/* ====================================
 * 通用板块与组件
 * ==================================== */
.section {
    position: relative;
    padding: calc(var(--spacing-xl) + 40px) 0;
    overflow: hidden;
}

.section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(0, 200, 150, 0.08), transparent 55%);
    pointer-events: none;
}

.section--light {
    background: rgba(232, 233, 234, 0.05);
}

.section-header {
    position: relative;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: var(--font-weight-bold);
}

.section-title::after {
    content: '';
    display: inline-block;
    width: 64px;
    height: 4px;
    border-radius: var(--border-radius-full);
    background: linear-gradient(90deg, rgba(0, 200, 150, 0.8), rgba(10, 37, 64, 0.2));
}

.section-subtitle {
    margin-top: var(--spacing-sm);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text-secondary);
}

/* 按钮 */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--border-radius-full);
    font-weight: var(--font-weight-semi);
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid transparent;
    transition: border 0.3s ease, opacity 0.3s ease;
    opacity: 0;
}

.btn-primary {
    background: linear-gradient(135deg, rgba(0, 200, 150, 0.95), rgba(10, 37, 64, 0.95));
    color: var(--color-white);
    box-shadow: 0 18px 32px rgba(0, 200, 150, 0.25);
}

.btn-primary::after {
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-secondary {
    background: rgba(232, 233, 234, 0.08);
    color: var(--color-text-primary);
    box-shadow: 0 12px 24px rgba(8, 20, 34, 0.45);
}

.btn-secondary::after {
    border-color: rgba(0, 200, 150, 0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn:hover {
    transform: translateY(-4px);
}

.btn:hover::after {
    opacity: 1;
}

/* 玻璃卡片 */
.card {
    position: relative;
    background: linear-gradient(180deg, rgba(20, 35, 56, 0.82), rgba(10, 18, 34, 0.82));
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-card);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    backdrop-filter: blur(12px);
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: calc(var(--border-radius-md) - 1px);
    border: 1px solid rgba(232, 233, 234, 0.08);
    pointer-events: none;
}

.card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-floating);
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.card-text {
    color: rgba(226, 232, 240, 0.72);
    font-size: 0.95rem;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: rgba(148, 163, 184, 0.75);
}

/* 英雄区 */
.hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 86px;
    overflow: hidden;
}

.hero__video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    filter: saturate(0.85) brightness(0.8);
    opacity: 0.85;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(10, 16, 28, 0.95) 12%, rgba(10, 37, 64, 0.78) 58%, rgba(0, 200, 150, 0.28));
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 880px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hero__tagline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 18px;
    border-radius: var(--border-radius-full);
    background: rgba(0, 200, 150, 0.16);
    border: 1px solid rgba(0, 200, 150, 0.35);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.hero__actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero__metrics {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.metric-tile {
    min-width: 180px;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: rgba(13, 24, 42, 0.7);
    border: 1px solid rgba(0, 200, 150, 0.12);
    box-shadow: var(--shadow-soft);
    text-align: left;
}

.metric-value {
    font-size: 2.1rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

.metric-label {
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(203, 213, 225, 0.7);
}

/* 子页面英雄区 */
.page-hero {
    position: relative;
    padding: 180px 0 120px;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 26, 42, 0.95), rgba(0, 200, 150, 0.26));
    z-index: 1;
}

.page-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.45);
    transform: scale(1.1);
}

.page-hero__content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.page-hero__breadcrumbs {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    color: rgba(226, 232, 240, 0.72);
    margin-bottom: var(--spacing-xs);
}

.page-hero__title {
    font-size: clamp(2.2rem, 4vw, 2.8rem);
    margin-bottom: var(--spacing-sm);
}

.page-hero__summary {
    max-width: 620px;
    color: rgba(241, 245, 249, 0.8);
}

/* 悬浮产品卡片 */
.floating-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.floating-card {
    position: relative;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    background: linear-gradient(180deg, rgba(17, 35, 57, 0.9), rgba(10, 20, 34, 0.9));
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transform: translateY(0);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.floating-card:hover {
    transform: translateY(-18px);
    box-shadow: var(--shadow-floating);
}

.floating-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(0, 200, 150, 0.2), transparent 65%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.floating-card:hover::before {
    opacity: 1;
}

.floating-card img {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 18px;
    margin-bottom: var(--spacing-sm);
}

