:root {
  --color-bg: #f7f3ec;
  --color-ink: #1b1712;
  --color-ink-soft: #6f6759;
  --color-accent: #c63c1f;
  --color-accent-ink: #f2e4dd;
  --color-card-dark: #171310;
  --color-card-dark-text: #f2e9dd;
  --color-line: rgba(27, 23, 18, 0.12);

  --font-display: 'Fraunces', ui-serif, Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Noto Sans SC', sans-serif;

  --text-hero-en: clamp(3.2rem, 1.6rem + 9vw, 11rem);
  --text-hero-cn: clamp(2.6rem, 1.2rem + 7.5vw, 8.5rem);
  --text-h2: clamp(1.6rem, 1.2rem + 2.2vw, 3rem);
  --text-base: clamp(1rem, 0.94rem + 0.3vw, 1.15rem);
  --text-small: 0.78rem;

  --space-section: clamp(4.5rem, 3.2rem + 6vw, 10rem);
  --space-lg: clamp(2rem, 1.5rem + 2.2vw, 4rem);
  --space-md: clamp(1.2rem, 1rem + 1vw, 2rem);

  --duration-fast: 150ms;
  --duration-normal: 400ms;
  --duration-slow: 900ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2 {
  font-family: var(--font-body);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

/* Fraunces is Latin-only — restrict it to actual wordmark instances so CJK
   headings never fall through to a system serif (looks like 宋体). */
.hero__en,
.nav__mark,
.footer__mark {
  font-family: var(--font-display);
}

p {
  margin: 0;
}

a {
  color: inherit;
}

strong {
  color: var(--color-accent);
  font-weight: 600;
}

/* Atmosphere: fixed grain overlay, no image asset */
.grain {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Reveal veil — the "unconcealment" moment */
.veil {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: var(--color-bg);
  transform: translateY(0);
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.veil--lifted {
  transform: translateY(-100%);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .veil {
    display: none;
  }
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) clamp(1.5rem, 1rem + 3vw, 4rem);
  mix-blend-mode: difference;
  color: #fff;
}

.nav__mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  transition: letter-spacing var(--duration-normal) var(--ease-out-expo);
}

.nav:hover .nav__mark {
  letter-spacing: 0.3em;
}

.nav__cn {
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  position: relative;
}

.nav__cn::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.nav__cn:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hero */
.hero {
  min-height: 100svh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(6rem, 4rem + 4vw, 9rem) clamp(1.5rem, 1rem + 3vw, 4rem) var(--space-lg);
  position: relative;
}

.hero__kicker {
  font-size: var(--text-small);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-md);
}

.hero__stage {
  position: relative;
}

.hero__ghost {
  position: absolute;
  top: 50%;
  left: -3vw;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(7rem, 3rem + 22vw, 28rem);
  color: var(--color-ink);
  opacity: 0.035;
  line-height: 1;
  white-space: nowrap;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

.hero__reveal {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.hero__title {
  display: grid;
  grid-template-columns: 1fr;
  line-height: 0.92;
  position: relative;
  z-index: 1;
}

.hero__en {
  font-size: var(--text-hero-en);
  font-weight: 900;
  letter-spacing: -0.01em;
  grid-row: 1;
  grid-column: 1;
}

.hero__cn {
  font-size: var(--text-hero-cn);
  font-weight: 900;
  font-family: var(--font-body);
  color: var(--color-accent);
  grid-row: 2;
  grid-column: 1;
  margin-top: -0.08em;
  margin-left: clamp(1rem, 4vw, 6rem);
  z-index: 1;
}

.hero__sub {
  max-width: 42ch;
  margin-top: var(--space-lg);
  color: var(--color-ink-soft);
  font-size: clamp(1.15rem, 1rem + 0.7vw, 1.55rem);
  line-height: 1.5;
}

.hero__sub strong {
  color: var(--color-ink);
  font-weight: 600;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-md);
  right: clamp(1.5rem, 1rem + 3vw, 4rem);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-small);
  letter-spacing: 0.14em;
  color: var(--color-ink-soft);
}

.hero__scroll span {
  display: block;
  width: 1px;
  height: 28px;
  background: var(--color-ink-soft);
  animation: scroll-pulse 2.2s ease-in-out infinite;
}

.hero__spotlight {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(560px circle at var(--mx, 50%) var(--my, 30%), rgba(198, 60, 31, 0.12), transparent 60%);
}

