/* ============ FUN4YEAH · 潮流大字报官网 ============ */
:root {
  --bg: #0A0A0A;
  --bg-2: #141414;
  --bg-soft: #1c1c1c;
  --fg: #F5F5F5;
  --fg-soft: #B5B5B5;
  --fg-mute: #6E6E6E;
  --accent: #C6FF00;
  --accent-ink: #0A0A0A;
  --accent-2: #39FF14;
  --line: rgba(255,255,255,.14);
  --card: #141414;
  --pop: #FF3B2E;
  --invert-bg: #F5F5F5;
  --invert-fg: #0A0A0A;

  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', ui-sans-serif, system-ui, sans-serif;
  --font-display: 'Anton', 'Oswald', 'Impact', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-cjk-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background .35s ease, color .35s ease;
}
html {
  scroll-behavior: smooth;               /* 锚点/滚动静音平滑 */
  -webkit-text-size-adjust: 100%;        /* 禁止 iOS 自动放大字号 */
}
body {
  overflow-x: hidden;                    /* 杜绝横向溢出 */
  -webkit-overflow-scrolling: touch;     /* iOS 惯性滚动 */
  -webkit-tap-highlight-color: transparent;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

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

/* ============ Typography ============ */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: .88;
  letter-spacing: -.01em;
  text-transform: uppercase;
}
.cjk-display {
  font-family: var(--font-cjk-display);
  font-weight: 900;
  line-height: .9;
  letter-spacing: -.02em;
}
.mono { font-family: var(--font-mono); letter-spacing: .02em; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

/* ============ Layout ============ */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
}
section { position: relative; }

/* Divider */
.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}
.rule-heavy {
  border-top: 2px solid var(--fg);
  margin: 0;
}

/* ============ Nav ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-logo-img { height: 23px; width: auto; display: block; } /* 缩小一半（原 46px） */
.nav-logo .dot { display:inline-block; width:8px; height:8px; border-radius:50%; background: var(--accent); }
.nav-links {
  display: none;
  gap: 4px;
  align-items: center;
}
@media (min-width: 900px) { .nav-links { display: flex; } }
.nav-link {
  position: relative;
  padding: 6px 12px;
  font-size: 16px;          /* 原 12px → 16px（+1/3） */
  font-weight: 400;          /* 默认不加粗；hover 加粗 */
  font-family: var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg-soft);
  transition: color .2s, font-weight .15s;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 12px; right: 12px;
  bottom: 2px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}
.nav-link:hover {
  color: var(--accent);
  font-weight: 700;
}
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active,
.nav-link[aria-current="page"] {
  color: var(--accent);
  font-weight: 700;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lang-switch {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
}
.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--fg-mute);
  padding: 3px 8px;
  border-radius: 4px;
  transition: all .2s;
}
.lang-switch button.active {
  background: var(--fg);
  color: var(--bg);
}
.cta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .15em;
  text-transform: uppercase;
  border: 0;
  transition: transform .18s ease, box-shadow .2s;
}
.cta-pill:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--fg); }
.nav-cart {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  color: var(--fg-soft);
  border-radius: 8px;
  transition: color .2s ease, transform .2s ease;
}
.nav-cart:hover { color: #FF8C00; transform: translateY(-1px) scale(1.1); }

/* ============ Hero ============ */
.hero {
  padding: 90px 0 28px;
  min-height: auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.hero-kicker {
  display: flex;
  gap: 18px;
  align-items: center;
  color: var(--fg-mute);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  margin-bottom: 40px;
}
.hero-kicker .dot { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 12px var(--accent); }
.hero-headline {
  position: relative;
  margin: 0;
  font-size: clamp(45px, 11vw, 170px);
  line-height: .82;
  letter-spacing: -.03em;
}
.hero-headline .row {
  display: flex;
  align-items: baseline;
  gap: .06em;
  flex-wrap: wrap;
}
.hero-headline .accent-word { color: var(--accent); }
.hero-cat {
  height: .92em;
  width: auto;
  vertical-align: baseline;
  transform: translateY(6%);
  filter: var(--cat-filter, none);
}
[data-theme="neon"] .hero-cat { filter: invert(1); }
[data-theme="candy"] .hero-cat { filter: none; }
[data-theme="arcade"] .hero-cat { filter: none; }

.hero-lead-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.hero-lead {
  max-width: 520px;
  font-size: clamp(14px, 1.2vw, 18px);
  line-height: 1.5;
  color: var(--fg-soft);
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-ghost {
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .15em;
  text-transform: uppercase;
  transition: border-color .2s, color .2s;
}
.btn-ghost:hover { border-color: var(--fg); }

/* Hero footer meta line */
.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-top: 60px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fg-mute);
  flex-wrap: wrap;
}
.hero-meta span b { color: var(--fg); font-weight: 600; }

/* ============ Ticker ============ */
.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  padding: 22px 0;
}
.ticker-track {
  display: flex;
  gap: 60px;
  white-space: nowrap;
  animation: ticker 40s linear infinite;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 56px);
  letter-spacing: -.01em;
  text-transform: uppercase;
  color: var(--fg);
}
.ticker-track .accent { color: var(--accent); }
.ticker-track .star {
  display: inline-block;
  width: .8em; height: .8em;
  vertical-align: middle;
  background: var(--accent);
  -webkit-mask: radial-gradient(circle, transparent 0, transparent 22%, currentColor 22%);
  mask: none;
  border-radius: 999px;
  margin: 0 .3em;
  transform: translateY(-.1em);
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.ticker.reverse .ticker-track { animation-direction: reverse; }

/* ============ Stats strip ============ */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  border-bottom: 1px solid var(--line);
}
.stat {
  padding: 40px 24px 36px;
  border-right: 1px solid var(--line);
  position: relative;
}
.stat:last-child { border-right: 0; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(48px, 5vw, 80px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--fg);
}
.stat-num .u { font-size: .38em; color: var(--fg-mute); margin-left: 6px; letter-spacing: .1em; }
.stat-l {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fg-soft);
}

/* ============ Section header pattern ============ */
.sec-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  padding: 32px 0 22px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.sec-head-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--fg-mute);
  min-width: 80px;
}
.sec-head-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6.2vw, 92px);
  line-height: .92;
  letter-spacing: -.02em;
  margin: 0;
  text-transform: uppercase;
  flex: 1;
}
.sec-head-title .cn {
  font-family: var(--font-cjk-display);
  letter-spacing: -.02em;
}
.sec-head-tag {
  align-self: flex-end;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--fg-mute);
  text-transform: uppercase;
  min-width: 120px;
  text-align: right;
}

