:root {
  --ink: #181713;
  --paper: #f5f0e4;
  --paper-2: #fffaf0;
  --milk: #f4c85b;
  --milk-2: #ffdb7a;
  --line: rgba(24, 23, 19, 0.14);
  --muted: #706b5f;
  --shadow: 0 24px 70px rgba(54, 41, 8, 0.14);
  --radius: 28px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 221, 129, .34), transparent 28%),
    radial-gradient(circle at 100% 12%, rgba(244, 200, 91, .2), transparent 24%),
    var(--paper);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

button, a { font: inherit; }

button { color: inherit; }

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

::selection {
  background: var(--milk);
  color: var(--ink);
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .14;
  z-index: 100;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.14'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.site-header {
  width: min(1320px, calc(100% - 48px));
  margin: 24px auto 0;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border: 1px solid var(--line);
  background: rgba(255, 250, 240, .76);
  backdrop-filter: blur(18px);
  border-radius: 20px;
  position: sticky;
  top: 14px;
  z-index: 50;
  box-shadow: 0 12px 40px rgba(70, 52, 10, .08);
}

.brand {
  border: 0;
  background: transparent;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  text-align: left;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--milk-2);
  border-radius: 50%;
  font-weight: 900;
  transform: rotate(-5deg);
  transition: transform .25s ease;
}

.brand:hover .brand-mark {
  transform: rotate(7deg) scale(1.06);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: .08em;
}

.brand-copy small {
  font-size: 9px;
  letter-spacing: .16em;
  color: var(--muted);
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
}

.top-nav a {
  color: #4f4b42;
}

.nav-button,
.filter-button {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.46);
  cursor: pointer;
}

.nav-button {
  padding: 9px 14px;
  border-radius: 999px;
}

main {
  width: min(1320px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  min-height: 760px;
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  gap: 64px;
  align-items: center;
  padding: 74px 10px 70px;
}

.eyebrow,
.section-kicker,
.kicker {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 11px;
  font-weight: 800;
  color: #8c742c;
}

.hero h1 {
  margin: 22px 0 26px;
  font-size: clamp(48px, 6vw, 92px);
  line-height: .98;
  letter-spacing: -.055em;
  font-weight: 900;
}

.hero-lead {
  max-width: 650px;
  font-size: 18px;
  line-height: 1.85;
  color: #5f5a50;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 34px;
}

.primary-button,
.ghost-button {
  border-radius: 999px;
  padding: 13px 20px;
  border: 1px solid var(--ink);
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.primary-button {
  background: var(--ink);
  color: #fff8df;
  box-shadow: 0 10px 24px rgba(24, 23, 19, .16);
}

.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-2px);
}

.primary-button:hover {
  box-shadow: 0 15px 28px rgba(24, 23, 19, .22);
}

.ghost-button {
  background: transparent;
}

.primary-button.compact {
  padding: 10px 16px;
  font-size: 13px;
}

.mini-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 42px;
  margin-top: 36px;
  border-top: 1px solid var(--line);
  color: #777166;
  font-size: 12px;
}

.mini-stats strong {
  color: var(--ink);
  font-size: 20px;
  margin-right: 4px;
}

.featured-card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 14px 14px 20px;
  border-radius: 34px;
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
  transition: transform .35s ease;
}

.featured-card:hover {
  transform: rotate(0deg) translateY(-4px);
}

.featured-image-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  background: #eadcae;
  aspect-ratio: 1.18 / 1;
}

.featured-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.featured-card:hover img {
  transform: scale(1.025);
}

.specimen-tag {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(20, 19, 15, .82);
  color: white;
  font-size: 9px;
  letter-spacing: .14em;
  backdrop-filter: blur(10px);
}

.featured-meta {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 8px 12px;
}

.featured-meta h2 {
  font-size: 28px;
  margin: 5px 0 0;
}

.year {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.curator-note {
  margin: 0 8px 18px;
  color: #5d584f;
  line-height: 1.75;
  font-size: 14px;
}

.meter-grid {
  border-top: 1px solid var(--line);
  margin: 0 8px;
  padding-top: 13px;
  display: grid;
  gap: 11px;
}

.meter-row {
  display: grid;
  grid-template-columns: 76px 1fr 28px;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--muted);
}

.meter-row b {
  color: var(--ink);
  text-align: right;
}

.meter {
  height: 5px;
  border-radius: 999px;
  background: #e4ded2;
  overflow: hidden;
}

.meter i {
  display: block;
  width: var(--value);
  height: 100%;
  background: var(--milk);
  border-radius: inherit;
  transition: width .45s ease;
}

