:root {
  --aa-maroon: #a31d3a;
  --aa-maroon-dark: #7d152c;
  --aa-cream: #f6ead4;
  --aa-white: #ffffff;
  --aa-orange: #ed8f15;
  --aa-blue: #7ab5ff;
  --aa-text: #333333;
  --aa-radius: 16px;
  --aa-shadow: 0 8px 24px rgba(163, 29, 58, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "Microsoft JhengHei", "PingFang HK", "Noto Sans TC", Arial, sans-serif;
  background: var(--aa-cream);
  color: var(--aa-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--aa-maroon); }
a:hover { color: var(--aa-orange); }

.aa-top {
  background: var(--aa-white);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.55rem 1.5rem;
  border-bottom: 3px solid var(--aa-maroon);
}

.aa-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--aa-maroon);
  min-width: 0;
}

.aa-brand img {
  height: 64px;
  width: auto;
  display: block;
}

.aa-brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.aa-brand strong {
  display: flex;
  justify-content: space-between;
  width: 155%;
  font-size: 2.2rem;
  line-height: 1.1;
  white-space: nowrap;
}

.aa-brand span {
  display: block;
  font-size: 0.82rem;
  color: #7a5a5a;
  font-weight: normal;
  white-space: nowrap;
}

.aa-navwrap {
  background: var(--aa-white);
  box-shadow: var(--aa-shadow);
  position: sticky;
  top: 0;
  z-index: 40;
}

.aa-nav {
  max-width: 1760px;
  margin: 0 auto;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  padding: 0.35rem 1.5rem;
}

.aa-nav a {
  text-decoration: none;
  color: var(--aa-maroon);
  font-weight: bold;
  font-size: 1.5em;
  padding: 0.5rem 0.85rem;
  border-radius: 10px;
  white-space: nowrap;
}

.aa-nav a:hover,
.aa-nav a.active,
.aa-drop:hover > a {
  background: var(--aa-orange);
  color: #fff;
}

.aa-drop {
  position: relative;
}

.aa-drop > a::after {
  content: " ▼";
  font-size: 0.65em;
}

.aa-sub {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 100%;
  width: max-content;
  background: #fff;
  border-radius: 10px;
  box-shadow: var(--aa-shadow);
  padding: 0.35rem;
  z-index: 50;
}

.aa-drop:hover > .aa-sub,
.aa-drop:focus-within > .aa-sub {
  display: block;
}

.aa-sub a {
  display: block;
  white-space: nowrap;
}

.aa-toggle {
  display: none;
  margin-left: auto;
  background: #fff;
  border: 1px solid rgba(163, 29, 58, 0.25);
  color: var(--aa-maroon);
  border-radius: 8px;
  padding: 0.35rem 0.7rem;
  font-size: 1.4rem;
  cursor: pointer;
}

.aa-page {
  max-width: 1760px;
  width: min(1760px, calc(100% - 2.5rem));
  margin: 1.25rem auto 2rem;
  padding: 0;
  flex: 1 0 auto;
}

.aa-banner {
  width: 100%;
  margin: 0;
  line-height: 0;
  overflow: hidden;
}

.aa-banner img {
  width: 100%;
  height: auto;
  display: block;
}

.aa-hero {
  background: var(--aa-white);
  border-radius: var(--aa-radius);
  padding: 1.1rem 1.3rem;
  margin-bottom: 1rem;
  box-shadow: var(--aa-shadow);
}

.aa-hero h1 {
  margin: 0;
  color: var(--aa-maroon);
  font-size: 1.7rem;
}

.aa-hero p {
  margin: 0.25rem 0 0;
  color: #6b4e4e;
}

.aa-hero-sub {
  margin: 0.35rem 0 0;
  color: #000;
  font-size: 2rem;
  line-height: 1.4;
  font-weight: bold;
}

