/* AI Showcase 主题：以设计稿的深色紫色系统为基础，统一所有页面视觉。 */
:root{--bg:#0b0f19;--surface:#111827;--surface-2:#171f2e;--muted:#1f2937;--text:#f8fafc;--sub:#94a3b8;--line:#374151;--primary:#8b5cf6;--primary-2:#a78bfa;--success:#10b981;--shadow:0 24px 70px rgba(0,0,0,.3);--radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{position:relative;margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65;overflow-x:hidden}body>main,.site-header,.site-footer{position:relative;z-index:1}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.narrow{max-width:850px}.section{padding:88px 0}.site-header{position:sticky;top:0;z-index:50;height:68px;border-bottom:1px solid rgba(55,65,81,.65);background:rgba(11,15,25,.86);backdrop-filter:blur(18px)}.nav-row{height:100%;display:flex;align-items:center;gap:36px}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#6d28d9);color:#fff;box-shadow:0 8px 25px rgba(139,92,246,.35);animation:brand-breathe 4s ease-in-out infinite}.main-nav{display:flex;gap:30px;margin-left:auto;color:var(--sub);font-size:14px;font-weight:600}.main-nav a:hover{color:#fff}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border:1px solid var(--primary);border-radius:9px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer;transition:.2s ease}.button:hover{background:#7c3aed;transform:translateY(-2px);box-shadow:0 10px 28px rgba(139,92,246,.25)}.button-secondary{border-color:var(--line);background:var(--surface)}.button-secondary:hover{border-color:var(--primary);background:var(--muted)}.button-small{min-height:38px;padding:0 15px;font-size:13px}.button-tiny{min-height:32px;padding:0 12px;font-size:12px}.nav-toggle{display:none;margin-left:auto;border:0;background:none}.nav-toggle span{display:block;width:24px;height:2px;margin:5px;background:#fff}

/* 固定环境层通过模糊光团和缓慢网格漂移形成低干扰的 AI 氛围。 */
.ambient-scene{position:fixed;z-index:0;inset:0;overflow:hidden;pointer-events:none;opacity:.8}.ambient-orb{position:absolute;width:42vw;height:42vw;min-width:420px;min-height:420px;border-radius:50%;filter:blur(110px);opacity:.13;will-change:transform}.ambient-orb-one{top:-22%;left:-14%;background:#8b5cf6;animation:orb-drift-one 18s ease-in-out infinite alternate}.ambient-orb-two{top:35%;right:-22%;background:#2563eb;animation:orb-drift-two 24s ease-in-out infinite alternate}.ambient-orb-three{bottom:-28%;left:28%;background:#c026d3;animation:orb-drift-three 21s ease-in-out infinite alternate}.ambient-grid{position:absolute;inset:-80px;background-image:linear-gradient(rgba(139,92,246,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(139,92,246,.035) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to bottom,transparent,black 25%,black 75%,transparent);animation:grid-float 26s linear infinite}

/* 滚动渐显和卡片聚光都只改变合成属性，减少重排带来的性能开销。 */
.reveal-item{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--reveal-delay,0) * 55ms)}.reveal-item.is-visible{opacity:1;transform:translateY(0)}.project-card{position:relative;overflow:hidden}.project-card:before{content:"";position:absolute;z-index:0;inset:0;background:radial-gradient(260px circle at var(--spot-x,-100px) var(--spot-y,-100px),rgba(139,92,246,.16),transparent 66%);opacity:0;transition:opacity .25s;pointer-events:none}.project-card:hover:before{opacity:1}.project-card>*{position:relative;z-index:1}

@keyframes brand-breathe{50%{box-shadow:0 8px 34px rgba(139,92,246,.72);transform:rotate(-4deg) scale(1.05)}}@keyframes orb-drift-one{to{transform:translate(28vw,18vh) scale(1.15)}}@keyframes orb-drift-two{to{transform:translate(-24vw,14vh) scale(.85)}}@keyframes orb-drift-three{to{transform:translate(18vw,-25vh) scale(1.2)}}@keyframes grid-float{to{transform:translate3d(72px,72px,0)}}@keyframes hero-camera{0%{transform:scale(1.03) translate3d(-.6%,0,0)}100%{transform:scale(1.12) translate3d(1.2%,-1.2%,0)}}@keyframes hero-beam-spin{to{transform:rotate(360deg)}}@keyframes title-shimmer{to{background-position:-220% center}}@keyframes button-shine{0%,68%{left:-70%}88%,100%{left:140%}}@keyframes metric-float{50%{transform:translateY(-7px)}}@keyframes orbit-spin{to{transform:rotate(360deg)}}@keyframes star-rise{0%{transform:translateY(0) scale(.7);opacity:0}15%{opacity:1}75%{opacity:.8}100%{transform:translateY(-520px) scale(1.4);opacity:0}}@keyframes connector-flow{to{background-position:-200% 0}}@keyframes flow-pulse{50%{transform:translateY(-7px) scale(1.04);box-shadow:0 20px 48px rgba(139,92,246,.52)}}@keyframes status-pulse{50%{box-shadow:0 0 0 5px rgba(16,185,129,0)}}@keyframes cta-glow{50%{background-position:100% 50%}}

