.page-contact {
  --pc-max: 1180px;
  --pc-pad: clamp(16px, 4vw, 44px);
  display: block;
  color: var(--ice);
  background: var(--arena);
  font-family: var(--font-body);
}

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

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--accent-text);
  text-transform: uppercase;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  max-width: var(--pc-max);
  margin: 0 auto;
  padding: 20px var(--pc-pad) 0;
}

.page-contact .contact-crumb .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-contact .contact-crumb .breadcrumb__link {
  color: var(--fog);
  text-decoration: none;
  transition: color 0.16s var(--ease);
}

.page-contact .contact-crumb .breadcrumb__link:hover {
  color: var(--accent);
}

.page-contact .contact-crumb .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 10px;
  color: var(--line);
}

.page-contact .contact-crumb .breadcrumb__current {
  color: var(--ice);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 54px) var(--pc-pad) clamp(42px, 6vw, 78px);
  background:
    radial-gradient(115% 100% at 92% 0%, rgba(200, 255, 61, 0.15) 0%, rgba(200, 255, 61, 0) 58%),
    linear-gradient(180deg, #0C211B 0%, #06120F 72%);
}

.page-contact .contact-hero__media {
  position: absolute;
  top: 0;
  right: 0;
  width: min(64%, 740px);
  height: 100%;
  z-index: 0;
  opacity: 0.22;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(250deg, #000 8%, transparent 76%);
  mask-image: linear-gradient(250deg, #000 8%, transparent 76%);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.3) contrast(1.12);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 50px);
  max-width: var(--pc-max);
  margin: 0 auto;
}

.page-contact .contact-hero__lead {
  position: relative;
  max-width: 620px;
  padding-left: 34px;
}

.page-contact .contact-hero__vertical {
  position: absolute;
  top: 2px;
  left: 0;
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.42em;
  color: var(--accent);
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 7vw, 86px);
  line-height: 1.03;
  letter-spacing: 0.025em;
  color: var(--ice);
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--accent);
}

.page-contact .contact-hero__intro {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 渠道卡 ---------- */
.page-contact .contact-hero__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-content: start;
}

.page-contact .channel-card {
  position: relative;
  padding: 30px 20px 20px;
  background: linear-gradient(160deg, rgba(20, 49, 40, 0.92) 0%, rgba(12, 33, 27, 0.94) 100%);
  border: 1px solid var(--line);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.26s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: #3D5A4F;
  transform: translateY(-3px);
}

.page-contact .channel-card:hover::after,
.page-contact .channel-card:focus-within::after {
  transform: scaleX(1);
}

.page-contact .channel-card__tag {
  position: absolute;
  top: -1px;
  left: -1px;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fog);
  background: var(--board);
  border: 1px solid var(--line);
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .channel-card:hover .channel-card__tag,
.page-contact .channel-card:focus-within .channel-card__tag {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-contact .channel-card__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .channel-card__value {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.35);
  word-break: break-all;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-contact .channel-card__value:hover {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-contact .channel-card__value--plain {
  border-bottom: 0;
  cursor: default;
}

.page-contact .channel-card__value--plain:hover {
  color: var(--accent);
}

.page-contact .channel-card__meta {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.05em;
  color: var(--fog);
}

/* ---------- 表单区 ---------- */
.page-contact .contact-sec-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-contact .contact-sec-lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--fog);
}

.page-contact .contact-form-sec {
  padding: clamp(42px, 6vw, 78px) var(--pc-pad);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, #06120F 0%, #0C211B 100%);
}

.page-contact .contact-form-sec__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  max-width: var(--pc-max);
  margin: 0 auto;
}

.page-contact .contact-form {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.page-contact .contact-form__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-contact .contact-field {
  display: block;
  min-width: 0;
}

.page-contact .contact-field__label {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ice);
}

.page-contact .contact-field__hint {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-contact .contact-field__input {
  display: block;
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ice);
  background: var(--pitch);
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--line);
  border-radius: 0;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
  -webkit-appearance: none;
  appearance: none;
}

.page-contact .contact-field__input::placeholder {
  color: #6F857C;
}

.page-contact .contact-field__input:hover {
  border-color: #3D5A4F;
}

.page-contact .contact-field__input:focus {
  outline: none;
  background: #0A1C16;
  border-color: var(--line);
  border-bottom-color: var(--cyan);
  box-shadow: 0 1px 0 0 var(--cyan);
}

.page-contact .contact-field__input:invalid:not(:placeholder-shown) {
  border-bottom-color: var(--alert);
}

.page-contact .contact-field__input--area {
  min-height: 150px;
  resize: vertical;
}

