.page-contact {
  --contact-rail-w: 336px;
  color: var(--text);
  background:
    radial-gradient(120% 70% at 92% -8%, rgba(79, 240, 220, 0.1), transparent 62%),
    radial-gradient(90% 60% at -8% 26%, rgba(255, 122, 26, 0.07), transparent 58%),
    var(--ink-void);
  padding-bottom: 96px;
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 240, 220, 0.35);
}

.page-contact a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .breadcrumb {
  padding: 24px 0 0;
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-weak);
}

.page-contact .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 26px 0 0;
}

.contact-hero__grid {
  display: grid;
  gap: 30px;
}

.contact-hero__copy h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 9vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.01em;
}

.contact-hero__copy .lede {
  margin: 0;
  max-width: 48ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text-mute);
}

.hero-facts {
  display: grid;
  gap: 16px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.hero-facts li {
  padding-left: 14px;
  border-left: 2px solid var(--ink-line);
}

.hero-facts__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.4vw, 20px);
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.hero-facts__cap {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-weak);
}

.page-contact .media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  background: var(--ink-navy);
}

.page-contact .media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.contact-hero__media {
  aspect-ratio: 3 / 2;
}

/* ---------- 主体双栏 ---------- */
.contact-body {
  display: grid;
  gap: 40px;
  margin-top: 52px;
}

.contact-body > * {
  min-width: 0;
}

.contact-panel {
  padding: 22px 20px 20px;
  border: 1px solid var(--cyan);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(155deg, rgba(79, 240, 220, 0.13), rgba(11, 20, 38, 0.96) 54%),
    var(--ink-navy);
  box-shadow: 0 26px 60px -34px rgba(79, 240, 220, 0.5);
}

.contact-panel__cap {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: 0.06em;
}

.contact-panel__list {
  display: grid;
  gap: 13px;
  margin: 0;
}

.contact-panel__row {
  display: grid;
  gap: 5px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--ink-line);
}

.contact-panel__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.contact-panel__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--text-weak);
}

.contact-panel__val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

.contact-panel__val--mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.contact-panel__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--ink-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-mute);
}

/* ---------- 章节通用 ---------- */
.contact-flow {
  min-width: 0;
}

.page-contact .contact-block {
  padding: 0 0 48px;
}

.contact-flow > .contact-block + .contact-block {
  padding-top: 48px;
  border-top: 1px solid var(--ink-line);
}

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

.page-contact .section-head {
  margin-bottom: 26px;
}

.page-contact .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 5.6vw, 40px);
  line-height: 1.06;
}

.page-contact .tag {
  display: inline-block;
  margin: 0 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

/* ---------- 渠道 ---------- */
.channel-grid {
  display: grid;
  gap: 16px;
}

.channel-card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  background: var(--ink-panel);
}

.channel-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.22;
}

.channel-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-mute);
}

.timeline-row {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.timeline__cap {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--text-weak);
}

.timeline {
  position: relative;
  height: 64px;
}

.timeline__label {
  position: absolute;
  top: 0;
  left: 56.25%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  white-space: nowrap;
}

.timeline__track {
  position: absolute;
  top: 26px;
  left: 0;
  right: 0;
  height: 6px;
  border-radius: 99px;
  background: var(--ink-line);
}

.timeline__span {
  position: absolute;
  top: 26px;
  left: 37.5%;
  width: 37.5%;
  height: 6px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--cyan-deep), var(--cyan));
  box-shadow: 0 0 18px rgba(79, 240, 220, 0.45);
}

.timeline__tick {
  position: absolute;
  top: 42px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-weak);
}

.timeline__tick--0 {
  left: 0;
}

.timeline__tick--9 {
  left: 37.5%;
  transform: translateX(-50%);
}

.timeline__tick--18 {
  left: 75%;
  transform: translateX(-50%);
}

.timeline__tick--24 {
  right: 0;
}

.timeline__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-weak);
}

.contact-media {
  aspect-ratio: 9 / 5;
}

/* ---------- 服务范围 ---------- */
.service-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--ink-line);
}

.service-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 18px;
  background: var(--ink-navy);
}

.service-item__num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
}

.service-item__body {
  min-width: 0;
}

.service-item__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.25;
}

.service-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-mute);
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 14.5px;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ---------- 反馈清单 ---------- */
.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list > li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  background: rgba(17, 30, 56, 0.62);
}

.check-list__box {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--cyan-deep);
  border-radius: 6px;
}

.check-list__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
}

.check-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
}

.check-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-mute);
}

.block-note {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-weak);
}

/* ---------- 合作 ---------- */
.coop-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.filter-status {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-weak);
}

.coop-grid {
  display: grid;
  gap: 18px;
}

.coop-card {
  position: relative;
  overflow: hidden;
  padding: 24px 20px;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  background: var(--ink-panel);
}

.coop-card::after {
  content: "";
  position: absolute;
  top: -30%;
  left: -12%;
  width: 52%;
  height: 170%;
  background: linear-gradient(90deg, rgba(79, 240, 220, 0.15), transparent);
  transform: skewX(-14deg);
  pointer-events: none;
}

.coop-card--data::after {
  left: auto;
  right: -12%;
  background: linear-gradient(270deg, rgba(255, 122, 26, 0.17), transparent);
  transform: skewX(14deg);
}

.coop-card > * {
  position: relative;
  z-index: 1;
}

.coop-card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 23px;
  line-height: 1.2;
}

.coop-card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-mute);
}

.coop-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.coop-card li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-mute);
}

.coop-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--cyan-deep);
  transform: rotate(45deg);
}

.coop-card--data li::before {
  background: var(--orange);
}

/* ---------- 地址与折叠 ---------- */
.address-card {
  margin-bottom: 22px;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--orange);
}

.address-card__line {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.8vw, 21px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text);
}

.address-card__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-mute);
}

.page-contact .visit-card {
  padding: 4px 18px;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  background: var(--ink-navy);
}

.page-contact .visit-card .card__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 18px 0;
  border: 0;
  background: none;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.02em;
  text-align: left;
  cursor: pointer;
}

.page-contact .visit-card .card__toggle::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 20px;
  color: var(--cyan);
}

.page-contact .visit-card[data-expanded] .card__toggle::after {
  content: "\2212";
}

.page-contact .visit-card .card__detail {
  display: none;
  padding-bottom: 18px;
}

.page-contact .visit-card[data-expanded] .card__detail {
  display: block;
}

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

.visit-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-mute);
}

.visit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 720px) {
  .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 18px;
    padding: 26px 24px;
  }
}

@media (min-width: 860px) {
  .timeline-row {
    grid-template-columns: 1.15fr minmax(0, 0.85fr);
    align-items: center;
    gap: 34px;
  }

  .coop-grid {
    grid-template-columns: 1.35fr minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: 48px;
  }

  .contact-body {
    grid-template-columns: var(--contact-rail-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    margin-top: 64px;
  }

  .contact-rail {
    position: sticky;
    top: 28px;
  }

  .contact-hero__copy .lede {
    font-size: 17.5px;
  }
}

@media (min-width: 1200px) {
  .page-contact {
    --contact-rail-w: 360px;
  }
}