.sidebar{width:var(--sidebar-width);height:100vh;background:var(--bg-sidebar);border-left:1px solid var(--border-color);display:flex;flex-direction:column;transition:width var(--transition-normal);overflow:hidden;flex-shrink:0;position:sticky;top:0;z-index:var(--z-sidebar)}.sidebar--collapsed{width:var(--sidebar-collapsed-width)}.sidebar__header{display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-lg);height:var(--header-height);border-bottom:1px solid var(--border-color)}.sidebar__logo{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--text-primary);letter-spacing:-.02em}.sidebar__toggle{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);color:var(--text-tertiary);transition:all var(--transition-fast)}.sidebar__toggle:hover{background:var(--bg-hover);color:var(--text-secondary)}.sidebar__nav{flex:1;overflow-y:auto;padding:var(--space-sm)}.sidebar__link{display:flex;align-items:center;gap:var(--space-md);padding:8px 12px;border-radius:var(--border-radius-md);color:var(--text-secondary);font-size:var(--font-size-md);transition:all var(--transition-fast);margin-bottom:2px;white-space:nowrap}.sidebar__link:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar__link--active{background:var(--color-primary-light);color:var(--color-primary);font-weight:var(--font-weight-medium)}.sidebar__label{font-size:var(--font-size-sm)}.sidebar__divider{height:1px;background:var(--border-color);margin:var(--space-sm) var(--space-md)}@media(max-width:768px){.sidebar{position:fixed;transform:translate(-100%);z-index:var(--z-sidebar)}.sidebar--mobile-open{transform:translate(0)}}.dropdown{position:relative;display:inline-block}.dropdown__menu{position:absolute;top:calc(100% + 4px);min-width:180px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius-md);box-shadow:var(--shadow-lg);z-index:var(--z-dropdown);padding:var(--space-xs);animation:fadeIn .1s ease}.dropdown__menu--right{right:0}.dropdown__menu--left{left:0}.dropdown__item{display:flex;align-items:center;gap:var(--space-sm);width:100%;padding:var(--space-sm) var(--space-md);border-radius:var(--border-radius-sm);font-size:var(--font-size-md);color:var(--text-primary);text-align:left}.dropdown__item:hover{background:var(--bg-hover)}.dropdown__item-icon{display:flex;align-items:center;color:var(--text-secondary)}.dropdown__divider{height:1px;background:var(--border-color);margin:var(--space-xs) 0}.header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-xl);background:var(--bg-primary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:var(--z-header)}.header__left{display:flex;align-items:center;gap:var(--space-md)}.header__menu-btn{display:none;font-size:20px;padding:var(--space-sm);border-radius:var(--border-radius-sm)}.header__menu-btn:hover{background:var(--bg-hover)}.header__right{display:flex;align-items:center;gap:var(--space-md)}.header__avatar-btn{width:36px;height:36px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:16px}.header__avatar-btn:hover{background:var(--border-color)}.header__workspace-btn{display:inline-flex;align-items:center;gap:var(--space-xs);max-width:240px;padding:6px 10px;border:1px solid var(--border-color);border-radius:var(--border-radius-md);background:var(--bg-secondary);color:var(--text-primary);font-size:var(--font-size-sm);font-family:var(--font-family)}.header__workspace-btn:hover{background:var(--bg-hover)}.header__workspace-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(max-width:768px){.header__menu-btn{display:flex}}.app-layout{display:flex;min-height:100vh}.app-layout__main{flex:1;display:flex;flex-direction:column;min-width:0}.app-layout__content{flex:1;padding:var(--space-xl);max-width:var(--content-max-width);width:100%;margin:0 auto}.app-layout__overlay{display:none}@media(max-width:768px){.app-layout__content{padding:var(--space-lg)}.app-layout__overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-overlay);z-index:calc(var(--z-sidebar) - 1)}}.admin-layout{display:flex;min-height:100vh;background:var(--bg-secondary)}.admin-sidebar{width:240px;background:var(--bg-primary);border-left:1px