:root {
    /* Primary: BERKAM Forest Green */
    --berkam-navy-950: #132B1F;
    --berkam-navy-900: #1C3D2E;
    --berkam-navy-800: #24513A;
    --berkam-navy-700: #2F6446;
    --berkam-navy-600: #4A7C59;
    --berkam-navy-500: #5F916B;
    --berkam-navy-400: #7AAA8A;
    --berkam-navy-300: #A2C0A7;
    --berkam-navy-200: #C9DCCB;
    --berkam-navy-100: #E1ECE1;
    --berkam-navy-50:  #F1F6F0;

    /* Accent: BERKAM Gold */
    --berkam-gold-700: #8B681F;
    --berkam-gold-600: #A67D2A;
    --berkam-gold-500: #C4993A;
    --berkam-gold-400: #D4AD5A;
    --berkam-gold-300: #E8C97A;
    --berkam-gold-200: #F0DCA8;
    --berkam-gold-100: #F5EDD8;
    --berkam-gold-50:  #FBF7ED;

    /* Neutral: Tailored Warm */
    --berkam-neutral-900: #1C1B18;
    --berkam-neutral-800: #3A3832;
    --berkam-neutral-700: #58554D;
    --berkam-neutral-600: #767268;
    --berkam-neutral-500: #948F83;
    --berkam-neutral-400: #B2ADA3;
    --berkam-neutral-300: #CFCBC3;
    --berkam-neutral-200: #E5E3DD;
    --berkam-neutral-100: #F3F1ED;
    --berkam-neutral-50:  #FAFAF7;

    /* Semantic */
    --berkam-success: #1B7A43;
    --berkam-warning: #C68B00;
    --berkam-error:   #BE3027;
    --berkam-info:    #2563A8;

    /* Legacy Map */
    --berkam-ink: var(--berkam-navy-950);
    --berkam-ink-soft: var(--berkam-neutral-700);
    --berkam-gold: var(--berkam-gold-500);
    --berkam-gold-deep: var(--berkam-gold-600);
    --berkam-mist: var(--berkam-neutral-50);
    --berkam-line: var(--berkam-neutral-300);
    --berkam-white: #ffffff;
    
    /* Spacing (8px) */
    --berkam-space-xs: 8px;
    --berkam-space-sm: 16px;
    --berkam-space-md: 24px;
    --berkam-space-lg: 32px;
    --berkam-space-xl: 48px;
    --berkam-space-2xl: 64px;

    /* Radii */
    --berkam-radius-sm: 4px;
    --berkam-radius-md: 8px;
    --berkam-radius-lg: 16px;
    --berkam-radius-pill: 9999px;
    --berkam-radius: var(--berkam-radius-lg);

    /* Shadows */
    --berkam-shadow-soft: 0 4px 12px rgba(11, 21, 33, 0.05);
    --berkam-shadow-card: 0 8px 24px rgba(11, 21, 33, 0.08);
    --berkam-shadow-hover: 0 16px 32px rgba(11, 21, 33, 0.12);
    --berkam-shadow-modal: 0 24px 48px rgba(11, 21, 33, 0.2);
    --berkam-shadow: var(--berkam-shadow-card);

    --berkam-max: 1200px;
    --berkam-transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Typography */
    --berkam-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --berkam-display: "Cormorant Garamond", Georgia, "Playfair Display", "Noto Serif SC", serif;
    
    /* Font Sizes Responsive clamp */
    --berkam-text-xs: clamp(0.75rem, 1vw, 0.875rem);
    --berkam-text-sm: clamp(0.875rem, 1.2vw, 1rem);
    --berkam-text-base: clamp(1rem, 1.5vw, 1.125rem);
    --berkam-text-lg: clamp(1.125rem, 2vw, 1.25rem);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--berkam-ink);
    background: linear-gradient(180deg, #f8f5f0 0%, #ffffff 18%, #f6f1ea 100%);
    font-family: var(--berkam-body);
    line-height: 1.7;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

.berkam-container {
    width: min(calc(100% - 32px), var(--berkam-max));
    margin: 0 auto;
}

.berkam-main {
    min-height: 65vh;
}

.berkam-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: var(--berkam-ink);
    border-bottom: 1px solid rgba(196, 162, 101, 0.15);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
    transition: var(--berkam-transition);
}

