.page-contact {
  --coord-gap: clamp(16px, 3vw, 28px);
  --coord-line: rgba(212, 166, 74, .26);
  --coord-paper-line: rgba(11, 11, 13, .14);
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

.page-contact .contact-top {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(22px, 4vw, 44px) clamp(36px, 7vw, 76px);
  border-top: 1px solid var(--line-soft);
  margin-top: clamp(10px, 2vw, 18px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 78% at 84% 0%, rgba(212, 166, 74, .12), transparent 72%),
    radial-gradient(40% 60% at 6% 100%, rgba(110, 31, 40, .28), transparent 70%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(16px, 3vw, 26px);
}

.page-contact .contact-hero__rail {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-contact .contact-hero__rail-cn {
  color: var(--gold);
  letter-spacing: .28em;
}

.page-contact .contact-hero__rail-en::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-gold);
}

.page-contact .contact-hero__main h1 {
  margin: 0 0 clamp(12px, 2vw, 18px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(.98rem, 1.6vw, 1.08rem);
  line-height: 1.78;
  color: rgba(244, 239, 230, .82);
}

.page-contact .contact-hero__stats {
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding-top: clamp(16px, 2.5vw, 22px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-hero__stat dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-contact .contact-hero__stat dd {
  margin: 6px 0 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .contact-hero__stat b {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 3.4vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gold-hi);
}

.page-contact .contact-hero__stat span {
  font-size: .82rem;
  line-height: 1.4;
  color: var(--mist);
}

/* ---------- 联系坐标 ---------- */
.page-contact .coord {
  padding-block: var(--sp);
  background: linear-gradient(180deg, var(--ink-2), var(--ink) 70%);
}

.page-contact .coord__grid {
  display: grid;
  gap: var(--coord-gap);
  margin-top: clamp(20px, 3.5vw, 34px);
}

.page-contact .coord__card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--ink-2);
  border: 1px solid var(--line-gold);
  box-shadow: 0 24px 60px -40px rgba(0, 0, 0, .9);
}

.page-contact .coord__card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 26px;
  background: linear-gradient(225deg, var(--ink) 49%, var(--gold) 50%, var(--gold) 52%, transparent 53%);
  pointer-events: none;
}

.page-contact .coord__figure {
  position: relative;
  overflow: hidden;
}

.page-contact .coord__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1.4;
  object-fit: cover;
  opacity: .48;
  filter: saturate(.8) contrast(1.08);
}

.page-contact .coord__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, var(--ink-2) 96%);
}

.page-contact .coord__body {
  padding: 0 clamp(18px, 3vw, 34px) clamp(22px, 3.5vw, 34px);
  margin-top: -12px;
  position: relative;
  z-index: 1;
}

.page-contact .coord__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-contact .coord__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 3.6vw, 1.72rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--gold-hi);
  word-break: break-all;
}

.page-contact .coord__text {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: .94rem;
  line-height: 1.75;
  color: rgba(244, 239, 230, .74);
}

.page-contact .coord__phone {
  margin-top: clamp(20px, 3vw, 28px);
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px dashed var(--line-soft);
}

.page-contact .coord__num {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 4vw, 1.5rem);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-contact .coord__legend {
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  padding: clamp(14px, 2.4vw, 20px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .coord__legend-fig {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.page-contact .coord__legend-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  opacity: .78;
}

.page-contact .coord__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .coord__row {
  display: grid;
  gap: 4px;
  padding-block: 11px;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-contact .coord__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-contact .coord__row dd {
  margin: 0;
  font-size: .9rem;
  line-height: 1.65;
  color: rgba(244, 239, 230, .8);
}

/* ---------- 合作方向（浅色区） ---------- */
.page-contact .coop {
  padding-block: var(--sp);
  background: var(--paper);
  color: var(--ink);
}

.page-contact .section-head--ink .section-head__title {
  color: var(--ink);
}

.page-contact .section-head--ink .section-head__kicker {
  color: var(--copper);
}

.page-contact .section-head--ink .section-head__note {
  color: #5c5661;
}

.page-contact .coop__list {
  display: grid;
  gap: 10px;
  margin-top: clamp(20px, 3.5vw, 32px);
}

.page-contact .coop__item {
  background: #FBF7F0;
  border: 1px solid var(--coord-paper-line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .coop__item:hover {
  box-shadow: inset 0 0 0 1px var(--copper);
}

.page-contact .coop__item[open] {
  box-shadow: inset 3px 0 0 var(--wine);
}

.page-contact .coop__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px clamp(14px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .coop__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: #fff;
  background: var(--ink);
  padding: 3px 7px;
}

.page-contact .coop__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  letter-spacing: .01em;
  color: var(--ink);
}

.page-contact .coop__hint {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--paper);
  background: var(--wine);
  padding: 4px 8px;
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-contact .coop__summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-contact .coop__body {
  padding: 0 clamp(14px, 2.4vw, 22px) clamp(16px, 2.6vw, 22px);
}

.page-contact .coop__body p {
  margin: 0;
  max-width: 68ch;
  font-size: .93rem;
  line-height: 1.75;
  color: #3d3844;
}

