.page-contact {
  padding-bottom: 72px;
  color: var(--mist);
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 86% 2%, rgba(45, 245, 208, 0.10), transparent 40%),
    radial-gradient(circle at 4% 40%, rgba(255, 154, 61, 0.07), transparent 46%);
  background-repeat: no-repeat;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-contact a:hover {
  color: var(--orange);
}

/* 面包屑 */
.page-contact .breadcrumbs {
  padding-top: 14px;
  font-size: 13px;
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.page-contact .breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  color: var(--muted);
}

.page-contact .breadcrumbs a {
  color: var(--haze);
}

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--mist);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding: 26px 0 6px;
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -100px;
  right: -16%;
  width: 80%;
  height: 300px;
  background: linear-gradient(120deg, rgba(45, 245, 208, 0.16), rgba(255, 154, 61, 0.08) 55%, rgba(45, 245, 208, 0) 82%);
  transform: skewY(-7deg);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.page-contact .contact-hero h1 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 58px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .contact-hero__text {
  max-width: 46ch;
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--haze);
}

.page-contact .contact-hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 0;
  font-size: 14px;
}

.page-contact .contact-hero__links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  font-weight: 600;
  color: var(--cyan);
  border-bottom: 1px solid rgba(45, 245, 208, 0.35);
}

.page-contact .contact-hero__links a:hover {
  color: var(--orange);
  border-bottom-color: rgba(255, 154, 61, 0.5);
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

/* 主体框架：左侧轴 + 右侧堆叠 */
.page-contact .contact-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding-top: 34px;
}

.page-contact .contact-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-contact .contact-side__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .contact-side__title::before {
  content: "// ";
  color: var(--cyan);
}

/* 合作方向切换 */
.page-contact .contact-tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .contact-tabs__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 13px 14px;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  color: var(--haze);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .contact-tabs__btn::after {
  content: "›";
  font-family: var(--font-data);
  font-size: 18px;
  line-height: 1;
  color: var(--muted);
}

.page-contact .contact-tabs__btn:hover {
  background: var(--hover);
  color: var(--mist);
  border-left-color: var(--cyan);
}

.page-contact .contact-tabs__btn[aria-selected="true"] {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
  border-left-color: var(--cyan);
  font-weight: 700;
}

.page-contact .contact-tabs__btn[aria-selected="true"]::after {
  color: var(--bg);
}

.page-contact .contact-tabs__btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .contact-panels {
  padding: 16px;
  background: linear-gradient(180deg, rgba(11, 42, 32, 0.92), rgba(19, 47, 54, 0.72));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .contact-tabpanel {
  margin: 0;
  font-size: 14px;
  color: var(--haze);
}

.page-contact .contact-tabpanel p {
  margin: 0 0 10px;
}

.page-contact .contact-tabpanel p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-tabpanel__hint {
  padding-left: 12px;
  font-size: 13px;
  color: var(--muted);
  border-left: 2px solid var(--orange);
}

.page-contact .contact-tabpanel:focus-visible {
  outline: 1px dashed var(--cyan);
  outline-offset: 4px;
}

/* 状态面板 */
.page-contact .contact-status {
  padding: 14px;
  background: var(--frame);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.page-contact .contact-status__label {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-status__list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-status__row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.page-contact .contact-status__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(45, 245, 208, 0.16);
}

.page-contact .contact-status__dot--warm {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 154, 61, 0.16);
}

.page-contact .contact-status__key {
  color: var(--haze);
}

.page-contact .contact-status__val {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--mist);
}

/* 右侧堆叠卡片 */
.page-contact .contact-stack {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .contact-card {
  padding: 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 0;
}

.page-contact .contact-card .panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-contact .contact-card .panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .contact-card__body {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--haze);
}

.page-contact .contact-card__foot {
  margin: 0;
  padding-top: 10px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px dashed var(--line);
}

/* 联系通道 */
.page-contact .contact-channels {
  display: grid;
  gap: 12px;
}

.page-contact .contact-channel {
  padding: 13px 14px;
  background: rgba(6, 26, 20, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.page-contact .contact-channel--primary {
  background: rgba(23, 72, 59, 0.42);
  border-color: rgba(45, 245, 208, 0.45);
}

.page-contact .contact-channel__key {
  margin: 0 0 4px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-channel__val {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 16px;
  font-weight: 600;
  color: var(--mist);
  word-break: break-word;
}

.page-contact .contact-channel--primary .contact-channel__val {
  color: var(--cyan);
}

.page-contact .contact-channel__note {
  margin: 0;
  font-size: 13px;
  color: var(--haze);
}

/* 服务时间 */
.page-contact .contact-hours {
  display: grid;
  gap: 12px;
}

.page-contact .contact-hours__item {
  padding-left: 12px;
  border-left: 2px solid var(--line-strong);
}

.page-contact .contact-hours__item--warm {
  border-left-color: var(--orange);
}

.page-contact .contact-hours__item p {
  margin: 0;
  font-size: 13.5px;
  color: var(--haze);
}

.page-contact .contact-hours__time {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

/* 反馈清单 */
.page-contact .contact-checklist {
  display: grid;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--haze);
}

.page-contact .contact-checklist li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}

/* 合作流程 */
.page-contact .contact-flow__media {
  margin: 0 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

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

.page-contact .contact-flow__step {
  position: relative;
  padding: 12px 14px 12px 46px;
  background: rgba(6, 26, 20, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.page-contact .contact-flow__num {
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
}

.page-contact .contact-flow__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .contact-flow__step p {
  margin: 0;
  font-size: 13.5px;
  color: var(--haze);
}

/* 文档入口 */
.page-contact .contact-doclinks {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-doclink {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--mist);
  background: rgba(19, 47, 54, 0.45);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-contact .contact-doclink:hover {
  color: var(--mist);
  background: var(--hover);
  border-color: var(--cyan);
}

.page-contact .contact-doclink__arrow {
  font-family: var(--font-data);
  color: var(--cyan);
}

.page-contact .contact-doclink:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

@media (min-width: 720px) {
  .page-contact {
    font-size: 16px;
  }

  .page-contact .contact-hero {
    padding-top: 38px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 32px;
  }

  .page-contact .contact-hero__text {
    font-size: 16px;
  }

  .page-contact .contact-card {
    padding: 24px;
  }

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

  .page-contact .contact-channel--primary {
    grid-column: 1 / -1;
  }

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

@media (min-width: 1000px) {
  .page-contact .contact-board {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    padding-top: 44px;
  }

  .page-contact .contact-side {
    position: sticky;
    top: 24px;
  }

  .page-contact .contact-hero h1 {
    font-size: clamp(40px, 4.4vw, 62px);
  }

  .page-contact .contact-card .panel__title {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-tabs__btn,
  .page-contact .contact-doclink,
  .page-contact a {
    transition: none;
  }
}