.page-contact {
  --contact-col: 720px;
  --contact-line: rgba(44, 66, 58, 0.55);
  position: relative;
  overflow-x: clip;
  color: var(--body-text);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 16% 6%, rgba(63, 224, 198, 0.075), transparent 44%),
    radial-gradient(circle at 88% 2%, rgba(232, 183, 92, 0.055), transparent 40%),
    repeating-linear-gradient(0deg, rgba(232, 241, 236, 0.016) 0 1px, transparent 1px 4px);
}

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

.page-contact .container--narrow {
  max-width: var(--contact-col);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(38px, 7vw, 74px) 0 clamp(42px, 7vw, 82px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(158deg, var(--deep-green) 4%, rgba(16, 32, 25, 0.34) 56%, rgba(16, 32, 25, 0) 84%);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 0 100%);
}

.page-contact .contact-hero__wedge {
  position: absolute;
  top: 0;
  right: -8%;
  width: 52%;
  height: 76%;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(205deg, rgba(63, 224, 198, 0.16), rgba(63, 224, 198, 0) 68%);
  clip-path: polygon(34% 0, 100% 0, 74% 100%, 4% 100%);
}

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

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s ease, border-color 0.24s ease;
}

.page-contact .breadcrumbs a:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-contact .contact-hero h1 {
  margin: 20px 0 0;
  font-size: clamp(31px, 6.6vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--cloud);
}

.page-contact .contact-hero .lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--body-text);
}

.page-contact .contact-hero__meta {
  margin-top: 30px;
  padding-top: 16px;
  border-top: 1px solid var(--contact-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .contact-hero__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(63, 224, 198, 0.14), 0 0 14px rgba(63, 224, 198, 0.7);
  animation: contactPulse 3.2s ease-in-out infinite;
}

@keyframes contactPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.84); }
}

.page-contact .contact-hero__sep {
  width: 1px;
  height: 12px;
  background: var(--line-slate);
}

/* ---------- 章节通用 ---------- */

.page-contact .contact-section {
  padding: clamp(46px, 7.5vw, 86px) 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 6px 20px;
  align-items: start;
  margin-bottom: 30px;
}

.page-contact .section-head__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 6px;
}

.page-contact .section-head h2 {
  margin: 0;
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--cloud);
}

.page-contact .section-head__body > p {
  margin: 10px 0 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-body {
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--body-text);
}

/* ---------- 渠道卡片 ---------- */

.page-contact .channel-list {
  display: grid;
  gap: 16px;
}

.page-contact .channel {
  position: relative;
  padding: 24px 24px 22px;
  border: 1px solid var(--line-slate);
  border-radius: var(--radius-lg);
  background: linear-gradient(148deg, rgba(22, 41, 31, 0.95) 0%, rgba(16, 32, 25, 0.78) 100%);
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  border-radius: 2px;
  background: var(--neon);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: rgba(63, 224, 198, 0.62);
  transform: translateY(-3px);
  box-shadow: 0 22px 48px -34px var(--glow);
}

.page-contact .channel:hover::before,
.page-contact .channel:focus-within::before {
  opacity: 1;
}

.page-contact .channel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .channel__hint {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .channel__value {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.6vw, 22px);
  line-height: 1.35;
  letter-spacing: -0.005em;
  overflow-wrap: anywhere;
}

.page-contact .channel__value--mail {
  color: var(--neon);
  text-shadow: 0 0 22px rgba(63, 224, 198, 0.25);
}

.page-contact .channel__value--tel {
  color: var(--gold);
  letter-spacing: 0.05em;
  text-shadow: 0 0 22px rgba(232, 183, 92, 0.25);
}

.page-contact .channel__desc {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-contact .channel__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(44, 66, 58, 0.9);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 章节配图 ---------- */

.page-contact .contact-visual {
  margin: 34px 0 0;
  border: 1px solid var(--line-slate);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--deep-green);
}

.page-contact .contact-visual .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-contact .contact-visual .media-caption {
  margin: 0;
  padding: 12px 18px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 在线时段 ---------- */

.page-contact .hours-band {
  padding: clamp(28px, 5vw, 44px) clamp(20px, 4vw, 36px);
  border: 1px solid var(--line-slate);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(22, 41, 31, 0.92), rgba(10, 15, 13, 0.6));
  text-align: center;
}

