:root {
  --bg: #f2ede7;
  --paper: #fdfcfa;
  --text: #161616;
  --text-emp: #333333;
  --text-mute: #535353;
  --text-faint: #b1b1b1;
  --line: #e5e5e5;
  --line-strong: #cfc8be;
  --inverse: #ffffff;
  --ease-quiet: cubic-bezier(.22, 1, .36, 1);
  --ease-precise: cubic-bezier(.4, 0, .2, 1);
  --ease-emphasis: cubic-bezier(.16, 1, .3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Roboto', system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  opacity: 0.035; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.italic { font-family: 'Roboto', serif; font-style: italic; font-weight: 100; }
.mono { font-family: 'Roboto Mono', monospace; font-weight: 300; }

/* === HEADER === */
.site-header {
  position: relative;
  z-index: 2;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem 2.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(242, 237, 231, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.site-header__brand {
  font-family: 'Oswald', sans-serif;
  font-weight: 300;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  display: flex; align-items: center; gap: 0.75rem;
}
.site-header__brand::before {
  content: ''; width: 8px; height: 8px;
  background: var(--text);
  border-radius: 50%;
}
.site-header__meta {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: flex; gap: 2rem;
}
.site-header__meta span strong {
  font-weight: 400;
  color: var(--text);
}

/* === HERO === */
.hero {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 5rem 2.5rem 3rem;
}
.hero__eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 1rem;
}
.hero__eyebrow::before {
  content: ''; width: 32px; height: 1px;
  background: var(--text-mute);
}
.hero__title {
  font-family: 'Oswald', sans-serif;
  font-weight: 200;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.line-mask { overflow: hidden; padding: 0.05em 0; }
.line { transform: translateY(110%); display: inline-block; }
.hero__title .italic { font-size: clamp(2.2rem, 5.5vw, 4rem); }
.hero__lede {
  max-width: 680px;
  color: var(--text-emp);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* === SERVICES === */
.services {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto 2.5rem;
  padding: 0 2.5rem;
}
.services__intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.services__label {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.services__desc {
  max-width: 420px;
  color: var(--text-mute);
  font-size: 0.85rem;
  line-height: 1.6;
  text-align: right;
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.services__item {
  background: var(--paper);
  padding: 1.5rem 1.25rem;
  transition: background 0.4s var(--ease-quiet);
}
.services__item:hover { background: rgba(253, 252, 250, 0.6); }
.services__item-num {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--text-faint);
  margin-bottom: 0.75rem;
}
.services__item-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 300;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}
.services__item-desc {
  font-size: 0.82rem;
  color: var(--text-mute);
  line-height: 1.55;
}

/* === FILTER BAR === */
.filterbar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap; gap: 1rem;
}
.filterbar__count {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-mute);
  letter-spacing: 0.1em;
}
.filterbar__count strong {
  color: var(--text);
  font-weight: 400;
}
.filterbar__tabs {
  display: flex; gap: 0.5rem;
  flex-wrap: wrap;
}
.filterbar__tab {
  font-family: 'Roboto', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--text-mute);
  cursor: pointer;
  transition: all 0.4s var(--ease-quiet);
}
.filterbar__tab:hover { color: var(--text); border-color: var(--text); }
.filterbar__tab.is-active {
  background: var(--text);
  color: var(--inverse);
  border-color: var(--text);
}

/* === APP TABLE === */
.app-table {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem 5rem;
  position: relative;
  z-index: 2;
}
.app-table__head {
  display: grid;
  grid-template-columns: 50px 70px 1fr 130px 130px 130px 100px 110px;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--text);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text);
}
.app-table__empty {
  padding: 2.5rem 1.5rem;
  color: var(--text-mute);
  font-size: 0.9rem;
  text-align: center;
  border-bottom: 1px solid var(--line);
}
.app-row {
  position: relative;
  display: grid;
  grid-template-columns: 50px 70px 1fr 130px 130px 130px 100px 110px;
  gap: 1.5rem;
  padding: 1.5rem 1.5rem 1.5rem 1.75rem;
  border-bottom: 1px solid var(--line);
  align-items: center;
  cursor: pointer;
  transition: background 0.5s var(--ease-quiet);
}
.app-row::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 2px; height: 0;
  background: var(--text);
  transition: height 0.6s var(--ease-quiet);
}
.app-row:hover::before { height: 100%; }
.app-row:hover { background: rgba(22,22,22,0.025); }
.app-row:hover .app-row__name { color: var(--text); }
.app-row:hover .app-row__view {
  opacity: 1;
  transform: translateX(0);
}

.app-row__num {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-faint);
}
.app-row__icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  object-fit: cover;
  display: block;
  background: var(--paper);
  border: 1px solid var(--line);
}
.app-row__name-wrap { display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; }
.app-row__name {
  font-family: 'Oswald', sans-serif;
  font-weight: 300;
  font-size: 1.3rem;
  color: var(--text);
  letter-spacing: -0.005em;
  transition: color 0.4s var(--ease-quiet);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.app-row__nameEn {
  font-family: 'Roboto', serif;
  font-style: italic;
  font-weight: 100;
  font-size: 0.85rem;
  color: var(--text-mute);
}
.app-row__meta {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-mute);
}
.app-row__tag {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--line-strong);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-emp);
}
.app-row__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}
.app-row__qr {
  font-family: 'Roboto', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.6rem;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--text-mute);
  cursor: pointer;
  transition: all 0.4s var(--ease-quiet);
}
.app-row__qr:hover {
  color: var(--text);
  border-color: var(--text);
}
.app-row__view {
  font-family: 'Roboto', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0.35;
  transform: translateX(-8px);
  transition: opacity 0.4s var(--ease-quiet), transform 0.4s var(--ease-quiet);
  display: flex; align-items: center; gap: 0.4rem;
}
.app-row__view::after {
  content: '→';
  font-family: 'Roboto Mono', monospace;
}

