.page-contact {
  --ct-hair: rgba(140, 147, 168, .34);
  --ct-hair-warm: rgba(32, 22, 15, .16);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(12px, 2vw, 20px);
  padding-bottom: clamp(26px, 4.4vw, 52px);
}

.page-contact .contact-hero__frame {
  position: relative;
  padding: clamp(22px, 4.4vw, 52px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(42, 166, 162, .20) 0%, transparent 58%),
    linear-gradient(155deg, #1A2750 0%, #0E1733 72%);
  clip-path: var(--cut-panel);
  overflow: hidden;
}

.page-contact .contact-hero__frame::before {
  content: "";
  position: absolute;
  left: clamp(22px, 4.4vw, 52px);
  right: clamp(22px, 4.4vw, 52px);
  top: 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--jade) 0 2px, transparent 2px 11px);
  opacity: .55;
  pointer-events: none;
}

.page-contact .contact-hero__title {
  margin: clamp(10px, 1.6vw, 18px) 0 0;
  font-size: clamp(38px, 7.4vw, 82px);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.02em;
}

.page-contact .contact-hero__lede {
  max-width: 34ch;
  margin-top: clamp(14px, 2vw, 24px);
}

.page-contact .contact-hero__hint {
  display: inline-block;
  margin-top: clamp(18px, 3vw, 30px);
  padding: 8px 14px;
  border: 1px solid rgba(42, 166, 162, .55);
  color: var(--jade);
  font-size: var(--t-14);
  letter-spacing: .06em;
}

.page-contact .contact-hero__aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 30px;
}

.page-contact .contact-hero__pulse {
  position: relative;
  display: grid;
  place-items: center;
  width: min(196px, 50vw);
  aspect-ratio: 1 / 1;
}

.page-contact .contact-hero__pulse span {
  position: absolute;
  inset: 0;
  border: 1.5px solid rgba(42, 166, 162, .5);
  border-radius: 50%;
  transform: scale(.35);
  opacity: 0;
  animation: ct-breathe 2.6s var(--ease) infinite;
}

.page-contact .contact-hero__pulse span:nth-child(2) {
  border-color: rgba(227, 169, 60, .5);
  animation-delay: .86s;
}

.page-contact .contact-hero__pulse span:nth-child(3) {
  animation-delay: 1.72s;
}

.page-contact .contact-hero__pulse i {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
}

@keyframes ct-breathe {
  0% { transform: scale(.35); opacity: 0; }
  40% { opacity: .7; }
  100% { transform: scale(1); opacity: 0; }
}

.page-contact .contact-hero__aside-cap {
  color: var(--stone);
  font-size: var(--t-12);
  letter-spacing: .16em;
}

/* ---------- 分区索引 ---------- */
.page-contact .contact-index {
  display: flex;
  flex-wrap: nowrap;
  gap: 22px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .contact-index::-webkit-scrollbar {
  display: none;
}

.page-contact .contact-index .indexnav__link {
  flex: 0 0 auto;
  padding: 6px 0;
  font-size: var(--t-12);
  letter-spacing: .12em;
  white-space: nowrap;
  color: var(--stone);
}

.page-contact .contact-index .indexnav__link[aria-current="true"] {
  color: var(--gold);
}

/* ---------- 正文段落通用 ---------- */
.page-contact .contact-lead {
  max-width: 46ch;
  margin-top: 14px;
  color: var(--stone);
  font-size: var(--step-lede);
  line-height: 1.85;
}

.page-contact .section--cream {
  color: var(--soot);
}

.page-contact .section--cream .contact-lead {
  color: rgba(32, 22, 15, .7);
}

/* ---------- 01 主题写法 ---------- */
.page-contact .topic-pair {
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .topic-card {
  position: relative;
  padding: clamp(24px, 2.8vw, 32px) clamp(20px, 2.6vw, 28px);
  background: var(--cream);
  color: var(--soot);
  clip-path: var(--cut-panel);
}

.page-contact .topic-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 5px;
  background: var(--jade);
}

.page-contact .topic-card--crimson::after {
  background: var(--crimson);
}

.page-contact .topic-card__key {
  display: inline-block;
  margin: 0;
  padding: 6px 14px;
  background: var(--soot);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: var(--t-19);
  font-weight: 700;
  letter-spacing: .08em;
}

.page-contact .topic-card--crimson .topic-card__key {
  background: var(--crimson);
}

.page-contact .topic-card__title {
  margin-top: 18px;
  font-size: var(--t-19);
  font-weight: 700;
  color: var(--soot);
}

.page-contact .topic-card__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .topic-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--t-14);
  line-height: 1.75;
  color: rgba(32, 22, 15, .84);
}

.page-contact .topic-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 2px;
  background: var(--jade);
}

.page-contact .topic-card--crimson .topic-card__list li::before {
  background: var(--crimson);
}

.page-contact .contact-aside {
  align-self: center;
}

.page-contact .contact-media {
  margin: 30px 0 0;
}

.page-contact .contact-media img,
.page-contact .idband__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: var(--cut-panel-sm);
}

/* ---------- 02 渠道明细 ---------- */
.page-contact .chan-list {
  border-top: 1.5px solid var(--ct-hair-warm);
  margin-top: 8px;
}

.page-contact .chan-row {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--ct-hair-warm);
}

