:root {
    --edn-red: #e60039;
    --edn-red-dark: #c90032;
    --edn-blue: #006dff;
    --edn-dark: #2a2b2e;
    --edn-gray: #6a6b6d;
    --edn-light-gray: #9b9fa8;
    --edn-soft: #f7f9fa;
    --edn-line: #e7e9ed;
    --edn-page: 1400px;
    --edn-stage-h: min(700px, calc(100vh - var(--edn-nav-offset, 146px) - 220px));
    --edn-gutter: 48px;
    /* 单图舞台与上方说明共用宽度，避免文字比配图更宽 */
    --edn-media-w: min(100%, calc(var(--edn-stage-h) * 1244 / 700));
    /* 统一字号阶梯：笔记本可读优先，正文不低于 15 */
    --edn-fs-hero: clamp(36px, 3.2vw, 44px);
    --edn-fs-hero-sub: clamp(19px, 1.7vw, 22px);
    --edn-fs-hero-body: clamp(15px, 1.2vw, 16px);
    --edn-fs-section: clamp(30px, 2.4vw, 36px);
    --edn-fs-lead: clamp(16px, 1.35vw, 18px);
    --edn-fs-title: clamp(18px, 1.5vw, 20px);
    --edn-fs-title-lg: clamp(19px, 1.65vw, 22px);
    --edn-fs-body: clamp(15px, 1.2vw, 16px);
    --edn-fs-body-sm: clamp(14px, 1.15vw, 15px);
    --edn-fs-meta: clamp(14px, 1.05vw, 15px);
    --edn-fs-tab: clamp(17px, 1.4vw, 20px);
    --edn-fs-side: clamp(19px, 1.9vw, 24px);
    --edn-fs-side-desc: clamp(15px, 1.3vw, 16px);
    --edn-fs-cta: clamp(19px, 1.75vw, 22px);
    --edn-fs-cta-sub: clamp(15px, 1.2vw, 16px);
}


/* 仅作用本页，避免污染站点全局头尾样式 */

.n-project-page,
.n-project-page *,
.n-project-page *::before,
.n-project-page *::after,
.n-lightbox,
.n-lightbox *,
.n-lightbox *::before,
.n-lightbox *::after {
    box-sizing: border-box;
}

.n-project-page {
    color: var(--edn-dark);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.n-project-page a {
    text-decoration: none;
}

.n-project-page button,
.n-project-page input {
    font: inherit;
}

.n-project-page button {
    color: inherit;
}

.n-project-page img,
.n-project-page video {
    display: block;
    max-width: 100%;
}

.n-project-page p,
.n-project-page h1,
.n-project-page h2,
.n-project-page h3,
.n-project-page h4 {
    margin: 0;
}

body.edn-lightbox-lock {
    overflow: hidden;
}

.n-site-header {
    height: 86px;
    background: #fff;
}

.n-site-inner {
    width: min(var(--edn-page), calc(100% - var(--edn-gutter)));
    margin: 0 auto;
}

.n-site-topbar {
    height: 26px;
    color: #9b9fa8;
    background: #f0f1f2;
    font-size: var(--edn-fs-meta);
}

.n-site-topbar .n-site-inner {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
}

.n-site-main {
    height: 60px;
}

.n-site-main .n-site-inner {
    display: flex;
    height: 100%;
    align-items: center;
}

.n-site-logo {
    width: 158px;
    margin-right: 72px;
}

.n-site-logo img {
    width: 158px;
    height: 37px;
    object-fit: contain;
}

.n-site-main nav {
    display: flex;
    align-items: center;
    gap: 42px;
    font-size: 16px;
}

.n-site-main nav a:hover {
    color: var(--edn-red);
}

.n-site-search {
    display: flex;
    width: 294px;
    height: 40px;
    align-items: center;
    justify-content: space-between;
    margin-left: auto;
    padding: 0 14px;
    border: 1px solid #cfd2d5;
    border-radius: 4px;
    color: #9b9fa8;
    font-size: 14px;
}

.n-site-search span {
    font-size: 22px;
}

.n-site-menu {
    display: none;
}

.n-project-page {
    position: relative;
    overflow: visible;
}

.n-page-content {
    width: min(var(--edn-page), calc(100% - var(--edn-gutter)));
    margin: 0 auto;
}

.n-anchor-nav {
    position: relative;
    z-index: 20;
    height: 60px;
    background: rgba(247, 249, 250, .97);
    border-bottom: 1px solid rgba(0, 0, 0, .04);
    backdrop-filter: blur(12px);
}

.n-project-page .n-anchor-nav.is-fixed {
    position: fixed !important;
    top: 0;
    right: 0;
    left: 0;
    width: 100%;
    z-index: 20;
    box-shadow: 0 6px 18px rgba(26, 54, 91, .08);
}

.n-project-page .n-btn {
    display: inline-flex;
    min-width: 128px;
    height: 46px;
    align-items: center;
    justify-content: center;
    padding: 0 32px;
    border: 0;
    border-radius: 4px;
    font-size: var(--edn-fs-body);
    line-height: 1;
    white-space: nowrap;
    transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}

.n-project-page .n-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .14);
}

.n-project-page .n-btn-primary {
    color: #fff;
    background: var(--edn-red);
}

.n-project-page .n-btn-primary:hover {
    background: var(--edn-red-dark);
}

.n-project-page .n-btn-light {
    color: var(--edn-red);
    background: #fff;
}

.n-banner {
    position: relative;
    height: min(600px, calc(100vh - 86px));
    color: #fff;
    background: #061227;
}

.n-banner-media,
.n-banner-shade {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.n-banner-media {
    object-fit: cover;
}

.n-banner-video {
    display: block !important;
    z-index: 0;
}

.n-banner-image {
    display: none !important;
    z-index: 0;
}

.n-banner-shade {
    z-index: 1;
    background: linear-gradient(90deg, rgba(2, 10, 25, .9) 0%, rgba(3, 15, 37, .58) 48%, rgba(3, 15, 37, .02) 78%);
}

.n-banner-content {
    position: relative;
    z-index: 2;
    display: flex;
    height: 100%;
    flex-direction: column;
    justify-content: center;
    gap: clamp(24px, 5vh, 60px);
}

.n-banner-copy {
    width: min(800px, 100%);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.n-banner-copy h1 {
    font-size: var(--edn-fs-hero);
    line-height: 1.2;
    font-weight: 700;
}

.n-banner-copy h2 {
    font-size: var(--edn-fs-hero-sub);
    line-height: 1.2;
    font-weight: 700;
}

.n-banner-copy p {
    margin-top: 12px;
    color: #eee;
    font-size: var(--edn-fs-hero-body);
    line-height: 1.65;
}

.n-banner-actions {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.n-anchor-placeholder {
    display: none;
    width: 100%;
    height: 60px;
    pointer-events: none;
}

.n-anchor-placeholder.is-on {
    display: block;
}

.n-anchor-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.n-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--edn-light-gray);
    font-size: var(--edn-fs-meta);
    white-space: nowrap;
}

.n-breadcrumb a {
    color: var(--edn-light-gray);
}

.n-anchor-links {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 100%;
    color: var(--edn-gray);
    font-size: var(--edn-fs-body);
}

.n-anchor-links a {
    position: relative;
    display: flex;
    height: 100%;
    align-items: center;
    color: var(--edn-gray);
    white-space: nowrap;
}

.n-anchor-links a::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    background: var(--edn-red);
    content: "";
    transform: scaleX(0);
    transition: transform .2s;
}

.n-anchor-links a:hover,
.n-anchor-links a.is-active {
    color: var(--edn-dark);
    font-weight: 700;
}

.n-anchor-links a.is-active::after {
    transform: scaleX(1);
}

.n-anchor-toggle {
    display: none;
}


/* Gartner 广告条 — Figma PC 6:703 / Mobile 78:2187 */

.n-ad-strip {
    position: relative;
    display: flex;
    width: 100%;
    height: auto;
    align-items: center;
    justify-content: center;
    gap: 40px;
    overflow: hidden;
    padding: 20px 32px;
    color: #fff;
    background: #0028dc;
    min-height: 112px;
}

.n-ad-visual {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.n-ad-visual picture {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.n-ad-visual::after {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image: linear-gradient(90deg, rgba(0, 40, 220, 0) 17.211%, rgb(0, 40, 220) 29.915%, rgb(16, 112, 255) 58.314%, rgba(17, 156, 229, 0) 76.231%);
    content: "";
}

.n-ad-visual-img {
    position: absolute;
    left: 0;
    top: -556.99%;
    width: 100%;
    height: 1142.86%;
    max-width: none;
    object-fit: cover;
}

.n-ad-copy,
.n-ad-strip .n-btn {
    position: relative;
    z-index: 1;
}

.n-ad-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.n-ad-copy strong {
    font-size: var(--edn-fs-cta);
    font-weight: 700;
    line-height: 1.5;
    color: #fff;
    white-space: normal;
}

.n-ad-copy span {
    font-size: var(--edn-fs-cta-sub);
    font-weight: 400;
    line-height: 1.5;
    color: #fff;
    white-space: normal;
}

#architecture {
    background: #f7f9fa;
}

.n-ad-strip .n-btn {
    flex-shrink: 0;
    height: 46px;
    padding: 0 32px;
    font-size: var(--edn-fs-body);
    font-weight: 700;
    line-height: 1.5;
    backdrop-filter: blur(2.5px);
}

.n-section {
    padding: clamp(64px, 8vh, 96px) 0;
    background: #fff;
    scroll-margin-top: var(--edn-nav-offset, 60px);
}

.n-section-soft {
    background: var(--edn-soft);
}

#value {
    scroll-margin-top: var(--edn-nav-offset, 60px);
}

.n-section-head {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: clamp(36px, 5.5vh, 64px);
    text-align: center;
}

.n-section-head h2 {
    color: var(--edn-dark);
    font-size: var(--edn-fs-section);
    font-weight: 700;
    line-height: 1.5;
}

.n-section-head p {
    color: var(--edn-gray);
    font-size: var(--edn-fs-lead);
    font-weight: 400;
    line-height: 1.5;
}

#challenge {
    padding: clamp(64px, 8vh, 120px) 0 clamp(56px, 7vh, 96px);
}

.n-challenge-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(12px, 1.6vw, 24px);
}

.n-challenge-card {
    overflow: hidden;
    border-radius: 4px;
    background: #fff;
}

.n-challenge-card>img,
.n-challenge-card>picture img {
    display: block;
    width: 100%;
    height: clamp(120px, 16vh, 186px);
    border-radius: 4px;
    object-fit: cover;
}

.n-challenge-card>picture {
    display: block;
    width: 100%;
    line-height: 0;
}

.n-challenge-card>div {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px 24px 16px 0;
}

.n-challenge-card h3 {
    margin: 0;
    color: var(--edn-dark);
    font-size: var(--edn-fs-title);
    font-weight: 700;
    line-height: 1.5;
}

.n-challenge-card p {
    margin: 0;
    color: var(--edn-gray);
    font-size: var(--edn-fs-body);
    font-weight: 400;
    line-height: 1.5;
}

