/* ===== 反馈通道页 · 页面专属样式（全部限定在 .page-contact 内） ===== */
.page-contact {
  --pc-hair: rgba(199, 210, 224, 0.22);
  --pc-hair-strong: rgba(199, 210, 224, 0.38);
  display: block;
  background: var(--dj-night);
  color: var(--dj-white);
  font-family: var(--dj-font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 10%, rgba(79, 209, 197, 0.16), transparent 56%),
    radial-gradient(circle at 8% 88%, rgba(46, 111, 217, 0.14), transparent 50%),
    linear-gradient(180deg, var(--dj-night-3), var(--dj-night));
}

.page-contact .pc-hero__wm {
  right: -3vw;
  top: -2%;
  font-family: var(--dj-font-serif);
  font-size: clamp(5rem, 22vw, 15rem);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--dj-ice);
  opacity: 0.07;
  pointer-events: none;
  user-select: none;
}

.page-contact .pc-hero__grid {
  align-items: end;
  row-gap: clamp(28px, 4vw, 48px);
}

.page-contact .pc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 7px 13px;
  border: 1px solid var(--pc-hair-strong);
  background: rgba(20, 41, 74, 0.68);
  color: var(--dj-ice);
  font-family: var(--dj-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
}

.page-contact .pc-eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dj-blue);
  animation: pc-breathe 9s ease-in-out infinite;
}

@keyframes pc-breathe {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(-3px); opacity: 0.55; }
}

.page-contact .pc-hero__title {
  margin: 18px 0 0;
  font-family: var(--dj-font-serif);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 4.1rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-contact .pc-hero__aside {
  border-left: 0;
}

.page-contact .pc-hero__lede {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--dj-gray);
}

.page-contact .pc-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-facts__item {
  padding-left: 14px;
  border-left: 2px solid var(--dj-ice-deep);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--dj-gray);
}

.page-contact .pc-facts__item b {
  display: block;
  color: var(--dj-white);
  font-family: var(--dj-font-mono);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- 联系卡片 + 反馈类型 ---------- */
.page-contact .pc-contact__grid {
  row-gap: clamp(32px, 5vw, 56px);
}

.page-contact .pc-contact__rail {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .pc-contact-card {
  position: relative;
  overflow: hidden;
  margin: 0;
}

.page-contact .pc-contact-card--map {
  isolation: isolate;
}

.page-contact .pc-contact-card__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: grayscale(0.4) contrast(1.1);
}

.page-contact .pc-contact-card__inner {
  position: relative;
  z-index: 1;
  padding: 20px 20px 22px;
}

.page-contact .pc-contact-card__kind {
  margin: 0 0 10px;
  font-family: var(--dj-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--dj-gray);
}

.page-contact .pc-contact-card__value {
  margin: 0;
  font-family: var(--dj-font-mono);
  font-size: clamp(1rem, 3.6vw, 1.16rem);
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--dj-ice);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-contact-card__value--addr {
  font-family: var(--dj-font-sans);
  font-weight: 500;
  color: var(--dj-white);
}

.page-contact .pc-contact-card__note {
  margin: 12px 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--dj-gray);
}

/* 地址卡片内的展开组 */
.page-contact .pc-locale {
  margin-top: 14px;
  border-top: 1px dashed var(--pc-hair);
}

.page-contact .pc-locale__summary {
  padding: 12px 0 0;
  font-family: var(--dj-font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--dj-blue);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .pc-locale__summary::after {
  content: " ＋";
  color: var(--dj-ice-deep);
}

.page-contact .pc-locale[open] .pc-locale__summary::after {
  content: " －";
}

.page-contact .pc-locale__body p {
  margin: 10px 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--dj-gray);
}

/* 反馈类型组 */
.page-contact .pc-types {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .pc-types__intro {
  margin: 0 0 4px;
  max-width: 62ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--dj-gray);
}

.page-contact .pc-type {
  border: 1px solid var(--pc-hair);
  background: rgba(11, 27, 51, 0.6);
  transition: border-color 0.24s var(--dj-ease), background 0.24s var(--dj-ease);
}

.page-contact .pc-type[open] {
  border-color: var(--dj-ice-deep);
  background: rgba(20, 41, 74, 0.82);
}

.page-contact .pc-type__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .pc-type__num {
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--dj-red);
}

.page-contact .pc-type__label {
  flex: 1 1 auto;
  font-family: var(--dj-font-serif);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
  color: var(--dj-white);
}

.page-contact .pc-type__body {
  padding: 0 18px 20px;
}

.page-contact .pc-type__body > p:first-child {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--dj-gray);
}

.page-contact .pc-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .pc-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--dj-white);
}

.page-contact .pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--dj-ice);
}

