.page-contact {
  --pc-gap: clamp(1rem, 2.4vw, 2rem);
  --pc-radius: var(--r-md);
  color: var(--paper);
  background:
    radial-gradient(120% 70% at 12% 0%, rgba(26, 14, 46, 0.92), transparent 62%),
    radial-gradient(90% 50% at 92% 18%, rgba(12, 79, 85, 0.28), transparent 70%),
    var(--void);
  padding-bottom: clamp(3rem, 9vw, 7rem);
}

.page-contact .crumb-row {
  padding-top: clamp(1rem, 3vw, 2.2rem);
}

.page-contact a {
  color: var(--cyan);
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--pink);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(1.4rem, 4vw, 3rem) clamp(1.6rem, 4vw, 3rem);
}

.page-contact .hero-inner {
  position: relative;
}

.page-contact .contact-hero h1 {
  margin: clamp(0.6rem, 1.6vw, 1rem) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(2.4rem, 8.4vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .hero-mark {
  display: inline-block;
  padding-inline: 0.12em;
  color: var(--cyan);
  border-bottom: 2px solid rgba(38, 247, 227, 0.34);
}

.page-contact .contact-hero .lede {
  margin-top: clamp(0.9rem, 2.4vw, 1.6rem);
  max-width: 64ch;
  color: rgba(243, 233, 215, 0.78);
}

.page-contact .hero-lines {
  display: flex;
  gap: 6px;
  margin-top: clamp(1.2rem, 3vw, 2rem);
  align-items: center;
}

.page-contact .hero-lines span {
  display: block;
  height: 2px;
  border-radius: 2px;
}

.page-contact .hero-lines span:nth-child(1) {
  width: 72px;
  background: var(--cyan);
}

.page-contact .hero-lines span:nth-child(2) {
  width: 26px;
  background: var(--orange);
}

.page-contact .hero-lines span:nth-child(3) {
  width: 10px;
  background: var(--pink);
}

/* ---------- 左右分屏联系区 ---------- */
.page-contact .deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .deck-left {
  position: relative;
  overflow: hidden;
  padding: clamp(1.3rem, 3.4vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: linear-gradient(165deg, rgba(26, 14, 46, 0.94), rgba(7, 7, 12, 0.97) 68%);
  box-shadow: var(--shadow-card);
}

.page-contact .deck-left::before {
  content: "";
  position: absolute;
  inset-inline-start: -35%;
  inset-block-start: -55%;
  width: 78%;
  height: 118%;
  background: radial-gradient(circle at 34% 34%, rgba(38, 247, 227, 0.14), transparent 68%);
  pointer-events: none;
}

.page-contact .deck-h,
.page-contact .deck-h2 {
  position: relative;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .deck-sub {
  position: relative;
  margin: 0.55rem 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ash);
}

.page-contact .mail-block,
.page-contact .tel-block {
  position: relative;
  display: block;
  text-decoration: none;
  color: var(--paper);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .mail-block {
  margin-top: clamp(1.2rem, 2.8vw, 1.8rem);
  padding-block: clamp(0.9rem, 2vw, 1.3rem);
  border-block: 1px solid var(--line);
}

.page-contact .mail-k,
.page-contact .tel-k {
  display: block;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}

.page-contact .mail-v {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-data);
  font-size: clamp(0.95rem, 3.3vw, 1.7rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .mail-cue,
.page-contact .tel-cue {
  display: inline-block;
  margin-top: 0.6rem;
  font-family: var(--font-data);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: rgba(243, 233, 215, 0.5);
  transition: color 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .tel-block {
  margin-top: clamp(1rem, 2.4vw, 1.4rem);
  padding: 0.9rem 0 0.9rem 0.9rem;
  border-left: 2px solid var(--orange);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-contact .tel-v {
  display: block;
  margin-top: 0.3rem;
  font-size: clamp(1.3rem, 4.4vw, 2rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .mail-block:hover .mail-cue,
.page-contact .mail-block:focus-visible .mail-cue,
.page-contact .tel-block:hover .tel-cue,
.page-contact .tel-block:focus-visible .tel-cue {
  color: var(--cyan);
  transform: translateX(4px);
}