solid var(--border-color);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}.admin-sidebar__header{padding:var(--space-lg);border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:var(--space-sm)}.admin-sidebar__title{font-weight:700;font-size:var(--font-size-lg);color:var(--color-primary)}.admin-sidebar__nav{padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-xs)}.admin-sidebar__link{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--border-radius-md);color:var(--text-secondary);text-decoration:none;font-size:var(--font-size-sm);transition:all var(--transition-fast)}.admin-sidebar__link:hover{background:var(--bg-secondary);color:var(--text-primary)}.admin-sidebar__link--active{background:var(--color-primary-light);color:var(--color-primary);font-weight:600}.admin-sidebar__divider{height:1px;background:var(--border-color);margin:var(--space-sm) 0}.admin-main{flex:1;padding:var(--space-xl);overflow-y:auto}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-xl)}.admin-header__back{display:flex;align-items:center;gap:var(--space-sm);color:var(--text-secondary);text-decoration:none;font-size:var(--font-size-sm)}.admin-header__back:hover{color:var(--color-primary)}.spinner{display:inline-flex;align-items:center;justify-content:center}.spinner__circle{border:2.5px solid var(--border-color);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}.spinner--sm .spinner__circle{width:16px;height:16px}.spinner--md .spinner__circle{width:24px;height:24px}.spinner--lg .spinner__circle{width:36px;height:36px}.error-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center}.error-page__code{font-size:72px;font-weight:var(--font-weight-bold);color:var(--border-color);line-height:1;margin-bottom:var(--space-lg)}.error-page__title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-semibold);margin-bottom:var(--space-sm)}.error-page__desc{color:var(--text-secondary);margin-bottom:var(--space-xl);max-width:400px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:var(--border-radius-md);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;line-height:1;font-family:var(--font-family)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--color-primary);color:var(--text-inverse)}.btn--primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn--secondary{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-color)}.btn--secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--text-tertiary)}.btn--danger{background:var(--color-danger);color:var(--text-inverse)}.btn--danger:hover:not(:disabled){background:var(--color-danger-hover)}.btn--ghost{background:transparent;color:var(--text-secondary)}.btn--ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.btn--outline{background:transparent;border:1px solid var(--border-color);color:var(--text-primary)}.btn--outline:hover:not(:disabled){background:var(--bg-hover);border-color:var(--text-tertiary)}.btn--sm{padding:6px 12px;font-size:var(--font-size-xs)}.btn--md{padding:8px 16px;font-size:var(--font-size-sm)}.btn--lg{padding:10px 20px;font-size:var(--font-size-md)}.btn--full{width:100%}.btn__spinner{width:14px;height:14px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--border-radius-full);font-size:11px;font-weight:var(--font-weight-medium);line-height:1.5;white-space:nowrap}.badge--default{background:var(--bg-tertiary);color:var(--text-secondary)}.badge--success{background:var(--color-success-light);color:var(--color-success)}.badge--warning{background:var(--color-warning-light);color:var(--color-warning)}.badge--danger{background:var(--color-danger-light);color:var(--color-danger)}.badge--info{background:var(--color-info-light);color:var(--color-info)}.landing{--landing-ink: #0b1220;--landing-ink-soft: #2a3447;--landing-ink-muted: #5b6577;--landing-paper: #fbfaf7;--landing-paper-2: #f4f1ea;--landing-line: #e6e1d6;--landing-line-soft: #efebe1;--landing-accent: #1f3a8a;--landing-accent-2: #2748b0;--landing-accent-soft:#eef1f8;--landing-warn: #a8324a;--landing-success: #16794e;--landing-violet: #6c4ad6;--landing-radius-sm: 6px;--landing-radius-md: 