.page-contact {
  overflow-x: clip;
  background: var(--c-ink);
  color: var(--c-body);
  font-family: var(--font-body);
}

/* ===== 页面头部 ===== */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(24px, 5vw, 44px) 0 clamp(46px, 8vw, 88px);
  background:
    radial-gradient(110% 80% at 88% 0%, rgba(242, 180, 65, 0.16), transparent 62%),
    linear-gradient(165deg, var(--c-wine) 0%, #2A0F1B 55%, var(--c-ink) 100%);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  margin-top: clamp(20px, 4vw, 38px);
}

.page-contact .contact-hero__copy {
  max-width: 40rem;
}

.page-contact .contact-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--c-paper);
}

.page-contact .contact-hero__lead {
  margin: 0 0 26px;
  max-width: 34rem;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--c-body);
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .contact-hero__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .contact-hero__k {
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.page-contact .contact-hero__v {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-align: right;
}

.page-contact .contact-hero__facts li:nth-child(1) .contact-hero__v { color: var(--c-spring); }
.page-contact .contact-hero__facts li:nth-child(2) .contact-hero__v { color: var(--c-summer); }
.page-contact .contact-hero__facts li:nth-child(3) .contact-hero__v { color: var(--c-autumn); }

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

.page-contact .contact-hero__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-ink-lift);
  box-shadow: 10px 10px 0 -1px rgba(38, 49, 63, 0.5);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ===== 反馈类型 ===== */
.page-contact .contact-types {
  padding: clamp(46px, 8vw, 90px) 0;
  background: var(--c-ink);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-types__head {
  max-width: 42rem;
}

.page-contact .contact-types__head .section-lead {
  margin-top: 12px;
  color: var(--c-muted);
  line-height: 1.78;
}

.page-contact .tabs {
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .tab {
  appearance: none;
  padding: 11px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: color 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .tab:hover {
  color: var(--c-paper);
  border-color: var(--c-muted);
}

.page-contact .tab:focus-visible {
  outline: 2px solid var(--c-paper);
  outline-offset: 2px;
}

.page-contact .tab:nth-child(1)[aria-selected="true"] {
  background: var(--c-spring);
  border-color: var(--c-spring);
  color: #0B1402;
}

.page-contact .tab:nth-child(2)[aria-selected="true"] {
  background: var(--c-summer);
  border-color: var(--c-summer);
  color: #1A0A02;
}

.page-contact .tab:nth-child(3)[aria-selected="true"] {
  background: var(--c-autumn);
  border-color: var(--c-autumn);
  color: #1A1204;
}

.page-contact .tab:nth-child(4)[aria-selected="true"] {
  background: var(--c-winter);
  border-color: var(--c-winter);
  color: #04131C;
}

.page-contact .tabpanel {
  padding-top: clamp(20px, 3.6vw, 32px);
}

.page-contact .tabpanel:focus-visible {
  outline: 2px solid var(--c-line);
  outline-offset: 4px;
}

.page-contact .contact-need {
  position: relative;
  padding: clamp(20px, 3.6vw, 36px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-ink-lift);
  box-shadow: 8px 8px 0 -1px rgba(38, 49, 63, 0.55);
}

.page-contact .contact-need h3 {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.1875rem, 3.4vw, 1.4375rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-paper);
}

.page-contact .contact-need__intro {
  margin: 0;
  max-width: 38rem;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--c-body);
}

.page-contact .contact-need__list {
  list-style: none;
  margin: 18px 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-need__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--c-body);
}

.page-contact .contact-need__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--c-muted);
}

.page-contact #panel-fix .contact-need__list li::before { background: var(--c-spring); }
.page-contact #panel-sub .contact-need__list li::before { background: var(--c-summer); }
.page-contact #panel-report .contact-need__list li::before { background: var(--c-autumn); }
.page-contact #panel-partner .contact-need__list li::before { background: var(--c-winter); }

.page-contact .contact-need__hint {
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--c-line);
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .contact-need__hint a {
  color: var(--c-winter);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 联系方式 ===== */
.page-contact .contact-channels {
  padding: clamp(46px, 8vw, 88px) 0;
  background: linear-gradient(180deg, var(--c-wine) 0%, #2A0F1B 100%);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-channels__head {
  max-width: 42rem;
}

