/* Trang giới thiệu bộ slide Mindset for IELTS (dựng lại từ mindsetforielts.html) */
@import url("https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@1,400&display=swap");

/* Chặn CSS toàn site (g-*.css) tác động vào trang: chỉ ở mức thẻ nên mọi class của trang vẫn thắng.
   Trang không dùng header cố định của site nên bỏ padding-top 80px của body. */
body.tse-msl-body { padding-top: 0; font-size: 16px; line-height: normal; }
:where(.tse-msl, .tse-msl-portal) p { margin: 0; color: inherit; line-height: inherit; letter-spacing: inherit; }
:where(.tse-msl, .tse-msl-portal) h1, :where(.tse-msl, .tse-msl-portal) h2, :where(.tse-msl, .tse-msl-portal) h3,
:where(.tse-msl, .tse-msl-portal) h4, :where(.tse-msl, .tse-msl-portal) h5, :where(.tse-msl, .tse-msl-portal) h6,
:where(.tse-msl, .tse-msl-portal) small { font-size: revert; font-weight: revert; }
:where(.tse-msl, .tse-msl-portal) button, :where(.tse-msl, .tse-msl-portal) input, :where(.tse-msl, .tse-msl-portal) textarea,
button:where(.tse-msl-portal) { border-radius: revert; text-transform: revert; transition: revert; font-size: revert; line-height: revert; }
:where(.tse-msl-portal) button { padding: 0; }

/* ===== KHUNG TRANG (lề hai bên, nền trắng) ===== */
.tse-msl-page { padding: 0 16px 24px; background: #fff; }
@media (min-width: 640px) { .tse-msl-page { padding: 0 32px 32px; } }

/* ===== ROOT + BLOCK ===== */
.tse-msl-root { container-type: inline-size; width: 100%; }

.tse-msl {
  /* Bộ màu gốc TESOL #1235AE */
  --tse-msl-brand: #1235AE;
  --tse-msl-brand-hover: #0E2B8F;
  --tse-msl-brand-light: #4A6FE3;
  --tse-msl-deep: #0B2275;
  --tse-msl-ink: #0A1640;
  --tse-msl-accent: #8FB0FF;
  --tse-msl-accent-top: #DCE4FF;
  --tse-msl-ice: #EEF2FF;
  --tse-msl-red: #E60012;
  --tse-msl-cta: #FDCB04;
  --tse-msl-cta-top: #FFE680;
  --tse-msl-muted: rgba(10, 22, 64, 0.7);
  --tse-msl-line: rgba(10, 22, 64, 0.1);
  --tse-msl-shadow: 0 1px 2px rgba(10, 22, 64, 0.04), 0 4px 12px -6px rgba(10, 22, 64, 0.08); /* bóng rất nhẹ, dùng chung */
  --tse-msl-grad: linear-gradient(90deg, var(--tse-msl-deep), var(--tse-msl-brand) 55%, var(--tse-msl-brand-light));
  font-family: "Be Vietnam Pro", system-ui, sans-serif;
  color: var(--tse-msl-ink);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  gap: 7em;
  font-size: calc(0.5555cqw + 5.333px);
}
@container (max-width: 1920px) { .tse-msl { font-size: 0.833333cqw; } }
@container (max-width: 1440px) { .tse-msl { font-size: 1.111111cqw; } }
@container (max-width: 1024px) { .tse-msl { font-size: 1.5625cqw; } }
@container (max-width: 640px)  { .tse-msl { font-size: 4.444444cqw; gap: 4.5em; } }

/* reset trong block */
.tse-msl *, .tse-msl *::before, .tse-msl *::after { box-sizing: border-box; margin: 0; padding: 0; }
.tse-msl ul, .tse-msl ol { list-style: none; }
.tse-msl img { display: block; max-width: 100%; }
:where(.tse-msl) a { color: inherit; text-decoration: none; }
:where(.tse-msl) button { cursor: pointer; font: inherit; color: inherit; background: none; border: 0; }
.tse-msl strong, .tse-msl b { font-weight: 600; }
.tse-msl :focus-visible { outline: 2px solid var(--tse-msl-brand-light); outline-offset: 2px; }
.tse-msl section { scroll-margin-top: 6em; }

/* ===== DÙNG CHUNG ===== */
.tse-msl__inner { width: 100%; max-width: 80em; margin-inline: auto; }
.tse-msl__grad { background: var(--tse-msl-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tse-msl__panel { border-radius: 1.5em; padding: 4em; }
.tse-msl__panel--lav { background: var(--tse-msl-ice); }

.tse-msl__sh { max-width: 52em; margin: 0 auto 3em; text-align: center; }
.tse-msl__sh--left { margin-left: 0; text-align: left; }
.tse-msl__eyebrow {
  display: inline-flex; align-items: center; gap: 0.5em;
  padding: 0.375em 0.875em; border-radius: 9999px;
  background: var(--tse-msl-accent-top); color: var(--tse-msl-brand);
  font-size: 0.875em; font-weight: 500;
}
.tse-msl__h2 { font-size: 3em; font-weight: 700; line-height: 1.15; letter-spacing: -0.01em; }
.tse-msl__eyebrow + .tse-msl__h2 { margin-top: 0.4em; }
.tse-msl__h2--md { font-size: 2.25em; line-height: 1.25; }
.tse-msl__h3 { font-size: 1.5em; font-weight: 700; line-height: 1.3; }