.berkam-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 80px;
}

.berkam-logo-link {
    display: inline-flex;
    align-items: center;
}

.berkam-logo-img {
    width: auto;
    height: 48px;
}

.berkam-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.berkam-menu {
    list-style: none;
    display: flex;
    gap: 28px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.berkam-menu a {
    color: rgba(255, 255, 255, 0.84);
    font-size: 14px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    position: relative;
    transition: var(--berkam-transition);
}

.berkam-menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 1px;
    background: var(--berkam-gold);
    transform: scaleX(0);
    transform-origin: left center;
    transition: var(--berkam-transition);
}

.berkam-menu a:hover,
.berkam-menu .current-menu-item > a,
.berkam-menu .current_page_item > a {
    color: var(--berkam-white);
}

.berkam-menu a:hover::after,
.berkam-menu .current-menu-item > a::after,
.berkam-menu .current_page_item > a::after {
    transform: scaleX(1);
}

/* NOTE: 产品目录下拉子菜单样式 */
.berkam-menu-parent {
    position: relative;
}

.berkam-submenu {
    list-style: none;
    margin: 0;
    padding: 12px 0;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 200px;
    background: rgba(12, 22, 37, 0.96);
    backdrop-filter: blur(16px);
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 100;
}

.berkam-menu-parent:hover > .berkam-submenu {
    opacity: 1;
    visibility: visible;
}

.berkam-submenu li {
    padding: 0;
}

.berkam-submenu a {
    display: block;
    padding: 8px 20px;
    font-size: 13px;
    text-transform: none;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.berkam-submenu a:hover {
    background: rgba(196, 162, 101, 0.12);
}

.berkam-submenu a::after {
    display: none;
}

.berkam-header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.berkam-lang-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 54px;
    height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1;
    white-space: nowrap;
    word-break: keep-all;
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    transition: var(--berkam-transition);
}

.berkam-lang-chip:hover {
    background: rgba(255, 255, 255, 0.08);
}

.berkam-header-link {
    color: rgba(255, 255, 255, 0.74);
    font-size: 13px;
    white-space: nowrap;
}

.berkam-menu-toggle {
    display: none;
    border: 0;
    background: transparent;
    padding: 0;
    width: 36px;
    height: 36px;
    cursor: pointer;
}

.berkam-menu-toggle span {
    display: block;
    height: 2px;
    border-radius: 999px;
    background: var(--berkam-white);
    margin: 7px 0;
}

.berkam-eyebrow {
    margin: 0 0 14px;
    color: var(--berkam-gold);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 12px;
    font-weight: 700;
}

.berkam-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 18px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 13px;
    letter-spacing: 0.04em;
}

.berkam-breadcrumbs a:hover {
    color: var(--berkam-white);
}

.berkam-breadcrumb-sep {
    opacity: 0.5;
}

.berkam-hero,
.berkam-page-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    min-height: 78vh;
    display: flex;
    align-items: center;
}

.berkam-page-hero {
    min-height: 52vh;
}

.berkam-page-hero--compact {
    min-height: 44vh;
}

.berkam-hero-media,
.berkam-page-hero-media {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.03);
}

.berkam-hero-overlay,
.berkam-page-hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 18% 18%, rgba(195, 161, 98, 0.32), transparent 32%),
        linear-gradient(120deg, rgba(20, 35, 54, 0.92), rgba(26, 46, 71, 0.62) 48%, rgba(26, 46, 71, 0.86));
}

.berkam-hero-content,
.berkam-page-hero-content {
    position: relative;
    color: var(--berkam-white);
    padding: 120px 0 100px;
    max-width: 720px;
}

.berkam-hero-title,
.berkam-page-hero-content h1 {
    font-family: var(--berkam-display);
    font-size: clamp(3rem, 6vw, 5.6rem);
    line-height: 0.92;
    font-weight: 600;
    letter-spacing: -0.04em;
    margin: 0 0 22px;
}

.berkam-page-hero-content h1 {
    font-size: clamp(2.8rem, 5vw, 4.8rem);
}

.berkam-hero-text,
.berkam-page-lede {
    font-size: 18px;
    max-width: 620px;
    color: rgba(255, 255, 255, 0.78);
    margin: 0;
}

.berkam-hero-actions,
.berkam-cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 32px;
}