@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50% { transform: scaleY(0.5); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__scroll span { animation: none; }
}

/* Sections shared rhythm */
main section {
  padding: var(--space-section) clamp(1.5rem, 1rem + 3vw, 4rem);
}

.kicker {
  font-size: var(--text-small);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  clip-path: inset(0 0 14% 0);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo),
              clip-path var(--duration-slow) var(--ease-out-expo);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
  clip-path: inset(0 0 0% 0);
}

/* Manifesto */
.manifesto {
  border-top: 1px solid var(--color-line);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.manifesto__ghost {
  position: absolute;
  top: 50%;
  right: -3vw;
  transform: translateY(-50%);
  font-size: clamp(10rem, 5rem + 24vw, 36rem);
  font-weight: 900;
  color: var(--color-accent);
  opacity: 0.05;
  line-height: 1;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

.manifesto .kicker,
.manifesto h2,
.manifesto__lead,
.manifesto__origin,
.manifesto__coda {
  position: relative;
  z-index: 1;
}

.manifesto h2 {
  font-size: var(--text-h2);
  max-width: 21ch;
}

.manifesto__lead {
  max-width: 44ch;
  font-size: 1.14rem;
  line-height: 1.5;
  color: var(--color-ink);
}

.manifesto__lead strong {
  color: var(--color-ink);
  font-weight: 600;
}

.manifesto__origin {
  max-width: 44ch;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--color-ink-soft);
  border-left: 2px solid var(--color-accent);
  padding-left: 1.1rem;
}

.manifesto__coda {
  max-width: 52ch;
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.manifesto__coda strong {
  display: block;
  font-family: var(--font-body);
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.2rem);
  font-weight: 900;
  color: var(--color-ink);
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

/* ── Products: sold tools, shown one by one ── */
.product {
  border-top: 1px solid var(--color-line);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.product__intro {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}

.product__index {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 1.8rem + 3vw, 4.4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-accent);
}

.product__index em {
  font-style: normal;
  font-size: 0.34em;
  color: var(--color-ink-soft);
  margin-left: 0.2em;
  letter-spacing: 0.02em;
}

.product__name {
  font-size: var(--text-h2);
}

.product__tagline {
  font-size: var(--text-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
}

.product__desc {
  max-width: 42ch;
  color: var(--color-ink-soft);
  font-size: 1.05rem;
}

.product__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.3rem;
  text-decoration: none;
  font-weight: 600;
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-fast) ease, gap var(--duration-fast) ease;
}

.product__cta:hover {
  border-color: var(--color-accent);
  gap: 0.7rem;
}

.product__cta-note {
  font-size: var(--text-small);
  color: var(--color-ink-soft);
}

.product__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.3rem;
  font-size: var(--text-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-ink-soft);
}

.product__status--live {
  color: var(--color-accent);
}

.product__status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-dot 2s ease-out infinite;
}

.product__status-dot--idle {
  background: var(--color-ink-soft);
  animation: none;
}

/* Floating visual card */
.product__visual {
  position: relative;
  justify-self: center;
  width: min(100%, 440px);
}

.product__visual::before {
  content: '';
  position: absolute;
  inset: -22% -12%;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at 55% 40%, rgba(198, 60, 31, 0.14), transparent 65%);
  filter: blur(50px);
}

.product__visual:has(.product-card--dark)::before {
  background: radial-gradient(circle at 55% 40%, rgba(198, 60, 31, 0.34), transparent 65%);
}

.product__visual::after {
  content: '';
  position: absolute;
  inset: 18px -18px auto 18px;
  height: 84%;
  border-radius: 20px;
  transform: rotate(-6deg);
  z-index: 0;
}

.product--flip .product__visual::after {
  inset: 18px 18px auto -18px;
  transform: rotate(6deg);
}

.product__visual:has(.product-card--dark)::after {
  background: rgba(242, 233, 221, 0.05);
  border: 1px solid rgba(242, 233, 221, 0.09);
}

.product__visual:has(.product-card--light)::after {
  background: #ffffff;
  border: 1px solid var(--color-line);
}

.product-card {
  position: relative;
  z-index: 1;
  border-radius: 20px;
  overflow: hidden;
  transform: rotate(2deg);
  transition: transform var(--duration-normal) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-expo);
}