.manifesto {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 64px 0;
  display: grid;
  grid-template-columns: 90px 1fr 1fr;
  gap: 36px;
  align-items: start;
}

.manifesto-number {
  font-size: 64px;
  line-height: 1;
  font-weight: 900;
  color: var(--milk);
  -webkit-text-stroke: 1px rgba(24,23,19,.16);
}

.manifesto h2,
.section-heading h2,
.certificate-section h2 {
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: -.035em;
  margin: 8px 0 0;
}

.manifesto p {
  margin: 4px 0 0;
  color: #615d54;
  line-height: 1.85;
  font-size: 15px;
}

.gallery-section {
  padding: 100px 0 110px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 32px;
}

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.filter-button {
  padding: 9px 13px;
  border-radius: 999px;
  font-size: 12px;
  color: #5f5a51;
}

.filter-button.active {
  color: #fff7dc;
  background: var(--ink);
  border-color: var(--ink);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.art-card {
  grid-column: span 4;
  border: 1px solid var(--line);
  background: rgba(255,250,240,.76);
  border-radius: 22px;
  padding: 10px;
  cursor: pointer;
  text-align: left;
  transition: transform .25s ease, box-shadow .25s ease, opacity .25s ease;
  overflow: hidden;
}

.art-card:nth-child(5n + 1) {
  grid-column: span 5;
}

.art-card:nth-child(5n + 2) {
  grid-column: span 3;
}

.art-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(49,37,8,.12);
}

.art-card[hidden] {
  display: none;
}

.art-card-image {
  overflow: hidden;
  border-radius: 15px;
  aspect-ratio: 1.1 / 1;
  background: #e9dfc5;
}

.art-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s cubic-bezier(.2,.8,.2,1);
}

.art-card:hover img {
  transform: scale(1.045);
}

.art-card-meta {
  padding: 14px 6px 7px;
}

.art-card-meta small {
  color: #9a8034;
  font-size: 9px;
  letter-spacing: .12em;
  font-weight: 800;
}

.art-card-meta h3 {
  margin: 5px 0 6px;
  font-size: 18px;
  line-height: 1.25;
}

.art-card-meta p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.certificate-section {
  margin-bottom: 90px;
  padding: 56px;
  border-radius: 28px;
  display: grid;
  grid-template-columns: 1fr 320px;
  align-items: end;
  gap: 50px;
  background: var(--ink);
  color: #fff7df;
  position: relative;
  overflow: hidden;
}

.certificate-section::after {
  content: "奶";
  position: absolute;
  right: -30px;
  top: -88px;
  font-size: 300px;
  font-weight: 900;
  color: rgba(244,200,91,.07);
  transform: rotate(8deg);
  pointer-events: none;
}

.certificate-section .section-kicker {
  color: var(--milk);
}

.certificate-section p {
  color: rgba(255,247,223,.66);
  line-height: 1.7;
}

.certificate-progress {
  position: relative;
  z-index: 1;
}

.certificate-progress > span {
  display: block;
  text-align: right;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 10px;
}

.certificate-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  overflow: hidden;
}

.certificate-bar i {
  display: block;
  width: 0%;
  height: 100%;
  background: var(--milk);
  transition: width .4s ease;
}

footer {
  width: min(1320px, calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 48px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.75;
}

footer div {
  display: grid;
  gap: 6px;
}

footer strong {
  color: var(--ink);
  font-size: 14px;
}

footer p {
  margin: 0;
}

footer a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.floating-naiwa {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 35;
  width: 58px;
  height: 58px;
  border-radius: 46% 54% 50% 50%;
  display: grid;
  place-items: center;
  background: var(--milk);
  border: 2px solid var(--ink);
  font-weight: 900;
  box-shadow: 0 10px 30px rgba(46,33,5,.2);
  cursor: pointer;
  user-select: none;
  animation: bob 3.5s ease-in-out infinite;
}

.floating-naiwa::before,
.floating-naiwa::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink);
  top: 18px;
}

.floating-naiwa::before { left: 16px; }
.floating-naiwa::after { right: 16px; }

@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-8px) rotate(2deg); }
}

.modal,
.secret-panel {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
}

.modal.open,
.secret-panel.open {
  display: grid;
}

.modal {
  place-items: center;
  padding: 24px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16,15,12,.72);
  backdrop-filter: blur(10px);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(1000px, 96vw);
  max-height: 90vh;
  overflow: auto;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  background: var(--paper-2);
  border-radius: 28px;
  box-shadow: 0 40px 120px rgba(0,0,0,.32);
}

