.page-contact {
  --c-panel: rgba(14, 42, 32, 0.62);
  --c-gap: clamp(18px, 3vw, 30px);
  color: var(--white);
  background:
    radial-gradient(circle at 88% -8%, rgba(29, 91, 69, 0.42), transparent 56%),
    linear-gradient(180deg, var(--ink) 0%, #090d0b 100%);
}

.page-contact .breadcrumb {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-contact .c-hero {
  position: relative;
  padding: clamp(20px, 3.6vw, 40px) 0 clamp(34px, 6vw, 76px);
}

.page-contact .c-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: repeating-linear-gradient(115deg, var(--lime) 0 16px, transparent 16px 40px);
  opacity: 0.45;
}

.page-contact .c-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .c-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.page-contact .c-lead {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.5vw, 17px);
  line-height: 1.78;
  color: var(--white-soft);
}

/* ---------- 联系行 ---------- */
.page-contact .c-channels {
  list-style: none;
  margin: clamp(20px, 3.4vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .c-channel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px 14px;
  align-items: center;
  padding: clamp(14px, 2.4vw, 20px);
  background: var(--c-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  border-radius: var(--radius);
}

.page-contact .c-channel:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-contact .c-channel:nth-child(3) {
  border-left-color: var(--orange);
}

.page-contact .c-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-lime);
  border-radius: var(--radius);
  color: var(--lime);
}

.page-contact .c-icon svg {
  width: 20px;
  height: 20px;
}

.page-contact .c-channel-body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-contact .c-channel-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--grey);
}

.page-contact .c-channel-value {
  font-family: var(--font-mono);
  font-size: clamp(19px, 4.4vw, 30px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .c-channel-value--tel {
  color: var(--orange);
  font-weight: 700;
}

.page-contact .c-channel-value--mail {
  font-size: clamp(14px, 3.3vw, 20px);
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .c-channel-value--addr {
  font-family: var(--font-body);
  font-size: clamp(14px, 2.8vw, 16px);
  line-height: 1.65;
}

.page-contact .c-channel-meta {
  font-size: 12px;
  color: var(--grey);
  line-height: 1.6;
}

.page-contact .c-copy {
  padding: 8px 14px;
  min-height: 36px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--lime);
  background: rgba(200, 255, 61, 0.08);
  border: 1px solid var(--line-lime);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-contact .c-copy:hover,
.page-contact .c-copy:focus-visible {
  background: var(--lime);
  color: var(--ink);
}

/* ---------- 首屏右栏 ---------- */
.page-contact .c-hero-side {
  display: grid;
  gap: 16px;
}

.page-contact .c-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deep);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-contact .c-media .media-caption {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--grey);
  border-top: 1px solid var(--line);
}

.page-contact .c-toc {
  padding: 16px 18px;
  background: var(--paper);
  color: #16201b;
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 rgba(90, 42, 24, 0.55);
}

.page-contact .c-toc-title {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--umber);
}

.page-contact .c-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ctoc;
  display: grid;
  gap: 2px;
}

.page-contact .c-toc-link {
  display: block;
  padding: 9px 0 9px 26px;
  position: relative;
  font-size: 14px;
  font-weight: 600;
  color: #0b0f0d;
  text-decoration: none;
  border-bottom: 1px dashed rgba(11, 15, 13, 0.2);
}

.page-contact .c-toc-link::before {
  counter-increment: ctoc;
  content: counter(ctoc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--umber);
}

.page-contact .c-toc-link:hover,
.page-contact .c-toc-link:focus-visible {
  color: var(--umber);
}

.page-contact .c-toc-link[aria-current="true"] {
  background: var(--lime);
  color: var(--ink);
  padding-left: 26px;
  margin: 0 -6px;
  padding-right: 6px;
}

/* ---------- 通用章节 ---------- */
.page-contact .c-section {
  padding: clamp(36px, 6vw, 78px) 0;
}

.page-contact .c-section--deep {
  background: linear-gradient(180deg, var(--deep) 0%, #0a1b14 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .c-sec-head h2,
.page-contact .c-feedback h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.8vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}

.page-contact .c-sec-sub {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--white-soft);
}

.page-contact .c-body {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--white-soft);
}

