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var(--line)}.order-timeline{margin:24px 0}.order-timeline>div{display:flex;gap:16px;padding:14px 0;opacity:.65}.order-timeline>div.done,.order-timeline>div.current{opacity:1}.order-timeline>div>span{display:grid;place-items:center;flex-shrink:0;background:#eaeee3;width:30px;height:30px;border-radius:50%;font-size:.8125rem}.order-timeline .done>span{background:var(--ink);color:white}.order-timeline strong{font-weight:500}.order-timeline p{font-size:.875rem;color:var(--muted);margin-top:7px}.order-preview h3{margin-top:20px}.order-preview>p{margin-top:8px;color:var(--muted)}.result-context{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:26px}.result-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:28px;align-items:start}.result-card{border:1px solid var(--line);border-radius:10px;background:var(--white);overflow:hidden}.result-visual{height:380px;background:#edf0e6;display:flex;align-items:center;justify-content:center}.result-visual>button{padding:0;width:100%;height:100%}.result-visual img{object-fit:contain;width:100%;height:100%}.result-placeholder{display:flex;flex-direction:column;align-items:center;text-align:center;padding:24px;gap:12px}.result-placeholder p{color:var(--muted);font-size:.875rem}.result-meta{padding:20px}.result-meta>div:first-child{display:flex;justify-content:space-between;gap:16px;align-items:center}.result-meta span{font-size:.8125rem;color:var(--muted)}.result-buttons{display:flex;gap:16px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.result-next{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-top:48px;border-top:1px solid var(--line);padding-top:36px}.result-next h2{font-size:1.8rem}.result-next p{color:var(--muted);margin-top:12px}.result-next .cta-row{margin:0}.spinner{display:block;width:40px;height:40px;border:2px solid #cbd6c1;border-top-color:var(--ink);border-radius:50%;animation:spin 1.1s linear infinite;margin-bottom:10px}@keyframes spin{to{transform:rotate(360deg)}}.wide-dialog{max-width:1000px}.lightbox-image{width:100%;max-height:67dvh;object-fit:contain;margin-bottom:16px}.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.scenario{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:52px;padding:14px 16px;border:1px solid var(--line);background:var(--white);border-radius:7px;font-size:.9375rem}.scenario.selected{background:#e4eddc;border-color:#8aa07b}.picker-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0}.picker{border:1px solid var(--line);padding:8px;border-radius:8px;min-width:0;background:var(--white)}.picker.selected{border:2px solid #6f8e5c;padding:7px;background:#eef5e5}.picker img{width:100%;height:170px;object-fit:contain}.picker span{display:block;font-size:.875rem;margin:12px 0 4px;overflow-wrap:anywhere}.upload-layout{cursor:pointer;margin-bottom:20px}.help-page{max-width:950px}.help-page>.text-link{margin-top:26px}a[aria-current]{color:var(--gold)}
@media(max-width:1100px){.start-grid{gap:22px;grid-template-columns:minmax(0,1.4fr) minmax(285px,1fr)}.work-panel,.summary-panel{padding:24px}.auth-page{gap:48px}.case-gallery{gap:18px}.result-visual{height:320px}}
@media(max-width:800px){.page-section{padding-top:32px}.page-heading h1{font-size:2.35rem}.start-heading{align-items:start;flex-direction:column;gap:14px}.start-heading h1{font-size:2.25rem}.stepper{gap:24px;margin-top:16px;margin-bottom:22px}.stepper button{font-size:.875rem;gap:7px}.start-grid{grid-template-columns:1fr}.summary-panel{position:static;order:2}.summary-panel h2 br{display:none}.summary-thumbs img{height:150px}.work-panel,.summary-panel{padding:22px}.panel-title{gap:14px}.panel-title h2{font-size:1.65rem}.panel-title p{font-size:.875rem}.chapter{font-size:2.2rem}.field-label{flex-wrap:wrap;gap:4px}.field-label span{font-size:.8125rem}.case-gallery{grid-template-columns:1fr 1fr}.case-item.landscape{grid-column:1/-1}.case-toolbar .button{margin-left:0}.case-context{grid-template-columns:1fr;gap:32px}.how-grid{grid-template-columns:1fr}.how-grid article{display:grid;grid-template-columns:70px 1fr;gap:12px 