:root {
  color-scheme: light;
  --blue: #0875bd;
  --blue-dark: #075b96;
  --navy: #09263d;
  --ink: #172a3a;
  --muted: #637585;
  --line: #dce5eb;
  --paper: #fff;
  --pale: #f3f7fa;
  --font-sans: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: "DM Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, input { font: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid #70c7ff; outline-offset: 3px; }

.site-header { height: 68px; padding: 0 clamp(22px, 5vw, 76px); display: flex; align-items: center; gap: 48px; background: #fff; border-bottom: 1px solid #e8edf1; position: sticky; top: 0; z-index: 10; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: #132b41; font-size: 16px; font-weight: 700; text-decoration: none; letter-spacing: -.04em; }
.brand-mark { display: block; width: 26px; height: 26px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 34px; height: 100%; }
.main-nav a, .header-cta { height: 100%; display: inline-flex; align-items: center; text-decoration: none; color: #405568; font-size: 13px; }
.main-nav a { position: relative; }
.main-nav a:hover { color: var(--blue); }
.main-nav a::after { content: ""; position: absolute; height: 2px; left: 0; right: 0; bottom: 0; background: var(--blue); transform: scaleX(0); transition: transform .2s ease; }
.main-nav a:hover::after { transform: scaleX(1); }
.header-cta { margin-left: auto; gap: 12px; color: var(--blue); }
.header-cta span { font-size: 18px; }
.language-switcher { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.language-switcher a { padding: 6px 8px; border: 1px solid transparent; color: #687b89; font-size: 11px; text-decoration: none; }
.language-switcher a:hover, .language-switcher a.is-current { border-color: #cfe4f1; color: var(--blue-dark); background: #f2f8fc; }

.language-entry { min-height: 100vh; display: flex; flex-direction: column; padding: 0; background: linear-gradient(145deg, #f6fafe, #eaf3f8); }
.language-entry-card { width: min(100%, 760px); margin: auto; padding: clamp(28px, 7vw, 68px); background: #fff; border: 1px solid #e3edf3; box-shadow: 0 24px 80px rgba(19, 67, 101, .1); }
.language-entry-card .eyebrow { margin-bottom: 13px; }
.language-entry-card h1 { margin: 0; color: var(--navy); font-size: clamp(34px, 6vw, 58px); font-weight: 600; letter-spacing: -.055em; line-height: 1.16; }
.language-entry-card h1 span { color: var(--blue); }
.language-entry-copy { max-width: 560px; margin: 20px 0 32px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.language-entry-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.language-entry-option { min-height: 92px; padding: 17px; display: flex; align-items: center; gap: 13px; border: 1px solid var(--line); text-decoration: none; transition: border-color .18s ease, transform .18s ease; }
.language-entry-option:hover { border-color: var(--blue); transform: translateY(-2px); }
.language-entry-code { width: 42px; height: 42px; display: grid; place-items: center; background: #eaf4fa; color: var(--blue-dark); font: 500 12px var(--font-mono); }
.language-entry-option strong, .language-entry-option small { display: block; }
.language-entry-option strong { color: var(--ink); font-size: 14px; }
.language-entry-option small { margin-top: 5px; color: var(--muted); font-size: 10px; }
.language-entry-arrow { margin-left: auto; color: var(--blue); }
.language-entry-footnote { margin: 26px 0 0; color: #8898a4; font: 9px var(--font-mono); letter-spacing: .06em; }

.hero { min-height: 540px; padding: 72px clamp(24px, 8vw, 120px) 22px; display: grid; grid-template-columns: 1fr minmax(360px, .88fr); grid-template-rows: 1fr auto; gap: 20px 7vw; overflow: hidden; position: relative; color: #fff; background: linear-gradient(115deg, #075c92 0%, #0875bd 58%, #268abf 100%); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .14; background-image: radial-gradient(#d8f4ff 1px, transparent 1px); background-size: 18px 18px; mask-image: linear-gradient(90deg, transparent 20%, #000 100%); }
.hero-copy, .hero-art, .hero-bottom { position: relative; z-index: 1; }
.hero-copy { align-self: center; max-width: 590px; padding: 0 0 24px; }
.eyebrow { margin: 0 0 18px; color: #b9ddf3; font: 500 10px/1.5 var(--font-mono); letter-spacing: .13em; text-transform: uppercase; }
.status-dot { width: 7px; height: 7px; display: inline-block; margin-right: 8px; border-radius: 50%; background: #83e2ca; box-shadow: 0 0 10px #83e2ca; }