/* ============ About ============ */
.about-wrap { padding: 36px 0 80px; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 1.4fr 1fr; gap: 80px; }
}
.about-left { display: flex; flex-direction: column; justify-content: space-between; gap: 32px; }
.about-right { display: flex; flex-direction: column; justify-content: flex-end; }
.about-huge {
  position: relative;
  font-family: var(--font-cjk-display);
  font-weight: 900;
  font-size: clamp(28px, 4vw, 60px);
  line-height: 1.35;
  letter-spacing: -.02em;
}
.about-huge.en { font-family: var(--font-display); font-weight: 400; text-transform: uppercase; line-height: 1.1; }
.about-huge .accent-word { color: var(--accent); }
.about-huge .under {
  color: var(--accent);
  font-weight: 900;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 100% 10px;
  background-repeat: no-repeat;
  background-position: 0 96%;
  padding: 0 4px;
}
.about-cat {
  width: 72px;
  margin-top: 10px;
  opacity: .9;
}
.about-body {
  color: var(--fg-soft);
  font-size: 15px;
  line-height: 1.7;
  max-width: 460px;
}
.about-body p { margin: 0 0 16px; }
.pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.pill {
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fg-soft);
}
.pill.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* Team badges */
.team-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}
.team-badge {
  padding: 8px 14px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-soft);
  letter-spacing: .08em;
}

/* ============ IP wall ============ */
.ipwall { padding: 40px 0 80px; }
.ipwall-marquee {
  display: flex;
  gap: 12px;
  padding: 20px 0;
  animation: ticker 45s linear infinite;
  width: max-content;
}
.ipwall-track { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.ipwall.reverse .ipwall-marquee { animation-direction: reverse; }
.ip-card {
  min-width: 260px;
  padding: 22px 26px;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform .2s, background .2s;
}
.ip-card:hover { transform: translateY(-4px); background: var(--bg-soft); }
.ip-cat {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--accent);
  text-transform: uppercase;
}
.ip-en {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.05;
  text-transform: uppercase;
}
.ip-zh {
  font-family: var(--font-cjk-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--fg-soft);
}
.ipwall-note {
  margin-top: 20px;
  padding: 0 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fg-mute);
  text-align: center;
}

/* ============ Services ============ */
.services { padding-bottom: 100px; }
.svc-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}
@media (min-width: 720px) { .svc-grid { grid-template-columns: 1fr 1fr; } }
.svc-card {
  padding: 44px 32px 52px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background .25s;
  overflow: hidden;
}
.svc-card:nth-child(2n) { border-right: 0; }
@media (max-width: 719px) { .svc-card { border-right: 0; } }
.svc-card:hover { background: var(--bg-soft); }
.svc-card:hover .svc-title { color: var(--accent); }
.svc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-mute);
  letter-spacing: .18em;
}
.svc-for {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-soft);
  letter-spacing: .12em;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.svc-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 48px);
  text-transform: uppercase;
  line-height: 1;
  margin: 22px 0 8px;
  transition: color .25s;
  letter-spacing: -.01em;
}
.svc-title-cn {
  font-family: var(--font-cjk-display);
  font-weight: 800;
  font-size: clamp(20px, 2vw, 26px);
  color: var(--fg-soft);
  margin-bottom: 20px;
}
.svc-desc { color: var(--fg-soft); font-size: 14px; line-height: 1.7; margin: 0 0 22px; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.svc-tag {
  padding: 5px 10px;
  border-radius: 4px;
  background: var(--bg-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--fg-soft);
}
.svc-mascot {
  position: absolute;
  right: -20px;
  bottom: -20px;
  height: 140px;
  opacity: .08;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
}
[data-theme="neon"] .svc-mascot { filter: invert(1); }
.svc-card:hover .svc-mascot { opacity: .22; transform: rotate(-4deg) scale(1.05); }

/* ============ KAKALOK block ============ */
.kakalok {
  background: #F5F0E8;
  color: #0A0A0A;
  padding: 40px 0 80px;
  position: relative;
  overflow: hidden;
}
/* KAKALOK 模块使用固定品牌色（浅+黑+霓虹绿），不受主题切换影响 —— 由下方 KAKALOK v2 区块的 .kakalok { background: #F5F0E8 } 覆盖 */

.kakalok .sec-head { border-color: color-mix(in oklab, currentColor 25%, transparent); }
.kakalok .sec-head-num, .kakalok .sec-head-tag { color: color-mix(in oklab, currentColor 60%, transparent); }
/* ============ KAKALOK v4 精简头 ============ */
.kakalok-mini-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  padding: 16px 0 28px;
  border-bottom: 2px solid #0A0A0A;
  margin-bottom: 28px;
}
.kakalok-mini-left {
  display: flex; align-items: center; gap: 14px;
}
.kakalok-mini-logo {
  width: clamp(48px, 5vw, 72px);
  height: auto;
  display: block;
  transition: transform .25s;
}
.kakalok-mini-logo:hover { transform: rotate(15deg); }
.kakalok-mini-name {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.4vw, 64px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1;
  color: #0A0A0A;
}
.kakalok-mini-right {
  display: flex; flex-direction: column; gap: 4px;
  align-items: flex-end; text-align: right;
}
.kakalok-mini-sub {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(10,10,10,.55);
  font-weight: 600;
}
.kakalok-mini-slogan {
  font-family: var(--font-cjk-display);
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 900;
  color: #0A0A0A;
  line-height: 1.1;
}
@media (max-width: 640px) {
  .kakalok-mini-head { flex-direction: column; align-items: flex-start; }
  .kakalok-mini-right { align-items: flex-start; text-align: left; }
}

/* ============ KAKALOK 主视觉图组 ============ */
.kakalok-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 8px;
}
.kakalok-img {
  border-radius: 12px;
  overflow: hidden;
  background: #333;
  position: relative;
  aspect-ratio: 16 / 9;             /* 主视觉图组：16:9 */
  cursor: zoom-in;
}
.kakalok-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kakalok-img .badge {
  position: absolute;
  top: 12px; left: 12px;
  padding: 5px 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  border-radius: 4px;
  z-index: 2;
}

