/* =========================================================
   Aphelion — studio site
   thesis: 一台仪器该有的安静。光、纸、刻度、极小的字。
   ========================================================= */

@font-face {
  font-family: "Bodoni Moda";
  src: url("assets/fonts/bodoni-moda.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0020-007E;
}

:root {
  --display: "Didot", "Bodoni Moda", "Bodoni 72", "Baskerville", Georgia, "Times New Roman", serif;
  --display-cn: "Songti SC", "STSong", "SimSun", "Noto Serif SC", "Source Han Serif SC", serif;
  --ink: #0d0d0e;
  --ink-soft: #24231f;
  --body: #4b463d;
  --paper: #f3f0ea;
  --paper-deep: #e8e3d9;
  --muted: #6b665d;
  --rule: rgba(13, 13, 14, 0.14);
  --rule-strong: rgba(13, 13, 14, 0.3);
  --accent: #b8461f;
  --warm: #e7a06a;

  --sans: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --pad: clamp(20px, 4.86vw, 70px);
  --max: 1440px;
  --nav-h: 70px;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }

:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 5px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: 12px 18px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}
.skip:focus { left: 12px; top: 12px; }

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

/* ---------- 通用小标签 ---------- */

.eyebrow-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
}

.eyebrow--muted { color: var(--muted); }

.dot {
  display: inline-block;
  width: 3px;
  height: 3px;
  margin: 0 10px 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
}

/* =========================================================
   导航
   ========================================================= */

.nav {
  position: fixed;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.5);
  transition: color 0.6s var(--ease);
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 60px;
  padding-inline: var(--pad);
  color: #fff;
  border-bottom: 1px solid transparent;
  transition: color 0.4s var(--ease), background-color 0.4s var(--ease),
    border-color 0.4s var(--ease);
}

/* 导航不铺实底：滚过首屏后只加一层很淡的渐隐，
   让穿过它下面的文字自然消失，而不是被一道硬边切开。 */
body[data-tone="light"] .nav {
  color: var(--ink);
  background: linear-gradient(
    to bottom,
    rgba(243, 240, 234, 0) 0%,
    rgba(243, 240, 234, 0) 100%
  );
}

body[data-tone="light"] .nav.is-scrolled {
  background: linear-gradient(
    to bottom,
    rgba(243, 240, 234, 0.96) 0%,
    rgba(243, 240, 234, 0.88) 58%,
    rgba(243, 240, 234, 0) 100%
  );
}

body[data-tone="dark"] .nav.is-scrolled {
  background: linear-gradient(
    to bottom,
    rgba(8, 8, 8, 0.92) 0%,
    rgba(8, 8, 8, 0.62) 58%,
    rgba(8, 8, 8, 0) 100%
  );
}

.nav__mark {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.mark { width: 23px; height: 23px; overflow: visible; }

/* 纸面上香槟金太浅，压深一档才看得见 */
body[data-tone="light"] .mark__dot { fill: #9a7b4e; }
body[data-tone="light"] .mark__halo { stroke: #9a7b4e; }

.nav__name {
  display: inline-flex;
  align-items: center;
  font-family: var(--display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

/* 导航里的小字标：线宽按比例加粗，否则 13px 下会消失 */
.nav__logo {
  height: 0.72em;
  width: auto;
  overflow: visible;
}

.nav__logo path {
  fill: none;
  stroke: currentColor;
  stroke-width: 7.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav__logo path.thin { stroke-width: 5.6; }


.nav__links {
  display: flex;
  align-items: center;
  gap: 60px;
}

.nav__links a {
  position: relative;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding-block: 6px;
  opacity: 0.74;
  transition: opacity 0.3s var(--ease), letter-spacing 0.4s var(--ease);
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.nav__links a.is-current { opacity: 1; }
.nav__links a.is-current::after { transform: scaleX(1); }

.nav__links a:hover,
.nav__links a:focus-visible { opacity: 1; letter-spacing: 0.16em; }
.nav__links a:hover::after,
.nav__links a:focus-visible::after { transform: scaleX(1); }

.nav__end {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav__mail {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid currentColor;
  color: inherit;
  opacity: 0.62;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.nav__mail:hover { opacity: 1; transform: translateY(-1px); }
.nav__mail svg { width: 14px; height: 14px; }

.nav__burger {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 5px;
}
.nav__burger span {
  display: block;
  width: 20px;
  height: 1px;
  background: currentColor;
  transition: transform 0.4s var(--ease), width 0.4s var(--ease);
}
.nav__burger[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }

/* 移动端菜单 */
.menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--ink);
  color: var(--paper);
  padding: calc(var(--nav-h) + 40px) var(--pad) 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease), visibility 0s linear 0.4s;
}
.menu.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.4s var(--ease), visibility 0s;
}
.menu nav { display: flex; flex-direction: column; }
.menu nav a {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(243, 240, 234, 0.14);
  font-size: 30px;
  font-weight: 300;
  letter-spacing: 0.02em;
}
.menu nav a span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(243, 240, 234, 0.45);
}
.menu__foot {
  font-family: var(--mono);
  font-size: 11px;
  line-height: 2;
  letter-spacing: 0.08em;
  color: rgba(243, 240, 234, 0.5);
}

/* =========================================================
   01 开场
   ========================================================= */

.hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  max-height: 1100px;
  background: #060505;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}

.hero__bg { position: absolute; inset: -2%; }

.hero__bed {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(115% 90% at 50% 42%, #1c130d 0%, #0b0806 54%, #050404 100%);
}

.hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 46%;
  filter: var(--clip-filter, brightness(0.75) contrast(1.3) sepia(0.32));
  mix-blend-mode: screen;
  opacity: 0;
  transform:
    translate3d(calc(var(--px, 0) * -14px), calc(var(--py, 0) * -10px), 0)
    translateY(var(--clip-shift-y, 0px))
    scale(var(--clip-scale, 1.6));
  transition: opacity 1.4s linear;
  will-change: transform;
}

