.page-contact {
  --w-hero: 1200px;
  --w-step: 1000px;
  --w-ch: 860px;
  --w-tail: 660px;
  --w-end: 560px;
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 通用焦点与动效 ---------- */
.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.page-contact [data-reveal].is-visible {
  animation: contactRise 320ms var(--ease) both;
}

@keyframes contactRise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal].is-visible { animation: none; }
  .page-contact .channel,
  .page-contact .steps__item a { transition: none !important; }
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(24px, 4.5vw, 48px) clamp(32px, 6vw, 72px);
}

.page-contact .contact-hero__inner {
  width: 100%;
  max-width: var(--w-hero);
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 32px);
}

.page-contact .contact-hero .breadcrumb {
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-contact .contact-hero .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-contact .contact-hero .breadcrumb a:hover { color: var(--gold-soft); }

.page-contact .contact-hero .breadcrumb span[aria-hidden] { margin-inline: 8px; }

.page-contact .contact-hero .breadcrumb [aria-current="page"] { color: var(--paper); }

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-8);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--paper);
  margin: 0.28em 0 0.4em;
  max-width: 16ch;
}

.page-contact .contact-hero__lead {
  font-size: var(--fs-4);
  line-height: 1.8;
  color: var(--muted);
  max-width: 54ch;
  margin: 0;
}

.page-contact .contact-hero__media {
  margin: clamp(28px, 4.5vw, 52px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-mid);
  aspect-ratio: 16 / 7;
}

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

/* ---------- 步骤条 ---------- */
.page-contact .contact-step {
  padding-block: clamp(36px, 6vw, 72px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-step__inner {
  width: 100%;
  max-width: var(--w-step);
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 32px);
}

.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--ink-mid);
}

.page-contact .steps__item + .steps__item { border-top: 1px solid var(--line); }

.page-contact .steps__item { position: relative; }

.page-contact .steps__item a {
  display: grid;
  gap: 6px;
  min-height: 44px;
  padding: clamp(14px, 2.2vw, 20px) clamp(16px, 2.4vw, 24px);
  text-decoration: none;
  color: var(--muted);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .steps__item a:hover {
  background: var(--ink-lift);
  color: var(--paper);
}

.page-contact .steps__num {
  font-family: var(--font-num);
  font-size: var(--fs-2);
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .steps__item.is-current { background: var(--ink-lift); }

.page-contact .steps__item.is-current a { color: var(--paper); }

.page-contact .steps__item.is-current::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--coral), var(--gold));
}

.page-contact .steps__label {
  font-size: var(--fs-3);
  line-height: 1.6;
}

/* ---------- 第 3 步说明 ---------- */
.page-contact .contact-step__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(32px, 5vw, 56px);
}

.page-contact .contact-step__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-6);
  line-height: 1.3;
  color: var(--paper);
  margin: 0 0 0.7em;
}

.page-contact .contact-step__copy p {
  font-size: var(--fs-3);
  line-height: 1.85;
  color: var(--muted);
  margin: 0 0 1.1em;
  max-width: 62ch;
}

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

.page-contact .contact-step__copy a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-contact .contact-step__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-mid);
  aspect-ratio: 1 / 1;
  max-width: 340px;
}

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

/* ---------- 渠道 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(36px, 6vw, 72px);
  border-top: 1px solid var(--line);
  background: var(--ink-deep);
}

.page-contact .contact-channels__inner {
  width: 100%;
  max-width: var(--w-ch);
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 32px);
}

.page-contact .contact-channels__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-6);
  line-height: 1.3;
  color: var(--paper);
  margin: 0.3em 0 0.5em;
}

.page-contact .contact-channels__lead {
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
  max-width: 52ch;
}

.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 26px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .channel {
  position: relative;
  background: var(--ink-mid);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 14px;
  background-image: radial-gradient(circle at 11px 7px, var(--ink-deep) 3.5px, transparent 4px);
  background-size: 22px 14px;
  background-repeat: repeat-x;
  pointer-events: none;
}

