/* Shared visual system. Typography and brand colors follow YonWork. */
.yononto-page {
  --brand: #e60012;
  --brand-dark: #c90016;
  --ink: #17181c;
  --heading: #111827;
  --body: #596170;
  --muted: #697283;
  --line: #e5e8ef;
  --surface: #f7f8fc;
  --radius: 22px;
  --shadow: 0 16px 44px rgba(36, 42, 76, .055);
  --font: "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.yononto-page, .yononto-page * { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-gutter: stable; }
.yononto-page { margin: 0; color: var(--ink); font: 16px/1.65 var(--font); background: #fff; -webkit-font-smoothing: antialiased; }
.yononto-page [hidden] { display: none !important; }
.yononto-page .visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.yononto-page a { color: inherit; text-decoration: none; }
.yononto-page button, .yononto-page a { -webkit-tap-highlight-color: transparent; }
.yononto-page button { font: inherit; cursor: pointer; }
.yononto-page button, .yononto-page a { touch-action: manipulation; }
.yononto-page img { max-width: 100%; }
.yononto-page button:disabled { cursor: wait; }
.yononto-page :focus-visible { outline: 3px solid #476ae8; outline-offset: 5px; }
.yononto-page main:focus { outline: none; }
.yononto-page svg { display: block; width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.yononto-page .container { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.yononto-page .section { scroll-margin-top: 24px; }
.yononto-page .hero.section { scroll-margin-top: 0; }
.yononto-page .skip-link { position: fixed; z-index: 100; top: 10px; left: 24px; padding: 10px 18px; border-radius: 12px; color: #fff; background: var(--heading); transform: translateY(-160%); opacity: 0; pointer-events: none; }
.yononto-page .skip-link:focus { transform: translateY(0); opacity: 1; pointer-events: auto; }

/* Navigation */

/* 1. Positioning */
.yononto-page .hero { position: relative; isolation: isolate; overflow: hidden; padding: 142px 0 80px; background: linear-gradient(180deg,#f4eafc 0%,#fbfaff 40%,#fff 91%); }
.yononto-page .hero-backdrop { position: absolute; z-index: -1; top: 6px; left: 0; right: 0; height: 620px; background: url('/products/yononto/assets/yonwork-hero-bg.webp') center bottom/cover no-repeat; opacity: .75; }
.yononto-page .hero-backdrop::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg,rgba(247,239,253,.78),rgba(247,239,253,.45) 42%,rgba(255,255,255,.15) 75%,#fff); }
.yononto-page .hero-content { text-align: center; }
.yononto-page .hero h1 { font-size: clamp(76px,8.5vw,116px); letter-spacing: -.075em; line-height: 1.05; margin: 0 0 15px; font-weight: 800; }
.yononto-page .hero h1 span { color: var(--brand); }
.yononto-page .hero h1 em { font-style: normal; color: #63666c; }
.yononto-page .hero-headline { font-size: clamp(30px,3.5vw,46px); line-height: 1.35; letter-spacing: -.035em; font-weight: 750; margin: 0; text-wrap: balance; }
.yononto-page .gradient-text { margin-left: .16em; color: transparent; background: linear-gradient(90deg,#b62ec9,#e00036 53%,#ef841a); background-clip: text; -webkit-background-clip: text; }
.yononto-page .hero-description { max-width: 740px; margin: 24px auto 0; color: #545c6b; font-size: 17px; line-height: 1.8; }
.yononto-page .hero-definition { display: block; margin-bottom: 3px; }
.yononto-page .hero-description strong { color: #2f3542; font-weight: 650; }
.yononto-page .hero-link { display: inline-flex; align-items: center; gap: 18px; padding: 12px 22px; margin-top: 25px; border: 1px solid rgba(157,158,177,.44); border-radius: 999px; background: rgba(255,255,255,.72); color: #2b3342; font-size: 14px; font-weight: 700; transition: background .2s, transform .2s; }
.yononto-page .hero-link:hover { background: #fff; transform: translateY(-2px); }
.yononto-page .hero-link span { font-size: 21px; line-height: 1; font-weight: 400; }
.yononto-page .ontology-stack { position: relative; max-width: 1000px; margin: 54px auto 0; text-align: left; filter: drop-shadow(0 18px 30px rgba(45,49,88,.055)); }