.hero__media.is-on { opacity: var(--clip-opacity, 0.92); }

/* 四段素材各自调色，统一压在同一层暖光上 */
.hero__media[data-clip="cosmos"] {
  --clip-scale: 1.18;
  --clip-shift-y: 155px;
  --clip-opacity: 0.84;
  --clip-filter: brightness(0.82) contrast(1.12) saturate(0.95) sepia(0.18);
}
.hero[data-clip="night"] .hero__scrim,
.hero[data-clip="fog"] .hero__scrim,
.hero[data-clip="sunrise"] .hero__scrim { opacity: 0.4; }

.hero__media[data-clip="night"] {
  --clip-scale: 1.06;
  --clip-opacity: 1;
  --clip-filter: none;
  mix-blend-mode: normal;
}
.hero__media[data-clip="fog"] {
  --clip-scale: 1.02;
  --clip-opacity: 1;
  --clip-filter: none;
  mix-blend-mode: normal;
}

.hero__media[data-clip="sunrise"] {
  --clip-scale: 1.06;
  --clip-opacity: 1;
  --clip-filter: none;
  mix-blend-mode: normal;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  transition: opacity 1.2s linear;
  background:
    linear-gradient(to top, rgba(6, 5, 4, 0.66) 0%, rgba(6, 5, 4, 0.16) 9%, transparent 18%),
    linear-gradient(to bottom, rgba(6, 5, 4, 0.78) 0%, rgba(6, 5, 4, 0.34) 9%, rgba(6, 5, 4, 0.08) 17%, transparent 26%),
    radial-gradient(
    72% 58% at 50% 45%,
    rgba(6, 5, 4, 0.76) 0%,
    rgba(6, 5, 4, 0.44) 48%,
    transparent 82%
  );
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  will-change: transform, opacity;
}

.hero__glow--a {
  width: 58vw;
  height: 58vw;
  left: 14%;
  top: 20%;
  background: radial-gradient(circle at 50% 50%, rgba(206, 110, 52, 0.44), rgba(120, 56, 22, 0.14) 52%, transparent 70%);
  animation: drift-a 28s var(--ease) infinite alternate;
  opacity: 1;
}

.hero__glow--b {
  width: 38vw;
  height: 38vw;
  right: 6%;
  top: 32%;
  background: radial-gradient(circle at 50% 50%, rgba(226, 176, 132, 0.22), rgba(90, 70, 54, 0.08) 55%, transparent 72%);
  animation: drift-b 34s var(--ease) infinite alternate;
}

.hero__streak {
  position: absolute;
  left: -20%;
  top: 40%;
  width: 150%;
  height: 22vh;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(240, 190, 150, 0.04) 18%,
    rgba(250, 210, 170, 0.15) 46%,
    rgba(255, 226, 196, 0.05) 62%,
    transparent 100%
  );
  filter: blur(26px);
  transform: rotate(-13deg);
  animation: streak 19s var(--ease) infinite alternate;
}

.hero__gate {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(255, 255, 255, 0.026) 44%,
    rgba(255, 255, 255, 0.045) 50%,
    rgba(255, 255, 255, 0.026) 56%,
    transparent 100%
  );
  animation: gate 7s steps(24, end) infinite;
}

.hero__grain {
  position: absolute;
  inset: -10%;
  background-image: url("assets/noise.svg");
  background-size: 180px 180px;
  opacity: 0.42;
  mix-blend-mode: overlay;
  animation: grain 0.9s steps(4, end) infinite;
}

.hero__scan {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.016) 0 1px,
    transparent 1px 3px
  );
  opacity: 0.6;
}

.hero__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    112% 82% at 50% 48%,
    transparent 32%,
    rgba(0, 0, 0, 0.42) 78%,
    rgba(0, 0, 0, 0.74) 100%
  );
}

@keyframes drift-a {
  from { transform: translate3d(-2%, -1%, 0) scale(1); opacity: 0.9; }
  to { transform: translate3d(4%, 3%, 0) scale(1.1); opacity: 1; }
}
@keyframes drift-b {
  from { transform: translate3d(2%, 2%, 0) scale(1.06); opacity: 0.75; }
  to { transform: translate3d(-3%, -2%, 0) scale(1); opacity: 1; }
}
@keyframes streak {
  from { transform: rotate(-13deg) translate3d(-2%, 0, 0); opacity: 0.55; }
  to { transform: rotate(-13deg) translate3d(3%, -2%, 0); opacity: 1; }
}
@keyframes gate {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.75; }
}
@keyframes grain {
  0% { transform: translate3d(0, 0, 0); }
  25% { transform: translate3d(-3%, 2%, 0); }
  50% { transform: translate3d(2%, -3%, 0); }
  75% { transform: translate3d(-2%, -2%, 0); }
  100% { transform: translate3d(3%, 1%, 0); }
}

/* 取景框：把首屏当成取景器 */
.hero__frame {
  position: absolute;
  inset: 88px var(--pad) 76px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  pointer-events: none;
}

.hero__stage {
  position: absolute;
  inset: 0;
  transform:
    perspective(1200px)
    translate3d(calc(var(--px, 0) * 5px), calc(var(--py, 0) * 4px), 0)
    rotateX(calc(var(--py, 0) * -0.7deg))
    rotateY(calc(var(--px, 0) * 0.9deg));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-bottom: 2vh;
  text-align: center;
  padding-inline: var(--pad);
}

.hero__eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 26px;
  opacity: 0;
  transform: translateY(10px);
  animation: rise 1.2s var(--ease-out) 0.25s forwards;
}

.hero__mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(14px, 1.4vw, 22px);
  color: #f7f2e9;
  text-shadow:
    0 0 90px rgba(226, 160, 110, 0.22),
    0 2px 55px rgba(6, 5, 4, 0.55);
  transition: color 0.85s var(--ease), text-shadow 0.85s var(--ease);
}

.wm {
  display: block;
  width: clamp(300px, 86vw, 1290px);
  height: auto;
  overflow: visible;
  animation: word-breathe 22s ease-in-out 3s infinite alternate;
}

.wm path {
  fill: none;
  stroke: currentColor;
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: wm-draw 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) backwards;
  animation-delay: calc(var(--i, 0) * 95ms + 0.35s);
}

.wm path.thin { stroke-width: 2.6; }

@keyframes wm-draw {
  from { stroke-dashoffset: var(--len, 0); }
  to { stroke-dashoffset: 0; }
}

