.page-contact {
  --rail-w: 216px;
  --flow-gap: clamp(48px, 7vw, 88px);
  position: relative;
  display: block;
  padding-top: calc(var(--header-h) + clamp(22px, 4vw, 44px));
  padding-bottom: clamp(60px, 9vw, 120px);
  color: var(--c-paper);
  background: var(--c-night);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 760px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(880px 420px at 10% 6%, rgba(122, 92, 255, 0.3), transparent 68%),
    radial-gradient(620px 320px at 88% 0%, rgba(77, 227, 210, 0.14), transparent 72%);
}

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

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--c-mist);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-line-strong);
}

.page-contact .breadcrumb a {
  color: var(--c-mist);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

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

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--c-cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 52px);
  align-items: center;
}

.page-contact .contact-hero__lead {
  min-width: 0;
}

.page-contact .contact-hero__lead .u-index {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--pill);
  color: var(--c-cyan);
  background: rgba(5, 12, 26, 0.6);
}

.page-contact h1 {
  margin: 18px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-contact .contact-hero__intro {
  max-width: 34ch;
  margin: 0;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.85;
  color: rgba(243, 233, 218, 0.82);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px 20px;
  margin: 34px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-hero__meta-item dt {
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

.page-contact .contact-hero__meta-item dd {
  margin: 6px 0 0;
  font-family: var(--font-index);
  font-size: clamp(15px, 2.1vw, 18px);
  font-weight: 700;
  color: var(--c-cyan);
}

.page-contact .contact-hero__figure {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--c-line-strong);
  background: linear-gradient(150deg, rgba(122, 92, 255, 0.35), rgba(5, 12, 26, 0.9) 70%);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

/* ---------- 主体框架 ---------- */
.page-contact .contact-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 56px);
  margin-top: clamp(48px, 8vw, 90px);
}

.page-contact .contact-rail {
  padding: 16px 16px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--c-panel-deep);
}

.page-contact .contact-rail__label {
  color: var(--c-mist);
}

.page-contact .contact-rail__list {
  display: flex;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .contact-rail__list li {
  flex: 0 0 auto;
}

.page-contact .contact-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--pill);
  white-space: nowrap;
  font-size: 13.5px;
  color: rgba(243, 233, 218, 0.86);
  text-decoration: none;
  transition: background 0.28s var(--ease), border-color 0.28s var(--ease), color 0.28s var(--ease);
}

.page-contact .contact-rail__num {
  font-family: var(--font-index);
  font-size: 11px;
  color: var(--c-cyan);
}

.page-contact .contact-rail__list a:hover,
.page-contact .contact-rail__list a:focus-visible {
  background: rgba(122, 92, 255, 0.24);
  border-color: var(--c-violet);
  color: #ffffff;
}

.page-contact .contact-flow {
  display: flex;
  flex-direction: column;
  gap: var(--flow-gap);
  min-width: 0;
}

.page-contact .contact-section {
  scroll-margin-top: calc(var(--header-h) + 28px);
  min-width: 0;
}

.page-contact .section-head .u-index {
  color: var(--c-cyan);
}

.page-contact .section-head__title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-contact .section-head__note {
  max-width: 52ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- 01 通道卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: 30px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 3vw, 30px) clamp(20px, 2.6vw, 26px) clamp(24px, 3vw, 30px) clamp(28px, 3.4vw, 36px);
  border: 1px solid rgba(26, 20, 16, 0.1);
  border-radius: var(--radius-xl);
  background: var(--c-paper);
  color: var(--c-brown);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 3px;
  background: var(--c-bind);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}

.page-contact .channel-card__tag {
  margin: 0;
  font-family: var(--font-index);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-bind);
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--c-brown);
}

.page-contact .channel-card__value {
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(226, 84, 58, 0.55);
  font-family: var(--font-index);
  font-size: clamp(17px, 2.6vw, 22px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--c-brown);
  word-break: break-word;
}

.page-contact .channel-card__value--mail {
  font-size: clamp(13.5px, 1.9vw, 15.5px);
  word-break: break-all;
}

.page-contact .channel-card__value--addr {
  font-size: clamp(14px, 2vw, 16.5px);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #3d3128;
}

.page-contact .channel-card__list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed rgba(26, 20, 16, 0.2);
  list-style: none;
  font-size: 13px;
  line-height: 1.65;
  color: #4d4038;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 15px;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-violet);
}

.page-contact .channel-tip {
  margin: 20px 0 0;
  font-family: var(--font-index);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--c-mist);
}

/* ---------- 02 自查 ---------- */
.page-contact .selfcheck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .selfcheck__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 28px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(122, 92, 255, 0.18), rgba(5, 12, 26, 0.72) 66%);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .selfcheck__item:hover {
  border-color: rgba(77, 227, 210, 0.5);
  transform: translateY(-3px);
}

