/* =====================================================================
   Tử Vi — hệ thống giao diện "sổ mệnh bàn"
   Ba mực in trên giấy dó: mực nho, son, đồng xanh.
   ===================================================================== */

:root {
  --giay: #e9e7dd;          /* giấy dó */
  --giay-cao: #f3f1e8;      /* trang giấy mới */
  --giay-lui: #e0ddd1;      /* giấy ngả */
  --muc: #1b2430;           /* mực nho */
  --muc-nhat: #5a6474;      /* mực pha */
  --son: #9e2f26;           /* son */
  --son-dam: #7c2019;
  --dong: #5f7060;          /* đồng xanh */
  --vang: #a98a44;          /* vàng thếp */
  --line: rgba(27, 36, 48, .14);
  --line-dam: rgba(27, 36, 48, .34);
  --serif: 'Literata', 'Times New Roman', Georgia, serif;
  --sans: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --measure: 66ch;

  /* tên cũ, ánh xạ sang bảng mực mới */
  --ink: var(--muc);
  --muted: var(--muc-nhat);
  --green: var(--dong);
  --blue: #55607a;
  --gold: var(--vang);
  --maroon: var(--son);
  --card: var(--giay-cao);
  --paper: var(--giay);
}

/* Bài thơ quẻ */
.verse {
  margin: 0 0 18px;
  padding: 18px 22px;
  border-left: 2px solid var(--son);
  background: rgba(255, 255, 255, .38);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 2;
  color: #37414f;
}

/* Dấu ấn lớn */
.seal-big {
  width: 76px; height: 76px;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  border: 1px solid var(--son);
  box-shadow: inset 0 0 0 3px var(--giay-cao), inset 0 0 0 4px rgba(158, 47, 38, .4);
  color: var(--son);
  font-family: var(--serif);
  font-size: 22px;
  transform: rotate(-2deg);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--giay);
  background-image:
    radial-gradient(1100px 520px at 12% -12%, rgba(169, 138, 68, .10), transparent 62%),
    radial-gradient(900px 480px at 102% 2%, rgba(95, 112, 96, .12), transparent 58%),
    repeating-linear-gradient(90deg, rgba(27, 36, 48, .018) 0 1px, transparent 1px 7px);
  color: var(--muc);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--son); text-decoration: none; text-underline-offset: 3px; }
a:hover { color: var(--son-dam); }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }
hr { border: 0; border-top: 1px solid var(--line); }

/* ---------------- Kiểu chữ ---------------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -.012em;
  margin: 0 0 .5em;
  color: var(--muc);
}
h1 { font-size: clamp(34px, 4.4vw, 54px); line-height: 1.06; }
h2 { font-size: clamp(24px, 2.6vw, 33px); }
h3 { font-size: 20px; }
h4 { font-size: 16px; }
strong, b { font-weight: 600; }
small { font-size: .82em; }

:focus-visible {
  outline: 2px solid var(--son);
  outline-offset: 3px;
}

::selection { background: rgba(158, 47, 38, .16); }

/* ---------------- Khung trang ---------------- */
.wrap { width: min(1160px, 100% - 56px); margin-inline: auto; }
.stack { display: grid; gap: 22px; }

/* ---------------- Thanh trên ---------------- */
.topbar {
  background: var(--muc);
  color: #cbc6b6;
  font-size: 12px;
  letter-spacing: .01em;
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; min-height: 36px; flex-wrap: wrap;
}
.topbar a { color: #e4dfcf; }
.topbar a:hover { color: #fff; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 0; flex-wrap: wrap; }
.topbar strong { color: #f4f1e6; font-weight: 500; }
.tb-item { display: inline-flex; align-items: center; white-space: nowrap; }
.tb-item + .tb-item { margin-left: 13px; padding-left: 13px; position: relative; }
.tb-item + .tb-item::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 1px; height: 11px; background: rgba(203, 198, 182, .35);
}

