:root{
  --paper:#FFFFFF; --ink:#0A1A2F; --cinnabar:#B91C1C; --ochre:#B45309; --teal:#00745F;
  --grey-1:#5F7388; --grey-2:#5B6B7E; --grey-3:#E4E9F0; --grey-4:#EDF1F6;
  --surface:#FFFFFF; --warn-bg:rgba(180,35,24,.08); --warn-bg-strong:rgba(180,35,24,.12);
  --ok-bg:rgba(31,111,84,.08); --run-bg:rgba(140,133,122,.10);
  --text-display:40px; --text-h1:32px; --text-h2:26px; --text-h3:20px; --text-body:16px; --text-sm:14px; --text-xs:12.5px;
  --lh-cjk:1.85; --lh-latin:1.6; --lh-tight:1.3;
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px;
  --radius-l:2px; --radius-m:2px; --radius-s:0px;

  --serif:"SpecReady Serif","Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --latin:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
@font-face{font-family:"SpecReady Serif";src:url("/static/noto-serif-sc-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
a{text-decoration:none}
#diagnose{scroll-margin-top:84px}
.v4-num{font-family:var(--mono);font-size:14px;font-weight:600;letter-spacing:.1em;color:#B45309}
.req{display:inline-block;width:6px;height:6px;border-radius:50%;background:#B91C1C;margin-left:6px;vertical-align:2px}
input[type=checkbox],input[type=radio]{width:16px;height:16px;min-height:0;padding:0;margin:3px 0 0;flex:none;accent-color:#0A1A2F}
html,body{margin:0;color:var(--ink);line-height:1.75;font-size:16px;font-family:var(--sans);-webkit-font-smoothing:antialiased;background:#FAFBFC}
body{margin:0;color:var(--ink);line-height:1.75;font-size:16px;font-family:var(--sans);-webkit-font-smoothing:antialiased;
background:
radial-gradient(1000px 560px at 80% -6%, rgba(15,17,21,.06), transparent 64%),
radial-gradient(760px 440px at 4% 30%, rgba(15,17,21,.035), transparent 62%),
#FAFBFC}
h1,h2{font-family:var(--serif);letter-spacing:0;font-weight:800}
h1{font-size:clamp(26px,3.2vw,40px);line-height:1.3;margin:14px 0 0}
h2{font-size:clamp(20px,2.4vw,28px);line-height:1.35;margin:0}
h3{font-size:16px;font-weight:600;margin:0}
.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.72);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .18s ease,border-color .18s ease}
.nav.scrolled{background:rgba(10,26,47,.94);border-bottom:1px solid rgba(255,255,255,.12)}
.nav.scrolled .brand,.nav.scrolled .brand span{color:#fff}
.nav.scrolled .brand span span{color:#FF6B6B!important}
.nav.scrolled .nav-links a{color:#C9D1DB}
.nav.scrolled .nav-links a:hover{color:#5FE0C5}
.nav.scrolled .nav-toggle{color:#fff;border-color:rgba(255,255,255,.3)}
.nav.open .nav-links{background:#fff!important}
.nav.open .nav-links a{color:#3A4A5E!important}
.nav.open .nav-links a:hover{color:#00745F!important}
.nav.scrolled .nav-in{height:56px}
.nav.scrolled .brand{font-size:16px}
.nav-in{max-width:1080px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;transition:height .2s ease}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--sans);font-weight:800;font-size:17px;letter-spacing:-.025em;text-decoration:none;color:var(--ink)}
.nav-links{display:flex;gap:22px;font-size:14px}
.nav-links a{color:var(--grey-2);text-decoration:none}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink);font-weight:600;border-bottom:2px solid #00745F;padding-bottom:2px}
.nav.scrolled .nav-links a.active{color:#fff;border-bottom-color:#5FE0C5}
.nav.open .nav-links a.active{color:#0A1A2F!important;border-bottom-color:#00745F}
.nav-toggle{display:none;background:transparent;border:1px solid var(--grey-3);border-radius:8px;
  width:44px;height:44px;font-size:18px;line-height:1;color:var(--ink);cursor:pointer;padding:0}
@media(max-width:760px){
  .foot-title{font-size:12px}
  .foot-col a{padding:5px 0}
  table th,table td{font-size:12.5px}
  .badge-sample{font-size:12px}
  .price-table td,.price-table th{padding:11px 8px}
}
@media(max-width:720px){
  .nav-toggle{display:block}
  .card:has(table){;-webkit-overflow-scrolling:touch}
  .nav.open .nav-links{display:flex;flex-direction:column;gap:14px;position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid #E4E9F0;
    padding:16px 20px;font-size:15px;z-index:60}
}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px;width:100%}
.wrap-form{max-width:720px;margin:0 auto;padding:40px 24px 80px;width:100%}
.wrap-narrow{max-width:1000px;margin:0 auto;padding:40px 24px 80px;width:100%}
.hero{position:relative;min-height:640px;display:flex;align-items:flex-start;overflow:hidden;padding:56px 0 48px;background:transparent}
.hero-grid{display:none}
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}

