.page-contact {
  --ct-gap: clamp(18px, 2.4vw, 32px);
}

/* 面包屑 */
.page-contact .ct-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-contact .ct-crumb .breadcrumb__item {
  display: inline-flex;
  align-items: center;
}
.page-contact .ct-crumb .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--rule);
}
.page-contact .ct-crumb .breadcrumb__link {
  color: var(--pitch);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-contact .ct-crumb .breadcrumb__link:hover,
.page-contact .ct-crumb .breadcrumb__link:focus-visible {
  border-bottom-color: var(--pitch);
}

/* 首屏 */
.page-contact .ct-hero {
  padding-block: clamp(26px, 4.5vw, 54px) var(--sp-3);
}
.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(34px, 7.2vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 16ch;
}
.page-contact .ct-hero__lede {
  margin-top: var(--sp-1);
  max-width: 60ch;
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.85;
  color: var(--muted);
}

/* 深色主张带 */
.page-contact .ct-callout {
  padding-block: var(--sp-3);
}
.page-contact .ct-callout__inner {
  display: grid;
  gap: var(--sp-2);
}
.page-contact .ct-callout__kicker {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lime);
}
.page-contact .ct-callout__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 4.2vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--paper);
}
.page-contact .ct-callout__list {
  list-style: none;
  margin: 0;
  padding: 0;
  align-self: end;
}
.page-contact .ct-callout__list li {
  position: relative;
  padding: 13px 0 13px 20px;
  border-top: 1px solid rgba(245, 241, 231, 0.18);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 241, 231, 0.84);
}
.page-contact .ct-callout__list li:last-child {
  border-bottom: 1px solid rgba(245, 241, 231, 0.18);
}
.page-contact .ct-callout__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 7px;
  height: 7px;
  background: var(--lime);
}

/* 联系方式 + 问题分类 */
.page-contact .ct-desk {
  padding-block: var(--sp-3);
}
.page-contact .ct-desk__grid {
  display: grid;
  gap: var(--sp-2);
}
.page-contact .ct-desk__left {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .ct-figure {
  margin: 0;
}
.page-contact .ct-figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
}
.page-contact .ct-figure .figure__cap {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .ct-card {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--paper);
  border: 1px solid var(--rule);
}
.page-contact .ct-card--ink {
  background: var(--ink-2);
  border-color: var(--ink-2);
}
.page-contact .ct-card__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .ct-card--ink .ct-card__label {
  color: var(--lime);
}
.page-contact .ct-card__value {
  margin: 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.page-contact .ct-card--ink .ct-card__value {
  color: var(--paper);
}
.page-contact .ct-card__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}
.page-contact .ct-card--ink .ct-card__meta {
  color: rgba(245, 241, 231, 0.72);
}

.page-contact .ct-copy {
  justify-self: start;
  margin-top: 6px;
  padding: 8px 15px;
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pitch);
  background: transparent;
  border: 1px solid var(--pitch);
  border-radius: 0;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
}
.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  background: var(--pitch);
  color: var(--paper);
  outline: none;
}
.page-contact .ct-card--ink .ct-copy {
  color: var(--lime);
  border-color: var(--lime);
}
.page-contact .ct-card--ink .ct-copy:hover,
.page-contact .ct-card--ink .ct-copy:focus-visible {
  background: var(--lime);
  color: var(--ink);
}
.page-contact .ct-copy[data-copied]::after {
  content: " · 已复制";
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-contact .ct-desk__addr {
  margin: 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-desk__intro {
  margin: 0 0 var(--sp-1);
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* 问题分类折叠项 */
.page-contact .ct-faq {
  border-top: 1px solid var(--rule);
}
.page-contact .ct-faq:last-of-type {
  border-bottom: 1px solid var(--rule);
}
.page-contact .ct-faq__q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}
.page-contact .ct-faq__q::-webkit-details-marker {
  display: none;
}
.page-contact .ct-faq__q:focus-visible {
  outline: 2px solid var(--pitch);
  outline-offset: -2px;
}
.page-contact .ct-faq__idx {
  flex: none;
  min-width: 26px;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.page-contact .ct-faq__label {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(16px, 1.7vw, 21px);
  line-height: 1.3;
  color: var(--ink);
  transition: color 0.18s ease;
}
.page-contact .ct-faq[open] .ct-faq__label {
  color: var(--pitch);
}
.page-contact .ct-faq__mark {
  position: relative;
  flex: none;
  width: 12px;
  height: 12px;
}
.page-contact .ct-faq__mark::before,
.page-contact .ct-faq__mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 1.5px;
  background: var(--pitch);
  transform: translateY(-50%);
}
.page-contact .ct-faq__mark::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 0.2s ease;
}
.page-contact .ct-faq[open] .ct-faq__mark::after {
  transform: translateY(-50%) rotate(0deg);
}
.page-contact .ct-faq__body {
  padding: 0 0 22px 40px;
}
.page-contact .ct-faq__body p {
  margin: 0 0 12px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}
.page-contact .ct-faq__prep {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--pitch);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink);
}