.page-contact .mail-block:hover .mail-v,
.page-contact .mail-block:focus-visible .mail-v {
  color: var(--paper);
}

.page-contact .mail-block:hover,
.page-contact .mail-block:focus-visible {
  border-block-color: var(--line-cyan);
}

.page-contact .tel-block:hover,
.page-contact .tel-block:focus-visible {
  border-left-color: var(--cyan);
}

.page-contact .deck-map {
  margin: clamp(1.3rem, 3vw, 2rem) 0 0;
}

.page-contact .deck-map img,
.page-contact .rhythm-figure img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
}

.page-contact .deck-map img {
  aspect-ratio: 14 / 9;
  opacity: 0.78;
}

.page-contact .deck-map figcaption,
.page-contact .rhythm-figure figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-data);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--ash);
}

.page-contact .deck-right {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .deck-panel {
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--pc-radius);
  background: rgba(26, 14, 46, 0.46);
}

.page-contact .topic-list {
  margin-top: clamp(1rem, 2.4vw, 1.4rem);
  border-top: 1px solid var(--line-soft);
}

.page-contact .topic {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .topic-sum {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding-block: 0.9rem;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .topic-sum::after {
  content: "+";
  margin-inline-start: auto;
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .topic[open] .topic-sum::after {
  content: "–";
  color: var(--pink);
}

.page-contact .topic-idx {
  flex: 0 0 auto;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--ash);
}

.page-contact .topic-name {
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .topic-body {
  padding: 0 0 1rem 2.1rem;
}

.page-contact .topic-body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(243, 233, 215, 0.7);
}

.page-contact .hours-chip {
  padding: clamp(1rem, 2.6vw, 1.6rem);
  border: 1px solid var(--line-cyan);
  border-radius: var(--pc-radius);
  background: linear-gradient(140deg, rgba(12, 79, 85, 0.62), rgba(7, 7, 12, 0.92));
  box-shadow: var(--shadow-cyan);
}

.page-contact .hours-k {
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}

.page-contact .hours-v {
  margin: 0.45rem 0 0;
  font-size: clamp(1.05rem, 3.4vw, 1.45rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--orange);
}

.page-contact .hours-note {
  margin: 0.6rem 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(243, 233, 215, 0.68);
}

/* ---------- 三步说明 ---------- */
.page-contact .steps-head {
  max-width: 62ch;
}

.page-contact .steps-head h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.7rem, 5vw, 2.7rem);
  line-height: 1.1;
  color: var(--paper);
}

.page-contact .steps-lede {
  margin: 0.75rem 0 0;
  color: rgba(243, 233, 215, 0.72);
  line-height: 1.8;
}

.page-contact .steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.2rem, 3vw, 1.8rem);
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .step {
  padding-top: 1rem;
  border-top: 2px solid var(--line-strong);
}

.page-contact .step-num {
  display: block;
  font-size: clamp(1.6rem, 4.4vw, 2.3rem);
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-contact .step:nth-child(1) .step-num {
  color: var(--orange);
}

.page-contact .step:nth-child(2) .step-num {
  color: var(--cyan);
}

.page-contact .step:nth-child(3) .step-num {
  color: var(--pink);
}

.page-contact .step h3 {
  margin: 0.7rem 0 0;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .step p {
  margin: 0.5rem 0 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(243, 233, 215, 0.7);
}

/* ---------- 回复节奏 ---------- */
.page-contact .rhythm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: center;
}

.page-contact .rhythm-figure {
  margin: 0;
}

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

.page-contact .rhythm-body h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.6rem, 4.8vw, 2.5rem);
  line-height: 1.12;
  color: var(--paper);
}

.page-contact .rhythm-body > p {
  margin: 0.85rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(243, 233, 215, 0.76);
}

