/* /huong-dan-su-dung-phan-mem-tinh-tien-so-de (trang công khai, nằm trong PublicPage): nội dung viết sẵn (guideContent.js), mỗi phần một thẻ.
   Cùng bố cục với /cu-phap-tin-nhan-phan-mem-tinh-tien-so-de: mục lục bên trái dính theo khi cuộn, thẻ trắng đánh số, màu nhấn đỏ của khu công khai. */
.guide-page { --guide-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--public-ink); }
.guide-page :is(h2, h3, p, ul, ol) { margin: 0; }
.guide-page [id] { scroll-margin-top: calc(var(--tts-header-height, 81px) + 18px); }
.guide-page .guide-step:focus { outline: none; }

/* Bắt đầu nhanh: bốn việc đầu tiên */
.guide-quick { margin-top: 26px; }
.guide-quick ol { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; padding: 0; list-style: none; }
.guide-quick a { position: relative; display: flex; align-items: center; gap: 12px; height: 100%; padding: 16px 16px 16px 18px; border: 1px solid var(--public-line); border-radius: 12px; background: #fff; color: var(--public-ink); transition: border-color .15s, box-shadow .15s; }
.guide-quick a:hover { border-color: #e2c4c7; box-shadow: 0 4px 14px rgb(37 52 76 / .07); color: var(--public-ink); }
.guide-quick-number { position: absolute; top: -9px; left: 14px; display: grid; place-items: center; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px; background: var(--public-red); color: #fff; font-size: 11px; font-weight: 700; }
.guide-quick-icon { display: grid; place-items: center; flex: none; width: 38px; height: 38px; border-radius: 10px; background: #fbe5e6; color: var(--public-red); font-size: 16px; }
.guide-quick-text { min-width: 0; }
.guide-quick-text strong { display: block; font-size: 14px; font-weight: 700; line-height: 1.35; }
.guide-quick-text span { display: block; color: var(--public-muted); font-size: 12px; line-height: 1.45; }

.guide-layout { display: grid; grid-template-columns: 228px minmax(0, 1fr); gap: 30px; align-items: start; margin-top: 30px; }

/* Mục lục */
.guide-sidebar { position: sticky; top: calc(var(--tts-header-height, 81px) + 24px); min-width: 0; }
.guide-toc { display: flex; flex-direction: column; gap: 3px; }
.guide-toc-label { display: block; padding: 0 12px 14px; color: #657186; font-size: 10px; font-weight: 750; letter-spacing: 1.5px; }
.guide-toc a { display: flex; align-items: baseline; gap: 12px; min-height: 42px; padding: 10px 12px; border-radius: 8px; color: #56647a; font-size: 13px; font-weight: 500; line-height: 1.5; transition: background .15s, color .15s; }
.guide-toc a > span { flex: none; color: #616d80; font: 500 11px/1.5 var(--guide-mono); font-variant-numeric: tabular-nums; }
.guide-toc a:hover { background: #eef1f5; color: var(--public-ink); }
.guide-toc a[aria-current] { background: #fbecee; color: var(--public-red); font-weight: 650; }
.guide-toc a[aria-current] > span { color: var(--public-red); }

/* Mỗi phần một thẻ: số thứ tự, nhãn, tiêu đề */
.guide-main { display: grid; gap: 22px; min-width: 0; }
.guide-step { min-width: 0; padding: 28px; border: 1px solid var(--public-line); border-radius: 14px; background: #fff; }
.guide-step-head { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; padding-bottom: 18px; border-bottom: 1px solid #edf0f5; }
.guide-step-index { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 40px; height: 40px; border-radius: 10px; background: #fbe5e6; color: var(--public-red); font: 700 13px/1 var(--guide-mono); }
