.page-contact {
  background: var(--void);
  color: var(--comet);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding: 20px 0 0;
}
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: rgba(233, 246, 248, 0.5);
}
.page-contact .breadcrumb a {
  color: var(--trail);
  text-decoration: none;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  text-decoration: underline;
}
.page-contact .breadcrumb li + li::before {
  content: "／";
  margin-right: 6px;
  color: rgba(233, 246, 248, 0.32);
}

/* ---------- 首屏 ---------- */
.page-contact__hero {
  position: relative;
  padding: 28px 0 54px;
}
.page-contact__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 380px at 84% -14%, rgba(79, 216, 224, 0.16), transparent 68%),
    radial-gradient(520px 320px at 0% 10%, rgba(138, 107, 255, 0.13), transparent 72%);
}
.page-contact__grid {
  position: relative;
  display: grid;
  gap: 34px;
}
@media (min-width: 900px) {
  .page-contact__grid {
    grid-template-columns: 5fr 7fr;
    gap: 54px;
    align-items: start;
  }
}

.page-contact__intro .eyebrow {
  color: var(--trail);
}
.page-contact__title {
  margin: 12px 0 16px;
  font-family: var(--font-head);
  font-size: clamp(34px, 8.4vw, 64px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--comet);
}
.page-contact__lead {
  margin: 0;
  max-width: 22em;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(233, 246, 248, 0.78);
}

/* 通道清单 */
.page-contact__channels {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--steel);
}
.page-contact__channels li {
  border-bottom: 1px solid var(--steel);
}
.page-contact__channels a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  padding: 15px 4px;
  text-decoration: none;
  color: var(--comet);
  transition: color var(--t-fast), padding-left var(--t-fast), background var(--t-fast);
}
.page-contact__channels a:hover,
.page-contact__channels a:focus-visible {
  color: var(--trail);
  padding-left: 12px;
  background: rgba(79, 216, 224, 0.05);
}
.page-contact__idx {
  grid-row: 1 / 3;
  align-self: center;
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ember);
}
.page-contact__ch-name {
  font-family: var(--font-head);
  font-size: var(--fs-24);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.page-contact__ch-note {
  font-size: var(--fs-14);
  color: rgba(233, 246, 248, 0.55);
}
.page-contact__channels a:hover .page-contact__ch-note {
  color: rgba(79, 216, 224, 0.75);
}

/* 右栏：视觉 + 联系方式卡 */
.page-contact__aside {
  display: grid;
  gap: 20px;
}
.page-contact__visual {
  margin: 0;
  border: 1px solid var(--steel);
}
.page-contact__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.page-contact__card {
  position: relative;
  padding: 22px 22px 24px;
  background: var(--deep);
  border-left: 3px solid var(--ember);
  border-radius: var(--radius);
}
.page-contact__coord {
  display: block;
  width: 100%;
  height: auto;
  max-height: 72px;
  margin-bottom: 14px;
  color: var(--comet);
}
.page-contact__card-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: var(--fs-14);
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--amber);
}
.page-contact__card-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}
.page-contact__card-item {
  display: grid;
  gap: 5px;
  padding-left: 12px;
  border-left: 1px solid var(--steel);
}
.page-contact__card-key {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: rgba(233, 246, 248, 0.48);
}
.page-contact__card-value {
  font-family: var(--font-data);
  font-size: var(--fs-18);
  font-weight: 600;
  line-height: 1.45;
  color: var(--comet);
  word-break: break-word;
}
.page-contact__card-value--text {
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 500;
  line-height: 1.7;
}

/* ---------- 通用章节 ---------- */
.page-contact__section {
  padding: 54px 0;
  border-top: 1px solid var(--steel);
}
.page-contact__section--deep {
  background: var(--deep);
}
.page-contact__head {
  margin-bottom: 30px;
}
.page-contact__head .eyebrow {
  color: var(--trail);
}
.page-contact__section h2 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(24px, 4.6vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--comet);
}
.page-contact__head-text {
  margin: 0;
  max-width: 42em;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(233, 246, 248, 0.72);
}

/* ---------- 场景切换 ---------- */
.page-contact__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--steel);
}
.page-contact__tabs .tabs__tab {
  appearance: none;
  min-height: 44px;
  padding: 11px 18px;
  background: transparent;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  color: rgba(233, 246, 248, 0.7);
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.page-contact__tabs .tabs__tab:hover {
  color: var(--comet);
  border-color: var(--trail);
}
.page-contact__tabs .tabs__tab[aria-selected="true"],
.page-contact__tabs .tabs__tab.is-active {
  background: var(--ember);
  border-color: var(--ember);
  color: #1A0A04;
}
.page-contact__tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--trail);
  outline-offset: 2px;
}
.page-contact__tabs .tabs__panel {
  display: none;
}
.page-contact__tabs .tabs__panel.is-active {
  display: block;
}

