/* =====================================================================
   YIMEIQI v2 — Design System "Clinical Precision" (Proposal A)
   White medical-tech. Tokens:
     ink #0B2A4A · brand #0E5FA8 · accent #1FA9D0 · tint #EDF5FB
     series: P #1E96C9 · Teen I #23B09B · Teen II #0E8E7D · Ultra #B8933F
   ===================================================================== */

:root{
  --ink:#0B2A4A; --ink-2:#274357; --muted:#5B7286;
  --brand:#0E5FA8; --brand-deep:#0A3763; --navy:#0A2E52;
  --accent:#1FA9D0; --tint:#EDF5FB; --tint-2:#E2EFF9;
  --line:#D8E4EE; --bg:#FFFFFF; --bg-soft:#F6FAFD;
  --p:#1E96C9; --teen1:#23B09B; --teen2:#0E8E7D; --ultra:#B8933F;
  --ok:#2E9E6B; --warn:#B7791F;
  --r:16px; --r-lg:24px;
  --shadow:0 10px 34px rgba(10,46,82,.08);
  --shadow-sm:0 3px 12px rgba(10,46,82,.06);
  --font-d:"Sora","Segoe UI",sans-serif;
  --font-b:"Manrope","Segoe UI",sans-serif;
  --maxw:1180px;
}

/* ---- Reset / base ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-b);color:var(--ink);background:var(--bg);font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-d);line-height:1.16;letter-spacing:-.012em;font-weight:700;color:var(--ink)}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem)}
h2{font-size:clamp(1.65rem,3.2vw,2.35rem)}
h3{font-size:1.3rem}
p{margin:0 0 1em}
ul{margin:0;padding:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
[id]{scroll-margin-top:92px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--soft{background:var(--bg-soft)}
.section--dark{background:linear-gradient(120deg,var(--navy),#0D4478);color:#EAF3F5}
.section--dark h1,.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:#C7DBE0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-d);font-weight:600;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px}
.section--dark .eyebrow{color:var(--accent)}
.section--dark .eyebrow::before{background:var(--accent)}
.lead{font-size:1.13rem;color:var(--muted);max-width:62ch}
.section--dark .lead{color:#C7DBE0}
.section-head{max-width:760px;margin-bottom:52px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head--center .eyebrow::before{display:none}
.section-head--center .lead{margin-inline:auto}
.center{text-align:center}
.note{font-size:.9rem;color:var(--ink-2);background:var(--tint);border:1px dashed var(--accent);border-radius:var(--r);padding:16px 22px;max-width:100%}
.note--warn{background:#FCF6EA;border-color:var(--warn);color:#6b5013}
.reg-badge{display:inline-flex;align-items:center;gap:10px;font-size:.8rem;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 16px}
.reg-badge .mk{font-family:var(--font-d);font-weight:800;font-size:.78rem;color:#fff;background:var(--brand);border-radius:7px;padding:3px 8px;letter-spacing:.05em}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-d);font-weight:600;font-size:.95rem;padding:12px 22px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;text-decoration:none;line-height:1}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-deep);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--tint)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--tint)}
.btn-outline-w{border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline-w:hover{background:rgba(255,255,255,.1)}
.btn-lg{padding:15px 28px;font-size:1.02rem}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ---- Header / nav ---- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-logo{height:30px;width:auto}
.nav-links{display:flex;gap:22px;list-style:none;font-weight:600;font-size:.92rem}
.nav-links a{color:var(--ink-2)}
.nav-links a:hover{color:var(--brand);text-decoration:none}
.nav-links a.active{color:var(--brand);box-shadow:inset 0 -2px 0 var(--brand)}
.nav-right{display:flex;align-items:center;gap:10px}
.lang-switch{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px;font:600 .82rem var(--font-b);color:var(--ink-2);cursor:pointer}
.lang-btn:hover{border-color:var(--brand);color:var(--brand)}
.lang-btn .globe{width:15px;height:15px}
.lang-btn .chev{width:13px;height:13px;transition:transform .15s}
.lang-switch.open .chev{transform:rotate(180deg)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);width:210px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:10px;z-index:70}
.lang-menu .lang-group{font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:8px 10px 4px}
.lang-menu a,.lang-menu .lang-soon{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-radius:9px;font-size:.9rem;color:var(--ink-2)}
.lang-menu a:hover{background:var(--tint);text-decoration:none}
.lang-menu a.is-active{color:var(--brand);font-weight:700}
.lang-menu .code{font:700 .72rem var(--font-d);color:var(--brand)}
.lang-menu .soon{font-size:.68rem;font-weight:700;color:var(--muted);background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:2px 9px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:#fff;border:1px solid var(--line);border-radius:12px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:0 auto;border-radius:2px;transition:.2s}
.nav-cta{padding:9px 18px;font-size:.88rem;flex-shrink:0;white-space:nowrap}
.nav-portal-mobile{display:none}

