.page-contact {
  --c-radius: 26px;
  --c-amber-ink: #8A5B10;
  --c-paper-body: #3F3A31;
  --c-paper-rule: rgba(20, 17, 12, .18);
  position: relative;
  padding-block: 26px 84px;
  overflow-x: clip;
}

.page-contact .contact-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}
.page-contact .contact-crumb a {
  color: var(--mist);
  text-decoration: none;
}
.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  color: var(--cyan);
}
.page-contact .contact-crumb [aria-current="page"] {
  color: var(--paper);
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}
.page-contact .contact-col {
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 8.8vw, 72px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-contact .contact-hero .lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}
.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-sec {
  margin-top: 52px;
}
.page-contact .contact-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.2vw, 34px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-contact .sec-sub {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 三条通道 ---------- */
.page-contact .channels {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.page-contact .channel {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--c-radius);
  transition: border-color .22s var(--ease), background .22s var(--ease);
}
.page-contact .channel:hover {
  border-color: rgba(59, 240, 206, .5);
}
.page-contact .channel__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  border-radius: var(--c-radius);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.page-contact .channel__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.page-contact .channel__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(59, 240, 206, .42);
  background: rgba(59, 240, 206, .07);
  color: var(--cyan);
}
.page-contact .channel__icon svg {
  width: 20px;
  height: 20px;
  display: block;
}
.page-contact .channel__label {
  display: grid;
  gap: 5px;
  min-width: 0;
}
.page-contact .channel__kicker {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.4;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .channel__value--text {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: .01em;
}
.page-contact .channel__chev {
  flex: none;
  margin-left: auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  position: relative;
}
.page-contact .channel__chev::before {
  content: "+";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--cyan);
}
.page-contact .channel__trigger[aria-expanded="true"] .channel__chev::before {
  content: "–";
}
.page-contact .channel__panel-inner {
  padding: 0 18px 20px 18px;
  border-top: 1px solid transparent;
}
.page-contact .channel__panel-inner p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}
.page-contact .channel__panel-inner p:last-child {
  margin-bottom: 0;
}
.page-contact .channel__panel-inner a {
  color: var(--cyan);
}
.page-contact .channel__act {
  margin-top: 14px !important;
}
.page-contact .btn--small {
  padding: 9px 16px;
  font-size: 13px;
}

/* ---------- 邮件写法（浅色反转区） ---------- */
.page-contact .contact-sec--paper {
  background: var(--paper);
  border-radius: var(--c-radius);
  padding: 26px 20px 30px;
  color: var(--paper-ink);
}
.page-contact .contact-sec--paper h2 {
  color: var(--paper-ink);
  margin-top: 10px;
}
.page-contact .contact-sec--paper p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-paper-body);
}
.page-contact .contact-sec--paper .eyebrow {
  color: var(--c-amber-ink);
}
.page-contact .sample {
  margin-top: 20px;
  border: 1px solid var(--c-paper-rule);
  border-radius: var(--r-lg);
  background: #E8E0CF;
  overflow: hidden;
}
.page-contact .sample__row {
  display: grid;
  gap: 3px;
  padding: 12px 16px;
}
.page-contact .sample__row + .sample__row {
  border-top: 1px dashed rgba(20, 17, 12, .22);
}
.page-contact .sample__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-amber-ink);
}
.page-contact .sample__v {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--paper-ink);
  overflow-wrap: anywhere;
}
.page-contact .mail__tips {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}
.page-contact .mail__tips li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-paper-body);
}
.page-contact .mail__tips li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--orange);
}
.page-contact .mail__tips strong {
  color: var(--paper-ink);
  font-weight: 700;
}

