:root { --poster-ink: #f5f0e8; --poster-muted: #9d9a93; --poster-line: #393a38; --poster-panel: #151817; --poster-panel-2: #1c201e; --poster-accent: #ff6736; --poster-cyan: #40d9cf; }
.poster-page { background: #0d100f; color: var(--poster-ink); }
.poster-glyph, .poster-workflow-mark { font-size: 12px; font-weight: 900; }
.poster-workspace { background: radial-gradient(circle at 34% 12%, rgba(255,103,54,.08), transparent 28%), #101312; }
.poster-main { min-width: 0; padding: 52px clamp(24px, 4.5vw, 78px) 100px; }
.poster-hero { max-width: 910px; margin-bottom: 38px; }
.poster-hero h1 { max-width: 860px; margin: 12px 0 18px; font-family: "Noto Serif SC", "Songti SC", Georgia, serif; font-size: clamp(40px, 5.4vw, 76px); font-weight: 500; line-height: .98; letter-spacing: -.045em; }
.poster-hero > p:last-child { max-width: 720px; color: #aaa79f; font-size: 13px; line-height: 1.85; }
.poster-stage { max-width: 1050px; border: 1px solid var(--poster-line); background: rgba(17,20,19,.93); box-shadow: 0 30px 80px rgba(0,0,0,.2); }
.poster-stage.active { animation: poster-enter .55s cubic-bezier(.16,1,.3,1) both; }
.stage-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding: 28px 30px 24px; border-bottom: 1px solid var(--poster-line); }
.stage-heading span, .eyebrow { color: var(--poster-accent); font: 700 10px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .16em; }
.stage-heading h2 { margin: 7px 0 0; font-family: "Noto Serif SC", "Songti SC", Georgia, serif; font-size: clamp(25px, 3vw, 39px); font-weight: 500; }
.stage-heading p { max-width: 350px; margin: 0; color: var(--poster-muted); font-size: 11px; line-height: 1.65; text-align: right; }
#poster-source-form { padding: 30px; }
.source-grid { display: grid; grid-template-columns: minmax(280px,.8fr) minmax(360px,1.2fr); gap: 28px; }
.product-upload { position: relative; min-height: 430px; overflow: hidden; border: 1px dashed #5e625d; background: linear-gradient(145deg, #171b19, #0e1110); }
.product-upload input, .poster-doc-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.product-upload > button { position: absolute; inset: 0; z-index: 2; display: grid; place-content: center; gap: 10px; width: 100%; border: 0; background: transparent; color: var(--poster-ink); cursor: pointer; text-align: center; }
.product-upload > button > span { display: grid; width: 54px; height: 54px; margin: 0 auto 5px; place-items: center; border: 1px solid var(--poster-accent); border-radius: 50%; color: var(--poster-accent); font-size: 25px; }
.product-upload > button strong { font-size: 15px; }
.product-upload > button small { color: var(--poster-muted); font-size: 10px; }
.product-upload.has-image > button { background: rgba(5,8,7,.26); opacity: 0; transition: opacity .25s; }
.product-upload.has-image:hover > button { opacity: 1; }
.product-upload img { width: 100%; height: 100%; min-height: 430px; object-fit: contain; background: #0d0f0e; }
.upload-state { position: absolute; right: 14px; bottom: 14px; z-index: 3; padding: 8px 10px; background: rgba(10,12,11,.85); color: #c6c2b9; font-size: 9px; }
.source-fields { display: grid; align-content: start; gap: 19px; }
.poster-page .field { display: grid; gap: 9px; }
.poster-page .field > span { color: #b8b4ac; font-size: 10px; font-weight: 700; letter-spacing: .06em; }
.poster-page .field em { color: var(--poster-muted); font-style: normal; font-weight: 500; }
.poster-page .field.required em { color: var(--poster-accent); }
.poster-page input, .poster-page textarea, .poster-page select { width: 100%; border: 1px solid #454944; border-radius: 0; background: #171c1a; color: #f5f0e8; font: 600 12px/1.7 "Noto Sans SC", "Microsoft YaHei", sans-serif; outline: none; }
.poster-page input, .poster-page select { min-height: 48px; padding: 0 14px; }
