:root {
    --cn-hero-bg:
        linear-gradient(90deg,
            rgba(255, 255, 255, 0.20) 0%,
            rgba(255, 255, 255, 0.10) 24%,
            rgba(255, 255, 255, 0.00) 46%),
        radial-gradient(1200px 520px at 85% 10%, rgba(32, 107, 196, .12), transparent 60%),
        radial-gradient(900px 420px at 5% 5%, rgba(66, 153, 225, .10), transparent 55%),
        linear-gradient(180deg, #f8fbff 0%, #ffffff 58%, #f6f8fb 100%);
    --cn-section-muted: #f6f8fb;
    --cn-border-soft: rgba(98, 105, 118, .12);
    --cn-shadow: 0 20px 80px rgba(32, 41, 57, .08);
    --tblr-stroke-color-primary: rgba(15, 23, 42, 0.12);
    --tblr-stroke-color-secondary: rgba(15, 23, 42, 0.06);
}

html {
    scroll-behavior: smooth;
    background: #fff;
    -webkit-text-size-adjust: 100%;
    overflow-x: clip;
}

/* ── 自定义滚动条：强制 Safari/Chrome 进入 overlay 模式 ── */
/* 一旦定义了 ::-webkit-scrollbar，WebKit 引擎会放弃系统原生滚动条，
       改用覆盖式（overlay）渲染，滚动条不再占用布局空间 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, .12);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, .22);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, .12) transparent;
}

body {
    margin: 0;
    font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #182433;
    background: #fff;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.container,
.container-sm,
.container-md,
.container-lg,
.container-xl,
.container-xxl {
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 1200px) {

    .container,
    .container-sm,
    .container-md,
    .container-lg,
    .container-xl,
    .container-xxl {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background: transparent;
    border-bottom: 1px solid transparent;
    box-shadow: none;
    transition: background-color .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.site-header .navbar {
    min-height: 5.5rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
    background: transparent;
    box-shadow: none;
}

.site-header .nav-link {
    font-weight: 500;
    color: #314152;
    padding-left: .95rem;
    padding-right: .95rem;
}

.site-header .navbar-toggler {
    border-color: rgba(98, 105, 118, .16);
}

body.header-scrolled .site-header {
    background: rgba(255, 255, 255, .96);
    border-bottom-color: rgba(98, 105, 118, .12);
    box-shadow: 0 10px 30px rgba(32, 41, 57, .08);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

body.header-scrolled .site-header .navbar {
    background: transparent;
}

.navbar-brand-wordmark {
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    font-weight: 800;
    letter-spacing: .01em;
    color: inherit;
    text-decoration: none;
}

.navbar-brand-wordmark:hover {
    text-decoration: none;
}

.brand-mark {
    width: 3.25rem;
    height: 3.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: .75rem;
    overflow: hidden;
    /* box-shadow: 0 8px 24px rgba(32, 107, 196, .18); */
    flex: 0 0 auto;
    padding: 5px;
}

.brand-mark img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero {
    background: var(--cn-hero-bg);
    position: relative;
    overflow: visible;
    padding-top: 6.75rem;
    isolation: isolate;
}

.hero .display-4,
.hero .display-5 {
    line-height: 1.08;
    letter-spacing: -.03em;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    border: 1px solid rgba(32, 107, 196, .16);
    background: rgba(255, 255, 255, .8);
    backdrop-filter: blur(10px);
    border-radius: 999px;
    padding: .45rem .8rem;
    color: #206bc4;
    font-weight: 700;
    font-size: .8125rem;
    margin-bottom: 1rem;
}

@media (max-width: 1199.98px) {
    .hero-copy .display-5 {
        font-size: clamp(2.5rem, 5.2vw, 4.2rem) !important;
        line-height: 1.06;
    }
}

@media (max-width: 767.98px) {
    .hero-copy .display-5 {
        font-size: clamp(2.15rem, 9vw, 3.2rem) !important;
        line-height: 1.08;
        letter-spacing: -0.03em;
    }
}

.hero-grid {
    min-height: 700px;
    align-items: center;
}

.hero-copy {
    max-width: 640px;
}

.hero-copy .lead {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4c5b6b;
}

.hero-actions {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}

.hero-metric {
    background: rgba(255, 255, 255, .72);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(98, 105, 118, .12);
    border-radius: 1rem;
    padding: 1rem 1rem .95rem;
}

.hero-metric .title {
    font-size: .8125rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: #667382;
    margin-bottom: .45rem;
    font-weight: 700;
}

.hero-metric .desc {
    font-weight: 700;
    line-height: 1.5;
}

.stack-scene {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding: .75rem 0 1.5rem;
}

.stack-card {
    --stack-rotate: 0deg;
    position: relative;
    width: 100%;
    max-width: 540px;
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, .94);
    border: 1px solid var(--cn-border-soft);
    box-shadow: var(--cn-shadow);
    overflow: hidden;
    transform-origin: right center;
    transform: rotate(var(--stack-rotate));
    transition: transform .28s ease, box-shadow .28s ease, opacity .28s ease, filter .28s ease;
    will-change: transform;
}

