.page-contact {
  --contact-grid: rgba(12, 107, 63, 0.06);
  --contact-soft: rgba(207, 227, 214, 0.6);
  --contact-shadow: 0 12px 30px -20px rgba(10, 13, 16, 0.55);
  display: block;
  padding-bottom: 80px;
  background-color: var(--white);
  background-image:
    linear-gradient(var(--contact-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: -1px -1px;
  color: var(--ink);
}

.page-contact .crumbs {
  margin: 22px 0 30px;
}

/* ---------- 首屏声明 ---------- */

.page-contact .contact-intro {
  max-width: 82ch;
  margin-bottom: 34px;
}

.page-contact .contact-intro__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-contact .contact-intro__title {
  margin: 0 0 20px;
  font-size: clamp(30px, 5.6vw, 62px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .contact-intro__lede {
  max-width: 64ch;
  margin: 0 0 30px;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .contact-intro__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  margin: 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .intro-fact {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-contact .intro-fact__num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--green);
}

.page-contact .intro-fact__unit {
  font-size: 13px;
  color: var(--muted);
}

.page-contact .intro-fact__cap {
  margin-left: 2px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 横幅图 ---------- */

.page-contact .contact-banner {
  margin: 0 0 64px;
  border-radius: var(--r-md);
  overflow: hidden;
}

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

/* ---------- 章节统一节奏 ---------- */

.page-contact .contact-block {
  margin-bottom: 68px;
}

.page-contact .contact-block .section-head {
  margin-bottom: 28px;
}

.page-contact .contact-block .section-title {
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin: 6px 0 14px;
  color: var(--ink);
}

.page-contact .contact-block .lede {
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

/* ---------- 01 三条通道 ---------- */

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #ffffff;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--contact-shadow);
}

.page-contact .channel-card--mail {
  border-color: transparent;
  background: linear-gradient(128deg, var(--green-deep) 0%, var(--green) 58%, var(--indigo) 100%);
  color: var(--white);
}

.page-contact .channel-card--mail:hover,
.page-contact .channel-card--mail:focus-within {
  border-color: var(--yellow-deep);
}

.page-contact .channel-card__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-contact .channel-card--mail .channel-card__label {
  color: var(--yellow);
}

.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.5vw, 26px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: inherit;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-card--addr .channel-card__value {
  font-family: var(--font-sans);
  font-size: clamp(17px, 2vw, 21px);
  letter-spacing: 0.01em;
}

.page-contact .channel-card__cap {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .channel-card--mail .channel-card__cap {
  color: rgba(245, 247, 244, 0.84);
}

.page-contact .channel-card__meta {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-invert);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yellow);
}

.page-contact .channel-detail {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .channel-detail summary {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--green);
  transition: color 140ms ease;
}

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

.page-contact .channel-detail summary::before {
  content: "+";
  flex: none;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border: 1px solid var(--green);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

.page-contact .channel-detail[open] summary::before {
  content: "–";
  background: var(--green);
  color: var(--white);
}

.page-contact .channel-detail summary:hover {
  color: var(--yellow-deep);
}

.page-contact .channel-detail summary:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-contact .channel-detail p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

@media (min-width: 780px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }
  .page-contact .channel-card--mail {
    grid-column: span 12;
    padding: 30px 30px 26px;
  }
  .page-contact .channel-card--phone {
    grid-column: span 4;
  }
  .page-contact .channel-card--addr {
    grid-column: span 8;
  }
}

/* ---------- 02 受理边界 ---------- */

.page-contact .scope-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .scope-panel {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-contact .scope-panel--in {
  background: var(--contact-soft);
  border-color: rgba(12, 107, 63, 0.26);
}

.page-contact .scope-panel--out {
  background: #ffffff;
  border-left: 5px solid var(--wine);
}

.page-contact .scope-panel__title {
  margin: 0 0 18px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.07em;
}

.page-contact .scope-panel--in .scope-panel__title {
  color: var(--green-deep);
}

.page-contact .scope-panel--out .scope-panel__title {
  color: var(--wine);
}

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

.page-contact .scope-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.62;
  color: var(--ink);
}

.page-contact .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
}

.page-contact .scope-panel--in .scope-list li::before {
  background: var(--green);
}

.page-contact .scope-panel--out .scope-list li::before {
  background: var(--wine);
}

@media (min-width: 760px) {
  .page-contact .scope-grid {
    grid-template-columns: 1.18fr 1fr;
    gap: 22px;
  }
}

/* ---------- 03 提交清单 ---------- */

.page-contact .check-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: #ffffff;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 15px;
  align-items: start;
  padding: 17px 18px;
  border-bottom: 1px solid var(--line);
  transition: background-color 150ms ease;
}

.page-contact .check-item:last-child {
  border-bottom: 0;
}

.page-contact .check-item:hover {
  background: rgba(207, 227, 214, 0.34);
}

.page-contact .check-item__box {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--line-strong);
  border-radius: 5px;
  background: #ffffff;
  transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease;
}

.page-contact .check-item:hover .check-item__box {
  border-color: var(--yellow-deep);
  background: rgba(242, 194, 48, 0.28);
  box-shadow: inset 0 0 0 3px #ffffff;
}

.page-contact .check-item__body {
  font-size: 15px;
  line-height: 1.68;
  color: var(--ink);
}

.page-contact .check-item__body b {
  display: block;
  margin-bottom: 5px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--green);
}

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

.page-contact .check-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  background: var(--ink);
}

.page-contact .check-figure .figure-frame__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-contact .check-grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
    gap: 34px;
  }
}

/* ---------- 04 回信节奏 ---------- */

.page-contact .reply-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 3px solid var(--ink);
}

.page-contact .reply-step {
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line);
}

.page-contact .reply-step:last-child {
  border-bottom: 0;
}

.page-contact .reply-step__idx {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--yellow-deep);
}

.page-contact .reply-step h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .reply-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

@media (min-width: 820px) {
  .page-contact .reply-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .reply-step {
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 24px 22px 6px;
  }
  .page-contact .reply-step:first-child {
    border-left: 0;
    padding-left: 0;
  }
  .page-contact .reply-step:last-child {
    padding-right: 0;
  }
}

/* ---------- 服务地区与备案 ---------- */

.page-contact .region-strip {
  margin-bottom: 60px;
  padding: 22px 24px;
  border-left: 6px solid var(--wine);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: #ffffff;
  box-shadow: var(--contact-shadow);
}

.page-contact .region-strip__lead {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--wine);
}

.page-contact .region-strip__body {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .region-strip__icp {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .region-strip__code {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

/* ---------- 相关页面 ---------- */

.page-contact .contact-links {
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-links__title {
  margin: 0 0 18px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-contact .contact-links__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  max-width: 76ch;
}

.page-contact .contact-links__list li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-links__list .link {
  font-weight: 700;
}

.page-contact .contact-links__list .link:focus-visible,
.page-contact .channel-detail summary:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 3px;
}

/* ---------- 动效削减 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .check-item,
  .page-contact .check-item__box,
  .page-contact .channel-detail summary {
    transition: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}
<<<END>>>