/* 고객지원 상세 페이지 */
.page-support .menu a.active { color: var(--blue); }
.page-support main .wrap,
.page-support .support-tabs .wrap {
  width: min(1180px, calc(100% - 48px));
}

.support-hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  min-height: var(--subpage-hero-h);
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(4, 18, 36, .95) 0%, rgba(7, 30, 56, .88) 50%, rgba(7, 30, 56, .42) 100%),
    radial-gradient(ellipse 55% 70% at 88% 42%, rgba(131, 195, 63, .16), transparent 55%),
    #071b33;
}
.support-hero:after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, transparent 48%, rgba(255, 255, 255, .07));
}

.support-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 70px;
  box-sizing: border-box;
}

.support-copy { max-width: 760px; }
.support-kicker {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .22em;
  color: #9bd652;
}
.support-copy h1 {
  font-size: clamp(36px, 5.2vw, 64px);
  line-height: 1.13;
  letter-spacing: -.055em;
  margin: 20px 0 23px;
}
.support-copy p {
  font-size: 17px;
  line-height: 1.8;
  color: #d3deea;
  max-width: 700px;
  margin: 0;
}

.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.support-actions a {
  padding: 16px 23px;
  border-radius: 10px;
  font-weight: 900;
  transition: transform .2s, background .2s, border-color .2s;
}
.support-primary { background: #fff; color: var(--navy); }
.support-secondary { border: 1px solid rgba(255, 255, 255, .5); color: #fff; }
.support-actions a:hover { transform: translateY(-2px); }

.support-side-card {
  width: 340px;
  flex-shrink: 0;
  padding: 31px;
  border: 1px solid rgba(255, 255, 255, .23);
  border-radius: 18px;
  background: rgba(4, 20, 41, .6);
  backdrop-filter: blur(14px);
}
.support-side-card > span {
  font-size: 11px;
  color: #9bd652;
  letter-spacing: .18em;
  font-weight: 900;
}
.support-side-card strong {
  display: block;
  font-size: 22px;
  line-height: 1.45;
  margin: 14px 0 20px;
}
.support-side-card ul { list-style: none; padding: 0; margin: 0; }
.support-side-card li {
  position: relative;
  padding: 11px 0 11px 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: #d4dfeb;
  font-size: 14px;
}
.support-side-card li:before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #83c33f;
}

.support-tabs {
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(7, 25, 52, .06);
}
.support-tabs-inner { display: flex; justify-content: center; }
.support-tabs a {
  padding: 22px 42px;
  font-weight: 800;
  color: #556174;
  border-bottom: 3px solid transparent;
}
.support-tabs a:hover { color: var(--blue); border-color: var(--blue); }

.support-section {
  padding: 110px 0;
  scroll-margin-top: calc(var(--header-h) + 72px);
}
.faq-section { background: #f4f7fa; }
.downloads-section {
  background: linear-gradient(135deg, #071b34, #102f55);
  color: #fff;
}

.support-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 40px;
  margin-bottom: 48px;
}
.support-heading > div { max-width: 620px; }
.support-heading span {
  display: block;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .17em;
  margin-bottom: 12px;
}
.support-heading h2 {
  font-size: clamp(32px, 4vw, 44px);
  letter-spacing: -.045em;
  margin: 0;
}
.support-heading p {
  max-width: 500px;
  color: var(--muted);
  line-height: 1.75;
  margin: 0;
}
.support-head-copy { max-width: 500px; }
.support-head-copy p {
  max-width: none;
  margin: 0 0 13px;
  color: var(--muted);
  line-height: 1.7;
}
.support-heading .detail-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: max-content;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: gap .2s, color .2s;
}
.support-heading .detail-link:hover { gap: 14px; }
.support-heading .detail-link.light { color: #9bd652; }
.support-heading .detail-link.light:hover { color: #c4ef87; }
.support-heading.light span { color: #9bd652; }
.support-heading.light p,
.support-heading.light .support-head-copy p { color: #c4d0de; }

.rfq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, .7fr);
  gap: 25px;
}
.rfq-form {
  border: 1px solid var(--line);
  border-radius: 21px;
  padding: 34px;
  background: #fff;
  box-shadow: 0 12px 38px rgba(7, 25, 52, .07);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.rfq-form label > span {
  display: block;
  font-size: 13px;
  font-weight: 800;
  color: #344256;
  margin-bottom: 9px;
}
.rfq-form input,
.rfq-form select,
.rfq-form textarea {
  width: 100%;
  border: 1px solid #dce3ea;
  border-radius: 10px;
  padding: 14px 15px;
  background: #fbfcfd;
  outline: none;
  transition: .2s;
  box-sizing: border-box;
}
.rfq-form input:focus,
.rfq-form select:focus,
.rfq-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(23, 63, 115, .08);
}
.full-field,
.upload-field { display: block; margin-top: 20px; }
.upload-field small {
  display: block;
  color: #7b8795;
  margin-top: 8px;
  font-size: 12px;
}
.agree-field {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
}
.agree-field input { width: auto; }
.agree-field span { margin: 0 !important; font-weight: 500 !important; }

.submit-rfq {
  width: 100%;
  border: 0;
  border-radius: 11px;
  background: var(--navy);
  color: #fff;
  padding: 17px;
  margin-top: 20px;
  font-weight: 900;
  cursor: pointer;
  transition: background .2s, transform .2s;
}
.submit-rfq:hover { background: #143a6b; }
.submit-rfq:disabled { opacity: .65; cursor: wait; }
#supportRfqMsg { margin-top: 14px; }

