/* ===========================================================
   真题99 · HX Design System
   =========================================================== */
:root {
  --hx-accent: #e8420a;
  --hx-accent-d: #c5360a;
  --hx-accent-soft: #fff1ea;
  --hx-ink: #1f2329;
  --hx-sub: #6b7280;
  --hx-bg: #f6f7f9;
  --hx-card: #ffffff;
  --hx-line: #ececf0;
  --hx-radius: 14px;
  --hx-radius-sm: 10px;
  --hx-max: 1180px;
  --hx-nav-h: 62px;
  --hx-font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--hx-font);
  color: var(--hx-ink);
  background: var(--hx-bg);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--hx-accent); text-decoration: none; }
a:hover { color: var(--hx-accent-d); }

/* hide Astra default chrome (we inject our own) */
.ast-header-builder, .site-header, #masthead, .ast-footer, .site-footer,
.ast-footer-overlay, #colophon, .ast-header-sticked, .ast-primary-header-bar,
.ast-main-header-bar-alignment, header.site-header { display: none !important; }
/* hide Astra-rendered page title (we use our own headings for single H1 + SEO) */
.entry-title, .ast-single-post .entry-title, .page .entry-title,
.ast-archive-title, .ast-page-title { display: none !important; }
/* let our content breathe */
.ast-single-post .entry-content, .ast-article-single, .site-content .ast-container,
#primary, #main, .ast-row, .site-main { padding: 0 !important; margin: 0 !important; width: 100% !important; max-width: 100% !important; }
.ast-single-post .site-content, .blog .site-content, .archive .site-content { padding: 0 !important; }

/* ---------- layout helpers ---------- */
.hx-container { max-width: var(--hx-max); margin: 0 auto; padding: 0 20px; }
.hx-section { padding: 48px 0; }
.hx-section--tight { padding: 30px 0; }

/* ---------- NAV ---------- */
.hx-nav {
  position: sticky; top: 0; z-index: 999;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--hx-line);
}
.hx-nav__inner {
  max-width: var(--hx-max); margin: 0 auto; height: var(--hx-nav-h);
  display: flex; align-items: center; gap: 18px; padding: 0 20px;
}
.hx-logo {
  font-size: 22px; font-weight: 800; color: var(--hx-ink); letter-spacing: .5px;
  flex: 0 0 auto;
}
.hx-logo span { color: var(--hx-accent); }
.hx-nav__menu { flex: 1 1 auto; overflow-x: auto; }
.hx-menu {
  list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; align-items: center;
}
.hx-menu li { margin: 0; }
.hx-menu a {
  display: inline-block; padding: 8px 12px; border-radius: 8px;
  color: var(--hx-ink); font-weight: 600; font-size: 15px; white-space: nowrap;
  transition: background .15s, color .15s;
}
.hx-menu a:hover { background: var(--hx-accent-soft); color: var(--hx-accent); }
.hx-nav__search { flex: 0 0 auto; display: flex; }
.hx-nav__search input {
  width: 220px; max-width: 38vw; padding: 9px 12px; border: 1px solid var(--hx-line);
  border-right: none; border-radius: 8px 0 0 8px; font-size: 14px; outline: none;
  font-family: var(--hx-font);
}
.hx-nav__search input:focus { border-color: var(--hx-accent); }
.hx-nav__search button {
  padding: 9px 16px; border: none; background: var(--hx-accent); color: #fff;
  border-radius: 0 8px 8px 0; cursor: pointer; font-size: 14px; font-weight: 600;
}
.hx-nav__search button:hover { background: var(--hx-accent-d); }

/* ---------- HERO ---------- */
.hx-hero {
  background: linear-gradient(135deg, #fff6f1 0%, #ffe9e0 100%);
  border-bottom: 1px solid var(--hx-line);
}
.hx-hero__inner { max-width: var(--hx-max); margin: 0 auto; padding: 70px 20px 64px; text-align: center; }
.hx-hero__title {
  font-size: clamp(30px, 5vw, 46px); font-weight: 800; margin: 0 0 14px;
  color: var(--hx-ink); line-height: 1.25;
}
.hx-hero__title em { color: var(--hx-accent); font-style: normal; }
.hx-hero__sub { font-size: 17px; color: var(--hx-sub); margin: 0 auto 30px; max-width: 640px; }
.hx-hero__search {
  display: flex; max-width: 560px; margin: 0 auto; background: #fff;
  border-radius: 999px; box-shadow: 0 12px 30px rgba(232,66,10,.14); overflow: hidden;
  border: 1px solid var(--hx-line);
}
.hx-hero__search input {
  flex: 1 1 auto; border: none; outline: none; padding: 16px 22px; font-size: 16px;
  font-family: var(--hx-font); background: transparent;
}
.hx-hero__search button {
  border: none; background: var(--hx-accent); color: #fff; padding: 0 28px;
  font-size: 16px; font-weight: 700; cursor: pointer;
}
.hx-hero__search button:hover { background: var(--hx-accent-d); }
.hx-hero__hint { margin: 16px 0 0; font-size: 13px; color: var(--hx-sub); }
.hx-hero__hint a { color: var(--hx-accent); margin: 0 6px; }

/* ---------- SECTION HEADING ---------- */
.hx-h2 {
  font-size: 26px; font-weight: 800; text-align: center; margin: 0 0 6px; color: var(--hx-ink);
}
.hx-h2__sub { text-align: center; color: var(--hx-sub); margin: 0 0 30px; font-size: 15px; }

