/* NEN · Norelyn Mist Blue visual language. NEN branding remains independent. */
:root{--mist-bg:#F6F9FA;--mist-paper:#FFF;--mist-ink:#171A1C;--mist-muted:#68747C;--mist-line:#DDE3E6;--mist-accent:#5F7F96;--mist-strong:#314B5D;--mist-green:#71857D;--mist-focus:#497B9B}
html{scrollbar-gutter:stable}
body{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC",sans-serif;background:var(--mist-bg);color:var(--mist-ink);letter-spacing:0;line-height:1.65}
:focus-visible{outline:2px solid var(--mist-focus);outline-offset:3px}
.container{width:min(1180px,calc(100% - 72px))}
.eyebrow{font-size:11px;font-weight:750;letter-spacing:.15em;color:var(--mist-accent)}
.gradient-text,.light-ui .gradient-text{background:none!important;background-clip:initial!important;-webkit-background-clip:initial!important;color:inherit!important}
.pill,body.light-ui .pill{background:transparent;border:0;border-radius:0;padding:0;color:var(--mist-accent);font-size:11px;font-weight:750;letter-spacing:.13em;text-transform:uppercase}
.hero .pill .dot{display:none}
.site-header,body.light-ui .site-header{background:rgba(246,249,250,.94);border-bottom:1px solid rgba(49,75,93,.12);box-shadow:none;backdrop-filter:blur(16px)}
.header-inner{height:68px;gap:30px}
.brand,body.light-ui .brand{font-size:16px;letter-spacing:-.02em;font-weight:680;color:var(--mist-ink)}
.brand-symbol{height:26px;width:28px;border:0;border-radius:0;background:none;box-shadow:none}
.brand-symbol svg{width:25px;height:25px}
.brand span small{color:var(--mist-muted);font-size:9px;letter-spacing:.1em;font-weight:600}
.main-nav{gap:20px}
.nav-link,body.light-ui .nav-link{color:#5D6A72;padding:12px 0;border-radius:0;background:none;font-size:13px;font-weight:540}
.nav-link.active,.nav-link:hover,body.light-ui .nav-link.active,body.light-ui .nav-link:hover{color:var(--mist-strong);background:none}
.nav-link.active{box-shadow:inset 0 -1px 0 var(--mist-strong)}
.head-actions{gap:7px}
.icon-button,body.light-ui .icon-button,.lang-btn,body.light-ui .lang-btn{color:#53646F}
.icon-button{width:40px;height:40px;min-width:40px;border-radius:3px}
.icon-button:hover{background:#E8EFF2;color:var(--mist-strong)}
.notification-dot{width:5px;height:5px;border-radius:0;top:6px;right:8px;background:var(--mist-green)}
.btn{min-height:45px;padding:11px 17px;border-radius:4px;font-size:13px;font-weight:650;box-shadow:none;transition:background-color .16s,border-color .16s,transform .16s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--mist-strong);color:#FFF;box-shadow:none}
.btn.primary:hover{background:#47677D}
.btn.outline,body.light-ui .btn.outline,.btn.ghost,body.light-ui .btn.ghost{background:transparent;border:1px solid #C7D1D7;color:var(--mist-strong)}
.btn.outline:hover,.btn.ghost:hover{background:#EEF3F5;border-color:#879BA7}
.btn.white{background:var(--mist-strong);color:white}
.btn.small{min-height:39px;font-size:12px}
.mobile-menu,body.light-ui .mobile-menu{background:#F6F9FA;border-color:var(--mist-line);box-shadow:0 18px 30px rgba(20,37,45,.08)}
.mobile-menu .nav-link{padding:14px 12px;border-bottom:1px solid var(--mist-line);min-height:48px}
.hero,body.light-ui .hero{min-height:0;overflow:visible;isolation:auto;background:linear-gradient(180deg,#F9FBFC,#F6F9FA);color:var(--mist-ink)}
.hero::before,.hero::after{display:none}
.hero-grid{display:block;padding-top:clamp(98px,12vw,166px);padding-bottom:clamp(112px,13vw,174px)}
.hero-copy{max-width:1000px}
.hero h1,body.light-ui .hero h1{font-size:clamp(56px,7.4vw,100px);font-weight:560;line-height:1.06;letter-spacing:-.064em;max-width:1000px;margin:23px 0 29px;color:var(--mist-ink);text-wrap:balance}
.hero-sub,body.light-ui .hero-sub{max-width:660px;color:var(--mist-muted);font-size:clamp(16px,1.7vw,20px);line-height:1.86}