.page-contact .coop__prep {
  margin: 12px 0 0;
  padding: 12px 0 0;
  list-style: none;
  display: grid;
  gap: 7px;
  border-top: 1px dashed rgba(11, 11, 13, .16);
}

.page-contact .coop__prep li {
  position: relative;
  padding-left: 18px;
  font-size: .9rem;
  line-height: 1.6;
  color: #4a4450;
}

.page-contact .coop__prep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 8px;
  height: 1px;
  background: var(--copper);
}

/* ---------- 洽谈流程 ---------- */
.page-contact .flow {
  padding-block: var(--sp);
  background: var(--ink);
}

.page-contact .flow__list {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  margin: clamp(22px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow__step {
  position: relative;
  padding-top: 22px;
  border-top: 1px solid var(--coord-line);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  top: -3.5px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(127, 200, 194, .12);
}

.page-contact .flow__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .flow__step h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.08rem, 2.2vw, 1.28rem);
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.74;
  color: rgba(244, 239, 230, .72);
}

/* ---------- 响应与准备 ---------- */
.page-contact .reply {
  padding-block: var(--sp);
  background: linear-gradient(180deg, var(--ink), var(--ink-2));
}

.page-contact .reply__grid {
  display: grid;
  gap: var(--coord-gap);
}

.page-contact .reply__col h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.05rem);
  line-height: 1.24;
  color: var(--paper);
}

.page-contact .reply__text {
  margin: 0;
  max-width: 62ch;
  font-size: .96rem;
  line-height: 1.8;
  color: rgba(244, 239, 230, .78);
}

.page-contact .reply__notes {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .reply__notes li {
  position: relative;
  padding-left: 16px;
  font-size: .9rem;
  line-height: 1.72;
  color: rgba(244, 239, 230, .72);
  border-left: 2px solid var(--line-gold);
  padding-block: 1px;
}

.page-contact .reply__notes strong {
  color: var(--gold-hi);
  font-weight: 600;
}

.page-contact .reply__links {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: .9rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .reply__link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: color .18s var(--ease);
}

.page-contact .reply__link:hover,
.page-contact .reply__link:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-contact .reply__col--paper {
  background: var(--paper);
  color: var(--ink);
  padding: clamp(20px, 3.2vw, 32px);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-contact .reply__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.15rem, 2.4vw, 1.36rem);
  color: var(--ink);
}

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

.page-contact .reply__prep li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 13px;
  border-bottom: 1px dashed rgba(11, 11, 13, .16);
}

.page-contact .reply__prep li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .reply__prep-no {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--copper);
  line-height: 1.5;
}

.page-contact .reply__prep strong {
  display: block;
  font-size: .96rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .reply__prep p {
  margin: 3px 0 0;
  font-size: .88rem;
  line-height: 1.65;
  color: #4a4450;
}

.page-contact .reply__privacy {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(11, 11, 13, .16);
  font-size: .84rem;
  line-height: 1.7;
  color: #5c5661;
}

.page-contact .reply__col--paper .reply__link {
  color: var(--wine);
  border-bottom-color: rgba(110, 31, 40, .4);
}

.page-contact .reply__col--paper .reply__link:hover,
.page-contact .reply__col--paper .reply__link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 规则提醒 ---------- */
.page-contact .rule {
  background: linear-gradient(115deg, var(--wine), #4a131a 72%);
  padding-block: clamp(26px, 4.5vw, 48px);
  border-top: 1px solid rgba(244, 239, 230, .16);
}

.page-contact .rule__inner {
  display: grid;
  gap: 16px;
  align-items: start;
}

.page-contact .rule__flag {
  margin: 0;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: rgba(244, 239, 230, .9);
  border: 1px solid rgba(244, 239, 230, .45);
  padding: 6px 10px;
  white-space: nowrap;
}

.page-contact .rule__text h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.28rem, 2.8vw, 1.72rem);
  line-height: 1.28;
  color: var(--paper);
}

.page-contact .rule__text p {
  margin: 0;
  max-width: 58ch;
  font-size: .92rem;
  line-height: 1.75;
  color: rgba(244, 239, 230, .84);
}

.page-contact .rule__btn {
  justify-self: start;
}

.page-contact .rule__btn:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .contact-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .coord__row {
    grid-template-columns: 88px minmax(0, 1fr);
    align-items: baseline;
    gap: 10px;
  }
}

@media (min-width: 760px) {
  .page-contact .flow__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: 104px minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 52px);
    align-items: start;
  }

  .page-contact .contact-hero__rail {
    writing-mode: vertical-rl;
    justify-content: flex-start;
    height: 100%;
    padding-top: 4px;
    border-left: 1px solid var(--line-soft);
    padding-left: 14px;
  }

  .page-contact .contact-hero__rail-en::before {
    content: "·";
    margin-right: 0;
    margin-bottom: 8px;
    color: var(--line-gold);
  }

  .page-contact .flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .rule__inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }
}

@media (min-width: 980px) {
  .page-contact .coord__grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, .72fr);
    align-items: start;
  }

  .page-contact .reply__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop__item,
  .page-contact .reply__link {
    transition: none;
  }
}
<<<END>>>