/* Dongli HDD catalogue — local preview, 2026-11-12
   Free fonts only (Newsreader, Source Sans 3). No Anthropic/Claude assets. */

@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/newsreader-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/newsreader-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Source Sans 3";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/sourcesans3-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Source Sans 3";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/sourcesans3-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #F4F0E8;
  --bg-elev: #FFFCF6;
  --bg-soft: #EBE5DA;
  --bg-user: #E8E0D3;
  --ink: #1A1714;
  --ink-2: #3A3530;
  --ink-3: #524C44; /* >= 4.5:1 on --bg, verified in build */
  --line: #DDD5C7;
  --line-strong: #C9C0B0;
  --accent: #1A3148; /* Dongli navy, restrained */
  --accent-hover: #122436;
  --accent-soft: #E6EBF0;
  --focus: #1A1714;
  --danger: #7A2E28;
  --ok: #21543B;
  --radius: 1.25rem;
  --radius-sm: 0.75rem;
  --shadow: 0 1px 2px rgba(28, 22, 16, 0.04), 0 16px 40px rgba(28, 22, 16, 0.07);
  --font-display: "Newsreader", "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --font-body: "Source Sans 3", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --max: 72rem;
  --measure: 42rem;
  --header-h: 4.25rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { color: var(--ink); }
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  background: var(--ink);
  color: var(--bg-elev);
  padding: 0.5rem 1rem;
  border-radius: 0.4rem;
  z-index: 200;
}
.skip:focus { top: 0.75rem; }

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: var(--header-h);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}
.brand img {
  width: 2.15rem;
  height: 2.15rem;
  object-fit: contain;
  display: block;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 550;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.brand-sub {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}
.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.15rem 1.15rem;
}
.nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 500;
  padding: 0.35rem 0.1rem;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] { box-shadow: inset 0 -1.5px 0 var(--ink); }
.lang-switch {
  display: flex;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  overflow: hidden;
  margin-left: 0.5rem;
}
.lang-switch a {
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.28rem 0.7rem;
  color: var(--ink-2);
  box-shadow: none !important;
}
.lang-switch a[aria-current="true"] {
  background: var(--ink);
  color: var(--bg-elev);
}
.menu-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 0.55rem;
  padding: 0.45rem 0.7rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  min-height: 2.75rem;
}
@media (max-width: 52rem) {
  .menu-toggle { display: inline-flex; align-items: center; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1.5rem 1.25rem;
    gap: 0;
    box-shadow: var(--shadow);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 0.75rem 0.25rem; min-height: 2.75rem; display: flex; align-items: center; }
  .lang-switch { margin: 0.6rem 0 0; align-self: flex-start; }
}

/* ----- Layout ----- */
.main { flex: 1; width: 100%; }
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.measure { max-width: var(--measure); }

/* ----- Hero / Ask ----- */
.hero {
  padding: 4.5rem 1.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero-kicker {
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 1rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.15rem, 5.4vw, 3.85rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 1.15rem;
  max-width: 18ch;
  text-wrap: balance;
}
[lang="zh"] .hero h1 { letter-spacing: 0; max-width: 12em; font-weight: 600; }
.hero-lead {
  max-width: 36rem;
  margin: 0 0 2.25rem;
  color: var(--ink-2);
  font-size: 1.15rem;
  line-height: 1.6;
}
.ask-box {
  width: min(40rem, 100%);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  box-shadow: var(--shadow);
  padding: 0.55rem 0.55rem 0.55rem 1.15rem;
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  text-align: left;
}
.ask-box:focus-within { border-color: var(--ink); }
.ask-fields { flex: 1; min-width: 0; }
.ask-fields label {
  display: block;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0.35rem 0 0.15rem;
}
.ask-box textarea {
  width: 100%;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 1.125rem;
  color: var(--ink);
  resize: none;
  min-height: 3.1rem;
  max-height: 10rem;
  padding: 0.2rem 0 0.45rem;
  line-height: 1.45;
}
.ask-box textarea::placeholder { color: #7A7368; }
.ask-submit {
  flex-shrink: 0;
  appearance: none;
  border: 0;
  background: var(--accent);
  color: #F8F4EC;
  font: inherit;
  font-weight: 650;
  font-size: 1rem;
  padding: 0.85rem 1.25rem;
  border-radius: 1.15rem;
  cursor: pointer;
  min-height: 2.85rem;
  min-width: 4.6rem;
}
.ask-submit:hover { background: var(--accent-hover); }
.ask-submit:disabled { opacity: 0.65; cursor: not-allowed; }
.ask-hints {
  width: min(40rem, 100%);
  margin: 1.1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
}
.ask-hints span, .chip-label {
  font-size: 0.8rem;
  color: var(--ink-3);
  width: 100%;
  margin-bottom: 0.15rem;
}
.chip {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-2);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
  min-height: 2.5rem;
}
.chip:hover { background: var(--bg-elev); color: var(--ink); }
.disclaimer {
  width: min(40rem, 100%);
  margin: 1.35rem 0 0;
  font-size: 0.95rem;
  color: var(--ink-3);
  line-height: 1.5;
}

