/* ==========================================================================
   SHBET — thành phần cấp trang
   Nhật báo thể thao: cột báo, bảng số liệu, đường kẻ đen, không bo góc.
   Chỉ nạp sau base.css.
   ========================================================================== */

/* ---------- 1. Đầu trang con ---------- */
.phead { border-bottom: 1px solid var(--ink); background: var(--paper); position: relative; overflow: hidden; }
.phead::after {
  content: ""; position: absolute; right: -30px; top: 0; bottom: 0; width: 180px;
  background: repeating-linear-gradient(115deg, rgba(20, 24, 28, .05) 0 10px, transparent 10px 20px);
  pointer-events: none;
}
.phead__in { padding: 18px 0 24px; position: relative; z-index: 1; }
.phead__top { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.phead__no {
  font-family: var(--num); font-size: 9.5px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--muted-2);
}
.phead__no b { color: var(--red); }
.phead h1 { font-size: clamp(26px, 3.8vw, 42px); max-width: 880px; }
.phead h1 em { font-style: normal; color: var(--red); }
.phead__lead { margin-top: 10px; font-size: 14px; color: var(--ink-2); max-width: 720px; }
.phead__lead b { background: var(--yellow); padding: 0 3px; }
.phead__meta { display: flex; flex-wrap: wrap; gap: 0; margin-top: 16px; border: 1px solid var(--line); background: var(--white); }
.phead__meta span {
  padding: 7px 12px; font-family: var(--num); font-size: 10px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); border-right: 1px solid var(--line);
}
.phead__meta span:last-child { border-right: 0; }
.phead__meta b { color: var(--ink); }

/* ---------- 2. Đường dẫn ---------- */
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; font-size: 11.5px; color: var(--muted); }
.crumbs a { color: var(--ink-2); border-bottom: 1px solid var(--line); }
.crumbs a:hover { color: var(--red); border-color: var(--red); }
.crumbs i { font-style: normal; color: var(--muted-2); }
.crumbs span { color: var(--ink); font-weight: 700; }

/* ---------- 3. Bố cục nội dung + cột phụ ---------- */
.page-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 34px; align-items: start; }
.page-grid > aside { display: grid; gap: 18px; position: sticky; top: 66px; }
@media (max-width: 1020px) {
  .page-grid { grid-template-columns: 1fr; gap: 26px; }
  .page-grid > aside { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) { .page-grid > aside { grid-template-columns: 1fr; } }

/* ---------- 4. Thanh công cụ lọc ---------- */
.toolbar { border: 1px solid var(--ink); background: var(--white); margin-bottom: 20px; }
.toolbar__row { display: flex; align-items: stretch; border-bottom: 1px solid var(--line); }
.toolbar__row:last-child { border-bottom: 0; }
.toolbar__label {
  flex: none; display: grid; place-items: center; padding: 0 12px;
  background: var(--ink); color: var(--white);
  font-family: var(--num); font-size: 9px; letter-spacing: .16em; text-transform: uppercase;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 9px 10px; flex: 1; }
.chip {
  padding: 5px 11px; border: 1px solid var(--line); background: var(--paper);
  font-family: var(--num); font-size: 10.5px; letter-spacing: .04em; color: var(--ink-2);
  transition: all .13s ease;
}
.chip:hover { border-color: var(--ink); background: var(--paper-3); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--white); border-color: var(--ink); }
.chip small { margin-left: 4px; opacity: .6; }

.searchbox { display: flex; align-items: stretch; gap: 0; border-top: 1px solid var(--line); }
.searchbox input {
  flex: 1; min-width: 0; padding: 10px 12px; border: 0; background: var(--white);
  font-family: var(--sans); font-size: 13px; color: var(--ink);
}
.searchbox input::placeholder { color: var(--muted-2); }
.searchbox input:focus { outline: none; background: var(--paper); }
.searchbox button {
  flex: none; padding: 0 18px; background: var(--ink); color: var(--white);
  font-family: var(--num); font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
}
.searchbox button:hover { background: var(--red); }
.result-line {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--line);
  font-family: var(--num); font-size: 10.5px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
}
.result-line b { color: var(--ink); }

