/* ============================================================
 * 美鸥广测 - 全局样式
 * ============================================================ */

/* ── 重置与基础 ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-body-md);
    font-weight: var(--weight-normal);
    line-height: var(--leading-body);
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

/* ── 容器 ── */
.meiou-container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
}

/* ── 分区 (Section) ── */
.meiou-section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

.meiou-section--alt {
    background-color: var(--color-surface-container-lowest);
}

.meiou-section--dark {
    background-color: var(--color-deep-navy);
    color: #ffffff;
}

.meiou-section--primary {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

.meiou-section__header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.meiou-section__label {
    font-family: var(--font-mono);
    font-size: var(--text-label);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
    display: block;
}

.meiou-section__title {
    font-family: var(--font-headline);
    font-size: var(--text-headline-lg);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-headline);
    color: var(--color-on-surface);
    margin-bottom: var(--space-4);
}

.meiou-section--dark .meiou-section__title,
.meiou-section--primary .meiou-section__title {
    color: #ffffff;
}

.meiou-section__desc {
    font-size: var(--text-body-lg);
    color: var(--color-on-surface-variant);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--leading-relaxed);
}

.meiou-section--dark .meiou-section__desc,
.meiou-section--primary .meiou-section__desc {
    color: rgba(255, 255, 255, 0.7);
}

/* ── 按钮 ── */
.meiou-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-size: var(--text-button);
    font-weight: var(--weight-semibold);
    line-height: 1.25;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.meiou-btn--primary {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

.meiou-btn--primary:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-on-primary);
}

.meiou-btn--outline {
    background-color: transparent;
    border-color: var(--color-border-subtle);
    color: var(--color-on-surface);
}

.meiou-btn--outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.meiou-btn--white {
    background-color: #ffffff;
    color: var(--color-primary);
}

.meiou-btn--white:hover {
    background-color: var(--color-primary-light);
}

.meiou-btn--block {
    display: flex;
    width: 100%;
    justify-content: center;
}

.meiou-btn--lg {
    padding: 1rem 2rem;
    font-size: var(--text-body-md);
}

/* ── 卡片 ── */
.meiou-card {
    background: var(--color-surface-container-lowest);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.meiou-card--hover:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.meiou-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.meiou-card__title {
    font-family: var(--font-headline);
    font-size: var(--text-headline-sm);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-2);
}

.meiou-card__desc {
    font-size: var(--text-body-sm);
    color: var(--color-on-surface-variant);
    line-height: var(--leading-relaxed);
}

/* ── 统计数字 ── */
.meiou-stat {
    text-align: center;
}

.meiou-stat__number {
    font-family: var(--font-headline);
    font-size: 2.5rem;
    font-weight: var(--weight-bold);
    color: var(--color-primary);
    line-height: 1.1;
    display: block;
}

.meiou-stat__label {
    font-size: var(--text-body-sm);
    color: var(--color-on-surface-variant);
    margin-top: var(--space-1);
}

.meiou-section--dark .meiou-stat__number,
.meiou-section--primary .meiou-stat__number {
    color: #ffffff;
}

.meiou-section--dark .meiou-stat__label,
.meiou-section--primary .meiou-stat__label {
    color: rgba(255, 255, 255, 0.7);
}

/* ── 表格 ── */
.meiou-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-body-sm);
}

.meiou-table thead {
    background-color: var(--color-surface-container);
}

.meiou-table th {
    font-family: var(--font-mono);
    font-size: var(--text-label);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    padding: var(--space-3) var(--space-4);
    text-align: left;
    color: var(--color-on-surface-variant);
    border-bottom: 1px solid var(--color-border-subtle);
}

.meiou-table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border-subtle);
}

.meiou-table tbody tr:nth-child(even) {
    background-color: var(--color-surface-container-low);
}

.meiou-table tbody tr:hover {
    background-color: var(--color-surface-container);
}

/* ── 标签/Chip ── */
.meiou-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    font-size: var(--text-label);
    font-weight: var(--weight-medium);
    line-height: 1.5;
}

.meiou-chip--success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.meiou-chip--warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.meiou-chip--info {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

/* ── 表单输入 ── */
.meiou-input,
.meiou-select,
.meiou-textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: var(--text-body-md);
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius);
    background-color: var(--color-surface-container-lowest);
    color: var(--color-on-surface);
    transition: border-color var(--transition-fast);
    outline: none;
}

