/* ============================================================
   未來學院 STUDENT SHOWCASE
   設計風格：深色 + 毛玻璃 + 螢光薄荷綠 accent
   ============================================================ */

:root {
  /* === 顏色 === */
  --bg-base: #07080A;
  --bg-elev-1: #0E1014;
  --bg-elev-2: #15171D;
  --border-soft: rgba(255, 255, 255, 0.06);
  --border-mid: rgba(255, 255, 255, 0.12);
  --border-glow: rgba(107, 255, 142, 0.35);
  --glass-bg: rgba(255, 255, 255, 0.035);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);

  --text-primary: #F5F6F8;
  --text-secondary: #B8BCC4;
  --text-tertiary: #6E727B;
  --text-muted: #4A4D54;

  --accent: #6BFF8E;
  --accent-soft: rgba(107, 255, 142, 0.16);
  --accent-text: #0A0A0B;

  /* === 字型 === */
  --font-sans: 'Inter', 'Noto Sans TC', system-ui, -apple-system, sans-serif;
  --font-zh: 'Noto Sans TC', 'Inter', system-ui, sans-serif;

  /* === 間距 === */
  --container: 1280px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* === 動畫 === */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.7, 0, 0.3, 1);
}

/* ============================================================
   Reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-zh);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
html { overflow-x: hidden; max-width: 100%; }
body { max-width: 100%; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select { font-family: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
}

/* ============================================================
   背景：放射光斑（aurora）
   ============================================================ */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
/* Aurora 光斑：縮小範圍 + 大幅推離畫面中央，避免 blur 暈到 hero 文字後方 */
.aurora__blob {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.06;
  animation: float 20s var(--ease-in-out) infinite;
}
.aurora__blob--1 {
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -350px;
  left: -350px;
  opacity: 0.05;
}
.aurora__blob--2 {
  background: radial-gradient(circle, #5B8DEF 0%, transparent 70%);
  top: 80%;
  right: -350px;
  opacity: 0.04;
  animation-delay: -7s;
}
.aurora__blob--3 {
  background: radial-gradient(circle, #C06EFF 0%, transparent 70%);
  bottom: -350px;
  left: 60%;
  opacity: 0.03;
  animation-delay: -14s;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, 40px) scale(1.15); }
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  background: rgba(7, 8, 10, 0.7);
  border-bottom: 1px solid var(--border-soft);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.nav__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.nav__brand {
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}
.nav__sub {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-tertiary);
  font-family: var(--font-sans);
}
.nav__menu {
  display: flex;
  gap: 4px;
}
.nav__link {
  padding: 8px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  transition: all 0.2s var(--ease-out);
}
.nav__link:hover {
  color: var(--text-primary);
  background: var(--glass-bg);
}
.nav__link--active {
  color: var(--accent);
}
.nav__link--active::after {
  content: '';
  display: block;
  height: 2px;
  margin-top: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav__search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--border-soft);
  color: var(--text-secondary);
  font-size: 13px;
  transition: all 0.2s var(--ease-out);
}
.nav__search:hover {
  background: var(--glass-bg-hover);
  border-color: var(--border-mid);
  color: var(--text-primary);
}
.nav__search kbd {
  padding: 2px 6px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-mid);
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-tertiary);
  font-family: var(--font-sans);
}
.nav__status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  border: 1px solid rgba(107, 255, 142, 0.2);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
}
.nav__lang {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--border-soft);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: all 0.2s var(--ease-out);
}
.nav__lang:hover {
  background: var(--glass-bg-hover);
  border-color: var(--accent);
  color: var(--accent);
}
.nav__lang-cur { color: var(--accent); }
.nav__lang-sep { color: var(--text-tertiary); margin: 0 1px; }
.nav__lang-alt { opacity: 0.55; }
.nav__pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent); }
  50% { opacity: 0.6; box-shadow: 0 0 0 8px transparent; }
}
@media (max-width: 920px) {
  .nav__menu { display: none; }
}
@media (max-width: 640px) {
  .nav__inner { gap: 12px; padding: 14px 20px; }
  .nav__sub { display: none; }
  .nav__search span, .nav__search kbd { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: 100px 0 80px;
  position: relative;
}
.hero__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--accent);
  margin: 0 0 24px;
  font-family: var(--font-sans);
}
.hero__title {
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 32px;
  color: var(--text-primary);
}
.hero__accent {
  background: linear-gradient(135deg, var(--accent) 0%, #4FE890 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}
.hero__lead {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 0 56px;
  line-height: 1.7;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-soft);
  width: fit-content;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat__num {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1;
}
.stat__label {
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}
.stat__divider {
  width: 1px;
  height: 36px;
  background: var(--border-mid);
}
@media (max-width: 640px) {
  .hero { padding: 60px 0 40px; }
  .hero__stats {
    width: 100%;
    padding: 20px;
    gap: 16px;
    justify-content: space-between;
  }
  .stat__num { font-size: 26px; }
  .stat__divider { display: none; }
}