.berkam-btn-primary,
.berkam-btn-outline,
.berkam-btn-white {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 24px;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition: var(--berkam-transition);
}

.berkam-btn-primary {
    background: linear-gradient(135deg, var(--berkam-gold) 0%, #E8C97A 100%);
    color: var(--berkam-white);
    border: none;
    box-shadow: 0 8px 24px rgba(196, 162, 101, 0.25);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.berkam-btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.25) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    transition: 0.75s;
    z-index: -1;
    opacity: 0;
}

.berkam-btn-primary:hover::before {
    left: 125%;
    opacity: 1;
}

.berkam-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(196, 162, 101, 0.4);
    background: linear-gradient(135deg, #E8C97A 0%, var(--berkam-gold) 100%);
}

.berkam-btn-primary--mini {
    min-height: 42px;
    padding: 0 18px;
    font-size: 14px;
}

.berkam-btn-outline {
    color: var(--berkam-white);
    border: 2px solid rgba(255, 255, 255, 0.6);
    background: transparent;
    transition: var(--berkam-transition);
}

.berkam-btn-outline:hover {
    border-color: var(--berkam-gold);
    color: var(--berkam-gold);
    background: rgba(196, 162, 101, 0.05);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(196, 162, 101, 0.15);
}

.berkam-btn-outline--dark {
    color: var(--berkam-ink);
    border: 2px solid rgba(10, 22, 40, 0.18);
    background: transparent;
    transition: var(--berkam-transition);
}

.berkam-btn-outline--dark:hover {
    border-color: var(--berkam-gold);
    color: var(--berkam-gold);
    background: rgba(196, 162, 101, 0.05);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(196, 162, 101, 0.1);
}

.berkam-btn-white {
    background: var(--berkam-white);
    color: var(--berkam-ink);
    box-shadow: var(--berkam-shadow-soft);
    transition: var(--berkam-transition);
}

.berkam-btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(10, 22, 40, 0.15);
}

.berkam-stats {
    position: relative;
    z-index: 2;
    margin-top: -48px;
    padding-bottom: 22px;
}

.berkam-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.berkam-stat-item {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(195, 161, 98, 0.22);
    box-shadow: var(--berkam-shadow-soft);
    border-radius: var(--berkam-radius);
    padding: 24px;
    text-align: center;
}

.berkam-stat-number {
    font-family: var(--berkam-display);
    font-size: clamp(2.2rem, 3.4vw, 3rem);
    color: var(--berkam-ink);
}

.berkam-stat-label {
    color: var(--berkam-ink-soft);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.berkam-section {
    padding: 92px 0;
}

.berkam-section-light {
    background: linear-gradient(180deg, rgba(246, 241, 232, 0.7), rgba(255, 255, 255, 0.95));
}

.berkam-section-dark {
    background: linear-gradient(160deg, #1C3D2E 0%, #132B1F 100%);
    color: var(--berkam-white);
}

.berkam-section-gradient {
    background:
        radial-gradient(circle at top left, rgba(195, 161, 98, 0.22), transparent 32%),
        linear-gradient(140deg, #1C3D2E 0%, #24513A 100%);
    color: var(--berkam-white);
}

.berkam-section-heading {
    display: flex;
    justify-content: space-between;
    gap: 32px;
    align-items: end;
    margin-bottom: 34px;
}

.berkam-section-heading h2,
.berkam-rich-section h2,
.berkam-inline-cta h2,
.berkam-contact-card h2,
.berkam-footer-title {
    font-family: var(--berkam-display);
    font-weight: 600;
    font-size: clamp(2.1rem, 4vw, 3.4rem);
    line-height: 0.98;
    margin: 0;
    letter-spacing: -0.03em;
}

.berkam-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

/* NOTE: 9 个产品卡片时的第二行 3+3+3 完美适配 */

.berkam-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.berkam-gallery-item {
    margin: 0;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(12, 22, 37, 0.08);
    box-shadow: var(--berkam-shadow-soft);
    background: rgba(255, 255, 255, 0.95);
}

.berkam-gallery-item img {
    width: 100%;
    height: 100%;
    min-height: 260px;
    object-fit: cover;
    display: block;
}

.berkam-industry-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.berkam-industry-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 241, 232, 0.9));
    border: 1px solid rgba(12, 22, 37, 0.08);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--berkam-shadow-soft);
    transition: var(--berkam-transition);
}

