.page-contact {
  color-scheme: dark;
  background: var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(18px, 4vw, 34px);
  padding-bottom: clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero__glow {
  position: absolute;
  top: -8%;
  right: -22%;
  z-index: 0;
  width: min(780px, 118vw);
  margin: 0;
  opacity: 0.38;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 62% 60% at 56% 42%, #000 24%, transparent 78%);
  mask-image: radial-gradient(ellipse 62% 60% at 56% 42%, #000 24%, transparent 78%);
}

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

.page-contact .breadcrumbs {
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 40px);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(32px, 6.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
}

.page-contact .contact-hero__intro {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .contact-channels {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 38px);
}

.page-contact .contact-channel {
  padding: 18px 20px 20px;
  background: linear-gradient(165deg, rgba(38, 224, 255, 0.09), rgba(12, 21, 51, 0.95) 46%);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .contact-channel--mail {
  border-left-color: var(--amber);
  background: linear-gradient(165deg, rgba(255, 177, 59, 0.09), rgba(12, 21, 51, 0.95) 46%);
}

.page-contact .contact-channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mauve);
}

.page-contact .contact-channel__value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-heading);
  font-size: clamp(21px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__value--mail {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 20px);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.page-contact .contact-channel__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

/* ---------- 表单卡 ---------- */
.page-contact .contact-card {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(155deg, #15224a 0%, #0a1226 58%, #0b1730 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(38, 224, 255, 0));
}

.page-contact .contact-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-contact .contact-card__lead {
  margin: 10px 0 4px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .contact-field {
  display: block;
  margin-top: 14px;
}

.page-contact .contact-field > span {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mauve);
}

.page-contact .contact-field input,
.page-contact .contact-field select,
.page-contact .contact-field textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--white);
  background: rgba(7, 11, 26, 0.74);
  border: 1px solid var(--line);
  border-radius: 0;
}

.page-contact .contact-field textarea {
  min-height: 96px;
  resize: vertical;
}

.page-contact .contact-field input::placeholder,
.page-contact .contact-field textarea::placeholder {
  color: var(--mauve);
}

.page-contact .contact-field input:focus-visible,
.page-contact .contact-field select:focus-visible,
.page-contact .contact-field textarea:focus-visible {
  border-color: var(--cyan);
  outline: 2px solid rgba(38, 224, 255, 0.34);
  outline-offset: 1px;
}

.page-contact .contact-card__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.page-contact .contact-card__link {
  margin-top: 16px;
}

/* ---------- 概览条 ---------- */
.page-contact .contact-strip {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-strip__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
}

.page-contact .contact-strip__item {
  padding: clamp(18px, 2.6vw, 28px) clamp(18px, 3vw, 34px);
  background: var(--ink-800);
}

.page-contact .contact-strip__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .contact-strip__value {
  margin: 8px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--white);
}

.page-contact .contact-strip__value--addr {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.65;
}

.page-contact .contact-strip__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .contact-prep {
  padding-block: clamp(46px, 7vw, 88px);
}

.page-contact .contact-prep__grid {
  display: grid;
  gap: clamp(28px, 4vw, 40px);
}

.page-contact .contact-prep__body h2 {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--white);
}

.page-contact .contact-prep__list {
  margin: clamp(22px, 3.4vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-prep__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-prep__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-prep__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--amber);
  padding-top: 3px;
}

.page-contact .contact-prep__name {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

.page-contact .contact-prep__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .contact-prep__media {
  margin: 0;
  position: relative;
  padding: 1px;
  background: linear-gradient(150deg, rgba(38, 224, 255, 0.5), rgba(38, 224, 255, 0) 62%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

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

.page-contact .contact-prep__caption {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mauve);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .contact-coop {
  padding-block: clamp(44px, 6vw, 80px);
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-coop__lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .contact-coop__tabs {
  margin-top: clamp(24px, 3.6vw, 34px);
}

.page-contact .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-contact .tab {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 9px 14px;
  color: var(--slate);
  background: rgba(7, 11, 26, 0.5);
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-contact .tab:hover {
  color: var(--white);
  border-color: var(--cyan);
}

.page-contact .tab.is-active,
.page-contact .tab[aria-selected="true"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

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

.page-contact .tab-panel {
  padding-top: clamp(18px, 2.6vw, 26px);
}

.page-contact .tab-panel p {
  margin: 0 0 12px;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .contact-coop__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mauve);
}

.page-contact .contact-coop__mail {
  color: var(--cyan);
  overflow-wrap: anywhere;
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .contact-visit {
  padding-block: clamp(44px, 6vw, 80px);
}

.page-contact .contact-visit__panel {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 3.4vw, 36px);
  background: linear-gradient(160deg, rgba(38, 224, 255, 0.07), rgba(12, 21, 51, 0.9) 55%);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-contact .contact-visit__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: var(--white);
}

.page-contact .contact-visit__text {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .contact-visit__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .contact-visit__addr {
  margin: 8px 0 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .contact-visit__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 延伸入口 ---------- */
.page-contact .contact-next {
  padding-block: clamp(36px, 5vw, 64px) clamp(48px, 6vw, 84px);
}

.page-contact .contact-next__title {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-heading);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  color: var(--white);
}

.page-contact .contact-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-next__link {
  display: block;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ink-800);
  text-decoration: none;
  transition: background-color 0.2s var(--ease);
}

.page-contact .contact-next__link:hover,
.page-contact .contact-next__link:focus-visible {
  background: #101c3d;
}

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

.page-contact .contact-next__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mauve);
}

.page-contact .contact-next__name {
  display: block;
  margin-top: 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .contact-next__desc {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .contact-strip__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .contact-visit__panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(24px, 4vw, 52px);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: start;
    gap: clamp(32px, 4.5vw, 64px);
  }
}

@media (min-width: 1020px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: clamp(40px, 5vw, 76px);
  }
}

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