.yononto-page .stack-row { display: grid; grid-template-columns: 118px minmax(0,1fr); align-items: center; gap: 22px; min-height: 72px; padding: 16px 28px; border: 1px solid #e4e6ee; border-radius: 17px; background: rgba(255,255,255,.96); }
.yononto-page .stack-label { font-size: 16px; font-weight: 700; color: var(--brand-dark); }
.yononto-page .stack-items { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; color: #4f5868; font-size: 14px; }
.yononto-page .stack-items i { height: 12px; width: 1px; background: #e0e2ea; }
.yononto-page .stack-connector { height: 22px; display: flex; align-items: center; justify-content: center; }
.yononto-page .stack-connector span { position: relative; width: 1px; height: 100%; background: #e58293; }
.yononto-page .stack-connector span::after { content: ''; position: absolute; width: 5px; height: 5px; border-right: 1px solid #d9445e; border-bottom: 1px solid #d9445e; transform: rotate(45deg); bottom: 1px; left: -2px; }
.yononto-page .stack-connector-up { transform: rotate(180deg); }
.yononto-page .stack-core { position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; min-height: 146px; padding: 25px; border-radius: 18px; color: #fff; background: linear-gradient(115deg,#f00019,#d5001a 68%,#bf063d); box-shadow: 0 13px 28px rgba(219,0,31,.17); }
.yononto-page .stack-core>div { position: relative; z-index: 1; text-align: center; }
.yononto-page .stack-core strong { display: block; font-size: 30px; letter-spacing: -.035em; line-height: 1.4; margin: 5px 0; }
.yononto-page .stack-core small { font-size: 14px; color: #fff0f3; }
.yononto-page .stack-core small i { display: inline-block; width: 3px; height: 3px; margin: 0 10px; border-radius: 50%; background: currentColor; vertical-align: middle; }
.yononto-page .core-kicker { font-size: 11px; letter-spacing: .16em; font-weight: 600; color: #ffc3ce; }
.yononto-page .core-orb { position: absolute; left: -80px; width: 280px; height: 280px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; }
.yononto-page .core-orb::after { content: ''; position: absolute; inset: 44px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.yononto-page .core-glow { position: absolute; right: -100px; top: -140px; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle,rgba(255,255,255,.16),transparent 65%); }

/* Section rhythm */
.yononto-page .architecture-section, .yononto-page .product-section, .yononto-page .advantages-section, .yononto-page .reasoning-section, .yononto-page .news-section { padding: 100px 0 108px; }
.yononto-page .section-heading { margin-bottom: 46px; }
.yononto-page .center-heading { text-align: center; }
.yononto-page .section-heading h2 { margin: 0 0 18px; color: var(--heading); font-size: clamp(32px,3.4vw,46px); font-weight: 750; line-height: 1.35; letter-spacing: -.025em; text-wrap: balance; }
.yononto-page .section-heading p { max-width: 750px; margin: 0 auto; color: var(--body); font-size: 16px; line-height: 1.85; text-wrap: pretty; }
.yononto-page .accent-title { color: var(--brand); }

/* 2. Architecture */
.yononto-page .architecture-layout { display: grid; grid-template-columns: minmax(0,1fr) 160px; gap: 18px; }
.yononto-page .architecture-main, .yononto-page .governance { border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(135deg,#fff,#f9faff); box-shadow: var(--shadow); }
.yononto-page .architecture-main { padding: 24px; }
.yononto-page .architecture-layer { display: grid; grid-template-columns: 94px minmax(0,1fr); align-items: center; gap: 16px; padding: 19px 0; border-bottom: 1px solid #e9ecf3; }
.yononto-page .architecture-layer:first-child { padding-top: 0; }
.yononto-page .architecture-layer:nth-child(3) { border-bottom: 0; }
.yononto-page .architecture-layer h3, .yononto-page .governance h3 { margin: 0; color: var(--brand-dark); font-size: 16px; font-weight: 700; }
.yononto-page .architecture-chips { display: grid; gap: 10px; }
.yononto-page .four-col { grid-template-columns: repeat(4,minmax(0,1fr)); }
.yononto-page .three-col { grid-template-columns: repeat(3,minmax(0,1fr)); }
