.page-contact {
  background: var(--cream);
  color: var(--text-body);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--ink-500);
  outline-offset: 2px;
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(88px, 11vw, 132px) 0 clamp(52px, 7vw, 84px);
  background:
    radial-gradient(115% 92% at 86% 6%, rgba(192, 139, 62, .30), transparent 56%),
    linear-gradient(158deg, var(--ink-950) 0%, var(--ink-900) 48%, var(--ink-700) 100%);
  color: var(--cream);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  left: -10%;
  bottom: -24%;
  width: 66%;
  height: 62%;
  background: rgba(79, 224, 200, .07);
  clip-path: polygon(0 100%, 32% 0, 100% 100%);
  pointer-events: none;
}

.page-contact .contact-hero__crumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .contact-hero__crumb .breadcrumb__link {
  color: rgba(239, 233, 220, .68);
  text-decoration: none;
}

.page-contact .contact-hero__crumb .breadcrumb__link:hover {
  color: var(--cyan);
}

.page-contact .contact-hero__crumb span[aria-current] {
  color: var(--copper-200);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 4.4vw, 60px);
  align-items: start;
}

.page-contact .contact-hero__eyebrow {
  color: var(--copper-200);
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(40px, 7.2vw, 86px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--cream);
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  margin: 22px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: rgba(239, 233, 220, .82);
}

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

.page-contact .contact-hero__board {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid rgba(228, 188, 124, .42);
  border-radius: var(--r-card);
  background: rgba(239, 233, 220, .06);
  backdrop-filter: blur(4px);
}

.page-contact .contact-hero__board-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--copper-200);
}

.page-contact .contact-quick {
  margin: 8px 0 0;
}

.page-contact .contact-quick__row {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-top: 1px dashed rgba(228, 188, 124, .26);
}

.page-contact .contact-quick__row dt {
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(239, 233, 220, .58);
}

.page-contact .contact-quick__row dd {
  margin: 0;
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.5;
  color: var(--copper-200);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__board-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(239, 233, 220, .16);
  font-size: 13px;
  line-height: 1.85;
  color: rgba(239, 233, 220, .7);
}

/* ============ 区块通用 ============ */
.page-contact .contact-direct,
.page-contact .contact-mail,
.page-contact .contact-partner {
  background: var(--cream);
}

.page-contact .contact-ticket {
  position: relative;
  background: var(--ink-900);
  color: var(--cream);
  overflow: hidden;
}

.page-contact .contact-address {
  background: var(--stone);
}

.page-contact .contact-more {
  background: var(--ink-950);
  color: var(--cream);
}

.page-contact .contact-direct,
.page-contact .contact-ticket,
.page-contact .contact-mail,
.page-contact .contact-address,
.page-contact .contact-partner,
.page-contact .contact-more {
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-contact .contact-head {
  max-width: 64ch;
  margin-bottom: clamp(28px, 4vw, 50px);
}

.page-contact .contact-head--tight {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .contact-head__title {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--char);
}

.page-contact .contact-head__lede {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text-body);
}

.page-contact .contact-head--dark .eyebrow {
  color: var(--copper-200);
}

.page-contact .contact-head--dark .contact-head__title {
  color: var(--cream);
}

.page-contact .contact-head--dark .contact-head__lede {
  color: rgba(239, 233, 220, .78);
}

/* ============ 按诉求分渠道 ============ */
.page-contact .contact-direct__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 52px);
  align-items: start;
}

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

.page-contact .channel-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--copper);
  border-radius: var(--r-card);
  background: var(--cream-soft);
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .channel-card:hover {
  background: #fff;
  border-left-color: var(--ember);
}

.page-contact .channel-card__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--copper);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--copper-200);
}

.page-contact .channel-card__title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--char);
}

.page-contact .channel-card__body {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.88;
  color: var(--text-body);
}

.page-contact .channel-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 18px 0 0;
  padding-top: 15px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
}

.page-contact .channel-card__tag {
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(42, 101, 87, .12);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-700);
}

.page-contact .channel-card__addr {
  font-size: 13px;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__link {
  color: var(--ink-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .channel-card__link:hover {
  color: var(--ember);
}

.page-contact .contact-handles__frame {
  position: relative;
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid var(--copper);
  border-radius: var(--r-card);
  background: var(--cream-soft);
}

.page-contact .contact-handles__frame::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px dashed rgba(192, 139, 62, .32);
  border-radius: calc(var(--r-card) - 8px);
  pointer-events: none;
}