/* ============ KAKALOK 3 组件卡（16:9 + 多图 + 点击看大图） ============ */
.kakalok-parts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 36px;
}
@media (max-width: 760px) {
  .kakalok-parts { grid-template-columns: 1fr; }
}
.kakalok-part {
  background: #FFFFFF;
  border: 2px solid #0A0A0A; border-radius: 14px;
  overflow: hidden;
  display: flex; flex-direction: column;
  cursor: zoom-in;
  transition: transform .2s, box-shadow .2s;
}
.kakalok-part:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 #0A0A0A; }
.kakalok-part .part-img {
  aspect-ratio: 16 / 9;             /* 组件卡：16:9 */
  background: color-mix(in oklab, currentColor 8%, transparent);
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid #0A0A0A;
}
.kakalok-part .part-img-single,
.kakalok-part .kk-collab-shot img {
  width: 100%; height: 100%; object-fit: contain; display: block;
}
.kakalok-part .part-body {
  padding: 14px 18px 16px;
  background: #FFFFFF;
  flex: 1;
}
.kakalok-part .k {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -.01em;
}
.kakalok-part .k-cn {
  font-family: var(--font-cjk-display);
  font-weight: 700;
  font-size: 16px;
  margin-top: 4px;
  opacity: .88;
}
.kakalok-part .d { font-size: 13px; opacity: .7; line-height: 1.5; margin-top: 6px; }

/* ============ Products ============ */
.products { padding-bottom: 100px; }
.prod-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}
@media (min-width: 720px) { .prod-grid { grid-template-columns: 1fr 1fr; } }
.prod-card {
  padding: 34px 30px 40px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background .3s;
  position: relative;
  overflow: hidden;
}
.prod-card:nth-child(2n) { border-right: 0; }
@media (max-width: 719px) { .prod-card { border-right: 0; } }
.prod-card:hover { background: var(--bg-soft); }
.prod-code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .18em;
}
.prod-title {
  font-family: var(--font-cjk-display);
  font-weight: 900;
  font-size: clamp(32px, 4vw, 56px);
  margin: 10px 0 6px;
  line-height: 1;
}
.prod-title-en {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: .02em;
}
.prod-items {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
}
.prod-item {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12px;
  color: var(--fg-soft);
  font-family: var(--font-mono);
  letter-spacing: .05em;
}

/* ============ Cases ============ */
.cases { padding: 36px 0 80px; }
.case-list { display: flex; flex-direction: column; }
.case-row {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
  padding: 40px 0;
  gap: 24px;
  cursor: pointer;
  transition: padding .3s;
}
@media (min-width: 900px) { .case-row { grid-template-columns: 90px 1fr 1fr; gap: 40px; align-items: start; } }
.case-row:last-child { border-bottom: 1px solid var(--line); }
.case-row:hover { padding-left: 12px; padding-right: 12px; }
.case-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--fg-mute);
  padding-top: 8px;
}
.case-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 68px);
  line-height: .95;
  letter-spacing: -.01em;
  text-transform: uppercase;
}
.case-body .case-title-cn {
  font-family: var(--font-cjk-display);
  font-weight: 900;
  font-size: clamp(22px, 2vw, 30px);
  margin-top: 8px;
  color: var(--fg-soft);
}
.case-meta {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.case-quote {
  margin-top: 20px;
  font-size: 14px;
  color: var(--fg-soft);
  max-width: 480px;
  line-height: 1.6;
}
.case-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 24px;
  margin-top: 20px;
}
.case-stat-v {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1;
  color: var(--case-tint, var(--accent));
}
.case-stat-l {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--fg-mute);
  text-transform: uppercase;
}
.case-visual {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-soft);
  transform: rotate(-1deg);
  transition: transform .3s;
}
.case-row:hover .case-visual { transform: rotate(0deg) scale(1.02); }
.case-visual img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.case-row:hover .case-visual img { transform: scale(1.06); }
.case-visual .tint-tag {
  position: absolute;
  top: 12px; left: 12px;
  padding: 5px 10px;
  background: var(--case-tint);
  color: #000;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  border-radius: 4px;
}

/* ============ Clients ============ */
.clients { padding: 100px 0 80px; }
.clients .sec-head { border-bottom: none; }
.clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid transparent;
  border-left: 1px solid transparent;
}
@media (min-width: 600px) { .clients-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .clients-grid { grid-template-columns: repeat(4, 1fr); } }
.client-cell {
  padding: 30px 20px;
  border-right: 1px solid transparent;
  border-bottom: 1px solid transparent;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--fg-soft);
  transition: background .2s, color .2s;
  position: relative;
  overflow: hidden;
}
/* logo 图：默认灰度+轻微提亮（单色调），hover 还原色彩 */
.client-cell .client-logo {
  max-width: 80%;
  max-height: 56px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(1) brightness(0.95) contrast(1.05);
  opacity: .85;
  transition: filter .25s, opacity .25s, transform .25s;
}
.client-cell:hover .client-logo { filter: none; opacity: 1; transform: scale(1.06); }
/* 围棋格棋盘：浅灰 #dddddd + 页面底色（透明透出 #0A0A0a）交替，去掉中间灰 */
.client-cell.cell-a { background: #dddddd; }
.client-cell.cell-b { background: transparent; }
.client-cell .client-placeholder {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-cjk-display);
}
.client-cell .client-letter { display: none; }
.client-cell .client-name {
  font-size: 20px; letter-spacing: .06em;
  color: #cccccc; font-weight: 400;
  font-family: var(--font-cjk-display);
  line-height: 1.3;
  transition: color .2s, font-weight .2s;
}
.client-cell:hover { background: var(--accent); color: var(--accent-ink); }
.client-cell:hover .client-name { color: var(--accent-ink); font-weight: 700; }

/* ============ Contact ============ */
.contact {
  padding: 40px 0 40px;
  border-top: none;
  position: relative;
  overflow: hidden;
}
.contact-headline {
  font-family: var(--font-cjk-display);
  font-weight: 900;
  font-size: clamp(48px, 9vw, 160px);
  line-height: .92;
  letter-spacing: -.02em;
  margin: 0 0 48px;
  display: flex; align-items: center; flex-wrap: wrap; gap: 12px;
}
.contact-headline.en { font-family: var(--font-display); font-weight: 400; text-transform: uppercase; }
.contact-headline .accent-word { color: var(--accent); font-style: italic; }
.contact-headline .cat-inline {
  height: .65em; width: auto;
  flex: 0 0 auto;
  display: inline-block;
}
[data-theme="neon"] .contact-headline .cat-inline { filter: invert(1); }
.contact-headline .cat-left { transform: translateY(-2%) rotate(-6deg); }
.contact-headline .cat-right { transform: translateY(2%) rotate(8deg); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 40px 0 80px;
  border-top: none;
}
@media (min-width: 800px) { .contact-grid { grid-template-columns: 1.4fr 1fr; gap: 80px; } }
.contact-lead {
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.5;
  color: var(--fg);
  max-width: 540px;
  font-weight: 500;
}
.contact-cta-row { margin-top: 30px; display: flex; gap: 12px; flex-wrap: wrap; }
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: none;
}
.contact-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  gap: 20px;
}
.contact-item .k {
  color: var(--fg-mute);
  letter-spacing: .18em;
  font-size: 11px;
}
.contact-item .v {
  color: var(--fg);
  letter-spacing: .05em;
  text-align: right;
}