/* ---------- 5. Nhóm theo môn ---------- */
.cat-sec { margin-bottom: 30px; scroll-margin-top: 92px; }
.cat-sec__head {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 12px;
  padding-bottom: 7px; margin-bottom: 14px; border-bottom: 2px solid var(--ink);
}
.cat-sec__no { font-family: var(--num); font-size: 10px; letter-spacing: .16em; color: var(--red); }
.cat-sec__head h2 { font-size: 19px; }
.cat-sec__head p { font-size: 12px; color: var(--muted); }
.cat-sec__head .link-arrow { margin-left: auto; }

/* ---------- 6. Lưới sự kiện đầy đủ ---------- */
.evgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 760px) { .evgrid { grid-template-columns: 1fr; } }
.evcard {
  display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(20, 24, 28, .12);
  transition: box-shadow .14s ease, transform .14s ease;
}
.evcard:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 rgba(20, 24, 28, .2); }
.evcard__top {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 7px 11px; border-bottom: 1px solid var(--line); background: var(--paper);
}
.evcard__league { font-family: var(--num); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.evcard__live { font-family: var(--num); font-size: 8.5px; letter-spacing: .12em; padding: 2px 5px; background: var(--red); color: var(--white); }
.evcard__body { padding: 12px 12px 13px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.evcard__teams { font-size: 15px; font-weight: 800; line-height: 1.28; }
.evcard__teams i { font-style: normal; font-family: var(--num); font-size: 11px; color: var(--muted-2); padding: 0 4px; }
.evcard__meta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-family: var(--num); font-size: 10px; color: var(--muted); letter-spacing: .04em;
}
.evcard__meta em { font-style: normal; padding: 1px 5px; background: var(--paper-2); }
.evcard__odds { display: flex; gap: 5px; margin-top: auto; }
.evcard__odds button {
  flex: 1; padding: 6px 2px; border: 1px solid var(--line);
  background: var(--paper); font-family: var(--num); font-size: 11.5px; font-weight: 700;
  display: grid; gap: 1px; text-align: center;
}
.evcard__odds button small { font-size: 8px; letter-spacing: .1em; color: var(--muted-2); font-weight: 400; }
.evcard__odds button:hover, .evcard__odds button.is-on { background: var(--yellow); border-color: var(--ink); color: var(--ink); }

/* ---------- 7. Trạng thái rỗng ---------- */
.empty {
  display: none; padding: 46px 20px; text-align: center;
  border: 1px dashed var(--line); background: var(--white);
}
.empty.is-on { display: block; }
.empty b { display: block; font-size: 17px; margin-bottom: 6px; }
.empty p { font-size: 12.5px; color: var(--muted); }

/* ---------- 8. Danh sách khuyến mãi ---------- */
.promos { display: grid; gap: 12px; }
.promo {
  display: grid; grid-template-columns: 132px minmax(0, 1fr) 132px;
  background: var(--white); border: 1px solid var(--ink);
  position: relative; overflow: hidden;
}
.promo::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: var(--pc, var(--red));
}
.promo__val {
  display: grid; place-content: center; text-align: center; padding: 18px 10px;
  border-right: 1px dashed var(--line);
  background: repeating-linear-gradient(135deg, var(--paper-2) 0 9px, var(--paper) 9px 18px);
}
.promo__val b { font-family: var(--num); font-size: 25px; line-height: 1; color: var(--pc, var(--red)); letter-spacing: -.03em; }
.promo__val span { margin-top: 5px; font-family: var(--num); font-size: 8.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.promo__body { padding: 16px 18px; }
.promo__body h3 { font-size: 16px; }
.promo__body p { margin-top: 5px; font-size: 12.5px; color: var(--muted); }
.promo__tag {
  display: inline-block; margin-bottom: 7px; padding: 2px 7px;
  font-family: var(--num); font-size: 8.5px; letter-spacing: .16em; text-transform: uppercase;
  background: var(--ink); color: var(--white);
}
.promo__rules { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 9px; font-size: 11px; color: var(--muted); }
.promo__rules span::before { content: "▪ "; color: var(--pc, var(--red)); }
.promo__side {
  display: flex; flex-direction: column; justify-content: center; align-items: stretch; gap: 7px;
  padding: 16px 14px; border-left: 1px solid var(--line-2);
}
.promo__side .code-line { font-family: var(--num); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); text-align: center; }
.promo__side .code-line b { display: block; margin-top: 2px; font-size: 13px; color: var(--ink); letter-spacing: .12em; }
@media (max-width: 820px) {
  .promo { grid-template-columns: 104px minmax(0, 1fr); }
  .promo__side { grid-column: 1 / -1; flex-direction: row; align-items: center; border-left: 0; border-top: 1px solid var(--line-2); }
  .promo__side .code-line { text-align: left; }
  .promo__side .code-line b { display: inline; margin-left: 4px; }
}
@media (max-width: 520px) {
  .promo { grid-template-columns: 1fr; }
  .promo__val { border-right: 0; border-bottom: 1px dashed var(--line); }
}