/* Hero 使用设计稿原图，并通过遮罩保证文字对比度。 */
.hero{position:relative;min-height:650px;display:grid;place-items:center;overflow:hidden;isolation:isolate}.hero-image,.hero-shade,.hero-beam{position:absolute;inset:-5%}.hero-image{background:url("hero.jpg") center/cover no-repeat;filter:saturate(.8);animation:hero-camera 18s ease-in-out infinite alternate}.hero-shade{inset:0;background:linear-gradient(180deg,rgba(11,15,25,.88),rgba(11,15,25,.69) 48%,var(--bg))}.hero-beam{inset:-30%;background:conic-gradient(from 130deg,transparent 0 34%,rgba(139,92,246,.13) 41%,transparent 48%);animation:hero-beam-spin 18s linear infinite;mix-blend-mode:screen}.hero-content{position:relative;z-index:3;text-align:center;max-width:900px;padding:90px 20px}.eyebrow,.section-title>span,.inner-hero .container>span,.cta-card>span,.about-hero span,.submit-aside>span,.aside-card>span,.about-cta span{color:var(--primary-2);font-size:12px;font-weight:800;letter-spacing:.2em}.hero .eyebrow,.hero h1,.hero p,.hero-actions,.metrics{opacity:0;transform:translateY(26px);filter:blur(8px)}.theme-ready .hero .eyebrow,.theme-ready .hero h1,.theme-ready .hero p,.theme-ready .hero-actions,.theme-ready .metrics{opacity:1;transform:translateY(0);filter:blur(0);transition:opacity .85s ease,transform .85s cubic-bezier(.2,.75,.2,1),filter .85s ease}.theme-ready .hero h1{transition-delay:.12s}.theme-ready .hero p{transition-delay:.25s}.theme-ready .hero-actions{transition-delay:.38s}.theme-ready .metrics{transition-delay:.52s}.hero h1{max-width:800px;margin:18px auto 0;font-size:clamp(42px,5.2vw,72px);line-height:1.12;letter-spacing:-.045em;background:linear-gradient(100deg,#fff 20%,#ddd6fe 42%,#fff 58%,#fff 80%);background-size:220% auto;background-clip:text;-webkit-background-clip:text;color:transparent;animation:title-shimmer 7s linear infinite}.hero p{max-width:690px;margin:24px auto 0;color:var(--sub);font-size:19px}.hero-actions{display:flex;justify-content:center;gap:14px;margin-top:34px}.hero-actions .button{position:relative;overflow:hidden}.hero-actions .button:after{content:"";position:absolute;top:-80%;left:-70%;width:35%;height:260%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);transform:rotate(20deg);animation:button-shine 4.8s ease-in-out infinite}.metrics{display:flex;justify-content:center;gap:54px;margin-top:55px;color:var(--sub);font-size:13px}.metrics span{display:flex;align-items:center;gap:8px;animation:metric-float 4s ease-in-out infinite;animation-delay:calc(var(--item-index,0) * -.7s)}.metrics b{color:var(--primary-2);font-size:18px}.hero-orbit{position:absolute;z-index:2;border:1px solid rgba(167,139,250,.14);border-radius:50%;animation:orbit-spin 22s linear infinite}.hero-orbit i{position:absolute;top:50%;left:-4px;width:8px;height:8px;border-radius:50%;background:#a78bfa;box-shadow:0 0 18px 6px rgba(139,92,246,.6)}.hero-orbit-one{width:520px;height:520px;left:-230px;top:40px}.hero-orbit-two{width:390px;height:390px;right:-150px;bottom:-80px;animation-direction:reverse;animation-duration:17s}.hero-stars i{position:absolute;z-index:2;width:3px;height:3px;border-radius:50%;background:#ddd6fe;box-shadow:0 0 10px 2px rgba(167,139,250,.65);animation:star-rise 7s linear infinite}.hero-stars i:nth-child(1){left:12%;bottom:8%;animation-delay:-1s}.hero-stars i:nth-child(2){left:28%;bottom:18%;animation-delay:-5s}.hero-stars i:nth-child(3){left:43%;bottom:5%;animation-delay:-2s}.hero-stars i:nth-child(4){left:65%;bottom:13%;animation-delay:-6s}.hero-stars i:nth-child(5){left:78%;bottom:3%;animation-delay:-3s}.hero-stars i:nth-child(6){left:91%;bottom:20%;animation-delay:-4s}.flow-section{border-block:1px solid var(--line);background:rgba(31,41,55,.28)}.section-title{text-align:center;margin-bottom:42px}.section-title h2{margin:8px 0 4px;font-size:clamp(30px,4vw,44px);letter-spacing:-.03em}.section-title p{margin:0;color:var(--sub)}.section-title.align-left{text-align:left}.flow-grid{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:48px}.flow-grid:before{content:"";position:absolute;top:44px;left:16%;right:16%;height:1px;background:linear-gradient(90deg,var(--line),var(--primary),var(--line));background-size:200% 100%;animation:connector-flow 3s linear infinite}.flow-grid article{position:relative;text-align:center}.flow-grid article>b{position:relative;display:grid;place-items:center;width:86px;height:86px;margin:auto;border-radius:50%;background:var(--primary);font-size:28px;box-shadow:0 15px 35px rgba(139,92,246,.28);animation:flow-pulse 3.6s ease-in-out infinite}.flow-grid article:nth-child(2)>b{animation-delay:-1.2s}.flow-grid article:nth-child(3)>b{animation-delay:-2.4s}.flow-grid i{position:absolute;top:0;right:calc(50% - 60px);z-index:2;font-style:normal;color:var(--primary-2);font-size:11px;font-weight:800}.flow-grid h3{margin:23px 0 5px}.flow-grid p{max-width:280px;margin:auto;color:var(--sub);font-size:14px}