10px;--landing-radius-lg: 14px;background:var(--landing-paper);color:var(--landing-ink);font-family:var(--font-family);overflow-x:hidden}.landing *{box-sizing:border-box}.landing-eyebrow{display:inline-block;font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);letter-spacing:.12em;color:var(--landing-accent);background:var(--landing-accent-soft);padding:6px 12px;border-radius:var(--landing-radius-sm);text-transform:uppercase;margin-bottom:var(--space-lg)}.landing-eyebrow--inverse{color:#d9e1f5;background:#ffffff14}.landing-section__inner{max-width:1160px;margin:0 auto;padding:0 var(--space-xl)}.landing-section{padding:96px 0}.landing-section--alt{background:#fff;border-top:1px solid var(--landing-line-soft);border-bottom:1px solid var(--landing-line-soft)}.landing-section--dark{background:var(--landing-ink);color:#e6e8ee;border-top:1px solid var(--landing-ink);border-bottom:1px solid var(--landing-ink)}.landing-section__head{max-width:720px;margin:0 auto var(--space-4xl);text-align:center}.landing-section__title{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:var(--font-weight-bold);letter-spacing:-.01em;line-height:1.25;color:var(--landing-ink);margin:0 0 var(--space-md)}.landing-section__title--inverse{color:#fff}.landing-section__desc{font-size:var(--font-size-lg);color:var(--landing-ink-muted);line-height:1.7;margin:0}.landing-section__desc--inverse{color:#b8bdc9}.landing-header{position:sticky;top:0;z-index:100;background:#fbfaf7d9;-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--landing-line-soft)}.landing-header__inner{max-width:1160px;margin:0 auto;padding:0 var(--space-xl);height:68px;display:flex;align-items:center;gap:var(--space-2xl)}.landing-header__brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--landing-ink);font-weight:var(--font-weight-bold)}.landing-header__mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:var(--landing-ink);color:#fff}.landing-header__wordmark{font-size:var(--font-size-lg);letter-spacing:-.01em}.landing-header__nav{display:flex;align-items:center;gap:var(--space-xl);margin-inline-start:auto}.landing-header__nav a{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--landing-ink-soft);text-decoration:none;transition:color var(--transition-fast)}.landing-header__nav a:hover{color:var(--landing-ink)}.landing-header__actions{display:flex;gap:var(--space-sm)}@media(max-width:900px){.landing-header__nav{display:none}}@media(max-width:600px){.landing-header__actions .btn:not(.btn--primary){display:none}}.landing-hero{padding:80px 0 64px;background:radial-gradient(1200px 400px at 50% 0%,var(--landing-accent-soft) 0%,transparent 70%),var(--landing-paper);border-bottom:1px solid var(--landing-line-soft)}.landing-hero__inner{max-width:1160px;margin:0 auto;padding:0 var(--space-xl);display:grid;grid-template-columns:1.05fr 1fr;gap:var(--space-4xl);align-items:center}.landing-hero__title{font-size:clamp(2rem,4.2vw,3.25rem);font-weight:var(--font-weight-bold);letter-spacing:-.02em;line-height:1.2;color:var(--landing-ink);margin:0 0 var(--space-xl)}.landing-hero__title-accent{color:var(--landing-accent)}.landing-hero__desc{font-size:var(--font-size-lg);color:var(--landing-ink-muted);line-height:1.75;margin:0 0 var(--space-2xl);max-width:560px}.landing-hero__actions{display:flex;gap:var(--space-md);flex-wrap:wrap;margin-bottom:var(--space-2xl)}.landing-hero__trust{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:var(--space-md) var(--space-2xl);color:var(--landing-ink-muted);font-size:var(--font-size-sm)}.landing-hero__trust li{display:inline-flex;align-items:center;gap:6px}.landing-hero__trust li svg{color:var(--landing-accent);flex-shrink:0}.landing-hero__visual{display:flex;justify-content:center}@media(max-width:960px){.landing-hero{padding:56px 0 40px}.landing-hero__inner{grid-template-columns:1fr;gap:var(--space-2xl)}}.sample-card{width:100%;max-width:460px;background:#fff;border-radius:var(--landing-radius-lg);border:1px solid var(--landing-line);box-shadow:0 30px 60px -30px #0b122040;overflow:hidden;font-family:var(--font-family);transform:rotate(-1.5deg)}.sample-card__chrome{display:flex;gap:6px;padding:10px 14px;background:#f6f4ee;border-bottom:1px solid var(--landing-line-soft)}.sample-card__chrome span{width:9px;height:9px;border-radius:50%;background:#d8d3c5}.sample-card__body{padding:20px 22px 22px}.sample-card__row{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:var(--font-size-sm);padding:4px 0}.sample-card__label{color:var(--landing-ink-muted);font-weight:var(--font-weight-medium)}.sample-card__value{color:var(--landing-ink);font-weight:var(--font-weight-semibold);direction:ltr;text-align:end;font-variant-numeric:tabular-nums}.sample-card__title{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);margin:12px 0 14px;color:var(--landing-ink);letter-spacing:-.01em}.sample-card__divider{height:1px;background:var(--landing-line-soft);margin:12px 0 14px}.sample-card__signer{display:flex;align-items:center;gap:14px;padding:6px 0 14px}.sample-card__signature{width:120px;height:40px;color:var(--landing-accent);flex-shrink:0}.sample-card__signer-name{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--landing-ink)}.sample-card__signer-role{font-size:var(--font-size-xs);color:var(--landing-ink-muted);margin-top:2px}.sample-card__footer{display:flex;justify-content:space-between;align-items:center;padding-top:10px;border-top:1px solid var(--landing-line-soft)}.sample-card__step{font-size:var(--font-size-xs);color:var(--landing-ink-muted);font-weight:var(--font-weight-medium)}@media(max-width:480px){.sample-card{transform:none}}.sample-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#0b12208c;display:flex;align-items:center;justify-content:center;padding:var(--space-xl);animation:landing-fade .2s ease}@keyframes landing-fade{0%{opacity:0}to{opacity:1}}.sample-modal__panel{position:relative;background:#fff;border-radius:var(--landing-radius-lg);border:1px solid var(--landing-line);max-width:560px;width:100%;padding:32px 32px 24px;box-shadow:0 30px 80px -20px #0b122073;max-height:calc(100vh - 80px);overflow-y:auto}.sample-modal__close{position:absolute;top:12px;left:12px;width:32px;height:32px;border:1px solid var(--landing-line);background:var(--landing-paper);border-radius:8px;font-size:18px;cursor:pointer;color:var(--landing-ink-muted);display:flex;align-items:center;justify-content:center}.sample-modal__close:hover{color:var(--landing-ink)}.sample-modal__header{margin-bottom:var(--space-xl)}.sample-modal__header h3{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--landing-ink);margin:0 0 6px}.sample-modal__meta{font-size:var(--font-size-sm);color:var(--landing-ink-muted);direction:ltr;text-align:start}.sample-modal__body p{font-size:var(--font-size-md);line-height:1.8;color:var(--landing-ink-soft);margin:0 0 10px}.sample-modal__body p strong{color:var(--landing-ink);font-weight:var(--font-weight-semibold);margin-inline-end:6px}.sample-modal__footer{display:flex;align-items:center;gap:12px;margin-top:var(--space-2xl);padding-top:var(--space-lg);border-top:1px solid var(--landing-line-soft)}.sample-modal__note{font-size:var(--font-size-xs);color:var(--landing-ink-muted);line-height:1.6}.landing-workflow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(7,1fr);gap:var(--space-md);position:relative}.landing-workflow:before{content:"";position:absolute;top:28px;inset-inline-start:0;inset-inline-end:0;height:1px;background:var(--landing-line);z-index:0}.landing-workflow__step{position:relative;text-align:center;z-index:1;padding:0 6px}.landing-workflow__node{width:56px;height:56px;margin:0 auto var(--space-md);border-radius:50%;background:#fff;border:1.5px solid var(--node-color);color:var(--node-color);display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 6px 18px -10px #0b12202e}.landing-workflow__index{position:absolute;top:-8px;inset-inline-end:-8px;width:22px;height:22px;border-radius:50%;background:var(--node-color);color:#fff;font-size:11px;font-weight:var(--font-weight-bold);display:flex;align-items:center;justify-content:center}.landing-workflow__title{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--landing-ink);margin:0 