:root {
  --bg: #ffffff;
  --bg-2: #f6f6f6;
  --surface: #f6f6f6;
  --ink: #111111;
  --muted: #444444;
  --accent: #f26625;
  --line: #e8e8e8;
  --font: "MiSans", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  --display: "Smiley Sans Oblique", "Outfit", "PingFang SC", sans-serif;
  --latin: "Outfit", "MiSans", sans-serif;
  --nav: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", sans-serif;
  --ease: cubic-bezier(0.25, 1, 0.5, 1);
  --z-nav: 40;
  --radius: 8px;
  --radius-sm: 6px;
}

[data-theme="dark"] {
  --bg: #111111;
  --bg-2: #1a1a1a;
  --surface: #1c1c1c;
  --ink: #f4f4f4;
  --muted: #a3a3a3;
  --accent: #ff7a3d;
  --line: #2a2a2a;
}

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

html { scroll-behavior: smooth; color-scheme: light; }
[data-theme="dark"] { color-scheme: dark; }

body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 0.6rem 1rem;
  z-index: 70;
}
.skip:focus { left: 1rem; top: 1rem; }

.grain { display: none; }

.wrap {
  width: min(1200px, calc(100% - 3rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(16px);
}

.nav-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  white-space: nowrap;
  flex-shrink: 0;
}
.brand-word {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.14rem;
  line-height: 1;
}
.brand-zh {
  font-family: var(--nav);
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  line-height: 1.15;
}
.brand-en {
  font-family: var(--latin);
  font-size: 0.56rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--muted);
}

.mark {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 0.15rem 1.35rem;
  align-items: center;
  justify-content: center;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }

.nav-links a {
  position: relative;
  font-family: var(--nav);
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--muted);
  padding: 0.55rem 0;
  white-space: nowrap;
}

.nav-links a:hover { color: var(--ink); }

.nav-links a.is-active {
  color: var(--ink);
  font-weight: 500;
}

.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.15rem;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
}

.theme-btn,
.menu-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  line-height: 1;
  flex-shrink: 0;
}

.menu-btn { display: none !important; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.62rem 1rem;
  border: 0;
  border-radius: 6px;
  background: transparent;
  white-space: nowrap;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--nav);
  letter-spacing: 0.02em;
  transition: transform 0.2s var(--ease), filter 0.2s var(--ease);
}

.btn:active { transform: scale(0.98); }
.btn i { font-style: normal; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  font-weight: 500;
}

.nav-actions .btn-primary {
  height: 36px;
  min-width: 36px;
  padding: 0 1.05rem;
  justify-content: center;
  font-family: var(--nav);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1;
}

.btn-ghost {
  background: var(--bg-2);
  color: var(--ink);
  font-family: var(--nav);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.btn-ghost:hover {
  color: var(--ink);
}

.hero-plain {
  padding: 4.2rem 0 2.4rem;
}

.hero-plain h1,
.page-hero h1,
.display,
.apply-card h2,
h1, h2 {
  font-family: var(--display);
  font-weight: 400;
  font-synthesis: none;
  color: var(--ink);
  letter-spacing: 0.04em;
}

h3 {
  font-family: var(--nav);
  font-weight: 500;
  font-synthesis: none;
  color: var(--ink);
  letter-spacing: 0.01em;
  font-size: 1.08rem;
  line-height: 1.4;
}

.hero-plain h1 {
  font-size: clamp(2.5rem, 5.8vw, 4.4rem);
  line-height: 1.32;
  max-width: 12em;
  letter-spacing: 0.05em;
}

.hero-plain .zh {
  font-family: var(--latin);
  color: var(--muted);
  margin-bottom: 0.9rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  font-weight: 500;
  text-transform: uppercase;
}

.hero-plain p {
  margin-top: 1.1rem;
  max-width: none;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.7;
}

.hero-note {
  margin-top: 1.1rem;
  max-width: none;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.8rem;
}

.hero-bleed {
  display: none;
}

.section { padding: 5.2rem 0; }
.section-tight { padding: 1.6rem 0 4.4rem; }

.display {
  font-size: clamp(2.05rem, 3.8vw, 3.05rem);
  line-height: 1.3;
  max-width: 12em;
  letter-spacing: 0.05em;
}