/* ---------------- Đầu trang ---------------- */
.header { border-bottom: 1px solid var(--line); }
.header .wrap {
  display: flex; align-items: center; gap: 28px; padding: 18px 0;
}
.brand { display: flex; align-items: center; gap: 13px; color: var(--muc); }
.brand:hover { color: var(--muc); }
.brand-logo {
  width: 46px; height: 46px; flex: none;
  display: block; object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(27, 36, 48, .18));
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--serif); font-size: 22px; font-weight: 600; letter-spacing: -.01em; }
.brand-tag { font-family: var(--serif); font-style: italic; font-size: 12px; color: var(--muc-nhat); }

.header-actions { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.search { position: relative; display: flex; align-items: center; }
.search input {
  width: 232px; padding: 9px 36px 9px 12px;
  border: 1px solid var(--line-dam); border-radius: 2px;
  background: rgba(255, 255, 255, .4);
  font-family: inherit; font-size: 13px; color: var(--muc);
  outline: none; transition: border-color .18s, background .18s;
}
.search input::placeholder { color: rgba(90, 100, 116, .75); }
.search input:focus { border-color: var(--son); background: #fff; }
.search button {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  border: 0; background: transparent; cursor: pointer; padding: 6px;
  color: var(--muc-nhat); display: grid; place-items: center;
}
.search button:hover { color: var(--son); }


/* ---------------- Điều hướng ---------------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: var(--giay-cao);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--muc);
}
.nav .wrap { display: flex; align-items: center; gap: 8px; }
.nav-list { display: flex; align-items: stretch; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 13px 14px; font-size: 14px; color: var(--muc);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--son); border-bottom-color: rgba(158, 47, 38, .35); }
.nav-link.active { color: var(--son); border-bottom-color: var(--son); font-weight: 500; }
.nav-link .caret { font-size: 8px; opacity: .55; }
.nav-drop {
  position: absolute; top: 100%; left: 0; min-width: 250px;
  background: var(--giay-cao);
  border: 1px solid var(--muc);
  border-top: 2px solid var(--son);
  padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
  box-shadow: 0 14px 26px rgba(27, 36, 48, .12);
  z-index: 70;
}
.nav-item:hover .nav-drop, .nav-item.open .nav-drop { opacity: 1; visibility: visible; transform: none; }
.nav-drop a {
  display: block; padding: 8px 10px; font-size: 13.5px; color: var(--muc);
}
.nav-drop a:hover { color: var(--son); background: rgba(27, 36, 48, .05); }
.nav-cta {
  margin-left: auto;
  display: inline-flex; align-items: center;
  background: var(--son); color: #f6efe2;
  font-size: 13px; font-weight: 500;
  padding: 8px 15px;
  border: 1px solid var(--son-dam);
}
.nav-cta:hover { background: var(--son-dam); color: #fff; }
.menu-toggle {
  display: none;
  border: 1px solid var(--line-dam); background: transparent;
  color: var(--muc); padding: 8px 11px; cursor: pointer; margin-left: auto;
  font-size: 13px;
}

/* ---------------- Bìa ---------------- */
.hero { padding: 64px 0 54px; }
.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: 58px;
  align-items: end;
}
.kicker {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--son);
  margin: 0 0 18px;
  display: flex; align-items: center; gap: 12px;
}
.kicker::before {
  content: '';
  width: 34px; height: 1px;
  background: var(--son);
  flex: none;
}
.hero h1 { margin-bottom: 20px; }
.hero-lead {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.75;
  color: #37414f;
  max-width: 46ch;
  margin-bottom: 26px;
}
.hero-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }

/* Ô lịch hôm nay */
.almanac {
  position: relative;
  background: var(--giay-cao);
  border: 1px solid var(--muc);
  box-shadow: inset 0 0 0 3px var(--giay-cao), inset 0 0 0 4px rgba(27, 36, 48, .18);
  padding: 22px 24px 18px;
}
.almanac-top {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.almanac-k { font-family: var(--serif); font-style: italic; font-size: 13px; color: var(--muc-nhat); }
.almanac-wd { font-size: 11.5px; color: var(--muc-nhat); }
.almanac-main { display: flex; align-items: flex-start; gap: 16px; padding: 16px 0 14px; }
.almanac-num {
  font-family: var(--serif); font-size: 72px; line-height: .82;
  color: var(--son); letter-spacing: -.03em;
  min-width: 92px;
}
.almanac-side { display: grid; gap: 4px; padding-top: 6px; }
.almanac-month { font-family: var(--serif); font-size: 16px; margin: 0; color: var(--muc); }
.almanac-solar { font-size: 12.5px; color: var(--muc-nhat); margin: 0; }
.almanac-day { font-size: 12.5px; color: var(--muc-nhat); margin: 0; }
.almanac-row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding: 9px 0; border-top: 1px solid var(--line);
  font-size: 12.5px;
}
.almanac-row span:first-child { color: var(--muc-nhat); flex: none; }
.almanac-row span:last-child { text-align: right; color: var(--muc); }
.almanac-link {
  display: inline-block; margin-top: 6px;
  font-size: 13px; color: var(--son);
  border-bottom: 1px solid rgba(158, 47, 38, .35);
  padding-bottom: 1px;
}
.almanac-link:hover { border-bottom-color: var(--son); }

/* ---------------- Phiếu lập số ---------------- */
.slip-band { padding: 0 0 10px; }
.slip {
  background: var(--giay-cao);
  border: 1px solid var(--line-dam);
  border-top: 2px solid var(--muc);
  padding: 22px 26px 24px;
  position: relative;
}
.slip::after {
  content: '';
  position: absolute; inset: 4px;
  border: 1px solid rgba(27, 36, 48, .07);
  pointer-events: none;
}
.slip-head {
  display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap;
  margin-bottom: 18px; padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.slip-head h2 { font-size: 21px; margin: 0; }
.slip-head p { margin: 0; font-size: 12.5px; color: var(--muc-nhat); }
.slip-fields {
  display: grid;
  grid-template-columns: 1.1fr 1.85fr .8fr .9fr 1fr auto;
  gap: 14px;
  align-items: end;
}
.date-row { display: grid; grid-template-columns: .75fr 1.05fr 1.1fr; gap: 5px; }
.date-row select { padding: 9px 6px; font-size: 12.5px; }
.form-note { margin: 14px 0 0; font-size: 11.5px; color: var(--muc-nhat); }

/* ---------------- Biểu mẫu ---------------- */
.form-grid { display: grid; gap: 14px; }
.form-row { display: grid; gap: 14px; }
.form-row.two { grid-template-columns: 1fr 1fr; }
.form-row.three { grid-template-columns: .95fr 1.1fr 1fr; gap: 8px; }
.form-row.three select, .date-row select { font-size: 12.5px; padding: 9px 5px; }
.field label {
  display: block;
  font-size: 11.5px; font-weight: 500;
  color: var(--muc-nhat);
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 9px 11px;
  font-family: inherit; font-size: 13.5px;
  color: var(--muc);
  background: rgba(255, 255, 255, .55);
  border: 1px solid var(--line-dam);
  border-radius: 2px;
  outline: none;
  transition: border-color .16s, background .16s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--son);
  background: #fff;
}
.field input::placeholder { color: rgba(90, 100, 116, .6); }
.radio-row { display: flex; gap: 8px; }
.radio-pill {
  flex: 1; text-align: center;
  padding: 8px 6px;
  border: 1px solid var(--line-dam);
  border-radius: 2px;
  cursor: pointer;
  font-size: 13px;
  color: var(--muc-nhat);
  background: rgba(255, 255, 255, .4);
  transition: .16s;
}
.radio-pill { position: relative; }
.radio-pill input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.radio-pill:has(input:checked) {
  border-color: var(--son);
  background: rgba(158, 47, 38, .07);
  color: var(--son-dam);
  font-weight: 500;
}

/* ---------------- Nút ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 13.5px; font-weight: 500;
  padding: 11px 22px;
  transition: background .16s, color .16s, border-color .16s;
}
.btn-primary {
  background: var(--son);
  border-color: var(--son-dam);
  color: #f7f1e4;
}
.btn-primary:hover { background: var(--son-dam); color: #fff; }
.btn-gold { background: var(--vang); border-color: #8f7231; color: #241a05; }
.btn-gold:hover { background: #96783a; color: #1b1304; }
.btn-ghost, .btn-line {
  background: transparent;
  border-color: var(--line-dam);
  color: var(--muc);
}
.btn-ghost:hover, .btn-line:hover { border-color: var(--son); color: var(--son); }
.btn-full { width: 100%; }
.btn-sm { padding: 7px 13px; font-size: 12.5px; }
.hint { font-size: 12px; color: var(--muc-nhat); margin: 10px 0 0; }

