.page-contact {
  --ct-muted: #465764;
  --ct-muted-soft: #6B7B86;
  background: var(--yk-paper-050);
  color: var(--yk-ink-900);
  font-family: var(--yk-sans);
  line-height: 1.8;
  overflow-x: hidden;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .ct-wrap {
  width: 100%;
  max-width: var(--yk-wrap);
  margin-inline: auto;
  padding-inline: var(--yk-gutter);
}

.page-contact a {
  color: var(--yk-blue-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact a:hover {
  color: var(--yk-coral-700);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--yk-focus-500);
  outline-offset: 2px;
}

/* 面包屑 */
.page-contact .ct-crumb {
  max-width: var(--yk-wrap);
  margin-inline: auto;
  padding: 18px var(--yk-gutter) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ct-muted-soft);
}

.page-contact .ct-crumb a {
  text-decoration: none;
}

.page-contact .ct-crumb a:hover {
  text-decoration: underline;
}

/* 首屏 */
.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(22px, 3.4vw, 36px) clamp(34px, 5vw, 62px);
  background:
    linear-gradient(180deg, var(--yk-sky-100) 0%, rgba(231, 241, 247, 0.4) 52%, var(--yk-paper-050) 100%);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(114deg, rgba(18, 75, 115, 0.055) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(24deg, rgba(244, 124, 92, 0.06) 0 1px, transparent 1px 42px);
}

.page-contact .ct-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.page-contact .ct-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-family: var(--yk-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yk-blue-700);
}

.page-contact .ct-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--yk-coral-500);
  flex: 0 0 auto;
}

.page-contact .ct-title {
  margin: 14px 0 0;
  font-family: var(--yk-serif);
  font-weight: 700;
  font-size: clamp(28px, 4.8vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--yk-blue-900);
}

.page-contact .ct-lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ct-muted);
}

.page-contact .ct-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .ct-fact {
  border-top: 2px solid var(--yk-coral-500);
  padding-top: 10px;
}

.page-contact .ct-fact strong {
  display: block;
  font-family: var(--yk-mono);
  font-size: clamp(17px, 2vw, 21px);
  letter-spacing: -0.01em;
  color: var(--yk-blue-900);
}

.page-contact .ct-fact span {
  display: block;
  font-size: 13px;
  color: var(--ct-muted-soft);
}

.page-contact .ct-hero__figure {
  margin: 0;
  border: 1px solid var(--yk-line-200);
  border-radius: var(--yk-radius);
  background: #fff;
  box-shadow: var(--yk-shadow);
  overflow: hidden;
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact .ct-hero__figure img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

/* 深色联系带 */
.page-contact .ct-band {
  position: relative;
  padding-block: clamp(30px, 5vw, 56px);
  background: var(--yk-blue-900);
  color: var(--yk-paper-050);
}

.page-contact .ct-band::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--yk-coral-500) 0%, var(--yk-mint-300) 58%, rgba(158, 230, 199, 0) 100%);
}

.page-contact .ct-band__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .ct-band__title {
  margin: 0;
  font-family: var(--yk-serif);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  color: #fff;
}

.page-contact .ct-band__note {
  margin: 0;
  font-size: 13.5px;
  color: rgba(251, 249, 245, 0.72);
}

.page-contact .ct-band__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .ct-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid rgba(158, 230, 199, 0.3);
  border-radius: var(--yk-radius);
  background: linear-gradient(158deg, rgba(158, 230, 199, 0.1), rgba(11, 42, 74, 0) 62%);
}

.page-contact .ct-chip {
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--yk-mint-300);
  color: var(--yk-blue-900);
  font-family: var(--yk-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-contact .ct-contact__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.page-contact .ct-contact__value {
  align-self: flex-start;
  margin: 0;
  padding-bottom: 2px;
  font-family: var(--yk-mono);
  font-size: clamp(14px, 1.8vw, 17px);
  color: #FBF9F5;
  word-break: break-all;
  border-bottom: 2px solid var(--yk-coral-500);
}

.page-contact .ct-contact__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(251, 249, 245, 0.76);
}

/* 通用章节头 */
.page-contact .ct-sechead {
  max-width: 64ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .ct-h2 {
  margin: 10px 0 0;
  font-family: var(--yk-serif);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--yk-blue-900);
}

.page-contact .ct-seclead {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ct-muted);
}

/* 合作类型标签切换 */
.page-contact .ct-types {
  padding-block: clamp(40px, 6vw, 76px);
}

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

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

.page-contact .ct-tabbar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 2px 10px;
  scrollbar-width: thin;
}

