.page-contact {
  --ct-ink: #16211D;
  --ct-ink-soft: #4A5A55;
  background: var(--ink-green);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact [id] {
  scroll-margin-top: 88px;
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 2px;
}

/* ============ 首屏 ============ */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--charcoal);
}

.page-contact .ct-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .ct-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 42%;
  opacity: 0.34;
}

.page-contact .ct-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    repeating-linear-gradient(90deg, rgba(47, 227, 200, 0.06) 0 1px, transparent 1px 96px),
    linear-gradient(165deg, rgba(11, 31, 26, 0.94) 0%, rgba(11, 31, 26, 0.68) 52%, rgba(16, 19, 20, 0.97) 100%);
}

.page-contact .ct-hero__inner {
  position: relative;
  padding-top: 26px;
  padding-bottom: 42px;
}

.page-contact .ct-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 14px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--sage);
}

.page-contact .ct-kicker__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--neon-cyan);
  box-shadow: 0 0 0 4px rgba(47, 227, 200, 0.16);
}

.page-contact .ct-hero h1 {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(30px, 8.4vw, 56px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .ct-hero__lede {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(242, 247, 245, 0.82);
}

.page-contact .ct-quick {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.page-contact .ct-quick__item {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: rgba(20, 51, 43, 0.55);
  color: inherit;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.page-contact .ct-quick__item:hover {
  border-color: var(--neon-cyan);
  background: rgba(20, 51, 43, 0.92);
  transform: translateY(-3px);
}

.page-contact .ct-quick__key {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--sage);
}

.page-contact .ct-quick__val {
  display: block;
  margin-top: 6px;
  font-family: var(--font-num);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  word-break: break-all;
}

/* ============ 通用区块骨架 ============ */
.page-contact .section {
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-grid {
  display: grid;
  gap: 18px;
}

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

.page-contact .ct-side__num {
  font-family: var(--font-num);
  font-size: 26px;
  line-height: 1;
  color: var(--neon-cyan);
}

.page-contact .ct-side__label {
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--sage);
}

.page-contact .ct-main {
  min-width: 0;
}

.page-contact .ct-h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 5vw, 32px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .ct-h2--dark {
  color: var(--ct-ink);
}

.page-contact .ct-lede {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sage);
}

.page-contact .ct-lede--dark {
  color: var(--ct-ink-soft);
}

/* ============ 01 服务渠道 ============ */
.page-contact .ct-channels__list {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-contact .ct-channel {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--deep-green);
}

.page-contact .ct-channel__tag {
  margin-bottom: 12px;
}

.page-contact .ct-channel__title {
  margin: 0 0 10px;
  font-size: 17px;
  letter-spacing: 0.02em;
}

.page-contact .ct-channel__value {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(18px, 4.6vw, 26px);
  line-height: 1.35;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--neon-cyan);
  word-break: break-all;
}

.page-contact .ct-channel--signal .ct-channel__value {
  color: var(--signal-orange);
}

.page-contact .ct-channel__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sage);
}

.page-contact .ct-plate {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: var(--charcoal);
}

.page-contact .ct-plate img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-contact .ct-plate figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sage);
}

/* ============ 02 在线时段 ============ */
.page-contact .ct-window {
  margin: 22px 0 0;
}

.page-contact .ct-window__bar {
  position: relative;
  height: 10px;
  border: 1px solid var(--line);
  background: rgba(37, 66, 58, 0.7);
}

.page-contact .ct-window__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--neon-cyan), rgba(47, 227, 200, 0.22));
}

.page-contact .ct-window__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-contact .ct-priority {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .ct-priority__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 16px;
  border-left: 2px solid var(--signal-orange);
  background: rgba(20, 51, 43, 0.6);
}

.page-contact .ct-priority__rank {
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1.2;
  color: var(--signal-orange);
}

.page-contact .ct-priority__text {
  font-size: 15px;
  line-height: 1.72;
  color: rgba(242, 247, 245, 0.88);
}

.page-contact .ct-priority__text strong {
  color: var(--paper);
}

.page-contact .ct-brief {
  margin-top: 24px;
  padding: 20px;
}

.page-contact .ct-brief__title {
  margin: 0 0 12px;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--ct-ink);
}

.page-contact .ct-brief__list {
  margin: 0;
  padding-left: 20px;
  color: var(--ct-ink);
  font-size: 15px;
  line-height: 1.85;
}

