.page-contact {
  --ct-line: rgba(22, 224, 200, 0.18);
  --ct-line-soft: rgba(201, 214, 208, 0.14);
  --ct-line-paper: rgba(11, 31, 23, 0.14);
  --ct-ink: #0B1F17;
  --ct-ink-soft: #3E5B50;
  --ct-radius: 3px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 4.6vw, 58px) 0 clamp(18px, 2.6vw, 34px);
  background:
    radial-gradient(58% 62% at 16% 4%, rgba(22, 224, 200, 0.13), transparent 68%),
    radial-gradient(46% 52% at 88% 12%, rgba(255, 90, 43, 0.08), transparent 70%);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
  align-items: start;
}

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: 18px;
}

.page-contact .contact-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(27px, 3.5vw, 43px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.8;
  color: var(--steel);
}

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

.page-contact .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 22px;
  padding: 7px 14px 7px 12px;
  border: 1px solid var(--ct-line);
  background: rgba(18, 51, 38, 0.5);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-contact .hero-badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 194, 75, 0.16);
}

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

.page-contact .contact-hero__figure .figure__frame {
  border: 1px solid var(--ct-line);
  overflow: hidden;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.06);
}

.page-contact .contact-hero__figure .figure__cap {
  padding-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 章节索引 ---------- */
.page-contact .contact-toc {
  position: sticky;
  top: 0;
  z-index: 5;
  padding: 10px 0;
  background: linear-gradient(180deg, rgba(11, 31, 23, 0.96), rgba(11, 31, 23, 0.72));
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
  backdrop-filter: blur(6px);
}

.page-contact .contact-toc .toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-toc .toc__link {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--mute);
  text-decoration: none;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .contact-toc .toc__link:hover,
.page-contact .contact-toc .toc__link:focus-visible {
  color: var(--cyan);
  border-color: var(--ct-line);
}

.page-contact .contact-toc .toc__link[aria-current="true"] {
  color: var(--pitch);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 章节通用 ---------- */
.page-contact .panel {
  margin-top: clamp(38px, 6vw, 96px);
}

.page-contact .panel__head {
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.page-contact .panel--paper .panel__head .panel__lead {
  color: var(--ct-ink-soft);
}

/* ---------- 01 来意受理台 ---------- */
.page-contact .intent-tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .intent-tab {
  display: block;
  padding: 15px 17px;
  border: 1px solid var(--ct-line);
  border-radius: var(--ct-radius);
  background: rgba(18, 51, 38, 0.55);
  cursor: pointer;
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-contact .intent-tab:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-contact .intent-tab__no {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-contact .intent-tab__name {
  display: block;
  margin-top: 7px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--paper);
}

.page-contact .intent-tab__note {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mute);
}

.page-contact #intent-data:checked ~ .intent-tabs .intent-tab[for="intent-data"],
.page-contact #intent-account:checked ~ .intent-tabs .intent-tab[for="intent-account"],
.page-contact #intent-partner:checked ~ .intent-tabs .intent-tab[for="intent-partner"] {
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(22, 224, 200, 0.16), rgba(11, 31, 23, 0.32));
  box-shadow: inset 0 0 0 1px rgba(22, 224, 200, 0.24);
}

.page-contact #intent-data:checked ~ .intent-tabs .intent-tab[for="intent-data"] .intent-tab__name,
.page-contact #intent-account:checked ~ .intent-tabs .intent-tab[for="intent-account"] .intent-tab__name,
.page-contact #intent-partner:checked ~ .intent-tabs .intent-tab[for="intent-partner"] .intent-tab__name {
  color: var(--cyan);
}

.page-contact .intent-radio:focus-visible ~ .intent-tabs .intent-tab {
  outline: 1px dashed var(--line-strong);
  outline-offset: 3px;
}

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

.page-contact #intent-data:checked ~ .intent-panels .intent-panel[data-panel="data"],
.page-contact #intent-account:checked ~ .intent-panels .intent-panel[data-panel="account"],
.page-contact #intent-partner:checked ~ .intent-panels .intent-panel[data-panel="partner"] {
  display: block;
  animation: ct-panel-in 0.32s var(--ease) both;
}

@keyframes ct-panel-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-contact .intent-panel {
  margin-top: 18px;
  padding: clamp(18px, 2.4vw, 30px);
  border: 1px solid var(--line-strong);
  border-radius: var(--ct-radius);
  background:
    linear-gradient(180deg, rgba(22, 224, 200, 0.07), rgba(11, 31, 23, 0.62)),
    var(--panel);
}

.page-contact .intent-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .intent-panel__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .intent-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .intent-panel__list li {
  position: relative;
  padding: 7px 0 7px 20px;
  border-bottom: 1px dashed var(--ct-line-soft);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .intent-panel__list li::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: var(--cyan);
  font-weight: 700;
}

