.page-contact {
  background: var(--night);
  color: var(--chalk);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 5vw, 44px) 0 clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.24;
  filter: saturate(0.72) contrast(1.06);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(155deg, rgba(7, 26, 21, 0.94) 0%, rgba(16, 22, 20, 0.82) 52%, rgba(7, 26, 21, 0.97) 100%),
    repeating-linear-gradient(118deg, rgba(200, 255, 61, 0.07) 0 2px, transparent 2px 30px);
}

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

.page-contact .breadcrumb {
  margin: 0 0 clamp(20px, 4vw, 34px);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .breadcrumb__list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-contact .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact h1 {
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.7;
  color: rgba(243, 246, 234, 0.84);
}

.page-contact .contact-quick {
  display: grid;
  gap: 0;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(143, 168, 155, 0.25);
}

.page-contact .contact-quick__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(143, 168, 155, 0.16);
}

.page-contact .contact-quick__label {
  flex: 0 0 84px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .contact-quick__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 700;
  color: var(--lime);
  word-break: break-word;
}

/* ---------- 联系卡 + 表单 ---------- */
.page-contact .contact-main {
  display: grid;
  gap: 18px;
  padding-block: clamp(30px, 5vw, 54px);
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(22px, 4vw, 34px);
  background: linear-gradient(152deg, var(--panel) 0%, #0c211a 100%);
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--cut);
  width: 58px;
  height: 3px;
  background: var(--lime);
}

.page-contact .contact-card__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .contact-card h2 {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.page-contact .contact-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-contact .contact-card__row {
  display: grid;
  gap: 5px;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-contact .contact-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.4vw, 21px);
  font-weight: 700;
  color: var(--lime);
  word-break: break-word;
}

.page-contact .contact-card__value--addr {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--chalk);
  line-height: 1.5;
}

.page-contact .contact-card__hint {
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(243, 246, 234, 0.66);
}

.page-contact .contact-card__note {
  margin: clamp(20px, 3vw, 26px) 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(143, 168, 155, 0.32);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* 表单面板 */
.page-contact .feedback {
  padding: clamp(22px, 4vw, 32px);
  background: var(--stand);
  border: 1px solid var(--line);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%
  );
}

.page-contact .feedback__head {
  margin-bottom: clamp(18px, 3vw, 24px);
}

.page-contact .feedback__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-contact .feedback h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.page-contact .feedback__lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(243, 246, 234, 0.7);
}

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

.page-contact .field {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.page-contact .field--chips {
  position: relative;
}

.page-contact .field__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .field__input {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--chalk);
  background: rgba(7, 26, 21, 0.85);
  border: 1px solid var(--line);
  border-radius: 12px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .field__input::placeholder {
  color: rgba(143, 168, 155, 0.72);
}

.page-contact .field__input:hover {
  border-color: rgba(77, 216, 192, 0.42);
}

.page-contact .field__input:focus-visible {
  outline: none;
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 61, 0.18);
}

.page-contact .field__input--area {
  resize: vertical;
  min-height: 118px;
}

.page-contact .field__hint {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}

.page-contact .type-chips {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .type-chips__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .type-chips__label {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  font-size: 13.5px;
  line-height: 1.2;
  color: var(--orange);
  border: 1px solid rgba(255, 138, 61, 0.45);
  border-radius: var(--pill);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .type-chips__label:hover {
  border-color: var(--orange);
}

.page-contact .type-chips__input:checked + .type-chips__label {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
  font-weight: 700;
}

.page-contact .type-chips__input:focus-visible + .type-chips__label {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .feedback__note {
  margin: clamp(18px, 3vw, 24px) 0 0;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(243, 246, 234, 0.78);
  background: rgba(27, 46, 39, 0.7);
  border-left: 3px solid var(--lime);
}

.page-contact .feedback__mail {
  font-family: var(--font-mono);
  color: var(--lime);
  word-break: break-word;
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding-block: clamp(34px, 6vw, 64px);
}

.page-contact .section-head {
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-contact .section-index {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .section-head h2,
.page-contact .contact-hours h2,
.page-contact .contact-flow h2 {
  margin: 0 0 12px;
  font-size: clamp(23px, 3.8vw, 36px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