.tse-msl__btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  padding: 1em 1.75em; border-radius: 9999px; border: 2px solid transparent;
  font-size: 1.0625em; font-weight: 500; line-height: 1; white-space: nowrap;
  transition: transform 200ms cubic-bezier(0.4, 0, 0.2, 1), background-color 200ms;
}
.tse-msl__btn svg { flex: none; width: 1.125em; height: 1.125em; }
.tse-msl__btn--solid { background: var(--tse-msl-brand); color: #fff; }
.tse-msl__btn--primary {
  position: relative; isolation: isolate; height: 3em; padding: 0 1.5em;
  border: 2px solid var(--tse-msl-ink); border-bottom-width: 5px;
  background: linear-gradient(180deg, var(--tse-msl-cta-top) 0%, var(--tse-msl-cta) 100%);
  box-shadow: none;
  color: var(--tse-msl-ink); font-weight: 500;
  transform: translateY(-3px);
  transition: transform 200ms linear, border-bottom-width 200ms linear, box-shadow 200ms linear, filter 200ms linear;
}
.tse-msl__btn--primary::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
  background: linear-gradient(110deg, rgba(255, 255, 255, 0) 38%, rgba(255, 255, 255, 0.75) 50%, rgba(255, 255, 255, 0) 62%) no-repeat;
  background-size: 250% 100%; background-position: 150% 0;
  animation: tse-msl-shine 3.2s ease-in-out 1s infinite;
}
.tse-msl__btn--primary::after { content: ""; position: absolute; inset: -2px; z-index: -2; border-radius: inherit; pointer-events: none; animation: tse-msl-pulse 2.4s ease-out infinite; }
.tse-msl__btn--primary > svg { animation: tse-msl-nudge 1.6s ease-in-out infinite; }
.tse-msl__btn--primary:active { transform: translateY(0); border-bottom-width: 2px; box-shadow: none; }
@keyframes tse-msl-shine { 0% { background-position: 150% 0; } 45%, 100% { background-position: -50% 0; } }
@keyframes tse-msl-pulse { 0% { box-shadow: 0 0 0 0 rgba(253, 203, 4, 0.35); } 70% { box-shadow: 0 0 0 0.75em rgba(253, 203, 4, 0); } 100% { box-shadow: 0 0 0 0 rgba(253, 203, 4, 0); } }
@keyframes tse-msl-nudge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(0.25em); } }
.tse-msl__btn--ghost { border-color: var(--tse-msl-line); color: var(--tse-msl-ink); background: #fff; }
.tse-msl__btn--light { height: 3em; padding: 0 1.5em; border-width: 1px; border-color: rgba(255, 255, 255, 0.4); background: transparent; color: #fff; font-weight: 400; }
.tse-msl__btn--sm { padding: 0.75em 1.25em; font-size: 0.9375em; }

.tse-msl__ph {
  position: relative; width: 100%;
  aspect-ratio: var(--tse-msl-ratio, 16 / 9);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.25em;
  padding: 1em; text-align: center;
  background: repeating-linear-gradient(45deg, var(--tse-msl-ice) 0 0.75em, var(--tse-msl-accent-top) 0.75em 1.5em);
  border: 2px dashed var(--tse-msl-brand-light); border-radius: 0.75em;
  color: var(--tse-msl-brand); font-size: 0.8125em;
}
.tse-msl__ph strong { font-weight: 500; word-break: break-all; }
.tse-msl__ph small { opacity: 0.8; }

.tse-msl__img { display: block; width: 100%; height: auto; border-radius: 0.75em; background: #fff; }
/* Khung ảnh sang trọng: đệm trắng mỏng, viền hairline, bóng nhiều lớp mềm */
.tse-msl__feature .tse-msl__img, .tse-msl__split .tse-msl__img, .tse-msl__cmp-fig .tse-msl__img {
  padding: 0.5em; border-radius: 1em; background: #fff;
  border: 1px solid rgba(10, 22, 64, 0.08);
  box-shadow: var(--tse-msl-shadow);
}
.tse-msl__cmp-fig .tse-msl__img { aspect-ratio: 4 / 3; object-fit: contain; padding: 1em; background: linear-gradient(180deg, #fff, var(--tse-msl-ice)); }
.tse-msl__icon { flex: none; display: grid; place-items: center; width: 3em; height: 3em; border-radius: 0.75em; background: var(--tse-msl-accent-top); color: var(--tse-msl-brand); }
.tse-msl__icon svg { width: 1.5em; height: 1.5em; }

.tse-msl__banner {
  position: relative; overflow: hidden; isolation: isolate;
  border-radius: 1.5em; color: #fff;
  background-color: var(--tse-msl-brand-light);
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, rgba(255, 255, 255, 0) 1px 5em),
    radial-gradient(45% 70% at 100% 0%, rgba(238, 242, 255, 0.85) 0%, rgba(238, 242, 255, 0) 70%),
    radial-gradient(60% 90% at 88% 10%, rgba(143, 176, 255, 0.8) 0%, rgba(143, 176, 255, 0) 70%),
    radial-gradient(120% 140% at 15% 85%, rgba(11, 34, 117, 0.55) 0%, rgba(11, 34, 117, 0) 45%),
    radial-gradient(120% 140% at 15% 85%, rgba(18, 53, 174, 0.95) 0%, rgba(18, 53, 174, 0.85) 35%, rgba(18, 53, 174, 0.5) 60%, rgba(18, 53, 174, 0) 85%);
}

/* Màn rộng hơn 1440px: cỡ chữ gốc nhỏ lại (0.8333cqw) nên 80em chỉ còn ~67% bề ngang; nới khung nội dung lên ~80% */
@container (min-width: 1441px) { .tse-msl__inner { max-width: 96em; } }

