/* =============================================================================
   MWR design system — the ONLY stylesheet for the site (G8, <=60KB, zero deps)
   Sections:
     1 Tokens / reset / base     2 Layout & sections     3 Typography & prose
     4 Buttons / badges / pills  5 Header & navigation   6 Hero & breadcrumb
     7 Cards / chips / search    8 Forms                 9 Results / risk bands
    10 Check-list / timer / table 11 FAQ / trust / misc  12 Footer
    13 Language visibility       14 Responsive           15 Print
   ============================================================================= */

/* ------------------------------- 1. Tokens -------------------------------- */
:root{
  --ink:#1e3a5f;
  --ink-deep:#0f1f33;
  --orange:#f97316;
  --orange-dark:#ea650a;
  --orange-soft:#fff3e8;
  --bg:#f8fafc;
  --surface:#ffffff;
  --text:#1f2937;
  --muted:#64748b;
  --line:#e2e8f0;
  --risk-low:#16a34a;
  --risk-mod:#eab308;
  --risk-high:#f97316;
  --risk-severe:#dc2626;
  --risk-extreme:#991b1b;
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:18px;
  --shadow:0 2px 10px rgba(15,31,51,.07);
  --shadow-md:0 8px 24px rgba(15,31,51,.12);
  --shadow-lg:0 18px 44px rgba(15,31,51,.18);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --header-h:64px;
  --maxw:1120px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.65;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--orange-dark)}
h1,h2,h3,h4,h5,h6{margin:0 0 .5em;line-height:1.25;color:var(--ink-deep);font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin-bottom:.35em}
figure{margin:0 0 1em}
figcaption{font-size:.875rem;color:var(--muted);margin-top:.4em}
button{font-family:inherit;font-size:1rem;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:1rem;color:var(--text)}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
:focus-visible{outline:3px solid rgba(249,115,22,.55);outline-offset:2px;border-radius:4px}
::selection{background:rgba(249,115,22,.25)}
.hidden{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* --------------------------- 2. Layout & sections ------------------------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
main{display:block;min-height:50vh;padding-bottom:2rem}
.section{padding:3rem 0}
.section+.section{padding-top:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:1.6rem;flex-wrap:wrap}
.section-title{font-size:clamp(1.4rem,3.2vw,1.9rem);margin:0}
.section-sub{color:var(--muted);margin:.35rem 0 0;font-size:1rem;max-width:640px}
.section-head .view-all{white-space:nowrap;font-weight:600;color:var(--orange-dark);min-height:44px;display:inline-flex;align-items:center}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stack{display:flex;flex-direction:column;gap:16px}
.mt-0{margin-top:0}.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}
.mb-0{margin-bottom:0}
.text-center{text-align:center}
.muted{color:var(--muted)}

/* ------------------------- 3. Typography & .prose ------------------------- */
.page-title{font-size:clamp(1.6rem,4vw,2.3rem);margin:.2em 0 .35em}
.lead{font-size:1.08rem;color:var(--muted);max-width:760px}
.prose{max-width:760px;margin:0 auto;font-size:1.02rem;line-height:1.8;color:#27364a}
.prose h2{font-size:1.45rem;margin:1.8em 0 .6em;padding-top:.4em}
.prose h3{font-size:1.18rem;margin:1.5em 0 .5em}
.prose h4{font-size:1.05rem;margin:1.3em 0 .4em}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.5em}
.prose li{margin-bottom:.5em}
.prose ul li::marker{color:var(--orange)}
.prose ol li::marker{color:var(--ink);font-weight:700}
.prose a{color:var(--orange-dark);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--ink-deep);font-weight:700}
.prose blockquote{
  margin:1.4em 0;padding:.9em 1.2em;border-left:4px solid var(--orange);
  background:var(--orange-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#5a3a1c;font-style:normal;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Consolas,Menlo,monospace;font-size:.9em;
  background:#eef2f7;padding:.15em .4em;border-radius:6px;
}
.prose pre{background:var(--ink-deep);color:#e2e8f0;padding:1rem 1.2rem;border-radius:var(--radius-sm);overflow-x:auto;font-size:.88rem;line-height:1.6}
.prose pre code{background:none;padding:0;color:inherit}
.prose img{border-radius:var(--radius);box-shadow:var(--shadow);margin:1.5em 0}
.prose table{border-collapse:collapse;width:100%;margin:1.4em 0;font-size:.95rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:.6em .8em;text-align:left}
.prose th{background:#f1f5f9;color:var(--ink-deep)}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  color:var(--muted);font-size:.92rem;margin:.5rem 0 1.4rem;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;min-height:32px}
.article-meta .meta-sep{width:4px;height:4px;border-radius:50%;background:var(--line)}

