/* ========================================
   BBIMS 部署架构模式（产品页通栏区块）
   ======================================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.deployment-modes {
    --deploy-mode-visual-height: clamp(168px, 11.5vw, 212px);
    position: relative;
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
    box-sizing: border-box;
    overflow-x: hidden;
    background-color: #0e1a32;
    background-image:
        radial-gradient(ellipse 80% 50% at 15% 0%, rgba(16, 176, 252, 0.18), transparent 55%),
        radial-gradient(ellipse 60% 45% at 90% 100%, rgba(34, 211, 238, 0.12), transparent 52%),
        linear-gradient(180deg, #121e38 0%, #0a1228 48%, #0e1a32 100%);
    border-top: 1px solid rgba(56, 189, 248, 0.2);
    border-bottom: 1px solid rgba(15, 52, 96, 0.5);
}

.deployment-modes__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    box-sizing: border-box;
}

.deployment-modes .heading-block-center {
    color: var(--color-text-on-dark-heading);
    margin-bottom: var(--spacing-sm);
}

.deployment-modes__kicker {
    margin: 0 0 10px;
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(125, 211, 252, 0.85);
}

.deployment-modes__lead {
    max-width: 46rem;
    margin: 0 auto var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-tagline);
    line-height: var(--leading-relaxed);
    color: rgba(226, 238, 255, 0.9);
}

.deployment-modes__badge {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    max-width: 52rem;
    margin: 0 auto var(--spacing-lg);
    padding: 16px 20px;
    border-radius: 12px;
    background: rgba(16, 176, 252, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.35);
    box-shadow: 0 0 24px rgba(16, 176, 252, 0.08);
    font-size: var(--font-size-body);
    line-height: var(--leading-relaxed);
    color: rgba(226, 242, 255, 0.92);
}

.deployment-modes__badge-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(16, 176, 252, 0.2);
    color: #7dd3fc;
}

.deployment-modes__badge-icon .ad-icon svg {
    width: 18px;
    height: 18px;
}

.deployment-modes__badge strong {
    color: #bae6fd;
    font-weight: 700;
}

.deployment-modes__row {
    display: grid;
    gap: var(--spacing-md);
}

.deployment-modes__row--hero {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: var(--spacing-md);
}

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

.deploy-mode-card--span-2 {
    grid-column: span 2;
}

/* 多应用横跨两列：图示居顶，正文与数据策略三列展示 */
.deploy-mode-card--multi-app.deploy-mode-card--span-2 {
    display: flex;
    flex-direction: column;
}

.deploy-mode-card--multi-app .deploy-mode-card__body {
    padding: 24px 24px 26px;
}

.deploy-mode-card--multi-app .deploy-mode-card__meta {
    margin-bottom: 12px;
}

.deploy-mode-card--multi-app .deploy-mode-card__title {
    margin-bottom: 10px;
}

.deploy-mode-card--multi-app .deploy-mode-card__scene {
    margin-bottom: 12px;
}

.deploy-mode-card--multi-app .deploy-mode-card__desc {
    margin-bottom: 20px;
}

.deploy-mode-card--multi-app.deploy-mode-card--span-2 .deploy-mode-card__db-modes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-sm) 22px;
    margin-bottom: 18px;
    padding: 18px 20px;
}

.deploy-mode-card--multi-app.deploy-mode-card--span-2 .deploy-mode-card__db-modes-title {
    grid-column: 1 / -1;
    margin-bottom: 16px;
}

.deploy-mode-card--multi-app.deploy-mode-card--span-2 .deploy-mode-card__db-mode {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
    padding-right: 22px;
    border-right: 1px solid rgba(56, 189, 248, 0.12);
}

.deploy-mode-card--multi-app .deploy-mode-card__db-mode-name {
    margin-bottom: 8px;
}

.deploy-mode-card--multi-app .deploy-mode-card__points {
    margin-top: 4px;
}

.deploy-mode-card--multi-app .deploy-mode-card__points li {
    margin-bottom: 10px;
}

.deploy-mode-card--multi-app.deploy-mode-card--span-2 .deploy-mode-card__db-mode:last-child {
    padding-right: 0;
    border-right: none;
}