.sub{color:var(--grey-2);font-size:16.5px;margin:16px 0 0;max-width:38ch}
.trust{display:flex;gap:16px;flex-wrap:wrap;margin-top:16px;font-size:12.5px;color:var(--grey-1)}
.form-card{background:#fff;border:1px solid #E4E9F0;border-radius:14px;padding:22px}
label{display:block;font-weight:600;font-size:13px;margin:14px 0 6px}
input,select{width:100%;max-width:100%;height:48px;padding:0 12px;border:1px solid var(--grey-3);border-radius:8px;font-size:16px;font-family:var(--sans);color:var(--ink);background:var(--surface)}
input[type=checkbox]{width:auto;height:auto;margin-top:4px;accent-color:var(--cinnabar)}
input:focus,select:focus,button:focus-visible,a:hover{text-decoration:none}
a:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-color:var(--ink)}
.search-field{padding-left:44px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238C857A' stroke-width='2'><circle cx='11' cy='11' r='7'/><path d='M20 20l-3.5-3.5'/></svg>");background-repeat:no-repeat;background-position:16px center}
.field-note{font-family:var(--mono);font-size:12px;color:var(--grey-1);margin:6px 0 0}
button{margin-top:18px;width:100%;height:48px;border:0;border-radius:8px;background:var(--ink);color:#fff;font-weight:600;font-size:16px;cursor:pointer}
button:disabled{opacity:.55}
.hint{color:var(--grey-1);font-size:12.5px;margin:8px 0 0}
.err{background:var(--warn-bg);border:1px solid rgba(180,35,24,.3);color:var(--cinnabar);border-radius:var(--radius-m);padding:10px 12px;font-size:13px;margin-bottom:12px}
.ok{background:var(--ok-bg);border:1px solid rgba(31,111,84,.3);color:var(--teal);border-radius:var(--radius-m);padding:10px 12px;font-size:13px;margin-bottom:12px}
.card{background:var(--surface);border:1px solid #E4E9F0;border-radius:12px;padding:24px;margin-bottom:16px}
.hero-score{display:flex;gap:32px;align-items:flex-end;flex-wrap:wrap}
.score{font-family:var(--sans);font-size:52px;font-weight:700;line-height:1.05;font-variant-numeric:tabular-nums;color:var(--ink)}
.score small{font-family:var(--mono);font-size:15px;color:var(--grey-1);font-weight:400}
.band{font-size:14px;color:var(--grey-2);margin-top:4px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--grey-4);vertical-align:top;word-break:break-word}
th{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--grey-1);font-weight:600;border-bottom:1px solid var(--grey-3)}
.mono{font-family:var(--mono);font-size:12.5px;color:var(--grey-1)}
.state-low{color:var(--teal);font-weight:600}
.state-mid{color:var(--cinnabar);font-weight:600}
.state-high{color:var(--cinnabar);font-weight:700}
.state-running{color:var(--grey-1);font-weight:500}
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:var(--radius-s);padding:2px 8px;font-size:12.5px}
.pill-low{background:var(--ok-bg);color:var(--teal)}
.pill-mid{background:var(--warn-bg);color:var(--cinnabar)}
.pill-high{background:var(--warn-bg-strong);color:var(--cinnabar);font-weight:700}
.pill-running{background:var(--run-bg);color:var(--grey-1)}
.badge-sample{display:inline-block;background:rgba(139,90,43,.08);color:var(--ochre);border-radius:var(--radius-s);padding:1px 8px;font-size:11.5px}
.badge-real{display:inline-block;background:rgba(31,111,84,.08);color:var(--teal);border-radius:var(--radius-s);padding:1px 8px;font-size:11.5px}
.cta{background:var(--ink);color:var(--paper);border-radius:var(--radius-l);padding:30px}
.cta h2{color:var(--paper)}
.cta p{color:#C9D1DB}
.cta a{color:var(--paper)}
footer{border-top:1px solid var(--grey-3);margin-top:36px;padding:24px 0;color:var(--grey-1);font-size:12.5px}
.foot-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.preview{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;background:var(--surface);border:1px solid var(--grey-3);border-radius:var(--radius-l);padding:32px}
.deliv-preview{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:30px;align-items:center}
.deliv-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media(max-width:820px){.deliv-grid{grid-template-columns:1fr}}
.deliv-thumb{display:block;border:1px solid #E4E9F0;border-radius:10px;overflow:hidden;background:#fff;
  transition:transform .18s ease}
.deliv-thumb:hover{transform:translateY(-2px)}
.deliv-thumb .deliv-shot{aspect-ratio:16/9;border:0;border-radius:0}
.deliv-cap{display:flex;justify-content:space-between;gap:8px;margin:0;padding:7px 12px;font-size:13.5px;color:#0A1A2F}
.deliv-cap span{color:#5F7388;font-size:12px;white-space:nowrap}
@media(max-width:820px){.deliv-preview{grid-template-columns:1fr;gap:18px}}
.deliv-shot{aspect-ratio:4/3;overflow:hidden;border:1px solid #E4E9F0;border-radius:10px;
  ;background:#fff}
.deliv-shot img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}
.deliv-files{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.deliv-files span{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:#5B6B7E;
  border:1px solid #E4E9F0;border-radius:999px;padding:3px 10px;background:#F7F8FA}

