.page-contact {
  --contact-cut: 14px;
  --contact-rail: 340px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(28px, 5vw, 56px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 20px;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 10px 0 18px;
  color: var(--foam);
}

.page-contact .contact-hero__intro {
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 246, 248, 0.8);
}

.page-contact .contact-hero__routes {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .route-card {
  position: relative;
  display: grid;
  gap: 7px;
  padding: 20px 22px 20px 26px;
  background: var(--sea-700);
  border: 1px solid var(--glass-line);
  color: var(--foam);
  text-decoration: none;
  clip-path: polygon(var(--contact-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--contact-cut));
  transition: transform 0.34s var(--ease), border-color 0.34s var(--ease), background 0.34s var(--ease);
}

.page-contact .route-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  background: linear-gradient(180deg, var(--tide-400), var(--palm-500));
}

.page-contact .route-card--support::before {
  background: linear-gradient(180deg, var(--lava-500), var(--amber));
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  transform: translateX(5px);
  border-color: var(--glass-line);
  background: var(--sea-500);
}

.page-contact .route-card:focus-visible {
  outline: 2px solid var(--lava-300);
  outline-offset: 3px;
}

.page-contact .route-card__kicker {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist-400);
}

.page-contact .route-card__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-contact .route-card__meta {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--amber);
}

/* ---------- 通用章节头 ---------- */
.page-contact .section-head {
  max-width: 60ch;
  margin-bottom: 32px;
}

.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin: 8px 0 12px;
  color: var(--foam);
}

.page-contact .section-head__lead {
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-400);
}

/* ---------- 合作方向 ---------- */
.page-contact .route-list {
  display: grid;
  gap: 16px;
}

.page-contact .route-panel {
  position: relative;
  padding: 24px 22px 26px;
  background: var(--sea-700);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--tide-400);
  transition: background 0.34s var(--ease), transform 0.34s var(--ease);
}

.page-contact .route-panel--02 {
  border-left-color: var(--palm-500);
}

.page-contact .route-panel--03 {
  border-left-color: var(--lava-500);
}

.page-contact .route-panel:hover {
  background: var(--sea-500);
  transform: translateY(-3px);
}

.page-contact .route-panel__no {
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-num);
  font-size: clamp(40px, 9vw, 62px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(242, 246, 248, 0.07);
  pointer-events: none;
}

.page-contact .route-panel__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  padding-right: 56px;
  margin: 0 0 12px;
  color: var(--foam);
}

.page-contact .route-panel__fit {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 246, 248, 0.72);
  margin: 0 0 12px;
}

.page-contact .route-panel__label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--tide-400);
  border: 1px solid rgba(47, 211, 192, 0.45);
  border-radius: 2px;
}

.page-contact .route-panel__gain {
  font-size: 15px;
  line-height: 1.78;
  color: rgba(242, 246, 248, 0.88);
  margin: 0;
}

.page-contact .contact-routes__foot {
  margin-top: 24px;
  font-size: 14px;
  color: var(--mist-400);
}

.page-contact .contact-routes__foot a {
  color: var(--tide-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 211, 192, 0.4);
}

.page-contact .contact-routes__foot a:hover {
  border-bottom-color: var(--tide-400);
}

/* ---------- 双通道分栏 ---------- */
.page-contact .contact-split__grid {
  display: grid;
  gap: 32px;
}

.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0 22px;
  border-top: 1px solid var(--hairline);
}

.page-contact .flow__step:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 58px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--tide-400), rgba(47, 211, 192, 0));
  transform: skewX(-12deg);
  transform-origin: top center;
}

.page-contact .flow__step:last-child::before {
  display: none;
}

.page-contact .flow__no {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(47, 211, 192, 0.7);
  background: rgba(47, 211, 192, 0.08);
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 600;
  color: var(--amber);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .flow__step:hover .flow__no,
.page-contact .flow__step:focus-within .flow__no {
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 201, 74, 0.12);
}

.page-contact .flow__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  margin: 2px 0 8px;
  color: var(--foam);
}

.page-contact .flow__text {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 246, 248, 0.78);
  margin: 0 0 8px;
}

.page-contact .flow__eta {
  font-size: 13px;
  color: var(--mist-400);
  margin: 0;
  transition: color 0.3s var(--ease);
}

.page-contact .flow__eta .num {
  font-family: var(--font-num);
  color: var(--amber);
  margin-right: 6px;
}

.page-contact .flow__step:hover .flow__eta {
  color: rgba(242, 246, 248, 0.9);
}

/* ---------- 客服卡片 ---------- */
.page-contact .support-card {
  padding: 26px 22px 24px;
  background: linear-gradient(158deg, var(--sea-500), var(--sea-700) 70%);
  border: 1px solid rgba(255, 201, 74, 0.34);
  clip-path: polygon(16px 0, 100% 0, 100% 100%, 0 100%, 0 16px);
}

.page-contact .support-card__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 4.4vw, 26px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 8px 0 20px;
  color: var(--foam);
}

.page-contact .support-card__channel {
  padding: 16px 0 18px;
  border-top: 1px solid var(--hairline);
}