/* ---- Page hero (subpages) ---- */
.page-hero{background:linear-gradient(180deg,#fff 0%,var(--tint) 100%);border-bottom:1px solid var(--line);padding:64px 0 60px}
.breadcrumb{font-size:.82rem;font-weight:600;color:var(--muted);margin-bottom:22px}
.breadcrumb a{color:var(--brand)}
.page-hero h1{font-size:clamp(2rem,4vw,3rem);max-width:22ch}
.page-hero .lead{margin-top:16px}

/* ---- Cards / grids ---- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-sm)}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}
.card .icon{width:46px;height:46px;border-radius:13px;background:var(--tint);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--brand)}
.card .icon svg{width:22px;height:22px;stroke:currentColor}
.card-link{font-family:var(--font-d);font-weight:600;font-size:.88rem;color:var(--brand)}
.pill{display:inline-block;font-family:var(--font-d);font-weight:700;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;background:var(--tint);color:var(--brand);border:1px solid var(--tint-2);border-radius:999px;padding:5px 13px;margin-bottom:12px}
.pill--ok{background:#E9F6F0;border-color:#CDE9DC;color:var(--ok)}
.checklist{list-style:none}
.checklist li{padding:7px 0 7px 32px;position:relative;color:var(--ink-2)}
.checklist li::before{content:"";position:absolute;left:2px;top:13px;width:16px;height:16px;border-radius:50%;background:var(--tint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E5FA8' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/10px no-repeat}

/* ---- Feature rows (alternating) ---- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:34px 0}
.feature+.feature{border-top:1px dashed var(--line)}
.feature.flip .feature-vis{order:2}
.feature-vis{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-sm)}
.feature-vis img{border-radius:12px;width:100%}
.feature-vis svg{width:100%;height:auto}
.feature h3{font-size:1.45rem;margin:6px 0 10px}
.feature ul{list-style:none;margin:14px 0 4px}
.feature li{padding:6px 0 6px 24px;position:relative;color:var(--ink-2)}
.feature li::before{content:"";position:absolute;left:2px;top:13px;width:8px;height:8px;border-radius:3px;background:var(--accent)}

/* ---- Stats band ---- */
.stats-band{background:linear-gradient(120deg,var(--navy) 0%,#0D4478 100%);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;padding:52px 0}
.stats-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.stat{text-align:left;padding-left:22px;border-left:2px solid rgba(31,169,208,.55)}
.stat .n{font-family:var(--font-d);font-weight:800;font-size:clamp(1.6rem,2.6vw,2.2rem);color:#fff}
.stat .n em{font-style:normal;color:var(--accent)}
.stat .l{font-size:.82rem;color:#A9C4DA;margin-top:4px;line-height:1.45}

/* ---- Product line cards ---- */
.lines-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.line-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:.2s;overflow:hidden}
.line-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);text-decoration:none}
.line-card::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--c)}
.line-card .series{font-family:var(--font-d);font-weight:700;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c)}
.line-card h3{font-size:1.28rem;margin:8px 0 4px}
.line-card .for{font-size:.86rem;font-weight:600;color:var(--c);margin-bottom:10px}
.line-card p{font-size:.9rem;color:var(--muted);margin-bottom:16px}
.mods{list-style:none;margin-bottom:20px;flex:1}
.mods li{font-size:.83rem;color:var(--ink-2);padding:5px 0 5px 22px;position:relative}
.mods li::before{content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:3px;background:var(--c);opacity:.85}
.line-card .go{font-family:var(--font-d);font-weight:600;font-size:.85rem;color:var(--c)}
.tier-chips{display:flex;gap:6px;flex-wrap:wrap;margin:2px 0 14px}
.tier-chips span{font-family:var(--font-d);font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--tint);color:var(--brand);border:1px solid var(--tint-2)}