/* ===== HERO ===== */
.tse-msl__top { padding-top: 4.5em; } /* hero là khối đầu tiên dưới header chung */
.tse-msl__top-row { display: grid; grid-template-columns: minmax(0, 1fr) 27em; gap: 4em; align-items: end; }
.tse-msl__display { font-size: 4.5em; font-weight: 600; line-height: 1.08; letter-spacing: -0.035em; }
.tse-msl__display span { display: block; }
.tse-msl__display-l1 { color: rgba(10, 22, 64, 0.5); }
.tse-msl__display-l2 { color: var(--tse-msl-ink); }
.tse-msl__display-hl {
  font-style: normal; font-weight: 700;
  background: linear-gradient(90deg, var(--tse-msl-brand) 0%, var(--tse-msl-brand-light) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.tse-msl__top-side { padding-bottom: 0.25em; }
.tse-msl__top-desc { font-size: 1.375em; line-height: 1.5; color: var(--tse-msl-muted); }
.tse-msl__top-ctas { display: flex; flex-wrap: wrap; gap: 0.75em; margin-top: 2em; }
.tse-msl__btn--dark { height: 3.25em; padding: 0 1.5em; background: var(--tse-msl-brand); color: #fff; font-weight: 500; }
.tse-msl__btn--white { height: 3.25em; padding: 0 1.5em; background: #fff; color: var(--tse-msl-ink); font-weight: 500; box-shadow: 0 0 0 1px var(--tse-msl-line), 0 1px 2px rgba(10, 22, 64, 0.06); }
.tse-msl__keys { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5em; margin-top: 2em; }
.tse-msl__key {
  display: inline-grid; place-items: center; height: 2.5em; padding: 0 0.875em; border-radius: 0.5em;
  border: 1px solid var(--tse-msl-line); background: #fff; box-shadow: 0 2px 0 rgba(10, 22, 64, 0.1);
  font: inherit; font-size: 0.875em; font-weight: 500; color: var(--tse-msl-ink);
}
.tse-msl__keys-cap { margin-left: 0.25em; font-size: 0.9375em; color: var(--tse-msl-muted); }

.tse-msl__stage { display: flex; flex-direction: column; margin-top: 4em; padding-top: 2.5em; border-radius: 2em; }
.tse-msl__pillbar {
  display: flex; gap: 0.25em; width: max-content; max-width: 100%; margin: 0 auto; padding: 0.3125em;
  border-radius: 9999px; background: #fff; box-shadow: var(--tse-msl-shadow);
}
.tse-msl__pillbar button { padding: 0.5em 1.25em; border-radius: 9999px; font-size: 1.0625em; font-weight: 400; color: var(--tse-msl-ink); white-space: nowrap; transition: background-color 200ms, color 200ms; }
.tse-msl__pillbar button[aria-pressed="true"] { background: var(--tse-msl-brand); color: #fff; }

.tse-msl__win {
  position: relative; display: flex; flex-direction: column; width: 70%; height: 34em; margin: 2em auto 0; overflow: hidden;
  border-radius: 1em 1em 0 0; background: #fff; color: var(--tse-msl-ink);
  box-shadow: var(--tse-msl-shadow);
}
.tse-msl__win-bar { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 1.5em; padding: 0.875em 1.25em; border-bottom: 1px solid var(--tse-msl-line); }
.tse-msl__win-dots { display: flex; gap: 0.5em; }
.tse-msl__win-dots i { width: 0.75em; height: 0.75em; border-radius: 9999px; background: rgba(10, 22, 64, 0.15); }
.tse-msl__win-file { justify-self: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.875em; font-weight: 500; }
.tse-msl__win-count { font-size: 0.8125em; color: var(--tse-msl-muted); font-variant-numeric: tabular-nums; }
.tse-msl__win-count b { color: var(--tse-msl-ink); }
.tse-msl__win-body { flex: 1; min-height: 0; display: grid; grid-template-columns: 10em minmax(0, 1fr); }

.tse-msl__thumbs { display: flex; flex-direction: column; gap: 0.875em; padding: 1.25em 1em; border-right: 1px solid var(--tse-msl-line); }
.tse-msl__thumb { display: grid; grid-template-columns: 1em minmax(0, 1fr); gap: 0.5em; align-items: start; width: 100%; text-align: left; }
.tse-msl__thumb > span { font-size: 0.75em; font-weight: 500; color: var(--tse-msl-muted); }
.tse-msl__thumb .tse-msl__img { aspect-ratio: 16 / 9; object-fit: cover; border-radius: 0.375em; border: 1px solid var(--tse-msl-line); transition: box-shadow 200ms; }
.tse-msl__thumb.is-active .tse-msl__img { box-shadow: 0 0 0 2px var(--tse-msl-brand); border-color: transparent; }
.tse-msl__thumb.is-active > span { color: var(--tse-msl-brand); }

.tse-msl__screen { position: relative; align-self: start; margin: 2em; aspect-ratio: 16 / 9; }
.tse-msl__slide { position: absolute; inset: 0; opacity: 0; transition: opacity 500ms cubic-bezier(0.4, 0, 0.2, 1); }
.tse-msl__slide.is-active { opacity: 1; }
.tse-msl__slide .tse-msl__img { width: 100%; height: 100%; object-fit: contain; border-radius: 0.5em; box-shadow: 0 0 0 1px var(--tse-msl-line), var(--tse-msl-shadow); }