.poster-page textarea { padding: 13px 14px; resize: vertical; }
.poster-page input:focus, .poster-page textarea:focus, .poster-page select:focus { border-color: var(--poster-accent); box-shadow: 0 0 0 2px rgba(255,103,54,.1); }
.poster-page .field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.poster-enrichment { margin-top: 28px; border-top: 1px solid var(--poster-line); }
.poster-enrichment summary { display: flex; justify-content: space-between; padding: 20px 0; color: #d7d3ca; cursor: pointer; font-size: 11px; font-weight: 700; }
.poster-enrichment summary span { color: var(--poster-muted); font-size: 9px; font-weight: 500; }
.enrichment-body { display: grid; gap: 18px; padding-bottom: 8px; }
.poster-doc-zone { position: relative; }
.poster-doc-zone > button { display: flex; width: 100%; align-items: center; gap: 15px; padding: 18px; border: 1px dashed #4b4e4a; background: #121614; color: var(--poster-ink); cursor: pointer; text-align: left; }
.poster-doc-zone > button span { color: var(--poster-accent); font-size: 20px; }
.poster-doc-zone > button strong { font-size: 11px; }
.poster-doc-zone > button small { margin-left: auto; color: var(--poster-muted); font-size: 9px; }
.document-list { display: grid; gap: 7px; margin-top: 9px; }
.document-item { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 10px 12px; border-left: 2px solid var(--poster-cyan); background: #161b19; font-size: 10px; }
.document-item small { color: var(--poster-muted); }
.stage-actions { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--poster-line); }
.stage-actions p { max-width: 520px; margin: 0; color: var(--poster-muted); font-size: 10px; line-height: 1.6; }
.poster-primary, .poster-secondary { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 26px; padding: 0 24px; border: 1px solid var(--poster-accent); background: var(--poster-accent); color: #18100c; font-size: 11px; font-weight: 900; text-decoration: none; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.poster-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255,103,54,.25); }
.poster-primary:disabled { cursor: wait; opacity: .55; transform: none; }
.poster-secondary { border-color: #5c605b; background: transparent; color: var(--poster-ink); }
.poster-concepts { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 1px; background: var(--poster-line); }
.concept-card { min-height: 430px; padding: 28px; border: 0; background: var(--poster-panel); color: var(--poster-ink); cursor: pointer; text-align: left; transition: background .25s, transform .25s; }
.concept-card:hover { z-index: 1; background: #222622; transform: translateY(-4px); }
.concept-card.is-selected { z-index: 2; background: #262d29; box-shadow: inset 0 0 0 2px var(--poster-accent); transform: translateY(-4px); }
.concept-card .concept-number { color: var(--poster-accent); font: 700 11px ui-monospace, monospace; }
.concept-card h3 { margin: 65px 0 13px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 30px; font-weight: 500; }
.concept-card .hook { min-height: 52px; color: #f2c2ad; font-size: 13px; font-weight: 700; line-height: 1.6; }
.concept-card p { color: var(--poster-muted); font-size: 11px; line-height: 1.75; }
.concept-palette { display: flex; gap: 5px; margin: 30px 0; }
.concept-palette i { width: 26px; height: 8px; }
.concept-card strong:last-child { display: block; margin-top: 28px; color: var(--poster-cyan); font-size: 10px; letter-spacing: .08em; }
.production-card { display: flex; min-height: 290px; align-items: center; gap: 24px; padding: 50px; }
.production-pulse { width: 15px; height: 15px; border: 3px solid rgba(255,103,54,.25); border-top-color: var(--poster-accent); border-radius: 50%; animation: spin .85s linear infinite; }
.production-card strong { font-family: "Noto Serif SC", serif; font-size: 30px; font-weight: 500; }