/* ---- Tier table ---- */
.tier-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow-sm)}
table.tiers{width:100%;border-collapse:collapse;min-width:760px}
.tiers th,.tiers td{padding:16px 22px;text-align:left;font-size:.92rem;border-bottom:1px solid var(--line)}
.tiers thead th{font-family:var(--font-d);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--bg-soft);border-bottom:2px solid var(--line)}
.tiers thead th.hl{color:var(--brand);position:relative}
.tiers thead th.hl::after{content:"MOST ADVANCED";position:absolute;top:50%;right:12px;transform:translateY(-50%);font-size:.56rem;letter-spacing:.12em;font-family:var(--font-d);font-weight:700;color:#fff;background:var(--brand);padding:3px 8px;border-radius:999px}
.tiers tbody th{font-weight:600;color:var(--ink-2);font-size:.86rem;width:230px}
.tiers td.hl{background:var(--tint)}
.tiers tr:last-child td,.tiers tr:last-child th{border-bottom:none}

/* ---- Platform tabs ---- */
.platform{display:grid;grid-template-columns:370px 1fr;gap:44px;align-items:start;min-width:0}
.ptabs{display:flex;flex-direction:column;gap:10px;min-width:0}
.ptab{display:flex;gap:14px;padding:18px;border-radius:14px;border:1px solid var(--line);background:#fff;cursor:pointer;text-align:left;transition:.15s;font-family:var(--font-b);max-width:100%}
.ptab .code{font-family:var(--font-d);font-weight:700;font-size:.72rem;color:#fff;background:var(--brand);border-radius:8px;padding:5px 9px;height:fit-content;letter-spacing:.04em}
.ptab b{font-family:var(--font-d);font-size:.98rem;display:block;margin-bottom:2px}
.ptab span{font-size:.8rem;color:var(--muted);line-height:1.45;display:block}
.ptab.active{border-color:var(--brand);background:var(--tint);box-shadow:var(--shadow-sm)}
.ptab.active .code{background:var(--navy)}
.pview{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;min-height:460px;min-width:0}
.pview .shot{display:none;height:100%;min-height:460px}
.pview .shot.active{display:block}
.pview img{width:100%;height:auto;max-height:720px;object-fit:contain;object-position:top center}
.pview .cap{position:absolute;left:14px;bottom:14px;background:rgba(10,46,82,.88);color:#fff;font-size:.78rem;font-weight:600;padding:8px 14px;border-radius:999px}
.feature-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.fp{display:flex;gap:10px;font-size:.86rem;color:var(--ink-2);align-items:flex-start}
.fp svg{width:17px;height:17px;flex-shrink:0;margin-top:3px}

/* ---- Material ---- */
.material{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.mat-visual{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-sm)}
.mat-visual img{border-radius:12px}
.mat-visual figcaption{font-size:.78rem;color:var(--muted);text-align:center;margin-top:12px}
.chart-card{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-sm)}
.chart-card h4{font-size:.95rem;margin-bottom:4px}
.chart-card .sub{font-size:.78rem;color:var(--muted);margin-bottom:14px}
.mat-points{list-style:none;margin-top:22px}
.mat-points li{display:flex;gap:14px;padding:13px 0;border-top:1px dashed var(--line)}
.mat-points li:first-child{border-top:none}
.mat-points .ico{width:40px;height:40px;border-radius:12px;background:var(--tint);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.mat-points .ico svg{width:20px;height:20px;stroke:var(--brand)}

