.page-contact {
  background: var(--ink-900);
  color: var(--stone);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  color: var(--paper);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-contact p {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.contact-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(36px, 6vw, 72px);
  background: linear-gradient(180deg, #0B1210 0%, #102b23 72%, #0B1210 100%);
  border-bottom: 1px solid var(--line-soft);
}

.contact-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.contact-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.contact-hero__lead .eyebrow {
  margin-bottom: 14px;
}

.contact-hero h1 {
  font-size: clamp(29px, 5.6vw, 56px);
  line-height: 1.06;
  max-width: 15em;
}

.contact-hero__intro {
  margin-top: 18px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  max-width: 34em;
  color: var(--stone);
}

.contact-hero__hot {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  gap: 18px;
  border-top: 1px solid var(--line-strong);
  padding-top: clamp(18px, 3vw, 26px);
}

.hotline {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hotline__label {
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--moss);
}

.hotline__num {
  font-family: var(--font-mono);
  font-size: clamp(27px, 7vw, 52px);
  line-height: 1.05;
  color: var(--lime);
  letter-spacing: 0.01em;
  user-select: all;
  -webkit-user-select: all;
  overflow-wrap: anywhere;
  width: fit-content;
}

.hotline__num--mail {
  font-size: clamp(15px, 2.4vw, 21px);
  color: var(--paper);
  line-height: 1.4;
}

.contact-hero__tip {
  margin-top: 16px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--moss);
}

.contact-hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink-800);
}

.contact-hero__rail {
  position: absolute;
  top: 0;
  left: -1px;
  width: 3px;
  height: 46%;
  background: var(--lime);
  z-index: 2;
}

.contact-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.contact-hero__caption {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-cond);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--moss);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 三张联系卡 ---------- */
.contact-channels {
  padding: clamp(44px, 7vw, 88px) 0 clamp(36px, 5vw, 64px);
}

.channels-head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.channels-head h2 {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.2;
  margin-top: 10px;
}

.channels-head__sub {
  margin-top: 14px;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.ch-grid {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.ch-card {
  position: relative;
  padding: clamp(20px, 3vw, 30px) 0 clamp(22px, 3vw, 32px);
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.ch-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--lime);
}

.ch-card__value {
  font-family: var(--font-sans);
  font-size: clamp(17px, 2.3vw, 21px);
  line-height: 1.5;
  color: var(--paper);
  user-select: all;
  -webkit-user-select: all;
}

.ch-card__value--mono {
  font-family: var(--font-mono);
  color: var(--lime);
  font-size: clamp(19px, 2.6vw, 24px);
}

.ch-card__value--email {
  font-size: clamp(14.5px, 1.9vw, 17px);
  color: var(--focus);
  overflow-wrap: anywhere;
}

.ch-card__text {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 响应说明 ---------- */
.contact-response {
  background: var(--ink-800);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: clamp(44px, 7vw, 88px) 0;
}

.contact-response__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.contact-response__copy h2 {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.22;
  margin: 10px 0 16px;
}

.contact-response__copy p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
  max-width: 34em;
}

.contact-response__copy p + p {
  margin-top: 14px;
}

.window-list {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.window-list__item {
  position: relative;
  padding: 9px 14px;
  border: 1px solid var(--hairline);
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--paper);
  background: rgba(15, 42, 34, 0.6);
}

.window-list__item:nth-child(2) {
  border-color: var(--lime);
  color: var(--lime);
}

.contact-response__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink-900);
}

.contact-response__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.contact-response__media figcaption {
  padding: 11px 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--moss);
}

/* ---------- 反馈清单 ---------- */
.feedback-kit {
  padding: clamp(44px, 7vw, 88px) 0;
}

.feedback-kit__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.feedback-kit__side h2 {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.22;
  margin: 10px 0 14px;
}

.feedback-kit__note {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
  max-width: 24em;
  border-left: 2px solid var(--clay);
  padding-left: 14px;
}

.feedback-kit__list {
  border-top: 1px solid var(--line-strong);
}

.kit-item {
  border-bottom: 1px solid var(--line-soft);
}

.kit-item__summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 34px 16px 0;
  position: relative;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--paper);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.kit-item__summary::-webkit-details-marker {
  display: none;
}

.kit-item__summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--lime);
  width: 22px;
  text-align: center;
}

.kit-item[open] .kit-item__summary::after {
  content: "−";
  color: var(--ember);
}

.kit-item[open] .kit-item__summary {
  color: var(--lime);
}

.kit-item__body {
  padding: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone);
  max-width: 40em;
}

/* ---------- 合作 ---------- */
.coop {
  padding: clamp(44px, 7vw, 88px) 0;
  background:
    linear-gradient(200deg, rgba(63, 91, 74, 0.34) 0%, rgba(11, 18, 16, 0) 58%),
    var(--ink-900);
  border-top: 1px solid var(--line-soft);
}

.coop__head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.coop__head h2 {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.22;
  margin-top: 10px;
}

.coop__lead {
  margin-top: 14px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

.coop-grid {
  display: grid;
  gap: 16px;
}

.coop-card {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line-soft);
  background: rgba(15, 42, 34, 0.72);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.coop-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 2px;
  height: 52px;
  background: var(--clay);
}

.coop-card__title {
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.4;
}

.coop-card__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 城市位置 ---------- */
.city-block {
  padding: clamp(44px, 7vw, 88px) 0;
  border-top: 1px solid var(--line-soft);
}

.city-block__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.city-block__graphic h2 {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.22;
  margin: 10px 0 20px;
  max-width: 12em;
}

.city-svg {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
}

.city-card {
  border: 1px solid var(--line-strong);
  padding: clamp(20px, 3vw, 28px);
  background: var(--ink-800);
}

.city-card__kicker {
  font-family: var(--font-cond);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 12px;
}

.city-card__addr {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.5;
  color: var(--paper);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.city-facts {
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.city-facts__row {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.city-facts__row dt {
  font-family: var(--font-cond);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--moss);
}

.city-facts__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--stone);
  overflow-wrap: anywhere;
}

.city-card__btn {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

/* ---------- 场景索引 ---------- */
.route-scene {
  padding: clamp(44px, 7vw, 88px) 0 clamp(52px, 8vw, 96px);
  background: var(--ink-800);
  border-top: 1px solid var(--line-soft);
}

.route-scene__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.route-scene__head h2 {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.22;
  margin-top: 10px;
}

.route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.route-row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.route-row__scene {
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--paper);
}

.route-row__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

.route-row__link {
  justify-self: start;
  font-family: var(--font-cond);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  padding: 6px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.route-row__link:hover,
.route-row__link:focus-visible {
  color: var(--focus);
  border-bottom-color: var(--focus);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .contact-hero__hot {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
    align-items: end;
  }

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

  .ch-card {
    padding-left: clamp(16px, 2vw, 26px);
    padding-right: clamp(16px, 2vw, 26px);
    border-left: 1px solid var(--line-soft);
  }

  .ch-card:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .ch-card:last-child {
    padding-right: 0;
  }

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

  .route-row {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr) auto;
    align-items: center;
    gap: 20px;
  }

  .route-row__link {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .contact-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .contact-response__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .feedback-kit__inner {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: start;
  }

  .city-block__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>