.production-card p { color: var(--poster-muted); font-size: 11px; }
.poster-result { display: grid; grid-template-columns: minmax(280px,.72fr) minmax(250px,.28fr); gap: 30px; padding: 30px; }
.poster-result figure { margin: 0; }
.poster-result img { display: block; width: 100%; max-height: 720px; object-fit: contain; background: #090b0a; }
.poster-result figcaption { margin-top: 10px; color: var(--poster-muted); font-size: 10px; }
.result-actions { display: grid; align-content: start; gap: 10px; }
.poster-variant-results { display: grid; gap: 18px; padding: 30px; }
.poster-variant-result { display: grid; grid-template-columns: minmax(220px,.75fr) minmax(190px,.25fr); gap: 20px; padding: 18px; border: 1px solid var(--poster-line); background: var(--poster-panel); }
.poster-variant-result img { width: 100%; max-height: 600px; object-fit: contain; background: #090b0a; }
.poster-variant-result .result-actions strong { color: var(--poster-ink); font: 500 22px/1.3 "Noto Serif SC", serif; }
.poster-alert { max-width: 1050px; margin-bottom: 14px; padding: 14px 18px; border-left: 3px solid var(--poster-accent); background: #271713; color: #ffd5c5; font-size: 11px; }
.poster-summary dl { display: grid; gap: 0; }
.poster-summary dl div { padding: 18px 0; border-bottom: 1px solid #373936; }
.poster-summary dt { color: var(--poster-muted); font-size: 9px; }
.poster-summary dd { margin: 7px 0 0; color: var(--poster-ink); font-size: 11px; line-height: 1.5; }
.summary-job, .summary-contract { margin-top: 25px; padding: 16px; border-left: 2px solid var(--poster-accent); background: #1a1e1c; }
.summary-job span, .summary-contract strong { display: block; color: var(--poster-accent); font-size: 9px; letter-spacing: .12em; }
.summary-job code { display: block; margin-top: 8px; overflow-wrap: anywhere; color: #ccc7bd; font-size: 9px; }
.summary-contract p { margin: 8px 0 0; color: var(--poster-muted); font-size: 9px; line-height: 1.7; }
@keyframes poster-enter { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 1100px) { .poster-concepts { grid-template-columns: 1fr; }.concept-card { min-height: 260px; }.concept-card h3 { margin-top: 30px; }.poster-result { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
  .poster-page .workspace-header { gap: 10px; }
  .poster-page .header-actions { flex: 0 0 auto; gap: 6px; }
  .poster-page .header-actions .exit-link { display: none; }
  .poster-page .header-actions .icon-button { width: 38px; overflow: hidden; padding: 0; font-size: 0; white-space: nowrap; }
  .poster-page .header-actions .icon-button::after { content: "摘要"; font-size: 10px; }
  .poster-main { padding: 30px 16px 70px; overflow: hidden; }
  .poster-hero { margin-bottom: 30px; }
  .poster-hero h1 { font-size: clamp(34px, 10.2vw, 40px); line-height: 1.06; letter-spacing: -.03em; word-break: break-all; }
  .poster-hero > p:last-child { font-size: 12px; line-height: 1.7; }
  .stage-heading { display: block; padding: 22px 18px; }
  .stage-heading h2 { font-size: 27px; line-height: 1.22; word-break: break-all; }
  .stage-heading p { margin-top: 12px; text-align: left; }
  #poster-source-form { padding: 18px; }
  .source-grid { grid-template-columns: minmax(0, 1fr); }
  .product-upload, .product-upload img { min-height: 290px; }
  .poster-page .field-grid { grid-template-columns: 1fr; }
  .stage-actions { align-items: stretch; flex-direction: column; }
  .poster-primary { width: 100%; }
  .poster-doc-zone > button { align-items: flex-start; flex-wrap: wrap; }
  .poster-doc-zone > button small { width: 100%; margin-left: 35px; }
  .poster-result { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) { .poster-stage.active, .production-pulse { animation: none; }.poster-primary, .concept-card { transition: none; } }