:root {
  --brand: #1FBF75;
  --kiwi: #A8E05F;
  --orange: #FF5A36;
  --ink: #0B231C;
  --paper: #F3EBDD;
  --lemon: #FFE45E;
  --berry: #8B4DFF;
  --black: #121815;
  --mist: #6B7F76;
  --bench: #DDE5DF;
  --midnight: #123B2D;
  --warmwhite: #FFF9EE;
  --font-display: "Arial Black", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --shell-max: 1180px;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-pill: 999px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --line: rgba(11, 35, 28, .14);
  --line-light: rgba(255, 249, 238, .14);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--black);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.012em;
}

p { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

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

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

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}

.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: 22px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 300;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  background: var(--ink);
  color: var(--kiwi);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  transform: translateY(-180%);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  isolation: isolate;
}

.header-console {
  background: var(--ink);
  overflow: hidden;
  max-height: 64px;
  opacity: 1;
  transition: max-height .34s var(--ease), opacity .22s linear;
}
.site-header[data-scrolled="true"] .header-console {
  max-height: 0;
  opacity: 0;
}

.console-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 42px;
  padding-block: 6px;
}

.console-brand {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--kiwi);
  white-space: nowrap;
}

.console-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: rgba(255, 249, 238, .72);
  white-space: nowrap;
}

.console-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(31, 191, 117, .18);
  animation: console-pulse 2.6s var(--ease) infinite;
}

@keyframes console-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(31, 191, 117, .18); }
  50% { box-shadow: 0 0 0 7px rgba(31, 191, 117, .04); }
}

.console-action {
  flex: 0 0 auto;
  padding: 5px 14px;
  border-radius: var(--r-pill);
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  transition: background .18s var(--ease), transform .18s var(--ease);
}
.console-action:hover { background: var(--lemon); transform: translateY(-1px); }

.stand-nav { padding: 0; }

.nav-shell {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 10px 7px 12px;
  margin-top: 12px;
  margin-bottom: 14px;
  background: rgba(255, 249, 238, .92);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  box-shadow: 0 16px 36px -24px rgba(11, 35, 28, .8);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition: padding .3s var(--ease), margin .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header[data-scrolled="true"] .nav-shell {
  padding: 4px 8px 4px 10px;
  margin-top: 8px;
  margin-bottom: 10px;
  box-shadow: 0 10px 26px -18px rgba(11, 35, 28, .85);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding-right: 4px;
}

.nav-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(140deg, var(--kiwi), var(--brand));
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  transform: rotate(-4deg);
  box-shadow: inset 0 0 0 1px rgba(11, 35, 28, .22);
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
  line-height: 1.05;
  color: var(--ink);
}

.nav-brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: .26em;
  color: var(--mist);
}

.nav-menu {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 500;
  color: rgba(18, 24, 21, .78);
  white-space: nowrap;
  transition: background .18s var(--ease), color .18s var(--ease);
}
.nav-link:hover { background: rgba(31, 191, 117, .16); color: var(--ink); }
.nav-link[aria-current="page"] {
  background: var(--ink);
  color: var(--kiwi);
  box-shadow: inset 0 0 0 1px rgba(168, 224, 95, .42);
}

.nav-toggle {
  display: none;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-left: auto;
  border-radius: 50%;
  background: var(--ink);
  color: var(--warmwhite);
  border: 1px solid rgba(11, 35, 28, .24);
  transition: background .18s var(--ease);
}
.nav-toggle:hover { background: var(--midnight); }

.nav-toggle-bar {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: background .2s var(--ease);
}
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .22s var(--ease), top .22s var(--ease);
}
.nav-toggle-bar::before { top: -5px; }
.nav-toggle-bar::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { top: 0; transform: rotate(-45deg); }

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  display: block;
  width: var(--progress, 0%);
  height: 2px;
  border-radius: 0 2px 2px 0;
  background: linear-gradient(90deg, var(--brand), var(--lemon) 56%, var(--orange));
  transition: width .12s linear;
  pointer-events: none;
}

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--warmwhite);
}
.site-footer::before {
  content: "";
  display: block;
  height: 10px;
  background: repeating-linear-gradient(115deg, var(--brand) 0 16px, var(--kiwi) 16px 24px, var(--ink) 24px 40px);
}

.footer-shell {
  position: relative;
  z-index: 1;
  padding-block: 54px 34px;
}

.footer-lead {
  display: grid;
  gap: 14px;
  max-width: 660px;
}

.footer-brand {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--warmwhite);
}

.footer-brand-en {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .3em;
  color: var(--kiwi);
}

.footer-line {
  max-width: 46ch;
  font-size: 15px;
  color: rgba(255, 249, 238, .72);
}

.footer-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.footer-chip {
  padding: 5px 11px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(168, 224, 95, .34);
  background: rgba(168, 224, 95, .07);
  color: var(--kiwi);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line-light);
}

.footer-col-title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--lemon);
}

.footer-list { display: grid; gap: 9px; }

.footer-link {
  display: inline-block;
  font-size: 15px;
  color: rgba(255, 249, 238, .78);
  transition: color .18s var(--ease), padding-left .18s var(--ease);
}
.footer-link:hover { color: var(--kiwi); padding-left: 5px; }

.footer-base {
  position: relative;
  z-index: 1;
  background: var(--midnight);
  border-top: 1px solid var(--line-light);
}

.footer-base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  padding-block: 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .03em;
  color: rgba(255, 249, 238, .66);
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
}

.footer-contact-item {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: rgba(255, 249, 238, .74);
}