.floating-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
}

.floating-card p {
    color: rgba(214, 226, 240, 0.7);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

/* 数据仪表盘 */
.data-dashboard {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: var(--spacing-lg);
}

.data-widget {
    position: relative;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: rgba(12, 24, 42, 0.9);
    border: 1px solid rgba(0, 200, 150, 0.18);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.data-widget::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(0, 200, 150, 0.14), transparent 60%);
    pointer-events: none;
}

.data-widget__label {
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(203, 213, 225, 0.6);
}

.data-widget__value {
    margin-top: var(--spacing-xs);
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

.data-widget__trend {
    margin-top: var(--spacing-xs);
    font-size: 0.82rem;
    color: var(--color-accent);
}

/* 3D案例轮播 */
.case-carousel {
    position: relative;
    perspective: 1400px;
    margin-top: var(--spacing-xl);
}

.case-carousel__track {
    position: relative;
    width: 100%;
    height: 360px;
    transform-style: preserve-3d;
    transition: transform 1s ease;
}

.case-card {
    position: absolute;
    top: 0;
    left: 50%;
    width: min(420px, 40%);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: rgba(17, 35, 57, 0.88);
    border: 1px solid rgba(232, 233, 234, 0.08);
    backdrop-filter: blur(12px);
    transform-style: preserve-3d;
    box-shadow: var(--shadow-soft);
}

.case-card h4 {
    margin-bottom: var(--spacing-xs);
}

.case-card__tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--border-radius-full);
    background: rgba(0, 200, 150, 0.18);
    color: var(--color-white);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.carousel-button {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(15, 27, 43, 0.9);
    border: 1px solid rgba(0, 200, 150, 0.22);
    color: var(--color-text-primary);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: transform 0.3s ease, background 0.3s ease;
}

.carousel-button:hover {
    transform: translateY(-4px);
    background: rgba(0, 200, 150, 0.28);
}

/* 时间轴 */
.timeline {
    position: relative;
    padding-left: 36px;
    border-left: 2px dashed rgba(0, 200, 150, 0.2);
    display: grid;
    gap: var(--spacing-lg);
}

.timeline-item {
    position: relative;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: rgba(17, 35, 57, 0.85);
    border: 1px solid rgba(232, 233, 234, 0.08);
    box-shadow: var(--shadow-soft);
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 24px;
    left: -44px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid rgba(0, 200, 150, 0.6);
    background: rgba(12, 23, 40, 0.95);
}

.timeline-year {
    font-size: 1.4rem;
    font-weight: var(--font-weight-semi);
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

/* 蜂巢价值观 */
.hex-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
    justify-items: center;
    margin-top: var(--spacing-lg);
}

.hex {
    position: relative;
    width: 180px;
    height: 208px;
    background: rgba(0, 200, 150, 0.12);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-sm);
    border: 1px solid rgba(0, 200, 150, 0.28);
    transition: transform 0.4s ease, background 0.4s ease;
}

.hex:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(0, 200, 150, 0.25);
}

.hex strong {
    display: block;
    font-size: 1.05rem;
    color: var(--color-white);
    margin-bottom: 6px;
}

.hex span {
    font-size: 0.85rem;
    color: rgba(226, 232, 240, 0.72);
}

/* 资质认证墙 */
.badge-wall {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.badge-card {
    background: rgba(17, 35, 57, 0.88);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(232, 233, 234, 0.12);
    padding: var(--spacing-sm);
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.badge-card img {
    width: 100%;
    height: 120px;
    object-fit: contain;
    margin-bottom: var(--spacing-xs);
}

.badge-card span {
    font-size: 0.9rem;
    color: rgba(226, 232, 240, 0.82);
}

/* 团队卡片 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.team-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
}

.team-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    filter: grayscale(20%);
    transition: transform 0.4s ease, filter 0.4s ease;
}

.team-card:hover img {
    transform: scale(1.08);
    filter: grayscale(0%);
}

.team-card__info {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent, rgba(9, 18, 34, 0.86));
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: var(--color-white);
}

/* 数据矩阵 */
.matrix {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.matrix__item {
    background: rgba(17, 35, 57, 0.88);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    border: 1px solid rgba(232, 233, 234, 0.08);
}

.matrix__item h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.matrix__meta {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: rgba(203, 213, 225, 0.65);
}

