.page-contact {
  --contact-lift: 26px;
  --contact-ring: 136px;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-contact .crumbs {
  padding-top: 22px;
  padding-bottom: 4px;
  font-size: 12px;
}

.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

.page-contact .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .crumbs .link {
  color: var(--muted);
  text-decoration: none;
}

.page-contact .crumbs .link:hover,
.page-contact .crumbs .link:focus-visible {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(28px, 4vw, 52px);
}

.page-contact .hero-row {
  align-items: end;
  gap: 32px;
}

.page-contact .hero-copy h1 {
  margin: 14px 0 18px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 5.2vw, 4rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .hero-aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding-left: 4px;
}

.page-contact .hero-aside-label {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 时段环 ---------- */

.page-contact .hours-ring {
  position: relative;
  width: var(--contact-ring);
  height: var(--contact-ring);
  border-radius: 50%;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 50%, rgba(0, 229, 255, .16), rgba(0, 229, 255, 0) 66%),
    var(--panel);
  display: grid;
  place-items: center;
  flex: none;
}

.page-contact .hours-ring::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  border-left-color: transparent;
  border-bottom-color: transparent;
  transform: rotate(-24deg);
  animation: contact-hour-pulse 3.4s var(--ease) infinite;
}

.page-contact .hours-ring--large {
  --contact-ring: 176px;
}

.page-contact .ring-core {
  font-size: 20px;
  letter-spacing: .04em;
  color: var(--white);
}

@keyframes contact-hour-pulse {
  0%, 100% { opacity: .42; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .hours-ring::after { animation: none; opacity: .8; }
}

/* ---------- 渠道卡 ---------- */

.page-contact .channels-figure {
  position: relative;
  margin: 0 0 clamp(28px, 4vw, 44px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  aspect-ratio: 1200 / 800;
  max-height: 320px;
}

.page-contact .channels-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: .82;
}

.page-contact .head-text {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 42em;
}

.page-contact .head-text .lede {
  margin: 0;
}

.page-contact .channel-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 24px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.page-contact .channel-name {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-value {
  margin: 4px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--panel-2);
  border-left: 2px solid var(--cyan);
  color: var(--white);
  font-size: 15px;
  line-height: 1.5;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-card--phone .channel-value { border-left-color: var(--lg-basket); }
.page-contact .channel-card--addr .channel-value { border-left-color: var(--lg-cup); }

.page-contact .channel-scene {
  margin: 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

/* ---------- 自助入口 ---------- */

.page-contact .selfhelp {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .selfhelp-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .selfhelp-head .lede { margin: 0; }

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

.page-contact .selfhelp-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-pill);
  background: var(--panel);
  border: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .selfhelp-item:hover,
.page-contact .selfhelp-item:focus-visible {
  border-color: var(--cyan);
  background: var(--panel-2);
}

.page-contact .selfhelp-num {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--cyan);
  font-size: 13px;
}

.page-contact .selfhelp-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-contact .selfhelp-body strong {
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
}

.page-contact .selfhelp-text {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .selfhelp-go {
  margin-left: auto;
  flex: none;
  color: var(--cyan);
  font-size: 18px;
}

/* ---------- 合作建议 ---------- */

.page-contact .coop-grid {
  gap: 20px;
  margin-top: clamp(24px, 4vw, 38px);
}

.page-contact .coop-panel {
  height: 100%;
  padding: 26px 24px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .coop-panel--accent {
  border-color: rgba(255, 122, 24, .38);
  background: linear-gradient(160deg, rgba(255, 122, 24, .12), rgba(11, 23, 48, .9) 58%);
}

.page-contact .coop-title {
  margin: 0;
  font-size: 19px;
  color: var(--white);
}

.page-contact .coop-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .coop-list {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .coop-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  color: var(--white);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .coop-list li .mono {
  color: var(--cyan);
  font-size: 12px;
}

.page-contact .coop-note {
  font-size: 13px !important;
  color: var(--orange-soft) !important;
  padding-top: 12px;
  border-top: 1px dashed rgba(255, 122, 24, .32);
}

/* ---------- 在线时段 ---------- */

.page-contact .hours-grid {
  align-items: center;
  gap: 28px;
}

.page-contact .hours-visual {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-contact .hours-caption {
  margin: 0;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .hours-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .hours-body .lede { margin: 0 0 6px; }

.page-contact .hours-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .hours-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .hours-row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .hours-row dt {
  font-size: 14px;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-contact .hours-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 备案与运营 ---------- */

.page-contact .ops-grid {
  align-items: center;
  gap: 28px;
}

.page-contact .ops-map .media-frame {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

.page-contact .ops-facts {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .ops-facts .lede { margin: 0 0 4px; }

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

.page-contact .ops-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ops-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .ops-key {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .ops-val {
  font-size: 15px;
  color: var(--white);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ops-note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 窄屏 ---------- */

@media (max-width: 640px) {
  .page-contact .hero-aside {
    flex-direction: row;
    align-items: center;
    gap: 16px;
  }

  .page-contact .hours-ring { --contact-ring: 92px; }
  .page-contact .hours-ring--large { --contact-ring: 120px; }
  .page-contact .ring-core { font-size: 16px; }

  .page-contact .note-vertical {
    writing-mode: horizontal-tb;
    transform: none;
  }

  .page-contact .channels-figure { max-height: 200px; }

  .page-contact .selfhelp-item {
    border-radius: var(--radius-lg);
    align-items: flex-start;
  }

  .page-contact .ops-list li { justify-content: flex-start; }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-contact .channel-deck {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  .page-contact .channel-card--mail { margin-top: 0; }
  .page-contact .channel-card--phone { margin-top: var(--contact-lift); }
  .page-contact .channel-card--addr { margin-top: calc(var(--contact-lift) * 2); }

  .page-contact .selfhelp {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-contact .hours-row {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 1180px) {
  .page-contact .channel-card { padding: 30px 28px 26px; }
}