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26rem),linear-gradient(180deg,#f2f6ff,#f7f9fd)}body.dark .app-main{background:var(--color-bg)}.app-pro-strip{display:flex;align-items:center;justify-content:center;gap:10px;padding:9px 24px;background:linear-gradient(90deg,#f0f6ff,#fff8f0);color:#1a3e78;font-size:.84rem;border-bottom:1px solid rgba(49,92,246,.08)}.app-pro-strip a{color:var(--color-primary);font-weight:700;text-decoration:underline;text-underline-offset:2px}.strip-crown{color:#c8922a;font-size:1.1rem;line-height:1}.app-header{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid rgba(223,230,245,.9);background:#ffffffdb;padding:14px 32px;box-shadow:0 12px 34px #1419280f;backdrop-filter:blur(18px)}.app-kicker{margin:0 0 2px;color:var(--color-muted);font-size:.78rem;font-weight:760}.app-header h1{margin:0;font-size:1.78rem;line-height:1.15;font-weight:850}.app-header-actions{display:flex;align-items:center;gap:10px}.app-search{width:min(28vw,320px);min-width:210px;height:44px;display:flex;align-items:center;gap:9px;border:1px solid var(--color-line);border-radius:999px;background:#f8fbffe6;padding:0 12px;color:var(--color-muted)}.app-search input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:var(--color-text)}.app-icon-btn,.app-trial-btn,.app-avatar{height:44px;border:1px solid var(--color-line);border-radius:999px;background:#ffffffe6;color:var(--color-text)}.app-icon-btn{width:44px;cursor:pointer;font-weight:820}.app-trial-btn{display:inline-flex;align-items:center;gap:7px;padding:0 18px;font-weight:820;background:linear-gradient(135deg,var(--color-primary),#7b8dff);border-color:transparent;color:#fff;box-shadow:0 14px 28px #315cf633}.app-trial-btn:before{content:"♕";color:#ffdd7a}.app-avatar{width:48px;display:inline-grid;place-items:center;border:0;border-radius:999px;background:linear-gradient(135deg,var(--color-warm),#ffb06d);color:#fff;font-weight:900}.app-content{position:relative;width:min(1380px,calc(100% - 64px));margin:0 auto;padding:72px 0 96px}.workspace-backdrop{position:absolute;inset:24px -12px auto;height:260px;border-radius:36px;background:radial-gradient(circle at 18% 24%,rgba(49,92,246,.15),transparent 20rem),radial-gradient(circle at 76% 18%,rgba(255,128,93,.12),transparent 18rem);pointer-events:none}.app-content>:not(.workspace-backdrop){position:relative;z-index:1}.workspace-hero{display:flex;justify-content:space-between;gap:28px;align-items:center;margin-bottom:28px;border:1px solid rgba(223,230,245,.86);border-radius:28px;background:linear-gradient(135deg,#fffffff0,#f4f8ffeb),var(--color-surface);padding:30px;box-shadow:0 26px 70px #1c30601a;overflow:hidden}.workspace-hero.compact{align-items:flex-end}.workspace-eyebrow{margin:0 0 8px;color:var(--color-primary);font-size:.82rem;font-weight:850}.workspace-hero h2,.workspace-section-head h2,.workspace-panel h2{margin:0;font-size:1.72rem;line-height:1.22;font-weight:860}.workspace-hero p{max-width:720px;margin:12px 0 0;color:var(--color-muted)}.workspace-upload-actions{display:flex;align-items:stretch;flex:0 0 auto;border-radius:18px;box-shadow:0 20px 44px #1d5bf438}.upload-primary,.upload-split{min-height:58px;display:inline-flex;align-items:center;justify-content:center;border:0;background:linear-gradient(135deg,#075cfb,#6f82ff);color:#fff;font-weight:860}.upload-primary{gap:10px;border-radius:18px 0 0 18px;padding:0 28px;font-size:1.06rem}.upload-primary span{font-size:1.35rem}.upload-split{width:58px;border-left:1px solid rgba(255,255,255,.34);border-radius:0 