.page-contact {
  --pc-glow: rgba(124, 58, 237, .34);
  --pc-grid: rgba(34, 211, 238, .1);
  --pc-shadow: 0 18px 46px -30px rgba(0, 0, 0, .95);
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .contact-breadcrumb {
  padding-top: 20px;
  padding-bottom: 6px;
}

.page-contact .label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .section-head {
  margin-bottom: 26px;
}

.page-contact .section-head__sub {
  margin-top: 10px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 5.4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 10px 0 0;
  color: var(--white);
}

.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 4px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--t-hover) var(--ease),
    border-color var(--t-hover) var(--ease),
    box-shadow var(--t-hover) var(--ease),
    color var(--t-hover) var(--ease);
}

.page-contact .btn--primary {
  background: var(--violet);
  color: var(--white);
  box-shadow: 0 0 0 1px rgba(124, 58, 237, .55), 0 12px 32px -18px var(--violet);
}

.page-contact .btn--primary:hover {
  background: #8B4BF0;
  box-shadow: 0 0 0 1px var(--cyan), 0 0 28px -8px var(--violet);
}

.page-contact .btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: var(--line);
}

.page-contact .btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 22px -10px var(--cyan);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 60px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 90% 62% at 82% -14%, var(--pc-glow), transparent 66%),
    linear-gradient(180deg, var(--ink) 0%, var(--cabin) 100%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .75;
  background-image:
    linear-gradient(to right, var(--pc-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pc-grid) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

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

.page-contact .contact-hero__title {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 9vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--white);
  transform: skewX(-6deg);
  transform-origin: left bottom;
  text-shadow: 0 0 46px rgba(124, 58, 237, .5);
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 247, 250, .78);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-card {
  position: relative;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(158deg, rgba(124, 58, 237, .18), rgba(14, 14, 22, .92) 58%),
    var(--panel);
  box-shadow: var(--pc-shadow);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -70px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(34, 211, 238, .26), transparent 70%);
}

.page-contact .contact-card__row {
  position: relative;
  z-index: 1;
  padding: 14px 0 18px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .contact-card__row:last-of-type {
  border-bottom: 0;
  padding-bottom: 8px;
}

.page-contact .contact-card__label {
  display: block;
  color: var(--muted);
}

.page-contact .contact-card__value {
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(.95rem, 4.2vw, 1.45rem);
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--num {
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-card__note {
  position: relative;
  z-index: 1;
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  cursor: pointer;
  transition: color var(--t-hover) var(--ease),
    border-color var(--t-hover) var(--ease),
    box-shadow var(--t-hover) var(--ease);
}

.page-contact .copy-btn:hover {
  color: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 18px -8px var(--amber);
}

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

.page-contact .copy-btn--wide {
  width: 100%;
  margin-bottom: 14px;
}

/* ---------- 通道 ---------- */
.page-contact .channel-section {
  padding: 52px 0 56px;
  background: var(--cabin);
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-figure {
  position: relative;
  margin: 0 0 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--pc-shadow);
}

.page-contact .channel-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .channel-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(0, 0, 0, .22) 0 1px,
    transparent 1px 3px
  );
}

.page-contact .channel-grid {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: 24px 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--pc-shadow);
  transition: border-color var(--t-hover) var(--ease),
    transform var(--t-hover) var(--ease),
    box-shadow var(--t-hover) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  border-radius: 8px 8px 0 0;
}

.page-contact .channel-card--mail::before {
  background: linear-gradient(90deg, var(--cyan), transparent 82%);
}

.page-contact .channel-card--phone::before {
  background: linear-gradient(90deg, var(--violet), transparent 82%);
}

.page-contact .channel-card--addr::before {
  background: linear-gradient(90deg, var(--amber), transparent 82%);
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 211, 238, .45);
  box-shadow: 0 20px 46px -28px rgba(34, 211, 238, .55);
}

.page-contact .channel-card__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .channel-card__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.3;
  color: var(--white);
}

.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(.86rem, 3.6vw, 1.02rem);
  line-height: 1.45;
  letter-spacing: .01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--addr {
  color: var(--amber);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 时机 ---------- */
.page-contact .when-section {
  padding: 52px 0 56px;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-contact .when-grid {
  display: grid;
  gap: 30px;
}

.page-contact .when-clock {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
  border-left: 1px solid var(--line);
}

.page-contact .when-clock__item {
  position: relative;
  padding: 0 0 26px 22px;
}

.page-contact .when-clock__item:last-child {
  padding-bottom: 0;
}

.page-contact .when-clock__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px 1px rgba(34, 211, 238, .7);
}

.page-contact .when-clock__time {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .when-clock__text {
  display: block;
  margin-top: 5px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .when-notes p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 247, 250, .8);
}