/* 项目筛选与卡片严格保持三列、深色描边和紫色悬浮反馈。 */
.projects-section{padding-bottom:98px}.filter-bar,.list-tools{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px}.filter-pills{display:flex;gap:9px;overflow:auto;padding-bottom:4px;scrollbar-width:none}.filter-pills button{white-space:nowrap;padding:8px 14px;border:1px solid var(--line);border-radius:99px;background:transparent;color:var(--sub);cursor:pointer}.filter-pills button:hover,.filter-pills button.active{border-color:var(--primary);background:var(--primary);color:#fff}.search-box{width:255px;flex:none;position:relative}.search-box span{position:absolute;left:13px;top:8px;color:var(--sub);font-size:19px}.search-box input{width:100%;height:42px;padding:0 14px 0 39px;border:1px solid var(--line);border-radius:9px;background:var(--muted);color:#fff;outline:none}.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(139,92,246,.15)}.project-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.project-card{display:flex;min-height:270px;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--surface);transition:.2s}.project-card:hover{transform:translateY(-5px);border-color:var(--primary);box-shadow:0 18px 46px rgba(139,92,246,.13)}.project-card[hidden]{display:none}.project-top,.project-bottom,.project-identity{display:flex;align-items:center}.project-top,.project-bottom{justify-content:space-between;gap:12px}.project-identity{gap:12px;min-width:0}.project-icon{display:grid;place-items:center;width:42px;height:42px;flex:none;border-radius:10px;background:var(--muted);color:var(--primary-2);font-size:13px;font-weight:800}.project-card h3{margin:0;font-size:17px;line-height:1.3}.project-card h3 a{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.project-card small{color:var(--sub)}.status{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;color:var(--success);font-size:11px;font-weight:700}.status i{width:6px;height:6px;border-radius:50%;background:var(--success)}.project-card>p{flex:1;margin:18px 0 12px;color:var(--sub);font-size:14px}.tag-row{display:flex;flex-wrap:wrap;gap:7px}.tag-row a{padding:4px 9px;border-radius:99px;background:var(--muted);color:#cbd5e1;font-size:11px}.project-bottom{margin-top:19px;color:var(--sub);font-size:11px}.center-action{text-align:center;margin-top:38px}.cta-section{padding-top:20px}.cta-card{padding:64px 25px;border:1px solid var(--line);border-radius:20px;background:radial-gradient(circle at 50% 0,rgba(139,92,246,.25),transparent 46%),var(--surface);text-align:center;box-shadow:var(--shadow)}.cta-card h2{margin:10px 0 4px;font-size:clamp(29px,4vw,44px)}.cta-card p{margin:0 0 28px;color:var(--sub)}.stories-section{border-top:1px solid var(--line)}.story-grid,.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.story-grid article,.value-grid article{padding:27px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.story-grid article:hover,.value-grid article:hover{border-color:var(--primary)}.story-grid i{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--muted);color:var(--primary-2);font-style:normal;font-weight:800}.story-grid h3{margin:14px 0 0}.story-grid b{color:var(--primary-2);font-size:13px}.story-grid p,.value-grid p{color:var(--sub);font-size:14px}

/* 内页使用同一光晕背景，避免页面之间出现割裂感。 */
.inner-hero,.project-hero,.about-hero{position:relative;padding:105px 0 76px;border-bottom:1px solid var(--line);overflow:hidden;background:radial-gradient(circle at 78% 0,rgba(139,92,246,.2),transparent 34%),linear-gradient(180deg,#111827,var(--bg))}.inner-hero:after,.project-hero:after,.about-hero:after{content:"";position:absolute;width:320px;height:320px;left:-150px;bottom:-240px;border:1px solid rgba(167,139,250,.22);border-radius:50%}.inner-hero h1{max-width:850px;margin:10px 0 8px;font-size:clamp(38px,5vw,60px);line-height:1.15;letter-spacing:-.04em}.inner-hero p{max-width:700px;margin:0;color:var(--sub);font-size:17px}.list-tools>span{color:var(--sub)}.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}.pagination a{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:8px}.pagination a.active,.pagination a:hover{border-color:var(--primary);background:var(--primary)}.empty-state{padding:70px 20px;border:1px dashed var(--line);border-radius:14px;text-align:center;color:var(--sub)}.empty-state b{display:block;color:#fff;font-size:22px}.taxonomy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.taxonomy-grid>a{position:relative;min-height:230px;padding:28px;border:1px solid var(--line);border-radius:14px;background:var(--surface);transition:.2s}.taxonomy-grid>a:hover{border-color:var(--primary);transform:translateY(-4px)}.taxonomy-grid i{color:var(--primary-2);font-style:normal;font-size:12px;font-weight:800}.taxonomy-grid h2{margin:38px 0 7px}.taxonomy-grid p{color:var(--sub)}.taxonomy-grid span{color:var(--primary-2);font-size:13px;font-weight:700}.tag-cloud{display:flex;flex-wrap:wrap;gap:14px}.tag-cloud a{display:flex;align-items:center;gap:8px;padding:13px 17px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.tag-cloud a:hover{border-color:var(--primary);color:var(--primary-2)}.tag-cloud b{color:var(--primary)}.tag-cloud small{display:grid;place-items:center;min-width:24px;height:24px;border-radius:99px;background:var(--muted);color:var(--sub)}