/* ----------------------- 4. Buttons / badges / pills ---------------------- */
.btn,.btn-primary,.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:var(--radius-sm);
  font-weight:600;line-height:1.2;transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 3px 10px rgba(249,115,22,.3)}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(249,115,22,.38)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:transparent;color:var(--ink);border:2px solid currentColor}
.btn-secondary:hover{color:var(--orange-dark);border-color:var(--orange-dark);background:var(--orange-soft)}
.btn-lg{min-height:52px;padding:14px 30px;font-size:1.05rem;border-radius:var(--radius)}
.btn-block{width:100%}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:1.6rem}

.badge{
  display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;
  font-size:.78rem;font-weight:700;line-height:1.6;background:#eef2f7;color:var(--ink);
}
.badge.badge-orange{background:var(--orange-soft);color:var(--orange-dark)}
.pill{
  display:inline-block;padding:4px 14px;border-radius:999px;background:#eef2f7;
  color:var(--muted);font-size:.82rem;font-weight:600;margin:0 6px 6px 0;
}

/* ----------------------- 5. Header & navigation --------------------------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(1.4) blur(6px);box-shadow:var(--shadow);
}
.header-inner{display:flex;align-items:center;gap:18px;height:var(--header-h)}
.site-logo{display:inline-flex;flex-direction:column;line-height:1.05;margin-right:auto;flex-shrink:0}
.logo-mark{font-size:1.15rem;font-weight:800;letter-spacing:.2px;color:var(--ink-deep)}
.logo-sub{font-size:.68rem;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:var(--orange)}
a.site-logo:hover{color:inherit}
.site-nav{display:flex;align-items:center;gap:4px}
.site-nav a{
  display:inline-flex;align-items:center;min-height:44px;padding:6px 13px;
  border-radius:var(--radius-sm);font-weight:600;font-size:.96rem;color:var(--text);
  border-bottom:3px solid transparent;
}
.site-nav a:hover{color:var(--orange-dark);background:var(--orange-soft)}
.site-nav a.active{color:var(--orange-dark);border-bottom-color:var(--orange)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.fav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  min-height:44px;padding:6px 10px;border-radius:var(--radius-sm);
  font-weight:600;font-size:.92rem;color:var(--ink);
}
.fav-link:hover{background:var(--orange-soft);color:var(--orange-dark)}
.fav-star{color:var(--orange);font-size:1.05rem}
.fav-badge{
  display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;
  padding:0 6px;border-radius:999px;background:var(--orange);color:#fff;
  font-size:.72rem;font-weight:700;line-height:1;
}
.fav-badge[hidden]{display:none}
.lang-switch{display:inline-flex;border:1.5px solid var(--ink);border-radius:var(--radius-sm);overflow:hidden}
.lang-btn{
  min-height:44px;min-width:46px;padding:4px 14px;font-size:.85rem;font-weight:700;color:var(--ink);
  background:transparent;transition:background .15s,color .15s;
}
.lang-btn:first-child{border-right:1.5px solid var(--ink)}
.lang-btn.active,.lang-btn[aria-pressed="true"]{background:var(--ink);color:#fff}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;
  padding:10px;border-radius:var(--radius-sm);
}
.nav-toggle span{display:block;width:22px;height:2.5px;margin:0 auto;background:var(--ink-deep);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.mobile-nav{background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow-md)}
.mobile-nav[hidden]{display:none}
.mobile-nav-inner{display:flex;flex-direction:column;padding:8px 20px 14px}
.mobile-nav a{
  display:flex;align-items:center;min-height:48px;padding:8px 6px;
  font-weight:600;font-size:1.02rem;border-bottom:1px solid var(--line);color:var(--text);
}
.mobile-nav a:last-child{border-bottom:none}
.mobile-nav a.active{color:var(--orange-dark)}

