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

.page-contact .breadcrumb {
  margin-top: clamp(14px, 2.5vw, 26px);
  margin-bottom: clamp(6px, 1.5vw, 14px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-top: clamp(18px, 3vw, 34px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -8% -14% 14%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 62% at 84% 14%, rgba(200, 154, 75, .18), transparent 72%),
    radial-gradient(52% 56% at 4% 4%, rgba(178, 58, 46, .09), transparent 74%);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .hero-lead {
  margin: clamp(14px, 2vw, 20px) 0 clamp(26px, 3.4vw, 42px);
  max-width: 60ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .channel-stack {
  display: grid;
  gap: 0;
}

.page-contact .channel {
  padding: clamp(18px, 2.4vw, 28px) 0 clamp(16px, 2.2vw, 24px);
  border-top: 1px solid var(--line-gold);
  transition: border-color 200ms var(--ease);
}

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

.page-contact .channel:hover {
  border-top-color: var(--cinnabar);
}

.page-contact .channel__label {
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--stone);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.2vw, 30px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .channel__bar {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.page-contact .copy-note {
  min-height: 1em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--turquoise);
}

.page-contact .channel__hint {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

/* 服务台卡片 */

.page-contact .desk-card {
  padding: clamp(12px, 1.8vw, 18px);
  background: rgba(255, 255, 255, .58);
  border: 1px solid var(--line-gold);
  box-shadow: 0 24px 48px -38px rgba(27, 23, 20, .62);
  backdrop-filter: blur(6px);
}

.page-contact .desk-card .media-frame {
  margin: 0 0 clamp(12px, 1.8vw, 18px);
}

.page-contact .desk-fact {
  display: grid;
  gap: 3px;
  padding: 12px 2px;
  border-top: 1px dashed rgba(110, 106, 99, .3);
}

.page-contact .desk-fact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--stone);
}

.page-contact .desk-fact__val {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink);
}

/* ---------- 渠道分工 ---------- */

.page-contact .guide-head {
  max-width: 66ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-contact .guide-sub,
.page-contact .response-sub {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .guide-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}

.page-contact .guide-panel {
  padding: clamp(20px, 3vw, 34px);
  background: rgba(255, 255, 255, .5);
  border-left: 2px solid var(--gold);
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .guide-panel--alt {
  background: rgba(169, 102, 74, .11);
  border-left-color: var(--clay);
}

.page-contact .guide-panel:hover {
  border-left-color: var(--cinnabar);
}

.page-contact .guide-panel__tag {
  margin: 0 0 clamp(14px, 2vw, 22px);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--stone);
}

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

.page-contact .guide-item {
  padding: 14px 0;
  border-top: 1px solid rgba(200, 154, 75, .26);
}

.page-contact .guide-item:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .guide-item__title {
  margin: 0 0 5px;
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.5vw, 19px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .guide-item__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 地址与来访 ---------- */

.page-contact .address-grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
  align-items: start;
}

.page-contact .address-line {
  margin: clamp(14px, 2vw, 20px) 0 12px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.6vw, 15px);
  letter-spacing: .02em;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  border-left: 3px solid var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .address-copy {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .address-figure {
  margin: 0;
}

.page-contact .address-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--stone);
}

/* 折叠面板 */

.page-contact .fold {
  background: rgba(232, 223, 209, .44);
  border: 1px solid var(--line-gold);
  transition: border-color 200ms var(--ease);
}

.page-contact .fold:hover {
  border-color: rgba(178, 58, 46, .55);
}

.page-contact .fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .07em;
  color: var(--ink);
}

.page-contact .fold > summary::-webkit-details-marker {
  display: none;
}

.page-contact .fold > summary::after {
  content: "＋";
  font-family: var(--font-sans);
  color: var(--gold);
}

.page-contact .fold[open] > summary::after {
  content: "－";
}

.page-contact .fold[open] > summary {
  border-bottom: 1px solid var(--line-gold);
  color: var(--cinnabar);
}

.page-contact .fold__body {
  padding: 16px;
}

.page-contact .fold__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

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

/* ---------- 回复节奏 ---------- */

.page-contact .response-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-gold);
}

.page-contact .flow-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid rgba(200, 154, 75, .24);
  transition: background-color 200ms var(--ease);
}

.page-contact .flow-item:hover {
  background: rgba(232, 223, 209, .42);
}

.page-contact .flow-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: 4px;
}

.page-contact .flow-item__body h3 {
  margin: 0 0 5px;
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.5vw, 19px);
  font-weight: 600;
  color: var(--ink);
}

.page-contact .flow-item__body p {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 邮件模板 ---------- */

.page-contact .template-grid {
  display: grid;
  gap: clamp(22px, 3.2vw, 40px);
  align-items: start;
}

.page-contact .template-intro p {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .template-tip a {
  color: var(--turquoise);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 125, 116, .42);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .template-tip a:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

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

.page-contact .field {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  padding: 14px 0;
  border-top: 1px solid rgba(200, 154, 75, .26);
}

.page-contact .field:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .field__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: 3px;
}

.page-contact .field__name {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .field__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 常见问题 ---------- */

.page-contact .faq-head {
  max-width: 60ch;
  margin-bottom: clamp(20px, 2.8vw, 34px);
}

.page-contact .faq-list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-gold);
}

.page-contact .faq-item {
  padding: clamp(15px, 2vw, 21px) 0;
  border-bottom: 1px solid rgba(200, 154, 75, .24);
}

.page-contact .faq-item dt {
  font-family: var(--font-serif);
  font-size: clamp(15.5px, 1.4vw, 18px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .faq-item dd {
  margin: 7px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 延伸入口 ---------- */

.page-contact .desk-links {
  padding-top: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-contact .desk-links__row {
  margin-top: clamp(14px, 2vw, 22px);
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-gold);
}

.page-contact .desk-link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  padding: 15px 4px;
  border-bottom: 1px solid rgba(200, 154, 75, .24);
  text-decoration: none;
  color: var(--ink);
  transition: background-color 180ms var(--ease), border-bottom-color 180ms var(--ease);
}

.page-contact .desk-link:hover {
  background: rgba(232, 223, 209, .5);
  border-bottom-color: var(--cinnabar);
}

.page-contact .desk-link__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: 3px;
}

.page-contact .desk-link__title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
}

.page-contact .desk-link:hover .desk-link__title {
  color: var(--cinnabar);
}

.page-contact .desk-link__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .back-top {
  margin: clamp(22px, 3vw, 34px) 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
}

.page-contact .back-top a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: color 180ms var(--ease), border-bottom-color 180ms var(--ease);
}

.page-contact .back-top a:hover {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* ---------- 桌面端栅格 ---------- */

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

  .page-contact .template-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .page-contact .desk-links__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }
}

@media (min-width: 1000px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, 1fr);
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .flow-item {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 6px 24px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .guide-panel,
  .page-contact .fold,
  .page-contact .flow-item,
  .page-contact .desk-link,
  .page-contact .back-top a,
  .page-contact .template-tip a {
    transition: none;
  }
}
<<<END>>>