.page-contact {
  --pc-shadow: 0 18px 40px -28px rgba(34, 56, 59, 0.55);
  --pc-hair: rgba(169, 190, 188, 0.6);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-contact .contact-hero {
  position: relative;
  padding: clamp(28px, 6vw, 56px) 0 clamp(32px, 5vw, 56px);
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--gold) 0%, var(--signal) 42%, transparent 100%) 1;
}

.page-contact .contact-coord {
  color: var(--brick-mid);
  letter-spacing: 0.18em;
  margin-bottom: 18px;
}

.page-contact .contact-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.2vw, 68px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--brick-deep);
  margin: 0 0 22px;
  max-width: 16em;
}

.page-contact .contact-lede {
  max-width: 34em;
  color: var(--ink);
}

/* 联系渠道 */
.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(40px, 6vw, 72px);
}

.page-contact .channels-main {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
}

.page-contact .channel-block {
  position: relative;
  padding: clamp(20px, 3.4vw, 32px) clamp(18px, 3.4vw, 34px);
  background: var(--paper-deep);
  clip-path: var(--edge-cut);
}

.page-contact .channel-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--brick-mid);
  margin: 0 0 14px;
}

.page-contact .channel-mail,
.page-contact .channel-phone {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 5.4vw, 46px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--brick-deep);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 6px;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .channel-phone {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

.page-contact .channel-mail:hover,
.page-contact .channel-mail:focus-visible,
.page-contact .channel-phone:hover,
.page-contact .channel-phone:focus-visible {
  color: var(--signal-deep);
  border-color: var(--signal);
}

.page-contact .channel-note {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--brick);
  margin: 14px 0 0;
  max-width: 34em;
}

.page-contact .address-card {
  position: relative;
  padding: clamp(24px, 3.6vw, 34px);
  background: var(--brick-deep);
  color: var(--paper);
  clip-path: var(--edge-cut);
  box-shadow: var(--pc-shadow);
}

.page-contact .address-pin {
  width: 44px;
  height: 44px;
  display: block;
  margin-bottom: 16px;
}

.page-contact .address-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
  margin: 0 0 10px;
}

.page-contact .address-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3.6vw, 26px);
  line-height: 1.45;
  margin: 0;
  color: var(--paper);
}

.page-contact .address-card .channel-note {
  color: var(--brick-mist);
  margin-top: 12px;
}

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

.page-contact .contact-figure .figure-media {
  position: relative;
  overflow: hidden;
  clip-path: var(--edge-cut);
  background: var(--paper-deep);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.02);
}

.page-contact .contact-figure .figure-tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(246, 241, 231, 0.94);
  color: var(--brick-deep);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 7px 12px;
}

/* 章节头微调 */
.page-contact .section-index {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  margin-bottom: 10px;
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--brick-deep);
  margin: 0 0 10px;
}

.page-contact .section-kicker {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--brick-mid);
  margin: 0;
  max-width: 34em;
}

/* 合作方式 */
.page-contact .coop-list {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .coop-item {
  background: var(--paper);
  border-left: 4px solid var(--brick-mist);
  box-shadow: inset 0 0 0 1px var(--pc-hair);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-contact .coop-item[open] {
  border-left-color: var(--signal);
  background: var(--paper-deep);
}

.page-contact .coop-summary {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num name"
    "num hint";
  align-items: center;
  gap: 2px 16px;
  padding: clamp(16px, 3vw, 24px) clamp(16px, 3vw, 28px);
  cursor: pointer;
  list-style: none;
}

.page-contact .coop-summary::-webkit-details-marker {
  display: none;
}

.page-contact .coop-num {
  grid-area: num;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-contact .coop-item[open] .coop-num {
  color: var(--signal);
}

.page-contact .coop-name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 3vw, 23px);
  color: var(--brick-deep);
  letter-spacing: -0.01em;
}

.page-contact .coop-hint {
  grid-area: hint;
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--brick-mid);
}

.page-contact .coop-body {
  padding: 0 clamp(16px, 3vw, 28px) clamp(18px, 3vw, 26px) clamp(16px, 3vw, 28px);
  border-top: 2px solid var(--gold-soft);
  margin-top: 2px;
  padding-top: 16px;
}

.page-contact .coop-body p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  margin: 0 0 12px;
  max-width: 42em;
}

.page-contact .coop-body p:last-child {
  margin-bottom: 0;
}

.page-contact .coop-for {
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--brick) !important;
}

/* 合作流程 */
.page-contact .flow-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-contact .flow-step {
  position: relative;
  padding: 0 0 clamp(22px, 3.6vw, 32px) clamp(38px, 6vw, 58px);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: clamp(13px, 2vw, 18px);
  top: 34px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--brick-mist) 100%);
}

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

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

.page-contact .flow-num {
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
  line-height: 26px;
  width: clamp(28px, 4vw, 36px);
  text-align: center;
  color: var(--paper);
  background: var(--brick);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 50% 100%, 0 70%);
  font-variant-numeric: tabular-nums;
}

.page-contact .flow-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.8vw, 21px);
  color: var(--brick-deep);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.page-contact .flow-step p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  margin: 0;
  max-width: 36em;
}

.page-contact .flow-figure {
  margin: 0;
}

.page-contact .flow-figure .figure-media {
  position: relative;
  overflow: hidden;
  clip-path: var(--edge-cut);
  background: var(--paper-deep);
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.03);
}

.page-contact .flow-figure .figure-tag {
  position: absolute;
  right: 14px;
  top: 14px;
  background: var(--signal);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 7px 12px;
}