/* FAQ / 知识库 */
.accordion {
    display: grid;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.accordion-item {
    background: rgba(17, 35, 57, 0.88);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(232, 233, 234, 0.08);
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.accordion-body {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.accordion-item.active .accordion-body {
    padding-bottom: var(--spacing-sm);
}

/* 表单 */
.form {
    display: grid;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    gap: var(--spacing-sm);
}

.form-row--double {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.form label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

.form input,
.form select,
.form textarea {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(232, 233, 234, 0.12);
    background: rgba(13, 24, 42, 0.85);
    color: var(--color-text-primary);
    outline: none;
    transition: border 0.3s ease, box-shadow 0.3s ease;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
    border-color: rgba(0, 200, 150, 0.4);
    box-shadow: 0 0 0 4px rgba(0, 200, 150, 0.12);
}

.form textarea {
    min-height: 150px;
    resize: vertical;
}

/* 统计与布局 */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: rgba(17, 35, 57, 0.88);
    border: 1px solid rgba(232, 233, 234, 0.1);
    text-align: left;
}

.stat-card__value {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

.stat-card__label {
    margin-top: var(--spacing-xs);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: rgba(203, 213, 225, 0.6);
}

.split-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    align-items: center;
}

.feature-list {
    display: grid;
    gap: var(--spacing-sm);
}

.feature-list li {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    color: rgba(226, 232, 240, 0.75);
}

.feature-list li::before {
    content: '';
    width: 10px;
    height: 10px;
    margin-top: 8px;
    border-radius: 50%;
    background: rgba(0, 200, 150, 0.6);
    flex-shrink: 0;
}

.media-frame {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(232, 233, 234, 0.08);
}

.media-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(0, 200, 150, 0.16), transparent 60%);
    pointer-events: none;
}

/* 产品与解决方案扩展组件 */
.model-viewer {
    position: relative;
    width: 100%;
    min-height: 360px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: radial-gradient(circle at 20% 20%, rgba(0, 200, 150, 0.18), rgba(10, 24, 44, 0.95));
    border: 1px solid rgba(232, 233, 234, 0.12);
    box-shadow: var(--shadow-card);
}

.model-viewer__canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.model-viewer__overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(0, 200, 150, 0.08), transparent 60%);
}

.step-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    position: relative;
}

.step-card {
    position: relative;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: rgba(17, 35, 57, 0.88);
    border: 1px solid rgba(232, 233, 234, 0.08);
    box-shadow: var(--shadow-soft);
}

.step-card::before {
    content: attr(data-step);
    position: absolute;
    top: 18px;
    left: 18px;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(148, 163, 184, 0.7);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    background: rgba(17, 35, 57, 0.92);
}

.comparison-table th,
.comparison-table td {
    padding: 18px;
    border: 1px solid rgba(232, 233, 234, 0.06);
    color: rgba(226, 232, 240, 0.82);
    text-align: left;
    font-size: 0.95rem;
}

.comparison-table th {
    background: rgba(0, 200, 150, 0.15);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.pill-tabs {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 6px;
    border-radius: var(--border-radius-full);
    background: rgba(17, 31, 54, 0.85);
    border: 1px solid rgba(232, 233, 234, 0.08);
}

.pill-tabs button {
    padding: 10px 18px;
    border-radius: var(--border-radius-full);
    color: rgba(226, 232, 240, 0.7);
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease;
    font-size: 0.9rem;
}

.pill-tabs button.is-active {
    background: rgba(0, 200, 150, 0.25);
    color: var(--color-white);
    box-shadow: 0 10px 24px rgba(0, 200, 150, 0.18);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.case-grid__item {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(232, 233, 234, 0.08);
}

.case-grid__item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.case-grid__content {
    padding: var(--spacing-md);
    background: rgba(12, 24, 42, 0.92);
}

.badge-list {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-top: var(--spacing-xs);
}

.badge-list span {
    padding: 4px 10px;
    border-radius: var(--border-radius-full);
    background: rgba(0, 200, 150, 0.16);
    color: rgba(226, 232, 240, 0.85);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

@media (max-width: 768px) {
    .page-hero {
        padding: 140px 0 90px;
    }
}

/* 响应式 */
@media (max-width: 768px) {
    .hero {
        min-height: 76vh;
        padding-top: 72px;
    }

    .hero__metrics {
        gap: var(--spacing-sm);
    }

    .case-carousel__track {
        height: 420px;
    }

    .case-card {
        width: 80%;
        left: 10%;
    }
}