.n-architecture {
    position: relative;
    margin: 0;
    overflow: hidden;
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 12px 36px rgba(26, 54, 91, .08);
}

.n-architecture img {
    width: 100%;
}

.n-architecture picture {
    display: block;
}

.n-zoom {
    display: none;
}

.n-mobile-media {
    position: relative;
}

.n-experience .n-section-head {
    margin-bottom: 24px;
}

.n-category-tabs {
    display: flex;
    min-height: 0;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
    margin-bottom: 40px;
}

.n-category-tabs button {
    position: relative;
    padding: 12px 32px;
    border: 0;
    border-bottom: 2px solid #e3e5e6;
    background: transparent;
    color: var(--edn-gray);
    cursor: pointer;
    font-size: var(--edn-fs-tab);
    font-weight: 400;
    line-height: 1.5;
    white-space: nowrap;
}

.n-category-tabs button:hover,
.n-category-tabs button.is-active {
    border-bottom-color: var(--edn-red);
    color: var(--edn-red);
    font-weight: 400;
}

.n-rich-tabs.has-description .n-category-tabs,
.n-experience.has-description .n-category-tabs,
.n-flat-tabs .n-category-tabs {
    margin-bottom: 16px;
}

.n-rich-description {
    display: none;
    width: min(100%, var(--edn-media-w));
    max-width: 100%;
    margin: 0 auto 40px;
    color: var(--edn-gray);
    font-size: var(--edn-fs-lead);
    font-weight: 400;
    line-height: 1.5;
    text-align: center;
}

.n-rich-tabs.has-description .n-rich-description,
.n-experience.has-description .n-rich-description {
    display: block;
}


/* 有侧栏时说明与整块舞台同宽；无侧栏单图时与配图同宽 */

.n-rich-tabs:not(:has(.n-rich-stage.is-single)) .n-rich-description {
    width: 100%;
}

.n-rich-stage {
    display: grid;
    width: fit-content;
    max-width: 100%;
    height: auto;
    min-height: var(--edn-stage-h);
    margin-inline: auto;
    align-items: start;
    justify-content: center;
    grid-template-columns: 360px auto;
    column-gap: 12px;
    background: #fff;
}

.n-side-tabs {
    display: flex;
    width: 100%;
    height: auto;
    min-height: var(--edn-stage-h);
    flex-direction: column;
    justify-content: flex-start;
    gap: 12px;
    padding: 16px;
    border-radius: 8px;
    background: var(--edn-soft);
    overflow: visible;
    box-sizing: border-box;
}


/* 未选中均分剩余空间；选中按正文撑开，禁止滚动/裁切 */

.n-side-tabs button {
    position: relative;
    display: flex;
    flex: 1 1 0;
    width: 100%;
    min-height: 0;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 12px;
    padding: 28px 20px;
    border: 0;
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    text-align: left;
    box-sizing: border-box;
    overflow: visible;
}

.n-side-tabs button h3 {
    flex-shrink: 0;
    margin: 0;
    font-size: var(--edn-fs-side);
    line-height: 1.45;
    font-weight: 700;
    color: var(--edn-dark);
}

.n-side-tabs button p {
    display: none;
    margin: 0;
    min-height: 0;
    color: var(--edn-gray);
    font-size: var(--edn-fs-side-desc);
    line-height: 1.65;
    font-weight: 400;
    overflow: visible;
}

.n-side-tabs button.is-active {
    flex: 0 0 auto;
    justify-content: flex-start;
    background: #fff;
    overflow: visible;
}

.n-side-tabs button.is-active h3 {
    color: #0175e8;
}

.n-side-tabs button.is-active p {
    display: block;
    overflow: visible;
}

.n-rich-stage.is-single {
    display: block;
    width: min(100%, var(--edn-media-w));
    min-height: auto;
    margin-inline: auto;
}

.n-rich-stage.is-single .n-side-tabs {
    display: none;
}

.n-rich-stage.is-single .n-rich-panel {
    width: 100%;
    height: auto;
    min-height: 0;
}

.n-rich-stage.is-single .n-rich-panel .n-media-wrap {
    width: 100%;
    height: auto;
    max-height: var(--edn-stage-h);
    aspect-ratio: 1244 / 700;
}

.n-rich-stage.is-single .n-rich-panel .n-media-wrap img,
.n-rich-stage.is-single .n-rich-panel .n-media-wrap video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.n-rich-panel,
.n-flat-panel {
    position: relative;
    display: flex;
    width: 100%;
    align-items: center;
    overflow: hidden;
    background: transparent;
}

.n-rich-panel {
    justify-content: center;
    width: auto;
    max-width: 100%;
    min-height: var(--edn-stage-h);
    height: var(--edn-stage-h);
    align-self: stretch;
}

.n-flat-panel {
    justify-content: center;
}

.n-media-wrap {
    position: relative;
    width: 100%;
}

.n-rich-panel .n-media-wrap {
    width: auto;
    max-width: 100%;
    height: var(--edn-stage-h);
}

.n-media-wrap img,
.n-media-wrap video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: transparent;
}

.n-rich-panel .n-media-wrap img,
.n-rich-panel .n-media-wrap video {
    width: auto;
    max-width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
}

.n-media-wrap.is-click-play video {
    object-fit: contain;
    background: #c8c8c8;
}

.n-flat-panel .n-media-wrap.is-click-play {
    width: 100%;
    max-width: 1244px;
    height: auto;
    max-height: var(--edn-stage-h);
    aspect-ratio: 1244 / 700;
    margin: 0 auto;
}

.n-flat-panel .n-media-wrap.is-click-play video {
    height: 100%;
}

.n-play-btn {
    position: absolute;
    inset: 0;
    z-index: 2;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.n-play-btn::before {
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    width: 72px;
    height: 72px;
    border: 2px solid #fff;
    border-radius: 50%;
    background: rgba(0, 0, 0, .28);
    box-shadow: 0 4px 16px rgba(0, 0, 0, .25);
    content: "";
    transform: translate(-50%, -50%);
}

.n-play-btn::after {
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent #fff;
    content: "";
    transform: translate(-35%, -50%);
}

.n-play-btn[hidden] {
    display: none;
}

.n-media-note {
    display: none;
}

.n-flat-description {
    width: min(100%, var(--edn-media-w));
    max-width: 100%;
    margin: 0 auto 40px;
    color: var(--edn-gray);
    font-size: var(--edn-fs-lead);
    font-weight: 400;
    line-height: 1.5;
    text-align: center;
}

.n-flat-panel {
    width: 100%;
    min-height: 0;
}

.n-flat-panel .n-media-wrap {
    width: min(100%, var(--edn-media-w));
    max-width: 100%;
    height: auto;
    max-height: var(--edn-stage-h);
    aspect-ratio: 1244 / 700;
    margin-inline: auto;
}

.n-flat-panel .n-media-wrap img,
.n-flat-panel .n-media-wrap video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.n-mobile-rich-list,
.n-mobile-flat-list {
    display: none;
}

.n-mid-cta {
    position: relative;
    display: flex;
    height: auto;
    align-items: center;
    justify-content: center;
    gap: 80px;
    overflow: hidden;
    padding: 24px 32px;
    color: #fff;
    background: linear-gradient(110deg, #0054e6, #0b8bff);
    min-height: 120px;
}

.n-mid-cta::before {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 15% 50%, rgba(255, 255, 255, .2), transparent 30%), linear-gradient(135deg, transparent 66%, rgba(255, 255, 255, .13) 66%, transparent 68%);
    content: "";
}

.n-mid-cta>* {
    position: relative;
    z-index: 1;
}

.n-mid-cta>div {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.n-mid-cta strong {
    font-size: var(--edn-fs-cta);
    font-weight: 700;
    line-height: 1.5;
}

.n-mid-cta span {
    color: rgba(255, 255, 255, .8);
    font-size: var(--edn-fs-cta-sub);
    font-weight: 400;
    line-height: 1.5;
}


/* 相关资源下方 CTA — Figma 181:1416 */

.n-resource-cta {
    position: relative;
    display: flex;
    width: 100%;
    height: auto;
    align-items: center;
    justify-content: center;
    gap: 48px;
    overflow: hidden;
    padding: 24px 32px;
    color: #fff;
    background: #0160d1;
    min-height: 120px;
}

.n-resource-cta::before {
    display: none;
}

.n-resource-cta-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.n-resource-cta>div,
.n-resource-cta .n-btn {
    position: relative;
    z-index: 1;
}

.n-resource-cta>div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.n-resource-cta strong {
    font-size: var(--edn-fs-cta);
    font-weight: 700;
    line-height: 1.5;
    color: #fff;
    white-space: normal;
}

.n-resource-cta span {
    color: #fff;
    font-size: var(--edn-fs-cta-sub);
    font-weight: 400;
    line-height: 1.5;
    white-space: normal;
}

.n-resource-cta .n-btn {
    flex-shrink: 0;
    min-width: 0;
    height: 46px;
    padding: 0 32px;
    font-size: var(--edn-fs-body);
    font-weight: 700;
    line-height: 1.5;
    backdrop-filter: blur(2.5px);
}

.n-cases {
    position: relative;
    background: #f1f8ff url("../RJ-img/case-bg@2x.webp") center / cover no-repeat;
}

.n-cases::before {
    position: absolute;
    inset: 0;
    background: rgba(241, 248, 255, .88);
    content: "";
}

.n-cases .n-page-content {
    position: relative;
}

.n-case-feature {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: center;
    gap: clamp(32px, 5vw, 90px);
    margin-bottom: clamp(48px, 7vh, 100px);
}

.n-case-copy {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
}

.n-case-copy-text {
    display: flex;
    width: 100%;
    flex-direction: column;
    gap: 16px;
}

.n-case-copy-title {
    display: flex;
    width: 100%;
    flex-direction: column;
    gap: 4px;
}

.n-case-copy h3 {
    color: var(--edn-dark);
    font-size: var(--edn-fs-cta);
    font-weight: 700;
    line-height: 1.5;
}

.n-case-copy h4 {
    color: var(--edn-dark);
    font-size: var(--edn-fs-title);
    font-weight: 700;
    line-height: 1.5;
}

.n-case-copy p {
    color: var(--edn-gray);
    font-size: var(--edn-fs-body);
    font-weight: 400;
    line-height: 1.5;
}

.n-case-feature>img,
.n-case-media {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 696 / 400;
    overflow: hidden;
    border-radius: 8px;
}

.n-case-feature>img,
.n-case-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.n-case-media::after {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .15);
    content: "";
    pointer-events: none;
}

.n-project-page .n-outline-link {
    display: inline-flex;
    height: 40px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 24px;
    border: 1px solid var(--edn-red);
    border-radius: 23px;
    color: var(--edn-red);
    background: transparent;
    font-size: var(--edn-fs-body);
    font-weight: 400;
    line-height: 1.5;
    white-space: nowrap;
}

.n-card-grid {
    display: grid;
    gap: clamp(16px, 1.8vw, 24px);
    width: 100%;
}

.n-case-grid,
.n-product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.n-info-card,
.n-webinar-card {
    overflow: hidden;
    border-radius: 4px;
    background: #fff;
    min-width: 0;
}

.n-info-card {
    display: flex;
    height: auto;
    min-height: 0;
    flex-direction: column;
    background: var(--edn-soft);
}

.n-info-card>img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 450 / 250;
    flex-shrink: 0;
    object-fit: cover;
}

.n-info-card>div {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
    flex-direction: column;
    gap: 16px;
    padding: 16px;
}

.n-info-card h3 {
    flex-shrink: 0;
    color: var(--edn-dark);
    font-size: var(--edn-fs-title);
    font-weight: 700;
    line-height: 1.5;
}

.n-info-card p {
    margin: 0;
    flex: 1 1 auto;
    overflow: visible;
    color: var(--edn-gray);
    font-size: var(--edn-fs-body-sm);
    font-weight: 400;
    line-height: 1.5;
}

.n-project-page .n-info-card a {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    color: var(--edn-red);
    font-size: var(--edn-fs-body);
    font-weight: 400;
    line-height: 1.5;
}

.n-product-card {
    position: relative;
    display: block;
    width: 100%;
    min-width: 0;
    height: 520px;
    min-height: 520px;
    padding: 40px 24px;
    border-radius: 8px;
    background: #f7f9fa;
    overflow: hidden;
}

.n-product-card::after {
    position: absolute;
    z-index: 1;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, #f0f4fa 0%, #f0f4fa 47.26%, rgba(240, 244, 250, 0) 74.15%);
    content: "";
    pointer-events: none;
}

.n-product-card:nth-child(3)::after {
    background: linear-gradient(180deg, #f0f4fa 0%, #f0f4fa 39.26%, rgba(240, 244, 250, 0) 73.11%);
}

.n-product-card>img {
    position: absolute;
    z-index: 0;
    max-width: none;
    object-fit: cover;
}


/* Figma 12:1402 配图裁切 */

.n-product-card:first-child>img {
    top: 27.5%;
    left: -21.15%;
    width: 203.85%;
    height: 84%;
}

.n-product-card:nth-child(2)>img {
    top: 35.58%;
    left: -26.12%;
    width: 130.94%;
    height: 78.27%;
}

.n-product-card:nth-child(3)>img {
    top: 23.27%;
    left: -210.11%;
    width: 314.67%;
    height: 85.19%;
}

.n-product-card>div {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    max-width: 100%;
    padding: 0;
}

.n-product-card h3 {
    margin: 0;
    color: #0175e8;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.5;
}

.n-product-card p {
    margin: 0;
    color: #6a6b6d;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.5;
}

.n-project-page .n-product-card a {
    color: #0174e8;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.25;
    margin-top: 0;
}

.n-webinar-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
}

.n-webinar-card {
    display: flex;
    height: auto;
    min-height: 0;
    min-width: 0;
    flex-direction: column;
    padding-bottom: 0;
    background: #fff;
}

.n-webinar-card>img {
    width: 100%;
    height: auto;
    aspect-ratio: 450 / 254;
    flex-shrink: 0;
    object-fit: cover;
}

.n-webinar-card .n-meta {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 0;
    color: var(--edn-light-gray);
    font-size: var(--edn-fs-meta);
    font-weight: 400;
    line-height: normal;
}

.n-webinar-body {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 24px;
    padding: 16px;
}

.n-webinar-copy {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.n-webinar-card h3 {
    margin: 0;
    min-height: 0;
    padding: 0;
    color: var(--edn-dark);
    font-size: var(--edn-fs-title);
    font-weight: 700;
    line-height: normal;
}

.n-webinar-card p {
    margin: 0;
    min-height: 0;
    padding: 0;
    color: var(--edn-light-gray);
    font-size: var(--edn-fs-meta);
    font-weight: 400;
    line-height: 1.5;
}

.n-project-page .n-webinar-card a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    margin-top: auto;
    color: var(--edn-red);
    font-size: var(--edn-fs-body);
    font-weight: 400;
    line-height: 1.5;
}

.n-resources {
    display: grid;
    grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
    align-items: start;
    column-gap: 0;
    width: 100%;
    background: #fff;
}

.n-resource-tabs {
    display: flex;
    width: 100%;
    height: auto;
    flex-direction: column;
    flex-shrink: 0;
    padding: 0;
    border-left: 1px solid #d5d5d5;
    background: #fff;
}

.n-resource-tabs button {
    position: relative;
    flex: 0 0 auto;
    width: 100%;
    min-height: 56px;
    height: auto;
    padding: 12px 20px;
    border: 0;
    background: transparent;
    cursor: pointer;
    text-align: left;
    color: var(--edn-gray);
    font-size: var(--edn-fs-tab);
    font-weight: 400;
    line-height: 1.4;
}

.n-resource-tabs button.is-active {
    color: var(--edn-red);
    font-weight: 400;
}

.n-resource-tabs button.is-active::before {
    position: absolute;
    top: 0;
    left: -1px;
    width: 2px;
    height: 100%;
    background: var(--edn-red);
    content: "";
}

.n-resource-panel {
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: clamp(12px, 1.6vw, 24px);
    min-height: 0;
    padding: 0 0 0 16px;
}

.n-resource-panel.is-video {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-content: start;
}

.n-resource-item {
    position: relative;
    display: flex;
    flex: 0 0 calc(50% - 12px);
    width: calc(50% - 12px);
    max-width: calc(50% - 12px);
    min-width: 0;
    height: auto;
    min-height: 140px;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
    padding: clamp(16px, 1.6vw, 24px);
    border: 2px solid #fff;
    border-radius: 4px;
    background: linear-gradient(180deg, #f3f5f8, #fff);
    box-shadow: 0 6px 10px rgba(213, 219, 228, .5);
    box-sizing: border-box;
}

.n-resource-item h3 {
    display: block;
    overflow: visible;
    margin: 0;
    color: var(--edn-dark);
    font-size: var(--edn-fs-title);
    font-weight: 700;
    line-height: 1.5;
}

.n-resource-item span {
    display: block;
    flex-shrink: 0;
    color: var(--edn-red);
    font-size: var(--edn-fs-body);
    font-weight: 400;
    line-height: 1.5;
}

.n-resource-item a {
    position: absolute;
    inset: 0;
}

.n-resource-video {
    position: relative;
    display: flex;
    width: 100%;
    min-width: 0;
    max-width: none;
    flex: none;
    height: auto;
    flex-direction: column;
    overflow: hidden;
    border-radius: 4px;
    background: #fff;
}

.n-resource-video-cover {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 338 / 190;
    flex-shrink: 0;
    overflow: hidden;
    background: #1a1a1a;
}

.n-resource-video-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.n-resource-video-cover::after {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .2);
    content: "";
    pointer-events: none;
}

.n-resource-video-play {
    position: absolute;
    z-index: 1;
    top: 71px;
    left: 50%;
    width: 48px;
    height: 48px;
    margin-left: -24px;
    background: url("../RJ-img/resource-play.svg") center / contain no-repeat;
    pointer-events: none;
}

.n-resource-video-body {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 12px;
    min-height: 0;
    padding: 16px 24px 16px 0;
    background: #fff;
}

.n-resource-video-body h3 {
    margin: 0;
    color: var(--edn-dark);
    font-size: var(--edn-fs-title);
    font-weight: 400;
    line-height: 1.5;
}

.n-resource-video-body time {
    margin-top: auto;
    color: var(--edn-light-gray);
    font-size: var(--edn-fs-meta);
    font-weight: 400;
    line-height: 1.5;
}

.n-resource-video a {
    position: absolute;
    inset: 0;
}

.n-faq-list {
    border-top: 0;
}

.n-faq-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 36px 0;
    border-bottom: 1px solid #e3e5e6;
}

.n-faq-item h3 {
    margin: 0;
    color: var(--edn-dark);
    font-size: var(--edn-fs-title);
    font-weight: 700;
    line-height: normal;
}

.n-faq-item p {
    margin: 0;
    color: var(--edn-light-gray);
    font-size: var(--edn-fs-body);
    font-weight: 400;
    line-height: 1.5;
}

.n-lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 32px;
    background: rgba(0, 0, 0, .86);
}

.n-lightbox.is-open {
    display: flex;
}

.n-lightbox img {
    max-width: min(1400px, 96vw);
    max-height: 90vh;
}

.n-lightbox button {
    position: absolute;
    top: 20px;
    right: 28px;
    border: 0;
    color: #fff;
    background: transparent;
    cursor: pointer;
    font-size: 42px;
}

.n-site-footer {
    height: 595px;
    color: #858585;
    background: #242424;
    font-size: 16px;
}

.n-site-footer-inner {
    width: min(var(--edn-page), calc(100% - var(--edn-gutter)));
    height: 525px;
    margin: 0 auto;
}

.n-hotlines {
    display: grid;
    height: 110px;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    border-bottom: 1px solid #3d3d3d;
    color: #fff;
    font-size: 18px;
}

.n-hotlines span:nth-child(2) {
    text-align: center;
}

.n-hotlines span:last-child {
    text-align: right;
}

.n-hotlines em {
    font-style: italic;
}

.n-footer-columns {
    display: grid;
    height: 360px;
    grid-template-columns: 1.05fr 1.05fr 1.05fr 1.05fr 1.2fr 1fr;
    gap: 52px;
    padding-top: 60px;
}

.n-footer-columns>div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.n-footer-columns h3 {
    margin-bottom: 8px;
    color: #fff;
    font-size: 18px;
    font-weight: 400;
}

.n-footer-columns a {
    font-size: 15px;
}

.n-footer-columns a:hover {
    color: #fff;
}

.n-footer-columns .n-social {
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 66px;
}

.n-social span {
    display: inline-flex;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    border: 1px solid #fff;
    border-radius: 50%;
    color: #fff;
    font-size: 14px;
}

.n-footer-links {
    text-align: center;
}

.n-copyright {
    display: flex;
    height: 70px;
    align-items: center;
    justify-content: center;
    border-top: 1px solid #4a4a4a;
    color: #666;
}


/* ========== 768–1400 响应式（内容居中 + 随宽变化 + 一屏可读） ========== */


/* ≥1440：默认 --edn-page 1400 */


/* 1440–1679：笔记本大屏，略加宽内容、收一点边距 */

@media (min-width: 1440px) and (max-width: 1679px) {
     :root {
        --edn-page: 1480px;
        --edn-gutter: 40px;
    }
}


/* PC 中小屏：与大屏相同均分逻辑，缩小字号/内边距保证装得下 */

@media (max-width: 1439px) and (min-width: 769px) {
    .n-side-tabs {
        height: auto;
        min-height: var(--edn-stage-h);
        overflow: visible;
    }
    .n-side-tabs button {
        flex: 1 1 0;
        min-height: 0;
        overflow: visible;
    }
    .n-rich-panel {
        height: var(--edn-stage-h);
        min-height: var(--edn-stage-h);
    }
    .n-rich-panel .n-media-wrap {
        height: var(--edn-stage-h);
        min-height: var(--edn-stage-h);
    }
    .n-rich-stage.is-single .n-rich-panel .n-media-wrap {
        height: auto;
        min-height: 0;
        max-height: var(--edn-stage-h);
    }
    /* 去掉视频两侧白底；原始比例完整显示，且高度限制在一屏内 */
    .n-flat-panel,
    .n-rich-panel {
        background: transparent;
    }
    .n-flat-panel {
        height: auto;
        min-height: 0;
    }
    .n-flat-panel .n-media-wrap,
    .n-rich-panel .n-media-wrap,
    .n-media-wrap img,
    .n-media-wrap video,
    .n-media-wrap.is-click-play video {
        background: transparent;
    }
    .n-flat-panel .n-media-wrap,
    .n-flat-panel .n-media-wrap.is-click-play {
        width: var(--edn-media-w);
        max-width: 100%;
        height: auto;
        max-height: var(--edn-stage-h);
        aspect-ratio: 1244 / 700;
        margin-inline: auto;
    }
    .n-flat-panel .n-media-wrap img,
    .n-flat-panel .n-media-wrap video {
        width: 100%;
        height: 100%;
        object-fit: contain;
        background: transparent;
    }
}


/* 1280–1439：笔记本常见宽度，内容尽量铺开但两侧仍留边 */

@media (max-width: 1439px) and (min-width: 1280px) {
     :root {
        --edn-page: 1320px;
        --edn-stage-h: min(560px, calc(100vh - var(--edn-nav-offset, 146px) - 180px));
        --edn-gutter: 40px;
        --edn-fs-hero: 38px;
        --edn-fs-hero-sub: 20px;
        --edn-fs-hero-body: 15px;
        --edn-fs-section: 30px;
        --edn-fs-lead: 16px;
        --edn-fs-title: 18px;
        --edn-fs-title-lg: 20px;
        --edn-fs-body: 15px;
        --edn-fs-body-sm: 14px;
        --edn-fs-meta: 14px;
        --edn-fs-tab: 17px;
        --edn-fs-side: 20px;
        --edn-fs-side-desc: 15px;
        --edn-fs-cta: 20px;
        --edn-fs-cta-sub: 14px;
    }
    .n-banner-copy {
        width: min(680px, 100%);
    }
    .n-anchor-nav {
        height: 52px;
    }
    .n-anchor-inner {
        gap: 20px;
    }
    .n-breadcrumb {
        font-size: var(--edn-fs-meta);
        gap: 6px;
    }
    .n-anchor-links {
        gap: 18px;
        font-size: var(--edn-fs-body);
    }
    .n-category-tabs button {
        padding: 10px 24px;
        font-size: var(--edn-fs-tab);
    }
    .n-rich-stage {
        width: fit-content;
        max-width: 100%;
        margin-inline: auto;
        grid-template-columns: 360px auto;
        column-gap: 12px;
    }
    .n-side-tabs {
        height: auto;
        min-height: var(--edn-stage-h);
        gap: 12px;
        padding: 12px;
    }
    .n-side-tabs button {
        flex: 1 1 0;
        min-height: 0;
        padding: 20px 14px;
        gap: 8px;
        overflow: visible;
    }
    .n-side-tabs button.is-active {
        flex: 0 0 auto;
    }
    .n-side-tabs button h3 {
        font-size: var(--edn-fs-side);
    }
    .n-side-tabs button.is-active p {
        font-size: var(--edn-fs-side-desc);
        overflow: visible;
    }
    .n-section-head h2 {
        font-size: var(--edn-fs-section);
    }
    .n-flat-description,
    .n-rich-description {
        font-size: var(--edn-fs-lead);
        margin-bottom: 28px;
    }
    .n-mid-cta {
        gap: 48px;
        padding: 20px 28px;
    }
    .n-resource-cta {
        gap: 36px;
        height: auto;
        min-height: 100px;
    }
    .n-resource-cta strong {
        font-size: var(--edn-fs-cta);
    }
    .n-resource-cta span {
        font-size: var(--edn-fs-cta-sub);
    }
    .n-ad-strip {
        gap: 32px;
        padding: 0 40px;
    }
    .n-ad-copy strong {
        font-size: var(--edn-fs-cta);
    }
    .n-ad-copy span {
        font-size: var(--edn-fs-cta-sub);
    }
    .n-card-grid {
        gap: 18px;
    }
    .n-info-card>div {
        gap: 12px;
        padding: 14px;
    }
    .n-info-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-info-card p {
        font-size: var(--edn-fs-body);
    }
    .n-project-page .n-info-card a {
        font-size: var(--edn-fs-body);
    }
    .n-product-card {
        height: 520px;
        min-height: 520px;
        padding: 40px 24px;
    }
    .n-product-card h3 {
        font-size: 22px;
        color: #0175e8;
    }
    .n-product-card p {
        font-size: 15px;
        color: #6a6b6d;
    }
    .n-project-page .n-product-card a {
        font-size: 16px;
        color: #0174e8;
    }
    .n-webinar-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-webinar-card p,
    .n-webinar-card .n-meta {
        font-size: var(--edn-fs-meta);
    }
    .n-webinar-body {
        gap: 16px;
        padding: 14px;
    }
    .n-resource-tabs button {
        font-size: var(--edn-fs-tab);
        padding: 10px 16px;
        min-height: 52px;
    }
    .n-resource-item {
        min-height: 120px;
        padding: 18px;
        gap: 12px;
    }
    .n-resource-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-resource-item span {
        font-size: var(--edn-fs-body);
    }
    .n-resource-video-body {
        padding: 12px 16px 12px 0;
        gap: 8px;
    }
    .n-resource-video-body h3 {
        font-size: var(--edn-fs-title);
    }
    .n-resource-video-body time {
        font-size: var(--edn-fs-meta);
    }
    .n-case-copy h3 {
        font-size: var(--edn-fs-cta);
    }
    .n-case-copy h4 {
        font-size: var(--edn-fs-title);
    }
    .n-case-copy p {
        font-size: var(--edn-fs-body);
    }
    .n-faq-item {
        padding: 28px 0;
    }
    .n-faq-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-faq-item p {
        font-size: var(--edn-fs-body);
    }
}


/* 1101–1279：内容宽加宽，减少两侧留白 */

@media (max-width: 1279px) and (min-width: 1101px) {
     :root {
        --edn-page: 1200px;
        --edn-stage-h: min(480px, calc(100vh - var(--edn-nav-offset, 146px) - 160px));
        --edn-gutter: 32px;
        --edn-fs-hero: 34px;
        --edn-fs-hero-sub: 19px;
        --edn-fs-hero-body: 14px;
        --edn-fs-section: 28px;
        --edn-fs-lead: 15px;
        --edn-fs-title: 17px;
        --edn-fs-title-lg: 18px;
        --edn-fs-body: 14px;
        --edn-fs-body-sm: 14px;
        --edn-fs-meta: 14px;
        --edn-fs-tab: 16px;
        --edn-fs-side: 19px;
        --edn-fs-side-desc: 15px;
        --edn-fs-cta: 18px;
        --edn-fs-cta-sub: 14px;
    }
    .n-banner-copy {
        width: min(600px, 100%);
    }
    .n-banner-copy h1 {
        font-size: var(--edn-fs-hero);
    }
    .n-banner-copy h2 {
        font-size: var(--edn-fs-hero-sub);
    }
    .n-anchor-nav {
        height: 48px;
    }
    .n-anchor-inner {
        gap: 16px;
    }
    .n-breadcrumb {
        font-size: var(--edn-fs-meta);
        gap: 4px;
    }
    .n-anchor-links {
        gap: 14px;
        font-size: var(--edn-fs-body);
    }
    .n-category-tabs button {
        padding: 8px 16px;
        font-size: var(--edn-fs-tab);
    }
    .n-rich-stage {
        width: fit-content;
        max-width: 100%;
        margin-inline: auto;
        grid-template-columns: 360px auto;
        column-gap: 12px;
    }
    .n-side-tabs {
        height: auto;
        min-height: var(--edn-stage-h);
        padding: 10px;
        gap: 10px;
        overflow: visible;
    }
    .n-side-tabs button {
        flex: 1 1 0;
        min-height: 0;
        padding: 14px 12px;
        gap: 6px;
        overflow: visible;
    }
    .n-side-tabs button.is-active {
        flex: 0 0 auto;
    }
    .n-side-tabs button h3 {
        font-size: var(--edn-fs-side);
    }
    .n-side-tabs button.is-active p {
        font-size: var(--edn-fs-side-desc);
        line-height: 1.6;
        overflow: visible;
    }
    .n-section-head h2 {
        font-size: var(--edn-fs-section);
    }
    .n-flat-description,
    .n-rich-description {
        font-size: var(--edn-fs-lead);
        margin-bottom: 20px;
    }
    .n-ad-strip {
        gap: 24px;
        padding: 0 28px;
    }
    .n-ad-copy strong {
        font-size: var(--edn-fs-cta);
        white-space: normal;
    }
    .n-ad-copy span {
        font-size: var(--edn-fs-cta-sub);
        white-space: normal;
    }
    .n-case-feature {
        gap: 36px;
    }
    .n-case-copy h3 {
        font-size: var(--edn-fs-cta);
    }
    .n-case-copy h4 {
        font-size: var(--edn-fs-title);
    }
    .n-case-copy p {
        font-size: var(--edn-fs-body);
    }
    .n-card-grid {
        gap: 16px;
    }
    .n-info-card>div {
        gap: 10px;
        padding: 12px;
    }
    .n-info-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-info-card p {
        font-size: var(--edn-fs-body);
    }
    .n-project-page .n-info-card a {
        font-size: var(--edn-fs-body);
    }
    .n-product-card {
        height: 520px;
        min-height: 520px;
        padding: 40px 24px;
    }
    .n-product-card h3 {
        font-size: 22px;
        color: #0175e8;
    }
    .n-product-card p {
        font-size: 15px;
        color: #6a6b6d;
    }
    .n-project-page .n-product-card a {
        font-size: 16px;
        color: #0174e8;
    }
    .n-webinar-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-webinar-card p,
    .n-webinar-card .n-meta {
        font-size: var(--edn-fs-meta);
    }
    .n-webinar-body {
        gap: 12px;
        padding: 12px;
    }
    .n-resources {
        grid-template-columns: minmax(180px, 26%) minmax(0, 1fr);
    }
    .n-resource-panel {
        padding-left: 12px;
        gap: 14px;
    }
    .n-resource-tabs button {
        font-size: var(--edn-fs-tab);
        padding: 10px 14px;
        min-height: 48px;
    }
    .n-resource-item {
        min-height: 110px;
        padding: 16px;
        gap: 10px;
    }
    .n-resource-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-resource-item span {
        font-size: var(--edn-fs-body);
    }
    .n-resource-video-body {
        padding: 10px 12px 10px 0;
        gap: 6px;
    }
    .n-resource-video-body h3 {
        font-size: var(--edn-fs-title);
    }
    .n-resource-video-body time {
        font-size: var(--edn-fs-meta);
    }
    .n-faq-item {
        padding: 24px 0;
        gap: 8px;
    }
    .n-faq-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-faq-item p {
        font-size: var(--edn-fs-body);
    }
    .n-mid-cta {
        gap: 36px;
        min-height: 96px;
    }
    .n-mid-cta strong {
        font-size: var(--edn-fs-cta);
    }
    .n-resource-cta {
        gap: 28px;
        height: auto;
        padding: 0 24px;
        min-height: 96px;
    }
    .n-resource-cta strong {
        font-size: var(--edn-fs-cta);
    }
    .n-resource-cta span {
        font-size: var(--edn-fs-cta-sub);
    }
}