.hero-actions{margin-top:34px;gap:10px}
.hero-checks,body.light-ui .hero-checks{margin-top:39px;gap:26px;color:#708088;font-size:12px}
.hero-checks svg{color:var(--mist-green)}
.hero .visual-panel{display:none}
.content-zone{background:var(--mist-bg);color:var(--mist-ink)}
.feature-bar{margin-top:0;gap:0;border-top:1px solid var(--mist-ink)}
.feature-card{min-height:193px;border:0;border-bottom:1px solid var(--mist-line);border-radius:0;background:none;box-shadow:none;padding:29px 34px 28px 0;display:grid;grid-template-columns:26px minmax(0,1fr);align-content:start;column-gap:17px}
.feature-card+.feature-card{padding-left:27px;border-left:1px solid var(--mist-line)}
.feature-icon{width:23px;height:23px;border:0;border-radius:0;color:var(--mist-accent);background:none;grid-row:span 2;margin:2px 0 0}
.feature-icon svg{width:22px;height:22px}
.feature-card h3{font-size:16px;line-height:1.45;font-weight:650;margin:1px 0 15px;letter-spacing:-.02em}
.feature-card p{font-size:13px;line-height:1.85;color:var(--mist-muted);margin:0}
.section{padding:122px 0 110px}
.section-head{max-width:none;text-align:left;margin:0 auto 46px;padding:21px 0 0;border-top:1px solid var(--mist-ink);display:grid;grid-template-columns:minmax(0,1.1fr) minmax(250px,.7fr);gap:15px 70px;align-items:end}
.section-head .eyebrow{grid-column:1/-1;color:var(--mist-accent)}
.section-head h2{font-size:clamp(37px,4.4vw,61px);font-weight:560;line-height:1.12;letter-spacing:-.05em;color:var(--mist-ink);margin:0}
.section-head p{font-size:15px;line-height:1.8;color:var(--mist-muted);margin:0}
.models-preview{grid-template-columns:1fr;gap:0;border-top:1px solid var(--mist-line)}
.preview-card{display:grid;grid-template-columns:minmax(220px,.85fr) minmax(220px,1fr) auto;gap:28px;align-items:center;min-height:118px;padding:25px 4px;border:0;border-bottom:1px solid var(--mist-line);border-radius:0;background:transparent;box-shadow:none;transition:padding-left .16s,background .16s}
.preview-card:hover{transform:none;padding-left:13px;background:rgba(95,127,150,.035);box-shadow:none}
.provider-logo,.market-card-top .provider-logo{width:39px;height:39px;border-radius:4px;background:#E8EEF1!important;color:var(--mist-strong)!important;font-size:17px;font-weight:700}
.preview-card h3{font-size:21px;letter-spacing:-.03em;font-weight:600;color:var(--mist-ink)}
.preview-card .smaller{font-size:11px;color:var(--mist-muted)}
.preview-card p{font-size:13px;line-height:1.7;color:var(--mist-muted);min-height:0;margin:0}
.preview-bottom{border:0;display:flex;flex-direction:column;align-items:flex-end;gap:5px;color:var(--mist-strong);padding:0;font-size:12px}
.demo-label{border:0;border-radius:0;padding:0;color:#909DA4;font-size:9px;font-weight:500}
.dark-cta{border:0;border-top:1px solid var(--mist-ink);border-bottom:1px solid var(--mist-line);border-radius:0;background:none;color:var(--mist-ink);padding:48px 0;box-shadow:none}
.dark-cta::after{display:none}
.dark-cta h2{font-size:clamp(30px,3.7vw,46px);line-height:1.17;letter-spacing:-.045em;font-weight:560;color:var(--mist-ink)}
.dark-cta p{font-size:14px;color:var(--mist-muted);margin-top:14px}
.page-hero,body.light-ui .page-hero{background:var(--mist-bg);color:var(--mist-ink);padding:78px 0 49px}
.page-hero h1{font-size:clamp(43px,5.5vw,67px);font-weight:560;letter-spacing:-.055em;line-height:1.13;margin:23px 0 17px}
.page-hero p,body.light-ui .page-hero p{font-size:15px;color:var(--mist-muted)}
.breadcrumbs,body.light-ui .breadcrumbs{color:var(--mist-accent);font-size:12px}
.market{padding:26px 0 118px}
.market-layout{grid-template-columns:210px minmax(0,1fr);gap:35px}
.filter-panel,.market-panel{border:0;border-top:1px solid var(--mist-line);border-radius:0;background:transparent;box-shadow:none;padding:20px 0}
.filter-panel{top:92px}