.aa-video-card {
  padding-top: 0.7rem;
}

.aa-video-title {
  margin: 0 0 0.7rem;
  color: var(--aa-maroon);
  font-size: 2.4rem;
  line-height: 1.25;
  text-align: center;
  font-weight: bold;
}

.aa-chairman-name {
  margin: 0 0 0.85rem;
  color: #000;
  font-size: 2.1rem;
  line-height: 1.3;
  text-align: center;
  font-weight: bold;
}

.aa-card {
  background: var(--aa-white);
  border-radius: var(--aa-radius);
  padding: 1.1rem 1.25rem 1.3rem;
  margin-bottom: 1rem;
  box-shadow: var(--aa-shadow);
}

.aa-card h1 {
  margin: 0 0 0.85rem;
  color: var(--aa-maroon);
  font-size: 1.7rem;
}

.aa-card h2 {
  margin: 0 0 0.85rem;
  color: var(--aa-maroon);
  font-size: 1.2rem;
}

.aa-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.aa-news {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.aa-item {
  background: #fffaf1;
  border: 1px solid #f0e0c4;
  border-radius: 14px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.55rem;
}

.aa-item h3 {
  margin: 0;
  color: var(--aa-maroon);
  font-size: 1.05rem;
}

.aa-item .aa-date {
  color: var(--aa-blue);
  font-weight: bold;
}

.aa-item img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
}

.aa-btn {
  display: inline-block;
  background: var(--aa-maroon);
  color: #fff !important;
  text-decoration: none;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-weight: bold;
  align-self: center;
}

.aa-btn:hover { background: var(--aa-orange); }

.aa-video {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  background: #111;
}

.aa-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.aa-content {
  font-size: 1.05rem;
  line-height: 1.8;
}

.aa-content img {
  max-width: 100%;
  height: auto;
}

.aa-content table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.aa-content table td,
.aa-content table th {
  border: 1px solid #ead9b8;
  padding: 0.55rem 0.7rem;
  vertical-align: top;
}

.aa-list a {
  display: block;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  text-decoration: none;
  color: var(--aa-maroon);
  font-weight: bold;
  background: #fffaf1;
  margin-bottom: 0.45rem;
}

.aa-list-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.aa-list-3 a {
  margin-bottom: 0;
  text-align: center;
}

.aa-list a:hover {
  background: var(--aa-orange);
  color: #fff;
}

.aa-sponsors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.aa-sponsors span {
  background: #fffaf1;
  border: 1px solid #ead9b8;
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
}

.aa-footer {
  background: var(--aa-maroon);
  color: #fff;
  text-align: center;
  padding: 1rem;
  font-weight: bold;
  margin-top: auto;
  width: 100%;
}

.aa-footer a { color: #fff; }

.aa-center { text-align: center; }

.aa-steps {
  display: grid;
  gap: 0.85rem;
}

.aa-step {
  background: #fffaf1;
  border-radius: 12px;
  padding: 0.9rem 1rem;
}

.aa-step b {
  color: var(--aa-maroon);
}

@media (max-width: 1399.98px) {
  .aa-nav {
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .aa-toggle {
    display: inline-block;
    position: static;
    margin: 0.15rem 0 0.85rem;
    z-index: 61;
  }
  .aa-navlinks {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .aa-nav.open .aa-navlinks {
    display: flex;
    padding-top: 0.25rem;
  }
  .aa-drop > .aa-sub {
    position: static;
    box-shadow: none;
    background: #fffaf1;
  }
}

@media (min-width: 1400px) {
  .aa-navlinks {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
  }
}

@media (max-width: 980px) {
  .aa-top {
    padding: 0.3rem 0.75rem;
  }
  .aa-brand {
    gap: 0.35rem;
  }
  .aa-brand img {
    height: 32px;
  }
  .aa-brand strong {
    font-size: 1.1rem;
  }
  .aa-brand span {
    font-size: 0.41rem;
  }
  .aa-news,
  .aa-grid,
  .aa-list-3 {
    grid-template-columns: 1fr;
  }
}