/* 769–1100：自适应布局，内容居中流体宽 */

@media (max-width: 1100px) and (min-width: 769px) {
     :root {
        --edn-page: 1100px;
        --edn-stage-h: min(420px, calc(100vh - var(--edn-nav-offset, 146px) - 150px));
        --edn-gutter: 28px;
        --edn-fs-hero: 32px;
        --edn-fs-hero-sub: 18px;
        --edn-fs-hero-body: 14px;
        --edn-fs-section: 28px;
        --edn-fs-lead: 15px;
        --edn-fs-title: 17px;
        --edn-fs-title-lg: 18px;
        --edn-fs-body: 14px;
        --edn-fs-body-sm: 14px;
        --edn-fs-meta: 14px;
        --edn-fs-tab: 15px;
        --edn-fs-side: 18px;
        --edn-fs-side-desc: 15px;
        --edn-fs-cta: 18px;
        --edn-fs-cta-sub: 14px;
    }
    .n-banner-copy {
        width: min(560px, 100%);
    }
    .n-banner-copy h1 {
        font-size: var(--edn-fs-hero);
    }
    .n-banner-copy h2 {
        font-size: var(--edn-fs-hero-sub);
    }
    .n-banner-copy p {
        font-size: var(--edn-fs-hero-body);
    }
    .n-banner-actions {
        gap: 12px;
    }
    .n-project-page .n-btn {
        min-width: 110px;
        height: 42px;
        padding: 0 20px;
        font-size: var(--edn-fs-body);
    }
    .n-breadcrumb {
        display: none;
    }
    .n-anchor-nav {
        height: 44px;
    }
    .n-anchor-links {
        gap: 10px;
        font-size: var(--edn-fs-body);
    }
    .n-anchor-inner {
        justify-content: center;
        gap: 0;
    }
    .n-ad-strip {
        gap: 20px;
        height: auto;
        padding: 20px 24px;
        min-height: 100px;
    }
    .n-ad-copy strong {
        font-size: var(--edn-fs-cta);
        white-space: normal;
    }
    .n-ad-copy span {
        font-size: var(--edn-fs-cta-sub);
        white-space: normal;
    }
    .n-section {
        padding: 72px 0;
    }
    .n-section-head {
        margin-bottom: 40px;
    }
    .n-section-head h2 {
        font-size: var(--edn-fs-section);
    }
    #challenge {
        padding: 72px 0 64px;
    }
    #challenge .n-section-head {
        margin-bottom: 36px;
    }
    #architecture {
        padding: 72px 0;
    }
    .n-challenge-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }
    .n-challenge-card>img,
    .n-challenge-card>picture img {
        height: auto;
        aspect-ratio: 332 / 186;
    }
    .n-challenge-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-challenge-card p {
        font-size: var(--edn-fs-body);
    }
    .n-category-tabs {
        margin-bottom: 20px;
        justify-content: center;
    }
    .n-category-tabs button {
        padding: 8px 14px;
        font-size: var(--edn-fs-tab);
    }
    .n-rich-tabs.has-description .n-category-tabs,
    .n-experience.has-description .n-category-tabs,
    .n-flat-tabs .n-category-tabs {
        margin-bottom: 8px;
    }
    .n-flat-description,
    .n-rich-description {
        font-size: var(--edn-fs-lead);
        margin-bottom: 14px;
        line-height: 1.45;
    }
    .n-rich-stage {
        width: fit-content;
        max-width: 100%;
        margin-inline: auto;
        grid-template-columns: 320px auto;
        column-gap: 12px;
        min-height: var(--edn-stage-h);
        height: auto;
    }
    .n-side-tabs {
        height: auto;
        min-height: var(--edn-stage-h);
        padding: 8px;
        gap: 8px;
        overflow: visible;
    }
    .n-side-tabs button {
        flex: 1 1 0;
        min-height: 0;
        padding: 10px 8px;
        gap: 4px;
        overflow: visible;
    }
    .n-side-tabs button h3 {
        font-size: var(--edn-fs-side);
    }
    .n-side-tabs button.is-active {
        padding: 12px 8px;
        flex: 0 0 auto;
    }
    .n-side-tabs button.is-active p {
        font-size: var(--edn-fs-side-desc);
        line-height: 1.6;
        overflow: visible;
    }
    .n-rich-panel {
        min-height: var(--edn-stage-h);
        height: var(--edn-stage-h);
    }
    .n-flat-panel {
        min-height: 0;
        height: auto;
        background: transparent;
    }
    .n-rich-panel .n-media-wrap {
        height: var(--edn-stage-h);
    }
    .n-rich-stage.is-single .n-rich-panel .n-media-wrap {
        height: auto;
        max-height: var(--edn-stage-h);
    }
    .n-flat-panel .n-media-wrap,
    .n-flat-panel .n-media-wrap.is-click-play {
        width: var(--edn-media-w);
        max-width: 100%;
        height: auto;
        max-height: var(--edn-stage-h);
        aspect-ratio: 1244 / 700;
        margin-inline: auto;
        background: transparent;
    }
    .n-flat-panel .n-media-wrap img,
    .n-flat-panel .n-media-wrap video {
        width: 100%;
        height: 100%;
        object-fit: contain;
        background: transparent;
    }
    .n-play-btn::before {
        width: 48px;
        height: 48px;
    }
    .n-play-btn::after {
        border-width: 9px 0 9px 14px;
    }
    .n-case-feature {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        margin-bottom: 48px;
    }
    .n-case-copy {
        gap: 20px;
    }
    .n-case-copy h3 {
        font-size: var(--edn-fs-cta);
    }
    .n-case-copy h4 {
        font-size: var(--edn-fs-title);
    }
    .n-case-copy p {
        font-size: var(--edn-fs-body);
    }
    .n-case-grid,
    .n-product-grid,
    .n-webinar-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .n-card-grid {
        gap: 14px;
    }
    .n-info-card>div {
        gap: 8px;
        padding: 12px;
    }
    .n-info-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-info-card p {
        font-size: var(--edn-fs-body);
        line-height: 1.45;
    }
    .n-project-page .n-info-card a {
        font-size: var(--edn-fs-body);
    }
    .n-product-card {
        height: 520px;
        min-height: 520px;
        padding: 40px 24px;
    }
    .n-product-card h3 {
        font-size: 22px;
        color: #0175e8;
    }
    .n-product-card p {
        font-size: 15px;
        color: #6a6b6d;
    }
    .n-project-page .n-product-card a {
        font-size: 16px;
        color: #0174e8;
    }
    .n-webinar-body {
        gap: 10px;
        padding: 10px;
    }
    .n-webinar-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-webinar-card p,
    .n-webinar-card .n-meta {
        font-size: var(--edn-fs-meta);
    }
    .n-resources {
        grid-template-columns: minmax(148px, 28%) minmax(0, 1fr);
    }
    .n-resource-tabs button {
        padding: 8px 12px;
        font-size: var(--edn-fs-tab);
        min-height: 44px;
    }
    .n-resource-panel {
        padding-left: 10px;
        gap: 10px;
    }
    .n-resource-item {
        flex: 1 1 100%;
        width: 100%;
        min-height: 100px;
        padding: 14px;
        gap: 8px;
    }
    .n-resource-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-resource-item span {
        font-size: var(--edn-fs-body);
    }
    .n-resource-panel.is-video {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .n-resource-video {
        width: 100%;
        flex: none;
    }
    .n-resource-video-body {
        padding: 8px 8px 8px 0;
        gap: 4px;
    }
    .n-resource-video-body h3 {
        font-size: var(--edn-fs-title);
    }
    .n-resource-video-body time {
        font-size: var(--edn-fs-side-desc);
    }
    .n-faq-item {
        padding: 20px 0;
        gap: 6px;
    }
    .n-faq-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-faq-item p {
        font-size: var(--edn-fs-body);
    }
    /* 小屏去掉视频区域背景色 */
    .n-media-wrap img,
    .n-media-wrap video,
    .n-media-wrap.is-click-play video {
        background: transparent;
    }
    .n-resource-video-cover,
    .n-resource-video-cover::after {
        background: transparent;
    }
    .n-resource-item {
        background: transparent;
        border-color: transparent;
        box-shadow: none;
    }
    .n-mid-cta {
        flex-wrap: wrap;
        gap: 20px;
        padding: 16px 20px;
        text-align: center;
        min-height: 80px;
    }
    .n-mid-cta strong {
        font-size: var(--edn-fs-cta);
    }
    .n-resource-cta {
        gap: 20px;
        height: auto;
        padding: 16px 20px;
        min-height: 88px;
    }
    .n-resource-cta strong {
        font-size: var(--edn-fs-cta);
    }
    .n-resource-cta span {
        font-size: var(--edn-fs-cta-sub);
    }
}


