.page-contact {
  --pc-gap: 18px;
  --pc-radius: 14px;
  --pc-danger: #ff6b5e;
  background:
    radial-gradient(90% 55% at 88% 2%, rgba(94, 230, 194, .10), transparent 62%),
    radial-gradient(70% 50% at 4% 42%, rgba(14, 34, 58, .55), transparent 68%),
    var(--ink);
  color: var(--snow);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 44px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.55) contrast(1.05);
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 26, 33, .45) 0%, rgba(6, 26, 33, .96) 84%),
    radial-gradient(72% 92% at 10% 8%, rgba(14, 34, 58, .6), transparent 72%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumbs {
  margin-bottom: 10px;
}

.page-contact .contact-hero .eyebrow {
  color: var(--mint);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 7.6vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--snow);
  margin: 14px 0 16px;
  max-width: 15ch;
}

.page-contact .contact-hero .lede {
  max-width: 60ch;
  margin: 0;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.82;
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding: 46px 0;
}

.page-contact .section-head {
  margin-bottom: 26px;
}

.page-contact .section-head .eyebrow {
  color: var(--mint);
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 5vw, 1.95rem);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--snow);
  margin: 10px 0 10px;
}

.page-contact .section-head .lede {
  max-width: 62ch;
  margin: 0;
  color: var(--mist);
  font-size: .95rem;
  line-height: 1.78;
}

/* ---------- 联系渠道 ---------- */
.page-contact .channels {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .channel-main,
.page-contact .channel-side {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .channel-card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: linear-gradient(180deg, rgba(18, 61, 74, .55), rgba(11, 43, 51, .92));
  overflow: hidden;
}

.page-contact .channel-card--lime {
  border-color: rgba(200, 255, 61, .38);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(200, 255, 61, .14), transparent 56%),
    linear-gradient(180deg, rgba(18, 61, 74, .72), rgba(11, 43, 51, .94));
}

.page-contact .channel-card--clock {
  border-left: 3px solid var(--amber);
}

.page-contact .channel-icon {
  display: inline-flex;
  width: 30px;
  height: 30px;
  color: var(--lime);
  margin-bottom: 12px;
}

.page-contact .channel-icon svg {
  width: 100%;
  height: 100%;
}

.page-contact .channel-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .channel-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4.4vw, 1.32rem);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--lime);
  text-decoration: none;
  overflow-wrap: anywhere;
  margin-bottom: 14px;
}

.page-contact .channel-value--text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--snow);
  margin-bottom: 12px;
}

.page-contact .channel-value:hover,
.page-contact .channel-value:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--snow);
  background: rgba(94, 230, 194, .12);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 16px;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: rgba(200, 255, 61, .18);
  border-color: var(--lime);
  color: var(--lime);
}

.page-contact .copy-btn[data-copied] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-contact .channel-use {
  margin: 14px 0 0;
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.74;
}

.page-contact .address-grid {
  display: grid;
  gap: 16px;
}

.page-contact .address-grid img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line-soft);
  object-fit: cover;
}

.page-contact .clock {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 7.2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--snow);
}

.page-contact .clock span {
  font-size: .6em;
  color: var(--amber);
}

/* ---------- 需求分类 ---------- */
.page-contact .need-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .need-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--pc-radius);
  background: rgba(255, 255, 255, .035);
}

.page-contact .need-index {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .need-card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--snow);
}

.page-contact .need-card p {
  margin: 0;
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.76;
}

.page-contact .need-route {
  margin-top: 14px !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: .02em;
  color: var(--lime) !important;
}

.page-contact .need-card a {
  color: var(--mint);
}

/* ---------- 回复节奏 ---------- */
.page-contact .response-grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .priority-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pc-pri;
  display: grid;
  gap: 12px;
}

.page-contact .priority-list li {
  counter-increment: pc-pri;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  align-items: start;
  padding: 17px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--pc-radius);
  background: linear-gradient(90deg, rgba(18, 61, 74, .62), rgba(11, 43, 51, .34));
}