.lede, .copy {
  margin-top: 1rem;
  max-width: none;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.95;
  letter-spacing: 0.02em;
}

.legal-meta {
  margin-top: 0.85rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.legal-doc h2 {
  font-family: var(--display);
  font-size: clamp(1.28rem, 2.2vw, 1.58rem);
  font-weight: 400;
  font-synthesis: none;
  letter-spacing: 0.04em;
  line-height: 1.4;
  max-width: none;
  margin-top: 2.5rem;
}

.legal-doc h2:first-child { margin-top: 0; }

.legal-doc .copy a {
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.legal-doc .copy a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.text-link {
  display: inline-block;
  margin-top: 0.35rem;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.text-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.program {
  display: grid;
  gap: 2.1rem;
  margin-top: 2rem;
  padding-top: 0.4rem;
}

.program article {
  padding: 0 0 2.1rem;
  border-bottom: 1px solid var(--line);
}

.program article:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.program h3 {
  font-family: var(--nav);
  font-weight: 500;
  font-synthesis: none;
  font-size: 1.08rem;
  letter-spacing: 0.01em;
  line-height: 1.4;
  color: var(--ink);
}

.relation-catalog {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
}

.relation-item {
  padding: 2.2rem 0 2.35rem;
  border-bottom: 1px solid var(--line);
}

.relation-item h3 {
  font-family: var(--nav);
  font-weight: 500;
  font-synthesis: none;
  font-size: 1.28rem;
  letter-spacing: 0.01em;
  line-height: 1.35;
  color: var(--ink);
}

.relation-mode {
  margin-top: 0.45rem;
  margin-bottom: 0.85rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.qa {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2.5rem;
  margin-top: 2.2rem;
}

.qa article { padding: 0; background: transparent; }
.qa b { display: block; font-family: var(--nav); font-weight: 500; font-synthesis: none; font-size: 1.02rem; letter-spacing: 0.01em; margin-bottom: 0.4rem; color: var(--ink); }
.qa span { color: var(--muted); }

.eyebrow {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.55rem;
}

.prose-list {
  margin: 1rem 0 0;
  padding: 0 0 0 1.15rem;
  max-width: none;
  color: var(--muted);
}
.prose-list li { margin: 0.4rem 0; line-height: 1.8; }

.keys {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}
.keys span {
  background: var(--bg-2);
  padding: 0.3rem 0.7rem;
  font-size: 0.85rem;
  border-radius: 999px;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2.6rem;
}

.pair .bezel:last-child { margin-top: 0; }

.panel img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
}

.panel .pad { padding: 1rem 0 0; }
.panel h3 {
  font-family: var(--nav);
  font-size: 1.08rem;
  font-weight: 500;
  font-synthesis: none;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.panel p { margin-top: 0.4rem; color: var(--muted); }

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2.2rem;
}

.compare-col {
  padding: 1.6rem 1.4rem;
  background: var(--bg-2);
  border-radius: var(--radius);
}

.compare-col h3 {
  font-family: var(--nav);
  font-size: 1.05rem;
  font-weight: 500;
  font-synthesis: none;
  letter-spacing: 0.01em;
  margin-bottom: 0.9rem;
}
.compare-col ul { list-style: none; padding: 0; margin: 0; }
.compare-col li { padding: 0.45rem 0; color: var(--muted); }

.bento {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
  margin-top: 2.2rem;
}

.bento a:first-child,
.bento a:last-child { grid-row: auto; grid-column: auto; }

.tile {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 0;
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.tile img {
  position: static;
  width: 100%;
  height: 200px;
  object-fit: cover;
  opacity: 1;
  filter: none;
}

.tile:hover img { transform: none; opacity: 1; }

.tile em, .tile strong, .tile small {
  position: static;
  padding-left: 0.1rem;
}
.tile em {
  display: block;
  margin-top: 0.85rem;
  font-style: normal;
  font-family: var(--latin);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.tile strong {
  display: block;
  font-family: var(--nav);
  font-size: 1.08rem;
  font-weight: 500;
  font-synthesis: none;
  letter-spacing: 0.01em;
  margin-top: 0.2rem;
}
.tile small {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
}