/* ---------- 9. Các bước hướng dẫn ---------- */
.steps { display: grid; gap: 0; border-top: 2px solid var(--ink); counter-reset: st; }
.step { display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: 0; border-bottom: 1px solid var(--line); counter-increment: st; }
.step__no {
  display: grid; place-items: start center; padding-top: 16px;
  font-family: var(--num); font-size: 20px; font-weight: 700; color: var(--red);
  border-right: 1px solid var(--line);
}
.step__no::before { content: counter(st, decimal-leading-zero); }
.step__body { padding: 15px 0 17px 16px; }
.step__body h3 { font-size: 15.5px; }
.step__body p { margin-top: 5px; font-size: 12.5px; color: var(--muted); }
.step__body ul { margin-top: 7px; display: grid; gap: 4px; }
.step__body li { position: relative; padding-left: 14px; font-size: 12.5px; color: var(--ink-2); }
.step__body li::before { content: "—"; position: absolute; left: 0; color: var(--red); }

/* ---------- 10. Hộp ghi chú ---------- */
.tipbox { border: 1px solid var(--ink); background: var(--white); border-left: 6px solid var(--blue); padding: 15px 17px; margin: 18px 0; }
.tipbox h3 { font-family: var(--num); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--blue); margin-bottom: 7px; }
.tipbox p { font-size: 12.5px; color: var(--ink-2); }
.tipbox ul { margin-top: 7px; display: grid; gap: 5px; }
.tipbox li { position: relative; padding-left: 15px; font-size: 12.5px; color: var(--ink-2); }
.tipbox li::before { content: "▪"; position: absolute; left: 0; color: var(--blue); }
.tipbox--warn { border-left-color: var(--red); }
.tipbox--warn h3 { color: var(--red); }
.tipbox--warn li::before { color: var(--red); }

/* ---------- 11. Bảng thuật ngữ ---------- */
.gloss { display: grid; grid-template-columns: 1fr; border-top: 2px solid var(--ink); }
.gloss__row { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 16px; padding: 11px 2px; border-bottom: 1px solid var(--line); }
.gloss__row dt { font-family: var(--num); font-size: 12px; font-weight: 700; color: var(--red); letter-spacing: .04em; }
.gloss__row dd { margin: 0; font-size: 12.5px; color: var(--ink-2); }
@media (max-width: 560px) { .gloss__row { grid-template-columns: 1fr; gap: 3px; } }

/* ---------- 12. Tin tức ---------- */
.news { display: grid; grid-template-columns: 1.25fr 1fr; gap: 0; border-top: 2px solid var(--ink); border-left: 1px solid var(--line); }
.news__lead { position: relative; padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.news__lead .post__cat { background: var(--red); color: var(--white); }
.news__lead h3 { font-size: 22px; margin: 9px 0 8px; max-width: 460px; }
.news__lead p { font-size: 12.5px; color: var(--muted); max-width: 480px; }
.news__list { display: grid; }
@media (max-width: 860px) { .news { grid-template-columns: 1fr; } .news__lead { border-right: 0; } }
.news__list .post:last-child { border-bottom: 1px solid var(--line); }