/* 场次编号 */
.page-contact .ct-no {
  background: var(--paper-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding-block: var(--sp-3);
}
.page-contact .ct-no__grid {
  display: grid;
  gap: var(--sp-2);
}
.page-contact .ct-no__lede {
  margin: 0 0 var(--sp-1);
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .ct-steps__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
}
.page-contact .ct-steps__item:last-child {
  border-bottom: 1px solid var(--rule);
}
.page-contact .ct-steps__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  color: var(--orange);
}
.page-contact .ct-steps__t {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink);
}
.page-contact .ct-steps__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}
.page-contact .ct-no__media {
  align-self: start;
}

/* 合作与线下活动 */
.page-contact .ct-partner {
  padding-block: var(--sp-3);
}
.page-contact .ct-partner__grid {
  display: grid;
  gap: var(--sp-2);
  margin-top: var(--sp-2);
}
.page-contact .ct-panel {
  padding: clamp(22px, 2.6vw, 34px);
  background: var(--paper);
  border: 1px solid var(--rule);
}
.page-contact .ct-panel--ink {
  background: var(--ink);
  border-color: var(--ink);
}
.page-contact .ct-panel__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--pitch);
}
.page-contact .ct-panel--ink .ct-panel__tag {
  color: var(--lime);
}
.page-contact .ct-panel__title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.1vw, 27px);
  line-height: 1.25;
  color: var(--ink);
}
.page-contact .ct-panel--ink .ct-panel__title {
  color: var(--paper);
}
.page-contact .ct-panel__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}
.page-contact .ct-panel--ink .ct-panel__lead {
  color: rgba(245, 241, 231, 0.8);
}
.page-contact .ct-panel__list {
  list-style: none;
  margin: var(--sp-1) 0 0;
  padding: 0;
}
.page-contact .ct-panel__list li {
  padding: 13px 0;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .ct-panel--ink .ct-panel__list li {
  border-top-color: rgba(245, 241, 231, 0.16);
  color: rgba(245, 241, 231, 0.8);
}
.page-contact .ct-panel__list li:last-child {
  border-bottom: 1px solid var(--rule);
}
.page-contact .ct-panel--ink .ct-panel__list li:last-child {
  border-bottom-color: rgba(245, 241, 231, 0.16);
}
.page-contact .ct-panel__list b {
  font-weight: 600;
  color: var(--ink);
}
.page-contact .ct-panel--ink .ct-panel__list b {
  color: var(--lime);
}

/* 回复节奏 */
.page-contact .ct-sla {
  padding-block: var(--sp-3);
}
.page-contact .ct-sla__intro {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-contact .ct-sla__list {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.page-contact .ct-sla__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  transition: background-color 0.18s ease;
}
.page-contact .ct-sla__row:hover,
.page-contact .ct-sla__row:focus {
  background: var(--paper-2);
  outline: none;
}
.page-contact .ct-sla__cat {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  color: var(--ink);
}
.page-contact .ct-sla__bar {
  display: none;
  position: relative;
  height: 6px;
  background: var(--paper-2);
}
.page-contact .ct-sla__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--pitch), var(--pitch-lt));
}
.page-contact .ct-sla__row:nth-child(1) .ct-sla__fill { width: 34%; }
.page-contact .ct-sla__row:nth-child(2) .ct-sla__fill { width: 64%; }
.page-contact .ct-sla__row:nth-child(3) .ct-sla__fill { width: 40%; }
.page-contact .ct-sla__row:nth-child(4) .ct-sla__fill { width: 82%; }
.page-contact .ct-sla__time {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange);
  white-space: nowrap;
}
.page-contact .ct-sla__tip {
  grid-column: 1 / -1;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  transition: max-height 0.26s ease, opacity 0.26s ease, padding-top 0.26s ease;
}
.page-contact .ct-sla__row:hover .ct-sla__tip,
.page-contact .ct-sla__row:focus .ct-sla__tip,
.page-contact .ct-sla__row:focus-within .ct-sla__tip {
  max-height: 140px;
  opacity: 1;
  padding-top: 10px;
}

/* 尾部指引 */
.page-contact .ct-tail {
  border-top: 1px solid var(--rule);
}
.page-contact .ct-tail__inner {
  display: grid;
  gap: 14px;
}
.page-contact .ct-tail__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}
.page-contact .ct-tail__text a {
  color: var(--pitch);
  text-decoration: none;
  border-bottom: 1px solid var(--pitch);
}
.page-contact .ct-tail__text a:hover,
.page-contact .ct-tail__text a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-contact .ct-callout__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: end;
    gap: var(--sp-3);
  }
  .page-contact .ct-desk__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--sp-3);
    align-items: start;
  }
  .page-contact .ct-no__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--sp-3);
    align-items: start;
  }
  .page-contact .ct-partner__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-sla__row {
    grid-template-columns: minmax(150px, 220px) minmax(0, 1fr) minmax(140px, 170px);
    gap: 20px;
  }
  .page-contact .ct-sla__bar {
    display: block;
  }
  .page-contact .ct-tail__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (min-width: 1400px) {
  .page-contact .ct-hero__lede {
    font-size: 19px;
  }
}

/* 窄屏收敛 */
@media (max-width: 560px) {
  .page-contact .ct-faq__body {
    padding-left: 0;
  }
  .page-contact .ct-steps__item {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
  }
  .page-contact .ct-sla__time {
    white-space: normal;
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-copy,
  .page-contact .ct-faq__mark::after,
  .page-contact .ct-faq__label,
  .page-contact .ct-sla__row,
  .page-contact .ct-sla__tip {
    transition: none;
  }
}