.page-contact {
  --contact-y: clamp(52px, 7vw, 96px);
  --contact-gap: clamp(28px, 4vw, 52px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(36px, 5vw, 64px) clamp(48px, 7vw, 92px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(140, 242, 220, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 242, 220, .05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 90% at 76% 26%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 76% 26%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-contact .contact-hero__body {
  min-width: 0;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  max-width: 16ch;
  word-break: break-word;
}

.page-contact .contact-hero__body .lead {
  margin: 22px 0 0;
  max-width: 48ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .contact-hero__media .media__img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- 联络渠道 ---------- */

.page-contact .contact-channels {
  padding-block: var(--contact-y);
}

.page-contact .contact-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .contact-cell {
  background: var(--ink-900);
  padding: clamp(22px, 2.6vw, 34px);
  display: grid;
  gap: 10px;
  align-content: start;
  min-width: 0;
  transition: background-color var(--dur) var(--ease);
}

.page-contact .contact-cell:hover,
.page-contact .contact-cell:focus-within {
  background: var(--ink-700);
}

.page-contact .contact-cell__k {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mint);
}

.page-contact .contact-cell__k::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  min-width: 20px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

.page-contact .contact-cell__label {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--haze);
}

.page-contact .contact-cell__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color var(--dur) var(--ease);
}

.page-contact a.contact-cell__value:hover,
.page-contact a.contact-cell__value:focus-visible {
  color: var(--mint);
}

.page-contact .contact-cell__note {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

/* ---------- 可以问什么 ---------- */

.page-contact .contact-topics {
  padding-block: var(--contact-y);
}

.page-contact .topic-list {
  list-style: none;
  counter-reset: topic;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .topic-item {
  background: var(--ink-800);
  padding: clamp(22px, 3vw, 32px);
  display: grid;
  gap: 8px;
  align-content: start;
  min-width: 0;
}

.page-contact .topic-item__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-contact .topic-item .h-sub {
  margin: 0;
}

.page-contact .topic-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--haze);
}

/* ---------- 留言 ---------- */

.page-contact .contact-message {
  padding-block: var(--contact-y);
}

.page-contact .contact-message__panel {
  margin: 30px 0 0;
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
  border: 1px solid var(--line);
  border-left: 2px solid var(--mint);
  border-radius: var(--r-xl);
  padding: clamp(22px, 4vw, 44px);
}

.page-contact .field-grid {
  display: grid;
  gap: 18px;
}

.page-contact .field {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-contact .field__label {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--haze);
}

.page-contact .field__input,
.page-contact .field__select,
.page-contact .field__textarea {
  width: 100%;
  box-sizing: border-box;
  background: var(--ink-900);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  padding: 14px 16px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .field__textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.7;
}

.page-contact .field__select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 44px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%238CF2DC' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.page-contact .field__input::placeholder,
.page-contact .field__textarea::placeholder {
  color: rgba(157, 182, 174, .65);
}

.page-contact .field__input:focus,
.page-contact .field__select:focus,
.page-contact .field__textarea:focus {
  outline: none;
  border-color: var(--mint);
  box-shadow: 0 0 0 3px var(--mint-wash);
}

.page-contact .message-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .message-actions .muted {
  margin: 0;
  max-width: 42ch;
}

/* ---------- 回复时段 ---------- */

.page-contact .contact-hours {
  padding-block: var(--contact-y);
}

.page-contact .contact-hours__grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: center;
}

.page-contact .contact-hours__body {
  min-width: 0;
}

.page-contact .contact-hours__body .h-section {
  margin: 12px 0 0;
}

.page-contact .contact-hours__body .lead {
  margin: 18px 0 0;
  max-width: 46ch;
}

.page-contact .hours-range {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
}

.page-contact .hours-range__cap {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--amber);
}

.page-contact .hours-range__line {
  display: block;
  height: 8px;
  border-radius: var(--pill);
  background: var(--ink-700);
  overflow: hidden;
}

.page-contact .hours-range__fill {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--mint), var(--mint-soft));
}

.page-contact .hours-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .hours-list__item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .hours-list__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .hours-list__time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--mint);
}

.page-contact .hours-list__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--haze);
}

.page-contact .contact-hours__caveat {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--mint-wash);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .contact-hours__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .contact-hours__media .media__img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- 常见场景 ---------- */

.page-contact .contact-scenes {
  padding-block: var(--contact-y);
}

.page-contact .scene-grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  margin-top: 30px;
}

.page-contact .scene {
  position: relative;
  padding: 24px 22px 26px;
  border-radius: var(--r-lg);
  background: var(--ink-800);
  border: 1px solid var(--line);
  display: grid;
  gap: 10px;
  align-content: start;
  min-width: 0;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .scene::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  width: 34px;
  height: 2px;
  border-radius: var(--pill);
  background: var(--mint);
}

.page-contact .scene:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-contact .scene__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--haze);
}

.page-contact .scene .h-sub {
  margin: 0;
  color: var(--paper);
}

.page-contact .scene p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--haze);
}

/* ---------- 底部信用带 ---------- */

.page-contact .contact-credit {
  margin-top: var(--contact-y);
  border-top: 1px solid var(--line);
  padding-block: 26px;
}

.page-contact .contact-credit__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
}

.page-contact .contact-credit__brand {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-contact .contact-credit__icp {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--haze);
}

/* ---------- 断点 ---------- */

@media (min-width: 560px) {
  .page-contact .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-contact .field-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .field--full {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-contact .topic-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .contact-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hours__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .scene,
  .page-contact .contact-cell {
    transition: none;
  }

  .page-contact .scene:hover {
    transform: none;
  }
}