0 6px;line-height:1.4}.landing-workflow__desc{font-size:var(--font-size-xs);color:var(--landing-ink-muted);line-height:1.65;margin:0}@media(max-width:1024px){.landing-workflow{grid-template-columns:repeat(4,1fr)}.landing-workflow:before{display:none}}@media(max-width:600px){.landing-workflow{grid-template-columns:repeat(2,1fr)}}.landing-features{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--landing-line-soft);border:1px solid var(--landing-line-soft);border-radius:var(--landing-radius-lg);overflow:hidden}.landing-feature{padding:28px 24px;background:#fff;display:flex;flex-direction:column;gap:8px;min-height:180px;transition:background var(--transition-fast)}.landing-feature:hover{background:var(--landing-paper)}.landing-feature__icon{width:40px;height:40px;border-radius:8px;background:var(--landing-accent-soft);color:var(--landing-accent);display:flex;align-items:center;justify-content:center;margin-bottom:4px}.landing-feature__title{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--landing-ink);margin:0}.landing-feature__desc{font-size:var(--font-size-sm);color:var(--landing-ink-muted);line-height:1.65;margin:0}@media(max-width:1024px){.landing-features{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.landing-features{grid-template-columns:1fr}}.landing-tour{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:var(--space-xl);align-items:start}.landing-tour__card{margin:0;display:flex;flex-direction:column;gap:var(--space-md)}.browser-chrome{display:flex;align-items:center;gap:12px;background:#f1ede4;border:1px solid var(--landing-line);border-bottom:0;border-top-left-radius:var(--landing-radius-md);border-top-right-radius:var(--landing-radius-md);padding:10px 14px}.browser-chrome__dots{display:inline-flex;gap:6px}.browser-chrome__dots span{width:9px;height:9px;border-radius:50%;background:#d8d3c5}.browser-chrome__bar{flex:1;height:22px;background:#fff;border:1px solid var(--landing-line-soft);border-radius:6px;font-size:var(--font-size-xs);color:var(--landing-ink-muted);display:flex;align-items:center;padding:0 12px;font-weight:var(--font-weight-medium)}.mock-mock{background:#fff;border:1px solid var(--landing-line);border-top:0;border-bottom-left-radius:var(--landing-radius-md);border-bottom-right-radius:var(--landing-radius-md);padding:20px;display:flex;flex-direction:column;gap:16px;box-shadow:0 16px 30px -24px #0b12202e}.landing-tour__caption{text-align:center;font-size:var(--font-size-sm);color:var(--landing-ink-soft);display:flex;flex-direction:column;gap:4px}.landing-tour__caption strong{color:var(--landing-ink);font-weight:var(--font-weight-semibold)}.landing-tour__caption span{color:var(--landing-ink-muted)}@media(max-width:1024px){.landing-tour{grid-template-columns:1fr 1fr}.landing-tour__card:first-child{grid-column:span 2}}@media(max-width:700px){.landing-tour{grid-template-columns:1fr}.landing-tour__card:first-child{grid-column:auto}}.mock-row{display:flex;gap:10px}.mock-row--stats{gap:12px}.mock-stat{flex:1;background:var(--landing-paper);border:1px solid var(--landing-line-soft);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:2px;position:relative}.mock-stat:before{content:"";position:absolute;top:0;inset-inline-start:0;width:3px;height:100%;background:var(--accent, var(--landing-accent));border-top-right-radius:0;border-top-left-radius:0}.mock-stat__label{font-size:11px;color:var(--landing-ink-muted)}.mock-stat__value{font-size:18px;font-weight:var(--font-weight-bold);color:var(--landing-ink);font-variant-numeric:tabular-nums;direction:ltr;text-align:start}.mock-row--cards{gap:14px}.mock-card-mock{flex:1;background:var(--landing-paper);border:1px solid var(--landing-line-soft);border-radius:8px;overflow:hidden}.mock-card-mock__head{font-size:12px;font-weight:var(--font-weight-semibold);color:var(--landing-ink);padding:10px 12px;background:#fff;border-bottom:1px solid var(--landing-line-soft)}.mock-list-row{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-top:1px solid 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