/* ========== 页面专属：contact /reach-us/ ========== */
.page-contact {
  --contact-corner: 16px;
  --contact-line: rgba(255, 255, 255, 0.28);
}

/* ---------- 首屏：错位色块 ---------- */
.page-contact__hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  padding: 1.5rem 0 0;
}

.page-contact__hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -26%;
  width: 64%;
  height: 100%;
  background: var(--deep-red);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
}

.page-contact__hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 8%;
  width: 46%;
  height: 6px;
  background: var(--gold);
  z-index: 1;
}

.page-contact__hero .container {
  position: relative;
  z-index: 2;
  padding-top: 1rem;
}

.page-contact__hero-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-bottom: 4rem;
}

.page-contact__hero-copy {
  max-width: 720px;
}

.page-contact__hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0 0 1rem;
}

.page-contact h1 {
  font-family: var(--font-serif);
  font-size: var(--fs-display);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 1.4rem;
  color: var(--white);
}

.page-contact__hero-intro {
  max-width: 600px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(245, 245, 240, 0.82);
  margin: 0;
}

.page-contact__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--gold);
}

.page-contact__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.page-contact__hero-plate {
  display: none;
  text-align: right;
  transform: rotate(-3deg);
  z-index: 3;
  position: absolute;
  right: 4%;
  bottom: 6%;
}

.page-contact__hero-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(4rem, 9vw, 7rem);
  line-height: 0.9;
  color: var(--white);
  letter-spacing: -0.05em;
}

.page-contact__hero-word {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--gold);
}

.page-contact__breadcrumb {
  margin-bottom: 3rem;
}

.page-contact__breadcrumb a,
.page-contact__breadcrumb span {
  color: rgba(245, 245, 240, 0.7);
}

/* ---------- 01 客户服务渠道 ---------- */
.page-contact__channels {
  display: grid;
  gap: 1rem;
}

.page-contact__channel-card {
  position: relative;
  background: var(--white);
  border-left: 6px solid var(--brand);
  box-shadow: 0 6px 0 rgba(10, 10, 10, 0.06);
  overflow: hidden;
}

.page-contact__channel-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border: 20px solid transparent;
  border-top: 20px solid var(--sand);
  border-right: 20px solid var(--sand);
}

.page-contact__channel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.page-contact__icon {
  width: 24px;
  height: 24px;
  color: var(--brand);
}

.page-contact__channel-value {
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  font-weight: 700;
  line-height: 1.4;
  margin: 0.5rem 0 0.75rem;
  word-break: break-word;
}

.page-contact__channel-value a {
  color: var(--ink);
  text-decoration: none;
  box-shadow: inset 0 -2px 0 var(--gold);
  transition: color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.page-contact__channel-value a:hover,
.page-contact__channel-value a:focus {
  color: var(--brand);
  box-shadow: inset 0 -2px 0 var(--brand);
}

.page-contact__channel-note {
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--gray-500);
  margin: 0;
}

/* ---------- 02 工作与响应 ---------- */
.page-contact__work-section {
  background: var(--brand);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.page-contact__work-section::before {
  content: "";
  position: absolute;
  top: -14%;
  left: -8%;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transform: rotate(14deg);
}

.page-contact__work-section::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -20%;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transform: rotate(38deg);
}

.page-contact__work-section .container {
  position: relative;
  z-index: 1;
}

.page-contact__work-section .section-title,
.page-contact__work-section .section-intro {
  color: var(--white);
}

.page-contact__work-section .section-intro {
  color: rgba(255, 255, 255, 0.82);
}

.page-contact__work-section .section-index {
  color: rgba(255, 255, 255, 0.45);
}

.page-contact__work-grid {
  display: grid;
  gap: 2.5rem;
  margin-top: 3rem;
}

.page-contact__time-visual {
  position: relative;
}

.page-contact__time-frame {
  margin: 0;
  background: var(--deep-red);
  border: 4px solid rgba(255, 255, 255, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%);
}

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

.page-contact__time-badge {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 800;
  padding: 0.4rem 0.8rem;
}

.page-contact__time-badge em {
  color: var(--gold);
  font-style: normal;
}

.page-contact__work-list {
  display: grid;
  gap: 1.75rem;
}

.page-contact__work-item {
  border-left: 4px solid rgba(255, 255, 255, 0.35);
  padding-left: 1.25rem;
}

