.page-contact {
  padding-top: 30px;
  padding-bottom: 88px;
}

.page-contact .contact-hero {
  padding: 26px 0 42px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 15ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .hero-lede {
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  padding-top: 40px;
}

/* ---------- 左栏渠道卡 ---------- */

.page-contact .channel-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  padding: 0 20px 8px;
}

.page-contact .channel-card__label {
  margin: 0;
  padding: 20px 0 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--mute);
}

.page-contact .channel {
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .channel:last-of-type {
  border-bottom: 0;
}

.page-contact .channel__key {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mute);
}

.page-contact .channel__icon {
  width: 15px;
  height: 15px;
  flex: none;
  color: var(--orange);
}

.page-contact .channel__value {
  display: block;
  margin-top: 7px;
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .channel__value--text {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: 0;
  color: var(--ink);
  word-break: normal;
}

.page-contact .channel__hint {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mute);
  opacity: 0.62;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .channel:hover .channel__hint,
.page-contact .channel:focus-within .channel__hint {
  opacity: 1;
  color: var(--ink);
}

.page-contact .channel-card__icp {
  margin: 12px 0 0;
  padding: 14px 0 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mute);
}

.page-contact .aside-media {
  margin: 26px 0 0;
}

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

.page-contact .aside-media .media__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mute);
}

/* ---------- 右栏内容 ---------- */

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

.page-contact .cblock + .cblock {
  margin-top: 64px;
}

.page-contact .cblock__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .cblock__lede {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mute);
}

.page-contact .cblock__lede a {
  color: var(--cyan);
}

/* 四类联系场景 */

.page-contact .case-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .case {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  transition: transform var(--dur) var(--ease);
}

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

.page-contact .case:hover {
  transform: translateY(-2px);
}

.page-contact .case:hover .case__num {
  color: var(--orange);
}

.page-contact .case__num {
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  transition: color var(--dur) var(--ease);
}

.page-contact .case__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .case__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}

.page-contact .case__body a {
  color: var(--cyan);
}

/* 邮件写法 */

.page-contact .mail-figure {
  margin: 26px 0 0;
}

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

.page-contact .mail-figure .media__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mute);
}

.page-contact .checklist-wrap {
  margin: 26px 0 0;
  padding: 18px 20px 10px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-contact .checklist__meter {
  height: 3px;
  background: var(--line);
  overflow: hidden;
}

.page-contact .checklist__fill {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: width var(--dur) var(--ease);
}

.page-contact .checklist {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .checklist__row {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 8px 14px 0;
  border-top: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}

.page-contact .checklist__row:has(.box:checked) {
  background: rgba(53, 240, 208, 0.06);
}

.page-contact .checklist__row:has(.box:checked) .checklist__label strong {
  color: var(--cyan);
}

.page-contact .box {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--line);
  background: transparent;
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .box::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--bg);
  transform: scale(0);
  transition: transform 140ms var(--ease);
}

.page-contact .box:checked {
  background: var(--orange);
  border-color: var(--orange);
}

.page-contact .box:checked::after {
  transform: scale(1);
}

.page-contact .box:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .checklist__label {
  display: block;
  cursor: pointer;
}

.page-contact .checklist__label strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

.page-contact .checklist__label span {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .checklist-wrap:has(.box:checked) .checklist__fill {
  width: 16.67%;
}

.page-contact .checklist-wrap:has(li:has(.box:checked) ~ li:has(.box:checked)) .checklist__fill {
  width: 33.33%;
}

.page-contact .checklist-wrap:has(li:has(.box:checked) ~ li:has(.box:checked) ~ li:has(.box:checked)) .checklist__fill {
  width: 50%;
}

.page-contact .checklist-wrap:has(li:has(.box:checked) ~ li:has(.box:checked) ~ li:has(.box:checked) ~ li:has(.box:checked)) .checklist__fill {
  width: 66.67%;
}

.page-contact .checklist-wrap:has(li:has(.box:checked) ~ li:has(.box:checked) ~ li:has(.box:checked) ~ li:has(.box:checked) ~ li:has(.box:checked)) .checklist__fill {
  width: 83.33%;
}

.page-contact .checklist-wrap:has(li:has(.box:checked) ~ li:has(.box:checked) ~ li:has(.box:checked) ~ li:has(.box:checked) ~ li:has(.box:checked) ~ li:has(.box:checked)) .checklist__fill {
  width: 100%;
}

/* 反馈流转 */

.page-contact .flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .flow__step {
  position: relative;
  padding: 0 0 26px 32px;
  border-left: 1px solid var(--line);
}

.page-contact .flow__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 7px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.page-contact .flow__step:first-child::before {
  background: var(--orange);
}

.page-contact .flow__name {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .flow__idx {
  margin-right: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}

.page-contact .flow__step a {
  color: var(--cyan);
}

/* 自助入口 */

.page-contact .link-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .link-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 15px 2px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

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

.page-contact .link-list a:hover,
.page-contact .link-list a:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-contact .link-list a span {
  flex: none;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--mute);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-contact {
    padding-top: 40px;
  }

  .page-contact .contact-grid {
    gap: 52px;
  }

  .page-contact .checklist-wrap {
    padding: 20px 24px 12px;
  }
}

@media (min-width: 1024px) {
  .page-contact {
    padding-top: 48px;
    padding-bottom: 110px;
  }

  .page-contact .contact-grid {
    grid-template-columns: 372px minmax(0, 1fr);
    gap: 72px;
    align-items: start;
    padding-top: 52px;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 28px;
  }

  .page-contact .case {
    grid-template-columns: 46px minmax(0, 1fr);
  }
}

@media (min-width: 1280px) {
  .page-contact .contact-grid {
    grid-template-columns: 396px minmax(0, 1fr);
    gap: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .case,
  .page-contact .checklist__fill,
  .page-contact .box,
  .page-contact .box::after,
  .page-contact .link-list a {
    transition: none;
  }

  .page-contact .case:hover {
    transform: none;
  }
}
<<<END>>>