/* ============================================================
   Filters：搜尋 + 分類 pills
   ============================================================ */
.filters { padding: 24px 0 32px; }
.search {
  position: relative;
  margin-bottom: 28px;
}
.search__icon {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}
.search__input {
  width: 100%;
  padding: 18px 56px 18px 56px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  transition: all 0.2s var(--ease-out);
}
.search__input::placeholder { color: var(--text-tertiary); }
.search__input:focus {
  border-color: var(--border-glow);
  box-shadow: 0 0 0 4px var(--accent-soft);
  background: var(--glass-bg-hover);
}
.search__clear {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-tertiary);
  transition: all 0.15s var(--ease-out);
}
.search__clear:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.pill {
  padding: 9px 18px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.2s var(--ease-out);
  white-space: nowrap;
}
.pill:hover {
  background: var(--glass-bg-hover);
  border-color: var(--border-mid);
  color: var(--text-primary);
}
.pill--active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 700;
  box-shadow: 0 0 24px rgba(107, 255, 142, 0.35);
}
.pill--active:hover {
  background: var(--accent);
  color: var(--accent-text);
}

.filters__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-tertiary);
}
.filters__sort { display: flex; align-items: center; gap: 8px; }
.filters__select {
  padding: 6px 10px;
  background: var(--glass-bg);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* ============================================================
   Works Grid
   ============================================================ */
.works { padding: 16px 0 120px; }
.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1024px) {
  .works__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .works__grid { grid-template-columns: 1fr; gap: 16px; }
}

/* === 卡片：毛玻璃 === */
.card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  display: flex;
  flex-direction: column;
  animation: cardIn 0.5s var(--ease-out) backwards;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.08) 50%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  background: var(--glass-bg-hover);
  box-shadow:
    0 20px 60px -20px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(107, 255, 142, 0.1),
    0 0 60px -10px rgba(107, 255, 142, 0.15);
}

/* 封面 */
.card__cover {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--g1, #6BFF8E) 0%, var(--g2, #5B8DEF) 100%);
  position: relative;
  overflow: hidden;
}
.card__cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.25) 0%, transparent 60%),
    linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
}
.card__icon {
  position: absolute;
  bottom: 20px;
  left: 24px;
  font-size: 56px;
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.3));
  z-index: 1;
  transition: transform 0.4s var(--ease-out);
}
.card:hover .card__icon { transform: scale(1.1) rotate(-4deg); }
.card__id {
  position: absolute;
  top: 18px;
  left: 24px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.8);
  z-index: 1;
}
.card__status {
  position: absolute;
  top: 18px;
  right: 18px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: white;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  font-family: var(--font-sans);
  z-index: 1;
}
.card__status::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* 卡片內容 */
.card__body { padding: 22px 22px 18px; flex: 1; display: flex; flex-direction: column; }
.card__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.card__category {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  border: 1px solid rgba(107, 255, 142, 0.2);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.card__title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0 0 4px;
  line-height: 1.3;
}
.card__subtitle {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.card__summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 16px;
  flex: 1;
}
.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.card__tag {
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  color: var(--text-tertiary);
  font-size: 11px;
  font-family: var(--font-sans);
  font-weight: 500;
}
.card__student {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--border-soft);
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}
.card__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--g1, #6BFF8E), var(--g2, #5B8DEF));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
}
.card__student strong { color: var(--text-secondary); font-weight: 600; }

/* 帳密區 */
.creds {
  background: var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}
.cred {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--bg-base);
  font-size: 12px;
  font-family: var(--font-sans);
  transition: background 0.15s var(--ease-out);
}
.cred:hover { background: rgba(255, 255, 255, 0.04); }
.cred__label {
  color: var(--text-tertiary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  width: 36px;
  flex-shrink: 0;
}
.cred__value {
  flex: 1;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', 'Menlo', monospace;
  font-size: 12.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cred__copy {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--glass-bg);
  border: 1px solid var(--border-soft);
  color: var(--text-tertiary);
  font-size: 11px;
  font-weight: 600;
  transition: all 0.15s var(--ease-out);
  flex-shrink: 0;
}
.cred__copy:hover {
  background: var(--accent-soft);
  border-color: rgba(107, 255, 142, 0.3);
  color: var(--accent);
}
.cred__copy.copied {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}

/* CTA */
.card__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: linear-gradient(135deg, var(--accent-soft), rgba(107, 255, 142, 0.04));
  border: 1px solid rgba(107, 255, 142, 0.2);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all 0.2s var(--ease-out);
}
.card:hover .card__cta {
  background: linear-gradient(135deg, rgba(107, 255, 142, 0.22), rgba(107, 255, 142, 0.08));
  border-color: rgba(107, 255, 142, 0.4);
}
.card__cta-arrow {
  transition: transform 0.3s var(--ease-out);
}
.card:hover .card__cta-arrow { transform: translateX(4px); }

/* 空狀態 */
.works__empty {
  text-align: center;
  padding: 80px 20px;
  background: var(--glass-bg);
  border: 1px dashed var(--border-mid);
  border-radius: var(--radius-lg);
}
.works__empty-icon { font-size: 48px; display: block; margin-bottom: 16px; }
.works__empty h3 { color: var(--text-primary); margin: 0 0 8px; font-size: 20px; }
.works__empty p { color: var(--text-tertiary); margin: 0 0 20px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s var(--ease-out);
  border: 1px solid transparent;
}
.btn--ghost {
  background: var(--glass-bg);
  border-color: var(--border-mid);
  color: var(--text-primary);
}
.btn--ghost:hover {
  background: var(--glass-bg-hover);
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================================
   About
   ============================================================ */
.about {
  padding: 100px 0;
  border-top: 1px solid var(--border-soft);
}
.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .about { padding: 60px 0; }
}
.about__eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--accent);
  margin: 0 0 16px;
  font-family: var(--font-sans);
}
.about__title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 24px;
}
.about__text {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 16px;
}
.about__pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pillar {
  padding: 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}
.pillar__num {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.pillar h4 { margin: 8px 0 6px; font-size: 18px; color: var(--text-primary); }
.pillar p { margin: 0; font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--border-soft);
  background: rgba(0, 0, 0, 0.3);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 40px;
}
@media (max-width: 720px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
.footer__tag {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-tertiary);
  margin: 16px 0 0;
}
.footer__col h5 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text-tertiary);
  margin: 0 0 14px;
  text-transform: uppercase;
  font-family: var(--font-sans);
}
.footer__col a {
  display: block;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
  transition: color 0.15s var(--ease-out);
}
.footer__col a:hover { color: var(--accent); }
.footer__note {
  color: var(--text-tertiary);
  font-size: 12.5px;
  line-height: 1.6;
  margin: 0;
}
.footer__bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-soft);
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

/* ============================================================
   Modal
   ============================================================ */
/* 全域 [hidden] 修正：CSS 的 display 會覆蓋 hidden attribute，必須補回 */
[hidden] { display: none !important; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.25s var(--ease-out);
}
.modal__panel {
  position: relative;
  width: min(720px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  background: var(--bg-elev-1);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  animation: panelIn 0.3s var(--ease-out);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6);
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: white;
  border: 1px solid var(--border-mid);
  transition: all 0.15s var(--ease-out);
}
.modal__close:hover { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

/* Modal 內容 */
.m__cover {
  aspect-ratio: 21 / 9;
  background: linear-gradient(135deg, var(--g1) 0%, var(--g2) 100%);
  position: relative;
  overflow: hidden;
}
.m__cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 25% 30%, rgba(255,255,255,0.2) 0%, transparent 60%),
              linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.45) 100%);
}
.m__icon { position: absolute; bottom: 24px; left: 32px; font-size: 80px; z-index: 1; filter: drop-shadow(0 4px 24px rgba(0,0,0,0.4)); }
.m__id { position: absolute; top: 24px; left: 32px; font-family: var(--font-sans); font-size: 12px; font-weight: 700; letter-spacing: 0.2em; color: rgba(255,255,255,0.85); z-index: 1; }
.m__body { padding: 32px 36px 36px; }
.m__category {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  border: 1px solid rgba(107,255,142,0.2);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}
.m__title { font-size: 32px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 6px; }
.m__subtitle { font-family: var(--font-sans); font-size: 13px; letter-spacing: 0.15em; color: var(--text-tertiary); text-transform: uppercase; margin-bottom: 16px; }
.m__desc { color: var(--text-secondary); line-height: 1.7; margin: 0 0 24px; }
.m__sec-title { font-size: 12px; font-weight: 700; letter-spacing: 0.16em; color: var(--accent); margin: 0 0 12px; text-transform: uppercase; font-family: var(--font-sans); }
.m__features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}
@media (max-width: 540px) { .m__features { grid-template-columns: 1fr; } }
.m__features li {
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.m__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent);
}
.m__tech { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.m__tech-item {
  padding: 5px 12px;
  border-radius: 6px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}
.m__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 540px) { .m__row { grid-template-columns: 1fr; } }
.m__info {
  padding: 16px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
}
.m__info-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-family: var(--font-sans);
}
.m__info-val { font-size: 15px; color: var(--text-primary); font-weight: 600; }
.m__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px;
  background: var(--accent);
  color: var(--accent-text);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all 0.2s var(--ease-out);
}
.m__cta:hover {
  filter: brightness(1.08);
  box-shadow: 0 8px 32px rgba(107,255,142,0.35);
  transform: translateY(-1px);
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 20px;
  background: var(--accent);
  color: var(--accent-text);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  z-index: 200;
  box-shadow: 0 8px 32px rgba(107,255,142,0.4);
  animation: toastIn 0.3s var(--ease-out);
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 16px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ============================================================
   v2 新元件：推薦緞帶 / 卡片數據 / 獎項 / 亮點 / Modal 數據
   ============================================================ */

/* === 推薦緞帶 === */
.card--featured { border-color: rgba(107, 255, 142, 0.18); }
.card__ribbon {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: var(--accent-text);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-family: var(--font-sans);
  box-shadow: 0 4px 16px rgba(107, 255, 142, 0.4);
}
.card--featured .card__status { display: none; }

/* === 卡片右上角的小數據 === */
.card__head {
  align-items: center;
  justify-content: space-between;
}
.card__metrics {
  display: flex;
  gap: 10px;
  align-items: center;
}
.metric {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0;
  line-height: 1.1;
}
.metric:not(:last-child) { padding-right: 10px; border-right: 1px solid var(--border-soft); }
.metric__val {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}
.metric__lab {
  font-size: 9.5px;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

/* === 卡片內亮點獎項小標 === */
.card__award {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, rgba(255, 200, 80, 0.1), rgba(255, 200, 80, 0.04));
  border: 1px solid rgba(255, 200, 80, 0.25);
  border-radius: 8px;
  color: #FFD27D;
  font-size: 11.5px;
  font-weight: 600;
  font-family: var(--font-sans);
  width: fit-content;
}

/* ============================================================
   Modal v2 — 亮點、數據面板、獎項
   ============================================================ */

/* 亮點 (highlights) */
.m__highlights {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 18px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, rgba(107, 255, 142, 0.08), rgba(107, 255, 142, 0.02));
  border: 1px solid rgba(107, 255, 142, 0.18);
  border-radius: var(--radius-md);
}
.m__highlight {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
}
.m__highlight svg {
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 3px;
  filter: drop-shadow(0 0 6px var(--accent));
}
.m__highlight strong { color: var(--text-primary); font-weight: 700; }

/* 使用數據面板 */
.m__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: 28px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}
@media (max-width: 540px) {
  .m__metrics { grid-template-columns: repeat(2, 1fr); }
}
.m__metric {
  padding: 18px 16px;
  text-align: center;
  border-right: 1px solid var(--border-soft);
}
.m__metric:last-child { border-right: none; }
@media (max-width: 540px) {
  .m__metric:nth-child(2n) { border-right: none; }
  .m__metric:nth-child(-n+2) { border-bottom: 1px solid var(--border-soft); }
}
.m__metric-val {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.m__metric-lab {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  margin: 0;
  text-transform: uppercase;
  font-family: var(--font-sans);
}

/* 獎項徽章 */
.m__awards {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.m__award {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: linear-gradient(135deg, rgba(255, 200, 80, 0.12), rgba(255, 200, 80, 0.04));
  border: 1px solid rgba(255, 200, 80, 0.3);
  border-radius: var(--radius-pill);
  color: #FFD27D;
  font-size: 12.5px;
  font-weight: 600;
  font-family: var(--font-sans);
}
.m__award svg { color: #FFD27D; filter: drop-shadow(0 0 6px rgba(255, 210, 125, 0.6)); }

/* ============================================================
   Modal 操作動畫（每個分類不同流程）
   ============================================================ */
.m__demo-anim {
  position: relative;
  height: 200px;
  margin-bottom: 24px;
  background:
    radial-gradient(circle at 30% 30%, rgba(107, 255, 142, 0.06), transparent 50%),
    var(--bg-elev-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.m__demo-anim__label {
  position: absolute;
  top: 12px;
  left: 14px;
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
}
.m__demo-anim__label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 1.4s infinite;
}
.flow {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 32px;
}
.flow-node {
  flex-shrink: 0;
  background: var(--bg-elev-1);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.flow-node__icon { font-size: 18px; }
.flow-arrow {
  flex-shrink: 0;
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  position: relative;
  border-radius: 1px;
}
.flow-arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: -3px;
  border: 4px solid transparent;
  border-left-color: var(--accent);
}
.flow-arrow .pulse {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  top: -2px;
  animation: flowPulse 2.4s linear infinite;
}
@keyframes flowPulse {
  0% { left: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

/* 「商品文案生成」動畫：圖片 → AI → 完整商品 */
.flow-node[data-state] { animation: nodeBlink 4.8s infinite; }
.flow-node[data-state="1"] { animation-delay: 0s; }
.flow-node[data-state="2"] { animation-delay: 1.2s; }
.flow-node[data-state="3"] { animation-delay: 2.4s; }
.flow-node[data-state="4"] { animation-delay: 3.6s; }
@keyframes nodeBlink {
  0%, 15% { border-color: var(--border-mid); color: var(--text-secondary); background: var(--bg-elev-1); }
  20%, 30% { border-color: var(--accent); color: var(--accent); background: rgba(107, 255, 142, 0.08); box-shadow: 0 0 16px rgba(107, 255, 142, 0.25); }
  35%, 100% { border-color: var(--border-mid); color: var(--text-secondary); background: var(--bg-elev-1); }
}

/* AI 模型標籤（區分一般 tech tag） */
.m__tech-item--ai {
  background: linear-gradient(135deg, rgba(192, 110, 255, 0.1), rgba(192, 110, 255, 0.04)) !important;
  border-color: rgba(192, 110, 255, 0.3) !important;
  color: #D4A5FF !important;
}

/* ============================================================
   v3 新元件：Ticker / 3D 傾斜 / 封面 UI mockup / Scroll Reveal
   ============================================================ */

/* === 即時活動 Ticker === */
.ticker {
  position: relative;
  z-index: 10;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(7, 8, 10, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
}
.ticker__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.ticker__label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #FF6B6B;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.16em;
  font-family: var(--font-sans);
  flex-shrink: 0;
}
.ticker__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #FF6B6B;
  box-shadow: 0 0 8px #FF6B6B;
  animation: tickerPulse 1.4s ease-in-out infinite;
}
@keyframes tickerPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.ticker__track {
  flex: 1;
  display: flex;
  gap: 48px;
  white-space: nowrap;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0, #000 5%, #000 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 5%, #000 95%, transparent 100%);
}
.ticker__track-inner {
  display: flex;
  gap: 48px;
  animation: tickerScroll 60s linear infinite;
}
.ticker__item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}
.ticker__item-icon { font-size: 14px; }
.ticker__item-time { color: var(--text-tertiary); font-size: 11.5px; font-family: var(--font-sans); margin-right: 4px; }
.ticker__item-name { color: var(--accent); font-weight: 600; }
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (max-width: 640px) {
  .ticker__inner { padding: 0 20px; }
}

/* === 數字滾動容器（為動畫做準備） === */
.stat__num { display: inline-block; transition: color 0.3s; }
.stat__num.is-animating { color: var(--accent); }

/* === 3D 卡片傾斜 === */
.works__grid { perspective: 1200px; }
.card {
  transform-style: preserve-3d;
  transition: transform 0.18s var(--ease-out), border-color 0.4s var(--ease-out),
              background 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
  will-change: transform;
}
.card.is-tilting { transition-duration: 0s; }
.card__cover, .card__body { transform: translateZ(0); }

/* === 封面 UI mockup（讓漸層看起來像真產品截圖） === */
.card__cover {
  perspective: 800px;
}
.card__mockup {
  position: absolute;
  bottom: -8px;
  right: -16px;
  width: 60%;
  border-radius: 8px 8px 0 0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 8px 10px 12px;
  transform: rotateX(8deg);
  transform-origin: bottom right;
  z-index: 1;
  transition: transform 0.4s var(--ease-out);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.2);
}
.card:hover .card__mockup { transform: rotateX(4deg) translateY(-4px); }
.card__mockup-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}
.card__mockup-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
}
.card__mockup-line {
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.25);
  margin-bottom: 6px;
}
.card__mockup-line--short { width: 60%; }
.card__mockup-line--medium { width: 80%; }
.card__mockup-line--accent {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.1));
  height: 6px;
  width: 40%;
}

/* === 封面浮動圖形 === */
.card__shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.card__shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  filter: blur(2px);
  animation: shapeFloat 8s ease-in-out infinite;
}
.card__shape--1 { width: 60px; height: 60px; top: -20px; right: 30%; animation-delay: 0s; }
.card__shape--2 { width: 40px; height: 40px; top: 30%; right: 8%; animation-delay: -3s; }
.card__shape--3 { width: 80px; height: 80px; bottom: -30px; left: 20%; animation-delay: -5s; opacity: 0.6; }
@keyframes shapeFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(8px, -12px); }
}

/* === Scroll Reveal === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   v4 PREMIUM 升級
   ============================================================ */

/* === 全頁雜訊膠片：放到「最底」絕不蓋到文字 === */
.grain {
  position: fixed;
  inset: 0;
  z-index: -1;          /* 從 1 改為 -1，整個躲到背景 */
  pointer-events: none;
  opacity: 0.03;
  mix-blend-mode: normal; /* overlay 會跟前景文字相互作用，改 normal */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.12 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* === 自訂游標 === */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  pointer-events: none;
  mix-blend-mode: screen;
  width: 0;
  height: 0;
  transition: opacity 0.2s;
}
.cursor__blob {
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 255, 142, 0.35) 0%, rgba(107, 255, 142, 0.05) 60%, transparent 80%);
  transform: translate(-50%, -50%) scale(1);
  transition: transform 0.25s var(--ease-out), background 0.25s;
  filter: blur(2px);
}
.cursor__dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px var(--accent);
}
.cursor__label {
  position: absolute;
  top: 22px;
  left: 22px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: var(--accent-text);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  font-family: var(--font-sans);
  white-space: nowrap;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.cursor.is-hovering .cursor__blob { transform: translate(-50%, -50%) scale(1.6); background: radial-gradient(circle, rgba(107, 255, 142, 0.55), transparent 70%); }
.cursor.is-clicking .cursor__blob { transform: translate(-50%, -50%) scale(0.8); }
.cursor.has-label .cursor__label { opacity: 1; transform: scale(1); }
@media (hover: none), (pointer: coarse) {
  .cursor { display: none; }
}

/* 隱藏在游標上的元素也要保持原游標 */
body { cursor: auto; }
@media (hover: hover) and (pointer: fine) {
  body, a, button, .pill, .card { cursor: none; }
  input, textarea, select { cursor: text; }
}

/* === 編輯設計感的章節編號 === */
.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--accent);
  margin: 0 0 32px;
  text-transform: uppercase;
}
.hero__eyebrow-num {
  font-family: 'Space Grotesk', var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
  letter-spacing: 0;
}
.hero__eyebrow-line {
  flex: 0 0 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

/* === Hero 升級：strike 線、新版排版、CTA、浮動 mini cards === */
.hero { padding: 80px 0 100px; position: relative; overflow: visible; }
@media (max-width: 720px) { .hero { padding: 48px 0 60px; } }
.hero__head { margin-bottom: 24px; }
.hero__title {
  font-size: clamp(40px, 9vw, 132px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin: 0 0 40px;
  font-family: var(--font-zh);
  word-break: break-word;
}
@media (max-width: 720px) {
  .hero__title { line-height: 1.1; margin-bottom: 28px; }
}
.hero__line { display: block; overflow: hidden; }
.hero__strike {
  position: relative;
  display: inline-block;
  color: var(--text-tertiary);
  font-style: italic;
  font-weight: 400;
}
.hero__strike::before {
  content: '';
  position: absolute;
  left: -4%;
  right: -4%;
  top: 50%;
  height: 6px;
  background: var(--accent);
  transform: translateY(-50%) scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease-out) 0.6s;
}
.hero.is-revealed .hero__strike::before { transform: translateY(-50%) scaleX(1); }
.hero__accent {
  /* 純色螢光綠，不用 gradient + clip：避免持續動畫 + 文字 raster 糊化 */
  color: var(--accent);
}

/* Hero 標題：整段淡入（不拆字、不 inline-block、不 transform，避免任何 GPU raster 糊化） */
.hero__title { opacity: 0; transition: opacity 0.6s var(--ease-out); }
.hero.is-revealed .hero__title { opacity: 1; }
.hero.is-settled .hero__title { transition: none; }
/* reveal 元素：完成後清除 transform 避免常駐 GPU 圖層 */
.reveal.is-settled { transform: none; transition: none; will-change: auto; }

.hero__sub {
  display: grid;
  grid-template-columns: 1.2fr auto;
  gap: 40px;
  align-items: end;
  margin-bottom: 56px;
}
@media (max-width: 720px) {
  .hero__sub { grid-template-columns: 1fr; gap: 24px; align-items: start; }
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  background: var(--accent);
  color: var(--accent-text);
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: all 0.25s var(--ease-out);
  box-shadow: 0 8px 32px rgba(107, 255, 142, 0.3);
}
.hero__cta:hover { transform: translateY(-2px); box-shadow: 0 16px 48px rgba(107, 255, 142, 0.5); }
.hero__cta svg { transition: transform 0.25s var(--ease-out); }
.hero__cta:hover svg { transform: translateX(4px); }

/* 浮動產品 mini cards（hero 右側）— 不超出畫面，3 張完整可見 */
.hero__floats {
  position: absolute;
  top: 80px;
  right: 16px;
  width: 320px;
  height: 540px;
  pointer-events: none;
}
@media (max-width: 1180px) { .hero__floats { display: none; } }
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(20, 22, 28, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  font-family: var(--font-sans);
  animation: floatY 6s ease-in-out infinite;
}
.float-card span { font-size: 26px; }
.float-card b { display: block; font-size: 14px; color: var(--text-primary); font-weight: 700; }
.float-card i { display: block; font-style: normal; font-size: 11px; color: var(--accent); }
.float-card--1 { top: 40px; right: 0; transform: rotate(-3deg); animation-delay: 0s; }
.float-card--2 { top: 200px; right: 90px; transform: rotate(4deg); animation-delay: -2s; }
.float-card--3 { top: 360px; right: 12px; transform: rotate(-2deg); animation-delay: -4s; }
@keyframes floatY {
  0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)); }
  50% { transform: translateY(-10px) rotate(var(--r, 0deg)); }
}

/* === 巨型跑馬燈 === */
.marquee {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 32px 0;
  background: linear-gradient(180deg, transparent, rgba(107, 255, 142, 0.04), transparent);
  white-space: nowrap;
}
.marquee--lg { padding: 48px 0; }
.marquee--md { padding: 28px 0; }
.marquee--sm { padding: 20px 0; }
.marquee__track {
  display: inline-flex;
  align-items: center;
  gap: 48px;
  font-family: var(--font-sans);
  font-size: clamp(40px, 7vw, 96px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  animation: marqueeScroll 40s linear infinite;
  text-transform: uppercase;
}
.marquee--md .marquee__track { font-size: clamp(28px, 4vw, 52px); }
.marquee--sm .marquee__track { font-size: clamp(18px, 2.4vw, 30px); animation-duration: 30s; }
.marquee__track--alt {
  font-style: italic;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 50%, var(--text-primary) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: marqueeScroll 50s linear infinite, gradientShift 4s ease-in-out infinite;
}
.marquee__sep {
  color: var(--accent);
  font-size: 0.6em;
  opacity: 0.7;
  font-style: normal;
}
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* === 整體成就 === */
.achievements {
  padding: 100px 0;
  position: relative;
}
.achievements__title {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 56px;
}
.achievements__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
}
@media (max-width: 1180px) { .achievements__grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .achievements__grid { grid-template-columns: repeat(2, 1fr); } }
.ach { padding: 28px 20px; }
@media (max-width: 720px) { .ach { padding: 22px 16px; } }
@media (max-width: 480px) { .ach { padding: 18px 14px; } }
.ach {
  border-right: 1px solid var(--border-soft);
  text-align: left;
  transition: background 0.3s;
  min-width: 0;
}
.ach:hover { background: rgba(107, 255, 142, 0.04); }
.ach:last-child { border-right: none; }
@media (max-width: 1180px) {
  .ach:nth-child(3n) { border-right: none; }
  .ach:nth-child(-n+3) { border-bottom: 1px solid var(--border-soft); }
}
@media (max-width: 720px) {
  .ach:nth-child(3n) { border-right: 1px solid var(--border-soft); }
  .ach:nth-child(-n+3) { border-bottom: 1px solid var(--border-soft); }
  .ach:nth-child(odd) { border-right: 1px solid var(--border-soft); }
  .ach:nth-child(even) { border-right: none; }
  .ach:not(:nth-last-child(-n+2)) { border-bottom: 1px solid var(--border-soft); }
}
.ach__num {
  display: flex;
  align-items: baseline;
  flex-wrap: nowrap;
  white-space: nowrap;
  font-family: 'Space Grotesk', var(--font-sans);
  font-size: clamp(28px, 3.4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  line-height: 1.05;
  margin-bottom: 8px;
}
.ach__prefix { font-size: 0.55em; color: var(--text-tertiary); font-weight: 600; margin-right: 2px; flex-shrink: 0; }
.ach__main { flex-shrink: 0; }
.ach__unit { font-size: 0.55em; color: var(--text-secondary); font-weight: 500; margin-left: 1px; flex-shrink: 0; }
.ach__suffix { font-size: 0.45em; color: var(--accent); font-weight: 700; margin-left: 3px; flex-shrink: 0; }
.ach__lab {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  font-family: var(--font-sans);
}

/* === Card 邊框光（mouse-following border light） === */
.card {
  position: relative;
}
.card__glow {
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: radial-gradient(
    280px circle at var(--mx, 0) var(--my, 0),
    rgba(107, 255, 142, 0.5),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 0;
  pointer-events: none;
  mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 1px;
}
.card:hover .card__glow { opacity: 1; }
.card__cover, .card__body { position: relative; z-index: 1; }

