.page-contact {
  --ct-panel: rgba(20, 58, 51, 0.55);
  --ct-gap: clamp(22px, 3.4vw, 48px);
  background: var(--ly-ink);
  color: var(--ly-warm);
  font-family: var(--ly-font-sans);
  overflow-x: hidden;
}

.page-contact .contact-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--ly-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ly-cyan);
}

.page-contact .contact-kicker::before {
  content: "";
  flex: none;
  width: 26px;
  height: 2px;
  background: var(--ly-cyan);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 52px) clamp(44px, 6vw, 84px);
  background:
    radial-gradient(120% 90% at 84% -12%, rgba(79, 240, 206, 0.09), transparent 62%),
    radial-gradient(90% 70% at 0% 110%, rgba(30, 90, 76, 0.28), transparent 60%),
    var(--ly-ink);
}

.page-contact .ly-crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .contact-hero__head {
  max-width: 68ch;
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ly-warm);
}

.page-contact .contact-hero__accent {
  font-style: normal;
  color: var(--ly-cyan);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.8;
  color: var(--ly-mist);
}

.page-contact .contact-hero__banner {
  margin: clamp(26px, 4vw, 46px) 0 0;
  overflow: hidden;
  border-radius: var(--ly-radius);
}

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

.page-contact .contact-hero__banner img {
  aspect-ratio: 16 / 9;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(30px, 4.5vw, 56px);
}

/* ---------- 渠道列表 ---------- */

.page-contact .contact-channels__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--ly-warm);
}

.page-contact .contact-channels__note {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ly-mist);
}

.page-contact .contact-channel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 6px 16px;
  align-items: start;
  padding: 20px 10px 20px 0;
  border-bottom: 1px solid var(--ly-line);
  transition: background var(--ly-speed) var(--ly-ease), border-color var(--ly-speed) var(--ly-ease);
}

.page-contact .contact-channel:first-of-type {
  border-top: 1px solid var(--ly-line);
  margin-top: 14px;
}

.page-contact .contact-channel:hover {
  background: rgba(79, 240, 206, 0.05);
  border-bottom-color: var(--ly-line-strong);
}

.page-contact .contact-channel__num {
  font-family: var(--ly-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ly-mist);
  padding-top: 4px;
}

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

.page-contact .contact-channel__name {
  margin: 0 0 4px;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 700;
  color: var(--ly-warm);
}

.page-contact .contact-channel__desc {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ly-mist);
}

.page-contact .contact-channel__value {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ly-cyan);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__arrow {
  align-self: center;
  font-family: var(--ly-font-mono);
  font-size: 18px;
  color: var(--ly-cyan);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--ly-speed) var(--ly-ease), transform var(--ly-speed) var(--ly-ease);
}

.page-contact .contact-channel:hover .contact-channel__arrow {
  opacity: 1;
  transform: translateX(0);
}

@media (hover: none) {
  .page-contact .contact-channel__arrow {
    opacity: 0.55;
    transform: none;
  }
}

/* ---------- 提交清单 ---------- */

.page-contact .contact-checklist {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: var(--ly-deep);
  border: 1px solid var(--ly-line-strong);
  border-radius: var(--ly-radius);
  box-shadow: inset 0 1px 0 rgba(79, 240, 206, 0.16);
}

.page-contact .contact-checklist::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(20px, 3vw, 32px);
  width: 56px;
  height: 2px;
  background: var(--ly-orange);
}

.page-contact .contact-checklist__title {
  margin: 0 0 6px;
  font-size: clamp(20px, 2vw, 25px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ly-warm);
}

.page-contact .check-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px dashed var(--ly-line);
  cursor: pointer;
}

.page-contact .check-item__box {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--ly-line-strong);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: background var(--ly-speed-fast) var(--ly-ease), border-color var(--ly-speed-fast) var(--ly-ease), box-shadow var(--ly-speed-fast) var(--ly-ease);
}

.page-contact .check-item__box:checked {
  background: var(--ly-cyan);
  border-color: var(--ly-cyan);
  box-shadow: inset 0 0 0 3px var(--ly-deep);
}

.page-contact .check-item__box:focus-visible {
  outline: 2px solid var(--ly-cyan);
  outline-offset: 3px;
}

.page-contact .check-item__num {
  font-family: var(--ly-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ly-mist);
  padding-top: 4px;
  transition: color var(--ly-speed-fast) var(--ly-ease);
}

.page-contact .check-item__body {
  min-width: 0;
  color: var(--ly-mist);
  transition: color var(--ly-speed-fast) var(--ly-ease);
}

.page-contact .check-item__body strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ly-warm);
  transition: color var(--ly-speed-fast) var(--ly-ease);
}

.page-contact .check-item__body span {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: inherit;
}

.page-contact .check-item__box:checked ~ .check-item__num,
.page-contact .check-item__box:checked ~ .check-item__body,
.page-contact .check-item__box:checked ~ .check-item__body strong {
  color: var(--ly-cyan);
}

