.page-contact {
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 28px) 0 52px;
  background: var(--ink);
  color: var(--paper);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: -30%;
  right: -25%;
  width: 90%;
  height: 150%;
  background: linear-gradient(158deg, var(--red) 0%, var(--orange) 44%, var(--slate) 82%, var(--ink) 100%);
  opacity: 0.55;
  transform: skewX(-13deg);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(201, 214, 227, 0.09) 0 1px,
    transparent 1px 64px
  );
  pointer-events: none;
}

.page-contact .contact-hero .breadcrumb-link,
.page-contact .contact-hero .breadcrumb-current,
.page-contact .contact-hero .breadcrumb-list {
  color: var(--frost);
}

.page-contact .contact-hero .eyebrow {
  color: var(--gold);
  letter-spacing: 0.14em;
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  margin-top: 18px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 6.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 10px 0 18px;
  transform: skewX(-3deg);
  transform-origin: left bottom;
  color: var(--paper);
}

.page-contact .hero-lede {
  font-size: 17px;
  line-height: 1.8;
  color: var(--frost);
  max-width: 46ch;
  margin: 0;
}

.page-contact .hero-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 26px 0 22px;
}

.page-contact .hero-channel {
  border: 1px solid rgba(201, 214, 227, 0.24);
  border-left: 3px solid var(--gold);
  border-radius: var(--r-sm);
  background: rgba(11, 14, 18, 0.55);
  padding: 13px 16px;
}

.page-contact .hero-channel-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .hero-channel-value {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(14px, 3.2vw, 19px);
  line-height: 1.4;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

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

.page-contact .hero-figure {
  margin: 0;
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid rgba(217, 164, 65, 0.42);
  box-shadow: var(--shadow-float);
  object-fit: cover;
}

/* ---------- 通用节奏 ---------- */
.page-contact .section {
  padding: 52px 0;
}

.page-contact .section-head {
  max-width: 62ch;
  margin-bottom: 26px;
}

.page-contact .section-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.18;
  margin: 8px 0 12px;
}

.page-contact .lede {
  font-size: 17px;
  line-height: 1.8;
  color: var(--graphite);
  margin: 0;
}

/* ---------- 三条联系路径 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .channel-card {
  border-radius: var(--r-md);
  padding: 22px 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.page-contact .channel-card-red {
  background: var(--red);
  color: var(--paper);
}

.page-contact .channel-card-ink {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .channel-card-paper {
  background: var(--paper-soft);
  color: var(--ink);
  border: 1px solid rgba(91, 102, 115, 0.28);
}

.page-contact .channel-card .card-label {
  font-size: 13px;
  letter-spacing: 0.12em;
  margin: 0 0 10px;
  color: var(--gold);
}

.page-contact .channel-card-paper .card-label {
  color: var(--red);
}

.page-contact .channel-value {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(15px, 3vw, 20px);
  line-height: 1.45;
  margin: 0 0 12px;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-text {
  font-size: 15.5px;
  line-height: 1.75;
  margin: 0 0 14px;
  opacity: 0.94;
}

.page-contact .channel-card-paper .channel-text {
  opacity: 1;
  color: var(--graphite);
}

.page-contact .channel-foot {
  margin: auto 0 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-contact .channel-link {
  margin-top: auto;
  align-self: flex-start;
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--pill);
  background: var(--ink);
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 180ms ease, transform 180ms ease;
}

.page-contact .channel-link:hover,
.page-contact .channel-link:focus-visible {
  background: var(--red);
  transform: translateY(-1px);
}

.page-contact .stat-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 26px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(91, 102, 115, 0.26);
  border-top: 3px solid var(--red);
  overflow: hidden;
  background: var(--paper-soft);
}

.page-contact .stat-cell {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  border-bottom: 1px solid rgba(91, 102, 115, 0.18);
}

.page-contact .stat-cell:last-child {
  border-bottom: 0;
}

.page-contact .stat-number {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 24px;
  color: var(--red);
  line-height: 1;
}