.guide-step-label { display: flex; align-items: center; gap: 6px; margin-bottom: 2px; color: var(--public-red); font-size: 11px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; }
.guide-step-label i { font-size: 10px; }
.guide-step h2 { color: var(--public-ink); font-size: 21px; font-weight: 700; letter-spacing: -.3px; line-height: 1.35; text-wrap: balance; }

/* Nội dung trong thẻ */
.guide-body { display: grid; gap: 16px; min-width: 0; color: #4a5a70; font-size: 15px; line-height: 1.8; }
.guide-body .guide-lead { max-width: 72ch; color: #3f4e64; font-size: 15px; }
.guide-page .guide-body h3 { margin-top: 10px; color: var(--public-ink); font-size: 17px; font-weight: 700; line-height: 1.45; }
.guide-body strong { color: var(--public-ink); font-weight: 650; }
.guide-body a:not(.public-button) { color: var(--public-blue); text-decoration: underline; text-underline-offset: 2px; }
.guide-body code { padding: 1px 6px; border-radius: 5px; background: #eef2f8; color: var(--public-ink); font: 600 13px/1.5 var(--guide-mono); }
.guide-body .guide-note-inline { margin-top: -8px; color: var(--public-muted); font-size: 13px; }
/* Chữ đúng như trên nút, ô, cột của phần mềm */
.guide-ui { display: inline-block; padding: 0 7px; border: 1px solid #dfe5ee; border-radius: 6px; background: #f7f8fa; color: var(--public-ink); font-size: .92em; font-weight: 650; line-height: 1.6; white-space: nowrap; }
.guide-bullets { display: grid; gap: 8px; padding-left: 20px; }
/* Các bước đánh số */
.guide-steps { display: grid; gap: 12px; padding: 0; list-style: none; counter-reset: guide-step; }
.guide-steps li { position: relative; padding-left: 36px; counter-increment: guide-step; }
.guide-steps li::before { content: counter(guide-step); position: absolute; top: 3px; left: 0; display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--public-ink); color: #fff; font-size: 12px; font-weight: 700; line-height: 1; }
/* Bảng giải thích */
.guide-table { max-width: 100%; overflow-x: auto; border: 1px solid var(--public-line); border-radius: 12px; }
.guide-table table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.6; }
.guide-table :is(th, td) { padding: 11px 16px; border-bottom: 1px solid #e8ecf2; text-align: left; vertical-align: top; }
.guide-table thead th { background: #f2f5fa; color: #365174; font-size: 12px; font-weight: 700; letter-spacing: .3px; text-transform: uppercase; white-space: nowrap; }
.guide-table tbody th { width: 34%; color: var(--public-ink); font-weight: 650; }
.guide-table tbody tr:last-child > * { border-bottom: 0; }
.guide-table .guide-ui { margin: 2px 0; }
/* Lưu ý và ví dụ */
.guide-tip { padding: 14px 16px; border-radius: 12px; background: #fff8d6; color: #6b5300; font-size: 14px; line-height: 1.7; }
.guide-tip > strong { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; color: inherit; }
.guide-tip i { color: #b08900; }
.guide-tip ul { display: grid; gap: 6px; padding-left: 20px; }
.guide-tip strong, .guide-tip a { color: inherit; }
.guide-tip .guide-ui { border-color: #eedc8a; background: #fffbe6; color: #5b4a06; }
.guide-example { padding: 14px 16px; border-left: 3px solid var(--public-red); border-radius: 0 12px 12px 0; background: #fbfcfd; font-size: 14px; line-height: 1.7; }
.guide-example > strong { display: block; margin-bottom: 2px; color: var(--public-red); font-size: 12px; letter-spacing: .4px; text-transform: uppercase; }

/* Hình minh hoạ màn hình (guideMocks.js): khung trình duyệt, thanh đỏ và menu trái của phần mềm.