/* ---------------- Khối nội dung ---------------- */
.section { padding: 54px 0; }
.section.tight { padding: 34px 0; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 24px;
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--muc);
}
.section-head.center { flex-direction: column; align-items: flex-start; gap: 4px; }
.section-title { margin: 0; }
.section-sub, .section-note { color: var(--muc-nhat); font-size: 13.5px; margin: 4px 0 0; max-width: 62ch; }
.link-more {
  font-size: 13px; color: var(--son); white-space: nowrap;
  border-bottom: 1px solid rgba(158, 47, 38, .4);
  padding-bottom: 1px;
}
.link-more:hover { border-bottom-color: var(--son); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

/* Mục lục công cụ */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 52px;
  border-top: 1px solid var(--line-dam);
}
.feature-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px 4px 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muc);
  transition: background .16s;
}
.feature-card:hover { color: var(--muc); background: rgba(255, 255, 255, .32); }
.feature-icon {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid rgba(158, 47, 38, .55);
  color: var(--son);
  font-family: var(--serif);
  font-size: 13px; font-weight: 600;
  letter-spacing: 0;
  background: rgba(255, 255, 255, .35);
}
.feature-card h3 {
  font-family: var(--serif);
  font-size: 17px; font-weight: 600;
  margin: 2px 0 3px;
  color: var(--muc);
}
.feature-card:hover h3 { color: var(--son-dam); }
.feature-card p { margin: 0; font-size: 13px; color: var(--muc-nhat); line-height: 1.55; }

/* ---------------- Thẻ, khối phụ ---------------- */
.panel {
  background: var(--giay-cao);
  border: 1px solid var(--line-dam);
}
.panel-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.panel-head h2, .panel-head h3 { margin: 0; }
.panel-head p { margin: 4px 0 0; font-size: 12.5px; color: var(--muc-nhat); }
.panel-body { padding: 20px; }

.today-card { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: center; }
.lunar-big {
  width: 96px; height: 96px;
  display: grid; place-content: center; text-align: center;
  border: 1px solid var(--muc);
  color: var(--son);
  font-family: var(--serif);
}
.lunar-big .d { font-size: 36px; line-height: 1; }
.lunar-big .m { font-size: 10.5px; color: var(--muc-nhat); margin-top: 4px; }
.today-info h3 { margin: 0 0 4px; font-size: 18px; }
.today-info p { margin: 0 0 5px; font-size: 13px; color: var(--muc-nhat); }

