.page-contact {
  position: relative;
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

.page-contact .breadcrumbs {
  padding-top: clamp(20px, 4vw, 40px);
}

/* ---------- 首屏：巨型联系方式 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .contact-hero__glow {
  position: absolute;
  top: -18%;
  right: -14%;
  width: min(680px, 88vw);
  height: min(680px, 88vw);
  background:
    radial-gradient(circle at 34% 34%, rgba(63, 224, 208, 0.20), transparent 66%),
    radial-gradient(circle at 72% 76%, rgba(255, 77, 141, 0.14), transparent 62%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  margin: clamp(16px, 3vw, 30px) 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(40px, 9vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 14ch;
}

.page-contact .contact-hero__lead {
  margin: clamp(18px, 3vw, 30px) 0 0;
  max-width: 56ch;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .contact-board {
  margin-top: clamp(36px, 6vw, 72px);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .contact-board__row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(18px, 3vw, 28px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-board__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-contact .contact-board__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: clamp(17px, 4.6vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-board__value--mail {
  color: var(--cyan);
}

.page-contact .contact-board__value--tel {
  color: var(--orange);
}

.page-contact .contact-board__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: clamp(14px, 2.4vw, 20px) 0 clamp(4px, 1vw, 8px);
}

.page-contact .contact-board__clock {
  font-size: 15px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-contact .contact-board__foot-text {
  font-size: 14px;
  color: var(--text-dim);
}

/* ---------- 三条通道 ---------- */

.page-contact .contact-channels__grid {
  margin-top: clamp(32px, 5vw, 60px);
  align-items: start;
}

.page-contact .contact-channels__list {
  display: flex;
  flex-direction: column;
}

.page-contact .channel {
  padding: clamp(20px, 3vw, 30px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .channel:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .channel__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--rock);
}

.page-contact .channel__name {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.35;
  color: var(--text);
}

.page-contact .channel__desc {
  margin: 10px 0 0;
  max-width: 54ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .channel__link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact .channel__link:hover,
.page-contact .channel__link:focus-visible {
  color: var(--cream);
}

.page-contact .channel__tag {
  display: inline-block;
  margin-top: 14px;
}

.page-contact .contact-channels__figure {
  margin: clamp(28px, 4vw, 0) 0 0;
}

.page-contact .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .media-frame__caption {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 客服 / 公告 分流 ---------- */

.page-contact .contact-route {
  background: linear-gradient(
    180deg,
    rgba(14, 59, 69, 0) 0%,
    rgba(14, 59, 69, 0.9) 16%,
    rgba(14, 59, 69, 0.9) 84%,
    rgba(14, 59, 69, 0) 100%
  );
}

.page-contact .contact-route__grid {
  align-items: start;
}

.page-contact .contact-route__hint {
  margin: 16px 0 0;
  max-width: 30ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cyan);
}

.page-contact .route-split {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  grid-template-columns: 1fr;
}

.page-contact .route-card {
  padding: clamp(22px, 3vw, 32px);
  background: var(--ink);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-m);
}

.page-contact .route-card--notice {
  border-left-color: var(--magenta);
}

.page-contact .route-card__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 1.9vw, 22px);
  line-height: 1.4;
  color: var(--text);
}

.page-contact .route-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .route-list li {
  position: relative;
  margin-top: 9px;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-contact .route-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.7;
}

.page-contact .route-card--notice .route-list li::before {
  background: var(--magenta);
}

.page-contact .route-card__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 合作对接 ---------- */

.page-contact .coop-grid {
  margin-top: clamp(30px, 4vw, 52px);
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  grid-template-columns: 1fr;
}

.page-contact .coop-card {
  padding: clamp(20px, 2.4vw, 26px);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  transition: border-color 260ms var(--ease), transform 260ms var(--ease);
}

.page-contact .coop-card:hover {
  border-color: var(--line-strong);
}

.page-contact .coop-card[open] {
  border-color: rgba(63, 224, 208, 0.42);
}

.page-contact .coop-card__summary {
  position: relative;
  display: block;
  padding-right: 34px;
  cursor: pointer;
  list-style: none;
}

.page-contact .coop-card__summary::-webkit-details-marker {
  display: none;
}

.page-contact .coop-card__summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .coop-card[open] .coop-card__summary::after {
  content: "−";
}

.page-contact .coop-card__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
  border-radius: 4px;
}

.page-contact .coop-card__title {
  display: block;
  margin-top: 12px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(18px, 1.8vw, 21px);
  line-height: 1.4;
  color: var(--text);
}

.page-contact .coop-card__body {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-contact .coop-card__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-contact .coop-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-list li {
  position: relative;
  margin-top: 8px;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.65;
}

/* ---------- 所在地 ---------- */

.page-contact .contact-place {
  padding-top: clamp(56px, 8vw, 104px);
}

.page-contact .contact-place__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  grid-template-columns: 1fr;
  align-items: center;
}

.page-contact .contact-place__card {
  padding: clamp(26px, 4vw, 46px);
  background: var(--clay);
  border-radius: var(--radius-l) 4px var(--radius-l) 4px;
  color: var(--ink);
}

.page-contact .contact-place__card .eyebrow {
  color: rgba(10, 26, 47, 0.62);
}

.page-contact .contact-place__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .contact-place__addr {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2vw, 24px);
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .contact-place__note {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(10, 26, 47, 0.8);
}

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

/* ---------- 备案与站点信息 ---------- */

.page-contact .contact-legal__panel {
  padding-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line-strong);
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  grid-template-columns: 1fr;
}

.page-contact .contact-legal__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.25;
  color: var(--text);
}

.page-contact .contact-legal__hint {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .contact-legal__link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .legal-list {
  margin: 0;
  display: grid;
  gap: 0 clamp(20px, 3vw, 40px);
  grid-template-columns: 1fr;
}

.page-contact .legal-list__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .legal-list__key {
  flex: 0 0 auto;
  font-size: 14px;
  color: var(--rock);
}

.page-contact .legal-list__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  text-align: right;
  color: var(--cream);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .legal-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-contact .contact-board__row {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: clamp(20px, 4vw, 56px);
  }

  .page-contact .contact-board__label {
    flex: 0 0 auto;
  }

  .page-contact .contact-board__value {
    text-align: right;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-place__inner {
    grid-template-columns: 5fr 6fr;
  }

  .page-contact .contact-channels__figure {
    margin-top: 0;
  }

  .page-contact .contact-legal__panel {
    grid-template-columns: 3fr 8fr;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .channel__link {
    transition: none;
  }
}