.page-contact {
  --contact-gap: clamp(18px, 3.2vw, 32px);
  --contact-ink-soft: rgba(245, 240, 230, 0.76);
  --contact-ink-dim: rgba(245, 240, 230, 0.48);
  --contact-card-top: #1b6439;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  display: block;
  padding-bottom: clamp(44px, 8vw, 96px);
}

.page-contact .crumbs {
  padding-top: clamp(16px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(10px, 2vw, 22px);
  padding-bottom: clamp(22px, 4vw, 42px);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.022em;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.08;
  margin: 16px 0 18px;
  max-width: 660px;
}

.page-contact .contact-hero .lede {
  max-width: 62ch;
  color: var(--ink-2);
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.018em;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.2;
  margin: 12px 0 clamp(16px, 2.4vw, 26px);
  max-width: 24ch;
}

.page-contact h3 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

/* ---------- 01 通道总览：非对称双栏 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .channel-card {
  position: relative;
  background: radial-gradient(130% 160% at 100% 0%, var(--contact-card-top) 0%, var(--green) 44%, var(--green-deep) 100%);
  color: var(--cream);
  border-radius: var(--r-xl) var(--r-xl) var(--r-lg) var(--r-lg);
  padding: clamp(22px, 3.6vw, 46px) clamp(20px, 3.6vw, 46px) clamp(24px, 4vw, 42px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  right: -64px;
  bottom: -108px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  border: 1px solid rgba(245, 240, 230, 0.14);
  pointer-events: none;
}

.page-contact .channel-card-label {
  color: var(--lime);
  letter-spacing: 0.14em;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .channel-kind {
  display: block;
  color: var(--contact-ink-dim);
  margin-bottom: 8px;
}

.page-contact .phone-link {
  display: inline-block;
  text-decoration: none;
}

.page-contact .phone-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 8.4vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--lime);
  white-space: nowrap;
  margin-left: -0.03em;
  transition: color 0.18s var(--ease);
}

.page-contact .phone-link:hover .phone-num,
.page-contact .phone-link:focus-visible .phone-num {
  color: #dcff6d;
}

.page-contact .mail-link {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.5vw, 19px);
  line-height: 1.5;
  color: var(--cream);
  text-decoration-color: var(--line-cream);
  text-underline-offset: 5px;
  overflow-wrap: anywhere;
}

.page-contact .mail-link:hover,
.page-contact .mail-link:focus-visible {
  color: var(--lime);
}

.page-contact .copy-btn {
  display: inline-block;
  margin-top: 14px;
  appearance: none;
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--line-cream);
  border-radius: var(--pill);
  padding: 8px 18px;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(228, 113, 43, 0.12);
  outline: none;
}

.page-contact .card-rule {
  height: 0;
  border-top: 1px solid var(--line-cream);
  margin: clamp(20px, 3vw, 30px) 0;
}

.page-contact .channel-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--contact-ink-soft);
}

.page-contact .channel-side {
  background: var(--cream-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg) var(--r-lg) var(--r-xl) var(--r-md);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: 0 20px 32px -30px rgba(34, 30, 27, 0.65);
}

.page-contact .channel-side .label {
  color: var(--slate);
}

.page-contact .channel-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .channel-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--ink-2);
}

.page-contact .channel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.page-contact .contact-banner {
  margin: clamp(20px, 3vw, 34px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  max-width: 100%;
  border-radius: var(--r-lg);
}

/* ---------- 02 地址与来函口径 ---------- */
.page-contact .visit-band {
  padding-block: clamp(32px, 5.4vw, 62px);
}

.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .address-line {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.94em;
  font-weight: 400;
  line-height: 1.6;
  background: var(--paper);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  margin: 6px 0;
  overflow-wrap: anywhere;
}

.page-contact .visit-slip {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--r-md) var(--r-md) var(--r-lg) var(--r-sm);
  padding: clamp(18px, 3vw, 26px);
}