/* ============ Footer 底部条（左：版权+备案 / 右：8字母猫） ============ */
.footer {
  padding: 40px 0 36px;
  border-top: 1px solid var(--line);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  flex-wrap: wrap;
}
.footer-left {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.footer-copy { line-height: 1.6; }
.footer-cats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.footer-cats .fun4yeah-cats-row { justify-content: flex-end; }

/* Giant end mark */
.end-mark {
  font-family: var(--font-display);
  font-size: clamp(90px, 20vw, 260px);
  line-height: .9;
  color: var(--fg);
  margin: 60px 0 40px;
  text-transform: uppercase;
  letter-spacing: -.02em;
  border-top: 1px solid var(--line);
  padding-top: 40px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.end-mark .cats {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}
.end-mark .cats img {
  height: .85em;
  width: auto;
  transform: translateY(6%);
}
[data-theme="neon"] .end-mark .cats img { filter: invert(1); }

/* Scroll marquee band for KAKALOK */
.k-marquee-band {
  padding: 30px 0;
  border-top: 1px solid color-mix(in oklab, currentColor 25%, transparent);
  border-bottom: 1px solid color-mix(in oklab, currentColor 25%, transparent);
  overflow: hidden;
  margin: 60px 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 56px);
  letter-spacing: -.01em;
  text-transform: uppercase;
}
.k-marquee-track {
  display: flex;
  gap: 60px;
  white-space: nowrap;
  animation: ticker 22s linear infinite;
  width: max-content;
}

/* Hero corner mascots decoration */
.hero-mascot-a {
  position: absolute;
  top: 90px;
  right: 4vw;
  height: 130px;
  opacity: .75;
  transform: rotate(8deg);
  pointer-events: none;
}
.hero-mascot-b {
  position: absolute;
  bottom: 200px;
  left: 3vw;
  height: 90px;
  opacity: .5;
  transform: rotate(-14deg);
  pointer-events: none;
}
[data-theme="neon"] .hero-mascot-a,
[data-theme="neon"] .hero-mascot-b { filter: invert(1); }

@media (max-width: 720px) {
  .hero-mascot-a, .hero-mascot-b { display: none; }
}

/* Utility */
.spacer-40 { height: 40px; }
.spacer-80 { height: 80px; }

/* ============================================================
   智能占位符 · Media Slot
============================================================ */
.media-slot {
  position: relative;
  width: 100%;
  height: 0;
  overflow: hidden;
  border-radius: 6px;
  background: var(--bg-soft);
}
.media-slot img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-slot.is-ph {
  background: var(--bg-soft);
  border: 1px dashed var(--line);
  color: var(--fg-mute);
}
.ph-hatch {
  position: absolute;
  inset: 0;
  opacity: .35;
  background-image: repeating-linear-gradient(
    45deg,
    transparent 0,
    transparent 12px,
    var(--line) 12px,
    var(--line) 13px
  );
}
.ph-corner {
  position: absolute;
  color: var(--fg-mute);
  font-size: 10px;
  opacity: .5;
}
.ph-corner.tl { top: 8px; left: 8px; }
.ph-corner.tr { top: 8px; right: 8px; }
.ph-corner.bl { bottom: 8px; left: 8px; }
.ph-corner.br { bottom: 8px; right: 8px; }
.ph-tag {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px;
  text-align: center;
}
.ph-icon {
  font-size: 26px;
  color: var(--fg-mute);
  opacity: .6;
}
.ph-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fg-soft);
  max-width: 90%;
  line-height: 1.3;
}
.ph-spec {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .15em;
  color: var(--fg-mute);
  opacity: .5;
  text-transform: uppercase;
}
.media-slot.has-img {
  background: #000;
}
.media-badge {
  position: absolute;
  top: 10px; left: 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .18em;
  padding: 4px 8px;
  border-radius: 3px;
  z-index: 2;
  text-transform: uppercase;
}

/* ============================================================
   ScrollingStrip (Hero 底部新品带)
============================================================ */
.strip-wrap {
  overflow: hidden;
  padding: 20px 0;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  border-top: 1px solid var(--line);
}
.strip-track {
  display: flex;
  gap: 14px;
  padding: 0 20px;
  width: max-content;
  animation: ticker 60s linear infinite;
}
.strip-track.reverse { animation-direction: reverse; }
.strip-item {
  width: 200px;
  flex-shrink: 0;
}
.strip-item .media-slot {
  transition: transform .3s;
}
.strip-item:hover .media-slot {
  transform: translateY(-4px);
}
.strip-caption {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.strip-caption .ip {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .15em;
  color: var(--accent);
  text-transform: uppercase;
}
.strip-caption .item {
  font-size: 12px;
  color: var(--fg-soft);
}

/* ============================================================
   Gallery grid (case flourishes)
============================================================ */
.gallery {
  display: grid;
  grid-template-columns: repeat(var(--gcols, 3), 1fr);
  gap: 12px;
  margin-top: 24px;
}
@media (max-width: 720px) {
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
.gallery-item .media-slot { border-radius: 8px; }

/* Case editorial 5-image gallery */
.gallery.editorial {
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 100px;
  gap: 10px;
}
.gallery.editorial .gi-0 { grid-column: span 3; grid-row: span 3; }
.gallery.editorial .gi-1 { grid-column: span 3; grid-row: span 2; }
.gallery.editorial .gi-2 { grid-column: span 2; grid-row: span 2; }
.gallery.editorial .gi-3 { grid-column: span 2; grid-row: span 2; }
.gallery.editorial .gi-4 { grid-column: span 2; grid-row: span 2; }
.gallery.editorial .media-slot {
  padding-bottom: 0 !important;
  height: 100%;
}
@media (max-width: 800px) {
  .gallery.editorial { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 130px; }
  .gallery.editorial .gi-0,
  .gallery.editorial .gi-1,
  .gallery.editorial .gi-2,
  .gallery.editorial .gi-3,
  .gallery.editorial .gi-4 { grid-column: span 1; grid-row: span 2; }
}

/* ============================================================
   IP Wall - image cards
============================================================ */
.ipwall-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 40px 0 20px;
}
@media (min-width: 640px)  { .ipwall-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px)  { .ipwall-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1200px) { .ipwall-grid { grid-template-columns: repeat(6, 1fr); } }
.ip-figure {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  transition: transform .25s;
}
.ip-figure:hover { transform: translateY(-4px); }
.ip-figure .media-slot { border-radius: 8px; }
.ip-figure .ip-info {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 10px 12px;
  background: linear-gradient(to top, rgba(0,0,0,.85), transparent);
  color: #fff;
  z-index: 2;
}
.ip-figure .ip-cat-tag {
  position: absolute;
  top: 8px; right: 8px;
  padding: 3px 7px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .15em;
  border-radius: 3px;
  color: #000;
  z-index: 2;
  font-weight: 700;
}
.ip-figure .ip-name-en {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -.01em;
}
.ip-figure .ip-name-zh {
  font-family: var(--font-cjk-display);
  font-weight: 700;
  font-size: 12px;
  opacity: .85;
  margin-top: 2px;
}