.wm__dot {
  fill: #c8b795;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: 50% 50%;
  animation: wm-dot 0.9s var(--ease-out) 1.5s forwards;
}

@keyframes wm-dot {
  from { opacity: 0; transform: scale(0.2); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.hero__cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: clamp(34px, 4.4vw, 54px);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.35s var(--ease);
}

.hero__cta-line {
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.5));
  transition: height 0.5s var(--ease), background-color 0.4s var(--ease);
}

.hero__cta:hover { color: #fff; }
.hero__cta:hover .hero__cta-line {
  height: 46px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.9));
}

.hero__cta { opacity: 0; transform: translateY(8px); animation: rise 1.2s var(--ease-out) 1.92s forwards; }

.hero__foot {
  position: absolute;
  text-shadow: 0 1px 14px rgba(6, 5, 4, 0.85);
  left: var(--pad);
  right: var(--pad);
  bottom: 30px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 20px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.55);
  opacity: 0;
  animation: rise 1.4s var(--ease-out) 0.9s forwards;
  text-shadow: 0 1px 12px rgba(6, 5, 4, 0.7);
}

.hero[data-tone="light"] .hero__mark {
  color: #131110;
  text-shadow: 0 2px 46px rgba(255, 255, 255, 0.35);
}

.hero[data-tone="light"] .hero__foot {
  color: rgba(19, 17, 16, 0.62);
  text-shadow: 0 1px 12px rgba(255, 255, 255, 0.55);
}

.hero__foot.is-faded {
  opacity: 0 !important;
  pointer-events: none;
}

.tc { font-variant-numeric: tabular-nums; letter-spacing: 0.18em; }

.scroll {
  grid-column: 2;
  justify-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.78);
  transition: color 0.3s var(--ease);
}
.scroll:hover { color: #fff; }
.scroll__line {
  display: block;
  width: 1px;
  height: 46px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.55), transparent);
  transform-origin: top;
  animation: cue 2.6s var(--ease) infinite;
}
@keyframes cue {
  0% { transform: scaleY(0.2); opacity: 0.2; }
  45% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* =========================================================
   02 关于
   ========================================================= */

.about,
.work,
.now {
  background-color: var(--paper);
  background-image: url("assets/paper-grain.svg");
  background-size: 160px 160px;
}

.about {
  padding-top: clamp(88px, 11vw, 168px);
  padding-bottom: clamp(64px, 8vw, 112px);
}

.statement {
  max-width: 24em;
  margin-top: clamp(44px, 6vw, 86px);
  font-size: clamp(23px, 2.9vw, 44px);
  line-height: 1.52;
  font-weight: 300;
  letter-spacing: 0.005em;
  color: var(--ink);
}

.about__cols {
  margin-top: clamp(40px, 5vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 110px);
  align-items: start;
}

.about__bio p {
  max-width: none;
  font-size: 15px;
  line-height: 1.95;
  color: var(--body);
  text-wrap: pretty;
}
.about__bio p + p { margin-top: 1.3em; }

.rules { border-top: 1px solid var(--rule); }
.rules li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  padding: 15px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 13px;
  color: var(--body);
}
.rules li span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
  padding-top: 3px;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: clamp(44px, 5vw, 72px);
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}
.facts div { display: flex; flex-direction: column; gap: 8px; }
.facts dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.facts dd { font-size: 13px; color: var(--ink-soft); line-height: 1.7; }

/* =========================================================
   03 作品
   ========================================================= */

.work {
  padding-top: clamp(96px, 7vw, 120px);
}

.work__head { padding-bottom: clamp(28px, 3.4vw, 44px); }

.work__title {
  margin-top: 22px;
  font-size: clamp(22px, 2.1vw, 30px);
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* 面板 */
.plate {
  position: relative;
  width: 100%;
  overflow: hidden;
  isolation: isolate;
  color: var(--paper);
  background: #0b0b0c;
}

.plate + .plate { margin-top: 26px; }

.plate__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: scale(1.001);
  transition: transform 1.6s var(--ease);
  will-change: transform;
}

.plate:hover .plate__bg { transform: scale(1.025); }

.plate__bg::after {
  content: "";
  position: absolute;
  inset: -10%;
  background-image: url("assets/noise.svg");
  background-size: 180px 180px;
  opacity: 0.36;
  mix-blend-mode: overlay;
}

.plate--amber .plate__bg {
  background:
    radial-gradient(70% 110% at 84% 6%, rgba(255, 178, 104, 0.32), transparent 58%),
    radial-gradient(58% 80% at 8% 96%, rgba(126, 40, 12, 0.58), transparent 62%),
    linear-gradient(158deg, #26130a 0%, #170c07 46%, #090505 100%);
}

.plate--amber .plate__bg::before {
  content: "";
  position: absolute;
  right: -16vw;
  top: 50%;
  width: 54vw;
  height: 54vw;
  margin-top: -27vw;
  border-radius: 50%;
  border: 1px solid rgba(255, 214, 176, 0.13);
  box-shadow: inset 0 0 140px rgba(255, 170, 110, 0.07);
}

.plate--graphite .plate__bg {
  background:
    radial-gradient(70% 90% at 76% 46%, rgba(255, 196, 148, 0.1), transparent 58%),
    radial-gradient(80% 110% at 18% 4%, rgba(255, 255, 255, 0.09), transparent 52%),
    linear-gradient(180deg, #1b1a18 0%, #121110 55%, #0a0a09 100%);
}

.plate--graphite .plate__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 236, 214, 0.05) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(180deg, rgba(255, 236, 214, 0.04) 0 1px, transparent 1px 56px);
  mask-image: radial-gradient(90% 90% at 72% 30%, #000 10%, transparent 78%);
  -webkit-mask-image: radial-gradient(90% 90% at 72% 30%, #000 10%, transparent 78%);
}

.plate__inner {
  position: relative;
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  min-height: clamp(620px, 100svh, 1000px);
  padding: calc(var(--nav-h) + clamp(26px, 2.6vw, 40px)) var(--pad) clamp(26px, 2.8vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "top   top"
    "main  proof"
    "foot  foot";
}

.plate__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(243, 240, 234, 0.55);
}