/* ------------------------- 6. Hero & breadcrumb --------------------------- */
.hero{
  position:relative;color:#fff;background-color:var(--ink-deep);
  background-size:cover;background-position:center;
  min-height:56vh;display:flex;align-items:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,30,50,.55),rgba(15,30,50,.82));
}
.hero .container{position:relative;padding-top:4rem;padding-bottom:4rem;width:100%}
.hero h1{
  color:#fff;font-size:clamp(1.9rem,5vw,3.2rem);max-width:780px;
  margin:0 0 .5em;text-wrap:balance;
}
.hero p.hero-sub{font-size:clamp(1rem,2vw,1.2rem);max-width:640px;color:rgba(255,255,255,.9);margin-bottom:1.6rem}
.hero .btn-primary{font-size:1.05rem}
.hero .btn-secondary{color:#fff;border-color:rgba(255,255,255,.85)}
.hero .btn-secondary:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

.page-hero{
  position:relative;color:#fff;background-color:var(--ink-deep);
  background-size:cover;background-position:center;
  padding:3.4rem 0 3rem;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,30,50,.55),rgba(15,30,50,.82));
}
.page-hero .container{position:relative}
.page-hero h1{color:#fff;font-size:clamp(1.6rem,4vw,2.5rem);margin:.2em 0 .3em;max-width:820px}
.page-hero .lead{color:rgba(255,255,255,.9)}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 1.4rem;
  font-size:.85rem;color:rgba(255,255,255,.82);min-height:32px;
}
.breadcrumb a{color:rgba(255,255,255,.92);text-decoration:underline;text-underline-offset:3px}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.6}
.breadcrumb.breadcrumb-on-light{color:var(--muted)}
.breadcrumb-on-light a{color:var(--ink)}

/* --------------------- 7. Cards / chips / search -------------------------- */
.card-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;list-style:none;margin:0;padding:0;
}
.photo-card{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  aspect-ratio:4/3;min-height:220px;border-radius:var(--radius);overflow:hidden;
  background-color:var(--ink);background-size:cover;background-position:center;
  color:#fff;padding:16px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
  isolation:isolate;
}
.photo-card::after{ /* extra legibility floor behind the bottom text */
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(15,30,50,0) 35%,rgba(15,30,50,.78) 100%);
}
.photo-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);color:#fff}
.photo-card:hover h3{text-decoration:underline;text-underline-offset:3px}
.photo-card .card-body{position:relative}
.photo-card h3{color:#fff;font-size:1.12rem;margin:.45rem 0 .3rem;line-height:1.3}
.photo-card p{color:rgba(255,255,255,.88);font-size:.88rem;line-height:1.5;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-chip{
  display:inline-block;align-self:flex-start;padding:3px 11px;border-radius:999px;
  background:rgba(249,115,22,.92);color:#fff;font-size:.72rem;font-weight:700;
  letter-spacing:.4px;text-transform:uppercase;
}
.card-chip-guide{background:rgba(30,58,95,.9);letter-spacing:.3px}
.fav-btn{
  position:absolute;top:8px;right:8px;z-index:2;
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  font-size:1.35rem;line-height:1;color:rgba(255,255,255,.92);
  text-shadow:0 1px 4px rgba(0,0,0,.45);border-radius:50%;
  transition:transform .15s,background .15s,color .15s;
}
.fav-btn:hover{background:rgba(255,255,255,.18);transform:scale(1.08)}
.fav-btn.is-fav{color:var(--orange);text-shadow:0 1px 4px rgba(0,0,0,.5)}