/* ----- Chat ----- */
.chat {
  width: min(44rem, 100%);
  margin: 0 auto;
  padding: 0.5rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}
.bubble {
  max-width: 92%;
  padding: 0.95rem 1.15rem;
  border-radius: 1.15rem;
  line-height: 1.55;
}
.bubble p { margin: 0 0 0.7rem; }
.bubble p:last-child { margin-bottom: 0; }
.bubble-user {
  align-self: flex-end;
  background: var(--bg-user);
  color: var(--ink);
  border-bottom-right-radius: 0.35rem;
}
.bubble-assistant {
  align-self: flex-start;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-bottom-left-radius: 0.35rem;
  box-shadow: 0 1px 2px rgba(28,22,16,0.03);
}
.bubble-meta {
  display: block;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.4rem;
}
.result-list { list-style: none; margin: 0.75rem 0 0; padding: 0; display: grid; gap: 0.65rem; }
.result-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.95rem;
  background: var(--bg);
}
.result-card:hover { border-color: var(--ink); }
.result-ref {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  display: block;
}
.result-name { display: block; color: var(--ink-2); font-size: 0.98rem; margin-top: 0.15rem; }
.result-meta { display: block; font-size: 0.85rem; color: var(--ink-3); margin-top: 0.25rem; }
.bubble-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.95rem; }
.btn, .btn-secondary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
  font: inherit;
  font-weight: 650;
  font-size: 0.98rem;
  padding: 0.7rem 1.15rem;
  border-radius: 0.85rem;
  min-height: 2.75rem;
  cursor: pointer;
  border: 0;
}
.btn { background: var(--accent); color: #F8F4EC; }
.btn:hover { background: var(--accent-hover); color: #F8F4EC; }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-secondary:hover { background: var(--bg-soft); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink-2); padding-left: 0.4rem; padding-right: 0.4rem; }
.note, .callout {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  padding: 0.85rem 1rem;
  border-radius: 0 0.6rem 0.6rem 0;
  font-size: 0.98rem;
  color: var(--ink-2);
  margin: 1.1rem 0;
}
.callout strong { color: var(--ink); }

/* ----- Inner pages ----- */
.page-head { padding: 3rem 0 1.5rem; }
.crumbs {
  font-size: 0.88rem;
  color: var(--ink-3);
  margin: 0 0 1rem;
}
.crumbs a { color: var(--ink); text-decoration: underline; text-underline-offset: 0.18em; }
.crumbs a:hover { text-decoration: underline; }
.page-head h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.9rem, 4vw, 2.85rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 0.75rem;
}
[lang="zh"] .page-head h1 { letter-spacing: 0; }
.lede { color: var(--ink-2); max-width: 40rem; margin: 0; font-size: 1.12rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16.5rem, 1fr));
  gap: 1rem;
  padding: 0 0 3.5rem;
}
.card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 1.05rem;
  padding: 1.15rem 1.2rem 1.25rem;
  text-decoration: none;
  color: inherit;
  min-height: 9rem;
}
.card:hover { border-color: var(--ink); }
.card-kicker {
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.4rem;
}
.card h2, .card .card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.35rem;
  color: var(--ink);
}
.card p { margin: 0; color: var(--ink-2); font-size: 0.98rem; flex: 1; }
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: end;
  margin: 0 0 1.5rem;
}
.filter-bar .field { display: flex; flex-direction: column; gap: 0.25rem; }
.filter-bar label { font-size: 0.8rem; font-weight: 650; color: var(--ink-3); }
.filter-bar input, .filter-bar select {
  font: inherit;
  font-size: 1rem;
  border: 1px solid var(--line-strong);
  background: var(--bg-elev);
  color: var(--ink);
  border-radius: 0.6rem;
  padding: 0.5rem 0.7rem;
  min-height: 2.75rem;
  min-width: 12rem;
}