.hero h1 { margin: 0 0 22px; font-size: clamp(48px, 7vw, 88px); font-weight: 500; letter-spacing: -.065em; line-height: 1.13; }
.hero h1 span { color: #bfeaff; }
.hero-intro { max-width: 450px; margin: 0; color: #deeff8; font-size: 15px; line-height: 2; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 24px; margin-top: 30px; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 0 18px; text-decoration: none; font-size: 13px; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-light { color: #075b96; background: #fff; }
.button-light:hover { background: #eaf7ff; }
.text-link { color: #fff; text-decoration: none; font-size: 13px; }
.text-link span { margin-left: 8px; }
.hero-note { display: flex; gap: 16px; align-items: center; margin-top: 42px; color: #c2e4f6; font: 10px var(--font-mono); }
.hero-note span:first-child { color: #fff; }

.hero-art { min-height: 360px; align-self: center; position: relative; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg, rgba(3, 34, 61, .8), rgba(5, 59, 99, .28)); border: 1px solid rgba(203, 235, 251, .3); box-shadow: 0 24px 70px rgba(0, 30, 59, .22); }
.hero-art.hero-product { min-height: 0; aspect-ratio: 1.5; background: rgba(3, 34, 61, .8); }
.hero-product::before { display: none; }
.hero-product img { width: 100%; height: 100%; display: block; object-fit: cover; }
.hero-art::before { content: ""; position: absolute; inset: 0; opacity: .4; background: linear-gradient(90deg, transparent 49.8%, rgba(163, 222, 252, .22) 50%, transparent 50.2%), linear-gradient(transparent 49.8%, rgba(163, 222, 252, .22) 50%, transparent 50.2%); background-size: 48px 48px; }
.art-top, .art-bottom { position: absolute; left: 20px; right: 20px; z-index: 2; display: flex; align-items: center; justify-content: space-between; color: #a9d7ee; font: 9px var(--font-mono); letter-spacing: .07em; }
.art-top { top: 18px; }
.art-bottom { bottom: 17px; justify-content: flex-start; gap: 10px; }
.art-bottom i { width: 64px; height: 1px; background: linear-gradient(90deg, #8bd1f6, rgba(139, 209, 246, .1)); }
.orbit { position: absolute; width: min(76%, 310px); aspect-ratio: 1; border: 1px solid rgba(169, 223, 250, .26); border-radius: 50%; }
.orbit-one { transform: scaleY(.43) rotate(-22deg); }
.orbit-two { transform: scaleY(.43) rotate(38deg); }
.orbit-three { transform: scaleY(.43) rotate(90deg); }
.art-core { position: relative; z-index: 1; width: 100px; height: 100px; display: grid; place-items: center; border: 1px solid rgba(204, 240, 255, .8); background: radial-gradient(circle, #1889cd, #07528a); box-shadow: 0 0 0 14px rgba(65, 171, 224, .08), 0 0 50px rgba(73, 182, 238, .43); color: white; font: 500 35px var(--font-mono); }
.art-core i { position: absolute; right: 11px; bottom: 13px; width: 7px; height: 7px; border-radius: 50%; background: #83e2ca; box-shadow: 0 0 12px #83e2ca; }
.art-node { position: absolute; z-index: 2; padding: 7px 10px; border: 1px solid rgba(193, 231, 250, .35); background: rgba(2, 43, 76, .8); color: #d6effb; font: 10px var(--font-sans); }
.node-one { top: 27%; left: 13%; }.node-two { top: 27%; right: 14%; }.node-three { bottom: 23%; left: 19%; }.node-four { bottom: 23%; right: 12%; }
.hero-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; border-top: 1px solid rgba(223, 243, 253, .28); padding-top: 13px; color: #c2e4f6; font-size: 10px; }

.intro-strip { min-height: 330px; padding: 44px clamp(24px, 8vw, 120px); display: grid; grid-template-columns: minmax(300px, .85fr) 1.15fr; align-items: center; gap: 6vw; background: #fff; }
.intro-visual { min-height: 225px; position: relative; overflow: hidden; background: #eaf3f8; }
.intro-visual::before { content: ""; position: absolute; inset: 0; background: linear-gradient(145deg, transparent 45%, rgba(8, 117, 189, .07) 45%); }
.visual-chip { position: absolute; z-index: 1; inset: 50% auto auto 50%; width: 82px; height: 82px; display: grid; place-items: center; transform: translate(-50%, -50%); background: #0d72b3; color: white; box-shadow: 0 10px 28px rgba(7, 86, 139, .3); font: 500 28px var(--font-mono); }
.visual-line { position: absolute; display: block; height: 1px; background: #5da9d4; transform-origin: left; }
.line-a { width: 37%; left: 50%; top: 50%; transform: rotate(25deg); }.line-b { width: 33%; left: 50%; top: 50%; transform: rotate(155deg); }.line-c { width: 35%; left: 50%; top: 50%; transform: rotate(-90deg); }