.page-contact .hours-band__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(36px, 9vw, 60px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
  text-shadow: 0 0 28px rgba(232, 183, 92, 0.28);
}

.page-contact .hours-band__dash {
  margin: 0 0.14em;
  color: var(--mist);
  font-weight: 300;
}

.page-contact .hours-band__label {
  margin: 14px 0 0;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .clock-bar {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(13, minmax(0, 1fr));
  gap: 3px;
}

.page-contact .clock-bar span {
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--neon), rgba(63, 224, 198, 0.2));
}

.page-contact .clock-bar span:nth-child(3n) { opacity: 0.5; }
.page-contact .clock-bar span:nth-child(5n) { opacity: 0.74; }

/* ---------- 常见主题 ---------- */

.page-contact .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .topic {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr) auto;
  gap: 8px 20px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid rgba(44, 66, 58, 0.5);
  transition: border-color 0.3s ease;
}

.page-contact .topic:first-child {
  border-top: 1px solid rgba(44, 66, 58, 0.5);
}

.page-contact .topic:hover {
  border-color: rgba(63, 224, 198, 0.45);
}

.page-contact .topic__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cloud);
}

.page-contact .topic__body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .topic__route {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
  white-space: nowrap;
}

/* ---------- 处理流程 ---------- */

.page-contact .flow {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.page-contact .flow::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 4%;
  right: 4%;
  height: 1px;
  background: linear-gradient(90deg, rgba(232, 183, 92, 0) 0%, rgba(232, 183, 92, 0.6) 18%, rgba(232, 183, 92, 0.6) 82%, rgba(232, 183, 92, 0) 100%);
}

.page-contact .flow__step {
  position: relative;
  padding-right: 26px;
}

.page-contact .flow__dot {
  position: relative;
  z-index: 1;
  display: block;
  width: 13px;
  height: 13px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(232, 183, 92, 0.14), 0 0 16px rgba(232, 183, 92, 0.55);
}

.page-contact .flow__title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--cloud);
}

.page-contact .flow__step p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 合作与反馈 ---------- */

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-contact .partner-text h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cloud);
}

.page-contact .partner-text h3:not(:first-child) {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(44, 66, 58, 0.5);
}

.page-contact .partner-text p {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--body-text);
}

.page-contact .partner-visual {
  margin: 0;
  border: 1px solid var(--line-slate);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--deep-green);
}

.page-contact .partner-visual .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

/* ---------- 页脚上方信息带 ---------- */

.page-contact .contact-footline {
  margin-top: clamp(38px, 6vw, 68px);
  padding: 26px 0 42px;
  border-top: 1px solid var(--contact-line);
  background: linear-gradient(180deg, rgba(10, 15, 13, 0) 0%, rgba(16, 32, 25, 0.72) 100%);
}

.page-contact .contact-footline__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  align-items: baseline;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-contact .contact-footline__label {
  display: inline-block;
  margin-right: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

/* ---------- 响应式 ---------- */

@media (max-width: 860px) {
  .page-contact .section-head {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .page-contact .section-head__note {
    display: none;
  }

  .page-contact .flow {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .page-contact .flow::before {
    display: none;
  }

  .page-contact .flow__step {
    padding: 0 0 0 30px;
    margin-left: 6px;
    border-left: 1px solid rgba(44, 66, 58, 0.75);
  }

  .page-contact .flow__step:last-child {
    border-left-color: transparent;
  }

  .page-contact .flow__dot {
    position: absolute;
    left: -6.5px;
    top: 2px;
    margin-bottom: 0;
  }
}

@media (max-width: 720px) {
  .page-contact .topic {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding: 18px 0;
  }

  .page-contact .topic__route {
    padding-top: 0;
  }

  .page-contact .channel {
    padding: 20px 18px 18px;
  }

  .page-contact .contact-hero__sep {
    display: none;
  }
}

@media (min-width: 900px) {
  .page-contact .partner-grid {
    grid-template-columns: 1.18fr 0.82fr;
    gap: 44px;
    align-items: center;
  }
}

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

  .page-contact .channel,
  .page-contact .topic {
    transition: none;
  }
}