.page-contact {
  --contact-cut: 20px;
  --contact-edge: 1px solid var(--mist);
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.04;
  margin: 0;
}

.page-contact p {
  margin: 0 0 1.1em;
}

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

.page-contact .eyebrow {
  margin-bottom: 10px;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 44px;
  background:
    radial-gradient(90% 70% at 88% -10%, rgba(198, 255, 61, 0.18), transparent 62%),
    radial-gradient(70% 60% at 0% 110%, rgba(63, 216, 194, 0.12), transparent 60%),
    var(--green-deep);
  color: var(--white);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(198, 255, 61, 0.55), transparent);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 26px;
}

.page-contact .contact-hero__eyebrow {
  color: var(--lime);
  margin-bottom: 14px;
}

.page-contact .contact-hero h1 {
  font-size: clamp(2.1rem, 8vw, 4.4rem);
  margin-bottom: 18px;
}

.page-contact .contact-hero__lede {
  max-width: 36em;
  color: rgba(243, 246, 241, 0.86);
  font-size: 1rem;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .contact-hero__actions .btn--ghost {
  color: var(--white);
}

.page-contact .contact-hero__strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 14px 20px;
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(243, 246, 241, 0.22);
}

.page-contact .contact-hero__strip dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(243, 246, 241, 0.62);
}

.page-contact .contact-hero__strip dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--lime);
}

.page-contact .contact-hero__figure {
  margin: 0;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  filter: saturate(0.88) contrast(1.05);
}

/* 区块标题 */
.page-contact .section-head {
  max-width: 44em;
  margin-bottom: 24px;
}

.page-contact .section-head .eyebrow {
  color: var(--green-pitch);
}

.page-contact .section-head h2 {
  font-size: clamp(1.55rem, 5vw, 2.45rem);
}

.page-contact .section-head__lede {
  margin-top: 10px;
  color: var(--gray);
  font-size: 0.94rem;
}

/* 分段切换区 */
.page-contact .routing {
  padding: 40px 0;
  background: var(--white);
  border-bottom: var(--contact-edge);
}

.page-contact .routing__tabs {
  border-top: var(--contact-edge);
}

.page-contact .routing__tabs > .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
}

.page-contact .routing__panel {
  display: block;
  padding: 18px 0 0;
  max-width: 52em;
  font-size: 0.96rem;
}

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

.page-contact .routing__verdict {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.page-contact .routing__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  border-top: var(--contact-edge);
}

.page-contact .routing__list li {
  position: relative;
  padding: 9px 0 9px 20px;
  border-bottom: var(--contact-edge);
  font-size: 0.93rem;
}

.page-contact .routing__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35em;
  width: 9px;
  height: 1.5px;
  background: var(--cyan);
}

.page-contact .routing__to {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--green-pitch);
  overflow-wrap: anywhere;
}

/* 联系方式卡片 */
.page-contact .channels {
  padding: 40px 0;
  background: var(--white);
}

.page-contact .channels__grid {
  display: grid;
  gap: 20px;
}

.page-contact .channel {
  position: relative;
  padding: 24px 20px 26px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-cut)), calc(100% - var(--contact-cut)) 100%, 0 100%);
}

.page-contact .channel--mail {
  background: var(--green-deep);
  color: var(--white);
}

.page-contact .channel--phone {
  background: var(--white);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--mist);
}

.page-contact .channel__kicker {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  margin-bottom: 12px;
}

.page-contact .channel--mail .channel__kicker {
  color: var(--lime);
}

.page-contact .channel--phone .channel__kicker {
  color: var(--green-pitch);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.05rem, 4.6vw, 1.6rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  overflow-wrap: anywhere;
}

.page-contact .channel--mail .channel__value {
  color: var(--lime);
}

.page-contact .channel__use {
  font-size: 0.94rem;
}

.page-contact .channel--mail .channel__use {
  color: rgba(243, 246, 241, 0.84);
}

.page-contact .channel--phone .channel__use {
  color: var(--gray);
}

.page-contact .channel__more {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid rgba(243, 246, 241, 0.22);
  font-size: 0.9rem;
}

