.support-page {
  min-height: 100vh;
  color: #0b0d10;
  background: #f7f9fc;
}

.support-page .site-header {
  --chrome-surface: rgba(255, 255, 255, 0.94);
  --chrome-surface-strong: rgba(255, 255, 255, 0.98);
  --chrome-text: #0b0d10;
  --chrome-muted: #606775;
  --chrome-line: rgba(73, 108, 181, 0.1);
  --chrome-menu: rgba(220, 229, 243, 0.72);
  --chrome-panel: #f7faff;
  --chrome-action: #2864f0;
}

.support-page .site-footer { position: relative; }
.support-shell { width: min(1080px, calc(100vw - 48px)); margin-inline: auto; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.support-main { background: linear-gradient(180deg, #f3f6fb 0%, #f7f9fc 100%); }
.support-hero {
  position: relative;
  padding: 140px 0 112px;
  overflow: hidden;
  color: #ffffff;
  text-align: center;
  background:
    radial-gradient(circle at 7% 8%, rgba(255, 255, 255, 0.28), transparent 25%),
    radial-gradient(circle at 94% 72%, rgba(255, 255, 255, 0.2), transparent 29%),
    linear-gradient(145deg, #0756d8 0%, #1677ff 52%, #56b4ff 100%);
}

.support-hero::before,
.support-hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.support-hero::before {
  top: 47%;
  left: 50%;
  width: min(860px, 72vw);
  height: min(560px, 48vw);
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255, 255, 255, 0.16), rgba(226, 244, 255, 0.065) 45%, transparent 70%);
  box-shadow: 0 0 120px rgba(225, 244, 255, 0.08);
  filter: blur(5px);
  transform: translate(-50%, -50%);
}

.support-hero::after {
  inset: 70px 0 0;
  background-image:
    linear-gradient(rgba(236, 248, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(236, 248, 255, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 24%, #000 76%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 24%, #000 76%, transparent);
}
.support-hero-content { position: relative; z-index: 1; }
.support-hero-mark {
  width: 76px;
  height: 58px;
  margin: 0 auto 23px;
  display: grid;
  place-items: center;
}

.support-hero-mark img { width: 76px; height: auto; object-fit: contain; filter: drop-shadow(0 5px 8px rgba(86, 57, 8, 0.22)); }
.support-hero h1 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(36px, 4.2vw, 50px);
  line-height: 1.15;
  font-weight: 720;
  letter-spacing: -0.05em;
}

.support-search {
  position: relative;
  max-width: 640px;
  margin: 32px auto 0;
}

.support-search > span {
  position: absolute;
  z-index: 1;
  left: 22px;
  top: 50%;
  width: 16px;
  height: 16px;
  border: 2px solid #8592a5;
  border-radius: 50%;
  pointer-events: none;
  transform: translateY(-58%);
}

.support-search > span::after {
  position: absolute;
  right: -6px;
  bottom: -4px;
  width: 7px;
  height: 2px;
  border-radius: 2px;
  background: #8592a5;
  content: "";
  transform: rotate(45deg);
  transform-origin: left center;
}

.support-search input {
  width: 100%;
  height: 58px;
  padding: 0 24px 0 54px;
  color: #0b0d10;
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  outline: none;
  box-shadow: 0 16px 34px rgba(5, 28, 64, 0.2);
  font: inherit;
  font-size: 14px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.support-search input::placeholder { color: #929cac; }
.support-search input:focus {
  border-color: #b8d8ff;
  box-shadow: 0 0 0 4px rgba(158, 202, 255, 0.22), 0 18px 38px rgba(5, 28, 64, 0.22);
}

.support-content { position: relative; z-index: 2; padding: 0 0 94px; }
.support-section-heading { margin-bottom: 24px; text-align: center; }
.support-section-heading h2,
.support-contact-panel h2 {
  margin: 0;
  color: #101522;
  font-size: 25px;
  line-height: 1.25;
  font-weight: 710;
  letter-spacing: -0.035em;
}

.support-categories { margin: -66px 0 72px; }
.support-categories .support-section-heading { margin-bottom: 23px; }
.support-categories .support-section-heading h2 {
  color: #ffffff;
  font-size: 22px;
  text-shadow: 0 2px 12px rgba(4, 69, 163, 0.24);
}
.support-category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.support-category-card {
  position: relative;
  min-height: 184px;
  padding: 27px 20px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #101522;
  text-align: center;
  background: linear-gradient(150deg, #ffffff 0%, #fbfdff 100%);
  border: 1px solid rgba(217, 224, 233, 0.9);
  border-radius: 18px;
  box-shadow: 0 18px 46px rgba(22, 60, 118, 0.12), 0 3px 10px rgba(31, 49, 78, 0.04);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.support-category-card:hover {
  color: #101522;
  border-color: #c6d5f4;
  box-shadow: 0 24px 52px rgba(24, 69, 139, 0.16), 0 4px 12px rgba(31, 49, 78, 0.05);
  transform: translateY(-6px);
}

