.page-contact {
  --pc-line: rgba(242, 239, 230, 0.14);
  --pc-lime-line: rgba(198, 242, 74, 0.34);
  --pc-teal-line: rgba(79, 214, 192, 0.26);
}

/* 首屏 */
.page-contact .p-lead {
  padding: clamp(24px, 4vw, 52px) 0 clamp(30px, 4.5vw, 62px);
}

.page-contact .p-lead__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-contact .p-lead__copy .display-title {
  margin: 16px 0 0;
  font-size: clamp(34px, 6.2vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.page-contact .p-lead__copy .lede {
  margin: 20px 0 0;
  max-width: 34em;
}

.page-contact .lead-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: 26px;
}

.page-contact .media-frame {
  margin: 0;
  border-radius: var(--r-img);
  overflow: hidden;
}

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

/* 三扇门 */
.page-contact .p-gates {
  padding: clamp(36px, 5vw, 74px) 0 clamp(40px, 6vw, 86px);
}

.page-contact .p-head {
  max-width: 52ch;
}

.page-contact .p-head__note {
  margin-top: 14px;
  color: var(--mist);
}

.page-contact .gate-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3vw, 42px);
}

.page-contact .gate {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--r-card);
  background: var(--coal);
  border: 1px solid var(--pc-line);
  text-decoration: none;
  color: inherit;
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .gate--fault {
  padding: clamp(24px, 3.4vw, 36px);
  background: linear-gradient(158deg, #14312a 0%, #0a1f19 64%);
  border-color: var(--pc-lime-line);
}

.page-contact .gate:hover,
.page-contact .gate:focus-visible {
  transform: translateY(-3px);
  border-color: var(--lime);
}

.page-contact .gate__num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .gate--account .gate__num {
  color: var(--teal);
}

.page-contact .gate--media .gate__num {
  color: var(--mist);
}

.page-contact .gate__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .gate--fault .gate__title {
  font-size: clamp(24px, 2.8vw, 32px);
}

.page-contact .gate__case {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--soft);
}

.page-contact .gate__next {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  color: var(--lime);
}

.page-contact .gate--account .gate__next {
  color: var(--teal);
}

.page-contact .gate--media .gate__next {
  color: var(--mist);
}

/* 故障反馈 */
.page-contact .p-fault {
  padding: clamp(44px, 6vw, 88px) 0;
  background: linear-gradient(180deg, rgba(22, 48, 42, 0.6), rgba(10, 31, 25, 0));
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
  scroll-margin-top: 96px;
}

.page-contact .p-fault__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .p-fault__main .body-text {
  margin-top: 16px;
  color: var(--soft);
}

.page-contact .mat-list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.page-contact .mat {
  background: rgba(18, 21, 23, 0.74);
  border: 1px solid var(--pc-line);
  border-radius: 18px;
  padding: 0 18px;
}

.page-contact .mat__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .mat__head::-webkit-details-marker {
  display: none;
}

.page-contact .mat__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--mist);
}

.page-contact .mat[open] .mat__head::after {
  content: "–";
  color: var(--lime);
}

.page-contact .mat__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-contact .mat__name {
  font-size: 16.5px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .mat__body {
  padding: 0 0 16px 30px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--soft);
}

.page-contact .p-fault__side {
  background: var(--coal);
  border: 1px solid var(--pc-teal-line);
  border-radius: var(--r-card);
  padding: clamp(22px, 3vw, 32px);
}

.page-contact .side-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .side-note {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .mail-template {
  margin: 18px 0 0;
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.95;
  color: var(--paper);
  background: var(--pine);
  border: 1px dashed var(--pc-teal-line);
  border-radius: 16px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .side-foot {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .p-fault__side .link-arrow {
  display: inline-block;
  margin-top: 16px;
}

/* 响应节奏 */
.page-contact .p-sla {
  padding: clamp(40px, 5.5vw, 82px) 0;
}

.page-contact .sla-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 3vw, 36px);
}

.page-contact .sla {
  padding-top: 18px;
  border-top: 2px solid var(--pc-line);
}

.page-contact .sla--urgent {
  border-top-color: var(--orange);
}

.page-contact .sla__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .sla--urgent .sla__num {
  color: var(--orange);
}

.page-contact .sla__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .sla .body-text {
  margin: 8px 0 0;
  font-size: 15.5px;
  color: var(--soft);
}

.page-contact .sla__foot {
  margin: clamp(24px, 3vw, 36px) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .sla__foot .link-arrow {
  margin-left: 6px;
}

/* 内容合作 */
.page-contact .p-partner {
  padding: clamp(44px, 6vw, 88px) 0;
  background: var(--coal);
  scroll-margin-top: 96px;
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .partner-body .body-text {
  margin: 14px 0 0;
  color: var(--soft);
}

.page-contact .partner-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .partner-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--soft);
}

.page-contact .partner-tag {
  flex: 0 0 auto;
  padding: 3px 10px;
  font-size: 12px;
  border-radius: var(--r-pill);
  background: rgba(198, 242, 74, 0.1);
  border: 1px solid var(--pc-lime-line);
  color: var(--lime);
}

.page-contact .partner-sub {
  margin: 26px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* 自助路径 */
.page-contact .p-self {
  padding: clamp(40px, 5.5vw, 82px) 0;
}

.page-contact .self-list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .self-list > li {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .self-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  padding: 18px 6px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s var(--ease);
}

.page-contact .self-link:hover,
.page-contact .self-link:focus-visible {
  background: rgba(22, 48, 42, 0.65);
}

.page-contact .self__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-contact .self__text {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--soft);
}

.page-contact .self__text strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .self__go {
  grid-column: 2;
  font-size: 13px;
  color: var(--teal);
}

/* 联系信息带 */
.page-contact .p-band {
  padding: clamp(44px, 6vw, 88px) 0 clamp(40px, 5vw, 72px);
  background: linear-gradient(180deg, rgba(22, 48, 42, 0.75), rgba(18, 21, 23, 0.92));
  border-top: 1px solid var(--pc-line);
}

.page-contact .p-band__grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

.page-contact .band-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .band-mail {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.3vw, 32px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .band-note {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 40em;
}

.page-contact .band-info {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-contact .band-info > div {
  display: grid;
  gap: 3px;
}

.page-contact .band-key {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .band-val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .band-legal {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

/* 媒体查询：平板与桌面 */
@media (min-width: 760px) {
  .page-contact .gate-grid {
    grid-template-columns: 1.28fr 1fr 1fr;
    align-items: start;
  }

  .page-contact .gate--account {
    margin-top: 40px;
  }

  .page-contact .gate--media {
    margin-top: 80px;
  }

  .page-contact .self-link {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
    padding: 20px 8px;
  }

  .page-contact .self__go {
    grid-column: auto;
    white-space: nowrap;
  }
}

@media (min-width: 820px) {
  .page-contact .sla-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .p-lead__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-contact .p-band__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
  }
}

@media (min-width: 920px) {
  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  }
}

@media (min-width: 940px) {
  .page-contact .p-fault__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}