.yononto-page .five-col { grid-template-columns: repeat(5,minmax(0,1fr)); }
.yononto-page .architecture-chip { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 67px; padding: 12px 8px; border: 1px solid #e4e7ef; border-radius: 12px; background: #fff; color: #333b4b; font-size: 14px; line-height: 1.55; font-weight: 600; text-align: center; overflow-wrap: anywhere; }
.yononto-page .architecture-chip strong { color: var(--brand-dark); font-size: 16px; }
.yononto-page .architecture-chip span { margin-top: 7px; color: #616c7c; font-size: 13px; font-weight: 400; line-height: 1.65; }
.yononto-page .core-layer .architecture-chips { padding: 9px; background: linear-gradient(105deg,#e60012,#cb0c39); border-radius: 14px; box-shadow: 0 7px 17px rgba(220,0,25,.11); }
.yononto-page .core-layer .architecture-chip { min-height: 54px; border: 0; font-size: 16px; font-weight: 700; }
.yononto-page .integration-layer { margin-top: 5px; padding: 22px 0 0; border-top: 1px solid #e9ecf3; border-bottom: 0; }
.yononto-page .integration-layer .architecture-chip { min-height: 62px; background: #f1f3f8; font-size: 13px; }
.yononto-page .governance { display: flex; flex-direction: column; gap: 14px; padding: 25px 16px; text-align: center; }
.yononto-page .governance h3 { margin-bottom: 2px; }
.yononto-page .governance div { display: grid; place-items: center; flex: 1; min-height: 52px; border: 1px solid #e4e7ef; border-radius: 11px; background: #fff; color: #4b5464; font-size: 14px; font-weight: 600; }
.yononto-page .value-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; margin-top: 27px; }
.yononto-page .value-grid article { position: relative; padding: 21px 4px 0 23px; border-left: 2px solid #eed5dc; }
.yononto-page .value-number { position: absolute; right: 5px; top: 13px; font-size: 26px; line-height: 1; letter-spacing: -.05em; font-weight: 700; color: #e5e7ee; }
.yononto-page .value-grid h3 { position: relative; margin: 0 0 8px; font-size: 20px; color: #242d3e; }
.yononto-page .value-grid p { margin: 0; color: var(--body); font-size: 15px; line-height: 1.8; }

/* 3. Product media */
.yononto-page .product-section { position: relative; overflow: hidden; background: radial-gradient(ellipse at 15% 36%,#eee6fa66,transparent 52%),linear-gradient(180deg,#faf7ff,#f6faff 60%,#fff); }
.yononto-page .product-showcase { display: grid; grid-template-columns: 360px minmax(0,1fr); max-width: 1200px; min-height: 542px; margin: auto; overflow: hidden; border: 1px solid #e3e5ed; border-radius: 26px; background: #fff; box-shadow: 0 28px 64px rgba(39,42,79,.11),0 4px 12px rgba(39,42,79,.04); }
.yononto-page .product-tabs { display: grid; grid-template-rows: repeat(5,minmax(0,1fr)); gap: 8px; padding: 20px; border-right: 1px solid #e8e9ef; background: linear-gradient(150deg,#fff,#fcfafc); }
.yononto-page .product-tabs button { display: flex; align-items: center; gap: 13px; min-width: 0; min-height: 88px; padding: 13px 14px; border: 1px solid #f0f0f4; border-radius: 16px; background: rgba(255,255,255,.8); color: #272d38; text-align: left; box-shadow: 0 2px 6px rgba(43,46,67,.018); transition: border-color .25s, background .25s, box-shadow .25s, transform .25s; }
.yononto-page .product-tabs button:hover { border-color: #ececf2; background: #fff; box-shadow: 0 5px 14px rgba(43,46,67,.045); transform: translateX(2px); }
.yononto-page .product-tabs button[aria-selected='true'] { border-color: #f1dce1; background: linear-gradient(110deg,#fff4f6,#fffbfc); box-shadow: 0 8px 22px rgba(103,56,72,.08), inset 0 1px rgba(255,255,255,.95); }
.yononto-page .product-tabs button:focus-visible { outline-offset: -3px; }
.yononto-page .product-tab-icon { display: grid; flex: 0 0 46px; place-items: center; width: 46px; height: 46px; border: 1px solid #e9ebf1; border-radius: 13px; background: #fff; color: #8b94a2; box-shadow: 0 3px 8px rgba(35,43,69,.035); transition: color .25s, border-color .25s, background .25s; }
.yononto-page .product-tab-icon svg { width: 23px; height: 23px; }
.yononto-page .product-tabs button[aria-selected='true'] .product-tab-icon { border-color: #f5d3db; background: linear-gradient(145deg,#fff,#ffe9ed); color: var(--brand); }
