/* =========================================================
   北京复客技术有限公司 — 官方站点
   风格: Neo-Chinese Tech Editorial
   ========================================================= */

:root {
  --ink: #0E0E10;
  --ink-2: #1A1A1C;
  --ink-3: #2A2A2D;
  --paper: #F4EFE6;
  --paper-2: #EBE4D4;
  --paper-3: #DFD7C2;
  --cinnabar: #C73E3A;
  --cinnabar-deep: #8E2421;
  --gold: #B08D57;
  --gold-light: #D4B981;
  --mist: #8B8680;
  --mist-light: #B5B0A6;

  --serif-en: "Fraunces", "Times New Roman", serif;
  --serif-cn: "Noto Serif SC", "STSong", "SimSun", serif;
  --sans-en: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;
  --sans-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Consolas, monospace;

  --maxw: 1480px;
  --gutter: 48px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.65, 0, 0.35, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
*::selection { background: var(--cinnabar); color: var(--paper); }

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--sans-cn), var(--sans-en);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  cursor: none;
}

a { color: inherit; text-decoration: none; cursor: none; }
button { cursor: none; font-family: inherit; }
img, svg { display: block; max-width: 100%; }

/* ===== Custom cursor ===== */
.cursor {
  position: fixed;
  width: 36px; height: 36px;
  border: 1px solid var(--cinnabar);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width .25s var(--ease), height .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
  mix-blend-mode: normal;
}
.cursor.hover { width: 60px; height: 60px; background: rgba(199,62,58,.12); }
.cursor-dot {
  position: fixed;
  width: 4px; height: 4px;
  background: var(--cinnabar);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
}

/* ===== Seal curtain (intro animation) ===== */
.seal-curtain {
  position: fixed;
  inset: 0;
  background: var(--ink);
  z-index: 9000;
  display: grid;
  place-items: center;
  transition: opacity .8s var(--ease), visibility .8s var(--ease);
}
.seal-curtain.gone { opacity: 0; visibility: hidden; }
.seal-mark {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 200px; height: 200px;
  border: 6px solid var(--cinnabar);
  background: var(--cinnabar);
  position: relative;
  transform: scale(0);
  animation: sealStamp 1.1s var(--ease) .3s forwards;
}
.seal-mark::before {
  content: ""; position: absolute; inset: 8px;
  border: 2px solid rgba(244,239,230,.4);
  pointer-events: none;
}
.seal-ch {
  font-family: var(--serif-cn);
  font-weight: 700;
  font-size: 84px;
  color: var(--paper);
  display: grid; place-items: center;
  line-height: 1;
  opacity: 0;
  animation: chIn .6s var(--ease) .9s forwards;
}
.seal-ch:nth-child(2) { animation-delay: 1.05s; }
@keyframes sealStamp {
  0% { transform: scale(0) rotate(-25deg); opacity: 0; }
  60% { transform: scale(1.15) rotate(-3deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}
@keyframes chIn { to { opacity: 1; } }

/* ===== Scroll progress ===== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px; width: 0;
  background: var(--cinnabar);
  z-index: 8000;
  transition: width .1s linear;
}