.visual-label { position: absolute; padding: 5px 8px; background: #fff; color: #34779f; font: 9px var(--font-mono); }
.label-a { right: 9%; top: 25%; }.label-b { left: 8%; bottom: 22%; }.label-c { right: 18%; bottom: 15%; }
.intro-copy { max-width: 520px; padding: 10px 0; }
.eyebrow-blue { color: var(--blue); }
.intro-copy h2, .frontier-intro h3 { margin: 0 0 16px; color: #183247; font-size: clamp(28px, 3.4vw, 42px); font-weight: 500; line-height: 1.4; letter-spacing: -.04em; }
.intro-copy > p:not(.eyebrow) { max-width: 500px; margin: 0; color: var(--muted); font-size: 13px; line-height: 2; }
.product-intro { padding: 76px clamp(24px, 8vw, 120px); background: #f3f7fa; }
.product-intro-head { max-width: 760px; margin: 0 auto 38px; text-align: center; }
.product-intro-head .eyebrow { margin-bottom: 12px; }
.product-intro-head h2 { margin: 0; color: #16344b; font-size: clamp(30px, 5vw, 54px); font-weight: 600; line-height: 1.25; letter-spacing: -.05em; }
.product-intro-head h2 span { color: var(--blue); }
.product-intro-head > p:not(.eyebrow) { max-width: 660px; margin: 17px auto 23px; color: #637585; font-size: 14px; line-height: 1.9; }
.product-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.product-feature { min-height: 236px; padding: 23px 22px; border: 1px solid #dce5eb; background: #fff; }
.product-feature-number { color: #6a91a8; font: 500 9px var(--font-mono); letter-spacing: .08em; }
.product-feature h3 { margin: 23px 0 11px; color: #183247; font-size: 18px; font-weight: 600; line-height: 1.55; }
.product-feature p { margin: 0; color: #637585; font-size: 12px; line-height: 1.9; }
.inline-link { display: inline-flex; gap: 13px; margin-top: 18px; color: var(--blue); text-decoration: none; font-size: 13px; }
.inline-link:hover { color: var(--blue-dark); }

.section-band { min-height: 112px; padding: 20px 24px; display: flex; align-items: center; justify-content: center; gap: clamp(18px, 4vw, 60px); background: #0875bd; color: #fff; }
.section-band > p { margin: 0; color: #c2e4f6; font: 10px var(--font-mono); letter-spacing: .1em; }
.section-band h2 { margin: 0; font-size: clamp(24px, 3vw, 34px); font-weight: 500; letter-spacing: -.025em; }
.section-band > span { color: #d9effa; font-size: 12px; }
.section-inner { max-width: 1240px; margin: 0 auto; padding: 62px clamp(22px, 5vw, 50px) 72px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; }
.section-heading .eyebrow { margin-bottom: 9px; }
.section-heading h3, .frontier-intro h3 { margin: 0; font-size: 27px; font-weight: 500; letter-spacing: -.03em; }
.search-box { width: min(300px, 40%); height: 42px; display: flex; align-items: center; gap: 10px; padding: 0 12px; border: 1px solid #d5e0e8; color: #7790a2; }
.search-box > span { font-size: 24px; line-height: 1; }
.search-box input { min-width: 0; flex: 1; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 12px; }
.search-box input::placeholder { color: #8294a1; }
.search-box kbd { color: #8595a1; font: 10px var(--font-mono); }
.platform-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 23px; }
.filter-chip { min-height: 34px; padding: 0 13px; border: 1px solid #d8e2e9; background: #fff; color: #596d7c; cursor: pointer; font-size: 11px; transition: .18s ease; }
.filter-chip span { margin-left: 5px; color: #8093a1; font: 10px var(--font-mono); }
.filter-chip:hover, .filter-chip.is-active { border-color: var(--blue); background: var(--blue); color: #fff; }
.filter-chip.is-active span { color: #d6efff; }
.platform-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.platform-card { min-height: 240px; display: flex; flex-direction: column; padding: 17px 17px 15px; border: 1px solid #e0e7ec; background: #fff; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.platform-card:hover { transform: translateY(-3px); border-color: #94c9e7; box-shadow: 0 12px 28px rgba(28, 86, 122, .09); }
.card-top { display: flex; align-items: center; justify-content: space-between; }
.platform-icon { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid #e5ebef; background: #f7fafc; color: #164265; font: 500 17px var(--font-sans); }
.icon-openai { color: #147b71; }.icon-claude { color: #c2693f; }.icon-gemini { color: #5784dc; }.icon-deepseek { color: #3674d9; }.icon-qwen { color: #5e60d5; }.icon-doubao { color: #5960d9; }.icon-kimi { color: #334c9d; }.icon-perplexity { color: #168279; }.icon-midjourney { color: #3f4b6a; }.icon-jimeng { color: #c7469f; }.icon-github { color: #242f39; }.icon-cursor { color: #243e50; }