   Viền đỏ là chỗ cần bấm, chấm đỏ đánh số ứng với các bước ngay trên hình. */
.gm-figure { display: grid; gap: 8px; min-width: 0; margin: 4px 0; }
.gm-figure figcaption { color: var(--public-muted); font-size: 12px; line-height: 1.5; text-align: center; }
.gm-window { container: gm / inline-size; overflow: hidden; border: 1px solid #d9dfe8; border-radius: 12px; background: #f4f6fa; box-shadow: 0 12px 30px rgb(37 52 76 / .10); color: #23334e; font-size: 12px; line-height: 1.45; }
.gm-window i { font-size: 11px; }
.gm-bar { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-bottom: 1px solid #d9dfe8; background: #e9edf2; }
.gm-dots { display: flex; gap: 5px; }
.gm-dots i { width: 8px; height: 8px; border-radius: 50%; background: #cdd4de; }
.gm-address { display: flex; align-items: center; gap: 6px; min-width: 0; max-width: 280px; flex: 1; overflow: hidden; padding: 2px 10px; border-radius: 6px; background: #fff; color: #6b778a; font-size: 11px; white-space: nowrap; text-overflow: ellipsis; }
.gm-address i { color: #9aa5b5; font-size: 9px; }
.gm-header { display: flex; align-items: center; justify-content: space-between; height: 34px; padding: 0 12px; background: linear-gradient(110deg, #c92329 0%, var(--tts-do) 55%, #94151e 100%); color: #fff; }
.gm-logo { font-size: 12px; font-weight: 800; letter-spacing: .6px; }
.gm-account { display: flex; align-items: center; gap: 6px; padding: 2px 6px 2px 2px; border-radius: 999px; font-size: 11px; }
.gm-window .gm-account.is-target { outline-color: #fff; border-radius: 999px; }
.gm-account b { display: grid; place-items: center; width: 20px; height: 20px; border: 1.5px solid var(--tts-vang); border-radius: 50%; background: #fff8db; color: #952029; font-size: 10px; }
.gm-body { display: grid; grid-template-columns: 168px minmax(0, 1fr); min-height: 230px; }
.gm-menu { display: grid; align-content: start; gap: 2px; padding: 10px 8px; border-right: 1px solid #e5e9f0; background: #fff; }
.gm-menu span { display: flex; align-items: center; gap: 7px; padding: 6px 8px; border-radius: 7px; color: #526078; font-size: 11px; white-space: nowrap; }
.gm-menu i { width: 12px; text-align: center; }
.gm-menu .is-active { background: #fff0f0; color: var(--tts-do); font-weight: 700; }
.gm-content { position: relative; display: grid; align-content: start; gap: 10px; min-width: 0; padding: 12px; }
.gm-modal { overflow: hidden; border: 1px solid #dde3ec; border-radius: 10px; background: #fff; box-shadow: 0 8px 22px rgb(37 52 76 / .12); }
.gm-modal-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-bottom: 1px solid #edf0f5; font-size: 12px; }
.gm-modal-head > span { color: #9aa5b5; font-size: 16px; line-height: 1; }
.gm-modal-body { display: grid; gap: 9px; padding: 10px 12px; }
.gm-modal-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 6px; padding: 8px 12px; border-top: 1px solid #edf0f5; background: #fafbfc; }
.gm-field { display: grid; gap: 4px; min-width: 0; }
.gm-label { display: flex; align-items: center; gap: 4px; color: #3f4e64; font-size: 11px; font-weight: 650; }
.gm-input { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-width: 0; min-height: 26px; padding: 3px 8px; border: 1px solid #d6dce5; border-radius: 6px; background: #fff; color: #23334e; white-space: nowrap; }
.gm-input.is-placeholder { color: #9aa5b5; }
.gm-input i { color: #9aa5b5; }
.gm-prefix { display: flex; align-items: center; gap: 6px; }
.gm-prefix b { padding: 4px 8px; border-radius: 6px; background: #146db1; color: #fff; font-size: 11px; }
.gm-prefix .gm-input { flex: 1; }
