.page-contact {
  --pc-line: rgba(126, 148, 139, 0.26);
  --pc-gap: clamp(26px, 4vw, 56px);
  background: var(--ink-800);
  color: var(--fog-200);
  overflow-x: hidden;
}

.page-contact .contact-crumb {
  padding-top: 18px;
  padding-bottom: 12px;
}

/* 窄幅氛围带 */
.page-contact .contact-banner {
  position: relative;
  height: clamp(112px, 17vw, 190px);
  overflow: hidden;
  border-bottom: 1px solid var(--moss-600);
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  filter: saturate(0.68);
}

.page-contact .contact-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(8, 23, 19, 0.94) 6%, rgba(11, 31, 26, 0.32) 48%, rgba(29, 68, 56, 0.78) 100%);
}

.page-contact .contact-banner__tag {
  position: absolute;
  left: var(--gutter);
  bottom: 30px;
  z-index: 2;
  padding-left: 10px;
  border-left: 2px solid var(--cyan-400);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

/* 页首 */
.page-contact .page-header {
  padding-top: clamp(26px, 5vw, 52px);
  padding-bottom: clamp(22px, 4vw, 40px);
}

.page-contact .page-title {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 54px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper-050);
  max-width: 20ch;
}

.page-contact .page-deck {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--fog-200);
}

/* 主两栏 */
.page-contact .contact-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .contact-channels {
  border-top: 2px solid var(--cyan-400);
  padding-top: 18px;
}

.page-contact .contact-ask {
  min-width: 0;
}

/* 左侧渠道卡 */
.page-contact .channel-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .channel-card {
  padding: 18px 0 20px;
}

.page-contact .channel-card + .channel-card {
  border-top: 1px solid var(--pc-line);
}

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

.page-contact .channel-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--fog-400);
}

.page-contact .channel-value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper-050);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-value--addr {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.1vw, 18px);
  font-weight: 600;
  letter-spacing: 0;
}

.page-contact .channel-use {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--fog-400);
}

.page-contact .channel-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--fog-400);
}

/* 回复时间块 */
.page-contact .hours {
  margin-top: 26px;
  padding: 18px 18px 20px;
  background: var(--moss-700);
  border-left: 2px solid var(--cyan-400);
}

.page-contact .hours-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper-050);
}

.page-contact .hours-body {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--fog-200);
}

.page-contact .hours-meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fog-400);
}

/* 咨询要素清单 */
.page-contact .ask-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .ask-list > li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .ask-list > li:last-child {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .ask-num {
  font-size: 15px;
  font-weight: 700;
  color: var(--fog-400);
  padding-top: 3px;
}

.page-contact .ask-num::after {
  content: "";
  display: block;
  width: 22px;
  height: 1px;
  margin-top: 9px;
  background: var(--stone-300);
}

.page-contact .ask-t {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper-050);
}

.page-contact .ask-d {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--fog-400);
}

.page-contact .ask-note {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--fog-200);
}

/* 留言区 */
.page-contact .leave-form {
  margin-top: clamp(30px, 5vw, 46px);
  padding-top: 22px;
  border-top: 1px solid var(--moss-600);
}

.page-contact .leave-intro {
  margin: 10px 0 20px;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fog-200);
  overflow-wrap: anywhere;
}

.page-contact .leave-media {
  margin: 0 0 22px;
  max-width: 220px;
  overflow: hidden;
}

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

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

.page-contact .field {
  min-width: 0;
}

.page-contact .field-label {
  display: block;
  margin: 0 0 8px;
  padding: 0;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--fog-400);
}

.page-contact .field-input {
  display: block;
  box-sizing: border-box;
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--fog-400);
  border-radius: 0;
  background: var(--ink-900);
  color: var(--paper-050);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  appearance: none;
  transition: border-color 0.18s var(--ease-out), box-shadow 0.18s var(--ease-out);
}

.page-contact .field-input::placeholder {
  color: var(--fog-400);
  opacity: 0.85;
}

.page-contact .field-input:focus {
  outline: none;
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 2px rgba(53, 240, 200, 0.34);
}

.page-contact textarea.field-input {
  min-height: 106px;
  resize: vertical;
}

.page-contact .field-hint,
.page-contact .field-err {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.6;
}

.page-contact .field-hint {
  color: var(--fog-400);
}

.page-contact .field-err {
  display: none;
  position: relative;
  padding-left: 12px;
  font-weight: 600;
  color: var(--clay-500);
}