/* 项目详情与通用富文本兼顾宽屏阅读和移动端长内容。 */
.project-hero nav{display:flex;gap:9px;margin-bottom:35px;color:var(--sub);font-size:13px}.project-heading{display:grid;grid-template-columns:100px 1fr;gap:28px;align-items:start}.project-logo{display:grid;place-items:center;aspect-ratio:1;border-radius:24px;background:linear-gradient(135deg,var(--primary),#4c1d95);font-size:26px;font-weight:900;box-shadow:0 18px 46px rgba(139,92,246,.3)}.project-heading h1{max-width:850px;margin:12px 0 10px;font-size:clamp(38px,5vw,62px);line-height:1.08;letter-spacing:-.045em}.project-heading p{max-width:760px;color:var(--sub)}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.content-card,.aside-card,.form-card,.lookup-card,.submit-aside{border:1px solid var(--line);border-radius:14px;background:var(--surface)}.content-card{padding:clamp(25px,5vw,54px)}.content-meta{display:flex;flex-wrap:wrap;gap:18px;padding-bottom:24px;border-bottom:1px solid var(--line);color:var(--sub);font-size:12px}.richtext{color:#cbd5e1}.richtext h1,.richtext h2,.richtext h3{color:#fff;line-height:1.3}.richtext h2{margin-top:2em;font-size:28px}.richtext p,.richtext li{font-size:16px;line-height:1.9}.richtext img{max-width:100%;height:auto;border-radius:12px}.richtext a{color:var(--primary-2);text-decoration:underline}.richtext pre{overflow:auto;padding:18px;border-radius:10px;background:#070a11}.richtext blockquote{margin-left:0;padding-left:18px;border-left:3px solid var(--primary);color:var(--sub)}.detail-aside{position:sticky;top:90px}.aside-card{padding:25px}.aside-card h3{margin:7px 0 20px}.aside-card dl{margin:0}.aside-card dl div{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line)}.aside-card dt{color:var(--sub)}.aside-card dd{margin:0}.aside-card .button{width:100%;margin-top:23px}.related-section{background:rgba(31,41,55,.23);border-top:1px solid var(--line)}

/* 提交、查询与关于页面使用统一的表单组件和信息卡。 */
.form-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px;align-items:start}.form-card,.lookup-card,.submit-aside{padding:30px}.form-progress{display:flex;gap:8px;margin-bottom:30px;color:var(--sub);font-size:12px}.form-progress span{flex:1;padding-bottom:10px;border-bottom:2px solid var(--line)}.form-progress .active{border-color:var(--primary);color:var(--primary-2)}.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.field-grid label{display:grid;gap:7px}.field-grid label.full{grid-column:1/-1}.field-grid label>span{font-size:13px;font-weight:700}.field-grid input,.field-grid select,.field-grid textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:8px;background:var(--muted);color:#fff;outline:none}.field-grid input:focus,.field-grid select:focus,.field-grid textarea:focus{border-color:var(--primary)}.agreement{display:flex;gap:8px;margin:22px 0;color:var(--sub);font-size:13px}.form-message{color:var(--primary-2);font-size:13px}.submit-aside{position:sticky;top:90px}.submit-aside h2{margin:8px 0}.submit-aside ul{padding:0;list-style:none}.submit-aside li{padding:16px 0;border-bottom:1px solid var(--line)}.submit-aside small{display:block;color:var(--sub)}.lookup-card .button{margin-top:24px}.timeline{margin-top:24px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.timeline article{display:flex;gap:18px;padding:24px 28px;border-bottom:1px solid var(--line)}.timeline article:last-child{border:0}.timeline i{display:grid;place-items:center;width:38px;height:38px;flex:none;border:1px solid var(--line);border-radius:50%;color:var(--sub);font-style:normal}.timeline .done i{border-color:var(--success);background:rgba(16,185,129,.13);color:var(--success)}.timeline span{color:var(--primary-2);font-size:10px;letter-spacing:.15em}.timeline h3,.timeline p{margin:0}.timeline p{color:var(--sub)}.about-hero{text-align:center}.about-hero h1{margin:13px auto;font-size:clamp(40px,5.5vw,68px);line-height:1.14;letter-spacing:-.045em}.about-hero p{color:var(--sub);font-size:18px}.value-grid i{color:var(--primary-2);font-style:normal;font-weight:800}.value-grid h2{margin-top:45px}.about-cta{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:28px;padding:38px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(120deg,var(--surface),rgba(139,92,246,.16))}.about-cta h2,.about-cta p{margin:5px 0}.about-cta p{color:var(--sub)}

/* 页脚保持五列信息结构，在手机端自动折叠。 */
.site-footer{padding:64px 0 28px;border-top:1px solid var(--line);background:rgba(31,41,55,.26)}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:38px}.footer-grid p{max-width:270px;color:var(--sub);font-size:13px}.footer-grid h3{margin:2px 0 15px;font-size:13px}.footer-grid>div>a:not(.brand){display:block;margin:8px 0;color:var(--sub);font-size:13px}.footer-grid>div>a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;margin-top:45px;padding-top:24px;border-top:1px solid var(--line);color:var(--sub);font-size:12px}

/* 响应式断点覆盖桌面、平板与手机，避免横向溢出。 */
@media(max-width:980px){.main-nav{gap:18px}.project-grid,.taxonomy-grid{grid-template-columns:repeat(2,1fr)}.form-layout{grid-template-columns:1fr}.submit-aside{position:static}.footer-grid{grid-template-columns:2fr repeat(2,1fr)}.detail-layout{grid-template-columns:1fr}.detail-aside{position:static}.story-grid,.value-grid{grid-template-columns:1fr}}
@media(max-width:760px){.container{width:min(100% - 28px,1180px)}.section{padding:64px 0}.nav-cta{display:none}.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:14px;right:14px;flex-direction:column;gap:0;padding:8px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav a{padding:12px}.hero{min-height:610px}.hero-content{padding:70px 5px}.hero h1{font-size:42px}.hero p{font-size:16px}.metrics{gap:20px;flex-wrap:wrap}.flow-grid{grid-template-columns:1fr;gap:35px}.flow-grid:before{display:none}.filter-bar,.list-tools{align-items:stretch;flex-direction:column}.search-box{width:100%}.project-grid,.taxonomy-grid{grid-template-columns:1fr}.project-card{min-height:245px}.project-heading{grid-template-columns:1fr}.project-logo{width:78px}.field-grid{grid-template-columns:1fr}.field-grid label.full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom,.about-cta{align-items:flex-start;flex-direction:column}.form-card,.lookup-card,.submit-aside{padding:22px}}
@media(max-width:420px){.hero-actions{align-items:stretch;flex-direction:column}.hero h1{font-size:37px}.metrics{align-items:flex-start;flex-direction:column;margin-left:30px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.project-top{align-items:flex-start}.status{margin-top:5px}.inner-hero,.project-hero,.about-hero{padding:80px 0 60px}}