.page-contact .visit-slip .label {
  color: var(--slate);
}

.page-contact .slip-list {
  margin: 14px 0 0;
  padding: 0;
}

.page-contact .slip-list > div {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}

.page-contact .slip-list > div:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .slip-list dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate);
  line-height: 1.7;
}

.page-contact .slip-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--ink-2);
}

/* ---------- 03 咨询准备 ---------- */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .prep-figure {
  order: 2;
  margin: 0;
  border-radius: var(--r-md) var(--r-lg) var(--r-md) var(--r-xl);
  overflow: hidden;
}

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

.page-contact .prep-body {
  order: 1;
}

.page-contact .prep-body .lede {
  color: var(--ink-2);
  max-width: 60ch;
}

.page-contact .prep-steps {
  list-style: none;
  counter-reset: prep;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .prep-steps li {
  counter-increment: prep;
  position: relative;
  padding-left: 50px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-contact .prep-steps li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--orange-deep);
  background: var(--paper);
  border-radius: var(--pill);
  padding: 4px 10px;
}

/* ---------- 04 咨询类型手风琴 ---------- */
.page-contact .accordion {
  display: grid;
  gap: 12px;
}

.page-contact .accordion-item {
  background: var(--cream-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-contact .accordion-item:hover {
  border-color: var(--line-2);
}

.page-contact .accordion-item:has(.accordion-trigger[aria-expanded="true"]) {
  background: var(--cream);
  border-color: var(--line-2);
}

.page-contact .accordion-trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: transparent;
  border: 0;
  padding: clamp(16px, 2.4vw, 22px) clamp(16px, 2.6vw, 26px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 2.1vw, 18px);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.page-contact .accordion-trigger .pill {
  flex: none;
}

.page-contact .accordion-title {
  flex: 1 1 150px;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.page-contact .accordion-icon {
  flex: none;
  position: relative;
  width: 22px;
  height: 22px;
  margin-left: auto;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .accordion-icon::before,
.page-contact .accordion-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform 0.22s var(--ease), background-color 0.22s var(--ease);
}

.page-contact .accordion-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-contact .accordion-trigger[aria-expanded="true"] .accordion-icon {
  background: var(--orange);
  border-color: var(--orange);
}

.page-contact .accordion-trigger[aria-expanded="true"] .accordion-icon::before,
.page-contact .accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  background: var(--cream);
}

.page-contact .accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-contact .accordion-panel-inner {
  padding: 0 clamp(16px, 2.6vw, 26px) clamp(20px, 2.8vw, 26px);
}

.page-contact .accordion-panel-inner p {
  margin: 0 0 16px;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-contact .accordion-panel-inner .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ---------- 05 备案与站点信息 ---------- */
.page-contact .meta-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .meta-cell {
  display: grid;
  gap: 6px;
  background: var(--cream-2);
  padding: 18px 20px;
}

.page-contact .meta-cell .label {
  color: var(--slate);
}

.page-contact .meta-cell .mono {
  font-size: 14px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .meta-foot {
  margin: 20px 0 0;
  max-width: 72ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-contact .meta-foot a {
  color: var(--orange-deep);
  text-underline-offset: 4px;
}

.page-contact .meta-foot a:hover,
.page-contact .meta-foot a:focus-visible {
  color: var(--green);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 720px) {
  .page-contact .meta-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .prep-figure {
    order: 1;
    margin-top: clamp(24px, 4vw, 52px);
  }

  .page-contact .prep-body {
    order: 2;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-contact .visit-slip {
    margin-top: clamp(18px, 3vw, 40px);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-contact .channel-side {
    margin-top: clamp(28px, 4.4vw, 68px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .accordion-icon,
  .page-contact .accordion-icon::before,
  .page-contact .accordion-icon::after,
  .page-contact .copy-btn,
  .page-contact .phone-num,
  .page-contact .accordion-item {
    transition: none;
  }
}