/* Category cards (homepage) reuse photo-card; .category-card adds chip style */
.category-card .card-chip{background:rgba(255,255,255,.9);color:var(--ink);text-transform:none;letter-spacing:0}

/* Filter chips + search (tools.html) */
.toolbar{margin-bottom:1.6rem;display:flex;flex-direction:column;gap:14px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  min-height:44px;padding:8px 18px;border-radius:999px;border:1.5px solid var(--line);
  background:var(--surface);color:var(--ink);font-weight:600;font-size:.92rem;
  transition:background .15s,color .15s,border-color .15s;
}
.chip:hover{border-color:var(--orange);color:var(--orange-dark)}
.chip.active{background:var(--orange);border-color:var(--orange);color:#fff;box-shadow:0 3px 10px rgba(249,115,22,.3)}
.search-wrap{position:relative;max-width:440px}
.search-wrap::before{
  content:"\1F50D";position:absolute;left:14px;top:50%;transform:translateY(-50%);
  font-size:1rem;line-height:1;opacity:.55;pointer-events:none;
}
.search-input{
  width:100%;min-height:48px;padding:10px 16px 10px 44px;
  border:1.5px solid var(--line);border-radius:var(--radius);background:var(--surface);
  box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s;
}
.search-input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(249,115,22,.18)}

/* -------------------------------- 8. Forms -------------------------------- */
.tool-form{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(18px,4vw,30px);box-shadow:var(--shadow);margin:1.6rem 0;
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px}
.field{display:flex;flex-direction:column;gap:6px}
.field.span-2{grid-column:1/-1}
.field label{font-weight:700;font-size:.92rem;color:var(--ink-deep);min-height:22px}
.field .hint{font-size:.82rem;color:var(--muted);font-weight:400}
.field input,.field select,.field textarea,.tool-form input,.tool-form select,.tool-form textarea{
  width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;transition:border-color .15s,box-shadow .15s;
}
.field input[type=number]{font-size:1.25rem;font-weight:700;color:var(--ink-deep);padding-block:10px;appearance:textfield;-moz-appearance:textfield}
.field input[type=number]::-webkit-inner-spin-button,.field input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.field textarea{min-height:110px;resize:vertical;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(249,115,22,.18);
}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--risk-severe);background:#fef2f2}
.form-error{display:none;color:var(--risk-severe);font-size:.84rem;font-weight:600;min-height:1em}
.field.invalid .form-error{display:block}
.form-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.form-actions .btn-primary{min-width:150px}

/* --------------------- 9. Results & risk bands ---------------------------- */
.result-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);padding:clamp(20px,4vw,32px);margin:1.6rem 0;overflow:hidden;
}
.result-card.hidden{display:none}
.result-label{font-size:.85rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin:0 0 .4em}
.result-value{
  font-size:clamp(2.2rem,7vw,3.4rem);font-weight:800;line-height:1.1;color:var(--ink-deep);
  margin:0 0 .15em;letter-spacing:-.5px;
}
.result-value .result-unit{font-size:.45em;font-weight:600;color:var(--muted);margin-left:.25em}
.result-sub{color:var(--muted);margin:0 0 1rem}
.risk-band{
  display:flex;align-items:center;gap:10px;border-radius:var(--radius-sm);
  padding:12px 18px;margin:0 0 1.2rem;color:#fff;font-weight:800;font-size:1.05rem;
  text-transform:uppercase;letter-spacing:.6px;
}
.risk-band::before{content:"";width:12px;height:12px;border-radius:50%;background:#fff;flex-shrink:0;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.risk-band.level-low{background:var(--risk-low)}
.risk-band.level-moderate{background:var(--risk-mod);color:#3a2f05}
.risk-band.level-moderate::before{background:#3a2f05;box-shadow:0 0 0 3px rgba(58,47,5,.25)}
.risk-band.level-high{background:var(--risk-high)}
.risk-band.level-severe{background:var(--risk-severe)}
.risk-band.level-extreme{background:var(--risk-extreme)}
.result-detail{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:0 0 1.2rem}
.result-detail .metric{background:#f1f5f9;border-radius:var(--radius-sm);padding:10px 14px}
.result-detail .metric dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:0 0 .2em}
.result-detail .metric dd{margin:0;font-weight:700;color:var(--ink-deep);font-size:1.05rem}
ul.tips{list-style:none;padding:0;margin:0}
ul.tips li{
  position:relative;padding:10px 12px 10px 40px;background:#f8fafc;border:1px solid var(--line);
  border-radius:var(--radius-sm);margin-bottom:8px;line-height:1.55;
}
ul.tips li::before{
  content:"\2713";position:absolute;left:12px;top:10px;width:20px;height:20px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--risk-low);color:#fff;border-radius:50%;font-size:.72rem;font-weight:700;
}
.tips-title{font-weight:800;color:var(--ink-deep);margin:1.2rem 0 .6rem}