.page-contact .rhythm-list {
  margin: clamp(1rem, 2.4vw, 1.4rem) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.page-contact .rhythm-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(243, 233, 215, 0.72);
}

.page-contact .dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .rhythm-list li:nth-child(2) .dot {
  background: var(--orange);
}

.page-contact .rhythm-list li:nth-child(3) .dot {
  background: var(--pink);
}

.page-contact .rhythm-links {
  margin-top: clamp(1rem, 2.4vw, 1.4rem);
  padding-top: 0.9rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-contact .rhythm-links a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 合作 ---------- */
.page-contact .collab-inner {
  padding: clamp(1.4rem, 3.6vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background:
    linear-gradient(190deg, rgba(26, 14, 46, 0.72), rgba(7, 7, 12, 0.94) 72%);
}

.page-contact .collab-head {
  max-width: 64ch;
}

.page-contact .collab-head h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.6rem, 4.8vw, 2.5rem);
  line-height: 1.12;
  color: var(--paper);
}

.page-contact .collab-head p {
  margin: 0.8rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(243, 233, 215, 0.74);
}

.page-contact .collab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.6vw, 1.6rem);
  margin-top: clamp(1.4rem, 3.4vw, 2.2rem);
}

.page-contact .collab-card {
  padding-left: 1rem;
  border-left: 1px solid var(--line-cyan);
}

.page-contact .collab-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .collab-card p {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: rgba(243, 233, 215, 0.7);
}

.page-contact .collab-cta {
  margin: clamp(1.4rem, 3.4vw, 2rem) 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(243, 233, 215, 0.76);
}

.page-contact .collab-cta a {
  font-family: var(--font-data);
  text-decoration: underline;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

/* ---------- 地址与备案 ---------- */
.page-contact .where-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .where-card {
  padding: clamp(1.3rem, 3.2vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: rgba(26, 14, 46, 0.4);
}

.page-contact .where-card h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.5rem, 4.2vw, 2.1rem);
  line-height: 1.14;
  color: var(--paper);
}

.page-contact .where-addr {
  margin: 0.9rem 0 0;
  font-style: normal;
  font-size: clamp(0.98rem, 2.8vw, 1.15rem);
  line-height: 1.8;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-contact .where-note {
  margin: 0.85rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-contact .where-card--paper {
  color: var(--void);
  background: var(--paper);
  border-color: transparent;
  box-shadow: var(--shadow-card);
}

.page-contact .where-card--paper .eyebrow {
  color: rgba(7, 7, 12, 0.55);
}

.page-contact .where-card--paper h2 {
  color: var(--void);
}

.page-contact .where-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.page-contact .where-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
  align-items: baseline;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(7, 7, 12, 0.14);
}

.page-contact .where-k {
  flex: 0 0 5.4rem;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(7, 7, 12, 0.5);
}

.page-contact .where-v {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--void);
  overflow-wrap: anywhere;
}

.page-contact .where-card--paper .where-v.metric {
  font-family: var(--font-data);
  letter-spacing: 0.02em;
}

.page-contact .where-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  margin: 1.1rem 0 0;
  font-size: 0.84rem;
}

.page-contact .where-links a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.page-contact .where-links a:hover,
.page-contact .where-links a:focus-visible {
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-contact .deck {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(1.4rem, 3vw, 2.6rem);
  }

  .page-contact .rhythm-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(1.6rem, 3.6vw, 3rem);
  }

  .page-contact .where-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  }

  .page-contact .deck-right {
    position: sticky;
    top: calc(var(--header-h) + 1.4rem);
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero h1 {
    max-width: 20ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .mail-cue,
  .page-contact .tel-cue,
  .page-contact .mail-block,
  .page-contact .tel-block {
    transition: none;
  }

  .page-contact .mail-block:hover .mail-cue,
  .page-contact .tel-block:hover .tel-cue {
    transform: none;
  }
}
<<<END>>>