.page-contact {
  --c-shadow: 9px 9px 0 rgba(11, 17, 16, 0.07);
  --c-line: 1px solid var(--grey-300);
  padding-block: clamp(24px, 4vw, 48px) clamp(56px, 8vw, 104px);
  background:
    radial-gradient(140% 90% at 100% -10%, var(--fog), transparent 58%),
    var(--paper);
  color: var(--ink);
}

.page-contact .contact-shell {
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* 面包屑与页首 */
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 clamp(18px, 3vw, 30px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  color: var(--grey-900);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.35rem;
  color: var(--grey-300);
}

.page-contact .breadcrumb a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-contact .contact-head {
  max-width: 60ch;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-contact .contact-head .kicker {
  margin: 0;
  color: var(--green);
  letter-spacing: 0.2em;
}

.page-contact .contact-head h1 {
  margin: 0.55rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--ink);
  text-wrap: balance;
}

.page-contact .contact-lead {
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: var(--grey-900);
}

/* 双栏骨架 */
.page-contact .contact-stage {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

/* 左侧联络轨道 */
.page-contact .rail-card {
  background: var(--green);
  color: var(--paper);
  border: 1px solid var(--green);
  box-shadow: var(--c-shadow);
  overflow: hidden;
}

.page-contact .rail-photo {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.page-contact .rail-photo img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
  opacity: 0.72;
}

.page-contact .rail-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 59, 46, 0.2) 0%, var(--green) 94%);
}

.page-contact .rail-body {
  display: grid;
  gap: 1.15rem;
  padding: clamp(18px, 3vw, 26px);
}

.page-contact .rail-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .rail-item {
  padding-top: 1rem;
  border-top: 1px solid rgba(246, 247, 243, 0.22);
}

.page-contact .rail-item:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-contact .rail-label {
  margin: 0 0 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .rail-value {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 2.6vw, 1.12rem);
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(39, 230, 200, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .rail-value--tel {
  letter-spacing: 0.06em;
  word-break: normal;
}

.page-contact .rail-value:hover,
.page-contact .rail-value:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .rail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.page-contact .rail-cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--green);
  background: var(--cyan);
  border: 1px solid var(--cyan);
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .rail-cta-link:hover,
.page-contact .rail-cta-link:focus-visible {
  background: var(--paper);
  color: var(--green);
  transform: translateY(-2px);
}

.page-contact .rail-hours {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .rail-note {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 复制按钮：浅底场合 */
.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--green);
  background: var(--paper);
  border: 1px solid var(--grey-300);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--green);
  color: var(--paper);
  border-color: var(--green);
}

/* 复制按钮：深墨绿卡片内 */
.page-contact .rail-card .copy-btn {
  color: var(--mist);
  background: transparent;
  border-color: rgba(166, 246, 229, 0.45);
}

.page-contact .rail-card .copy-btn:hover,
.page-contact .rail-card .copy-btn:focus-visible {
  background: var(--cyan);
  color: var(--green);
  border-color: var(--cyan);
}

/* 右侧内容区 */
.page-contact .contact-main {
  display: grid;
  gap: clamp(30px, 4.5vw, 52px);
  min-width: 0;
}

.page-contact .c-section {
  min-width: 0;
}

.page-contact .c-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--grey-900);
  text-transform: uppercase;
}

.page-contact .c-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  padding: 0.12rem 0.35rem;
  font-size: 0.72rem;
  color: var(--green);
  background: var(--mist);
}

.page-contact .c-section h2 {
  margin: 0.5rem 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.008em;
  color: var(--ink);
}

.page-contact .c-text {
  margin: 0 0 1.3rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--grey-900);
}

.page-contact .c-text a {
  color: var(--green);
  border-bottom: 1px solid var(--cyan);
  text-decoration: none;
}

.page-contact .c-text a:hover,
.page-contact .c-text a:focus-visible {
  background: var(--mist);
}

/* 渠道列表 */
.page-contact .channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--c-line);
}

.page-contact .channel-row {
  display: grid;
  gap: 0.4rem;
  padding: 1.15rem 0;
  border-bottom: var(--c-line);
}

.page-contact .channel-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--green);
}

.page-contact .channel-for {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--grey-900);
}

.page-contact .channel-for a {
  color: var(--green);
  border-bottom: 1px solid var(--cyan);
  text-decoration: none;
}

.page-contact .channel-for a:hover,
.page-contact .channel-for a:focus-visible {
  background: var(--mist);
}

.page-contact .channel-meta {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--grey-900);
}