.stack-card[data-full] {
    cursor: pointer;
}

.stack-card.card-1 {
    --stack-rotate: -1.2deg;
    z-index: 3;
    margin-right: 0;
}

.stack-card.card-2 {
    --stack-rotate: .9deg;
    z-index: 2;
    margin-top: -10rem;
    margin-right: 60px;
}

.stack-card.card-3 {
    --stack-rotate: -1.8deg;
    z-index: 1;
    margin-top: -10rem;
    margin-right: 20px;
}

.stack-scene.is-hovering .stack-card {
    transform: rotate(var(--stack-rotate)) scale(.965) translateX(-18px);
    box-shadow: 0 20px 80px rgba(32, 41, 57, .10);
    filter: saturate(.92);
    opacity: .9;
}

.stack-scene.is-hovering .stack-card.is-active {
    transform: rotate(var(--stack-rotate)) scale(1.02) translateX(0);
    box-shadow: 0 20px 60px rgba(32, 41, 57, .18);
    filter: none;
    opacity: 1;
    z-index: 10;
}

.stack-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .9rem 1rem;
    /* border-bottom: 1px solid var(--cn-border-soft); */
    background: linear-gradient(180deg, #fff, #f8fafc);
}

.stack-head.dark {
    background: linear-gradient(180deg, #000, #080a0c);
}

.stack-head.dark .stack-title {
    color: rgba(255, 255, 255, .92);
}

.stack-head.dark .stack-dots span {
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14);
}

.stack-head.dark .badge {
    background: rgba(125, 211, 252, .16) !important;
    color: #d7f2ff !important;
    border: 1px solid rgba(125, 211, 252, .22);
}

.shot-placeholder {
    position: relative;
    padding: 1rem;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.shot-frame {
    min-height: 250px;
    border-radius: 1.1rem;
    border: 1px dashed rgba(32, 107, 196, .28);
    background:
        linear-gradient(180deg, rgba(32, 107, 196, .03), rgba(66, 153, 225, .06)),
        repeating-linear-gradient(0deg,
            rgba(32, 107, 196, .04),
            rgba(32, 107, 196, .04) 1px,
            transparent 1px,
            transparent 28px),
        repeating-linear-gradient(90deg,
            rgba(32, 107, 196, .035),
            rgba(32, 107, 196, .035) 1px,
            transparent 1px,
            transparent 28px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1.5rem;
    color: #4c5b6b;
}

.stack-media {
    position: relative;
    aspect-ratio: 1024 / 576;
    background:
        linear-gradient(180deg, rgba(32, 107, 196, .03), rgba(66, 153, 225, .06)),
        linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border-radius: 0 0 calc(1.5rem - 1px) calc(1.5rem - 1px);
    overflow: hidden;
}

.stack-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.shot-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    background: #eef6ff;
    color: #206bc4;
    border: 1px solid rgba(32, 107, 196, .12);
    font-weight: 800;
    font-size: 1.25rem;
}

.shot-note {
    margin-top: .9rem;
    display: inline-flex;
    gap: .4rem;
    flex-wrap: wrap;
    justify-content: center;
}

.stack-dots {
    display: flex;
    gap: .45rem;
}

.stack-dots span {
    width: .82rem;
    height: .82rem;
    border-radius: 50%;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .08);
}

.stack-dots span:nth-child(1) {
    background: #ff5f57;
}

.stack-dots span:nth-child(2) {
    background: #febc2e;
}

.stack-dots span:nth-child(3) {
    background: #28c840;
}

.stack-title {
    font-size: .85rem;
    font-weight: 700;
    color: #4c5b6b;
}

.editor-layout {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    min-height: 250px;
}

.code-panel {
    background: #0f172a;
    color: #cbd5e1;
    padding: 1rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: .82rem;
    line-height: 1.8;
}

.code-line.active {
    color: #fff;
    background: rgba(59, 130, 246, .22);
    border-radius: .5rem;
    padding: 0 .4rem;
    display: inline-block;
}

.result-panel {
    padding: 1rem;
    background: #fff;
}

.tiny-stat {
    border: 1px solid var(--cn-border-soft);
    border-radius: .9rem;
    padding: .8rem .9rem;
    margin-bottom: .75rem;
    background: #fff;
}

.viz-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .9rem;
    padding: 1rem;
}

.viz-box {
    border: 1px solid var(--cn-border-soft);
    border-radius: 1rem;
    padding: .9rem;
    background: #fbfcfe;
    min-height: 130px;
}

.node-pill,
.lang-pill {
    display: inline-flex;
    align-items: center;
    padding: .35rem .6rem;
    border-radius: 999px;
    background: #eef6ff;
    color: #206bc4;
    font-weight: 700;
    font-size: .75rem;
    margin: .2rem;
    border: 1px solid rgba(32, 107, 196, .14);
}

.edu-layout {
    padding: 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .9rem;
}

.progress-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    padding: .55rem 0;
    border-bottom: 1px dashed var(--cn-border-soft);
}