.card-type { padding: 4px 7px; background: #f0f6fa; color: #56778d; font-size: 9px; }
.platform-card h3 { margin: 15px 0 2px; color: #183247; font-size: 17px; font-weight: 600; }
.provider { margin: 0; color: #8796a1; font-size: 10px; }
.card-description { min-height: 40px; margin: 12px 0 13px; color: #5e6f7c; font-size: 11px; line-height: 1.8; }
.tag-list, .challenge-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-list span, .challenge-tags span { padding: 4px 7px; background: #f2f6f8; color: #71818c; font-size: 9px; }
.card-link { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 13px; color: var(--blue); text-decoration: none; font-size: 10px; }
.card-link span { font-size: 14px; }
.card-link:hover { color: var(--blue-dark); }
.empty-state, .frontier-empty { margin: 30px 0; color: var(--muted); text-align: center; font-size: 13px; }
.data-note { margin: 17px 0 0; color: #8997a1; font-size: 10px; line-height: 1.7; }
.model-results-meta { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin: 12px 0 5px; }
.model-results-meta .frontier-status { margin: 10px 0; }
.model-search-form { text-decoration: none; }
.model-search-form .filter-chip { min-height: 28px; padding: 0 8px; }
.model-empty-state:empty { display: none; }
.model-card .model-owner { overflow-wrap: anywhere; }
.model-card:hover { transform: none; }
.model-card-stats { margin: auto 0 0; padding-top: 12px; color: #758894; font: 9px var(--font-mono); line-height: 1.7; }
.model-pagination { display: flex; justify-content: center; align-items: center; gap: 18px; margin-top: 28px; }
.model-pagination .filter-chip { display: inline-flex; align-items: center; text-decoration: none; }
.model-pagination .filter-chip.is-disabled { color: #a3afb7; cursor: default; }
.model-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; padding: 22px clamp(24px, 6vw, 70px); background: white; border-bottom: 1px solid #e5ebef; }
.model-metrics > div { display: grid; gap: 7px; padding-left: 14px; border-left: 2px solid #8bb9d2; }
.model-metrics span { color: #7b8e9a; font-size: 10px; }
.model-metrics strong { color: #254860; font: 500 17px var(--font-mono); overflow-wrap: anywhere; }
.model-stale-note:empty { display: none; }
.model-stale-note:not(:empty) { margin: 18px 0 0; color: #ffe5ae; font-size: 11px; }
.model-hardware-requirements, .model-download-list, .model-usage-example { grid-column: 2; }
.model-hardware-requirements { white-space: pre-wrap; }
.model-download-list { margin: 10px 0 0; padding-left: 18px; color: #5c7180; font-size: 13px; line-height: 2; }
.model-download-list a { color: var(--blue-dark); overflow-wrap: anywhere; }
.model-usage-example { min-width: 0; margin-top: 12px; }
.model-usage-example h3 { margin: 0 0 8px; color: #5c7180; font-size: 12px; font-weight: 500; }
.model-usage-example pre { overflow-x: auto; margin: 0; padding: 14px; background: #132b41; color: #eaf4fa; font: 11px/1.7 var(--font-mono); white-space: pre; }
.model-local-empty { color: #8898a4 !important; font-size: 11px !important; }

.frontier-section { background: #f3f7fa; }
.section-band-dark { background: #075b96; }
.section-band-dark > p { color: #b9d9ec; }
.frontier-inner { padding-top: 60px; }
.frontier-intro { display: flex; justify-content: space-between; align-items: end; gap: 45px; }
.frontier-intro .eyebrow { margin-bottom: 10px; }
.frontier-intro h3 { margin-bottom: 0; }
.frontier-intro > p { max-width: 490px; margin: 0 0 5px; color: var(--muted); font-size: 12px; line-height: 2; }
.difficulty-tabs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 37px 0 15px; padding-bottom: 13px; border-bottom: 1px solid #dce5eb; }
.difficulty-tab { min-height: 37px; display: inline-flex; align-items: center; gap: 8px; padding: 0 13px; border: 1px solid transparent; background: transparent; color: #607381; cursor: pointer; font-size: 11px; }
.difficulty-tab:hover { color: var(--blue); }
.difficulty-tab.is-active { border-color: #bfd9e9; background: #fff; color: #126da6; }
.level-dot { width: 7px; height: 7px; border-radius: 50%; }
.level-entry { background: #36a886; }.level-advanced { background: #e4a33d; }.level-frontier { background: #dc6b5e; }
.frontier-list { display: grid; gap: 10px; }
