.page-contact {
  padding-block: 0 clamp(64px, 9vw, 120px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  color: var(--mist);
}

.page-contact .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-contact .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(53, 224, 200, 0.6);
}

.page-contact .crumbs-sep {
  opacity: 0.45;
}

.page-contact .crumbs-now {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  max-width: 60rem;
  padding: clamp(28px, 5vw, 56px) 0 clamp(26px, 4.2vw, 48px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 108px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--amber), var(--cyan));
}

.page-contact .ct-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid rgba(53, 224, 200, 0.28);
  background: rgba(53, 224, 200, 0.07);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .ct-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: ctPulse 2.6s ease-out infinite;
}

@keyframes ctPulse {
  0% { box-shadow: 0 0 0 0 rgba(53, 224, 200, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(53, 224, 200, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 224, 200, 0); }
}

.page-contact .ct-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(30px, 5.2vw, 58px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-contact .ct-hero h1 em {
  font-style: normal;
  color: var(--amber);
  background: linear-gradient(180deg, transparent 64%, rgba(255, 138, 61, 0.24) 64%);
}

.page-contact .ct-lead {
  max-width: 34em;
  margin: 0;
  font-size: clamp(15px, 1.32vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 分屏主体 ---------- */
.page-contact .ct-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.4vw, 30px);
}

/* 联系卡 */
.page-contact .ct-desk {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid rgba(53, 224, 200, 0.28);
  background: var(--ink-2);
  box-shadow: var(--shadow-soft);
}

.page-contact .ct-desk-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .ct-desk::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(158deg, rgba(11, 27, 43, 0.5) 0%, rgba(11, 27, 43, 0.92) 56%, rgba(11, 27, 43, 0.97) 100%);
  pointer-events: none;
}

.page-contact .ct-desk-body {
  position: relative;
  z-index: 2;
  padding: clamp(22px, 2.6vw, 32px);
}

.page-contact .ct-desk-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(155, 176, 196, 0.18);
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .ct-desk-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 200, 0.4);
}

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

/* 渠道列表 */
.page-contact .ct-channels {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-contact .ct-channel {
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid rgba(155, 176, 196, 0.16);
  background: rgba(30, 59, 82, 0.6);
}

.page-contact .ct-channel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 7px;
}

.page-contact .ct-channel-key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-copy {
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 138, 61, 0.36);
  background: rgba(255, 138, 61, 0.1);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--amber);
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.page-contact .ct-copy:hover {
  background: rgba(255, 138, 61, 0.22);
  border-color: rgba(255, 138, 61, 0.6);
}

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

.page-contact .ct-channel-val {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .ct-channel-val--mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  word-break: break-all;
}

.page-contact .ct-channel-hint {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* 问题分流 */
.page-contact .ct-router {
  min-width: 0;
}

.page-contact .ct-lanes {
  display: grid;
  gap: 11px;
}

.page-contact .ct-lane {
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid rgba(155, 176, 196, 0.16);
  background: var(--ink-2);
  transition: border-color 0.18s ease;
}

.page-contact .ct-lane[open] {
  border-color: rgba(255, 138, 61, 0.42);
}

.page-contact .ct-lane-sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  transition: background 0.18s ease;
}

.page-contact .ct-lane-sum::-webkit-details-marker {
  display: none;
}

.page-contact .ct-lane-sum:hover {
  background: rgba(30, 59, 82, 0.58);
}

.page-contact .ct-lane-sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .ct-lane-band {
  flex: none;
  width: 4px;
  height: 26px;
  border-radius: 2px;
  background: var(--c-archive);
}

.page-contact .ct-lane--data .ct-lane-band { background: var(--c-football); }
.page-contact .ct-lane--sync .ct-lane-band { background: var(--c-tennis); }
.page-contact .ct-lane--export .ct-lane-band { background: var(--c-esports); }
.page-contact .ct-lane--coop .ct-lane-band { background: var(--c-regional); }

.page-contact .ct-lane-name {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact .ct-lane-tag {
  flex: none;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid rgba(155, 176, 196, 0.28);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .ct-lane[open] .ct-lane-tag {
  border-color: rgba(255, 138, 61, 0.4);
  color: var(--amber);
}

.page-contact .ct-lane-body {
  padding: 14px 18px 20px;
  border-top: 1px solid rgba(155, 176, 196, 0.12);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-lane-body p {
  margin: 0;
}

.page-contact .ct-lane-sub {
  margin: 12px 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .ct-lane-body ul {
  list-style: none;
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
}

