.page-contact {
  --c-cut: 20px;
  --c-line-ink: rgba(245, 242, 234, .14);
  --c-line-paper: rgba(35, 38, 47, .14);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(26px, 5.6vw, 68px);
  padding-bottom: clamp(38px, 7.4vw, 96px);
  background:
    radial-gradient(118% 100% at 88% 0%, rgba(255, 90, 31, .26), transparent 60%),
    linear-gradient(158deg, var(--tactical) 0%, var(--ink) 48%, var(--ink-deep) 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: 8%;
  width: 48%;
  height: 150%;
  background: linear-gradient(160deg, rgba(34, 211, 197, .18), rgba(34, 211, 197, 0) 64%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-contact .contact-hero__title {
  position: relative;
  max-width: 13em;
  margin: 14px 0 0;
}

.page-contact .contact-hero__lede {
  position: relative;
  max-width: 44ch;
  margin-top: 20px;
}

/* ---------- 联系面板 ---------- */
.page-contact .contact-board__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.8vw, 56px);
  align-items: start;
}

.page-contact .channel {
  position: relative;
  padding: clamp(18px, 3.2vw, 26px) clamp(18px, 3.2vw, 28px) clamp(20px, 3.4vw, 28px) clamp(22px, 3.6vw, 32px);
  background: linear-gradient(118deg, rgba(255, 90, 31, .13), rgba(16, 26, 60, .3) 64%);
  border: 1px solid var(--c-line-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--c-cut)), calc(100% - var(--c-cut)) 100%, 0 100%);
}

.page-contact .channel + .channel {
  margin-top: 18px;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--orange), var(--orange-deep));
}

.page-contact .channel:nth-child(2)::before {
  background: linear-gradient(180deg, var(--gold), var(--orange));
}

.page-contact .channel__label {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .channel__value {
  margin: 12px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.2vw, 33px);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: .005em;
  color: var(--on-ink);
  word-break: break-all;
}

.page-contact .channel__hint {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--on-ink-dim);
}

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

.page-contact .contact-board__aside {
  min-width: 0;
}

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

.page-contact .contact-board__visit {
  margin-top: 20px;
  padding: 20px 22px 22px;
  background: rgba(8, 15, 38, .58);
  border-left: 3px solid var(--cyan);
}

.page-contact .contact-board__visit-key {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .contact-board__visit-value {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.7;
  font-weight: 600;
  color: var(--on-ink);
}

.page-contact .contact-board__visit-hint {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-ink-dim);
}

/* ---------- 分流标签页 ---------- */
.page-contact .contact-routing__title {
  margin: 12px 0 0;
  max-width: 14em;
}

.page-contact .contact-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(26px, 4.6vw, 46px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line-paper);
}

.page-contact .contact-tabs .tabs__tab {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--graphite);
  background: transparent;
  border: 1px solid var(--c-line-paper);
  border-radius: 0;
  padding: 11px 20px;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .contact-tabs .tabs__tab:hover {
  border-color: var(--orange);
  color: var(--orange-deep);
}

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

.page-contact .contact-tabs .tabs__tab[aria-selected="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #FFFFFF;
}

.page-contact .contact-tabs .tabs__panel {
  padding: clamp(22px, 4vw, 36px) 0 0;
}

.page-contact .ask-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .ask-item {
  padding-left: 18px;
  border-left: 2px solid var(--orange);
}

.page-contact .ask-item__q {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--graphite);
}

.page-contact .ask-item__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  opacity: .78;
}

.page-contact .contact-selfcheck {
  margin: clamp(26px, 4.4vw, 42px) 0 0;
  padding: 20px 22px;
  border-left: 3px solid var(--cyan);
  background: rgba(34, 211, 197, .12);
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .contact-selfcheck a {
  color: var(--orange-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 合作 ---------- */
.page-contact .contact-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 58px);
  align-items: start;
}

.page-contact .contact-partner__title {
  margin: 12px 0 0;
  max-width: 12em;
}

.page-contact .contact-partner__lede {
  max-width: 46ch;
  margin-top: 18px;
}

.page-contact .coop-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .coop-list__item {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--on-ink-dim);
}

.page-contact .coop-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 14px;
  height: 3px;
  background: var(--orange);
  transform: skewX(-24deg);
}

.page-contact .contact-partner__more {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-ink);
}

.page-contact .contact-partner__more a {
  color: var(--cyan);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-partner__aside {
  padding: clamp(22px, 3.6vw, 32px);
  background: linear-gradient(150deg, rgba(217, 164, 65, .15), rgba(8, 15, 38, .62) 72%);
  border: 1px solid rgba(217, 164, 65, .3);
  clip-path: polygon(var(--c-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--c-cut));
}

.page-contact .contact-partner__aside-title {
  margin: 0;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-contact .prep-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .prep-list__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.68;
  color: var(--on-ink);
}

.page-contact .prep-list__num {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-contact .contact-partner__stats {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed rgba(217, 164, 65, .42);
  display: grid;
  gap: 10px;
}

.page-contact .coop-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  color: var(--on-ink-dim);
}

.page-contact .coop-stat__val {
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
}

/* ---------- 到访 ---------- */
.page-contact .contact-visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.6vw, 52px);
  align-items: center;
}

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

.page-contact .contact-visit__title {
  margin: 12px 0 0;
  max-width: 12em;
}

.page-contact .contact-visit__lede {
  max-width: 42ch;
  margin-top: 18px;
}

.page-contact .contact-address {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-left: 18px;
  border-left: 4px solid var(--orange);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(16px, 2.6vw, 21px);
  line-height: 2;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-contact .contact-visit__note {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
  opacity: .8;
}

/* ---------- 响应时段与信息清单 ---------- */
.page-contact .contact-support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4.8vw, 56px);
  align-items: start;
}

.page-contact .contact-support__title {
  margin: 12px 0 0;
  max-width: 12em;
}

.page-contact .contact-support__title--sm {
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.3;
  max-width: 14em;
}

.page-contact .hours-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .hours-list__item {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-ink-dim);
}

.page-contact .hours-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 10px;
  height: 10px;
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

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

.page-contact .brief-list__item {
  counter-increment: brief;
  position: relative;
  padding: 13px 16px 13px 52px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--on-ink);
  background: rgba(8, 15, 38, .42);
  border-left: 2px solid var(--orange);
}

.page-contact .brief-list__item::before {
  content: "0" counter(brief);
  position: absolute;
  left: 16px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-next__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.page-contact .contact-next__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.28;
  letter-spacing: -.02em;
  max-width: 22em;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .ask-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 38px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-board__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .92fr);
  }

  .page-contact .contact-visit__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1fr);
  }

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

  .page-contact .contact-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-tabs .tabs__tab {
    transition: none;
  }
}