.support-category-card::before {
  position: absolute;
  top: 0;
  left: 22px;
  right: 22px;
  height: 2px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, transparent, rgba(40, 100, 240, 0.72), transparent);
  content: "";
  opacity: 0;
  transition: opacity 0.2s ease;
}

.support-category-card:hover::before { opacity: 1; }

.support-category-icon {
  position: relative;
  width: 52px;
  height: 52px;
  margin-bottom: 17px;
  display: grid;
  place-items: center;
  color: #2864f0;
  background: #edf3ff;
  border: 1px solid #d8e4ff;
  border-radius: 16px;
}

.support-category-icon i,
.support-category-icon i::before,
.support-category-icon i::after { position: absolute; display: block; box-sizing: border-box; content: ""; }

.support-category-icon-document i {
  top: 50%;
  left: 50%;
  width: 23px;
  height: 28px;
  border: 2px solid currentColor;
  border-radius: 4px;
  transform: translate(-50%, -50%);
}

.support-category-icon-document i::before {
  top: 7px;
  left: 4px;
  width: 11px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  box-shadow: 0 5px 0 currentColor, 0 10px 0 currentColor;
}

.support-category-icon-document i::after {
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  border-bottom: 2px solid currentColor;
  border-left: 2px solid currentColor;
  border-radius: 0 3px 0 2px;
  background: inherit;
}

.support-category-icon-export i {
  bottom: 12px;
  left: 50%;
  width: 27px;
  height: 15px;
  border: 2px solid currentColor;
  border-top: 0;
  border-radius: 0 0 5px 5px;
  transform: translateX(-50%);
}

.support-category-icon-export i::before {
  top: -13px;
  left: 11px;
  width: 2px;
  height: 17px;
  border-radius: 2px;
  background: currentColor;
}

.support-category-icon-export i::after {
  top: -13px;
  left: 7px;
  width: 10px;
  height: 10px;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
  transform: rotate(45deg);
}

.support-category-icon-subscription i {
  top: 50%;
  left: 50%;
  width: 29px;
  height: 21px;
  border: 2px solid currentColor;
  border-radius: 5px;
  transform: translate(-50%, -50%);
}

.support-category-icon-subscription i::before {
  top: 4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: currentColor;
}

.support-category-icon-subscription i::after {
  left: 4px;
  bottom: 3px;
  width: 6px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  box-shadow: 9px 0 0 currentColor;
}

.support-category-icon-account i { inset: 0; }
.support-category-icon-account i::before {
  top: 9px;
  left: 50%;
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-radius: 50%;
  transform: translateX(-50%);
}

.support-category-icon-account i::after {
  left: 50%;
  bottom: 9px;
  width: 24px;
  height: 13px;
  border: 2px solid currentColor;
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
  transform: translateX(-50%);
}

.support-category-card:nth-child(2) .support-category-icon { color: #2864f0; background: #e9f5ff; border-color: #d2e8ff; }
.support-category-card:nth-child(3) .support-category-icon { color: #4c61e8; background: #eef0ff; border-color: #dce0ff; }
.support-category-card:nth-child(4) .support-category-icon { color: #1b73dc; background: #ebf5ff; border-color: #d4eaff; }
.support-category-card h3 { margin: 0; color: #151b29; font-size: 15px; font-weight: 690; }
.support-category-card p { margin: 8px 0 0; color: #788496; font-size: 11.5px; line-height: 1.55; }

.support-faq-column { max-width: 900px; margin-inline: auto; }
.support-faq-column .support-section-heading {
  margin: 0 0 25px 4px;
  display: flex;
  align-items: center;
  gap: 13px;
  text-align: left;
}

.support-faq-column .support-section-heading::before {
  width: 4px;
  height: 25px;
  flex: 0 0 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, #56b4ff, #2864f0);
  content: "";
}

.support-faq-column .support-section-heading h2 { font-size: 29px; }
.support-faq-list {
  padding: 10px 32px;
  background: #ffffff;
  border: 1px solid rgba(217, 224, 233, 0.88);
  border-radius: 22px;
  box-shadow: 0 20px 54px rgba(31, 59, 102, 0.085), 0 2px 8px rgba(31, 49, 78, 0.025);
  overflow: hidden;
}