/* === Hall of Fame ===（橫向 scroller） */
.hall {
  padding: 100px 0 32px;
  position: relative;
}
.hall__lead {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: -32px 0 56px;
}
.hall__scroller {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 60px;
}
.hall__scroller::-webkit-scrollbar { display: none; }
.hall__track {
  display: flex;
  gap: 24px;
  padding: 0 32px;
  width: max-content;
}
.hall__card {
  flex: 0 0 480px;
  height: 540px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-soft);
  overflow: hidden;
  scroll-snap-align: start;
  position: relative;
  cursor: pointer;
  transition: transform 0.4s var(--ease-out), border-color 0.4s;
}
.hall__card:hover { transform: translateY(-8px); border-color: var(--accent); }
.hall__cover {
  height: 320px;
  background: linear-gradient(135deg, var(--g1) 0%, var(--g2) 100%);
  position: relative;
  overflow: hidden;
}
.hall__cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.25) 0%, transparent 60%),
              linear-gradient(180deg, transparent, rgba(0,0,0,0.4));
}
.hall__icon {
  position: absolute;
  bottom: 32px;
  left: 36px;
  font-size: 100px;
  filter: drop-shadow(0 8px 32px rgba(0,0,0,0.4));
  z-index: 1;
}
.hall__rank {
  position: absolute;
  top: 24px;
  left: 36px;
  font-family: 'Space Grotesk', var(--font-sans);
  font-size: 64px;
  font-weight: 800;
  color: rgba(255,255,255,0.85);
  z-index: 1;
  line-height: 1;
  letter-spacing: -0.02em;
}
.hall__rank::before { content: '#'; font-size: 0.6em; opacity: 0.6; }
.hall__body { padding: 28px 36px; }
.hall__cat {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  border: 1px solid rgba(107, 255, 142, 0.2);
  color: var(--accent);
  font-size: 11.5px;
  font-weight: 600;
  margin-bottom: 12px;
}
.hall__title { font-size: 26px; font-weight: 800; margin: 0 0 8px; letter-spacing: -0.01em; }
.hall__sub { font-family: var(--font-sans); font-size: 12px; letter-spacing: 0.14em; color: var(--text-tertiary); text-transform: uppercase; margin-bottom: 14px; }
.hall__highlight { font-size: 14px; color: var(--text-secondary); line-height: 1.55; }

/* === 學員/業界見證 === */
.voices { padding: 120px 0 100px; position: relative; }
.voices__grid {
  columns: 3;
  column-gap: 24px;
}
@media (max-width: 980px) { .voices__grid { columns: 2; } }
@media (max-width: 640px) { .voices__grid { columns: 1; } }
.voice {
  break-inside: avoid;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 0 0 24px;
  position: relative;
  transition: all 0.3s var(--ease-out);
}
.voice:hover { transform: translateY(-2px); border-color: var(--accent); }
.voice__quote-mark {
  position: absolute;
  top: 16px;
  right: 24px;
  font-family: 'Space Grotesk', serif;
  font-size: 80px;
  line-height: 1;
  color: var(--accent);
  opacity: 0.18;
}
.voice__rating { color: var(--accent); font-size: 13px; margin-bottom: 14px; letter-spacing: 0.1em; }
.voice__quote {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  margin: 0 0 24px;
  font-weight: 500;
}
.voice__author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--border-soft);
}
.voice__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #4FE890);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-text);
  flex-shrink: 0;
}
.voice__name { font-size: 14px; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }
.voice__meta { font-size: 12px; color: var(--text-tertiary); font-family: var(--font-sans); }
.voice__company { color: var(--accent); font-weight: 600; }

/* === Partners + Press === */
.partners { padding: 100px 0; }
.partners__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}
@media (max-width: 720px) { .partners__grid { grid-template-columns: repeat(2, 1fr); } }
.partner {
  padding: 24px 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  transition: all 0.3s;
}
.partner:hover {
  border-color: var(--accent);
  background: rgba(107, 255, 142, 0.04);
  transform: translateY(-2px);
}
.partner__name {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
  font-family: 'Space Grotesk', var(--font-sans);
  letter-spacing: -0.01em;
}
.partner__tag {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.4;
}

.press {
  border-top: 1px solid var(--border-soft);
  padding-top: 24px;
}
.press__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  font-family: var(--font-sans);
  margin: 0 0 24px;
}
.press__item {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-soft);
  transition: padding 0.3s;
}
.press__item:hover { padding-left: 12px; }
.press__source {
  flex: 0 0 180px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}
.press__headline {
  flex: 1;
  font-size: 17px;
  color: var(--text-primary);
  line-height: 1.4;
  font-weight: 500;
}
@media (max-width: 720px) {
  .press__item { flex-direction: column; gap: 6px; padding: 16px 0; }
  .press__source { flex: none; }
  .press__headline { font-size: 15px; }
}

/* === Final CTA === */
.finalcta {
  padding: 140px 0;
  text-align: center;
  position: relative;
  background: radial-gradient(circle at 50% 50%, rgba(107, 255, 142, 0.08), transparent 60%);
}
.finalcta__title {
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 0 0 32px;
}
.finalcta__lead {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0 0 40px;
  font-family: var(--font-sans);
}
.finalcta__row {
  display: inline-flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.btn--primary {
  background: var(--accent);
  color: var(--accent-text);
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  box-shadow: 0 8px 32px rgba(107, 255, 142, 0.35);
  transition: all 0.25s var(--ease-out);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 48px rgba(107, 255, 142, 0.5); }
.finalcta .btn--ghost {
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-sans);
}

/* ============================================================
   選取顏色
   ============================================================ */
::selection { background: var(--accent); color: var(--accent-text); }

/* 滾動條（webkit） */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-elev-2); border-radius: 10px; border: 2px solid var(--bg-base); }
::-webkit-scrollbar-thumb:hover { background: var(--border-mid); }