.page-contact {
  --contact-soft-line: rgba(46, 107, 90, 0.7);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: clamp(20px, 4vw, 40px) 0 clamp(36px, 6vw, 76px);
}

.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 30%;
  opacity: 0.3;
  filter: saturate(0.65) contrast(1.05);
}

.page-contact .contact-hero-veil {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(6, 26, 21, 0.7) 0%, rgba(6, 26, 21, 0.9) 55%, var(--bg) 100%),
    linear-gradient(to right, rgba(46, 107, 90, 0.22) 0 1px, transparent 1px);
  background-size: 100% 100%, 96px 100%;
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(34px, 8vw, 72px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .contact-lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--text);
}

.page-contact .contact-lede-sub {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-lede-sub a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(147, 233, 216, 0.4);
}

.page-contact .contact-lede-sub a:hover,
.page-contact .contact-lede-sub a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .contact-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .contact-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  background: rgba(13, 43, 36, 0.72);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-contact .contact-jump a:hover,
.page-contact .contact-jump a:focus-visible {
  background: var(--raise);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .contact-jump .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* 反馈工作台 */
.page-contact .contact-desk {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  padding-block: clamp(34px, 5.5vw, 68px);
}

.page-contact .contact-channels,
.page-contact .contact-feedback {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .contact-channels > .section-title,
.page-contact .contact-feedback > .section-title,
.page-contact .contact-topics > .section-title,
.page-contact .contact-hours > .section-title,
.page-contact .contact-siteinfo > .section-title {
  margin: 0 0 4px;
}

.page-contact .contact-channels-note {
  margin: 0 0 2px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .coord-card {
  position: relative;
  padding: 18px 20px 20px 22px;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-contact .coord-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--line);
  transition: background 0.18s var(--ease);
}

.page-contact .coord-card--primary::before {
  background: var(--gold);
}

.page-contact .coord-card:hover {
  background: var(--raise);
  transform: translateY(-2px);
}

.page-contact .coord-card:hover::before {
  background: var(--cyan);
}

.page-contact .coord-label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .coord-value {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.45;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .coord-card--primary .coord-value {
  color: var(--cyan);
}

.page-contact .coord-card--phone .coord-value {
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-contact .coord-card--address .coord-value {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
}

.page-contact .coord-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 状态提示条 */
.page-contact .contact-alert {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background-image: linear-gradient(90deg, var(--wine) 0%, rgba(123, 38, 59, 0.42) 100%);
  border-left: 3px solid var(--gold);
}

.page-contact .contact-alert p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .contact-alert-mark {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  background: rgba(6, 26, 21, 0.55);
  color: var(--gold);
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
}

/* 反馈步骤 */
.page-contact .contact-steps {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  counter-reset: cstep;
}

.page-contact .contact-steps li {
  counter-increment: cstep;
  position: relative;
  padding: 15px 18px 16px 60px;
  background: var(--panel);
  border-top: 1px solid var(--line);
  transition: background 0.18s var(--ease);
}

.page-contact .contact-steps li:hover {
  background: var(--raise);
}

.page-contact .contact-steps li::before {
  content: "0" counter(cstep);
  position: absolute;
  left: 18px;
  top: 15px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .step-title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .step-body {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-shot {
  margin: 0;
}

.page-contact .contact-shot img,
.page-contact .frame img {
  max-width: 100%;
  height: auto;
}

.page-contact .contact-fold {
  border: 1px solid var(--line);
  background: rgba(13, 43, 36, 0.55);
}

.page-contact .contact-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .contact-fold > summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 16px;
  color: var(--gold);
}

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

.page-contact .contact-fold ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0 18px 18px 36px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-feedback-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-feedback-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(147, 233, 216, 0.4);
}

.page-contact .contact-feedback-note a:hover,
.page-contact .contact-feedback-note a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* 纠错与合作 */
.page-contact .contact-topics {
  padding-block: clamp(34px, 5.5vw, 68px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-topics-note,
.page-contact .contact-hours-note {
  margin: 6px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-topic-grid {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-contact .topic-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px 18px 18px;
  background: var(--panel);
  border-left: 2px solid var(--line);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-contact .topic-card:hover {
  background: var(--raise);
  border-left-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .topic-no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .topic-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .topic-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .topic-card .topic-subject {
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

/* 服务时段 */
.page-contact .contact-hours {
  padding-block: clamp(34px, 5.5vw, 68px);
  border-top: 1px solid var(--line);
}

.page-contact .hours-scale {
  margin-top: 24px;
}

.page-contact .hours-track {
  position: relative;
  height: 14px;
  border: 1px solid var(--line);
  background-color: var(--panel);
  background-image: linear-gradient(to right, var(--line) 0 1px, transparent 1px);
  background-size: calc(100% / 11) 100%;
  background-repeat: repeat-x;
}

.page-contact .hours-track::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(100% / 11);
  width: calc(100% * 9 / 11);
  background-image: linear-gradient(90deg, rgba(147, 233, 216, 0.55), rgba(243, 201, 105, 0.65));
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-contact .hours-labels {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .hours-list {
  list-style: none;
  display: grid;
  gap: 0;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .hours-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-top: 1px solid var(--contact-soft-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hours-key {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  white-space: nowrap;
}

/* 站点信息 */
.page-contact .contact-siteinfo {
  padding-block: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line);
}

.page-contact .siteinfo-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding-top: 14px;
}

.page-contact .siteinfo-icp {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .siteinfo-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
  font-size: 13px;
}

.page-contact .siteinfo-links a {
  color: var(--text);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

/* 响应式 */
@media (max-width: 479px) {
  .page-contact .hours-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 3px;
  }

  .page-contact .coord-value {
    font-size: 15px;
  }

  .page-contact .contact-steps li {
    padding-left: 52px;
  }

  .page-contact .contact-steps li::before {
    left: 14px;
  }
}

@media (min-width: 720px) {
  .page-contact .contact-topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-desk {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7.6fr);
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-contact .contact-topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}