.page-contact {
  --contact-rule: rgba(111, 143, 130, 0.24);
  --contact-rule-soft: rgba(111, 143, 130, 0.13);
  --contact-panel: rgba(14, 31, 24, 0.74);
  display: block;
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(36px, 6.5vw, 84px) 0 clamp(34px, 6vw, 72px);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.35) contrast(1.06);
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 10% 6%, rgba(255, 165, 31, 0.10), transparent 58%),
    linear-gradient(180deg, rgba(7, 18, 14, 0.66) 0%, rgba(7, 18, 14, 0.9) 62%, var(--ink-900) 100%);
}

.page-contact .contact-hero__cut {
  position: absolute;
  right: -16%;
  top: 6%;
  width: min(54vw, 460px);
  height: min(54vw, 460px);
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(140deg, rgba(255, 165, 31, 0.18), rgba(58, 160, 255, 0.07) 68%, transparent);
  clip-path: polygon(26% 0, 100% 0, 100% 74%, 0 100%, 0 34%);
}

.page-contact .contact-hero__inner {
  position: relative;
  display: grid;
  gap: 16px;
  max-width: 940px;
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6.2vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--white);
  text-wrap: balance;
  max-width: 20ch;
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: var(--moss);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

/* ---------- 通用区块节奏 ---------- */
.page-contact .contact-block {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-contact .contact-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .contact-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.008em;
  color: var(--white);
  max-width: 30ch;
}

.page-contact .contact-head .exhibit-tag {
  margin: 0;
  color: var(--moss);
}

/* ---------- 两条通道 ---------- */
.page-contact .contact-routes__grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-contact .route-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--contact-panel);
  border: 1px solid var(--contact-rule);
  border-top: 3px solid var(--contact-rule);
  overflow: hidden;
}

.page-contact .route-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 30px 30px 0;
  border-color: transparent transparent transparent transparent;
}

.page-contact .route-card--a {
  border-top-color: var(--amber);
}

.page-contact .route-card--b {
  border-top-color: var(--blue);
}

.page-contact .route-card--a::after {
  border-color: transparent var(--amber) transparent transparent;
  border-width: 0 30px 30px 0;
  opacity: 0.9;
}

.page-contact .route-card--b::after {
  border-color: transparent var(--blue) transparent transparent;
  border-width: 0 30px 30px 0;
  opacity: 0.9;
}

.page-contact .route-card .exhibit-tag {
  margin: 0;
  color: var(--moss);
}

.page-contact .route-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.3;
  color: var(--white);
}

.page-contact .route-card__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--moss);
}

.page-contact .route-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .route-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid var(--contact-rule-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .route-list__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding-top: 4px;
  color: var(--moss);
}

.page-contact .route-card--a .route-list__num {
  color: var(--amber);
}

.page-contact .route-card--b .route-list__num {
  color: var(--blue);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow-figure {
  margin: 0 0 clamp(26px, 3.6vw, 42px);
  border: 1px solid var(--contact-rule);
  background: var(--ink-800);
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 600;
  object-fit: cover;
  opacity: 0.88;
}

.page-contact .flow-figure figcaption {
  padding: 11px 16px;
  border-top: 1px solid var(--contact-rule-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--moss);
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 780px;
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 28px;
}

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

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 9.5px;
  top: 20px;
  bottom: -2px;
  width: 1px;
  background: var(--contact-rule);
}

.page-contact .flow-step:last-child::before {
  content: none;
}

.page-contact .flow-step__dot {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-soft);
}

.page-contact .flow-step__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.4;
  color: var(--white);
}

.page-contact .flow-step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--moss);
  max-width: 62ch;
}

/* ---------- 联系方式展签 ---------- */
.page-contact .contact-card {
  position: relative;
  padding: clamp(22px, 3.4vw, 42px);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(7, 18, 14, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 18, 14, 0.055) 1px, transparent 1px);
  background-size: 36px 36px;
  border-left: 4px solid var(--amber);
  color: var(--ink-900);
}

.page-contact .contact-card__lead {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .contact-card__list {
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(7, 18, 14, 0.16);
}

.page-contact .contact-card__row {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(7, 18, 14, 0.16);
}

.page-contact .contact-card__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-700);
  opacity: 0.78;
}

.page-contact .contact-card__row dd {
  margin: 0;
}

.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.6vw, 24px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--addr {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.6;
}

.page-contact .contact-card__note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 咨询前可以先看 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--contact-rule);
}

.page-contact .prep-item a {
  display: grid;
  gap: 8px;
  padding: 18px 6px;
  border-bottom: 1px solid var(--contact-rule);
  text-decoration: none;
  color: inherit;
  transition: background-color 180ms ease;
}

.page-contact .prep-item a:hover,
.page-contact .prep-item a:focus-visible {
  background: var(--ink-700);
}

.page-contact .prep-item__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-contact .prep-item__body {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.page-contact .prep-item__body strong {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.4;
  color: var(--white);
}

.page-contact .prep-item__body span {
  font-size: 14px;
  line-height: 1.72;
  color: var(--moss);
}

.page-contact .prep-item__go {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-card__row {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 760px) {
  .page-contact .prep-item a {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-routes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-hero__cut {
    right: -8%;
    top: 4%;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__inner {
    max-width: 1020px;
  }

  .page-contact .flow-steps {
    max-width: 860px;
  }
}

@media (max-width: 480px) {
  .page-contact .contact-hero__cut {
    right: -30%;
    top: 2%;
    width: 76vw;
    height: 76vw;
    opacity: 0.7;
  }

  .page-contact .contact-hero__quick .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-contact .route-list li {
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 8px;
  }
}