.page-contact {
  --pc-gap: clamp(20px, 4vw, 44px);
  --pc-pad: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(40px, 8vw, 88px);
}

.page-contact .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 40px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .contact-hero__title {
  margin: 10px 0 18px;
  max-width: 20ch;
}

.page-contact .contact-hero__lede {
  color: var(--text-muted);
  max-width: 48ch;
}

.page-contact .contact-hero__chips {
  margin-top: 24px;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-hero__chips .chip {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .contact-hero__media,
.page-contact .channel-map {
  margin: 0;
  border: var(--border-w) solid var(--line);
  border-radius: var(--radius-block);
  overflow: hidden;
  background: var(--pitch-900);
}

.page-contact .contact-hero__media {
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-hero__media img,
.page-contact .channel-map img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
}

.page-contact .contact-sechead {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .contact-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.18;
  margin: 8px 0 14px;
  letter-spacing: -0.01em;
}

.page-contact .contact-sechead .lede {
  color: var(--text-muted);
  max-width: 64ch;
}

/* 渠道 */
.page-contact .channel-grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .channel-col {
  display: grid;
  gap: 16px;
}

.page-contact .channel-list {
  display: grid;
  gap: 12px;
}

.page-contact .channel-card {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border: var(--border-w) solid var(--line);
  border-radius: var(--radius-block);
  background: linear-gradient(158deg, var(--pitch-700), var(--pitch-900) 72%);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact .channel-card--accent {
  border-color: var(--accent);
  background: linear-gradient(158deg, var(--pitch-700), var(--ink-950) 78%);
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--link);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(14px, 2.2vw, 18px);
  line-height: 1.5;
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-card--accent .channel-card__value {
  color: var(--accent);
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .desk-panel {
  padding: var(--pc-pad);
  border: var(--border-w) solid var(--line);
  border-radius: var(--radius-block);
  background: linear-gradient(160deg, var(--surface-2), var(--ink-950) 68%);
  box-shadow: var(--shadow-hard);
}

.page-contact .desk-panel h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 25px);
  color: var(--paper-100);
}

.page-contact .desk-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

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

.page-contact .desk-item:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .desk-item__type {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--time);
}

.page-contact .desk-item__body {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .desk-item__how {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-contact .desk-item__how a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 赛程反馈 */
.page-contact .feedback-grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .feedback-body p {
  margin: 0 0 16px;
  max-width: 62ch;
  color: var(--text-muted);
  line-height: 1.85;
}

.page-contact .feedback-body .btn {
  margin-top: 6px;
}

.page-contact .feedback-side {
  padding: var(--pc-pad);
  border: var(--border-w) solid var(--line);
  border-left-width: 6px;
  border-left-color: var(--accent);
  border-radius: var(--radius-block);
  background: var(--surface);
}

.page-contact .feedback-side h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 22px);
}

.page-contact .mini-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .mini-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .mini-list__no {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  color: var(--time);
  letter-spacing: 0.06em;
}

/* 共建 */
.page-contact .build-grid {
  display: grid;
  gap: 14px;
}

.page-contact .build-card {
  padding: var(--pc-pad);
  border: var(--border-w) solid var(--line);
  border-radius: var(--radius-block);
  background: var(--surface);
}

.page-contact .build-card--a {
  background: linear-gradient(150deg, var(--pitch-700), var(--pitch-900) 75%);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact .build-card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.3vw, 24px);
  line-height: 1.25;
}

.page-contact .build-card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-contact .build-card p a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .build-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .build-list li::marker {
  color: var(--accent);
}

/* 服务时间 */
.page-contact .hours-grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .hours-panel {
  padding: var(--pc-pad);
  border: var(--border-w) solid var(--accent);
  border-radius: var(--radius-block);
  background: linear-gradient(168deg, var(--pitch-700), var(--ink-950) 82%);
}

.page-contact .hours-num {
  margin: 6px 0 16px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(34px, 7vw, 58px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.page-contact .hours-copy {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  max-width: 40ch;
}

.page-contact .hours-copy--muted {
  margin-bottom: 0;
  font-size: 14px;
  color: var(--text-muted);
}

.page-contact .reply-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 22px);
}

.page-contact .reply-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line);
}

.page-contact .reply-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 2px solid var(--line);
}

.page-contact .reply-type {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--time);
}

.page-contact .reply-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .reply-when {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.page-contact .reply-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact .reply-note a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 准备清单与问答 */
.page-contact .faq {
  display: grid;
  gap: 10px;
}

.page-contact .faq > .disclosure {
  border: var(--border-w) solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}

.page-contact .faq > .disclosure[data-open] {
  border-color: var(--accent);
}

.page-contact .disclosure-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  background: none;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
}

.page-contact .disclosure-trigger:focus-visible {
  outline: 2px solid var(--cyan-300);
  outline-offset: -3px;
}

.page-contact .disclosure-icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--accent);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .disclosure-trigger[aria-expanded="true"] .disclosure-icon {
  transform: rotate(45deg);
  border-color: var(--accent);
}

.page-contact .disclosure-panel {
  padding: 0 18px 18px;
}

.page-contact .check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(242, 246, 241, 0.03);
}

.page-contact .check-no {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.page-contact .check-text {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .check-sub {
  display: block;
  margin-top: 3px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-contact .qa {
  margin: 0;
}

.page-contact .qa dt {
  margin-top: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper-100);
}

.page-contact .qa dt:first-child {
  margin-top: 0;
}

.page-contact .qa dd {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* 收束 */
.page-contact .contact-close {
  position: relative;
  margin-top: clamp(30px, 6vw, 64px);
  padding: clamp(26px, 5vw, 52px);
  border: var(--border-w) solid var(--line);
  border-radius: var(--radius-block);
  background: var(--ink-950);
  overflow: hidden;
}

.page-contact .contact-close::before {
  content: "";
  position: absolute;
  inset: -12%;
  background-image:
    linear-gradient(to right, rgba(44, 58, 52, 0.9) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(44, 58, 52, 0.9) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: rotate(-5deg);
  opacity: 0.6;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(120deg, transparent 18%, #000 78%);
  mask-image: linear-gradient(120deg, transparent 18%, #000 78%);
}

.page-contact .contact-close__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  max-width: 62ch;
}

.page-contact .contact-close__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.22;
  color: var(--paper-100);
}

.page-contact .contact-close__copy {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-muted);
  overflow-wrap: anywhere;
}

.page-contact .contact-close__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-contact .contact-close__links a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .contact-close__links a:hover,
.page-contact .contact-close__links a:focus-visible {
  border-bottom-color: var(--link);
}

.page-contact .icp-line {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

@media (min-width: 720px) {
  .page-contact .reply-row {
    grid-template-columns: 132px minmax(0, 1fr) 108px;
    align-items: baseline;
    gap: 18px;
  }

  .page-contact .reply-when {
    text-align: right;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .build-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-contact .build-card--a {
    grid-column: span 4;
  }

  .page-contact .build-card--b {
    grid-column: span 2;
  }

  .page-contact .build-card--c {
    grid-column: span 6;
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .disclosure-icon,
  .page-contact .contact-close__links a {
    transition: none;
  }
}