.berkam-industry-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--berkam-shadow);
}

.berkam-industry-card h3 {
    margin: 0 0 10px;
    font-size: 24px;
    line-height: 1.1;
}

.berkam-industry-card p {
    margin: 0 0 16px;
    color: var(--berkam-ink-soft);
}

.berkam-product-card {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid rgba(12, 22, 37, 0.06);
    box-shadow: var(--berkam-shadow-soft);
    transition: var(--berkam-transition);
}

.berkam-product-card:hover,
.berkam-journal-card:hover,
.berkam-archive-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(10, 22, 40, 0.15);
    border-color: rgba(196, 162, 101, 0.35);
}

.berkam-card-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.berkam-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.berkam-product-card:hover .berkam-card-image img,
.berkam-journal-card:hover .berkam-journal-cover img,
.berkam-archive-card:hover .berkam-archive-card-media img {
    transform: scale(1.05);
}

.berkam-card-content {
    padding: 24px;
}

.berkam-card-title {
    font-size: 24px;
    margin: 0 0 10px;
}

.berkam-card-desc {
    margin: 0 0 18px;
    color: var(--berkam-ink-soft);
}

.berkam-card-link {
    color: var(--berkam-gold-deep);
    font-weight: 700;
    position: relative;
    display: inline-block;
    transition: var(--berkam-transition);
}

.berkam-card-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1.5px;
    background-color: var(--berkam-gold-deep);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.berkam-product-card:hover .berkam-card-link::after,
.berkam-industry-card:hover .berkam-card-link::after,
.berkam-journal-card:hover .berkam-card-link::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.berkam-timeline {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 18px;
}

.berkam-timeline-step {
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(12, 22, 37, 0.08);
    padding: 22px 16px 18px;
    border-radius: var(--berkam-radius);
    box-shadow: var(--berkam-shadow-soft);
}

.berkam-timeline-icon {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(196, 162, 101, 0.44);
    background: rgba(196, 162, 101, 0.12);
    color: var(--berkam-gold-deep);
    font-weight: 700;
    margin-bottom: 14px;
    transition: var(--berkam-transition);
    animation: goldPulse 3s infinite ease-in-out;
}

@keyframes goldPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(196, 162, 101, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(196, 162, 101, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(196, 162, 101, 0);
    }
}

.berkam-timeline-title {
    font-weight: 700;
    margin-bottom: 6px;
}

.berkam-timeline-desc {
    color: var(--berkam-ink-soft);
    font-size: 14px;
}

.berkam-split {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 36px;
    align-items: center;
}

.berkam-split-media img {
    width: 100%;
    min-height: 520px;
    object-fit: cover;
    border-radius: 26px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.28);
}

.berkam-split-copy p {
    color: rgba(255, 255, 255, 0.76);
}

.berkam-mini-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 28px 0 30px;
}

.berkam-mini-metrics div {
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    padding-top: 14px;
}

.berkam-mini-metrics strong {
    display: block;
    font-family: var(--berkam-display);
    font-size: 34px;
    color: var(--berkam-gold);
}

.berkam-mini-metrics span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.berkam-journal-grid,
.berkam-archive-grid {
    display: grid;
    gap: 24px;
}

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

.berkam-journal-card,
.berkam-archive-card {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid rgba(12, 22, 37, 0.06);
    box-shadow: var(--berkam-shadow-soft);
    transition: var(--berkam-transition);
}

.berkam-journal-cover,
.berkam-archive-card-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

.berkam-journal-cover img,
.berkam-archive-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.berkam-journal-category {
    position: absolute;
    top: 18px;
    left: 18px;
    background: rgba(12, 22, 37, 0.82);
    color: var(--berkam-white);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.berkam-journal-body,
.berkam-archive-card-body {
    padding: 24px;
}

.berkam-journal-title,
.berkam-archive-card-body h2 {
    margin: 0 0 10px;
    font-size: 24px;
    line-height: 1.15;
}

.berkam-journal-excerpt,
.berkam-archive-card-body p {
    color: var(--berkam-ink-soft);
    margin: 0;
}

.berkam-journal-meta {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(12, 22, 37, 0.08);
}

.berkam-journal-readmore,
.berkam-archive-kicker {
    color: var(--berkam-gold-deep);
    font-weight: 700;
}