.tag {
  display: inline-block;
  font-size: 11.5px;
  padding: 3px 9px;
  border: 1px solid var(--line-dam);
  border-radius: 2px;
  color: var(--muc-nhat);
  background: transparent;
}
.tag.gold { border-color: rgba(169, 138, 68, .55); color: #6f5520; background: rgba(169, 138, 68, .08); }
.tag.maroon { border-color: rgba(158, 47, 38, .45); color: var(--son-dam); background: rgba(158, 47, 38, .05); }
.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------------- Bài viết ---------------- */
.article-list { display: grid; }
.article-card {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--line);
  color: var(--muc);
}
.article-card:first-child { border-top: 1px solid var(--line); }
.article-card:hover { color: var(--muc); background: rgba(255, 255, 255, .3); }
.article-thumb {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  border: 1px solid rgba(158, 47, 38, .45);
  color: var(--son);
  font-family: var(--serif);
  font-size: 15px; font-weight: 600;
  background: rgba(255, 255, 255, .35);
}
.article-card:nth-child(3n+2) .article-thumb { border-color: rgba(95, 112, 96, .5); color: var(--dong); }
.article-card:nth-child(3n+3) .article-thumb { border-color: rgba(169, 138, 68, .55); color: #7d6229; }
.article-card h3 {
  font-family: var(--serif);
  font-size: 17px; font-weight: 600;
  line-height: 1.38;
  margin: 0 0 5px;
}
.article-card:hover h3 { color: var(--son-dam); }
.article-card .meta {
  display: flex; gap: 14px; flex-wrap: wrap;
  font-size: 11.5px; color: var(--muc-nhat);
}
.article-card .meta span + span { position: relative; padding-left: 15px; }
.article-card .meta span + span::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 5px; height: 1px; background: var(--line-dam);
}
.article-card p.excerpt {
  margin: 6px 0 0; font-size: 13px; color: var(--muc-nhat);
  line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ---------------- Lá số ---------------- */
.chart-shell { overflow-x: auto; }
.chart-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-rows: repeat(4, minmax(152px, auto));
  gap: 1px;
  background: var(--line-dam);
  border: 1px solid var(--muc);
  min-width: 700px;
}
.palace {
  background: var(--giay-cao);
  padding: 9px 10px 10px;
  position: relative;
  display: flex; flex-direction: column; gap: 5px;
  overflow: hidden;
}
.palace-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 6px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
}
.palace-name {
  font-family: var(--sans);
  font-size: 10.5px; font-weight: 600;
  letter-spacing: .04em;
  color: var(--son);
}
.palace-chi { font-size: 10.5px; color: var(--muc-nhat); }
.palace.is-menh { background: #f7f2e2; }
.palace.is-menh::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--son);
}
.palace.is-than .palace-chi::after { content: ' · Thân'; color: var(--son); font-weight: 600; }
.palace.is-tamhop { background: #f1eee0; }
.palace.is-xung { background: #eeece2; }
.star-list { display: flex; flex-wrap: wrap; gap: 2px 9px; align-items: baseline; }
.star { font-size: 11.5px; color: var(--muc-nhat); white-space: nowrap; }
.star.chinh { color: var(--muc); font-weight: 600; font-size: 12px; }
.star.cat { color: var(--dong); }
.star.hung { color: var(--son-dam); }
.star.trung { color: #55607a; }
.star.trangsinh { color: #8b7b53; font-style: italic; }
.palace-foot {
  margin-top: auto;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 10px; color: var(--muc-nhat);
  padding-top: 4px;
}
.palace-foot .dh { color: var(--son-dam); font-weight: 500; }
.mini-flag {
  font-size: 9px; padding: 0 4px;
  border: 1px solid var(--line-dam);
}
.flag-tuan { color: #7a5f20; border-color: rgba(169, 138, 68, .5); }
.flag-triet { color: var(--son-dam); border-color: rgba(158, 47, 38, .35); }
.chart-center {
  background: var(--giay-cao);
  padding: 14px 12px;
  display: flex; flex-direction: column; gap: 6px;
  align-items: center; text-align: center; justify-content: center;
}
.chart-center h3 { margin: 0; font-size: 21px; color: var(--muc); }
.chart-center .name { font-family: var(--serif); font-size: 15px; }
.chart-center .rows { display: grid; gap: 2px; font-size: 11.5px; color: var(--muc-nhat); }
.chart-center .rows b { color: var(--muc); font-weight: 500; }
.chart-center .seal {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--son);
  color: var(--son);
  font-family: var(--serif); font-size: 9.5px;
  letter-spacing: .02em;
  background: transparent;
  margin-top: 4px;
  transform: rotate(-2deg);
}

/* Tóm tắt lá số */
.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line-dam); }
.kv {
  padding: 13px 16px 13px 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
}
.kv + .kv { border-left: 1px solid var(--line); padding-left: 16px; }
.kv .k { font-size: 11px; color: var(--muc-nhat); }
.kv .v { font-family: var(--serif); font-size: 15.5px; font-weight: 600; margin-top: 3px; }
.kv .v small {
  display: block;
  margin-top: 3px;
  line-height: 1.45;
  font-family: var(--sans);
  font-weight: 400;
  color: var(--muc-nhat);
  font-size: 11.5px;
}

