.page-contact {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 4vw, 44px) 0 clamp(30px, 5vw, 56px);
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(14, 59, 51, .9) 0%, rgba(6, 35, 28, 0) 65%),
    radial-gradient(70% 60% at 92% 8%, rgba(16, 42, 74, .85) 0%, rgba(11, 29, 51, 0) 70%),
    linear-gradient(180deg, var(--night-blue) 0%, var(--green-ink) 85%);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .contact-eyebrow {
  margin: 18px 0 10px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--lime);
}

.page-contact .contact-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 8vw, 68px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-contact .contact-lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: rgba(233, 242, 238, .82);
}

.page-contact .contact-quick {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .contact-quick li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.page-contact .contact-quick-label {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.page-contact .contact-quick-value {
  font-size: 14px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero-figure {
  position: relative;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 42, 74, .5), rgba(6, 35, 28, .5));
}

.page-contact .contact-hero-figure::before,
.page-contact .contact-hero-figure::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.page-contact .contact-hero-figure::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--lime);
  border-left: 2px solid var(--lime);
}

.page-contact .contact-hero-figure::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--lime);
  border-right: 2px solid var(--lime);
}

.page-contact .contact-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.9) brightness(.9);
}

.page-contact .contact-hero-figure figcaption {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text-dim);
}

/* ---------- 章节头 ---------- */
.page-contact .contact-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 6px;
  align-items: baseline;
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-index {
  grid-row: 1 / span 2;
  align-self: start;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lime);
}

.page-contact .contact-head-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .contact-head-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 联系卡与右栏 ---------- */
.page-contact .contact-direct {
  padding: clamp(34px, 5.5vw, 68px) 0 0;
}

.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .contact-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px) clamp(16px, 2.4vw, 30px) clamp(18px, 2.6vw, 28px) clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(18, 41, 58, .92), rgba(11, 29, 51, .92));
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--line);
}

.page-contact .contact-card--mail::before {
  background: var(--lime);
}

.page-contact .contact-card--phone::before {
  background: var(--orange);
}

.page-contact .contact-card--time::before {
  background: linear-gradient(180deg, var(--grad-teal), var(--grad-blue));
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  transform: translateY(-2px);
  border-color: rgba(201, 242, 76, .5);
}

.page-contact .contact-card-kind {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--text-dim);
}

.page-contact .contact-card-value {
  margin: 0 0 12px;
  font-size: clamp(16px, 2.4vw, 22px);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-card-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .contact-card-tip {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(201, 242, 76, .8);
}

.page-contact .contact-aside {
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-aside-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  color: var(--text);
}

.page-contact .contact-aside p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .contact-legend {
  list-style: none;
  margin: 20px 0 0;
  padding: 16px;
  display: grid;
  gap: 12px;
  border: 1px dashed var(--line);
  background: rgba(16, 42, 74, .28);
}

.page-contact .contact-legend .legend-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-contact .contact-legend .legend-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.page-contact .legend-dot--lime {
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(201, 242, 76, .16);
}

.page-contact .legend-dot--orange {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 61, .16);
}

.page-contact .contact-aside-figure {
  margin: 22px 0 0;
}

.page-contact .contact-aside-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: brightness(.85);
}

/* ---------- 反馈清单 ---------- */
.page-contact .contact-feedback {
  margin-top: clamp(34px, 6vw, 68px);
  padding: clamp(30px, 5vw, 60px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(120deg, var(--night-blue) 0%, var(--grad-blue) 52%, var(--night-blue) 100%);
}

.page-contact .feedback-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

.page-contact .feedback-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .feedback-item {
  border-top: 1px solid rgba(44, 74, 71, .75);
}

.page-contact .feedback-item:last-child {
  border-bottom: 1px solid rgba(44, 74, 71, .75);
}