/* IP Wall marquee row style (fallback) */
.ipwall-marquee-row {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  width: max-content;
  animation: ticker 55s linear infinite;
}
.ipwall-marquee-row.reverse { animation-direction: reverse; animation-duration: 65s; }
.ipwall-marquee-row .ip-figure { width: 240px; flex-shrink: 0; }

/* ============================================================
   Products grid → image walls
============================================================ */
.prod-wall {
  padding: 40px 0 0;
  border-top: 1px solid var(--line);
}
.prod-wall-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.prod-wall-head .h-main {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.prod-wall-head .h-code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .18em;
}
.prod-wall-head .h-cn {
  font-family: var(--font-cjk-display);
  font-weight: 900;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1;
}
.prod-wall-head .h-en {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 24px);
  color: var(--fg-mute);
  text-transform: uppercase;
  letter-spacing: .02em;
}
.prod-wall-head .h-desc {
  font-size: 12px;
  color: var(--fg-soft);
  max-width: 380px;
  text-align: right;
}
.prod-image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 40px;
}
@media (min-width: 640px)  { .prod-image-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px)  { .prod-image-grid { grid-template-columns: repeat(4, 1fr); } }
.prod-image-item {
  transition: transform .2s;
}
.prod-image-item:hover { transform: translateY(-3px); }
.prod-image-item .media-slot { border-radius: 6px; }
.prod-image-caption {
  padding: 8px 4px 4px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.prod-image-caption .n {
  font-size: 13px;
  color: var(--fg);
  font-weight: 500;
}
.prod-image-caption .en {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--fg-mute);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.prod-image-caption .spec {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* ============================================================
   KAKALOK Collab strip
============================================================ */
.kk-collab-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 50px 0 20px;
  padding-top: 40px;
  border-top: 1px solid color-mix(in oklab, currentColor 25%, transparent);
}
.kk-collab-head .t {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 44px);
  text-transform: uppercase;
  letter-spacing: -.01em;
}
.kk-collab-head .n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  opacity: .6;
}
.kk-collab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (min-width: 640px)  {
  .kk-collab-grid { grid-template-columns: repeat(3, 1fr); }
}
.kk-collab-item {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  cursor: zoom-in;                  /* 单张/多张都可点击看大图 */
  border: 2px solid #0A0A0A;
  aspect-ratio: 16 / 9;             /* 联名卡片统一 16:9 等尺寸 */
}
.kk-collab-item .collab-img-single,
.kk-collab-item .kk-collab-shot img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .35s;
}
.kk-collab-item:hover .collab-img-single,
.kk-collab-item:hover .kk-collab-shot img { transform: scale(1.04); }
.kk-collab-item .media-slot { border-radius: 0; height: 100%; padding-bottom: 0 !important; }
.kk-collab-media { height: 100%; width: 100%; position: relative; }
.kk-collab-item .kk-collab-media .kk-collab-gallery {
  position: absolute; inset: 0;
  display: grid; gap: 2px; background: #0A0A0A;
}
.kk-collab-shot { overflow: hidden; position: relative; }
.kk-gallery-grid { grid-template-columns: repeat(2, 1fr); }
.kk-gallery-triptych { grid-template-columns: repeat(3, 1fr); }
.kk-gallery-triptych .kk-collab-shot:first-child { grid-row: span 2; }
.kk-gallery-duo { grid-template-columns: repeat(2, 1fr); grid-template-rows: 1fr 1fr; }

/* 联名底部信息：仿合作IP项目 —— 全宽底部黑色渐变蒙层 + en 大字 + zh 小字 */
.kk-collab-info-bottom {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 12px 14px;
  background: linear-gradient(to top, rgba(0,0,0,.85), transparent);
  color: #fff;
  z-index: 2;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kk-collab-info-bottom .en {
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.1vw, 14px);
  letter-spacing: .14em;
  color: #fff;
  font-weight: 700;
  text-transform: uppercase;
}
.kk-collab-info-bottom .zh {
  font-family: var(--font-cjk-display);
  font-weight: 700;
  font-size: clamp(15px, 1.3vw, 18px);
  color: #fff;
  line-height: 1.2;
  letter-spacing: .02em;
}

/* ============================================================
   KAKALOK part cards with image
============================================================ */
.kakalok-part {
  overflow: hidden;
  padding: 0;
}
.kakalok-part .part-img {
  aspect-ratio: 12/7;
  background: color-mix(in oklab, currentColor 8%, transparent);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid color-mix(in oklab, currentColor 25%, transparent);
}
.kakalok-part .part-img .media-slot {
  height: 100%; padding-bottom: 0 !important;
  border-radius: 0;
  background: transparent;
  border: 0;
}
.kakalok-part .part-body {
  padding: 20px 22px 22px;
}
.kakalok-part .part-body .k {
  font-family: var(--font-display);
  font-size: 26px;
  text-transform: uppercase;
  letter-spacing: -.01em;
}
.kakalok-part .part-body .k-cn {
  font-family: var(--font-cjk-display);
  font-weight: 800;
  font-size: 16px;
  opacity: .8;
  margin: 2px 0 6px;
}
.kakalok-part .part-body .d {
  font-size: 13px;
  opacity: .7;
  line-height: 1.5;
}

/* ============================================================
   Stats with images beneath
============================================================ */
.stat {
  display: flex;
  flex-direction: column;
}
.stat-thumb {
  margin-top: 20px;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 4px;
}
.stat-thumb .media-slot {
  height: 100%; padding-bottom: 0 !important;
  border-radius: 4px;
}

/* ============================================================
   About collage
============================================================ */
.about-collage {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 10px;
  aspect-ratio: 4/3;
  margin-top: 30px;
}
.about-collage > :nth-child(1) { grid-column: 1; grid-row: 1 / span 2; }
.about-collage > :nth-child(2) { grid-column: 2; grid-row: 1; }
.about-collage > :nth-child(3) { grid-column: 3; grid-row: 1; }
.about-collage > :nth-child(4) { grid-column: 2; grid-row: 2; }
.about-collage > :nth-child(5) { grid-column: 3; grid-row: 2; }
.about-collage .about-fig {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 6px;
  background: var(--bg);
  cursor: pointer;
}
.about-fig img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity .35s ease;
}
.about-fig .fig-peace { opacity: 0; }
.about-fig:hover .fig-default { opacity: 0; }
.about-fig:hover .fig-peace { opacity: 1; }