.meiou-input:focus,
.meiou-select:focus,
.meiou-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.1);
}

.meiou-textarea {
    min-height: 120px;
    resize: vertical;
}

.meiou-select--sm {
    width: auto;
    padding: 0.375rem 2rem 0.375rem 0.75rem;
    font-size: var(--text-body-sm);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%23737687' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    appearance: none;
    -webkit-appearance: none;
}

.meiou-form-group {
    margin-bottom: var(--space-4);
}

.meiou-form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-label);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    margin-bottom: var(--space-2);
    color: var(--color-on-surface);
}

.meiou-form-label .required {
    color: var(--color-error);
}

/* ── 网格系统 ── */
.meiou-grid {
    display: grid;
    gap: var(--space-6);
}

.meiou-grid--2 { grid-template-columns: repeat(2, 1fr); }
.meiou-grid--3 { grid-template-columns: repeat(3, 1fr); }
.meiou-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ── 主导航 ── */
.meiou-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-subtle);
    height: var(--header-height);
}

.meiou-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

/* Logo */
.meiou-header__logo {
    flex-shrink: 0;
}

.meiou-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-on-surface);
    text-decoration: none;
}

.meiou-logo__icon {
    color: var(--color-primary);
}

.meiou-logo__text strong {
    display: block;
    font-family: var(--font-headline);
    font-size: 1.125rem;
    font-weight: var(--weight-bold);
    line-height: 1.2;
}

.meiou-logo__text small {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: var(--tracking-label);
    color: var(--color-on-surface-variant);
}

/* 桌面导航 */
.meiou-nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.meiou-nav__list {
    display: flex;
    list-style: none;
    gap: var(--space-1);
}

.meiou-nav__list a {
    display: block;
    padding: var(--space-2) var(--space-4);
    color: var(--color-on-surface);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
}

.meiou-nav__list a:hover,
.meiou-nav__list .current-menu-item a {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.meiou-nav__cta {
    margin-left: var(--space-4);
}

/* 移动端切换按钮 */
.meiou-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.meiou-mobile-toggle__bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-on-surface);
    transition: all var(--transition-base);
}

/* 移动端面板 */
.meiou-mobile-panel {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-surface-container-lowest);
    border-bottom: 1px solid var(--color-border-subtle);
    padding: var(--space-4) 0;
    box-shadow: var(--shadow-md);
}

.meiou-mobile-panel.is-active {
    display: block;
}

.meiou-mobile-nav {
    list-style: none;
}

.meiou-mobile-nav a {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--text-body-md);
    font-weight: var(--weight-medium);
    color: var(--color-on-surface);
    border-bottom: 1px solid var(--color-border-subtle);
}

.meiou-mobile-panel__cta {
    margin-top: var(--space-4);
}

/* ── 默认页面容器 ── */
.meiou-page {
    padding-top: var(--space-10);
    padding-bottom: var(--space-16);
}

/* ── 底部 ── */
.meiou-footer {
    background-color: var(--color-deep-navy);
    color: rgba(255, 255, 255, 0.75);
}

.meiou-footer__main {
    padding: var(--space-16) 0 var(--space-10);
}

.meiou-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-10);
}

.meiou-footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.meiou-footer__logo .meiou-logo__text strong {
    color: #ffffff;
}

.meiou-footer__desc {
    font-size: var(--text-body-sm);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.meiou-footer__certs {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.meiou-cert-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.6);
}

.meiou-footer__heading {
    font-family: var(--font-headline);
    font-size: var(--text-body-md);
    font-weight: var(--weight-semibold);
    color: #ffffff;
    margin-bottom: var(--space-4);
}

.meiou-footer__links {
    list-style: none;
}

.meiou-footer__links li {
    margin-bottom: var(--space-2);
}

.meiou-footer__links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: var(--text-body-sm);
    transition: color var(--transition-fast);
}

.meiou-footer__links a:hover {
    color: #ffffff;
}

.meiou-footer__contact {
    list-style: none;
}

.meiou-footer__contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    font-size: var(--text-body-sm);
}

.meiou-footer__contact .material-symbols-outlined {
    color: var(--color-primary);
    flex-shrink: 0;
}

