.page-contact{
  --contact-glow: rgba(255,107,0,0.14);
  --contact-img-clip: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  background:
    radial-gradient(circle at 92% 0%, rgba(42,27,61,0.5), transparent 32%),
    transparent;
}

/* ===== 首屏分屏 ===== */
.contact-hero{
  padding: 36px 0 24px;
}
.contact-hero__inner{
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.contact-hero__eyebrow{
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0;
}
.contact-hero__title{
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.2rem, 9vw, 4.8rem);
  line-height: 1.02;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 14px 0 0;
}
.contact-hero__title-sub{
  display: block;
  font-family: var(--font-heading);
  font-size: 0.5em;
  font-weight: 400;
  color: var(--c-text-2);
  text-transform: none;
  letter-spacing: 0.05em;
  margin-top: 8px;
}
.contact-hero__lead{
  color: var(--c-text-2);
  font-size: 17px;
  line-height: 1.7;
  margin: 18px 0 0;
  max-width: 58ch;
}
.contact-hero__tags{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* 信息整理单（模拟表单，不参与提交） */
.contact-mock-form{
  margin-top: 28px;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  padding: 22px 20px 18px;
  box-shadow: var(--shadow-1);
}
.contact-mock-form__label{
  font-family: var(--font-heading);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-silver);
  margin: 0 0 8px;
}
.contact-mock-form__row{
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(31,42,58,0.7);
}
.contact-mock-form__key{
  font-size: 13px;
  color: var(--c-text-2);
  padding-top: 2px;
}
.contact-mock-form__value{
  font-size: 14px;
  color: var(--c-text);
  line-height: 1.5;
}
.contact-mock-form__note{
  font-size: 13px;
  color: var(--c-accent);
  margin: 14px 0 0;
}

/* 快速联系卡 */
.contact-hero__aside{
  display: flex;
}
.quick-contact{
  position: relative;
  width: 100%;
  background: linear-gradient(135deg, rgba(42,27,61,0.9), rgba(18,26,47,1));
  border: 1px solid rgba(255,107,0,0.35);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow-2);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.quick-contact__eyebrow{
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0;
}
.quick-contact__title{
  font-family: var(--font-heading);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0;
}
.quick-contact__row{
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--c-line);
}
.quick-contact__row-label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-2);
}
.quick-contact__row-value{
  font-size: 17px;
  color: var(--c-text);
  word-break: break-all;
  font-weight: 500;
}
.quick-contact__time{
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid rgba(31,42,58,0.8);
}
.quick-contact__num{
  font-family: var(--font-heading);
  font-size: 5rem;
  line-height: 0.9;
  color: var(--c-accent);
}
.quick-contact__unit{
  font-family: var(--font-heading);
  font-size: 1.05rem;
  text-transform: uppercase;
  color: var(--c-text-2);
}

/* ===== 章节通用 ===== */
.contact-section{
  padding: 56px 0 28px;
}
.contact-section__head{
  margin-bottom: 28px;
}
.contact-section__heading{
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  font-weight: 600;
  text-transform: uppercase;
  margin: 14px 0 0;
}
.contact-section__desc{
  color: var(--c-text-2);
  line-height: 1.7;
  margin: 12px 0 0;
  max-width: 62ch;
}

/* ===== 01 客服渠道 ===== */
.contact-channels{
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.contact-channel-card{
  position: relative;
  padding: 26px 24px;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  transition: transform .2s ease, border-color .2s ease;
}
.contact-channel-card:hover{
  transform: translateY(-3px);
  border-color: rgba(255,107,0,0.4);
}
.contact-channel-card__icon{
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  color: var(--c-accent);
  margin-bottom: 16px;
}
.contact-channel-card__label{
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-2);
  margin: 0;
}
.contact-channel-card__value{
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--c-text);
  margin: 8px 0 0;
  word-break: break-all;
}
.contact-channel-card__text{
  color: var(--c-text-2);
  font-size: 14px;
  line-height: 1.6;
  margin: 16px 0 12px;
}