.yononto-page .product-tab-copy { display: grid; gap: 3px; min-width: 0; flex: 1; }
.yononto-page .product-tab-title { color: #303643; font-size: 17px; font-weight: 700; line-height: 1.35; white-space: nowrap; }
.yononto-page .product-tab-summary { color: #858c98; font-size: 12px; font-weight: 400; line-height: 1.45; }
.yononto-page .product-tabs button[aria-selected='true'] .product-tab-title { color: var(--brand-dark); }
.yononto-page .product-tabs button[aria-selected='true'] .product-tab-summary { color: #836b72; }
.yononto-page .product-tab-arrow { align-self: flex-start; margin-top: 2px; color: #b9c0cb; font-size: 17px; font-weight: 400; line-height: 1; opacity: 0; transition: opacity .2s; }
.yononto-page .product-tabs button:hover .product-tab-arrow, .yononto-page .product-tabs button[aria-selected='true'] .product-tab-arrow { opacity: 1; }
.yononto-page .product-tabs button[aria-selected='true'] .product-tab-arrow { color: var(--brand); }
.yononto-page .product-panel { display: flex; flex-direction: column; min-width: 0; padding: 25px 27px 23px; background: radial-gradient(ellipse at 95% 100%,rgba(255,234,239,.55),transparent 44%),linear-gradient(145deg,#fbfcff,#f8f9fc 66%,#fffafb); }
.yononto-page .product-description { min-height: 0; margin: 0; padding-left: 14px; border-left: 2px solid var(--brand); color: #596170; font-size: 15px; font-weight: 500; line-height: 1.55; text-align: left; text-wrap: pretty; }
.yononto-page .product-image-frame { display: grid; flex: 1; place-items: center; min-width: 0; margin: 16px 0 18px; padding: 11px; overflow: hidden; border: 1px solid #e9eaf0; border-radius: 19px; background: #fff; box-shadow: 0 14px 30px rgba(37,43,69,.065),0 2px 5px rgba(37,43,69,.025); }
.yononto-page .product-illustration { display: block; width: 100%; height: auto; aspect-ratio: 1828/860; border-radius: 9px; object-fit: contain; }
.yononto-page .product-panel.is-switching .product-image-frame, .yononto-page .product-panel.is-switching .product-description { animation: product-preview-in .48s cubic-bezier(.22,1,.36,1) both; }
.yononto-page .product-panel.is-switching .product-description { animation-delay: .05s; }
@keyframes product-preview-in { from { opacity: .4; transform: translateY(9px) scale(.99); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* 4. Advantages */
.yononto-page .advantage-grid { display: grid; grid-template-columns: 1fr 1.12fr; gap: 20px; }
.yononto-page .advantage-card { position: relative; padding: 28px 32px 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.yononto-page .semantic-card { grid-column: 1; grid-row: 1; }
.yononto-page .context-card { grid-column: 1; grid-row: 2; }
.yononto-page .ready-card { grid-column: 2; grid-row: 1 / span 2; background: linear-gradient(145deg,#fdf9fc,#f9faff); }
.yononto-page .advantage-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 18px; border: 1px solid #fae3e8; border-radius: 12px; background: #fff0f3; color: var(--brand-dark); }
.yononto-page .advantage-icon svg { width: 23px; height: 23px; }
.yononto-page .advantage-card h3 { margin: 0 0 12px; color: #202a3b; font-size: 23px; font-weight: 700; line-height: 1.45; letter-spacing: -.02em; }
.yononto-page .advantage-card>p { margin: 0; color: var(--body); font-size: 15px; line-height: 1.85; }
.yononto-page .ontology-types { display: grid; gap: 14px; margin-top: 23px; }
.yononto-page .ontology-types>div { padding: 20px 22px; border: 1px solid #e9e6ee; border-radius: 14px; background: rgba(255,255,255,.88); }
.yononto-page .ontology-types strong { display: block; margin-bottom: 7px; color: var(--brand-dark); font-size: 16px; }
.yononto-page .ontology-types p { margin: 0; color: var(--body); font-size: 15px; line-height: 1.85; }
/* 5. 智能推理 */
.yononto-page .reasoning-section { position: relative; overflow: hidden; background: linear-gradient(180deg,#f8f9fc,#fff 88%); }
.yononto-page .reasoning-section .section-heading { margin-bottom: 42px; }