.gm-textarea { display: block; min-height: 48px; padding: 5px 8px; border: 1px solid #d6dce5; border-radius: 6px; background: #fff; font-family: var(--guide-mono); font-size: 11px; }
.gm-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.gm-toolbar .gm-input { min-width: 92px; }
.gm-checks > span { display: inline-flex; align-items: center; gap: 5px; margin-right: 6px; font-size: 11px; }
.gm-check { display: inline-grid; place-items: center; flex: none; width: 13px; height: 13px; border: 1.5px solid #9aa6b8; border-radius: 3px; background: #fff; }
.gm-check.is-on { border-color: #146db1; background: #146db1; color: #fff; }
.gm-check i { font-size: 8px; }
.gm-check-target { display: inline-grid; padding: 2px; }
.gm-btn { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 6px; background: #146db1; color: #fff; font-size: 11px; font-weight: 600; white-space: nowrap; }
.gm-btn.is-secondary { background: #858796; }
.gm-btn.is-warning { background: #f6c23e; color: #3d2f00; }
.gm-btn.is-danger, .gm-btn.is-red { background: var(--tts-do); }
.gm-btn.is-success { background: #1cc88a; }
.gm-btn.is-info { background: #36b9cc; }
.gm-btn.is-orange { background: #ff9800; }
.gm-btn.is-outline { border: 1px solid #e0c3c5; background: #fff; color: var(--tts-do); }
.gm-scroll { max-width: 100%; overflow-x: auto; }
.gm-table { width: 100%; border-collapse: collapse; border: 1px solid #e3e8ef; border-radius: 8px; background: #fff; font-size: 11px; }
.gm-table :is(th, td) { padding: 5px 8px; border-bottom: 1px solid #edf0f5; text-align: left; vertical-align: middle; white-space: nowrap; }
.gm-table th { background: #f2f5fa; color: #365174; font-size: 10px; font-weight: 700; }
.gm-table tbody tr:last-child > * { border-bottom: 0; }
.gm-table .gm-input { min-height: 22px; padding: 1px 6px; }
.gm-table.is-numbers td + td { font-variant-numeric: tabular-nums; }
.gm-table .is-plus { color: var(--tts-do); font-weight: 700; }
.gm-table .is-minus { color: #1d4fb3; font-weight: 700; }
.gm-link { color: #259dba; font-weight: 600; }
.gm-wrong { padding: 0 2px; border-radius: 3px; background: #fdecec; color: #d6333a; font-weight: 700; }
.gm-badge { padding: 1px 7px; border-radius: 999px; font-size: 10px; font-weight: 600; }
.gm-badge.is-wait { background: #fff4d6; color: #8a6400; }
.gm-actions { display: inline-flex; align-items: center; gap: 8px; color: #6b778a; }
.gm-actions > span { display: inline-grid; padding: 2px 3px; }
.gm-tabs, .gm-subtabs { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; border-bottom: 1px solid #dde3ec; }
.gm-tabs > span:not(.gm-pin), .gm-subtabs span { padding: 6px 10px; color: #6b778a; font-size: 11px; font-weight: 650; }
.gm-tabs .is-active, .gm-subtabs .is-active { border-bottom: 2px solid var(--tts-do); color: var(--tts-do); }
.gm-subtabs { border-bottom: 0; }
.gm-note { display: flex; align-items: flex-start; gap: 7px; padding: 6px 9px; border: 1px solid #d9e6f2; border-radius: 8px; background: #f1f7fc; color: #34506e; font-size: 10.5px; line-height: 1.5; }
.gm-note > i { margin-top: 2px; color: #146db1; }
.gm-set-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.gm-set-head > strong { color: #22356b; font-size: 12px; }
.gm-set-list { display: grid; margin-top: 8px; overflow: hidden; border: 1px solid #e3e8ef; border-radius: 8px; background: #fff; }
.gm-set-cols, .gm-set-row { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.3fr) minmax(0, .8fr); align-items: center; gap: 8px; padding: 6px 9px; }
.gm-set-cols { background: #f2f5fa; color: #5b6b82; font-size: 9px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; }
.gm-set-row { border-top: 1px solid #edf0f5; font-size: 11px; }