.post {
  display: grid; gap: 4px; padding: 13px 16px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--white); transition: background .14s ease;
}
.post:hover { background: var(--paper-2); }
.news__list .post { border-right: 0; }
.post__cat { display: inline-block; width: fit-content; padding: 1px 6px; font-family: var(--num); font-size: 8.5px; letter-spacing: .14em; text-transform: uppercase; background: var(--ink); color: var(--white); }
.post h3 { font-size: 14px; line-height: 1.35; }
.post__meta { font-family: var(--num); font-size: 10px; color: var(--muted-2); letter-spacing: .04em; }

/* ---------- 13. Bài viết dài ---------- */
.article-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 288px; gap: 36px; align-items: start; }
@media (max-width: 980px) { .article-wrap { grid-template-columns: 1fr; gap: 26px; } }
.article { max-width: 760px; }
.article__meta {
  display: flex; flex-wrap: wrap; gap: 8px 16px; padding: 9px 12px; margin-bottom: 20px;
  border: 1px solid var(--line); background: var(--white);
  font-family: var(--num); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.article__meta b { color: var(--ink); }
.article h2 {
  font-size: clamp(19px, 2.3vw, 24px); margin: 30px 0 10px; padding-top: 12px;
  border-top: 2px solid var(--ink); scroll-margin-top: 84px;
}
.article h3 { font-size: 16.5px; margin: 20px 0 7px; }
.article p { margin: 9px 0; font-size: 14.5px; color: var(--ink-2); }
.article p b { background: var(--paper-3); padding: 0 2px; }
.article ul, .article ol { margin: 10px 0; display: grid; gap: 6px; }
.article ul li { position: relative; padding-left: 17px; font-size: 14px; color: var(--ink-2); }
.article ul li::before { content: "▪"; position: absolute; left: 0; top: 0; color: var(--red); }
.article ol { counter-reset: ar; }
.article ol li { position: relative; padding-left: 24px; font-size: 14px; color: var(--ink-2); counter-increment: ar; }
.article ol li::before { content: counter(ar) "."; position: absolute; left: 0; font-family: var(--num); font-weight: 700; color: var(--red); }
.article table { margin: 14px 0; border: 1px solid var(--ink); font-size: 13px; }
.article th {
  text-align: left; padding: 8px 10px; background: var(--ink); color: var(--white);
  font-family: var(--num); font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
}
.article td { padding: 8px 10px; border-bottom: 1px solid var(--line-2); color: var(--ink-2); }
.article tr:last-child td { border-bottom: 0; }
.article blockquote {
  margin: 16px 0; padding: 12px 16px; border-left: 5px solid var(--yellow);
  background: var(--white); font-size: 14px; font-weight: 700; color: var(--ink);
}
.article__end { margin-top: 24px; padding: 14px 16px; border: 1px solid var(--ink); background: var(--white); border-top: 4px solid var(--red); }
.article__end p { font-size: 13px; color: var(--muted); }

.aside-card { border: 1px solid var(--ink); background: var(--white); }
.aside-card h3 {
  padding: 8px 12px; background: var(--ink); color: var(--white);
  font-family: var(--num); font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase;
}
.aside-card ol { padding: 10px 12px; display: grid; gap: 7px; counter-reset: toc; }
.aside-card ol li { counter-increment: toc; font-size: 12.5px; }
.aside-card ol a { display: flex; gap: 7px; color: var(--ink-2); line-height: 1.4; }
.aside-card ol a::before { content: counter(toc, decimal-leading-zero); font-family: var(--num); font-size: 10px; color: var(--red); flex: none; padding-top: 2px; }
.aside-card ol a:hover { color: var(--red); }
.aside-card > p { padding: 12px; }
.mini-list { display: grid; }
.mini-list a { display: grid; gap: 2px; padding: 9px 12px; border-bottom: 1px solid var(--line-2); font-size: 12.5px; font-weight: 700; line-height: 1.35; }
.mini-list a:last-child { border-bottom: 0; }
.mini-list a span { font-family: var(--num); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); font-weight: 400; }
.mini-list a:hover { background: var(--paper-2); color: var(--red); }