.plate__no { font-size: 11px; color: rgba(243, 240, 234, 0.82); }

.plate__top { grid-area: top; }

.plate__main {
  grid-area: main;
  align-self: center;
  max-width: 660px;
  padding-right: clamp(24px, 4vw, 72px);
}

.plate__name {
  font-size: clamp(42px, 5.2vw, 80px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.012em;
  color: #f7f2e9;
  transition: letter-spacing 0.8s var(--ease);
}

.plate:hover .plate__name { letter-spacing: 0.002em; }

.plate__desc {
  margin-top: 20px;
  max-width: 26em;
  font-size: 14px;
  line-height: 1.95;
  color: rgba(243, 240, 234, 0.74);
  text-wrap: pretty;
}

/* 面板里的证据 */
.proof {
  grid-area: proof;
  align-self: center;
  justify-self: end;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
  margin: 24px 0;
}

.proof__app {
  width: clamp(132px, 15vw, 216px);
  height: auto;
  border-radius: 22%;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.proof--screen img,
.proof--screen picture {
  display: block;
}

.proof--screen img {
  width: clamp(320px, 42vw, 596px);
  height: auto;
  border: 1px solid rgba(243, 240, 234, 0.24);
}

.proof figcaption {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: rgba(243, 240, 234, 0.58);
}

/* 参数表 */
.spec {
  width: 100%;
  max-width: 430px;
  margin-top: clamp(22px, 2.6vw, 34px);
  border-top: 1px solid rgba(243, 240, 234, 0.22);
}

.spec div {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(243, 240, 234, 0.12);
}

.spec dt {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: rgba(243, 240, 234, 0.64);
  padding-top: 2px;
}

.spec dd {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: rgba(243, 240, 234, 0.92);
}

.plate__foot {
  grid-area: foot;
  margin-top: clamp(28px, 3vw, 44px);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(243, 240, 234, 0.16);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(243, 240, 234, 0.64);
}

/* 其他条目 */
.minor {
  padding-top: clamp(44px, 5.6vw, 76px);
  padding-bottom: clamp(52px, 6.4vw, 92px);
}

.minor__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule-strong);
}

.minor__list li {
  display: grid;
  grid-template-columns: 60px minmax(120px, 0.9fr) minmax(0, 2.2fr) 70px;
  gap: 24px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  transition: padding-left 0.4s var(--ease);
}
.minor__list li:hover { padding-left: 8px; }

.minor__no {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.minor__name {
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: letter-spacing 0.5s var(--ease);
}
.minor__list li:hover .minor__name { letter-spacing: 0.03em; }
.minor__note { font-size: 13px; color: var(--body); line-height: 1.7; }
.minor__year {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-align: right;
}

/* =========================================================
   04 现在
   ========================================================= */

.now {
  padding-top: clamp(88px, 6.4vw, 110px);
  padding-bottom: clamp(64px, 8vw, 120px);
}

.now__list { margin-top: clamp(30px, 3.4vw, 46px); }

.now__list li {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) 100px;
  gap: 24px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.now__state {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.led {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--rule-strong);
  flex-shrink: 0;
}
.led--on {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(184, 70, 31, 0.14);
}

.now__what { font-size: 15px; color: var(--ink-soft); letter-spacing: 0.01em; }

.now__stamp {
  margin-top: 26px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-align: right;
}
.now__when {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-align: right;
}

/* =========================================================
   05 联系
   ========================================================= */

.contact {
  position: relative;
  background: #080808;
  color: var(--paper);
  padding-top: clamp(80px, 10vw, 140px);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.contact::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -34vw;
  width: 80vw;
  height: 60vw;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(184, 70, 31, 0.15), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.contact .eyebrow-row { border-bottom-color: rgba(243, 240, 234, 0.18); }
.contact .eyebrow { color: rgba(243, 240, 234, 0.85); }
.contact .eyebrow--muted { color: rgba(243, 240, 234, 0.45); }

.contact__lead {
  margin-top: clamp(48px, 6.4vw, 92px);
  font-size: clamp(23px, 2.7vw, 40px);
  font-weight: 300;
  line-height: 1.62;
  letter-spacing: 0.02em;
  color: rgba(243, 240, 234, 0.88);
}

.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
  margin-top: clamp(26px, 3.4vw, 42px);
}

.contact__mail {
  position: relative;
  display: inline-flex;
  align-items: flex-start;
  gap: 18px;
  justify-self: start;
  font-size: clamp(27px, 4.1vw, 64px);
  font-weight: 300;
  letter-spacing: 0.01em;
  color: var(--paper);
  padding-bottom: 10px;
}

.contact__mail-text {
  border-bottom: 1px solid rgba(243, 240, 234, 0.42);
  padding-bottom: 6px;
  transition: border-color 0.4s var(--ease);
}

.contact__mail::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: rgba(243, 240, 234, 0.4);
  transform-origin: left;
  transition: transform 0.6s var(--ease), background-color 0.4s var(--ease);
}

.contact__mail:hover .contact__mail-text { border-color: var(--warm); }
.contact__mail .arw { font-size: 0.55em; margin-top: 0.32em; }
.contact__mail:hover .arw { transform: translate(4px, -4px); }

.contact__meta {
  border-top: 1px solid rgba(243, 240, 234, 0.18);
}

.contact__meta div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(243, 240, 234, 0.12);
}

.contact__meta dt {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: rgba(243, 240, 234, 0.64);
  padding-top: 3px;
}

.contact__meta dd {
  font-size: 12px;
  line-height: 1.8;
  color: rgba(243, 240, 234, 0.78);
}

.contact__meta a {
  color: inherit;
  border-bottom: 1px solid rgba(243, 240, 234, 0.3);
  padding-bottom: 1px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.contact__meta a:hover { color: #fff; border-color: rgba(255, 255, 255, 0.7); }

.foot {
  margin-top: clamp(60px, 8vw, 100px);
  border-top: 1px solid rgba(243, 240, 234, 0.14);
}

.foot__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 24px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(243, 240, 234, 0.58);
}

.foot__mid { color: rgba(243, 240, 234, 0.34); }
.foot__right { color: rgba(243, 240, 234, 0.6); }

/* =========================================================
   入场
   ========================================================= */