/* ---------------- Nội dung dài ---------------- */
.prose { max-width: var(--measure); }
.prose h3 { font-size: 20px; margin-top: 1.5em; }
.prose h4 { font-size: 15.5px; margin-top: 1.3em; font-family: var(--sans); font-weight: 600; }
.prose p { color: #37414f; font-family: var(--serif); font-size: 16px; line-height: 1.78; }
.prose blockquote {
  margin: 22px 0;
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--son);
  font-family: var(--serif);
  font-style: italic;
  color: #37414f;
}
.prose ul { list-style: none; padding-left: 0; margin: 0 0 1em; }
.prose li {
  position: relative;
  padding-left: 18px;
  margin-bottom: .5em;
  color: #37414f;
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.7;
}
.prose li::before {
  content: '';
  position: absolute; left: 0; top: .72em;
  width: 7px; height: 1px; background: var(--son);
}

/* ---------------- Lịch ---------------- */
.calendar-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.cal-nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cal-nav button {
  width: 30px; height: 32px;
  border: 1px solid var(--line-dam);
  background: transparent;
  cursor: pointer;
  color: var(--muc);
  font-size: 14px;
}
.cal-nav button:hover { border-color: var(--son); color: var(--son); }
.cal-title { font-family: var(--serif); font-size: 20px; min-width: 180px; text-align: center; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; margin-top: 16px; background: var(--line); }
.cal-dow {
  text-align: center;
  font-size: 11px;
  color: var(--muc-nhat);
  padding: 7px 0;
  background: var(--giay-cao);
}
.cal-cell {
  min-height: 76px;
  background: var(--giay-cao);
  padding: 6px 7px;
  display: flex; flex-direction: column; gap: 2px;
  position: relative;
  transition: background .14s;
}
.cal-cell:hover { background: #fbf8ec; }
.cal-cell.muted { background: rgba(224, 221, 209, .55); color: #9a9585; }
.cal-cell.today { box-shadow: inset 0 0 0 1px var(--son); }
.cal-cell .sd { font-family: var(--serif); font-size: 14px; font-weight: 600; }
.cal-cell .ld { font-size: 10.5px; color: var(--muc-nhat); }
.cal-cell.first-lunar .ld { color: var(--son); font-weight: 600; }
.cal-cell.muted .ld { color: #a8a294; }
.cal-cell .cc { font-size: 9.5px; color: var(--muc-nhat); margin-top: auto; }
.cal-cell.muted .cc { color: #b3ada0; }

/* ---------------- Bảng & số liệu ---------------- */
.data-rows { display: grid; }
.data-row {
  display: grid; grid-template-columns: 150px 1fr; gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}
.data-row:last-child { border-bottom: 0; }
.data-row .k { color: var(--muc-nhat); font-size: 12.5px; }

.palace-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.palace-table th, .palace-table td {
  text-align: left; padding: 9px 12px 9px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.palace-table th {
  font-size: 11px; font-weight: 500; color: var(--muc-nhat);
  border-bottom: 1px solid var(--line-dam);
}
.palace-table td b { font-weight: 600; color: var(--muc); }
.palace-table tbody tr:hover { background: rgba(255, 255, 255, .28); }

.result-hero { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.result-hero h3 { font-size: 24px; }
.result-score {
  width: 86px; height: 86px;
  display: grid; place-content: center; text-align: center;
  border: 1px solid var(--son);
  color: var(--son);
}
.result-score b { font-family: var(--serif); font-size: 27px; line-height: 1; }
.result-score span { font-size: 10px; color: var(--muc-nhat); margin-top: 3px; }

.dh-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.dh-item { background: var(--giay-cao); padding: 9px 11px; font-size: 12.5px; }
.dh-item .a { font-size: 11px; color: var(--muc-nhat); }
.dh-item b { font-weight: 500; }
.dh-item.cur { background: #f8f1de; box-shadow: inset 2px 0 0 var(--son); }

.legend { display: flex; gap: 18px; flex-wrap: wrap; font-size: 12px; color: var(--muc-nhat); }
.legend i { display: inline-block; width: 7px; height: 7px; margin-right: 6px; vertical-align: middle; }
.select-inline { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.select-inline select {
  padding: 7px 9px; border: 1px solid var(--line-dam); border-radius: 2px;
  font-family: inherit; font-size: 13px; background: rgba(255, 255, 255, .5); color: var(--muc);
}