.matrix{width:100%;border-collapse:separate;border-spacing:4px}
.matrix td{width:18%;height:36px;border-radius:var(--radius-s);background:var(--grey-4)}
.matrix td.z{background:rgba(180,35,24,.10)}
.matrix td.h{background:rgba(31,111,84,.10)}
.matrix .lab{background:transparent;text-align:left;font-size:11.5px;color:var(--grey-1);width:34%;padding-left:0}
.clist{list-style:none;margin:0;padding:0}
.clist li{display:flex;gap:10px;align-items:flex-start;margin:12px 0;color:var(--grey-2);font-size:14.5px}
.clist .k{flex:0 0 22px;height:22px;border-radius:var(--radius-s);background:var(--grey-4);color:var(--ink);font-family:var(--mono);font-size:11px;display:grid;place-items:center;margin-top:2px}
details{border-bottom:1px solid var(--grey-3);padding:14px 0}
details summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none}
details p{color:var(--grey-2);font-size:14px;margin:10px 0 0}
.report-meta{font-family:var(--mono);font-size:11.5px;color:var(--grey-1);display:flex;gap:6px 20px;
flex-wrap:wrap;border-bottom:1px solid var(--grey-3);padding-bottom:10px;margin-bottom:18px}
.report-meta b{color:var(--ink);font-weight:500}
.num{font-family:var(--mono);font-size:11.5px;color:#5B6B7E;letter-spacing:.08em}
.sheet{border:0;border-top:1px solid var(--grey-3);border-radius:0;background:transparent;padding:18px 0;margin-bottom:0}
.cta-band{background:var(--ink);color:#fff;border-radius:12px;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.cta-band h2{color:var(--paper);font-size:22px}
.btn-solid{display:inline-block;background:var(--ink);color:#fff;padding:13px 22px;border-radius:8px;font-weight:600;text-decoration:none}
.btn-ghost{background:transparent;color:var(--grey-2);border:1px solid var(--grey-3)}
.btn-line{display:inline-block;background:#fff;color:var(--ink);border:1px solid #E4E9F0;padding:13px 22px;border-radius:8px;font-weight:600;text-decoration:none}
.sr-modal{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;
  background:rgba(10,26,47,.38);padding:20px}
.sr-modal-card{background:#fff;border:1px solid #E4E9F0;border-radius:14px;padding:22px 22px 18px;
  width:100%;max-width:380px;
  font-size:14.5px;line-height:1.75;color:#0A1A2F}
.sr-modal-card p{margin:0 0 16px;white-space:pre-wrap}
.sr-modal-card button{background:#0A1A2F;color:#fff;border:0;border-radius:8px;padding:10px 18px;
  font-size:14px;font-weight:600;cursor:pointer;width:100%}
.cta-band .btn{display:inline-block;background:var(--paper);color:var(--ink);padding:12px 20px;border-radius:var(--radius-m);font-weight:600;text-decoration:none;white-space:nowrap}
.foot{background:#0A1A2F;border-top:1px solid #0A1A2F;padding:52px 0 24px;color:#C9D1DB;font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1.9fr 1fr 1fr 1fr;gap:32px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr;gap:26px 18px}.foot-brand{grid-column:1/-1}}
.foot-brand .brand{font-size:20px;color:#fff}
.foot-tag{margin:10px 0 0;color:#7F90A6;font-size:12.5px;line-height:1.85;max-width:26em}
.foot-qr{display:flex;align-items:center;gap:12px;margin:16px 0 0}
.foot-qr img{width:88px;height:88px;border-radius:8px;background:#fff;padding:5px;object-fit:contain}
.foot-qr b{color:#fff;font-size:13px}
.foot-qr span{color:#A9B7C8;font-size:12px}
.foot-title{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:#7F90A6;margin-bottom:8px}
.foot-col a{display:block;color:#C9D1DB;padding:3px 0}
.foot-col a:hover{color:#5FE0C5}
.foot-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:34px;
  padding-top:16px;border-top:1px solid rgba(255,255,255,.12);color:#7F90A6;font-size:12px}
#to-top{position:fixed;right:24px;bottom:22px;width:32px;height:32px;border-radius:50%;
  border:1px solid #E4E9F0;background:rgba(255,255,255,.82);color:#5F7388;font-size:15px;line-height:1;cursor:pointer;
  display:none;z-index:120}
#to-top.show{display:block}
#to-top:hover{color:#0A1A2F;border-color:#C9D1DB}
@media (min-width:900px){
  body.home .faq details{padding:10px 0}
  body.home header.hero{min-height:calc(100vh - 61px);align-items:center}
  body.home .v4-section{min-height:100vh;display:flex;flex-direction:column;justify-content:center}
  body.home .v4-section>.wrap{width:100%}
}
@media(max-width:900px){.hero-in{grid-template-columns:1fr;gap:24px}.preview{grid-template-columns:1fr;padding:24px}}
@media(max-width:720px){.nav-links{display:none}}
@media(max-width:720px){
  .hero-in{grid-template-columns:1fr!important}
  .hero-in>div{min-width:0}
  .form-card{width:100%}
  input,select,button{max-width:100%}
  .mk-grid{grid-template-columns:1fr!important}
  .order-grid{grid-template-columns:1fr!important}
  .card{overflow-x:auto}
  .v4-grid3,.v4-grid4,.archs,.grid2{grid-template-columns:1fr!important}
  h1{font-size:clamp(26px,7vw,34px)!important}
  body{overflow-x:hidden}
}