.tse-msl__note {
  position: absolute; left: 6%; bottom: 0; z-index: 3; display: flex; gap: 1em; align-items: flex-start;
  width: 26em; min-height: 7.5em; padding: 1.25em 1.5em 1.5em;
  border-radius: 1em 1em 0 0; background: #fff; color: var(--tse-msl-ink);
  box-shadow: var(--tse-msl-shadow);
}
.tse-msl__note-num { flex: none; display: grid; place-items: center; width: 2.5em; height: 2.5em; border-radius: 9999px; background: var(--tse-msl-brand); color: #fff; font-weight: 500; font-size: 0.875em; }
.tse-msl__note-label { font-size: 1.125em; font-weight: 700; color: var(--tse-msl-brand); }
.tse-msl__note-cap { margin-top: 0.375em; font-size: 0.9375em; line-height: 1.5; }
.tse-msl__note-cap:empty { display: none; }

/* ===== TỔNG QUAN ===== */
.tse-msl__ov { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 4em; align-items: center; }
.tse-msl__ov-title {
  display: flex; align-items: center; gap: 0.2em;
  font-weight: 700;
  font-size: 4.5em; line-height: 1.1; text-transform: uppercase; letter-spacing: -0.03em; color: var(--tse-msl-ink);
}
.tse-msl__ov-badge {
  flex: none; display: grid; place-items: center; width: 1.6em; height: 0.8em; transform: translateY(0.03em);
  border-radius: 0.08em; background: var(--tse-msl-brand); color: #fff;
  font-weight: 400; letter-spacing: 0;
}
.tse-msl__ov-badge > span { font-size: 0.42em; line-height: 1; }
.tse-msl__ov-list { display: flex; flex-direction: column; gap: 1.5em; margin-top: 2.5em; }
.tse-msl__ov-list > li { display: flex; align-items: flex-start; gap: 1em; }
.tse-msl__ov-num {
  flex: none; display: grid; place-items: center; width: 2.75em; height: 2.75em; border-radius: 0.75em;
  background: var(--tse-msl-accent-top); color: var(--tse-msl-brand); font-size: 1em; font-weight: 500;
}
.tse-msl__ov-list p { padding-top: 0.45em; font-size: 1.25em; font-weight: 400; line-height: 1.4; color: var(--tse-msl-ink); }
.tse-msl__band { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5em; margin-top: 0.875em; }
.tse-msl__band-box {
  display: inline-flex; align-items: center; gap: 0.625em;
  padding: 0.375em 1em 0.375em 0.375em; border-radius: 9999px;
  border: 1px solid rgba(230, 0, 18, 0.22); background: rgba(230, 0, 18, 0.06);
}
.tse-msl__band-ico { flex: none; display: grid; place-items: center; width: 2em; height: 2em; border-radius: 9999px; background: #fff; color: var(--tse-msl-red); }
.tse-msl__band-ico svg { width: 1.125em; height: 1.125em; }
.tse-msl__band-txt { font-size: 1.0625em; color: var(--tse-msl-ink); white-space: nowrap; }
.tse-msl__band-txt span { font-weight: 400; color: var(--tse-msl-red); }
.tse-msl__band-txt strong { font-weight: 600; }
.tse-msl__band-box--out { border-color: var(--tse-msl-red); background: var(--tse-msl-red); }
.tse-msl__band-box--out .tse-msl__band-txt, .tse-msl__band-box--out .tse-msl__band-txt span { color: #fff; }
.tse-msl__band-arrow { flex: none; display: grid; place-items: center; width: 1.5em; height: 1.5em; color: var(--tse-msl-red); }
.tse-msl__band-arrow svg { width: 1.125em; height: 1.125em; }

.tse-msl__ov-visual { position: relative; }
.tse-msl__ov-visual::before {
  content: ""; position: absolute; inset: -12% 0 -6% 0; z-index: -1; border-radius: 9999px;
  background: radial-gradient(closest-side, rgba(143, 176, 255, 0.45), rgba(143, 176, 255, 0));
}
.tse-msl__ov-win {
  overflow: hidden; border-radius: 1.25em; background: #fff;
  border: 1px solid rgba(10, 22, 64, 0.08);
  box-shadow: var(--tse-msl-shadow);
}
.tse-msl__ov-win-bar { display: grid; grid-template-columns: 4em minmax(0, 1fr) 4em; gap: 1em; align-items: center; padding: 1em 1.25em; border-bottom: 1px solid var(--tse-msl-line); }
.tse-msl__ov-win-title { text-align: center; font-size: 1em; font-weight: 500; color: var(--tse-msl-ink); }
.tse-msl__ov-win-ico { justify-self: end; color: var(--tse-msl-muted); }
.tse-msl__ov-win-ico svg { width: 1.25em; height: 1.25em; }
.tse-msl__ov-stage {
  display: grid; place-items: center; padding: 3em 2em 3.5em;
  background:
    radial-gradient(60% 70% at 50% 40%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0)),
    linear-gradient(180deg, var(--tse-msl-ice), var(--tse-msl-accent-top));
}
.tse-msl__ov-stage .tse-msl__img {
  width: 52%; border-radius: 0.375em 0.75em 0.75em 0.375em;
  box-shadow: -1px 0 0 rgba(255, 255, 255, 0.6) inset, var(--tse-msl-shadow);
}
.tse-msl__ov-num svg { width: 1.25em; height: 1.25em; }
.tse-msl__pack2 { margin-top: 2.5em; }
.tse-msl__pack2-title { font-size: 1.5em; font-weight: 700; letter-spacing: -0.01em; color: var(--tse-msl-ink); }
.tse-msl__pack2-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25em 2.5em; margin-top: 1.25em; }
.tse-msl__pack2-item { display: flex; align-items: flex-start; gap: 1em; }
.tse-msl__pack2-item--main { grid-column: 1; grid-row: 1 / span 2; }
.tse-msl__pack2-item p { padding-top: 0.45em; font-size: 1.25em; font-weight: 400; line-height: 1.4; color: var(--tse-msl-ink); }
.tse-msl__pack2-sub { display: flex; flex-direction: column; gap: 0.375em; margin-top: 0.625em; }
.tse-msl__pack2-sub li { position: relative; padding-left: 1em; font-size: 1em; line-height: 1.5; color: var(--tse-msl-muted); }
.tse-msl__pack2-sub li::before { content: ""; position: absolute; left: 0.15em; top: 0.65em; width: 0.375em; height: 0.375em; border-radius: 9999px; background: var(--tse-msl-brand-light); }

