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/* 2026-10-10：无自动轮播 标题与移动端优化 */

/* 标题与移动端优化：避免强制换行，优先由可用宽度自然平衡排版。 */
html{scroll-padding-top:88px}.hero h1,.section-heading h2,.case-head h2,.faq-layout h2,.consult h2,.language-grid h2{text-wrap:balance}.hero h1{max-width:820px;font-size:clamp(36px,4vw,58px);line-height:1.2}.section-heading h2,.case-head h2,.faq-layout h2{max-width:820px;font-size:clamp(28px,3vw,42px);line-height:1.28}.centered h2{margin-inline:auto}.case-head h2{max-width:690px}.answer-statement{max-width:440px;margin:11px 0 0;color:#516981;font-size:12px;line-height:1.75}.answer-statement strong{color:var(--navy);margin-right:6px}.case-controls>p:first-child{font-size:12px;color:#b8cfdf;margin:0}.pause-button{display:none}.primary-nav a:focus-visible,.nav-drop>summary:focus-visible,.button:focus-visible,.case-control:focus-visible,.case-thumb:focus-visible,.menu-toggle:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}

/* 将主导航在常见平板横屏宽度提前折叠，避免导航文本挤压。 */
@media(max-width:1080px){.site-header{height:70px}.nav-shell{width:min(100% - 32px,900px);gap:12px}.brand strong{font-size:15px}.nav-cta{display:none}.menu-toggle{display:block}.primary-nav{display:none;position:absolute;top:70px;left:16px;right:16px;max-height:calc(100vh - 88px);overflow:auto;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);align-items:stretch}.primary-nav.open{display:flex;flex-direction:column;gap:2px}.primary-nav>a,.nav-drop>summary{display:block;padding:11px 12px}.nav-drop{width:100%}.drop-panel,.wide-panel{position:static;width:auto;margin:3px 4px 8px;box-shadow:none;border-radius:9px;background:#f7fbff}.hero-grid{gap:28px;padding-block:64px 48px}.section{padding-block:84px}.split-heading{gap:38px}.case-head,.faq-layout{gap:34px}.gkk-story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

@media(max-width:820px){body{font-size:15px}.hero-grid{grid-template-columns:1fr;min-height:auto;padding-block:58px 30px}.hero-copy{position:relative;z-index:2}.hero h1{max-width:680px;font-size:clamp(34px,7vw,49px);letter-spacing:-.04em;margin-bottom:18px}.hero-lead{font-size:16px;line-height:1.82}.hero-visual{height:330px;max-width:560px;margin:auto}.visual-main{top:25px;right:4%;width:82%}.visual-main img{height:245px}.visual-tag{left:1%;top:52px;font-size:11px}.visual-stat{right:1%;bottom:4px}.ai-brief-grid,.split-heading,.deployment-grid,.case-head,.faq-layout,.language-grid{grid-template-columns:1fr;gap:22px}.ai-brief-grid{padding-block:28px}.ai-brief dl{grid-template-columns:1fr;gap:10px}.split-heading>p{font-size:15px;line-height:1.78}.platform-compare{grid-template-columns:1fr;gap:13px}.platform-bridge{height:32px;flex-direction:row}.platform-bridge i{height:1px;width:72px;background:linear-gradient(to right,var(--blue),var(--yellow))}.platform-bridge i:after{left:auto;right:-2px;bottom:-3px;border:4px solid transparent;border-left-color:var(--yellow)}.loop-grid,.xr-gallery{grid-template-columns:1fr;gap:15px}.loop-grid:before{display:none}.xr-feature,.xr-feature.feature-large{height:270px}.feature-large h3{font-size:21px}.deployment-intro,.deployment-steps{max-width:620px}.consult-inner{grid-template-columns:auto 1fr}.consult-inner>a{grid-column:1/-1;justify-self:start}.footer-grid{flex-direction:column;align-items:flex-start}.footer-links{justify-content:flex-start}.case-section{padding-block:76px}}