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* =========================================================
   响应式
   ========================================================= */

@media (max-width: 1080px) {
  .nav { gap: 36px; }
  .nav__links { gap: 36px; }
}

@media (max-width: 860px) {
  :root { --nav-h: 60px; }

  .nav__links { display: none; }
  .nav__name { font-size: 14px; letter-spacing: 0.12em; }
  .nav__burger { display: flex; }
  .nav__end { gap: 6px; }
  .nav__mail { width: 44px; height: 44px; }
  .nav__burger { width: 44px; height: 44px; }

  .hero { max-height: none; }
  .hero__media { object-position: 50% 44%; }
  .hero__media[data-clip="cosmos"] { --clip-scale: 1.1; }
  .hero[data-clip="night"] .hero__scrim,
.hero[data-clip="fog"] .hero__scrim,
.hero[data-clip="sunrise"] .hero__scrim { opacity: 0.4; }

.hero__media[data-clip="night"] { --clip-scale: 1; }
  .hero__media[data-clip="fog"] { --clip-scale: 0.98; }
  .hero__media[data-clip="sunrise"] { --clip-scale: 1; }
  
  .hero__scrim {
    background: radial-gradient(
      92% 50% at 50% 44%,
      rgba(6, 5, 4, 0.74) 0%,
      rgba(6, 5, 4, 0.38) 52%,
      transparent 84%
    );
  }

  .wm { width: 84vw; }
  .wm path { stroke-width: 5; }
  .wm path.thin { stroke-width: 3.7; }
  .hero__cn { font-size: 11px; letter-spacing: 0.5em; text-indent: 0.5em; }
  .hero__sub { font-size: 12px; letter-spacing: 0.1em; }
  .hero__eyebrow { font-size: 9px; letter-spacing: 0.24em; }
  .hero__cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: clamp(34px, 4.4vw, 54px);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.35s var(--ease);
}

.hero__cta-line {
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.5));
  transition: height 0.5s var(--ease), background-color 0.4s var(--ease);
}

.hero__cta:hover { color: #fff; }
.hero__cta:hover .hero__cta-line {
  height: 46px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.9));
}

.hero__cta { opacity: 0; transform: translateY(8px); animation: rise 1.2s var(--ease-out) 1.92s forwards; }

.hero__foot { font-size: 9px; bottom: 22px; }
  .reg { display: none; }

  .statement { font-size: clamp(22px, 5.4vw, 31px); line-height: 1.56; }
  .about__cols { grid-template-columns: 1fr; gap: 36px; }
  .facts { grid-template-columns: 1fr; gap: 18px; }

  .plate + .plate { margin-top: 16px; }
  .plate__inner {
    min-height: 0;
    padding-block: 24px;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto;
    grid-template-areas: "top" "name" "desc" "proof" "spec" "foot";
  }
  .plate__main { display: contents; }
  .plate__name { grid-area: name; }
  .plate__desc { grid-area: desc; }
  .plate__main .spec { grid-area: spec; }
  .proof {
    grid-area: proof;
    justify-self: start;
    align-self: start;
    margin: 28px 0 0;
  }
  .proof--screen img { width: 100%; }
  .proof--screen picture { width: 100%; }
  .plate__foot { margin-top: 24px; }
  .plate__name { font-size: clamp(38px, 11vw, 56px); }
  .plate__desc { font-size: 13px; margin-top: 16px; }
  .spec { max-width: none; margin-left: 0; }
  .plate__foot { flex-direction: column; align-items: flex-start; gap: 8px; }

  .minor__list li {
    grid-template-columns: 44px minmax(0, 1fr) 50px;
    gap: 10px 16px;
    padding: 16px 0;
  }
  .minor__note { grid-column: 2 / -1; }
  .minor__year { grid-row: 1; grid-column: 3; }

  .now__list li {
    grid-template-columns: 1fr auto;
    gap: 8px 16px;
    padding: 16px 0;
  }
  .now__state { grid-column: 1 / -1; }
  .now__when { grid-column: 2; }

  .contact__grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .contact__mail { font-size: clamp(22px, 6.4vw, 32px); gap: 10px; }
  .foot__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 420px) {
  .hero__cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: clamp(34px, 4.4vw, 54px);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.35s var(--ease);
}

.hero__cta-line {
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.5));
  transition: height 0.5s var(--ease), background-color 0.4s var(--ease);
}

.hero__cta:hover { color: #fff; }
.hero__cta:hover .hero__cta-line {
  height: 46px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.9));
}

.hero__cta { opacity: 0; transform: translateY(8px); animation: rise 1.2s var(--ease-out) 1.92s forwards; }

.hero__foot { grid-template-columns: 1fr auto 1fr; }
}

/* 减少动态 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  [data-reveal] { opacity: 1; transform: none; }

  .hero__eyebrow,
  .hero__mark,
  .hero__sub,
  .hero__cta,
  .hero__foot,
  .hero__cn {
    opacity: 1;
    transform: none;
    clip-path: none;
  }

  .wm path {
    animation: none !important;
    stroke-dashoffset: 0 !important;
  }
  .wm__dot { animation: none !important; opacity: 1; transform: none; }

  .scroll__line { animation: none; opacity: 0.7; }
}

/* 亮画面上给导航图形一点分离 */
.nav svg,
.nav__burger span { filter: drop-shadow(0 1px 6px rgba(0, 0, 0, 0.55)); }

/* ================= 2026 改版：多页骨架 ================= */

/* ---- 首屏新增：定位行与入口 ---- */
.hero__lede {
  position: absolute;
  left: var(--pad);
  bottom: 62px;
  margin: 0;
  white-space: nowrap;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.62);
  text-shadow: 0 1px 16px rgba(6, 5, 4, 0.6);
  transition: color 0.85s var(--ease);
}

.hero[data-tone="light"] .hero__lede { color: rgba(19, 17, 16, 0.72); text-shadow: 0 1px 14px rgba(255, 255, 255, 0.4); }

.hero__enter {
  position: absolute;
  right: var(--pad);
  bottom: 78px;
  z-index: 4;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.9);
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.32);
  transition: color 0.85s var(--ease), border-color 0.85s var(--ease);
}