.support-faq-list details { margin-inline: -32px; padding-inline: 32px; scroll-margin-top: 90px; transition: background 0.2s ease, box-shadow 0.2s ease; }
.support-faq-list details:hover,
.support-faq-list details[open] { background: #f8fbff; }
.support-faq-list details[open] { box-shadow: inset 3px 0 #2864f0; }
.support-faq-list details + details { border-top: 1px solid #e7ecf2; }
.support-faq-list summary {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  color: #25344b;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
}

.support-faq-list summary::-webkit-details-marker { display: none; }
.support-faq-list summary i {
  position: relative;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  border: 1px solid #d9e4f2;
  border-radius: 50%;
  background: #f3f7fc;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.support-faq-list summary i::before,
.support-faq-list summary i::after {
  position: absolute;
  left: 4px;
  right: 4px;
  top: 9px;
  height: 1.5px;
  border-radius: 2px;
  background: #8190a4;
  content: "";
}

.support-faq-list summary i::after { transform: rotate(90deg); transition: transform 0.2s ease; }
.support-faq-list details[open] summary i::after { transform: rotate(0); }
.support-faq-list details[open] summary { color: #2864f0; }
.support-faq-list details[open] summary i { border-color: #bcd3f2; background: #eaf3ff; }
.support-faq-list details > div { padding: 0 46px 24px 0; }
.support-faq-list details[open] > div { animation: support-answer-in 0.24s ease both; }
.support-faq-list details p {
  margin: 0;
  color: #667386;
  font-size: 13px;
  line-height: 1.75;
}

.support-search-empty {
  margin: 0;
  padding: 34px 0;
  color: #7b8798;
  text-align: center;
  font-size: 13px;
}

@keyframes support-answer-in {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

.support-contact-panel {
  position: relative;
  max-width: 900px;
  margin: 64px auto 0;
  padding: 52px 54px;
  text-align: center;
  background:
    radial-gradient(circle at 12% 12%, rgba(86, 180, 255, 0.13), transparent 28%),
    linear-gradient(145deg, #ffffff 0%, #f4f8ff 100%);
  border: 1px solid #d5e2f5;
  border-radius: 22px;
  box-shadow: 0 20px 54px rgba(31, 59, 102, 0.085), 0 2px 8px rgba(31, 49, 78, 0.025);
  overflow: hidden;
}

.support-contact-panel::before {
  position: absolute;
  top: -82px;
  left: 50%;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(86, 180, 255, 0.16), transparent 68%);
  content: "";
  transform: translateX(-50%);
  pointer-events: none;
}

.support-contact-panel::after {
  position: absolute;
  right: -78px;
  bottom: -112px;
  width: 230px;
  height: 230px;
  border: 1px solid rgba(40, 100, 240, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(40, 100, 240, 0.025);
  content: "";
  pointer-events: none;
}

.support-contact-panel header,
.support-contact-panel dl { position: relative; z-index: 1; }

.support-contact-panel header > p {
  margin: 9px 0 0;
  color: #737f90;
  font-size: 13px;
  line-height: 1.65;
}

.support-contact-panel dl {
  max-width: 620px;
  margin: 30px auto 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
}

.support-contact-panel dl > div { min-width: 0; padding-inline: 18px; }
.support-contact-panel dt { color: #26364e; font-size: 14px; font-weight: 680; }
.support-contact-panel dd {
  margin: 12px 0 0;
  color: #768294;
  font-size: 13px;
  font-weight: 560;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.support-contact-panel dd a {
  min-height: 40px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: #2864f0;
  border-radius: 7px;
  box-shadow: 0 7px 18px rgba(23, 104, 238, 0.16);
  font-size: 12.5px;
  font-weight: 650;
  transition: background 0.2s ease, transform 0.2s ease;
}

.support-contact-panel dd a:hover { background: #1748bd; transform: translateY(-1px); }