/* 矮屏：按设计约 2:1 约束舞台宽高，并整体收紧字号/间距 */


/* 矮屏：只收舞台高度，不额外收窄页面、不加宽边距 */

@media (max-height: 900px) and (min-width: 769px) {
     :root {
        --edn-stage-h: clamp(400px, calc(100vh - var(--edn-nav-offset, 146px) - 240px), 560px);
        --edn-page: min(1360px, calc(100% - 64px));
        --edn-gutter: 40px;
        --edn-fs-hero: 34px;
        --edn-fs-hero-sub: 19px;
        --edn-fs-hero-body: 14px;
        --edn-fs-section: 28px;
        --edn-fs-lead: 15px;
        --edn-fs-title: 17px;
        --edn-fs-title-lg: 18px;
        --edn-fs-body: 14px;
        --edn-fs-body-sm: 14px;
        --edn-fs-meta: 14px;
        --edn-fs-tab: 16px;
        --edn-fs-side: 19px;
        --edn-fs-side-desc: 15px;
        --edn-fs-cta: 18px;
        --edn-fs-cta-sub: 14px;
    }
    .n-banner {
        height: min(480px, calc(100vh - 86px));
    }
    .n-banner-content {
        gap: 20px;
    }
    .n-banner-copy {
        gap: 8px;
    }
    .n-banner-copy h1 {
        font-size: var(--edn-fs-hero);
    }
    .n-banner-copy h2 {
        font-size: var(--edn-fs-hero-sub);
    }
    .n-banner-copy p {
        margin-top: 6px;
        font-size: var(--edn-fs-hero-body);
        line-height: 1.55;
    }
    .n-banner-actions {
        gap: 16px;
    }
    .n-project-page .n-btn {
        height: 42px;
        padding: 0 24px;
        font-size: var(--edn-fs-body);
    }
    .n-ad-strip {
        height: auto;
        gap: 28px;
        padding: 0 28px;
        min-height: 96px;
    }
    .n-ad-copy strong {
        font-size: var(--edn-fs-cta);
    }
    .n-ad-copy span {
        font-size: var(--edn-fs-cta-sub);
    }
    .n-ad-strip .n-btn {
        height: 40px;
        padding: 0 24px;
        font-size: var(--edn-fs-body);
    }
    .n-section {
        padding: 64px 0;
    }
    .n-section-head {
        gap: 8px;
        margin-bottom: 36px;
    }
    .n-section-head h2 {
        font-size: var(--edn-fs-section);
    }
    .n-section-head p {
        font-size: var(--edn-fs-lead);
    }
    #challenge {
        padding: 64px 0 56px;
    }
    #architecture {
        padding: 64px 0;
    }
    .n-challenge-grid {
        gap: 16px;
    }
    .n-challenge-card>img,
    .n-challenge-card>picture img {
        height: auto;
        aspect-ratio: 332 / 186;
        object-fit: cover;
    }
    .n-challenge-card>div {
        gap: 6px;
        padding: 12px 16px 12px 0;
    }
    .n-challenge-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-challenge-card p {
        font-size: var(--edn-fs-body);
        line-height: 1.45;
    }
    .n-experience .n-section-head {
        margin-bottom: 28px;
    }
    .n-category-tabs {
        margin-bottom: 20px;
    }
    .n-category-tabs button {
        padding: 8px 18px;
        font-size: var(--edn-fs-tab);
    }
    .n-flat-description,
    .n-rich-description {
        margin-bottom: 16px;
        font-size: var(--edn-fs-lead);
        line-height: 1.5;
    }
    .n-rich-stage {
        width: fit-content;
        max-width: 100%;
        height: auto;
        min-height: var(--edn-stage-h);
        margin-inline: auto;
        grid-template-columns: 360px auto;
        column-gap: 12px;
    }
    .n-side-tabs {
        height: auto;
        min-height: var(--edn-stage-h);
        gap: 10px;
        padding: 10px;
    }
    .n-side-tabs button {
        flex: 1 1 0;
        min-height: 0;
        justify-content: center;
        padding: 12px;
        gap: 6px;
    }
    .n-side-tabs button.is-active {
        flex: 0 0 auto;
        padding: 14px 12px;
    }
    .n-side-tabs button h3 {
        font-size: var(--edn-fs-side);
    }
    .n-side-tabs button.is-active p {
        font-size: var(--edn-fs-side-desc);
        line-height: 1.6;
        overflow: visible;
    }
    .n-rich-panel,
    .n-rich-panel .n-media-wrap {
        height: var(--edn-stage-h);
        min-height: var(--edn-stage-h);
    }
    .n-rich-stage.is-single .n-rich-panel,
    .n-rich-stage.is-single .n-rich-panel .n-media-wrap {
        height: auto;
        min-height: 0;
        max-height: var(--edn-stage-h);
    }
    .n-flat-panel .n-media-wrap,
    .n-flat-panel .n-media-wrap.is-click-play {
        width: var(--edn-media-w);
        max-width: 100%;
        margin-inline: auto;
    }
    .n-mid-cta {
        gap: 40px;
        padding: 16px 28px;
        min-height: 88px;
    }
    .n-mid-cta strong {
        font-size: var(--edn-fs-cta);
    }
    .n-mid-cta span {
        font-size: var(--edn-fs-cta-sub);
    }
    .n-resource-cta {
        gap: 32px;
        height: auto;
        padding: 0 28px;
        min-height: 96px;
    }
    .n-resource-cta strong {
        font-size: var(--edn-fs-cta);
    }
    .n-resource-cta span {
        font-size: var(--edn-fs-cta-sub);
    }
    .n-resource-cta .n-btn {
        height: 40px;
        padding: 0 24px;
        font-size: var(--edn-fs-body);
    }
    .n-case-feature {
        margin-bottom: 36px;
        gap: 24px;
    }
    .n-case-copy {
        gap: 16px;
    }
    .n-case-copy h3 {
        font-size: var(--edn-fs-cta);
    }
    .n-case-copy h4 {
        font-size: var(--edn-fs-title);
    }
    .n-case-copy p {
        font-size: var(--edn-fs-body);
        line-height: 1.5;
    }
    .n-case-grid,
    .n-product-grid {
        gap: 16px;
    }
    .n-info-card>div {
        gap: 8px;
        padding: 14px;
    }
    .n-info-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-info-card p {
        font-size: var(--edn-fs-body);
        line-height: 1.45;
    }
    .n-product-card {
        height: 520px;
        min-height: 520px;
        padding: 40px 24px;
    }
    .n-product-card h3 {
        font-size: 22px;
        color: #0175e8;
    }
    .n-product-card p {
        font-size: 15px;
        color: #6a6b6d;
    }
    .n-webinar-grid {
        gap: 16px;
    }
    .n-webinar-body {
        padding: 12px;
        gap: 8px;
    }
    .n-webinar-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-webinar-card p,
    .n-webinar-card .n-meta {
        font-size: var(--edn-fs-meta);
    }
    .n-resources {
        width: 100%;
        margin-inline: 0;
        grid-template-columns: minmax(148px, 22%) minmax(0, 1fr);
        gap: 0;
    }
    .n-resource-panel {
        max-width: 100%;
        padding-left: 20px;
        gap: 12px;
    }
    .n-resource-tabs button {
        min-height: 44px;
        padding: 8px 14px;
        font-size: var(--edn-fs-tab);
    }
    .n-resource-item {
        flex: 0 0 calc(50% - 10px);
        width: calc(50% - 10px);
        max-width: none;
        min-width: 0;
        min-height: 100px;
        padding: 16px 18px;
        gap: 10px;
    }
    .n-resource-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-resource-item span {
        font-size: var(--edn-fs-body);
    }
    .n-faq-item {
        padding: 20px 0;
        gap: 6px;
    }
    .n-faq-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-faq-item p {
        font-size: var(--edn-fs-body);
        line-height: 1.55;
    }
}

@media (max-height: 780px) and (min-width: 769px) {
     :root {
        --edn-stage-h: clamp(360px, calc(100vh - var(--edn-nav-offset, 146px) - 200px), 480px);
        --edn-page: min(1280px, calc(100% - 56px));
        --edn-gutter: 36px;
        --edn-fs-hero: 30px;
        --edn-fs-hero-sub: 17px;
        --edn-fs-hero-body: 14px;
        --edn-fs-section: 26px;
        --edn-fs-lead: 14px;
        --edn-fs-title: 16px;
        --edn-fs-title-lg: 17px;
        --edn-fs-body: 14px;
        --edn-fs-body-sm: 14px;
        --edn-fs-meta: 14px;
        --edn-fs-tab: 15px;
        --edn-fs-side: 18px;
        --edn-fs-side-desc: 15px;
        --edn-fs-cta: 17px;
        --edn-fs-cta-sub: 14px;
    }
    .n-banner {
        height: min(400px, calc(100vh - 86px));
    }
    .n-banner-content {
        gap: 16px;
    }
    .n-banner-copy h1 {
        font-size: var(--edn-fs-hero);
    }
    .n-banner-copy h2 {
        font-size: var(--edn-fs-hero-sub);
    }
    .n-banner-copy p {
        margin-top: 4px;
        font-size: var(--edn-fs-hero-body);
        line-height: 1.5;
    }
    .n-banner-actions {
        gap: 12px;
    }
    .n-project-page .n-btn {
        height: 38px;
        padding: 0 18px;
        font-size: var(--edn-fs-body);
    }
    .n-ad-strip {
        height: auto;
        gap: 20px;
        padding: 0 20px;
        min-height: 84px;
    }
    .n-ad-copy strong {
        font-size: var(--edn-fs-cta);
        white-space: normal;
    }
    .n-ad-copy span {
        font-size: var(--edn-fs-cta-sub);
        white-space: normal;
    }
    .n-ad-strip .n-btn {
        height: 36px;
        padding: 0 18px;
        font-size: var(--edn-fs-body);
    }
    .n-section {
        padding: 56px 0;
    }
    .n-section-head {
        gap: 6px;
        margin-bottom: 32px;
    }
    .n-section-head h2 {
        font-size: var(--edn-fs-section);
    }
    .n-section-head p {
        font-size: var(--edn-fs-lead);
    }
    #challenge {
        padding: 56px 0 48px;
    }
    #architecture {
        padding: 56px 0;
    }
    .n-challenge-grid {
        gap: 12px;
    }
    .n-challenge-card>img,
    .n-challenge-card>picture img {
        height: auto;
        aspect-ratio: 332 / 186;
        object-fit: cover;
    }
    .n-challenge-card>div {
        gap: 4px;
        padding: 8px 8px 4px 0;
    }
    .n-challenge-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-challenge-card p {
        font-size: var(--edn-fs-body);
    }
    .n-experience .n-section-head {
        margin-bottom: 24px;
    }
    .n-category-tabs {
        margin-bottom: 16px;
    }
    .n-category-tabs button {
        padding: 6px 12px;
        font-size: var(--edn-fs-tab);
    }
    .n-flat-description,
    .n-rich-description {
        margin-bottom: 12px;
        font-size: var(--edn-fs-lead);
    }
    .n-rich-stage {
        width: fit-content;
        max-width: 100%;
        margin-inline: auto;
        height: auto;
        min-height: var(--edn-stage-h);
        grid-template-columns: 320px auto;
        column-gap: 12px;
    }
    .n-side-tabs {
        height: auto;
        min-height: var(--edn-stage-h);
        gap: 8px;
        padding: 8px;
    }
    .n-side-tabs button {
        flex: 1 1 0;
        min-height: 0;
        justify-content: center;
        padding: 10px;
        gap: 4px;
    }
    .n-side-tabs button h3 {
        font-size: var(--edn-fs-side);
    }
    .n-side-tabs button.is-active {
        flex: 0 0 auto;
        padding: 10px;
    }
    .n-side-tabs button.is-active p {
        font-size: var(--edn-fs-side-desc);
        line-height: 1.55;
    }
    .n-rich-panel,
    .n-rich-panel .n-media-wrap {
        height: var(--edn-stage-h);
        min-height: var(--edn-stage-h);
    }
    .n-rich-stage.is-single .n-rich-panel,
    .n-rich-stage.is-single .n-rich-panel .n-media-wrap {
        height: auto;
        min-height: 0;
        max-height: var(--edn-stage-h);
    }
    .n-flat-panel .n-media-wrap,
    .n-flat-panel .n-media-wrap.is-click-play {
        width: var(--edn-media-w);
        margin-inline: auto;
    }
    .n-mid-cta {
        gap: 28px;
        padding: 12px 20px;
        min-height: 72px;
    }
    .n-mid-cta strong {
        font-size: var(--edn-fs-cta);
    }
    .n-mid-cta span {
        font-size: var(--edn-fs-cta-sub);
    }
    .n-resource-cta {
        gap: 24px;
        height: auto;
        padding: 0 20px;
        min-height: 84px;
    }
    .n-resource-cta strong {
        font-size: var(--edn-fs-cta);
    }
    .n-resource-cta span {
        font-size: var(--edn-fs-cta-sub);
    }
    .n-resource-cta .n-btn {
        height: 36px;
        padding: 0 20px;
        font-size: var(--edn-fs-body);
    }
    .n-case-feature {
        margin-bottom: 28px;
        gap: 20px;
    }
    .n-case-copy {
        gap: 12px;
    }
    .n-case-copy h3 {
        font-size: var(--edn-fs-cta);
    }
    .n-case-copy h4 {
        font-size: var(--edn-fs-title);
    }
    .n-case-copy p {
        font-size: var(--edn-fs-body);
    }
    .n-case-grid,
    .n-product-grid,
    .n-webinar-grid {
        gap: 12px;
    }
    .n-info-card>div {
        gap: 6px;
        padding: 12px;
    }
    .n-info-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-info-card p {
        font-size: var(--edn-fs-body);
    }
    .n-product-card {
        height: 520px;
        min-height: 520px;
        padding: 40px 24px;
    }
    .n-product-card h3 {
        font-size: 22px;
        color: #0175e8;
    }
    .n-product-card p {
        font-size: 15px;
        color: #6a6b6d;
    }
    .n-webinar-body {
        padding: 10px;
        gap: 6px;
    }
    .n-webinar-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-webinar-card p,
    .n-webinar-card .n-meta {
        font-size: var(--edn-fs-meta);
    }
    .n-resources {
        width: 100%;
        margin-inline: 0;
        grid-template-columns: minmax(136px, 20%) minmax(0, 1fr);
        gap: 0;
    }
    .n-resource-panel {
        padding-left: 16px;
        gap: 10px;
    }
    .n-resource-tabs button {
        min-height: 40px;
        padding: 6px 12px;
        font-size: var(--edn-fs-tab);
    }
    .n-resource-item {
        flex: 0 0 calc(50% - 8px);
        width: calc(50% - 8px);
        max-width: none;
        min-height: 88px;
        padding: 14px 16px;
        gap: 8px;
    }
    .n-resource-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-resource-item span {
        font-size: var(--edn-fs-body);
    }
    .n-faq-item {
        padding: 16px 0;
        gap: 4px;
    }
    .n-faq-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-faq-item p {
        font-size: var(--edn-fs-body);
        line-height: 1.5;
    }
}

