:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #596572;
  --line: #d8dee5;
  --paper: #ffffff;
  --soft: #f4f7f9;
  --navy: #12324a;
  --blue: #075985;
  --orange: #b45309;
  font-family: system-ui, -apple-system, "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; max-width: none; padding: 0; color: var(--ink); background: var(--paper); }
a { color: var(--blue); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: .14em; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid #f59e0b; outline-offset: 3px; }
.shell { width: min(72rem, calc(100% - 2rem)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; left: 1rem; top: 1rem; transform: translateY(-180%); background: #fff; color: #111; padding: .6rem 1rem; border: 2px solid #111; }
.skip-link:focus { transform: translateY(0); }

.site-header { width: 100%; margin: 0; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); }
.header-inner { min-height: 4.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.site-name { color: var(--navy); font-size: 1.05rem; font-weight: 800; text-decoration: none; letter-spacing: .02em; }
.site-nav { display: flex; gap: 1.25rem; margin: 0; }
.site-nav a { color: var(--ink); font-size: .92rem; font-weight: 650; text-decoration: none; }
.site-nav a:hover { color: var(--blue); }

.page-main { padding-block: clamp(3rem, 7vw, 6rem); }
.home-hero { padding: clamp(2rem, 7vw, 6rem) 0; border-bottom: 1px solid var(--line); }
.home-hero h1 { max-width: 18ch; margin: .35rem 0 1.5rem; font-size: clamp(2.4rem, 7vw, 5rem); line-height: 1.1; letter-spacing: -.04em; }
.home-hero > p:last-child { max-width: 42rem; color: var(--muted); font-size: 1.08rem; }
.kicker { margin: 0; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.listing-section { padding: clamp(3.5rem, 7vw, 6rem) 0; border-bottom: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: minmax(13rem, .65fr) 1.35fr; column-gap: 3rem; align-items: end; margin-bottom: 2rem; }
.section-heading .kicker { grid-column: 1 / -1; }
.section-heading h2 { margin: .3rem 0 0; font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.2; }
.section-heading > p:last-child { margin: 0; color: var(--muted); }
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; padding: 0; list-style: none; }
.article-grid li { min-width: 0; }
.article-grid a { display: flex; min-height: 100%; flex-direction: column; gap: .7rem; padding: 1.25rem; color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: .75rem; background: #fff; transition: border-color .15s, transform .15s; }
.article-grid a:hover { border-color: #8aa0b0; transform: translateY(-2px); }
.article-grid strong { font-size: 1.08rem; line-height: 1.45; }
.article-grid a > span:last-child { color: var(--muted); font-size: .9rem; }
.track-tag { width: max-content; padding: .15rem .5rem; border-radius: 99rem; font-size: .72rem; font-weight: 800; }
.track-tag--smartphone-carrier { color: #075985; background: #e0f2fe; }
.track-tag--aircon { color: #9a3412; background: #ffedd5; }
.editorial-note, .disclosure-box { margin-top: 3rem; padding: 1.5rem; border-left: .35rem solid var(--orange); background: #fff7ed; }
.editorial-note h2 { margin-top: 0; }

.compact-page h1, .prose-page h1 { margin: .35rem 0 1rem; font-size: clamp(2.2rem, 5vw, 3.8rem); line-height: 1.15; }
.page-lead { max-width: 46rem; margin-bottom: 3rem; color: var(--muted); font-size: 1.08rem; }
.prose-page { max-width: 52rem; }
.prose-page h2 { margin-top: 2.5rem; padding-top: .5rem; border-top: 1px solid var(--line); }
.info-list { margin: 2rem 0; border-top: 1px solid var(--line); }
.info-list div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.info-list dt { font-weight: 800; }
.info-list dd { margin: 0; }
.policy-date, .form-note { color: var(--muted); font-size: .9rem; }
.contact-form { display: grid; gap: 1.25rem; margin-top: 2rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--soft); }
.contact-form div { display: grid; gap: .35rem; }
.contact-form label { font-weight: 800; }
.contact-form input, .contact-form textarea { width: 100%; padding: .7rem .8rem; border: 1px solid #9ba8b2; border-radius: .35rem; color: var(--ink); background: #fff; font: inherit; }
.contact-form button, .button-link { width: max-content; padding: .7rem 1rem; border: 0; border-radius: .35rem; color: #fff; background: var(--navy); font: inherit; font-weight: 750; text-decoration: none; cursor: pointer; }
.error-page { min-height: 55vh; text-align: center; }
.error-code { margin: 0; color: var(--blue); font-size: clamp(4rem, 15vw, 9rem); font-weight: 900; line-height: 1; }

.generated-content { width: 100%; overflow-wrap: anywhere; }
.generated-content > main, .generated-content > footer { width: min(72rem, calc(100% - 2rem)); margin-inline: auto; }
.generated-content--aircon { width: min(72rem, calc(100% - 2rem)); margin-inline: auto; padding-block: 1rem; }
.generated-content--aircon > main { width: 100%; }
.generated-content table { max-width: 100%; }
.generated-content a[href=""] { pointer-events: none; }

.site-footer { width: 100%; margin: 0; padding: 3rem 0 1.5rem; color: #dbe4eb; background: var(--navy); font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 3rem; }
.footer-grid > div { max-width: 40rem; }
.footer-title { color: #fff; font-size: 1.1rem; font-weight: 800; }
.footer-grid nav { display: grid; align-content: start; gap: .5rem; margin: 0; }
.footer-grid a { color: #fff; }
.copyright { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,.2); }

@media (max-width: 48rem) {
  .header-inner { align-items: flex-start; flex-direction: column; padding-block: 1rem; }
  .site-nav { width: 100%; gap: .75rem 1rem; flex-wrap: wrap; }
  .section-heading { display: block; }
  .section-heading > p:last-child { margin-top: .75rem; }
  .article-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .info-list div { grid-template-columns: 1fr; gap: .25rem; }
}