/* ===== Utility bar ===== */
.utility-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 32px;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 var(--gutter);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  z-index: 7000;
  border-bottom: 1px solid rgba(244,239,230,.08);
}
.utility-left, .utility-right { display: flex; align-items: center; gap: 12px; }
.utility-bar .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cinnabar);
  animation: pulse 2s ease-in-out infinite;
}
.utility-bar .divider { color: var(--mist); }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(.7); }
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 32px; left: 0; right: 0;
  height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 0 var(--gutter);
  background: rgba(244,239,230,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 6000;
  border-bottom: 1px solid rgba(14,14,16,.06);
  transition: background .4s var(--ease);
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
}
.logo-glyph {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif-en);
  font-weight: 700;
  font-size: 22px;
  font-style: italic;
  letter-spacing: -0.02em;
  position: relative;
}
.logo-glyph::after {
  content: ""; position: absolute;
  inset: -4px; border: 1px solid var(--cinnabar);
  pointer-events: none;
}
.logo-glyph.lg-dark { background: var(--paper); color: var(--ink); }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-cn {
  font-family: var(--serif-cn);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .15em;
}
.logo-en {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .25em;
  margin-top: 4px;
  color: var(--mist);
}
.nav-links {
  display: flex; justify-content: center; gap: 40px;
}
.nav-links a {
  display: flex; align-items: baseline; gap: 6px;
  position: relative;
  padding: 6px 0;
}
.nav-links a span {
  font-family: var(--serif-cn);
  font-size: 15px;
  font-weight: 500;
}
.nav-links a i {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  color: var(--mist);
  font-weight: 400;
}
.nav-links a::after {
  content: attr(data-num);
  position: absolute;
  top: -10px; left: 0;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--cinnabar);
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.nav-links a:hover::after { opacity: 1; }
.nav-links a:hover span { color: var(--cinnabar); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  font-family: var(--sans-cn);
  font-weight: 500;
  letter-spacing: .05em;
  transition: background .3s var(--ease), transform .3s var(--ease);
  border: 1px solid var(--ink);
}
.nav-cta:hover {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  transform: translateY(-1px);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 220px var(--gutter) 100px;
  display: flex; flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  background: var(--paper);
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(14,14,16,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(14,14,16,.04) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 90%);
}
.hero-noise {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: .08;
  pointer-events: none;
  mix-blend-mode: multiply;
}
.hero-meta {
  position: absolute;
  top: 140px;
  display: flex; flex-direction: column;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
  z-index: 2;
}
.hero-meta-tl { left: var(--gutter); }
.hero-meta-tr { right: var(--gutter); text-align: right; }
.meta-label { color: var(--cinnabar); margin-bottom: 4px; }
.meta-value { color: var(--ink); margin-bottom: 8px; }

.hero-vertical {
  position: absolute;
  font-family: var(--serif-cn);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .4em;
  color: var(--ink);
  z-index: 2;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}
.hero-vertical-l {
  left: 24px;
  top: 200px;
  color: var(--ink);
}
.hero-vertical-l span:nth-child(odd) { color: var(--cinnabar); }
.hero-vertical-r {
  right: 24px;
  top: 50%;
  transform: translateY(-50%) rotate(180deg);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .5em;
  color: var(--mist);
}

.hero-inner {
  position: relative;
  z-index: 3;
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
  flex: 1;
  display: flex; flex-direction: column;
  justify-content: center;
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cinnabar);
  margin-bottom: 32px;
}
.hero-eyebrow .line { width: 60px; height: 1px; background: var(--cinnabar); }

.hero-title {
  font-family: var(--serif-cn);
  font-weight: 700;
  line-height: .9;
  margin-bottom: 64px;
  color: var(--ink);
}
.ht-row { display: block; overflow: visible; }
.ht-row-2 { margin-top: 24px; }
.ht-cn {
  display: inline-block;
  font-size: clamp(120px, 18vw, 240px);
  letter-spacing: -.04em;
  position: relative;
  margin-right: 12px;
}
.ht-cn::before {
  content: attr(data-text);
  position: absolute; inset: 0;
  color: var(--cinnabar);
  opacity: 0;
  transform: translate(8px, 8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
  z-index: -1;
}
.ht-cn:hover::before { opacity: .3; transform: translate(4px, 4px); }
.ht-en {
  display: inline-block;
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(48px, 6vw, 96px);
  color: var(--cinnabar);
  vertical-align: super;
  margin-left: 8px;
}
.ht-italic {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(36px, 5vw, 72px);
  color: var(--ink);
  margin-right: 24px;
}
.ht-mark {
  font-family: var(--serif-cn);
  font-weight: 700;
  font-size: clamp(48px, 7vw, 96px);
  color: var(--cinnabar);
  margin: 0 16px;
  display: inline-block;
  transform: translateY(-8px);
}
.ht-display {
  font-family: var(--serif-en);
  font-weight: 700;
  font-size: clamp(48px, 7vw, 96px);
  letter-spacing: -.02em;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--cinnabar);
  text-decoration-thickness: 4px;
  text-underline-offset: 12px;
}