.frontier-card { display: grid; grid-template-columns: 42px 1fr 24px; gap: 16px; align-items: start; padding: 20px 21px; border: 1px solid #e0e8ed; background: #fff; transition: border-color .18s ease, transform .18s ease; }
.frontier-card:hover { transform: translateX(3px); border-color: #a9cde1; }
.frontier-number { padding-top: 2px; color: #91a2ae; font: 11px var(--font-mono); }
.frontier-meta { display: flex; align-items: center; gap: 10px; color: #84939e; font-size: 9px; }
.difficulty-label { padding: 4px 7px; font-size: 9px; }
.label-entry { background: #e8f5f0; color: #25896e; }.label-advanced { background: #fff4e2; color: #b17a22; }.label-frontier { background: #fcece9; color: #bd5d52; }
.frontier-main h4 { margin: 9px 0 6px; color: #20394b; font-size: 16px; font-weight: 500; }
.frontier-main > p { max-width: 870px; margin: 0; color: #637482; font-size: 11px; line-height: 1.9; }
.challenge-tags { margin-top: 11px; }
.challenge-tags span { background: #f2f6f8; }
.frontier-arrow { padding-top: 3px; color: #7aa7c2; font-size: 17px; }

.closing { padding: 78px 24px 84px; text-align: center; background: #fff; }
.closing .eyebrow { margin-bottom: 15px; color: #6f95ad; }
.closing h2 { margin: 0; color: #16344b; font-size: clamp(36px, 6vw, 62px); font-weight: 500; line-height: 1.25; letter-spacing: -.05em; }
.closing h2 span { color: var(--blue); }
.closing > p:not(.eyebrow) { max-width: 500px; margin: 17px auto 24px; color: #6d7f8d; font-size: 12px; line-height: 1.9; }
.button-blue { background: var(--blue); color: white; }
.button-blue:hover { background: var(--blue-dark); }
.site-footer { min-height: 76px; padding: 16px clamp(22px, 5vw, 76px); display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid #e4ebef; color: #7c8b96; font-size: 10px; }
.site-footer .brand { font-size: 13px; }
.site-footer .brand-mark { width: 22px; height: 22px; }
.site-footer .registration-link { color: #557488; text-decoration: none; }
.site-footer .registration-link:hover { text-decoration: underline; }
.footer-links { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-links a { color: #557488; text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-cookie-settings { padding: 0; border: 0; background: none; color: #557488; cursor: pointer; font-size: inherit; }
.footer-cookie-settings:hover { text-decoration: underline; }
.cookie-consent { position: fixed; z-index: 20; right: 0; bottom: 0; left: 0; padding: 18px clamp(22px, 5vw, 76px); border-top: 1px solid #dce5eb; background: rgba(255, 255, 255, .98); color: var(--ink); box-shadow: 0 -12px 36px rgba(9, 38, 61, .1); }
.cookie-consent-inner { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px 40px; }
.cookie-consent-copy { max-width: 820px; }
.cookie-consent-eyebrow { margin: 0 0 5px; color: var(--blue); font: 500 9px/1.5 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.cookie-consent-copy h2 { margin: 0 0 4px; color: var(--navy); font-size: 15px; font-weight: 600; }
.cookie-consent-copy p:not(.cookie-consent-eyebrow) { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.cookie-consent-copy a { color: var(--blue-dark); text-underline-offset: 3px; white-space: nowrap; }
.cookie-consent-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px; }
.cookie-consent-actions button { min-height: 40px; padding: 0 15px; cursor: pointer; font-size: 11px; transition: background .18s ease, border-color .18s ease, color .18s ease; }
.cookie-consent-accept { border: 1px solid var(--blue); background: var(--blue); color: white; }
.cookie-consent-accept:hover { border-color: var(--blue-dark); background: var(--blue-dark); }
.cookie-consent-reject { border: 1px solid #cbd9e2; background: white; color: #405568; }
.cookie-consent-reject:hover { border-color: #91b9d1; background: #f3f8fb; color: var(--blue-dark); }
.cookie-consent-status { grid-column: 1 / -1; margin: -14px 0 0; color: #9c2d1f; font-size: 12px; }
.cookie-consent-status:empty { display: none; }

[hidden] { display: none !important; }

@media (max-width: 900px) {
  .site-header { gap: 28px; }
  .main-nav { gap: 20px; }
  .hero { grid-template-columns: 1fr .85fr; padding-right: 5vw; padding-left: 5vw; gap: 20px 4vw; }
  .hero-art { min-height: 310px; }
  .platform-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .section-band { gap: 20px; }
  .section-band > span { display: none; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 64px; }