.berkam-cta-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 28px;
    padding: 38px;
}

.berkam-page-body,
.berkam-article-body,
.berkam-journal-article {
    padding: 60px 0 96px;
}

.berkam-rich-section {
    margin-bottom: 48px;
}

.berkam-rich-section p,
.berkam-inline-cta p,
.berkam-contact-card p,
.berkam-article-body p,
.berkam-journal-content p,
.berkam-page-body p,
.berkam-page-body li {
    color: var(--berkam-ink-soft);
    font-size: 17px;
}

.berkam-rich-list {
    margin: 18px 0 0;
    padding-left: 20px;
}

.berkam-rich-list--numbered {
    list-style: decimal;
}

.berkam-table-wrap {
    overflow-x: auto;
    border-radius: 18px;
    border: 1px solid rgba(12, 22, 37, 0.08);
}

.berkam-data-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.92);
}

.berkam-data-table th,
.berkam-data-table td {
    text-align: left;
    padding: 16px 18px;
    border-bottom: 1px solid rgba(12, 22, 37, 0.06);
    font-size: 15px;
}

.berkam-data-table th {
    background: rgba(12, 22, 37, 0.04);
    color: var(--berkam-ink);
    font-weight: 700;
}

.berkam-check-grid,
.berkam-process-list,
.berkam-milestones,
.berkam-contact-grid {
    display: grid;
    gap: 18px;
}

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

.berkam-check-grid div,
.berkam-process-list article,
.berkam-milestones article,
.berkam-contact-card {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(12, 22, 37, 0.08);
    border-radius: 20px;
    padding: 22px;
    box-shadow: var(--berkam-shadow-soft);
}

.berkam-process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.berkam-process-list h3,
.berkam-milestones h3 {
    margin: 0 0 8px;
}

.berkam-inline-cta {
    margin-top: 18px;
    background: linear-gradient(140deg, rgba(12, 22, 37, 0.95), rgba(26, 41, 64, 0.9));
    border-radius: 28px;
    padding: 36px;
    color: var(--berkam-white);
}

.berkam-inline-cta p {
    color: rgba(255, 255, 255, 0.74);
}

.berkam-faq-stack {
    display: grid;
    gap: 14px;
}

.berkam-faq-item {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(12, 22, 37, 0.08);
}

.berkam-faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 24px;
    border: 0;
    background: transparent;
    font-weight: 700;
    color: var(--berkam-ink);
    cursor: pointer;
}

.berkam-faq-answer {
    display: none;
    padding: 0 24px 20px;
}

.berkam-faq-item.is-open .berkam-faq-answer {
    display: block;
}

.berkam-contact-grid {
    grid-template-columns: 0.95fr 1.05fr;
}

.berkam-contact-card {
    height: 100%;
}

.berkam-contact-list {
    list-style: none;
    padding: 0;
    margin: 22px 0 28px;
    display: grid;
    gap: 16px;
}

.berkam-contact-list li {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid rgba(12, 22, 37, 0.08);
    padding-bottom: 12px;
}

.berkam-contact-list span:last-child,
.berkam-contact-list strong {
    max-width: 58%;
    text-align: right;
}

.berkam-quote-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.berkam-quote-form label {
    display: grid;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
}

.berkam-quote-form input,
.berkam-quote-form select,
.berkam-quote-form textarea {
    width: 100%;
    border: 1px solid rgba(12, 22, 37, 0.12);
    border-radius: 14px;
    padding: 13px 14px;
    background: rgba(255, 255, 255, 0.96);
}

.berkam-form-full {
    grid-column: 1 / -1;
}

.berkam-form-message {
    border-radius: 14px;
    padding: 12px 14px;
    margin-bottom: 16px;
}

.berkam-form-message--success {
    background: rgba(24, 125, 74, 0.1);
    color: #0e6d41;
}

.berkam-form-message--error {
    background: rgba(176, 53, 32, 0.1);
    color: #8c2618;
}

.berkam-archive-grid {
    padding: 70px 0 96px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.berkam-archive-grid--compact {
    padding: 8px 0 0;
}