.filter-heading{font-size:13px;font-weight:700}
.filter-title{font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--mist-muted)}
.filter-section+.filter-section{border-color:var(--mist-line)}
.filter-option{font-size:12px;color:#5D6A72;border-radius:3px;padding:8px;min-height:40px}
.filter-option:hover{background:#ECF1F3}
.filter-option.selected{background:#E7EDF0;border-color:transparent;color:var(--mist-strong)}
.filter-option .count{color:#8B999F}
.text-button{color:var(--mist-strong);font-size:12px}
.market-panel{min-width:0}
.search-field{background:white;border:1px solid var(--mist-line);border-radius:4px;height:47px;color:var(--mist-muted)}
.search-field:focus-within{border-color:var(--mist-focus);box-shadow:0 0 0 2px rgba(95,127,150,.12)}
.search-field input{color:var(--mist-ink)}
.search-field input::placeholder{color:#929FA5}
.view-toggle{border:1px solid var(--mist-line);background:transparent;border-radius:4px}
.view-toggle button{border-radius:2px;color:var(--mist-muted)}
.view-toggle button.selected{background:#E5EDF0;color:var(--mist-strong);box-shadow:none}
.market-summary{color:var(--mist-muted)}
.market-summary strong{color:var(--mist-ink)}
.market-cards{gap:13px}
.market-card{border:1px solid var(--mist-line);border-radius:4px;background:rgba(255,255,255,.68);padding:22px;box-shadow:none}
.market-card:hover{transform:none;box-shadow:none;border-color:#B7C7CE;background:white}
.market-card h3{color:var(--mist-ink);font-size:15px;font-weight:650}
.market-card p,.small-note{color:var(--mist-muted)}
.model-type,.model-tag{border-radius:2px;background:#EDF2F3;color:#60727A}
.price-row{border-color:var(--mist-line)}
.price-box strong{font-size:17px;color:var(--mist-strong)}
.price-box,.price-note{color:var(--mist-muted)}
.market-table-wrap{border-color:var(--mist-line);border-radius:4px}
.market-table th,.market-table td{border-color:var(--mist-line)}
.market-table th{background:#EAF0F2;color:#50616C}
.market-table td{color:var(--mist-ink)}
.market-table tbody tr:hover{background:#EEF4F6}
.pagination{color:var(--mist-muted)}
.pager-buttons button{border-radius:3px;border-color:var(--mist-line);color:var(--mist-strong)}
.empty-state,.empty-state h3{color:var(--mist-muted)}
.login-screen,body.light-ui .login-screen{background:var(--mist-bg);min-height:calc(100vh - 140px);padding:94px 20px 125px}
.auth-card{border:1px solid var(--mist-line);border-radius:5px;background:var(--mist-paper);color:var(--mist-ink);box-shadow:none;padding:39px}
.auth-logo{width:40px;height:40px;margin:0 auto 20px;border:1px solid var(--mist-line);background:#EDF2F3;border-radius:3px}
.auth-card h1{font-weight:600;font-size:16px}
.auth-card h2{font-size:31px;font-weight:560;letter-spacing:-.04em;margin:11px 0 31px}
.auth-card label.field-label{color:#52616C}
.field{background:white;border:1px solid #CED9DE;border-radius:3px;color:var(--mist-ink)}
.field::placeholder{color:#9AA6AC}
.field:focus{border-color:var(--mist-focus);box-shadow:0 0 0 2px #DEEAF0}
.password-field button{color:var(--mist-muted)}
.check-label{color:var(--mist-muted)}
.check-label input{accent-color:var(--mist-strong)}
.check-label a{color:var(--mist-strong)}
.auth-foot{color:var(--mist-muted)}
.form-status{background:#EAF1F3;border:1px solid var(--mist-line);color:var(--mist-strong);border-radius:3px}
.docs-layout{color:var(--mist-ink)}
.docs-sidebar{border-color:var(--mist-line)}
.docs-sidebar h3{color:var(--mist-accent)}
.docs-sidebar a{color:var(--mist-muted);border-radius:3px}
.docs-sidebar a.active{background:#E7EEF0;color:var(--mist-strong)}
.docs-article h2{font-size:clamp(26px,3vw,35px);font-weight:580;letter-spacing:-.035em;color:var(--mist-ink)}
.docs-article p,.docs-article li{color:var(--mist-muted)}
.codeblock{background:#162631;color:#DCE8EA;border:0;border-radius:4px}