.hero-foot {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: end;
  max-width: 1100px;
}
.hero-lede {
  font-family: var(--sans-cn);
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-2);
  max-width: 520px;
}
.hero-lede em {
  font-style: normal;
  font-weight: 600;
  border-bottom: 1px solid var(--cinnabar);
  padding-bottom: 1px;
}
.hero-actions { display: flex; gap: 16px; justify-self: end; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 28px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .08em;
  transition: all .3s var(--ease);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ===== Hero network graph (产业大脑) ===== */
.hero-network {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .55;
}
.hero-network svg { width: 100%; height: 100%; }
.hero-network .node {
  fill: var(--cinnabar);
  opacity: 0;
  animation: nodeIn 1.4s var(--ease) forwards;
}
.hero-network .node-center {
  fill: var(--ink);
  stroke: var(--cinnabar);
  stroke-width: 1;
}
.hero-network .node-mid {
  fill: var(--ink);
}
.hero-network .edge {
  stroke: var(--ink);
  stroke-width: .5;
  opacity: 0;
  animation: edgeIn 1.6s var(--ease) forwards;
}
.hero-network .pulse {
  fill: var(--cinnabar);
  animation: pulseRipple 3s ease-in-out infinite;
  transform-origin: center;
}
@keyframes nodeIn {
  0% { opacity: 0; r: 0; }
  60% { opacity: 1; }
  100% { opacity: 1; }
}
@keyframes edgeIn {
  0% { stroke-dashoffset: 200; opacity: 0; }
  100% { stroke-dashoffset: 0; opacity: .25; }
}
@keyframes pulseRipple {
  0%, 100% { opacity: 0; }
  50% { opacity: .6; }
}
.hero-marquee {
  position: relative;
  z-index: 3;
  overflow: hidden;
  padding: 24px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  margin: 60px calc(-1 * var(--gutter)) 0;
  background: var(--ink);
  color: var(--paper);
}
.marquee-track {
  display: inline-flex; gap: 32px;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: 32px;
  letter-spacing: .04em;
  padding-left: 32px;
}
.marquee-track span { flex-shrink: 0; }
.marquee-track span:nth-child(even) { color: var(--cinnabar); font-style: normal; font-weight: 700; font-family: var(--serif-en); }
@keyframes marquee {
  to { transform: translateX(-50%); }
}

.hero-scroll {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .3em;
  color: var(--mist);
  z-index: 3;
}
.scroll-line {
  width: 1px; height: 40px;
  background: rgba(14,14,16,.2);
  position: relative;
  overflow: hidden;
}
.scroll-dot {
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 1px; height: 12px;
  background: var(--cinnabar);
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { top: -12px; }
  100% { top: 40px; }
}

/* ===== STRIP (stats) ===== */
.strip {
  background: var(--ink);
  color: var(--paper);
  padding: 0;
  border-top: 1px solid var(--ink);
}
.strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--maxw);
  margin: 0 auto;
}
.strip-cell {
  padding: 56px 40px;
  display: flex; flex-direction: column;
  gap: 12px;
  border-right: 1px solid rgba(244,239,230,.08);
  position: relative;
  transition: background .4s var(--ease);
}
.strip-cell:last-child { border-right: none; }
.strip-cell:hover { background: rgba(199,62,58,.08); }
.strip-cell::before {
  content: ""; position: absolute;
  top: 0; left: 0; width: 0; height: 2px;
  background: var(--cinnabar);
  transition: width .5s var(--ease);
}
.strip-cell:hover::before { width: 100%; }
.strip-num {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: 96px;
  line-height: 1;
  color: var(--paper);
}
.strip-label {
  font-family: var(--sans-cn);
  font-size: 13px;
  letter-spacing: .15em;
  color: var(--mist-light);
}