.gm-set-cols .gm-pin { margin-left: 4px; }
.gm-set-type { display: flex; align-items: center; gap: 7px; min-width: 0; }
.gm-set-type strong { display: block; font-size: 11px; line-height: 1.3; }
.gm-set-type small { display: block; color: #1f9d55; font-size: 9px; }
.gm-set-row.is-off .gm-set-type small, .gm-set-row.is-off strong { color: #7a8699; }
.gm-set-row .gm-switch { flex: none; }
.gm-set-row .gm-switch.is-on { background: #1f9d55; }
.gm-set-row .gm-input { min-height: 22px; padding: 1px 6px; }
.gm-skeleton { display: grid; gap: 8px; padding: 12px; border-radius: 10px; background: #fff; }
.gm-skeleton i { display: block; height: 8px; border-radius: 4px; background: #e6eaf0; }
.gm-skeleton .is-short { width: 60%; }
.gm-dropdown { position: absolute; top: 8px; right: 10px; z-index: 1; display: grid; width: 190px; overflow: hidden; border: 1px solid #dde3ec; border-radius: 10px; background: #fff; box-shadow: 0 10px 24px rgb(37 52 76 / .18); }
.gm-dropdown-head { display: grid; padding: 8px 12px; border-bottom: 1px solid #edf0f5; color: #6b778a; font-size: 10px; }
.gm-dropdown-head strong { color: #23334e; font-size: 12px; }
.gm-dropdown-item { display: flex; align-items: center; gap: 8px; padding: 7px 12px; font-size: 11px; }
.gm-dropdown-item.is-danger { border-top: 1px solid #edf0f5; color: var(--tts-do); }
.gm-switch { position: relative; width: 24px; height: 14px; border-radius: 999px; background: #c9d1dc; }
.gm-switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 10px; height: 10px; border-radius: 50%; background: #fff; }
.gm-switch.is-on { background: #146db1; }
.gm-switch.is-on::after { left: 12px; }
.gm-login { display: grid; place-items: center; min-height: 250px; padding: 18px 12px; background: linear-gradient(135deg, #a51c22, #6e1016); }
.gm-login.is-dim { background: linear-gradient(135deg, #5d2226, #3b1518); }
.gm-login .gm-modal { width: min(100%, 360px); }
.gm-login-card { display: grid; justify-items: center; gap: 10px; width: min(100%, 250px); padding: 16px; border-radius: 12px; background: #fff; }
.gm-login-logo { padding: 6px 12px; border-radius: 8px; background: var(--tts-do); color: #fff; font-size: 13px; font-weight: 800; letter-spacing: .6px; }
.gm-login-logo small { font-size: 9px; }
.gm-login-fields { display: grid; gap: 7px; width: 100%; }
.gm-login-fields .gm-input { justify-content: flex-start; }
.gm-login-fields .gm-row .gm-btn { flex: 1; justify-content: center; padding: 6px 10px; }
.gm-login-or { color: #9aa5b5; font-size: 10px; }
.gm-login-links { display: flex; gap: 12px; color: #146db1; font-size: 10px; font-weight: 600; }
.gm-pills { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.gm-pills span:not(.gm-pin) { padding: 3px 8px; border-radius: 6px; color: #146db1; font-size: 10px; font-weight: 600; }
.gm-pills .is-active { background: #146db1; color: #fff !important; }
.gm-pay-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.gm-pay-cards > span { display: grid; gap: 2px; padding: 8px; border-radius: 8px; background: #fff; box-shadow: 0 2px 8px rgb(37 52 76 / .12); }
.gm-pay-cards > .is-active { box-shadow: inset 0 -3px 0 #f6c23e, 0 2px 8px rgb(37 52 76 / .12); }
.gm-pay-cards small { color: var(--tts-do); font-size: 9px; font-weight: 700; text-transform: uppercase; }
.gm-pay-cards strong { font-size: 11px; }
.gm-wait { display: inline-flex; align-items: center; gap: 6px; color: #e74a3b; }
.gm-pay-info { display: grid; grid-template-columns: 72px minmax(0, 1fr); align-items: start; gap: 10px; }