/* Product */
.product { display: grid; grid-template-columns: 1fr; gap: 2rem; padding-bottom: 4rem; max-width: 46rem; }
.ref-hero {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 550;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 0.4rem;
}
.dl { display: grid; grid-template-columns: 15rem 1fr; gap: 0.55rem 1rem; margin: 1.25rem 0; }
.dl dt { font-size: 0.82rem; font-weight: 650; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-3); padding-top: 0.2rem; }
.dl dd { margin: 0; }
@media (max-width: 36rem) {
  .dl { grid-template-columns: 1fr; gap: 0.15rem; }
  .dl dt { padding-top: 0.65rem; }
}
.no-photo {
  border: 1px dashed var(--line-strong);
  border-radius: 1rem;
  padding: 1.5rem;
  color: var(--ink-3);
  background: color-mix(in srgb, var(--bg-soft) 50%, transparent);
  font-size: 0.98rem;
}

/* Forms */
form.inquiry { display: grid; gap: 1rem; max-width: 36rem; }
.field { display: flex; flex-direction: column; gap: 0.3rem; }
.field label { font-size: 0.9rem; font-weight: 650; color: var(--ink); }
.req { color: var(--danger); }
.field input, .field textarea, .field select {
  font: inherit;
  font-size: 1rem;
  border: 1px solid var(--line-strong);
  background: var(--bg-elev);
  color: var(--ink);
  border-radius: 0.65rem;
  padding: 0.65rem 0.8rem;
  min-height: 2.85rem;
  width: 100%;
}
.field textarea { min-height: 8rem; resize: vertical; }
.help { font-size: 0.88rem; color: var(--ink-3); margin: 0; }
.form-status {
  padding: 0.85rem 1rem;
  border-radius: 0.65rem;
  font-size: 0.98rem;
}
.form-status[data-kind="pending"] { background: var(--accent-soft); color: var(--ink); }
.form-status[data-kind="ok"] { background: #D9E8DF; color: var(--ok); }
.form-status[data-kind="err"] { background: #F3DDD8; color: var(--danger); }
.channels { display: grid; gap: 0.65rem; margin: 1.5rem 0 2rem; }
.channel {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 1rem 1.1rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  text-decoration: none;
  color: inherit;
}
.channel:hover { border-color: var(--ink); }
.channel strong { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.channel span { font-size: 1.12rem; color: var(--ink); font-weight: 600; }

/* Guide */
.steps { display: grid; gap: 1.15rem; margin: 2rem 0 2.5rem; }
.step {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 1.05rem;
  padding: 1.25rem 1.35rem;
}
.step-num {
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.step h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 550; margin: 0.2rem 0 0.5rem; letter-spacing: -0.02em; }
.faq { margin: 2.5rem 0 3.5rem; }
.faq h2 { font-family: var(--font-display); font-size: 1.85rem; font-weight: 500; margin: 0 0 1rem; }
.faq details {
  border-top: 1px solid var(--line);
  padding: 0.85rem 0;
}
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  font-weight: 650;
  padding: 0.35rem 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 400; font-size: 1.3rem; color: var(--ink-3); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0.4rem 0 0.6rem; color: var(--ink-2); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 1.5rem 3rem;
  color: var(--ink-3);
  font-size: 0.92rem;
  margin-top: auto;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.4fr 1fr 1fr;
}
.site-footer h2 { font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 0.5rem; font-weight: 650; }
.site-footer p, .site-footer li { margin: 0 0 0.35rem; }
.site-footer a { color: var(--ink-2); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.legal { margin-top: 1.75rem; padding-top: 1.25rem; border-top: 1px solid var(--line); grid-column: 1 / -1; font-size: 0.85rem; }
@media (max-width: 52rem) {
  .footer-inner { grid-template-columns: 1fr; }
  .hero { padding-top: 2.75rem; }
  .ask-box { flex-direction: column; padding: 0.85rem 0.95rem 0.85rem; }
  .ask-submit { width: 100%; }
}

/* Compact ask on inner pages */
.ask-mini {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  padding: 0.85rem 1rem;
  margin: 0 0 2rem;
  box-shadow: 0 1px 2px rgba(28,22,16,0.03);
}
.ask-mini form { display: flex; gap: 0.5rem; align-items: end; }
.ask-mini .ask-submit { border-radius: 0.85rem; }
@media (max-width: 40rem) {
  .ask-mini form { flex-direction: column; align-items: stretch; }
}