.product--flip .product-card {
  transform: rotate(-2deg);
}

.product-card:hover {
  transform: rotate(0deg) translateY(-10px);
}

.product-card--dark {
  background: linear-gradient(165deg, #251e18, #171310 65%);
  border: 1px solid rgba(242, 233, 221, 0.09);
  color: var(--color-card-dark-text);
  box-shadow: 0 55px 110px -30px rgba(0, 0, 0, 0.6),
              inset 0 1px 0 rgba(242, 233, 221, 0.07);
}

.product-card--dark:hover {
  box-shadow: 0 66px 130px -26px rgba(0, 0, 0, 0.72),
              inset 0 1px 0 rgba(242, 233, 221, 0.07);
}

.product-card--light {
  background: linear-gradient(165deg, #ffffff, #f2ebe0 72%);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  box-shadow: 0 40px 90px -32px rgba(27, 23, 18, 0.28),
              inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.product-card--light:hover {
  box-shadow: 0 52px 110px -26px rgba(27, 23, 18, 0.34),
              inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.product-card--dark::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.03) 1px,
    transparent 1px,
    transparent 3px
  );
}

.product-card__bar {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.9rem 1.1rem;
}

.product-card--dark .product-card__bar {
  border-bottom: 1px solid rgba(242, 233, 221, 0.09);
}

.product-card--light .product-card__bar {
  border-bottom: 1px solid var(--color-line);
}

.product-card__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.product-card--dark .product-card__dot {
  background: rgba(242, 233, 221, 0.18);
}

.product-card--light .product-card__dot {
  background: rgba(27, 23, 18, 0.14);
}

.product-card--dark .product-card__dot--a,
.product-card--light .product-card__dot--a {
  background: var(--color-accent);
}

.product-card__title {
  margin-left: 0.5rem;
  font-size: var(--text-small);
  font-weight: 600;
}

.product-card--dark .product-card__title {
  color: rgba(242, 233, 221, 0.5);
}

.product-card--light .product-card__title {
  color: var(--color-ink-soft);
}

.product-card__body {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.4rem 1.4rem 1.6rem;
}

.product-card__chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mock-chip {
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.product-card--dark .mock-chip {
  background: rgba(242, 233, 221, 0.06);
  color: rgba(242, 233, 221, 0.6);
  border: 1px solid rgba(242, 233, 221, 0.12);
}

.product-card--light .mock-chip {
  background: rgba(27, 23, 18, 0.04);
  color: var(--color-ink-soft);
  border: 1px solid var(--color-line);
}

/* 司南 — 报损监控台 mockup */
.moncard__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #e7a68d;
  font-weight: 600;
}

.moncard__status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-dot 2s ease-out infinite;
}

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(198, 60, 31, 0.5);
  }
  50% {
    opacity: 0.7;
    box-shadow: 0 0 0 4px rgba(198, 60, 31, 0);
  }
}

.moncard__chart {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  width: 100%;
  height: 58px;
}

.moncard__chart span {
  flex: 1;
  background: linear-gradient(180deg, rgba(230, 110, 78, 0.9), rgba(198, 60, 31, 0.18));
  border-radius: 3px 3px 0 0;
}

.moncard__chart span:nth-child(1) { height: 34%; }
.moncard__chart span:nth-child(2) { height: 58%; }
.moncard__chart span:nth-child(3) { height: 42%; }
.moncard__chart span:nth-child(4) { height: 70%; }
.moncard__chart span:nth-child(5) { height: 52%; }
.moncard__chart span:nth-child(6) { height: 85%; }
.moncard__chart span:nth-child(7) { height: 61%; }
.moncard__chart span:nth-child(8) { height: 92%; }
.moncard__chart span:nth-child(9) { height: 67%; }
.moncard__chart span:nth-child(10) { height: 100%; }
.moncard__chart span:nth-child(11) { height: 73%; }
.moncard__chart span:nth-child(12) { height: 80%; }

.moncard__label {
  font-size: 0.85rem;
  color: rgba(242, 233, 221, 0.42);
}

.moncard__redacted {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.moncard__redacted-bar {
  position: relative;
  display: inline-block;
  width: clamp(120px, 20vw, 200px);
  height: 1.5rem;
  background: rgba(242, 233, 221, 0.12);
  border-radius: 6px;
  overflow: hidden;
}

.moncard__redacted-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(242, 233, 221, 0.55), transparent);
  animation: redacted-scan 2.6s ease-in-out infinite;
}