/* ===== BENTO ===== */
.tse-msl__bento { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 1.25em; }
.tse-msl__bcard { display: flex; flex-direction: column; gap: 1em; padding: 1.75em; border-radius: 1.25em; background: #fff; }
.tse-msl__bcard h3 { font-size: 1.375em; font-weight: 600; line-height: 1.3; }
.tse-msl__bcard--big { grid-row: span 2; }
.tse-msl__big-num { font-size: 4em; font-weight: 600; line-height: 1; }
.tse-msl__bullets { display: flex; flex-direction: column; gap: 0.5em; font-size: 1.0625em; }
.tse-msl__bullets li { position: relative; padding-left: 1.25em; }
.tse-msl__bullets li::before { content: ""; position: absolute; left: 0.2em; top: 0.6em; width: 0.45em; height: 0.45em; border-radius: 9999px; background: var(--tse-msl-brand-light); }
.tse-msl__matrix { display: grid; grid-template-columns: 4em repeat(4, 1fr); gap: 0.375em; margin-top: auto; font-size: 0.75em; }
.tse-msl__matrix-h { text-align: center; font-weight: 500; color: var(--tse-msl-muted); padding-bottom: 0.25em; }
.tse-msl__matrix-u { display: flex; align-items: center; font-weight: 500; color: var(--tse-msl-muted); }
.tse-msl__cell { display: grid; place-items: center; height: 2.25em; border-radius: 0.5em; font-weight: 500; }
.tse-msl__cell--r { background: var(--tse-msl-ice); color: var(--tse-msl-brand); }
.tse-msl__cell--w { background: var(--tse-msl-accent); color: var(--tse-msl-ink); }
.tse-msl__cell--l { background: var(--tse-msl-brand-light); color: #fff; }
.tse-msl__cell--s { background: var(--tse-msl-deep); color: #fff; }
.tse-msl__bcard--bonus { position: relative; background: linear-gradient(135deg, var(--tse-msl-deep), var(--tse-msl-brand)); color: #fff; }
.tse-msl__bcard--bonus .tse-msl__icon { background: rgba(255, 255, 255, 0.2); color: #fff; }
.tse-msl__badge { position: absolute; top: 1.25em; right: 1.25em; padding: 0.25em 0.75em; border-radius: 9999px; background: #fff; color: var(--tse-msl-brand); font-size: 0.75em; font-weight: 600; }

/* ===== TẶNG KÈM (option C: chia đôi đỏ – xanh) ===== */
.tse-msl__bonus {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: 34% minmax(0, 1fr); align-items: center;
  min-height: 28em; border-radius: 1.5em; color: #fff;
  background-color: var(--tse-msl-brand);
  background-image: radial-gradient(55% 80% at 95% 0%, rgba(143, 176, 255, 0.35), rgba(143, 176, 255, 0) 70%);
}
/* nửa trái đỏ, cạnh cắt chéo */
.tse-msl__bonus-media {
  position: relative; align-self: stretch; display: grid; place-items: center;
  padding: 3em 2em; margin-right: -6%; overflow: hidden;
  background: var(--tse-msl-red); clip-path: polygon(0 0, 100% 0, 82% 100%, 0 100%);
}
.tse-msl__bonus-burst {
  position: absolute; left: 45%; top: 50%; width: 60em; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 9999px;
  background: repeating-conic-gradient(rgba(255, 255, 255, 0.11) 0 6deg, rgba(255, 255, 255, 0) 6deg 18deg);
  -webkit-mask-image: radial-gradient(closest-side, #000 15%, transparent 75%); mask-image: radial-gradient(closest-side, #000 15%, transparent 75%);
}
.tse-msl__bonus-cover { position: relative; z-index: 1; width: 13em; transform: translateX(-6%) rotate(-5deg); border-radius: 0.75em; background: #fff; box-shadow: var(--tse-msl-shadow); }
/* lớp trang trí trên nền xanh: line mờ + chấm mờ */
.tse-msl__bonus-deco { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.tse-msl__bonus-lines {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.09) 0 1px, rgba(255, 255, 255, 0) 1px 4em);
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000 60%, transparent 100%); mask-image: linear-gradient(90deg, transparent 30%, #000 60%, transparent 100%);
}
.tse-msl__bonus-dots {
  position: absolute; right: 2.5em; bottom: 2em; width: 14em; height: 7em;
  background-image: radial-gradient(rgba(255, 255, 255, 0.3) 0.09em, transparent 0.1em); background-size: 1.25em 1.25em;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 50%); mask-image: linear-gradient(90deg, transparent, #000 50%);
}
.tse-msl__bonus-ring { position: absolute; right: -6em; top: -8em; width: 22em; aspect-ratio: 1; border-radius: 9999px; border: 1px solid rgba(255, 255, 255, 0.12); box-shadow: 0 0 0 3em rgba(255, 255, 255, 0.025); }
.tse-msl__spark { position: absolute; display: block; color: #fff; animation: tse-msl-twinkle 3s ease-in-out infinite; }
.tse-msl__spark svg { display: block; width: 100%; height: 100%; }
.tse-msl__spark--1 { left: 12%; top: 14%; width: 1.25em; }
.tse-msl__spark--2 { right: 22%; bottom: 14%; width: 1em; animation-delay: 1s; }
.tse-msl__spark--3 { right: 9%; top: 18%; width: 1.25em; animation-delay: 1.6s; }
.tse-msl__spark--5 { left: 46%; bottom: 16%; width: 0.875em; opacity: 0.7; animation-delay: 0.6s; }
@keyframes tse-msl-twinkle { 0%, 100% { opacity: 1; transform: scale(1) rotate(0deg); } 50% { opacity: 0.45; transform: scale(0.7) rotate(20deg); } }