.rfq-guide {
  background: linear-gradient(135deg, #0a2344, #143c69);
  color: #fff;
  border-radius: 21px;
  padding: 33px;
  align-self: start;
}
.rfq-guide > span {
  font-size: 11px;
  color: #9bd652;
  letter-spacing: .16em;
  font-weight: 900;
}
.rfq-guide h3 {
  font-size: 24px;
  line-height: 1.45;
  margin: 14px 0 27px;
}
.rfq-guide ol { list-style: none; padding: 0; margin: 0; }
.rfq-guide li {
  display: flex;
  gap: 15px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, .13);
}
.rfq-guide li > b { color: #9bd652; font-size: 12px; }
.rfq-guide strong { font-size: 15px; }
.rfq-guide p {
  font-size: 13px;
  color: #c5d1de;
  line-height: 1.65;
  margin: 6px 0 0;
}

.faq-list { display: grid; gap: 12px; }
.faq-list details {
  background: #fff;
  border: 1px solid #dfe5eb;
  border-radius: 14px;
  padding: 0 25px;
  box-shadow: 0 6px 18px rgba(7, 25, 52, .035);
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 800;
  padding: 23px 35px 23px 0;
  position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:after {
  content: "+";
  position: absolute;
  right: 0;
  top: 17px;
  font-size: 28px;
  color: var(--blue);
}
.faq-list details[open] summary:after { content: "−"; }
.faq-list p {
  margin: 0;
  padding: 0 0 23px;
  color: var(--muted);
  line-height: 1.75;
}

.notice-board { border-top: 2px solid var(--navy); }
.notice-board .notice-item {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.notice-board .notice-item summary {
  display: grid;
  grid-template-columns: 70px 1fr 110px;
  align-items: center;
  gap: 20px;
  padding: 22px 16px;
  cursor: pointer;
  list-style: none;
  transition: .2s;
}
.notice-board .notice-item summary::-webkit-details-marker { display: none; }
.notice-board .notice-item summary:hover { background: #f6f8fa; }
.notice-badge {
  display: inline-block;
  text-align: center;
  background: var(--navy);
  color: #fff;
  border-radius: 20px;
  padding: 7px 10px;
  font-size: 11px;
  font-weight: 800;
}
.notice-badge.normal { background: #edf1f5; color: #445266; }
.notice-board strong { font-size: 16px; }
.notice-board time {
  text-align: right;
  color: #7b8795;
  font-size: 13px;
}
.notice-board .notice-item > p {
  margin: 0;
  padding: 0 16px 22px 106px;
  color: var(--muted);
  line-height: 1.75;
  white-space: pre-wrap;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.download-grid article {
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .055);
  border-radius: 18px;
  padding: 28px;
  min-height: 325px;
  display: flex;
  flex-direction: column;
}
.file-icon {
  width: 54px;
  height: 54px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--navy);
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 25px;
}
.download-grid article > span {
  font-size: 10px;
  color: #9bd652;
  letter-spacing: .14em;
  font-weight: 900;
}
.download-grid h3 { font-size: 21px; margin: 12px 0; }
.download-grid p {
  color: #bdcad8;
  line-height: 1.7;
  font-size: 14px;
  flex: 1;
}
.download-btn {
  display: inline-block;
  margin-top: 22px;
  width: fit-content;
  border: 1px solid rgba(255, 255, 255, .35);
  background: transparent;
  color: #fff;
  border-radius: 9px;
  padding: 11px 14px;
  font-weight: 800;
  cursor: pointer;
  transition: background .2s, border-color .2s;
}
a.download-btn:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .6);
}
.download-btn.is-disabled {
  opacity: .45;
  cursor: not-allowed;
}

.download-note {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 23px;
  padding: 23px 27px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .07);
}
.download-note strong { color: #9bd652; white-space: nowrap; }
.download-note p { margin: 0; color: #c4d0dc; }

@media (max-width: 980px) {
  .support-hero { min-height: auto; height: auto; }
  .support-hero-inner {
    display: block;
    min-height: auto;
    height: auto;
    padding: 64px 0;
  }
  .support-side-card { width: 100%; margin-top: 35px; box-sizing: border-box; }
  .rfq-layout,
  .download-grid { grid-template-columns: 1fr 1fr; }
  .support-heading { display: block; }
  .support-heading p,
  .support-head-copy { margin-top: 18px; }
  .support-tabs-inner {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .support-tabs a { white-space: nowrap; }
}

@media (max-width: 650px) {
  .support-copy h1 { font-size: 34px; }
  .support-copy p { font-size: 15px; }
  .support-actions { flex-direction: column; }
  .support-actions a { text-align: center; }
  .support-tabs { top: var(--header-h); }
  .support-tabs-inner {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .support-tabs a {
    padding: 17px 18px;
    white-space: nowrap;
    font-size: 13px;
  }
  .support-section { padding: 75px 0; }
  .support-heading h2 { font-size: 30px; }
  .form-grid,
  .download-grid,
  .rfq-layout { grid-template-columns: 1fr; }
  .rfq-form { padding: 24px; }
  .notice-board .notice-item summary { grid-template-columns: 58px 1fr; }
  .notice-board time {
    grid-column: 2;
    text-align: left;
  }
  .notice-board .notice-item > p { padding-left: 16px; }
  .download-note { display: block; }
  .download-note strong {
    display: block;
    margin-bottom: 10px;
  }
  .support-copy h1 br,
  .support-side-card strong br,
  .rfq-guide h3 br { display: none; }
}