.page-contact .channel--phone .channel__more {
  border-top-color: var(--mist);
}

.page-contact .channel__more summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

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

.page-contact .channel--mail .channel__more summary {
  color: rgba(243, 246, 241, 0.9);
}

.page-contact .channel--phone .channel__more summary {
  color: var(--green-pitch);
}

.page-contact .channel__more summary::after {
  content: "＋";
  font-size: 1rem;
  line-height: 1;
}

.page-contact .channel--mail .channel__more summary::after {
  color: var(--lime);
}

.page-contact .channel--phone .channel__more summary::after {
  color: var(--flame);
}

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

.page-contact .channel__more summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

.page-contact .channel__more ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .channel__more li {
  position: relative;
  padding-left: 14px;
  line-height: 1.6;
}

.page-contact .channel--mail .channel__more li {
  color: rgba(243, 246, 241, 0.8);
}

.page-contact .channel--phone .channel__more li {
  color: var(--gray);
}

.page-contact .channel__more li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

/* 来信清单 */
.page-contact .checklist-sec {
  padding: 40px 0;
  background: var(--white);
  border-top: var(--contact-edge);
}

.page-contact .checklist {
  display: grid;
  gap: 0;
  border-top: var(--contact-edge);
}

.page-contact .checklist__item {
  position: relative;
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 14px;
  align-items: start;
  padding: 15px 0;
  border-bottom: var(--contact-edge);
  cursor: pointer;
}

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

.page-contact .checklist__box {
  width: 22px;
  height: 22px;
  margin-top: 5px;
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 1.5px var(--gray);
  transition: background 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

.page-contact .checklist__box::after {
  content: "";
  width: 10px;
  height: 5px;
  margin-top: -3px;
  border-left: 2px solid var(--green-deep);
  border-bottom: 2px solid var(--green-deep);
  transform: rotate(-45deg) scale(0.4);
  opacity: 0;
  transition: opacity 0.15s var(--ease), transform 0.15s var(--ease);
}

.page-contact .checklist__item input:checked + .checklist__box {
  background: var(--lime);
  box-shadow: inset 0 0 0 1.5px var(--green-deep);
}

.page-contact .checklist__item input:checked + .checklist__box::after {
  opacity: 1;
  transform: rotate(-45deg) scale(1);
}

.page-contact .checklist__item input:focus-visible + .checklist__box {
  outline: 2px solid var(--green-pitch);
  outline-offset: 3px;
}

.page-contact .checklist__text {
  color: var(--gray);
  font-size: 0.94rem;
}

.page-contact .checklist__text strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-weight: 600;
}

.page-contact .maildraft {
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--ink);
  color: var(--white);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .maildraft__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
  margin-bottom: 8px;
}

.page-contact .maildraft__text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 0;
  overflow-wrap: anywhere;
}

/* 办公地址 */
.page-contact .address {
  position: relative;
  overflow: hidden;
  padding: 42px 0;
  background: var(--green-pitch);
  color: var(--white);
}

.page-contact .address__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
}

.page-contact .address__figure {
  margin: 0;
}

.page-contact .address__figure img {
  display: block;
  width: 100%;
  height: auto;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  filter: saturate(0.82);
}

.page-contact .address__eyebrow {
  color: var(--lime);
  margin-bottom: 10px;
}

.page-contact .address h2 {
  font-size: clamp(1.5rem, 4.8vw, 2.3rem);
  margin-bottom: 16px;
}

.page-contact .address__line {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--lime);
  padding-left: 14px;
  border-left: 2px solid var(--lime);
  margin-bottom: 16px;
  overflow-wrap: anywhere;
}

.page-contact .address__body p {
  color: rgba(243, 246, 241, 0.86);
  font-size: 0.94rem;
}

.page-contact .address__pitch {
  position: absolute;
  right: -70px;
  bottom: -50px;
  width: 300px;
  height: auto;
  color: var(--white);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