.page-contact__panel {
  display: grid;
  gap: 26px;
}
@media (min-width: 820px) {
  .page-contact__panel {
    grid-template-columns: 6fr 6fr;
    gap: 40px;
    align-items: start;
  }
}
.page-contact__panel-text h3,
.page-contact__checklist h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: var(--fs-18);
  font-weight: 800;
  color: var(--comet);
}
.page-contact__panel-text p {
  margin: 0 0 12px;
  max-width: 38em;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(233, 246, 248, 0.76);
}
.page-contact__checklist {
  padding: 22px;
  background: rgba(30, 42, 68, 0.42);
  border-top: 2px solid var(--violet);
  border-radius: var(--radius);
}
.page-contact__checklist ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}
.page-contact__checklist li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: rgba(233, 246, 248, 0.82);
}
.page-contact__checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 2px;
  background: var(--trail);
}

/* ---------- 回复节奏 ---------- */
.page-contact__timing {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--steel);
}
.page-contact__timing-item {
  padding: 22px 0 22px 18px;
  border-bottom: 1px solid var(--steel);
  border-left: 2px solid transparent;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.page-contact__timing-item:hover {
  border-left-color: var(--trail);
  background: rgba(79, 216, 224, 0.045);
}
.page-contact__timing-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: var(--fs-18);
  font-weight: 800;
  color: var(--comet);
}
.page-contact__timing-item p {
  margin: 0;
  max-width: 44em;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(233, 246, 248, 0.72);
}
@media (min-width: 900px) {
  .page-contact__timing {
    grid-template-columns: repeat(3, 1fr);
    border-top: none;
  }
  .page-contact__timing-item {
    padding: 4px 26px 4px 20px;
    border-bottom: none;
    border-left: 1px solid var(--steel);
  }
  .page-contact__timing-item:hover {
    border-left-color: var(--trail);
  }
}

/* ---------- 合作方向 ---------- */
.page-contact__coop {
  display: grid;
  gap: 34px;
}
@media (min-width: 900px) {
  .page-contact__coop {
    grid-template-columns: 7fr 5fr;
    gap: 52px;
    align-items: start;
  }
}
.page-contact__coop .eyebrow {
  color: var(--violet);
}
.page-contact__coop-text h2 {
  margin-bottom: 22px;
}
.page-contact__coop-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}
.page-contact__coop-list li {
  padding-left: 16px;
  border-left: 1px solid var(--steel);
  transition: border-color var(--t-fast);
}
.page-contact__coop-list li:hover {
  border-left-color: var(--violet);
}
.page-contact__coop-list h3 {
  margin: 0 0 7px;
  font-family: var(--font-head);
  font-size: var(--fs-18);
  font-weight: 800;
  color: var(--comet);
}
.page-contact__coop-list p {
  margin: 0;
  max-width: 40em;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(233, 246, 248, 0.7);
}
.page-contact__coop-figure {
  margin: 0;
  border: 1px solid var(--steel);
}
.page-contact__coop-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 地址与寄送（奶油阅读带） ---------- */
.page-contact__section--cream {
  background: var(--cream);
  color: var(--ink);
  border-top-color: var(--cream);
}
.page-contact__section--cream h2 {
  color: var(--ink);
}
.page-contact__address {
  display: grid;
  gap: 30px;
}
@media (min-width: 900px) {
  .page-contact__address {
    grid-template-columns: 5fr 7fr;
    gap: 52px;
    align-items: start;
  }
}
.page-contact__address .eyebrow {
  color: #A03E18;
}
.page-contact__address-main p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(36, 28, 22, 0.78);
}
.page-contact__address-line {
  display: block;
  margin: 18px 0 18px;
  padding: 14px 0 14px 16px;
  border-left: 3px solid var(--ember);
  font-size: var(--fs-18);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  background: rgba(36, 28, 22, 0.045);
}
.page-contact__address-notes h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: var(--fs-18);
  font-weight: 800;
  color: var(--ink);
}
.page-contact__address-notes ul {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-contact__address-notes li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: rgba(36, 28, 22, 0.8);
}
.page-contact__address-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 1px;
  background: var(--ember);
}
.page-contact__address-more {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(36, 28, 22, 0.16);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(36, 28, 22, 0.72);
}
.page-contact__address-more a {
  color: #A03E18;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact__address-more a:hover,
.page-contact__address-more a:focus-visible {
  color: var(--ember);
}
</main>