/* ===== 联系我们 · 页面专属样式 ===== */
.page-contact {
  background: var(--color-bg-deep);
  color: var(--color-white);
  overflow-x: hidden;
}

/* ---- 首屏封面 ---- */
.page-contact .contact-hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 56px);
  padding-bottom: 64px;
  background: linear-gradient(135deg, #0B1D33 0%, #133353 52%, #0A1628 100%);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .contact-hero__photo {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  filter: saturate(0.72) contrast(1.08) brightness(0.92);
}

.page-contact .contact-hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, rgba(11, 29, 51, 0.92) 0%, rgba(11, 29, 51, 0.86) 34%, rgba(10, 22, 40, 0.44) 78%, rgba(10, 22, 40, 0.72) 100%),
    linear-gradient(180deg, rgba(11, 29, 51, 0.55) 0%, rgba(11, 29, 51, 0.18) 44%, rgba(10, 22, 40, 0.88) 100%);
}

.page-contact .contact-hero__content {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 24px;
}

.page-contact .contact-hero .tibet-stripe {
  margin-bottom: 28px;
  max-width: 220px;
}

.page-contact .contact-hero__title {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: 1.16;
  letter-spacing: 0.01em;
  max-width: 860px;
}

.page-contact .contact-hero__title-line {
  color: var(--color-accent);
  margin: 0 0.18em;
}

.page-contact .contact-hero__title-gold {
  color: var(--color-gold);
}

.page-contact .contact-hero__lead {
  margin: 0 0 32px;
  max-width: 640px;
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--color-gray);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.page-contact .contact-hero__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-small);
  color: var(--color-gray);
  background: rgba(18, 42, 68, 0.66);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 8px 16px;
  backdrop-filter: blur(6px);
}

.page-contact .contact-hero__meta-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex: 0 0 auto;
}

/* ---- 联系方式卡片 ---- */
.page-contact .contact-channels {
  padding: 96px 0 80px;
  background: linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg) 100%);
}

.page-contact .contact-channels .section-head {
  margin-bottom: 52px;
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 900px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.page-contact .contact-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 32px 28px 28px;
  min-height: 260px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.22);
  transition: transform 0.26s var(--ease-out), border-color 0.26s var(--ease-out), box-shadow 0.26s var(--ease-out);
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity 0.3s var(--ease-out);
}

.page-contact .contact-channel:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(198, 255, 62, 0.4);
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.34);
}

.page-contact .contact-channel:hover::before {
  opacity: 0.8;
}

.page-contact .contact-channel--hotline {
  border-color: rgba(247, 201, 72, 0.28);
}

.page-contact .contact-channel--hotline::before {
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.page-contact .contact-channel:focus-within {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.page-contact .contact-channel__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(198, 255, 62, 0.12);
  border: 1px solid rgba(198, 255, 62, 0.22);
  color: var(--color-accent);
  margin-bottom: 20px;
}

.page-contact .contact-channel--hotline .contact-channel__icon {
  background: rgba(247, 201, 72, 0.12);
  border-color: rgba(247, 201, 72, 0.28);
  color: var(--color-gold);
}

.page-contact .contact-channel__icon svg {
  width: 24px;
  height: 24px;
}

.page-contact .contact-channel__label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-gray);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.page-contact .contact-channel__value {
  font-family: var(--font-display);
  font-size: 1.28rem;
  line-height: 1.4;
  word-break: break-all;
  color: var(--color-white);
  text-decoration: none;
  margin-bottom: 12px;
  transition: color 0.2s var(--ease-out);
}

.page-contact .contact-channel__value--email {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--color-accent);
}

.page-contact .contact-channel--hotline .contact-channel__value {
  color: var(--color-gold);
  font-size: 1.55rem;
}

.page-contact a.contact-channel__value:hover {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .contact-channel--hotline a.contact-channel__value:hover {
  color: var(--color-gold);
}

.page-contact .contact-channel__note {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--color-gray);
  margin: 0 0 20px;
  flex: 1;
}

.page-contact .contact-channel__action {
  align-self: flex-start;
}

.page-contact .contact-channel__value--email::after {
  content: "▍";
  margin-left: 2px;
  color: var(--color-accent);
  animation: tbContactBlink 1.1s step-end infinite;
}

@keyframes tbContactBlink {
  50% {
    opacity: 0;
  }
}

/* ---- 工作时间 ---- */
.page-contact .contact-hours {
  padding: 72px 0;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 12% 18%, rgba(247, 201, 72, 0.14) 0%, transparent 50%),
    var(--color-bg);
}

.page-contact .contact-hours__card {
  background: linear-gradient(135deg, rgba(18, 42, 68, 0.92), rgba(11, 29, 51, 0.96));
  border: 1px solid rgba(247, 201, 72, 0.2);
  border-radius: calc(var(--radius) + 6px);
  padding: 40px 30px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.34);
  position: relative;
}