.berkam-pagination {
    margin-top: 30px;
}

.berkam-article-body,
.berkam-journal-content {
    max-width: 820px;
}

.berkam-author-card {
    margin: 0 0 28px;
    padding: 22px 24px;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(195, 161, 98, 0.08), rgba(255, 255, 255, 0.9));
    border: 1px solid rgba(12, 22, 37, 0.08);
    box-shadow: var(--berkam-shadow-soft);
}

.berkam-author-card h2 {
    margin: 0 0 8px;
    font-family: var(--berkam-display);
    font-size: 32px;
    line-height: 1;
}

.berkam-article-body h2,
.berkam-journal-content h2,
.berkam-article-body h3,
.berkam-journal-content h3 {
    font-family: var(--berkam-display);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.berkam-footer {
    background: #1C3D2E;
    color: rgba(255, 255, 255, 0.72);
    padding: 72px 0 28px;
}

.berkam-footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.9fr 0.9fr;
    gap: 36px;
}

.berkam-footer-kicker {
    color: var(--berkam-gold);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 12px;
}

.berkam-footer-copy {
    max-width: 520px;
}

.berkam-footer-heading {
    color: var(--berkam-white);
    margin-top: 0;
}

.berkam-footer-list,
.berkam-footer .berkam-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.berkam-footer-bottom {
    margin-top: 42px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    gap: 20px;
    font-size: 13px;
}

.berkam-whatsapp-float {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 40;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0 18px;
    height: 56px;
    border-radius: 999px;
    background: #25d366;
    color: var(--berkam-white);
    box-shadow: 0 16px 30px rgba(37, 211, 102, 0.34);
    font-weight: 700;
}

.berkam-whatsapp-float svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.berkam-fade-in,
.berkam-fade-in-left,
.berkam-fade-in-right {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.berkam-fade-in-left {
    transform: translateX(-32px);
}

.berkam-fade-in-right {
    transform: translateX(32px);
}

.berkam-fade-in.visible,
.berkam-fade-in-left.visible,
.berkam-fade-in-right.visible {
    opacity: 1;
    transform: none;
}

@media (max-width: 1100px) {
    .berkam-menu {
        gap: 18px;
    }

    .berkam-header-link {
        display: none;
    }

    .berkam-card-grid,
    .berkam-gallery-grid,
    .berkam-journal-grid,
    .berkam-check-grid,
    .berkam-industry-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

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

@media (max-width: 820px) {
    .berkam-nav {
        position: fixed;
        inset: 80px 0 auto 0;
        background: var(--berkam-ink);
        padding: 18px 16px 28px;
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: var(--berkam-transition);
    }

    body.berkam-nav-open .berkam-nav {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .berkam-menu {
        flex-direction: column;
        align-items: flex-start;
    }

    /* NOTE: 移动端子菜单内联展开，取消悬停交互 */
    .berkam-submenu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: transparent;
        backdrop-filter: none;
        box-shadow: none;
        border-radius: 0;
        padding: 4px 0 8px 16px;
        min-width: 0;
    }

    .berkam-submenu a {
        padding: 6px 0;
        font-size: 13px;
    }

    .berkam-menu-toggle {
        display: inline-block;
    }

    .berkam-btn-primary--mini {
        display: none;
    }

    .berkam-stats-bar,
    .berkam-card-grid,
    .berkam-gallery-grid,
    .berkam-journal-grid,
    .berkam-check-grid,
    .berkam-industry-grid,
    .berkam-process-list,
    .berkam-archive-grid,
    .berkam-timeline,
    .berkam-quote-form {
        grid-template-columns: 1fr;
    }

    .berkam-hero-content,
    .berkam-page-hero-content {
        padding: 110px 0 70px;
    }

    .berkam-cta-panel,
    .berkam-section-heading,
    .berkam-footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .berkam-whatsapp-float span {
        display: none;
    }

    .berkam-whatsapp-float {
        width: 56px;
        height: 56px;
        padding: 0;
        justify-content: center;
    }
}

/* iOS 输入框安全尺寸，防止聚焦时页面自动放大 */
@media screen and (max-width: 767px) {
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* 全局表单输入聚焦金色边框呼吸效果 */
input:focus,
textarea:focus,
select:focus {
    border-color: var(--berkam-gold) !important;
    box-shadow: 0 0 0 3px rgba(196, 162, 101, 0.25) !important;
    outline: none !important;
    transition: var(--berkam-transition) !important;
}