.page-contact .contact-handles__frame > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-handles__label {
  margin: 22px 0 6px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .contact-handles__value {
  margin: 0;
  font-size: clamp(15px, 1.9vw, 21px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-contact .contact-handles__note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ============ 工单流程 ============ */
.page-contact .contact-ticket__steps {
  list-style: none;
  margin: 0 0 clamp(34px, 5vw, 56px);
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-step {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line-dark);
  transition: border-color 200ms var(--ease);
}

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

.page-contact .contact-step__num {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--copper);
  padding-top: 4px;
}

.page-contact .contact-step__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-contact .contact-step__body {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.88;
  color: rgba(239, 233, 220, .72);
}

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

.page-contact .contact-ticket__figure .figure__frame {
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-contact .contact-ticket__figure .figure__caption {
  color: rgba(239, 233, 220, .62);
}

/* ============ 邮件建议 ============ */
.page-contact .contact-mail {
  background: var(--cream-soft);
}

.page-contact .contact-mail__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 50px);
  align-items: start;
}

.page-contact .contact-mail__list {
  counter-reset: mail;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .contact-mail__item {
  counter-increment: mail;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .contact-mail__item::before {
  content: "0" counter(mail);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--copper);
  padding-top: 3px;
}

.page-contact .contact-mail__label {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--char);
}

.page-contact .contact-mail__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--text-body);
}

/* ============ 联系地址 ============ */
.page-contact .contact-address__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 54px);
  align-items: center;
}

.page-contact .contact-address__line {
  margin: 18px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--copper);
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.7vw, 18px);
  line-height: 1.75;
  color: var(--ink-900);
}

.page-contact .contact-address__text {
  margin: 20px 0 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-body);
}

.page-contact .contact-address__notes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-address__notes li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-top: 1px dashed rgba(22, 19, 15, .2);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-body);
}

.page-contact .contact-address__notes .mono {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ink-700);
  padding-top: 2px;
}

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

/* ============ 合作与适配 ============ */
.page-contact .contact-partner__tabs {
  display: grid;
  gap: 14px;
}

.page-contact .partner-item {
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--cream-soft);
  overflow: hidden;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .partner-item[open] {
  border-color: var(--copper);
  background: #fff;
}

.page-contact .partner-item__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px clamp(18px, 2.4vw, 30px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--char);
}

.page-contact .partner-item__summary::-webkit-details-marker {
  display: none;
}

.page-contact .partner-item__summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--copper);
}

.page-contact .partner-item[open] .partner-item__summary::after {
  content: "－";
}

.page-contact .partner-item__num {
  flex: none;
  padding: 3px 8px;
  border: 1px solid rgba(192, 139, 62, .5);
  border-radius: var(--r-sm);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--copper);
}

.page-contact .partner-item__name {
  min-width: 0;
}

.page-contact .partner-item__panel {
  padding: 0 clamp(18px, 2.4vw, 30px) clamp(22px, 2.8vw, 32px);
  border-top: 1px dashed var(--line);
}

.page-contact .partner-item__panel p {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--text-body);
}

.page-contact .partner-item__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .partner-item__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-body);
}

.page-contact .partner-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1px;
  background: var(--copper);
}

/* ============ 其他入口 ============ */
.page-contact .contact-more__grid {
  display: grid;
  gap: 14px;
}

.page-contact .contact-more__card {
  display: block;
  padding: 22px 20px;
  border: 1px solid rgba(239, 233, 220, .18);
  border-radius: var(--r-card);
  text-decoration: none;
  color: var(--cream);
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .contact-more__card:hover {
  border-color: var(--copper);
  background: rgba(192, 139, 62, .12);
}

.page-contact .contact-more__card-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-contact .contact-more__card-text {
  margin: 9px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(239, 233, 220, .7);
}

.page-contact .contact-more .contact-more__card:focus-visible {
  outline-color: var(--cyan);
}

/* ============ 断点 ============ */
@media (min-width: 760px) {
  .page-contact .contact-more__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

  .page-contact .contact-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding: 28px 26px 30px 0;
    border-top: 2px solid var(--ink-500);
    border-bottom: 0;
  }

  .page-contact .contact-step:last-child {
    border-bottom: 0;
  }

  .page-contact .contact-step:hover,
  .page-contact .contact-step:focus-within {
    border-top-color: var(--copper);
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-direct__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .contact-mail__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .contact-address__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .contact-handles {
    position: sticky;
    top: calc(var(--header-h) + 44px);
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-more__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .partner-item,
  .page-contact .contact-more__card,
  .page-contact .contact-step {
    transition: none;
  }
}
</main>