.page-contact .check-done {
  margin: 18px 0 0;
  padding: 13px 15px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ly-mist);
  border: 1px dashed var(--ly-line);
  border-radius: var(--ly-radius);
  transition: color var(--ly-speed) var(--ly-ease), border-color var(--ly-speed) var(--ly-ease), background var(--ly-speed) var(--ly-ease);
}

.page-contact .contact-checklist:not(:has(.check-item__box:not(:checked))) .check-done {
  color: var(--ly-cyan);
  border-style: solid;
  border-color: var(--ly-line-strong);
  background: rgba(79, 240, 206, 0.07);
}

.page-contact .check-help {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ly-mist-soft);
}

.page-contact .check-help a {
  color: var(--ly-warm);
  text-decoration: none;
  border-bottom: 1px solid var(--ly-line-strong);
  transition: color var(--ly-speed) var(--ly-ease), border-color var(--ly-speed) var(--ly-ease);
}

.page-contact .check-help a:hover {
  color: var(--ly-cyan);
  border-bottom-color: var(--ly-cyan);
}

/* ---------- 回复时段色带 ---------- */

.page-contact .contact-band {
  position: relative;
  overflow: hidden;
  padding-block: clamp(36px, 5vw, 72px);
  background: var(--ly-deep);
  border-top: 1px solid var(--ly-line);
  border-bottom: 1px solid var(--ly-line);
}

.page-contact .contact-band::before {
  content: "";
  position: absolute;
  inset: -10% -6%;
  pointer-events: none;
  background: linear-gradient(113deg, transparent 51%, rgba(255, 122, 47, 0.1) 51.2%, rgba(255, 122, 47, 0.1) 62%, transparent 62.2%);
}

.page-contact .contact-band__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 56px);
}

.page-contact .contact-band__title {
  margin: 0 0 14px;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ly-warm);
}

.page-contact .contact-band__text {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ly-mist);
}

.page-contact .contact-band__facts {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-band__facts li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px dashed var(--ly-line);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ly-mist);
}

.page-contact .contact-band__facts li:first-child {
  border-top: 1px dashed var(--ly-line);
}

.page-contact .contact-fact__num {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ly-cyan);
  white-space: nowrap;
}

/* ---------- 合作与内容垂询 ---------- */

.page-contact .contact-coop {
  padding-block: clamp(44px, 6vw, 88px);
  background:
    radial-gradient(80% 70% at 100% 0%, rgba(30, 90, 76, 0.22), transparent 62%),
    var(--ly-ink);
}

.page-contact .contact-coop__inner {
  display: grid;
  gap: clamp(28px, 4vw, 64px);
}

.page-contact .contact-coop__title {
  margin: 0 0 8px;
  font-size: clamp(24px, 2.8vw, 38px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ly-warm);
}

.page-contact .coop-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--ly-line);
}

.page-contact .coop-item__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ly-warm);
}

.page-contact .coop-item__idx {
  font-family: var(--ly-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ly-orange);
}

.page-contact .coop-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ly-mist);
}

.page-contact .contact-coop__link {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ly-mist);
}

.page-contact .contact-coop__link a {
  color: var(--ly-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--ly-line-strong);
  transition: border-color var(--ly-speed) var(--ly-ease);
}

.page-contact .contact-coop__link a:hover {
  border-bottom-color: var(--ly-cyan);
}

.page-contact .contact-coop__media {
  margin: 0;
  max-width: 320px;
  overflow: hidden;
  border-radius: var(--ly-radius);
}

/* ---------- 站点信息 ---------- */

.page-contact .contact-office {
  padding-block: clamp(40px, 5.5vw, 80px) clamp(48px, 7vw, 96px);
}

.page-contact .contact-office__title {
  margin: 0 0 18px;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ly-warm);
}

.page-contact .office-list {
  margin: 0;
  max-width: 760px;
}

.page-contact .office-row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ly-line);
}

.page-contact .office-row dt {
  margin: 0;
  font-family: var(--ly-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ly-mist);
}

.page-contact .office-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ly-warm);
  overflow-wrap: anywhere;
}

.page-contact .office-icp {
  margin: 26px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--ly-line);
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ly-mist);
}

.page-contact .contact-office__rule {
  margin-top: clamp(32px, 5vw, 56px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ly-cyan), transparent);
  opacity: 0.5;
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-contact .contact-hero__banner img {
    aspect-ratio: 21 / 6;
  }

  .page-contact .office-row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-band__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-coop__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-hero__side {
    margin-top: clamp(24px, 4vw, 58px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel,
  .page-contact .contact-channel__arrow,
  .page-contact .check-item__box,
  .page-contact .check-item__body,
  .page-contact .check-done,
  .page-contact .check-item__num,
  .page-contact .check-help a,
  .page-contact .contact-coop__link a {
    transition: none;
  }
}
<<<END>>>