/* ===== Section heads ===== */
.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: 60px;
  padding: 140px var(--gutter) 60px;
  max-width: var(--maxw);
  margin: 0 auto;
  border-bottom: 1px solid rgba(14,14,16,.1);
}
.sh-left { display: flex; flex-direction: column; gap: 16px; }
.sh-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cinnabar);
}
.sh-title {
  font-family: var(--serif-cn);
  font-weight: 700;
  font-size: clamp(48px, 6vw, 80px);
  line-height: 1.05;
  color: var(--ink);
}
.sh-title i {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: .55em;
  color: var(--cinnabar);
  margin-left: 16px;
  letter-spacing: .02em;
}
.sh-lede {
  font-family: var(--sans-cn);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-3);
  max-width: 480px;
  justify-self: end;
}
.section-head-light .sh-title,
.section-head-light .sh-lede { color: var(--paper); }
.section-head-light .sh-num { color: var(--cinnabar); }
.section-head-light { border-bottom-color: rgba(244,239,230,.1); }

/* ===== ABOUT ===== */
.about {
  background: var(--paper);
  padding-bottom: 140px;
}
.about-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px var(--gutter) 0;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
}
.about-quote {
  position: relative;
  padding: 60px 0 0;
  border-top: 1px solid var(--ink);
}
.quote-mark {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 200px;
  line-height: .5;
  color: var(--cinnabar);
  display: block;
  position: absolute;
  top: 30px; left: -8px;
}
.quote-text {
  font-family: var(--serif-cn);
  font-size: 32px;
  line-height: 1.4;
  font-weight: 500;
  color: var(--ink);
  margin-top: 80px;
}
.quote-by {
  display: flex; align-items: center; gap: 16px;
  margin-top: 32px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}
.qb-line { width: 40px; height: 1px; background: var(--ink); }

.about-body {
  padding-top: 40px;
}
.about-body p {
  font-family: var(--sans-cn);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-2);
  margin-bottom: 20px;
}
.about-body strong { font-weight: 700; }
.about-body em {
  font-style: normal;
  color: var(--cinnabar);
  border-bottom: 1px dotted var(--cinnabar);
}

.about-tags {
  grid-column: 1 / -1;
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(14,14,16,.1);
}
.tag {
  padding: 8px 16px;
  border: 1px solid var(--ink);
  font-family: var(--sans-cn);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--ink);
  transition: all .3s var(--ease);
}
.tag:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ===== SERVICES ===== */
.services {
  background: var(--ink);
  color: var(--paper);
  padding-bottom: 140px;
}
.service-list {
  max-width: var(--maxw);
  margin: 80px auto 0;
  padding: 0 var(--gutter);
}
.service-row {
  display: grid;
  grid-template-columns: 80px 1.2fr 2fr 1.2fr 60px;
  gap: 40px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid rgba(244,239,230,.1);
  position: relative;
  transition: padding .4s var(--ease);
}
.service-row:first-child { border-top: 1px solid rgba(244,239,230,.1); }
.service-row:hover {
  padding-left: 24px;
  padding-right: 24px;
  background: rgba(199,62,58,.05);
}
.service-row:hover .sr-arrow {
  transform: translateX(12px);
  color: var(--cinnabar);
}
.sr-num {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: 48px;
  line-height: 1;
  color: var(--cinnabar);
}
.sr-name h3 {
  font-family: var(--serif-cn);
  font-size: 28px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.2;
}
.sr-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 14px;
  color: var(--gold);
  margin-top: 6px;
  display: block;
}
.sr-desc {
  font-family: var(--sans-cn);
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-light);
}
.sr-list {
  list-style: none;
  display: flex; flex-direction: column;
  gap: 8px;
}
.sr-list li {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--paper);
  padding-left: 16px;
  position: relative;
}
.sr-list li::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--cinnabar);
}
.sr-arrow {
  font-size: 32px;
  color: var(--paper);
  transition: transform .4s var(--ease), color .3s var(--ease);
  align-self: center;
}

