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

.page-contact .contact-crumbs {
  padding-top: clamp(14px, 2.4vw, 22px);
  padding-bottom: 10px;
}

.page-contact .contact-crumbs .breadcrumbs a {
  color: var(--clay);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-top: 1px solid var(--sand);
  border-bottom: 3px solid var(--orange);
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--deep);
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.86) contrast(1.06);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(112deg, rgba(14, 42, 66, 0.95) 0%, rgba(14, 42, 66, 0.78) 44%, rgba(166, 58, 40, 0.52) 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: clamp(320px, 46vw, 470px);
  padding-top: clamp(56px, 9vw, 104px);
  padding-bottom: clamp(30px, 5vw, 54px);
}

.page-contact .contact-hero__inner .eyebrow {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.page-contact .contact-hero__inner h1 {
  margin: 0;
  max-width: 15em;
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 18px rgba(14, 42, 66, 0.45);
}

.page-contact .contact-hero__lead {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 40em;
  color: rgba(247, 243, 234, 0.9);
  font-family: var(--font-serif);
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.85;
}

.page-contact .contact-hero__meta {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--orange);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
}

/* ---------- 章节跳转 ---------- */

.page-contact .contact-jump {
  background: var(--paper-dim);
  border-bottom: 1px solid var(--sand);
}

.page-contact .contact-jump__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-contact .contact-jump__link {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--sand);
  background: var(--paper);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-contact .contact-jump__link:hover,
.page-contact .contact-jump__link:focus-visible {
  border-color: var(--orange);
  color: var(--clay);
}

.page-contact .contact-jump__link[aria-current="location"] {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--paper);
}

/* ---------- 通用章节节奏 ---------- */

.page-contact .section-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .section-head__num {
  font-family: var(--font-mono);
  color: var(--clay);
}

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

/* ---------- 01 三条渠道 ---------- */

.page-contact .contact-channels {
  padding-block: clamp(40px, 6.5vw, 80px) clamp(34px, 5vw, 62px);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--sand);
  border: 1px solid var(--deep);
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--paper);
}

.page-contact .channel--paper {
  background: var(--paper);
}

.page-contact .channel--sand {
  background: var(--paper-dim);
}

.page-contact .channel--deep {
  background: var(--deep);
  color: var(--paper);
  border-left: 4px solid var(--clay);
}

.page-contact .channel__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sky);
}

.page-contact .channel--deep .channel__kicker {
  color: var(--amber);
}

.page-contact .channel__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--deep);
}

.page-contact .channel--deep .channel__title {
  color: var(--white);
}

.page-contact .channel__value {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.22rem);
  line-height: 1.45;
  letter-spacing: 0.01em;
  word-break: break-word;
}

.page-contact .channel__value a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 2px solid rgba(30, 111, 168, 0.28);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .channel__value a:hover,
.page-contact .channel__value a:focus-visible {
  color: var(--clay);
  border-color: var(--orange);
}

.page-contact .channel__value--static {
  color: var(--white);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.8vw, 1.14rem);
  letter-spacing: 0.01em;
}

.page-contact .channel__note {
  margin: 0;
  color: #4a525a;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-contact .channel--deep .channel__note {
  color: rgba(247, 243, 234, 0.78);
}

.page-contact .contact-copy {
  align-self: flex-start;
  margin-top: 8px;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  border-radius: 0;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-contact .contact-copy[data-copied] {
  border-color: var(--jade);
  color: var(--jade-deep);
  background: rgba(23, 133, 91, 0.08);
}

.page-contact .channel--deep .contact-copy {
  border-color: rgba(247, 243, 234, 0.5);
  color: var(--paper);
}

/* ---------- 02 咨询方向 ---------- */

.page-contact .contact-directions {
  padding-block: clamp(36px, 5.5vw, 70px);
  background: var(--paper-dim);
  border-top: 1px solid var(--sand);
  border-bottom: 1px solid var(--sand);
}

.page-contact .contact-directions__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-contact .dir {
  border-top: 1px solid var(--sand);
  background: transparent;
}

.page-contact .dir:last-of-type {
  border-bottom: 1px solid var(--sand);
}

.page-contact .dir__summary {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 12px;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.2s ease;
}

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

.page-contact .dir__summary:hover {
  background: rgba(30, 111, 168, 0.06);
}

.page-contact .dir__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--clay);
  border: 1px solid var(--clay);
  padding: 1px 6px;
  line-height: 1.5;
}

.page-contact .dir__name {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1rem, 1.8vw, 1.1rem);
  color: var(--deep);
}

.page-contact .dir__hint {
  flex: 1 1 200px;
  color: #5b636b;
  font-size: 0.86rem;
  line-height: 1.6;
}

.page-contact .dir__mark {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
}

.page-contact .dir__mark::before {
  content: "+";
}

.page-contact .dir[open] .dir__mark::before {
  content: "–";
}

.page-contact .dir__body {
  padding: 2px 2px 22px;
  animation: contact-fade-up 0.32s ease both;
}

.page-contact .dir__body p {
  margin: 0 0 10px;
  max-width: 34em;
  font-family: var(--font-serif);
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .dir__route {
  padding-top: 10px;
  border-top: 1px dashed var(--sand);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--deep);
}

