.page-contact {
  --contact-gold-opacity: rgba(201, 169, 97, 0.28);
  --contact-line: rgba(245, 241, 232, 0.14);
  --contact-line-strong: rgba(201, 169, 97, 0.5);
  --contact-card-radius: 18px;
  --contact-space: clamp(36px, 6vw, 88px);
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .page-container {
  max-width: var(--content-max, 1200px);
  margin: 0 auto;
  padding-left: var(--gutter, 24px);
  padding-right: var(--gutter, 24px);
  width: 100%;
}

.page-contact ul,
.page-contact ol,
.page-contact dl,
.page-contact dd {
  margin: 0;
  padding: 0;
}

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

/* ===== 首屏框景英雄区 ===== */
.page-contact .contact-hero {
  position: relative;
  background: #081936;
  padding-top: clamp(32px, 6vw, 64px);
  padding-bottom: clamp(40px, 7vw, 90px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 58%;
  height: 100%;
  background:
    linear-gradient(135deg, transparent 0%, transparent 42%, rgba(201, 169, 97, 0.07) 42.5%, rgba(201, 169, 97, 0.07) 43.5%, transparent 44%),
    linear-gradient(135deg, transparent 0%, transparent 62%, rgba(18, 51, 102, 0.9) 62.5%, rgba(18, 51, 102, 0.9) 100%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-gold, #C9A961) 0%, var(--c-gold-bright, #E3C77E) 30%, transparent 70%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: clamp(28px, 5vw, 48px);
}

.page-contact .contact-hero__copy {
  max-width: 660px;
}

.page-contact .contact-hero__title {
  font-family: var(--f-display, "Archivo Black", "Noto Sans SC", sans-serif);
  font-size: clamp(34px, 5.4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--t-1, #F5F1E8);
  margin: 14px 0 20px;
}

.page-contact .contact-hero__lead {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--t-2, rgba(245, 241, 232, 0.66));
  line-height: 1.9;
  max-width: 56ch;
}

.page-contact .contact-hero__note {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 13px;
  color: var(--t-3, rgba(245, 241, 232, 0.42));
  line-height: 1.7;
  border-left: 2px solid var(--c-gold, #C9A961);
  padding-left: 14px;
  margin-top: 18px;
  max-width: 52ch;
}

.page-contact .contact-hero__dial {
  display: none;
  position: absolute;
  right: 4vw;
  top: 50%;
  transform: translateY(-50%);
  width: 148px;
  height: 148px;
  border: 1px solid rgba(201, 169, 97, 0.4);
  border-radius: 50%;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.08) 0%, transparent 70%);
}

.page-contact .contact-hero__dial-num {
  font-family: var(--f-mono, "IBM Plex Mono", monospace);
  font-size: 40px;
  color: var(--c-gold, #C9A961);
  line-height: 1;
}

.page-contact .contact-hero__dial-arc {
  display: block;
  width: 52px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold, #C9A961), transparent);
  margin: 8px 0;
}

.page-contact .contact-hero__dial-txt {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--t-2, rgba(245, 241, 232, 0.66));
  line-height: 1.5;
  text-transform: uppercase;
}

/* ===== 主内容区 ===== */
.page-contact .contact-main {
  background:
    linear-gradient(180deg, #0A1F44 0%, #081936 100%);
  padding: var(--contact-space) 0 clamp(40px, 6vw, 90px);
  position: relative;
}

.page-contact .contact-main::before {
  content: "";
  position: absolute;
  top: 120px;
  right: 0;
  width: 28%;
  height: 420px;
  background-image:
    repeating-linear-gradient(
      -55deg,
      rgba(201, 169, 97, 0.025) 0px,
      rgba(201, 169, 97, 0.025) 1px,
      transparent 1px,
      transparent 9px
    );
  pointer-events: none;
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  position: relative;
  z-index: 1;
}

/* ===== 侧栏卡片 ===== */
.page-contact .contact-grid__aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-contact .contact-card {
  background: linear-gradient(160deg, #123366 0%, #0A1F44 100%);
  border: 1px solid rgba(201, 169, 97, 0.28);
  border-radius: var(--contact-card-radius);
  padding: clamp(24px, 4vw, 34px);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 169, 97, 0.6), transparent);
  pointer-events: none;
}

.page-contact .contact-card__label {
  font-family: var(--f-mono, "IBM Plex Mono", monospace);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-gold, #C9A961);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.page-contact .contact-card__title {
  font-family: var(--f-display, "Archivo Black", "Noto Sans SC", sans-serif);
  font-size: 22px;
  color: var(--t-1, #F5F1E8);
  margin: 0 0 28px;
  letter-spacing: -0.01em;
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-contact .contact-channel__item {
  border-bottom: 1px solid var(--contact-line);
  padding-bottom: 18px;
}

.page-contact .contact-channel__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .contact-channel__term {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 12px;
  font-weight: 500;
  color: var(--t-3, rgba(245, 241, 232, 0.42));
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.page-contact .contact-channel__desc {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .contact-channel__link {
  font-family: var(--f-mono, "IBM Plex Mono", monospace);
  font-size: clamp(17px, 2vw, 21px);
  color: var(--c-gold-bright, #E3C77E);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.25s ease;
}