/* 答案先行 / Answer-first quick-facts summary (SEO/GEO) */
.berkam-answer-summary {
    margin: 0 0 44px;
    padding: 26px 28px;
    background: var(--berkam-mist);
    border: 1px solid var(--berkam-line);
    border-left: 4px solid var(--berkam-gold);
    border-radius: var(--berkam-radius);
    box-shadow: var(--berkam-shadow-soft);
}

.berkam-answer-summary h2 {
    margin: 0 0 16px;
    font-size: 20px;
}

.berkam-answer-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 32px;
    margin: 0;
}

.berkam-answer-row {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(12, 22, 37, 0.08);
}

.berkam-answer-row dt {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--berkam-gold-deep);
}

.berkam-answer-row dd {
    margin: 0;
    font-size: 16px;
    color: var(--berkam-ink);
    line-height: 1.5;
}

/* 项目条件门禁：将价格、MOQ、交期和面料供应明确为逐单确认。 */
.berkam-project-terms {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin: -24px 0 44px;
    padding: 20px 24px;
    color: var(--berkam-ink);
    background: #fffaf0;
    border: 1px solid rgba(196, 162, 101, 0.48);
    border-radius: var(--berkam-radius);
}

.berkam-project-terms p {
    margin: 5px 0 0;
    max-width: 760px;
    font-size: 15px;
}

.berkam-project-terms-label {
    color: var(--berkam-gold-deep);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.berkam-capability-list strong {
    font-size: 15px !important;
    letter-spacing: 0.06em;
}

.berkam-footer-heading--spaced {
    margin-top: 26px;
}

@media (max-width: 720px) {
    .berkam-project-terms {
        align-items: flex-start;
        flex-direction: column;
        margin-top: -18px;
    }

    .berkam-header-project {
        display: none;
    }
}

/* 相关产品与行业方案 / Internal-linking topic cluster */
.berkam-related {
    margin: 8px 0 48px;
    padding-top: 40px;
    border-top: 1px solid var(--berkam-line);
}

.berkam-related-heading {
    margin: 0 0 22px;
    font-size: 24px;
}

.berkam-related-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.berkam-related-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px;
    background: var(--berkam-white);
    border: 1px solid rgba(12, 22, 37, 0.08);
    border-radius: var(--berkam-radius-sm);
    box-shadow: var(--berkam-shadow-soft);
    text-decoration: none;
    transition: var(--berkam-transition);
}

.berkam-related-card:hover {
    transform: translateY(-4px);
    border-color: var(--berkam-gold);
    box-shadow: var(--berkam-shadow);
}

.berkam-related-kicker {
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--berkam-gold-deep);
}

.berkam-related-title {
    font-family: var(--berkam-display);
    font-size: 20px;
    line-height: 1.25;
    color: var(--berkam-ink);
}

.berkam-related-arrow {
    margin-top: auto;
    color: var(--berkam-gold);
    font-size: 18px;
}

@media (max-width: 900px) {
    .berkam-related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .berkam-answer-grid,
    .berkam-related-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Global & Accessibility Additions
   ========================================================================== */

/* Selection & Focus */
::selection {
    background-color: var(--berkam-gold-300);
    color: var(--berkam-navy-950);
}

:focus-visible {
    outline: 2px solid var(--berkam-gold-500);
    outline-offset: 2px;
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Breakpoints Configuration */
/* 640px / 1024px / 1280px / 1536px */
@media (min-width: 640px) { /* sm */ }
@media (min-width: 1024px) { /* lg */ }
@media (min-width: 1280px) { /* xl */ }
@media (min-width: 1536px) { /* 2xl */ }

/* ==========================================================================
   New Components
   ========================================================================== */

/* Buttons */
.berkam-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--berkam-radius-pill);
    font-weight: 700;
    transition: var(--berkam-transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.berkam-btn--sm {
    min-height: 40px;
    padding: 0 var(--berkam-space-sm);
    font-size: var(--berkam-text-sm);
}

.berkam-btn--lg {
    min-height: 56px;
    padding: 0 var(--berkam-space-lg);
    font-size: var(--berkam-text-lg);
}

.berkam-btn--primary {
    background: linear-gradient(135deg, var(--berkam-gold-500) 0%, var(--berkam-gold-400) 100%);
    color: var(--berkam-white);
    box-shadow: 0 8px 24px rgba(196, 150, 46, 0.25);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.berkam-btn--primary::after {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    transition: var(--berkam-transition);
    z-index: -1;
}