.page-contact .selfcheck__num {
  color: var(--c-cyan);
}

.page-contact .selfcheck__title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--c-paper);
}

.page-contact .selfcheck__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 233, 218, 0.76);
}

.page-contact .contact-link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(77, 227, 210, 0.5);
  font-family: var(--font-index);
  font-size: 13px;
  color: var(--c-cyan);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

.page-contact .selfcheck__tail {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 03 时段表 ---------- */
.page-contact .hours-table {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-panel-deep);
}

.page-contact .hours-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 20px 20px;
  border-top: 1px solid var(--c-line);
}

.page-contact .hours-row:first-child {
  border-top: 0;
}

.page-contact .hours-row__label {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-contact .hours-row__time {
  font-family: var(--font-index);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-cyan);
}

.page-contact .hours-row__note {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 233, 218, 0.72);
}

.page-contact .hours-note {
  margin-top: 18px;
  padding: clamp(22px, 3vw, 28px);
  border: 1px dashed var(--c-line-strong);
  border-radius: var(--radius-lg);
  background: rgba(10, 23, 48, 0.7);
}

.page-contact .hours-note__title {
  margin: 0 0 12px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-orange);
}

.page-contact .hours-note__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 233, 218, 0.8);
}

.page-contact .hours-note__list li {
  position: relative;
  padding-left: 20px;
}

.page-contact .hours-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--c-cyan);
}

/* ---------- 04 反馈入口 ---------- */
.page-contact .feedback-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 32px);
  margin-top: 30px;
  align-items: start;
}

.page-contact .feedback-figure {
  margin: 0;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(77, 227, 210, 0.16), rgba(5, 12, 26, 0.92) 72%);
}

.page-contact .feedback-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 620;
  object-fit: cover;
}

.page-contact .feedback-steps {
  counter-reset: fstep;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .feedback-steps li {
  position: relative;
  padding-left: 52px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 233, 218, 0.84);
}

.page-contact .feedback-steps li::before {
  counter-increment: fstep;
  content: "0" counter(fstep);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(77, 227, 210, 0.55);
  border-radius: var(--radius-sm);
  background: rgba(5, 12, 26, 0.78);
  font-family: var(--font-index);
  font-size: 12px;
  color: var(--c-cyan);
}

.page-contact .feedback-tip {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--c-orange);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 233, 218, 0.8);
}

/* ---------- 05 纠错与合作 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 22px);
  margin-top: 30px;
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 3vw, 32px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-xl);
  background: linear-gradient(200deg, rgba(226, 84, 58, 0.14), rgba(10, 23, 48, 0.9) 58%);
}

.page-contact .coop-card__num {
  color: var(--c-bind);
}

.page-contact .coop-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--c-paper);
}

.page-contact .coop-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 233, 218, 0.78);
}

.page-contact .coop-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(243, 233, 218, 0.7);
}

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

.page-contact .coop-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: rgba(77, 227, 210, 0.75);
}

/* ---------- 尾段 ---------- */
.page-contact .contact-tail {
  padding: clamp(30px, 4vw, 44px) clamp(24px, 3.4vw, 40px);
  border: 1px solid rgba(122, 92, 255, 0.4);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(560px 260px at 92% 10%, rgba(122, 92, 255, 0.32), transparent 70%),
    rgba(5, 12, 26, 0.86);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-contact .contact-tail__num {
  color: var(--c-cyan);
}

.page-contact .contact-tail__title {
  margin: 12px 0 14px;
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-paper);
}

.page-contact .contact-tail__desc {
  max-width: 56ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 233, 218, 0.78);
}

.page-contact .contact-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-tail__legal {
  margin: 22px 0 0;
  font-family: var(--font-index);
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--c-mist);
}

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

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

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

  .page-contact .hours-row {
    grid-template-columns: minmax(120px, 0.7fr) minmax(160px, 0.9fr) minmax(0, 1.9fr);
    align-items: baseline;
    gap: 20px;
    padding: 22px 24px;
  }

  .page-contact .feedback-panel {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 34px;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.75fr);
    gap: clamp(40px, 5vw, 68px);
  }

  .page-contact .contact-hero__figure img {
    aspect-ratio: 3 / 4;
  }

  .page-contact .contact-body {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: clamp(36px, 4.5vw, 64px);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
    max-height: calc(100vh - var(--header-h) - 60px);
    overflow-y: auto;
  }

  .page-contact .contact-rail__list {
    flex-direction: column;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-contact .contact-rail__list a {
    border-color: transparent;
    border-radius: var(--radius-sm);
    white-space: normal;
  }
}

@media (min-width: 1100px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-contact .contact-hero__actions .btn,
  .page-contact .contact-tail__actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .page-contact .channel-card {
    padding-left: 24px;
  }

  .page-contact .feedback-steps li {
    padding-left: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .selfcheck__item {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .selfcheck__item:hover {
    transform: none;
  }
}