/* ===== WORKS ===== */
.works {
  background: var(--paper);
  padding-bottom: 140px;
}
.work-grid {
  max-width: var(--maxw);
  margin: 80px auto 0;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.work-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--ink);
  background: var(--paper);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
  overflow: hidden;
}
.work-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px -20px rgba(14,14,16,.3);
}
.wc-large { grid-column: span 2; }
.wc-large .wc-visual { aspect-ratio: 16/7; }
.wc-visual {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--ink);
}
.wc-v-tag {
  position: absolute;
  top: 16px; left: 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--paper);
  background: var(--ink);
  padding: 6px 12px;
  z-index: 2;
}

/* Work visuals — distinct mini compositions */
.wc-v-1 { background: linear-gradient(135deg, #1a1a1c 0%, #0e0e10 100%); }
.wc-v-1::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(90deg, transparent 0, transparent 38px, rgba(199,62,58,.15) 38px, rgba(199,62,58,.15) 40px);
}
.wc-v-1::after {
  content: "¥ ¥ ¥"; position: absolute;
  right: 32px; top: 50%; transform: translateY(-50%);
  font-family: var(--serif-cn);
  font-size: 180px;
  font-weight: 700;
  color: var(--cinnabar);
  opacity: .25;
  line-height: 1;
}

.wc-v-2 {
  background: radial-gradient(circle at 30% 30%, #2a2a2d, #0e0e10 70%);
}
.wc-v-2::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-radial-gradient(circle at 30% 30%, transparent 0, transparent 30px, rgba(176,141,87,.18) 30px, rgba(176,141,87,.18) 32px);
}
.wc-v-2::after {
  content: ""; position: absolute;
  left: 50%; top: 50%;
  width: 100px; height: 100px;
  background: var(--gold);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 80px 40px rgba(176,141,87,.3);
}

.wc-v-3 {
  background: linear-gradient(45deg, #1a1a1c 25%, transparent 25%) -20px 0,
              linear-gradient(-45deg, #1a1a1c 25%, transparent 25%) -20px 0,
              linear-gradient(45deg, transparent 75%, #1a1a1c 75%),
              linear-gradient(-45deg, transparent 75%, #1a1a1c 75%);
  background-size: 40px 40px;
  background-color: #0e0e10;
}
.wc-v-3::after {
  content: "♥"; position: absolute;
  left: 50%; top: 50%; transform: translate(-50%, -50%);
  font-size: 200px;
  color: var(--cinnabar);
  opacity: .4;
}

.wc-v-4 {
  background: var(--ink);
}
.wc-v-4::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, transparent 0, transparent 49.8%, var(--cinnabar) 49.8%, var(--cinnabar) 50.2%, transparent 50.2%),
    linear-gradient(to bottom, transparent 0, transparent 49.8%, var(--cinnabar) 49.8%, var(--cinnabar) 50.2%, transparent 50.2%);
  background-size: 60px 60px;
  opacity: .25;
}
.wc-v-4::after {
  content: ""; position: absolute;
  left: 50%; top: 50%;
  width: 200px; height: 200px;
  border: 2px solid var(--gold);
  transform: translate(-50%, -50%) rotate(45deg);
  box-shadow: 0 0 60px rgba(176,141,87,.4);
}

.wc-v-5 {
  background: linear-gradient(to bottom, #0e0e10 0%, #1a1a1c 100%);
}
.wc-v-5::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(244,239,230,.05) 1px, transparent 1px);
  background-size: 24px 100%;
}
.wc-v-5::after {
  content: "政务"; position: absolute;
  left: 50%; top: 50%; transform: translate(-50%, -50%);
  font-family: var(--serif-cn);
  font-size: 120px;
  font-weight: 700;
  color: var(--paper);
  opacity: .15;
  letter-spacing: .3em;
}

.wc-meta {
  padding: 28px;
  display: flex; flex-direction: column;
  gap: 12px;
}
.wc-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cinnabar);
}
.wc-meta h3 {
  font-family: var(--serif-cn);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}
.wc-meta p {
  font-family: var(--sans-cn);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
}
.wc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.wc-tags span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .05em;
  padding: 4px 10px;
  background: var(--paper-2);
  color: var(--ink);
}

