/* 小紫云计算 · 全栈产品生态专题页 */
:root {
    --xz-bg: #f4f7fc;
    --xz-surface: #ffffff;
    --xz-text: #1e293b;
    --xz-muted: #64748b;
    --xz-border: rgba(148, 163, 184, 0.22);
    --xz-brand: #6366f1;
    --xz-accent: #ff6b9d;
    --xz-accent-2: #f5576c;
    --xz-iaas: #06b6d4;
    --xz-paas: #8b5cf6;
    --xz-saas: #ec4899;
    --xz-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
    --xz-radius: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--xz-bg);
    color: var(--xz-text);
    min-height: 100vh;
    line-height: 1.6;
}

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

/* 顶部导航 */
.xz-page-top {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--xz-border);
}

.xz-page-top__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.xz-page-top__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 700;
    color: var(--xz-brand);
}

.xz-page-top__brand-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.xz-page-top__back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--xz-muted);
    border: 1px solid var(--xz-border);
    background: #fff;
    transition: all 0.2s ease;
}

.xz-page-top__back:hover {
    color: var(--xz-brand);
    border-color: rgba(99, 102, 241, 0.35);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.12);
}

/* Hero */
.xz-hero {
    position: relative;
    overflow: hidden;
    padding: 56px 24px 72px;
    text-align: center;
}

.xz-hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99, 102, 241, 0.18) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 90% 20%, rgba(255, 107, 157, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse 40% 35% at 10% 60%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, #eef2ff 0%, var(--xz-bg) 100%);
    pointer-events: none;
}

.xz-hero__cloud {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.65);
    filter: blur(1px);
    animation: xz-float 8s ease-in-out infinite;
}

.xz-hero__cloud--1 { width: 120px; height: 48px; top: 18%; left: 8%; animation-delay: 0s; }
.xz-hero__cloud--2 { width: 90px; height: 36px; top: 28%; right: 12%; animation-delay: -3s; }
.xz-hero__cloud--3 { width: 70px; height: 28px; bottom: 20%; left: 18%; animation-delay: -5s; }

@keyframes xz-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.xz-hero__content {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
}

.xz-hero__badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--xz-brand);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.22);
    margin-bottom: 20px;
}

.xz-hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #1e293b 0%, #6366f1 50%, #ec4899 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.xz-hero__lead {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    color: var(--xz-muted);
    line-height: 1.75;
    max-width: 620px;
    margin: 0 auto 32px;
}

.xz-hero__stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.xz-hero__stat {
    padding: 10px 20px;
    border-radius: 12px;
    background: var(--xz-surface);
    border: 1px solid var(--xz-border);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
    font-size: 13px;
    font-weight: 600;
    color: var(--xz-text);
}

.xz-hero__stat strong {
    color: var(--xz-brand);
    margin-right: 4px;
}

/* 架构示意 */
.xz-arch {
    max-width: 1200px;
    margin: -24px auto 48px;
    padding: 0 24px;
}

.xz-arch__diagram {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    background: var(--xz-surface);
    border-radius: var(--xz-radius);
    border: 1px solid var(--xz-border);
    box-shadow: var(--xz-shadow);
    overflow: hidden;
}

.xz-arch__step {
    flex: 1;
    padding: 24px 20px;
    text-align: center;
    position: relative;
    border-right: 1px solid var(--xz-border);
}

.xz-arch__step:last-child { border-right: none; }

.xz-arch__step::after {
    content: '›';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    font-size: 18px;
    font-weight: 700;
    color: #cbd5e1;
    z-index: 2;
    background: var(--xz-surface);
    line-height: 16px;
}

.xz-arch__step:last-child::after { display: none; }

.xz-arch__label {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.xz-arch__step--iaas .xz-arch__label { color: var(--xz-iaas); background: rgba(6, 182, 212, 0.12); }
.xz-arch__step--paas .xz-arch__label { color: var(--xz-paas); background: rgba(139, 92, 246, 0.12); }
.xz-arch__step--saas .xz-arch__label { color: var(--xz-saas); background: rgba(236, 72, 153, 0.12); }

.xz-arch__name {
    font-size: 15px;
    font-weight: 700;
    color: var(--xz-text);
    margin-bottom: 4px;
}

.xz-arch__desc {
    font-size: 12px;
    color: var(--xz-muted);
    line-height: 1.5;
}

/* 产品区块 */
.xz-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

.xz-layer {
    margin-bottom: 48px;
}

.xz-layer__head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.xz-layer__tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 14px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.xz-layer--iaas .xz-layer__tag { color: var(--xz-iaas); background: rgba(6, 182, 212, 0.1); border: 1px solid rgba(6, 182, 212, 0.25); }
.xz-layer--paas .xz-layer__tag { color: var(--xz-paas); background: rgba(139, 92, 246, 0.1); border: 1px solid rgba(139, 92, 246, 0.25); }
.xz-layer--saas .xz-layer__tag { color: var(--xz-saas); background: rgba(236, 72, 153, 0.1); border: 1px solid rgba(236, 72, 153, 0.25); }

