.page-contact {
  padding-bottom: 88px;
}

.page-contact .crumb {
  padding-top: 12px;
  margin-bottom: 22px;
}

/* ---------- 首屏：错位色块 + 信笺卡片 ---------- */

.page-contact .contact-hero {
  position: relative;
  display: grid;
  gap: 26px;
  padding-bottom: 44px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -18px;
  right: -12px;
  width: 46%;
  height: 62%;
  background: linear-gradient(135deg, rgba(53, 240, 208, 0.16), rgba(90, 209, 255, 0.04));
  border-top: 2px solid var(--neon);
  pointer-events: none;
  z-index: -1;
}

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

.page-contact .hero-copy .label {
  color: var(--neon);
}

.page-contact .hero-copy h1 {
  margin: 12px 0 16px;
  font-size: clamp(30px, 6.6vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--paper);
  max-width: 17ch;
}

.page-contact .hero-copy .lead {
  margin: 0;
  color: var(--text-on-ink-dim);
}

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

.page-contact .hero-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 26px 22px 22px;
  background: var(--paper);
  color: var(--ink-black);
  border: 1px solid rgba(10, 22, 34, 0.4);
  border-radius: var(--radius);
}

.page-contact .hero-card::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(53, 240, 208, 0.42);
  border-radius: 1px;
  pointer-events: none;
  z-index: 3;
}

.page-contact .hero-card-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .hero-card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
}

.page-contact .hero-card-label {
  color: rgba(10, 22, 34, 0.55);
}

.page-contact .hero-card-title {
  margin: 8px 0 20px;
  font-size: clamp(19px, 3vw, 25px);
  line-height: 1.25;
  color: var(--ink-black);
}

.page-contact .contact-rows {
  margin: 0;
  border-top: 1px solid rgba(10, 22, 34, 0.22);
}

.page-contact .contact-row {
  padding: 15px 0;
  border-bottom: 1px solid rgba(10, 22, 34, 0.22);
}

.page-contact .contact-row-key {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--link-on-paper);
}

.page-contact .contact-row-val {
  margin: 0;
}

.page-contact .contact-main {
  display: block;
  font-size: clamp(15px, 2.5vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink-black);
  overflow-wrap: anywhere;
}

.page-contact .contact-use {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(10, 22, 34, 0.66);
}

/* ---------- 横向主题带 ---------- */

.page-contact .contact-band {
  margin: 0;
  padding-block: 14px;
  background: var(--ink-layer);
  border-block: 1px solid var(--line);
}

.page-contact .band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 22px;
}

.page-contact .band-inner .label {
  color: var(--coral);
}

.page-contact .band-note {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-on-ink-dim);
}

/* ---------- 主体：窄索引栏 + 主区堆叠 ---------- */

.page-contact .contact-body {
  display: grid;
  gap: 30px;
  padding-top: 44px;
}

.page-contact .contact-rail {
  align-self: start;
}

.page-contact .rail-title {
  color: var(--mist);
  margin: 0;
}

.page-contact .rail-index {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
}

.page-contact .rail-index a {
  display: inline-block;
  padding: 7px 12px;
  font-size: 13px;
  line-height: 1.2;
  color: var(--text-on-ink);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.page-contact .rail-index a:hover,
.page-contact .rail-index a:focus-visible {
  color: var(--ink-deep);
  background: var(--neon);
  border-color: var(--neon);
}

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

/* ---------- 时段说明 ---------- */

.page-contact .hours-block {
  overflow: hidden;
}

.page-contact .hours-block h2 {
  margin: 10px 0 12px;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.16;
  color: var(--paper);
}

.page-contact .hours-block .lead {
  color: var(--text-on-ink-dim);
}

.page-contact .hours-figure {
  margin: 24px 0 26px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

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

.page-contact .hours-facts {
  display: grid;
  gap: 20px;
}

.page-contact .hours-fact {
  padding-top: 15px;
  border-top: 2px solid var(--coral);
}

.page-contact .hours-fact:nth-child(2) {
  border-top-color: var(--neon);
}

.page-contact .hours-fact:nth-child(3) {
  border-top-color: var(--electric);
}

.page-contact .hours-fact .label {
  margin: 0;
  color: var(--paper);
}

.page-contact .hours-fact p:not(.label) {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-on-ink-dim);
}