.page-contact .contact-channel__link:hover {
  color: var(--c-gold, #C9A961);
}

.page-contact .contact-channel__addr {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 18px;
  font-weight: 500;
  color: var(--t-1, #F5F1E8);
  line-height: 1.5;
}

.page-contact .contact-channel__usage {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 13px;
  color: var(--t-3, rgba(245, 241, 232, 0.42));
  line-height: 1.6;
}

/* ===== 抽象地图 ===== */
.page-contact .contact-map {
  position: relative;
  margin-top: 28px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(201, 169, 97, 0.22);
}

.page-contact .contact-map__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .contact-map__pin {
  position: absolute;
  left: 50%;
  top: 46%;
  width: 48px;
  height: 48px;
  color: var(--c-red, #E02F2F);
  transform: translate(-50%, -80%);
  animation: contact-pin-bounce 2.4s ease-in-out infinite;
  transition: color 0.3s ease;
  pointer-events: none;
}

.page-contact .contact-map__pin circle {
  stroke: rgba(245, 241, 232, 0.85);
}

.page-contact .contact-map:hover .contact-map__pin {
  color: var(--c-gold-bright, #E3C77E);
}

@keyframes contact-pin-bounce {
  0%, 100% { transform: translate(-50%, -80%); }
  50% { transform: translate(-50%, -100%); }
}

.page-contact .contact-index {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(18, 51, 102, 0.55);
  border: 1px dashed rgba(201, 169, 97, 0.32);
  border-radius: 12px;
  padding: 18px 22px;
  text-decoration: none;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.page-contact .contact-index__text {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 14px;
  color: var(--t-2, rgba(245, 241, 232, 0.66));
}

.page-contact .contact-index__arrow {
  font-family: var(--f-mono, "IBM Plex Mono", monospace);
  font-size: 18px;
  color: var(--c-gold, #C9A961);
  transition: transform 0.3s ease;
}

.page-contact .contact-index:hover {
  background: rgba(18, 51, 102, 0.85);
  border-color: var(--c-gold, #C9A961);
}

.page-contact .contact-index:hover .contact-index__arrow {
  transform: translateX(5px);
}

/* ===== 右侧主内容 ===== */
.page-contact .contact-grid__main {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 5vw, 48px);
  min-width: 0;
}

/* ===== 服务承诺 ===== */
.page-contact .contact-support {
  background: linear-gradient(180deg, rgba(18, 51, 102, 0.75) 0%, rgba(10, 31, 68, 0.9) 100%);
  border: 1px solid rgba(201, 169, 97, 0.2);
  border-radius: var(--contact-card-radius);
  padding: clamp(24px, 4vw, 36px);
}

.page-contact .contact-support__header {
  margin-bottom: 28px;
}

.page-contact .contact-support__title,
.page-contact .contact-feedback__title,
.page-contact .contact-help__title {
  font-family: var(--f-display, "Archivo Black", "Noto Sans SC", sans-serif);
  font-size: clamp(24px, 3.2vw, 32px);
  color: var(--t-1, #F5F1E8);
  margin: 8px 0 0;
  letter-spacing: -0.01em;
}

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

.page-contact .support-item {
  position: relative;
  background: rgba(10, 31, 68, 0.6);
  border: 1px solid rgba(245, 241, 232, 0.08);
  border-radius: 14px;
  padding: 22px 22px 22px 28px;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.page-contact .support-item:hover {
  border-color: var(--contact-line-strong);
  background: rgba(10, 31, 68, 0.9);
}

.page-contact .support-item__num {
  font-family: var(--f-mono, "IBM Plex Mono", monospace);
  font-size: 12px;
  color: var(--c-gold, #C9A961);
  position: absolute;
  left: 12px;
  top: 24px;
  opacity: 0.7;
}

.page-contact .support-item__title {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--t-1, #F5F1E8);
  margin: 0 0 8px;
  letter-spacing: 0;
}

.page-contact .support-item__text {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 14px;
  line-height: 1.75;
  color: var(--t-2, rgba(245, 241, 232, 0.66));
  margin: 0;
}

/* ===== 反馈表单 ===== */
.page-contact .contact-feedback {
  background: #F5F1E8;
  border-radius: var(--contact-card-radius);
  padding: clamp(24px, 4vw, 40px);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-feedback::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  background:
    linear-gradient(135deg, transparent 0%, transparent 48%, rgba(201, 169, 97, 0.35) 49%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(201, 169, 97, 0.4) 0%, transparent 55%);
  pointer-events: none;
}

.page-contact .contact-feedback__head {
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.page-contact .contact-feedback__title {
  color: #0A1F44;
}

.page-contact .contact-feedback__desc {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 14px;
  color: #415070;
  line-height: 1.8;
  margin: 12px 0 0;
  max-width: 60ch;
}

.page-contact .contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.page-contact .contact-form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .contact-form__label {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 13px;
  font-weight: 600;
  color: #0A1F44;
  letter-spacing: 0.02em;
}

