.page-contact {
  --contact-pad: clamp(20px, 3vw, 40px);
  --contact-gap: clamp(28px, 5vw, 56px);
  background: var(--c-void);
  color: var(--c-text);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 通用小节标题 ---------- */
.page-contact .section-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.32;
  color: var(--c-text);
}

/* ---------- 首屏封面 ---------- */
.page-contact .contact-hero {
  position: relative;
  margin-top: 20px;
  padding: var(--contact-pad);
  border: var(--edge) solid var(--c-line-strong);
  background:
    linear-gradient(155deg, rgba(27, 42, 107, 0.62) 0%, rgba(11, 16, 36, 0.96) 58%),
    var(--c-panel);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(41, 231, 214, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41, 231, 214, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__eyebrow {
  display: inline-block;
  margin: 0 0 20px;
  padding: 6px 12px;
  border: var(--edge) solid rgba(41, 231, 214, 0.38);
  background: rgba(41, 231, 214, 0.07);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-pulse);
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-contact .contact-hero__lede {
  max-width: 64ch;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-dim);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 渠道画板 ---------- */
.page-contact .channels {
  margin-top: var(--contact-gap);
  border: var(--edge) solid var(--c-line-strong);
  background: var(--c-panel);
}

.page-contact .channels__head {
  padding: clamp(20px, 3vw, 32px);
  border-bottom: var(--edge) solid var(--c-line);
  background: linear-gradient(90deg, rgba(27, 42, 107, 0.45), rgba(11, 16, 36, 0.2));
}

.page-contact .channels__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-pulse);
}

.page-contact .channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel {
  padding: clamp(20px, 3vw, 28px) clamp(20px, 3vw, 32px);
  border-bottom: var(--edge) solid var(--c-line);
}

.page-contact .channel:last-child {
  border-bottom: 0;
}

.page-contact .channel__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-mute);
}

.page-contact .channel__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 24px);
  line-height: 1.45;
  color: var(--c-pulse);
  overflow-wrap: anywhere;
}

.page-contact .channel__value--text {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(17px, 2vw, 21px);
  color: var(--c-text);
}

.page-contact .channel__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-dim);
}

.page-contact .channel--note {
  background: rgba(22, 29, 56, 0.55);
}

.page-contact .channel--note .note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-dim);
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: var(--edge) solid rgba(41, 231, 214, 0.4);
  background: transparent;
  color: var(--c-pulse);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background var(--dur-fast) ease, border-color var(--dur-fast) ease, color var(--dur-fast) ease;
}

.page-contact .copy-btn:hover {
  background: rgba(41, 231, 214, 0.1);
  border-color: var(--c-pulse);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--c-pulse);
  outline-offset: 2px;
}

.page-contact .copy-btn.is-copied {
  border-color: var(--c-gold);
  color: var(--c-gold);
  background: rgba(255, 201, 77, 0.1);
}

.page-contact .connect-figure {
  display: flex;
  flex-direction: column;
  margin: 0;
  border-top: var(--edge) solid var(--c-line);
  background: linear-gradient(200deg, rgba(108, 59, 255, 0.2), rgba(5, 7, 15, 0.7));
}

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

.page-contact .connect-figure figcaption {
  margin-top: auto;
  padding: 14px 20px;
  border-top: var(--edge) solid var(--c-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-dim);
}

/* ---------- 事项分类 ---------- */
.page-contact .routing {
  margin-top: var(--contact-gap);
}

.page-contact .routing__lede {
  max-width: 62ch;
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-dim);
}

.page-contact .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: var(--edge) solid var(--c-line);
  padding-bottom: 12px;
}

.page-contact .tabs__tab {
  appearance: none;
  padding: 10px 16px;
  border: var(--edge) solid var(--c-line);
  background: var(--c-panel);
  color: var(--c-dim);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.06em;
  line-height: 1.2;
  cursor: pointer;
  transition: color var(--dur-fast) ease, border-color var(--dur-fast) ease, background var(--dur-fast) ease;
}

.page-contact .tabs__tab:hover {
  color: var(--c-text);
  border-color: var(--c-line-strong);
}

.page-contact .tabs__tab:focus-visible {
  outline: 2px solid var(--c-pulse);
  outline-offset: 2px;
}

.page-contact .tabs__tab[aria-selected="true"] {
  color: var(--c-pulse);
  border-color: var(--c-pulse);
  background: rgba(41, 231, 214, 0.09);
  font-weight: 600;
}

.page-contact .tabs__panel {
  padding: clamp(22px, 3vw, 36px);
  border: var(--edge) solid var(--c-line-strong);
  border-top: 0;
  background: var(--c-panel);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-dim);
}

.page-contact .tabs__panel[hidden] {
  display: none;
}

.page-contact .tabs__panel h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--c-text);
}