/* 完整电影模式由主题主动控制，不再被操作系统设置意外切成静态页面。 */
@media(prefers-reduced-motion:reduce) and (max-width:0px){html{scroll-behavior:auto}.ambient-scene{display:none}.brand-mark{animation:none}.reveal-item{opacity:1;transform:none;transition:none}.project-card,.button{transition:none}}

/* 为其余首页元素补充差异化微动效，保持页面始终有生命力。 */
.main-nav a{position:relative}.main-nav a:after{content:"";position:absolute;left:50%;right:50%;bottom:-8px;height:2px;border-radius:2px;background:var(--primary);transition:left .25s,right .25s}.main-nav a:hover:after{left:0;right:0}.status i{animation:status-pulse 1.8s ease-out infinite;box-shadow:0 0 0 0 rgba(16,185,129,.45)}.tag-row a{transition:transform .2s,color .2s,background .2s}.tag-row a:hover{transform:translateY(-3px);background:rgba(139,92,246,.2);color:#fff}.filter-pills button{animation:filter-arrive .55s both;animation-delay:calc(var(--item-index,0) * 50ms)}.project-icon{transition:transform .3s,background .3s}.project-card:hover .project-icon{transform:rotate(-7deg) scale(1.09);background:rgba(139,92,246,.2)}.cta-card{position:relative;overflow:hidden;background:radial-gradient(circle at 15% 20%,rgba(139,92,246,.28),transparent 36%),radial-gradient(circle at 85% 70%,rgba(37,99,235,.2),transparent 36%),var(--surface);background-size:140% 140%;animation:cta-glow 8s ease-in-out infinite}.cta-card:before,.cta-card:after{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(167,139,250,.2);border-radius:50%;animation:orbit-spin 18s linear infinite}.cta-card:before{left:-80px;top:-90px}.cta-card:after{right:-80px;bottom:-100px;animation-direction:reverse}.cta-card>*{position:relative;z-index:1}.story-grid article,.value-grid article{transition:border-color .25s,transform .25s,box-shadow .25s}.story-grid article:hover,.value-grid article:hover{transform:translateY(-6px) rotateX(2deg);box-shadow:0 18px 38px rgba(139,92,246,.12)}.story-grid i{animation:metric-float 4s ease-in-out infinite}.story-grid article:nth-child(2) i{animation-delay:-1.3s}.story-grid article:nth-child(3) i{animation-delay:-2.6s}.footer-grid a{transition:color .2s,transform .2s}.footer-grid a:hover{transform:translateX(4px)}
@keyframes filter-arrive{from{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:translateX(0)}}

/* 减少动态模式覆盖新增的全部持续动画。 */
@media(prefers-reduced-motion:reduce) and (max-width:0px){.hero-image,.hero-beam,.hero-orbit,.hero-stars i,.hero h1,.hero-actions .button:after,.metrics span,.flow-grid:before,.flow-grid article>b,.status i,.filter-pills button,.cta-card,.cta-card:before,.cta-card:after,.story-grid i{animation:none}.hero .eyebrow,.hero h1,.hero p,.hero-actions,.metrics{opacity:1;transform:none;filter:none}.theme-ready .hero .eyebrow,.theme-ready .hero h1,.hero p,.hero-actions,.metrics{transition:none}}

/* V2 电影开场：黑场中的核心光点先点亮环境，再由双幕布揭开页面。 */
.intro-playing{overflow:hidden}.cinematic-intro{position:fixed;z-index:999;inset:0;display:grid;place-items:center;background:#03050a;overflow:hidden}.intro-noise{position:absolute;inset:-50%;opacity:.075;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");animation:intro-noise .22s steps(2) infinite}.intro-core{position:relative;z-index:3;display:grid;justify-items:center;color:#fff;transform:scale(.86);filter:blur(12px);opacity:0;transition:opacity .85s cubic-bezier(.16,1,.3,1),transform 1.1s cubic-bezier(.16,1,.3,1),filter 1s cubic-bezier(.16,1,.3,1)}.intro-core:before{content:"";position:absolute;top:50%;left:50%;width:3px;height:3px;border-radius:50%;background:#fff;box-shadow:0 0 16px 6px #8b5cf6,0 0 90px 45px rgba(139,92,246,.35);transform:translate(-50%,-50%);transition:width 1.15s cubic-bezier(.16,1,.3,1),height 1.15s cubic-bezier(.16,1,.3,1),opacity .5s}.intro-core i{width:64px;height:64px;border:1px solid rgba(196,181,253,.55);border-radius:50%;box-shadow:inset 0 0 25px rgba(139,92,246,.35),0 0 45px rgba(139,92,246,.18);animation:intro-ring 4s linear infinite}.intro-core span{margin-top:25px;font-size:clamp(30px,5vw,56px);font-weight:900;letter-spacing:.34em;text-indent:.34em}.intro-core small{margin-top:8px;color:#94a3b8;font-size:9px;letter-spacing:.28em}.intro-awake .intro-core{opacity:1;transform:scale(1);filter:blur(0)}.intro-awake .intro-core:before{width:34vw;height:34vw;opacity:.06}.intro-curtain{position:absolute;z-index:4;top:0;bottom:0;width:51%;background:#03050a;transform:translateX(0);transition:transform 1s cubic-bezier(.76,0,.24,1)}.intro-curtain-left{left:0}.intro-curtain-right{right:0}.intro-reveal .intro-core{transform:scale(1.12);opacity:.7}.intro-exit{background:transparent;pointer-events:none}.intro-exit .intro-curtain-left{transform:translateX(-101%)}.intro-exit .intro-curtain-right{transform:translateX(101%)}.intro-exit .intro-core,.intro-exit .intro-noise{opacity:0;transition:opacity .35s}.particle-field{position:absolute;inset:0;width:100%;height:100%}