.meiou-footer__contact a {
    color: rgba(255, 255, 255, 0.75);
}

.meiou-footer__contact a:hover {
    color: #ffffff;
}

.meiou-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-4) 0;
}

.meiou-footer__bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.meiou-footer__copyright {
    font-size: var(--text-body-sm);
    color: rgba(255, 255, 255, 0.45);
}

.meiou-footer__copyright a {
    color: rgba(255, 255, 255, 0.45);
}

.meiou-footer__extra {
    display: flex;
    gap: var(--space-4);
}

.meiou-footer__extra a {
    font-size: var(--text-body-sm);
    color: rgba(255, 255, 255, 0.45);
}

.meiou-footer__extra a:hover {
    color: #ffffff;
}

/* ── Hero 区域 ── */
.meiou-hero {
    padding: var(--space-16) 0;
    background: var(--color-surface-container-lowest);
}

.meiou-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.meiou-hero__tagline {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-label);
    color: var(--color-primary);
    letter-spacing: var(--tracking-label);
    margin-bottom: var(--space-4);
}

.meiou-hero__title {
    font-family: var(--font-headline);
    font-size: var(--text-hero);
    font-weight: var(--weight-bold);
    line-height: var(--leading-hero);
    color: var(--color-on-surface);
    margin-bottom: var(--space-4);
}

.meiou-hero__desc {
    font-size: var(--text-body-lg);
    color: var(--color-on-surface-variant);
    line-height: var(--leading-relaxed);
    max-width: 520px;
    margin-bottom: var(--space-6);
}

.meiou-hero__actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
    flex-wrap: wrap;
}

.meiou-hero__stats {
    display: flex;
    gap: var(--space-10);
}

.meiou-hero__visual {
    position: relative;
}

.meiou-hero__image-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-surface-container));
}

.meiou-hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.meiou-hero__live-card {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--color-deep-navy);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-lg);
}

.meiou-hero__live-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-label);
    letter-spacing: var(--tracking-label);
    margin-bottom: var(--space-2);
}

.meiou-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    animation: meiou-pulse 2s infinite;
    display: inline-block;
}

@keyframes meiou-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.meiou-hero__live-count {
    font-size: var(--text-body-sm);
}

.meiou-hero__live-number {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    font-weight: var(--weight-bold);
    color: var(--color-success);
}

/* ── 服务卡片网格 ── */
.meiou-services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.meiou-service-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-subtle);
    background: var(--color-surface-container-lowest);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.meiou-service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.meiou-service-card__media {
    position: relative;
    background: var(--color-surface-container);
    overflow: hidden;
    aspect-ratio: 16/9;
}

.meiou-service-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.meiou-service-card__icon {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius);
}

.meiou-service-card__body {
    padding: var(--space-6);
}

.meiou-service-card__title {
    font-family: var(--font-headline);
    font-size: var(--text-headline-sm);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-2);
}

.meiou-service-card__desc {
    font-size: var(--text-body-sm);
    color: var(--color-on-surface-variant);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.meiou-service-card__list {
    list-style: none;
    margin-bottom: var(--space-4);
}

.meiou-service-card__list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-body-sm);
    padding: var(--space-1) 0;
    color: var(--color-on-surface);
}

.meiou-service-card__list .material-symbols-outlined {
    color: var(--color-success);
    font-size: 1rem;
}

.meiou-service-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-weight: var(--weight-medium);
    font-size: var(--text-body-sm);
    color: var(--color-primary);
}

.meiou-service-card__link:hover {
    color: var(--color-primary-hover);
}

/* ── 产品中心 Hero (Carbon Edition) ── */
.meiou-products-hero {
    padding: var(--space-16) 0 var(--space-12);
    background: var(--color-surface-container-lowest);
    text-align: center;
    border-bottom: 1px solid var(--color-border-subtle);
}

.meiou-products-hero__label {
    font-family: var(--font-body);
    font-size: var(--text-body-sm);
    color: var(--color-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
}

.meiou-products-hero__title {
    font-family: var(--font-headline);
    font-size: var(--text-hero);
    font-weight: var(--weight-bold);
    line-height: var(--leading-hero);
    color: var(--color-on-surface);
    margin-bottom: var(--space-3);
}