.page-contact .contact-form__input {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 15px;
  color: #0A1F44;
  background: #FFFFFF;
  border: 1px solid #D8D2C6;
  border-radius: 10px;
  padding: 12px 16px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  width: 100%;
  appearance: none;
}

.page-contact .contact-form__input:focus {
  outline: none;
  border-color: var(--c-gold, #C9A961);
  box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.18);
}

.page-contact .contact-form__input::placeholder {
  color: #A9A493;
}

.page-contact .contact-form__input:user-invalid {
  border-color: var(--c-red, #E02F2F);
}

.page-contact .contact-form__error {
  font-size: 12px;
  color: var(--c-red, #E02F2F);
  display: none;
}

.page-contact .contact-form__imgsrc {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 13px;
  color: #7A7F98;
  background: #EFEBE3;
  border-left: 3px solid var(--c-gold, #C9A961);
  border-radius: 0 8px 8px 0;
  padding: 10px 14px;
  line-height: 1.7;
  margin: 0;
}

.page-contact .contact-form__submit {
  align-self: flex-start;
  min-width: 160px;
  cursor: pointer;
}

/* ===== 帮助中心入口 ===== */
.page-contact .contact-help {
  background: linear-gradient(120deg, #1D4A3E 0%, #0F2F27 100%);
  border-radius: var(--contact-card-radius);
  padding: clamp(24px, 4vw, 36px);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-help::after {
  content: "FAQ";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-display, "Archivo Black", sans-serif);
  font-size: clamp(56px, 8vw, 96px);
  color: rgba(245, 241, 232, 0.04);
  letter-spacing: -0.03em;
  line-height: 1;
  pointer-events: none;
}

.page-contact .contact-help__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.page-contact .contact-help__copy {
  max-width: 520px;
}

.page-contact .contact-help__title {
  color: var(--t-1, #F5F1E8);
}

.page-contact .contact-help__text {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 14px;
  color: rgba(245, 241, 232, 0.66);
  line-height: 1.8;
  margin: 12px 0 0;
  max-width: 50ch;
}

/* ===== 服务信息卡片 ===== */
.page-contact .contact-service-card {
  display: grid;
  grid-template-columns: 1fr;
  border-radius: var(--contact-card-radius);
  overflow: hidden;
  border: 1px solid rgba(201, 169, 97, 0.28);
  background: #123366;
}

.page-contact .contact-service-card__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  max-height: 300px;
}

.page-contact .contact-service-card__body {
  padding: clamp(24px, 4vw, 36px);
}

.page-contact .contact-service-card__overline {
  font-family: var(--f-mono, "IBM Plex Mono", monospace);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-gold, #C9A961);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.page-contact .contact-service-card__title {
  font-family: var(--f-display, "Archivo Black", "Noto Sans SC", sans-serif);
  font-size: clamp(20px, 2.6vw, 28px);
  color: var(--t-1, #F5F1E8);
  margin: 0 0 24px;
  letter-spacing: -0.01em;
}

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

.page-contact .contact-service-card__row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  background: rgba(10, 31, 68, 0.5);
  border-radius: 10px;
  padding: 14px 18px;
}

.page-contact .contact-service-card__row dt {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 13px;
  color: var(--t-3, rgba(245, 241, 232, 0.42));
  font-weight: 500;
}

.page-contact .contact-service-card__row dd {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 14px;
  color: var(--t-1, #F5F1E8);
  line-height: 1.5;
  text-align: right;
}

/* ===== 返回首页 ===== */
.page-contact .contact-home-return {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(18, 51, 102, 0.45);
  border: 1px solid rgba(245, 241, 232, 0.1);
  border-radius: 14px;
  padding: 20px 24px;
  text-decoration: none;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.page-contact .contact-home-return__text {
  font-family: var(--f-body, "Noto Sans SC", sans-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--t-1, #F5F1E8);
}

.page-contact .contact-home-return__arrow {
  font-family: var(--f-mono, "IBM Plex Mono", monospace);
  font-size: 20px;
  color: var(--c-gold, #C9A961);
  transition: transform 0.3s ease;
}

.page-contact .contact-home-return:hover {
  background: rgba(18, 51, 102, 0.8);
  border-color: var(--c-gold, #C9A961);
}

.page-contact .contact-home-return:hover .contact-home-return__arrow {
  transform: translateX(5px);
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-contact .contact-hero__dial {
    display: flex;
  }

  .page-contact .contact-hero__copy {
    padding-right: 160px;
  }

  .page-contact .contact-grid {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
  }

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

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

  .page-contact .contact-service-card {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-service-card__img {
    height: 100%;
    max-height: none;
    object-fit: cover;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__inner {
    padding-left: calc(var(--gutter, 48px) + 8px);
  }

  .page-contact .contact-grid {
    grid-template-columns: 4fr 8fr;
    gap: 48px;
  }

  .page-contact .contact-support {
    padding: 40px;
  }

  .page-contact .contact-feedback {
    padding: 44px;
  }

  .page-contact .contact-support__grid {
    grid-template-columns: 1fr 1fr;
  }
}