.page-contact .contact-intro {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
}

.page-contact h1 {
  font-size: clamp(30px, 5.6vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 10px 0 16px;
  color: var(--white);
  max-width: 18em;
}

.page-contact .contact-lede {
  color: var(--mist);
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.8;
  margin: 0 0 clamp(24px, 4vw, 36px);
  max-width: 40em;
}

/* 联系方式主卡 */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  isolation: isolate;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--yellow), var(--red));
  z-index: 3;
}

.page-contact .contact-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  z-index: 0;
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, rgba(11, 31, 26, 0.72), rgba(7, 17, 14, 0.94));
  z-index: 1;
}

.page-contact .contact-grid {
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 260px;
  height: 260px;
  color: var(--cyan);
  opacity: 0.14;
  z-index: 2;
  pointer-events: none;
}

.page-contact .contact-card-body {
  position: relative;
  z-index: 4;
  padding: clamp(22px, 3.6vw, 40px);
}

.page-contact .contact-row {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-bottom: 1px solid rgba(29, 74, 61, 0.85);
}

.page-contact .contact-row:first-child {
  padding-top: 0;
}

.page-contact .contact-row--last {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-key {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--data);
  font-weight: 700;
}

.page-contact .contact-val {
  color: var(--white);
  font-size: 15px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.page-contact .contact-val--mail {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  letter-spacing: 0.01em;
}

.page-contact .contact-val--tel {
  font-family: var(--font-mono);
  font-size: clamp(28px, 6.4vw, 46px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--yellow);
}

.page-contact .contact-val--plain {
  color: var(--mist);
}

.page-contact .contact-hint {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--data);
}

/* 轮值侧栏 */
.page-contact .duty-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(18, 49, 41, 0.78);
  padding: clamp(20px, 3vw, 34px);
  position: relative;
  overflow: hidden;
}

.page-contact .duty-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--yellow);
}

.page-contact .duty-card h2 {
  font-size: clamp(21px, 2.6vw, 27px);
  line-height: 1.32;
  margin: 10px 0 16px;
  color: var(--white);
}

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

.page-contact .duty-list li {
  position: relative;
  padding-left: 22px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.page-contact .duty-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--yellow);
}

.page-contact .duty-more {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.page-contact .duty-more summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
}

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

.page-contact .duty-more summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--yellow);
}

.page-contact .duty-more[open] summary::after {
  content: "–";
}

.page-contact .duty-more p {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .duty-foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--data);
}

.page-contact .duty-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(85, 199, 176, 0.45);
}

.page-contact .duty-foot a:hover {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* 留言准备 */
.page-contact .prep-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 22px 0 26px;
}

.page-contact .prep-status {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--data);
  margin-left: 4px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-contact .prep-item:hover {
  border-color: rgba(245, 200, 76, 0.5);
  transform: translateY(-2px);
}

.page-contact .prep-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--yellow);
  padding-top: 3px;
}

.page-contact .prep-item h3 {
  margin: 0 0 7px;
  font-size: 16px;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .prep-item p {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .prep-item a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(85, 199, 176, 0.45);
}

.page-contact .prep-item a:hover {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* 合作与纠错 */
.page-contact .partner-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
}

.page-contact .partner-lead h2 {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.28;
  margin: 10px 0 16px;
  color: var(--white);
}

.page-contact .partner-lead .prose {
  margin: 0 0 14px;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .partner-cards {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .partner-card {
  padding: 20px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .partner-card h3 {
  margin: 12px 0 8px;
  font-size: 17px;
  color: var(--white);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .partner-note {
  margin: 4px 0 0;
  font-size: 12.8px;
  line-height: 1.75;
  color: var(--data);
}

.page-contact .partner-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(85, 199, 176, 0.45);
}

.page-contact .partner-note a:hover {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* 地址信息带 */
.page-contact .address-band {
  margin-top: clamp(36px, 6vw, 72px);
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-contact .address-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--yellow) 0 50%, var(--red) 50% 100%);
}

.page-contact .address-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 44px);
  padding: clamp(28px, 5vw, 56px) 0;
  align-items: center;
}

.page-contact .address-media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
}

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

.page-contact .address-text h2 {
  font-size: clamp(20px, 3.6vw, 32px);
  line-height: 1.35;
  margin: 10px 0 14px;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .address-text p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 34em;
}

.page-contact .address-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (min-width: 700px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .partner-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .address-inner {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-side {
    position: sticky;
    top: 104px;
  }
}

@media (max-width: 420px) {
  .page-contact .contact-card-body {
    padding: 18px 16px;
  }

  .page-contact .prep-item {
    padding: 16px 15px;
  }
}
<<<END>>>