/* ============================================================
   Services with product image
============================================================ */
.svc-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto auto;
}
.svc-thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
  border-radius: 6px;
  margin: 20px -12px 22px;
}
.svc-thumb .media-slot {
  height: 100%; padding-bottom: 0 !important;
  border-radius: 6px;
}

/* Admin link */
.admin-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--fg-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  transition: all .2s;
}
.admin-link:hover { border-color: var(--accent); color: var(--accent); }
.admin-link .dot { width: 6px; height: 6px; background: #4ADE80; border-radius: 50%; }

/* ============ KAKALOK v2 品牌重塑（浅+黑+霓虹绿固定配色） ============ */
.kakalok {
  /* 与网站整体背景色一致（KAKALOK 品牌色仅保留 #0A0A0A 文字 / 黑边 / 霓虹绿强调） */
  background: transparent;
  color: #0A0A0A;
  padding: 40px 0 80px;
  position: relative;
}
/* 删除了 ::before 绿色径向渐变（避免 KAKALOK 模块底色偏绿，与网站不一致） */
.kakalok .sec-head { border-color: rgba(10,10,10,.16); }
.kakalok .sec-head-num, .kakalok .sec-head-tag { color: rgba(10,10,10,.55); }

/* Hero 大字 logo */
.kakalok-hero {
  padding: 40px 0 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: end;
  position: relative;
}
@media (min-width: 900px) {
  .kakalok-hero { grid-template-columns: 1.4fr 1fr; gap: 60px; }
}
.kakalok-logo-wrap {
  display: flex; flex-direction: column; gap: 18px; align-items: flex-start;
}
.kakalok-logo {
  display: block;
  height: clamp(80px, 14vw, 220px);
  width: auto;
  filter: drop-shadow(8px 8px 0 #0A0A0A);
  transition: transform .2s;
}
.kakalok-logo:hover { transform: translate(-2px, -2px); filter: drop-shadow(10px 10px 0 #C6FF00); }
.kakalok-logo-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: #0A0A0A;
  opacity: .55;
  text-transform: uppercase;
  border: 1px solid rgba(10,10,10,.2);
  border-radius: 999px;
  padding: 6px 14px;
}
.kakalok-text { display: flex; flex-direction: column; gap: 14px; }
.kakalok-slogan {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 34px);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #0A0A0A;
  font-weight: 800;
}
.kakalok-slogan-cn {
  font-family: var(--font-cjk-display);
  font-weight: 900;
  font-size: clamp(20px, 2vw, 30px);
  margin-top: 4px;
  color: #0A0A0A;
}
.kakalok-lead {
  font-size: 15px; line-height: 1.7; color: rgba(10,10,10,.78);
  max-width: 460px; margin: 4px 0 0;
}
.kakalok-cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.kk-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-size: 13px;
  font-weight: 700; text-decoration: none; letter-spacing: .04em;
  transition: transform .15s, box-shadow .15s;
}
.kk-cta.primary {
  background: #C6FF00; color: #0A0A0A;
  box-shadow: 4px 4px 0 #0A0A0A;
}
.kk-cta.primary:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 #0A0A0A; }
.kk-cta.ghost {
  background: transparent; color: #0A0A0A; border: 2px solid #0A0A0A;
}
.kk-cta.ghost:hover { background: #0A0A0A; color: #F5F0E8; }

/* 在用 KAKALOK 跑马灯 */
.kk-users-band {
  margin: 48px 0 40px;
  background: #0A0A0A;
  color: #F5F0E8;
  border-radius: 18px;
  padding: 22px 0 26px;
  overflow: hidden;
  border: 2px solid #0A0A0A;
  box-shadow: 8px 8px 0 #C6FF00;
}
.kk-users-label {
  display: flex; align-items: center; gap: 14px;
  padding: 0 28px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(245,240,232,.6);
}
.kk-users-label .dot {
  width: 10px; height: 10px; background: #C6FF00; border-radius: 50%;
  box-shadow: 0 0 12px #C6FF00;
}
.kk-users-label .n { color: #C6FF00; margin-left: auto; }
.kk-users-marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.kk-users-track {
  display: inline-flex; gap: 14px;
  animation: kk-scroll 40s linear infinite;
  white-space: nowrap;
  padding: 4px 28px;
}
@keyframes kk-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-33.333%); }
}
.kk-users-track:hover { animation-play-state: paused; }
.kk-users-pill {
  display: inline-flex; align-items: center;
  background: #F5F0E8; color: #0A0A0A;
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px; font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: background .15s;
}
.kk-users-pill:hover { background: #C6FF00; }

/* 3 大功能数据（保留并对齐新色系） */
.kakalok-feats {
  margin: 40px 0 48px;
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 2px solid #0A0A0A; border-radius: 14px;
  overflow: hidden; background: #F5F0E8;
}
.kakalok-feat {
  padding: 22px 22px;
  border-right: 1px solid rgba(10,10,10,.16);
  display: flex; flex-direction: column; gap: 8px;
}
.kakalok-feat:last-child { border-right: 0; }
.kakalok-feat .n {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800; line-height: 1;
  color: #0A0A0A;
}
.kakalok-feat .l {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .2em;
  color: rgba(10,10,10,.65); text-transform: uppercase;
}

/* 主视觉图组 */
.kakalok-images {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 40px;
}
.kakalok-img {
  position: relative; overflow: hidden; border-radius: 14px;
  border: 2px solid #0A0A0A;
  aspect-ratio: 4/3;
}
.kakalok-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.kakalok-img:hover img { transform: scale(1.04); }
.kakalok-img .badge {
  position: absolute; top: 12px; left: 12px;
  background: #C6FF00; color: #0A0A0A;
  padding: 5px 11px; border-radius: 999px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .16em; font-weight: 800;
  z-index: 2;
}

/* 滚动 slogan 带 */
.k-marquee-band {
  background: #C6FF00; color: #0A0A0A;
  padding: 16px 0; overflow: hidden; margin: 32px 0;
  border-top: 2px solid #0A0A0A; border-bottom: 2px solid #0A0A0A;
}
.k-marquee-track {
  display: inline-flex; gap: 28px;
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 800;
  white-space: nowrap;
  animation: kk-scroll 28s linear infinite;
}
.k-marquee-band:hover .k-marquee-track { animation-play-state: paused; }