22px}.how-photo{grid-column:1/-1;grid-row:2;height:250px;margin:0 0 14px}.how-grid h3{align-self:center}.how-grid p{grid-column:1/-1;margin-top:0}.auth-page{grid-template-columns:1fr;gap:32px;padding-top:32px}.auth-story h1{font-size:2.5rem}.auth-story h1 br{display:none}.auth-story>p:last-of-type{margin-top:14px}.auth-card{padding:26px}.pricing-grid,.credits-grid{grid-template-columns:1fr}.price-card{padding:26px}.three-inline{flex-direction:column;gap:16px}.result-grid{grid-template-columns:1fr}.result-visual{height:auto;min-height:260px}.result-visual img{max-height:500px}.result-visual>button{height:auto}.result-next{align-items:start;flex-direction:column}.result-context{align-items:start;flex-direction:column}.result-meta>div:first-child{flex-wrap:wrap}.dialog-head{padding:18px 20px}.dialog-head h2{font-size:1.45rem}.dialog-body{padding:22px}.picker-grid{grid-template-columns:1fr 1fr}.picker img{height:140px}.scenario-grid{grid-template-columns:1fr}.notice{font-size:.875rem}.help-page h1{font-size:2.3rem}}
@media(max-width:420px){.page-section{padding-left:18px;padding-right:18px}.work-panel{padding:18px}.panel-actions{gap:12px;flex-wrap:wrap}.panel-actions .button{padding:12px 16px;font-size:.9375rem}.layout-pair{gap:12px}.layout-preview{height:130px;padding:5px}.layout-card>div{padding:12px}.layout-card .text-link{font-size:.8125rem}.layout-card strong{font-size:.9375rem}.form-row{gap:12px}.stepper{justify-content:space-between;gap:12px}.stepper button{font-size:.8125rem}.summary-panel{padding:22px}.case-gallery{gap:12px}.case-item figcaption{font-size:.8125rem;gap:7px}.result-buttons{gap:10px}.result-buttons .text-link{font-size:.875rem}}
@media(prefers-reduced-motion:reduce){.spinner{animation:none}}
@media(min-width:1000px) and (max-height:800px){.hero-art{max-width:none;justify-self:stretch}.hero{grid-template-columns:.95fr 1.25fr}.art-grid{grid-template-rows:auto auto}.art-selling img,.art-scene img{height:auto;aspect-ratio:1}.art-aplus img{height:auto;aspect-ratio:1088/608}}
@media(max-width:800px){.hero h1 span{display:block}}
/* 各首页区块独立纵向排列，图片尺寸由自身比例决定。 */
#main{display:block;width:100%;min-width:0}
.hero-copy,.hero-art,.feature-copy{min-width:0}
.art-selling img,.art-scene img{height:auto;aspect-ratio:1}
.art-aplus img{height:auto;aspect-ratio:1088/608}
.art-caption>a,.button{flex-shrink:0;white-space:nowrap}
.feature-image img{height:auto}
.section-heading>div{min-width:0;flex:1}
.section-heading>p{flex:0 1 460px}
@media(max-width:800px){.section-heading>p{flex:auto}}

/* 首页 AI 入口：与原有商品案例保持同等视觉权重。 */
.hero{grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:44px;padding-top:30px}
.hero h1{font-size:clamp(2.4rem,3.6vw,3.6rem);line-height:1.23}
.hero h1 em{font-family:var(--sans);font-style:normal;font-weight:500;letter-spacing:-.055em}
.ai-eyebrow{font-weight:600;letter-spacing:.08em;margin-bottom:14px}
.hero-copy .intro{margin-top:18px;font-size:1rem;line-height:1.75}
.speed-line{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin:18px 0 16px}
.speed-line strong{font-size:1rem;font-weight:500}.speed-line b{font-size:1.6rem;font-weight:500}.speed-line>span{font-size:.8125rem;color:var(--muted)}
.ai-composer{position:relative;background:var(--white);border:1px solid #afbfaa;border-radius:12px;padding:16px;box-shadow:0 8px 24px #173e3406}
.sr-only,.ai-composer input[type=file]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.ai-composer:focus-within{border-color:#527d61}.ai-composer input:focus-visible+label{outline:3px solid #7c987b;outline-offset:3px}
.composer-top,.composer-footer{display:flex;align-items:center;justify-content:space-between;gap:12px}
.composer-top>span{font-size:.75rem;color:var(--muted);white-space:nowrap}
.add-image-button{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:6px;padding:7px 10px;cursor:pointer;font-size:.875rem;background:#f4f6ee}.add-image-button>span{font-size:1.2rem}.add-image-button small{font-size:.75rem;color:var(--muted)}
.ai-composer textarea{display:block;width:100%;min-height:75px;resize:vertical;border:0;border-radius:3px;background:transparent;padding:14px 0 10px;color:var(--ink);font-size:.9375rem;line-height:1.7;max-height:200px}.ai-composer textarea::placeholder{color:#7e887c}