/* ---------- 14. Giới thiệu ---------- */
.about-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 34px; align-items: start; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }
.about-grid h2 { font-size: 24px; margin-bottom: 10px; }
.about-grid p { font-size: 14px; color: var(--ink-2); margin: 9px 0; }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--ink); }
.fact { padding: 14px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.fact:nth-child(2n) { border-right: 0; }
.fact:nth-last-child(-n+2) { border-bottom: 0; }
.fact b { display: block; font-family: var(--num); font-size: 24px; line-height: 1; color: var(--blue); }
.fact span { display: block; margin-top: 5px; font-size: 10.5px; color: var(--muted); }

.vals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 860px) { .vals { grid-template-columns: 1fr; } }
.val { padding: 15px 16px; background: var(--white); border: 1px solid var(--ink); border-top: 5px solid var(--vc, var(--red)); }
.val h3 { font-size: 14.5px; margin-bottom: 6px; }
.val p { font-size: 12.5px; color: var(--muted); }
.val__no { display: block; font-family: var(--num); font-size: 10px; letter-spacing: .16em; color: var(--vc, var(--red)); margin-bottom: 6px; }

.timeline { border-left: 3px solid var(--ink); padding-left: 20px; display: grid; gap: 18px; }
.tl { position: relative; }
.tl::before {
  content: ""; position: absolute; left: -27px; top: 4px; width: 11px; height: 11px;
  background: var(--white); border: 2px solid var(--red);
}
.tl__year { font-family: var(--num); font-size: 11px; letter-spacing: .14em; color: var(--red); font-weight: 700; }
.tl__body h3 { font-size: 14.5px; margin: 3px 0 4px; }
.tl__body p { font-size: 12.5px; color: var(--muted); }

/* ---------- 15. Liên hệ ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 30px; align-items: start; }
@media (max-width: 940px) { .contact-grid { grid-template-columns: 1fr; } }
.form { border: 1px solid var(--ink); background: var(--white); padding: 20px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 5px; margin-bottom: 14px; }
.field label { font-family: var(--num); font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.field label b { color: var(--red); }
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 11px; border: 1px solid var(--line);
  background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 13.5px;
  border-radius: 0;
}
.field textarea { min-height: 122px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); background: var(--white); box-shadow: inset 0 -2px 0 var(--yellow); }
.field .err { display: none; font-size: 11px; color: var(--red); }
.field.is-bad input, .field.is-bad select, .field.is-bad textarea { border-color: var(--red); background: #fdf1f2; }
.field.is-bad .err { display: block; }
.form__note { font-size: 11px; color: var(--muted-2); margin-top: 4px; }
.form__ok { display: none; margin-top: 12px; padding: 11px 13px; border: 1px solid var(--green); background: #eef7f1; font-size: 12.5px; color: var(--green); font-weight: 700; }
.form__ok.is-on { display: block; }

.info-list { display: grid; border-top: 2px solid var(--ink); }
.info { padding: 12px 0; border-bottom: 1px solid var(--line); }
.info h3 { font-family: var(--num); font-size: 9.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 4px; }
.info p, .info a { font-size: 13.5px; font-weight: 700; color: var(--ink); word-break: break-word; }
.info a:hover { color: var(--red); }
.info small { display: block; margin-top: 3px; font-size: 11.5px; color: var(--muted); font-weight: 400; }
.hours { border: 1px solid var(--ink); background: var(--white); }
.hours__row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 12px; border-bottom: 1px solid var(--line-2); font-size: 12.5px; }
.hours__row:last-child { border-bottom: 0; }
.hours__row span { color: var(--muted); }
.hours__row b { font-family: var(--num); font-size: 12px; }
.hours__row.is-now { background: rgba(255, 225, 77, .35); }