  .site-header { height: 62px; padding: 0 17px; gap: 16px; }
  .brand { font-size: 14px; }
  .brand-mark { width: 23px; height: 23px; }
  .main-nav { gap: 14px; margin-left: auto; }
  .main-nav a { font-size: 10px; }
  .language-switcher { gap: 2px; }
  .language-switcher a { padding: 5px 6px; font-size: 10px; }
  .header-cta { display: none; }
  .hero { min-height: initial; padding: 59px 22px 15px; grid-template-columns: 1fr; gap: 21px; }
  .hero-copy { padding: 0; }
  .hero h1 { font-size: clamp(48px, 14vw, 70px); }
  .hero-intro { max-width: 430px; font-size: 13px; }
  .hero-actions { gap: 18px; margin-top: 23px; }
  .button { min-height: 42px; }
  .hero-note { margin-top: 27px; }
  .hero-art { min-height: 264px; }
  .art-core { width: 76px; height: 76px; font-size: 28px; }
  .art-node { font-size: 9px; }
  .hero-bottom { font-size: 9px; }
  .product-intro { padding: 54px 22px; }
  .product-intro-head { margin-bottom: 27px; }
  .product-intro-head > p:not(.eyebrow) { font-size: 12px; }
  .product-feature-grid { grid-template-columns: 1fr; gap: 10px; }
  .product-feature { min-height: 0; padding: 20px; }
  .product-feature h3 { margin-top: 16px; }
  .intro-strip { padding: 28px 22px 42px; grid-template-columns: 1fr; gap: 27px; }
  .intro-visual { min-height: 190px; }
  .intro-copy h2, .frontier-intro h3 { font-size: 31px; }
  .section-band { min-height: 104px; flex-direction: column; gap: 5px; }
  .section-band > p { font-size: 9px; }
  .section-band h2 { font-size: 25px; }
  .section-inner { padding: 42px 18px 50px; }
  .section-heading { align-items: stretch; flex-direction: column; gap: 18px; }
  .section-heading h3 { font-size: 23px; }
  .search-box { width: 100%; }
  .platform-filters { margin: 20px 0 16px; }
  .platform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .platform-card { min-height: 226px; padding: 13px 12px 12px; }
  .platform-card h3 { font-size: 15px; }
  .card-description { min-height: 57px; font-size: 10px; }
  .frontier-inner { padding-top: 42px; }
  .frontier-intro { align-items: start; flex-direction: column; gap: 15px; }
  .frontier-intro > p { font-size: 11px; }
  .difficulty-tabs { gap: 3px; margin-top: 23px; }
  .difficulty-tab { padding: 0 9px; font-size: 10px; }
  .frontier-card { grid-template-columns: 26px 1fr 14px; gap: 8px; padding: 16px 12px; }
  .frontier-main h4 { font-size: 14px; line-height: 1.6; }
  .frontier-main > p { font-size: 10px; }
  .frontier-meta { align-items: start; flex-direction: column; gap: 5px; }
  .challenge-tags { gap: 4px; }
  .challenge-tags span { padding: 4px 5px; font-size: 8px; }
  .closing { padding: 58px 22px 65px; }
  .site-footer { padding: 15px 18px; flex-wrap: wrap; }
  .site-footer > span { order: 1; width: 100%; }
  .footer-links { gap: 12px; }
  .cookie-consent { padding: 16px 18px; }
  .cookie-consent-inner { grid-template-columns: 1fr; gap: 13px; }
  .cookie-consent-actions { justify-content: flex-start; }
  .cookie-consent-actions button { flex: 1; }
  .cookie-consent-status { grid-column: auto; margin: -7px 0 0; }
  .language-entry { padding: 0; }
  .language-entry-copy { font-size: 13px; }
  .language-entry-options { grid-template-columns: 1fr; }
}
@media (max-width: 370px) {
  .main-nav { gap: 9px; }
  .main-nav a { font-size: 9px; }
  .platform-grid { grid-template-columns: 1fr; }
  .platform-card { min-height: 210px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

.industry-controls { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 16px; margin: 31px 0 27px; }
.frontier-status { margin: 25px 0; color: #718795; font-size: 12px; }
.industry-filters { display: flex; flex-wrap: wrap; gap: 7px; }
.industry-chip { min-height: 34px; display: inline-flex; align-items: center; gap: 7px; padding: 0 10px; border: 1px solid #d8e2e9; background: #fff; color: #596d7c; cursor: pointer; font-size: 10px; transition: .18s ease; }
.industry-chip span { color: #8798a4; font: 10px var(--font-mono); }
.industry-chip:hover, .industry-chip.is-active { border-color: var(--blue); background: var(--blue); color: white; }
.industry-chip.is-active span { color: #d6efff; }
.sort-control { display: flex; align-items: center; gap: 8px; color: #687b89; white-space: nowrap; font-size: 10px; }
.sort-control select { min-height: 35px; padding: 0 24px 0 9px; border: 1px solid #d8e2e9; border-radius: 0; background: white; color: #38566a; font-size: 10px; }