.page-contact .contact-group {
  margin: 0;
  padding: 0;
  border: 0;
}

.page-contact .contact-group legend {
  padding: 0;
}

.page-contact .contact-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.page-contact .contact-chips .chip {
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--fog);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-contact .contact-chips .chip:hover {
  color: var(--ice);
  border-color: #3D5A4F;
}

.page-contact .contact-chips .chip[aria-pressed="true"] {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
}

.page-contact .contact-chips .chip:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .contact-form__submit {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 侧栏 ---------- */
.page-contact .contact-form-sec__side {
  display: grid;
  align-content: start;
  gap: 26px;
}

.page-contact .contact-hours__list {
  display: grid;
  gap: 16px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hours__item {
  position: relative;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  transition: border-color 0.2s var(--ease);
}

.page-contact .contact-hours__item::before {
  content: "";
  position: absolute;
  top: 7px;
  left: -3.5px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-contact .contact-hours__item:hover {
  border-left-color: var(--cyan);
}

.page-contact .contact-hours__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--accent-text);
}

.page-contact .contact-hours__desc {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--fog);
}

.page-contact .contact-addr {
  padding: 20px 18px;
  background: var(--pitch);
  border: 1px solid var(--line);
}

.page-contact .contact-addr__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ice);
}

.page-contact .contact-addr__meta {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.page-contact .contact-more {
  display: grid;
  gap: 0;
}

.page-contact .contact-more__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  font-size: 14px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-contact .contact-more__link::after {
  content: "→";
  color: var(--accent);
}

.page-contact .contact-more__link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- 纠错 ---------- */
.page-contact .contact-fix {
  padding: clamp(42px, 6vw, 78px) var(--pc-pad);
  border-top: 1px solid var(--line);
  background-image:
    linear-gradient(180deg, rgba(12, 33, 27, 0.94) 0%, rgba(6, 18, 15, 0.96) 100%),
    repeating-linear-gradient(90deg, rgba(42, 66, 58, 0.5) 0 1px, transparent 1px 110px);
}

.page-contact .contact-fix__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: clamp(28px, 4vw, 54px);
  max-width: var(--pc-max);
  margin: 0 auto;
}

.page-contact .contact-fix__list {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-fix__list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--fog);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-fix__list .mono {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .contact-fix__btn {
  margin-top: 24px;
}

.page-contact .contact-fix__media {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 9 / 7;
  margin: 0;
  border: 1px solid var(--line);
}

.page-contact .contact-fix__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.page-contact .contact-fix__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(205deg, rgba(200, 255, 61, 0.16) 0%, rgba(200, 255, 61, 0) 58%);
  pointer-events: none;
}

/* ---------- 合作 ---------- */
.page-contact .contact-coop {
  padding: clamp(42px, 6vw, 78px) var(--pc-pad);
  border-top: 1px solid var(--line);
  background: var(--pitch);
}

.page-contact .contact-coop__inner {
  max-width: var(--pc-max);
  margin: 0 auto;
}

.page-contact .contact-coop__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .coop-item {
  padding: 24px 20px 26px;
  background: var(--arena);
  transition: background 0.2s var(--ease);
}

.page-contact .coop-item:hover {
  background: var(--board);
}

.page-contact .coop-item__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--orange);
}

.page-contact .coop-item h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-contact .coop-item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--fog);
}

.page-contact .contact-coop__mail {
  margin: 26px 0 0;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
  border-left: 2px solid var(--orange);
}

.page-contact .contact-coop__mail a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.35);
  word-break: break-all;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-contact .contact-coop__mail a:hover {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-close {
  padding: clamp(42px, 6vw, 74px) var(--pc-pad);
  border-top: 1px solid var(--line);
  border-bottom: 2px solid var(--orange);
  background:
    radial-gradient(90% 140% at 6% 100%, rgba(79, 216, 196, 0.12) 0%, rgba(79, 216, 196, 0) 62%),
    linear-gradient(120deg, #06120F 0%, #0C211B 62%, rgba(200, 255, 61, 0.06) 100%);
}

.page-contact .contact-close__inner {
  max-width: var(--pc-max);
  margin: 0 auto;
}

.page-contact .contact-close__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-contact .contact-close__text {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--fog);
}

.page-contact .contact-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-form__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .page-contact .contact-coop__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-contact .contact-hero__cards {
    padding-top: 6px;
  }

  .page-contact .channel-card:nth-child(1) {
    margin-right: 46px;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-left: 24px;
    margin-right: 22px;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-left: 48px;
  }

  .page-contact .contact-form-sec__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .contact-form-sec__side {
    padding-left: clamp(20px, 3vw, 36px);
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__title {
    letter-spacing: 0.03em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card::after,
  .page-contact .channel-card__tag,
  .page-contact .contact-hours__item,
  .page-contact .contact-more__link {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}
<<<END>>>