/* ===== 02 响应承诺 ===== */
.contact-response{
  padding: 56px 0 28px;
}
.contact-response__inner{
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.contact-response__visual{
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 320px;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-line);
  padding: 24px;
  overflow: hidden;
}
.contact-response__visual::before{
  content: "";
  position: absolute;
  width: min(280px, 78%);
  aspect-ratio: 1;
  border: 2px solid rgba(255,107,0,0.18);
  border-top-color: var(--c-accent);
  border-radius: 50%;
  animation: contactSpin 16s linear infinite;
}
@keyframes contactSpin{
  to{
    transform: rotate(360deg);
  }
}
.contact-response__clock{
  position: relative;
  width: min(280px, 78%);
  height: auto;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(255,107,0,0.18), 0 0 46px rgba(255,107,0,0.12);
}
.contact-response__copy{
  display: grid;
  gap: 18px;
  align-content: start;
}
.contact-response__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.contact-response__item{
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 16px;
  border-left: 3px solid var(--c-accent);
  background: rgba(18,26,47,0.7);
}
.contact-response__item-num{
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--c-accent);
  white-space: nowrap;
}
.contact-response__item-text{
  color: var(--c-text-2);
  font-size: 15px;
}
.contact-response__note{
  font-size: 14px;
  color: var(--c-text-2);
  margin: 0;
}

/* ===== 03 联系地址 ===== */
.contact-address{
  padding: 56px 0 28px;
}
.contact-address__inner{
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.contact-address__place{
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 500;
  color: var(--c-text);
  margin: 18px 0 0;
  letter-spacing: 0.02em;
}
.contact-address__desc{
  color: var(--c-text-2);
  line-height: 1.7;
  margin: 12px 0 0;
  max-width: 58ch;
}
.contact-address__meta{
  margin-top: 20px;
  display: grid;
  gap: 12px;
}
.contact-address__meta p{
  margin: 0;
  padding: 14px 16px;
  background: rgba(18,26,47,0.7);
  color: var(--c-text-2);
  font-size: 15px;
  line-height: 1.65;
}
.contact-address__meta strong{
  display: block;
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-accent);
}
.contact-address__map{
  margin: 0;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-line);
  padding: 16px;
  clip-path: var(--contact-img-clip);
}
.contact-address__map img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9);
}
.contact-address__map-caption{
  font-size: 13px;
  color: var(--c-text-2);
  line-height: 1.6;
  margin: 12px 0 0;
}

/* ===== 04 反馈前准备 ===== */
.contact-prep{
  padding: 56px 0 72px;
}
.contact-prep__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}
.contact-prep__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.contact-prep__item{
  position: relative;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-line);
  padding: 20px 20px 20px 72px;
}
.contact-prep__num{
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-heading);
  font-size: 2.1rem;
  line-height: 1;
  color: var(--c-accent);
}
.contact-prep__title{
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 6px;
}
.contact-prep__text{
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text-2);
  margin: 0;
}
.contact-prep__side{
  padding: 24px;
  background: var(--c-bg-panel);
  border: 1px solid var(--c-line);
}
.contact-prep__side-title{
  font-family: var(--font-heading);
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-silver);
  margin: 0 0 12px;
}
.contact-prep__side-text{
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-2);
  margin: 14px 0 10px;
}
.contact-prep__link{
  display: block;
  width: 100%;
  text-align: center;
}
.contact-prep__link + .contact-prep__side-text{
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
}

/* ===== 桌面端布局 ===== */
@media (min-width: 900px){
  .contact-hero{
    padding: 56px 0 40px;
  }
  .contact-hero__inner{
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
    gap: 64px;
    align-items: stretch;
  }
  .contact-hero__copy{
    padding-top: 8px;
  }
  .contact-hero__title{
    font-size: clamp(3rem, 6vw, 5.4rem);
  }
  .contact-hero__aside{
    align-items: stretch;
  }

  .contact-section{
    padding: 76px 0 40px;
  }
  .contact-channels{
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .contact-response{
    padding: 76px 0 40px;
  }
  .contact-response__inner{
    grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
    gap: 56px;
    align-items: center;
  }
  .contact-response__visual{
    min-height: 440px;
  }

  .contact-address{
    padding: 76px 0 40px;
  }
  .contact-address__inner{
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
    gap: 56px;
    align-items: center;
  }
  .contact-address__map{
    padding: 20px;
  }

  .contact-prep{
    padding: 76px 0 104px;
  }
  .contact-prep__grid{
    grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
    gap: 48px;
  }
}