.nodes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.node {
  padding: 1.5rem 1.3rem;
  min-height: 0;
  background: var(--bg-2);
  border-radius: var(--radius);
}
.node b {
  display: block;
  font-family: var(--nav);
  font-size: 1.05rem;
  font-weight: 500;
  font-synthesis: none;
  letter-spacing: 0.01em;
  margin-bottom: 0.4rem;
  color: var(--ink);
}
.node span { color: var(--muted); }

.path {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
  counter-reset: step;
}

.path article {
  padding: 1.4rem 1.2rem 1.5rem;
  background: var(--bg-2);
  border-radius: var(--radius);
}

.path article::before {
  counter-increment: step;
  content: counter(step);
  display: block;
  font-family: var(--latin);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.path strong {
  display: block;
  font-family: var(--nav);
  font-size: 1.05rem;
  font-weight: 500;
  font-synthesis: none;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin-bottom: 0.45rem;
}
.path span { color: var(--muted); display: block; }

.page-with-nav {
  display: grid;
  grid-template-columns: 13.5rem minmax(0, 1fr);
  gap: 3.2rem;
  align-items: start;
  padding-bottom: 2.4rem;
}

.page-hero { padding: 3.4rem 0 1.2rem; }
.page-kicker {
  margin-bottom: 1.05rem;
  font-size: 0.88rem;
}
.page-kicker a { color: var(--muted); }
.page-kicker a:hover { color: var(--ink); }
.back-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
  padding: 0.38rem 0.9rem 0.38rem 0.72rem;
  font-family: var(--nav);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--bg));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 32%, transparent);
  border-radius: 99px;
}
.back-chip::before {
  content: "";
  width: 0.42em;
  height: 0.42em;
  margin-top: -0.04em;
  border-left: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg);
  translate: 0.06em 0;
  flex-shrink: 0;
}
.page-kicker .back-chip { color: var(--accent); }
.page-kicker .back-chip:hover {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 22%, var(--bg));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 46%, transparent);
}
.back-chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.page-hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 3.7rem);
  line-height: 1.28;
  max-width: 12em;
  letter-spacing: 0.05em;
}

.hero-plain h1::after,
.page-hero h1::after,
h2.display::after,
.apply-card h2::after {
  content: "";
  display: block;
  width: 3.15em;
  height: 0.145em;
  margin-top: 0.58em;
  background: var(--accent);
  border-radius: 99px;
}

h2.display::after,
.apply-card h2::after {
  width: 2.45em;
  height: 0.12em;
  margin-top: 0.5em;
}

.subnav {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  position: sticky;
  top: 88px;
  margin: 0;
  padding: 3.4rem 1.4rem 2rem 0;
  border-right: 1px solid var(--line);
  font-family: var(--nav);
  letter-spacing: 0;
}

.subnav-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin: 0 0.85rem 0.7rem;
}

.subnav a {
  display: block;
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.45;
}

.subnav a:hover { color: var(--ink); }

.subnav a.is-active {
  background: var(--bg-2);
  color: var(--ink);
  font-weight: 500;
}

.stack { display: grid; gap: 0.8rem; margin-top: 1.6rem; }
.stack article {
  padding: 1.2rem 1.25rem;
  background: var(--bg-2);
  border-radius: var(--radius);
}
.stack h3,
.stack strong {
  font-family: var(--nav);
  font-size: 1.05rem;
  font-weight: 500;
  font-synthesis: none;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

.apply-card {
  display: block;
  width: 100%;
  max-width: none;
  min-height: 0;
  margin: 0;
  padding: 0;
  background: var(--bg-2);
  color: var(--ink);
  border: 0;
  border-radius: 0;
  box-shadow: inset 0 4px 0 var(--accent);
}

[data-theme="dark"] .apply-card {
  background: var(--bg-2);
  margin-bottom: 0;
}

.apply-card-stage {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 2.4rem 3.4rem;
  align-items: start;
  width: min(1200px, calc(100% - 3rem));
  margin: 0 auto;
  padding: 3.4rem 0 3.2rem;
}