.tse-msl__bonus-body { padding: 3em 4em 3em 10%; }
.tse-msl__bonus-title { display: flex; align-items: center; gap: 0.3em; color: #fff; font-size: 3em; text-transform: uppercase; }
.tse-msl__bonus-gift { flex: none; display: grid; place-items: center; width: 1.1em; height: 1.1em; border-radius: 0.25em; background: #fff; color: var(--tse-msl-red); transform: rotate(-6deg); }
.tse-msl__bonus-gift svg { width: 0.6em; height: 0.6em; }
.tse-msl__bonus-text { margin-top: 1em; max-width: 24em; font-size: 1.375em; line-height: 1.55; color: rgba(255, 255, 255, 0.92); }
.tse-msl__bonus-text strong { font-weight: 600; color: #fff; }

/* ===== LỢI ÍCH (option B: dải ngang 1 khối) ===== */
.tse-msl__bf-sec { margin-top: -4em; } /* kéo sát phần Tổng quan (gap chung 7em → 3em) */
.tse-msl__bf { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 1.75em 2em; border-radius: 1.25em; background: var(--tse-msl-ice); border: 1px solid rgba(18, 53, 174, 0.1); }
.tse-msl__bf-item { display: flex; align-items: center; gap: 1em; padding-right: 2em; }
.tse-msl__bf-item + .tse-msl__bf-item { padding: 0 0 0 2em; border-left: 1px solid rgba(18, 53, 174, 0.15); }
.tse-msl__bf-ico { flex: none; display: grid; place-items: center; width: 2.75em; height: 2.75em; border-radius: 0.75em; background: #fff; color: var(--tse-msl-brand); }
.tse-msl__bf-ico svg { width: 1.25em; height: 1.25em; }
.tse-msl__bf p { font-size: 1.125em; line-height: 1.6; }

/* ===== CẤU TRÚC SLIDE ===== */
.tse-msl__split { display: grid; grid-template-columns: 0.9fr 1fr; gap: 4em; align-items: center; }
.tse-msl__split + .tse-msl__split { margin-top: 4em; }
.tse-msl__split--rev > :first-child { order: 2; }
.tse-msl__split .tse-msl__ph { background-color: #fff; box-shadow: var(--tse-msl-shadow); }
.tse-msl__rows { display: flex; flex-direction: column; gap: 1.25em; }
.tse-msl__row { display: flex; gap: 1.25em; align-items: flex-start; padding: 1.5em; border-radius: 1em; background: #fff; }
.tse-msl__row-title { font-size: 1.25em; font-weight: 600; line-height: 1.4; }
.tse-msl__row-note { margin-top: 0.5em; font-size: 0.9375em; font-style: italic; color: var(--tse-msl-muted); }
.tse-msl__row .tse-msl__bullets { margin-top: 0.5em; font-size: 1em; }