.section-pad {
    padding: 5rem 0;
}

.section-muted {
    background: var(--cn-section-muted);
}

.section-header {
    max-width: 760px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.section-header .kicker {
    display: inline-block;
    font-size: .8125rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 800;
    color: #206bc4;
    margin-bottom: .7rem;
}

.feature-card,
.article-card,
.mini-card,
.faq-card {
    border: 1px solid var(--cn-border-soft);
    box-shadow: 0 8px 30px rgba(32, 41, 57, .04);
    border-radius: 1.2rem;
    background: #fff;
    height: 100%;
}

.feature-card .card-body,
.article-card .card-body,
.mini-card .card-body {
    padding: 1.35rem;
}

.icon-wrap {
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    background: #eef6ff;
    color: #206bc4;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    border: 1px solid rgba(32, 107, 196, .12);
}

.journey {
    display: flex;
    flex-wrap: wrap;
    gap: .85rem;
    justify-content: center;
    align-items: center;
}

.journey-step {
    padding: .95rem 1rem;
    border-radius: 1rem;
    background: #fff;
    border: 1px solid var(--cn-border-soft);
    font-weight: 700;
    min-width: 150px;
    text-align: center;
}

.journey-arrow {
    color: #8a97a6;
    font-weight: 800;
    font-size: 1.2rem;
}

.split-panel {
    border: 1px solid var(--cn-border-soft);
    border-radius: 1.4rem;
    overflow: hidden;
    background: #fff;
    box-shadow: var(--cn-shadow);
}

.split-panel .panel-copy {
    padding: 2rem;
}

.split-panel .panel-visual {
    background: linear-gradient(180deg, #f8fbff 0%, #eef6ff 100%);
    border-left: 1px solid rgba(98, 105, 118, .06);
    padding: 1.75rem;
}

.exam-visual,
.visual-runtime {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: .9rem;
}

.timeline-slim {
    display: grid;
    gap: .75rem;
}

.timeline-item {
    border: 1px solid var(--cn-border-soft);
    background: rgba(255, 255, 255, .84);
    border-radius: 1rem;
    padding: .95rem 1rem;
}

.edu-grid .card-body {
    padding: 1.25rem;
}

.blog-card-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3.2rem;
}

.cta-panel {
    padding: 2.4rem;
    border-radius: 1.5rem;
    background: radial-gradient(1200px 400px at 80% 0%, rgba(255, 255, 255, .18), transparent 60%),
        linear-gradient(135deg, #2f6fce 0%, #3b82f6 100%);
    color: #fff;
    box-shadow: 0 20px 60px rgba(32, 107, 196, .24);
}

.cta-panel p {
    color: rgba(255, 255, 255, .86);
}

.footer-soft {
    border-top: 1px solid var(--cn-border-soft);
    background: #fff;
}

.contact-qr-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-card.feature-card {
    height: auto;
}

.contact-card .card-body {
    padding: 1.25rem !important;
}

.contact-qr-box {
    width: 6.5rem;
    aspect-ratio: 1;
    border-radius: .95rem;
    border: 1px dashed rgba(32, 107, 196, 0.22);
    background:
        linear-gradient(180deg, rgba(32, 107, 196, 0.03), rgba(66, 153, 225, 0.06)),
        #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #6a7687;
    font-size: .82rem;
    line-height: 1.5;
    padding: .55rem;
    flex: 0 0 auto;
}

.contact-qr-copy {
    flex: 1 1 220px;
    min-width: 0;
}

.cta-qr-card {
    display: inline-flex;
    align-items: center;
    gap: .9rem;
    padding: .9rem 1rem;
    border-radius: 1.25rem;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: 0 16px 32px rgba(20, 55, 110, 0.12);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.cta-qr-box {
    width: 5.6rem;
    aspect-ratio: 1;
    border-radius: .95rem;
    background: rgba(255, 255, 255, 0.96);
    border: 1px dashed rgba(255, 255, 255, 0.42);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: rgba(31, 47, 70, 0.62);
    font-size: .78rem;
    line-height: 1.45;
    padding: .45rem;
    flex: 0 0 auto;
}

.cta-qr-copy {
    text-align: left;
    min-width: 0;
}

.cta-qr-title {
    font-weight: 800;
    font-size: 1rem;
    color: #fff;
    margin-bottom: .3rem;
}

.cta-qr-note {
    color: rgba(255, 255, 255, 0.82);
    font-size: .9rem;
    line-height: 1.6;
    max-width: 16rem;
}

.contact-card-compact .contact-qr-box {
    width: 5.75rem;
}

.contact-card-compact .contact-qr-copy strong {
    font-size: 1rem;
}

@media (max-width: 767.98px) {
    .contact-qr-card {
        gap: .85rem;
    }

    .contact-qr-box,
    .contact-card-compact .contact-qr-box {
        width: 5.5rem;
    }