/* ---------------- Trang bài viết ---------------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 34px;
  align-items: start;
}
.article-hero { padding: 34px 0 6px; }
.breadcrumb { font-size: 12px; color: var(--muc-nhat); display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.breadcrumb a { color: var(--muc-nhat); border-bottom: 1px solid var(--line-dam); }
.breadcrumb a:hover { color: var(--son); border-bottom-color: var(--son); }
.article-title { font-size: clamp(28px, 3.4vw, 42px); max-width: 26ch; }
.article-hero { max-width: 74ch; }
.toc { display: grid; gap: 2px; }
.toc a {
  display: block;
  font-size: 13px;
  color: var(--muc);
  padding: 5px 0 5px 12px;
  border-left: 1px solid var(--line-dam);
}
.toc a:hover { color: var(--son); border-left-color: var(--son); }
.prose h2 {
  font-size: 24px;
  margin-top: 1.8em;
  padding-top: .5em;
  border-top: 1px solid var(--line);
}
.prose h2:first-of-type { margin-top: 1.4em; }
.prose table { margin: 18px 0 22px; }
.prose td, .prose th { font-family: var(--sans); font-size: 13px; }
.prose h2 + p, .prose h3 + p { margin-top: .2em; }
.article-meta { display: flex; gap: 18px; font-size: 12.5px; color: var(--muc-nhat); flex-wrap: wrap; }

/* ---------------- Nốt chú ---------------- */
.notice {
  border-left: 2px solid var(--vang);
  background: rgba(169, 138, 68, .07);
  padding: 10px 14px;
  font-size: 12.5px;
  color: #5f4f2c;
}
.empty { text-align: center; color: var(--muc-nhat); font-size: 13.5px; padding: 26px 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.reveal { opacity: 1; transform: none; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-3 { margin-top: 18px; } .mt-4 { margin-top: 26px; }
.text-center { text-align: center; }

/* ---------------- Trang công cụ ---------------- */
.band { padding: 40px 0 10px; }
.band h1 { font-size: clamp(30px, 3.6vw, 44px); margin-bottom: 10px; }
.band p { color: #37414f; max-width: 72ch; font-family: var(--serif); font-size: 15.5px; }
.layout-side { display: grid; grid-template-columns: 356px minmax(0, 1fr); gap: 32px; align-items: start; }
.layout-side > .side { position: sticky; top: 78px; }
.seal-line { display: flex; align-items: center; gap: 12px; font-family: var(--serif); color: var(--son); }
.seal-line::before, .seal-line::after { content: ''; height: 1px; background: var(--line); flex: 1; }

/* ---------------- Chân trang ---------------- */
.footer {
  margin-top: 48px;
  background: var(--muc);
  color: #c6c1b1;
  padding: 46px 0 0;
  border-top: 2px solid var(--son);
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 34px; }
.footer h4 {
  font-family: var(--sans);
  font-size: 12.5px; font-weight: 500;
  color: #e8e2d2;
  margin-bottom: 12px;
}
.footer a { color: #c6c1b1; font-size: 13.5px; }
.footer a:hover { color: #fff; }
.footer li { margin-bottom: 6px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer .brand-logo { width: 40px; height: 40px; }
.footer .brand-name { color: #f2ede0; }
.footer .brand-tag { color: #9d9889; }
.footer p { font-size: 13px; line-height: 1.75; color: #a9a494; }
.footer-bottom {
  margin-top: 30px;
  border-top: 1px solid rgba(198, 193, 177, .18);
  padding: 15px 0;
  font-size: 11.5px;
  color: #918c7d;
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}

.cta-band {
  display: flex; align-items: center; justify-content: space-between; gap: 22px; flex-wrap: wrap;
  background: var(--giay-cao);
  border: 1px solid var(--line-dam);
  border-left: 3px solid var(--son);
  padding: 24px 26px;
}