.page-contact .ct-tab {
  flex: 0 0 auto;
  padding: 10px 16px;
  border: 1px solid var(--yk-line-200);
  border-radius: 999px;
  background: var(--yk-sand-100);
  color: var(--yk-blue-700);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.18s var(--yk-ease), color 0.18s var(--yk-ease), border-color 0.18s var(--yk-ease);
}

.page-contact .ct-tab:hover {
  background: #fff;
  border-color: var(--yk-blue-700);
}

.page-contact #ct-tab-1:checked ~ .ct-tabbar .ct-tab[for="ct-tab-1"],
.page-contact #ct-tab-2:checked ~ .ct-tabbar .ct-tab[for="ct-tab-2"],
.page-contact #ct-tab-3:checked ~ .ct-tabbar .ct-tab[for="ct-tab-3"],
.page-contact #ct-tab-4:checked ~ .ct-tabbar .ct-tab[for="ct-tab-4"] {
  background: var(--yk-blue-900);
  border-color: var(--yk-blue-900);
  color: #FBF9F5;
}

.page-contact #ct-tab-1:focus-visible ~ .ct-tabbar .ct-tab[for="ct-tab-1"],
.page-contact #ct-tab-2:focus-visible ~ .ct-tabbar .ct-tab[for="ct-tab-2"],
.page-contact #ct-tab-3:focus-visible ~ .ct-tabbar .ct-tab[for="ct-tab-3"],
.page-contact #ct-tab-4:focus-visible ~ .ct-tabbar .ct-tab[for="ct-tab-4"] {
  outline: 2px solid var(--yk-focus-500);
  outline-offset: 2px;
}

.page-contact .ct-panels {
  margin-top: 8px;
}

.page-contact .ct-panel {
  display: none;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--yk-line-200);
  border-left: 4px solid var(--yk-coral-500);
  border-radius: var(--yk-radius);
  background: var(--yk-sky-100);
  box-shadow: var(--yk-shadow);
}

.page-contact #ct-tab-1:checked ~ .ct-panels .ct-panel--1,
.page-contact #ct-tab-2:checked ~ .ct-panels .ct-panel--2,
.page-contact #ct-tab-3:checked ~ .ct-panels .ct-panel--3,
.page-contact #ct-tab-4:checked ~ .ct-panels .ct-panel--4 {
  display: block;
}

.page-contact .ct-panel h3 {
  margin: 0 0 10px;
  font-family: var(--yk-serif);
  font-size: 20px;
  color: var(--yk-blue-900);
}

.page-contact .ct-panel p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ct-muted);
}

.page-contact .ct-panel p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-panel__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-panel__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-muted);
}

.page-contact .ct-panel__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--yk-mint-300);
  border: 1px solid var(--yk-blue-700);
}

.page-contact .ct-panel__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.page-contact .ct-meta-tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--yk-line-200);
  border-radius: var(--yk-radius-sm);
  background: rgba(255, 255, 255, 0.82);
  font-family: var(--yk-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--yk-blue-900);
}

/* 准备清单 */
.page-contact .ct-prep {
  padding-block: clamp(40px, 6vw, 76px);
  background: var(--yk-sand-100);
  border-block: 1px solid var(--yk-line-200);
}

.page-contact .ct-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .ct-details {
  margin-top: 22px;
  padding: 0 16px;
  border: 1px solid var(--yk-line-200);
  border-radius: var(--yk-radius);
  background: #fff;
}

.page-contact .ct-details .yk-details__summary {
  padding: 14px 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--yk-blue-700);
  cursor: pointer;
}

.page-contact .ct-details .yk-details__body {
  padding-bottom: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ct-muted);
}

.page-contact .ct-details .yk-details__body p {
  margin: 0 0 10px;
}

.page-contact .ct-details .yk-details__body p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--yk-line-200);
  border-radius: var(--yk-radius);
  background: var(--yk-line-200);
  overflow: hidden;
}

.page-contact .ct-checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 18px;
  background: #fff;
}

.page-contact .ct-checklist__num {
  padding-top: 3px;
  font-family: var(--yk-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yk-coral-700);
}

.page-contact .ct-checklist strong {
  display: block;
  font-size: 15.5px;
  color: var(--yk-blue-900);
}

.page-contact .ct-checklist p {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ct-muted);
}

/* 流程 */
.page-contact .ct-flow {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-contact .ct-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 36px);
}

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

.page-contact .ct-step {
  position: relative;
  padding: 0 0 26px 58px;
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 44px;
  bottom: 8px;
  border-left: 2px dashed var(--yk-line-200);
}

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--yk-blue-900);
  color: #FBF9F5;
  font-family: var(--yk-mono);
  font-size: 13px;
}