.berkam-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(196, 150, 46, 0.4);
}

.berkam-btn--primary:hover::after {
    animation: goldSweep 1s ease-in-out;
}

@keyframes goldSweep {
    0% { left: -100%; }
    100% { left: 200%; }
}

.berkam-btn--secondary {
    border-color: var(--berkam-navy-800);
    color: var(--berkam-navy-800);
    background: transparent;
}

.berkam-btn--secondary:hover {
    background: var(--berkam-navy-800);
    color: var(--berkam-white);
    box-shadow: var(--berkam-shadow-hover);
}

.berkam-btn--ghost {
    background: transparent;
    color: var(--berkam-navy-700);
}

.berkam-btn--ghost:hover {
    background: var(--berkam-navy-50);
}

/* Card */
.berkam-card {
    background: var(--berkam-white);
    border-radius: var(--berkam-radius-lg);
    border: 1px solid var(--berkam-neutral-200);
    box-shadow: var(--berkam-shadow-soft);
    transition: var(--berkam-transition);
    overflow: hidden;
}

.berkam-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--berkam-shadow-hover);
}

.berkam-card img {
    transition: transform 0.5s ease;
}

.berkam-card:hover img {
    transform: scale(1.05);
}

/* Badge */
.berkam-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--berkam-radius-sm);
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    border: 1px solid var(--berkam-neutral-200);
    color: var(--berkam-navy-800);
}

/* Stepper */
.berkam-stepper {
    display: flex;
    align-items: center;
    gap: var(--berkam-space-sm);
    width: 100%;
}

.berkam-stepper-item {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    flex: 1;
}

.berkam-stepper-item::after {
    content: '';
    flex: 1;
    height: 2px;
    background: var(--berkam-neutral-300);
    margin-left: 8px;
    transition: background 0.5s ease;
}

.berkam-stepper-item:last-child::after {
    display: none;
}

.berkam-stepper-item.is-active .berkam-stepper-icon {
    background: var(--berkam-gold-500);
    color: var(--berkam-white);
    border-color: var(--berkam-gold-500);
}

.berkam-stepper-item.is-completed .berkam-stepper-icon {
    background: var(--berkam-navy-800);
    color: var(--berkam-white);
    border-color: var(--berkam-navy-800);
}

.berkam-stepper-item.is-completed::after {
    background: var(--berkam-navy-800);
}

.berkam-stepper-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--berkam-neutral-400);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: var(--berkam-neutral-600);
    transition: var(--berkam-transition);
}

/* Filter Chip */
.berkam-filter-chip {
    display: inline-block;
    padding: 8px 18px;
    border: 1px solid var(--berkam-neutral-300);
    border-radius: var(--berkam-radius-pill);
    background: var(--berkam-white);
    color: var(--berkam-neutral-700);
    font-size: 14px;
    cursor: pointer;
    transition: var(--berkam-transition);
}

.berkam-filter-chip:hover, .berkam-filter-chip.is-active {
    background: var(--berkam-navy-800);
    color: var(--berkam-white);
    border-color: var(--berkam-navy-800);
}

/* Skeleton */
.berkam-skeleton {
    background: linear-gradient(90deg, var(--berkam-neutral-100) 25%, var(--berkam-neutral-200) 50%, var(--berkam-neutral-100) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--berkam-radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Toast */
.berkam-toast {
    position: fixed;
    bottom: var(--berkam-space-md);
    right: var(--berkam-space-md);
    background: var(--berkam-navy-900);
    color: var(--berkam-white);
    padding: 16px 24px;
    border-radius: var(--berkam-radius-md);
    box-shadow: var(--berkam-shadow-modal);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 9999;
}

.berkam-toast.is-visible {
    transform: translateY(0);
    opacity: 1;
}

/* Back to Top */
.berkam-back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--berkam-navy-800);
    color: var(--berkam-white);
    border: none;
    box-shadow: var(--berkam-shadow-card);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--berkam-transition);
    z-index: 1000;
}

.berkam-back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.berkam-back-to-top:hover {
    background: var(--berkam-gold-500);
    transform: translateY(-4px);
}

.berkam-back-to-top svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}