.page-contact {
  --c-hair: rgba(232, 180, 90, 0.22);
  --c-body: rgba(244, 235, 221, 0.78);
  --c-brown-soft: rgba(38, 26, 18, 0.76);
  --c-line-dark: rgba(38, 26, 18, 0.16);
  background: var(--ink);
  color: var(--cream);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.page-contact h2 {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.22;
  color: var(--cream);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 4vw, 34px) 0 clamp(30px, 6vw, 62px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(232, 180, 90, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 180, 90, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
  margin-top: clamp(18px, 4vw, 34px);
}

.page-contact h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--cream);
}

.page-contact .hero-lede {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: var(--c-body);
}

.page-contact .hero-aside {
  align-self: end;
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid var(--c-hair);
  border-left: 2px solid var(--gold);
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-contact .hero-aside__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .hero-aside__num {
  margin: 10px 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 38px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-contact .hero-aside__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 章节头 ---------- */
.page-contact .sec-head {
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-contact .sec-head h2 {
  margin-top: 8px;
}

.page-contact .sec-head__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 渠道区 ---------- */
.page-contact .channels {
  padding: 0 0 clamp(30px, 6vw, 68px);
}

.page-contact .channels-visual {
  margin: 0 0 clamp(16px, 3vw, 26px);
  border: 1px solid var(--c-hair);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-hair);
  border: 1px solid var(--c-hair);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--ink-soft);
  transition: background 0.3s var(--ease);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--cyan);
  transition: height 0.4s var(--ease);
}

.page-contact .channel-card:hover {
  background: #161d24;
}

.page-contact .channel-card:hover::after {
  height: 100%;
}

.page-contact .channel-card__icon {
  display: inline-flex;
  width: 24px;
  height: 24px;
  color: var(--gold);
}

.page-contact .channel-card__icon svg {
  width: 24px;
  height: 24px;
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 19px);
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .copy-btn {
  align-self: flex-start;
  margin-top: auto;
  padding: 7px 14px;
  border: 1px solid rgba(232, 180, 90, 0.42);
  border-radius: var(--radius);
  background: transparent;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--brown);
  outline: none;
}

/* ---------- 提交建议区（奶油纸面） ---------- */
.page-contact .submit {
  padding: 0 0 clamp(30px, 6vw, 66px);
}

.page-contact .submit-block {
  padding: clamp(22px, 4.6vw, 52px);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--brown);
}

.page-contact .submit-block h2 {
  color: var(--brown);
}

.page-contact .submit-block .sec-head__note {
  color: var(--c-brown-soft);
}

.page-contact .submit-block .eyebrow {
  color: #7a5c2e;
}

.page-contact .submit-grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  align-items: start;
}

.page-contact .submit-visual {
  margin: 0;
  border: 1px solid var(--c-line-dark);
  background: rgba(38, 26, 18, 0.06);
}

.page-contact .submit-steps {
  display: grid;
  gap: 0;
}

.page-contact .step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--c-line-dark);
}

.page-contact .step:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .step__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  color: #7a5c2e;
}

.page-contact .step__body h3 {
  margin: 0 0 6px;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.4;
  color: var(--brown);
}

.page-contact .step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-brown-soft);
}

.page-contact .step__body a {
  color: #7a5c2e;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .step__body a:hover {
  color: var(--coral);
}

/* 邮件模板折叠 */
.page-contact .tpl {
  margin-top: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--c-line-dark);
  background: rgba(255, 255, 255, 0.5);
}

.page-contact .tpl summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: #7a5c2e;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .tpl summary::after {
  content: "+";
  font-size: 16px;
  line-height: 1;
  color: #7a5c2e;
}

.page-contact .tpl[open] summary::after {
  content: "−";
}

.page-contact .tpl__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--c-line-dark);
}

.page-contact .tpl__row {
  display: grid;
  gap: 4px;
  margin: 14px 0 0;
}

.page-contact .tpl__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: #7a5c2e;
}

.page-contact .tpl__v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--brown);
  overflow-wrap: anywhere;
}

/* ---------- 咨询主题标签 ---------- */
.page-contact .scope {
  padding: 0 0 clamp(30px, 6vw, 66px);
}

.page-contact .scope-list {
  display: grid;
  gap: clamp(10px, 1.8vw, 16px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .scope-list li {
  padding: clamp(14px, 2.4vw, 20px);
  border: 1px solid var(--c-hair);
  background: var(--glass);
}

.page-contact .tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 10px;
  border: 1px solid rgba(92, 225, 230, 0.4);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .scope-list li:nth-child(3n + 2) .tag {
  border-color: rgba(232, 180, 90, 0.45);
  color: var(--gold);
}

.page-contact .scope-list li:nth-child(3n) .tag {
  border-color: rgba(255, 122, 89, 0.45);
  color: var(--coral);
}

.page-contact .scope-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .scope-foot {
  margin: clamp(16px, 3vw, 24px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .partners {
  padding: 0 0 clamp(30px, 6vw, 66px);
}

.page-contact .partner-list {
  display: grid;
  gap: 1px;
  background: var(--c-hair);
  border-top: 1px solid var(--c-hair);
  border-bottom: 1px solid var(--c-hair);
}

.page-contact .partner-row {
  padding: clamp(16px, 2.8vw, 24px) clamp(2px, 1vw, 8px);
  background: var(--ink);
}

.page-contact .partner-row__sub {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(15px, 2vw, 18px);
  color: var(--cream);
}

.page-contact .partner-row__tpl {
  display: inline-block;
  margin: 0 0 8px;
  padding: 4px 10px;
  border: 1px solid rgba(232, 180, 90, 0.35);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .partner-row__desc {
  margin: 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 下一步入口 ---------- */
.page-contact .next-links {
  padding: 0 0 clamp(38px, 7vw, 80px);
}

.page-contact .next-links h2 {
  font-size: clamp(20px, 3vw, 28px);
}

.page-contact .next-link-grid {
  display: grid;
  gap: 10px;
  margin-top: clamp(16px, 3vw, 24px);
}

.page-contact .next-link {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--c-hair);
  background: var(--glass);
  color: var(--cream);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-contact .next-link:hover,
.page-contact .next-link:focus-visible {
  border-color: var(--gold);
  background: rgba(232, 180, 90, 0.1);
  transform: translateY(-2px);
  outline: none;
}

.page-contact .next-link__t {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--gold);
}

.page-contact .next-link__d {
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .submit-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-contact .submit-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-contact .partner-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2.2fr);
    grid-template-areas:
      "sub tpl"
      "sub desc";
    column-gap: clamp(16px, 3vw, 36px);
    align-items: start;
    padding-inline: 0;
  }

  .page-contact .partner-row__sub {
    grid-area: sub;
    margin: 0;
    font-size: 17px;
  }

  .page-contact .partner-row__tpl {
    grid-area: tpl;
    justify-self: start;
    margin-bottom: 10px;
  }

  .page-contact .partner-row__desc {
    grid-area: desc;
  }

  .page-contact .next-link-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card::after,
  .page-contact .copy-btn,
  .page-contact .next-link {
    transition: none;
  }

  .page-contact .next-link:hover,
  .page-contact .next-link:focus-visible {
    transform: none;
  }
}
<<<END>>>