.page-contact .when-callout {
  position: relative;
  margin: 0 0 18px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--magenta);
  border-radius: 6px;
  background: linear-gradient(120deg, rgba(244, 114, 182, .1), transparent 72%), var(--panel);
}

.page-contact .when-callout__label {
  color: var(--magenta);
}

.page-contact .when-callout p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 247, 250, .86);
}

.page-contact .when-callout a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .when-notes__tail {
  margin-bottom: 0 !important;
  font-size: 14px !important;
  color: var(--muted) !important;
}

/* ---------- 合作 ---------- */
.page-contact .coop-section {
  padding: 52px 0 56px;
  background: var(--cabin);
  border-bottom: 1px solid var(--line);
}

.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .coop-item {
  display: grid;
  gap: 12px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .coop-item__side {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .coop-item__idx {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  color: var(--violet);
  font-variant-numeric: tabular-nums;
}

.page-contact .coop-item__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .coop-item__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.16rem;
  line-height: 1.35;
  color: var(--white);
}

.page-contact .coop-item__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(245, 247, 250, .78);
}

.page-contact .coop-item__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan) !important;
  margin-bottom: 0 !important;
}

/* ---------- 地址 ---------- */
.page-contact .addr-section {
  padding: 44px 0;
  background:
    radial-gradient(ellipse 60% 120% at 12% 50%, rgba(251, 191, 36, .12), transparent 70%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

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

.page-contact .addr-band__lead p:not(.label) {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .addr-band__code {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--pc-shadow);
}

.page-contact .addr-band__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .addr-band__value {
  margin: 10px 0 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1rem, 4.6vw, 1.4rem);
  line-height: 1.4;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .addr-band__hint {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 表单 ---------- */
.page-contact .form-section {
  padding: 52px 0 72px;
  background: var(--cabin);
}

.page-contact .form-grid {
  display: grid;
  gap: 30px;
}

.page-contact .form-figure {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

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

.page-contact .form-links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .form-links li {
  border-bottom: 1px solid var(--line);
}

.page-contact .form-links a {
  display: block;
  padding: 13px 2px 13px 20px;
  position: relative;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
  text-decoration: none;
  transition: color var(--t-hover) var(--ease), padding-left var(--t-hover) var(--ease);
}

.page-contact .form-links a::before {
  content: "▸";
  position: absolute;
  left: 2px;
  color: var(--violet);
  transition: transform var(--t-hover) var(--ease);
}

.page-contact .form-links a:hover {
  color: var(--cyan);
  padding-left: 26px;
}

.page-contact .form-links a:hover::before {
  transform: translateX(3px);
  color: var(--cyan);
}

.page-contact .form-panel {
  padding: 24px 20px 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--pc-shadow);
}

.page-contact .form-panel__head {
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-contact .form-panel__head p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .field {
  margin-bottom: 16px;
}

.page-contact .field__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .field__input {
  box-sizing: border-box;
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--white);
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: border-color var(--t-hover) var(--ease),
    box-shadow var(--t-hover) var(--ease);
}

.page-contact .field__input::placeholder {
  color: rgba(167, 173, 187, .62);
}

.page-contact .field__input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan), 0 0 24px -10px var(--cyan);
}

.page-contact textarea.field__input {
  min-height: 128px;
  resize: vertical;
}

.page-contact select.field__input option {
  background: var(--panel);
  color: var(--white);
}

.page-contact .form-submit {
  width: 100%;
  margin-top: 6px;
}

.page-contact .form-panel__foot {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .contact-hero {
    padding: 48px 0 72px;
  }

  .page-contact .contact-card {
    padding: 26px 24px;
  }

  .page-contact .channel-card {
    padding: 26px 24px 24px;
  }

  .page-contact .form-panel {
    padding: 28px 26px 30px;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: center;
  }

  .page-contact .contact-card {
    margin-top: 10px;
  }

  .page-contact .when-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .addr-band {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 44px;
    align-items: center;
  }

  .page-contact .coop-item {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
    padding: 28px 0;
  }

  .page-contact .coop-item__side {
    flex-direction: column;
    gap: 8px;
  }

  .page-contact .form-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .form-panel {
    max-width: 520px;
  }
}

@media (min-width: 780px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-top: 30px;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: 60px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-breadcrumb {
    padding-top: 26px;
  }

  .page-contact .channel-section,
  .page-contact .when-section,
  .page-contact .coop-section,
  .page-contact .form-section {
    padding-top: 68px;
    padding-bottom: 72px;
  }

  .page-contact .addr-section {
    padding: 56px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .copy-btn,
  .page-contact .btn,
  .page-contact .form-links a,
  .page-contact .form-links a::before,
  .page-contact .field__input {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .form-links a:hover {
    transform: none;
  }
}