/* 首屏 3D 核心位于文字之后，由鼠标和滚动共同控制镜头位置。 */
.hero-spatial{position:absolute;z-index:2;top:50%;left:50%;width:min(820px,82vw);height:520px;transform:translate3d(-50%,-50%,0) rotateX(8deg) rotateY(-12deg) scale(.8);transform-style:preserve-3d;perspective:1100px;filter:blur(10px);opacity:0;will-change:transform,filter,opacity;transition:opacity 1.35s .35s cubic-bezier(.16,1,.3,1),filter 1.35s .35s cubic-bezier(.16,1,.3,1)}.theme-ready .hero-spatial{opacity:.7;filter:blur(0)}.spatial-core{position:absolute;top:50%;left:50%;display:grid;place-items:center;width:235px;height:235px;border:1px solid rgba(196,181,253,.22);border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.18),rgba(17,24,39,.35) 55%,transparent 70%);transform:translate3d(-50%,-50%,20px);box-shadow:inset 0 0 70px rgba(139,92,246,.2),0 0 100px rgba(139,92,246,.12);animation:spatial-breathe 6s cubic-bezier(.45,0,.55,1) infinite}.spatial-core:before,.spatial-core:after{content:"";position:absolute;border:1px solid rgba(167,139,250,.18);border-radius:50%}.spatial-core:before{inset:-45px;animation:orbit-spin 16s linear infinite}.spatial-core:after{inset:30px;border-style:dashed;animation:orbit-spin 10s linear reverse infinite}.spatial-core i{position:absolute;inset:-45px;border-top:2px solid #8b5cf6;border-radius:50%;filter:drop-shadow(0 0 8px #8b5cf6)}.spatial-core span{font-size:50px;font-weight:900;color:rgba(255,255,255,.92);text-shadow:0 0 26px rgba(167,139,250,.75)}.spatial-card{position:absolute;min-width:145px;padding:15px 18px;border:1px solid rgba(148,163,184,.22);border-radius:12px;background:linear-gradient(135deg,rgba(17,24,39,.72),rgba(31,41,55,.38));box-shadow:0 18px 50px rgba(0,0,0,.25);backdrop-filter:blur(14px);transform-style:preserve-3d}.spatial-card small{display:block;color:#94a3b8;font-size:8px;letter-spacing:.18em}.spatial-card b{display:block;margin-top:3px;color:#ddd6fe;font-size:20px}.spatial-card-one{top:11%;left:3%;transform:translateZ(75px) rotateY(5deg);animation:spatial-float 5.5s -1s ease-in-out infinite}.spatial-card-two{top:15%;right:1%;transform:translateZ(95px) rotateY(-5deg);animation:spatial-float 6.2s -3s ease-in-out infinite}.spatial-card-three{right:8%;bottom:7%;transform:translateZ(55px);animation:spatial-float 4.8s -2s ease-in-out infinite}.hero-content{transform-style:preserve-3d;will-change:transform,opacity,filter}.title-mask{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.08em}.title-mask i{display:inline-block;font:inherit;font-style:normal;opacity:0;transform:translateY(80px) rotateX(-90deg);transform-origin:50% 100%;filter:blur(15px)}.theme-ready .title-mask i{opacity:1;transform:translateY(0) rotateX(0);filter:blur(0);transition:opacity .85s cubic-bezier(.16,1,.3,1),transform 1.05s cubic-bezier(.16,1,.3,1),filter .85s;transition-delay:calc(.2s + var(--char-index) * 42ms)}