.page-contact .priority-list li::before {
  content: counter(pc-pri, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--lime);
  padding-top: 3px;
}

.page-contact .priority-list h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  line-height: 1.42;
  color: var(--snow);
}

.page-contact .priority-list p {
  margin: 0;
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.74;
}

.page-contact .response-note {
  padding: 20px;
  border-radius: var(--pc-radius);
  border: 1px solid rgba(255, 138, 61, .34);
  background: linear-gradient(180deg, rgba(255, 138, 61, .11), rgba(11, 43, 51, .88));
}

.page-contact .response-note .channel-label {
  color: var(--orange);
}

.page-contact .response-note p {
  margin: 0;
  color: var(--snow);
  font-size: .92rem;
  line-height: 1.78;
}

.page-contact .response-note__foot {
  margin-top: 14px !important;
  color: var(--mist) !important;
  font-size: .87rem !important;
}

.page-contact .response-note__foot a,
.page-contact .feedback-consent a,
.page-contact .accordion__panel-inner a {
  color: var(--mint);
  text-underline-offset: 3px;
}

/* ---------- 站内反馈 ---------- */
.page-contact .feedback-layout {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .feedback-panel {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--ink-2);
}

.page-contact .field {
  margin-bottom: 16px;
}

.page-contact .field label {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .field .req {
  margin-left: 5px;
  color: var(--orange);
}

.page-contact .field input,
.page-contact .field select,
.page-contact .field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: rgba(6, 26, 33, .74);
  color: var(--snow);
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.6;
  transition: border-color .18s ease, box-shadow .18s ease;
}

.page-contact .field textarea {
  resize: vertical;
  min-height: 118px;
}

.page-contact .field input::placeholder,
.page-contact .field textarea::placeholder {
  color: rgba(143, 179, 174, .58);
}

.page-contact .field input:focus,
.page-contact .field select:focus,
.page-contact .field textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 138, 61, .18);
}

.page-contact .field-error {
  display: none;
  margin: 8px 0 0;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--snow);
  background: rgba(160, 30, 40, .38);
}

.page-contact .field input:not(:placeholder-shown):invalid,
.page-contact .field textarea:not(:placeholder-shown):invalid {
  border-color: var(--pc-danger);
  box-shadow: 0 0 0 3px rgba(255, 107, 94, .14);
}

.page-contact .field input:not(:placeholder-shown):invalid ~ .field-error,
.page-contact .field textarea:not(:placeholder-shown):invalid ~ .field-error {
  display: block;
}

.page-contact .feedback-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
}

.page-contact .feedback-consent {
  flex: 1 1 220px;
  margin: 0;
  color: var(--mist);
  font-size: 12px;
  line-height: 1.65;
}

.page-contact .feedback-aside {
  display: grid;
  gap: 14px;
}

.page-contact .accordion {
  display: grid;
  gap: 10px;
}

.page-contact .accordion__item {
  border: 1px solid var(--line-soft);
  border-radius: var(--pc-radius);
  background: rgba(255, 255, 255, .04);
  overflow: hidden;
}

.page-contact .accordion__trigger {
  width: 100%;
  box-sizing: border-box;
  text-align: left;
  padding: 15px 18px;
  border: 0;
  background: transparent;
  color: var(--snow);
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
}

.page-contact .accordion__trigger:hover,
.page-contact .accordion__trigger:focus-visible {
  color: var(--lime);
}

.page-contact .accordion__panel-inner {
  padding: 0 18px 16px;
}

.page-contact .accordion__panel-inner p {
  margin: 0;
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.76;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .address-grid {
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
  }

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

  .page-contact .feedback-panel {
    padding: 26px 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 56px 0 58px;
  }

  .page-contact .section {
    padding: 62px 0;
  }

  .page-contact .channels {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .response-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-contact .feedback-layout {
    grid-template-columns: 8fr 4fr;
    align-items: start;
  }

  .page-contact .feedback-aside {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-hero .lede {
    font-size: 1.05rem;
  }

  .page-contact .channel-card {
    padding: 26px 24px;
  }
}
<<<END>>>