/* ---------------- Chuyển động ---------------- */
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.hero-copy { animation: rise .8s cubic-bezier(.2, .7, .2, 1) both; }
.masthead .almanac { animation: rise .8s cubic-bezier(.2, .7, .2, 1) .1s both; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1080px) {
  .masthead { grid-template-columns: 1fr; gap: 34px; align-items: start; }
  .almanac { max-width: 420px; }
  .slip-fields { grid-template-columns: 1fr 1fr 1fr; row-gap: 14px; }
  .slip-fields .field:first-child { grid-column: 1 / -1; }
  .slip-fields > .btn { grid-column: 1 / -1; }
  .layout-side { grid-template-columns: 1fr; }
  .layout-side > .side { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .dh-grid { grid-template-columns: repeat(3, 1fr); }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .kv:nth-child(3) { border-left: 0; padding-left: 0; }
  .search input { width: 176px; }
}

@media (max-width: 900px) {
  .header .wrap { gap: 16px; padding: 14px 0; }
  .nav .wrap { flex-wrap: wrap; padding: 0; }
  .menu-toggle { display: inline-block; }
  .nav-cta { display: none; }
  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    padding: 4px 0 10px;
    border-top: 1px solid var(--line);
  }
  .nav-list.open { display: flex; }
  .nav-item { width: 100%; }
  .nav-link { padding: 11px 4px; border-bottom: 0; justify-content: space-between; }
  .nav-link.active { border-bottom-color: transparent; }
  .nav-drop {
    position: static;
    opacity: 1; visibility: visible; transform: none;
    display: none;
    border: 0; border-left: 2px solid var(--son);
    background: rgba(27, 36, 48, .04);
    box-shadow: none;
    padding: 4px 0 4px 10px;
    margin: 0 0 8px;
  }
  .nav-item.open .nav-drop { display: block; }
  .grid-2, .grid-4 { grid-template-columns: 1fr; gap: 22px; }
  .feature-grid { grid-template-columns: 1fr; column-gap: 0; }
  .article-card { grid-template-columns: 44px 1fr; gap: 14px; }
  .article-thumb { width: 44px; height: 44px; font-size: 13px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .band { padding: 28px 0 6px; }
  .cal-cell { min-height: 64px; }
  .cal-cell .cc { display: none; }
  .slip-fields { grid-template-columns: 1fr 1fr; }
  .palace-table th:nth-child(4), .palace-table td:nth-child(4) { display: none; }
  .article-layout { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 820px) {
  .tb-year { display: none; }
}

@media (max-width: 600px) {
  .wrap { width: min(1160px, 100% - 28px); }
  .search { display: none; }
  .topbar-right { display: none; }
  body { font-size: 15px; }
  .hero { padding: 38px 0 34px; }
  .almanac { padding: 18px 18px 16px; }
  .almanac-num { font-size: 60px; min-width: 76px; }
  .slip { padding: 18px; }
  .slip-fields { grid-template-columns: 1fr; }
  .form-row.two, .form-row.three { grid-template-columns: 1fr; }
  .date-row { grid-template-columns: .8fr 1fr 1fr; }
  .summary-grid { grid-template-columns: 1fr; }
  .kv + .kv { border-left: 0; padding-left: 0; }
  .kv { border-bottom: 1px solid var(--line); }
  .dh-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 36px 0; }
  .data-row { grid-template-columns: 1fr; gap: 2px; }
  .cal-cell { min-height: 54px; padding: 4px; }
  .cal-cell .sd { font-size: 12.5px; }
  .cal-cell .ld { font-size: 10px; }
  .article-title { max-width: none; }
}

/* ---------------- Quảng cáo ---------------- */
.ad-slot { display: none; }
.ad-slot.is-filled {
  display: block;
  margin: 28px 0;
}
.ad-label {
  display: block;
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--muc-nhat);
  margin-bottom: 7px;
}
.ad-slot ins { display: block; }
.ad-banner { display: block; line-height: 0; }
.ad-banner img {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--line);
}
.ad-band { padding: 6px 0 0; }
.ad-band .ad-slot.is-filled { margin: 12px 0 0; }
@media (max-width: 600px) {
  .ad-slot.is-filled { margin: 22px 0; }
}

/* ---------------- In ---------------- */
@media print {
  .topbar, .header, .nav, .footer, .no-print { display: none !important; }
  body { background: #fff; }
  .chart-grid { min-width: 0; border-color: #000; }
  .panel, .chart-grid { box-shadow: none; }
}