.apply-card-kicker {
  margin: 0 0 0.9rem;
  font-family: var(--latin);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
}

.apply-card h2 {
  max-width: none;
  color: var(--ink);
  font-size: clamp(2.15rem, 4.4vw, 3.35rem);
  line-height: 1.22;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.apply-card h2::after {
  display: block;
  width: 2.8rem;
  height: 3px;
  margin-top: 0.85rem;
}

.apply-card-copy {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  max-width: none;
}

.apply-card p {
  color: var(--muted);
  margin: 0;
  max-width: none;
  font-size: 1.02rem;
  line-height: 1.8;
}

.apply-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.7rem 0 0;
}

.apply-card .btn-primary,
.apply-card .btn-ghost {
  margin-top: 0;
  height: 36px;
  padding: 0 1.15rem;
  line-height: 1;
  font-size: 0.92rem;
}

.apply-card .btn-ghost {
  background: var(--bg);
  color: var(--ink);
  box-shadow: none;
  font-family: var(--nav);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.apply-card .btn-ghost:hover {
  background: var(--bg);
  color: var(--ink);
}

.apply-card-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 0;
  width: 100%;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.apply-card-points li {
  padding: 1.1rem 1.3rem 1.15rem 0;
  margin: 0;
  background: none;
  border-radius: 0;
  box-shadow: none;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.apply-card-points li:nth-child(2n) {
  padding-right: 0;
  padding-left: 1.3rem;
  border-right: 0;
}

.apply-card-points li:nth-child(n + 3) {
  border-bottom: 0;
}

.apply-card-points li::before {
  content: none;
}

.apply-card-points strong {
  display: block;
  font-family: var(--font);
  color: color-mix(in srgb, var(--ink) 62%, var(--muted));
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.35;
}

.apply-card-points span {
  display: block;
  margin-top: 0.55rem;
  color: color-mix(in srgb, var(--muted) 58%, var(--bg-2));
  font-size: 0.84rem;
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.site-footer {
  background: #000000;
  color: #ffffff;
  padding: 4.2rem 0 1.6rem;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 0.9fr;
  gap: 2.4rem 2rem;
  align-items: start;
  padding-bottom: 3.2rem;
}

.foot-intro {
  gap: 1.35rem;
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: #ffffff;
  text-decoration: none;
  white-space: nowrap;
}
.foot-brand .brand-zh {
  font-size: 1.05rem;
  letter-spacing: 0.2em;
}
.foot-brand .brand-en {
  color: color-mix(in srgb, #ffffff 52%, transparent);
  letter-spacing: 0.1em;
}

.foot-qr {
  margin: 0;
  display: grid;
  justify-items: center;
  gap: 0.5rem;
  width: max-content;
}

.foot-qr img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 4px;
  background: #ffffff;
}

.foot-qr figcaption {
  color: #ffffff;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.foot-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  object-fit: contain;
}

.foot-title {
  color: #ffffff;
  font-family: var(--nav);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-bottom: 0.85rem;
}

.foot-grid > div {
  display: grid;
  gap: 0.55rem;
}

.site-footer a {
  color: #ffffff;
  font-size: 0.95rem;
  line-height: 1.45;
}

.site-footer a:hover { color: var(--accent); }

.foot-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid #2a2a2a;
  color: #ffffff;
  font-size: 0.82rem;
}

.form {
  display: grid;
  gap: 1rem;
  max-width: 640px;
  margin-top: 2rem;
}

.form-sheet {
  max-width: none;
  gap: 0;
  margin-top: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  overflow: hidden;
}

.form-sheet .field {
  display: grid;
  grid-template-columns: 11.5rem minmax(0, 1fr);
  gap: 0.35rem 1.4rem;
  align-items: start;
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--line);
}

.form-sheet .field > label:first-of-type {
  padding-top: 0.95rem;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.4;
}

.form-sheet .help,
.form-sheet .error,
.form-sheet .materials {
  grid-column: 2;
}

.materials {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.7rem;
  min-width: 0;
}

.file-drop.is-error {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, #c2410c 45%, transparent);
}

.file-drop {
  position: relative;
  display: grid;
  gap: 0.12rem;
  margin: 0;
  padding: 0.9rem 1rem;
  background: var(--bg-2);
  border-radius: 6px;
  cursor: pointer;
}