.page-contact .stat-unit {
  font-size: 14px;
  color: var(--graphite);
}

/* ---------- 反馈前准备 ---------- */
.page-contact .contact-prep {
  background: var(--paper);
}

.page-contact .prep-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-contact .prep-hint {
  margin: 14px 0 0;
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--pill);
  background: rgba(31, 157, 138, 0.14);
  color: var(--jade);
  font-size: 13.5px;
  font-weight: 700;
}

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

.page-contact .prep-item {
  position: relative;
}

.page-contact .prep-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .prep-label {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-radius: var(--r-sm);
  background: var(--paper-soft);
  border: 1px solid rgba(91, 102, 115, 0.24);
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.page-contact .prep-label:hover {
  border-color: var(--gold);
}

.page-contact .prep-box {
  position: relative;
  display: block;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  border: 2px solid rgba(91, 102, 115, 0.55);
  background: var(--paper);
  transition: background 180ms ease, border-color 180ms ease;
}

.page-contact .prep-box::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 8px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(42deg) scale(0);
  transform-origin: center;
  transition: transform 160ms ease;
}

.page-contact .prep-check:checked + .prep-label {
  background: rgba(31, 157, 138, 0.1);
  border-color: var(--jade);
}

.page-contact .prep-check:checked + .prep-label .prep-box {
  background: var(--jade);
  border-color: var(--jade);
}

.page-contact .prep-check:checked + .prep-label .prep-box::after {
  transform: rotate(42deg) scale(1);
}

.page-contact .prep-check:focus-visible + .prep-label {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-contact .prep-title {
  display: block;
  font-weight: 800;
  font-size: 16.5px;
  margin-bottom: 4px;
}

.page-contact .prep-text {
  display: block;
  font-size: 15px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 按问题选通道 ---------- */
.page-contact .contact-topics {
  background: var(--paper-soft);
}

.page-contact .topic-switch {
  position: relative;
}

.page-contact .topic-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .topic-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .topic-tab {
  padding: 9px 18px;
  border-radius: var(--pill);
  border: 1px solid rgba(91, 102, 115, 0.34);
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-contact .topic-tab:hover {
  border-color: var(--red);
  color: var(--red);
}

.page-contact #topic-sub:checked ~ .topic-tabs label[for="topic-sub"],
.page-contact #topic-panel:checked ~ .topic-tabs label[for="topic-panel"],
.page-contact #topic-export:checked ~ .topic-tabs label[for="topic-export"],
.page-contact #topic-biz:checked ~ .topic-tabs label[for="topic-biz"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--gold);
}

.page-contact #topic-sub:focus-visible ~ .topic-tabs label[for="topic-sub"],
.page-contact #topic-panel:focus-visible ~ .topic-tabs label[for="topic-panel"],
.page-contact #topic-export:focus-visible ~ .topic-tabs label[for="topic-export"],
.page-contact #topic-biz:focus-visible ~ .topic-tabs label[for="topic-biz"] {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-contact .topic-panels {
  border-radius: var(--r-md);
  background: var(--slate);
  color: var(--paper);
  padding: 24px 20px;
  border-left: 4px solid var(--red);
  box-shadow: var(--shadow-card);
}

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

.page-contact #topic-sub:checked ~ .topic-panels .topic-panel[data-topic="sub"],
.page-contact #topic-panel:checked ~ .topic-panels .topic-panel[data-topic="panel"],
.page-contact #topic-export:checked ~ .topic-panels .topic-panel[data-topic="export"],
.page-contact #topic-biz:checked ~ .topic-panels .topic-panel[data-topic="biz"] {
  display: block;
}

.page-contact .topic-subject {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--frost);
}

.page-contact .topic-subject span {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 16px;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .topic-example {
  margin: 0 0 14px;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  background: rgba(16, 20, 24, 0.55);
  border-left: 3px solid var(--jade);
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--frost);
}

.page-contact .topic-text {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .topic-link {
  display: inline-block;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 2px solid rgba(217, 164, 65, 0.45);
  padding-bottom: 2px;
  transition: border-color 180ms ease, color 180ms ease;
}