/* ---------- 16. Trang pháp lý ---------- */
.legal { max-width: 820px; }
.legal h2 {
  font-size: 19px; margin: 26px 0 9px; padding-top: 10px; border-top: 1px solid var(--line);
  scroll-margin-top: 84px;
}
.legal h2:first-of-type { margin-top: 0; border-top: 0; padding-top: 0; }
.legal p { margin: 8px 0; font-size: 14px; color: var(--ink-2); }
.legal ul, .legal ol { margin: 9px 0; display: grid; gap: 6px; }
.legal li { position: relative; padding-left: 17px; font-size: 13.5px; color: var(--ink-2); }
.legal ul li::before { content: "▪"; position: absolute; left: 0; color: var(--red); }
.legal ol { counter-reset: lg; }
.legal ol li { padding-left: 23px; counter-increment: lg; }
.legal ol li::before { content: counter(lg) "."; position: absolute; left: 0; font-family: var(--num); font-weight: 700; color: var(--red); }
.legal__meta {
  display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 9px 12px; margin-bottom: 18px;
  border: 1px solid var(--line); background: var(--white);
  font-family: var(--num); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.legal__meta b { color: var(--ink); }

/* ---------- 17. 404 ---------- */
.nf { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; align-items: center; padding: 54px 0 64px; }
.nf__code {
  font-family: var(--num); font-size: clamp(84px, 17vw, 178px); font-weight: 700;
  line-height: .82; letter-spacing: -.06em; color: var(--ink);
}
.nf__code em { font-style: normal; color: var(--red); }
.nf h1 { font-size: clamp(21px, 3vw, 30px); margin: 14px 0 8px; }
.nf p { font-size: 13.5px; color: var(--muted); max-width: 460px; }
.nf__box { border: 1px solid var(--ink); background: var(--white); padding: 16px; }
.nf__box h2 { font-family: var(--num); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; padding-bottom: 8px; margin-bottom: 8px; border-bottom: 2px solid var(--ink); }
.nf__box a { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px dotted var(--line); font-size: 13px; font-weight: 700; }
.nf__box a:last-child { border-bottom: 0; }
.nf__box a span { font-family: var(--num); font-size: 10px; color: var(--red); }
.nf__box a:hover { color: var(--red); }
@media (max-width: 860px) { .nf { grid-template-columns: 1fr; gap: 26px; padding: 34px 0 46px; } }

/* ---------- 18. Máy tính tỷ lệ cược ---------- */
.bcalc { border: 1px solid var(--ink); background: var(--white); }
.bcalc__head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 9px 13px; background: var(--ink); color: var(--white);
  font-family: var(--num); font-size: 9.5px; letter-spacing: .16em; text-transform: uppercase;
}
.bcalc__head b { color: var(--yellow); }
.bcalc__body { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.bcalc__fields { padding: 14px; display: grid; gap: 11px; border-right: 1px solid var(--line); }
.bcalc__out {
  padding: 14px; display: grid; align-content: center; gap: 8px;
  background: repeating-linear-gradient(135deg, var(--paper-2) 0 8px, var(--paper) 8px 16px);
}
.bcalc__out b { font-family: var(--num); font-size: 27px; line-height: 1; color: var(--blue); letter-spacing: -.03em; }
.bcalc__out span { font-family: var(--num); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.bcalc__out em { font-style: normal; font-family: var(--num); font-size: 11px; color: var(--ink); background: var(--yellow); padding: 2px 6px; width: fit-content; }
.bcalc__range { display: grid; gap: 4px; }
.bcalc__range label { display: flex; justify-content: space-between; gap: 8px; font-family: var(--num); font-size: 9.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.bcalc__range label b { color: var(--ink); }
.bcalc__range input[type="range"] { width: 100%; accent-color: var(--red); }
.bcalc__foot { grid-column: 1 / -1; padding: 9px 13px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
@media (max-width: 620px) {
  .bcalc__body { grid-template-columns: 1fr; }
  .bcalc__fields { border-right: 0; border-bottom: 1px solid var(--line); }
}