.file-drop:hover,
.file-drop:focus-within {
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-2));
}

.file-drop input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  opacity: 0;
  cursor: pointer;
  background: none;
  border: 0;
  border-radius: 0;
}

.file-drop-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}

.file-drop-hint {
  font-size: 0.82rem;
  color: var(--muted);
}

.file-list {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.file-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-2);
  border-radius: 6px;
  font-size: 0.86rem;
  color: var(--ink);
}

.file-list small {
  color: var(--muted);
  white-space: nowrap;
}

.form-sheet .check-grid {
  grid-column: 2;
}

.form-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.form-pair .field:first-child {
  border-right: 1px solid var(--line);
}

.form-pair .field {
  grid-template-columns: 7.2rem minmax(0, 1fr);
}

.field { display: grid; gap: 0.4rem; }
.field label { font-size: 0.92rem; }
.req { color: var(--accent); font-weight: 600; }
.help { color: var(--muted); font-size: 0.82rem; }
.error { color: #c2410c; font-size: 0.82rem; }

input, select, textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.85rem 0.95rem;
}

.form-sheet input:not([type="checkbox"]):not([type="file"]),
.form-sheet select,
.form-sheet textarea {
  border-color: transparent;
}

.form-sheet input:not([type="checkbox"]):not([type="file"]):focus,
.form-sheet select:focus,
.form-sheet textarea:focus {
  background: var(--bg);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 1px;
}

.form-sheet input:focus,
.form-sheet select:focus,
.form-sheet textarea:focus {
  outline: none;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.72rem 0.8rem;
  background: var(--bg-2);
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 400;
  cursor: pointer;
}

.check:has(input:checked) {
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-2));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
}

.form-sheet input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
  accent-color: var(--accent);
  background: none;
  border: 0;
  border-radius: 0;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.6rem;
  padding: 1.05rem 1.5rem;
  background: var(--bg-2);
}

.form-actions .btn-primary,
.form-actions .btn-ghost {
  height: 36px;
  padding: 0 1.25rem;
  line-height: 1;
}

.alert {
  padding: 0.9rem 1rem;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}

.faq { display: grid; gap: 0.6rem; margin-top: 1rem; }
.faq details {
  background: var(--bg-2);
  border-radius: 8px;
  padding: 0.95rem 1.1rem;
}
.faq summary {
  cursor: pointer;
  font-family: var(--nav);
  font-weight: 500;
  letter-spacing: 0.01em;
}
.faq p { margin-top: 0.5rem; color: var(--muted); }

.empty {
  padding: 1.3rem 1.2rem;
  color: var(--muted);
  background: var(--bg-2);
  border-radius: var(--radius);
  max-width: none;
}

.partner-catalog {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
}
.partner-plate {
  display: grid;
  grid-template-columns: 8.75rem minmax(0, 1fr);
  gap: 1.5rem 1.8rem;
  padding: 2.4rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.partner-mark {
  width: 8.75rem;
  height: 5.75rem;
  margin: 0;
  padding: 0.7rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.partner-mark img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  margin: 0;
  object-fit: contain;
  flex: 0 0 auto;
}
.partner-mark--fill img {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  transform: scale(1.35);
}
.partner-body header { margin-bottom: 0.85rem; }
.partner-body h3 {
  font-family: var(--latin);
  font-size: clamp(1.85rem, 3.4vw, 2.55rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.12;
}
.partner-aka {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.partner-mode {
  margin-top: 0.7rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
}
.partner-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.15rem;
  height: 36px;
  padding: 0 1rem;
  font-family: var(--latin);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: var(--bg-2);
  border-radius: var(--radius-sm);
  transition: color 0.35s var(--ease), background 0.35s var(--ease);
}
.partner-link::after {
  content: "↗";
  font-size: 0.78rem;
  color: var(--accent);
}
.partner-link:hover {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-2));
}

.matrix {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 0.45rem;
  margin-top: 1.2rem;
  font-size: 0.9rem;
}
.matrix > div {
  padding: 0.85rem 0.9rem;
  background: var(--bg-2);
  border-radius: 6px;
}