/* ---------------- 10. Check-list / timer / data table --------------------- */
.check-list{list-style:none;padding:0;margin:0 0 1rem;display:flex;flex-direction:column;gap:10px}
.check-list li{margin:0}
.check-list label{
  display:flex;align-items:flex-start;gap:12px;min-height:44px;padding:11px 14px;
  border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;
  cursor:pointer;transition:border-color .15s,background .15s;font-weight:600;
}
.check-list label:hover{border-color:var(--orange)}
.check-list input[type=checkbox],.check-list input[type=radio]{
  width:22px;height:22px;margin:2px 0 0;flex-shrink:0;accent-color:var(--orange);cursor:pointer;
}
.check-list input:checked + .check-text,
.check-list label:has(input:checked){background:var(--orange-soft);border-color:var(--orange)}
.check-list .check-text{font-weight:600}
.check-list .check-sub{display:block;font-weight:400;font-size:.85rem;color:var(--muted);margin-top:2px}

.timer{text-align:center;background:#f1f5f9;border-radius:var(--radius-lg);padding:clamp(20px,5vw,36px);margin:1.4rem 0}
.timer-display{
  font-size:clamp(2.8rem,12vw,5rem);font-weight:800;line-height:1;color:var(--ink-deep);
  font-variant-numeric:tabular-nums;letter-spacing:-2px;margin-bottom:.2em;
}
.timer-display.timer-warning{color:var(--risk-severe)}
.timer-display.timer-ok{color:var(--risk-low)}
.timer-mode{color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:1px;font-size:.82rem;margin-bottom:1rem}
.timer-btns{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.timer-steps{list-style:none;padding:0;margin:1.2rem 0 0;text-align:left;display:grid;gap:8px}
.timer-steps li{
  display:flex;align-items:center;gap:10px;padding:10px 14px;min-height:44px;
  background:#fff;border:1.5px solid var(--line);border-radius:var(--radius-sm);font-weight:600;
}
.timer-steps li.done{background:#ecfdf5;border-color:var(--risk-low)}
.timer-steps .step-no{
  width:26px;height:26px;border-radius:50%;background:#cbd5e1;color:#fff;font-size:.8rem;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:700;
}
.timer-steps li.done .step-no{background:var(--risk-low)}

/* Generic responsive table: add class "stack-table", use <td data-label="..."> */
table.stack-table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.95rem;background:#fff;
  border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow)}
.stack-table th,.stack-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
.stack-table th{background:#f1f5f9;color:var(--ink-deep);font-weight:700}
.stack-table tr:last-child td{border-bottom:none}

/* ------------------- 11. FAQ / trust / empty / disclaimer ----------------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:840px;margin:0 auto}
.faq-list details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.faq-list details[open]{box-shadow:var(--shadow-md)}
.faq-list summary{
  list-style:none;cursor:pointer;min-height:44px;padding:16px 48px 16px 18px;
  font-weight:700;color:var(--ink-deep);position:relative;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:1.5rem;font-weight:400;color:var(--orange);line-height:1;transition:transform .2s;
}
.faq-list details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-list details>div,.faq-list details>p{padding:0 18px 16px;color:var(--muted);line-height:1.75}