.meiou-products-hero__count {
    font-size: var(--text-body-md);
    color: var(--color-on-surface-variant);
}

/* ── 筛选栏 (Carbon Edition) ── */
.meiou-filter-bar {
    padding: var(--space-4) 0;
    background: var(--color-surface-container-lowest);
    border-bottom: 1px solid var(--color-border-subtle);
}

.meiou-filter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.meiou-filter__left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.meiou-filter__label {
    font-family: var(--font-body);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-on-surface-variant);
    white-space: nowrap;
}

.meiou-filter__buttons {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
}

.meiou-filter__btn {
    padding: 0.375rem 0.875rem;
    font-family: var(--font-body);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-normal);
    color: var(--color-on-surface);
    background: transparent;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.meiou-filter__btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.meiou-filter__btn.is-active {
    background: var(--color-primary);
    color: var(--color-on-primary);
    border-color: var(--color-primary);
}

.meiou-filter__btn--spot {
    border-color: var(--color-success);
    color: var(--color-success);
}

.meiou-filter__btn--spot.is-active {
    background: var(--color-success);
    color: #ffffff;
    border-color: var(--color-success);
}

.meiou-filter__right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.meiou-view-toggle {
    display: flex;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius);
    overflow: hidden;
}

.meiou-view-toggle__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 34px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-on-surface-variant);
    transition: all var(--transition-fast);
}

.meiou-view-toggle__btn:hover {
    background: var(--color-surface-container);
    color: var(--color-on-surface);
}

.meiou-view-toggle__btn.is-active {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.meiou-view-toggle__btn + .meiou-view-toggle__btn {
    border-left: 1px solid var(--color-border-subtle);
}

.meiou-view-toggle__btn.is-active + .meiou-view-toggle__btn {
    border-left-color: transparent;
}

.meiou-filter__sort .meiou-select {
    min-width: 160px;
    font-size: var(--text-body-sm);
}

/* ── 产品卡片网格 (Carbon Edition) ── */
.meiou-section--products {
    padding-top: var(--space-10);
    padding-bottom: var(--space-16);
    background: var(--color-surface);
}

.meiou-products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

/* ── 产品卡片 (Carbon Edition) ── */
.meiou-product-card {
    background: var(--color-surface-container-lowest);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}

.meiou-product-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.meiou-product-card__media {
    position: relative;
    background: var(--color-surface-container);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.meiou-product-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.meiou-product-card:hover .meiou-product-card__image {
    transform: scale(1.04);
}

.meiou-product-card__badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.625rem;
    font-weight: var(--weight-semibold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1.4;
}

.meiou-product-card__badge--new {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.meiou-product-card__badge--hot {
    background: var(--color-error);
    color: var(--color-on-error);
}

.meiou-product-card__body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.meiou-product-card__model {
    font-family: var(--font-body);
    font-size: var(--text-label);
    font-weight: var(--weight-medium);
    letter-spacing: 0.05em;
    color: var(--color-on-surface-variant);
    text-transform: uppercase;
    margin-bottom: var(--space-1);
}

.meiou-product-card__title {
    font-family: var(--font-headline);
    font-size: var(--text-headline-sm);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-headline);
    color: var(--color-on-surface);
    margin-bottom: var(--space-4);
}

.meiou-product-card__specs {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
    flex: 1;
}

.meiou-product-card__spec {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

.meiou-product-card__spec:last-child {
    border-bottom: none;
}

.meiou-product-card__spec-label {
    font-size: var(--text-body-sm);
    color: var(--color-on-surface-variant);
    flex-shrink: 0;
}

.meiou-product-card__spec-value {
    font-family: var(--font-body);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-on-surface);
    text-align: right;
}

.meiou-product-card__actions {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    margin-top: auto;
}

.meiou-product-card__actions .meiou-btn--outline {
    flex: 1;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: var(--text-body-sm);
}

.meiou-btn--icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius);
    background: transparent;
    color: var(--color-on-surface-variant);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.meiou-btn--icon:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

/* ── 分页 (Carbon Edition) ── */
.meiou-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-10);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-subtle);
}

.meiou-pagination__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius);
    background: var(--color-surface-container-lowest);
    color: var(--color-on-surface);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.meiou-pagination__btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.meiou-pagination__btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.meiou-pagination__pages {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
}