/* 核心组件卡 */
.kakalok-parts {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 36px 0;
}
.kakalok-part {
  background: #FFFFFF;
  border: 2px solid #0A0A0A; border-radius: 14px;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.kakalok-part .part-img { aspect-ratio: 12/7; }
.kakalok-part .part-body { padding: 14px 16px 16px; }
.kakalok-part .k {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .18em; color: #0A0A0A; opacity: .55;
  text-transform: uppercase; font-weight: 700;
}
.kakalok-part .k-cn {
  font-family: var(--font-cjk-display);
  font-size: 17px; font-weight: 800; margin-top: 4px;
}
.kakalok-part .d { font-size: 13px; color: rgba(10,10,10,.7); line-height: 1.55; margin-top: 6px; }

/* 联名区 */
.kk-collab-head {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 12px; margin-bottom: 18px;
  border-bottom: 2px solid #0A0A0A;
}
.kk-collab-head .t {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 800;
}
.kk-collab-head .n {
  font-family: var(--font-mono); font-size: 12px;
  color: rgba(10,10,10,.6); letter-spacing: .15em;
  text-transform: uppercase;
}
.kk-collab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
  margin-bottom: 40px;
}
.kk-collab-item {
  background: #FFFFFF;
  border: 2px solid #0A0A0A; border-radius: 14px;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.kk-collab-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--collab-tint, #0A0A0A);
}
.kk-collab-media {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: color-mix(in oklab, var(--collab-tint, #222) 22%, #f5f0e8);
}
.kk-collab-tag {
  position: absolute; top: 10px; right: 10px;
  background: rgba(10,10,10,.85); color: #F5F0E8;
  padding: 4px 9px; border-radius: 999px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .12em; font-weight: 700;
  backdrop-filter: blur(4px);
  z-index: 2;
}
.kk-collab-info {
  padding: 14px 16px 16px;
  display: flex; flex-direction: column; gap: 4px;
}
.kk-collab-info .en {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .18em; text-transform: uppercase;
  color: rgba(10,10,10,.55); font-weight: 700;
}
.kk-collab-info .zh {
  font-family: var(--font-cjk-display);
  font-size: 18px; font-weight: 800;
}
.kk-collab-info .kk-collab-meta {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: .14em;
  color: var(--collab-tint, #0A0A0A);
  margin-top: 4px; font-weight: 700;
}

/* 联名多图画廊 */
.kk-collab-gallery {
  position: absolute; inset: 0;
  display: grid; gap: 3px;
  background: #0A0A0A;
}
.kk-collab-shot { overflow: hidden; position: relative; }
.kk-collab-shot img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .35s;
}
.kk-collab-shot:hover img { transform: scale(1.06); }
.kk-gallery-grid { grid-template-columns: repeat(2, 1fr); }
.kk-gallery-triptych {
  grid-template-columns: repeat(3, 1fr);
}
.kk-gallery-triptych .kk-collab-shot:first-child {
  grid-row: span 2;
}
.kk-gallery-duo {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: 1fr 1fr;
}

/* 品牌尾标 */
.kakalok-end {
  margin-top: 60px;
  display: flex; align-items: center; gap: 24px;
  padding: 28px 32px;
  background: #C6FF00; color: #0A0A0A;
  border: 2px solid #0A0A0A; border-radius: 18px;
  box-shadow: 8px 8px 0 #0A0A0A;
}
.kakalok-end-mark {
  width: 88px; height: 88px; object-fit: contain;
  flex: 0 0 auto;
}
.kakalok-end .t {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 800;
}
.kakalok-end .d {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; opacity: .65; margin-top: 4px;
}

/* ============ KAKALOK v3 精简头（替代 v2 的大 logo + 右栏） ============ */
.kakalok-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  padding: 16px 0 36px;
  border-bottom: 2px solid #0A0A0A;
  margin-bottom: 36px;
}
.kakalok-head-left {
  display: flex; align-items: baseline; gap: 18px;
}
.kakalok-head-num {
  font-family: var(--font-mono);
  font-size: 13px; letter-spacing: .2em;
  color: rgba(10,10,10,.55);
}
.kakalok-head-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 88px);
  font-weight: 900;
  line-height: 1;
  margin: 0;
  color: #0A0A0A;
  letter-spacing: -.02em;
}
.kakalok-head-text {
  display: flex; flex-direction: column; gap: 4px;
  align-items: flex-end; text-align: right;
  padding-bottom: 8px;
}
.kakalok-head-slogan {
  font-family: var(--font-cjk-display);
  font-size: clamp(20px, 2.2vw, 32px);
  font-weight: 900;
  color: #0A0A0A;
  line-height: 1.1;
}
.kakalok-head-sub {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(10,10,10,.6);
}

/* ============ FUN4YEAH 字母猫小横排（替代旧 THAT'S ALL… FOR NOW.） ============ */
.end-mark {
  margin: 60px 0 40px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  text-align: center;
}
.fun4yeah-cats-label {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .26em;
  color: var(--fg-mute); text-transform: uppercase;
}
.fun4yeah-cats-row {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  flex-wrap: nowrap;
}
.fun4yeah-cat {
  height: clamp(48px, 5.5vw, 76px);
  width: auto;
  display: block;
  user-select: none;
  transition: transform .2s;
}
.fun4yeah-cat:hover { transform: translateY(-4px) rotate(-3deg); }
.fun4yeah-cats-row:hover .fun4yeah-cat:hover { transform: translateY(-4px) rotate(-3deg) scale(1.06); }
@media (max-width: 540px) {
  .fun4yeah-cat { height: 44px; }
  .fun4yeah-cats-row { gap: 2px; }
}

/* Footer ICP 备案 */
.footer-beian {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--fg-mute);
}
.footer-beian a {
  color: var(--fg-mute);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px;
  transition: color .15s;
}
.footer-beian a:hover { color: var(--fg-soft); }
.footer-beian .beian-icon {
  width: 14px; height: 14px; object-fit: contain;
}

/* ============ 全站移动端体验优化（≤760px） ============ */
@media (max-width: 760px) {
  /* 模块大标题在手机上更紧凑，强制一行 */
  .sec-head { padding: 24px 0 16px !important; gap: 10px; flex-wrap: nowrap; align-items: baseline; }
  .sec-head-title { font-size: clamp(22px, 7.5vw, 38px) !important; white-space: nowrap; letter-spacing: -.01em; }
  .sec-head-num { font-size: 11px; min-width: auto; }
  .sec-head-tag { font-size: 10px; white-space: nowrap; }

  /* 通用：缩小 section 上下留白 */
  .about-wrap, .ipwall, .products, .cases, .clients, .contact { padding-top: 24px !important; padding-bottom: 48px !important; }
  .kakalok { padding: 24px 0 48px !important; }
  .services { padding-bottom: 48px !important; }