18px 18px 0;cursor:pointer;font-size:1.2rem}.workspace-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:30px}.workspace-stats article,.workspace-panel{border:1px solid rgba(214,229,255,.92);border-radius:20px;background:linear-gradient(145deg,#fffffff5,#f8fbfff5),var(--color-surface);box-shadow:0 14px 34px #1c306012}.workspace-stats article{position:relative;overflow:hidden;padding:18px 20px}.workspace-stats article:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--color-primary),rgba(255,128,93,.75))}.workspace-stats span,.workspace-panel p,.workspace-panel small{color:var(--color-muted)}.workspace-stats strong{display:block;margin-top:4px;font-size:1.5rem;line-height:1.15;font-weight:870}.workspace-section{margin-top:42px}.workspace-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:20px}.workspace-section-head.compact{align-items:center;margin-bottom:12px}.workspace-section-head.compact h2{font-size:1.22rem}.workspace-section-head a,.workspace-promo a{color:var(--color-primary);font-weight:850}.workspace-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.workspace-promo{min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:22px;border-radius:24px;background:radial-gradient(circle at 18% 18%,rgba(255,255,255,.28),transparent 14rem),linear-gradient(120deg,#5c7cfa29,#ff7a5a24),var(--color-surface);border:1px solid #d7ddff;padding:24px 28px;box-shadow:0 22px 52px #20305c1a}.workspace-promo strong{display:block;margin-bottom:3px;font-size:1.1rem}.workspace-promo span{color:var(--color-muted)}.split-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.62fr);gap:18px}.workspace-panel{padding:22px}@media (max-width: 900px){.container{width:min(100% - 28px,720px)}.hero-inner,.split,.compliance-matrix,.compliance-rail{grid-template-columns:1fr}.hero-visual{min-height:280px}.grid-3,.grid-4,.steps,.app-shell{grid-template-columns:1fr}.app-sidebar{position:sticky;height:auto;min-height:68px;flex-direction:row;overflow-x:auto;max-width:100vw;scrollbar-width:thin}.app-logo{min-width:76px;min-height:68px;border-bottom:0;border-right:1px solid rgba(255,255,255,.14)}.app-nav{display:flex;flex-direction:row;flex:1 0 auto;min-width:max-content;padding:0;gap:0}.app-nav-group{flex-direction:row;align-items:center}.app-nav-group-label,.app-nav-divider{display:none}.app-nav-item{min-width:80px;height:68px;flex-direction:column;gap:4px;padding:0 10px;font-size:.72rem;border-radius:0;justify-content:center}.app-nav-item[aria-current=page]:before,.app-nav-item:hover:before{inset:auto 18px 0;width:auto;height:3px;border-radius:999px 999px 0 0}.app-sidebar-bottom{margin-left:auto;margin-top:0;padding:0;border-top:0;border-left:1px solid rgba(255,255,255,.16)}.app-header,.workspace-hero,.workspace-promo{align-items:stretch;flex-direction:column}.app-header-actions{flex-wrap:wrap}.app-search{width:100%;min-width:0;flex:1 1 100%}.app-content{width:min(100% - 28px,720px);padding:38px 0 64px}.workspace-tool-grid,.workspace-stats,.split-grid{grid-template-columns:1fr}.workspace-upload-zone{width:100%;min-height:100px;flex-direction:row;gap:12px}.upload-zone-hint{text-align:left}.workspace-feature-card{flex-direction:column;align-items:flex-start}.feature-card-cta{flex-direction:row;gap:10px}.feature-card-icon{width:38px;height:38px;font-size:1.1rem}}.workspace-hero-copy{display:flex;flex-direction:column;gap:10px}.workspace-hero-sub{margin:0;color:var(--color-muted);font-size:.95rem}.quota-row{display:flex;align-items:center;gap:10px;margin-top:4px}.quota-label{color:var(--color-muted);font-size:.82rem;font-weight:700}.quota-dots{display:flex;gap:6px}.quota-dot{width:10px;height:10px;border-radius:999px;background:var(--color-line);transition:background .2s}.quota-dot.used{background:var(--color-primary)}.quota-count{font-size:.82rem;font-weight:800;color:var(--color-primary)}.workspace-upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;width:172px;min-height:152px;flex-shrink:0;border:2px dashed rgba(49,92,246,.32);border-radius:24px;background:linear-gradient(135deg,#315cf612,#6d83ff0a);color:var(--color-primary);transition:border-color .18s,background .18s,transform .18s,box-shadow .18s}.workspace-upload-zone:hover{border-color:#315cf69e;background:linear-gradient(135deg,#315cf61f,#6d83ff14);transform:translateY(-2px);box-shadow:0 16px 36px #315cf624}.upload-zone-icon{font-size:2.1rem;font-weight:900;line-height:1}.upload-zone-label{font-size:1rem;font-weight:860}.upload-zone-hint{font-size:.73rem;color:var(--color-muted);text-align:center}.workspace-feature-card{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:14px;padding:24px 28px;border:1px solid rgba(49,92,246,.2);border-radius:20px;background:linear-gradient(135deg,#315cf612,#6d83ff08),var(--color-surface);box-shadow:0 16px 42px #315cf617;color:var(--color-text);transition:transform .18s,box-shadow .18s}.workspace-feature-card:hover{transform:translateY(-2px);box-shadow:0 26px 60px #315cf624}.feature-card-body{display:flex;flex-direction:column;gap:8px;min-width:0}.feature-card-badge{display:inline-flex;align-items:center;border-radius:999px;background:#315cf61a;color:var(--color-primary);font-size:.72rem;font-weight:900;padding:3px 10px;letter-spacing:.04em;width:fit-content}.feature-card-body h3{margin:0;font-size:1.22rem;font-weight:860}.feature-card-body p{margin:0;color:var(--color-muted);font-size:.88rem;max-width:540px}.feature-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.feature-card-tags span{background:var(--color-surface-soft);border-radius:999px;padding:3px 10px;font-size:.73rem;font-weight:700;color:var(--color-muted)}.feature-card-cta{display:flex;flex-direction:column;align-items:center;gap:8px;flex-shrink:0;color:var(--color-primary);font-weight:850;font-size:.88rem;white-space:nowrap}.feature-card-icon{width:52px;height:52px;display:inline-flex;align-items:center;justify-content:center;border-radius:16px;background:linear-gradient(135deg,var(--color-primary),#7b8dff);color:#fff;font-size:1.4rem;box-shadow:0 12px 28px #315cf647}@media (max-width: 560px){.section{padding:52px 0}.hero{padding-top:18px}.hero-doc{min-height:auto}.hero-doc-sheet{min-height:296px}.paper-stack{position:relative;inset:auto;min-height:220px}.hero-doc-markers li{font-size:.68rem;padding:5px 9px}.hero-doc-bar .check-chip{margin-left:auto}.h1{font-size:clamp(2.45rem,13vw,4rem)}.hero-slogan{white-space:normal;max-width:100%}html[lang=en] .hero-slogan{font-size:clamp(2.4rem,10vw,3.2rem)}html[lang=zh-CN] .hero-slogan{font-size:clamp(2.6rem,11vw,3.4rem)}.btn{width:auto}.app-pro-strip{justify-content:flex-start;font-size:.88rem}.app-header{padding:14px}.app-header h1{font-size:1.45rem}.app-trial-btn{flex:1}.workspace-hero h2,.workspace-section-head h2{font-size:1.42rem}.workspace-section-head{align-items:flex-start;flex-direction:column}.workspace-promo{padding:20px}.compliance-panel{padding:24px 18px;border-radius:22px}.workspace-hero{padding:22px;border-radius:22px}.workspace-upload-actions{box-shadow:0 14px 28px #1d5bf42e}}