.meiou-pagination__current {
    font-size: var(--text-body-lg);
    font-weight: var(--weight-semibold);
    color: var(--color-on-surface);
}

.meiou-pagination__sep {
    font-size: var(--text-body-md);
    color: var(--color-on-surface-variant);
}

.meiou-pagination__total {
    font-size: var(--text-body-md);
    color: var(--color-on-surface-variant);
}

/* ── CTA 行动号召 ── */
.meiou-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.meiou-cta__inner {
    text-align: center;
    padding: var(--space-12) 0;
}

.meiou-cta__title {
    font-family: var(--font-headline);
    font-size: var(--text-headline-lg);
    font-weight: var(--weight-bold);
    color: #fff;
    margin-bottom: var(--space-3);
}

.meiou-cta__desc {
    font-size: var(--text-body-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-8);
}

.meiou-cta__actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* ── 页面头部（关于/联系等内页） ── */
.meiou-page-header {
    padding: var(--space-16) 0;
    background: var(--color-surface-container-lowest);
    text-align: center;
}

.meiou-page-header--contact {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
}

.meiou-page-header--contact .meiou-section__label {
    color: rgba(255, 255, 255, 0.8);
}

.meiou-page-header__title {
    font-family: var(--font-headline);
    font-size: var(--text-hero);
    font-weight: var(--weight-bold);
    line-height: var(--leading-hero);
    color: var(--color-on-surface);
    margin-bottom: var(--space-4);
}

.meiou-page-header--contact .meiou-page-header__title {
    color: #fff;
}

.meiou-page-header__desc {
    font-size: var(--text-body-lg);
    color: var(--color-on-surface-variant);
    max-width: 640px;
    margin: 0 auto;
    line-height: var(--leading-relaxed);
}

.meiou-page-header--contact .meiou-page-header__desc {
    color: rgba(255, 255, 255, 0.85);
}

/* ── 文章/法律页面内容区 ── */
.meiou-article {
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

.meiou-article__header {
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border-subtle);
}

/* 富文本内容通用排版 */
.meiou-content {
    font-size: var(--text-body-md);
    line-height: var(--leading-relaxed);
    color: var(--color-on-surface);
}

/* ── 标题层级 ── */
.meiou-content h2 {
    font-family: var(--font-headline);
    font-size: var(--text-headline-md);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-headline);
    color: var(--color-on-surface);
    margin-top: var(--space-12);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-primary-light);
}

.meiou-content h2:first-child {
    margin-top: 0;
}

.meiou-content h3 {
    font-family: var(--font-headline);
    font-size: var(--text-headline-sm);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-headline);
    color: var(--color-on-surface);
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
}

/* ── 段落 ── */
.meiou-content p {
    margin-bottom: var(--space-4);
    line-height: var(--leading-relaxed);
}

.meiou-content strong {
    font-weight: var(--weight-semibold);
    color: var(--color-on-surface);
}

/* ── 列表 ── */
.meiou-content ul,
.meiou-content ol {
    margin-bottom: var(--space-6);
    padding-left: var(--space-6);
}

.meiou-content ul {
    list-style: none;
}

.meiou-content ul li {
    position: relative;
    padding-left: var(--space-5);
    margin-bottom: var(--space-2);
    line-height: var(--leading-relaxed);
}

.meiou-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-primary);
}

.meiou-content ol li {
    margin-bottom: var(--space-2);
    line-height: var(--leading-relaxed);
    padding-left: var(--space-1);
}

/* 列表内嵌套段落 */
.meiou-content li p {
    margin-bottom: var(--space-2);
}

/* ── 链接 ── */
.meiou-content a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.meiou-content a:hover {
    color: var(--color-primary-hover);
    border-bottom-color: var(--color-primary-hover);
}

/* ── 引用块 ── */
.meiou-content blockquote {
    border-left: 4px solid var(--color-primary);
    background-color: var(--color-primary-light);
    margin: var(--space-6) 0;
    padding: var(--space-4) var(--space-6);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--color-on-surface-variant);
}

.meiou-content blockquote p:last-child {
    margin-bottom: 0;
}

/* ── 分割线 ── */
.meiou-content hr {
    border: none;
    border-top: 1px solid var(--color-border-subtle);
    margin: var(--space-8) 0;
}

