.page-contact {
  --ct-surface: #FFFDF8;
  --ct-line: rgba(110, 127, 118, 0.26);
  --ct-line-strong: rgba(34, 25, 19, 0.16);
  --ct-shadow: 0 22px 46px -34px rgba(11, 36, 30, 0.6);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding: clamp(28px, 5vw, 60px) 0 clamp(36px, 6vw, 84px);
  background:
    radial-gradient(120% 88% at 106% -14%, rgba(79, 240, 200, 0.22), transparent 58%),
    var(--cream-50);
  overflow: hidden;
}

.page-contact .ct-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--text-900);
  max-width: 14em;
}

.page-contact .ct-hero__copy .yrb-lead {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 42em;
}

.page-contact .ct-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .ct-jump {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--ink-900);
  background: var(--ink-900);
  color: var(--cream-50);
  font-size: 14.5px;
  line-height: 1;
  text-decoration: none;
  transition: background-color var(--t-base) ease-out, color var(--t-base) ease-out, border-color var(--t-base) ease-out;
}

.page-contact .ct-jump:hover,
.page-contact .ct-jump:focus-visible {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-900);
}

.page-contact .ct-jump--ghost {
  background: transparent;
  color: var(--text-900);
  border-color: var(--ct-line-strong);
}

.page-contact .ct-jump--ghost:hover,
.page-contact .ct-jump--ghost:focus-visible {
  background: transparent;
  border-color: var(--cyan-400);
  color: var(--text-900);
}

.page-contact .ct-signal {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 360px);
  aspect-ratio: 1 / 1;
  margin-inline: auto;
  border-radius: var(--r-lg);
  background: radial-gradient(78% 78% at 50% 46%, var(--ink-700), var(--ink-900) 76%);
  overflow: hidden;
}

.page-contact .ct-signal__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--hair-cyan);
}

.page-contact .ct-signal__ring:nth-child(1) {
  width: 38%;
  height: 38%;
  border-color: rgba(79, 240, 200, 0.55);
}

.page-contact .ct-signal__ring:nth-child(2) {
  width: 64%;
  height: 64%;
}

.page-contact .ct-signal__ring:nth-child(3) {
  width: 88%;
  height: 88%;
}

.page-contact .ct-signal__core {
  width: 13%;
  height: 13%;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 10px rgba(79, 240, 200, 0.14);
}

/* ---------- 章节标题 ---------- */

.page-contact .ct-head {
  max-width: 62ch;
}

.page-contact .ct-head__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.008em;
  color: var(--text-900);
}

.page-contact .ct-head__note,
.page-contact .ct-aside__text {
  margin: 14px 0 0;
  color: var(--moss-500);
  font-size: 15.5px;
  line-height: 1.7;
  max-width: 40em;
}

/* ---------- 联系渠道 ---------- */

.page-contact .ct-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .ct-channel {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--r-lg);
  border: 1px solid var(--ct-line);
  background: var(--ct-surface);
  transition: border-color var(--t-base) ease-out, box-shadow var(--t-base) ease-out, background-color var(--t-base) ease-out;
}

.page-contact .ct-channel:hover {
  border-color: var(--cyan-400);
  box-shadow: var(--ct-shadow);
}

.page-contact .ct-channel--mail {
  background: linear-gradient(158deg, var(--ink-700), var(--ink-900));
  border-color: rgba(184, 247, 229, 0.24);
  color: var(--cream-50);
}

.page-contact .ct-channel--mail:hover {
  border-color: var(--cyan-400);
}

.page-contact .ct-channel__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss-500);
}

.page-contact .ct-channel--mail .ct-channel__kicker {
  color: var(--cyan-400);
}

.page-contact .ct-channel__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 23px);
  letter-spacing: -0.005em;
  color: var(--text-900);
}

.page-contact .ct-channel--mail .ct-channel__title {
  color: var(--cream-50);
}

.page-contact .ct-channel__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 1.9vw, 19px);
  letter-spacing: 0.02em;
  word-break: break-all;
  color: var(--ink-900);
}