.page-contact .contact-channels__head .section-lead {
  margin-top: 12px;
  color: var(--c-body);
  line-height: 1.78;
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .contact-channel {
  padding: 22px 20px 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: rgba(10, 16, 24, 0.55);
}

.page-contact .contact-channel--mail { border-top: 2px solid var(--c-spring); }
.page-contact .contact-channel--phone { border-top: 2px solid var(--c-summer); }
.page-contact .contact-channel--addr { border-top: 2px solid var(--c-winter); }

.page-contact .contact-channel__label {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-muted);
}

.page-contact .contact-channel__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(0.9375rem, 2.8vw, 1.0625rem);
  line-height: 1.6;
  color: var(--c-paper);
  word-break: break-word;
}

.page-contact .contact-channel__note {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ===== 响应时效 ===== */
.page-contact .contact-timing {
  padding: clamp(46px, 8vw, 88px) 0;
  background: var(--c-teal);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-timing__head {
  max-width: 42rem;
}

.page-contact .contact-timing__head .section-lead {
  margin-top: 12px;
  color: var(--c-body);
  line-height: 1.78;
}

.page-contact .contact-timing__grid {
  display: grid;
  gap: clamp(24px, 4vw, 36px);
  margin-top: clamp(26px, 4.4vw, 44px);
}

.page-contact .contact-sla {
  padding-left: 22px;
  border-left: 2px solid var(--c-line);
}

.page-contact .contact-sla--spring { border-left-color: var(--c-spring); }
.page-contact .contact-sla--summer { border-left-color: var(--c-summer); }
.page-contact .contact-sla--winter { border-left-color: var(--c-winter); }

.page-contact .contact-sla__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(2.25rem, 6.4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-sla--spring .contact-sla__num { color: var(--c-spring); }
.page-contact .contact-sla--summer .contact-sla__num { color: var(--c-summer); }
.page-contact .contact-sla--winter .contact-sla__num { color: var(--c-winter); }

.page-contact .contact-sla__title {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-paper);
}

.page-contact .contact-sla__desc {
  margin: 0;
  max-width: 26rem;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--c-muted);
}

/* ===== 合作与内容协作 ===== */
.page-contact .contact-partner {
  padding: clamp(48px, 8vw, 92px) 0;
  background: linear-gradient(150deg, var(--c-indigo) 0%, #171035 58%, var(--c-ink) 100%);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-partner__grid {
  display: grid;
  gap: clamp(26px, 4.6vw, 52px);
}

.page-contact .contact-partner__lead {
  margin: 14px 0 0;
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .contact-partner__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-partner__list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-body);
}

.page-contact .contact-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 12px;
  height: 2px;
  background: var(--c-winter);
}

.page-contact .contact-partner__note {
  margin: 22px 0 0;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .contact-partner__note a {
  color: var(--c-autumn);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-partner__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-ink-lift);
}

.page-contact .contact-partner__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ===== 站点信息 ===== */
.page-contact .contact-legal {
  padding: clamp(46px, 7vw, 84px) 0 clamp(56px, 9vw, 104px);
  background: var(--c-ink);
}

.page-contact .contact-legal__list {
  margin: clamp(22px, 3.6vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-legal__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .contact-legal__row dt {
  flex: 0 0 108px;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.page-contact .contact-legal__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--c-paper);
  word-break: break-word;
}

.page-contact .contact-legal__row--icp dd {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-ink-lift);
  box-shadow: 5px 5px 0 -1px rgba(38, 49, 63, 0.7);
  color: var(--c-autumn);
  letter-spacing: 0.02em;
}

.page-contact .contact-legal__note {
  margin: clamp(24px, 4vw, 38px) 0 0;
  max-width: 42rem;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--c-muted);
}

.page-contact .contact-legal__note a {
  color: var(--c-winter);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 中等屏幕 ===== */
@media (min-width: 760px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-timing__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ===== 宽屏 ===== */
@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
    gap: clamp(36px, 5.4vw, 76px);
  }

  .page-contact .contact-hero__media {
    margin-top: clamp(20px, 4.4vw, 60px);
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: center;
  }

  .page-contact .contact-partner__media {
    margin-top: -28px;
  }
}

/* ===== 动效降级 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-contact .tab {
    transition: none;
  }
}