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

/* ---------- 响应流程 ---------- */
.page-contact .process-section {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .process-section .eyebrow {
  color: var(--gold);
  letter-spacing: 0.14em;
}

.page-contact .process-section .section-title {
  color: var(--paper);
}

.page-contact .process-section .lede {
  color: var(--frost);
}

.page-contact .process-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-contact .process-figure {
  margin: 0;
}

.page-contact .process-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid rgba(217, 164, 65, 0.36);
  object-fit: cover;
}

.page-contact .process-caption {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--frost);
}

.page-contact .process-steps {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
  display: grid;
  gap: 0;
}

.page-contact .process-step {
  position: relative;
  padding: 0 0 26px 46px;
  border-left: 2px solid rgba(217, 164, 65, 0.3);
}

.page-contact .process-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .process-num {
  position: absolute;
  left: -18px;
  top: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--red);
  color: var(--paper);
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 13px;
}

.page-contact .process-step:nth-child(2) .process-num {
  background: var(--orange);
}

.page-contact .process-step:nth-child(3) .process-num {
  background: var(--gold);
  color: var(--ink);
}

.page-contact .process-step:nth-child(4) .process-num {
  background: var(--jade);
}

.page-contact .process-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  margin: 4px 0 6px;
  color: var(--paper);
}

.page-contact .process-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--frost);
}

/* ---------- 地址与备案 ---------- */
.page-contact .office-section {
  background: var(--paper);
}

.page-contact .office-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .office-card {
  background: var(--paper-soft);
  border: 1px solid rgba(91, 102, 115, 0.24);
  border-top: 4px solid var(--gold);
  border-radius: var(--r-md);
  padding: 22px 20px;
}

.page-contact .office-label {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--graphite);
}

.page-contact .office-value {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2.6vw, 22px);
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .office-value-small {
  font-family: var(--font-num);
  font-size: clamp(15px, 2.4vw, 19px);
  color: var(--red);
}

.page-contact .office-note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--graphite);
  overflow-wrap: anywhere;
}

/* ---------- 合作与媒体 ---------- */
.page-contact .partner-section {
  background: var(--paper-soft);
}

.page-contact .partner-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  border-radius: var(--r-lg);
  background: var(--paper);
  border: 1px solid rgba(91, 102, 115, 0.22);
  border-left: 6px solid var(--red);
  padding: 26px 20px;
  box-shadow: var(--shadow-card);
}

.page-contact .partner-note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .partner-side {
  background: var(--slate);
  color: var(--paper);
  border-radius: var(--r-md);
  padding: 22px 20px;
}

.page-contact .partner-side-title {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .partner-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .partner-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--frost);
}

.page-contact .partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--jade);
  transform: rotate(45deg);
}

.page-contact .partner-side .btn {
  width: 100%;
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .hero-channels {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .stat-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .stat-cell {
    border-bottom: 0;
    border-right: 1px solid rgba(91, 102, 115, 0.18);
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-contact .stat-cell:last-child {
    border-right: 0;
  }

  .page-contact .topic-panels {
    padding: 28px 26px;
  }

  .page-contact .office-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: calc(var(--header-h) + 40px) 0 72px;
  }

  .page-contact .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }

  .page-contact .section {
    padding: 72px 0;
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.15fr 1fr 0.9fr;
  }

  .page-contact .prep-wrap {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 44px;
  }

  .page-contact .process-layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
  }

  .page-contact .partner-inner {
    grid-template-columns: 1.35fr 0.65fr;
    gap: 36px;
    padding: 36px 34px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero h1 {
    transform: none;
  }

  .page-contact .channel-link,
  .page-contact .topic-tab,
  .page-contact .prep-label,
  .page-contact .prep-box,
  .page-contact .prep-box::after {
    transition: none;
  }

  .page-contact .channel-link:hover,
  .page-contact .channel-link:focus-visible {
    transform: none;
  }
}
<<<END>>>