@media(max-width:560px){.container{width:min(100% - 32px,var(--container))}.site-header{height:64px}.nav-shell{width:calc(100% - 28px)}.brand img{width:36px;height:36px;border-radius:10px}.brand strong{font-size:14px}.menu-toggle{padding:6px 9px;font-size:12px}.primary-nav{top:64px;left:10px;right:10px;max-height:calc(100vh - 76px)}.primary-nav>a,.nav-drop>summary{font-size:14px;padding:10px}.drop-panel a{font-size:13px}.hero-grid{padding-block:46px 22px;gap:15px}.eyebrow{font-size:10px;letter-spacing:.09em;margin-bottom:11px}.eyebrow span{width:20px}.hero h1{font-size:clamp(31px,8.7vw,40px);line-height:1.2;margin-bottom:15px}.hero-lead{font-size:15px;line-height:1.78}.hero-actions{margin-top:24px;gap:13px}.button{padding:10px 15px;font-size:13px}.hero-points{margin-top:31px;gap:10px}.hero-points div{padding-right:10px}.hero-points dt{font-size:16px}.hero-points dd{font-size:10px;line-height:1.4;white-space:normal}.hero-visual{height:276px}.visual-main{top:22px;width:87%;padding:7px;border-radius:19px}.visual-main img{height:205px;border-radius:13px}.visual-tag{top:42px;padding:8px 10px;font-size:10px}.visual-stat{padding:10px 11px;border-radius:12px}.visual-stat strong{font-size:14px}.visual-stat span{font-size:9px}.section{padding-block:62px}.section-heading{margin-bottom:32px}.section-heading h2,.case-head h2,.faq-layout h2,.language-grid h2{font-size:clamp(25px,7.1vw,32px);line-height:1.3}.answer-statement{font-size:11px;margin-top:8px}.platform-card{padding:23px 20px}.platform-card h3{font-size:19px}.platform-card>p{font-size:13px;margin-block:18px 15px}.check-list{gap:8px}.check-list li{font-size:12px}.loop-grid li{padding:23px 21px}.xr-feature,.xr-feature.feature-large{height:235px}.feature-copy{left:17px;right:15px;bottom:15px}.feature-large h3,.feature-copy h3{font-size:18px}.subject-tags{gap:7px}.subject-tags span{font-size:11px;padding:6px 9px}.gkk-story-grid{grid-template-columns:1fr;gap:14px}.story-text{padding:15px}.language-section{padding-block:52px}.language-copy{padding-left:16px}.language-copy>p{font-size:14px}.deployment-grid{gap:30px}.deployment-steps article{padding:16px 18px}.case-head{margin-bottom:24px}.case-head>p{font-size:13px}.case-stage{aspect-ratio:4/3;border-radius:14px}.case-caption{padding:36px 14px 13px}.case-caption strong{font-size:14px;line-height:1.45}.case-control{width:36px;height:36px;font-size:19px}.case-control.prev{left:9px}.case-control.next{right:9px}.case-controls{margin:12px 0 8px}.case-rail{gap:6px}.case-thumb{width:62px;height:42px}.faq-list details{padding-inline:14px}.faq-list summary{font-size:14px;line-height:1.55}.faq-list p{font-size:13px}.consult-inner{min-height:auto;padding-block:40px;display:flex;flex-direction:column;align-items:flex-start;gap:15px}.consult h2{font-size:27px;line-height:1.3}.consult-inner>img{width:58px;height:58px;border-radius:16px}.footer-links{gap:11px}.back-top{width:39px;height:39px;right:14px;bottom:14px}}

@media(max-width:360px){.hero h1{font-size:30px}.hero-visual{height:250px}.visual-main img{height:182px}.hero-actions{align-items:flex-start;flex-direction:column}.case-controls{gap:12px}.case-controls>p{font-size:11px}}

/* XR互动教学体验区：所有场景仅在用户点击后切换，不含自动播放或自动滚动。 */
