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var(--public-landing-bg);--classic-sidebar: #f7f3ed;--classic-hover: rgba(255, 255, 255, .45);--classic-press: rgba(28, 28, 28, .05);--optikka-fg: #1c1c1c;--optikka-muted: rgba(28, 28, 28, .5);--optikka-line: rgba(28, 28, 28, .1);--optikka-accent: #141414;--authed-glass-surface: transparent;--authed-glass-blur: 0px;--authed-glass-shadow: none;--chat-bubble-user-bg: rgba(255, 255, 255, .72);--chat-bubble-user-fg: var(--optikka-fg);--chat-bubble-user-border: var(--optikka-line);--chat-bubble-assistant-bg: rgba(255, 255, 255, .88);--chat-bubble-assistant-fg: var(--optikka-fg);--chat-bubble-assistant-border: var(--optikka-line);--chat-bubble-shadow: none;--chat-user-avatar-bg: #e8e2d6;--chat-user-avatar-fg: var(--optikka-fg);font-family:var(--oboe-font-sans);background:var(--classic-main)}.app-container--authed[data-theme=classic] .authed-sidebar-title,.app-container--authed[data-theme=classic] .main-content--authed,.app-container--authed[data-theme=classic] 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.45rem}.app-container--authed .authed-sidebar--collapsed .settings-entry-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.app-container--authed .authed-sidebar--collapsed .settings-entry-btn{padding:.6rem .45rem}.app-container--authed .authed-sidebar--collapsed .authed-sidebar-brand{display:none}.app-container--authed .authed-sidebar--collapsed .authed-sidebar-brand-row{justify-content:center;width:100%}.authed-main-wrap{flex:1;min-width:0;min-height:0;max-height:100vh;max-height:100dvh;display:flex;flex-direction:column;align-self:stretch;box-sizing:border-box;padding:var(--app-shell-pad-t) var(--app-shell-pad-x) 0 .25rem;overflow:hidden}.authed-glass{flex:1;min-height:0;display:flex;flex-direction:column;border-radius:24px 24px 0 0;background:var(--authed-glass-surface, rgba(255, 255, 255, .46));backdrop-filter:blur(var(--authed-glass-blur, 18px));-webkit-backdrop-filter:blur(var(--authed-glass-blur, 18px));border:none;box-shadow:var( --authed-glass-shadow, 0 10px 40px rgba(67, 56, 202, .1), 0 2px 12px rgba(99, 102, 241, .06) );box-sizing:border-box;overflow:hidden}.main-content--authed{flex:1;min-height:0;min-width:0;display:flex;flex-direction:column;max-width:none;width:100%;margin:0;box-sizing:border-box;padding:.65rem .9rem 1rem .95rem;color:#1e1b4b;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;scrollbar-width:none;-ms-overflow-style:none}.main-content--authed::-webkit-scrollbar{display:none}.app-container--authed .chat-input-wrapper{background:transparent;border-top:none;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}.app-container--authed .chat-input-form{background-color:#fff;border-color:#94a3b8f2;box-shadow:none}.app-container--authed .chat-input-form:focus-within{border-color:#4f46e5d9;box-shadow:none}.app-container--authed .upload-container{justify-content:flex-start;min-height:unset;text-align:left;align-items:stretch;padding:.35rem 0 1.5rem;max-width:40rem;font-size:1.04rem}.app-container--authed .upload-container h2{font-size:1.3rem;font-weight:700;letter-spacing:-.02em;color:#111827;margin-bottom:.35rem}.app-container--authed .upload-container>p{color:#6b7280;font-size:1.02rem;line-height:1.55;margin-bottom:1.25rem}.app-container--authed .upload-box{background-color:#ffffff80;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:2px dashed rgba(165,180,252,.65);border-radius:14px;cursor:pointer}.app-container--authed .upload-box:hover{background-color:#c8dcff66;border-color:#6366f173}.app-container--authed .upload-box__icon{stroke:#4338ca;opacity:.72}.app-container--authed .upload-box__hint{color:#312e81;font-weight:600}.app-container--authed .upload-box__sub{color:#312e81;opacity:.72;font-size:.95rem}.app-container--authed .upload-box__file{color:#1e1b4b;font-weight:600}.app-container--authed .upload-btn{align-self:center;background:#4f46e5;color:#fff;border-radius:12px;font-weight:600;padding:.65rem 1.75rem;box-shadow:0 2px 14px #4f46e547}.app-container--authed .upload-btn:hover:not(:disabled){background:#4338ca}.app-container--authed .upload-btn:disabled{background:#ffffff6b;color:#312e8166;box-shadow:none}.app-container--authed .upload-container .message.success{background:#c7d2fe80;color:#312e81;border-radius:12px}.app-container--authed .upload-container .message.error{border-radius:12px}.app-container--authed .upload-extraction-status .assistant-conclusion-card{border-radius:14px;background:#ffffff8c;border-color:#c7d2fe80}.app-container--authed .upload-extraction-status .assistant-structured-kicker{color:#4f46e5}.app-container--authed .upload-extraction-status .thinking-stage-title{color:#312e81}.app-container--authed .upload-extraction-status .thinking-detail{color:#312e81;opacity:.85}.app-container--authed .upload-extraction-status .thinking-stage{border:none;background:#ffffff8c;color:#4338ca}.app-container--authed .upload-extraction-status .thinking-stage.completed{background:#c7d2fe59;color:#312e81}.app-container--authed .upload-extraction-status .thinking-stage.active{border:none;background:#c8dcff8c;color:#4f46e5;box-shadow:0 6px 18px #6366f11f}.app-container--authed .chat-bubble-row--user .chat-bubble{background:var(--chat-bubble-user-bg);color:var(--chat-bubble-user-fg);border:1px solid var(--chat-bubble-user-border);box-shadow:var(--chat-bubble-shadow)}.app-container--authed .chat-bubble-row--assistant .chat-bubble{background:var(--chat-bubble-assistant-bg);color:var(--chat-bubble-assistant-fg);border:1px solid var(--chat-bubble-assistant-border);box-shadow:var(--chat-bubble-shadow)}.app-container--authed .chat-bubble-avatar--user{background:var(--chat-user-avatar-bg);color:var(--chat-user-avatar-fg);border:1px solid var(--chat-bubble-user-border)}.app-container--authed .messages-list{background:transparent}.app-container--authed .assistant-structured-section,.app-container--authed .assistant-conclusion-card{background:#ffffffb3;border-color:#c7d2fe8c;box-shadow:0 6px 20px #6366f10f}.app-container--authed .auth-layout{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:#0000006b;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.settings-panel-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:75;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:var(--authed-app-shell-gradient);box-sizing:border-box}.settings-panel{width:min(100%,460px);max-height:calc(100vh - 3rem);overflow-y:auto;box-sizing:border-box;padding:1.35rem;border-radius:16px;background:#ffffff9e;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(199,210,254,.7);box-shadow:0 10px 34px #6366f11f;color:#312e81}.settings-panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.15rem}.settings-panel-kicker{margin:0 0 .25rem;font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#6366f1}.settings-panel h3{margin:0;color:#1e1b4b;font-size:1.25rem;font-weight:700;letter-spacing:-.02em}.settings-panel-close{display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border:none;border-radius:10px;background:#6366f11a;color:#4338ca;cursor:pointer;padding:0;transition:background .15s ease}.settings-panel-close:hover,.settings-panel-close:focus-visible{background:#6366f133;outline:none}.settings-section{display:flex;flex-direction:column;gap:.8rem;padding:1rem 