.page-contact {
  --contact-slant: 18px;
  position: relative;
  background: var(--c-bg);
  color: var(--c-white);
}

.page-contact .container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--space);
}

/* ===== 首屏：赛事等待屏 ===== */
.page-contact .contact-hero {
  position: relative;
  padding: 40px 0 56px;
  background: linear-gradient(180deg, var(--c-bg-deep) 0%, rgba(13, 13, 13, .92) 70%, var(--c-bg) 100%);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 12% 18%, rgba(0, 168, 255, .16) 0, transparent 42%),
    radial-gradient(circle at 85% 70%, rgba(255, 106, 0, .13) 0, transparent 38%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--c-primary), var(--c-accent), transparent);
  opacity: .8;
}

.page-contact .contact-hero__visual {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.page-contact .contact-hero__wave {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
}

.page-contact .contact-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-contact .contact-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .contact-hero__zone {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-primary);
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(2.1rem, 8.5vw, 4.2rem);
  line-height: .95;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--c-white);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 36em;
  color: var(--c-silver);
  font-size: 1rem;
  line-height: 1.75;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-contact .contact-hero__panel {
  width: 100%;
  max-width: 620px;
}

.page-contact .contact-hero__phone-panel {
  position: relative;
  padding: 20px 22px 24px;
  border: 1px solid var(--c-edge);
  background:
    repeating-linear-gradient(180deg, rgba(0, 168, 255, .035) 0 2px, transparent 2px 5px),
    linear-gradient(135deg, rgba(0, 168, 255, .16), rgba(255, 106, 0, .1));
  clip-path: polygon(
    0 0,
    calc(100% - var(--contact-slant)) 0,
    100% var(--contact-slant),
    100% 100%,
    var(--contact-slant) 100%,
    0 calc(100% - var(--contact-slant))
  );
}

.page-contact .contact-hero__phone-panel::before {
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 76px;
  height: 76px;
  border: 1px solid rgba(0, 168, 255, .35);
  border-radius: 50%;
  animation: contact-ping 3s ease-out infinite;
  pointer-events: none;
}

@keyframes contact-ping {
  0% {
    transform: scale(.6);
    opacity: .9;
  }
  70% {
    transform: scale(1.2);
    opacity: .15;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

.page-contact .contact-hero__phone-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 14px;
}

.page-contact .contact-hero__phone-state {
  color: var(--c-success);
  font-size: 13px;
  letter-spacing: .06em;
}

.page-contact .contact-hero__phone-hours {
  margin-left: auto;
  color: var(--c-silver);
  font-size: 12px;
}

.page-contact .contact-hero__phone-label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--c-accent);
  text-transform: uppercase;
}

.page-contact .contact-hero__phone-num {
  display: inline-block;
  font-weight: 700;
  font-size: clamp(1.8rem, 7vw, 2.9rem);
  color: var(--c-white);
  text-decoration: none;
  letter-spacing: .04em;
  line-height: 1.1;
  transition: color .2s;
}

.page-contact .contact-hero__phone-num:hover {
  color: var(--c-primary);
}

.page-contact .contact-hero__phone-tip {
  margin: 10px 0 0;
  color: var(--c-silver);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== 渠道选择 ===== */
.page-contact .contact-channels {
  padding: 64px 0 48px;
}

.page-contact .contact-channels .section__head,
.page-contact .contact-guide .section__head,
.page-contact .contact-time .section__head,
.page-contact .contact-response .section__head,
.page-contact .contact-feedback .section__head {
  margin-bottom: 26px;
}

.page-contact .filter-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 26px;
  -webkit-overflow-scrolling: touch;
}

.page-contact .filter-tabs__btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.page-contact .contact-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 640px) {
  .page-contact .contact-channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 100%;
  padding: 22px;
  background: var(--c-panel);
  border: 1px solid var(--c-edge);
  transition: border-color .2s, transform .2s;
}

.page-contact .contact-channel:hover {
  border-color: var(--c-primary);
  transform: translateY(-4px);
}

.page-contact .contact-channel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-contact .contact-channel__no {
  color: var(--c-silver);
  opacity: .6;
  font-size: 13px;
}

.page-contact .contact-channel__name {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-contact .contact-channel__value {
  margin: 0;
  font-weight: 700;
  font-size: 1.05rem;
  word-break: break-word;
  color: var(--c-white);
}

.page-contact .contact-channel__value a {
  color: inherit;
  text-decoration: none;
  transition: color .2s;
}

.page-contact .contact-channel__value a:hover {
  color: var(--c-primary);
}

.page-contact .contact-channel__note {
  margin: 0;
  color: var(--c-silver);
  font-size: .9rem;
  line-height: 1.6;
}

/* ===== 渠道边界 ===== */
.page-contact .contact-guide {
  padding: 56px 0 64px;
  background: linear-gradient(0deg, var(--c-bg-deep) 0%, var(--c-bg) 85%);
  border-block: 1px solid var(--c-edge);
}

.page-contact .contact-guide__list {
  display: grid;
  gap: 18px;
}

@media (min-width: 768px) {
  .page-contact .contact-guide__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-contact .contact-guide__item {
  position: relative;
  padding: 28px 24px 24px;
  background: var(--c-bg-deep);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-contact .contact-guide__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--c-primary);
}

.page-contact .contact-guide__item--brand::before {
  background: var(--c-accent);
}

.page-contact .contact-guide__item--support::before {
  background: var(--c-success);
}

.page-contact .contact-guide__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-contact .contact-guide__no {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--c-primary);
}

.page-contact .contact-guide__item--brand .contact-guide__no {
  color: var(--c-accent);
}