.xr-experience{background:linear-gradient(180deg,#f8fcff 0%,#edf7ff 100%);border-top:1px solid #dbeaf6;border-bottom:1px solid #dbeaf6}.xr-experience-heading{margin-bottom:42px}.xr-experience-grid{display:grid;grid-template-columns:minmax(290px,.74fr) minmax(0,1.26fr);gap:24px;align-items:stretch}.xr-mode-list{display:grid;gap:9px;align-content:start}.xr-mode-button{width:100%;display:grid;grid-template-columns:34px minmax(0,1fr);column-gap:12px;text-align:left;border:1px solid #d5e6f4;border-radius:14px;padding:14px 15px;background:#fff;color:#27445f;cursor:pointer;transition:border-color .2s,box-shadow .2s,transform .2s}.xr-mode-button:hover{transform:translateY(-2px);border-color:#78b8eb;box-shadow:0 10px 20px rgba(11,91,160,.08)}.xr-mode-button.is-active{border-color:#0c70bf;background:linear-gradient(120deg,#edf8ff,#fff);box-shadow:0 12px 25px rgba(9,96,171,.13)}.xr-mode-button span{grid-row:1/3;color:#0b71bf;font-weight:900;font-size:13px;line-height:1.4}.xr-mode-button strong{font-size:15px;line-height:1.42}.xr-mode-button small{margin-top:3px;color:#72879a;font-size:11px;line-height:1.5}.xr-stage{min-width:0;border-radius:20px;overflow:hidden;background:#072d59;box-shadow:0 17px 36px rgba(8,50,90,.16)}.xr-stage figure{height:100%;margin:0;display:grid;grid-template-rows:minmax(300px,1fr) auto}.xr-stage img{width:100%;height:100%;min-height:300px;object-fit:cover;background:#08305b}.xr-stage figcaption{position:relative;padding:20px 23px;background:#082f59;color:#fff}.xr-stage figcaption span{display:block;color:var(--yellow);font-size:11px;font-weight:800;letter-spacing:.09em;margin-bottom:4px}.xr-stage figcaption h3{margin:0;font-size:22px;line-height:1.35}.xr-stage figcaption p{margin:7px 0 0;color:#d8eaf8;font-size:13px;line-height:1.8}.xr-capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.xr-capability-grid article{background:#fff;border:1px solid #d8e8f4;border-radius:15px;padding:20px}.capability-icon{display:grid;place-items:center;width:33px;height:33px;border-radius:10px;background:#e1f2ff;color:#0872c2;font-size:11px;font-weight:900}.xr-capability-grid h3{font-size:17px;margin:12px 0 4px}.xr-capability-grid p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}.xr-device-band{display:grid;grid-template-columns:.96fr 1.04fr;gap:34px;align-items:center;margin-top:46px;padding:22px;border:1px solid #d3e6f4;border-radius:20px;background:#fff}.xr-device-band figure{margin:0;overflow:hidden;border-radius:13px;background:#e8f4fc}.xr-device-band img{width:100%;aspect-ratio:1.64;object-fit:cover}.xr-device-band h3{font-size:24px;line-height:1.4;margin:0}.xr-device-band>div>p:not(.eyebrow){font-size:14px;line-height:1.85;color:var(--muted);margin:10px 0}.xr-device-band ul{padding:0;margin:14px 0 0;list-style:none;display:grid;gap:7px}.xr-device-band li{font-size:13px;color:#3d5d76;padding-left:19px;position:relative}.xr-device-band li:before{content:"✓";position:absolute;left:0;color:#0872c2;font-weight:900}
@media(max-width:820px){.xr-experience-grid{grid-template-columns:1fr}.xr-mode-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.xr-mode-button{padding:13px}.xr-stage figure{grid-template-rows:minmax(260px,1fr) auto}.xr-capability-grid{grid-template-columns:repeat(3,1fr)}.xr-device-band{grid-template-columns:1fr;gap:22px;margin-top:32px}.xr-device-band h3{font-size:22px}}