    .cta-qr-card {
        width: 100%;
        justify-content: flex-start;
    }
}

.hero,
.stack-scene {
    overflow: visible;
}

.journey-card {
    border: 1px solid rgba(32, 107, 196, 0.08);
    border-radius: 28px;
    box-shadow: 0 1rem 2.5rem rgba(15, 23, 42, 0.06);
    background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
}

.journey-band {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.journey-phase {
    flex: 1 1 0;
    min-width: 0;
    padding: 1.25rem 1.1rem;
    border-radius: 20px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    text-align: left;
}

.journey-phase.featured {
    background: linear-gradient(180deg, #f7fbff 0%, #eef5ff 100%);
    border: 1px solid rgba(32, 107, 196, 0.2);
    box-shadow: 0 10px 28px rgba(32, 107, 196, 0.12);
    transform: translateY(-4px);
}

.phase-kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    font-size: .9rem;
    font-weight: 700;
    color: #206bc4;
    background: rgba(32, 107, 196, 0.10);
    margin-bottom: .9rem;
}

.journey-phase h3 {
    margin: 0 0 .5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: #182433;
}

.journey-phase p {
    margin: 0;
    font-size: .95rem;
    line-height: 1.7;
    color: #667382;
}

.journey-link {
    flex: 0 0 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.journey-link span {
    height: 2px;
    opacity: 0.8;
    background: linear-gradient(90deg,
            rgba(32, 107, 196, 0.2),
            rgba(32, 107, 196, 0.5));
}


.flow-wrap {
    position: relative;
}

.feature-card {
    position: relative;
    z-index: 3;
}

.icon-wrap {
    position: relative;
    z-index: 4;
}

.feature-card {
    position: relative;
    z-index: 1;
    border-radius: 24px;
    border: 1px solid rgba(15, 23, 42, 0.05);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
    transition: all 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(180deg, #f4f8ff, #eaf1ff);
    border: 1px solid rgba(32, 107, 196, 0.2);
    color: #206bc4;
    font-weight: 700;

    box-shadow:
        0 4px 10px rgba(32, 107, 196, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.type-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 16px;
    margin-top: 1.75rem;
}

#flow .flow-col {
    position: relative;
}

.paper-item {
    margin-bottom: 1.25rem;
}

.paper-bar {
    height: 10px;
    border-radius: 999px;
    background: rgba(32, 107, 196, 0.08);
    overflow: hidden;
}

.paper-bar span {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #8db7f2 0%, #2f7de1 100%);
}

.paper-note {
    padding: 1rem 1.2rem;
    border-radius: 18px;
    background: rgba(32, 107, 196, 0.04);
    border: 1px solid rgba(32, 107, 196, 0.10);
    color: #5d6a7c;
    line-height: 1.75;
}

/* Hero 基础：别让右侧再越界压住左边 */
/* .hero {
      overflow: hidden;
    } */

.hero-copy {
    position: relative;
    z-index: 3;
    max-width: 640px;
}

.stack-scene {
    position: relative;
    z-index: 1;
}

.journey {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    flex-wrap: nowrap;
    margin-top: 3rem;
}

.journey-step {
    min-width: 220px;
    min-height: 104px;
    height: 110px;
    padding: 1.25rem 1.5rem;
    border-radius: 24px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    transition: all 0.25s ease;
}

.journey-step:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
}

.journey-step-title {
    font-size: 1rem;
    font-weight: 800;
    color: #1f2b3d;
    line-height: 1.25;
    margin-bottom: 0.4rem;
}

.journey-step-sub {
    font-size: 0.875rem;
    line-height: 1.5;
    color: #6c7a8c;
}

.journey-step-final {
    background: linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
    border-color: rgba(32, 107, 196, 0.18);
    box-shadow: 0 10px 28px rgba(32, 107, 196, 0.08);
}

.journey-arrow {
    position: relative;
    flex: 0 0 34px;
    height: 2px;
    background: linear-gradient(90deg,
            rgba(32, 107, 196, 0.12),
            rgba(32, 107, 196, 0.35));
    border-radius: 999px;
}

.journey-arrow::after {
    content: "";
    position: absolute;
    right: -1px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-top: 2px solid rgba(32, 107, 196, 0.5);
    border-right: 2px solid rgba(32, 107, 196, 0.5);
    transform: translateY(-50%) rotate(45deg);
}

.ai-copy h2 {
    line-height: 1.12;
}

.ai-principle {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #667382;
    max-width: 58ch;
}

.ai-capability-grid {
    margin-top: .25rem;
}

.ai-side-card {
    height: 100%;
    border: 1px solid rgba(15, 23, 42, 0.05);
    border-radius: 22px;
    background: #fff;
    padding: 1.25rem 1.1rem;
}

.ai-side-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: #1f2b3d;
    margin-bottom: 1rem;
}

.ai-capability {
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.ai-capability:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.ai-capability h3 {
    font-size: 1rem;
    font-weight: 800;
    color: #243246;
    margin: 0 0 .4rem;
}

.ai-capability p {
    margin: 0;
    font-size: .97rem;
    line-height: 1.75;
    color: #6a7687;
}