/* 页面头部中的 label 样式修正 */
.meiou-page-header .meiou-section__label {
    margin-bottom: var(--space-2);
    display: block;
}

/* ── 关于页：企业简介 ── */
.meiou-about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.meiou-about-intro__visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.meiou-about-intro__image {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.meiou-about-intro__stats {
    display: flex;
    gap: var(--space-10);
    margin-top: var(--space-6);
}

/* ── 关于页：专业领域网格 ── */
.meiou-expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.meiou-expertise__number {
    font-family: var(--font-headline);
    font-size: 2rem;
    font-weight: var(--weight-bold);
    color: var(--color-primary);
    display: block;
    margin-bottom: var(--space-2);
}

/* ── 关于页：时间线 ── */
.meiou-timeline {
    position: relative;
    padding-left: var(--space-8);
}

.meiou-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border-subtle);
}

.meiou-timeline__item {
    position: relative;
    padding-bottom: var(--space-8);
}

.meiou-timeline__item:last-child {
    padding-bottom: 0;
}

.meiou-timeline__marker {
    position: absolute;
    left: calc(-1 * var(--space-8) - 5px);
    top: 0;
}

.meiou-timeline__marker::before {
    content: '';
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-surface-container-lowest);
}

.meiou-timeline__year {
    font-family: var(--font-headline);
    font-size: var(--text-headline-sm);
    font-weight: var(--weight-bold);
    color: var(--color-primary);
    display: block;
    margin-top: -4px;
    margin-left: var(--space-6);
}

.meiou-timeline__label {
    font-family: var(--font-mono);
    font-size: var(--text-label);
    color: var(--color-on-surface-variant);
    letter-spacing: var(--tracking-label);
    display: block;
    margin-left: var(--space-6);
    margin-top: -4px;
}

.meiou-timeline__content {
    margin-left: var(--space-6);
}

.meiou-timeline__title {
    font-family: var(--font-headline);
    font-size: var(--text-headline-sm);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-1);
}

.meiou-timeline__content p {
    font-size: var(--text-body-sm);
    color: var(--color-on-surface-variant);
    line-height: var(--leading-relaxed);
    max-width: 480px;
}

/* ── 联系页 ── */
.meiou-contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-10);
    align-items: start;
}

.meiou-contact__main {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.meiou-contact__sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.meiou-contact-info {
    background: var(--color-surface-container-lowest);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.meiou-contact-info__list {
    list-style: none;
    margin-top: var(--space-4);
}

.meiou-contact-info__item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

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

.meiou-contact-info__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--color-primary-light);
    color: var(--color-primary);
    flex-shrink: 0;
}

.meiou-contact-info__item strong {
    display: block;
    font-size: var(--text-body-md);
    margin-bottom: var(--space-1);
}

.meiou-contact-info__item a,
.meiou-contact-info__item span {
    font-size: var(--text-body-sm);
    color: var(--color-on-surface-variant);
}

.meiou-contact-info__item small {
    display: block;
    font-size: var(--text-label);
    color: var(--color-on-surface-variant);
    margin-top: var(--space-1);
}

.meiou-contact-form-wrapper {
    background: var(--color-surface-container-lowest);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.meiou-form__hint {
    font-size: var(--text-body-sm);
    color: var(--color-on-surface-variant);
    margin: var(--space-2) 0 var(--space-6);
}

.meiou-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.meiou-form-group--checkbox {
    margin-bottom: var(--space-6);
}

.meiou-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--text-body-sm);
}

.meiou-checkbox input {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
}

.meiou-checkbox__text a {
    color: var(--color-primary);
    text-decoration: underline;
}

.meiou-contact-assurance {
    background: var(--color-primary);
    color: #fff;
    border-color: transparent;
}

.meiou-contact-assurance .meiou-card__title {
    color: #fff;
}

.meiou-contact-assurance .meiou-card__desc {
    color: rgba(255, 255, 255, 0.85);
}

.meiou-contact-assurance__stats {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-4);
}

.meiou-contact-assurance .meiou-stat__number {
    color: #fff;
}

.meiou-contact-assurance .meiou-stat__label {
    color: rgba(255, 255, 255, 0.7);
}