.code-copy{border-radius:3px;background:#314B5D;color:white;border:0}
.info-note{background:#E8F0F1;color:var(--mist-strong);border-color:#CFDEE2;border-radius:3px}
.settings-card,.chat-card{border:1px solid var(--mist-line);border-radius:4px;background:white;color:var(--mist-ink)}
.settings-card h2,.chat-head h2{color:var(--mist-ink)}
.select,.settings-card textarea,.chat-entry textarea{background:white;color:var(--mist-ink);border:1px solid var(--mist-line);border-radius:3px}
.chat-head,.chat-entry{border-color:var(--mist-line)}
.chat-welcome .chat-emoji{border-radius:4px;background:#E7EEF0;color:var(--mist-strong)}
.chat-msg{border-radius:4px}
.chat-msg.user{background:var(--mist-strong);border-bottom-right-radius:1px}
.chat-msg.bot{background:#ECF2F4;color:var(--mist-ink);border-bottom-left-radius:1px}
.chat-disclaimer,.chat-welcome{color:var(--mist-muted)}
.site-footer,body.light-ui .site-footer{background:var(--mist-bg);border-top:1px solid var(--mist-ink);color:var(--mist-muted);padding:35px 0}
.site-footer a:hover,body.light-ui .site-footer a:hover{color:var(--mist-strong)}
.modal-backdrop{background:rgba(20,36,42,.52);backdrop-filter:blur(4px)}
.modal{border:1px solid var(--mist-line);background:white;color:var(--mist-ink);border-radius:5px;box-shadow:0 20px 60px rgba(21,36,43,.17)}
.modal-body,.modal-body h3{color:var(--mist-ink)}
.modal-body p{color:var(--mist-muted)}
.modal-tabs{border-color:var(--mist-line)}
.modal-tabs span{color:var(--mist-muted)}
.modal-tabs span.active{border-color:var(--mist-strong);color:var(--mist-strong)}
.modal a{color:var(--mist-strong)}
.mobile-filter-overlay{background:rgba(18,38,45,.5)}
.mobile-filter-drawer{border-radius:7px 7px 0 0;color:var(--mist-ink);box-shadow:0 -10px 35px rgba(20,37,45,.11);background:var(--mist-bg)}
.mobile-filter-drawer .filter-panel{background:none}
.mobile-filter-drawer .drawer-heading .icon-button{color:var(--mist-strong)}
.drawer-footer{background:var(--mist-bg);border-color:var(--mist-line)}
.toast{border:1px solid #314B5D;border-radius:3px;background:#314B5D;box-shadow:0 8px 30px rgba(20,37,45,.16)}
body:not(.light-ui){background:#131B20;color:#EBF0F1;--mist-bg:#131B20;--mist-paper:#1B262C;--mist-ink:#E7EDEF;--mist-muted:#A3B0B5;--mist-line:#35454C;--mist-accent:#99BBC9;--mist-strong:#B6CFD9;--mist-green:#9CB4A9;--mist-focus:#9BC9DC}
body:not(.light-ui) .site-header{background:rgba(19,27,32,.94);border-color:#35454C}
body:not(.light-ui) .brand,body:not(.light-ui) .nav-link:hover,body:not(.light-ui) .nav-link.active{color:#E7EDEF}
body:not(.light-ui) .nav-link,body:not(.light-ui) .lang-btn,body:not(.light-ui) .icon-button{color:#BCC9CE}
body:not(.light-ui) .icon-button:hover,body:not(.light-ui) .mobile-menu{background:#25343A;color:#E7EDEF}
body:not(.light-ui) .hero{background:#131B20;color:#E7EDEF}
body:not(.light-ui) .hero h1{color:#E7EDEF}
body:not(.light-ui) .btn.primary,body:not(.light-ui) .btn.white{background:#9FB9C5;color:#15242B}
body:not(.light-ui) .btn.outline,body:not(.light-ui) .btn.ghost{border-color:#52676E;color:#D3E2E7;background:transparent}
body:not(.light-ui) .content-zone,body:not(.light-ui) .page-hero,body:not(.light-ui) .login-screen,body:not(.light-ui) .site-footer{background:#131B20;color:#E7EDEF}
body:not(.light-ui) .feature-card,body:not(.light-ui) .preview-card,body:not(.light-ui) .filter-panel,body:not(.light-ui) .market-panel{background:transparent}
body:not(.light-ui) .market-card,body:not(.light-ui) .auth-card,body:not(.light-ui) .settings-card,body:not(.light-ui) .chat-card,body:not(.light-ui) .modal{background:#1B262C;color:#E7EDEF;border-color:#35454C}
body:not(.light-ui) .search-field,body:not(.light-ui) .field,body:not(.light-ui) .select,body:not(.light-ui) .settings-card textarea,body:not(.light-ui) .chat-entry textarea{background:#172229;color:#E7EDEF;border-color:#3E535C}