/* ===== CẤU TRÚC SLIDE (ảnh trái + bước phải, khoanh vùng + mũi tên như PDF) ===== */
.tse-msl__ct-title { justify-content: center; text-align: center; margin-bottom: 0.6em; }
.tse-msl__ct-row { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 5em; align-items: center; }
.tse-msl__ct-row + .tse-msl__ct-row { margin-top: 3.5em; }
.tse-msl__ct-media {
  position: relative; overflow: hidden; padding: 2.5em; border-radius: 1.5em;
  background: linear-gradient(180deg, var(--tse-msl-brand) 0%, var(--tse-msl-brand-light) 28%, var(--tse-msl-accent-top) 70%, var(--tse-msl-ice) 100%);
}
.tse-msl__ct-row:nth-of-type(odd) .tse-msl__ct-media { order: 0; }
.tse-msl__ct-shot { position: relative; margin: 0 auto; max-width: 26em; }
.tse-msl__ct-shot .tse-msl__img { border-radius: 0.75em; box-shadow: var(--tse-msl-shadow); }
.tse-msl__ct { --tse-msl-yellow: #FDCB04; }
/* ô khoanh vùng: viền mảnh + quầng mờ + ghim số, màu như PDF */
.tse-msl__ct-mark {
  --tse-msl-mk: var(--tse-msl-red); --tse-msl-mk-soft: rgba(230, 0, 18, 0.22);
  position: absolute; z-index: 1; border-radius: 0.75em; pointer-events: none;
  border: 2px solid var(--tse-msl-mk);
  background: linear-gradient(90deg, var(--tse-msl-mk-soft), rgba(255, 255, 255, 0) 60%);
  box-shadow: 0 0 0 0.3125em var(--tse-msl-mk-soft);
}
.tse-msl__ct-mark--yellow { --tse-msl-mk: var(--tse-msl-yellow); --tse-msl-mk-soft: rgba(253, 203, 4, 0.22); }
.tse-msl__ct-mark::after {
  content: attr(data-pin); position: absolute; right: -0.875em; top: -0.875em;
  display: grid; place-items: center; width: 1.75em; height: 1.75em; border-radius: 9999px;
  background: var(--tse-msl-mk); color: #fff; font-size: 0.8125em; font-weight: 600; line-height: 1;
  box-shadow: 0 0 0 2px #fff;
}
.tse-msl__ct-mark--yellow::after { color: var(--tse-msl-ink); }
.tse-msl__ct-steps { display: flex; flex-direction: column; gap: 1em; }
.tse-msl__ct-step {
  position: relative; display: flex; align-items: flex-start; gap: 1.125em;
  padding: 1.5em 1.75em; border-radius: 1.25em; background: #fff; border: 1px solid var(--tse-msl-line);
}
.tse-msl__ct-step--red { border-color: rgba(230, 0, 18, 0.3); background: linear-gradient(135deg, #fff 45%, rgba(230, 0, 18, 0.035)); }
.tse-msl__ct-step--yellow { border-color: rgba(253, 203, 4, 0.65); background: linear-gradient(135deg, #fff 45%, rgba(253, 203, 4, 0.07)); }
.tse-msl__ct-step--red .tse-msl__ct-num { background: var(--tse-msl-red); }
.tse-msl__ct-step--yellow .tse-msl__ct-num { background: var(--tse-msl-yellow); color: var(--tse-msl-ink); }
.tse-msl__ct-num { flex: none; display: grid; place-items: center; width: 2.75em; height: 2.75em; border-radius: 9999px; background: var(--tse-msl-brand); color: #fff; font-size: 0.9375em; font-weight: 600; }
.tse-msl__ct-h { padding-top: 0.25em; font-size: 1.25em; font-weight: 600; line-height: 1.4; letter-spacing: -0.01em; }
.tse-msl__ct-note { margin-top: 0.5em; font-size: 0.9375em; font-style: italic; color: var(--tse-msl-muted); }
.tse-msl__ct-list { display: flex; flex-direction: column; gap: 0.25em; margin-top: 0.5em; }
.tse-msl__ct-list li { position: relative; padding-left: 1em; font-size: 1em; color: var(--tse-msl-muted); }
.tse-msl__ct-list li::before { content: ""; position: absolute; left: 0.15em; top: 0.65em; width: 0.375em; height: 0.375em; border-radius: 9999px; background: var(--tse-msl-brand-light); }
.tse-msl__ct-lines { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.tse-msl__ct-path { fill: none; stroke-width: 2; stroke-linecap: round; stroke-dasharray: 1 7; }
.tse-msl__ct-head { stroke: none; }
.tse-msl__ct-dot { stroke: #fff; stroke-width: 2; }

/* ===== GỢI Ý CÁCH ĐI BÀI (option B) ===== */
.tse-msl__lp-head { display: flex; flex-direction: column; align-items: center; margin-bottom: 1.5em; text-align: center; }
.tse-msl__lp-title { justify-content: center; }
.tse-msl__lp-sub { margin-top: 0.75em; font-size: 1.25em; color: var(--tse-msl-muted); }
.tse-msl__lp-list { display: flex; flex-direction: column; max-width: 64em; margin-inline: auto; }
.tse-msl__lp-item { position: relative; display: grid; grid-template-columns: 2.25em minmax(0, 1fr) 20em; gap: 1.5em; align-items: center; padding: 1.25em 0; }
/* vạch ngăn bắt đầu sau cột số, không cắt qua đường nối */
.tse-msl__lp-item + .tse-msl__lp-item::before { content: ""; position: absolute; left: 3.75em; right: 0; top: 0; border-top: 1px solid var(--tse-msl-line); }
.tse-msl__lp-item:not(:last-child)::after { content: ""; position: absolute; left: 1.125em; top: calc(50% + 1.5em); height: calc(100% - 3em); border-left: 2px dashed rgba(18, 53, 174, 0.25); }
.tse-msl__lp-num { flex: none; display: grid; place-items: center; width: 2.25em; height: 2.25em; border-radius: 9999px; background: var(--tse-msl-brand); color: #fff; font-size: 1em; font-weight: 600; }
.tse-msl__lp-text { display: flex; flex-direction: column; gap: 0.375em; }
.tse-msl__lp-name { font-size: 1.625em; font-weight: 600; line-height: 1.3; }
.tse-msl__lp-cap { font-size: 1.125em; line-height: 1.55; color: var(--tse-msl-muted); }
.tse-msl__lp-item .tse-msl__img { aspect-ratio: 16 / 9; object-fit: cover; border-radius: 0.75em; border: 1px solid var(--tse-msl-line); box-shadow: var(--tse-msl-shadow); }