/* ---------- 19. Bảng số liệu ---------- */
.board { width: 100%; border: 1px solid var(--ink); background: var(--white); font-size: 12.5px; }
.board thead th {
  padding: 8px 10px; background: var(--ink); color: var(--white); text-align: left;
  font-family: var(--num); font-size: 9px; letter-spacing: .14em; text-transform: uppercase;
}
.board td { padding: 8px 10px; border-bottom: 1px solid var(--line-2); }
.board tbody tr:last-child td { border-bottom: 0; }
.board tbody tr:hover td { background: var(--paper-2); }
.board td.num, .board th.num { text-align: right; font-family: var(--num); }
.board .up { color: var(--green); font-family: var(--num); font-size: 11px; }
.board .down { color: var(--red); font-family: var(--num); font-size: 11px; }
.board__scroll { overflow-x: auto; }

/* ---------- 20. Câu hỏi thường gặp dạng hai cột ---------- */
.faq--two { display: grid; grid-template-columns: 1fr 1fr; gap: 0 34px; }
@media (max-width: 860px) { .faq--two { grid-template-columns: 1fr; gap: 0; } }

/* ---------- 21. Bố cục hai cột ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

/* ---------- 22. Ghi chú ---------- */
.note { padding: 12px 14px; border: 1px dashed var(--line); background: var(--paper-2); font-size: 12px; color: var(--muted); }
.note b { color: var(--ink); }

/* ---------- 23. Hiệu ứng nút ở khối dẫn trang chủ ---------- */
.lead .btn-row .btn {
  position: relative;
  overflow: hidden;
  animation: sh-rise .52s cubic-bezier(.2, .7, .3, 1) backwards;
}
.lead .btn-row .btn:nth-child(1) { animation-delay: .08s; }
.lead .btn-row .btn:nth-child(2) { animation-delay: .2s; }
.lead .btn-row .btn > span { position: relative; z-index: 1; }

@keyframes sh-rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* vệt sáng chéo quét qua như ánh in trên mặt giấy */
.lead .btn-row .btn::before {
  content: "";
  position: absolute;
  top: -70%;
  bottom: -70%;
  left: 0;
  width: 34%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .68), transparent);
  transform: translateX(-200%) skewX(-18deg);
  animation: sh-sweep 3s ease-in-out infinite;
  pointer-events: none;
}
.lead .btn-row .btn:hover::before { animation-duration: 1.6s; }

.lead .btn-row .btn--ghost::before {
  background: linear-gradient(100deg, transparent, rgba(215, 38, 61, .22), transparent);
  animation-delay: 1.2s;
}

@keyframes sh-sweep {
  0%, 30% { transform: translateX(-200%) skewX(-18deg); }
  74%, 100% { transform: translateX(480%) skewX(-18deg); }
}

/* nhịp báo: nút chính phồng nhẹ, bóng cứng nảy ra như con dấu */
.lead .btn-row .btn:not(.btn--ghost) {
  animation: sh-rise .52s .08s cubic-bezier(.2, .7, .3, 1) backwards, sh-pulse 2.6s 1s ease-in-out infinite;
}

@keyframes sh-pulse {
  0%, 100% { scale: 1; box-shadow: 3px 3px 0 var(--ink); }
  50% { scale: 1.025; box-shadow: 6px 6px 0 var(--ink); }
}

/* gạch chân đỏ bung dần ở nút phụ */
.lead .btn-row .btn--ghost::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .26s ease;
}
.lead .btn-row .btn--ghost:hover::after,
.lead .btn-row .btn--ghost:focus-visible::after { transform: scaleX(1); }

@media (prefers-reduced-motion: reduce) {
  .lead .btn-row .btn,
  .lead .btn-row .btn::before { animation: none; }
  .lead .btn-row .btn--ghost::after { transition: none; }
}