body:not(.light-ui) .view-toggle,body:not(.light-ui) .view-toggle button.selected,body:not(.light-ui) .filter-option.selected,body:not(.light-ui) .model-type,body:not(.light-ui) .model-tag,body:not(.light-ui) .provider-logo{background:#283B44!important;color:#D7E5E9!important}
body:not(.light-ui) .dark-cta,body:not(.light-ui) .dark-cta h2,body:not(.light-ui) .section-head h2,body:not(.light-ui) .preview-card h3,body:not(.light-ui) .market-card h3,body:not(.light-ui) .market-summary strong,body:not(.light-ui) .docs-article h2,body:not(.light-ui) .page-hero h1,body:not(.light-ui) .price-box strong,body:not(.light-ui) .auth-card h1,body:not(.light-ui) .auth-card h2{color:#E7EDEF}
body:not(.light-ui) .market-table th,body:not(.light-ui) .market-table td,body:not(.light-ui) .pager-buttons button,body:not(.light-ui) .code-copy{background:#1B262C;color:#E7EDEF;border-color:#35454C}
body:not(.light-ui) .info-note,body:not(.light-ui) .form-status,body:not(.light-ui) .chat-msg.bot{background:#283B44;color:#E7EDEF;border-color:#425861}
body:not(.light-ui) .mobile-filter-drawer,body:not(.light-ui) .drawer-footer{background:#1B262C;color:#E7EDEF;border-color:#35454C}
body:not(.light-ui) .modal-body,body:not(.light-ui) .modal-body h3,body:not(.light-ui) .field-label{color:#E7EDEF}
body:not(.light-ui) .site-footer{border-color:#7B929D}
body:not(.light-ui) .brand-symbol svg path{fill:#E1EDF0}
body:not(.light-ui) .brand-symbol svg circle{fill:#9CB4A9}
@media(max-width:1050px){.header-inner{gap:16px}.main-nav{gap:13px}.market-layout{gap:25px}}
@media(max-width:800px){.container{width:calc(100% - 36px)}.header-inner{height:65px}.hero-grid{padding-top:95px;padding-bottom:105px}.feature-bar{grid-template-columns:1fr}.feature-card{min-height:0;grid-template-columns:28px 1fr;padding:25px 0!important;border-left:0!important;border-bottom:1px solid var(--mist-line)}.feature-card p{grid-column:2}.section{padding:86px 0}.section-head{grid-template-columns:1fr;gap:16px}.section-head .eyebrow{margin:0}.market-layout{grid-template-columns:1fr}.market-panel{padding-top:16px}}
@media(max-width:650px){.container{width:calc(100% - 36px)}.header-inner{gap:3px}.brand{gap:6px;font-size:14px}.brand span small{font-size:8px;letter-spacing:.04em}.brand-symbol,.brand-symbol svg{width:24px;height:24px}.head-actions{gap:0}.head-actions .icon-button{width:37px;min-width:37px}.head-actions .lang-btn{padding:8px 3px}.hero-grid{padding-top:85px;padding-bottom:102px}.hero h1,body.light-ui .hero h1{font-size:clamp(43px,11.7vw,63px);line-height:1.12;letter-spacing:-.065em;word-break:keep-all;overflow-wrap:anywhere;margin:18px 0 27px}.hero-sub{font-size:15px;line-height:1.75}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{width:100%;min-width:0;min-height:48px}.hero-checks{gap:9px 15px;font-size:11px}.section{padding:75px 0}.section-head h2{font-size:39px}.preview-card{grid-template-columns:1fr auto;gap:12px 18px;padding:22px 0}.preview-card .preview-head{grid-column:1;min-width:0}.preview-card p{grid-column:1/-1;grid-row:2}.preview-bottom{grid-column:2;grid-row:1;align-self:center}.preview-bottom .demo-label{display:none}.dark-cta{padding:36px 0}.dark-cta h2{font-size:34px}.dark-cta .btn{margin-top:22px}.page-hero{padding:55px 0 34px}.page-hero h1{font-size:46px}.page-hero p{font-size:14px}.market{padding-top:12px}.market-panel{padding:14px 0}.market-card{padding:19px}.market-cards{gap:9px}.market-tools{flex-wrap:wrap}.market-tools .search-field{min-width:180px}.market-summary{margin:16px 0}.auth-card{padding:30px 22px}.login-screen{padding:52px 14px 78px}.site-footer{padding:26px 0}.modal{padding:24px 18px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}