.footer-contact-label { color: var(--kiwi); }

.footer-copy {
  padding: 4px 11px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(168, 224, 95, .4);
  background: rgba(168, 224, 95, .08);
  color: var(--kiwi);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.footer-copy:hover { background: var(--kiwi); color: var(--ink); }
.footer-copy.is-copied { background: var(--lemon); border-color: var(--lemon); color: var(--ink); }

.footer-legal {
  margin-left: auto;
  color: rgba(255, 249, 238, .58);
  white-space: nowrap;
}

/* ---------- shared content components ---------- */
.surface-ink { background: var(--ink); color: var(--warmwhite); }
.surface-paper { background: var(--paper); color: var(--black); }

.section-head {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 14px 18px;
  padding-bottom: 18px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.section-num {
  padding-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--orange);
}

.section-title { font-size: clamp(24px, 3.4vw, 38px); }

.section-sub {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--brand);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(11, 35, 28, .06);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
}
.tag--kiwi { background: var(--kiwi); border-color: transparent; }
.tag--lemon { background: var(--lemon); border-color: transparent; }
.tag--orange { background: var(--orange); border-color: transparent; color: var(--ink); }
.tag--berry { background: var(--berry); border-color: transparent; color: #fff; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .18s var(--ease), background .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease);
}
.btn--primary {
  background: var(--orange);
  color: var(--black);
  box-shadow: 0 10px 22px -14px rgba(255, 90, 54, .95);
}
.btn--primary:hover { background: #ff7154; transform: translateY(-2px); }
.btn--kiwi { background: var(--kiwi); color: var(--ink); }
.btn--kiwi:hover { background: #b8e878; transform: translateY(-2px); }
.btn--ghost { background: transparent; border-color: rgba(11, 35, 28, .26); color: var(--ink); }
.btn--ghost:hover { background: rgba(11, 35, 28, .07); }
.btn--onink { background: transparent; border-color: rgba(255, 249, 238, .32); color: var(--warmwhite); }
.btn--onink:hover { background: rgba(255, 249, 238, .12); }

.card {
  padding: 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--warmwhite);
  box-shadow: 0 18px 36px -32px rgba(11, 35, 28, .8);
}

.card-kicker {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--mist);
}

.card-title { font-size: clamp(20px, 2.4vw, 26px); margin-bottom: 10px; }

.card-text { font-size: 15.5px; color: rgba(18, 24, 21, .78); }

.media-frame {
  position: relative;
  overflow: hidden;
  min-height: 200px;
  border-radius: var(--r-md);
  border: 1px solid rgba(11, 35, 28, .16);
  background:
    radial-gradient(circle at 22% 22%, rgba(168, 224, 95, .48), transparent 44%),
    radial-gradient(circle at 78% 72%, rgba(139, 77, 255, .34), transparent 48%),
    linear-gradient(150deg, var(--midnight), var(--ink));
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 42%;
  background: repeating-linear-gradient(115deg, rgba(255, 228, 94, .22) 0 10px, transparent 10px 24px);
  pointer-events: none;
}
.media-frame img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

.breadcrumb { margin-bottom: 20px; }

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.breadcrumb-item { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb-item + .breadcrumb-item::before { content: "/"; color: rgba(107, 127, 118, .6); }

.breadcrumb-link { color: var(--ink); transition: color .18s var(--ease); }
.breadcrumb-link:hover { color: var(--brand); }

.prose { max-width: 68ch; font-size: 17px; }
.prose p + p { margin-top: 16px; }
.prose ul { margin-top: 14px; display: grid; gap: 8px; }
.prose li { padding-left: 18px; position: relative; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--brand);
  transform: rotate(45deg);
}

.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.stand-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.stand-table th,
.stand-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.stand-table th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}
.stand-table td { font-variant-numeric: tabular-nums; }
.stand-table tbody tr:nth-child(even) { background: rgba(221, 229, 223, .5); }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.filter-btn {
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(11, 35, 28, .18);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.filter-btn:hover { background: rgba(168, 224, 95, .38); }
.filter-btn.is-active { background: var(--ink); color: var(--kiwi); border-color: var(--ink); }

.is-filtered-out { display: none !important; }

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .nav-toggle { display: grid; }
  .nav-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
    padding: 10px;
    border-radius: var(--r-lg);
    background: rgba(11, 35, 28, .97);
    border: 1px solid rgba(168, 224, 95, .26);
    box-shadow: 0 26px 54px -26px rgba(0, 0, 0, .8);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s linear;
  }
  .nav-menu[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link {
    justify-content: flex-start;
    padding: 12px 16px;
    border-radius: var(--r-md);
    font-size: 15px;
    color: rgba(255, 249, 238, .86);
  }
  .nav-link:hover { background: rgba(168, 224, 95, .16); color: var(--kiwi); }
  .nav-link[aria-current="page"] { background: var(--kiwi); color: var(--ink); box-shadow: none; }

  .grid--2, .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .console-note { display: none; }
  .console-brand { font-size: 10.5px; letter-spacing: .08em; }
  .console-inner { min-height: 38px; }
  .nav-shell { padding: 6px 8px 6px 10px; margin-top: 10px; margin-bottom: 12px; }
  .nav-mark { width: 30px; height: 30px; border-radius: 9px; font-size: 11.5px; }
  .nav-brand-text { font-size: 14.5px; }
  .nav-brand-sub { letter-spacing: .18em; }

  .footer-shell { padding-block: 40px 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; margin-top: 32px; padding-top: 26px; }
  .footer-base-inner { font-size: 11px; gap: 10px 16px; }
  .footer-legal { margin-left: 0; white-space: normal; }

  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .section-sub { margin-left: 0; }
}

@media (max-width: 520px) {
  .shell { padding-inline: 16px; }
  .console-action { padding: 4px 11px; font-size: 11px; }
  .footer-contact { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .scroll-progress { transition: none; }
}