.page-contact {
  --pc-card: #131f1a;
  --pc-line: rgba(44, 63, 56, .62);
  --pc-line-strong: rgba(92, 201, 138, .34);
  color: var(--warm);
  font-family: var(--font-sans);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 3vw, 34px) var(--gutter) clamp(40px, 6vw, 76px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -170px;
  right: -150px;
  width: clamp(260px, 44vw, 640px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 42% 42%, rgba(46, 125, 79, .42), rgba(46, 125, 79, 0) 66%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .breadcrumb__list a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}

.page-contact .breadcrumb__list a:hover,
.page-contact .breadcrumb__list a:focus-visible {
  color: var(--pitch-bright);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 54px);
  align-items: center;
}

.page-contact .contact-hero__text .kicker {
  display: block;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--pitch-bright);
}

.page-contact h1 {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(29px, 5.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--warm);
  max-width: 15em;
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.page-contact .lede {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 38em;
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(26px, 3.4vw, 40px);
}

.page-contact .contact-hero__facts {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: clamp(18px, 2.4vw, 24px) 0 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .contact-hero__facts > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .contact-hero__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .contact-hero__facts dd {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--orange);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-stand);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 通用区块骨架 ---------- */
.page-contact .section {
  position: relative;
  padding: clamp(40px, 5.5vw, 82px) 0;
}

.page-contact .section-head {
  margin-bottom: clamp(24px, 3.2vw, 44px);
  max-width: 720px;
}

.page-contact .sec-index {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--pitch-bright);
}

.page-contact .sec-title {
  margin: 0 0 14px;
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--warm);
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.page-contact .sec-desc {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact a:not([class]) {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 232, .35);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact a:not([class]):hover,
.page-contact a:not([class]):focus-visible {
  color: var(--pitch-bright);
  border-color: rgba(92, 201, 138, .6);
}

/* ---------- 三条联系路径 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: clamp(16px, 2vw, 24px);
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, #14221d 0%, #101a16 100%);
  overflow: hidden;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pitch);
}

.page-contact .channel::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 125, 79, .3), rgba(46, 125, 79, 0) 70%);
  pointer-events: none;
}

.page-contact .channel--mail::before { background: var(--cyan); }
.page-contact .channel--phone::before { background: var(--orange); }
.page-contact .channel--post::before { background: var(--pitch-bright); }

.page-contact .channel > * {
  position: relative;
  z-index: 1;
}

.page-contact .channel__badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--muted);
}

.page-contact .channel__name {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--warm);
}

.page-contact .channel__fit {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .channel__val {
  margin: 0;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.5vw, 15px);
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--warm);
  word-break: break-word;
  border: 1px dashed var(--pc-line-strong);
  border-radius: var(--radius-sm);
  background: rgba(46, 125, 79, .1);
}

.page-contact .channel__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: auto;
}

.page-contact .copy-btn {
  padding: 9px 17px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid rgba(53, 214, 232, .55);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: rgba(53, 214, 232, .14);
}

.page-contact .copy-btn.is-copied,
.page-contact .copy-btn[data-copied="true"] {
  color: var(--pitch-bright);
  border-color: var(--pitch-bright);
  background: rgba(92, 201, 138, .14);
}

.page-contact .copy-status {
  min-height: 1em;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .channel__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 该找谁 ---------- */
.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-contact .filter-btn {
  padding: 8px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--muted);
  background: rgba(22, 36, 31, .8);
  border: 1px solid var(--pc-line);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.page-contact .filter-btn:hover,
.page-contact .filter-btn:focus-visible {
  color: var(--warm);
  border-color: var(--pitch-bright);
}

.page-contact .filter-btn[aria-pressed="true"] {
  color: var(--warm);
  background: rgba(46, 125, 79, .34);
  border-color: var(--pitch-bright);
}

.page-contact .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .router-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-line);
}

.page-contact .router-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "no title"
    "no body"
    "no tag";
  column-gap: 14px;
  row-gap: 8px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-line);
  transition: background var(--dur-fast) var(--ease);
}

.page-contact .router-row:hover {
  background: rgba(22, 36, 31, .55);
}

.page-contact .router-row[hidden],
.page-contact .router-row.is-filtered {
  display: none;
}