/* ---------- 反馈流程 ---------- */
.page-contact .c-two-col {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-contact .c-checklist {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .c-check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  background: rgba(11, 15, 13, 0.52);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .c-check:hover {
  border-color: var(--line-lime);
  background: rgba(29, 91, 69, 0.4);
}

.page-contact .c-check input {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  position: relative;
  background: transparent;
  border: 1px solid var(--line-lime);
  border-radius: 2px;
  cursor: pointer;
}

.page-contact .c-check input:checked {
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .c-check input:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

.page-contact .c-check input:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .c-check-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--white-soft);
}

.page-contact .c-check-text strong {
  color: var(--white);
  font-weight: 700;
}

.page-contact .c-check input:checked ~ .c-check-text {
  color: var(--grey);
}

.page-contact .annotation {
  margin: 16px 0 0;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--white-soft);
  background: rgba(90, 42, 24, 0.28);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .c-coop-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .c-coop-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 3vw, 28px);
  background: rgba(11, 15, 13, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .c-coop-card h3 {
  margin: 0;
  font-size: clamp(18px, 2.8vw, 22px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .c-coop-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--white-soft);
}

.page-contact .c-coop-card--paper {
  background: var(--paper);
  color: #16201b;
  border-color: transparent;
  box-shadow: 8px 8px 0 rgba(90, 42, 24, 0.5);
}

.page-contact .c-coop-card--paper p {
  color: #29352d;
}

.page-contact .c-topic {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  padding: 9px 12px;
  color: var(--orange);
  background: rgba(255, 106, 43, 0.12);
  border-left: 3px solid var(--orange);
  overflow-wrap: anywhere;
}

.page-contact .c-coop-card--paper .c-topic {
  color: var(--umber);
  background: rgba(90, 42, 24, 0.12);
  border-left-color: var(--umber);
}

.page-contact .c-need-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .c-need-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--white-soft);
}

.page-contact .c-need-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 2px;
  background: var(--lime);
}

.page-contact .c-coop-card--paper .c-need-list li {
  color: #29352d;
}

.page-contact .c-coop-card--paper .c-need-list li::before {
  background: var(--umber);
}

/* ---------- 服务时间 ---------- */
.page-contact .c-hours {
  display: grid;
  gap: clamp(20px, 3.4vw, 36px);
  align-items: center;
  padding: clamp(20px, 3.6vw, 34px);
  border: 1px solid var(--line-lime);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(29, 91, 69, 0.5) 0%, rgba(11, 15, 13, 0.92) 72%);
}

.page-contact .c-hours-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--grey);
}

.page-contact .c-hours-time {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: clamp(28px, 7vw, 50px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-contact .c-hours-note {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--orange);
}

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

.page-contact .c-hours-list li {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-contact .c-hours-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .c-hours-key {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
}

.page-contact .c-hours-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--white-soft);
}

/* ---------- 常见场景 ---------- */
.page-contact .c-scene-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .c-scene {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  text-decoration: none;
  color: var(--white);
  background: rgba(14, 42, 32, 0.52);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .c-scene:hover,
.page-contact .c-scene:focus-visible {
  transform: translateY(-3px);
  border-color: var(--lime);
  background: rgba(29, 91, 69, 0.55);
}

.page-contact .c-scene-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-contact .c-scene h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
}

.page-contact .c-scene p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--white-soft);
}

.page-contact .c-scene-go {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--lime);
}

.page-contact .c-more {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 24px 0 0;
  font-size: 14px;
  color: var(--grey);
}

.page-contact .c-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 231, 196, 0.4);
}

.page-contact .c-more a:hover,
.page-contact .c-more a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (max-width: 430px) {
  .page-contact .c-channel {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px 12px;
  }

  .page-contact .c-copy {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 40px;
  }

  .page-contact .c-icon {
    width: 34px;
    height: 34px;
  }
}

@media (min-width: 640px) {
  .page-contact .c-scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-contact .c-hours {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-contact .c-coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-contact .c-two-col {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(26px, 4vw, 48px);
  }

  .page-contact .c-media--square {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .c-hero-grid {
    grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
  }
}

@media (min-width: 1020px) {
  .page-contact .c-scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-scene,
  .page-contact .c-copy,
  .page-contact .c-check {
    transition: none;
  }

  .page-contact .c-scene:hover,
  .page-contact .c-scene:focus-visible {
    transform: none;
  }
}