.ai-flow {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ai-flow::before {
    content: "";
    position: absolute;
    left: 18px;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: linear-gradient(180deg,
            rgba(32, 107, 196, 0.18),
            rgba(32, 107, 196, 0.45));
}

.ai-flow-item {
    position: relative;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: .25rem;
}

.ai-flow-dot {
    position: relative;
    z-index: 2;
    flex: 0 0 38px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(180deg, #f4f8ff, #eaf1ff);
    border: 1px solid rgba(32, 107, 196, 0.18);
    color: #206bc4;
    font-size: .78rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 4px 12px rgba(32, 107, 196, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.ai-flow-content {
    flex: 1 1 auto;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 20px;
    background: #fff;
    padding: 1.15rem 1.2rem;
}

.ai-flow-content h3 {
    font-size: 1.05rem;
    font-weight: 800;
    color: #243246;
    margin: 0 0 .35rem;
}

.ai-flow-content p {
    margin: 0;
    color: #6a7687;
    line-height: 1.75;
    font-size: .97rem;
}

.ai-note {
    margin-top: 1.5rem;
    padding: 1rem 1.15rem;
    border-radius: 18px;
    background: rgba(32, 107, 196, 0.04);
    border: 1px solid rgba(32, 107, 196, 0.10);
    color: #5d6a7c;
    line-height: 1.75;
}

.viz-shot-card {
    border: 1px solid rgba(98, 105, 118, .10);
    border-radius: 1.5rem;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 18px 50px rgba(32, 41, 57, .08);
}

.viz-shot-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    padding: .9rem 1rem;
    background: linear-gradient(180deg, #ffffff, #f8fafc);
    /* border-bottom: 1px solid rgba(98, 105, 118, .12); */
}

.viz-shot-title {
    font-size: .875rem;
    font-weight: 700;
    color: #4c5b6b;
    flex: 1 1 auto;
    text-align: center;
}

.viz-shot-body {
    aspect-ratio: 16 / 9;
    background: #f8fbff;
    overflow: hidden;
}

.viz-shot-body img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.visual-tags .badge {
    font-weight: 700;
    padding: .5rem .8rem;
    border-radius: 999px;
    background: #eef6ff;
    color: #206bc4;
    border: 1px solid rgba(32, 107, 196, .10);
}

.exam-points {
    display: grid;
    gap: 1rem;
}

.exam-point {
    padding: 1rem 1.1rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.72);
}

.exam-point strong {
    display: block;
    font-size: 1rem;
    font-weight: 800;
    color: #243246;
    margin-bottom: .35rem;
}

.exam-point span {
    display: block;
    color: #6a7687;
    line-height: 1.75;
    font-size: .97rem;
}

.icon-inline {
    width: 1.4rem;
    height: 1.4rem;
    color: #206bc4;
    flex: 0 0 auto;
    /* margin-top: 2px; */
}

.icon-inline svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    vertical-align: middle;
}

.icon-sm {
    width: 2.2rem;
    height: 2.2rem;
    border-radius: .6rem;
    background: #eef6ff;
    color: #206bc4;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(32, 107, 196, .12);
}

.icon-sm svg {
    width: 1.2rem;
    height: 1.2rem;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

h2.display-6 {
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.edu-block {
    position: relative;
    padding: 2rem 1.8rem;
    border-radius: 1.4rem;
    /* min-height: 360px; */
    height: 100%;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
    transition: all 0.2s ease;
}

button.demo-preview {
    width: 100%;
}

/* 弹层 */
.shot-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
}

.card-title {
    font-weight: var(--tblr-font-weight-medium);
    font-size: var(--tblr-font-size-h3);
    line-height: var(--tblr-line-height-h3);
}


.shot-lightbox.is-open {
    display: block;
}

.shot-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.62);
    backdrop-filter: blur(6px);
}

.shot-lightbox-dialog {
    position: relative;
    width: min(1200px, calc(100vw - 2rem));
    max-height: calc(100vh - 2rem);
    margin: 1rem auto;
    background: #fff;
    border-radius: 1.2rem;
    overflow: hidden;
    box-shadow: 0 30px 100px rgba(15, 23, 42, 0.28);
}

.shot-lightbox-head {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(98, 105, 118, .12);
    background: linear-gradient(180deg, #fff, #f8fafc);
}

.shot-lightbox-title {
    font-size: 1rem;
    font-weight: 700;
    color: #243246;
}

.shot-lightbox-close {
    position: absolute;
    top: .6rem;
    right: .8rem;
    z-index: 2;
    width: 2.25rem;
    height: 2.25rem;
    border: 0;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    color: #243246;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
}

.shot-lightbox-close:hover {
    background: rgba(15, 23, 42, 0.10);
}

.shot-lightbox-body {
    padding: 0;
    background: #f6f8fb;
    overflow: auto;
    max-height: calc(100vh - 5rem);
}

.shot-lightbox-body img {
    display: block;
    width: 100%;
    height: auto;
}

.news-cover-link img {
    border-radius: var(--tblr-card-border-radius) var(--tblr-card-border-radius) 0 0;
}