.page-contact .channel:hover {
  transform: translateY(-2px);
  border-color: var(--gold-soft);
}

.page-contact .channel[open] { border-color: var(--gold-soft); }

.page-contact .channel__sum {
  display: grid;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  padding: clamp(24px, 3.4vw, 32px) clamp(18px, 2.6vw, 26px) clamp(16px, 2.2vw, 20px);
}

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

.page-contact .channel__kind {
  font-size: var(--fs-1);
  letter-spacing: 0.18em;
  color: var(--jade);
}

.page-contact .channel__value {
  font-family: var(--font-num);
  font-size: var(--fs-4);
  line-height: 1.4;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .channel__note {
  font-size: var(--fs-2);
  color: var(--muted);
}

.page-contact .channel__body {
  padding: 0 clamp(18px, 2.6vw, 26px) clamp(20px, 2.8vw, 26px);
  margin-top: 4px;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

.page-contact .channel__body p {
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 0.9em;
}

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

/* ---------- 地址 ---------- */
.page-contact .contact-place {
  padding-block: clamp(36px, 6vw, 72px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-place__inner {
  width: 100%;
  max-width: var(--w-tail);
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 32px);
}

.page-contact .contact-place__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-5);
  line-height: 1.35;
  color: var(--paper);
  margin: 0.3em 0 0.9em;
}

.page-contact .place-list {
  margin: 0;
  border: 1px solid var(--line);
  border-top-width: 3px;
  border-radius: var(--r-sm);
  background: var(--ink-mid);
  overflow: hidden;
}

.page-contact .place-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px clamp(16px, 2.6vw, 24px);
}

.page-contact .place-list__row + .place-list__row { border-top: 1px solid var(--line); }

.page-contact .place-list dt {
  font-size: var(--fs-1);
  letter-spacing: 0.16em;
  color: var(--jade);
}

.page-contact .place-list dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: var(--fs-3);
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .place-list__foot {
  margin: 16px 0 0;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prep {
  padding-block: clamp(36px, 6vw, 72px);
  background: var(--ink-deep);
  border-top: 1px solid var(--line);
}

.page-contact .contact-prep__inner {
  width: 100%;
  max-width: var(--w-tail);
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 32px);
}

.page-contact .contact-prep__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-5);
  line-height: 1.35;
  color: var(--paper);
  margin: 0.3em 0 0.9em;
}

.page-contact .prep-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .prep-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 2vw, 20px);
  align-items: start;
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ink-mid);
}

.page-contact .prep-list__num {
  font-family: var(--font-num);
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1;
  color: var(--coral);
}

.page-contact .prep-list__text strong {
  display: block;
  font-size: var(--fs-3);
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 0.4em;
}

.page-contact .prep-list__text p {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 收束 ---------- */
.page-contact .contact-end {
  padding-block: clamp(40px, 7vw, 80px);
}

.page-contact .contact-end__inner {
  width: 100%;
  max-width: var(--w-end);
  margin-inline: auto;
  padding: clamp(28px, 4.5vw, 44px) clamp(20px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-mid);
  text-align: center;
}

.page-contact .contact-end__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-4);
  line-height: 1.5;
  color: var(--paper);
  margin: 0 0 1.3em;
}

.page-contact .end-list {
  margin: 0;
  display: grid;
  gap: 0;
  text-align: left;
}

.page-contact .end-list__row {
  display: grid;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px dotted var(--line);
}

.page-contact .end-list dt {
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  color: var(--jade);
}

.page-contact .end-list dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: var(--fs-2);
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-end__note {
  margin: 20px 0 0;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-end__note a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 桌面栅格 ---------- */
@media (min-width: 768px) {
  .page-contact .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .steps__item + .steps__item {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-contact .contact-step__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-step__media {
    max-width: none;
    aspect-ratio: 4 / 5;
  }

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

  .page-contact .place-list__row {
    grid-template-columns: 104px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .end-list__row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-step__media { aspect-ratio: 1 / 1; }
}
<<<END>>>