.composer-footer>span{font-size:.75rem;color:var(--muted)}.composer-footer .button{min-height:42px;padding:10px 14px}
.hero-uploaded{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.hero-uploaded>div{width:56px;height:56px;position:relative}.hero-uploaded img{width:100%;height:100%;object-fit:contain;border:1px solid var(--line);border-radius:5px}.hero-uploaded button{position:absolute;right:-5px;top:-5px;border-radius:50%;background:var(--ink);color:white;width:23px;height:23px}
.hero-secondary{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:13px;font-size:.8125rem}.hero-secondary a{font-weight:500}.hero-secondary>span{font-size:.75rem;color:var(--muted)}.hero .fee-note{font-size:.75rem;margin-top:9px}
.demo-link{padding:0;color:var(--ink);font-size:.8125rem;white-space:nowrap;text-decoration:underline;text-underline-offset:5px;min-height:30px}
.ai-capabilities{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 24px}.ai-capabilities span,.demo-facts span{background:var(--soft);padding:8px 12px;border-radius:5px;font-size:.875rem}
.demo-disclosure{font-size:.8125rem;color:var(--muted);margin-bottom:20px}.demo-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.demo-steps button{text-align:left;border:1px solid var(--line);border-radius:7px;padding:12px;font-size:.875rem;line-height:1.6}.demo-steps button span{display:block;color:#809576;margin-bottom:4px}.demo-steps button[aria-current]{background:var(--ink);color:white}.demo-steps button[aria-current] span{color:#c7d8c0}
.demo-stage-body{display:grid;grid-template-columns:150px 1fr;gap:28px;align-items:center;min-height:320px;padding:28px 0}.demo-source img{width:100%;height:180px;object-fit:contain;border-radius:8px}.demo-source>span{display:block;text-align:center;margin-top:12px;font-size:.875rem;color:var(--muted)}.demo-stage-copy>p{color:var(--muted);margin:12px 0;font-size:.9375rem}.demo-facts{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.demo-output{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.demo-output img,.demo-pending{width:100%;aspect-ratio:1;height:auto;object-fit:contain;background:#eef1e8;border-radius:6px}.demo-output>div>span{display:block;font-size:.75rem;color:var(--muted);margin-top:8px}.demo-pending{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.8125rem}.demo-controls{display:flex;align-items:center;gap:20px;border-top:1px solid var(--line);padding-top:18px}.demo-controls>span{font-size:.8125rem;color:var(--muted)}
@media(min-width:1000px) and (max-height:800px){.hero{padding-top:20px;padding-bottom:18px;gap:32px}.hero h1{font-size:2.5rem;line-height:1.2}.hero-copy .intro{margin-top:13px}.speed-line{margin:10px 0}.ai-composer{padding:12px}.hero-art{padding-top:0}.hero-copy{padding-bottom:0}.hero .eyebrow{margin-bottom:10px}}
@media(max-width:1100px){.hero{gap:28px}.composer-top>span{font-size:.6875rem}.composer-footer>span{max-width:110px}.art-top{gap:16px}.art-top>span{text-align:right}}
@media(max-width:800px){.hero{grid-template-columns:1fr}.hero h1{font-size:clamp(2.3rem,7.5vw,3.6rem)}.hero-copy h1 span{display:block}.hero-art{margin-top:10px}.composer-footer>span{max-width:none}.hero-secondary{align-items:start}.hero-secondary>span{max-width:160px;text-align:right}.art-caption{flex-wrap:wrap}.demo-stage-body{grid-template-columns:90px 1fr;gap:16px;min-height:280px}.demo-source img{height:110px}.demo-steps{grid-template-columns:1fr 1fr}.demo-output{grid-template-columns:1fr 1fr}.demo-output>div:last-child{grid-column:1/-1}.demo-output>div:last-child img,.demo-output>div:last-child .demo-pending{aspect-ratio:16/9}.demo-stage-body{align-items:start}.demo-controls{gap:12px}.dialog-body:has(#ai-demo-content){padding:18px}.demo-stage-copy h3{font-size:1.05rem}}
@media(max-width:380px){.composer-footer>span{max-width:105px}.composer-top{gap:6px}.add-image-button{padding:7px}.hero-secondary>span{max-width:135px}}

@media(min-width:801px){.demo-output img,.demo-pending{height:180px;aspect-ratio:auto}.demo-stage-body{min-height:300px}}