/* 延续原站灰白、蓝色强调、胶囊导航与宽幅作品节奏。 */
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.profile-inner{max-width:1344px;margin:auto;display:grid;grid-template-columns:40% 60%;gap:0}
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.experience-content h3{font-size:15px;color:#454545;margin:0 0 12px;font-weight:650}
.experience-content p{font-size:14px;line-height:1.95;color:#777;overflow-wrap:anywhere}
.experience-content>div+div{margin-top:22px}
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@media(min-width:1100px){.category-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
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@media(min-width:768px) and (max-width:1023px){.nav-links,.nav-right{display:none}.nav-toggle{display:flex}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* 第二轮：五类等尺寸目录、录屏叙事与角色资产系列。 */
.profile-skills>span{display:inline-block}.profile-skills>span+span:before{content:'｜';padding:0 2px}
.category-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch}
.category-grid .category-card{grid-column:auto;min-height:340px;height:340px}
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.category-ai .card-bg-img{background-position:52% center}
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.ai-asset-group{padding:30px 0;border-bottom:1px solid #d9dfe8}
.ai-asset-label{display:grid;grid-template-columns:180px 1fr;gap:25px;align-items:start;margin-bottom:22px}
.ai-asset-label h4{font-size:19px;font-weight:550}.ai-asset-label p{font-size:14px;line-height:1.85;color:#748092;max-width:680px}
.ai-asset-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.ai-asset-grid .ai-image-button{aspect-ratio:1;background:#fff}
.ai-asset-grid img{height:100%;object-fit:contain}
.ai-story-copy{max-width:820px;margin:28px 0}
.ai-story-copy h3{font-size:clamp(25px,2.5vw,34px);line-height:1.4;font-weight:550;margin:14px 0}
.ai-story-copy p{font-size:15px;color:#6b7787;line-height:1.95;max-width:780px}
.ai-reference-origin{display:grid;grid-template-columns:.65fr 1.35fr;gap:65px;align-items:center;margin-bottom:45px}
.ai-reference-origin>.ai-figure{max-width:360px}.ai-reference-origin img{aspect-ratio:2/3;object-fit:cover}
.ai-demo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.ai-reference-story .ai-demo-grid{grid-template-columns:1.6fr .7fr;gap:40px}
.ai-demo-chapter{margin:48px 0}
.ai-demo-chapter .ai-demo-grid .ai-image-button{background:#fff;aspect-ratio:1.2}
.ai-demo-chapter .ai-demo-grid img{width:100%;height:100%;object-fit:contain}
.ai-style-result-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;background:#e4e9f0;padding:28px;border-radius:16px}
.ai-style-result-grid .ai-image-button{border-radius:8px;aspect-ratio:2/3}
.ai-style-result-grid img{width:100%;height:100%;object-fit:contain;background:#e9e4d8}
.ai-style-result-grid figcaption{color:#586b84}
.ai-plant-part{margin:48px 0}
.ai-master-poster{display:grid;grid-template-columns:minmax(0,1fr) 70px minmax(0,1fr);gap:28px;align-items:center;max-width:980px;margin:38px auto 0}
.ai-master-poster .ai-image-button{height:570px;background:white}.ai-master-poster img{width:100%;height:100%;object-fit:contain}
.ai-stage-arrow{font-size:44px;color:#7696c5;text-align:center;font-weight:300}
.ai-poster-series{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:15px}
.ai-poster-series>.ai-figure{flex:0 0 calc((100% - 54px)/4);scroll-snap-align:start}
.ai-poster-series img{aspect-ratio:2/3;object-fit:contain}
.ai-film video{display:block;width:100%;background:#d8e9f3;border-radius:14px;max-height:680px;object-fit:contain}
.ai-films-layout{display:grid;grid-template-columns:1.65fr .7fr;gap:30px;align-items:center}
.ai-portrait-film video{aspect-ratio:2/3}.ai-site-collection{margin-top:28px}
.ai-shell>*{min-width:0}.ai-case-heading h2,.ai-story-copy h3{overflow-wrap:break-word}
@media(min-width:1200px){.category-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.category-card .card-top{padding:25px 20px 0}.category-card .card-body{padding:18px 20px 25px}.category-card .card-title{font-size:20px}.ai-case-nav{grid-template-columns:repeat(4,minmax(0,1fr))}.ai-case-nav a{padding:24px}.ai-case-nav strong{font-size:19px}}
@media(max-width:900px){.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ai-asset-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.ai-reference-origin{gap:32px;grid-template-columns:.75fr 1.25fr}.ai-style-result-grid{gap:15px;padding:20px}.ai-master-poster{gap:15px;grid-template-columns:minmax(0,1fr) 35px minmax(0,1fr)}.ai-master-poster .ai-image-button{height:440px}.ai-reference-story .ai-demo-grid{grid-template-columns:1.3fr .7fr;gap:24px}}
@media(max-width:767px){.category-grid .category-card{height:310px;min-height:310px}.ai-case-nav{grid-template-columns:1fr}.ai-asset-label{grid-template-columns:1fr;gap:8px}.ai-asset-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.ai-reference-origin{grid-template-columns:1fr;gap:10px}.ai-reference-origin>.ai-figure{max-width:270px;margin:auto}.ai-demo-grid,.ai-reference-story .ai-demo-grid{grid-template-columns:1fr;gap:20px}.ai-workbench-crop{max-width:400px;margin:0 auto;width:100%}.ai-style-result-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:16px}.ai-demo-chapter .ai-demo-grid .ai-image-button{aspect-ratio:auto}.ai-demo-chapter .ai-demo-grid img{height:auto}.ai-master-poster{grid-template-columns:1fr;gap:15px;max-width:420px}.ai-stage-arrow{transform:rotate(90deg);font-size:30px}.ai-master-poster .ai-image-button{height:auto;aspect-ratio:2/3}.ai-films-layout{grid-template-columns:1fr;gap:25px}.ai-portrait-film{width:80%;max-width:340px;margin:auto}.ai-poster-series>.ai-figure{flex-basis:72%}.ai-story-copy p{font-size:14px}.ai-asset-label h4{font-size:17px}}
@media(max-width:520px){.category-grid{grid-template-columns:1fr}.category-grid .category-card{height:320px;min-height:320px}.category-ai .card-bg-img{background-position:center 35%}}