.hero__enter span { display: inline-block; transition: transform 0.35s var(--ease); }
.hero__enter:hover span { transform: translateX(4px); }
.hero[data-tone="light"] .hero__enter { color: rgba(19, 17, 16, 0.85); border-color: rgba(19, 17, 16, 0.3); }

/* ---- 首页区块 ---- */
.lp-inner { max-width: 1180px; margin: 0 auto; padding-inline: var(--pad); }

.lp-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(13, 13, 14, 0.42);
  display: flex;
  gap: 16px;
  align-items: baseline;
}
.lp-label span { color: rgba(13, 13, 14, 0.22); }

.lp-selected { background: var(--paper); color: var(--ink); padding: clamp(72px, 11vh, 130px) 0 clamp(64px, 9vh, 110px); }
.lp-do { background: var(--paper); color: var(--ink); padding: clamp(56px, 8vh, 96px) 0 clamp(72px, 10vh, 120px); }

.card {
  display: block;
  margin-top: clamp(40px, 6vw, 76px);
  padding-top: 26px;
  border-top: 1px solid rgba(13, 13, 14, 0.14);
}
.card__meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(13, 13, 14, 0.42);
}
.card__name {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(34px, 5.4vw, 76px);
  line-height: 1.02;
  margin-top: 18px;
  transition: opacity 0.3s var(--ease);
}
.card__line { max-width: 30em; margin-top: 14px; font-size: 14px; line-height: 1.9; color: rgba(13, 13, 14, 0.62); }
.card__img { margin-top: 30px; overflow: hidden; background: #0d0d0e; }
.card__img img { display: block; width: 100%; height: auto; }
.card__img--icon img { width: min(320px, 60%); margin: clamp(36px, 6vw, 64px) auto; }
.card__go {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(13, 13, 14, 0.55);
}
.card:hover .card__name { opacity: 0.6; }
.card:hover .card__go { color: var(--ink); }

.lp-more {
  display: inline-block;
  margin-top: clamp(40px, 6vw, 64px);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  border-bottom: 1px solid rgba(13, 13, 14, 0.3);
  padding-bottom: 6px;
}

.do-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 4vw, 64px); margin-top: clamp(36px, 5vw, 56px); }
.do__no { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; color: rgba(13, 13, 14, 0.35); }
.do h3 { font-family: var(--display-cn); font-weight: 400; font-size: clamp(19px, 1.7vw, 24px); margin-top: 14px; }
.do ul { margin-top: 16px; }
.do li { font-size: 13px; line-height: 2.2; color: rgba(13, 13, 14, 0.6); }
.do li::before { content: "· "; color: rgba(13, 13, 14, 0.35); }

.lp-say { background: #0d0d0e; color: #f7f2e9; padding: clamp(84px, 14vh, 160px) 0; }
.statement--light { font-family: var(--display-cn); font-weight: 400; font-size: clamp(30px, 5vw, 64px); line-height: 1.36; letter-spacing: 0.02em; }
.lp-say__text { max-width: 32em; margin-top: clamp(24px, 3vw, 36px); font-size: 15px; line-height: 1.95; color: rgba(247, 242, 233, 0.55); }
.lp-say__link {
  display: inline-block; margin-top: 32px; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.2em; color: rgba(247, 242, 233, 0.8); border-bottom: 1px solid rgba(247, 242, 233, 0.3); padding-bottom: 6px;
}

.lp-cta { background: #0d0d0e; color: #f7f2e9; padding: clamp(64px, 10vh, 120px) 0 clamp(72px, 11vh, 130px); border-top: 1px solid rgba(247, 242, 233, 0.12); }
.lp-cta .lp-label { color: rgba(247, 242, 233, 0.4); }
.lp-cta .lp-label span { color: rgba(247, 242, 233, 0.22); }
.lp-cta__title { font-family: var(--display-cn); font-weight: 400; font-size: clamp(28px, 4.2vw, 52px); line-height: 1.4; margin-top: 26px; }
.lp-cta__btn {
  display: inline-block; margin-top: clamp(28px, 4vw, 44px); padding: 17px 28px;
  border: 1px solid rgba(247, 242, 233, 0.28); font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.2em; color: #f7f2e9; transition: background-color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.lp-cta__btn:hover { background: rgba(247, 242, 233, 0.08); border-color: rgba(247, 242, 233, 0.5); }
.lp-cta__mail { margin-top: 20px; font-size: 12px; letter-spacing: 0.06em; color: rgba(247, 242, 233, 0.4); }
.lp-cta__mail a { color: rgba(247, 242, 233, 0.75); border-bottom: 1px solid rgba(247, 242, 233, 0.25); }

/* ---- 内页骨架 ---- */
.page { background: var(--paper); color: var(--ink); }
.page__inner { max-width: 1180px; margin: 0 auto; padding: calc(88px + 11vh) var(--pad) clamp(80px, 12vh, 150px); }
.page__eyebrow {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.28em; text-transform: uppercase;
  color: rgba(13, 13, 14, 0.45); display: flex; gap: 16px;
}
.page__eyebrow span:last-child { color: rgba(13, 13, 14, 0.22); }
.page__title {
  font-family: var(--display-cn); font-weight: 400; font-size: clamp(34px, 5.4vw, 72px);
  line-height: 1.15; letter-spacing: 0.01em; margin-top: 28px;
}
.page__lede { max-width: 30em; margin-top: 24px; font-size: 15px; line-height: 1.95; color: rgba(13, 13, 14, 0.62); }
.page__rule { height: 1px; background: rgba(13, 13, 14, 0.12); margin: clamp(48px, 7vw, 88px) 0; }
.page__h2 {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.26em; font-weight: 400;
  color: rgba(13, 13, 14, 0.45); margin-bottom: 26px;
}
.page__cta {
  display: inline-block; margin-top: clamp(36px, 5vw, 56px); font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.22em; border-bottom: 1px solid rgba(13, 13, 14, 0.35); padding-bottom: 6px;
}
.page__cta-row { display: flex; gap: 32px; flex-wrap: wrap; }
.page--404 { background: #0d0d0e; color: #f7f2e9; }
.page--404 .page__eyebrow { color: rgba(247, 242, 233, 0.45); }
.page--404 .page__eyebrow span:last-child { color: rgba(247, 242, 233, 0.22); }
.page--404 .page__lede { color: rgba(247, 242, 233, 0.55); }
.page--404 .page__cta { color: rgba(247, 242, 233, 0.85); border-color: rgba(247, 242, 233, 0.3); }