.article-count { color: #8293a0; font: 10px var(--font-mono); white-space: nowrap; }
.industry-catalog { display: grid; gap: 34px; }
.industry-group { min-width: 0; }
.industry-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; margin-bottom: 13px; padding-bottom: 10px; border-bottom: 1px solid #cddbe4; }
.industry-heading h4 { margin: 0; color: #19394f; font-size: 20px; font-weight: 500; }
.industry-heading > span { color: #8494a0; font-size: 10px; }
.frontier-article-list { display: grid; gap: 9px; }
.frontier-article-card { display: grid; grid-template-columns: 38px minmax(0, 1fr) 22px; gap: 15px; align-items: start; padding: 17px 19px; border: 1px solid #e0e8ed; background: white; text-decoration: none; transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease; }
.frontier-article-card:hover { transform: translateX(3px); border-color: #91c2df; box-shadow: 0 8px 24px rgba(28, 86, 122, .07); }
.frontier-article-main { min-width: 0; display: flex; flex-direction: column; align-items: start; }
.frontier-article-title { margin-top: 8px; color: #20394b; font-size: 15px; font-weight: 500; line-height: 1.65; }
.frontier-article-summary { max-width: 900px; margin-top: 4px; color: #657886; font-size: 11px; line-height: 1.85; }
.frontier-meta { display: flex; align-items: center; gap: 10px; color: #84939e; font-size: 9px; }
.difficulty-label { padding: 4px 7px; font-size: 9px; }
.level-1 { background: #e8f5f0; color: #25896e; }.level-2 { background: #edf5e7; color: #5d883b; }.level-3 { background: #fff4e2; color: #b17a22; }.level-4 { background: #fff0e5; color: #bf6f37; }.level-5 { background: #fcece9; color: #bd5d52; }
.frontier-article-card .challenge-tags { margin-top: 10px; }
.frontier-article-card .frontier-number { padding-top: 2px; }
.frontier-article-card .frontier-arrow { padding-top: 3px; color: #7aa7c2; }

.article-page { min-height: 75vh; background: #f3f7fa; }
.article-shell { max-width: 1120px; margin: 0 auto; padding: 28px 28px 80px; }
.article-back { display: inline-flex; align-items: center; gap: 9px; color: #45718c; text-decoration: none; font-size: 11px; }
.article-back:hover { color: var(--blue); }
.article-error { margin: 80px 0; padding: 35px; border: 1px solid var(--line); background: white; color: #526979; text-align: center; }
.article-hero { position: relative; overflow: hidden; margin-top: 23px; padding: clamp(30px, 6vw, 70px); background: linear-gradient(120deg, #075b96, #0875bd 75%, #2088bc); color: white; }
.article-hero::after { content: ""; position: absolute; width: 360px; height: 360px; right: -100px; top: -180px; border: 1px solid rgba(222, 245, 255, .21); border-radius: 50%; box-shadow: 0 0 0 32px rgba(223, 243, 253, .035), 0 0 0 68px rgba(223, 243, 253, .035); pointer-events: none; }
.article-hero > * { position: relative; z-index: 1; }
.article-hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 34px; }
.article-industry, .article-level { padding: 6px 9px; border: 1px solid rgba(220, 241, 252, .35); color: #e0f2fb; font-size: 10px; }
.article-hero .eyebrow { margin-bottom: 12px; }
.article-hero h1 { max-width: 820px; margin: 0; font-size: clamp(30px, 5vw, 56px); font-weight: 500; line-height: 1.35; letter-spacing: -.045em; }
.article-deck { max-width: 760px; margin: 17px 0 0; color: #d7edf8; font-size: 14px; line-height: 2; }
.article-hero .challenge-tags { margin-top: 22px; }
.article-hero .challenge-tags span { border: 1px solid rgba(217, 240, 251, .22); background: rgba(255, 255, 255, .1); color: #e5f4fa; }
.article-layout { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 64px; padding: 55px 30px 40px; background: white; }
.article-aside { align-self: start; position: sticky; top: 92px; display: grid; gap: 15px; color: #70828f; font-size: 10px; }
.article-aside .eyebrow { margin-bottom: 3px; font-size: 9px; }
.article-aside > a { margin-top: 12px; color: var(--blue); text-decoration: none; }
.article-body { max-width: 690px; }
.article-section { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 0 14px; padding: 0 0 29px; margin-bottom: 28px; border-bottom: 1px solid #e5ebef; }
.article-section:last-child { margin-bottom: 0; }
.article-section-number { padding-top: 4px; color: #7da6bd; font: 10px var(--font-mono); }
.article-section h2 { margin: 0; color: #1d3b51; font-size: 19px; font-weight: 500; }
.article-section p { grid-column: 2; margin: 10px 0 0; color: #5c7180; font-size: 13px; line-height: 2.1; }