.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.trust-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 22px;box-shadow:var(--shadow);text-align:left;height:100%;
}
.trust-icon{
  width:52px;height:52px;border-radius:14px;background:var(--orange-soft);
  display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:14px;
}
.trust-item h3{font-size:1.08rem;margin-bottom:.4em}
.trust-item p{color:var(--muted);font-size:.93rem;margin:0;line-height:1.7}

.empty-state{
  text-align:center;padding:4rem 20px;border:2px dashed var(--line);border-radius:var(--radius-lg);
  background:var(--surface);max-width:640px;margin:2rem auto;
}
.empty-state .empty-icon{font-size:2.6rem;line-height:1;margin-bottom:.6em;opacity:.8}
.empty-state h2{font-size:1.3rem;margin-bottom:.4em}
.empty-state p{color:var(--muted);margin-bottom:1.4rem}

.disclaimer-box{
  background:#fef9e7;border:1px solid #f5d77a;border-left:4px solid #d9a800;
  border-radius:var(--radius);padding:16px 18px;margin:1.8rem 0;
  color:#5c4708;font-size:.92rem;line-height:1.7;
}
.disclaimer-box p:last-child{margin-bottom:0}
.disclaimer-box strong{color:#423205}
.disclaimer-box.disclaimer-danger{background:#fef2f2;border-color:#f3b1b1;border-left-color:var(--risk-severe);color:#7f1d1d}

/* Compact point-of-result safety note injected into every tool result card */
.result-disclaimer{
  display:flex;gap:8px;align-items:flex-start;
  margin:1.15rem 0 0;padding:.8rem 0 0;border-top:1px solid var(--line);
  font-size:.8rem;line-height:1.6;color:var(--muted);
}
.result-disclaimer-icon{color:#d9a800;line-height:1.5;flex:none}
.result-disclaimer a{font-weight:700;white-space:nowrap;text-decoration:underline}
.result-disclaimer a:hover{color:var(--orange)}

.info-box{
  background:#eff6ff;border:1px solid #bfdbfe;border-left:4px solid var(--ink);
  border-radius:var(--radius);padding:16px 18px;margin:1.6rem 0;font-size:.95rem;line-height:1.7;
}
.info-box p:last-child{margin-bottom:0}

/* ------------------------------ Contact page ------------------------------ */
.contact-card{
  max-width:760px;margin:0 auto 2.2rem;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);padding:34px 24px;
}
.email-label{font-size:.85rem;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.email-big{
  display:inline-block;font-size:clamp(1.25rem,4vw,1.9rem);font-weight:800;
  color:var(--ink-deep);word-break:break-all;line-height:1.3;text-decoration:underline;
  text-underline-offset:5px;margin-bottom:18px;
}
.email-big:hover{color:var(--orange-dark)}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.copy-btn{min-height:44px;padding:10px 22px;border-radius:var(--radius-sm);border:2px solid var(--ink);background:#fff;font-weight:700;color:var(--ink);cursor:pointer}
.copy-btn:hover{border-color:var(--orange-dark);color:var(--orange-dark)}
.copy-btn.copied{border-color:var(--risk-low);color:var(--risk-low)}
.feedback-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.feedback-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px 18px;
}
.feedback-item h3{font-size:1.02rem;margin:0 0 .35em;color:var(--ink-deep)}
.feedback-item p{margin:0;color:var(--muted);font-size:.93rem;line-height:1.65}
.social-note{max-width:760px;margin:1.4rem auto 0;text-align:center;color:var(--muted);font-size:.93rem;line-height:1.7}