@media(max-width:560px){.xr-experience-heading{margin-bottom:27px}.xr-mode-list{grid-template-columns:1fr}.xr-mode-button{grid-template-columns:28px minmax(0,1fr);padding:12px}.xr-mode-button strong{font-size:14px}.xr-stage{border-radius:15px}.xr-stage figure{grid-template-rows:230px auto}.xr-stage img{min-height:230px}.xr-stage figcaption{padding:16px}.xr-stage figcaption h3{font-size:19px}.xr-stage figcaption p{font-size:12px;line-height:1.7}.xr-capability-grid{grid-template-columns:1fr;gap:10px;margin-top:13px}.xr-capability-grid article{padding:16px;display:grid;grid-template-columns:35px 1fr;column-gap:12px}.xr-capability-grid h3{margin:0;align-self:end}.xr-capability-grid p{grid-column:2;margin-top:2px}.xr-device-band{padding:14px;border-radius:15px}.xr-device-band h3{font-size:20px}.xr-device-band>div>p:not(.eyebrow){font-size:13px}.xr-device-band li{font-size:12px}}

/* 双平台定位中的XR环幕展厅实景展示。 */
.xr-showroom{display:grid;grid-template-columns:minmax(0,1.16fr) minmax(280px,.84fr);gap:0;margin:30px 0 0;border:1px solid #d5e7f4;border-radius:20px;overflow:hidden;background:#f7fbff;box-shadow:0 12px 30px rgba(8,50,90,.07)}.showroom-image{background:#102e4d}.showroom-image img{width:100%;aspect-ratio:4/3;object-fit:cover}.xr-showroom figcaption{padding:36px 34px;display:flex;flex-direction:column;justify-content:center}.xr-showroom .eyebrow{margin-bottom:13px}.xr-showroom h3{margin:0;font-size:clamp(23px,2.3vw,32px);line-height:1.34;letter-spacing:-.03em}.xr-showroom figcaption>p:not(.eyebrow){margin:15px 0 0;color:var(--muted);font-size:14px;line-height:1.85}.showroom-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.showroom-tags span{padding:6px 10px;border:1px solid #cfe3f2;border-radius:999px;background:#fff;color:#24618e;font-size:12px;font-weight:700}@media(max-width:820px){.xr-showroom{grid-template-columns:1fr;margin-top:23px}.xr-showroom figcaption{padding:26px 25px}.showroom-image img{aspect-ratio:4/3}}@media(max-width:560px){.xr-showroom{border-radius:15px}.xr-showroom figcaption{padding:21px 18px}.xr-showroom h3{font-size:23px}.xr-showroom figcaption>p:not(.eyebrow){font-size:13px;margin-top:10px}.showroom-tags{margin-top:15px}.showroom-tags span{font-size:11px}}

/* XR全景课件内容库：静态可抓取的内容说明配合本地图片与动图示例。 */
.feature-civics img{object-position:center}.panorama-library{background:#f8fcff;border-top:1px solid #dcebf6;border-bottom:1px solid #dcebf6}.panorama-heading{margin-bottom:36px}.panorama-overview{display:grid;grid-template-columns:1.14fr .86fr;gap:22px;align-items:stretch;margin-bottom:24px}.panorama-copy{border:1px solid #d7e8f5;border-radius:19px;background:#fff;padding:26px 28px}.panorama-number{display:flex;align-items:baseline;gap:11px;margin:0 0 13px}.panorama-number strong{font-size:clamp(36px,4.2vw,58px);letter-spacing:-.06em;line-height:1;color:#075fb5}.panorama-number span{font-size:14px;font-weight:800;color:#46627c}.panorama-copy>p:not(.panorama-number){margin:0;color:var(--muted);font-size:14px;line-height:1.86}.panorama-list{padding:0;margin:20px 0 0;list-style:none;display:grid;gap:10px}.panorama-list li{display:grid;grid-template-columns:96px 1fr;gap:13px;align-items:baseline;padding-top:10px;border-top:1px solid #e5eef5}.panorama-list strong{font-size:13px;color:#0b5eaa}.panorama-list span{font-size:13px;color:#527087;line-height:1.65}.panorama-stats{display:grid;grid-template-columns:1fr;gap:1px;border-radius:19px;overflow:hidden;background:#093969;padding:1px}.panorama-stats div{min-height:98px;padding:18px 23px;background:linear-gradient(115deg,#073866,#075297);display:grid;align-content:center;gap:3px}.panorama-stats strong{color:var(--yellow);font-size:25px;line-height:1.1;letter-spacing:-.04em}.panorama-stats span{color:#d8eafa;font-size:13px}.panorama-gallery{display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-auto-rows:182px;gap:14px}.panorama-card{position:relative;margin:0;overflow:hidden;border-radius:16px;background:#052d58}.panorama-card.panorama-main{grid-row:span 