/* 地址印刷块 */
.page-contact .addr-block {
  display: grid;
  gap: 0.55rem;
  justify-items: start;
  margin-top: 1.5rem;
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid var(--ink);
  background:
    repeating-linear-gradient(135deg, rgba(201, 211, 206, 0.5) 0 1px, transparent 1px 14px),
    var(--paper);
  box-shadow: 6px 6px 0 rgba(12, 59, 46, 0.12);
}

.page-contact .addr-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--green);
  text-transform: uppercase;
}

.page-contact .addr-value {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--ink);
}

/* 反馈类型切换 */
.page-contact .fb-block {
  margin-top: 1.4rem;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--c-shadow);
}

.page-contact .fb-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .fb-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.page-contact .fb-label {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--grey-900);
  background: var(--paper);
  border: 1px solid var(--grey-300);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .fb-label:hover {
  border-color: var(--green);
  color: var(--green);
}

.page-contact #fb-sub:checked ~ .fb-switch .fb-label[for="fb-sub"],
.page-contact #fb-export:checked ~ .fb-switch .fb-label[for="fb-export"],
.page-contact #fb-sync:checked ~ .fb-switch .fb-label[for="fb-sync"],
.page-contact #fb-idea:checked ~ .fb-switch .fb-label[for="fb-idea"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--paper);
}

.page-contact #fb-sub:focus-visible ~ .fb-switch .fb-label[for="fb-sub"],
.page-contact #fb-export:focus-visible ~ .fb-switch .fb-label[for="fb-export"],
.page-contact #fb-sync:focus-visible ~ .fb-switch .fb-label[for="fb-sync"],
.page-contact #fb-idea:focus-visible ~ .fb-switch .fb-label[for="fb-idea"] {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .fb-panel {
  display: none;
}

.page-contact #fb-sub:checked ~ .fb-panels #fb-p-sub,
.page-contact #fb-export:checked ~ .fb-panels #fb-p-export,
.page-contact #fb-sync:checked ~ .fb-panels #fb-p-sync,
.page-contact #fb-idea:checked ~ .fb-panels #fb-p-idea {
  display: block;
}

.page-contact .fb-panel ol {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: fbstep;
}

.page-contact .fb-panel li {
  position: relative;
  padding-left: 2.15rem;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--grey-900);
}

.page-contact .fb-panel li::before {
  counter-increment: fbstep;
  content: counter(fbstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.12em;
  padding: 0.05rem 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  background: var(--mist);
}

.page-contact .fb-figure {
  margin: 1.5rem 0 0;
}

.page-contact .fb-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--grey-300);
  background: var(--fog);
  object-fit: cover;
}

.page-contact .fb-figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--grey-900);
}

/* 服务时间 */
.page-contact .hours-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.page-contact .hours-row {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.05rem;
  border-left: 3px solid var(--cyan);
  background: var(--fog);
}

.page-contact .hours-day {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--green);
}

.page-contact .hours-time {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-contact .hours-note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--grey-900);
}

.page-contact .hours-tip {
  margin: 1.1rem 0 0;
  padding-left: 0.9rem;
  border-left: 2px solid var(--orange);
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--grey-900);
}

/* 合作方向 */
.page-contact .partner-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.page-contact .partner-card {
  display: grid;
  justify-items: start;
  gap: 0.55rem;
  padding: clamp(16px, 3vw, 22px);
  border: 1px solid var(--grey-300);
  background: var(--paper);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .partner-card:hover {
  transform: translateY(-2px);
  border-color: var(--green);
  box-shadow: 5px 5px 0 rgba(12, 59, 46, 0.1);
}

.page-contact .partner-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--grey-900);
}

.page-contact .partner-subject {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--green);
  word-break: break-all;
}

/* 结尾区块 */
.page-contact .c-closing {
  display: grid;
  gap: 1rem;
  justify-items: start;
  margin-top: 0.5rem;
  padding: clamp(20px, 3.5vw, 30px);
  border-top: 2px solid var(--green);
  background: linear-gradient(135deg, var(--fog), var(--paper));
}

.page-contact .c-closing-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  font-weight: 600;
  color: var(--ink);
}

.page-contact .c-closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (min-width: 760px) {
  .page-contact .channel-row {
    grid-template-columns: 140px minmax(0, 1fr) 180px;
    gap: 1.4rem;
    align-items: baseline;
  }

  .page-contact .channel-meta {
    text-align: right;
  }

  .page-contact .hours-row {
    grid-template-columns: 200px 200px minmax(0, 1fr);
    gap: 1.2rem;
    align-items: baseline;
  }

  .page-contact .partner-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .partner-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-stage {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 24px;
  }

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

  .page-contact .partner-card:last-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .rail-cta-link,
  .page-contact .partner-card,
  .page-contact .copy-btn {
    transition: none;
  }

  .page-contact .rail-cta-link:hover,
  .page-contact .partner-card:hover {
    transform: none;
  }
}