/* ================= 联系与订阅 · 页面专属样式 ================= */

.page-contact {
  --cc-line: 2px solid var(--ink);
  --cc-line-inverse: 2px solid rgba(244, 246, 242, 0.22);
  background: var(--paper);
  color: var(--ink);
}

.page-contact h1,
.page-contact h2,
.page-contact h3,
.page-contact p,
.page-contact ul,
.page-contact ol,
.page-contact figure,
.page-contact table {
  margin: 0;
}

.page-contact ul,
.page-contact ol {
  list-style: none;
  padding: 0;
}

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

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  margin-bottom: 28px;
}

.page-contact .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cool);
}

.page-contact .breadcrumbs__item:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  opacity: 0.45;
}

.page-contact .breadcrumbs__link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.page-contact .breadcrumbs__link:hover,
.page-contact .breadcrumbs__link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-contact .breadcrumbs__now {
  color: var(--neon);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: calc(var(--band-h) + var(--bar-h) + 34px) 0 52px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(59, 240, 196, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 240, 196, 0.07) 1px, transparent 1px);
  background-size: 100% 52px, 52px 100%;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 34px;
}

.page-contact .contact-hero .eyebrow {
  color: var(--neon);
}

.page-contact .contact-hero .display-title {
  color: var(--paper);
  margin-top: 14px;
}

.page-contact .contact-hero__lede {
  color: var(--cool);
  margin-top: 20px;
  max-width: 54ch;
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .contact-hero__figure {
  border: 2px solid rgba(59, 240, 196, 0.55);
  box-shadow: 8px 8px 0 rgba(59, 240, 196, 0.42);
  background: var(--night);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(0.72) contrast(1.06);
}

/* ---------- 通道总览 ---------- */
.page-contact .channel-board {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 34px;
  border: var(--cc-line);
  background: var(--paper);
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 28px;
  border-bottom: var(--cc-line);
}

.page-contact .channel:last-child {
  border-bottom: 0;
}

.page-contact .channel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
  background: var(--ink);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.page-contact .channel__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mid);
}

.page-contact .channel__title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(11, 31, 25, 0.28);
  overflow-wrap: anywhere;
}

.page-contact .channel__desc {
  flex: 1;
  font-size: 15px;
  line-height: 1.68;
  color: var(--mid);
}

.page-contact .channel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 邮件节奏 ---------- */
.page-contact .contact-rhythm {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}

.page-contact .contact-rhythm::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(59, 240, 196, 0.05) 0 1px,
    transparent 1px 56px
  );
}

.page-contact .contact-rhythm .container {
  position: relative;
  z-index: 1;
}

.page-contact .rhythm__grid {
  display: grid;
  gap: 34px;
}

.page-contact .contact-rhythm .eyebrow {
  color: var(--neon);
}

.page-contact .contact-rhythm .display-title--md {
  color: var(--paper);
  margin-top: 14px;
}

.page-contact .rhythm__big {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 24px;
  font-family: var(--font-data);
  color: var(--neon);
}

.page-contact .rhythm__big .num {
  font-size: clamp(60px, 13vw, 104px);
  font-weight: 700;
  line-height: 0.88;
  letter-spacing: -0.02em;
}

.page-contact .rhythm__unit {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
}

.page-contact .rhythm__note {
  margin-top: 20px;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--cool);
}

.page-contact .rhythm__sub {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--paper);
  padding-bottom: 12px;
  border-bottom: var(--cc-line-inverse);
}

.page-contact .rhythm__list {
  margin-top: 4px;
}

.page-contact .rhythm__list li {
  position: relative;
  padding: 14px 0 14px 26px;
  border-bottom: 1px solid rgba(244, 246, 242, 0.12);
  font-size: 15px;
  line-height: 1.62;
  color: var(--cool);
}

.page-contact .rhythm__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 14px;
  height: 2px;
  background: var(--neon);
}

.page-contact .rhythm__list li:last-child {
  border-bottom: 0;
}

.page-contact .rhythm__template {
  margin-top: 26px;
  padding: 18px 20px 20px;
  border: 2px solid var(--neon);
  background: rgba(59, 240, 196, 0.07);
}

.page-contact .rhythm__template-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-contact .rhythm__template-body {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .rhythm__template-hint {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.66;
  color: var(--cool);
}

/* ---------- 电话与到访 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 34px;
  border: var(--cc-line);
}

.page-contact .visit__col {
  padding: 26px 22px 30px;
  border-bottom: var(--cc-line);
}

.page-contact .visit__col:last-child {
  border-bottom: 0;
}

.page-contact .visit__col h3 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 18px;
}

.page-contact .visit__col ul {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-contact .visit__col li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.66;
  color: var(--mid);
}

.page-contact .visit__col li::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 14px;
  color: var(--teal);
}

.page-contact .visit__meta {
  padding-top: 16px;
  border-top: 1px solid var(--cool);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mid);
}

.page-contact .visit__address {
  padding: 14px 16px;
  background: var(--navy);
  color: var(--paper);
  border-left: 4px solid var(--neon);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.page-contact .visit__map {
  display: block;
  width: 100%;
  height: auto;
  margin: 22px 0;
  color: var(--mid);
}