.gm-qr { display: grid; place-items: center; gap: 2px; aspect-ratio: 1; border: 1px solid #e3e8ef; border-radius: 8px; color: #23334e; }
.gm-qr i { font-size: 34px; }
.gm-qr small { color: #6b778a; font-size: 9px; }
.gm-pay-info dl { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 10px; margin: 0; font-size: 11px; }
.gm-pay-info dt { color: #6b778a; font-weight: 600; }
.gm-pay-info dd { margin: 0; font-weight: 650; }
.gm-pay-info dd.is-target { justify-self: start; padding: 0 4px; }
.gm-timer { color: #e74a3b; font-variant-numeric: tabular-nums; }
.gm-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.gm-window .is-target { outline: 2px solid var(--tts-do); outline-offset: 2px; border-radius: 6px; }
.gm-pin { display: inline-grid; place-items: center; flex: none; width: 18px; height: 18px; border-radius: 50%; background: var(--tts-do); box-shadow: 0 0 0 2px #fff, 0 2px 6px rgb(185 30 35 / .35); color: #fff; font-size: 10px; font-style: normal; font-weight: 800; line-height: 1; vertical-align: middle; }
.gm-label .gm-pin, .gm-menu .gm-pin, .gm-table th .gm-pin, .gm-wait .gm-pin { margin-left: 4px; }
/* Hình hẹp: bỏ menu trái để phần chính đủ chỗ */
@container gm (max-width: 520px) {
  .gm-body { grid-template-columns: minmax(0, 1fr); }
  .gm-menu { display: none; }
  .gm-dropdown { position: static; width: auto; }
}

/* Mua và gia hạn tài khoản */
.guide-plans table { font-variant-numeric: tabular-nums; }
.guide-plans :is(th, td) { vertical-align: middle; }
.guide-plans tbody :is(th, td) { color: var(--public-ink); font-weight: 650; }
.guide-plans tbody th { width: auto; white-space: nowrap; }
.guide-plan-tag { display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 999px; background: #fff0f0; color: var(--public-red); font-size: 11px; font-weight: 650; vertical-align: 1px; }
.guide-payment-flows { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.guide-payment-flow { display: grid; gap: 14px; min-width: 0; padding: 18px 20px; border: 1px solid var(--public-line); border-radius: 12px; background: #fbfcfd; font-size: 14px; line-height: 1.7; }
.guide-page .guide-payment-flow h3 { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 16px; }
.guide-payment-flow h3 i { display: grid; place-items: center; flex: none; width: 30px; height: 30px; border-radius: 8px; background: #fbe5e6; color: var(--public-red); font-size: 13px; }
.guide-payment-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.guide-payment-actions .public-button { gap: 10px; }
.guide-payment-actions .public-button i { font-size: 12px; }
.guide-payment-actions > a:not(.public-button) { display: inline-flex; align-items: center; gap: 8px; color: var(--public-blue); font-size: 14px; font-weight: 600; text-decoration: none; }
.guide-payment-actions .fa-telegram-plane { color: #229ed9; }

/* Câu hỏi thường gặp */
.guide-faq { border: 1px solid var(--public-line); border-radius: 12px; }
.guide-faq details + details { border-top: 1px solid var(--public-line); }
.guide-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; color: var(--public-ink); font-size: 15px; font-weight: 650; list-style: none; cursor: pointer; }
.guide-faq summary::-webkit-details-marker { display: none; }
.guide-faq summary i { flex: none; color: #9ca6b5; font-size: 11px; transition: transform .18s; }
.guide-faq details[open] summary i { transform: rotate(180deg); }
.guide-faq summary:hover { color: var(--public-red); }
.guide-faq details p { padding: 0 16px 16px; font-size: 14px; line-height: 1.75; }

/* Cuối trang: hỗ trợ và hướng dẫn khác */
.guide-more { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 16px; margin-top: 8px; }