.page-contact .chan-row__label {
  font-size: var(--t-12);
  font-weight: 700;
  letter-spacing: .16em;
  color: rgba(32, 22, 15, .6);
}

.page-contact .chan-row__value {
  justify-self: start;
  margin-left: -4px;
  padding: 2px 4px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.5vw, 24px);
  font-weight: 600;
  color: var(--soot);
  word-break: break-word;
  user-select: all;
  background: linear-gradient(transparent 64%, rgba(240, 194, 50, .5) 64%);
}

.page-contact .chan-row__value--text {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 600;
  letter-spacing: .01em;
  background: none;
}

.page-contact .chan-row__note {
  font-size: var(--t-14);
  line-height: 1.75;
  color: rgba(32, 22, 15, .66);
}

/* ---------- 03 回复节奏 ---------- */
.page-contact .rhythm {
  list-style: none;
  margin: clamp(10px, 2vw, 18px) 0 0;
  padding: 0 0 0 26px;
  border-left: 1.5px solid rgba(140, 147, 168, .38);
  display: grid;
  gap: clamp(22px, 3vw, 32px);
}

.page-contact .rhythm__item {
  position: relative;
}

.page-contact .rhythm__item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-contact .rhythm__when {
  font-family: var(--font-mono);
  font-size: var(--t-19);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-contact .rhythm__desc {
  margin-top: 8px;
  max-width: 42ch;
  font-size: var(--t-16);
  line-height: 1.8;
  color: rgba(243, 234, 217, .78);
}

/* ---------- 04 咨询前准备 ---------- */
.page-contact .prep-grid {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 16px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .prep-item__num {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: var(--t-14);
  letter-spacing: .08em;
  color: var(--jade);
}

.page-contact .prep-item__title {
  grid-column: 2;
  font-size: var(--t-19);
  font-weight: 700;
  color: var(--cream);
}

.page-contact .prep-item__text {
  grid-column: 2;
  margin-top: 8px;
  max-width: 44ch;
  font-size: var(--t-14);
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 05 自助入口 ---------- */
.page-contact .selfserve {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .selfserve__link {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(22px, 2.8vw, 30px);
  background: var(--ink-2);
  color: var(--cream);
  text-decoration: none;
  clip-path: var(--cut-panel-sm);
  transition: transform .26s var(--ease), background-color .26s var(--ease);
}

.page-contact .selfserve__link::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--jade);
  transition: background-color .26s var(--ease);
}

.page-contact .selfserve__link:hover,
.page-contact .selfserve__link:focus-visible {
  transform: translateY(-4px);
  background: #22305E;
}

.page-contact .selfserve__link:hover::before,
.page-contact .selfserve__link:focus-visible::before {
  background: var(--gold);
}

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

.page-contact .selfserve__tag {
  justify-self: start;
}

.page-contact .selfserve__title {
  font-size: var(--t-19);
  font-weight: 700;
}

.page-contact .selfserve__text {
  font-size: var(--t-14);
  line-height: 1.8;
  color: rgba(243, 234, 217, .76);
}

.page-contact .selfserve__go {
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: .1em;
  color: var(--jade);
}

/* ---------- 06 备案与地区 ---------- */
.page-contact .idband {
  position: relative;
  padding: clamp(24px, 3.6vw, 44px) clamp(22px, 3.4vw, 44px) clamp(24px, 3vw, 38px);
  background: linear-gradient(120deg, #0A1128 0%, #1A2750 100%);
  clip-path: var(--cut-panel);
}

.page-contact .idband__strip {
  display: block;
  height: 4px;
  width: min(300px, 62%);
  background: linear-gradient(
    90deg,
    var(--jade) 0 20%,
    #F3EAD9 20% 40%,
    var(--crimson) 40% 60%,
    var(--green) 60% 80%,
    var(--yellow) 80% 100%
  );
}

.page-contact .idband__grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .idband__meta {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .idband__meta > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .idband__meta dt {
  min-width: 76px;
  font-size: var(--t-12);
  letter-spacing: .16em;
  color: var(--stone);
}

.page-contact .idband__meta dd {
  margin: 0;
  font-size: var(--t-16);
  font-weight: 600;
  color: var(--cream);
  word-break: break-word;
}

.page-contact .idband__note {
  margin-top: clamp(20px, 3vw, 28px);
  max-width: 56ch;
  font-size: var(--t-14);
  line-height: 1.85;
  color: rgba(243, 234, 217, .7);
}

.page-contact .idband__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 18px;
  font-size: var(--t-14);
}

.page-contact .idband__media {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 620px) {
  .page-contact .topic-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .contact-hero__aside {
    margin-top: 0;
  }

  .page-contact .contact-media {
    margin-top: 0;
  }

  .page-contact .chan-row {
    grid-template-columns: 118px minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: baseline;
    gap: 28px;
  }

  .page-contact .chan-row__label {
    padding-top: 8px;
  }

  .page-contact .prep-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-contact .selfserve {
    margin-top: 0;
  }

  .page-contact .idband__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: end;
    gap: 40px;
  }
}

/* ---------- 降级动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__pulse span {
    animation: none;
    opacity: .32;
    transform: scale(.85);
  }

  .page-contact .selfserve__link,
  .page-contact .selfserve__link::before {
    transition: none;
  }

  .page-contact .selfserve__link:hover,
  .page-contact .selfserve__link:focus-visible {
    transform: none;
  }
}