/* ===== SCENARIOS ===== */
.scenarios {
  background: var(--paper);
  padding-bottom: 140px;
  position: relative;
  overflow: hidden;
}
.scenarios::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(to right, transparent, var(--ink), transparent);
  opacity: .2;
}
.scenario-grid {
  max-width: var(--maxw);
  margin: 80px auto 0;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scenario-card {
  position: relative;
  padding: 36px 32px 32px;
  background: var(--paper);
  border: 1px solid rgba(14,14,16,.12);
  display: flex; flex-direction: column;
  gap: 16px;
  transition: all .5s var(--ease);
  overflow: hidden;
}
.scenario-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 0; height: 3px;
  background: var(--cinnabar);
  transition: width .6s var(--ease);
}
.scenario-card:hover {
  border-color: var(--ink);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px -20px rgba(14,14,16,.2);
}
.scenario-card:hover::before { width: 100%; }
.sc-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  color: var(--cinnabar);
  border: 1px solid var(--cinnabar);
  transition: all .3s var(--ease);
}
.scenario-card:hover .sc-icon {
  background: var(--cinnabar);
  color: var(--paper);
}
.sc-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--mist);
}
.sc-title {
  font-family: var(--serif-cn);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
  margin-top: -4px;
}
.sc-desc {
  font-family: var(--sans-cn);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
  flex: 1;
}
.sc-points {
  list-style: none;
  display: flex; flex-direction: column;
  gap: 6px;
  margin-top: 4px;
  padding-top: 16px;
  border-top: 1px solid rgba(14,14,16,.1);
}
.sc-points li {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-2);
  padding-left: 14px;
  position: relative;
}
.sc-points li::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--cinnabar);
}

.scenario-card.sc-cta {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  justify-content: space-between;
}
.scenario-card.sc-cta::before { display: none; }
.scenario-card.sc-cta:hover {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
}
.scenario-card.sc-cta .sc-num { color: var(--gold); }
.scenario-card.sc-cta .sc-title { color: var(--paper); }
.scenario-card.sc-cta .sc-desc { color: var(--mist-light); }
.sc-cta-link {
  display: inline-flex; align-items: center;
  gap: 10px;
  margin-top: 12px;
  font-family: var(--serif-cn);
  font-size: 15px;
  color: var(--paper);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--paper);
  align-self: flex-start;
  transition: gap .3s var(--ease);
}
.scenario-card.sc-cta:hover .sc-cta-link { gap: 16px; border-color: transparent; }
@media (max-width: 1100px) {
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .scenario-grid { grid-template-columns: 1fr; }
}
.manifesto {
  background: var(--paper-2);
  padding: 160px var(--gutter);
  position: relative;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.manifesto::before {
  content: "態度 · 02";
  position: absolute;
  top: 40px; left: var(--gutter);
  font-family: var(--serif-cn);
  font-size: 16px;
  letter-spacing: .3em;
  color: var(--cinnabar);
}
.mf-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.mf-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--cinnabar);
  display: block;
  margin-bottom: 40px;
}
.mf-title {
  font-family: var(--serif-cn);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  max-width: 1000px;
  margin-bottom: 100px;
}
.mf-title em {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  color: var(--cinnabar);
}
.mf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
}
.mf-item {
  padding: 40px 32px 40px 0;
  border-right: 1px solid var(--ink);
  display: flex; flex-direction: column;
  gap: 16px;
}
.mf-item:last-child { border-right: none; }
.mf-item:not(:first-child) { padding-left: 32px; }
.mf-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cinnabar);
}
.mf-item h4 {
  font-family: var(--serif-cn);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}
.mf-item p {
  font-family: var(--sans-cn);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
}

