.page-contact {
  --ch: var(--gold);
  padding-bottom: clamp(30px, 5vw, 72px);
}

.page-contact h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-contact h3 {
  margin: 0 0 8px;
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.005em;
}

.page-contact p {
  margin: 0;
}

.page-contact .crumbs {
  padding-top: clamp(16px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(18px, 3vw, 38px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-contact .contact-hero h1 {
  margin: 12px 0 20px;
  color: var(--paper);
  font-size: clamp(38px, 8.4vw, 70px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-contact .contact-hero h1 {
    background: linear-gradient(100deg, var(--paper) 8%, var(--gold-soft) 56%, var(--gold) 96%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-contact .contact-hero__lede {
  max-width: 56ch;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .contact-quick {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--hairline-gold);
  border-radius: var(--radius);
  background:
    radial-gradient(130% 95% at 100% 0%, rgba(242, 169, 59, .18), transparent 60%),
    radial-gradient(90% 80% at 0% 100%, rgba(38, 224, 214, .10), transparent 62%),
    var(--panel);
}

.page-contact .contact-quick__label {
  margin-bottom: 18px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--gold-soft);
}

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

.page-contact .contact-quick__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  font-size: 15px;
  line-height: 1.6;
  color: var(--stone);
}

.page-contact .contact-quick__note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--gold-soft);
}

/* ---------- 三通道 ---------- */
.page-contact .contact-head {
  max-width: 60ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .contact-head__lede {
  margin-top: 16px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .channel-stack {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

.page-contact .channel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  background:
    radial-gradient(140% 100% at 0% 0%, rgba(255, 255, 255, .045), transparent 60%),
    var(--panel);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ch) 0%, rgba(255, 255, 255, 0) 82%);
}

.page-contact .channel--gold { --ch: var(--gold); border-color: rgba(242, 169, 59, .34); }
.page-contact .channel--cyan { --ch: var(--cyan); border-color: rgba(38, 224, 214, .28); }
.page-contact .channel--rose { --ch: var(--rose); border-color: rgba(255, 61, 139, .28); }

.page-contact .channel__index {
  margin-bottom: 12px;
  font-size: 12.5px;
  letter-spacing: .18em;
  color: var(--ch);
}

.page-contact .channel__body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .channel__more {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--hairline);
}

.page-contact .channel__more summary {
  display: flex;
  gap: 10px;
  align-items: center;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ch);
}

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

.page-contact .channel__more summary::after {
  content: "+";
  font-size: 14px;
  line-height: 1;
  margin-left: auto;
}

.page-contact .channel__more[open] summary::after { content: "–"; }

.page-contact .channel__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .channel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 1px;
  background: var(--ch);
}

/* ---------- 官方联络方式 ---------- */
.page-contact .contact-direct {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  padding: clamp(24px, 4vw, 46px);
  color: var(--ink);
}

.page-contact .contact-direct .eyebrow { color: rgba(11, 11, 18, .58); }

.page-contact .contact-direct__list {
  margin: 22px 0 0;
  display: grid;
  gap: 22px;
}

.page-contact .contact-direct__list > div {
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(11, 11, 18, .14);
}

.page-contact .contact-direct__term {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: rgba(11, 11, 18, .58);
}

.page-contact .contact-direct__value {
  margin: 8px 0 0;
  font-size: clamp(20px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.005em;
  word-break: break-word;
  color: var(--ink);
}

.page-contact .contact-direct__side {
  display: grid;
  gap: 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(11, 11, 18, .76);
}

.page-contact .contact-direct__side a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 合作接入 ---------- */
.page-contact .cooperation__text { display: block; }

.page-contact .cooperation__lede {
  margin-top: 16px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .steps {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-contact .steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
}

.page-contact .steps__num {
  padding-top: 5px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-contact .steps__body h3 {
  font-size: 17.5px;
  font-weight: 800;
  margin-bottom: 6px;
}

.page-contact .steps__body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .cooperation__link {
  margin-top: 26px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

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

/* ---------- 图片 ---------- */
.page-contact .contact-figure {
  margin: 0;
}

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

.page-contact .contact-figure--desk img {
  aspect-ratio: 10 / 7;
}

.page-contact .contact-figure--pano img {
  aspect-ratio: 16 / 7;
}

.page-contact .contact-figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--stone);
}

/* ---------- 纠错 ---------- */
.page-contact .correction {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  padding: clamp(24px, 4vw, 42px);
  border-left: 3px solid var(--rose);
}

.page-contact .correction__intro p {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--stone);
}

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

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .checklist li::before {
  content: "";
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border-radius: 5px;
  border: 1.5px solid rgba(255, 61, 139, .55);
  background: rgba(255, 61, 139, .10);
}

.page-contact .checklist--moss li::before {
  border-color: rgba(92, 122, 99, .78);
  background: rgba(92, 122, 99, .16);
}

/* ---------- 来信前 ---------- */
.page-contact .before-help {
  align-self: start;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(38, 224, 214, .14), transparent 62%),
    var(--panel);
}

.page-contact .before-help p {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .before-help .btn { margin-top: 20px; }

.page-contact .before-help__hint {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .before-text h2 { margin-bottom: 22px; }

/* ---------- 地址 ---------- */
.page-contact .location {
  position: relative;
  padding-top: clamp(30px, 5vw, 54px);
}

.page-contact .location::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 20px;
  border-top: 1px solid var(--hairline);
  background-image: repeating-linear-gradient(90deg, var(--hairline) 0 1px, transparent 1px 34px);
}

.page-contact .location::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 3px;
  height: 28px;
  border-radius: 2px;
  background: var(--gold);
  box-shadow: 0 0 14px rgba(242, 169, 59, .7);
}

.page-contact .location__addr {
  margin: 12px 0 16px;
  font-size: clamp(24px, 5vw, 42px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--gold-soft);
}

.page-contact .location__desc {
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .location__meta {
  margin-top: clamp(24px, 3vw, 34px);
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .location__cell {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: var(--panel-deep);
}

.page-contact .location__cell span {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .location__cell strong {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 收束 ---------- */
.page-contact .contact-closing {
  padding-bottom: 0;
}

.page-contact .contact-closing__line {
  margin-top: clamp(22px, 3vw, 34px);
  max-width: 54ch;
  font-size: clamp(18px, 2.8vw, 26px);
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--gold-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .location__meta {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .correction {
    grid-template-columns: 6fr 5fr;
    align-items: start;
  }

  .page-contact .contact-direct {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .contact-direct__side {
    padding-left: clamp(20px, 3vw, 34px);
    border-left: 1px solid rgba(11, 11, 18, .16);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .channel-stack {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  .page-contact .channel-stack .channel:nth-child(2) {
    margin-top: clamp(28px, 4vw, 48px);
  }

  .page-contact .channel-stack .channel:nth-child(3) {
    margin-top: clamp(56px, 8vw, 96px);
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-direct {
    grid-template-columns: 8fr 4fr;
  }

  .page-contact .before-help {
    margin-top: clamp(30px, 5vw, 60px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>