.yononto-page .reasoning-grid { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 18px; }
.yononto-page .reasoning-card { position: relative; display: flex; flex-direction: column; grid-column: span 2; min-width: 0; min-height: 365px; overflow: hidden; padding: 22px 26px 28px; border: 1px solid #e9ebf0; border-radius: 22px; background: #fff; box-shadow: 0 14px 34px rgba(36,45,65,.065); transition: transform .25s,box-shadow .25s; }
.yononto-page .reasoning-card:nth-child(n+4) { grid-column: span 3; }
.yononto-page .reasoning-card:hover { transform: translateY(-3px); box-shadow: 0 19px 42px rgba(36,45,65,.1); }
.yononto-page .reasoning-art { display: grid; place-items: center; height: 180px; margin: 0 -4px 19px; border-radius: 18px; background: #fff; }
.yononto-page .reasoning-icon { display: block; width: 210px; height: 160px; background: url('/products/yononto/assets/reasoning-icons-v2.png') no-repeat; background-size: 630px 420px; }
.yononto-page .reasoning-icon--deduction { background-position: 0 -35px; }
.yononto-page .reasoning-icon--induction { background-position: -210px -35px; }
.yononto-page .reasoning-icon--abduction { background-position: -420px -35px; }
.yononto-page .reasoning-icon--optimization { background-position: -80px -215px; }
.yononto-page .reasoning-icon--llm { background-position: -320px -215px; }
.yononto-page .reasoning-card h3 { margin: 0; color: #263044; font-size: 23px; line-height: 1.4; letter-spacing: -.02em; }
.yononto-page .reasoning-card p { margin: 15px 0 0; color: var(--body); font-size: 15px; line-height: 1.8; }

/* 6. 最新资讯 */
.yononto-page .news-section { background: var(--surface); }
.yononto-page .news-section .section-heading { margin-bottom: 42px; }
.yononto-page .news-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.yononto-page .news-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; transition: transform .28s,box-shadow .28s,border-color .28s; }
.yononto-page .news-card:hover { transform: translateY(-4px); border-color: transparent; box-shadow: 0 18px 40px rgba(36,42,76,.1); }
.yononto-page .news-card-img { position: relative; overflow: hidden; aspect-ratio: 16 / 9; background: var(--surface); }
.yononto-page .news-card-img img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.yononto-page .news-card:hover .news-card-img img { transform: scale(1.06); }
.yononto-page .news-card-tag { position: absolute; z-index: 2; top: 12px; left: 12px; padding: 4px 11px; border-radius: 7px; background: rgba(230,0,18,.94); color: #fff; font-size: 12px; font-weight: 600; letter-spacing: .02em; }
.yononto-page .news-card-body { display: flex; flex: 1; flex-direction: column; padding: 21px 23px 25px; }
.yononto-page .news-card-date { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 10px; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.yononto-page .news-card-date svg { width: 14px; height: 14px; color: var(--brand); }
.yononto-page .news-card-title { margin: 0 0 10px; color: var(--heading); font-size: 17px; font-weight: 700; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-wrap: pretty; }
.yononto-page .news-card-desc { margin: 0; color: var(--body); font-size: 14px; line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-wrap: pretty; }
.yononto-page .news-more { margin-top: 38px; text-align: center; }
.yononto-page .news-more a { display: inline-flex; align-items: center; gap: 8px; padding: 12px 30px; border: 1px solid var(--brand); border-radius: 12px; color: var(--brand); font-size: 15px; font-weight: 600; transition: background .2s,color .2s; }
.yononto-page .news-more a:hover { background: var(--brand); color: #fff; }
.yononto-page .news-more svg { width: 16px; height: 16px; }

/* Footer */

/* Tablet: give diagrams and navigation enough room. */
@media (max-width:1100px) {
  .yononto-page .architecture-layout { grid-template-columns: minmax(0,1fr) 140px; gap: 14px; }
  .yononto-page .architecture-main { padding: 20px; }
  .yononto-page .architecture-layer { grid-template-columns: 80px minmax(0,1fr); gap: 12px; }
  .yononto-page .architecture-chips { gap: 7px; }