2}.panorama-card.panorama-wide{grid-column:span 2}.panorama-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}.panorama-card:hover img{transform:scale(1.04)}.panorama-card:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(2,24,52,.86),rgba(2,24,52,.02) 62%)}.panorama-card figcaption{position:absolute;left:15px;right:15px;bottom:13px;z-index:1;color:#fff;display:grid;gap:1px}.panorama-card strong{font-size:15px}.panorama-card span{color:#d5e8f6;font-size:11px}.panorama-main strong{font-size:20px}.panorama-main span{font-size:12px}@media(max-width:820px){.panorama-overview{grid-template-columns:1fr;gap:14px}.panorama-stats{grid-template-columns:repeat(3,1fr)}.panorama-stats div{min-height:84px;padding:15px}.panorama-stats strong{font-size:20px}.panorama-stats span{font-size:11px}.panorama-gallery{grid-auto-rows:160px}}@media(max-width:560px){.panorama-heading{margin-bottom:27px}.panorama-copy{padding:20px 17px;border-radius:15px}.panorama-number{gap:8px;margin-bottom:10px}.panorama-number strong{font-size:38px}.panorama-number span{font-size:12px}.panorama-copy>p:not(.panorama-number){font-size:13px}.panorama-list{gap:8px;margin-top:15px}.panorama-list li{grid-template-columns:78px 1fr;gap:9px;padding-top:8px}.panorama-list strong,.panorama-list span{font-size:12px}.panorama-stats{border-radius:15px}.panorama-stats div{min-height:72px;padding:12px 10px}.panorama-stats strong{font-size:17px}.panorama-stats span{font-size:10px}.panorama-gallery{grid-template-columns:1fr 1fr;grid-auto-rows:138px;gap:9px}.panorama-card.panorama-main{grid-column:span 2;grid-row:span 2}.panorama-card.panorama-wide{grid-column:span 2}.panorama-card figcaption{left:11px;right:11px;bottom:10px}.panorama-card strong{font-size:12px}.panorama-card span{font-size:10px}.panorama-main strong{font-size:17px}.panorama-main span{font-size:11px}}

/* 固定咨询二维码：独立于页面文档流，滚动时始终显示于右下角。 */
.consult-qr-float{position:fixed;right:20px;bottom:20px;z-index:95;width:138px;margin:0;padding:4px;border:1px solid #d6e3ee;border-radius:12px;background:#fff;box-shadow:0 12px 30px rgba(4,32,63,.24);line-height:0}.consult-qr-float img{width:100%;height:auto;border-radius:8px}.back-top{right:178px;bottom:24px;z-index:96}@media(max-width:560px){.consult-qr-float{right:12px;bottom:12px;width:104px;padding:3px;border-radius:10px}.consult-qr-float img{border-radius:7px}.back-top{right:126px;bottom:16px}}@media(max-width:360px){.consult-qr-float{width:90px;right:9px;bottom:9px}.back-top{right:109px;bottom:13px}}

/* 纯 HTML/CSS 的数字分身制课能力区，不依赖参考图片。 */
.one-sentence-course{position:relative;overflow:hidden;color:#fff;background:radial-gradient(circle at 78% 14%,rgba(21,137,231,.36),transparent 27%),linear-gradient(118deg,#062452 0%,#083c7b 56%,#052d60 100%);isolation:isolate}.one-sentence-course:before{content:"";position:absolute;z-index:-1;inset:auto auto -230px -180px;width:520px;height:520px;border:1px solid rgba(111,223,255,.17);border-radius:50%;box-shadow:0 0 0 52px rgba(93,195,253,.035),0 0 0 108px rgba(93,195,253,.026)}.one-sentence-course:after{content:"";position:absolute;z-index:-1;inset:0;opacity:.3;background-image:linear-gradient(rgba(173,231,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(173,231,255,.08) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to right,transparent,black 