/* ===== INSIGHTS ===== */
.insights {
  background: var(--paper);
  padding-bottom: 140px;
}
.insight-list {
  max-width: var(--maxw);
  margin: 80px auto 0;
  padding: 0 var(--gutter);
}
.insight-item {
  display: grid;
  grid-template-columns: 240px 1fr 200px;
  gap: 60px;
  align-items: center;
  padding: 32px 0;
  border-top: 1px solid rgba(14,14,16,.15);
  transition: padding .4s var(--ease);
}
.insight-item:last-child { border-bottom: 1px solid rgba(14,14,16,.15); }
.insight-item:hover {
  padding-left: 16px; padding-right: 16px;
  background: rgba(199,62,58,.04);
}
.insight-item:hover .ii-read { color: var(--cinnabar); transform: translateX(8px); }
.ii-meta {
  display: flex; flex-direction: column;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
}
.ii-cat { color: var(--cinnabar); }
.ii-date { color: var(--mist); }
.ii-title {
  font-family: var(--serif-cn);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}
.ii-excerpt {
  font-family: var(--sans-cn);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
  margin-top: 12px;
}
.ii-read {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 14px;
  color: var(--ink);
  text-align: right;
  transition: color .3s var(--ease), transform .3s var(--ease);
}

/* ===== CONTACT ===== */
.contact {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 160px var(--gutter);
  overflow: hidden;
}
.contact-bg {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(199,62,58,.15), transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(176,141,87,.1), transparent 50%);
  pointer-events: none;
}
.contact-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: start;
}
.ct-left .sh-num { color: var(--cinnabar); }
.ct-title {
  font-family: var(--serif-cn);
  font-weight: 700;
  font-size: clamp(56px, 7vw, 96px);
  line-height: 1.1;
  margin: 24px 0 32px;
  color: var(--paper);
}
.ct-title em {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  color: var(--cinnabar);
  display: inline-block;
}
.ct-title span { display: block; }
.ct-lede {
  font-family: var(--sans-cn);
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-light);
  margin-bottom: 48px;
  max-width: 480px;
}
.ct-info { display: flex; flex-direction: column; gap: 20px; }
.ct-info-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid rgba(244,239,230,.15);
}
.ct-info-row:last-child { border-bottom: 1px solid rgba(244,239,230,.15); }
.ci-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--gold);
  padding-top: 3px;
}
.ci-value {
  font-family: var(--serif-cn);
  font-size: 16px;
  color: var(--paper);
  transition: color .3s var(--ease);
}
a.ci-value:hover { color: var(--cinnabar); }

.ct-form {
  background: rgba(244,239,230,.03);
  border: 1px solid rgba(244,239,230,.15);
  padding: 40px;
  display: flex; flex-direction: column;
  gap: 24px;
  backdrop-filter: blur(10px);
}
.ff-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ff-field { display: flex; flex-direction: column; gap: 8px; }
.ff-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--gold);
}
.ff-field input,
.ff-field select,
.ff-field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(244,239,230,.3);
  padding: 12px 0;
  color: var(--paper);
  font-family: var(--sans-cn);
  font-size: 15px;
  outline: none;
  transition: border-color .3s var(--ease);
}
.ff-field input::placeholder,
.ff-field textarea::placeholder { color: rgba(244,239,230,.3); }
.ff-field input:focus,
.ff-field select:focus,
.ff-field textarea:focus {
  border-bottom-color: var(--cinnabar);
}
.ff-field select option { background: var(--ink); color: var(--paper); }
.ff-field textarea { resize: vertical; min-height: 80px; }

.form-submit {
  margin-top: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 12px;
  padding: 18px;
  background: var(--cinnabar);
  color: var(--paper);
  border: 1px solid var(--cinnabar);
  font-size: 14px;
  letter-spacing: .15em;
  font-weight: 500;
  transition: all .3s var(--ease);
}
.form-submit:hover {
  background: var(--paper);
  color: var(--cinnabar);
  border-color: var(--paper);
}
.form-sent {
  display: none;
  font-family: var(--sans-cn);
  font-size: 14px;
  color: var(--gold);
  text-align: center;
  padding: 12px;
  border: 1px solid var(--gold);
}
.form-sent.show { display: block; }