  .yononto-page .integration-layer .architecture-chips { grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (max-width:920px) {
  .yononto-page .container { width: calc(100% - 40px); }
  .yononto-page .product-showcase { grid-template-columns: 280px minmax(0,1fr); min-height: 0; }
  .yononto-page .product-tabs { gap: 5px; padding: 14px; }
  .yononto-page .product-tabs button { gap: 10px; min-height: 72px; padding: 10px; }
  .yononto-page .product-tab-icon { flex-basis: 40px; width: 40px; height: 40px; }
  .yononto-page .product-tab-icon svg { width: 21px; height: 21px; }
  .yononto-page .product-tab-title { font-size: 15px; }
  .yononto-page .product-tab-summary { font-size: 11px; }
  .yononto-page .product-panel { justify-content: space-between; padding: 20px; }
  .yononto-page .product-image-frame { flex: none; aspect-ratio: 1.95; margin: 10px 0 12px; }
  .yononto-page .product-description { font-size: 14px; }
  .yononto-page .hero { padding-top: 138px; }
  .yononto-page .stack-row { grid-template-columns: 90px minmax(0,1fr); padding-inline: 20px; gap: 14px; }
  .yononto-page .stack-items { justify-content: flex-start; font-size: 14px; gap: 8px 16px; }
  .yononto-page .stack-items i { display: none; }
  .yononto-page .architecture-layout { grid-template-columns: 1fr; }
  .yononto-page .architecture-layer { grid-template-columns: 88px minmax(0,1fr); gap: 16px; }
  .yononto-page .architecture-chip strong { font-size: 15px; }
  .yononto-page .governance { display: grid; grid-template-columns: 88px repeat(4,minmax(0,1fr)); align-items: center; padding: 18px 20px; gap: 12px; }
  .yononto-page .governance h3 { text-align: left; font-size: 15px; }
  .yononto-page .governance div { min-height: 50px; }
  .yononto-page .value-grid { gap: 16px; }
  .yononto-page .value-grid article { padding-left: 17px; }
  .yononto-page .advantage-card { padding: 26px; }
  .yononto-page .ontology-types>div { padding: 16px; }
  .yononto-page .reasoning-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .yononto-page .reasoning-card, .yononto-page .reasoning-card:nth-child(n+4) { grid-column: span 1; }
  .yononto-page .reasoning-card:last-child { grid-column: 1 / -1; }
  .yononto-page .news-grid { gap: 16px; }
  .yononto-page .news-card-body { padding: 18px 19px 21px; }
  .yononto-page .news-card-title { font-size: 16px; }
}
@media (max-width:700px) {
  .yononto-page .container { width: calc(100% - 36px); }
  .yononto-page .hero { padding: 125px 0 63px; }
  .yononto-page .hero-backdrop { height: 510px; background-size: auto 510px; opacity: .56; }
  .yononto-page .hero h1 { font-size: clamp(60px,16vw,89px); margin: 0 0 15px; }
  .yononto-page .hero-headline { font-size: clamp(25px,6.8vw,36px); line-height: 1.45; letter-spacing: -.035em; }
  .yononto-page .hero-description { font-size: 15px; line-height: 1.9; max-width: 460px; margin-top: 20px; }
  .yononto-page .desktop-break { display: none; }
  .yononto-page .hero-link { margin-top: 21px; }
  .yononto-page .ontology-stack { margin-top: 40px; }
  .yononto-page .stack-row { display: block; padding: 18px; }
  .yononto-page .stack-label { display: block; margin-bottom: 10px; font-size: 15px; }
  .yononto-page .stack-items { gap: 7px; }
  .yononto-page .stack-items span { padding: 5px 9px; border: 1px solid #eaeef4; border-radius: 7px; background: #f7f8fc; font-size: 13px; }
  .yononto-page .stack-core { min-height: 140px; padding: 21px 12px; }
  .yononto-page .stack-core strong { font-size: clamp(21px,5.8vw,28px); }
  .yononto-page .core-kicker { font-size: 9px; letter-spacing: .14em; }
  .yononto-page .stack-core small { font-size: 13px; }
  .yononto-page .stack-core small i { margin: 0 7px; }
  .yononto-page .section { scroll-margin-top: 16px; }
  .yononto-page .architecture-section, .yononto-page .product-section, .yononto-page .advantages-section, .yononto-page .reasoning-section, .yononto-page .news-section { padding: 73px 0 78px; }
  .yononto-page .section-heading { margin-bottom: 33px; }
