.page-contact {
  --contact-gap: clamp(40px, 6vw, 76px);
  --contact-panel: var(--paper-200);
  background-color: var(--paper-100);
  color: var(--ink-900);
  font-family: var(--font-body);
}

/* ── 首屏 ───────────────────────────────── */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background-image: linear-gradient(175deg, var(--paper-200) 0%, var(--paper-100) 78%);
  border-bottom: 1px solid var(--line-300);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(199, 188, 168, 0.34) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199, 188, 168, 0.34) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.6;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -58%;
  width: 62%;
  height: 300px;
  background-image: radial-gradient(closest-side, rgba(228, 104, 28, 0.24), rgba(228, 104, 28, 0));
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(26px, 5vw, 56px) clamp(34px, 6vw, 68px);
}

.page-contact .yw-crumbs {
  margin-bottom: 20px;
}

.page-contact .yw-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--orange-500);
}

.page-contact .contact-hero h1 {
  margin: 0.24em 0 0.4em;
  max-width: 18ch;
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 0 rgba(228, 104, 28, 0.16);
}

.page-contact .yw-lead {
  max-width: 62ch;
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.85;
  color: var(--ink-700);
}

.page-contact .contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-contact .yw-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: 1px solid var(--line-300);
  border-radius: var(--r-full);
  background-color: var(--paper-100);
  color: var(--ink-700);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .yw-chip:hover,
.page-contact .yw-chip:focus-visible {
  background-color: var(--orange-300);
  border-color: var(--orange-500);
  color: var(--ink-900);
}

.page-contact .yw-chip--celadon {
  background-color: var(--celadon-500);
  border-color: var(--celadon-500);
  color: var(--paper-100);
}

.page-contact .yw-chip--celadon:hover,
.page-contact .yw-chip--celadon:focus-visible {
  background-color: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper-100);
}

/* ── 主体两栏 ───────────────────────────── */
.page-contact .contact-body {
  padding-block: clamp(36px, 6vw, 78px);
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 52px);
}

.page-contact .contact-block {
  padding: 0;
}

.page-contact .contact-block + .contact-block {
  margin-top: var(--contact-gap);
}

.page-contact .yw-chapter {
  margin-bottom: clamp(18px, 2.6vw, 26px);
  border-left: 4px solid var(--sand-500);
  padding-left: 16px;
}

.page-contact .yw-chapter__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  color: var(--sand-500);
}

.page-contact .yw-chapter__title {
  margin: 0.2em 0 0.35em;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.3;
  color: var(--ink-900);
}

.page-contact .yw-chapter__desc {
  margin: 0;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .yw-prose p {
  margin: 0 0 1em;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-contact .yw-prose a {
  color: var(--ink-900);
  text-decoration-color: var(--orange-500);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .yw-prose a:hover {
  color: var(--orange-500);
}

.page-contact .hl {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1em;
  padding: 0 3px;
  background-image: linear-gradient(transparent 60%, var(--sand-200) 0);
  color: var(--ink-900);
}

.page-contact .contact-more {
  margin: 1.2em 0 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .contact-more a {
  color: var(--ink-900);
  text-decoration-color: var(--orange-500);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ── 三类联系方 ─────────────────────────── */
.page-contact .contact-fit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .fit-card {
  padding: 20px 20px 22px;
  border: 1px solid var(--line-300);
  border-top-width: 4px;
  border-radius: var(--r-md);
  background-color: var(--paper-200);
  box-shadow: var(--shadow-1);
}

.page-contact .fit-card--celadon { border-top-color: var(--celadon-500); }
.page-contact .fit-card--sand { border-top-color: var(--sand-500); }
.page-contact .fit-card--orange { border-top-color: var(--orange-500); }

.page-contact .fit-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-700);
  opacity: 0.8;
}

.page-contact .fit-card__title {
  margin: 0.5em 0 0;
  font-size: 1.18rem;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-contact .fit-card__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-contact .fit-card__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .fit-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 2px;
  background-color: var(--orange-500);
}

/* ── 服务商路线图 ───────────────────────── */
.page-contact .contact-route {
  display: grid;
  gap: 12px;
}

.page-contact .contact-step {
  border-left: 4px solid var(--sand-500);
  border-radius: var(--r-md);
  background-color: var(--paper-200);
  overflow: hidden;
}

.page-contact .contact-step[open] {
  background-color: var(--paper-100);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-step > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  list-style: none;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease);
}

.page-contact .contact-step > summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-step > summary::after {
  content: "＋";
  margin-left: auto;
  flex: none;
  font-weight: 700;
  color: var(--orange-500);
}