.xz-layer__title {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 800;
    color: var(--xz-text);
    margin-bottom: 6px;
}

.xz-layer__subtitle {
    font-size: 14px;
    color: var(--xz-muted);
    max-width: 520px;
    line-height: 1.65;
}

.xz-layer__count {
    font-size: 13px;
    font-weight: 600;
    color: var(--xz-muted);
    padding: 8px 14px;
    border-radius: 10px;
    background: rgba(148, 163, 184, 0.1);
}

/* 产品卡片网格 */
.xz-products {
    display: grid;
    gap: 16px;
}

.xz-products--single {
    grid-template-columns: minmax(0, 420px);
}

.xz-products--multi {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.xz-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 22px;
    background: var(--xz-surface);
    border-radius: 16px;
    border: 1px solid var(--xz-border);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    position: relative;
    overflow: hidden;
}

.xz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.xz-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.1);
    border-color: transparent;
}

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

.xz-card--cloud::before { background: linear-gradient(90deg, #6366f1, #818cf8); }
.xz-card--mysql::before { background: linear-gradient(90deg, #0284c7, #38bdf8); }
.xz-card--redis::before { background: linear-gradient(90deg, #dc2626, #f87171); }
.xz-card--rocketmq::before { background: linear-gradient(90deg, #ea580c, #fb923c); }
.xz-card--mongodb::before { background: linear-gradient(90deg, #059669, #34d399); }
.xz-card--fastdfs::before { background: linear-gradient(90deg, #0891b2, #22d3ee); }
.xz-card--code::before { background: linear-gradient(90deg, #ec4899, #ff6b9d); }

.xz-card__icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.xz-card--cloud .xz-card__icon { background: linear-gradient(135deg, #6366f1, #818cf8); color: #fff; }
.xz-card--mysql .xz-card__icon { background: linear-gradient(135deg, #0284c7, #38bdf8); color: #fff; }
.xz-card--redis .xz-card__icon { background: linear-gradient(135deg, #dc2626, #f87171); color: #fff; }
.xz-card--rocketmq .xz-card__icon { background: linear-gradient(135deg, #ea580c, #fb923c); color: #fff; }
.xz-card--mongodb .xz-card__icon { background: linear-gradient(135deg, #059669, #34d399); color: #fff; }
.xz-card--fastdfs .xz-card__icon { background: linear-gradient(135deg, #0891b2, #22d3ee); color: #fff; }
.xz-card--code .xz-card__icon { background: linear-gradient(135deg, #ec4899, #ff6b9d); color: #fff; }

.xz-card__body { flex: 1; min-width: 0; }

.xz-card__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--xz-text);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.xz-card__title svg {
    opacity: 0;
    transform: translateX(-4px);
    transition: all 0.25s ease;
    color: var(--xz-brand);
}

.xz-card:hover .xz-card__title svg {
    opacity: 1;
    transform: translateX(0);
}

.xz-card__desc {
    font-size: 13px;
    color: var(--xz-muted);
    line-height: 1.6;
    margin-bottom: 12px;
}

.xz-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.xz-card__tag {
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--xz-muted);
    background: rgba(148, 163, 184, 0.12);
}

/* CTA 横幅 */
.xz-cta-banner {
    margin-top: 16px;
    padding: 36px 32px;
    border-radius: var(--xz-radius);
    background: linear-gradient(135deg, #312e81 0%, #4c1d95 45%, #831843 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    box-shadow: 0 20px 50px rgba(49, 46, 129, 0.3);
}

.xz-cta-banner__text h3 {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.xz-cta-banner__text p {
    font-size: 14px;
    opacity: 0.88;
    line-height: 1.65;
    max-width: 480px;
}

.xz-cta-banner__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--xz-accent), var(--xz-accent-2));
    box-shadow: 0 8px 24px rgba(255, 107, 157, 0.45);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    white-space: nowrap;
}

.xz-cta-banner__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 107, 157, 0.55);
    color: #fff;
}

/* 页脚 */
.xz-page-footer {
    text-align: center;
    padding: 32px 24px 48px;
    font-size: 13px;
    color: var(--xz-muted);
    border-top: 1px solid var(--xz-border);
    background: var(--xz-surface);
}

.xz-page-footer a {
    color: var(--xz-brand);
    font-weight: 600;
}

.xz-page-footer a:hover { color: var(--xz-accent); }

/* 响应式 */
@media (max-width: 768px) {
    .xz-arch__diagram {
        flex-direction: column;
    }

    .xz-arch__step {
        border-right: none;
        border-bottom: 1px solid var(--xz-border);
    }

    .xz-arch__step::after { display: none; }

    .xz-arch__step:last-child { border-bottom: none; }

    .xz-layer__head {
        flex-direction: column;
        align-items: flex-start;
    }

    .xz-cta-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: 28px 22px;
    }

    .xz-cta-banner__btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .xz-hero { padding: 40px 18px 56px; }
    .xz-main { padding: 0 18px 60px; }
    .xz-arch { padding: 0 18px; }
    .xz-card { padding: 18px; }
}