.article-disclaimer { display: grid; grid-template-columns: 145px 1fr; gap: 15px; margin-top: 18px; padding: 20px 24px; border-left: 3px solid #64a5cb; background: #e9f2f7; color: #5c7382; }
.article-disclaimer strong { color: #285777; font-size: 11px; font-weight: 500; }
.article-disclaimer p { margin: 0; font-size: 10px; line-height: 1.9; }
.legal-page { min-height: 75vh; background: #f3f7fa; }
.legal-shell { max-width: 1000px; margin: 0 auto; padding: 64px 28px 88px; }
.legal-heading { margin-bottom: 30px; padding: clamp(28px, 5vw, 52px); background: linear-gradient(120deg, #075b96, #0875bd 75%, #2088bc); color: white; }
.legal-heading .eyebrow { margin-bottom: 10px; }
.legal-heading h1 { margin: 0; font-size: clamp(30px, 5vw, 48px); font-weight: 500; letter-spacing: -.04em; }
.legal-updated { margin: 14px 0 0; color: #d7edf8; font-size: 12px; }
.legal-content { padding: clamp(24px, 5vw, 52px); background: white; }
.legal-content section { padding-bottom: 24px; margin-bottom: 24px; border-bottom: 1px solid #e5ebef; }
.legal-content section:last-child { padding: 0; margin: 0; border: 0; }
.legal-content h2 { margin: 0 0 10px; color: #1d3b51; font-size: 17px; font-weight: 500; }
.legal-content p, .legal-content li { color: #5c7180; font-size: 13px; line-height: 2; }
.legal-content p { margin: 8px 0 0; }
.legal-content ul { padding-left: 22px; margin: 8px 0 0; }
.related-section { padding: 45px 0 0; }
.related-heading .eyebrow { margin-bottom: 6px; }
.related-heading h2 { margin: 0 0 17px; color: #1d3b51; font-size: 23px; font-weight: 500; }
.related-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.related-card { display: flex; flex-direction: column; gap: 10px; padding: 17px; border: 1px solid #dfe8ed; background: white; text-decoration: none; }
.related-card:hover { border-color: #91c2df; }
.related-card strong { color: #24455d; font-size: 12px; font-weight: 500; line-height: 1.7; }
.related-card span { color: #7b8e9a; font-size: 9px; }
.model-hero-top, .platform-hero-top { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 32px; }
.model-brand-lockup, .platform-brand-lockup { display: flex; align-items: center; gap: 10px; color: #e2f2fa; font-size: 11px; }
.model-brand-lockup .platform-icon, .platform-brand-lockup .platform-icon { flex: 0 0 36px; }
.model-external-link, .platform-external-link { width: fit-content; margin-top: 24px; }

@media (max-width: 760px) {
  .model-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .industry-controls { grid-template-columns: 1fr auto; }
  .industry-filters { grid-column: 1 / -1; order: 1; }
  .industry-heading h4 { font-size: 17px; }
  .frontier-article-card { grid-template-columns: 26px minmax(0, 1fr) 16px; gap: 9px; padding: 15px 12px; }
  .frontier-article-title { font-size: 13px; }
  .frontier-article-summary { font-size: 10px; }
  .article-shell { padding: 20px 16px 55px; }
  .legal-shell { padding: 32px 16px 55px; }
  .legal-heading, .legal-content { padding: 25px 20px; }
  .article-hero { margin-top: 18px; padding: 29px 22px 34px; }
  .article-hero-meta { margin-bottom: 25px; }
  .model-hero-top, .platform-hero-top { margin-bottom: 25px; }
  .article-deck { font-size: 12px; }
  .article-layout { grid-template-columns: 1fr; gap: 22px; padding: 27px 20px 30px; }
  .article-aside { position: static; display: flex; flex-wrap: wrap; gap: 10px 15px; padding-bottom: 15px; border-bottom: 1px solid #e5ebef; }
  .article-aside .eyebrow { flex-basis: 100%; }
  .article-aside > a { margin-top: 0; }
  .article-section h2 { font-size: 16px; }
  .article-section p { font-size: 12px; }
  .article-disclaimer { grid-template-columns: 1fr; gap: 8px; padding: 16px; }
}
@media (max-width: 480px) {
  .model-results-meta { align-items: start; flex-direction: column; gap: 0; }
  .model-metrics { padding: 18px 22px; }
  .model-metrics strong { font-size: 14px; }
  .industry-controls { grid-template-columns: 1fr; align-items: start; }
  .industry-filters { grid-column: auto; }
  .sort-control { justify-content: space-between; }
  .article-count { justify-self: start; }
  .industry-heading { align-items: start; flex-direction: column; gap: 5px; }
  .frontier-article-card .challenge-tags span { font-size: 8px; }
  .article-section { grid-template-columns: 24px 1fr; gap: 0 9px; }
  .related-list { grid-template-columns: 1fr; }
}