@media (min-width: 992px) {
    .edu-block.featured {
        transform: translateY(-4px);
        box-shadow: 0 18px 40px rgba(32, 107, 196, 0.08);
    }
}

.edu-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.edu-icon {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    opacity: 0.9;
}

.edu-block h3 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    color: #243246;
}

.edu-item {
    margin-bottom: 1rem;
}

.edu-item strong {
    display: block;
    font-weight: 700;
    margin-bottom: .25rem;
}

.edu-item span {
    color: #6a7687;
    font-size: .95rem;
    line-height: 1.7;
}

.edu-block.featured {
    border-color: rgba(32, 107, 196, .16);
    box-shadow: 0 14px 36px rgba(32, 107, 196, .08);
    transform: translateY(-2px);
}

.studio-note {
    padding: 1rem 1.15rem;
    border-radius: 1rem;
    background: rgba(32, 107, 196, 0.05);
    border: 1px solid rgba(32, 107, 196, 0.12);
    color: #425466;
    font-weight: 600;
    line-height: 1.7;
}

.card-header {
    border-bottom: none;
    padding: 0;
}

.card-header-arrow {
    opacity: 0;
    transition: var(--tblr-transition-color), .3s;
    transform-origin: 50%;
    width: var(--tblr-space-lg);
    height: var(--tblr-space-lg) 1.25rem;
    margin-left: auto;
}

.card:hover .card-header-arrow {
    opacity: 1;
    /* transform: rotate(90deg); */
}

.card:hover .card-i3d-image {
    transform: rotate(-3deg) translateY(-4px) translate(-2px);
}

a.card:not(.disabled):hover {
    color: inherit;
    /* border-color: var(--tblr-color-background-secondary); */
    background-color: var(--tblr-color-background-secondary);
}

.card-description {
    font-size: .875rem;
    color: light-dark(#6a7380, #9ba3af);
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    text-wrap: pretty;
    text-align: left;
    padding-top: 5px;
    line-height: 1.25rem;
    -webkit-box-orient: vertical;
    margin: 0;
    display: -webkit-box;
    overflow: hidden;
}

.card-i3d {
    height: 160px;
    margin-top: calc(var(--card-padding) * -1);
    border-bottom-right-radius: calc(var(--tblr-radius-lg) - 1px);
    position: relative;
    overflow: hidden;
    border-radius: var(--tblr-card-border-radius);
}

.card-i3d-image {
    transform-origin: 100% 0;
    border: 1px solid var(--tblr-stroke-color-secondary);
    border-radius: 6px;
    transition: .3s;
    color: #0000;
    box-shadow: 0px 10px 15px -3px color-mix(in srgb, #040f1f 10%, transparent), 0px 4px 6px -4px color-mix(in srgb, #040f1f 10%, transparent);
    object-fit: cover;
    z-index: 100;
    position: absolute;
    top: .25rem;
    left: 30%;
    transform: rotate(-5deg);
}

.scenario-card .card-body {
    padding: 1.4rem;
}

.scenario-card h3 {
    line-height: 1.25;
}

.accordion-item {
    border-radius: 1rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: #fff;
    overflow: hidden;
    transition: all .2s ease;
}

/* 卡片间距 */
.accordion-item+.accordion-item {
    margin-top: .75rem;
}

.accordion-item:first-of-type {
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
}

.accordion-item:last-of-type {
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 1rem;
}

.accordion-header {
    display: flexvar(--tblr-accordion-border-radius);
}

.accordion-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.accordion-header {
    width: 100%;
    padding: 1.2rem 1.4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2b3d;
}

.accordion-header:hover {
    background: rgba(32, 107, 196, 0.04);
}

.accordion-header[aria-expanded="true"] {
    background: rgba(32, 107, 196, 0.05);
    color: #206bc4;
}

.accordion-title {
    text-align: left;
}

.accordion-icon {
    transition: transform .25s ease;
}

.accordion-icon.open {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 0 1.4rem 1.2rem;
    color: #6b7788;
    font-size: 1rem;
    line-height: 1.7;
}

.solution-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
    overflow: hidden;
    position: relative;
}

.solution-card.featured {
    border-color: rgba(32, 107, 196, 0.18);
    box-shadow: 0 22px 54px rgba(32, 107, 196, 0.12);
    background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

.solution-card.featured::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #206bc4, #51a2ff);
}

.solution-body {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.6rem;
}

.solution-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.solution-icon {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #f4f8ff, #eaf2ff);
    color: #206bc4;
    border: 1px solid rgba(32, 107, 196, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
    flex: 0 0 auto;
}

.solution-icon svg {
    width: 1.45rem;
    height: 1.45rem;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

.solution-card.featured .solution-icon {
    background: linear-gradient(180deg, #206bc4, #2f86ea);
    color: #fff;
    border-color: rgba(32, 107, 196, 0.28);
    box-shadow: 0 14px 28px rgba(32, 107, 196, 0.18);
}