/* ============ 03 问题分流 ============ */
.page-contact .ct-route {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-route__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-route__type {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-route__how {
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .ct-route__go {
  font-size: 14px;
}

.page-contact .ct-route__go a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 200, 0.4);
  padding-bottom: 2px;
}

.page-contact .ct-route__go a:hover {
  border-bottom-color: var(--neon-cyan);
}

/* ============ 04 合作共创 ============ */
.page-contact .ct-ally {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-contact .ct-ally__item {
  padding: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 51, 43, 0.92), rgba(11, 31, 26, 0.6));
}

.page-contact .ct-ally__num {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--neon-cyan);
}

.page-contact .ct-ally__name {
  margin: 10px 0 8px;
  font-size: 17px;
}

.page-contact .ct-ally__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sage);
}

.page-contact .ct-figures {
  display: grid;
  gap: 14px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-figure__num {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(24px, 6vw, 34px);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--neon-cyan);
}

.page-contact .ct-figure__label {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .ct-ally__cta {
  margin: 22px 0 0;
  padding: 16px 18px;
  border: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 247, 245, 0.88);
}

/* ============ 05 备案纸张区 ============ */
.page-contact .ct-band {
  padding: 46px 0;
  background: var(--paper);
  color: var(--ct-ink);
}

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

.page-contact .ct-band__num {
  font-family: var(--font-num);
  font-size: 26px;
  line-height: 1;
  color: var(--orange-brown);
}

.page-contact .ct-band__num--alt {
  display: block;
  margin-bottom: 12px;
  color: var(--neon-cyan);
}

.page-contact .ct-band__head .ct-h2 {
  margin: 0;
}

.page-contact .ct-band .ct-lede {
  margin-top: 12px;
}

.page-contact .ct-filing {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
}

.page-contact .ct-filing__cell {
  padding: 16px 18px;
  border: 1px solid rgba(37, 66, 58, 0.35);
  background: rgba(255, 255, 255, 0.55);
}

.page-contact .ct-filing dt {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ct-ink-soft);
}

.page-contact .ct-filing dd {
  margin: 10px 0 0;
}

.page-contact .ct-filing__mono {
  font-family: var(--font-num);
  font-size: clamp(18px, 4.4vw, 24px);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--ct-ink);
}

.page-contact .ct-filing__plain {
  font-size: 16px;
  color: var(--ct-ink);
}

.page-contact .ct-band__note {
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-band__note a {
  color: var(--orange-brown);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 70, 31, 0.4);
}

.page-contact .ct-band__note a:hover {
  border-bottom-color: var(--orange-brown);
}

/* ============ 06 寄送说明 ============ */
.page-contact .ct-mail {
  position: relative;
  overflow: hidden;
  padding: 46px 0 54px;
  background: var(--charcoal);
}

.page-contact .ct-mail__grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.page-contact .ct-mail__inner {
  position: relative;
  z-index: 1;
}

.page-contact .ct-mail__addr {
  margin: 20px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: rgba(11, 31, 26, 0.72);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

.page-contact .ct-mail__tail {
  margin: 20px 0 0;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
}

.page-contact .ct-mail__tail a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 200, 0.4);
}

.page-contact .ct-mail__tail a:hover {
  border-bottom-color: var(--neon-cyan);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-contact .ct-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 900px;
  }

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

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

@media (min-width: 760px) {
  .page-contact .ct-hero__inner {
    padding-top: 34px;
    padding-bottom: 56px;
  }

  .page-contact .ct-channels__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .ct-channel:nth-child(2) {
    margin-top: 28px;
  }

  .page-contact .ct-channel--wide {
    grid-column: 1 / -1;
  }

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

  .page-contact .ct-route__row {
    grid-template-columns: 1.1fr 1fr 0.9fr;
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-grid {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 44px;
  }

  .page-contact .ct-side {
    position: sticky;
    top: 28px;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .page-contact .ct-side__label {
    writing-mode: vertical-rl;
    letter-spacing: 0.34em;
  }

  .page-contact .section,
  .page-contact .ct-band,
  .page-contact .ct-mail {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-quick__item,
  .page-contact .ct-channel {
    transition: none;
  }

  .page-contact .ct-quick__item:hover {
    transform: none;
  }
}