/* === FOOTER === */
.site-footer {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 2.5rem;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-mute);
  flex-wrap: wrap; gap: 1rem;
}

/* === QR MODAL === */
.qr-modal {
  position: fixed; inset: 0;
  z-index: 1000;
  display: none;
  align-items: center; justify-content: center;
  padding: 2rem;
}
.qr-modal.is-open { display: flex; }
.qr-modal__backdrop {
  position: absolute; inset: 0;
  background: rgba(22, 22, 22, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.4s var(--ease-quiet);
}
.qr-modal.is-open .qr-modal__backdrop { opacity: 1; }
.qr-modal__panel {
  position: relative;
  background: var(--paper);
  width: 100%;
  max-width: 480px;
  max-height: 92vh;
  overflow-y: auto;
  padding: 2.25rem;
  border: 1px solid var(--line-strong);
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.3);
  opacity: 0;
  transform: translateY(20px) scale(0.98);
  transition: opacity 0.5s var(--ease-emphasis), transform 0.5s var(--ease-emphasis);
}
.qr-modal.is-open .qr-modal__panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.qr-modal__close {
  position: absolute;
  top: 0.85rem; right: 0.85rem;
  width: 36px; height: 36px;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  color: var(--text-mute);
  cursor: pointer;
  transition: color 0.3s var(--ease-quiet), transform 0.3s var(--ease-quiet);
  font-family: 'Roboto', sans-serif;
  font-weight: 200;
  line-height: 1;
}
.qr-modal__close:hover {
  color: var(--text);
  transform: rotate(90deg);
}

.qr-modal__head {
  display: flex; gap: 1rem; align-items: center;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.25rem;
}
.qr-modal__icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.qr-modal__head-text { min-width: 0; flex: 1; }
.qr-modal__id {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-faint);
  letter-spacing: 0.15em;
  margin-bottom: 0.15rem;
}
.qr-modal__name {
  font-family: 'Oswald', sans-serif;
  font-weight: 300;
  font-size: 1.65rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 0.1rem;
}
.qr-modal__nameEn {
  font-family: 'Roboto', serif;
  font-style: italic;
  font-weight: 100;
  font-size: 0.9rem;
  color: var(--text-mute);
}

.qr-modal__blurb {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-emp);
  margin-bottom: 1.5rem;
}

.qr-modal__info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1.5rem;
  margin-bottom: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.qr-modal__info > div {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem;
}
.qr-modal__info span {
  color: var(--text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.62rem;
}
.qr-modal__info strong {
  font-weight: 400;
  color: var(--text);
}

.qr-modal__qr-wrap {
  display: flex; flex-direction: column; align-items: center;
  padding: 1.5rem;
  background: var(--inverse);
  border: 1px solid var(--line);
  margin-bottom: 1.5rem;
}
.qr-modal__qr {
  width: 200px;
  height: 200px;
  position: relative;
  overflow: hidden;
  margin: 0 auto 0.85rem;
  flex-shrink: 0;
}
.qr-modal__qr canvas {
  display: none !important;
}
.qr-modal__qr img {
  display: block !important;
  width: 200px !important;
  height: 200px !important;
  object-fit: contain;
}
.qr-modal__hint {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-mute);
  text-align: center;
}

.qr-modal__download {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: 0.6rem;
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--inverse);
  font-family: 'Roboto', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.3s var(--ease-quiet), color 0.3s var(--ease-quiet);
  box-sizing: border-box;
}
.qr-modal__download:hover {
  background: transparent;
  color: var(--text);
}
.qr-modal__page-link {
  margin-top: 0.5rem;
  text-align: center;
}
.qr-modal__open {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-mute);
  text-decoration: none;
  border-bottom: 1px solid var(--text-mute);
  transition: color 0.3s var(--ease-quiet), border-color 0.3s var(--ease-quiet);
  display: inline-block;
}
.qr-modal__open:hover {
  color: var(--text);
  border-color: var(--text);
}

/* === 入场 === */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s var(--ease-quiet), transform 1s var(--ease-quiet);
}
.fade-up.is-in { opacity: 1; transform: translateY(0); }

/* === 响应式 === */
@media (max-width: 900px) {
  .site-header { padding: 1rem 1.25rem; flex-direction: column; gap: 0.75rem; align-items: flex-start; }
  .site-header__meta { gap: 1rem; font-size: 0.62rem; }
  .hero { padding: 3rem 1.25rem 2rem; }
  .services { padding: 0 1.25rem; margin-bottom: 2rem; }
  .services__intro { flex-direction: column; align-items: flex-start; }
  .services__desc { text-align: left; max-width: none; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .filterbar { padding: 0 1.25rem; }
  .app-table { padding: 0 1.25rem 3rem; }
  .app-table__head { display: none; }
  .app-row {
    grid-template-columns: 50px 1fr auto;
    gap: 1rem;
    padding: 1.25rem 0 1.25rem 1.25rem;
  }
  .app-row__num { display: none; }
  .app-row__meta:nth-of-type(3),
  .app-row__meta:nth-of-type(4),
  .app-row__meta:nth-of-type(5),
  .app-row__tag { display: none; }
  .app-row__view { opacity: 1; transform: none; }
  .app-row__qr { display: none; }
  .qr-modal__panel { padding: 1.75rem 1.25rem; }
  .qr-modal__info { grid-template-columns: 1fr; }
  .site-footer { padding: 1.5rem 1.25rem; flex-direction: column; gap: 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .line { transform: none !important; }
  .fade-up { opacity: 1; transform: none; }
}