@media(max-width:640px){.wrap,.wrap-narrow{padding:0 16px}.hero{position:relative;min-height:760px;display:flex;align-items:flex-start;overflow:hidden;padding:72px 0 56px;background:transparent}.form-card,.card{padding:18px}.score{font-size:44px}
.card table{font-size:12.5px}
table th,table td{padding:8px 10px}}

.qzh{display:block;color:#5B6B7E;font-size:12.5px;margin-top:3px;font-weight:400}
.reveal{opacity:0;transform:translateY(18px);
  transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

.opt{font-size:11.5px;color:var(--grey-2);font-weight:400;margin-left:4px}

@media print{
  .nav,.mobile-cta,#to-top,.scroll-hint,.foot,.cta-band{display:none!important}
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  .hero,.v4-section{min-height:auto!important;padding:24px 0!important}
  .hero-in{grid-template-columns:1fr!important}
  body{background:#fff!important}
  a[href]::after{content:""}
}


/* ---- nav / footer: 2026-11 ---- */
.nav-links{align-items:center;gap:20px}
.nav-cta{background:#00745F;color:#fff!important;padding:9px 15px;border-radius:2px;font-weight:700;white-space:nowrap;text-decoration:none}
.nav-cta:hover{background:#005B4B;color:#fff!important}
.nav.scrolled .nav-links .nav-cta{color:#fff!important}
.nav-utility{color:var(--grey-2);text-decoration:none;border-left:1px solid var(--grey-3);padding-left:18px}
.nav.scrolled .nav-utility{color:#C9D1DB;border-color:rgba(255,255,255,.18)}
.nav-backdrop{display:none;position:fixed;top:var(--nav-h,60px);right:0;bottom:0;left:0;background:rgba(10,26,47,.34);z-index:20}
.nav.open .nav-backdrop{display:block}
body.menu-open{overflow:hidden!important}
body.menu-open .mobile-cta,body.menu-open #to-top{display:none!important}
@media(max-width:720px){
  .nav-links .nav-cta{order:-1;width:100%;text-align:center;display:block;box-sizing:border-box;padding:12px 16px;margin-bottom:4px}
  .nav-links .nav-utility{order:10;width:100%;border-left:0;border-top:1px solid #E4E9F0;padding:12px 0 0;margin-top:4px;color:#3A4A5E!important}
  .nav.open .nav-links .nav-cta{color:#fff!important;border-bottom:0}
  .nav.open .nav-links .nav-utility{color:#3A4A5E!important}
}
@media(max-width:760px){
  .foot-grid > .foot-col:last-child{grid-column:1/-1}
  .foot-col a{padding:8px 0}
}
.foot-bottom a{color:#C9D1DB;text-decoration:none}
.foot-bottom a:hover{color:#fff;text-decoration:none}

@media(max-width:720px){
  .nav.open .nav-links{align-items:stretch;text-align:left}
  .nav.open .nav-links a{display:block;text-align:left}
  .nav.open .nav-links .nav-cta{text-align:center}
}

@media(max-width:720px){
  .nav.open .nav-links a{padding:8px 0}
  .nav.open .nav-links .nav-cta{padding:12px 16px}
}

[id]{scroll-margin-top:78px}