/* ==========================================================================
   sheet/page.css — 页面层：镜面试色台首页、内页页头、长文、404
   ========================================================================== */

/* ---------- 首页：试色台 ---------- */
.mc-counter {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  align-items: center;
  gap: clamp(26px, 4.4vw, 62px);
  padding-block: clamp(38px, 5.6vw, 86px);
}

.mc-counter__copy {
  min-width: 0;
}

.mc-counter__title {
  margin-top: 16px;
  font-size: clamp(31px, 5.2vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.012em;
}

.mc-counter__title em {
  position: relative;
  color: var(--mc-tint);
  font-style: italic;
}

.mc-counter__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 3px;
  border-radius: 3px;
  background: currentColor;
  opacity: 0.28;
}

.mc-counter__act {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: clamp(24px, 3vw, 34px);
}

.mc-counter__foot {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 46px);
  margin-top: clamp(26px, 3.6vw, 44px);
}

.mc-counter__foot .mc-stat {
  flex: 1 1 110px;
}

.mc-counter__stage {
  position: relative;
}

/* 镜面卡：拱形镜框 */
.mc-mirror {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 3.4vw, 44px);
  border: 1px solid var(--mc-line);
  border-radius: 200px 200px 4px 4px;
  background: radial-gradient(120% 100% at 76% 4%, #fff 0%, rgba(255, 253, 250, 0) 54%),
    linear-gradient(168deg, var(--mc-paper-2) 0%, var(--mc-white) 44%, var(--mc-paper-3) 100%);
  box-shadow: var(--mc-shadow);
}

.mc-mirror::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(255, 253, 250, 0.72);
  border-radius: inherit;
  pointer-events: none;
}

.mc-mirror__glow {
  position: absolute;
  top: -60px;
  right: -70px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--mc-tint) 0%, rgba(255, 253, 250, 0) 68%);
  opacity: 0.32;
  filter: blur(12px);
  transition: background var(--mc-t) var(--mc-ease);
}

.mc-mirror__label {
  position: relative;
  font-family: var(--mc-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mc-ink-3);
}

.mc-mirror__shade {
  position: relative;
  margin-top: 12px;
  font-family: var(--mc-serif);
  font-size: clamp(27px, 3.4vw, 40px);
  line-height: 1.2;
}

.mc-mirror__meta {
  position: relative;
  margin-top: 6px;
  font-family: var(--mc-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--mc-tint);
}

.mc-mirror__ledger {
  position: relative;
  margin-top: 24px;
  border-top-color: var(--mc-line);
}

/* 试色点 */
.mc-tint {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 22px;
}

.mc-tint__dot {
  position: relative;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(29, 21, 24, 0.18);
  border-radius: 50%;
  background: var(--mc-dot, var(--mc-tint));
  transition: transform var(--mc-t) var(--mc-ease), box-shadow var(--mc-t) var(--mc-ease);
}

.mc-tint__dot:hover {
  transform: translateY(-2px) scale(1.05);
}

.mc-tint__dot[aria-pressed="true"] {
  box-shadow: 0 0 0 2px var(--mc-white), 0 0 0 3px var(--mc-ink);
}

.mc-tint__name {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* 色阶条 */
.mc-shade {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 24px;
}

.mc-shade__chip {
  flex: 1 1 34px;
  height: 9px;
  border-radius: var(--mc-pill);
  background: var(--mc-chip, var(--mc-tint));
  opacity: 0.88;
}

/* ---------- 内页页头 ---------- */
.mc-hero {
  padding-block: clamp(30px, 4.6vw, 66px);
  border-bottom: 1px solid var(--mc-line);
  background: linear-gradient(180deg, var(--mc-paper-2) 0%, var(--mc-paper) 92%);
}

.mc-hero__inner {
  display: grid;
  gap: 18px;
}

.mc-hero__title {
  font-size: clamp(29px, 4.4vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.008em;
}

.mc-hero__sub {
  max-width: 68ch;
  font-size: clamp(14px, 1.5vw, 16.5px);
  line-height: 1.9;
  color: var(--mc-ink-2);
}

.mc-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

/* 面包屑 */
.mc-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  font-family: var(--mc-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mc-ink-3);
}

.mc-crumb__item {
  transition: color var(--mc-t) var(--mc-ease);
}

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

.mc-crumb__item[aria-current="page"] {
  color: var(--mc-tint);
}

.mc-crumb__sep {
  color: var(--mc-line);
}

/* ---------- 大标语 ---------- */
.mc-slab {
  max-width: 26em;
  font-family: var(--mc-serif);
  font-size: clamp(21px, 3.1vw, 36px);
  line-height: 1.52;
}

.mc-slab__line {
  display: block;
}

.mc-slab em {
  color: var(--mc-tint);
  font-style: italic;
}

/* ---------- 长文 ---------- */
.mc-article {
  max-width: 764px;
  margin-inline: auto;
  padding-block: clamp(34px, 4.8vw, 68px);
}

.mc-article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-family: var(--mc-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mc-ink-3);
}

.mc-article__lead {
  margin-top: 24px;
  padding-left: 20px;
  border-left: 2px solid var(--mc-tint);
  font-family: var(--mc-serif);
  font-size: clamp(16.5px, 1.9vw, 20px);
  line-height: 1.82;
  color: var(--mc-ink-2);
}

.mc-article__body {
  margin-top: 32px;
  font-size: 15px;
  line-height: 1.96;
  color: var(--mc-ink-2);
}

.mc-article__body h2 {
  margin: 42px 0 13px;
  font-size: clamp(20px, 2.5vw, 27px);
  color: var(--mc-ink);
}

.mc-article__body h3 {
  margin: 26px 0 9px;
  font-size: 17.5px;
  color: var(--mc-ink);
}

.mc-article__body p + p {
  margin-top: 15px;
}

.mc-article__body ul {
  display: grid;
  gap: 8px;
  margin: 15px 0;
}

.mc-article__body li {
  position: relative;
  padding-left: 20px;
}

.mc-article__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--mc-tint);
}

.mc-article__body strong {
  color: var(--mc-ink);
}

.mc-article__body a {
  color: var(--mc-tint-deep);
  border-bottom: 1px solid var(--mc-line);
}

.mc-article__foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-top: 42px;
  padding-top: 20px;
  border-top: 1px solid var(--mc-line-soft);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--mc-ink-3);
}

/* ---------- 404 ---------- */
.mc-void {
  display: grid;
  place-items: center;
  min-height: 62vh;
  padding-block: clamp(46px, 7vw, 104px);
  text-align: center;
}

.mc-void__code {
  font-family: var(--mc-serif);
  font-size: clamp(84px, 17vw, 190px);
  line-height: 0.92;
  letter-spacing: 0.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--mc-line);
}

.mc-void__title {
  margin-top: -6px;
  font-size: clamp(23px, 3.2vw, 34px);
}

.mc-void__text {
  max-width: 50ch;
  margin: 14px auto 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mc-ink-2);
}

.mc-void__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .mc-counter {
    grid-template-columns: 1fr;
  }

  .mc-counter__stage {
    order: -1;
    max-width: 520px;
  }

  .mc-mirror {
    border-radius: 150px 150px 4px 4px;
  }
}

@media (max-width: 640px) {
  .mc-mirror {
    border-radius: 118px 118px 4px 4px;
    padding: 24px 22px 28px;
  }

  .mc-tint__dot {
    width: 32px;
    height: 32px;
  }

  .mc-counter__foot {
    gap: 14px;
  }
}