/* 回复节奏 */
.page-contact .reply {
  padding: 40px 0;
  background: var(--white);
}

.page-contact .reply__grid {
  display: grid;
  gap: 22px;
  border-top: var(--contact-edge);
  padding-top: 24px;
}

.page-contact .reply__num {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 3.4vw, 1.5rem);
  color: var(--green-pitch);
  margin-bottom: 12px;
}

.page-contact .reply__num .num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(2.6rem, 11vw, 4rem);
  line-height: 0.9;
  color: var(--flame);
}

.page-contact .reply__lead p:last-child {
  color: var(--gray);
  font-size: 0.94rem;
}

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

.page-contact .reply__list li {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-top: var(--contact-edge);
}

.page-contact .reply__k {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--green-pitch);
}

.page-contact .reply__list li > span:last-child {
  color: var(--gray);
  font-size: 0.94rem;
}

/* 合作与内容 */
.page-contact .partner {
  padding: 40px 0;
  background: var(--white);
  border-top: var(--contact-edge);
}

.page-contact .partner__grid {
  display: grid;
  gap: 24px;
  padding-left: 18px;
  border-left: 3px solid var(--lime);
}

.page-contact .partner__intro .eyebrow {
  color: var(--green-pitch);
}

.page-contact .partner__intro h2 {
  font-size: clamp(1.5rem, 4.8vw, 2.3rem);
  margin-bottom: 14px;
}

.page-contact .partner__intro p:last-child {
  color: var(--gray);
  font-size: 0.95rem;
}

.page-contact .partner__list {
  list-style: none;
  counter-reset: pnum;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  align-content: start;
}

.page-contact .partner__list li {
  counter-increment: pnum;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 11px 0;
  border-bottom: var(--contact-edge);
  color: var(--gray);
  font-size: 0.94rem;
}

.page-contact .partner__list li::before {
  content: counter(pnum, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--green-pitch);
  padding-top: 0.35em;
}

/* 次级入口 */
.page-contact .next {
  padding: 40px 0 56px;
  background: var(--white);
  border-top: var(--contact-edge);
}

.page-contact .next__title {
  font-size: clamp(1.3rem, 4vw, 1.85rem);
  margin-bottom: 16px;
}

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

.page-contact .next__list li {
  border-bottom: var(--contact-edge);
}

.page-contact .next__list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.94rem;
  transition: color 0.15s var(--ease), padding-left 0.15s var(--ease);
}

.page-contact .next__list a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--green-pitch);
  flex: none;
}

.page-contact .next__list a:hover,
.page-contact .next__list a:focus-visible {
  color: var(--green-pitch);
  padding-left: 6px;
}

@media (min-width: 760px) {
  .page-contact .checklist {
    grid-template-columns: 1fr 1fr;
    column-gap: 44px;
  }

  .page-contact .contact-hero__grid {
    gap: 30px;
  }

  .page-contact .maildraft {
    padding: 20px 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 44px 0 64px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    gap: 48px;
  }

  .page-contact .contact-hero__figure {
    align-self: end;
  }

  .page-contact .routing,
  .page-contact .channels,
  .page-contact .checklist-sec,
  .page-contact .reply,
  .page-contact .partner {
    padding: 60px 0;
  }

  .page-contact .channels__grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
  }

  .page-contact .channel--phone {
    margin-top: 48px;
  }

  .page-contact .address {
    padding: 64px 0;
  }

  .page-contact .address__grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 44px;
  }

  .page-contact .address__pitch {
    width: 420px;
    right: -40px;
    bottom: -60px;
  }

  .page-contact .reply__grid {
    grid-template-columns: 4fr 8fr;
    gap: 48px;
    padding-top: 28px;
  }

  .page-contact .partner__grid {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    padding-left: 24px;
  }

  .page-contact .next {
    padding: 52px 0 72px;
  }

  .page-contact .next__list {
    grid-template-columns: 1fr 1fr;
    column-gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .checklist__box,
  .page-contact .checklist__box::after,
  .page-contact .next__list a {
    transition: none;
  }
}
<<<END>>>