.solution-recommend {
    display: inline-flex;
    align-items: center;
    padding: .4rem .75rem;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(32, 107, 196, 0.12), rgba(32, 107, 196, 0.18));
    color: #1d5ead;
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .02em;
    white-space: nowrap;
    border: 1px solid rgba(32, 107, 196, 0.12);
}

.solution-kicker {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .7rem;
    border-radius: 999px;
    background: #eef6ff;
    color: #206bc4;
    font-size: .78rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.solution-desc {
    color: #6a7687;
    line-height: 1.75;
    margin-bottom: 1rem;
}

.solution-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.1rem;
    display: grid;
    gap: .75rem;
}

.solution-list li {
    color: #4d5a6b;
    line-height: 1.65;
    padding-left: 1.1rem;
    position: relative;
}

.solution-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .65rem;
    width: .38rem;
    height: .38rem;
    border-radius: 50%;
    background: #206bc4;
}

.solution-meta {
    display: grid;
    gap: .45rem;
    color: #6a7687;
    font-size: .95rem;
    margin-bottom: 1.25rem;
}

.solution-cta {
    margin-top: auto;
    padding-top: .75rem;
}

@media (max-width: 991.98px) {
    .solution-card {
        min-height: auto;
    }

    .solution-body {
        padding: 1.35rem;
    }

    .solution-head {
        margin-bottom: .85rem;
    }

    .solution-meta {
        margin-bottom: 1rem;
    }

    .solution-cta {
        padding-top: 1rem;
    }
}

.quote-card {
    height: 100%;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 24px;
    background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
    padding: 1.55rem;
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.05);
    position: relative;
    overflow: hidden;
}

.quote-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(32, 107, 196, 0.18), rgba(32, 107, 196, 0));
}

.quote-mark {
    width: 2.8rem;
    height: 2.8rem;
    border-radius: .95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #f4f8ff, #eaf2ff);
    color: #206bc4;
    border: 1px solid rgba(32, 107, 196, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.quote-card blockquote {
    margin: 0 0 1.25rem;
    font-size: 1.04rem;
    line-height: 1.8;
    color: #243246;
}

.quote-footer {
    display: flex;
    align-items: center;
    gap: .9rem;
}

.quote-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    color: #fff;
    font-size: .95rem;
    font-weight: 800;
    letter-spacing: .02em;
    box-shadow: 0 10px 24px rgba(32, 107, 196, 0.16);
}

.quote-avatar.org {
    background: linear-gradient(180deg, #206bc4, #2f86ea);
}

.quote-avatar.school {
    background: linear-gradient(180deg, #15803d, #1fa463);
}

.quote-person {
    font-size: 1rem;
    font-weight: 700;
    color: #243246;
    line-height: 1.4;
}

.quote-meta {
    color: #6a7687;
    font-size: .95rem;
    line-height: 1.6;
}

.quote-tag {
    display: inline-flex;
    align-items: center;
    padding: .28rem .65rem;
    margin-top: .45rem;
    border-radius: 999px;
    background: rgba(32, 107, 196, 0.08);
    color: #206bc4;
    font-size: .78rem;
    font-weight: 700;
}

.go-to-top {
    --go-to-top-bottom: 1.5rem;
    --go-to-top-lift: 0px;
    background: linear-gradient(180deg, #0b76dd, #066fd1);
    color: white;
    bottom: calc(var(--go-to-top-bottom) + var(--go-to-top-lift) + env(safe-area-inset-bottom, 0px));
    right: 1.25rem;
    width: 2.9rem;
    height: 2.9rem;
    border-radius: 14px;
    cursor: pointer;
    transition: opacity .28s ease, transform .28s ease, box-shadow .28s ease, background-color .28s ease;
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    justify-content: center;
    align-items: center;
    display: flex;
    position: fixed;
    border: 0;
    transform: translateY(12px) scale(.96);
    box-shadow: 0 12px 28px rgba(6, 111, 209, .22);
}

.go-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.go-to-top:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 18px 36px rgba(6, 111, 209, .28);
}

.go-to-top:focus-visible {
    outline: 0;
    box-shadow: 0 0 0 4px rgba(6, 111, 209, .16), 0 18px 36px rgba(6, 111, 209, .28);
}

.go-to-top svg {
    width: 1.3rem;
    height: 1.3rem;
}

@media (max-width: 767.98px) {
    .go-to-top {
        --go-to-top-bottom: 1.35rem;
        right: 1rem;
        width: 3rem;
        height: 3rem;
    }
}

@media (min-width: 992px) {
    .edu-flow::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 15%;
        width: 70%;
        height: 2px;
        background: linear-gradient(to right,
                rgba(32, 107, 196, 0.1),
                rgba(32, 107, 196, 0.2),
                rgba(32, 107, 196, 0.1));
        z-index: 0;
    }
}

@media (max-width: 1199.98px) {
    .ai-copy h2 {
        line-height: 1.16;
    }
}

@media (max-width: 767.98px) {
    .ai-principle {
        font-size: .98rem;
        line-height: 1.75;
    }