.page-contact .router-row__no {
  grid-area: no;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--pitch-bright);
}

.page-contact .router-row__title {
  grid-area: title;
  margin: 0;
  font-size: clamp(16px, 1.9vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--warm);
}

.page-contact .router-row__body {
  grid-area: body;
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .router-row .tag {
  grid-area: tag;
  justify-self: start;
}

/* ---------- 响应时间 ---------- */
.page-contact .sla-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .sla-item {
  position: relative;
  padding: clamp(20px, 2.4vw, 26px);
  padding-left: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--pitch);
  border-radius: var(--radius-md);
  background: rgba(22, 36, 31, .72);
}

.page-contact .sla-item:nth-child(2) { border-left-color: var(--orange); }
.page-contact .sla-item:nth-child(3) { border-left-color: var(--cyan); }

.page-contact .sla-item__time {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--orange);
}

.page-contact .sla-item:nth-child(3) .sla-item__time { color: var(--cyan); }

.page-contact .sla-item__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--warm);
}

.page-contact .sla-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 来信与地址 ---------- */
.page-contact .address-grid {
  display: grid;
  gap: clamp(20px, 3vw, 46px);
  align-items: center;
}

.page-contact .address-card {
  position: relative;
  padding: clamp(24px, 3.4vw, 44px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-lg);
  background-color: #101b17;
  background-image:
    repeating-linear-gradient(
      90deg,
      rgba(46, 125, 79, .13) 0 1px,
      rgba(46, 125, 79, 0) 1px 66px
    );
  overflow: hidden;
}

.page-contact .address-card .sec-title {
  font-size: clamp(21px, 2.6vw, 30px);
}

.page-contact .address-value {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.6;
  color: var(--warm);
  border: 1px solid var(--pc-line-strong);
  border-radius: var(--radius-sm);
  background: rgba(12, 22, 19, .7);
}

.page-contact .address-tips {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  counter-reset: tip;
}

.page-contact .address-tips li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  counter-increment: tip;
}

.page-contact .address-tips li::before {
  content: counter(tip, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--pitch-bright);
}

.page-contact .address-media {
  margin: 0;
  aspect-ratio: 14 / 9;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-stand);
}

.page-contact .address-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 商务合作 ---------- */
.page-contact .biz-placards {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .biz-placard {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-sm);
  background: rgba(22, 36, 31, .68);
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .biz-placard:hover {
  border-color: var(--pitch-bright);
  transform: translateY(-3px);
}

.page-contact .biz-placard__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--pitch-bright);
}

.page-contact .biz-placard__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--warm);
}

.page-contact .biz-placard__meta {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .contact-outro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px clamp(18px, 3vw, 32px);
  margin-top: clamp(22px, 3vw, 38px);
  padding-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--pc-line);
}

.page-contact .contact-outro__text {
  flex: 1 1 320px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 提问信息 ---------- */
.page-contact .brief-grid {
  display: grid;
  gap: 14px;
}

.page-contact .brief-card {
  padding: clamp(20px, 2.4vw, 26px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(22, 36, 31, .92), rgba(12, 22, 19, .92));
}

.page-contact .brief-card__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--orange);
}

.page-contact .brief-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--warm);
}

.page-contact .brief-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .brief-foot {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(53, 214, 232, .07);
}

/* ---------- 进入视口动效 ---------- */
.page-contact [data-reveal] {
  opacity: 1;
  transform: translateX(0);
}

.has-js .page-contact [data-reveal] {
  opacity: 0;
  transform: translateX(-18px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.has-js .page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 700px) {
  .page-contact .biz-placards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: clamp(40px, 5vw, 84px);
  }

  .page-contact .router-row {
    grid-template-columns: 56px minmax(0, 1fr) 172px;
    grid-template-areas:
      "no title tag"
      "no .page-contact tag";
    column-gap: 26px;
    row-gap: 6px;
    align-items: start;
  }

  .page-contact .router-row .tag {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }
}

@media (min-width: 1060px) {
  .page-contact .biz-placards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .has-js .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
  }
}