/* ===== FOOTER ===== */
.footer {
  background: var(--ink);
  color: var(--paper);
  padding: 80px var(--gutter) 40px;
  border-top: 1px solid rgba(244,239,230,.1);
}
.footer-top {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(244,239,230,.1);
}
.ft-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.ft-tag {
  font-family: var(--serif-cn);
  font-size: 14px;
  color: var(--mist-light);
  margin-bottom: 24px;
}
.ft-social { display: flex; gap: 24px; }
.ft-social a {
  font-family: var(--sans-cn);
  font-size: 13px;
  color: var(--paper);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), color .3s var(--ease);
}
.ft-social a:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}
.ft-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.ft-col { display: flex; flex-direction: column; gap: 12px; }
.ft-col h5 {
  font-family: var(--serif-cn);
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 8px;
  letter-spacing: .1em;
}
.ft-col a {
  font-family: var(--sans-cn);
  font-size: 13px;
  color: var(--mist-light);
  transition: color .3s var(--ease);
}
.ft-col a:hover { color: var(--cinnabar); }

.footer-big {
  max-width: var(--maxw);
  margin: 40px auto;
  display: flex; align-items: center; justify-content: center;
  gap: 8px;
  font-family: var(--serif-en);
  font-weight: 700;
  font-size: clamp(80px, 18vw, 240px);
  line-height: 1;
  color: var(--paper);
  letter-spacing: -.02em;
  overflow: hidden;
  height: clamp(120px, 22vw, 280px);
  -webkit-text-stroke: 1px var(--paper);
  color: transparent;
}
.footer-big span:nth-child(1) { color: var(--cinnabar); -webkit-text-stroke: none; }
.footer-big em {
  font-style: normal;
  color: var(--cinnabar);
  -webkit-text-stroke: none;
  font-size: .5em;
  margin: 0 16px;
}
.footer-big span:nth-last-child(-n+2) {
  font-family: var(--serif-cn);
  color: var(--paper);
  -webkit-text-stroke: none;
}

.footer-bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex; justify-content: space-between;
  padding-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--mist);
}

/* ===== Reveal on scroll ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  :root { --gutter: 32px; }
  .nav-links { gap: 24px; }
  .about-grid,
  .work-grid { grid-template-columns: 1fr; }
  .wc-large { grid-column: auto; }
  .service-row { grid-template-columns: 60px 1fr; gap: 24px; }
  .sr-desc, .sr-list, .sr-arrow { grid-column: 2; }
  .mf-grid { grid-template-columns: repeat(2, 1fr); }
  .mf-item { border-right: none; border-bottom: 1px solid var(--ink); }
  .mf-item:nth-child(2n) { border-right: none; }
  .insight-item { grid-template-columns: 1fr; gap: 16px; }
  .ii-read { text-align: left; }
  .contact-inner { grid-template-columns: 1fr; gap: 60px; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .ft-cols { grid-template-columns: repeat(2, 1fr); }
  .strip-inner { grid-template-columns: repeat(2, 1fr); }
  .strip-cell:nth-child(2) { border-right: none; }
  .strip-cell:nth-child(1), .strip-cell:nth-child(2) { border-bottom: 1px solid rgba(244,239,230,.08); }
}
@media (max-width: 720px) {
  :root { --gutter: 20px; }
  .nav-links { display: none; }
  .nav { grid-template-columns: 1fr auto; }
  .utility-bar { font-size: 10px; padding: 0 12px; }
  .hero { padding-top: 160px; }
  .hero-foot { grid-template-columns: 1fr; gap: 32px; }
  .hero-actions { justify-self: start; flex-direction: column; width: 100%; }
  .btn { width: 100%; justify-content: space-between; }
  .hero-vertical { display: none; }
  .hero-meta { display: none; }
  .section-head { grid-template-columns: 1fr; gap: 24px; padding: 80px var(--gutter) 40px; }
  .sh-lede { justify-self: start; }
  .ff-row { grid-template-columns: 1fr; }
  .footer-big { font-size: 80px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .cursor, .cursor-dot { display: none; }
  body { cursor: auto; }
  a, button { cursor: pointer; }
}