    .ai-side-title {
        font-size: 1.2rem;
    }

    .ai-flow-content {
        padding: 1rem 1rem;
    }

    .ai-flow-content h3 {
        font-size: 1rem;
    }

    .ai-flow-content p,
    .ai-capability p {
        font-size: .93rem;
    }
}

/* 中等屏：允许换行 */
@media (max-width: 1399.98px) {
    .journey {
        flex-wrap: wrap;
        gap: 16px 18px;
    }

    .journey-arrow {
        display: none;
    }

    .journey-step {
        min-width: 200px;
    }
}

/* .journey-step::before {
      content: attr(data-step);
      position: absolute;
      top: 10px;
      left: 14px;
      font-size: 0.7rem;
      color: rgba(32, 107, 196, 0.35);
    } */

/* 平板/手机：改成纵向成长路径 */
@media (max-width: 767.98px) {
    .journey {
        flex-direction: column;
        align-items: stretch;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

    .journey-step {
        min-width: 0;
        width: 100%;
        text-align: left;
        padding: 1rem 1.1rem;
        min-height: 88px;
    }

    .journey-step-title {
        font-size: 1rem;
    }

    .journey-step-sub {
        font-size: 0.8125rem;
    }
}

/* 1200 - 1399：窄桌面，右侧缩小并右移 */
@media (max-width: 1399.98px) and (min-width: 1200px) {
    .hero-grid {
        min-height: 640px;
    }

    .hero-copy {
        max-width: 560px;
    }

    .hero-copy .display-5 {
        font-size: clamp(2.5rem, 3.6vw, 3.6rem);
    }

    .stack-scene {
        transform: scale(0.86);
        transform-origin: right center;
        margin-right: -24px;
    }
}

/* 992 - 1199：不要再左右硬撑，直接上下排 */
@media (max-width: 1199.98px) and (min-width: 992px) {
    .hero-grid {
        min-height: auto;
        align-items: flex-start;
    }

    .hero .row.hero-grid {
        flex-direction: column;
    }

    .hero .row.hero-grid>.col-lg-6 {
        width: 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }

    .hero-copy {
        max-width: 100%;
        padding-right: 0;
        margin-bottom: 2rem;
    }

    .hero-copy .display-5 {
        font-size: clamp(2.8rem, 5vw, 4rem);
    }

    .stack-scene {
        transform: scale(0.92);
        transform-origin: center top;
        margin: 0 auto;
        max-width: 860px;
        padding-top: .5rem;
    }
}

@media (min-width: 1200px) {
    #flow .flow-col:not(:last-child)::after {
        content: "";
        position: absolute;
        top: 48px;
        right: -12px;
        width: 24px;
        height: 2px;
        background: linear-gradient(90deg,
                rgba(32, 107, 196, 0.2),
                rgba(32, 107, 196, 0.55));
        z-index: 3;
        pointer-events: none;
    }

    #flow .feature-card {
        position: relative;
        z-index: 2;
    }

    #flow .icon-wrap {
        position: relative;
        z-index: 4;
    }
}

@media (max-width: 991.98px) {
    .journey-band {
        flex-direction: column;
        align-items: stretch;
    }

    .journey-link {
        flex: 0 0 auto;
        width: 2px;
        height: 24px;
        margin: 0 auto;
    }

    .journey-link span {
        width: 2px;
        height: 100%;
        background: linear-gradient(180deg,
                rgba(32, 107, 196, 0.18) 0%,
                rgba(32, 107, 196, 0.45) 100%);
    }

    /*
      .flow-line {
        display: none;
      } */
}

@media (max-width: 991.98px) {
    .site-header .navbar-collapse {
        margin-top: .75rem;
        border: 1px solid rgba(98, 105, 118, .12);
        border-radius: 1rem;
        background: rgba(255, 255, 255, .98);
        box-shadow: 0 12px 32px rgba(32, 41, 57, .08);
        padding: .75rem;
    }

    .hero-grid {
        min-height: auto;
        padding-top: 2rem;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
    }


    .feature-card {
        border-radius: 24px;
        border: 1px solid rgba(15, 23, 42, 0.05);
        box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
        transition: all 0.25s ease;
    }

    .feature-card:hover {
        transform: translateY(-6px) !important;
        box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08) !important;
    }

    .col-xl-3:last-child .feature-card {
        border-color: rgba(32, 107, 196, 0.2);
    }

    .stack-scene {
        display: grid;
        gap: 1rem;
        margin-top: 2rem;
        padding: 0;
    }

    .stack-card {
        --stack-rotate: 0deg;
        position: relative;
        margin-top: 0 !important;
        margin-right: 0 !important;
        max-width: 100%;
    }

    .split-panel .panel-visual {
        border-left: 0;
        border-top: 1px solid var(--cn-border-soft);
    }
}

@media (max-width: 767.98px) {

    .editor-layout,
    .viz-layout,
    .edu-layout {
        grid-template-columns: 1fr;
    }

    .section-pad {
        padding: 4rem 0;
    }

    .hero-copy .lead {
        font-size: 1rem;
    }
}