.page-contact .tabs__panel p {
  margin: 0 0 12px;
}

.page-contact .tabs__panel a {
  color: var(--c-pulse);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .tabs__panel a:hover {
  color: var(--c-gold);
}

.page-contact .route-steps {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .route-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-contact .route-steps__n {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-top: 3px;
  background: var(--c-pulse);
  color: var(--c-void);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-contact .route-steps__foot {
  margin: 0;
  padding-top: 14px;
  border-top: var(--edge) solid var(--c-line);
  font-size: 13px;
  color: var(--c-dim);
}

.page-contact .routing__figure {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border: var(--edge) solid var(--c-line);
  background: var(--c-rib);
}

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

.page-contact .routing__figure figcaption {
  padding: 12px 18px;
  border-top: var(--edge) solid var(--c-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-dim);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prep {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: var(--contact-gap);
  border: var(--edge) solid var(--c-line-strong);
  background: var(--c-panel);
}

.page-contact .prep__intro {
  padding: clamp(22px, 3vw, 32px);
  border-bottom: var(--edge) solid var(--c-line);
  background: linear-gradient(180deg, rgba(27, 42, 107, 0.5), rgba(11, 16, 36, 0.92));
}

.page-contact .prep__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-alert);
}

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

.page-contact .prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep__item {
  border-bottom: var(--edge) solid var(--c-line);
}

.page-contact .prep__item:last-child {
  border-bottom: 0;
}

.page-contact .prep-check {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px clamp(20px, 3vw, 32px);
  cursor: pointer;
  transition: background var(--dur-fast) ease;
}

.page-contact .prep-check:hover {
  background: rgba(41, 231, 214, 0.05);
}

.page-contact .prep-check input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.page-contact .prep-check__box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-top: 1px;
  border: var(--edge) solid var(--c-line-strong);
  background: var(--c-void);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: transparent;
  transition: border-color var(--dur-fast) ease, background var(--dur-fast) ease, color var(--dur-fast) ease;
}

.page-contact .prep-check__box::after {
  content: "✓";
}

.page-contact .prep-check input:checked + .prep-check__box {
  border-color: var(--c-pulse);
  background: rgba(41, 231, 214, 0.14);
  color: var(--c-pulse);
}

.page-contact .prep-check input:focus-visible + .prep-check__box {
  outline: 2px solid var(--c-pulse);
  outline-offset: 2px;
}

.page-contact .prep-check__text {
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-dim);
}

.page-contact .prep-check__text b {
  color: var(--c-text);
  font-weight: 600;
}

/* ---------- 自助入口 ---------- */
.page-contact .selfserve {
  margin-top: var(--contact-gap);
}

.page-contact .selfserve__lede {
  max-width: 62ch;
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-dim);
}

.page-contact .selfserve__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: var(--edge) solid var(--c-line-strong);
  background: var(--c-panel);
}

.page-contact .selfserve__item {
  display: block;
  padding: clamp(20px, 3vw, 30px);
  border-bottom: var(--edge) solid var(--c-line);
  text-decoration: none;
  transition: background var(--dur-fast) ease;
}

.page-contact .selfserve__item:last-child {
  border-bottom: 0;
}

.page-contact .selfserve__item:hover {
  background: rgba(108, 59, 255, 0.14);
}

.page-contact .selfserve__item:focus-visible {
  outline: 2px solid var(--c-pulse);
  outline-offset: -4px;
}

.page-contact .selfserve__kind {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-pulse);
}

.page-contact .selfserve__name {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.4;
  color: var(--c-text);
}

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

.page-contact .selfserve__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-pulse);
}

/* ---------- 时限与复核 ---------- */
.page-contact .turnaround {
  margin-top: var(--contact-gap);
  padding: clamp(22px, 3vw, 36px);
  border: var(--edge) solid var(--c-line-strong);
  border-left: 6px solid var(--c-alert);
  background: var(--c-panel);
}

.page-contact .turnaround__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 20px;
}

.page-contact .turnaround__col h3 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.page-contact .turnaround__col p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-dim);
}

.page-contact .turnaround__limit {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(255, 106, 43, 0.45);
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-dim);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 880px) {
  .page-contact .prep {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-contact .prep__intro {
    border-bottom: 0;
    border-right: var(--edge) solid var(--c-line);
  }

  .page-contact .selfserve__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .selfserve__item {
    border-bottom: 0;
    border-right: var(--edge) solid var(--c-line);
  }

  .page-contact .selfserve__item:last-child {
    border-right: 0;
  }

  .page-contact .turnaround__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (min-width: 940px) {
  .page-contact .channels__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .connect-figure {
    border-top: 0;
    border-left: var(--edge) solid var(--c-line);
  }
}
<<<END>>>