@media (max-width: 768px) {
     :root {
        --edn-fs-hero: 26px;
        --edn-fs-hero-sub: 17px;
        --edn-fs-hero-body: 14px;
        --edn-fs-section: 24px;
        --edn-fs-lead: 15px;
        --edn-fs-title: 18px;
        --edn-fs-title-lg: 18px;
        --edn-fs-body: 14px;
        --edn-fs-body-sm: 14px;
        --edn-fs-meta: 14px;
        --edn-fs-tab: 16px;
        --edn-fs-side: 20px;
        --edn-fs-side-desc: 15px;
        --edn-fs-cta: 18px;
        --edn-fs-cta-sub: 14px;
    }
    .n-page-content {
        width: calc(100% - 40px);
    }
    .n-banner {
        height: 446px;
    }
    .n-banner-media {
        object-position: right center;
    }
    .n-banner-video {
        display: none !important;
    }
    .n-banner-image {
        display: block !important;
    }
    .n-banner-shade {
        background: linear-gradient(180deg, rgba(1, 9, 25, .96) 0%, rgba(2, 12, 30, .78) 55%, rgba(2, 12, 30, .34) 100%);
    }
    .n-banner-content {
        height: 446px;
        justify-content: flex-start;
        gap: 20px;
        padding-top: 34px;
    }
    .n-banner-copy {
        width: 100%;
        gap: 8px;
    }
    .n-banner-copy h1 {
        font-size: var(--edn-fs-hero);
        line-height: 1.35;
    }
    .n-banner-copy h2 {
        font-size: var(--edn-fs-hero-sub);
    }
    .n-banner-copy p {
        margin-top: 4px;
        font-size: var(--edn-fs-hero-body);
        line-height: 1.55;
    }
    .n-banner-actions {
        gap: 8px;
        flex-wrap: wrap;
    }
    .n-banner-actions .n-btn {
        min-width: 0;
        height: 38px;
        padding: 0 16px;
        font-size: var(--edn-fs-body);
    }
    .n-anchor-nav {
        height: 50px;
        background: #f7f9fa;
    }
    .n-anchor-inner {
        position: relative;
        width: 100%;
        max-width: none;
        margin: 0;
        padding: 0;
    }
    .n-breadcrumb {
        display: none;
    }
    .n-anchor-toggle {
        display: inline-flex;
        width: auto;
        max-width: 100%;
        height: 50px;
        align-items: center;
        justify-content: flex-start;
        gap: 8px;
        margin: 0;
        padding: 0 20px;
        border: 0;
        background: transparent;
        color: #2a2b2e;
        font-size: var(--edn-fs-body);
        font-weight: 400;
        line-height: normal;
        cursor: pointer;
    }
    .n-anchor-toggle::after {
        width: 14px;
        height: 7px;
        background: url("../RJ-img/icon-chevron-anchor.svg") center / contain no-repeat;
        content: "";
        flex-shrink: 0;
        transition: transform .2s ease;
    }
    .n-anchor-toggle[aria-expanded="true"]::after {
        transform: rotate(180deg);
    }
    .n-anchor-links {
        position: absolute;
        top: 50px;
        right: 0;
        left: 0;
        display: none;
        height: auto;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 20px 16px;
        background: #f7f9fa;
        box-shadow: 0 10px 22px rgba(0, 0, 0, .08);
    }
    .n-anchor-links.is-open {
        display: flex;
    }
    .n-anchor-links a {
        height: 40px;
        border-bottom: 1px solid var(--edn-line);
        font-size: var(--edn-fs-body);
        font-weight: 400;
    }
    .n-anchor-links a::after {
        display: none;
    }
    .n-anchor-links a.is-active {
        font-weight: 700;
    }
    /* 广告条 Mobile — Figma 78:2187（真实文字 + 底图） */
    .n-ad-strip {
        height: auto;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 24px;
        padding: 32px 20px;
        text-align: left;
        background: #0054d4;
        min-height: 266px;
    }
    .n-ad-visual::after {
        display: none;
    }
    .n-ad-visual-img {
        inset: 0;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
    }
    .n-ad-copy {
        width: 100%;
        gap: 12px;
    }
    .n-ad-copy strong {
        font-size: var(--edn-fs-cta);
        font-weight: 700;
        line-height: 1.5;
        white-space: normal;
    }
    .n-ad-copy span {
        font-size: var(--edn-fs-cta-sub);
        font-weight: 400;
        line-height: 1.5;
        white-space: normal;
    }
    .n-ad-strip .n-btn {
        align-self: flex-start;
        height: 46px;
        padding: 0 32px;
        font-size: var(--edn-fs-body);
        font-weight: 700;
    }
    .n-section,
    #challenge {
        padding: 56px 0;
        scroll-margin-top: var(--edn-nav-offset, 50px);
    }
    #value {
        scroll-margin-top: var(--edn-nav-offset, 50px);
    }
    .n-section-head {
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 30px;
        text-align: left;
    }
    .n-experience .n-section-head {
        margin-bottom: 30px;
    }
    .n-section-head h2 {
        width: 100%;
        font-size: var(--edn-fs-section);
        font-weight: 700;
        line-height: 1.2;
        text-align: center;
        color: var(--edn-dark);
    }
    .n-section-head p {
        font-size: var(--edn-fs-lead);
        line-height: 1.6;
    }
    #challenge {
        padding: 80px 0;
    }
    #challenge .n-section-head {
        margin-bottom: 40px;
    }
    #challenge .n-section-head h2 {
        font-size: var(--edn-fs-section);
        line-height: 1.2;
    }
    .n-challenge-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .n-challenge-card>img,
    .n-challenge-card>picture img {
        height: auto;
        aspect-ratio: 332 / 186;
    }
    .n-challenge-card>div {
        padding: 16px 24px 16px 0;
    }
    .n-challenge-card {
        overflow: hidden;
        box-shadow: none;
    }
    .n-challenge-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-challenge-card p {
        font-size: var(--edn-fs-body);
        line-height: 1.5;
    }
    #architecture {
        padding: 80px 0;
    }
    #architecture .n-section-head {
        margin-bottom: 60px;
    }
    #architecture .n-section-head h2 {
        font-size: var(--edn-fs-section);
        line-height: 1.2;
    }
    .n-zoom {
        position: absolute;
        right: 12px;
        bottom: 12px;
        z-index: 2;
        display: block;
        width: 32px;
        height: 32px;
        padding: 0;
        border: 0;
        border-radius: 0;
        background: url("../RJ-img/icon-zoom.svg") center / contain no-repeat;
        color: transparent;
        font-size: 0;
        cursor: pointer;
    }
    .n-architecture .n-zoom,
    .n-mobile-media .n-zoom {
        display: block;
    }
    .n-rich-tabs>.n-category-tabs,
    .n-rich-description,
    .n-rich-stage,
    .n-flat-tabs>.n-category-tabs,
    .n-flat-description,
    .n-flat-panel {
        display: none;
    }
    .n-experience.has-description .n-rich-description,
    .n-experience .n-rich-stage.is-single {
        display: none;
    }
    .n-mobile-rich-list,
    .n-mobile-flat-list {
        display: block;
    }
    .n-mobile-group {
        margin-bottom: 8px;
        border-bottom: 0;
    }
    .n-mobile-group-btn,
    .n-mobile-item-btn {
        position: relative;
        display: flex;
        width: 100%;
        align-items: center;
        justify-content: space-between;
        border: 0;
        cursor: pointer;
        text-align: left;
    }
    .n-mobile-group-btn {
        min-height: 46px;
        padding: 0 12px;
        border-bottom: 1px solid transparent;
        background: #f1f3f5;
        color: #6a6b6d;
        font-size: var(--edn-fs-tab);
        font-weight: 400;
        line-height: 1.5;
    }
    .n-mobile-group.is-open>.n-mobile-group-btn {
        border-bottom-color: var(--edn-red);
        color: var(--edn-dark);
        font-weight: 700;
    }
    .n-mobile-group-btn::after {
        width: 15px;
        height: 8px;
        margin: 0;
        border: 0;
        background: url("../RJ-img/icon-chevron-down.svg") center / contain no-repeat;
        content: "";
        flex-shrink: 0;
        transition: transform .2s ease;
    }
    .n-mobile-group.is-open>.n-mobile-group-btn::after {
        content: "";
        transform: rotate(180deg);
    }
    .n-mobile-item-btn::after {
        content: "+";
        color: var(--edn-gray);
        font-size: 20px;
        line-height: 1;
    }
    .n-mobile-item.is-open>.n-mobile-item-btn::after {
        content: "−";
    }
    .n-mobile-group-body {
        display: none;
        padding: 16px 0 0;
        background: transparent;
    }
    .n-mobile-group.is-open>.n-mobile-group-body {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    .n-mobile-item {
        display: flex;
        flex-direction: column;
        overflow: visible;
        padding: 16px;
        border-radius: 8px;
        background: #f7f9fa;
        gap: 0;
    }
    .n-mobile-item-btn {
        min-height: 0;
        padding: 0;
        background: transparent;
        color: #0175e8;
        font-size: var(--edn-fs-side);
        font-weight: 700;
        line-height: 1.5;
    }
    .n-mobile-rich-list .n-mobile-item-btn {
        cursor: default;
    }
    .n-mobile-item.is-open>.n-mobile-item-btn {
        margin-bottom: 8px;
        padding-bottom: 0;
        color: #0175e8;
        font-weight: 700;
    }
    .n-mobile-item-btn::after {
        display: none;
    }
    .n-mobile-rich-list .n-mobile-item-body {
        display: block;
        padding: 0;
    }
    .n-mobile-item-body {
        display: none;
        padding: 0;
    }
    .n-mobile-item.is-open>.n-mobile-item-body {
        display: block;
    }
    .n-mobile-item-body p {
        margin: 0 0 16px;
        color: #6a6b6d;
        font-size: var(--edn-fs-body);
        font-weight: 400;
        line-height: 1.5;