.meiou-contact-map {
    padding: 0;
    overflow: hidden;
}

.meiou-map-placeholder {
    background: var(--color-surface-container);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.meiou-map-placeholder__inner {
    text-align: center;
    padding: var(--space-6);
    color: var(--color-on-surface-variant);
}

.meiou-map-placeholder__inner .material-symbols-outlined {
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.meiou-map-placeholder__hint {
    font-size: var(--text-label);
    margin-top: var(--space-2);
    opacity: 0.6;
}

/* ── 响应式 ── */
@media (max-width: 1024px) {
    .meiou-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .meiou-grid--3 { grid-template-columns: repeat(2, 1fr); }
    .meiou-hero__grid { grid-template-columns: 1fr; gap: var(--space-10); }
    .meiou-hero__visual { order: -1; }
    .meiou-services-grid { grid-template-columns: 1fr; }
    .meiou-about-intro { grid-template-columns: 1fr; gap: var(--space-8); }
    .meiou-about-intro__visual { order: -1; }
    .meiou-contact-grid { grid-template-columns: 1fr; }
    .meiou-expertise-grid { grid-template-columns: repeat(2, 1fr); }
    .meiou-footer__grid { grid-template-columns: repeat(2, 1fr); }
    .meiou-products-grid { grid-template-columns: repeat(2, 1fr); }
    .meiou-filter { flex-direction: column; align-items: flex-start; }
    .meiou-filter__right { width: 100%; justify-content: flex-end; }
    .meiou-products-hero__title { font-size: var(--text-headline-lg); }
}

@media (max-width: 768px) {
    :root {
        --margin-desktop: var(--margin-mobile);
    }

    .meiou-section {
        padding-top: var(--space-10);
        padding-bottom: var(--space-10);
    }

    .meiou-page {
        padding-top: var(--space-6);
        padding-bottom: var(--space-10);
    }

    .meiou-hero__title,
    .meiou-page-header__title {
        font-size: var(--text-hero-mobile);
    }

    .meiou-content h2 {
        font-size: var(--text-headline-sm);
        margin-top: var(--space-8);
        margin-bottom: var(--space-4);
    }

    .meiou-content h3 {
        font-size: var(--text-body-lg);
        margin-top: var(--space-6);
    }

    .meiou-content ul,
    .meiou-content ol {
        padding-left: var(--space-4);
    }

    .meiou-nav { display: none; }
    .meiou-mobile-toggle { display: flex; }

    .meiou-grid--2,
    .meiou-grid--3,
    .meiou-grid--4 {
        grid-template-columns: 1fr;
    }

    .meiou-hero__stats {
        flex-wrap: wrap;
        gap: var(--space-6);
    }

    .meiou-hero__live-card {
        position: static;
        margin-top: var(--space-4);
    }

    .meiou-services-grid { grid-template-columns: 1fr; }
    .meiou-expertise-grid { grid-template-columns: 1fr; }
    .meiou-about-intro { grid-template-columns: 1fr; }
    .meiou-about-intro__stats { flex-wrap: wrap; gap: var(--space-6); }
    .meiou-contact-grid { grid-template-columns: 1fr; }
    .meiou-form-row { grid-template-columns: 1fr; }
    .meiou-timeline { padding-left: var(--space-6); }
    .meiou-timeline__marker { left: calc(-1 * var(--space-6) - 5px); }

    .meiou-footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .meiou-footer__bottom-inner {
        flex-direction: column;
        text-align: center;
    }

    .meiou-section__title {
        font-size: var(--text-headline-md);
    }

    .meiou-stat__number {
        font-size: 2rem;
    }

    .meiou-products-grid { grid-template-columns: 1fr; }
    .meiou-filter { flex-direction: column; align-items: stretch; }
    .meiou-filter__left { flex-direction: column; align-items: flex-start; }
    .meiou-filter__right { width: 100%; justify-content: space-between; }
    .meiou-filter__buttons { width: 100%; }
    .meiou-filter__btn { flex: 1; text-align: center; }
    .meiou-products-hero__title { font-size: var(--text-hero-mobile); }
    .meiou-products-hero { padding: var(--space-10) 0 var(--space-8); }
    .meiou-pagination { gap: var(--space-3); margin-top: var(--space-8); }
}