.deploy-mode-card {
    display: flex;
    flex-direction: column;
    margin: 0;
    border-radius: 14px;
    border: 1px solid rgba(56, 189, 248, 0.22);
    background: linear-gradient(165deg, rgba(15, 28, 58, 0.95) 0%, rgba(8, 16, 36, 0.98) 100%);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.04) inset;
    overflow: hidden;
    transition:
        transform var(--transition-fast),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.deploy-mode-card:hover {
    transform: translateY(-4px);
    border-color: rgba(56, 189, 248, 0.45);
    box-shadow:
        0 16px 48px rgba(0, 0, 0, 0.4),
        0 0 28px rgba(16, 176, 252, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

.deploy-mode-card--hybrid {
    border-color: rgba(16, 176, 252, 0.4);
    background: linear-gradient(165deg, rgba(12, 40, 72, 0.98) 0%, rgba(8, 20, 48, 0.98) 100%);
}

.deploy-mode-visual {
    position: relative;
    height: var(--deploy-mode-visual-height);
    flex-shrink: 0;
    padding: 12px;
    background:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(180deg, rgba(15, 52, 96, 0.5) 0%, rgba(6, 14, 32, 0.8) 100%);
    background-size: 20px 20px, 20px 20px, 100% 100%;
    border-bottom: 1px solid rgba(56, 189, 248, 0.12);
}

.deploy-mode-visual svg {
    display: block;
    width: 100%;
    height: 100%;
}

.deploy-mode-visual svg text {
    font-family: system-ui, -apple-system, 'Source Han Sans CN', sans-serif;
}

.deploy-mode-card__body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px 20px 22px;
}

.deploy-mode-card__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.deploy-mode-card__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 26px;
    padding: 0 8px;
    font-size: var(--font-size-sm);
    font-weight: 800;
    letter-spacing: 0.06em;
    color: #0f172a;
    background: linear-gradient(145deg, #7dd3fc, #38bdf8);
    border-radius: 5px;
}

.deploy-mode-card__tag {
    font-size: var(--font-size-body);
    font-weight: 600;
    letter-spacing: 0.04em;
    color: rgba(125, 211, 252, 0.85);
}

.deploy-mode-card__title {
    margin: 0 0 8px;
    font-size: var(--font-size-subheading);
    font-weight: 700;
    line-height: var(--leading-snug);
    color: #f1f5f9;
}

.deploy-mode-card__scene {
    margin: 0 0 10px;
    font-size: var(--font-size-body);
    font-weight: 600;
    color: #67e8f9;
    line-height: var(--leading-normal);
}

.deploy-mode-card__desc {
    margin: 0 0 14px;
    font-size: var(--font-size-body);
    line-height: var(--leading-relaxed);
    color: rgba(203, 213, 225, 0.92);
}

.deploy-mode-card__points {
    margin: 0;
    padding: 0;
    list-style: none;
    margin-top: auto;
}

.deploy-mode-card__points li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
    font-size: var(--font-size-body);
    line-height: var(--leading-normal);
    color: rgba(203, 213, 225, 0.95);
}

.deploy-mode-card__points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #38bdf8;
    box-shadow: 0 0 6px rgba(56, 189, 248, 0.6);
}

.deploy-mode-card__points li:last-child {
    margin-bottom: 0;
}

/* 多应用模式：数据层策略子块（默认竖排，宽屏见 --span-2 三列规则） */
.deploy-mode-card__db-modes {
    margin: 0 0 14px;
    padding: 14px 16px;
    border-radius: 10px;
    background: rgba(16, 176, 252, 0.07);
    border: 1px solid rgba(56, 189, 248, 0.22);
}

.deploy-mode-card__db-modes-title {
    margin: 0 0 12px;
    font-size: var(--font-size-body);
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #bae6fd;
}

.deploy-mode-card__db-mode {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(56, 189, 248, 0.12);
}

.deploy-mode-card__db-mode:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.deploy-mode-card__db-mode-name {
    margin: 0 0 4px;
    font-size: var(--font-size-body);
    font-weight: 700;
    line-height: var(--leading-snug);
    color: #e2e8f0;
}

.deploy-mode-card__db-mode-desc {
    margin: 0;
    font-size: var(--font-size-body);
    line-height: var(--leading-relaxed);
    color: rgba(148, 163, 184, 0.98);
}

