:root {
  --purple: #4B0082;
  --purple-soft: rgba(75, 0, 130, 0.86);
  --black: #111114;
  --bg: #f7f6f3;
  --line: #d9d6d0;
  --muted: #77717c;
  --white: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  background:
    linear-gradient(90deg, transparent 0, transparent 74%, rgba(75,0,130,.06) 74.1%, transparent 74.2%),
    linear-gradient(180deg, #fbfaf7 0%, var(--bg) 100%);
  color: var(--black);
  overflow-x: hidden;
}

.page-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .28;
  background-image: radial-gradient(rgba(75,0,130,.16) 0.7px, transparent 0.7px);
  background-size: 5px 5px;
  mask-image: linear-gradient(90deg, transparent, black 38%, transparent 88%);
}

.topbar {
  margin: 0 60px;
  padding: 30px 0;
  border-bottom: 1px solid var(--purple);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-mark, .top-actions, .module-head {
  display: flex;
  align-items: center;
}

.symbol, .avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--purple);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 900;
  margin-right: 16px;
}

.brand-mark strong { display: block; font-size: 14px; letter-spacing: .5px; }
.brand-mark span, .welcome { font-size: 11px; letter-spacing: 2px; }
.welcome strong { color: var(--purple); }
.avatar { margin: 0 18px; }

.menu {
  width: 34px;
  height: 28px;
  background: transparent;
  border: 0;
  display: grid;
  gap: 8px;
  cursor: pointer;
}
.menu span { display: block; height: 2px; background: var(--black); }

.hero {
  position: relative;
  min-height: 360px;
  padding: 48px 60px 10px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(48px, 5.5vw, 86px);
  line-height: .94;
  letter-spacing: -3px;
  font-weight: 900;
}

.hero p {
  margin: 26px 0 0;
  color: var(--purple);
  letter-spacing: 8px;
  font-size: 14px;
  line-height: 1.8;
}

.short-line {
  width: 60px;
  height: 4px;
  background: var(--purple);
  margin-top: 28px;
}

.purple-arrow {
  position: absolute;
  top: 0;
  right: 8%;
  width: 0;
  height: 0;
  border-top: 190px solid transparent;
  border-bottom: 190px solid transparent;
  border-left: 560px solid var(--purple-soft);
  filter: drop-shadow(0 0 28px rgba(75,0,130,.16));
  z-index: -1;
}

.purple-arrow::before {
  content: "";
  position: absolute;
  left: -590px;
  top: -210px;
  width: 560px;
  height: 420px;
  background: radial-gradient(rgba(75,0,130,.36), transparent 68%);
  filter: blur(20px);
}

.right-label {
  position: absolute;
  right: 9%;
  top: 120px;
  color: var(--purple);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 4px;
  font-size: 20px;
}

.dashboard-area {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 36px;
  padding: 0 60px 32px;
}

.meta-panel { position: relative; min-height: 380px; }
.meta-title { color: var(--purple); font-weight: 700; font-size: 13px; }
.date { margin-top: 12px; font-size: 13px; }
.clock { margin-top: 6px; font-size: 36px; font-weight: 800; letter-spacing: -1px; }
.clock small { font-size: 14px; font-weight: 500; }
.vertical-text {
  position: absolute;
  left: -42px;
  bottom: 10px;
  transform: rotate(-90deg);
  transform-origin: left center;
  font-size: 10px;
  color: var(--purple);
  letter-spacing: 1.5px;
}
.ghost-text {
  position: absolute;
  left: 0;
  bottom: -10px;
  font-size: 48px;
  line-height: .86;
  color: rgba(75,0,130,.08);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: rgba(255,255,255,.35);
  backdrop-filter: blur(8px);
}

.module-card {
  min-height: 150px;
  padding: 28px 28px 24px;
  color: var(--black);
  text-decoration: none;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: .28s ease;
}

.module-card:hover {
  background: var(--purple);
  color: white;
  transform: translateY(-5px);
  box-shadow: 0 20px 45px rgba(75,0,130,.2);
}

.num {
  color: var(--purple);
  font-size: 28px;
  font-weight: 900;
  margin-right: 22px;
}

.module-card:hover .num { color: white; }
.module-card h2 { margin: 0; font-size: 21px; letter-spacing: .3px; }
.module-card p { margin: 8px 0 0; font-size: 11px; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; }
.module-card:hover p { color: rgba(255,255,255,.82); }

.arrow-line {
  margin-top: 28px;
  border-top: 1px solid currentColor;
  text-align: right;
  font-size: 24px;
  line-height: 0;
}
.arrow-line span { position: relative; top: -1px; }

.guide-card {
  background: var(--purple);
  color: white;
}
.guide-card p { color: white; }
.star { font-size: 34px; margin-right: 22px; }

.footer {
  margin: 0 60px 28px;
  padding-top: 22px;
  border-top: 1px solid var(--purple);
  display: flex;
  justify-content: space-between;
  color: var(--purple);
  font-size: 12px;
  letter-spacing: 3px;
}

@media (max-width: 1100px) {
  .dashboard-area { grid-template-columns: 1fr; }
  .meta-panel { display: none; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .purple-arrow { right: -160px; }
}

@media (max-width: 680px) {
  .topbar, .footer { margin: 0 22px; }
  .hero, .dashboard-area { padding-left: 22px; padding-right: 22px; }
  .module-grid { grid-template-columns: 1fr; }
  .right-label { display: none; }
  .purple-arrow { opacity: .35; }
}