.page-contact .field-err::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clay-500);
}

.page-contact .field-input:not(:placeholder-shown):invalid ~ .field-err {
  display: block;
}

.page-contact .field-input:not(:placeholder-shown):invalid ~ .field-hint {
  display: none;
}

/* 类型胶囊 */
.page-contact .type-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .type-opt {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--fog-400);
  border-radius: 999px;
  cursor: pointer;
  font-size: 15px;
  color: var(--fog-200);
  transition: border-color 0.18s var(--ease-out), color 0.18s var(--ease-out);
}

.page-contact .type-opt input {
  appearance: none;
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin: 0;
  border: 1px solid var(--fog-400);
  border-radius: 50%;
  background: transparent;
}

.page-contact .type-opt input:checked {
  border-color: var(--amber-500);
  background: var(--amber-500);
}

.page-contact .type-opt:has(input:checked) {
  border-color: var(--cyan-400);
  color: var(--paper-050);
}

/* 类型提示 */
.page-contact .type-tips {
  margin-top: 12px;
}

.page-contact .type-tip {
  display: none;
  margin: 0;
  padding: 10px 12px;
  border-left: 2px solid var(--cyan-600);
  background: var(--moss-700);
  font-size: 15px;
  line-height: 1.66;
  color: var(--fog-200);
}

.page-contact .type-tip--data {
  display: block;
}

.page-contact .leave-form:has(#issue-schedule:checked) .type-tip--data,
.page-contact .leave-form:has(#issue-coop:checked) .type-tip--data {
  display: none;
}

.page-contact .leave-form:has(#issue-schedule:checked) .type-tip--schedule,
.page-contact .leave-form:has(#issue-coop:checked) .type-tip--coop {
  display: block;
}

/* 操作区 */
.page-contact .leave-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.page-contact .leave-submit {
  transition: opacity 0.18s var(--ease-out);
}

.page-contact .leave-form:has(.field-input:invalid) .leave-submit {
  opacity: 0.45;
}

.page-contact .leave-foot {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--fog-400);
}

/* 线索与合作 */
.page-contact .coop-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: clamp(22px, 4vw, 38px);
  background: var(--moss-700);
  border-top: 1px solid var(--moss-600);
  border-bottom: 1px solid var(--moss-600);
}

.page-contact .coop-intro p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fog-200);
}

.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .coop-list li {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--moss-600);
  font-size: 16px;
  line-height: 1.7;
  color: var(--fog-200);
}

.page-contact .coop-list .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  padding-top: 4px;
}

/* 办公与到访 */
.page-contact .visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .visit-addr {
  margin: 12px 0 14px;
  font-size: clamp(16px, 2.1vw, 19px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}

.page-contact .visit-text {
  margin: 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fog-200);
}

.page-contact .visit-details {
  align-self: start;
  padding-left: 16px;
  border-left: 2px solid var(--cyan-600);
}

.page-contact .visit-details summary {
  cursor: pointer;
  list-style: none;
  padding: 4px 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan-400);
}

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

.page-contact .visit-details summary::before {
  content: "＋";
  margin-right: 8px;
  font-family: var(--font-mono);
}

.page-contact .visit-details[open] summary::before {
  content: "－";
}

.page-contact .visit-details ul {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .visit-details li {
  position: relative;
  padding-left: 14px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--fog-200);
}

.page-contact .visit-details li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 6px;
  height: 1px;
  background: var(--stone-300);
}

/* 底部横向信息条 */
.page-contact .contact-strip {
  margin-top: clamp(30px, 5vw, 52px);
  background: var(--ink-900);
  border-top: 1px solid var(--moss-600);
  border-bottom: 1px solid var(--moss-600);
}

.page-contact .contact-strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
  padding-top: 18px;
  padding-bottom: 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--fog-400);
}

.page-contact .contact-strip__inner strong {
  font-weight: 700;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}

/* 桌面端布局 */
@media (min-width: 960px) {
  .page-contact .contact-cols {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .field-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .field--full {
    grid-column: 1 / -1;
  }
}

@media (min-width: 880px) {
  .page-contact .coop-band {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .page-contact .visit {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }
}

@media (max-width: 420px) {
  .page-contact .coop-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-contact .ask-list > li {
    grid-template-columns: 32px 1fr;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .field-input,
  .page-contact .type-opt,
  .page-contact .leave-submit {
    transition: none;
  }
}
<<<END>>>