.page-contact .visit__note {
  font-size: 14px;
  line-height: 1.72;
  color: var(--mid);
}

/* ---------- 合作对接 ---------- */
.page-contact .partners__grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 34px;
  border-top: var(--cc-line);
  border-left: var(--cc-line);
}

.page-contact .track {
  padding: 24px 20px 26px;
  border-right: 0;
  border-bottom: var(--cc-line);
  background: var(--paper);
}

.page-contact .track__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--teal);
  margin-bottom: 12px;
}

.page-contact .track__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}

.page-contact .track__body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mid);
}

.page-contact .partners__ask {
  margin-top: 32px;
  padding: 26px 22px 28px;
  background: var(--paper);
  border: var(--cc-line);
  box-shadow: var(--shadow-hard-soft);
}

.page-contact .partners__ask-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 18px;
}

.page-contact .partners__ask-list {
  display: grid;
  gap: 12px;
}

.page-contact .partners__ask-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.66;
  color: var(--ink);
}

.page-contact .partners__ask-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 2px;
  background: var(--neon);
}

.page-contact .partners__ask-note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--cool);
  font-size: 14px;
  line-height: 1.72;
  color: var(--mid);
}

/* ---------- 订阅与授权 ---------- */
.page-contact .contact-subscribe {
  background: linear-gradient(180deg, rgba(201, 214, 208, 0.24) 0%, rgba(244, 246, 242, 0) 100%);
}

.page-contact .subscribe__grid {
  display: grid;
  gap: 34px;
}

.page-contact .deliver-list {
  margin: 24px 0 0;
  border-top: var(--cc-line);
}

.page-contact .deliver-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-bottom: var(--cc-line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .deliver-list li strong {
  font-weight: 700;
}

.page-contact .deliver-list__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--teal);
  padding-top: 2px;
}

.page-contact .subscribe__terms {
  margin-top: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mid);
}

.page-contact .subscribe__terms a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--neon);
  padding-bottom: 1px;
}

.page-contact .subscribe__terms a:hover,
.page-contact .subscribe__terms a:focus-visible {
  color: var(--teal);
}

.page-contact .subscribe__figure {
  border: var(--cc-line);
  background: var(--night);
  box-shadow: var(--shadow-hard-soft);
}

.page-contact .subscribe__figure .image-frame__media {
  --frame-ratio: 10 / 7;
}

/* ---------- 速查表 ---------- */
.page-contact .table-wrap {
  margin-top: 32px;
  overflow-x: auto;
  border: var(--cc-line);
  -webkit-overflow-scrolling: touch;
}

.page-contact .data-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
  background: var(--paper);
}

.page-contact .data-table th {
  text-align: left;
  padding: 14px 16px;
  background: var(--night);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}

.page-contact .data-table td {
  padding: 15px 16px;
  border-bottom: 1px solid rgba(201, 214, 208, 0.7);
  vertical-align: top;
  line-height: 1.62;
  color: var(--ink);
}

.page-contact .data-table tbody tr:nth-child(odd) {
  background: rgba(201, 214, 208, 0.18);
}

.page-contact .data-table tbody tr:hover {
  background: rgba(59, 240, 196, 0.18);
}

.page-contact .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .data-table td:first-child {
  font-family: var(--font-mono);
  color: var(--mid);
  white-space: nowrap;
}

.page-contact .data-table td:nth-child(3) {
  white-space: nowrap;
  color: var(--teal);
  font-weight: 600;
}

/* ---------- 收尾 ---------- */
.page-contact .contact-tail {
  border-top: var(--cc-line);
}

.page-contact .contact-tail__box {
  display: grid;
  gap: 20px;
  padding: 32px 22px 36px;
  background: var(--night);
  color: var(--paper);
  border-left: 6px solid var(--neon);
}

.page-contact .contact-tail__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-tail__text {
  margin-top: 12px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--cool);
}

.page-contact .contact-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板 ---------- */
@media (min-width: 780px) {
  .page-contact .section {
    padding: 72px 0;
  }

  .page-contact .partners__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .track {
    border-right: var(--cc-line);
  }

  .page-contact .track:nth-child(even) {
    border-right: 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .section {
    padding: 88px 0;
  }

  .page-contact .contact-hero {
    padding: calc(var(--band-h) + var(--bar-h) + 48px) 0 76px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
  }

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

  .page-contact .channel {
    border-bottom: 0;
    border-right: var(--cc-line);
    padding: 30px 26px 34px;
  }

  .page-contact .channel:last-child {
    border-right: 0;
  }

  .page-contact .rhythm__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .visit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .visit__col {
    border-bottom: 0;
    border-right: var(--cc-line);
    padding: 32px 30px 36px;
  }

  .page-contact .visit__col:last-child {
    border-right: 0;
  }

  .page-contact .subscribe__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-tail__box {
    grid-template-columns: minmax(0, 1fr) minmax(0, auto);
    align-items: center;
    gap: 44px;
    padding: 44px 44px 48px;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1100px) {
  .page-contact .partners__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .track:nth-child(even) {
    border-right: var(--cc-line);
  }

  .page-contact .track:nth-child(4n) {
    border-right: 0;
  }
}