:root{color-scheme:light;font-family:SF Pro Display,SF Pro Text,PingFang SC,Microsoft YaHei,Inter,sans-serif;background:#fff;color:#1d1d1f;line-height:1.5;font-weight:400}*{box-sizing:border-box}html,body,#root{width:100%;min-height:100%}body{margin:0;overflow-x:hidden;background:linear-gradient(180deg,#fbfbfd,#f5f5f7 48%,#fff)}button,input{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;padding:34px;overflow-x:hidden;isolation:isolate}.topbar{max-width:1120px;margin:0 auto 24px}.brand-line{display:grid;grid-template-columns:88px minmax(0,1fr);gap:18px;align-items:center}.brand-avatar{width:88px;height:88px;border-radius:28px;display:block;object-fit:cover;border:1px solid rgba(0,0,0,.06);box-shadow:0 12px 30px #00000014;background:#f5f5f7}.eyebrow{display:inline-flex;margin-bottom:8px;color:#6e6e73;font-size:12px;font-weight:600;letter-spacing:0;text-transform:uppercase}.topbar h1{margin:0;color:#1d1d1f;font-size:48px;line-height:1.04;letter-spacing:0}.topbar p{max-width:760px;margin:12px 0 0;color:#6e6e73;font-size:17px}.workspace{display:grid;grid-template-columns:minmax(320px,420px) minmax(0,1fr);gap:20px;max-width:1120px;margin:0 auto;align-items:start}.tool-panel,.result-panel,.upload-card,.hero-result,.copy-block,.guide-panel,.palette-panel,.settings-panel,.hints-panel{border:1px solid rgba(0,0,0,.06);border-radius:20px;background:#ffffffe6;box-shadow:0 8px 30px #0000000a}.tool-panel{border:0;background:transparent;box-shadow:none}.upload-card{padding:14px}.mode-switch{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:3px;margin-bottom:10px;padding:3px;border-radius:999px;background:#0000000e;box-shadow:inset 0 0 0 1px #00000009}.mode-switch button{position:relative;z-index:1;min-height:36px;border:0;border-radius:999px;background:transparent;color:#6e6e73;font-size:13px;font-weight:500;letter-spacing:0;transition:color .16s ease,background .16s ease,box-shadow .16s ease}.mode-switch button.active{background:#fff;color:#1d1d1f;box-shadow:0 1px 2px #00000014,0 5px 18px #00000014}.mode-note{margin-bottom:12px;padding:0 4px;border-radius:0;background:transparent;color:#86868b;font-size:12px;line-height:1.55}.platform-picker{display:grid;gap:8px;margin-bottom:12px}.platform-picker>span{padding-left:4px;color:#86868b;font-size:12px;font-weight:600}.platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-height:278px;overflow:auto;padding-right:2px}.platform-grid button{min-height:74px;padding:12px;border:1px solid rgba(0,0,0,.07);border-radius:16px;display:grid;gap:4px;align-content:start;background:#fff;color:#1d1d1f;text-align:left;transition:border-color .16s ease,box-shadow .16s ease,background .16s ease}.platform-grid button.active{border-color:#00000047;background:#fdfdfd;box-shadow:0 8px 24px #0000000f}.platform-grid strong{font-size:13px;font-weight:650}.platform-grid em{color:#86868b;font-size:12px;font-style:normal;line-height:1.35}.strength-control{display:grid;gap:10px;margin-bottom:14px;padding:14px;border:1px solid rgba(0,0,0,.06);border-radius:16px;background:#fff}.strength-head,.strength-labels{display:flex;align-items:center;justify-content:space-between;gap:12px}.strength-head span,.strength-labels span{color:#86868b;font-size:12px}.strength-head strong{color:#1d1d1f;font-size:18px;font-weight:650}.strength-control input[type=range]{width:100%;height:22px;margin:0;accent-color:#1d1d1f}.dual-upload{display:grid;gap:12px}.drop-zone{position:relative;display:grid;min-height:244px;overflow:hidden;border:1px solid rgba(0,0,0,.06);border-radius:16px;background:#f5f5f7}.drop-zone input{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;opacity:0}.drop-zone img{width:100%;height:100%;min-height:244px;display:block;object-fit:cover;background:#111}.drop-content{place-self:center;width:min(280px,80%);display:grid;justify-items:center;gap:10px;color:#6e6e73;text-align:center}.drop-content strong{color:#1d1d1f;font-size:18px}.drop-content span{font-size:13px}.drop-content em{min-height:24px;padding:0 9px;border-radius:999px;display:inline-flex;align-items:center;background:#1d1d1f;color:#fff;font-size:12px;font-style:normal}.image-label{position:absolute;left:12px;bottom:12px;min-height:28px;padding:0 10px;border-radius:999px;display:inline-flex;align-items:center;background:#ffffffdb;color:#1d1d1f;font-size:12px;font-weight:600;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.file-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding-top:12px}.file-row span{display:block;color:#86868b;font-size:12px}.file-row strong{display:block;margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mode-summary{min-width:0;padding:12px 14px;border:1px solid rgba(0,0,0,.06);border-radius:16px;background:#fff}.mode-summary strong{color:#1d1d1f;font-size:18px;line-height:1.25}.mode-summary em{display:block;margin-top:4px;color:#86868b;font-size:12px;font-style:normal;line-height:1.45}.action-row{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.action-stack{display:grid;gap:8px;justify-items:end}.model-footnote{margin:0;max-width:440px;color:#8e8e93;font-size:12px;line-height:1.5;text-align:right}.primary-action{min-height:46px;padding:0 20px;border:0;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:8px;color:#fff;font-weight:600;background:#1d1d1f}.secondary-action{min-height:46px;padding:0 16px;border:1px