@media (max-width: 860px) {
  .support-shell { width: calc(100vw - 36px); }
  .support-hero { padding: 124px 0 104px; }
  .support-content { padding: 0 0 74px; }
  .support-categories { margin: -62px 0 62px; }
  .support-category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 520px) {
  .support-shell {
    width: auto;
    margin-left: max(14px, env(safe-area-inset-left));
    margin-right: max(14px, env(safe-area-inset-right));
  }
  .support-hero { padding: 100px 0 96px; }
  .support-hero::after { background-size: 46px 46px; }
  .support-hero-mark { width: 54px; height: 42px; margin-bottom: 16px; }
  .support-hero-mark img { width: 54px; height: auto; }
  .support-hero h1 { max-width: 330px; margin-inline: auto; font-size: clamp(30px, 9vw, 34px); line-height: 1.16; letter-spacing: -0.04em; }
  .support-search { margin-top: 24px; }
  .support-search > span { left: 19px; }
  .support-search input { height: 52px; padding-left: 50px; padding-right: 18px; font-size: 13px; -webkit-appearance: none; appearance: none; }
  .support-content { padding: 0 0 calc(58px + env(safe-area-inset-bottom)); }
  .support-section-heading { margin-bottom: 20px; }
  .support-section-heading h2,
  .support-contact-panel h2 { font-size: 22px; }
  .support-categories { margin: -58px 0 52px; }
  .support-categories .support-section-heading { margin-bottom: 18px; }
  .support-categories .support-section-heading h2 { font-size: 19px; }
  .support-category-grid { gap: 11px; }
  .support-category-card { min-height: 146px; padding: 20px 10px 18px; border-radius: 15px; box-shadow: 0 12px 30px rgba(22, 60, 118, 0.11), 0 2px 7px rgba(31, 49, 78, 0.035); touch-action: manipulation; }
  .support-category-icon { width: 44px; height: 44px; margin-bottom: 13px; border-radius: 13px; }
  .support-category-card h3 { font-size: 13.5px; }
  .support-category-card p { margin-top: 6px; font-size: 10.5px; line-height: 1.45; }
  .support-faq-column .support-section-heading { margin: 0 0 20px 2px; gap: 10px; }
  .support-faq-column .support-section-heading::before { width: 3px; height: 21px; flex-basis: 3px; }
  .support-faq-column .support-section-heading h2 { font-size: 24px; }
  .support-faq-list { padding: 5px 18px; border-radius: 17px; box-shadow: 0 14px 36px rgba(31, 59, 102, 0.075); }
  .support-faq-list details { margin-inline: -18px; padding-inline: 18px; }
  .support-faq-list summary { min-height: 72px; gap: 14px; font-size: 13px; line-height: 1.55; touch-action: manipulation; }
  .support-faq-list summary i { width: 22px; height: 22px; flex-basis: 22px; }
  .support-faq-list summary i::before,
  .support-faq-list summary i::after { top: 10px; }
  .support-faq-list details > div { padding: 0 34px 22px 0; }
  .support-faq-list details p { font-size: 12.5px; line-height: 1.8; }
  .support-contact-panel { margin-top: 48px; padding: 40px 18px; border-radius: 17px; box-shadow: 0 14px 36px rgba(31, 59, 102, 0.075); }
  .support-contact-panel::after { right: -110px; bottom: -138px; opacity: 0.72; }
  .support-contact-panel header > p { max-width: 270px; margin: 10px auto 0; font-size: 12px; }
  .support-contact-panel dl { margin-top: 27px; grid-template-columns: 1fr; gap: 26px; }
  .support-contact-panel dl > div { padding-inline: 0; }
  .support-contact-panel dl > div + div { padding-top: 0; border: 0; }
  .support-contact-panel dd a { max-width: 100%; min-height: 42px; }
}

@media (max-width: 380px) {
  .support-category-grid { grid-template-columns: 1fr; gap: 10px; }
  .support-category-card {
    min-height: 88px;
    padding: 15px 17px;
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 14px;
    align-content: center;
    justify-items: start;
    text-align: left;
  }
  .support-category-icon { grid-row: 1 / span 2; width: 44px; height: 44px; margin: 0; }
  .support-category-card h3 { align-self: end; }
  .support-category-card p { align-self: start; }
}

@media (max-width: 860px) and (orientation: landscape) {
  .support-hero { padding-top: 104px; padding-bottom: 90px; }
  .support-hero-mark { margin-bottom: 13px; }
  .support-search { margin-top: 20px; }
}

@media (hover: none) {
  .support-category-card:hover { box-shadow: 0 12px 30px rgba(22, 60, 118, 0.11), 0 2px 7px rgba(31, 49, 78, 0.035); transform: none; }
  .support-category-card:hover::before { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .support-search input,
  .support-category-card,
  .support-faq-list details,
  .support-faq-list summary i::after,
  .support-faq-list summary i,
  .support-contact-panel dd a { transition: none; }
  .support-faq-list details[open] > div { animation: none; }
}