.prose p { max-width: 34em; font-size: 15px; line-height: 2; color: rgba(13, 13, 14, 0.75); }
.prose p + p { margin-top: 18px; }

/* 规则四条 */
.rules--dark li { display: grid; grid-template-columns: 160px 1fr; gap: 24px; padding: 20px 0; border-top: 1px solid rgba(13, 13, 14, 0.1); }
.rules--dark li:first-child { border-top: 0; padding-top: 0; }
.rules--dark b { font-weight: 400; font-family: var(--display-cn); font-size: 17px; }
.rules--dark span { font-size: 13.5px; line-height: 1.9; color: rgba(13, 13, 14, 0.6); }

/* 现在 */
.now-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 4vw, 56px); }
.now-grid dt { font-family: var(--mono); font-size: 9px; letter-spacing: 0.2em; color: rgba(13, 13, 14, 0.35); }
.now-grid dd { margin-top: 10px; font-size: 14px; line-height: 1.85; color: rgba(13, 13, 14, 0.72); }

/* ---- 作品索引表 ---- */
.index { width: 100%; border-collapse: collapse; margin-top: clamp(36px, 5vw, 56px); }
.index th {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase;
  font-weight: 400; color: rgba(13, 13, 14, 0.32); text-align: left; padding: 0 18px 16px 0;
  border-bottom: 1px solid rgba(13, 13, 14, 0.14);
}
.index td { padding: 26px 18px 26px 0; border-bottom: 1px solid rgba(13, 13, 14, 0.1); vertical-align: baseline; }
.index__row { cursor: pointer; transition: background-color 0.25s var(--ease); }
.index__row:hover { background: rgba(13, 13, 14, 0.03); }
.index__row--quiet { cursor: default; color: rgba(13, 13, 14, 0.35); }
.index__year { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: rgba(13, 13, 14, 0.45); white-space: nowrap; }
.index__name { font-family: var(--display); font-size: clamp(20px, 2.2vw, 30px); }
.index__meta { font-size: 12px; color: rgba(13, 13, 14, 0.5); }
.index__result { font-size: 13px; color: rgba(13, 13, 14, 0.72); }
.index__arrow { font-family: var(--mono); color: rgba(13, 13, 14, 0.3); text-align: right; }

/* ---- 案例页 ---- */
.case__head { background: #0d0d0e; color: #f7f2e9; padding: calc(88px + 13vh) var(--pad) clamp(56px, 9vh, 110px); position: relative; overflow: hidden; }
.case__head-inner { max-width: 1180px; margin: 0 auto; position: relative; z-index: 2; }
.case__kicker { font-family: var(--mono); font-size: 10px; letter-spacing: 0.26em; text-transform: uppercase; color: rgba(247, 242, 233, 0.45); }
.case__title { font-family: var(--display); font-weight: 400; font-size: clamp(40px, 7vw, 96px); line-height: 1.02; margin-top: 22px; }
.case__sub { font-family: var(--display-cn); font-size: clamp(16px, 1.6vw, 20px); margin-top: 18px; color: rgba(247, 242, 233, 0.62); }
.case__meta {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px;
  margin-top: clamp(40px, 6vw, 64px); padding-top: 20px; border-top: 1px solid rgba(247, 242, 233, 0.14);
}
.case__meta dt { font-family: var(--mono); font-size: 9px; letter-spacing: 0.2em; color: rgba(247, 242, 233, 0.38); }
.case__meta dd { margin-top: 8px; font-size: 13px; color: rgba(247, 242, 233, 0.82); }
.case__body { background: var(--paper); color: var(--ink); padding: clamp(56px, 9vh, 110px) var(--pad) 0; }
.case__inner { max-width: 720px; margin: 0 auto; }
.case__lead { font-family: var(--display-cn); font-size: clamp(21px, 2.5vw, 31px); line-height: 1.65; }
.case__section { margin-top: clamp(44px, 6.5vw, 84px); }
.case__section h2 { font-family: var(--mono); font-size: 10px; letter-spacing: 0.26em; font-weight: 400; color: rgba(13, 13, 14, 0.42); margin-bottom: 18px; }
.case__section p { max-width: 34em; font-size: 15px; line-height: 2; color: rgba(13, 13, 14, 0.78); }
.case__section p + p { margin-top: 16px; }
.case__section h3 { font-family: var(--display-cn); font-weight: 400; font-size: 18px; margin-top: 28px; }
.case__section h3 + p { margin-top: 10px; }
.case__list { margin-top: 4px; }
.case__list li { max-width: 34em; padding-left: 18px; position: relative; font-size: 15px; line-height: 2; color: rgba(13, 13, 14, 0.78); }
.case__list li::before { content: "—"; position: absolute; left: 0; color: rgba(13, 13, 14, 0.3); }
.case__figure { margin: clamp(40px, 6vw, 72px) 0; }
.case__figure img { display: block; width: 100%; height: auto; background: #0d0d0e; }
.case__figure--icon img { width: min(360px, 70%); margin: 0 auto; }
.case__figure figcaption { margin-top: 14px; font-family: var(--mono); font-size: 9px; letter-spacing: 0.16em; color: rgba(13, 13, 14, 0.38); text-align: center; }
.result { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.result b { display: block; font-family: var(--display); font-weight: 400; font-size: clamp(30px, 4vw, 54px); line-height: 1; }
.result span { display: block; margin-top: 14px; font-family: var(--mono); font-size: 9px; letter-spacing: 0.18em; color: rgba(13, 13, 14, 0.42); }
.case__stack { display: flex; flex-wrap: wrap; gap: 10px; }
.case__stack span { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; padding: 8px 14px; border: 1px solid rgba(13, 13, 14, 0.16); border-radius: 999px; color: rgba(13, 13, 14, 0.7); }
.case__next {
  display: flex; justify-content: space-between; align-items: baseline; gap: 24px;
  margin-top: clamp(56px, 8vw, 96px); padding: 32px 0 64px; border-top: 1px solid rgba(13, 13, 14, 0.12);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; color: rgba(13, 13, 14, 0.45);
}
.case__next strong { font-family: var(--display); font-size: clamp(20px, 2.4vw, 28px); font-weight: 400; color: var(--ink); letter-spacing: 0; }