@keyframes redacted-scan {
  0% { left: -40%; }
  100% { left: 100%; }
}

.moncard__redacted-unit {
  font-size: 1.05rem;
  color: rgba(242, 233, 221, 0.55);
}

/* 真图工坊 — 实拍 → 成图 mockup */
.tucard {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
}

.tucard__shot {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tucard__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
  border-radius: 12px;
}

.tucard__shot--raw .tucard__img {
  filter: saturate(0.85) brightness(0.98);
  box-shadow: inset 0 0 0 1px rgba(27, 23, 18, 0.1);
}

.tucard__shot--out .tucard__img {
  box-shadow: inset 0 0 0 1px rgba(198, 60, 31, 0.22), 0 12px 26px -14px rgba(198, 60, 31, 0.5);
}

.tucard__shot figcaption {
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.tucard__shot--out figcaption {
  color: var(--color-accent);
  font-weight: 600;
}

.tucard__arrow {
  flex: none;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* 图像画布 — 无限画布 · 锁身份节点图 */
.canvascard {
  position: relative;
  width: 100%;
  aspect-ratio: 480 / 340;
  border-radius: 14px;
  overflow: hidden;
  background: radial-gradient(120% 120% at 28% 18%, #fffdf9 0%, #f3ede1 100%);
  border: 1px solid var(--color-line);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55), 0 12px 32px -22px rgba(27, 23, 18, 0.45);
}

.canvascard__grid {
  position: absolute;
  inset: -4px;
  background-image: radial-gradient(rgba(27, 23, 18, 0.16) 1px, transparent 1.5px);
  background-size: 17px 17px;
  opacity: 0.5;
  pointer-events: none;
}

.canvascard__wires {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.cwire {
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 5 6;
  opacity: 0.55;
}

.cport {
  fill: #fff;
  stroke: var(--color-accent);
  stroke-width: 2;
}

.canvascard__toolbar {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: 9px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  padding: 6px 9px;
  border-radius: 9px;
  background: rgba(23, 19, 16, 0.9);
  box-shadow: 0 8px 18px -10px rgba(27, 23, 18, 0.7);
}

.canvascard__tool {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: rgba(242, 233, 221, 0.32);
}

.canvascard__tool--on {
  background: var(--color-accent);
}

.cnode {
  position: absolute;
  z-index: 2;
  margin: 0;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--color-line);
  box-shadow: 0 12px 24px -16px rgba(27, 23, 18, 0.5);
}

.cnode--prompt {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  padding: 0.55rem 0.62rem;
  background: linear-gradient(158deg, #ffffff, #faf5ee);
}

.cnode__cap {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-accent);
}

.cnode__ln {
  height: 5px;
  border-radius: 3px;
  background: rgba(27, 23, 18, 0.15);
}

.cnode__ln--sm {
  width: 56%;
}

.cnode--img {
  padding: 0;
  overflow: hidden;
}

.cnode--img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cnode figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 4px 8px;
  font-size: 0.6rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(0deg, rgba(23, 19, 16, 0.85), rgba(23, 19, 16, 0));
}

.cnode--sel {
  z-index: 3;
  box-shadow: 0 0 0 2px var(--color-accent), 0 18px 32px -16px rgba(198, 60, 31, 0.55);
}

.cnode__h {
  position: absolute;
  width: 7px;
  height: 7px;
  background: #fff;
  border: 2px solid var(--color-accent);
  border-radius: 2px;
  z-index: 5;
}

.cnode__h--tl { left: -4px; top: -4px; }
.cnode__h--tr { right: -4px; top: -4px; }
.cnode__h--bl { left: -4px; bottom: -4px; }
.cnode__h--br { right: -4px; bottom: -4px; }

.canvascard__lock {
  position: absolute;
  z-index: 4;
  left: 12px;
  bottom: 11px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 8px;
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(198, 60, 31, 0.3);
  box-shadow: 0 8px 18px -8px rgba(198, 60, 31, 0.5);
  white-space: nowrap;
}

.canvascard__lock-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(198, 60, 31, 0.18);
}

.canvascard__zoom {
  position: absolute;
  z-index: 4;
  left: 12px;
  top: 11px;
  padding: 3px 8px;
  border-radius: 7px;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--color-ink-soft);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-line);
}

