.page-contact {
  --contact-line: rgba(154, 166, 161, .26);
  --contact-line-dark: rgba(47, 240, 190, .22);
  --contact-soft: #2A3A34;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding: 22px 0 6px;
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-contact .crumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .crumb a:hover,
.page-contact .crumb a:focus-visible {
  text-decoration: underline;
}

.page-contact .crumb + .crumb::before {
  content: "/";
  margin-right: 8px;
  color: rgba(154, 166, 161, .55);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(18px, 3vw, 34px) 0 clamp(40px, 7vw, 84px);
  background:
    radial-gradient(95% 75% at 8% -25%, rgba(47, 240, 190, .18), transparent 62%),
    linear-gradient(180deg, var(--green) 0%, var(--ink) 80%);
  border-bottom: 1px solid var(--contact-line-dark);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(47, 240, 190, .07) 0 1px, transparent 1px 104px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .75), transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .75), transparent 72%);
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 18px;
  line-height: .98;
  letter-spacing: -.022em;
}

.page-contact .contact-hero .lede {
  max-width: 46ch;
  margin: 0;
  color: rgba(244, 247, 245, .84);
}

.page-contact .contact-hero__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-hero__facts > div {
  background: rgba(6, 18, 15, .88);
  padding: 13px 16px;
}

.page-contact .contact-hero__facts dt {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-contact .contact-hero__facts dd {
  margin: 7px 0 0;
  font-family: var(--font-num);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.25;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 1px solid var(--contact-line-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.page-contact .contact-hero__media .media-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 10px clamp(14px, 2vw, 20px);
  background: linear-gradient(180deg, transparent, rgba(6, 18, 15, .88));
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(244, 247, 245, .8);
}

/* ---------- 通用区块 ---------- */
.page-contact .band {
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-contact .band--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .band--green {
  background: linear-gradient(180deg, var(--green) 0%, #08281F 100%);
  color: var(--paper);
}

.page-contact .band--ink {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .contact-section__head {
  max-width: 720px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .contact-section__head .t-title {
  margin: 10px 0 14px;
}

.page-contact .band--paper .eyebrow {
  color: var(--green);
}

.page-contact .band--paper .prose {
  color: var(--contact-soft);
}

.page-contact .band--ink .prose,
.page-contact .band--green .prose {
  color: rgba(244, 247, 245, .78);
}

/* ---------- 三类来意 ---------- */
.page-contact .contact-cards {
  display: grid;
  gap: 1px;
  background: rgba(8, 9, 10, .16);
  border: 1px solid rgba(8, 9, 10, .16);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--paper);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
}

.page-contact .contact-card--support {
  --accent: var(--blue);
}

.page-contact .contact-card--partner {
  --accent: var(--orange);
}

.page-contact .contact-card--fix {
  --accent: var(--violet);
}

.page-contact .contact-card__index {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(34px, 6vw, 44px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--accent);
}

.page-contact .contact-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .contact-card__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: var(--contact-soft);
}

.page-contact .contact-card__details {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(8, 9, 10, .12);
}

.page-contact details > summary {
  list-style: none;
}

.page-contact details > summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-card__details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ink);
}

.page-contact details > summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 17px;
  line-height: 1;
  color: var(--accent, var(--green));
}

.page-contact details[open] > summary::after {
  content: "–";
}

.page-contact .contact-card__details ul {
  display: grid;
  gap: 7px;
  margin: 14px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.55;
  color: #43554E;
}

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

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-contact .contact-channels .t-title {
  margin: 10px 0 6px;
}

.page-contact .channel {
  margin-top: clamp(20px, 3vw, 30px);
  padding-left: 18px;
  border-left: 1px solid var(--contact-line-dark);
}

.page-contact .channel__value {
  margin: 8px 0 10px;
  font-family: var(--font-num);
  font-size: clamp(18px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--yellow);
  word-break: break-word;
}

.page-contact .channel__value--mail {
  color: var(--cyan);
}

.page-contact .channel__note {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(244, 247, 245, .74);
}

.page-contact .contact-channels__media {
  margin: 0;
  border: 1px solid var(--contact-line-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

/* ---------- 地址与备案 ---------- */
.page-contact .legal-rows {
  margin: 0;
  border-top: 1px solid rgba(8, 9, 10, .14);
}

.page-contact .legal-row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(8, 9, 10, .14);
}

.page-contact .legal-row dt {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #5C6E67;
}

.page-contact .legal-row dd {
  margin: 0;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.4;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .legal-num {
  font-family: var(--font-num);
  letter-spacing: .01em;
}

.page-contact .legal-copy {
  margin-top: clamp(22px, 3vw, 32px);
  padding: 14px 18px;
  border: 1px dashed rgba(8, 9, 10, .22);
  border-radius: var(--radius);
  background: rgba(11, 59, 46, .045);
}

.page-contact .legal-copy summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  font-size: 14px;
  color: var(--green);
}

.page-contact .legal-copy summary::after {
  color: var(--green);
}

.page-contact .legal-copy p {
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--ink);
}

/* ---------- 回复时间 ---------- */
.page-contact .contact-time {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .contact-time .t-title {
  margin: 10px 0 14px;
}

.page-contact .contact-hours {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--contact-line-dark);
  border-radius: var(--radius-lg);
  background: rgba(6, 18, 15, .55);
  box-shadow: var(--shadow);
}

.page-contact .contact-hours__num {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--yellow);
  text-shadow: 0 0 26px rgba(255, 225, 77, .28);
}

.page-contact .contact-hours__num span {
  margin: 0 .12em;
  color: var(--cyan);
}

.page-contact .contact-hours__label {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-contact .contact-hours__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(244, 247, 245, .74);
}

/* ---------- 交叉入口 ---------- */
.page-contact .contact-links {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--contact-line);
  border-top: 1px solid var(--contact-line);
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-links li {
  background: var(--ink);
}

.page-contact .contact-links a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 26px) clamp(16px, 2.4vw, 24px);
  font-family: var(--font-head);
  font-size: clamp(18px, 2.2vw, 23px);
  letter-spacing: -.01em;
  color: var(--paper);
  text-decoration: none;
  transition: background .25s var(--ease), color .25s var(--ease);
}

.page-contact .contact-links a span {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--grey);
  transition: color .25s var(--ease);
}

.page-contact .contact-links a:hover,
.page-contact .contact-links a:focus-visible {
  background: var(--green);
  color: var(--cyan);
  outline: none;
}

.page-contact .contact-links a:focus-visible {
  box-shadow: inset 0 0 0 2px var(--cyan);
}

.page-contact .contact-links a:hover span,
.page-contact .contact-links a:focus-visible span {
  color: rgba(244, 247, 245, .82);
}

/* ---------- 动效 ---------- */
.page-contact [data-reveal] {
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

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

@media (min-width: 720px) {
  .page-contact .legal-row {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

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

  .page-contact .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-channels {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .contact-time {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .contact-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-contact .band {
    padding: clamp(64px, 7vw, 104px) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal],
  .page-contact .contact-links a,
  .page-contact .contact-links a span {
    transition: none;
  }
}