/* Empty / count */
.count-line { font-size: 0.95rem; color: var(--ink-3); margin: 0 0 1rem; }
.empty { padding: 2rem 0; color: var(--ink-2); }

/* Print */
@media print {
  .site-header, .ask-box, .ask-mini, .menu-toggle, .ask-submit, .site-footer { /* keep footer */ }
  .site-header, .menu-toggle, .ask-submit { display: none; }
  body { background: white; }
}


/* On-device model opt-in (not loaded until click) */
.model-panel {
  margin: 1.1rem 0 0;
  padding: 1rem 1.1rem 1.05rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
  max-width: 42rem;
}
.model-offer, .model-license-line, .model-msg {
  margin: 0 0 0.55rem;
  color: var(--ink-3);
  font-size: 0.92rem;
  line-height: 1.5;
}
.model-license-line { margin-bottom: 0.75rem; }
.model-msg { margin: 0.6rem 0 0; color: var(--ink-2); }
.model-progress {
  height: 0.45rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 99px;
  overflow: hidden;
  margin-top: 0.7rem;
}
.model-progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.2s ease;
}
.model-prose { white-space: pre-wrap; }
.result-prep {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  color: var(--ink);
  font-weight: 650;
}
.prep-banner {
  border: 1px solid var(--ink);
  background: var(--bg-elev);
  padding: 0.9rem 1.1rem;
  border-radius: 12px;
  margin: 1rem 0;
  color: var(--ink);
  font-weight: 650;
}
.brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 0.85rem;
  margin: 1.25rem 0 2.5rem;
}
.no-photo {
  background: var(--bg-soft);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  color: var(--ink-3);
  font-size: 0.95rem;
}
.ask-mini {
  display: flex;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
}
.ask-mini form { display: flex; gap: 0.6rem; flex-wrap: wrap; width: 100%; align-items: flex-end; }
.help { color: var(--ink-3); font-size: 0.95rem; }
.count-line { color: var(--ink-3); font-size: 0.92rem; }
.empty { color: var(--ink-2); }
.steps { display: grid; gap: 1rem; }
.step { background: var(--bg-elev); border: 1px solid var(--line); border-radius: 14px; padding: 1.1rem 1.2rem; }
.step-num { font-weight: 700; color: var(--accent); font-size: 0.85rem; letter-spacing: 0.04em; }
.faq details { border-bottom: 1px solid var(--line); padding: 0.7rem 0; }
.faq summary { cursor: pointer; font-weight: 650; color: var(--ink); }
.faq details p { margin: 0.5rem 0 0.2rem; color: var(--ink-2); }
.site-footer { border-top: 1px solid var(--line); margin-top: 3rem; padding: 2.5rem 0 3rem; color: var(--ink-3); }
.footer-inner { width: min(100% - 2.5rem, 72rem); margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 1.75rem; }
.footer-inner h2 { font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 0.6rem; font-family: inherit; font-weight: 700; }
.footer-inner ul { list-style: none; margin: 0; padding: 0; }
.footer-inner li { margin: 0.25rem 0; }
.legal { grid-column: 1 / -1; font-size: 0.88rem; margin: 0.5rem 0 0; }
.form-status[data-kind="ok"] { color: var(--ink); }
.form-status[data-kind="err"] { color: #8B1E1E; }
.form-status[data-kind="pending"] { color: var(--ink-2); }
@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; }
  .dl { grid-template-columns: 1fr; }
}

[hidden] { display: none !important; }

/* Product photographs (v75 public web only) */
.product-photo {
  margin: 0 0 1.5rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 1rem;
  overflow: hidden;
  max-width: 40rem;
}
.product-photo img,
.product-photo picture {
  display: block;
  width: 100%;
  height: auto;
}
.product-photo img { max-width: 100%; }
.product-photo figcaption {
  font-size: 0.88rem;
  color: var(--ink-3);
  padding: 0.7rem 1rem 0.95rem;
  line-height: 1.45;
}
.card-thumb {
  display: block;
  margin: 0 0 0.75rem -0.05rem;
  border-radius: 0.7rem;
  overflow: hidden;
  background: var(--bg-soft);
  aspect-ratio: 4 / 3;
}
.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.result-thumb {
  display: block;
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 0.55rem;
  overflow: hidden;
  background: var(--bg-soft);
  flex: 0 0 5.5rem;
}
.result-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.result-card { display: flex; gap: 0.85rem; align-items: flex-start; }
.result-card .result-body { display: flex; flex-direction: column; min-width: 0; }
.model-stream { white-space: pre-wrap; }