:root{--bg:#f5f7f8;--panel:#fff;--text:#172026;--muted:#60717c;--line:#dfe6e9;--good:#166534;--good-bg:#edf8f0;--warn:#92400e;--warn-bg:#fff7e6;--danger:#991b1b;--danger-bg:#fff0f0;--accent:#0f5966;--shadow:0 10px 30px rgba(20,38,46,.06);--radius:18px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}.shell{width:min(1120px,calc(100% - 32px));margin-inline:auto}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{text-decoration:none;font-weight:750;display:flex;gap:10px;align-items:center}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#e7f3f5;color:var(--accent)}.header-search{font-size:14px;color:var(--accent);font-weight:650}
.breadcrumbs{padding:24px 0 12px;display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;white-space:nowrap;overflow:auto}.breadcrumbs a{text-decoration:none}
.hero-card,.section,.cta-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:34px;margin-top:10px;border-top-width:5px}.tone-positive{border-top-color:#2f855a}.tone-warning{border-top-color:#d97706}.tone-negative{border-top-color:#dc2626}.tone-neutral{border-top-color:#64748b}
.hero-topline{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.verdict-badge,.state-pill,.chip{border-radius:999px;padding:5px 10px;font-size:12px;font-weight:750}.tone-positive .verdict-badge{background:var(--good-bg);color:var(--good)}.tone-warning .verdict-badge{background:var(--warn-bg);color:var(--warn)}.tone-negative .verdict-badge{background:var(--danger-bg);color:var(--danger)}.verification{font-size:12px;color:var(--muted)}
h1{font-size:clamp(30px,5vw,48px);line-height:1.08;letter-spacing:-.035em;margin:18px 0 14px;max-width:920px}h2{font-size:27px;line-height:1.15;letter-spacing:-.02em;margin:4px 0 0}h3{font-size:17px;margin-top:0}.hero-summary{font-size:18px;color:#4b5d66;max-width:860px;margin:0}
.pair-grid{display:grid;grid-template-columns:1fr 44px 1fr;gap:14px;align-items:stretch;margin-top:30px}.device-card{padding:20px;border:1px solid var(--line);border-radius:14px;background:#fbfcfc}.pair-connector{display:grid;place-items:center;font-size:25px;color:#81919a}.eyebrow{text-transform:uppercase;letter-spacing:.11em;font-weight:800;font-size:11px;color:#71838c}.device-brand{font-size:14px;color:var(--muted);margin-top:8px}.device-model{font-size:21px;font-weight:780;margin-top:2px;word-break:break-word}.chip-row{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}.chip{background:#eef2f4;color:#45545d}
.section{padding:28px;margin-top:20px}.section-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:20px}.state-pill{background:#eef2f4;color:#4c5b64;white-space:nowrap}.alert{padding:18px 20px;border-radius:14px;border:1px solid;margin-bottom:12px}.alert:last-child{margin-bottom:0}.alert-title{font-weight:800}.alert p{margin:5px 0 0}.alert-critical{background:var(--danger-bg);border-color:#fecaca;color:#7f1d1d}.alert-high{background:#fff7ed;border-color:#fed7aa;color:#9a3412}.alert-medium{background:#f8fafc;border-color:#cbd5e1;color:#334155}
.method-grid,.fact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.method-card,.fact-card{border:1px solid var(--line);border-radius:14px;padding:20px}.method-conflict{background:#fffaf0;border-color:#f4c278}.method-protocol{font-size:20px;font-weight:850}.method-card dl{margin:14px 0}.method-card dl div{display:flex;justify-content:space-between;gap:18px;padding:9px 0;border-top:1px solid var(--line)}dt{color:var(--muted);font-size:13px}dd{margin:0;font-weight:700;text-align:right}.method-status,.fact-source{font-size:12px;color:var(--muted)}.notice,.empty-state{margin-top:16px;background:#f7fafb;border-radius:12px;padding:15px 17px;color:#4c5d66}.fact-type{font-weight:800;color:#9a3412}.fact-card p{font-size:17px;margin:8px 0 14px}
.boundary-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.boundary-card{border:1px solid var(--line);border-radius:14px;padding:20px}.boundary-card.muted{background:#f9fbfb}.boundary-card ul{margin:8px 0 0;padding-left:20px}.boundary-card li+li{margin-top:7px}
.source-summary{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.source-summary>div{display:flex;gap:8px;flex-wrap:wrap;border:1px solid var(--line);border-radius:10px;padding:9px 11px;font-size:13px}.source-summary span{color:var(--muted)}details{border-top:1px solid var(--line);padding-top:14px}summary{cursor:pointer;font-weight:700}.evidence-list{display:grid;gap:12px;margin-top:14px}.evidence-list article{background:#f7f9fa;border-radius:10px;padding:14px}.evidence-meta{font-size:12px;color:var(--muted);margin-bottom:7px}.evidence-list code{white-space:pre-wrap;word-break:break-word;font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace}
.cta-card{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:30px;margin-top:20px}.cta-card p{color:var(--muted);max-width:700px}.button{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;border-radius:12px;padding:12px 16px;font-weight:750;white-space:nowrap}.disclaimer{margin-top:20px;padding:18px 4px 36px;color:#61727b;font-size:13px}.site-footer{border-top:1px solid var(--line);background:#fff}.site-footer .shell{min-height:70px;display:flex;justify-content:space-between;align-items:center;gap:20px;color:#6a7b84;font-size:12px}
@media(max-width:720px){.shell{width:min(100% - 20px,1120px)}.header-inner{height:60px}.brand span:last-child{display:none}.hero-card{padding:22px}.section{padding:20px}.pair-grid{grid-template-columns:1fr}.pair-connector{height:28px}.method-grid,.fact-grid,.boundary-grid{grid-template-columns:1fr}.section-heading{display:block}.state-pill{display:inline-block;margin-top:10px}.cta-card{display:block}.button{margin-top:10px}.site-footer .shell{display:block;padding:20px 0}.site-footer span{display:block}.site-footer span+span{margin-top:5px}}

/* V1.1 UX hierarchy */
.quick-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:26px}.quick-item{background:#fff;padding:14px 16px;min-width:0}.quick-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:800;margin-bottom:4px}.quick-item strong{font-size:14px;line-height:1.3;display:block;word-break:break-word}.priority-zone{margin-top:16px}.priority-zone .alert{box-shadow:0 4px 14px rgba(20,38,46,.04)}.alert-source{font-size:12px;opacity:.72;margin-top:6px}.section-intro{margin:7px 0 0;color:var(--muted);font-size:14px;max-width:720px}.method-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.setup-code{text-align:right}.setup-code span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.07em;font-weight:700}.setup-code strong{font-size:28px;line-height:1}.method-source{font-size:12px;color:var(--muted);margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}.interpretation-note{margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;color:#4b5d66}.interpretation-note details{border:0;padding:0}.interpretation-note summary{color:var(--text)}.interpretation-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:15px}.interpretation-grid ul{margin:8px 0 0;padding-left:19px}.interpretation-grid li+li{margin-top:6px}
@media(max-width:860px){.quick-strip{grid-template-columns:1fr 1fr}}@media(max-width:560px){.quick-strip{grid-template-columns:1fr}.method-head{align-items:center}.interpretation-grid{grid-template-columns:1fr}}