.page-contact {
  --pc-gap: clamp(24px, 4vw, 48px);
  background: var(--mist);
  color: var(--night);
}

.page-contact .crumbs {
  padding-top: 22px;
  padding-bottom: 2px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .crumbs a {
  color: var(--clay-deep);
  text-decoration: none;
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(16px, 3vw, 34px);
  padding-bottom: 0;
}

.page-contact .contact-hero__inner {
  max-width: 900px;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  line-height: 1.07;
  letter-spacing: -0.025em;
  color: var(--night);
}

.page-contact .contact-hero .lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.8;
  color: var(--night-2);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .contact-hero__media {
  margin: clamp(26px, 4.5vw, 48px) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--night);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

/* ---------- 咨询类型 ---------- */

.page-contact .contact-types {
  padding-top: clamp(48px, 7vw, 88px);
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .contact-types__head h2,
.page-contact .brief h2,
.page-contact .cadence h2,
.page-contact .collab h2,
.page-contact .before h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.3vw, 2.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--night);
}

.page-contact .contact-types__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .contact-types__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .ctype {
  --ctype-accent: var(--clay);
  padding: 20px 22px 20px 26px;
  background: var(--white);
  border-left: 5px solid var(--ctype-accent);
  border-radius: 4px var(--radius) var(--radius) 4px;
  box-shadow: var(--shadow-card);
}

.page-contact .ctype:nth-child(2) { --ctype-accent: var(--jade); }
.page-contact .ctype:nth-child(3) { --ctype-accent: var(--amber); }
.page-contact .ctype:nth-child(4) { --ctype-accent: var(--night-2); }
.page-contact .ctype:nth-child(5) { --ctype-accent: var(--clay-deep); }

.page-contact .ctype__name {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
  color: var(--night);
}

.page-contact .ctype__idx {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ctype-accent);
}

.page-contact .ctype__desc {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--night-2);
}

.page-contact .ctype__example {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

@media (min-width: 940px) {
  .page-contact .contact-types {
    grid-template-columns: 4fr 7fr;
    align-items: start;
    gap: clamp(36px, 5vw, 72px);
  }

  .page-contact .contact-types__head {
    position: sticky;
    top: 92px;
  }
}

/* ---------- 深色联络带 ---------- */

.page-contact .contact-strip {
  position: relative;
  overflow: hidden;
  margin-top: clamp(52px, 8vw, 96px);
  padding: clamp(44px, 7vw, 82px) 0;
  background: var(--night);
  color: var(--mist);
}

.page-contact .contact-strip::before {
  content: "";
  position: absolute;
  top: -34%;
  left: -10%;
  width: 42%;
  height: 130%;
  background: radial-gradient(circle at 42% 58%, rgba(196, 71, 43, 0.36), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-strip::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -46%;
  width: 48%;
  height: 132%;
  background: radial-gradient(circle at 68% 48%, rgba(47, 191, 147, 0.26), transparent 66%);
  pointer-events: none;
}

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

.page-contact .eyebrow--light {
  color: var(--jade-bright);
}

.page-contact .contact-strip__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.3vw, 2.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .contact-strip__grid {
  margin-top: clamp(26px, 4vw, 42px);
  display: grid;
  gap: 1px;
  background: rgba(247, 243, 236, 0.16);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-strip__item {
  display: grid;
  gap: 9px;
  align-content: start;
  padding: clamp(20px, 3vw, 30px);
  background: var(--night);
}

.page-contact .contact-strip__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(247, 243, 236, 0.62);
}

.page-contact .contact-strip__value {
  justify-self: start;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1rem, 2.5vw, 1.6rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--mist);
  word-break: break-word;
  border-bottom: 3px solid var(--amber);
  padding-bottom: 6px;
}

.page-contact .contact-strip__value--plain {
  font-size: clamp(1rem, 2.2vw, 1.4rem);
}

.page-contact .contact-strip__value-text {
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--mist);
}

.page-contact .contact-strip__hint {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(247, 243, 236, 0.72);
}

@media (min-width: 720px) {
  .page-contact .contact-strip__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 提交规范 ---------- */

.page-contact .brief {
  padding-top: clamp(48px, 7vw, 88px);
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .brief__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--night-2);
}

.page-contact .brief__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .brief__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--night-2);
}

.page-contact .brief__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--jade);
}

.page-contact .brief__list li:nth-child(3)::before { background: var(--amber); }
.page-contact .brief__list li:nth-child(5)::before { background: var(--clay); }

.page-contact .brief__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--night-2);
  box-shadow: var(--shadow-soft);
}

.page-contact .brief__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-contact .brief {
    grid-template-columns: 6fr 5fr;
    align-items: center;
  }
}

/* ---------- 响应节奏 ---------- */

.page-contact .cadence {
  padding-top: clamp(48px, 7vw, 88px);
}

.page-contact .timeline {
  margin-top: clamp(24px, 3vw, 36px);
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .timeline__item {
  padding: clamp(22px, 3vw, 32px);
  background: var(--white);
}

.page-contact .timeline__value {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin: 0;
  color: var(--clay);
}

.page-contact .timeline__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3rem);
  line-height: 1;
}

.page-contact .timeline__unit {
  font-size: 14px;
  color: var(--slate);
}

.page-contact .timeline__item h3 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--night);
}

.page-contact .timeline__item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--night-2);
}

@media (min-width: 720px) {
  .page-contact .timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 合作方向 ---------- */

.page-contact .collab {
  padding-top: clamp(48px, 7vw, 88px);
}

.page-contact .collab__grid {
  margin-top: clamp(24px, 3vw, 34px);
  display: grid;
  gap: 16px;
}

.page-contact .collab__card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(20px, 2.8vw, 28px);
  background: var(--white);
  border-top: 4px solid var(--jade);
  border-radius: 4px 4px var(--radius) var(--radius);
  box-shadow: var(--shadow-card);
}

.page-contact .collab__card:nth-child(1) { border-top-color: var(--clay); }
.page-contact .collab__card:nth-child(3) { border-top-color: var(--amber); }
.page-contact .collab__card:nth-child(4) { border-top-color: var(--night); }

.page-contact .collab__card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--night);
}

.page-contact .collab__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--night-2);
}

.page-contact .collab__how {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

@media (min-width: 760px) {
  .page-contact .collab__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 动手前 ---------- */

.page-contact .before {
  padding-top: clamp(48px, 7vw, 88px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-contact .before__grid {
  margin-top: clamp(22px, 3vw, 32px);
  display: grid;
  gap: 16px;
}

.page-contact .before__item {
  display: block;
  padding: clamp(22px, 3vw, 30px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-contact .before__item:hover,
.page-contact .before__item:focus-visible {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.page-contact .before__step {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-contact .before__item h3 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--night);
}

.page-contact .before__item p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--night-2);
}

.page-contact .before__go {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--clay-deep);
}

.page-contact .before__item:hover .before__go,
.page-contact .before__item:focus-visible .before__go {
  color: var(--jade);
}

.page-contact .before__tail {
  margin: clamp(24px, 3vw, 32px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .before__tail a {
  color: var(--clay-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid rgba(240, 180, 41, 0.6);
}

.page-contact .before__tail a:hover,
.page-contact .before__tail a:focus-visible {
  color: var(--jade);
  border-bottom-color: var(--jade);
}

@media (min-width: 760px) {
  .page-contact .before__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
<<<END>>>