.page-contact {
  --paper-soft: #6A6152;
  --paper-body: #3B362B;
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 4vw, 40px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 22px;
}

.page-contact .contact-hero__head {
  display: grid;
  gap: 18px;
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.8vw, 78px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero h1 .hl {
  color: var(--cyan);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-hero__stat {
  padding: 22px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(41, 242, 224, 0.14), transparent 62%),
    linear-gradient(180deg, var(--panel), #0A0D18);
}

.page-contact .contact-hero__clock {
  margin: 10px 0 6px;
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-contact .contact-hero__stat-note {
  margin: 0;
  font-size: var(--fs-note);
  color: var(--gray);
}

.page-contact .contact-hero__media {
  margin: clamp(28px, 4vw, 52px) 0 0;
}

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

/* ---------- 通道卡片 ---------- */
.page-contact .channels__grid {
  display: grid;
  gap: 20px;
  margin-top: clamp(30px, 4vw, 48px);
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.3vw, 32px);
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.5vw, 21px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .channel__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}

.page-contact .channel__value a:hover,
.page-contact .channel__value a:focus-visible {
  border-bottom-color: currentColor;
  color: var(--white);
}

.page-contact .channel__text {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel__actions {
  margin-top: auto;
  padding-top: 18px;
}

.page-contact .card--paper .channel__label,
.page-contact .card--paper .eyebrow {
  color: var(--paper-soft);
}

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

.page-contact .card--paper .channel__text,
.page-contact .card--paper .fix__sla-text {
  color: var(--paper-body);
}

/* ---------- 赛程纠错 ---------- */
.page-contact .fix__layout {
  display: grid;
  gap: 40px;
  margin-top: clamp(30px, 4vw, 48px);
}

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

.page-contact .step {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 20px;
  padding-bottom: 30px;
}

.page-contact .step:last-child {
  padding-bottom: 0;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 56px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--line), rgba(35, 42, 61, 0.12));
}

.page-contact .step:last-child::before {
  display: none;
}

.page-contact .step__num {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .step__body {
  padding-top: 6px;
}

.page-contact .step__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 1.5vw, 21px);
  font-weight: 700;
  color: var(--white);
}

.page-contact .step__text {
  margin: 0;
  max-width: 52ch;
  font-size: var(--fs-note);
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .fix__sla {
  display: grid;
  gap: 8px;
  padding: clamp(22px, 2.4vw, 30px);
}

.page-contact .fix__sla-num {
  margin: 0;
  font-size: clamp(34px, 4vw, 46px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .fix__sla-text {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.7;
}

/* ---------- 版本反馈 ---------- */
.page-contact .feedback__panel {
  display: grid;
  gap: 32px;
  padding: clamp(26px, 3.2vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(125% 140% at 100% 0%, rgba(138, 92, 255, 0.18), transparent 62%),
    linear-gradient(180deg, var(--panel), #0A0D18);
}

.page-contact .feedback__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .feedback__subtitle {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-contact .feedback__foot {
  margin: 22px 0 0;
  font-size: var(--fs-note);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 26px;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: var(--r-pill);
  background: var(--cyan);
}

.page-contact .checklist--violet li::before {
  background: var(--violet);
}

/* ---------- 合作共建 ---------- */
.page-contact .partner__grid {
  display: grid;
  gap: 32px;
  margin-top: clamp(30px, 4vw, 48px);
}

.page-contact .partner__copy p {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .partner__aside {
  padding: clamp(22px, 2.4vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--panel);
}

.page-contact .partner__aside h3 {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
}

/* ---------- 响应时效 ---------- */
.page-contact .sla__board {
  display: grid;
  gap: 1px;
  margin-top: clamp(30px, 4vw, 48px);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-contact .sla__cell {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(22px, 2.4vw, 30px);
  background: var(--panel);
}

.page-contact .sla__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-contact .sla__num {
  margin: 0;
  font-size: clamp(26px, 2.8vw, 34px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .sla__cell:nth-child(1) .sla__num { color: var(--orange); }
.page-contact .sla__cell:nth-child(2) .sla__num { color: var(--cyan); }
.page-contact .sla__cell:nth-child(3) .sla__num { color: var(--violet); }
.page-contact .sla__cell:nth-child(4) .sla__num { color: var(--lime); }

.page-contact .sla__note {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.6;
  color: var(--gray);
}

.page-contact .sla__foot {
  margin: 26px 0 0;
  max-width: 74ch;
  font-size: var(--fs-note);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .feedback__foot a,
.page-contact .partner__copy a,
.page-contact .sla__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 242, 224, 0.35);
  transition: border-color 180ms ease, color 180ms ease;
}

.page-contact .feedback__foot a:hover,
.page-contact .partner__copy a:hover,
.page-contact .sla__foot a:hover,
.page-contact .feedback__foot a:focus-visible,
.page-contact .partner__copy a:focus-visible,
.page-contact .sla__foot a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 700px) {
  .page-contact .sla__board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3.4fr);
    gap: 48px;
    align-items: end;
  }

  .page-contact .contact-hero__stat {
    margin-bottom: 6px;
  }

  .page-contact .channels__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-contact .channel--mail { grid-column: span 4; }
  .page-contact .channel--phone {
    grid-column: span 3;
    margin-top: 44px;
  }
  .page-contact .channel--addr {
    grid-column: span 5;
    margin-top: 88px;
  }

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

  .page-contact .feedback__panel {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-contact .partner__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .fix__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-contact .sla__board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel__value a,
  .page-contact .feedback__foot a,
  .page-contact .partner__copy a,
  .page-contact .sla__foot a {
    transition: none;
  }
}