.overlay { display: none; }

html.is-booting { overflow: hidden; }
html.boot-skip .boot { display: none !important; }

.boot {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  background: #ffffff;
  color: #111111;
  transition: opacity 0.7s var(--ease), visibility 0.7s var(--ease);
}
[data-theme="dark"] .boot {
  background: #111111;
  color: #f4f4f4;
}
.boot.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.boot-inner {
  text-align: center;
}
.boot-inner img {
  width: 88px;
  height: 88px;
  margin: 0 auto 1.2rem;
  object-fit: contain;
  animation: boot-mark 0.85s var(--ease);
}
.boot-word {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.38rem;
  margin: 0;
  animation: boot-mark 0.85s var(--ease) 0.08s both;
}
.boot-word .brand-zh {
  font-size: 1.42rem;
  letter-spacing: 0.32em;
  padding-left: 0.32em;
}
.boot-word .brand-en {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  padding-left: 0.22em;
}
@keyframes boot-mark {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .boot-inner img,
  .boot-word { animation: none; }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
  .btn, html { animation: none; transition: none; scroll-behavior: auto; }
}

@media (max-width: 980px) {
  .split, .pair, .compare, .bento, .matrix, .qa, .nodes {
    grid-template-columns: 1fr;
  }
  .foot-grid {
    grid-template-columns: 1fr 1fr;
  }
  .foot-intro { grid-column: 1 / -1; }
  .nav-bar {
    grid-template-columns: auto 1fr auto;
    min-height: 64px;
    gap: 0.6rem;
  }
  .nav-links { gap: 0.15rem 0.85rem; }
  .hero-plain h1 { font-size: clamp(2.1rem, 10vw, 3rem); }
  .section { padding: 3.4rem 0; }
  .wrap { width: calc(100% - 1.6rem); }
  .apply-card {
    width: 100%;
    min-height: 0;
    padding: 0;
  }
  .apply-card-stage {
    grid-template-columns: 1fr;
    gap: 1.8rem;
    width: calc(100% - 1.6rem);
    padding: 2.6rem 0 2.4rem;
  }
  .apply-card-copy {
    grid-template-columns: 1fr;
  }
  .apply-card-points {
    grid-template-columns: 1fr 1fr;
  }
  .apply-card-points li:nth-child(2n) {
    padding-left: 1.3rem;
    border-right: 0;
  }
  .apply-card-points li:nth-child(n + 3) {
    border-bottom: 0;
  }
  .form-pair { grid-template-columns: 1fr; }
  .form-pair .field:first-child { border-right: 0; }
  .form-sheet .field,
  .form-pair .field {
    grid-template-columns: 1fr;
    gap: 0.45rem;
    padding: 1rem 1.15rem;
  }
  .form-sheet .field > label:first-of-type { padding-top: 0; }
  .form-sheet .help,
  .form-sheet .error,
  .form-sheet .check-grid,
  .form-sheet .materials { grid-column: 1; }
  .partner-plate {
    grid-template-columns: 7.25rem minmax(0, 1fr);
    gap: 1rem 1.2rem;
    padding: 1.8rem 0 1.9rem;
  }
  .partner-mark {
    width: 7.25rem;
    height: 5.1rem;
    padding: 0.55rem 0.65rem;
  }
  .partner-body h3 { font-size: clamp(1.55rem, 7vw, 2.1rem); }
  .check-grid { grid-template-columns: 1fr 1fr; }
  .page-hero { padding-top: 2.4rem; }
  .page-with-nav {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .subnav {
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 1.1rem 0 1rem;
  }
  .subnav-label { margin-left: 0; }
}

@media (max-width: 640px) {
  .foot-grid { grid-template-columns: 1fr; }
  .apply-card-copy,
  .apply-card-points {
    grid-template-columns: 1fr;
  }
  .apply-card h2 {
    font-size: clamp(2rem, 8vw, 2.6rem);
  }
  .apply-card-points li,
  .apply-card-points li:nth-child(2n) {
    padding: 1.05rem 0;
    border-right: 0;
  }
  .apply-card-points li + li {
    border-top: 1px solid var(--line);
  }
}