0;border-top:1px solid rgba(99,102,241,.18)}.settings-section-copy h4{margin:0 0 .25rem;color:#1e1b4b;font-size:1rem}.settings-section-copy p{margin:0;color:#4338ca;font-size:.9rem;line-height:1.55;opacity:.88}.settings-option-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.55rem}.settings-choice,.settings-theme-choice{border:1px solid rgba(99,102,241,.22);border-radius:12px;background:#ffffff80;color:#312e81;cursor:pointer;font:inherit;font-weight:600;transition:background .15s ease,border-color .15s ease,color .15s ease}.settings-choice{padding:.7rem .85rem}.settings-choice:hover,.settings-choice:focus-visible,.settings-theme-choice:hover,.settings-theme-choice:focus-visible{background:#c8dcff85;border-color:#818cf88c;color:#1e1b4b;outline:none}.settings-choice--active,.settings-theme-choice--active{background:#c8dcffad;border-color:#4f46e58c;color:#4f46e5}.settings-theme-list{display:flex;flex-direction:column;gap:.55rem}.settings-theme-choice{display:flex;align-items:center;gap:.75rem;padding:.65rem .75rem;text-align:left}.settings-theme-swatch{width:2.45rem;height:2.45rem;flex-shrink:0;border-radius:11px;box-shadow:inset 0 0 0 1px #ffffff73}.settings-theme-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-container--authed .modal-overlay,.modal-overlay.authed-dialog-backdrop{background:var(--public-landing-bg);backdrop-filter:none;-webkit-backdrop-filter:none}.confirm-panel{width:min(100%,420px);background:#fffffffa;color:#111827;border:1px solid rgba(229,231,235,.9);border-radius:20px;box-shadow:0 28px 70px #0f172a33;padding:1.5rem;box-sizing:border-box}.app-container--authed .confirm-panel,.confirm-panel.authed-dialog{background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none;border:1px solid rgba(20,18,16,.1);border-radius:16px;box-shadow:0 24px 56px #1412101f;color:var(--optikka-fg)}.confirm-panel h3{margin:0 0 .6rem;font-size:1.2rem}.app-container--authed .confirm-panel h3,.confirm-panel.authed-dialog h3{color:var(--optikka-fg);font-size:1.15rem;font-weight:700;letter-spacing:-.02em}.confirm-panel p{margin:0;color:#4b5563;line-height:1.6}.app-container--authed .confirm-panel p,.confirm-panel.authed-dialog p{color:var(--optikka-muted);opacity:1}.confirm-panel-actions{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1.5rem}.app-container--authed .confirm-panel .secondary-btn,.confirm-panel.authed-dialog .secondary-btn{width:auto;min-width:128px;background:#fcfaf8f2;color:var(--optikka-fg);border:1px solid rgba(20,18,16,.12)}.app-container--authed .confirm-panel .secondary-btn:hover:not(:disabled),.confirm-panel.authed-dialog .secondary-btn:hover:not(:disabled){background:#f5f3ef;border-color:#1412102e;color:var(--optikka-fg)}.app-container--authed .confirm-panel .danger-btn,.confirm-panel.authed-dialog .danger-btn{width:auto;min-width:128px;box-shadow:none}.confirm-panel-button{width:auto;min-width:128px}.profile-modal-overlay{z-index:70}.nickname-modal-shell{width:min(100%,420px)}.profile-modal-overlay .auth-card.authed-nickname-surface{margin:0}.auth-card.authed-nickname-surface,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface,.profile-modal-overlay .auth-card.authed-nickname-surface{background:#ffffff94;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(199,210,254,.65);border-radius:14px;box-shadow:0 6px 24px #6366f114}.auth-card.authed-nickname-surface h2,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface h2{color:#1e1b4b;font-weight:700;letter-spacing:-.02em}.auth-card.authed-nickname-surface p,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface p{color:#4338ca;opacity:.9}.auth-card.authed-nickname-surface .auth-form input,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface .auth-form input{border:1px solid rgba(199,210,254,.85);background:#ffffffa6;color:#1e1b4b}.auth-card.authed-nickname-surface .auth-form input:focus,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface .auth-form input:focus{outline:none;border-color:#818cf8;box-shadow:0 0 0 3px #c7d2fe73}.auth-card.authed-nickname-surface .primary-btn,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface .primary-btn{background:#6366f11a;color:#4338ca;border:none;border-radius:10px;font-weight:600}.auth-card.authed-nickname-surface .primary-btn:hover:not(:disabled),.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface .primary-btn:hover:not(:disabled){background:#6366f133;color:#4338ca}.auth-card.authed-nickname-surface .primary-btn:disabled,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface .primary-btn:disabled{opacity:.5}.auth-card.authed-nickname-surface .secondary-btn,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface .secondary-btn{background:#ffffff8c;color:#312e81;border:1px solid rgba(99,102,241,.28);border-radius:9999px;font-weight:600;letter-spacing:.02em}.auth-card.authed-nickname-surface .secondary-btn:hover:not(:disabled),.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface .secondary-btn:hover:not(:disabled){border-color:#818cf8;color:#4f46e5;background:#fffc}.auth-card.authed-nickname-surface .secondary-btn:disabled,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface .secondary-btn:disabled{opacity:.5}.auth-card.authed-nickname-surface .message.success,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface .message.success{background:#c7d2fe59;color:#14532d;border:none;box-shadow:none}.auth-card.authed-nickname-surface .message.error,.app-container--authed .main-content--authed .auth-layout .auth-card.authed-nickname-surface .message.error{background:#fee2e280;color:#991b1b;border:none;box-shadow:none}.main-content{flex:1;padding:2rem 2rem 0;max-width:980px;margin:0 auto;width:100%;box-sizing:border-box;min-height:0}.main-content.main-content--authed{max-width:none;margin:0}.public-app-container{flex:1;min-height:0;display:flex;flex-direction:column;height:100vh;max-height:100vh;height:100dvh;max-height:100dvh;overflow-x:auto;overflow-y:hidden;background:var(--public-landing-bg);color:inherit}.public-main{flex:1;display:flex;flex-direction:column;min-height:0;min-width:0;overflow-x:auto;overflow-y:hidden}.landing-minimal{flex:1;display:flex;align-items:center;justify-content:center;min-height:0;min-width:0;width:100%;padding:2rem clamp(1rem,4vw,2rem);box-sizing:border-box;background:var(--public-landing-bg);color:var(--optikka-fg)}.landing-minimal-inner{display:flex;flex-direction:column;align-items:center;gap:2rem;text-align:center;width:100%;max-width:100%;box-sizing:border-box}.landing-minimal-brand-stack{display:flex;flex-direction:column;align-items:center;width:100%;max-width:100%;box-sizing:border-box}.landing-minimal-divider{position:relative;width:min(36rem,calc(100% - 2rem));height:1px;margin:1rem auto .85rem;flex-shrink:0;border:none;background:transparent;overflow:visible}.landing-minimal-divider:before{content:"";position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);height:1px;background:#1c1c1c14;pointer-events:none}.public-app-container[data-theme=classic] .landing-minimal-brand{margin:0;font-family:var(--oboe-font-serif);font-size:clamp(1.85rem,min(8vw,7.25vi),4.85rem);font-weight:500;line-height:1.28;letter-spacing:-.03em;color:var(--optikka-fg);white-space:nowrap;max-width:none}.public-app-container[data-theme=classic] .landing-minimal-powered.empty-state-powered{margin-top:0;flex-wrap:nowrap;justify-content:center;max-width:none;width:100%}.public-app-container[data-theme=classic] .landing-minimal-powered .empty-state-powered-text.landing-minimal-tagline{flex:0 1 auto;min-width:0;white-space:nowrap}.public-app-container[data-theme=classic] .landing-minimal-powered .empty-state-subtitle-lead{color:var(--optikka-muted)}.landing-minimal-login{display:inline-flex;align-items:center;justify-content:center;min-height:3.15rem;padding:0 2rem;border:none;border-radius:10px;background:#141414;color:#fff;font-family:var(--oboe-font-serif);font-size:1.28rem;font-weight:600;letter-spacing:.06em;text-decoration:none;cursor:pointer;transition:filter .15s ease,background .15s ease}.landing-minimal-login:hover{filter:brightness(1.06)}.landing-minimal-login:focus-visible{outline:2px solid var(--optikka-accent);outline-offset:3px}@keyframes profileFadeIn{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.profile-fade-in{animation:profileFadeIn .9s cubic-bezier(.22,1,.36,1) both}.scroll-fade-in{opacity:0;transform:translateY(32px);transition:opacity .75s cubic-bezier(.22,1,.36,1) var(--scroll-fade-delay, 0s),transform .75s cubic-bezier(.22,1,.36,1) var(--scroll-fade-delay, 0s)}.scroll-fade-in.scroll-fade-visible{opacity:1;transform:translateY(0)}.optikka-landing{display:flex;flex-direction:column;flex:1;width:100%;min-height:0;overflow:hidden;background:var(--public-landing-bg);color:var(--optikka-fg);font-family:sans-serif;--optikka-landing-prop-body: clamp(.9rem, 1.35vw, 1.08rem);--optikka-landing-body-min: .9rem;--optikka-landing-arch-eyebrow: clamp(.93rem, 1.25vw, 1.04rem)}.optikka-topbar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:auto;flex-shrink:0;width:100%;box-sizing:border-box;border-bottom:1px solid var(--optikka-line);background:var(--public-landing-bg);z-index:4}.optikka-topbar .optikka-cell{border-bottom:none}.optikka-topbar>.optikka-cell:nth-child(5){border-right:none}.optikka-scroll{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}.optikka-scroll::-webkit-scrollbar{display:none}.optikka-hero-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:auto minmax(0,1fr);width:100%;min-height:min(92vh,52rem);box-sizing:border-box;border-bottom:1px solid var(--optikka-line)}.optikka-cell{position:relative;padding:clamp(1.1rem,2vw,1.5rem) clamp(.65rem,1.2vw,.85rem);box-sizing:border-box;border-right:1px solid var(--optikka-line);border-bottom:1px solid var(--optikka-line);display:flex;align-items:center}.optikka-topbar .optikka-cell--brand{grid-column:1;grid-row:1}.optikka-topbar .optikka-cell--nav{grid-column:2;grid-row:1;justify-content:center}.optikka-topbar .optikka-cell--nav-arch{grid-column:3;grid-row:1;justify-content:center}.optikka-topbar .optikka-cell--nav2{grid-column:4;grid-row:1;justify-content:center}.optikka-topbar .optikka-cell--cta{grid-column:5;grid-row:1;justify-content:center;align-items:center}.optikka-hero-grid .optikka-cell--visual-main{grid-column:1 / span 5;grid-row:1;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding-bottom:.6rem;min-height:0;overflow:visible}.optikka-visual-stack{display:flex;flex-direction:column;align-items:flex-start;gap:clamp(.65rem,2vw,1.1rem);width:100%;min-height:0}.optikka-powered{display:flex;align-items:center;gap:.65rem;min-width:0}.optikka-deepseek-logo{flex-shrink:0;width:clamp(26px,4vw,34px);height:clamp(26px,4vw,34px);object-fit:contain}.optikka-powered-text{font-size:var(--optikka-landing-body-min);font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--optikka-muted)}.optikka-hero-grid .optikka-cell--headline{grid-column:1 / span 2;grid-row:2;align-items:flex-end;justify-content:flex-start;align-self:stretch;min-height:0;padding-top:clamp(1rem,2.75vh,1.85rem);padding-bottom:clamp(1.1rem,2vw,1.5rem);border-bottom:none}.optikka-hero-grid .optikka-cell--copy{grid-column:3 / span 3;grid-row:2;align-items:center;justify-content:flex-start;align-self:stretch;min-height:0;padding-top:clamp(1rem,2.75vh,1.85rem);padding-bottom:clamp(1.1rem,2vw,1.5rem);border-bottom:none;border-right:none}.optikka-brand{font-size:1.12rem;font-weight:800;letter-spacing:.16em}.optikka-nav{font-family:inherit;font-size:.92rem;font-weight:600;line-height:1.2;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:inherit;text-align:center;transition:color .15s ease}.optikka-nav:hover,.optikka-nav:focus-visible{color:var(--optikka-accent)}span.optikka-nav.optikka-nav--static{cursor:default}span.optikka-nav.optikka-nav--static:hover,span.optikka-nav.optikka-nav--static:focus-visible{color:inherit}button.optikka-nav{-moz-appearance:none;appearance:none;-webkit-appearance:none;background:none;border:none;padding:0;margin:0;cursor:pointer;flex-shrink:0}button.optikka-nav:hover,button.optikka-nav:focus-visible{color:var(--optikka-accent);outline:none}a.optikka-nav{display:inline-block;vertical-align:baseline}.optikka-cell--nav2 .optikka-nav,.optikka-cell--cta .optikka-nav{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;text-align:center;box-sizing:border-box}.optikka-landing[data-locale=zh] .optikka-nav,.optikka-landing[data-locale=zh] .optikka-powered-text{text-transform:none;letter-spacing:.06em}.optikka-torus-wrap{width:min(100%,680px);max-height:min(52vh,420px);align-self:flex-start;flex-shrink:1;min-height:0;overflow:hidden}.optikka-torus{display:block;width:100%;max-width:100%;height:auto;max-height:100%}.optikka-headline{margin:0;font-family:inherit;font-size:clamp(2.35rem,4.25vw,3.45rem);font-weight:700;line-height:1.22;letter-spacing:-.02em;color:var(--optikka-fg)}.optikka-body{margin:0;font-size:clamp(1.18rem,1.95vw,1.42rem);line-height:1.65;color:var(--optikka-muted);max-width:none}.optikka-accent{color:var(--optikka-accent);font-weight:600}.optikka-quotes{display:flex;flex-direction:column;justify-content:space-evenly;gap:clamp(2rem,6vh,4rem);min-height:max(36rem,calc(100vh - 4.25rem));min-height:max(36rem,calc(100dvh - 4.25rem));padding:clamp(2.75rem,7vh,4.5rem) clamp(.65rem,1.2vw,.85rem) clamp(3rem,8vh,5rem);box-sizing:border-box;max-width:52rem;margin:0 auto}.optikka-quote{margin:0;padding:clamp(2rem,5vh,3.25rem) 0;border-bottom:1px solid var(--optikka-line);font-size:clamp(1.12rem,1.75vw,1.42rem);line-height:1.62;color:var(--optikka-muted);flex-shrink:0}.optikka-quote:last-of-type{border-bottom:none;padding-bottom:clamp(1.25rem,3vh,2rem)}.optikka-quote p{margin:0 0 .65rem}.optikka-quote footer{margin:0}.optikka-quote-cite{font-style:normal;font-weight:700;font-size:.92em;letter-spacing:.04em;color:var(--optikka-fg)}.optikka-landing[data-locale=zh] .optikka-quote-cite{letter-spacing:.06em}@media (max-width: 800px){.optikka-topbar{grid-template-columns:1fr 1fr;grid-template-rows:auto auto auto}.optikka-hero-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto auto minmax(0,1fr);min-height:min(88vh,48rem)}.optikka-cell{border-right:1px solid var(--optikka-line);border-bottom:1px solid var(--optikka-line)}.optikka-topbar .optikka-cell--brand{grid-column:1;grid-row:1}.optikka-topbar 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