.page-contact {
  background: var(--ink-900);
  color: var(--text-050);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(104px, 15vw, 172px) 0 clamp(48px, 7vw, 92px);
  background:
    radial-gradient(120% 84% at 88% 4%, rgba(53, 224, 214, 0.15), transparent 58%),
    radial-gradient(92% 72% at 4% 96%, rgba(255, 162, 58, 0.1), transparent 62%),
    var(--ink-900);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(53, 224, 214, 0.18) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(158deg, rgba(0, 0, 0, 0.92), transparent 64%);
  mask-image: linear-gradient(158deg, rgba(0, 0, 0, 0.92), transparent 64%);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 52px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 58px);
  align-items: end;
}

.page-contact .contact-hero__text .eyebrow {
  margin: 0 0 14px;
  color: var(--cyan-400);
}

.page-contact .contact-hero__text .display {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
}

.page-contact .contact-hero__text .lead {
  max-width: 40ch;
  margin: 0;
  color: var(--gray-200);
}

.page-contact .contact-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__chips .pill {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-contact .contact-hero__media {
  --ratio: 16 / 9;
}

.page-contact .contact-hero__media .media__frame {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--ink-500);
  background: var(--ink-700);
}

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

.page-contact .contact-hero__media .media__caption {
  margin-top: 12px;
  color: var(--gray-400);
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- 主区：表单 + 渠道 ---------- */

.page-contact .contact-main {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}

.page-contact .contact-main__head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .contact-main__head .anno {
  color: var(--gray-400);
  margin: 0 0 14px;
}

.page-contact .contact-main__head .h2 {
  margin: 0 0 16px;
}

.page-contact .contact-main__head .body-text {
  margin: 0;
  color: var(--gray-200);
}

.page-contact .contact-main__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.2vw, 34px);
  align-items: start;
}

/* 反馈表单卡片 */

.page-contact .feedback-card {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  background: var(--ink-700);
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-l);
  box-shadow: 0 22px 60px -34px rgba(11, 18, 48, 0.9);
}

.page-contact .feedback-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: 130px;
  height: 130px;
  border-radius: 0 var(--radius-l) 0 60%;
  background: linear-gradient(200deg, rgba(53, 224, 214, 0.16), transparent 70%);
  pointer-events: none;
}

.page-contact .feedback-card__head .feedback-card__badge {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--glass-14);
  border: 1px solid var(--ink-500);
  color: var(--cyan-400);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .feedback-card__head .h3 {
  margin: 14px 0 10px;
}

.page-contact .feedback-card__head .note {
  margin: 0 0 clamp(20px, 3vw, 26px);
  color: var(--gray-400);
}

.page-contact .feedback-card__fields {
  display: grid;
  gap: 16px;
}

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

.page-contact .field__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray-200);
}

.page-contact .field__control {
  width: 100%;
  min-height: 48px;
  box-sizing: border-box;
  padding: 12px 14px;
  background: var(--ink-900);
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-s);
  color: var(--text-050);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .field__control::placeholder {
  color: var(--gray-400);
  opacity: 1;
}

.page-contact .field__control:focus {
  outline: none;
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 3px rgba(53, 224, 214, 0.2);
}

.page-contact .field__control--area {
  min-height: 112px;
  resize: vertical;
}

.page-contact .feedback-card__footnote {
  margin: clamp(18px, 2.6vw, 24px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ink-500);
  color: var(--gray-400);
}

/* 渠道卡片 */

.page-contact .channel-stack {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  display: grid;
  grid-template-columns: 4px minmax(0, 1fr);
  background: var(--glass-08);
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-m);
  overflow: hidden;
  backdrop-filter: blur(6px);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--cyan-600);
  background: rgba(246, 248, 255, 0.11);
}

.page-contact .channel-card__bar {
  display: block;
  background: var(--gray-400);
}

.page-contact .channel-card--urgent .channel-card__bar { background: var(--amber-400); }
.page-contact .channel-card--mail .channel-card__bar { background: var(--cyan-400); }
.page-contact .channel-card--partner .channel-card__bar { background: var(--gray-200); }

.page-contact .channel-card__body {
  padding: clamp(18px, 2.4vw, 26px);
}

.page-contact .channel-card__top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.page-contact .channel-card__rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--ink-900);
  color: var(--cyan-400);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(19px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact .channel-card__text {
  margin: 0 0 14px;
  color: var(--gray-200);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .channel-card__value {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 4px;
  color: var(--amber-400);
  font-size: 16px;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 162, 58, 0.5);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .channel-card--mail .channel-card__value {
  color: var(--cyan-400);
  border-bottom-color: rgba(53, 224, 214, 0.5);
}

.page-contact .channel-card__value:hover,
.page-contact .channel-card__value:focus-visible {
  color: var(--text-050);
  border-bottom-color: var(--text-050);
}

.page-contact .channel-card__meta {
  margin: 12px 0 0;
  color: var(--gray-400);
}

/* ---------- 准备清单 ---------- */

.page-contact .contact-prep {
  background: var(--ink-900);
}

.page-contact .contact-prep__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .contact-prep__intro .anno {
  color: var(--gray-400);
  margin: 0 0 14px;
}