.page-contact__work-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-contact__work-large {
  margin: 0 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
}

.page-contact__work-note {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- 03 办公地址 ---------- */
.page-contact__address-section {
  background: var(--sand);
}

.page-contact__address-grid {
  display: grid;
  gap: 2.5rem;
  margin-top: 3rem;
  align-items: center;
}

.page-contact__map {
  position: relative;
  overflow: hidden;
  background: var(--ice-blue);
  border: 4px solid var(--white);
  box-shadow: 10px 10px 0 rgba(211, 47, 47, 0.18);
}

.page-contact__map::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(211, 47, 47, 0.35);
  pointer-events: none;
}

.page-contact__map-img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact__map-tip {
  position: absolute;
  left: 12px;
  bottom: 12px;
  max-width: calc(100% - 24px);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.45rem 0.7rem;
  border-left: 4px solid var(--brand);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
  pointer-events: none;
}

.page-contact__map:hover .page-contact__map-tip,
.page-contact__map:focus-within .page-contact__map-tip {
  opacity: 1;
  transform: translateY(0);
}

.page-contact__address-copy {
  max-width: 600px;
}

.page-contact__address-line {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
  border-left: 6px solid var(--brand);
  padding-left: 1.25rem;
  margin: 1.25rem 0;
}

.page-contact__address-note {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--gray-800);
  margin: 0;
}

/* ---------- 04 联系表单 ---------- */
.page-contact__form-section {
  background: var(--ink);
  color: var(--white);
}

.page-contact__form-section .section-title,
.page-contact__form-section .section-intro {
  color: var(--white);
}

.page-contact__form-section .section-intro {
  color: rgba(245, 245, 240, 0.72);
}

.page-contact__form-section .section-index {
  color: rgba(255, 255, 255, 0.35);
}

.page-contact__form {
  margin-top: 3rem;
  max-width: 860px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-contact__form-row {
  display: grid;
  gap: 0;
}

.page-contact__field {
  position: relative;
  margin-bottom: 1.25rem;
}

.page-contact__field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.page-contact__field input,
.page-contact__field textarea {
  display: block;
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-left: 4px solid var(--brand);
  border-radius: 0;
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--white);
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.page-contact__field textarea {
  resize: vertical;
  min-height: 130px;
}

.page-contact__field input::placeholder,
.page-contact__field textarea::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.page-contact__field input:focus,
.page-contact__field textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.08);
}

.page-contact__form-foot {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-contact__submit {
  align-self: flex-start;
  font-family: var(--font-mono);
  padding: 0.9rem 2rem;
}

.page-contact__form-note {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(245, 245, 240, 0.6);
  margin: 0;
}

/* ---------- 05 继续浏览 ---------- */
.page-contact__next-grid {
  display: grid;
  gap: 1rem;
  margin-top: 3rem;
}

.page-contact__next-card {
  display: block;
  background: var(--white);
  border: 1px solid rgba(10, 10, 10, 0.08);
  border-top: 6px solid var(--ink);
  padding: 1.6rem 1.5rem 1.75rem;
  text-decoration: none;
  color: var(--gray-800);
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-contact__next-card:hover,
.page-contact__next-card:focus {
  transform: translateY(-4px);
  border-top-color: var(--brand);
  box-shadow: 0 14px 28px rgba(10, 10, 10, 0.1);
}

.page-contact__next-id {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--brand);
  margin-bottom: 0.75rem;
}

.page-contact__next-title {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--fs-card);
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.page-contact__next-desc {
  display: block;
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--gray-500);
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 768px) {
  .page-contact__hero {
    padding-top: 2rem;
  }

  .page-contact__hero::before {
    right: -12%;
    width: 46%;
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
  }

  .page-contact__hero-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    padding-bottom: 5rem;
    gap: 3rem;
  }

  .page-contact__hero-plate {
    display: block;
    width: 300px;
  }

  .page-contact__channels {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-contact__work-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3.5rem;
    align-items: center;
  }

  .page-contact__address-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
  }

  .page-contact__form {
    padding: 2.25rem;
  }

  .page-contact__form-row {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .page-contact__form-foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-contact__form-note {
    max-width: 420px;
  }

  .page-contact__next-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (min-width: 1200px) {
  .page-contact__next-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact__map-tip,
  .page-contact__next-card,
  .page-contact__channel-value a {
    transition: none;
  }
}