.page-contact .support-card__label {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
  margin: 0 0 8px;
}

.page-contact .support-card__value {
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-num);
  font-size: clamp(15px, 3.8vw, 18px);
  font-weight: 600;
  color: var(--foam);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(255, 201, 74, 0.5);
  overflow-wrap: anywhere;
  word-break: break-word;
  transition: color 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-contact .support-card__value:hover,
.page-contact .support-card__value:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-contact .support-card__value:focus-visible {
  outline: 2px solid var(--lava-300);
  outline-offset: 3px;
}

.page-contact .support-card__use {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 246, 248, 0.74);
  margin: 10px 0 0;
}

.page-contact .support-card__note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-400);
  margin: 4px 0 0;
  padding: 14px 14px 15px;
  background: var(--glass);
  border-left: 2px solid var(--lava-500);
}

.page-contact .support-card__links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--hairline);
}

.page-contact .support-card__links a {
  font-size: 14px;
  color: var(--tide-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.28s var(--ease);
}

.page-contact .support-card__links a:hover {
  border-bottom-color: var(--tide-400);
}

/* ---------- 材料清单 ---------- */
.page-contact .contact-kit__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-kit__body h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin: 8px 0 12px;
  color: var(--foam);
}

.page-contact .contact-kit__lead {
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-400);
  margin: 0 0 26px;
}

.page-contact .kit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .kit-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: 2px;
}

.page-contact .kit-list__no {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  color: var(--tide-400);
  padding-top: 2px;
}

.page-contact .kit-list h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 6px;
  color: var(--foam);
}

.page-contact .kit-list p {
  font-size: 14px;
  line-height: 1.72;
  color: rgba(242, 246, 248, 0.74);
  margin: 0;
}

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

.page-contact .contact-kit__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 650;
  object-fit: cover;
  border: 1px solid var(--glass-line);
}

.page-contact .contact-kit__caption {
  margin-top: 12px;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 地址条 ---------- */
.page-contact .place-strip {
  display: grid;
  background: var(--sea-700);
  border: 1px solid var(--hairline);
  overflow: hidden;
}

.page-contact .place-strip__media {
  overflow: hidden;
  min-height: 200px;
}

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

.page-contact .place-strip__body {
  padding: 26px 22px 28px;
}

.page-contact .place-strip__body h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 8px 0 0;
  color: var(--foam);
}

.page-contact .place-strip__addr {
  font-style: normal;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 30px;
  align-items: flex-end;
  margin: 22px 0 18px;
  padding: 18px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.page-contact .place-strip__num-block {
  min-width: 96px;
}

.page-contact .place-strip__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(34px, 8vw, 54px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-contact .place-strip__num-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--mist-400);
}

.page-contact .place-strip__full {
  flex: 1 1 100%;
  font-size: 15px;
  line-height: 1.75;
  color: var(--foam);
  margin: 0;
}

.page-contact .place-strip__desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 246, 248, 0.76);
  margin: 0;
}

.page-contact .contact-place__foot {
  margin-top: 22px;
  font-size: 14px;
  color: var(--mist-400);
}

.page-contact .contact-place__foot a {
  color: var(--tide-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 211, 192, 0.4);
}

.page-contact .contact-place__foot a:hover {
  border-bottom-color: var(--tide-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__routes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .route-panel {
    padding: 28px 26px 30px;
  }

  .page-contact .support-card {
    padding: 30px 28px 28px;
  }

  .page-contact .place-strip__body {
    padding: 32px 30px 34px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 56px;
    align-items: start;
  }

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

  .page-contact .route-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .route-panel:hover {
    transform: translateY(-5px);
  }

  .page-contact .contact-split__grid {
    grid-template-columns: minmax(0, 1fr) var(--contact-rail);
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-split__rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-contact .flow__step:nth-child(2) {
    padding-left: 8px;
  }

  .page-contact .flow__step:nth-child(3) {
    padding-left: 16px;
  }

  .page-contact .flow__step:nth-child(4) {
    padding-left: 24px;
  }

  .page-contact .flow__step:nth-child(2)::before,
  .page-contact .flow__step:nth-child(3)::before,
  .page-contact .flow__step:nth-child(4)::before {
    left: calc(21px + 8px);
  }

  .page-contact .flow__step:nth-child(3)::before {
    left: calc(21px + 16px);
  }

  .page-contact .flow__step:nth-child(4)::before {
    left: calc(21px + 24px);
  }

  .page-contact .contact-kit__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 56px;
    align-items: center;
  }

  .page-contact .place-strip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-contact .place-strip__media {
    height: 100%;
    min-height: 320px;
  }

  .page-contact .place-strip__body {
    padding: 42px 40px 44px;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-hero__grid {
    gap: 72px;
  }

  .page-contact .contact-split__grid {
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .route-card:hover,
  .page-contact .route-panel,
  .page-contact .route-panel:hover,
  .page-contact .flow__no,
  .page-contact .flow__eta {
    transition: none;
    transform: none;
  }

  .page-contact .flow__step::before {
    transform: none;
  }
}