.page-contact .ct-channel--mail .ct-channel__value {
  color: var(--cyan-400);
}

.page-contact .ct-channel__value--addr {
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: 0;
  color: var(--text-900);
}

.page-contact .ct-channel__desc {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--moss-500);
}

.page-contact .ct-channel--mail .ct-channel__desc {
  color: var(--cyan-200);
}

.page-contact .ct-channel__hint {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--hair-cyan);
  display: grid;
  gap: 6px;
}

.page-contact .ct-channel__hintline {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-200);
}

.page-contact .ct-channel__hintmore {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--cyan-400);
  transition: max-height var(--t-base) ease-out, opacity var(--t-base) ease-out;
}

.page-contact .ct-channel--mail:hover .ct-channel__hintmore,
.page-contact .ct-channel--mail:focus-within .ct-channel__hintmore {
  max-height: 60px;
  opacity: 1;
}

/* ---------- 图片 ---------- */

.page-contact .ct-figure {
  margin: clamp(30px, 5vw, 52px) 0 0;
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--moss-500);
}

.page-contact .ct-figure--tiers img {
  border-radius: var(--r-lg);
}

/* ---------- 反馈档位 ---------- */

.page-contact .ct-tierlayout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 40px);
  align-items: start;
}

.page-contact .ct-tier__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-contact .ct-tiers {
  position: relative;
}

.page-contact .ct-tiers__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.page-contact .ct-tier {
  --ct-tier-accent: var(--orange-500);
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--r-lg);
  border: 1px solid var(--ct-line);
  background: var(--ct-surface);
  box-shadow: inset 0 3px 0 0 var(--ct-tier-accent);
  transition: border-color var(--t-base) ease-out, box-shadow var(--t-base) ease-out;
}

.page-contact .ct-tier--urgent {
  --ct-tier-accent: var(--red-600);
}

.page-contact .ct-tier:hover {
  border-color: var(--cyan-400);
}

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

.page-contact .ct-tier__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.004em;
  color: var(--text-900);
}

.page-contact .ct-tier__time {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 4.6vw, 42px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ct-tier-accent);
}

.page-contact .ct-tier__cue {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--moss-500);
}

.page-contact .ct-tier__cue::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--t-base) ease-out;
}

.page-contact .ct-tier__body {
  display: none;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--ct-line-strong);
}

.page-contact .ct-tier__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-900);
}

.page-contact .ct-tier__body .yrb-list {
  margin-top: 12px;
}

.page-contact #tier-normal:checked ~ .ct-tiers__grid .ct-tier--normal,
.page-contact #tier-priority:checked ~ .ct-tiers__grid .ct-tier--priority,
.page-contact #tier-urgent:checked ~ .ct-tiers__grid .ct-tier--urgent {
  border-color: var(--ct-tier-accent);
}

.page-contact #tier-normal:checked ~ .ct-tiers__grid .ct-tier--normal .ct-tier__body,
.page-contact #tier-priority:checked ~ .ct-tiers__grid .ct-tier--priority .ct-tier__body,
.page-contact #tier-urgent:checked ~ .ct-tiers__grid .ct-tier--urgent .ct-tier__body {
  display: block;
}

.page-contact #tier-normal:checked ~ .ct-tiers__grid .ct-tier--normal .ct-tier__cue::after,
.page-contact #tier-priority:checked ~ .ct-tiers__grid .ct-tier--priority .ct-tier__cue::after,
.page-contact #tier-urgent:checked ~ .ct-tiers__grid .ct-tier--urgent .ct-tier__cue::after {
  transform: rotate(-135deg);
}

.page-contact #tier-normal:focus-visible ~ .ct-tiers__grid .ct-tier--normal,
.page-contact #tier-priority:focus-visible ~ .ct-tiers__grid .ct-tier--priority,
.page-contact #tier-urgent:focus-visible ~ .ct-tiers__grid .ct-tier--urgent {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