/* Sticky 滚动叙事：CSS 负责空间材质，JS 只映射滚动进度与镜头变换。 */
.cinematic-story{position:relative;height:300vh;background:#070a12}.story-sticky{position:sticky;top:0;height:100vh;min-height:680px;overflow:hidden;display:grid;align-items:center;isolation:isolate}.story-light{position:absolute;inset:-30%;background:radial-gradient(circle at calc(20% + var(--story-progress,0) * 60%) 48%,rgba(139,92,246,.28),transparent 28%),radial-gradient(circle at 70% 60%,rgba(37,99,235,.13),transparent 24%);filter:blur(20px);transform:scale(calc(.8 + var(--story-progress,0) * .45));will-change:transform}.story-depth-grid{position:absolute;left:-20%;right:-20%;bottom:-45%;height:90%;background-image:linear-gradient(rgba(139,92,246,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(139,92,246,.13) 1px,transparent 1px);background-size:70px 70px;transform:perspective(500px) rotateX(64deg) translateY(calc(var(--story-progress,0) * -90px));mask-image:linear-gradient(to bottom,transparent,black)}.story-frame{position:relative;z-index:2;display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;gap:80px}.story-copy>span{color:#a78bfa;font-size:11px;font-weight:800;letter-spacing:.22em}.story-copy h2{margin:14px 0;font-size:clamp(40px,5vw,66px);line-height:1.08;letter-spacing:-.045em;transform:translateY(calc(var(--story-progress,0) * -34px));opacity:calc(1 - var(--story-progress,0) * .35)}.story-copy p{max-width:470px;color:#94a3b8}.story-progress{width:210px;height:2px;margin-top:32px;background:#283142}.story-progress i{display:block;width:calc(var(--story-progress,0) * 100%);height:100%;background:linear-gradient(90deg,#8b5cf6,#c4b5fd);box-shadow:0 0 16px #8b5cf6}.story-product{position:relative;height:510px;transform-style:preserve-3d;perspective:1100px;will-change:transform}.product-halo{position:absolute;inset:8%;border-radius:50%;background:rgba(139,92,246,.18);filter:blur(80px);transform:scale(calc(.85 + var(--story-progress,0) * .3))}.product-shell{position:absolute;top:50%;left:50%;width:min(550px,48vw);height:330px;border:1px solid rgba(196,181,253,.25);border-radius:22px;background:linear-gradient(145deg,rgba(31,41,55,.8),rgba(11,15,25,.94));box-shadow:0 45px 110px rgba(0,0,0,.55),inset 0 1px rgba(255,255,255,.08);transform:translate(-50%,-50%) translateZ(40px);overflow:hidden;backdrop-filter:blur(20px)}.product-shell header{height:45px;display:flex;align-items:center;gap:6px;padding:0 16px;border-bottom:1px solid rgba(148,163,184,.14)}.product-shell header i{width:6px;height:6px;border-radius:50%;background:#475569}.product-shell header i:first-child{background:#8b5cf6}.product-shell header span{margin-left:auto;color:#64748b;font-size:8px;letter-spacing:.18em}.product-screen{height:calc(100% - 45px);display:grid;grid-template-columns:1fr 1fr;align-items:center;padding:35px}.signal-orb{position:relative;width:170px;height:170px;border:1px solid rgba(139,92,246,.28);border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.25),transparent 66%);animation:spatial-breathe 4s ease-in-out infinite}.signal-orb:before,.signal-orb:after{content:"";position:absolute;border-radius:50%;border:1px dashed rgba(196,181,253,.25)}.signal-orb:before{inset:18px;animation:orbit-spin 9s linear infinite}.signal-orb:after{inset:42px;animation:orbit-spin 6s linear reverse infinite}.signal-orb i{position:absolute;inset:50%;width:10px;height:10px;border-radius:50%;background:#fff;box-shadow:0 0 30px 12px #8b5cf6;transform:translate(-50%,-50%)}.signal-copy small{display:block;color:#94a3b8;font-size:9px;letter-spacing:.16em}.signal-copy b{font-size:72px;line-height:1;color:#fff}.signal-copy span{color:#64748b}.signal-bars{display:flex;align-items:end;gap:5px;height:40px;margin-top:18px}.signal-bars i{width:9px;border-radius:3px;background:linear-gradient(#a78bfa,#6d28d9);transform-origin:bottom;animation:signal-bar 1.8s ease-in-out infinite}.signal-bars i:nth-child(1){height:35%;animation-delay:-.2s}.signal-bars i:nth-child(2){height:70%;animation-delay:-.7s}.signal-bars i:nth-child(3){height:50%;animation-delay:-1.1s}.signal-bars i:nth-child(4){height:92%;animation-delay:-.4s}.signal-bars i:nth-child(5){height:62%;animation-delay:-1.4s}.product-module{position:absolute;z-index:3;width:190px;padding:16px;border:1px solid rgba(167,139,250,.22);border-radius:12px;background:rgba(17,24,39,.84);box-shadow:0 20px 55px rgba(0,0,0,.4);backdrop-filter:blur(15px);opacity:calc(.15 + var(--story-progress,0) * .85)}.product-module small{display:block;color:#a78bfa;font-size:8px;letter-spacing:.15em}.product-module b{font-size:13px}.module-one{top:4%;left:-3%;transform:translate3d(calc(var(--story-progress,0) * -55px),calc(var(--story-progress,0) * -35px),90px) rotate(-3deg)}.module-two{top:38%;right:-5%;transform:translate3d(calc(var(--story-progress,0) * 65px),0,110px) rotate(3deg)}.module-three{left:8%;bottom:2%;transform:translate3d(0,calc(var(--story-progress,0) * 38px),80px) rotate(2deg)}.story-chapters{position:absolute;right:0;bottom:-62px;display:flex;gap:18px;color:#475569;font-size:11px;letter-spacing:.12em}.story-chapters span{transition:color .3s,transform .3s}.story-chapters span.active{color:#c4b5fd;transform:translateY(-4px)}

