.page-contact {
  --c-gold: var(--gold);
  --c-line: rgba(200, 162, 74, 0.34);
  --c-line-soft: rgba(21, 21, 25, 0.12);
  --c-body: #4A4740;
  --c-body-strong: #3C3933;
  background: var(--ivory);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 108px 0 52px;
  background: linear-gradient(155deg, #0B0B0D 0%, #151519 46%, #1E3A32 100%);
  color: var(--ivory);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -240px;
  right: -180px;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, rgba(200, 162, 74, 0.28), rgba(200, 162, 74, 0) 68%);
  pointer-events: none;
  animation: contactGlow 15s ease-in-out infinite;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  bottom: -280px;
  left: 8%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(46, 81, 71, 0.5), rgba(46, 81, 71, 0) 70%);
  pointer-events: none;
}

.page-contact .contact-hero > .u-container {
  position: relative;
  z-index: 1;
}

@keyframes contactGlow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.92; }
}

.page-contact .contact-hero .breadcrumb,
.page-contact .contact-hero .breadcrumb__item,
.page-contact .contact-hero .breadcrumb__item a {
  color: rgba(244, 239, 230, 0.66);
}

.page-contact .contact-hero .breadcrumb__item a:hover {
  color: var(--gold-bright);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 34px;
  margin-top: 26px;
}

.page-contact .contact-hero__eyebrow {
  color: var(--gold-bright);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.9rem, 6.4vw, 3.4rem);
  line-height: 1.24;
  letter-spacing: 0.01em;
  overflow-wrap: break-word;
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.86;
  color: rgba(244, 239, 230, 0.8);
}

.page-contact .contact-hero__aside {
  padding-left: 20px;
  border-left: 1px solid var(--c-line);
}

.page-contact .contact-hero__aside-num {
  color: var(--gold-bright);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
}

.page-contact .contact-hero__aside-text {
  margin: 10px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.68);
}

.page-contact .contact-hero__rule {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 46px;
}

.page-contact .contact-hero__rule-line {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, rgba(200, 162, 74, 0), var(--gold));
}

.page-contact .contact-hero__rule-line:last-child {
  background: linear-gradient(90deg, var(--gold), rgba(200, 162, 74, 0));
}

.page-contact .contact-hero__rule-word {
  flex: 0 0 auto;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  letter-spacing: 0.28em;
  color: var(--gold-bright);
  white-space: nowrap;
}

/* ---------- 分区通用 ---------- */

.page-contact .contact-section {
  padding: 62px 0;
}

.page-contact .contact-section--channels,
.page-contact .contact-section--post {
  background: var(--ivory);
}

.page-contact .contact-section--scope {
  background: linear-gradient(180deg, #F4EFE6 0%, #EFE8DC 100%);
}

.page-contact .contact-section--collab {
  background: linear-gradient(180deg, #0B0B0D 0%, #151519 100%);
  color: var(--ivory);
}

.page-contact .folio {
  display: grid;
  gap: 44px;
}

.page-contact .folio__col {
  min-width: 0;
}

/* ---------- 联系方式 ---------- */

.page-contact .channel-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .channel {
  position: relative;
  padding: 20px 22px 20px 26px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius-md);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  border-radius: 2px;
  background: var(--gold);
}

.page-contact .channel:hover {
  border-color: rgba(200, 162, 74, 0.55);
  transform: translateY(-2px);
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-contact .channel__value {
  margin: 8px 0 0;
  font-family: var(--font-narrow);
  font-size: 1.06rem;
  letter-spacing: 0.03em;
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .channel__value--text {
  font-family: var(--font-sans);
  font-size: 0.98rem;
  line-height: 1.7;
  letter-spacing: 0;
}

.page-contact .channel__note {
  margin: 8px 0 0;
  font-size: 0.88rem;
  line-height: 1.76;
  color: var(--c-body);
}

.page-contact .channel__copy {
  margin-top: 14px;
}

.page-contact .btn--sm {
  padding: 7px 16px;
  font-size: 0.8rem;
  border-radius: var(--radius-pill);
}

/* ---------- 邮件写法 ---------- */

.page-contact .contact-mail-figure {
  margin: 28px 0 0;
}

.page-contact .mail-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .mail-steps__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .mail-steps__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .mail-steps__num {
  padding-top: 3px;
  color: var(--gold);
  font-size: 0.94rem;
}

.page-contact .mail-steps__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .mail-steps__text {
  margin: 7px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 问题范围折叠 ---------- */

.page-contact .topic-list {
  margin-top: 30px;
  display: grid;
  gap: 12px;
}

.page-contact .topic {
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 200ms var(--ease);
}

.page-contact .topic[open] {
  border-color: rgba(200, 162, 74, 0.6);
}

.page-contact .topic .disclosure__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
}

.page-contact .topic .disclosure__summary::-webkit-details-marker {
  display: none;
}