42%,transparent)}.one-sentence-head{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:55px;align-items:center;margin-bottom:43px}.one-sentence-course .eyebrow{margin-bottom:14px;color:#70e9ff}.one-sentence-course .eyebrow span{background:#70e9ff}.one-sentence-course h2{max-width:830px;margin:0;color:#fff;font-size:clamp(34px,4.25vw,60px);line-height:1.14;letter-spacing:-.055em}.one-sentence-course h2 em{display:block;font-style:normal;color:#68e9ff}.one-sentence-head>div>p:not(.eyebrow){max-width:770px;margin:19px 0 0;color:#c7e3f7;font-size:16px;line-height:1.85}.one-sentence-stat{align-self:stretch;min-height:202px;display:grid;align-content:center;justify-items:start;padding:29px 31px;border:1px solid rgba(125,222,255,.4);border-radius:20px;background:linear-gradient(125deg,rgba(41,157,236,.3),rgba(7,50,105,.48));box-shadow:inset 0 1px 0 rgba(255,255,255,.1)}.one-sentence-stat strong{font-size:clamp(60px,6vw,82px);line-height:.88;letter-spacing:-.08em;color:#67ecff}.one-sentence-stat sup{font-size:.42em;letter-spacing:-.03em}.one-sentence-stat span{margin-top:10px;font-size:16px;font-weight:800;color:#fff}.one-sentence-stat small{margin-top:6px;color:#c5e5fa;font-size:11px;line-height:1.6}.one-sentence-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.one-sentence-grid article{min-height:182px;padding:24px 26px;border:1px solid rgba(157,220,255,.28);border-radius:17px;background:linear-gradient(135deg,rgba(48,116,185,.42),rgba(15,58,113,.42));box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}.one-sentence-grid article>span{color:#70eaff;font-size:12px;font-weight:900;letter-spacing:.08em}.one-sentence-grid h3{margin:17px 0 8px;font-size:20px;line-height:1.34;color:#fff}.one-sentence-grid p{margin:0;color:#d2e7f8;font-size:13px;line-height:1.78}.one-sentence-note{margin:24px 0 0;padding:14px 24px;border:1px solid rgba(101,236,255,.66);border-left:4px solid #73eaff;border-radius:14px;background:rgba(3,43,94,.34);color:#f2fbff;text-align:center;font-size:16px;font-weight:800;line-height:1.65}@media(max-width:820px){.one-sentence-head{grid-template-columns:1fr;gap:25px;margin-bottom:29px}.one-sentence-stat{min-height:auto;grid-template-columns:auto 1fr;column-gap:15px;align-items:center;padding:20px 23px}.one-sentence-stat strong{grid-row:1/3;font-size:59px}.one-sentence-stat span{margin:0;font-size:15px}.one-sentence-stat small{margin:0}.one-sentence-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.one-sentence-grid article{min-height:162px;padding:20px}.one-sentence-note{font-size:14px}}@media(max-width:560px){.one-sentence-course h2{font-size:clamp(30px,8vw,40px);line-height:1.18}.one-sentence-head>div>p:not(.eyebrow){margin-top:14px;font-size:14px}.one-sentence-head{margin-bottom:24px}.one-sentence-stat{padding:16px 18px;border-radius:15px}.one-sentence-stat strong{font-size:48px}.one-sentence-stat span{font-size:13px}.one-sentence-stat small{font-size:10px}.one-sentence-grid{grid-template-columns:1fr;gap:10px}.one-sentence-grid article{min-height:0;padding:17px 18px}.one-sentence-grid h3{margin:10px 0 4px;font-size:17px}.one-sentence-grid p{font-size:12px}.one-sentence-note{margin-top:14px;padding:12px 15px;font-size:12px;text-align:left}}
/* 首屏双平台副标题较通用眉题提高 4px，增强信息层级。 */
.hero-subtitle{font-size:16px}
@media(max-width:560px){.hero-subtitle{font-size:14px}}
/* 首屏双平台副标题提升为黄色，并在原 16px 基础上再增加 2px。 */
.eyebrow.light.hero-subtitle{color:var(--yellow);font-size:20px}
@media(max-width:560px){.eyebrow.light.hero-subtitle{font-size:18px}}