.page-contact {
  --contact-radius: 12px;
  --contact-card-bg: rgba(247, 245, 241, .94);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

/* 统一页面宽度与左右留白 */
.page-contact > * {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-contact .breadcrumbs {
  padding-top: clamp(1rem, 2.5vw, 1.6rem);
}

/* ============ 首屏 ============ */
.page-contact .hero {
  padding-top: clamp(1.1rem, 3vw, 2rem);
  padding-bottom: clamp(1.4rem, 3.4vw, 2.4rem);
  max-width: calc(var(--maxw));
}

.page-contact .hero .eyebrow {
  color: var(--red);
  margin-bottom: .55rem;
}

.page-contact .hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 5.4vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--ink);
  margin: 0;
  max-width: 22ch;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-contact .hero .lede {
  margin-top: clamp(.8rem, 2vw, 1.1rem);
  max-width: 46rem;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .hero-meta {
  margin-top: .85rem;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--ink-blue);
  border-left: 3px solid var(--gold);
  padding-left: .6rem;
}

/* ============ 三条通道 ============ */
.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  color: var(--ink);
  margin: 0 0 clamp(.9rem, 2vw, 1.3rem);
  letter-spacing: -.01em;
}

.page-contact .channels__inner {
  position: relative;
  border-radius: var(--contact-radius);
}

.page-contact .channels__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .1;
  pointer-events: none;
  z-index: 0;
  border-radius: var(--contact-radius);
  max-width: 100%;
  height: auto;
}

.page-contact .channel-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  background: var(--contact-card-bg);
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
  box-shadow: var(--shadow-1);
  padding: 1.5rem 1.3rem 1.55rem;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
  border-color: var(--gold-30);
}

.page-contact .channel-card--mail {
  background: linear-gradient(155deg, rgba(255, 255, 255, .96) 0%, var(--contact-card-bg) 58%, rgba(217, 165, 33, .14) 100%);
  border-color: rgba(208, 30, 40, .3);
  padding-top: 2.3rem;
}

.page-contact .channel-card--mail::before {
  content: "首选渠道";
  position: absolute;
  top: 0;
  left: 0;
  background: var(--red);
  color: var(--paper);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  padding: .3rem .8rem;
  border-radius: var(--contact-radius) 0 8px 0;
}

.page-contact .channel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .channel-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: -.005em;
  color: var(--ink);
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(.92rem, 2.3vw, 1.06rem);
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
  display: inline-block;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact a.channel-value:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-contact .channel-value--static {
  border-bottom: 2px solid var(--gold);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--slate);
}

/* 地址卡的展开说明 */
.page-contact .addr-details {
  margin-top: .15rem;
}

.page-contact .addr-details summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--red);
  padding: .15rem 0;
}

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

.page-contact .addr-details summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 50%;
  background: var(--red);
  color: var(--paper);
  font-size: .78rem;
  line-height: 1;
  transition: transform .2s var(--ease);
}

.page-contact .addr-details[open] summary::before {
  content: "\2212";
  transform: rotate(180deg);
}

.page-contact .addr-details__body {
  margin: .55rem 0 0;
  font-size: .86rem;
  line-height: 1.72;
  color: var(--slate);
  border-left: 2px solid var(--gold-30);
  padding-left: .7rem;
}

/* ============ 回复时效深色带 ============ */
.page-contact .speed-bar {
  margin-top: clamp(1.8rem, 4.5vw, 2.8rem);
}

.page-contact .speed-bar__body {
  background: var(--ink-blue);
  color: var(--paper);
  border-radius: var(--contact-radius);
  padding: clamp(1.5rem, 4vw, 2.6rem);
}

.page-contact .speed-bar .eyebrow {
  color: var(--gold-light);
  margin-bottom: .5rem;
}

.page-contact .speed-bar h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  color: var(--paper);
  margin: 0 0 .8rem;
  letter-spacing: -.01em;
}

.page-contact .speed-bar__text {
  margin: 0 0 1.1rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper-70);
  max-width: 44rem;
}

.page-contact .speed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-contact .speed-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .9rem;
  line-height: 1.72;
  color: rgba(247, 245, 241, .82);
}

.page-contact .speed-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: var(--gold);
}

.page-contact .speed-list__key {
  font-weight: 700;
  color: var(--gold-light);
  margin-right: .45rem;
}

.page-contact .speed-bar__media {
  margin-top: .9rem;
  border-radius: var(--contact-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-2);
}

.page-contact .speed-bar__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ============ 受理范围 ============ */
.page-contact .scope {
  margin-top: clamp(2.2rem, 5vw, 3.6rem);
}

.page-contact .scope__head .eyebrow {
  color: var(--red);
  margin-bottom: .5rem;
}

.page-contact .scope__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3vw, 2.1rem);
  color: var(--ink);
  margin: 0 0 .7rem;
  letter-spacing: -.012em;
}