.deployment-modes__guide {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.deployment-modes__guide-eyebrow {
    margin: 0 0 10px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(125, 211, 252, 0.8);
}

.deployment-modes__guide-question {
    margin: 0 0 14px;
    font-size: var(--font-size-subheading);
    font-weight: 700;
    line-height: var(--leading-snug);
    color: var(--color-text-on-dark-heading);
}

.deployment-modes__guide-lead {
    max-width: 42rem;
    margin: 0 auto;
    font-size: var(--font-size-body);
    line-height: var(--leading-relaxed);
    color: rgba(203, 213, 225, 0.92);
}

.deployment-modes__guide-lead strong {
    color: #bae6fd;
    font-weight: 700;
}

.deployment-modes__matrix {
    margin-top: var(--spacing-md);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.deployment-modes__table {
    width: 100%;
    min-width: 560px;
    border-collapse: collapse;
    font-size: var(--font-size-body);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.deployment-modes__table th,
.deployment-modes__table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid rgba(56, 189, 248, 0.1);
}

.deployment-modes__table th {
    background: rgba(16, 176, 252, 0.15);
    color: #bae6fd;
    font-weight: 700;
}

.deployment-modes__table td {
    color: rgba(226, 232, 240, 0.9);
    background: rgba(8, 16, 36, 0.6);
}

.deployment-modes__table tr:last-child td {
    border-bottom: none;
}

.deployment-modes__cta {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.deployment-modes__cta .btn {
    margin: 0 8px 8px;
}

.feature-item p a {
    color: var(--color-primary-blue);
    font-weight: 600;
    text-decoration: none;
}

.feature-item p a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

@media (max-width: 992px) {
    .deployment-modes__row--hero,
    .deployment-modes__row--3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .deploy-mode-card--span-2 {
        grid-column: span 2;
    }

    .deploy-mode-card--multi-app.deploy-mode-card--span-2 .deploy-mode-card__db-modes {
        display: block;
        padding: 16px 18px;
    }

    .deploy-mode-card--multi-app.deploy-mode-card--span-2 .deploy-mode-card__db-mode {
        margin-bottom: 14px;
        padding-bottom: 14px;
        padding-right: 0;
        border-right: none;
        border-bottom: 1px solid rgba(56, 189, 248, 0.12);
    }

    .deploy-mode-card--multi-app.deploy-mode-card--span-2 .deploy-mode-card__db-mode:last-child {
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
    }
}

@media (max-width: 768px) {
    .deployment-modes {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .deployment-modes__row--hero,
    .deployment-modes__row--3 {
        grid-template-columns: 1fr;
    }

    .deploy-mode-card--span-2 {
        grid-column: span 1;
    }

    .deployment-modes__badge {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* 部署架构区块：子块依次 fade-in（避免与外层 section 叠双层动画） */
.deployment-modes__inner > .fade-in:nth-child(1) {
    transition-delay: 0s;
}

.deployment-modes__inner > .fade-in:nth-child(2) {
    transition-delay: 0.05s;
}

.deployment-modes__inner > .fade-in:nth-child(3) {
    transition-delay: 0.1s;
}

.deployment-modes__inner > .fade-in:nth-child(4) {
    transition-delay: 0.15s;
}

.deployment-modes__inner > .deployment-modes__guide.fade-in {
    transition-delay: 0.05s;
}

.deployment-modes__inner > .deployment-modes__matrix.fade-in {
    transition-delay: 0.1s;
}

.deployment-modes__inner > .deployment-modes__cta.fade-in {
    transition-delay: 0.15s;
}

.deployment-modes__row--hero .deploy-mode-card.fade-in:nth-child(1) {
    transition-delay: 0s;
}

.deployment-modes__row--hero .deploy-mode-card.fade-in:nth-child(2) {
    transition-delay: 0.08s;
}

.deployment-modes__row--3 .deploy-mode-card.fade-in:nth-child(1) {
    transition-delay: 0s;
}

.deployment-modes__row--3 .deploy-mode-card.fade-in:nth-child(2) {
    transition-delay: 0.06s;
}

.deployment-modes__row--3 .deploy-mode-card.fade-in:nth-child(3) {
    transition-delay: 0.12s;
}

@media (prefers-reduced-motion: reduce) {
    .deployment-modes .fade-in {
        transition-delay: 0s !important;
    }
}