/* ---- Solutions ---- */
.sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sol{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;transition:.15s;display:block;color:var(--ink)}
.sol .sol-vis{width:100%;height:130px;display:flex;align-items:center;justify-content:center;margin:-2px 0 14px}
.sol .sol-vis img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.sol b{margin-top:0}
.sol:hover{border-color:var(--accent);box-shadow:var(--shadow-sm);text-decoration:none}
.sol .m{font-family:var(--font-d);font-weight:700;font-size:.74rem;color:var(--brand);background:var(--tint);border-radius:7px;padding:3px 8px;display:inline-block;margin-bottom:10px}
.sol b{font-size:.92rem;font-family:var(--font-d);display:block;line-height:1.35;font-weight:700}
.sol-note{margin-top:26px;display:flex;align-items:center;gap:14px;background:var(--tint);border:1px dashed var(--accent);border-radius:var(--r);padding:16px 22px;font-size:.9rem;color:var(--ink-2)}
.sol-note svg{width:22px;height:22px;flex-shrink:0;stroke:var(--brand)}

/* ---- Timeline ---- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tl{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;position:relative}
.tl::before{content:"";position:absolute;top:0;left:24px;right:24px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--tint-2))}
.tl .y{font-family:var(--font-d);font-weight:800;font-size:1.4rem;color:var(--brand);margin-bottom:10px}
.tl ul{list-style:none}
.tl li{font-size:.86rem;color:var(--ink-2);padding:4px 0 4px 18px;position:relative}
.tl li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:2px;background:var(--accent)}

/* ---- Steps ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;position:relative;box-shadow:var(--shadow-sm)}
.step .idx{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-family:var(--font-d);font-weight:800;font-size:1.05rem;background:var(--tint);color:var(--brand);margin-bottom:16px}
.step h4{font-size:1.05rem;margin-bottom:6px}
.step p{font-size:.88rem;color:var(--muted);margin:0}
.step .arr{position:absolute;right:-15px;top:50%;transform:translateY(-50%);font-size:1.2rem;color:var(--accent);z-index:2}
.step:last-child .arr{display:none}

/* ---- FAQ ---- */
.faq{display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 22px}
.faq summary{font-family:var(--font-d);font-weight:600;font-size:1rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--accent);font-weight:700;flex-shrink:0}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:12px 0 0;color:var(--ink-2);font-size:.93rem}

/* ---- Forms ---- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:20px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-weight:700;font-size:.85rem;color:var(--ink-2)}
.field input,.field textarea,.field select{font:500 .95rem var(--font-b);color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:12px 15px;transition:border-color .15s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,95,168,.1)}
.field textarea{min-height:130px;resize:vertical}

/* ---- News / posts ---- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:.2s}
.post:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.post-media{display:block;overflow:hidden;background:var(--tint);aspect-ratio:16/9}
.post-media img{width:100%;height:100%;object-fit:cover;display:block}
.post-media svg{width:100%;height:100%;display:block}

/* ---- Technology: anatomical guardrails figures ---- */
.guardrails{display:grid;grid-template-columns:1.05fr 1fr;grid-template-rows:auto auto;gap:20px;align-items:stretch}
.guardrails .guardrails-main{grid-row:1/3;display:flex;flex-direction:column}
.guardrails figure{margin:0}
.guardrails .guardrails-main img{flex:1;min-height:0;object-fit:contain}
.post-body{padding:22px;flex:1;display:flex;flex-direction:column}
.post-cat{font-family:var(--font-d);font-weight:700;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:8px}
.post-body h3{font-size:1.05rem;line-height:1.35;margin-bottom:8px}
.post-body h3 a{color:var(--ink)}
.post-body h3 a:hover{color:var(--brand);text-decoration:none}
.post-body p{font-size:.88rem;color:var(--muted);flex:1}
.post-meta{display:flex;gap:14px;font-size:.76rem;color:var(--muted);margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}

