:root {
  --paper: #f8f5ef;
  --surface: #fffdf8;
  --ink: #171714;
  --muted: #4d4a42;
  --line: #d8d1c3;
  --accent: #b8382c;
  --accent-hover: #922b21;
  --secondary: #285c53;
  --notice: #f0e5cb;
  --display: "Noto Serif SC", "Songti SC", serif;
  --body: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-weight: 300; line-height: 1.8; letter-spacing: 0; }
a { color: inherit; text-underline-offset: 5px; }
a:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.container { width: min(1120px, 100% - 48px); margin: auto; }
.site-header { border-bottom: 1px solid var(--line); background: var(--surface); }
.header-row { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 80px; }
.brand { font-family: var(--display); font-size: 24px; text-decoration: none; }
.brand span { color: var(--accent); }
.header-row nav { display: flex; gap: 24px; font-size: 14px; }
.header-row nav a { text-decoration: none; }
h1, h2, h3 { font-family: var(--display); line-height: 1.35; margin: 0; }
h1 { font-size: 52px; } h2 { font-size: 30px; } h3 { font-size: 23px; }
.intro { padding: 56px 0 36px; }
.eyebrow { color: var(--accent); margin: 0 0 12px; font-size: 14px; }
.intro-copy { color: var(--muted); font-size: 18px; max-width: 750px; }
.facts { display: flex; flex-wrap: wrap; gap: 12px 36px; border-block: 1px solid var(--line); padding: 18px 0; margin-top: 26px; }
.facts strong { color: var(--secondary); }
section { padding: 40px 0; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 24px; }
.course-filter { display: flex; gap: 12px; align-items: center; font-size: 14px; }
select { background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 4px; padding: 10px; font: inherit; }
.course-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.course { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--accent); padding: 24px; border-radius: 4px; display: flex; flex-direction: column; }
.course[data-category="advanced"] { border-top-color: var(--secondary); }
.level { color: var(--accent); font-size: 34px; font-weight: 600; line-height: 1.2; margin-bottom: 12px; }
.course[data-category="advanced"] .level { color: var(--secondary); }
.teacher { color: var(--muted); margin: 10px 0 18px; font-size: 14px; }
.program-description { color: var(--muted); font-size: 14px; margin: 0 0 20px; }
.literature-list { margin-top: 24px; font-size: 16px; }
.literature-list div { display: grid; grid-template-columns: 160px minmax(0,1fr); gap: 20px; padding: 16px 0; }
.literature-list dd { text-align: left; overflow-wrap: anywhere; }
.course dd { max-width: 65%; }
.price { font-size: 28px; margin: 0 0 16px; line-height: 1.4; }
.price span { font-size: 14px; color: var(--muted); }
dl { margin: 0 0 20px; font-size: 14px; }
dl div { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px solid var(--line); padding: 8px 0; }
dd { margin: 0; text-align: right; } dt { color: var(--muted); }
.enquire { margin-top: auto; color: var(--accent); text-decoration: none; border-top: 1px solid var(--line); padding-top: 15px; }
.enquire:hover { color: var(--accent-hover); }
.support { margin: 20px 0 0; color: var(--secondary); }
.notice { background: var(--notice); border-left: 3px solid var(--accent); padding: 16px 20px; margin-top: 20px; font-size: 14px; }
.teaching { background: var(--surface); border-block: 1px solid var(--line); }
.columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
.columns article + article { border-left: 1px solid var(--line); padding-left: 36px; }
.columns p, .reading p, li { color: var(--muted); }
.stage { color: var(--secondary); font-size: 14px; margin-bottom: 12px; }
.reading { max-width: 850px; }
.reading h3 { margin: 28px 0 12px; }
ul { padding-left: 22px; }
li { padding: 4px 0; }
.contact { background: var(--ink); color: var(--paper); }
.contact p { max-width: 750px; }
.contact-links { display: flex; flex-wrap: wrap; gap: 16px 36px; align-items: center; }
.contact-links a { overflow-wrap: anywhere; }
.site-footer { padding: 24px 0; color: var(--muted); font-size: 14px; }
@media (max-width: 850px) { .course-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .header-row nav { gap: 14px; } }
@media (max-width: 600px) {
  .container { width: calc(100% - 32px); }
  .header-row { min-height: 72px; flex-wrap: wrap; padding: 14px 0; gap: 8px; }
  .header-row nav { flex-wrap: wrap; }
  h1 { font-size: 36px; } h2 { font-size: 26px; }
  .intro { padding-top: 32px; }
  .intro-copy { font-size: 16px; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 16px; }
  .course-grid, .columns { grid-template-columns: 1fr; }
  .columns article + article { border-left: 0; border-top: 1px solid var(--line); padding: 28px 0 0; }
  .facts { gap: 8px 18px; font-size: 14px; }
  .literature-list div { grid-template-columns: 1fr; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }