/* ---------- 信息页共用：Design Service / Contact ---------- */

.page-body { padding-top: 56px; }

/* 页头 */
.info-hero {
  max-width: 820px; margin: 0 auto; padding: 84px 24px 64px; text-align: center;
}
.info-eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 14px;
}
.info-hero h1 {
  font-size: clamp(30px, 5vw, 52px); font-weight: 700; line-height: 1.12;
  letter-spacing: -.01em;
}
.info-sub {
  margin-top: 18px; font-size: 18px; line-height: 1.65; color: var(--muted);
}
.info-cta { margin-top: 32px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* 版块 */
.info-section { max-width: 1200px; margin: 0 auto; padding: 72px 24px; }
.info-section--tint {
  max-width: none; background: #f5f5f7;
  padding-left: max(24px, calc((100% - 1152px) / 2));
  padding-right: max(24px, calc((100% - 1152px) / 2));
}
.info-section--tint > * { max-width: 1152px; margin-left: auto; margin-right: auto; }
.info-h2 {
  font-size: clamp(24px, 3.4vw, 34px); font-weight: 700; text-align: center;
  margin-bottom: 40px; line-height: 1.2;
}

/* 三步流程 */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px 26px; }
.step-num {
  width: 34px; height: 34px; border-radius: 50%; background: var(--text); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; margin-bottom: 18px;
}
.step h3 { font-size: 18px; font-weight: 700; }
.step p { margin-top: 10px; font-size: 15px; line-height: 1.65; color: var(--muted); }

/* 你会得到什么 */
.feat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px 24px; }
.feat { background: #fff; border-radius: 18px; padding: 28px; border: 1px solid rgba(17,24,39,.05); }
.feat h3 { font-size: 17px; font-weight: 700; }
.feat p { margin-top: 8px; font-size: 15px; line-height: 1.65; color: var(--muted); }

/* 适合谁 */
.who-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.who h3 { font-size: 16px; font-weight: 700; }
.who p { margin-top: 8px; font-size: 14px; line-height: 1.6; color: var(--muted); }
.who::before {
  content: ''; display: block; width: 28px; height: 2px; background: var(--text);
  margin-bottom: 14px; opacity: .8;
}

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; background: #fff; border-radius: 18px; padding: 8px 28px; border: 1px solid rgba(17,24,39,.05); }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  cursor: pointer; font-size: 16px; font-weight: 600; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; font-size: 22px; font-weight: 400; color: var(--muted);
  transition: transform .2s; flex: 0 0 auto;
}
.faq details[open] summary::after { content: '–'; }
.faq p { margin-top: 10px; font-size: 15px; line-height: 1.7; color: var(--muted); }

/* 结尾引导 */
.info-final { text-align: center; max-width: 720px; margin: 0 auto; padding: 40px 24px 110px; }
.info-final h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 700; line-height: 1.2; }
.info-final p { margin: 14px 0 28px; color: var(--muted); font-size: 16px; }

/* ---------- Contact ---------- */
.contact-cards {
  max-width: 1200px; margin: 0 auto; padding: 0 24px 24px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.cc {
  display: flex; flex-direction: column; gap: 4px;
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 26px 24px; text-decoration: none; color: var(--text);
  transition: transform .3s cubic-bezier(.2,.7,.3,1.2), box-shadow .3s ease, border-color .2s;
}
a.cc:hover { transform: translateY(-6px); box-shadow: 0 24px 44px rgba(0,0,0,.12); border-color: transparent; }
.cc-ico {
  width: 42px; height: 42px; border-radius: 12px; background: #f5f5f7;
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.cc-ico svg { width: 22px; height: 22px; fill: var(--text); }
.cc-label { font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.cc-value { font-size: 18px; font-weight: 700; }
.cc-note { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* 留言表单 */
.contact-form-wrap { max-width: 720px; margin: 40px auto 0; padding: 0 24px 100px; }
.cf-hint { text-align: center; color: var(--muted); font-size: 15px; margin: -26px 0 30px; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cf-field { display: flex; flex-direction: column; gap: 8px; }
.cf-field span { font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: .02em; }
.cf-field input,
.cf-field select,
.cf-field textarea {
  font-family: inherit; font-size: 15px; color: var(--text);
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 13px 15px; width: 100%; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.cf-field textarea { resize: vertical; min-height: 110px; }
.cf-field input:focus,
.cf-field select:focus,
.cf-field textarea:focus { border-color: var(--text); box-shadow: 0 0 0 3px rgba(17,17,17,.06); }
.cf-submit { align-self: flex-start; border: 0; cursor: pointer; font-family: inherit; margin-top: 4px; }
.cf-status { font-size: 14px; color: var(--muted); min-height: 20px; }
.cf-status--err { color: #c0392b; }

@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; }
  .who-grid { grid-template-columns: repeat(2, 1fr); gap: 26px 22px; }
  .contact-cards { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .info-hero { padding: 56px 20px 44px; }
  .info-section { padding: 52px 20px; }
  .info-section--tint { padding-left: 20px; padding-right: 20px; }
  .feat-grid { grid-template-columns: 1fr; }
  .who-grid { grid-template-columns: 1fr; }
  .faq { padding: 4px 20px; }
  .cf-row { grid-template-columns: 1fr; }
  .cf-submit { align-self: stretch; text-align: center; }
  .info-final { padding-bottom: 80px; }
}