/* ---------- 区块标题 ---------- */

.page-contact .section-head {
  margin-bottom: 22px;
}

.page-contact .section-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.16;
  color: var(--paper);
}

.page-contact .section-head .lead {
  margin: 0;
  max-width: 58ch;
  color: var(--text-on-ink-dim);
}

/* ---------- 反馈分类：纸白面板内折叠组 ---------- */

.page-contact .feedback-panel {
  padding: 0;
  overflow: hidden;
}

.page-contact .feedback-panel .expand {
  border-bottom: 1px solid rgba(10, 22, 34, 0.16);
}

.page-contact .feedback-panel .expand:last-child {
  border-bottom: 0;
}

.page-contact .feedback-panel .expand-btn {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  color: var(--ink-black);
  transition: background 180ms ease;
}

.page-contact .feedback-panel .expand-btn::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--coral);
  transform: scaleY(0);
  transition: transform 180ms ease;
}

.page-contact .feedback-panel .expand-btn:hover {
  background: var(--wash);
}

.page-contact .feedback-panel .expand-btn[aria-expanded="true"] {
  background: rgba(185, 245, 234, 0.55);
}

.page-contact .feedback-panel .expand-btn:hover::before,
.page-contact .feedback-panel .expand-btn[aria-expanded="true"]::before {
  transform: scaleY(1);
}

.page-contact .expand-index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--link-on-paper);
}

.page-contact .expand-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .feedback-panel .expand-inner {
  padding: 2px 20px 22px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(10, 22, 34, 0.8);
}

.page-contact .feedback-panel .expand-inner > p {
  margin: 0 0 12px;
}

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

.page-contact .prose-list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .prose-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 10px;
  height: 2px;
  background: var(--coral);
}

/* ---------- 纠错节奏：编号步骤表 ---------- */

.page-contact .correction-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-contact .step-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .step-num {
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--neon);
}

.page-contact .step-item h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .step-item p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-on-ink-dim);
}

/* ---------- 备案信息栏 ---------- */

.page-contact .filing-bar {
  display: grid;
  gap: 8px;
  margin-top: 8px;
  padding: 22px 20px;
  background: rgba(14, 44, 71, 0.6);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.page-contact .filing-title {
  margin: 0;
  color: var(--mist);
}

.page-contact .filing-value {
  margin: 0;
  font-size: clamp(18px, 3.2vw, 24px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .filing-note {
  margin: 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.72;
  color: var(--text-on-ink-dim);
}

.page-contact .filing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 6px 0 0;
}

.page-contact .filing-links a {
  font-size: 13px;
  color: var(--electric);
  text-decoration: underline;
  text-decoration-color: var(--neon);
  text-underline-offset: 3px;
}

.page-contact .filing-links a:hover,
.page-contact .filing-links a:focus-visible {
  color: var(--neon);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 720px) {
  .page-contact .hours-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .step-item {
    grid-template-columns: 64px minmax(0, 1fr);
    column-gap: 18px;
    align-items: start;
  }

  .page-contact .step-num {
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: start;
  }

  .page-contact .step-item h3 {
    grid-column: 2;
    grid-row: 1;
  }

  .page-contact .step-item p {
    grid-column: 2;
    grid-row: 2;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 44px;
    padding-bottom: 56px;
  }

  .page-contact .contact-hero::before {
    top: -26px;
    right: -30px;
    width: 42%;
    height: 58%;
  }

  .page-contact .hero-card {
    margin-top: 34px;
    padding: 32px 28px 24px;
  }

  .page-contact .contact-body {
    grid-template-columns: 228px minmax(0, 1fr);
    gap: 44px;
    padding-top: 52px;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-h-compact) + 28px);
  }

  .page-contact .rail-index {
    flex-direction: column;
    align-items: stretch;
  }

  .page-contact .rail-index a {
    display: block;
    padding: 9px 12px;
  }

  .page-contact .filing-bar {
    padding: 26px 28px;
  }
}
<<<END>>>