  .yononto-page .section-heading h2 { margin: 0 0 17px; font-size: clamp(28px,7.5vw,37px); line-height: 1.45; }
  .yononto-page .section-heading p { font-size: 15px; line-height: 1.85; }
  .yononto-page .architecture-main { padding: 19px; }
  .yononto-page .architecture-layer { grid-template-columns: 1fr; gap: 12px; padding: 19px 0; }
  .yononto-page .four-col { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .yononto-page .architecture-chip { font-size: 14px; min-height: 57px; }
  .yononto-page .architecture-chip strong { font-size: 16px; }
  .yononto-page .architecture-chip span { font-size: 13px; }
  .yononto-page .core-layer .architecture-chips { padding: 7px; gap: 6px; }
  .yononto-page .core-layer .architecture-chip { min-height: 54px; padding: 9px 3px; font-size: 14px; }
  .yononto-page .integration-layer .architecture-chips { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .yononto-page .integration-layer .architecture-chip:last-child { grid-column: 1 / -1; }
  .yononto-page .governance { grid-template-columns: repeat(2,minmax(0,1fr)); padding: 19px; gap: 9px; }
  .yononto-page .governance h3 { grid-column: 1 / -1; margin-bottom: 4px; }
  .yononto-page .governance div { min-height: 48px; }
  .yononto-page .value-grid { grid-template-columns: 1fr; gap: 24px; margin-top: 30px; }
  .yononto-page .value-grid article { padding: 0 20px; }
  .yononto-page .value-number { top: 0; font-size: 23px; }
  .yononto-page .value-grid h3 { font-size: 19px; }
  .yononto-page .advantage-grid { grid-template-columns: 1fr; gap: 15px; }
  .yononto-page .semantic-card, .yononto-page .ready-card, .yononto-page .context-card { grid-column: auto; grid-row: auto; }
  .yononto-page .advantage-card { padding: 25px; }
  .yononto-page .advantage-card h3 { font-size: 22px; }
  .yononto-page .advantage-card>p, .yononto-page .ontology-types p { font-size: 15px; }
  .yononto-page .reasoning-section .section-heading { margin-bottom: 33px; }
  .yononto-page .reasoning-grid { grid-template-columns: 1fr; gap: 14px; }
  .yononto-page .reasoning-card, .yononto-page .reasoning-card:nth-child(n+4), .yononto-page .reasoning-card:last-child { grid-column: 1; }
  .yononto-page .reasoning-card { min-height: 0; padding: 20px; }
  .yononto-page .reasoning-art { height: 170px; margin-bottom: 15px; }
  .yononto-page .reasoning-card h3 { font-size: 21px; }
  .yononto-page .news-section .section-heading { margin-bottom: 30px; }
  .yononto-page .news-grid { grid-template-columns: 1fr; gap: 14px; }
  .yononto-page .news-card-body { padding: 18px 19px 21px; }
  .yononto-page .news-card-title { font-size: 17px; }
  .yononto-page .news-more { margin-top: 28px; }
  .yononto-page .news-more a { padding: 11px 24px; font-size: 14px; }
}
@media (max-width:700px) {
  .yononto-page .product-showcase { grid-template-columns: minmax(0,1fr); min-height: 0; border-radius: 20px; }
  .yononto-page .product-tabs { display: flex; gap: 8px; overflow-x: auto; padding: 11px; border-right: 0; border-bottom: 1px solid #e8e9ef; scrollbar-width: thin; scroll-snap-type: x proximity; }
  .yononto-page .product-tabs button { flex: 0 0 174px; min-height: 64px; padding: 9px; border-radius: 12px; scroll-snap-align: center; }
  .yononto-page .product-tabs button:hover { transform: none; }
  .yononto-page .product-tab-icon { flex-basis: 36px; width: 36px; height: 36px; border-radius: 10px; }
  .yononto-page .product-tab-icon svg { width: 19px; height: 19px; }
  .yononto-page .product-tab-title { font-size: 15px; }
  .yononto-page .product-tab-summary, .yononto-page .product-tab-arrow { display: none; }
  .yononto-page .product-panel { justify-content: flex-start; padding: 16px; }
  .yononto-page .product-image-frame { aspect-ratio: auto; margin: 13px 0 15px; padding: 6px; border-radius: 14px; }
  .yononto-page .product-illustration { border-radius: 8px; }
  .yononto-page .product-description { font-size: 14px; }
}
@media (max-width:390px) {
  .yononto-page .product-tabs button { flex-basis: 156px; }
  .yononto-page .product-panel { padding: 13px; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}