/* 散落聚合、磁吸和 3D 卡片光照使用同一套高级缓动。 */
.spatial-reveal{opacity:0;filter:blur(9px);transform:translate3d(var(--scatter-x),var(--scatter-y),0) rotate(var(--scatter-r)) scale(.94);transition:opacity .72s cubic-bezier(.16,1,.3,1),filter .8s cubic-bezier(.16,1,.3,1),transform 1.05s cubic-bezier(.16,1,.3,1);transition-delay:calc(var(--reveal-index,0) * 95ms)}.spatial-reveal.is-visible{opacity:1;filter:blur(0);transform:translate3d(0,0,0) rotate(0) scale(1)}.magnetic{transform:translate3d(var(--magnetic-x,0),var(--magnetic-y,0),0);transition:transform .5s cubic-bezier(.16,1,.3,1),background .25s,box-shadow .25s}.magnetic:active{transform:translate3d(var(--magnetic-x,0),var(--magnetic-y,0),0) scale(.96)}.tilt-surface{transform:perspective(850px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg)) translateZ(0);transform-style:preserve-3d;transition:transform .55s cubic-bezier(.16,1,.3,1),box-shadow .3s,border-color .3s}.tilt-surface:hover{transform:perspective(850px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg)) translateZ(16px);box-shadow:calc((var(--spot-x,50%) - 50%) * -.08) 28px 65px rgba(0,0,0,.38)}.tilt-surface:after{content:"";position:absolute;z-index:0;inset:0;border-radius:inherit;background:linear-gradient(115deg,transparent 20%,rgba(255,255,255,.085) 43%,transparent 60%);background-size:220% 100%;background-position:180% 0;transition:background-position .7s cubic-bezier(.16,1,.3,1);pointer-events:none}.tilt-surface:hover:after{background-position:-70% 0}.section{position:relative}.section:before{content:"";position:absolute;z-index:-1;top:-80px;left:50%;width:min(900px,90vw);height:180px;background:radial-gradient(ellipse,rgba(139,92,246,.075),transparent 68%);transform:translateX(-50%);pointer-events:none}

@keyframes intro-ring{to{transform:rotate(360deg)}}@keyframes intro-noise{50%{transform:translate3d(2%,-1%,0)}}@keyframes spatial-breathe{50%{transform:translate3d(-50%,-50%,20px) scale(1.08);box-shadow:inset 0 0 85px rgba(139,92,246,.3),0 0 125px rgba(139,92,246,.2)}}@keyframes spatial-float{50%{margin-top:-14px}}@keyframes signal-bar{50%{transform:scaleY(.45);opacity:.55}}

/* 平板和手机缩短 Sticky 路径并关闭高成本 3D，保留叙事与光影。 */
@media(max-width:980px){.cinematic-story{height:230vh}.story-frame{grid-template-columns:1fr;gap:18px}.story-copy{position:absolute;z-index:4;top:8%;left:0;right:0;text-align:center}.story-copy p{margin-inline:auto}.story-product{width:min(680px,92vw);margin:160px auto 0}.product-shell{width:min(550px,78vw)}.story-chapters{right:50%;bottom:-18px;transform:translateX(50%)}.hero-spatial{width:96vw;opacity:.45}.spatial-card-one{left:1%}.spatial-card-two{right:1%}}
@media(max-width:760px){.cinematic-story{height:auto;padding:85px 0}.story-sticky{position:relative;height:auto;min-height:780px}.story-frame{display:block}.story-copy{position:relative;top:auto}.story-copy h2{font-size:39px}.story-product{height:430px;margin-top:40px;transform:none!important}.product-shell{width:92vw;height:290px}.product-screen{padding:24px}.signal-orb{width:125px;height:125px}.signal-copy b{font-size:54px}.product-module{width:150px;padding:12px}.module-one{left:0}.module-two{right:0}.module-three{left:5%}.hero-spatial{height:480px}.spatial-core{width:180px;height:180px}.spatial-card{min-width:115px;padding:10px}.spatial-card-three{display:none}.intro-core small{max-width:260px;text-align:center}.particle-field{opacity:.55}}

/* 低动态模式立即显示全部内容，并把 Sticky 场景退化为普通信息区。 */
@media(prefers-reduced-motion:reduce) and (max-width:0px){.cinematic-intro{display:none}.hero-spatial{opacity:.4;filter:none;transform:translate3d(-50%,-50%,0)}.title-mask i,.spatial-reveal{opacity:1;filter:none;transform:none;transition:none}.cinematic-story{height:auto}.story-sticky{position:relative;height:auto;min-height:720px}.story-product{transform:none!important}.product-module{opacity:1;transform:none}.magnetic,.tilt-surface,.tilt-surface:hover{transform:none;transition:none}.spatial-core,.spatial-card,.signal-orb,.signal-bars i{animation:none}}

/* 字符颜色与信号球动画单独覆盖，避免继承标题透明色或核心位移。 */
.title-mask i{color:#fff;text-shadow:0 0 30px rgba(167,139,250,.16)}.signal-orb{animation:signal-pulse 4s ease-in-out infinite}
@keyframes signal-pulse{50%{transform:scale(1.06);filter:drop-shadow(0 0 24px rgba(139,92,246,.28))}}

/* 首次揭幕后让 3D 核心以电影缓动完成由远及近的空间入场。 */
.hero-spatial{transition:opacity 1.35s .35s cubic-bezier(.16,1,.3,1),filter 1.35s .35s cubic-bezier(.16,1,.3,1),transform 1.25s cubic-bezier(.16,1,.3,1)}.story-sticky{top:68px;height:calc(100vh - 68px)}
.spatial-core span{font-size:28px;opacity:.32}.title-mask{margin-right:.008em}.hero h1{letter-spacing:-.03em}
.hero h1{background:none;color:#fff;animation:none}
@media(max-width:760px){.story-sticky{top:auto;height:auto}.hero-spatial .spatial-card{display:none}.hero-spatial{opacity:.3}.spatial-core span{display:none}}
@media(max-width:420px){.metrics{display:grid;grid-template-columns:repeat(3,1fr);width:100%;margin-left:0;gap:8px}.metrics span{display:grid;justify-items:center;gap:0;text-align:center;font-size:10px}.metrics b{font-size:16px}}