.help-page-wrap { max-width: 1280px; margin: 0 auto; padding: 48px 24px 80px; }
.help-center { color: #0b2438; }
.help-hero { display: flex; align-items: end; justify-content: space-between; gap: 32px; padding: 38px; border-radius: 24px; background: linear-gradient(135deg, #071827, #0b3653); color: #fff; box-shadow: 0 24px 60px rgba(5, 27, 42, .16); }
.help-hero h1 { margin: 6px 0 12px; max-width: 760px; color: #fff; font-size: clamp(2rem, 5vw, 4rem); line-height: 1.02; }
.help-hero p { max-width: 760px; margin: 0; color: #bcd2de; }
.help-role-badge { flex: 0 0 auto; padding: 13px 17px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; background: rgba(255,255,255,.08); color: #bcd2de; }
.help-role-badge strong { color: #fff; }
.help-search { position: relative; z-index: 2; margin: -18px 28px 30px; padding: 20px; border: 1px solid #d9e5e9; border-radius: 18px; background: #fff; box-shadow: 0 18px 42px rgba(12, 45, 63, .12); }
.help-search label { display: block; margin-bottom: 8px; font-weight: 800; }
.help-search > div { display: flex; gap: 10px; }
.help-search input { min-width: 0; flex: 1; padding: 14px 16px; border: 1px solid #b9ced7; border-radius: 12px; font-size: 1rem; }
.help-search button { padding: 0 24px; border: 0; border-radius: 12px; background: #087ec1; color: white; font-weight: 800; cursor: pointer; }
.help-search p { margin: 9px 0 0; color: #687f8d; font-size: .82rem; }
.help-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 28px; align-items: start; }
.help-filters { position: sticky; top: 24px; display: grid; gap: 7px; padding: 10px; border: 1px solid #dbe7eb; border-radius: 17px; background: #fff; }
.help-filters button { padding: 11px 13px; border: 0; border-radius: 10px; background: transparent; color: #42606f; text-align: left; font-weight: 750; cursor: pointer; }
.help-filters button:hover, .help-filters button.active { background: #e9f8fa; color: #056b8d; }
.help-summary { display: flex; align-items: baseline; gap: 9px; margin: 0 0 13px; color: #667f8d; }
.help-summary strong { color: #09283d; font-size: 1.7rem; }
.help-results { display: grid; gap: 10px; }
.help-article { overflow: hidden; border: 1px solid #d9e5e9; border-radius: 15px; background: #fff; }
.help-article[hidden], .mail-provider[hidden] { display: none !important; }
.help-article summary { display: flex; justify-content: space-between; gap: 20px; padding: 19px 21px; cursor: pointer; list-style: none; }
.help-article summary::-webkit-details-marker { display: none; }
.help-article summary span { display: grid; gap: 4px; }
.help-article summary small { color: #0399a7; font-size: .7rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.help-article summary strong { color: #0a283c; font-size: 1.05rem; }
.help-article summary em { color: #637b88; font-size: .9rem; font-style: normal; font-weight: 500; }
.help-article summary i { display: grid; width: 30px; height: 30px; flex: 0 0 30px; place-items: center; border-radius: 50%; background: #eaf5f7; color: #087ca0; font-size: 1.25rem; font-style: normal; transition: transform .2s ease; }
.help-article[open] summary i { transform: rotate(45deg); }
.help-article-body { padding: 0 22px 22px; border-top: 1px solid #edf2f4; color: #334f5f; }
.help-article-body ol { margin: 18px 0; padding-left: 23px; }
.help-article-body li { margin: 9px 0; padding-left: 4px; }
.help-callout { margin: 16px 0; padding: 13px 15px; border-left: 4px solid #f4a62a; border-radius: 8px; background: #fff7e9; color: #664814; }
.help-source { display: inline-flex; margin-top: 8px; color: #0577ad; font-weight: 800; text-decoration: none; }
.help-source:hover { text-decoration: underline; }
.mail-catalog { margin-top: 42px; }
.mail-catalog-head { margin-bottom: 18px; }
.mail-catalog-head h2 { margin: 4px 0 8px; font-size: clamp(1.6rem, 3vw, 2.35rem); }
.mail-catalog-head p { color: #647d8a; }
.mail-provider-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.mail-provider { padding: 20px; border: 1px solid #d8e5ea; border-radius: 17px; background: #fff; box-shadow: 0 8px 24px rgba(9, 44, 64, .05); }
.mail-provider header { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.mail-provider header small { color: #04a5ac; font-weight: 900; letter-spacing: .08em; }
.mail-provider h3 { margin: 4px 0; font-size: 1.15rem; }
.mail-provider header p { margin: 0; color: #738995; font-size: .82rem; }
.mail-provider header > span { padding: 6px 9px; border-radius: 999px; background: #e5f8f3; color: #08775f; font-size: .72rem; font-weight: 850; white-space: nowrap; }
.mail-provider dl { margin: 17px 0 9px; }
.mail-provider dl div { display: grid; grid-template-columns: 62px 1fr; gap: 10px; padding: 9px 0; border-top: 1px solid #edf2f4; }
.mail-provider dt { color: #597280; font-size: .76rem; font-weight: 900; }
.mail-provider dd { margin: 0; overflow-wrap: anywhere; color: #173849; font-size: .84rem; }
.help-empty { padding: 32px; border: 1px dashed #b7cdd6; border-radius: 16px; background: #f8fbfc; text-align: center; }
.help-empty strong { font-size: 1.2rem; }
.help-empty p { color: #607986; }
.help-security { margin-top: 32px; padding: 20px 22px; border-radius: 16px; background: #09283d; color: white; }
.help-security strong { color: #40d9da; }
.help-security p { margin: 5px 0 0; color: #c2d5df; }
.portal-main .help-center { max-width: 1220px; }
.portal-main .help-hero { padding: 30px; }
.portal-main .help-hero h1 { font-size: clamp(2rem, 4vw, 3rem); }
@media (max-width: 900px) {
  .help-layout { grid-template-columns: 1fr; }
  .help-filters { position: static; display: flex; overflow-x: auto; }
  .help-filters button { flex: 0 0 auto; }
  .mail-provider-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .help-page-wrap { padding: 28px 14px 60px; }
  .help-hero { display: grid; padding: 26px 20px; }
  .help-role-badge { justify-self: start; }
  .help-search { margin: -10px 8px 24px; padding: 14px; }
  .help-search > div { display: grid; }
  .help-search button { min-height: 46px; }
  .help-article summary { padding: 16px; }
  .help-article-body { padding: 0 16px 18px; }
}