.page-contact .dir__route a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 2px solid rgba(30, 111, 168, 0.28);
}

.page-contact .dir__route a:hover,
.page-contact .dir__route a:focus-visible {
  color: var(--clay);
  border-color: var(--orange);
}

.page-contact .directions__aside {
  border: 1px solid var(--sand);
  background: var(--paper);
  padding: 12px;
}

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

.page-contact .directions__caption {
  margin: 12px 2px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: #5b636b;
}

@keyframes contact-fade-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 03 支持时段 ---------- */

.page-contact .contact-hours {
  padding-block: clamp(38px, 5.5vw, 72px);
}

.page-contact .contact-hours__board {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 3vw, 34px);
  padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(118deg, var(--deep) 0%, #143451 58%, #1d4a6d 100%);
  border: 1px solid var(--deep);
  border-left: 5px solid var(--orange);
}

.page-contact .contact-hours__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 6vw, 3.1rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--mint);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-hours__copy p {
  margin: 0 0 10px;
  max-width: 36em;
  color: rgba(247, 243, 234, 0.86);
  font-family: var(--font-serif);
  font-size: 0.98rem;
  line-height: 1.85;
}

.page-contact .contact-hours__copy p:last-child {
  margin-bottom: 0;
}

/* ---------- 04 合作 ---------- */

.page-contact .contact-coop {
  padding-block: clamp(36px, 5.5vw, 68px);
}

.page-contact .contact-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--sand);
  border: 1px solid var(--sand);
}

.page-contact .contact-coop__col {
  padding: clamp(20px, 3vw, 32px);
  background: var(--paper);
}

.page-contact .contact-coop__col--deep {
  background: var(--paper-dim);
  border-top: 3px solid var(--sky);
}

.page-contact .contact-coop__h {
  margin: 0 0 16px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--deep);
}

.page-contact .contact-coop__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .contact-coop__list li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--ink);
}

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

.page-contact .contact-coop__col--deep .contact-coop__list li::before {
  background: var(--sky);
}

.page-contact .contact-coop__list strong {
  color: var(--clay);
  font-weight: 700;
}

.page-contact .contact-coop__key {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 7px;
  background: var(--deep);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

.page-contact .contact-coop__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--sand);
  font-family: var(--font-serif);
  font-size: 0.92rem;
  line-height: 1.8;
  color: #4a525a;
}

.page-contact .contact-coop__note a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 2px solid rgba(30, 111, 168, 0.28);
}

.page-contact .contact-coop__note a:hover,
.page-contact .contact-coop__note a:focus-visible {
  color: var(--clay);
  border-color: var(--orange);
}

/* ---------- 05 提交准备 ---------- */

.page-contact .contact-prep {
  padding-block: clamp(36px, 5.5vw, 68px) clamp(46px, 7vw, 88px);
  background: var(--paper-dim);
  border-top: 1px solid var(--sand);
}

.page-contact .contact-prep__lead {
  margin: -8px 0 clamp(20px, 3vw, 30px);
  max-width: 34em;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.85;
  color: #3d454d;
}

.page-contact .contact-prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--sand);
  border: 1px solid var(--sand);
  counter-reset: none;
}

.page-contact .contact-prep__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: clamp(16px, 2.6vw, 24px);
  background: var(--paper);
}

.page-contact .contact-prep__num {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-prep__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  color: var(--deep);
}

.page-contact .contact-prep__body p {
  margin: 0;
  max-width: 40em;
  font-family: var(--font-serif);
  font-size: 0.94rem;
  line-height: 1.82;
  color: #3d454d;
}

.page-contact .contact-prep__body a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 2px solid rgba(30, 111, 168, 0.28);
}

.page-contact .contact-prep__body a:hover,
.page-contact .contact-prep__body a:focus-visible {
  color: var(--clay);
  border-color: var(--orange);
}

/* ---------- 站点信息条 ---------- */

.page-contact .site-meta {
  background: var(--clay-deep);
  border-top: 3px solid var(--orange);
  padding-block: clamp(20px, 3.4vw, 32px);
}

.page-contact .site-meta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
}

.page-contact .site-meta__item {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: rgba(247, 243, 234, 0.82);
}

.page-contact .site-meta__item strong {
  color: var(--white);
  font-weight: 700;
}

.page-contact .site-meta__sep {
  width: 1px;
  height: 14px;
  background: var(--sand);
  opacity: 0.45;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .contact-coop__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-hours__board {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-directions__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 520px) {
  .page-contact .contact-hero__inner h1 {
    font-size: clamp(1.72rem, 8.4vw, 2.3rem);
  }

  .page-contact .contact-hours__time {
    font-size: clamp(1.6rem, 9vw, 2.2rem);
  }

  .page-contact .dir__hint {
    flex-basis: 100%;
    order: 3;
  }

  .page-contact .dir__mark {
    order: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .dir__body {
    animation: none;
  }

  .page-contact .contact-jump__link,
  .page-contact .contact-copy,
  .page-contact .channel__value a {
    transition: none;
  }
}