solid rgba(0,0,0,.08);border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:7px;color:#1d1d1f;font-weight:600;background:#fff}.primary-action:disabled{opacity:.54;cursor:default}.secondary-action:disabled{opacity:.45;cursor:default}.result-panel{min-height:690px;padding:16px}.empty-state{min-height:650px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;border:1px dashed rgba(0,0,0,.12);border-radius:16px;background:#ffffff8c;color:#86868b;text-align:center}.empty-state strong{color:#1d1d1f;font-size:18px}.result-stack{display:grid;gap:14px}.hero-result{display:grid;gap:18px;padding:24px;background:linear-gradient(180deg,#fff,#fafafc)}.hero-result h2{margin:12px 0 8px;color:#1d1d1f;font-size:38px;line-height:1.16}.hero-result p{max-width:860px;margin:0;color:#6e6e73}.mode-pill,.tag-row span,.block-heading>span{min-height:32px;padding:0 11px;border:1px solid rgba(0,0,0,.08);border-radius:999px;display:inline-flex;align-items:center;gap:7px;background:#f5f5f7;color:#6e6e73;font-size:13px}.mode-pill{width:fit-content}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag-row span{color:#3a3a3c}.warning-box,.error-box{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:14px;font-size:14px}.warning-box{border:1px solid rgba(0,0,0,.08);background:#fafafc;color:#6e6e73}.error-box{margin-top:14px;border:1px solid rgba(255,59,48,.14);background:#ff3b300f;color:#c21f16}.metrics-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}.metric{min-height:88px;padding:14px;border:1px solid rgba(0,0,0,.05);border-radius:16px;background:#fff}.metric span{display:block;color:#86868b;font-size:12px}.metric strong{display:block;margin-top:8px;color:#1d1d1f;font-size:20px}.copy-block,.guide-panel,.palette-panel,.settings-panel,.hints-panel{padding:20px}.block-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.block-heading h3,.settings-panel h4,.hints-panel h3{margin:0;color:#1d1d1f}.block-heading p{margin:4px 0 0;color:#86868b;font-size:13px}.block-heading button{min-height:34px;padding:0 11px;border:1px solid rgba(0,0,0,.08);border-radius:999px;display:inline-flex;align-items:center;gap:6px;background:#fff;color:#3a3a3c}.copy-block p{margin:0;padding:16px;border-radius:16px;background:#f5f5f7;color:#1d1d1f;line-height:1.7;white-space:pre-wrap}.prompt-panel .block-heading{align-items:flex-start}.prompt-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-bottom:12px;padding:4px;border-radius:18px;background:#f5f5f7}.prompt-tabs button{min-height:68px;padding:10px 12px;border:0;border-radius:14px;display:grid;align-content:center;gap:3px;background:transparent;color:#6e6e73;text-align:left;transition:background .16s ease,box-shadow .16s ease,color .16s ease}.prompt-tabs button.active{background:#fff;color:#1d1d1f;box-shadow:0 1px 2px #00000014,0 8px 22px #00000012}.prompt-panel-short .prompt-current,.prompt-panel-professional .prompt-current,.prompt-panel-strict .prompt-current{padding:10px 12px;border-radius:14px;background:#fff;box-shadow:inset 0 0 0 1px #0000000f}.prompt-tabs strong{font-size:13px}.prompt-tabs span{font-size:12px;line-height:1.35}.prompt-current{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;color:#86868b;font-size:13px}.prompt-current strong{color:#1d1d1f}.prompt-current span{text-align:right}.palette-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(126px,1fr));gap:10px}.guide-list{display:grid;gap:10px}.guide-card{padding:16px;border:1px solid rgba(0,0,0,.05);border-radius:16px;background:#fff}.guide-card h4{margin:0 0 6px;color:#1d1d1f;font-size:14px}.guide-card p{margin:0;color:#3a3a3c;line-height:1.7}.color-chip{padding:10px;border:1px solid rgba(0,0,0,.05);border-radius:16px;background:#fff}.color-chip>span{display:block;height:58px;border:1px solid rgba(0,0,0,.08);border-radius:12px}.color-chip strong,.color-chip em{display:block}.color-chip strong{margin-top:9px;color:#1d1d1f;font-size:13px}.color-chip em{margin-top:2px;color:#86868b;font-size:12px;font-style:normal}.settings-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.settings-panel h4{margin-bottom:8px}.setting-group{min-width:0}.setting-row{display:grid;grid-template-columns:86px minmax(0,1fr);gap:12px;padding:10px 0;border-bottom:1px solid rgba(0,0,0,.06)}.setting-row span{color:#86868b;font-size:13px}.setting-row strong{color:#1d1d1f;font-size:13px;font-weight:600;line-height:1.55}.hints-panel{display:grid;gap:10px}.hint-card{margin:0;padding:14px 16px;border-radius:16px;background:#f5f5f7}.hint-card h4{margin:0 0 6px;color:#1d1d1f;font-size:14px}.hint-card p{margin:0;color:#3a3a3c;line-height:1.7}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:1180px){.workspace{grid-template-columns:1fr}.topbar h1{font-size:40px}.drop-zone,.drop-zone img{min-height:260px}.metrics-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:760px){.app-shell{padding:18px}.brand-line{grid-template-columns:64px minmax(0,1fr);gap:14px;align-items:start}.brand-avatar{width:64px;height:64px;border-radius:20px}.topbar h1{font-size:34px}.topbar p{font-size:15px}.file-row,.settings-columns,.metrics-grid,.platform-grid{grid-template-columns:1fr}.action-row{justify-content:stretch}.action-row button{width:100%}.action-stack{justify-items:stretch}.model-footnote{max-width:none;text-align:left}.drop-zone,.drop-zone img{min-height:220px}.hero-result h2{font-size:30px}}