.page-contact {
  --contact-line: rgba(122, 139, 166, 0.24);
  --contact-line-soft: rgba(122, 139, 166, 0.14);
  --contact-mint-glow: rgba(61, 242, 192, 0.14);
  --contact-orange-glow: rgba(255, 138, 61, 0.16);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 8vw, 92px) 0 clamp(32px, 6vw, 64px);
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  right: -14%;
  top: -32%;
  width: 72vw;
  height: 72vw;
  max-width: 720px;
  max-height: 720px;
  background: radial-gradient(circle at 50% 50%, var(--contact-mint-glow), transparent 62%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(220px, 42vw);
  height: 3px;
  background: linear-gradient(90deg, var(--pb-orange), transparent);
}

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

.page-contact .contact-hero .pb-title--mega {
  margin: 14px 0 0;
}

.page-contact .contact-hero .pb-lede {
  max-width: 62ch;
  margin-top: 22px;
}

.page-contact .hero-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
}

.page-contact .hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--pb-panel);
  border: 1px solid var(--contact-line);
  border-radius: 2px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--pb-ink);
}

.page-contact .hero-chip__key {
  font-family: var(--pb-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pb-mint);
}

/* ---------- 章节标题通用 ---------- */

.page-contact .pb-section {
  padding: clamp(44px, 7vw, 84px) 0;
  border-bottom: 1px solid var(--contact-line-soft);
}

.page-contact .pb-section:last-of-type {
  border-bottom: 0;
}

.page-contact .section-title {
  margin: 10px 0 0;
  font-family: var(--pb-serif);
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.24;
  color: var(--pb-white);
  letter-spacing: 0.01em;
}

.page-contact .section-lede {
  max-width: 66ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pb-mute);
}

.page-contact .pb-section__head {
  margin-bottom: clamp(26px, 4vw, 44px);
}

/* ---------- 01 联系方式 ---------- */

.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .channel-card {
  position: relative;
  background: linear-gradient(158deg, var(--pb-panel-2), var(--pb-panel));
  clip-path: var(--pb-cut-sm);
  padding: clamp(18px, 3vw, 24px);
}

.page-contact .channel-card + .channel-card {
  margin-top: 14px;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 54px;
  height: 2px;
  background: var(--pb-mint);
}

.page-contact .channel-card--accent {
  background: linear-gradient(158deg, var(--contact-orange-glow), var(--pb-panel));
}

.page-contact .channel-card--accent::before {
  background: var(--pb-orange);
}

.page-contact .channel-label {
  margin: 0;
  font-family: var(--pb-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pb-mute);
}

.page-contact .channel-value {
  display: block;
  margin-top: 8px;
  font-family: var(--pb-mono);
  font-size: clamp(14px, 2.3vw, 17px);
  line-height: 1.5;
  color: var(--pb-white);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--pb-mute);
}

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

.page-contact .channel-lead {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pb-ink);
}

/* ---------- 02 客服处理范围 ---------- */

.page-contact .scope-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: scope;
}

.page-contact .scope-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--contact-line-soft);
}

.page-contact .scope-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .scope-index {
  font-family: var(--pb-mono);
  font-size: 22px;
  line-height: 1.1;
  color: var(--pb-gold);
  letter-spacing: 0.02em;
}

.page-contact .scope-body {
  min-width: 0;
}

.page-contact .scope-title {
  margin: 0;
  font-size: clamp(16px, 2.4vw, 19px);
  line-height: 1.45;
  color: var(--pb-white);
  font-weight: 600;
}

.page-contact .scope-body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pb-ink);
}

/* ---------- 03 商务合作 ---------- */

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .coop-card {
  position: relative;
  background: var(--pb-panel);
  padding: clamp(20px, 3vw, 26px);
  clip-path: var(--pb-cut-sm);
  border-left: 2px solid var(--pb-panel-2);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-contact .coop-card:hover {
  border-left-color: var(--pb-mint);
  transform: translateX(3px);
}

.page-contact .coop-tag {
  margin: 0;
  font-family: var(--pb-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pb-orange);
}

.page-contact .coop-title {
  margin: 10px 0 0;
  font-size: clamp(16px, 2.4vw, 19px);
  line-height: 1.45;
  color: var(--pb-white);
  font-weight: 600;
}

.page-contact .coop-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pb-ink);
}

/* ---------- 04 反馈建议 ---------- */

.page-contact .feedback-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-contact .feedback-copy p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pb-ink);
}

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

/* ---------- 05 回复节奏 ---------- */

.page-contact .reply-band {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
  background: linear-gradient(120deg, var(--contact-orange-glow), var(--pb-panel) 62%);
  clip-path: var(--pb-cut);
  padding: clamp(24px, 4vw, 42px);
}

.page-contact .reply-mark {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-family: var(--pb-mono);
  color: var(--pb-orange);
}

.page-contact .reply-mark__num {
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1;
  letter-spacing: -0.01em;
}

.page-contact .reply-mark__dash {
  font-size: clamp(20px, 4vw, 30px);
  color: var(--pb-mute);
}

.page-contact .reply-mark__label {
  flex: 1 0 100%;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pb-mute);
}

.page-contact .reply-body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pb-ink);
}

.page-contact .reply-body .pb-eyebrow {
  color: var(--pb-mute);
}

/* ---------- 06 快速帮助 ---------- */

.page-contact .quick-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .quick-link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-rows: auto auto auto;
  column-gap: 14px;
  row-gap: 6px;
  padding: clamp(18px, 2.6vw, 22px);
  background: var(--pb-panel);
  text-decoration: none;
  clip-path: var(--pb-cut-sm);
  outline: 1px solid transparent;
  transition: outline-color 0.22s ease, background 0.22s ease;
}

.page-contact .quick-link:hover,
.page-contact .quick-link:focus-visible {
  outline-color: var(--pb-mint);
  background: var(--pb-panel-2);
}

.page-contact .quick-link__index {
  grid-row: 1 / span 3;
  align-self: start;
  font-family: var(--pb-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--pb-mint);
}

.page-contact .quick-link__title {
  grid-column: 2;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--pb-white);
}

.page-contact .quick-link__desc {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.7;
  color: var(--pb-mute);
}

.page-contact .quick-link__go {
  grid-column: 2;
  font-family: var(--pb-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pb-orange);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  }

  .page-contact .scope-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-contact .feedback-block {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .reply-band {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .reply-mark {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-contact .reply-mark__label {
    flex: 0 0 auto;
    margin-top: 4px;
  }
}

@media (min-width: 1100px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

  .page-contact .coop-card:hover {
    transform: none;
  }
}