.guide-support { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; padding: 24px; border: 1px solid #efd8d9; border-radius: 14px; background: #fff4f2; }
.guide-support-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 4px; border: 1px solid #f1dadd; border-radius: 10px; background: #fff; color: var(--public-red); font-size: 19px; }
.guide-support h2 { color: var(--public-ink); font-size: 19px; font-weight: 700; letter-spacing: -.2px; line-height: 1.4; }
.guide-support p { color: #856064; font-size: 13px; line-height: 1.7; }
.guide-support .public-button { margin-top: 6px; }
.guide-links { display: grid; gap: 10px; }
.guide-link { display: flex; align-items: center; gap: 12px; min-width: 0; padding: 14px 16px; border: 1px solid var(--public-line); border-radius: 12px; background: #fff; color: var(--public-ink); transition: border-color .15s; }
.guide-link-icon { display: grid; place-items: center; flex: none; width: 36px; height: 36px; border-radius: 9px; background: #eef2f8; color: var(--public-blue); font-size: 15px; }
.guide-link-text { flex: 1; min-width: 0; }
.guide-link-text strong { display: block; font-size: 14px; font-weight: 650; line-height: 1.4; }
.guide-link-text span { display: block; color: var(--public-muted); font-size: 12px; line-height: 1.5; }
.guide-link > i:last-child { flex: none; color: #9ca6b5; font-size: 11px; transition: transform .15s, color .15s; }
.guide-link:hover { border-color: #d8b1b6; color: var(--public-red); }
.guide-link:hover > i:last-child { color: var(--public-red); transform: translateX(2px); }

@media (max-width: 1199px) {
  .guide-quick ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-layout { grid-template-columns: 200px minmax(0, 1fr); gap: 22px; }
  .guide-step { padding: 22px; }
}
@media (max-width: 899px) {
  .guide-layout { grid-template-columns: minmax(0, 1fr); gap: 18px; margin-top: 22px; }
  .guide-sidebar { position: static; }
  .guide-toc { flex-direction: row; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
  .guide-toc-label { display: none; }
  .guide-toc a { flex: none; min-height: 38px; padding: 8px 12px; border: 1px solid var(--public-line); background: #fff; white-space: nowrap; }
  .guide-toc a[aria-current] { border-color: #efd0d3; }
  .guide-more, .guide-payment-flows { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 575px) {
  .guide-quick { margin-top: 20px; }
  .guide-quick ol { gap: 14px 10px; }
  .guide-quick a { flex-direction: column; align-items: flex-start; gap: 8px; padding: 16px 12px 12px; }
  .guide-quick-icon { width: 32px; height: 32px; font-size: 14px; }
  .guide-quick-text strong { font-size: 13px; }
  .guide-main { gap: 16px; }
  .guide-step { padding: 18px 16px; border-radius: 12px; }
  .guide-step-head { gap: 12px; margin-bottom: 16px; padding-bottom: 14px; }
  .guide-step-index { width: 34px; height: 34px; font-size: 12px; }
  .guide-step h2 { font-size: 18px; }
  .guide-body, .guide-body .guide-lead { font-size: 14px; }
  .guide-table table { font-size: 13px; }
  .guide-table :is(th, td) { padding: 10px 12px; }
  .guide-table thead th { font-size: 11px; white-space: normal; }
  .guide-table tbody th { width: 40%; }
  .guide-plans tbody th { width: auto; }
  .guide-plan-tag { display: table; margin: 4px 0 0; }
  .guide-payment-flow { padding: 16px; }
  .gm-pair { grid-template-columns: minmax(0, 1fr); }
  .guide-payment-actions .public-button { width: 100%; }
  .guide-support { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .guide-quick a, .guide-toc a, .guide-link, .guide-link > i:last-child, .guide-faq summary i { transition: none; }
}