/* ---------- 服务时段 ---------- */
.page-contact .hours__grid {
  display: grid;
  gap: 26px;
}
.page-contact .hours__text p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}
.page-contact .hours__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--hairline);
}
.page-contact .hours__list li {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px solid var(--hairline);
}
.page-contact .hours__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber);
}
.page-contact .hours__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .hours__media {
  margin: 0;
  border-radius: var(--c-radius);
  border: 1px solid var(--hairline);
  overflow: hidden;
  background: var(--panel);
}
.page-contact .hours__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-contact .hours__media .media-frame__cap {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-sec--slate {
  background: var(--slate);
  border: 1px solid var(--hairline);
  border-radius: var(--c-radius);
  padding: 26px 20px 12px;
}
.page-contact .flow {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}
.page-contact .flow__item {
  position: relative;
  padding: 0 0 26px 54px;
}
.page-contact .flow__item::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 34px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--hairline), rgba(30, 90, 80, 0));
}
.page-contact .flow__item:last-child::before {
  display: none;
}
.page-contact .flow__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  border: 1px solid rgba(255, 107, 53, .55);
  background: rgba(255, 107, 53, .1);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--orange);
  transition: border-color .22s var(--ease), color .22s var(--ease), background .22s var(--ease);
}
.page-contact .flow__item--done .flow__num {
  border-color: rgba(59, 240, 206, .6);
  background: rgba(59, 240, 206, .1);
  color: var(--cyan);
}
.page-contact .flow__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--paper);
}
.page-contact .flow__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}
.page-contact .flow__item:hover .flow__num {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 来信地址 ---------- */
.page-contact .address__banner {
  position: relative;
  border-radius: var(--c-radius);
  border: 1px solid var(--hairline);
  overflow: hidden;
  background: var(--ink);
}
.page-contact .address__banner img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  opacity: .38;
  filter: saturate(.7);
}
.page-contact .address__banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 16, 12, .2), rgba(4, 16, 12, .9));
  pointer-events: none;
}
.page-contact .address__banner-tag {
  position: absolute;
  left: 18px;
  bottom: 14px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--cyan);
}
.page-contact .address__card {
  position: relative;
  margin: -20px 10px 0;
  padding: 22px 18px 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-panel);
  background-color: var(--panel);
  background-image:
    linear-gradient(rgba(30, 90, 80, .38) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 90, 80, .38) 1px, transparent 1px);
  background-size: 26px 26px;
}
.page-contact .address__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--paper);
}
.page-contact .address__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}
.page-contact .address__value {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 4.8vw, 30px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-contact .address__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 合作与媒体 ---------- */
.page-contact .partner__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .partner__item {
  padding: 16px 16px 18px;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: var(--panel);
}
.page-contact .partner__item h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}
.page-contact .partner__item p {
  margin: 8px 0 0;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--mist);
}
.page-contact .partner__subject {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--amber);
}
.page-contact .partner__mail {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--mist);
  overflow-wrap: anywhere;
}
.page-contact .partner__mail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 206, .4);
}
.page-contact .partner__mail a:hover,
.page-contact .partner__mail a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 页尾小注 ---------- */
.page-contact .contact-foot-note {
  margin: 40px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}
.page-contact .contact-foot-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 206, .35);
}
.page-contact .contact-foot-note a:hover,
.page-contact .contact-foot-note a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 右侧品牌轨道 ---------- */
.page-contact .contact-rail {
  display: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .hours__list li {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
  .page-contact .channel__panel-inner {
    padding-left: 74px;
  }
  .page-contact .sample__row {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
  .page-contact .partner__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-contact .contact-sec--paper,
  .page-contact .contact-sec--slate {
    padding: 34px 32px 36px;
  }
  .page-contact .channel__value {
    font-size: 16px;
  }
  .page-contact .channel__value--text {
    font-size: 16px;
  }
  .page-contact .channel__trigger {
    padding: 20px 22px;
  }
  .page-contact .address__banner img {
    height: 240px;
  }
  .page-contact .address__card {
    margin: -28px 24px 0;
    padding: 28px 26px 30px;
  }
  .page-contact .partner__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .hours__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    gap: 38px;
    align-items: start;
  }
  .page-contact .contact-sec {
    margin-top: 62px;
  }
}

@media (min-width: 1100px) {
  .page-contact {
    padding-block: 34px 110px;
  }
  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 720px) minmax(120px, 1fr);
    gap: 64px;
  }
  .page-contact .contact-rail {
    display: grid;
    justify-items: end;
    align-content: start;
    gap: 20px;
    position: sticky;
    top: 40px;
    padding-top: 8px;
  }
  .page-contact .rail-brand {
    margin: 0;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .36em;
    color: var(--mist);
    opacity: .7;
  }
  .page-contact .rail-rule {
    width: 1px;
    height: 78px;
    background: linear-gradient(180deg, var(--cyan), rgba(59, 240, 206, 0));
  }
  .page-contact .rail-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
    justify-items: end;
    text-align: right;
  }
  .page-contact .rail-links a {
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--mist);
    text-decoration: none;
    border-bottom: 1px solid transparent;
  }
  .page-contact .rail-links a:hover,
  .page-contact .rail-links a:focus-visible {
    color: var(--cyan);
    border-bottom-color: var(--cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .flow__num {
    transition: none;
  }
}
<<<END>>>