.page-contact .ct-lane-body li {
  position: relative;
  padding-left: 18px;
}

.page-contact .ct-lane-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.7;
}

/* ---------- 通用小标题 ---------- */
.page-contact .ct-sec-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.3vw, 27px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-contact .ct-sec-note {
  max-width: 40em;
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-sec-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 200, 0.42);
}

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

/* ---------- 来信准备 ---------- */
.page-contact .ct-prep {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(42px, 6.4vw, 80px);
}

.page-contact .ct-checklist {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-contact .ct-check {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(155, 176, 196, 0.14);
  background: rgba(18, 40, 60, 0.72);
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-contact .ct-check:hover {
  border-color: rgba(53, 224, 200, 0.34);
  background: rgba(18, 40, 60, 0.94);
}

.page-contact .ct-check input {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ct-check-box {
  position: relative;
  flex: none;
  width: 17px;
  height: 17px;
  margin-top: 3px;
  border-radius: 5px;
  border: 1.5px solid rgba(155, 176, 196, 0.5);
  transition: background 0.16s ease, border-color 0.16s ease;
}

.page-contact .ct-check input:checked ~ .ct-check-box {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .ct-check input:checked ~ .ct-check-box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(-45deg);
}

.page-contact .ct-check input:focus-visible ~ .ct-check-box {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .ct-check-text {
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .ct-check-text strong {
  display: block;
  margin-bottom: 3px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .ct-prep-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid rgba(155, 176, 196, 0.16);
  background: var(--ink-2);
}

.page-contact .ct-prep-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-prep-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid rgba(155, 176, 196, 0.14);
  font-size: 12.5px;
  line-height: 1.68;
  color: var(--mist);
}

/* ---------- 处理节奏 ---------- */
.page-contact .ct-rhythm,
.page-contact .ct-coop {
  margin-top: clamp(44px, 6.6vw, 86px);
}

.page-contact .ct-track {
  display: grid;
  grid-template-columns: 3fr 2fr 4fr;
  gap: 6px;
  margin: 22px 0 18px;
}

.page-contact .ct-track-seg {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 15px 16px;
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 138, 61, 0.3);
  background: linear-gradient(140deg, rgba(255, 138, 61, 0.17), rgba(255, 138, 61, 0.04));
}

.page-contact .ct-track-seg--gap {
  border-color: rgba(155, 176, 196, 0.2);
  background: rgba(155, 176, 196, 0.07);
}

.page-contact .ct-track-seg--tail {
  border-color: rgba(53, 224, 200, 0.3);
  background: linear-gradient(140deg, rgba(53, 224, 200, 0.16), rgba(53, 224, 200, 0.04));
}

.page-contact .ct-track-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-contact .ct-track-label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist);
}

.page-contact .ct-rhythm-notes {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-contact .ct-rhythm-notes li {
  padding-left: 14px;
  border-left: 2px solid rgba(155, 176, 196, 0.24);
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .ct-rhythm-key {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 合作咨询 ---------- */
.page-contact .ct-coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

.page-contact .ct-coop-card {
  padding: 20px 18px 18px;
  border-radius: var(--r-md);
  border: 1px solid rgba(155, 176, 196, 0.16);
  background: var(--ink-2);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-contact .ct-coop-card:hover {
  border-color: rgba(255, 138, 61, 0.42);
  transform: translateY(-2px);
}

.page-contact .ct-coop-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .ct-coop-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-coop-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .ct-coop-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
  padding: 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid rgba(155, 176, 196, 0.2);
  background: linear-gradient(120deg, rgba(255, 138, 61, 0.13), rgba(53, 224, 200, 0.1));
}

.page-contact .ct-coop-foot p {
  flex: 1 1 22rem;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--paper);
}

.page-contact .ct-coop-mail {
  margin: 0 4px;
  font-family: var(--font-mono);
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .ct-coop-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 200, 0.45);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 940px) {
  .page-contact .ct-deck {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(22px, 2.6vw, 34px);
  }
}

@media (min-width: 880px) {
  .page-contact .ct-prep {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .page-contact .ct-track {
    grid-template-columns: 1fr;
  }

  .page-contact .ct-rhythm-key {
    display: block;
    margin: 0 0 3px;
  }

  .page-contact .ct-coop-foot {
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-pulse {
    animation: none;
  }

  .page-contact .ct-coop-card:hover {
    transform: none;
  }
}
<<<END>>>