/* 邮件怎么写 */
.page-contact .mail-flow {
  margin-top: clamp(26px, 4vw, 40px);
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

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

.page-contact .mail-points li {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  padding-left: 18px;
  position: relative;
  max-width: 44em;
}

.page-contact .mail-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 9px;
  height: 2px;
  background: var(--gold);
}

.page-contact .mail-points strong {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--brick-deep);
}

.page-contact .mail-template {
  background: var(--brick-deep);
  color: var(--paper);
  clip-path: var(--edge-cut);
}

.page-contact .mail-template-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: clamp(16px, 3vw, 22px) clamp(18px, 3vw, 26px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--gold-soft);
  letter-spacing: 0.02em;
}

.page-contact .mail-template-toggle::-webkit-details-marker {
  display: none;
}

.page-contact .toggle-mark {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--gold-soft);
  border-radius: 50%;
}

.page-contact .toggle-mark::before,
.page-contact .toggle-mark::after {
  content: "";
  position: absolute;
  background: var(--gold-soft);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.page-contact .toggle-mark::before {
  width: 8px;
  height: 1.5px;
}

.page-contact .toggle-mark::after {
  width: 1.5px;
  height: 8px;
  transition: opacity 0.2s var(--ease);
}

.page-contact .mail-template[open] .toggle-mark::after {
  opacity: 0;
}

.page-contact .mail-template-body {
  padding: 0 clamp(18px, 3vw, 26px) clamp(20px, 3vw, 26px);
}

.page-contact .mail-pre {
  margin: 0 0 14px;
  padding: 16px;
  background: rgba(246, 241, 231, 0.08);
  border-left: 2px solid var(--signal);
  overflow-x: auto;
}

.page-contact .mail-pre code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--paper);
  white-space: pre;
}

.page-contact .mail-template-body .channel-note {
  color: var(--brick-mist);
  font-size: 14px;
  margin: 0;
}

/* 服务时间 */
.page-contact .hours-list {
  margin: clamp(24px, 4vw, 36px) 0 0;
  display: grid;
  gap: 2px;
}

.page-contact .hours-row {
  display: grid;
  gap: 6px;
  padding: 18px clamp(14px, 3vw, 24px);
  background: var(--paper-deep);
  border-left: 3px solid var(--gold);
}

.page-contact .hours-row:nth-child(even) {
  background: var(--paper);
  border-left-color: var(--brick-mist);
}

.page-contact .hours-row dt {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--brick);
}

.page-contact .hours-row dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 44em;
}

/* 常见场景 */
.page-contact .scene-list {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.6vw, 22px);
}

.page-contact .scene-item {
  position: relative;
  padding: clamp(18px, 3vw, 24px) clamp(18px, 3vw, 26px) clamp(18px, 3vw, 24px) clamp(24px, 4vw, 32px);
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--pc-hair);
  clip-path: var(--edge-cut);
}

.page-contact .scene-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--signal) 100%);
}

.page-contact .scene-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--brick-deep);
  background: var(--gold-soft);
  padding: 4px 10px;
  margin-bottom: 12px;
}

.page-contact .scene-text {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  margin: 0 0 10px;
  max-width: 40em;
}

.page-contact .scene-go {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.8;
  color: var(--brick-mid);
}

.page-contact .scene-go a {
  color: var(--signal-deep);
  text-decoration: none;
  border-bottom: 1.5px solid var(--gold-soft);
  padding-bottom: 1px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .scene-go a:hover,
.page-contact .scene-go a:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
}

/* 底部动作带 */
.page-contact .action-band {
  margin-top: clamp(48px, 7vw, 88px);
  padding: clamp(26px, 4vw, 44px) clamp(20px, 4vw, 44px);
  background: linear-gradient(120deg, var(--brick-deep) 0%, var(--brick) 62%, #2b4649 100%);
  color: var(--paper);
  clip-path: var(--edge-cut);
}

.page-contact .action-copy {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 3.4vw, 26px);
  line-height: 1.5;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  max-width: 24em;
  color: var(--paper);
}

.page-contact .action-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.page-contact .action-band .btn {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  padding: 13px 22px;
  text-decoration: none;
  display: inline-block;
  clip-path: var(--edge-cut);
}

.page-contact .action-note {
  margin: 0;
  color: var(--brick-mist);
  letter-spacing: 0.1em;
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-contact .channels {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
  }

  .page-contact .channels-main {
    grid-column: 1;
  }

  .page-contact .address-card {
    grid-column: 2;
    grid-row: 1;
  }

  .page-contact .contact-figure {
    grid-column: 1 / -1;
  }

  .page-contact .hours-row {
    grid-template-columns: 9em 1fr;
    align-items: baseline;
    gap: clamp(14px, 3vw, 32px);
  }

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

  .page-contact .mail-flow {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-contact .channels {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 3.4vw, 48px);
  }

  .page-contact .contact-figure {
    grid-column: 1 / -1;
  }

  .page-contact .coop-list {
    gap: 16px;
  }

  .page-contact .flow-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .flow-figure {
    margin-top: 26px;
  }

  .page-contact .scene-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .scene-item:nth-child(even) {
    margin-top: 26px;
  }

  .page-contact .action-band {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px 40px;
  }

  .page-contact .action-copy {
    margin: 0;
  }

  .page-contact .action-btns {
    margin: 0;
    justify-content: flex-end;
  }

  .page-contact .action-note {
    grid-column: 1 / -1;
    padding-top: 14px;
    border-top: 1px solid rgba(169, 190, 188, 0.28);
  }
}
<<<END>>>