.modal-close {
  position: absolute;
  right: 16px;
  top: 16px;
  z-index: 2;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(24,23,19,.7);
  color: white;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.modal-image-wrap {
  min-height: 560px;
  background: #e7dcc0;
}

.modal-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-content {
  padding: 54px 42px 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.modal-content h2 {
  font-size: 34px;
  margin: 8px 0 18px;
  line-height: 1.1;
}

.modal-content p {
  color: #5f5b51;
  line-height: 1.8;
}

.modal-content blockquote {
  margin: 18px 0 26px;
  padding-left: 18px;
  border-left: 3px solid var(--milk);
  line-height: 1.7;
  color: #2d2a24;
  font-weight: 700;
}

.modal-score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
  margin-bottom: 24px;
}

.modal-score {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 4px;
}

.modal-score span {
  font-size: 10px;
  color: var(--muted);
}

.modal-score strong {
  font-size: 24px;
}

.secret-panel {
  place-items: center;
  background: #10100e;
  color: #fff7df;
  padding: 24px;
}

.secret-panel::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  border: 1px solid rgba(244,200,91,.2);
  box-shadow:
    0 0 0 70px rgba(244,200,91,.03),
    0 0 0 140px rgba(244,200,91,.02);
}

.secret-inner {
  z-index: 1;
  max-width: 620px;
  text-align: center;
}

.secret-code {
  color: var(--milk);
  font-size: 11px;
  letter-spacing: .2em;
}

.secret-inner h2 {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1;
  margin: 18px 0;
}

.secret-inner p {
  color: rgba(255,247,223,.7);
  line-height: 1.8;
  margin-bottom: 28px;
}

.secret-panel .ghost-button {
  border-color: rgba(255,255,255,.55);
  color: white;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  z-index: 200;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  background: var(--ink);
  color: #fff7df;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  padding: 11px 18px;
  font-size: 12px;
  transition: opacity .25s ease, transform .25s ease;
  box-shadow: 0 14px 40px rgba(0,0,0,.24);
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 980px) {
  .top-nav a { display: none; }

  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 62px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .featured-card {
    max-width: 680px;
  }

  .manifesto {
    grid-template-columns: 60px 1fr;
  }

  .manifesto p {
    grid-column: 2;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .filters {
    justify-content: flex-start;
  }

  .art-card,
  .art-card:nth-child(5n + 1),
  .art-card:nth-child(5n + 2) {
    grid-column: span 6;
  }

  .certificate-section {
    grid-template-columns: 1fr;
  }

  .modal-card {
    grid-template-columns: 1fr;
    max-width: 720px;
  }

  .modal-image-wrap {
    min-height: 320px;
    max-height: 48vh;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 640px) {
  .site-header,
  main,
  footer {
    width: min(100% - 28px, 1320px);
  }

  .site-header {
    top: 8px;
    margin-top: 10px;
    border-radius: 16px;
  }

  .brand-copy small { display: none; }
  .brand-copy strong { font-size: 13px; }

  .top-nav {
    gap: 8px;
  }

  .nav-button {
    padding: 8px 10px;
    font-size: 11px;
  }

  .hero {
    min-height: auto;
    padding: 52px 0 64px;
  }

  .hero h1 {
    font-size: 50px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .mini-stats {
    gap: 12px 20px;
  }

  .featured-card {
    border-radius: 24px;
  }

  .featured-image-wrap {
    border-radius: 17px;
  }

  .manifesto {
    grid-template-columns: 1fr;
    padding: 46px 0;
    gap: 18px;
  }

  .manifesto-number {
    font-size: 44px;
  }

  .manifesto p {
    grid-column: 1;
  }

  .gallery-section {
    padding: 70px 0;
  }

  .filters {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }

  .filter-button {
    flex: 0 0 auto;
  }

  .gallery-grid {
    gap: 10px;
  }

  .art-card,
  .art-card:nth-child(5n + 1),
  .art-card:nth-child(5n + 2) {
    grid-column: span 12;
  }

  .certificate-section {
    padding: 34px 26px;
    margin-bottom: 56px;
    border-radius: 22px;
  }

  .certificate-progress {
    width: 100%;
  }

  .modal {
    padding: 10px;
  }

  .modal-card {
    border-radius: 20px;
    max-height: 95vh;
  }

  .modal-content {
    padding: 30px 22px 26px;
  }

  .modal-image-wrap {
    min-height: 270px;
  }

  .modal-score-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .floating-naiwa {
    width: 50px;
    height: 50px;
    right: 14px;
    bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}