    }
    .n-mobile-media img,
    .n-mobile-media video {
        width: 100%;
        height: 190px;
        object-fit: contain;
        background: transparent;
    }
    .n-mobile-media.is-click-play {
        width: 100%;
        border-radius: 4px;
        overflow: hidden;
        background: transparent;
    }
    .n-mobile-media.is-click-play video {
        height: auto;
        aspect-ratio: 16 / 9;
        object-fit: contain;
        background: transparent;
    }
    .is-click-play .n-play-btn::before {
        width: 56px;
        height: 56px;
    }
    .is-click-play .n-play-btn::after {
        border-width: 10px 0 10px 16px;
    }
    /* 小屏：体验区 / 资源视频去背景色 */
    .n-media-wrap img,
    .n-media-wrap video,
    .n-media-wrap.is-click-play video {
        background: transparent;
    }
    .n-resource-video,
    .n-resource-video-cover,
    .n-resource-video-body {
        background: transparent;
    }
    .n-resource-video-cover::after {
        display: none;
    }
    .n-resource-item {
        background: transparent;
        border-color: transparent;
        box-shadow: none;
    }
    .n-mobile-group .n-mobile-item-body p {
        padding: 0;
    }
    .n-mobile-flat-list {
        display: flex;
        flex-direction: column;
        gap: 8px;
        overflow: visible;
        border: 0;
        border-radius: 0;
        background: transparent;
    }
    .n-mobile-flat-list .n-mobile-item {
        padding: 0;
        border: 0;
        border-radius: 0;
        background: transparent;
    }
    .n-mobile-flat-list .n-mobile-item:last-child {
        border-bottom: 0;
    }
    .n-mobile-flat-list .n-mobile-item-btn {
        min-height: 46px;
        padding: 0 12px;
        border-bottom: 1px solid transparent;
        background: #f1f3f5;
        color: #6a6b6d;
        font-size: var(--edn-fs-tab);
        font-weight: 400;
        line-height: 1.5;
    }
    .n-mobile-flat-list .n-mobile-item.is-open>.n-mobile-item-btn {
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom-color: var(--edn-red);
        color: var(--edn-dark);
        font-weight: 700;
    }
    .n-mobile-flat-list .n-mobile-item-btn::after {
        display: block;
        width: 15px;
        height: 8px;
        border: 0;
        background: url("../RJ-img/icon-chevron-down.svg") center / contain no-repeat;
        color: transparent;
        font-size: 0;
        content: "";
        transform: rotate(-90deg);
        transition: transform .2s ease;
    }
    .n-mobile-flat-list .n-mobile-item.is-open>.n-mobile-item-btn::after {
        content: "";
        transform: rotate(0deg);
    }
    .n-mobile-flat-list .n-mobile-item-body {
        padding: 20px 0 12px;
    }
    .n-mobile-flat-list .n-mobile-item-body p {
        margin: 0 0 20px;
        padding: 0;
        color: var(--edn-gray);
        font-size: var(--edn-fs-body);
        line-height: 1.5;
    }
    .n-mobile-flat-list .n-mobile-media:not(.is-click-play) img,
    .n-mobile-flat-list .n-mobile-media:not(.is-click-play) video {
        height: 190px;
        object-fit: contain;
        background: transparent;
    }
    #challenge {
        min-height: 0;
    }
    #security-experience,
    #business-experience,
    #ops-experience {
        min-height: 0;
    }
    #ops-experience {
        padding-bottom: 50px;
    }
    .n-mid-cta {
        height: auto;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 16px 20px;
        min-height: 145px;
    }
    .n-mid-cta strong {
        font-size: var(--edn-fs-cta);
    }
    .n-mid-cta .n-btn {
        height: 40px;
    }
    .n-resource-cta {
        height: auto;
        min-height: 0;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 16px;
        padding: 24px 20px;
    }
    .n-resource-cta strong {
        font-size: var(--edn-fs-cta);
        white-space: normal;
    }
    .n-resource-cta span {
        font-size: var(--edn-fs-cta-sub);
        white-space: normal;
    }
    .n-resource-cta .n-btn {
        height: 40px;
        padding: 0 24px;
        font-size: var(--edn-fs-body);
    }
    .n-case-feature {
        display: flex;
        flex-direction: column-reverse;
        gap: 24px;
        margin-bottom: 42px;
    }
    .n-case-feature>img,
    .n-case-media {
        width: 100%;
        height: auto;
        aspect-ratio: 1.765 / 1;
    }
    .n-case-copy {
        gap: 20px;
    }
    .n-case-copy-text {
        gap: 12px;
    }
    .n-case-copy h3 {
        font-size: var(--edn-fs-cta);
    }
    .n-case-copy h4 {
        font-size: var(--edn-fs-title);
    }
    .n-case-copy p {
        font-size: var(--edn-fs-body);
    }
    .n-case-grid,
    .n-product-grid,
    .n-webinar-grid {
        grid-template-columns: 1fr;
    }
    .n-info-card>img {
        height: auto;
        aspect-ratio: 1.8 / 1;
    }
    .n-info-card {
        height: auto;
    }
    .n-product-card {
        height: auto;
        min-height: 480px;
        padding: 32px 20px;
    }
    .n-product-card h3 {
        font-size: 20px;
        color: #0175e8;
    }
    .n-product-card p {
        font-size: 14px;
        color: #6a6b6d;
    }
    .n-webinar-card h3,
    .n-webinar-card p {
        min-height: 0;
    }
    .n-webinar-card {
        height: auto;
        min-height: 0;
    }
    .n-webinar-card>img {
        height: auto;
        aspect-ratio: 450 / 254;
    }
    .n-webinar-card h3 {
        font-size: var(--edn-fs-title);
    }
    .n-webinar-body {
        gap: 20px;
    }
    .n-resources {
        display: block;
        height: auto;
        min-height: 0;
    }
    .n-resource-tabs {
        flex-direction: row;
        width: 100%;
        height: auto;
        overflow: hidden;
        padding: 0;
        border-left: 0;
        border-bottom: 1px solid #d5d5d5;
    }
    .n-resource-tabs button {
        flex: 1 1 0;
        width: auto;
        min-width: 0;
        height: 48px;
        min-height: 48px;
        padding: 10px 4px;
        border-right: 0;
        line-height: 1.2;
        font-size: var(--edn-fs-tab);
        white-space: nowrap;
        text-align: center;
    }
    .n-resource-tabs button.is-active::before {
        top: auto;
        right: 0;
        bottom: -1px;
        left: 0;
        width: auto;
        height: 2px;
    }
    .n-resource-panel {
        display: grid;
        grid-template-columns: 1fr;
        gap: 12px;
        min-height: 0;
        padding: 16px;
    }
    .n-resource-item {
        width: auto;
        height: auto;
        min-height: 100px;
        padding: 24px;
    }
    .n-resource-item h3 {
        font-size: var(--edn-fs-title);
    }
    .n-resource-item span {
        margin-top: 16px;
        font-size: var(--edn-fs-body);
    }
    .n-resource-panel.is-video {
        grid-template-columns: 1fr;
    }
    .n-resource-video {
        width: 100%;
        height: auto;
        min-height: 0;
        flex: none;
    }
    .n-resource-video-cover {
        height: auto;
        aspect-ratio: 338 / 190;
    }
    .n-resource-video-play {
        top: 50%;
        left: 50%;
        margin-left: 0;
        transform: translate(-50%, -50%);
    }
    .n-resource-video-body {
        padding: 12px 0;
        gap: 8px;
        min-height: 72px;
    }
    .n-resource-video-body h3 {
        font-size: var(--edn-fs-title);
    }
    .n-resource-video-body time {
        font-size: var(--edn-fs-meta);
    }
    .n-faq-item {
        padding: 24px 0;
    }
    .n-faq-item h3 {
        font-size: var(--edn-fs-title);
        line-height: 1.5;
    }
    .n-faq-item p {
        font-size: var(--edn-fs-body);
    }
    .n-lightbox {
        padding: 12px;
    }
    .n-site-header {
        display: none;
    }
    .n-site-topbar,
    .n-site-main nav,
    .n-site-search {
        display: none;
    }
    .n-site-main {
        height: 50px;
    }
    .n-site-main .n-site-inner {
        width: calc(100% - 40px);
        justify-content: space-between;
    }
    .n-site-logo {
        width: 112px;
        margin: 0;
    }
    .n-site-logo img {
        width: 112px;
        height: auto;
    }
    .n-site-menu {
        display: block;
        padding: 0;
        border: 0;
        background: transparent;
        font-size: 24px;
    }
    .n-site-footer {
        height: auto;
    }
    .n-site-footer-inner {
        width: calc(100% - 40px);
        height: auto;
    }
    .n-hotlines {
        display: flex;
        height: auto;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 28px 0;
        font-size: 14px;
    }
    .n-hotlines span:nth-child(2),
    .n-hotlines span:last-child {
        text-align: left;
    }
    .n-footer-columns {
        height: auto;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px 20px;
        padding: 32px 0;
    }
    .n-footer-columns>div:nth-child(n+5) {
        display: none;
    }
    .n-footer-columns h3 {
        font-size: var(--edn-fs-tab);
    }
    .n-footer-columns a {
        font-size: var(--edn-fs-meta);
    }
    .n-footer-links {
        padding: 24px 0;
        border-top: 1px solid #3d3d3d;
        font-size: var(--edn-fs-meta);
        line-height: 2;
    }
    .n-copyright {
        height: auto;
        padding: 20px;
        text-align: center;
        font-size: var(--edn-fs-side-desc);
        line-height: 1.6;
    }
}

@media (prefers-reduced-motion: reduce) {
    .n-project-page,
    .n-project-page *,
    .n-project-page *::before,
    .n-project-page *::after,
    .n-lightbox,
    .n-lightbox *,
    .n-lightbox *::before,
    .n-lightbox *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
}