.page-contact .pc-type__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--pc-hair);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--dj-gray);
}

/* ---------- 纠错提交示例 ---------- */
.page-contact .pc-example-block {
  background: linear-gradient(180deg, var(--dj-night), var(--dj-night-3));
}

.page-contact .pc-example__grid {
  row-gap: clamp(28px, 4vw, 48px);
}

.page-contact .pc-example__media {
  margin: 0;
}

.page-contact .pc-example {
  margin: 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-example__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .pc-example__k {
  font-family: var(--dj-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--dj-ice);
}

.page-contact .pc-example__v {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--dj-white);
}

.page-contact .pc-example__tip {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--dj-yellow);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--dj-gray);
}

/* ---------- 四阶段流程 ---------- */
.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 18px 16px 18px 22px;
  border: 1px solid var(--pc-hair);
  background: rgba(11, 27, 51, 0.6);
  transition: border-color 0.24s var(--dj-ease);
}

.page-contact .pc-flow__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--dj-ice);
}

.page-contact .pc-flow__step:nth-child(2)::before { background: var(--dj-blue); }
.page-contact .pc-flow__step:nth-child(3)::before { background: var(--dj-yellow); }
.page-contact .pc-flow__step:nth-child(4)::before { background: var(--dj-green); }

.page-contact .pc-flow__num {
  display: block;
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(199, 210, 224, 0.42);
}

.page-contact .pc-flow__title {
  margin: 10px 0 0;
  font-family: var(--dj-font-serif);
  font-weight: 800;
  font-size: 1.12rem;
  color: var(--dj-white);
}

.page-contact .pc-flow__text {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--dj-gray);
}

.page-contact .pc-flow__more {
  margin: 8px 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--dj-ice-deep);
}

/* ---------- 合作对接 ---------- */
.page-contact .pc-partner {
  background: var(--dj-night-2);
}

.page-contact .pc-partner__grid {
  row-gap: 18px;
}

.page-contact .pc-partner-item {
  height: 100%;
  margin: 0;
  padding: 22px 20px;
}

.page-contact .pc-partner-item__title {
  margin: 0;
  font-family: var(--dj-font-serif);
  font-weight: 800;
  font-size: 1.14rem;
  color: var(--dj-white);
}

.page-contact .pc-partner-item__text {
  margin: 12px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--dj-gray);
}

.page-contact .pc-partner-item__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--pc-hair);
  font-family: var(--dj-font-mono);
  font-size: 0.76rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--dj-ice);
}

.page-contact .pc-partner__note {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 16px 18px;
  border: 1px solid var(--pc-hair);
  border-left: 4px solid var(--dj-red);
  background: rgba(11, 27, 51, 0.55);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--dj-gray);
}

/* ---------- 收尾 ---------- */
.page-contact .pc-final {
  background: linear-gradient(180deg, var(--dj-night-2), var(--dj-night));
}

.page-contact .pc-final__title {
  margin: clamp(24px, 4vw, 40px) 0 0;
  font-family: var(--dj-font-serif);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  letter-spacing: -0.01em;
  color: var(--dj-white);
}

.page-contact .pc-final__text {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--dj-gray);
}

.page-contact .pc-final__links {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-hero__aside {
    padding-left: clamp(20px, 3vw, 40px);
    border-left: 1px solid var(--pc-hair);
  }

  .page-contact .pc-contact__rail {
    position: sticky;
    top: calc(var(--dj-header-h) + 24px);
  }

  .page-contact .pc-example__row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pc-flow__step {
    padding: 30px 18px 22px;
    border-color: transparent;
    border-top: 1px solid var(--pc-hair);
    background: transparent;
  }

  .page-contact .pc-flow__step::before {
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: auto;
    height: 4px;
  }

  .page-contact .pc-flow__step:hover,
  .page-contact .pc-flow__step:focus-within {
    border-top-color: var(--dj-ice-deep);
  }

  .page-contact .pc-flow__more {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s var(--dj-ease), opacity 0.3s var(--dj-ease), margin-top 0.3s var(--dj-ease);
  }

  .page-contact .pc-flow__step:hover .pc-flow__more,
  .page-contact .pc-flow__step:focus-within .pc-flow__more {
    max-height: 160px;
    margin-top: 10px;
    opacity: 1;
  }
}

@media (min-width: 1200px) {
  .page-contact .pc-hero__title {
    max-width: 15ch;
  }

  .page-contact .pc-types {
    padding-left: clamp(12px, 2vw, 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-eyebrow__dot {
    animation: none;
  }

  .page-contact .pc-type,
  .page-contact .pc-flow__step,
  .page-contact .pc-flow__more {
    transition: none;
  }
}
<<<END>>>