/* ---- Article pages ---- */
.progress{position:fixed;top:0;left:0;right:0;height:3px;background:var(--brand);transform:scaleX(0);transform-origin:0 50%;z-index:70;pointer-events:none}
.article-hero{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:34px 0 52px}
.article-head{max-width:800px}
.article-head h1{margin:.34em 0 .5em}
.article-meta{display:flex;align-items:center;gap:10px 16px;flex-wrap:wrap;font-size:.87rem;color:var(--muted)}
.article-meta .sep{width:4px;height:4px;border-radius:50%;background:var(--line)}
.article-cover{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);margin:-28px 0 0;background:var(--tint)}
.article-cover svg,.article-cover img{width:100%;height:auto;display:block}
.article{max-width:760px}
.article-hero .breadcrumb{margin-bottom:18px}
.article-hero h1{font-size:clamp(1.7rem,3.4vw,2.5rem);max-width:26ch}
.article-hero .post-meta{border:none;padding:0;margin-top:16px}
.prose{max-width:760px;margin:0 auto;font-size:1.03rem}
.prose h2{font-size:1.55rem;margin:44px 0 14px}
.prose h3{font-size:1.2rem;margin:32px 0 10px}
.prose p{color:var(--ink-2)}
.prose ul,.prose ol{padding-left:24px;color:var(--ink-2);margin-bottom:1em}
.prose li{margin-bottom:6px}
.prose figure{margin:30px 0}
.prose figure img{border-radius:var(--r);border:1px solid var(--line)}
.prose figcaption{font-size:.8rem;color:var(--muted);margin-top:10px;text-align:center}
.prose blockquote{border-left:3px solid var(--accent);background:var(--tint);border-radius:0 12px 12px 0;padding:16px 22px;margin:24px 0;color:var(--ink-2);font-style:italic}
.prose .note{margin:26px 0}
.share{display:flex;gap:10px;align-items:center;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:44px}
.pager a{font-family:var(--font-d);font-weight:600;font-size:.9rem;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 20px;color:var(--brand)}
.pager a:hover{border-color:var(--brand);text-decoration:none}
.rl{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sep{height:1px;background:var(--line);margin:26px 0}
.lbl{font-family:var(--font-d);font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}

/* Article content helpers */
.keypoints{list-style:none;padding:0;margin:0 0 1.4em}
.keypoints li{position:relative;padding:10px 0 10px 30px;border-bottom:1px dashed var(--line);color:var(--ink-2)}
.keypoints li::before{content:"";position:absolute;left:7px;top:20px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.keypoints li:last-child{border-bottom:0}
.callout{background:var(--tint);border:1px solid var(--tint-2);border-left:3px solid var(--brand);border-radius:var(--r);padding:20px 24px;margin:30px 0}
.callout h4{font-size:1rem;margin-bottom:6px;color:var(--navy)}
.callout p:last-child,.callout ul:last-child{margin-bottom:0}
.block-num{counter-reset:bn;list-style:none;padding:0;margin:0 0 1.4em}
.block-num li{counter-increment:bn;position:relative;padding:10px 0 10px 40px;color:var(--ink-2)}
.block-num li::before{content:counter(bn);position:absolute;left:0;top:12px;width:26px;height:26px;border-radius:50%;background:var(--tint);color:var(--brand);font-family:var(--font-d);font-weight:700;font-size:.82rem;display:grid;place-items:center}
.author{display:flex;gap:14px;align-items:center;padding-top:28px;margin-top:44px;border-top:1px solid var(--line)}
.author .av{width:46px;height:46px;border-radius:50%;background:var(--tint);color:var(--brand);display:grid;place-items:center;font-family:var(--font-d);font-weight:800;flex-shrink:0}
.author .nm{font-family:var(--font-d);font-weight:700}
.author .rl{font-size:.86rem;color:var(--muted)}
.share a,.share button{border:1.5px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.82rem;font-weight:600;color:var(--ink-2);background:none;cursor:pointer;font-family:var(--font-b)}
.share a:hover,.share button:hover{border-color:var(--brand);color:var(--brand);background:var(--tint);text-decoration:none}

/* ---- Footer ---- */
.site-footer{background:#071F38;color:#8FA9BE;font-size:.88rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding:56px 0 40px}
.footer-grid h4{color:#fff;font-family:var(--font-d);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.footer-brand{margin-bottom:6px}
.footer-logo{height:26px;width:auto}
.footer-grid a{color:#8FA9BE;display:block;padding:4px 0}
.footer-grid a:hover{color:#fff;text-decoration:none}
.footer-grid p{margin-top:12px;max-width:36ch}
.footer-disclaimer{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:.74rem;line-height:1.6;color:#6E8AA1}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;padding:16px 0;border-top:1px solid rgba(255,255,255,.1);font-size:.78rem;flex-wrap:wrap}
.footer-legal a{color:rgba(255,255,255,.75);text-decoration:none}
.footer-legal a:hover{color:#fff;text-decoration:underline}