.page-contact .topic .disclosure__summary::after {
  content: "＋";
  flex: 0 0 auto;
  margin-left: 10px;
  font-size: 0.95rem;
  line-height: 1;
  color: var(--gold);
}

.page-contact .topic[open] .disclosure__summary::after {
  content: "－";
}

.page-contact .topic__index {
  flex: 0 0 auto;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.page-contact .topic__name {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .topic .disclosure__count {
  margin-left: auto;
  font-family: var(--font-narrow);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--grey);
  white-space: nowrap;
}

.page-contact .topic .disclosure__body {
  padding: 0 20px 20px;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--c-body);
}

.page-contact .topic .disclosure__body a {
  color: var(--wine);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .material-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .material-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.89rem;
  line-height: 1.72;
}

.page-contact .material-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 服务时间 ---------- */

.page-contact .hours {
  margin-top: 30px;
  padding: 22px 22px 18px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #1E3A32 0%, #2E5147 100%);
  color: var(--ivory);
}

.page-contact .hours__caption {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: rgba(244, 239, 230, 0.62);
}

.page-contact .hours__track {
  position: relative;
  height: 10px;
  margin-top: 16px;
  border-radius: var(--radius-pill);
  background: rgba(244, 239, 230, 0.14);
  overflow: hidden;
}

.page-contact .hours__fill {
  position: absolute;
  inset: 0 6% 0 0;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-bright) 58%, rgba(228, 185, 91, 0.35) 100%);
}

.page-contact .hours__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
}

.page-contact .hours__scale .u-num {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: rgba(244, 239, 230, 0.6);
}

.page-contact .hours-list {
  list-style: none;
  margin: 22px -14px 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .hours-list__item {
  display: grid;
  gap: 6px;
  padding: 16px 14px;
  border-bottom: 1px solid var(--c-line-soft);
  border-radius: 12px;
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .hours-list__item:last-child {
  border-bottom-color: transparent;
}

.page-contact .hours-list__item:hover {
  background: rgba(200, 162, 74, 0.1);
}

.page-contact .hours-list__time {
  color: var(--gold);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
}

.page-contact .hours-list__item--wine .hours-list__time {
  color: var(--wine);
}

.page-contact .hours-list__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 反馈与合作 ---------- */

.page-contact .contact-section--collab .section-head__title {
  color: var(--ivory);
}

.page-contact .contact-section--collab .section-head__lead {
  color: rgba(244, 239, 230, 0.72);
}

.page-contact .collab-grid {
  display: grid;
  gap: 18px;
  margin-top: 36px;
}

.page-contact .collab-card {
  min-width: 0;
  padding: 26px 26px 28px;
  background: var(--ink-2);
  border: 1px solid rgba(200, 162, 74, 0.22);
  border-radius: var(--radius-lg);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-contact .collab-card:hover {
  border-color: rgba(200, 162, 74, 0.55);
  transform: translateY(-3px);
}

.page-contact .collab-card__num {
  color: var(--gold);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
}

.page-contact .collab-card__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--ivory);
}

.page-contact .collab-card__text {
  margin: 10px 0 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: rgba(244, 239, 230, 0.7);
}

.page-contact .collab-card__text a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .collab-card__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .collab-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  line-height: 1.72;
  color: rgba(244, 239, 230, 0.84);
}

.page-contact .collab-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

.page-contact .collab-note {
  margin: 28px 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: rgba(244, 239, 230, 0.58);
}

.page-contact .collab-note a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 通信地址与邮寄 ---------- */

.page-contact .post {
  display: grid;
  gap: 34px;
}

.page-contact .post__figure {
  margin: 0;
  max-width: 420px;
}

.page-contact .post__facts {
  margin: 28px 0 0;
  display: grid;
}

.page-contact .post__fact {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--c-line-soft);
}

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

.page-contact .post__fact dt {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .post__fact dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-body-strong);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
  }

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

  .page-contact .collab-card:nth-child(3) {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 150px 0 72px;
  }

  .page-contact .contact-section {
    padding: 88px 0;
  }

  .page-contact .folio {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
  }

  .page-contact .folio__col--left {
    padding-right: 52px;
    border-right: 1px solid var(--c-line);
  }

  .page-contact .folio__col--right {
    padding-left: 52px;
  }

  .page-contact .post {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-contact .collab-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .collab-card:nth-child(1) {
    grid-column: span 2;
  }

  .page-contact .collab-card:nth-child(2) {
    grid-column: span 1;
  }

  .page-contact .collab-card:nth-child(3) {
    grid-column: span 3;
  }

  .page-contact .collab-card:nth-child(3) .collab-card__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 32px;
  }
}

@media (max-width: 419px) {
  .page-contact .contact-hero__rule-word {
    font-size: 0.92rem;
    letter-spacing: 0.18em;
  }

  .page-contact .topic .disclosure__summary {
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-contact .topic .disclosure__count {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero::before {
    animation: none;
    opacity: 0.75;
  }

  .page-contact .channel,
  .page-contact .collab-card,
  .page-contact .hours-list__item {
    transition: none;
  }

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