/* ===== 联系与反馈页 · page-contact ===== */
.page-contact {
  --c-amber-line: rgba(255, 176, 32, 0.42);
  --c-amber-fill: rgba(255, 176, 32, 0.10);
  --c-celadon-line: rgba(63, 208, 175, 0.40);
  --c-celadon-fill: rgba(63, 208, 175, 0.09);
}

/* ---- 首屏 ---- */
.page-contact .contact-hero {
  padding-top: 4px;
}

.page-contact .contact-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--celadon);
}

.page-contact .contact-hero__eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--amber);
}

.page-contact h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 8.2vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .contact-hero__lede {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---- 首屏三点速览 ---- */
.page-contact .quick-bar {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .quick-bar__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, var(--night-800), var(--night-900));
}

.page-contact .quick-bar__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-contact .quick-bar__v {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

/* ---- 主栅格：内容区 + 联系卡 ---- */
.page-contact .contact-layout {
  display: grid;
  gap: 44px;
  margin-top: 46px;
}

.page-contact .contact-main {
  display: grid;
  gap: 52px;
  min-width: 0;
}

.page-contact .contact-side {
  min-width: 0;
}

/* ---- 区块骨架 ---- */
.page-contact .pc-sec {
  padding: 0;
  margin: 0;
  min-width: 0;
}

.page-contact .pc-sec__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.page-contact .pc-sec__title {
  margin: 0;
  font-size: clamp(21px, 4.6vw, 28px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .pc-sec__intro {
  max-width: 68ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-dim);
}

.page-contact .pc-sec__head .pc-sec__intro {
  margin-top: 2px;
}

/* ---- 问题分流卡片 ---- */
.page-contact .route-grid {
  display: grid;
  gap: 16px;
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px;
  min-width: 0;
}

.page-contact .route-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .route-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .route-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .route-card__steps {
  display: grid;
  gap: 7px;
  margin: auto 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line);
  list-style: none;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .route-card__steps li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 9px;
}

.page-contact .route-card__steps li::before {
  content: "";
  margin-top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--celadon);
}

.page-contact .route-figure {
  margin: 26px 0 0;
  padding: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--night-800);
}

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

.page-contact .route-figure .media__caption {
  display: block;
  padding: 12px 16px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray);
  border-top: 1px solid var(--line);
}

/* ---- 处理流程 ---- */
.page-contact .flow {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow__item {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 24px;
}

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

.page-contact .flow__item::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 34px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

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

.page-contact .flow__dot {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--night-900);
  background: var(--celadon);
}

.page-contact .flow__body {
  min-width: 0;
}

.page-contact .flow__title {
  margin: 6px 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .flow__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .flow__desc a {
  color: var(--celadon);
  text-decoration: none;
  border-bottom: 1px solid var(--c-celadon-line);
}

.page-contact .flow__desc a:hover {
  color: var(--celadon-light);
}

/* ---- 技术信息清单 ---- */
.page-contact .check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-list__item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: var(--night-800);
  min-width: 0;
}

.page-contact .check-mark {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  font-size: 13px;
  line-height: 1;
  color: var(--celadon);
  background: var(--c-celadon-fill);
  border: 1px solid var(--c-celadon-line);
}

.page-contact .check-list__item strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .check-list__item span {
  display: block;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---- 机构合作 ---- */
.page-contact .coop-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-list__row {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: var(--night-800);
  min-width: 0;
}

.page-contact .coop-list__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--celadon);
}

.page-contact .coop-list__v {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .coop-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin: 22px 0 0;
}

.page-contact .coop-cta__hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---- 提交前自查 ---- */
.page-contact .selfcheck {
  padding: 24px 20px;
}

.page-contact .selfcheck__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-contact .selfcheck__head .pc-sec__title {
  font-size: clamp(19px, 4.2vw, 23px);
}

.page-contact .selfcheck__links {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .selfcheck__links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--night-900);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color 180ms var(--ease), background 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .selfcheck__links a::before {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-contact .selfcheck__links a:hover {
  border-color: var(--c-amber-line);
  background: var(--night-700);
  transform: translateX(2px);
}

/* ---- 联系信息卡 ---- */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: 24px 20px 20px;
  border: 1px solid var(--c-amber-line);
  background:
    radial-gradient(120% 88% at 100% 0%, rgba(255, 176, 32, 0.14), transparent 62%),
    var(--night-800);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--celadon));
}

.page-contact .contact-card__title {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.page-contact .contact-card__sub {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-contact .c-row {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .c-row__label {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.09em;
  color: var(--gray);
}

.page-contact .c-row__value {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .c-row__note {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-contact .copy-btn {
  padding: 6px 15px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-contact .contact-card__art {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-top: 18px;
  border-radius: var(--r-sm);
  object-fit: cover;
  opacity: 0.5;
}

/* ---- 平板 ---- */
@media (min-width: 640px) {
  .page-contact .quick-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 16px;
  }

  .page-contact .coop-list__row {
    grid-template-columns: 118px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-contact .selfcheck {
    padding: 28px 26px;
  }
}

@media (min-width: 720px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(auto-fit, minmax(196px, 1fr));
  }
}

/* ---- 桌面：右侧粘性联系卡 ---- */
@media (min-width: 1024px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 336px;
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-side {
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
  }

  .page-contact .contact-main {
    gap: 60px;
  }
}

/* ---- 减少动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .selfcheck__links a {
    transition: opacity 160ms linear;
  }

  .page-contact .selfcheck__links a:hover {
    transform: none;
  }
}