/* -------------------------------- 12. Footer ------------------------------ */
.site-footer{background:var(--ink-deep);color:#cbd5e1;margin-top:3.5rem;padding:3rem 0 1.6rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px;padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-col h4{color:#fff;font-size:.82rem;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:1rem}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin:0}
.footer-col a{
  display:inline-flex;align-items:center;min-height:44px;color:#cbd5e1;font-weight:600;font-size:.95rem;
}
.footer-col a:hover{color:var(--orange)}
.footer-brand .footer-logo{margin-bottom:1rem}
.footer-brand .logo-mark{color:#fff}
.footer-about{font-size:.9rem;line-height:1.7;color:#94a3b8;max-width:340px}
.footer-contact{font-size:.9rem;color:#94a3b8;line-height:1.7}
.footer-contact a{color:#fff;text-decoration:underline;text-underline-offset:3px;min-height:auto;display:inline}
.footer-bottom{padding-top:1.6rem;text-align:center}
.footer-disclaimer{font-size:.82rem;color:#94a3b8;max-width:760px;margin:0 auto 1rem;line-height:1.6}
.free-badge{
  display:inline-block;border:1.5px solid var(--orange);color:var(--orange);
  border-radius:999px;padding:6px 18px;font-size:.82rem;font-weight:700;margin-bottom:1rem;
}
.footer-copy{font-size:.82rem;color:#7d8da1;margin:0}

/* ------------------------ 13. Language visibility ------------------------- */
/* Default site language is English (G2).
   Body-scoped + !important so component rules such as
   .check-list .check-sub{display:block} cannot leak the inactive language. */
body:not(.lang-zh) .lang-zh{display:none !important}
body.lang-zh .lang-en{display:none !important}

/* ------------------------------ 14. Responsive ---------------------------- */
/* Tablet / small laptop */
@media (max-width:1024px){
  .trust-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .footer-grid{gap:24px}
}
@media (max-width:900px){
  .fav-link .fav-link-text{display:none}
  .fav-link{padding:6px}
}
/* Mobile breakpoint: hamburger menu */
@media (max-width:768px){
  :root{--header-h:58px}
  .site-nav{display:none}
  .nav-toggle{display:flex}
  .hero{min-height:70vh}
  .hero .container{padding-top:3rem;padding-bottom:3rem}
  .page-hero{padding:2.6rem 0 2.2rem}
  .section{padding:2.2rem 0}
  .form-grid{grid-template-columns:1fr}
  .field.span-2{grid-column:auto}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:26px;text-align:left}
  .footer-about{max-width:none}
  .form-actions .btn{flex:1 1 auto}
  .section-head{align-items:flex-start}
  /* Tables stack into labelled cards (G5). */
  table.stack-table thead{display:none}
  table.stack-table,table.stack-table tbody,table.stack-table tr,table.stack-table td{display:block;width:100%}
  table.stack-table tr{border-bottom:1px solid var(--line);padding:6px 0}
  table.stack-table td{border:none;padding:6px 14px;display:flex;justify-content:space-between;gap:16px;text-align:right}
  table.stack-table td::before{
    content:attr(data-label);font-weight:700;color:var(--ink);text-align:left;
  }
  .prose table{display:block}
}
@media (max-width:480px){
  .container{padding:0 16px}
  body{font-size:15px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .photo-card{aspect-ratio:4/3;min-height:200px}
  .lang-btn{padding:4px 12px;font-size:.8rem;min-height:44px;min-width:46px}
  .logo-mark{font-size:1.02rem}
  .fav-link{padding:6px 4px}
  .chip{padding:8px 14px;font-size:.86rem}
  .tool-form{padding:16px}
  .hero h1{font-size:1.75rem}
  .btn,.btn-primary,.btn-secondary{width:100%}
  .cta-row .btn{width:auto;flex:1 1 140px}
  .form-actions{flex-direction:column}
  .form-actions .btn{width:100%}
  .footer-grid{gap:22px}
}
/* Large screens: breathe a little more */
@media (min-width:1440px){
  :root{--maxw:1200px}
  .card-grid{gap:24px}
}

/* -------------------------------- 15. Print ------------------------------- */
@media print{
  .site-header,.site-footer,.fav-btn,.form-actions,.cta-row,.btn,.nav-toggle,.mobile-nav{display:none !important}
  body{background:#fff;color:#000}
  .result-card,.tool-form,.prose img{box-shadow:none}
  .photo-card{break-inside:avoid}
  a{color:#000;text-decoration:underline}
}