/* ---- Home hero ---- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,var(--tint) 62%,#FFFFFF 100%)}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(720px 420px at 88% 8%,rgba(31,169,208,.14),transparent 65%),
  radial-gradient(560px 380px at 4% 90%,rgba(14,95,168,.09),transparent 60%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center;padding:84px 0 64px}
.hero h1{font-size:clamp(2.3rem,4.6vw,3.55rem);font-weight:800;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero h1 em svg{position:absolute;left:0;bottom:-6px;width:100%;height:12px}
.hero .lead{margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-meta{display:flex;gap:22px;color:var(--muted);font-size:.9rem;font-weight:600;flex-wrap:wrap}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{width:15px;height:15px;stroke:var(--accent)}
.hero-visual{position:relative}
.hero-visual .frame{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
.hero .hero-visual .frame{padding:30px}
.hero-visual .frame img{width:100%;height:auto;object-fit:contain}
.float-chip{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:12px 16px;font-size:.8rem;font-weight:700;font-family:var(--font-d);display:flex;align-items:center;gap:10px}
.float-chip small{display:block;font-family:var(--font-b);font-weight:500;color:var(--muted);font-size:.72rem}
.float-chip .dot{width:9px;height:9px;border-radius:50%;background:var(--teen1);box-shadow:0 0 0 4px rgba(35,176,155,.18)}
.fc-1{top:-16px;left:-14px}
.fc-2{bottom:-16px;right:-10px}
.pillars{position:relative;border-top:1px solid var(--line);background:rgba(255,255,255,.7);backdrop-filter:blur(6px)}
.pillars-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:26px 0}
.pillar{display:flex;align-items:center;gap:14px;padding:10px 26px;border-left:1px solid var(--line)}
.pillar:first-child{border-left:none;padding-left:0}
.pillar svg{width:30px;height:30px;flex-shrink:0}
.pillar b{font-family:var(--font-d);font-size:.92rem;display:block}
.pillar span{font-size:.78rem;color:var(--muted)}

/* ---- CTA ---- */
.cta-band{text-align:center}
.cta-band .lead{color:#B9CFE2;margin-inline:auto}
.cta-band .hero-cta{justify-content:center;margin-top:30px}

/* ---- Responsive ---- */
@media (max-width:1080px){
  .nav-toggle{display:flex}
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:10px 24px 18px;box-shadow:var(--shadow)}
  .nav.open .nav-links{display:flex}
  .nav-links a{display:block;padding:12px 4px;border-bottom:1px dashed var(--line)}
  .nav-links li:last-child a{border-bottom:none}
  .nav-links a.active{box-shadow:none}
  .nav-cta{display:none}
  .nav-portal-mobile{display:block;margin-top:12px}
  .nav-portal-mobile a{display:block;text-align:center;background:var(--brand);color:#fff;border:none;border-radius:999px;padding:13px 4px;font-family:var(--font-d);font-weight:600;font-size:.95rem}
  .hero-grid{grid-template-columns:1fr;padding-top:56px}
  .lines-grid{grid-template-columns:1fr 1fr}
  .platform{grid-template-columns:1fr}
  .material{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:1fr 1fr}
  .post-grid,.rl{grid-template-columns:1fr 1fr}
  .stats-grid,.stats-grid.cols-4{grid-template-columns:repeat(2,1fr);row-gap:34px}
  .pillars-grid{grid-template-columns:1fr 1fr;gap:14px}
  .pillar{border-left:none;padding:0}
  .timeline{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step .arr{display:none}
  .foot-grid,.footer-grid{grid-template-columns:1fr 1fr}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .feature{grid-template-columns:1fr;gap:26px}
  .feature.flip .feature-vis{order:0}
}
@media (max-width:620px){
  .sol-grid,.lines-grid,.post-grid,.rl,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .guardrails{grid-template-columns:1fr;grid-template-rows:auto}
  .guardrails .guardrails-main{grid-row:auto}
  .stats-grid,.stats-grid.cols-4{grid-template-columns:1fr}
  .timeline,.steps{grid-template-columns:1fr}
  .feature-points{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .pillars-grid{grid-template-columns:1fr}
  .foot-grid,.footer-grid{grid-template-columns:1fr}
  .pager{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}