.page-contact .contact-step[open] > summary::after {
  content: "－";
}

.page-contact .contact-step > summary:hover {
  background-color: rgba(228, 104, 28, 0.08);
}

.page-contact .contact-step > summary:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: -2px;
}

.page-contact .contact-step__num {
  flex: none;
  min-width: 2.2ch;
  font-family: var(--font-mono);
  font-size: 1.32rem;
  font-weight: 700;
  line-height: 1;
  color: var(--sand-500);
}

.page-contact .contact-step__title {
  font-size: 1.03rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-contact .contact-step__body {
  padding: 0 18px 18px 18px;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--ink-700);
}

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

.page-contact .contact-figure {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

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

.page-contact .yw-figure__cap {
  display: block;
  margin-top: 10px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink-700);
  opacity: 0.85;
}

/* ── 内容合作 ───────────────────────────── */
.page-contact .contact-duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .yw-note {
  border-radius: var(--r-md);
  background-color: var(--sand-200);
  padding: 20px;
  border-left: 4px solid var(--sand-500);
}

.page-contact .yw-note p {
  margin: 0 0 0.7em;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--ink-900);
}

.page-contact .yw-note p:last-child {
  margin-bottom: 0;
}

/* ── 表格 ───────────────────────────────── */
.page-contact .yw-table__wrap {
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line-300);
  background-color: var(--paper-100);
}

.page-contact .yw-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.96rem;
}

.page-contact .contact-caption {
  caption-side: top;
  padding: 14px 16px;
  text-align: left;
  font-size: 0.88rem;
  color: var(--ink-700);
  background-color: var(--paper-200);
}

.page-contact .yw-table th,
.page-contact .yw-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.page-contact .yw-table thead th {
  background-color: var(--sand-200);
  color: var(--ink-900);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-contact .yw-table tbody th {
  font-weight: 700;
  color: var(--ink-900);
  white-space: nowrap;
}

.page-contact .yw-table tbody td {
  color: var(--ink-700);
}

.page-contact .yw-table tbody tr + tr th,
.page-contact .yw-table tbody tr + tr td {
  border-top: 1px solid var(--line-300);
}

.page-contact .yw-table tbody tr:hover th,
.page-contact .yw-table tbody tr:hover td {
  background-color: rgba(228, 104, 28, 0.08);
}

/* ── 右侧联系卡片 ───────────────────────── */
.page-contact .contact-aside {
  min-width: 0;
}

.page-contact .contact-card {
  padding: clamp(20px, 3vw, 26px);
  border-radius: var(--r-md);
  border-top: 4px solid var(--orange-500);
  background-color: var(--ink-900);
  color: var(--paper-100);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-card__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--orange-300);
}

.page-contact .contact-card__title {
  margin: 0.5em 0 1.1em;
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  line-height: 1.4;
  color: var(--paper-100);
}

.page-contact .contact-lines {
  display: grid;
  gap: 2px;
}

.page-contact .contact-line {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(245, 239, 227, 0.24);
}

.page-contact .contact-line:last-child {
  border-bottom: 0;
}

.page-contact .contact-line__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--orange-300);
}

.page-contact .contact-line__value {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--paper-100);
  word-break: break-word;
}

.page-contact .contact-line__value.is-num {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  font-size: 1.02rem;
}

.page-contact .contact-card__figure {
  margin: 18px 0 0;
  border-radius: var(--r-sm);
  overflow: hidden;
  background-color: var(--ink-700);
}

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

.page-contact .contact-card__note {
  margin: 16px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(245, 239, 227, 0.82);
}

.page-contact .contact-card__link {
  margin: 12px 0 0;
  font-size: 0.88rem;
}

.page-contact .contact-card__link a {
  color: var(--orange-300);
  text-decoration-color: var(--orange-500);
  text-underline-offset: 3px;
}

.page-contact .contact-card__link a:hover {
  color: var(--paper-100);
}

/* ── 响应式 ─────────────────────────────── */
@media (min-width: 720px) {
  .page-contact .contact-fit {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-duo {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1.85fr) minmax(290px, 1fr);
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: var(--sticky-offset);
  }
}

@media (max-width: 480px) {
  .page-contact .contact-hero h1 {
    max-width: none;
  }

  .page-contact .yw-chapter {
    padding-left: 12px;
  }

  .page-contact .contact-step > summary {
    padding: 13px 14px;
  }

  .page-contact .contact-step__body {
    padding: 0 14px 16px;
  }

  .page-contact .yw-table th,
  .page-contact .yw-table td {
    padding: 11px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .yw-chip,
  .page-contact .contact-step > summary {
    transition: none;
  }
}