.page-contact .intent-panel__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .intent-panel__meta {
  margin: 16px 0 0;
  padding: 9px 13px;
  display: inline-block;
  border: 1px solid rgba(255, 194, 75, 0.4);
  background: rgba(255, 194, 75, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--amber);
}

/* ---------- 02 数据订正 ---------- */
.page-contact .flow-svg {
  display: none;
  width: 100%;
  height: auto;
  margin: 0 0 26px;
}

.page-contact .flow-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-steps__item {
  padding-top: 14px;
  border-top: 2px solid var(--ct-line-paper);
}

.page-contact .flow-steps__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-deep);
}

.page-contact .flow-steps__title {
  margin: 9px 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--ct-ink);
}

.page-contact .flow-steps__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .flow-steps__text a {
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .verify-note {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
  margin-top: clamp(26px, 3.4vw, 44px);
  padding-top: clamp(20px, 2.4vw, 30px);
  border-top: 1px solid var(--ct-line-paper);
}

.page-contact .verify-note__text h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  color: var(--ct-ink);
}

.page-contact .verify-note__text p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .verify-note__figure {
  margin: 0;
}

.page-contact .verify-note__figure .figure__frame {
  border: 1px solid var(--ct-line-paper);
  overflow: hidden;
}

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

/* ---------- 03 账号与订阅 ---------- */
.page-contact .support-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .support-list .fold {
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .support-list .fold__body {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .support-list .fold__body p {
  margin: 0 0 8px;
}

.page-contact .support-list__hint {
  color: var(--mute);
  font-size: 13px;
}

.page-contact .support-list__hint a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 04 合作洽谈 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 1.6vw, 20px);
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 26px);
  border-top: 2px solid var(--cyan);
  background: linear-gradient(180deg, rgba(18, 51, 38, 0.86), rgba(11, 31, 23, 0.6));
}

.page-contact .partner-card .card__title {
  font-size: 19px;
}

.page-contact .partner-card .card__meta {
  color: var(--mute);
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .partnership__note {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--flare);
  background: rgba(255, 90, 43, 0.07);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 05 在线与响应 ---------- */
.page-contact .response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 1.8vw, 22px);
}

.page-contact .response-item {
  padding: 20px 22px;
  border: 1px solid var(--ct-line);
  border-radius: var(--ct-radius);
  background: rgba(18, 51, 38, 0.42);
}

.page-contact .response-item__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(38px, 4.6vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-contact .response-item--hot .response-item__num {
  color: var(--flare);
}

.page-contact .response-item__unit {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mute);
}

.page-contact .response-item__text {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .response__note {
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--ct-line-soft);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mute);
}

/* ---------- 06 联系方式落款 ---------- */
.page-contact .contact-signoff {
  margin-bottom: clamp(40px, 6vw, 90px);
  padding: clamp(24px, 3.2vw, 44px);
  border: 1px solid var(--line-strong);
  border-radius: var(--ct-radius);
  background:
    linear-gradient(140deg, rgba(22, 224, 200, 0.1), rgba(11, 31, 23, 0.4) 55%),
    var(--panel);
}

.page-contact .contact-signoff .panel__title {
  margin: 12px 0 0;
}

.page-contact .contact-signoff__lead {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .contact-lines {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  max-width: 760px;
}

.page-contact .contact-lines li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--ct-line-soft);
}

.page-contact .contact-lines__key {
  flex: 0 0 auto;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-contact .contact-lines__val {
  flex: 1 1 220px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-lines__val.num {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.page-contact .contact-lines .copy-btn {
  flex: 0 0 auto;
}

.page-contact .contact-lines .copy-hint {
  flex: 0 0 auto;
}

.page-contact .contact-signoff__note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .contact-signoff__foot {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mute);
}

.page-contact .contact-signoff__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-contact .intent-tabs {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .intent-panel__grid {
    grid-template-columns: 1.35fr 1fr;
    gap: clamp(20px, 3vw, 40px);
  }

  .page-contact .flow-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 28px;
  }

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

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

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-contact .flow-svg {
    display: block;
  }

  .page-contact .flow-steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .verify-note {
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(24px, 3vw, 44px);
  }
}

@media (min-width: 1280px) {
  .page-contact .contact-lines li {
    gap: 8px 20px;
  }

  .page-contact .contact-signoff {
    padding: clamp(30px, 3.4vw, 52px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .intent-panel {
    animation: none;
  }

  .page-contact .intent-tab {
    transition: none;
  }

  .page-contact .intent-tab:hover {
    transform: none;
  }
}