.page-contact .contact-guide__item--support .contact-guide__no {
  color: var(--c-success);
}

.page-contact .contact-guide__head h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.page-contact .contact-guide__item p {
  margin: 0;
  color: var(--c-silver);
  font-size: .95rem;
  line-height: 1.7;
}

/* ===== 服务数据带 ===== */
.page-contact .contact-trust {
  padding: 28px 0 64px;
}

.page-contact .contact-trust__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 768px) {
  .page-contact .contact-trust__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-contact .contact-trust__item {
  padding: 18px 14px;
  text-align: center;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-edge);
  border-top: 2px solid var(--c-primary);
}

.page-contact .contact-trust__item--blue {
  border-top-color: var(--c-primary);
}

.page-contact .contact-trust__item--orange {
  border-top-color: var(--c-accent);
}

.page-contact .contact-trust__item--green {
  border-top-color: var(--c-success);
}

.page-contact .contact-trust__item--yellow {
  border-top-color: var(--c-warn);
}

.page-contact .contact-trust__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-primary);
}

.page-contact .contact-trust__item--orange .contact-trust__num {
  color: var(--c-accent);
}

.page-contact .contact-trust__item--green .contact-trust__num {
  color: var(--c-success);
}

.page-contact .contact-trust__item--yellow .contact-trust__num {
  color: var(--c-warn);
}

.page-contact .contact-trust__label {
  display: block;
  margin-top: 4px;
  color: var(--c-silver);
  font-size: 12px;
}

/* ===== 服务时间 ===== */
.page-contact .contact-time {
  padding: 64px 0 56px;
}

.page-contact .contact-time__grid {
  display: grid;
  gap: 28px;
}

@media (min-width: 768px) {
  .page-contact .contact-time__grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.page-contact .contact-time__visual {
  margin: 0;
  padding: 8px;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-edge);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

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

.page-contact .contact-time__caption {
  margin-top: 8px;
  color: var(--c-silver);
  font-size: 13px;
  text-align: right;
}

.page-contact .timeline {
  display: flex;
  flex-direction: column;
}

.page-contact .timeline__item {
  position: relative;
  padding: 0 0 26px 28px;
  border-left: 1px solid var(--c-edge);
}

.page-contact .timeline__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .timeline__mark {
  position: absolute;
  left: -6px;
  top: 2px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-primary);
  box-shadow: 0 0 10px rgba(0, 168, 255, .7);
}

.page-contact .timeline__mark--neon {
  background: var(--c-neon);
  box-shadow: 0 0 12px rgba(57, 255, 20, .7);
}

.page-contact .timeline__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-contact .timeline__time {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary);
}

.page-contact .timeline__title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.page-contact .timeline__body p {
  margin: 0;
  color: var(--c-silver);
  font-size: .92rem;
  line-height: 1.65;
}

/* ===== 回复时效 ===== */
.page-contact .contact-response {
  padding: 56px 0 64px;
  background: linear-gradient(180deg, var(--c-bg-deep), var(--c-bg));
  border-block: 1px solid var(--c-edge);
}

.page-contact .contact-response__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .page-contact .contact-response__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-contact .data-panel {
  padding: 20px;
  min-height: 148px;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-edge);
}

.page-contact .data-panel__value {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--c-white);
}

/* ===== 技术支持反馈 ===== */
.page-contact .contact-feedback {
  padding: 64px 0 80px;
}

.page-contact .contact-feedback__grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 768px) {
  .page-contact .contact-feedback__grid {
    grid-template-columns: 1.2fr .8fr;
    align-items: start;
  }
}

.page-contact .contact-feedback__steps {
  padding: 20px 12px;
  background: var(--c-panel);
  border: 1px solid var(--c-edge);
}

.page-contact .route-index {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .route-index__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 12px;
}

.page-contact .route-index__item + .route-index__item {
  border-top: 1px solid var(--c-edge);
}

.page-contact .route-index__no {
  flex: 0 0 32px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  color: var(--c-primary);
}

.page-contact .route-index__item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
}

.page-contact .route-index__item p {
  margin: 0;
  color: var(--c-silver);
  font-size: .92rem;
  line-height: 1.6;
}

.page-contact .contact-feedback__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .contact-feedback__card {
  padding: 24px;
  background: var(--c-bg-deep);
  border: 1px solid var(--c-edge);
}

.page-contact .contact-feedback__card h3 {
  margin: 12px 0 8px;
  font-size: 1.15rem;
}

.page-contact .contact-feedback__card p {
  margin-bottom: 16px;
  color: var(--c-silver);
  font-size: .92rem;
  line-height: 1.65;
}

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

.page-contact .contact-feedback__links a {
  color: var(--c-primary);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 1px solid rgba(0, 168, 255, .3);
}

.page-contact .contact-feedback__links a:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
}

/* ===== 桌面端整体节奏 ===== */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 72px 0 88px;
  }

  .page-contact .contact-hero__inner {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 48px;
    align-items: center;
  }

  .page-contact .contact-hero__copy {
    gap: 20px;
  }

  .page-contact .contact-hero__panel {
    justify-self: end;
  }

  .page-contact .contact-channels {
    padding: 88px 0 72px;
  }

  .page-contact .contact-guide {
    padding: 72px 0 80px;
  }

  .page-contact .contact-trust {
    padding: 32px 0 88px;
  }

  .page-contact .contact-time {
    padding: 88px 0 80px;
  }

  .page-contact .contact-response {
    padding: 72px 0 88px;
  }

  .page-contact .contact-feedback {
    padding: 88px 0 104px;
  }
}