@media (min-width: 900px) {
  .page-contact .contact-hours__card {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: center;
    padding: 52px 56px;
  }
}

.page-contact .contact-hours__main {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 32px;
}

@media (min-width: 900px) {
  .page-contact .contact-hours__main {
    padding-bottom: 0;
    border-bottom: 0;
    border-right: 1px solid var(--color-line);
    margin-bottom: 0;
    padding-right: 48px;
  }
}

.page-contact .contact-hours__main h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  margin: 0 0 18px;
}

.page-contact .contact-hours__range {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1.1;
  color: var(--color-gold);
  margin: 0;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

@media (min-width: 1024px) {
  .page-contact .contact-hours__range {
    font-size: 3.6rem;
  }
}

.page-contact .contact-hours__zone {
  font-size: var(--fs-small);
  color: var(--color-gray);
  margin-top: 6px;
}

.page-contact .contact-hours__list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .contact-hours__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--color-gray);
}

.page-contact .contact-hours__item p {
  margin: 0;
}

.page-contact .contact-hours__item strong {
  color: var(--color-white);
}

.page-contact .contact-hours__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: 0 0 auto;
  margin-top: 8px;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.05);
}

.page-contact .contact-hours__dot--green {
  background: var(--color-accent);
}

.page-contact .contact-hours__dot--gold {
  background: var(--color-gold);
}

.page-contact .contact-hours__dot--gray {
  background: var(--color-gray);
}

/* ---- 通信地址 ---- */
.page-contact .contact-address {
  padding: 96px 0 72px;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
}

.page-contact .contact-address__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 960px) {
  .page-contact .contact-address__inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 72px;
  }
}

.page-contact .contact-address__content h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  margin: 0 0 22px;
}

.page-contact .contact-address__street {
  font-style: normal;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.5;
  color: var(--color-white);
  background: rgba(198, 255, 62, 0.08);
  border-left: 3px solid var(--color-accent);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 18px;
}

.page-contact .contact-address__desc {
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 54ch;
}

.page-contact .contact-address__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .contact-address__list li {
  position: relative;
  padding-left: 28px;
  color: var(--color-gray);
  line-height: 1.7;
  font-size: var(--fs-small);
}

.page-contact .contact-address__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 14px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

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

.page-contact .contact-address__media img {
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.page-contact .contact-address__media figcaption {
  font-size: var(--fs-micro);
  color: var(--color-gray);
  text-align: center;
  margin-top: 10px;
  letter-spacing: 0.04em;
}

/* ---- 相关入口 ---- */
.page-contact .contact-related {
  padding: 80px 0 96px;
  background: var(--color-bg-deep);
}

.page-contact .contact-related .section-head {
  margin-bottom: 44px;
}

.page-contact .contact-related__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

@media (min-width: 900px) {
  .page-contact .contact-related__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

.page-contact .contact-related__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 26px 24px;
  background: rgba(18, 42, 68, 0.72);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  transition: background 0.25s var(--ease-out), border-color 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

@media (min-width: 900px) {
  .page-contact .contact-related__item {
    min-height: 180px;
  }
}

.page-contact .contact-related__item:hover {
  background: var(--color-panel);
  border-color: rgba(198, 255, 62, 0.36);
  transform: translateY(-4px);
}

.page-contact .contact-related__item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.page-contact .contact-related__index {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-accent);
  line-height: 1;
}

.page-contact .contact-related__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .contact-related__title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  line-height: 1.4;
  margin-top: 4px;
}

.page-contact .contact-related__desc {
  font-size: var(--fs-small);
  color: var(--color-gray);
  line-height: 1.65;
  flex: 1;
}

.page-contact .contact-related__arrow {
  align-self: flex-end;
  color: var(--color-accent);
  font-size: 1.2rem;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.page-contact .contact-related__item:hover .contact-related__arrow {
  opacity: 1;
  transform: translateX(0);
}

.page-contact .contact-related__footnote {
  margin-top: 36px;
  font-size: var(--fs-small);
  color: var(--color-gray);
  line-height: 1.7;
  text-align: center;
}

/* ---- 首屏入场动效 ---- */
@keyframes tbContactHeroIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-contact .contact-hero__content > * {
    animation: tbContactHeroIn 0.7s var(--ease-out) both;
  }
  .page-contact .contact-hero__content > *:nth-child(2) {
    animation-delay: 0.06s;
  }
  .page-contact .contact-hero__content > *:nth-child(3) {
    animation-delay: 0.12s;
  }
  .page-contact .contact-hero__content > *:nth-child(4) {
    animation-delay: 0.18s;
  }
  .page-contact .contact-hero__content > *:nth-child(5) {
    animation-delay: 0.24s;
  }
  .page-contact .contact-hero__content > *:nth-child(6) {
    animation-delay: 0.3s;
  }
}