.page-contact .scope__intro {
  margin: 0;
  max-width: 44rem;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .scope__list {
  list-style: none;
  margin: clamp(1.3rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .scope__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: .5rem;
  padding: clamp(1.1rem, 3vw, 1.6rem) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .scope__index {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--gold);
  letter-spacing: .02em;
}

.page-contact .scope__body h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.08rem;
  color: var(--ink);
  letter-spacing: -.005em;
}

.page-contact .scope__body p {
  margin: 0 0 .5rem;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--ink);
  max-width: 46rem;
}

.page-contact .scope__body a {
  color: var(--red);
  text-decoration: underline;
  text-decoration-color: var(--gold-30);
  text-underline-offset: 3px;
}

.page-contact .scope__body a:hover {
  text-decoration-color: var(--red);
}

.page-contact .scope__hint {
  margin: 0;
  font-size: .85rem !important;
  line-height: 1.7;
  color: var(--slate) !important;
  padding-left: .75rem;
  border-left: 2px solid var(--gold);
}

/* ============ 投递方向 ============ */
.page-contact .routes {
  margin-top: clamp(2.2rem, 5vw, 3.6rem);
}

.page-contact .routes h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 2.9vw, 1.95rem);
  color: var(--ink);
  margin: 0 0 clamp(1.1rem, 2.6vw, 1.6rem);
  letter-spacing: -.012em;
}

.page-contact .routes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .route-card {
  position: relative;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
  padding: 1.3rem 1.2rem 1.4rem;
  box-shadow: var(--shadow-1);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .route-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-contact .route-card:nth-child(2) {
  background: var(--paper);
}

.page-contact .route-card--biz {
  background: linear-gradient(160deg, rgba(242, 212, 138, .35) 0%, var(--paper) 70%);
}

.page-contact .route-card__tag {
  display: inline-block;
  margin: 0 0 .7rem;
}

.page-contact .route-card h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--ink);
  letter-spacing: -.005em;
}

.page-contact .route-card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .routes__note {
  margin: clamp(1.1rem, 2.4vw, 1.5rem) 0 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--ink);
  padding-left: .8rem;
  border-left: 2px solid var(--red-12);
}

.page-contact .routes__note a {
  color: var(--red);
  text-decoration: underline;
  text-decoration-color: var(--gold-30);
  text-underline-offset: 3px;
}

.page-contact .routes__note a:hover {
  text-decoration-color: var(--red);
}

/* ============ 站点信息 ============ */
.page-contact .site-facts {
  margin-top: clamp(2.2rem, 5vw, 3.4rem);
  padding-top: clamp(1.2rem, 3vw, 1.8rem);
  border-top: 1px solid var(--line);
}

.page-contact .visually-quiet {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-contact .facts-list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: .55rem .9rem;
}

.page-contact .facts-item {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .02em;
  padding: .4rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .facts-item dt {
  color: var(--slate);
  min-width: 5.2rem;
}

.page-contact .facts-item dd {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  word-break: break-all;
}

.page-contact .facts-note {
  margin: clamp(1rem, 2.4vw, 1.4rem) 0 0;
  font-size: .88rem;
  line-height: 1.78;
  color: var(--slate);
  max-width: 48rem;
}

.page-contact .facts-note a {
  color: var(--red);
  text-decoration: underline;
  text-decoration-color: var(--gold-30);
  text-underline-offset: 3px;
}

.page-contact .facts-note a:hover {
  text-decoration-color: var(--red);
}

/* ============ 平板 ============ */
@media (min-width: 640px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .channel-card--mail {
    grid-column: 1 / -1;
  }

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

  .page-contact .route-card--biz {
    grid-column: 1 / -1;
  }

  .page-contact .facts-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .scope__item {
    grid-template-columns: 4.4rem 1fr;
    gap: 0 1.2rem;
  }

  .page-contact .scope__index {
    padding-top: .1rem;
  }
}

/* ============ 桌面 ============ */
@media (min-width: 960px) {
  .page-contact .hero {
    padding-bottom: clamp(1.8rem, 3.5vw, 2.6rem);
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.55fr .9fr .9fr;
    gap: 1.25rem;
    align-items: stretch;
  }

  .page-contact .channel-card--mail {
    grid-column: auto;
    padding-top: 2.5rem;
  }

  .page-contact .speed-bar {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 1.1rem;
    align-items: stretch;
  }

  .page-contact .speed-bar__media {
    margin-top: 0;
    height: 100%;
  }

  .page-contact .speed-bar__media img {
    height: 100%;
  }

  .page-contact .routes__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .route-card--biz {
    grid-column: auto;
  }

  .page-contact .facts-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .facts-item {
    flex-direction: column;
    gap: .25rem;
  }
}

/* ============ 动效尊重偏好 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .route-card,
  .page-contact .addr-details summary::before {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .route-card:hover {
    transform: none;
  }
}
<<<END>>>