/* ---------- 四类反馈 ---------- */
.page-contact .contact-types {
  border-top: 1px solid var(--line);
}

.page-contact .contact-types__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(243, 246, 234, 0.72);
}

.page-contact .type-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .type-list__item {
  position: relative;
  padding: clamp(18px, 3vw, 24px);
  background: rgba(27, 46, 39, 0.42);
  border-top: 1px solid rgba(143, 168, 155, 0.18);
  border-left: 3px solid var(--line);
  transition: border-left-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .type-list__item:hover {
  border-left-color: var(--orange);
  background: rgba(27, 46, 39, 0.66);
}

.page-contact .type-list__item h3 {
  margin: 12px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--chalk);
}

.page-contact .type-list__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(243, 246, 234, 0.72);
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow.section--band {
  background: linear-gradient(180deg, rgba(18, 59, 49, 0.55) 0%, rgba(7, 26, 21, 0.9) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-flow__grid {
  display: grid;
  gap: clamp(20px, 3.5vw, 36px);
  align-items: start;
}

.page-contact .contact-flow__media {
  overflow: hidden;
  border-radius: 4px;
}

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

.page-contact .flow-steps {
  display: grid;
  gap: 16px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-contact .flow-steps__item {
  display: flex;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(143, 168, 155, 0.26);
}

.page-contact .flow-steps__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .flow-steps__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--lime);
  line-height: 1.2;
}

.page-contact .flow-steps h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--chalk);
}

.page-contact .flow-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(243, 246, 234, 0.72);
}

.page-contact .contact-flow__tip {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-flow__tip a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 216, 192, 0.45);
}

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

/* ---------- 合作与投稿 ---------- */
.page-contact .collab__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(243, 246, 234, 0.72);
}

.page-contact .collab-grid {
  display: grid;
  gap: 12px;
}

.page-contact .collab-item {
  padding: clamp(16px, 3vw, 22px);
  background: rgba(16, 22, 20, 0.9);
  border: 1px solid var(--line);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.page-contact .collab-item::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 70px;
  height: 70px;
  border: 1px solid rgba(255, 138, 61, 0.28);
  transform: rotate(45deg);
}

.page-contact .collab-item__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
  border: 1px solid rgba(255, 138, 61, 0.5);
}

.page-contact .collab-item h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--chalk);
}

.page-contact .collab-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(243, 246, 234, 0.7);
}

/* ---------- 服务时间 ---------- */
.page-contact .contact-hours {
  background: var(--stand);
  border-top: 1px solid var(--line);
}

.page-contact .contact-hours__inner {
  display: grid;
  gap: clamp(20px, 3.4vw, 32px);
}

.page-contact .contact-hours__main p {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(243, 246, 234, 0.74);
}

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

.page-contact .hours-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 12px 14px;
  background: rgba(27, 46, 39, 0.6);
  border-left: 3px solid var(--cyan);
}

.page-contact .hours-list__num {
  flex: 0 0 92px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .hours-list__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--chalk);
}

/* ---------- 快捷链接 ---------- */
.page-contact .contact-links {
  border-top: 1px solid var(--line);
}

.page-contact .contact-links__lead {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(243, 246, 234, 0.72);
}

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

.page-contact .quick-links__item {
  display: block;
  padding: 14px 18px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--chalk);
  text-decoration: none;
  background: rgba(27, 46, 39, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .quick-links__item:hover,
.page-contact .quick-links__item:focus-visible {
  background: rgba(200, 255, 61, 0.1);
  border-color: var(--lime);
  color: var(--lime);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 0;
  }

  .page-contact .contact-quick__item {
    flex-direction: column;
    gap: 6px;
    padding: 0 18px;
    border-bottom: 0;
    border-left: 1px solid rgba(143, 168, 155, 0.22);
  }

  .page-contact .contact-quick__item:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .contact-quick__label {
    flex: none;
  }

  .page-contact .type-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .collab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .quick-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-main {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 22px;
    align-items: start;
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-contact .contact-hours__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact h1 {
    max-width: 16ch;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .field__input,
  .page-contact .type-chips__label,
  .page-contact .type-list__item,
  .page-contact .quick-links__item {
    transition: none;
  }
}
<<<END>>>