/* ---------- CATEGORY GRID (homepage) ---------- */
.hx-cat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.hx-cat-card {
  background: var(--hx-card); border: 1px solid var(--hx-line); border-radius: var(--hx-radius);
  padding: 26px 22px; transition: transform .18s, box-shadow .18s, border-color .18s;
  display: flex; flex-direction: column; gap: 8px;
}
.hx-cat-card:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(0,0,0,.08); border-color: #ffd9cb; }
.hx-cat-card__icon {
  width: 52px; height: 52px; border-radius: 14px; background: var(--hx-accent-soft);
  display: flex; align-items: center; justify-content: center; font-size: 26px;
}
.hx-cat-card__title { font-size: 19px; font-weight: 800; color: var(--hx-ink); margin: 4px 0 0; }
.hx-cat-card__desc { font-size: 13.5px; color: var(--hx-sub); line-height: 1.6; }
.hx-cat-card__count { font-size: 12.5px; color: var(--hx-accent); font-weight: 700; margin-top: auto; }

/* ---------- SUBCAT LIST (category page) ---------- */
.hx-sub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hx-sub-item {
  background: var(--hx-card); border: 1px solid var(--hx-line); border-radius: var(--hx-radius-sm);
  padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  transition: border-color .15s, box-shadow .15s;
}
.hx-sub-item:hover { border-color: #ffd9cb; box-shadow: 0 8px 20px rgba(0,0,0,.06); }
.hx-sub-item__name { font-weight: 700; color: var(--hx-ink); font-size: 15.5px; }
.hx-sub-item__go { color: var(--hx-accent); font-size: 13px; font-weight: 700; white-space: nowrap; }

/* ---------- ARTICLE (sub-category SEO page) ---------- */
.hx-article { max-width: 820px; margin: 0 auto; padding: 40px 20px 10px; }
.hx-article__crumb { font-size: 13px; color: var(--hx-sub); margin-bottom: 14px; }
.hx-article__crumb a { color: var(--hx-sub); }
.hx-article__crumb a:hover { color: var(--hx-accent); }
.hx-article h1 {
  font-size: clamp(26px, 4vw, 34px); font-weight: 800; margin: 0 0 10px; line-height: 1.3; color: var(--hx-ink);
}
.hx-article__lead { font-size: 16px; color: var(--hx-sub); margin: 0 0 26px; }
.hx-sec {
  background: var(--hx-card); border: 1px solid var(--hx-line); border-radius: var(--hx-radius);
  padding: 20px 22px; margin: 0 0 16px;
}
.hx-sec__head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.hx-sec__no {
  flex: 0 0 auto; width: 28px; height: 28px; border-radius: 8px; background: var(--hx-accent);
  color: #fff; font-weight: 800; font-size: 14px; display: flex; align-items: center; justify-content: center;
}
.hx-sec__title { font-size: 18px; font-weight: 800; margin: 0; color: var(--hx-ink); }
.hx-sec p { margin: 6px 0 0; color: #2b2f36; }
.hx-sec ul { margin: 8px 0 0; padding-left: 20px; }
.hx-sec li { margin: 4px 0; }
.hx-article table { width: 100%; border-collapse: collapse; margin: 10px 0 0; font-size: 14px; }
.hx-article th, .hx-article td { border: 1px solid var(--hx-line); padding: 9px 12px; text-align: left; }
.hx-article th { background: var(--hx-accent-soft); color: var(--hx-ink); font-weight: 700; }
.hx-tip {
  background: var(--hx-accent-soft); border-left: 4px solid var(--hx-accent);
  border-radius: 0 10px 10px 0; padding: 12px 16px; margin: 14px 0 0; font-size: 14.5px; color: #7a3a23;
}
.hx-product-block { margin: 30px 0 10px; }
.hx-product-block__title { font-size: 22px; font-weight: 800; margin: 0 0 4px; }
.hx-product-block__sub { color: var(--hx-sub); font-size: 14px; margin: 0 0 4px; }

/* ---------- PRODUCT CARDS (enhance shortcode) ---------- */
:root { --hx-accent: #e8420a; --hx-accent-d: #c5360a; }
.hx-product-list { margin: 22px 0; }
.hx-product-card { border-color: var(--hx-line); }
.hx-product-title a { color: var(--hx-ink); }
.hx-product-price { color: var(--hx-accent); }

/* ---------- FOOTER ---------- */
.hx-footer { background: #1f2329; color: #c9ced6; margin-top: 50px; }
.hx-footer__inner {
  max-width: var(--hx-max); margin: 0 auto; padding: 40px 20px 26px;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 28px;
}
.hx-footer__logo { font-size: 22px; font-weight: 800; color: #fff; }
.hx-footer__logo span { color: var(--hx-accent); }
.hx-footer__desc { font-size: 14px; line-height: 1.7; margin: 10px 0 0; max-width: 360px; }
.hx-footer__col h4 { color: #fff; font-size: 15px; margin: 0 0 12px; }
.hx-footer__col a { display: block; color: #c9ced6; font-size: 14px; padding: 4px 0; }
.hx-footer__col a:hover { color: #fff; }
.hx-footer__col p { margin: 4px 0; font-size: 14px; }
.hx-footer__copy { text-align: center; font-size: 13px; color: #8a9099; border-top: 1px solid #2c313a; padding: 16px 20px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px) {
  .hx-cat-grid { grid-template-columns: repeat(2, 1fr); }
  .hx-sub-grid { grid-template-columns: repeat(2, 1fr); }
  .hx-footer__inner { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .hx-nav__search input { width: 130px; }
  .hx-menu a { padding: 8px 9px; font-size: 14px; }
  .hx-cat-grid { grid-template-columns: 1fr; }
  .hx-sub-grid { grid-template-columns: 1fr; }
  .hx-hero__inner { padding: 48px 18px 44px; }
  .hx-product-list { grid-template-columns: repeat(2, minmax(0,1fr)) !important; }
}