.page-contact .contact-prep__intro .h2 {
  margin: 0 0 16px;
}

.page-contact .contact-prep__intro .body-text {
  margin: 0;
  color: var(--gray-200);
  max-width: 44ch;
}

.page-contact .contact-prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--ink-500);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--ink-500);
  transition: background-color 200ms var(--ease);
}

.page-contact .prep-item:hover {
  background: var(--glass-08);
}

.page-contact .prep-item__num {
  grid-row: 1 / span 2;
  align-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 30px;
  border-radius: 8px;
  background: var(--ink-700);
  border: 1px solid var(--ink-500);
  color: var(--amber-400);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .prep-item__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .prep-item__text {
  margin: 0;
  color: var(--gray-200);
  font-size: 15px;
  line-height: 1.75;
  max-width: 46ch;
}

/* ---------- 处理流程 ---------- */

.page-contact .contact-flow {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}

.page-contact .contact-flow__head {
  max-width: 56ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .contact-flow__head .anno {
  color: var(--gray-400);
  margin: 0 0 14px;
}

.page-contact .contact-flow__head .h2 {
  margin: 0 0 16px;
}

.page-contact .contact-flow__head .body-text {
  margin: 0;
  color: var(--gray-200);
}

.page-contact .contact-flow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-contact .flow-item {
  position: relative;
  padding: 22px 20px 22px 26px;
  background: var(--glass-08);
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-m);
}

.page-contact .flow-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--cyan-400);
}

.page-contact .flow-item__step {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--ink-900);
  color: var(--cyan-400);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-contact .flow-item__title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .flow-item__text {
  margin: 0;
  color: var(--gray-200);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 区域支持 ---------- */

.page-contact .contact-region {
  background: var(--ink-900);
}

.page-contact .contact-region__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-region__media {
  margin: 0;
}

.page-contact .contact-region__media .media__frame {
  aspect-ratio: 5 / 4;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--ink-500);
  background: var(--ink-700);
}

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

.page-contact .contact-region__media .media__caption {
  margin-top: 12px;
  color: var(--gray-400);
  font-size: 13px;
  line-height: 1.6;
}

.page-contact .contact-region__text .anno {
  color: var(--gray-400);
  margin: 0 0 14px;
}

.page-contact .contact-region__text .h2 {
  margin: 0 0 18px;
}

.page-contact .contact-region__text .body-text {
  margin: 0 0 16px;
  color: var(--gray-200);
  max-width: 52ch;
}

.page-contact .contact-region__points {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .region-point {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-s);
  background: var(--glass-08);
  border-left: 2px solid var(--cyan-600);
}

.page-contact .region-point__key {
  flex: none;
  color: var(--amber-400);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .region-point__val {
  color: var(--gray-200);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 联系方式 ---------- */

.page-contact .contact-reach {
  padding-bottom: clamp(64px, 9vw, 120px);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}

.page-contact .reach-card {
  position: relative;
  padding: clamp(26px, 4vw, 48px);
  border-radius: var(--radius-l);
  background:
    radial-gradient(110% 120% at 100% 0%, rgba(53, 224, 214, 0.14), transparent 60%),
    var(--ink-700);
  border: 1px solid var(--ink-500);
  box-shadow: 0 30px 80px -46px rgba(11, 18, 48, 0.95);
}

.page-contact .reach-card__head {
  max-width: 56ch;
  margin-bottom: clamp(24px, 3.4vw, 36px);
}

.page-contact .reach-card__head .anno {
  color: var(--gray-400);
  margin: 0 0 14px;
}

.page-contact .reach-card__head .h2 {
  margin: 0 0 16px;
}

.page-contact .reach-card__head .body-text {
  margin: 0;
  color: var(--gray-200);
}

.page-contact .reach-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-contact .reach-item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--ink-500);
}

.page-contact .reach-item__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray-400);
}

.page-contact .reach-item__value {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-050);
  word-break: break-word;
}

.page-contact .reach-item__value a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 224, 214, 0.5);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .reach-item__value a:hover,
.page-contact .reach-item__value a:focus-visible {
  color: var(--text-050);
  border-bottom-color: var(--text-050);
}

.page-contact .reach-card__note {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--ink-500);
  color: var(--gray-400);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .contact-flow__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .reach-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 clamp(24px, 4vw, 48px);
  }

  .page-contact .reach-item--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  }

  .page-contact .contact-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .contact-region__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-main__grid {
    grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(26px, 3.4vw, 42px);
  }
}

/* 窄屏保护 */
@media (max-width: 480px) {
  .page-contact .contact-hero__chips .pill {
    font-size: 12px;
  }

  .page-contact .channel-card__top {
    gap: 8px;
  }

  .page-contact .prep-item {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 10px;
  }

  .page-contact .prep-item__num {
    grid-row: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .prep-item,
  .page-contact .field__control,
  .page-contact .channel-card__value,
  .page-contact .reach-item__value a {
    transition: none;
  }

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