/* ---------- 准备清单 ---------- */

.page-contact .ct-checklist {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .ct-check {
  position: relative;
}

.page-contact .ct-check__box {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-contact .ct-check__label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--ct-line);
  background: var(--ct-surface);
  cursor: pointer;
  transition: border-color var(--t-base) ease-out, background-color var(--t-base) ease-out;
}

.page-contact .ct-check__label:hover {
  border-color: var(--cyan-400);
}

.page-contact .ct-check__mark {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 6px;
  border: 2px solid var(--moss-500);
  transition: background-color var(--t-base) ease-out, border-color var(--t-base) ease-out;
}

.page-contact .ct-check__mark::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(45deg) scale(0);
  transform-origin: center;
  transition: transform var(--t-fast) ease-out;
}

.page-contact .ct-check__text {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--text-900);
  transition: color var(--t-base) ease-out;
}

.page-contact .ct-check__box:checked + .ct-check__label .ct-check__mark {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-contact .ct-check__box:checked + .ct-check__label .ct-check__mark::after {
  transform: rotate(45deg) scale(1);
}

.page-contact .ct-check__box:checked + .ct-check__label .ct-check__text {
  color: var(--moss-500);
  text-decoration: line-through;
  text-decoration-color: var(--cyan-400);
  text-decoration-thickness: 2px;
}

.page-contact .ct-check__box:focus-visible + .ct-check__label {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

/* ---------- 商务合作 ---------- */

.page-contact .ct-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .ct-step {
  padding: 20px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--ct-line);
  background: var(--ct-surface);
  transition: border-color var(--t-base) ease-out;
}

.page-contact .ct-step:hover {
  border-color: var(--cyan-400);
}

.page-contact .ct-step__no {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange-500);
}

.page-contact .ct-step__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.004em;
  color: var(--text-900);
}

.page-contact .ct-step p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--moss-500);
}

/* ---------- 服务信息带 ---------- */

.page-contact .ct-bandwrap {
  padding: clamp(8px, 1.6vw, 20px) 0 clamp(48px, 7vw, 96px);
}

.page-contact .ct-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(184, 247, 229, 0.24);
  background: var(--ink-900);
  overflow: hidden;
}

.page-contact .ct-band__cell {
  padding: clamp(24px, 3.4vw, 40px);
  background: linear-gradient(160deg, rgba(18, 58, 49, 0.9), rgba(11, 36, 30, 1));
}

.page-contact .ct-band__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-200);
}

.page-contact .ct-band__value {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--cyan-400);
}

.page-contact .ct-band__note {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--cyan-200);
}

/* ---------- 底部信息条 ---------- */

.page-contact .ct-signoff {
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid var(--ct-line);
  border-bottom: 3px solid var(--cyan-400);
  background: var(--cream-100);
}

.page-contact .ct-signoff__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss-500);
}

.page-contact .ct-signoff__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(17px, 2.6vw, 26px);
  letter-spacing: 0.02em;
  word-break: break-all;
  color: var(--ink-900);
}

.page-contact .ct-signoff__meta {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss-500);
}

/* ---------- 延伸入口 ---------- */

.page-contact .ct-more {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}

.page-contact .ct-more__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text-900);
}

.page-contact .ct-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

/* ---------- 响应式 ---------- */

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

  .page-contact .ct-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-more {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
  }

  .page-contact .ct-more__links {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-contact .ct-channels {
    grid-template-columns: 1.5fr 1.05fr 0.82fr;
    gap: 24px;
  }

  .page-contact .ct-channel--phone {
    margin-top: 46px;
  }

  .page-contact .ct-channel--addr {
    margin-top: 92px;
  }

  .page-contact .ct-tiers__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-tierlayout {
    grid-template-columns: minmax(0, 0.64fr) minmax(0, 1.6fr);
    gap: clamp(36px, 4.4vw, 64px);
  }

  .page-contact .ct-coop {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.6fr);
    gap: clamp(36px, 4.4vw, 64px);
  }
}