.glyph { position: absolute; right: var(--pad); bottom: -3vh; font-size: clamp(60px, 12vw, 160px); letter-spacing: 0.12em; color: rgba(247, 242, 233, 0.08); z-index: 1; }

/* ---- 合作页 ---- */
.svc-table { width: 100%; border-collapse: collapse; }
.svc-table th { font-family: var(--mono); font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase; font-weight: 400; color: rgba(13, 13, 14, 0.32); text-align: left; padding: 0 18px 16px 0; border-bottom: 1px solid rgba(13, 13, 14, 0.14); }
.svc-table td { padding: 26px 18px 26px 0; border-bottom: 1px solid rgba(13, 13, 14, 0.1); font-size: 14px; color: rgba(13, 13, 14, 0.68); vertical-align: baseline; }
.svc-table td b { font-family: var(--display-cn); font-weight: 400; font-size: 20px; color: var(--ink); }

.flow { counter-reset: step; }
.flow li { counter-increment: step; display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 18px 0; border-top: 1px solid rgba(13, 13, 14, 0.1); }
.flow li:first-child { border-top: 0; }
.flow li::before { content: counter(step, decimal-leading-zero); font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: rgba(13, 13, 14, 0.3); padding-top: 3px; }
.flow b { font-weight: 400; font-family: var(--display-cn); font-size: 17px; display: block; }
.flow span { display: block; margin-top: 6px; font-size: 13.5px; line-height: 1.9; color: rgba(13, 13, 14, 0.6); }

.nope li { font-size: 14px; line-height: 2.1; color: rgba(13, 13, 14, 0.55); padding-left: 20px; position: relative; }
.nope li::before { content: "×"; position: absolute; left: 0; color: rgba(184, 70, 31, 0.6); }

.faq details { border-top: 1px solid rgba(13, 13, 14, 0.1); padding: 18px 0; }
.faq summary { cursor: pointer; font-size: 15px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: rgba(13, 13, 14, 0.35); }
.faq details[open] summary::after { content: "−"; }
.faq p { margin-top: 12px; font-size: 13.5px; line-height: 1.95; color: rgba(13, 13, 14, 0.6); max-width: 36em; }

/* ---- 联系页 ---- */
.page__inner--split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 100px); align-items: start; }
.contact-info { margin-top: clamp(36px, 5vw, 56px); display: grid; gap: 18px; }
.contact-info dt { font-family: var(--mono); font-size: 9px; letter-spacing: 0.2em; color: rgba(13, 13, 14, 0.35); }
.contact-info dd { margin-top: 6px; font-size: 14px; }
.contact-info a { border-bottom: 1px solid rgba(13, 13, 14, 0.2); }

.form { display: grid; gap: 26px; padding-top: 6px; }
.field { display: block; }
.field span { display: block; font-family: var(--mono); font-size: 9px; letter-spacing: 0.2em; color: rgba(13, 13, 14, 0.42); margin-bottom: 10px; }
.field input, .field select, .field textarea {
  width: 100%; border: 0; border-bottom: 1px solid rgba(13, 13, 14, 0.22); background: transparent;
  padding: 10px 0; font-family: var(--sans); font-size: 15px; color: var(--ink); border-radius: 0;
  transition: border-color 0.25s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); }
.field textarea { resize: vertical; line-height: 1.7; }
.btn {
  justify-self: start; margin-top: 6px; padding: 15px 26px; border: 1px solid rgba(13, 13, 14, 0.35);
  background: transparent; font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; color: var(--ink);
  cursor: pointer; transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}
.btn:hover { background: var(--ink); color: var(--paper); }
.form__hint { font-size: 11px; color: rgba(13, 13, 14, 0.4); margin-top: -8px; }

/* ---- 全站页脚 ---- */
.site-foot { background: #0d0d0e; color: rgba(247, 242, 233, 0.55); padding: clamp(56px, 9vh, 96px) var(--pad) 40px; }
.site-foot__inner { max-width: 1180px; margin: 0 auto; display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; }
.site-foot__mark { font-family: var(--display); font-size: 18px; letter-spacing: 0.34em; color: #f7f2e9; }
.site-foot__left p { margin-top: 12px; font-size: 11px; letter-spacing: 0.12em; color: rgba(247, 242, 233, 0.35); }
.site-foot__right { display: flex; gap: 28px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; flex-wrap: wrap; }
.site-foot__right a:hover { color: #f7f2e9; }

/* ---- 小屏 ---- */
@media (max-width: 860px) {
  .do-grid, .now-grid { grid-template-columns: 1fr; gap: 30px; }
  .page__inner { padding-top: calc(72px + 9vh); }
  .page__inner--split { grid-template-columns: 1fr; }
  .case__meta { grid-template-columns: 1fr 1fr; row-gap: 20px; }
  .result { grid-template-columns: 1fr; gap: 22px; }
  .rules--dark li { grid-template-columns: 1fr; gap: 8px; }
  .index th:nth-child(3), .index td:nth-child(3),
  .index th:nth-child(4), .index td:nth-child(4) { display: none; }
  .hero__enter { bottom: 64px; }
  .hero__lede { position: absolute; left: var(--pad); bottom: 58px; white-space: normal; max-width: 46vw; }
  .site-foot__inner { flex-direction: column; align-items: flex-start; gap: 24px; }
  .svc-table th:nth-child(2), .svc-table td:nth-child(2) { display: none; }
}

.svc-note { margin-top: 18px; font-size: 12px; letter-spacing: 0.04em; color: rgba(13, 13, 14, 0.45); }

.index__sub { display: none; }

@media (max-width: 860px) {
  .index__sub { display: block; margin-top: 8px; font-family: var(--sans); font-size: 12px; color: rgba(13, 13, 14, 0.5); }
  .hero__lede { bottom: 112px; max-width: 100%; font-size: 11px; }
}