.page-contact .ct-step h3 {
  margin: 6px 0 6px;
  font-size: 17px;
  color: var(--yk-blue-900);
}

.page-contact .ct-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-muted);
}

.page-contact .ct-step__time {
  display: inline-block;
  margin-top: 9px;
  padding: 2px 8px;
  border-radius: var(--yk-radius-sm);
  background: rgba(244, 124, 92, 0.14);
  font-family: var(--yk-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--yk-coral-700);
}

.page-contact .ct-hours {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--yk-radius);
  background: var(--yk-blue-900);
  color: var(--yk-paper-050);
}

.page-contact .ct-hours__label {
  margin: 0;
  font-family: var(--yk-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yk-mint-300);
}

.page-contact .ct-hours__big {
  margin: 8px 0 10px;
  font-family: var(--yk-mono);
  font-size: clamp(24px, 3.4vw, 30px);
  letter-spacing: -0.02em;
  color: #fff;
}

.page-contact .ct-hours p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(251, 249, 245, 0.78);
}

.page-contact .ct-hours__list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid rgba(251, 249, 245, 0.18);
}

.page-contact .ct-hours__list div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13.5px;
}

.page-contact .ct-hours__list dt {
  color: rgba(251, 249, 245, 0.7);
}

.page-contact .ct-hours__list dd {
  margin: 0;
  font-family: var(--yk-mono);
  color: var(--yk-mint-300);
}

.page-contact .ct-flow__figure {
  margin: 26px 0 0;
  border: 1px solid var(--yk-line-200);
  border-radius: var(--yk-radius);
  background: #fff;
  overflow: hidden;
}

.page-contact .ct-flow__figure img {
  width: 100%;
  aspect-ratio: 9 / 5;
  object-fit: cover;
}

/* 资料 */
.page-contact .ct-materials {
  padding-block: clamp(40px, 6vw, 76px);
  background: linear-gradient(180deg, var(--yk-paper-050) 0%, var(--yk-sky-100) 100%);
}

.page-contact .ct-docs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .ct-doc {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--yk-line-200);
  border-radius: var(--yk-radius);
  background: #fff;
}

.page-contact .ct-doc__no {
  font-family: var(--yk-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--yk-coral-700);
}

.page-contact .ct-doc h3 {
  margin: 0;
  font-size: 15.5px;
  color: var(--yk-blue-900);
}

.page-contact .ct-doc p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ct-muted);
}

.page-contact .ct-docs__foot {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 4px solid var(--yk-mint-300);
  border-radius: var(--yk-radius-sm);
  background: var(--yk-sand-100);
  font-size: 14.5px;
  color: var(--ct-muted);
}

.page-contact .ct-docs__foot p {
  margin: 0;
}

/* 到访与邮寄 */
.page-contact .ct-visit {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-contact .ct-visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 40px);
}

.page-contact .ct-address {
  margin: 18px 0 0;
  padding: 16px 18px;
  border: 1px dashed var(--yk-coral-500);
  border-radius: var(--yk-radius);
  background: var(--yk-sand-100);
  font-style: normal;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yk-blue-900);
}

.page-contact .ct-visit__card {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--yk-line-200);
  border-radius: var(--yk-radius);
  background: #fff;
  box-shadow: var(--yk-shadow);
}

.page-contact .ct-contactrow {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--yk-line-200);
}

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

.page-contact .ct-contactrow dt {
  font-family: var(--yk-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ct-muted-soft);
}

.page-contact .ct-contactrow dd {
  margin: 0;
  font-size: 15px;
  color: var(--yk-blue-900);
  word-break: break-word;
}

.page-contact .ct-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-contact .ct-links a {
  padding: 6px 12px;
  border: 1px solid var(--yk-line-200);
  border-radius: 999px;
  background: var(--yk-sky-100);
  font-size: 13px;
  text-decoration: none;
  color: var(--yk-blue-700);
  transition: background 0.18s var(--yk-ease), border-color 0.18s var(--yk-ease);
}

.page-contact .ct-links a:hover {
  background: #fff;
  border-color: var(--yk-blue-700);
}

/* 断点 */
@media (min-width: 600px) {
  .page-contact .ct-facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-band__head {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-band__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 1.06fr 0.94fr;
  }

  .page-contact .ct-prep__grid {
    grid-template-columns: 0.84fr 1.16fr;
    align-items: start;
  }

  .page-contact .ct-visit__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-flow__grid {
    grid-template-columns: 1.36fr 0.64fr;
    align-items: start;
  }

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

@media (min-width: 680px) and (max-width: 999px) {
  .page-contact .ct-docs {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-tab,
  .page-contact .ct-links a {
    transition: none;
  }
}