/* 写小说.app — 实录视频 */
.novelvideo {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: #171310;
  border: 1px solid var(--color-line);
  box-shadow: 0 14px 34px -20px rgba(27, 23, 18, 0.5);
}

.novelvideo__v {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1280 / 800;
  object-fit: cover;
}

.novelvideo::after {
  content: "● 实录";
  position: absolute;
  left: 10px;
  top: 10px;
  z-index: 2;
  padding: 3px 9px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: rgba(198, 60, 31, 0.92);
  border-radius: 999px;
  box-shadow: 0 4px 12px -4px rgba(198, 60, 31, 0.55);
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .product__status-dot,
  .moncard__status-dot {
    animation: none;
  }
  .moncard__redacted-bar::after {
    animation: none;
    display: none;
  }
}

/* Desktop: alternating two-column product layout */
@media (min-width: 900px) {
  .product {
    grid-template-columns: 1fr 1fr;
    gap: clamp(2.5rem, 5vw, 6rem);
  }
  .product__intro { order: 1; }
  .product__visual { order: 2; justify-self: end; }
  .product--flip .product__intro { order: 2; }
  .product--flip .product__visual { order: 1; justify-self: start; }
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-lg) clamp(1.5rem, 1rem + 3vw, 4rem);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.footer__mark {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.footer__mark em {
  color: var(--color-accent);
  font-style: normal;
  font-family: var(--font-body);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  text-align: right;
}

.footer__links a {
  text-decoration: none;
  border-bottom: 1px solid var(--color-line);
  transition: border-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.footer__links a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.footer__copy {
  width: 100%;
  font-size: var(--text-small);
  color: var(--color-ink-soft);
  opacity: 0.6;
}

/* ── Contact ── */
.contact {
  border-top: 1px solid var(--color-line);
  padding: var(--space-section) clamp(1.5rem, 1rem + 3vw, 4rem) var(--space-lg);
  display: grid;
  gap: var(--space-lg);
}

.contact__eyebrow {
  font-size: var(--text-small);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 0.9rem;
}

.contact__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.contact__sub {
  margin-top: 0.9rem;
  color: var(--color-ink-soft);
  font-size: 1.05rem;
  max-width: 46ch;
}

.contact__rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 0.6rem + 1.2vw, 1.6rem);
}

.ccard {
  --cc: var(--color-accent);
  --cc-soft: rgba(198, 60, 31, 0.12);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: clamp(1.4rem, 1rem + 1vw, 2rem);
  border: 1px solid var(--color-line);
  border-radius: 18px;
  background: #fffdf8;
  text-decoration: none;
  color: var(--color-ink);
  transition: transform var(--duration-normal) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-out-expo),
    border-color var(--duration-fast) ease;
}

a.ccard:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 44px -24px rgba(27, 23, 18, 0.45);
  border-color: rgba(27, 23, 18, 0.22);
}

a.ccard:focus-visible {
  outline: 2px solid var(--cc);
  outline-offset: 3px;
}

.ccard--tg {
  --cc: #2f9fe0;
  --cc-soft: rgba(47, 159, 224, 0.14);
}

.ccard--wechat {
  --cc: #10c15b;
  --cc-soft: rgba(16, 193, 91, 0.14);
  cursor: default;
}

.ccard__ico {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: var(--cc-soft);
  color: var(--cc);
  margin-bottom: 0.5rem;
}

.ccard__ico svg {
  width: 23px;
  height: 23px;
}

.ccard__k {
  font-size: var(--text-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  font-weight: 600;
}

.ccard__v {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.28rem;
  line-height: 1.24;
  word-break: break-all;
}

.ccard--email .ccard__v {
  font-size: 1.02rem;
  line-height: 1.35;
}

.ccard__hint {
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  line-height: 1.5;
}

.ccard__qr {
  margin-top: 0.5rem;
}

.ccard__qr img {
  width: 132px;
  height: 132px;
  border-radius: 12px;
  border: 1px solid var(--color-line);
  background: #fff;
}

.ccard__go {
  margin-top: auto;
  padding-top: 0.7rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--cc);
}

/* Breakpoints */
@media (max-width: 1024px) {
  .contact__rail {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .manifesto,
  .product {
    gap: var(--space-md);
  }
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer__links {
    text-align: left;
  }
  .contact__rail {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero__cn {
    margin-left: 0.4rem;
  }
}