  /* 关键大元素（hero/contact/数据）字号收一档 */
  .hero-headline { font-size: clamp(48px, 14vw, 90px) !important; }
  .contact-headline { font-size: clamp(40px, 11vw, 72px) !important; }
  .about-huge { font-size: clamp(32px, 8vw, 56px) !important; }

  /* KAKALOK 头布局：手机单列 */
  .kakalok-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .kakalok-head-slogan { font-size: 22px !important; }
  .kakalok-feats { grid-template-columns: 1fr !important; }
  .kakalok-parts { grid-template-columns: 1fr !important; }
  .kakalok-images { grid-template-columns: 1fr !important; }
  .kk-collab-grid { grid-template-columns: 1fr !important; }
  .kakalok-end { flex-direction: column; text-align: center; gap: 16px; padding: 20px; }

  /* Hero 段间距 */
  .hero-cta-row { flex-wrap: wrap; gap: 10px; }
  .ticker-track, .k-marquee-track { font-size: 22px !important; }

  /* 案例行 */
  .case-row { grid-template-columns: 1fr !important; }
  .case-stats { flex-wrap: wrap; }

  /* 产品矩阵 */
  .prod-image-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* IP 墙 */
  .ipwall-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* 客户墙 */
  .clients-grid { grid-template-columns: repeat(2, 1fr) !important; }

  /* 联系区块 */
  .contact-grid { grid-template-columns: 1fr !important; gap: 24px !important; padding: 24px 0 40px !important; }
  .contact-headline { flex-direction: row; flex-wrap: nowrap; align-items: center; gap: 6px; font-size: clamp(22px, 7vw, 40px) !important; margin-bottom: 24px !important; }
  .contact-headline .cat-inline { height: .5em !important; }
  .contact-lead { font-size: clamp(20px, 5.5vw, 28px) !important; }
  .contact-item { flex-direction: column; align-items: flex-start; gap: 4px; }

  /* 字母猫 */
  .fun4yeah-cat { height: 44px !important; }
  .fun4yeah-cats-row { gap: 2px !important; }

  /* Footer */
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 24px; }
  .footer-cats { align-items: flex-start; }
  .footer-cats .fun4yeah-cats-row { justify-content: flex-start; }
  .footer-beian a { font-size: 10px; }

  /* ===== PPT 式移动端体验增强 ===== */
  html { scroll-snap-type: y proximity; }   /* 手机端模块吸附翻页感 */
  .hero, .stats, .about-wrap, .services, .ipwall, .kakalok,
  .cases, .clients, .contact, .footer { scroll-snap-align: start; }

  .container { padding: 0 20px !important; }
  h1, h2, h3, p { word-break: break-word; }
  img, svg { -webkit-user-drag: none; user-select: none; }

  /* 正文行距更舒展 */
  .about-body, .hero-lead, .contact-lead, .svc-desc, .case-quote { line-height: 1.8; }
  .hero-meta { font-size: 10px; letter-spacing: .12em; gap: 12px; }
  .hero-meta span { margin-bottom: 4px; }

  /* 卡片触控区与间距 */
  .client-cell { min-height: 96px; padding: 20px 12px; }
  .client-cell .client-name { font-size: 18px; }
  .svc-card { padding: 18px; }
  .svc-tag { font-size: 10px; }
  .team-row { gap: 6px; }
  .team-badge { padding: 6px 10px; font-size: 10px; }
  .about-collage { gap: 8px; margin-top: 24px; }
  .about-fig { min-height: 0; }

  /* 案例更紧凑顺滑 */
  .case-row { gap: 16px; padding: 18px 0; }
  .case-stats > div { flex: 1 1 40%; }
  .case-visual img { border-radius: 8px; }

  /* 底部间距让滚动结束更从容 */
  .footer { padding-bottom: 60px; }

  /* 按钮/链接最小触控区 44px（lang-switch 切换器除外，保持紧凑） */
  .nav-link, .nav-cart, .cta-pill, .btn-ghost, .svc-tag, .client-cell { min-height: 44px; }
}

@media (max-width: 420px) {
  /* 超小屏进一步压缩 */
  .container { padding: 0 16px !important; }
  .sec-head-title { font-size: clamp(20px, 7vw, 28px) !important; white-space: nowrap; }
  .hero-headline { font-size: clamp(40px, 13vw, 72px) !important; }
  .contact-headline { font-size: clamp(32px, 9vw, 56px) !important; }
  .fun4yeah-cat { height: 36px !important; }
  .clients-grid, .ipwall-grid, .prod-image-grid { grid-template-columns: 1fr !important; }
}

/* ============ KAKALOK 多图 Lightbox 浮窗 ============ */
.kk-lightbox {
  position: fixed; inset: 0; z-index: 99999;
  background: rgba(5, 5, 8, .92);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  backdrop-filter: blur(8px);
  animation: kk-fade-in .18s ease;
}
@keyframes kk-fade-in { from { opacity: 0; } to { opacity: 1; } }
.kk-lightbox-stage {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  max-width: 90vw; max-height: 88vh;
}
.kk-lightbox-frame {
  width: min(900px, 86vw);
  aspect-ratio: 4 / 3;
  background: #111;
  border-radius: 14px;
  border: 2px solid #C6FF00;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 30px 80px rgba(0,0,0,.7);
}
.kk-lightbox-img {
  max-width: 100%; max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
  display: block;
}
.kk-lightbox-meta {
  display: flex; gap: 16px; align-items: baseline; color: #F5F0E8;
}
.kk-lightbox-title {
  font-family: var(--font-display);
  font-size: 18px; letter-spacing: .04em; font-weight: 800;
  text-transform: uppercase;
}
.kk-lightbox-counter {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: .2em;
  color: #C6FF00;
}
.kk-lightbox-close,
.kk-lightbox-prev,
.kk-lightbox-next {
  position: absolute;
  background: rgba(245, 240, 232, .12);
  color: #F5F0E8;
  border: 1px solid rgba(245, 240, 232, .3);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 14px;
  width: 44px; height: 44px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background .15s;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.kk-lightbox-close:hover,
.kk-lightbox-prev:hover,
.kk-lightbox-next:hover { background: rgba(198, 255, 0, .9); color: #0A0A0A; }
.kk-lightbox-close { top: 24px; right: 24px; }
.kk-lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); font-size: 22px; }
.kk-lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); font-size: 22px; }
@media (max-width: 640px) {
  .kk-lightbox-frame { width: 100vw; aspect-ratio: 4 / 3; border-radius: 0; border-width: 0; }
  .kk-lightbox-prev, .kk-lightbox-next { width: 36px; height: 36px; font-size: 18px; }
}