.page-contact .feedback-row {
  display: grid;
  grid-template-columns: 20px auto minmax(0, 1fr);
  gap: 4px 12px;
  align-items: start;
  padding: 15px 4px;
  cursor: pointer;
  transition: background .2s var(--ease);
}

.page-contact .feedback-row:hover {
  background: rgba(201, 242, 76, .05);
}

.page-contact .feedback-check {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.page-contact .feedback-check:checked {
  border-color: var(--lime);
  background: rgba(201, 242, 76, .14);
}

.page-contact .feedback-check:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 2px;
  width: 6px;
  height: 9px;
  border-right: 2px solid var(--lime);
  border-bottom: 2px solid var(--lime);
  transform: rotate(38deg);
}

.page-contact .feedback-check:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .feedback-no {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
  padding-top: 4px;
}

.page-contact .feedback-body {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(233, 242, 238, .78);
}

.page-contact .feedback-body strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-contact .feedback-note {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  background: rgba(6, 35, 28, .55);
  align-self: start;
}

.page-contact .feedback-note-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-contact .feedback-note p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

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

/* ---------- 合作 ---------- */
.page-contact .contact-collab {
  padding: clamp(34px, 6vw, 68px) 0 0;
}

.page-contact .collab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .collab-card {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  background: rgba(18, 41, 58, .55);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-contact .collab-card:hover {
  transform: translateY(-2px);
  border-color: rgba(201, 242, 76, .45);
}

.page-contact .collab-no {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-contact .collab-card h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .collab-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-place {
  padding: clamp(34px, 6vw, 68px) 0 clamp(46px, 8vw, 92px);
}

.page-contact .place-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .addr-card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  background: radial-gradient(120% 100% at 90% 0%, rgba(16, 42, 74, .9), rgba(6, 35, 28, .95));
  transition: border-color .22s var(--ease);
}

.page-contact .addr-card:hover,
.page-contact .addr-card:focus {
  border-color: rgba(201, 242, 76, .45);
  outline: none;
}

.page-contact .addr-card:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-contact .addr-kicker,
.page-contact .addr-line,
.page-contact .addr-hint,
.page-contact .addr-detail {
  position: relative;
  z-index: 1;
}

.page-contact .addr-kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--text-dim);
}

.page-contact .addr-line {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .addr-hint {
  margin: 0;
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(201, 242, 76, .8);
}

.page-contact .addr-detail {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .3s var(--ease), opacity .25s var(--ease);
}

.page-contact .addr-card:hover .addr-detail,
.page-contact .addr-card:focus .addr-detail,
.page-contact .addr-card:focus-within .addr-detail {
  max-height: 180px;
  opacity: 1;
}

.page-contact .addr-detail p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .addr-grid {
  position: absolute;
  right: -12%;
  bottom: -20%;
  width: 78%;
  height: 74%;
  opacity: .55;
  pointer-events: none;
}

.page-contact .addr-grid svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-contact .addr-pin {
  position: absolute;
  left: 46%;
  top: 34%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 6px rgba(201, 242, 76, .18);
}

.page-contact .filing-card {
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--line);
  background: rgba(11, 29, 51, .8);
}

.page-contact .filing-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 24px);
  font-weight: 700;
  color: var(--text);
}

.page-contact .filing-icp {
  margin: 0 0 14px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .filing-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .place-links {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .place-links a {
  display: inline-block;
  padding-bottom: 3px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .place-links a:hover,
.page-contact .place-links a:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

.page-contact .place-links a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero-inner {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.18fr);
    align-items: end;
  }

  .page-contact .contact-hero-figure {
    order: -1;
  }

  .page-contact .contact-title {
    display: inline-block;
    transform: skewX(-3deg);
    transform-origin: left bottom;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-aside {
    margin-top: 0;
    padding: 4px 0 0 clamp(18px, 2.4vw, 30px);
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-contact .feedback-inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .feedback-note {
    margin-top: clamp(30px, 5vw, 62px);
  }

  .page-contact .place-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }
}