/* ===== TỪ SÁCH ĐẾN SLIDE (option B: chữ + ảnh chồng lớp) ===== */
.tse-msl__cx-title { justify-content: center; margin-bottom: 1em; }
.tse-msl__cx-rows { display: flex; flex-direction: column; gap: 4em; }
.tse-msl__cx-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 4em; align-items: center; }
.tse-msl__cx-row:nth-child(even) .tse-msl__cx-text { order: 2; }
.tse-msl__cx-text { display: flex; flex-direction: column; align-items: flex-start; gap: 1em; }
.tse-msl__cx-n { display: grid; place-items: center; width: 2.25em; height: 2.25em; border-radius: 9999px; background: var(--tse-msl-brand); color: #fff; font-size: 0.9375em; font-weight: 600; }
.tse-msl__cx-h { font-size: 1.75em; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; }
.tse-msl__cx-marks { display: flex; flex-direction: column; gap: 0.75em; margin-top: 0.5em; }
.tse-msl__cx-mk { display: flex; align-items: flex-start; gap: 0.75em; font-size: 1.125em; line-height: 1.5; color: var(--tse-msl-muted); }
.tse-msl__cx-mk b { font-weight: 600; color: var(--tse-msl-ink); }
.tse-msl__cx-mki { flex: none; display: grid; place-items: center; width: 1.625em; height: 1.625em; margin-top: 0.05em; border-radius: 9999px; }
.tse-msl__cx-mki svg { width: 0.875em; height: 0.875em; }
.tse-msl__cx-mki--x { background: var(--tse-msl-accent-top); color: var(--tse-msl-brand); }
.tse-msl__cx-mki--v { background: var(--tse-msl-red); color: #fff; }
.tse-msl__cx-stack { position: relative; aspect-ratio: 5 / 4; border-radius: 1.5em; background: radial-gradient(70% 70% at 60% 40%, var(--tse-msl-accent-top), var(--tse-msl-ice)); }
.tse-msl__cx-back, .tse-msl__cx-front { position: absolute; }
.tse-msl__cx-back { left: 5%; top: 9%; width: 56%; transform: rotate(-4deg); }
.tse-msl__cx-front { right: 5%; bottom: 7%; width: 60%; transform: rotate(2deg); z-index: 1; }
/* khung ảnh: khung trắng bo góc, ảnh bên trong cũng bo góc */
.tse-msl__pic { display: grid; grid-template: minmax(0, 1fr) / minmax(0, 1fr); place-items: center; overflow: hidden; background: #fff; border: 1px solid var(--tse-msl-line); box-shadow: var(--tse-msl-shadow); }
.tse-msl__pic > .tse-msl__img { width: auto; height: auto; max-width: 100%; max-height: 100%; border-radius: 0.5em; padding: 0; border: 0; box-shadow: none; background: none; aspect-ratio: auto; object-fit: contain; }
.tse-msl__cx-stack .tse-msl__pic { aspect-ratio: 4 / 3; padding: 0.75em; border-radius: 0.875em; }
.tse-msl__cx-front .tse-msl__pic { border: 2px solid var(--tse-msl-red); }
.tse-msl__cx-back .tse-msl__pic { border: 2px solid var(--tse-msl-brand); }
.tse-msl__cx-tag { position: absolute; left: 0.75em; top: -0.875em; z-index: 1; padding: 0.3em 0.875em; border-radius: 9999px; background: var(--tse-msl-brand); color: #fff; font-size: 0.875em; font-weight: 600; white-space: nowrap; }
.tse-msl__cx-tag--after { background: var(--tse-msl-red); }
.tse-msl__cx-arrow { position: absolute; left: 62%; top: 7%; z-index: 2; width: 17%; height: auto; color: var(--tse-msl-red); transform: rotate(48deg); transform-origin: 0% 100%; }

/* ===== BÀI TEST CUỐI KHÓA (option A, dùng chung kiểu section 04) ===== */
.tse-msl__tx-head { display: flex; flex-direction: column; align-items: center; margin-bottom: 2.5em; text-align: center; }
.tse-msl__tx-head .tse-msl__cx-title { margin-bottom: 0; }
.tse-msl__tx-lead { max-width: 46em; margin-top: 1em; font-size: 1.25em; line-height: 1.55; color: var(--tse-msl-muted); }
.tse-msl__tx-res { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 4em; align-items: start; padding: 2.5em; border-radius: 1.5em; background: var(--tse-msl-ice); }
.tse-msl__tx-res-text { display: flex; flex-direction: column; align-items: flex-start; gap: 1em; }
.tse-msl__gallery .tse-msl__pic { padding: 0.5em; border-radius: 1em; }
.tse-msl__gallery .tse-msl__pic:nth-child(n+2) { aspect-ratio: 16 / 9; }
.tse-msl__gallery .tse-msl__pic:first-child > .tse-msl__img { width: 100%; }
/* 2 ảnh web xếp ngang, chữ nằm trên cho ảnh được rộng */
.tse-msl__tx-res--wide { grid-template-columns: minmax(0, 1fr); gap: 2em; }
.tse-msl__tx-res--wide .tse-msl__cx-h { max-width: 40em; }

/* ===== CTA CUỐI (dải ngang: tiêu đề – thông tin – nút mũi tên) ===== */
.tse-msl__cta2 {
  display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr) auto; gap: 3em; align-items: center;
  padding: 3em 3em 3em 4em; border-radius: 1.5em; color: #fff;
  background: var(--tse-msl-brand);
  background-image: radial-gradient(50% 120% at 100% 0%, rgba(143, 176, 255, 0.35), rgba(143, 176, 255, 0) 70%);
}
.tse-msl__cta2-title { font-size: 2.75em; font-weight: 700; line-height: 1.15; letter-spacing: -0.03em; }
.tse-msl__cta2-label { font-size: 1em; font-weight: 600; }
.tse-msl__cta2-text { margin-top: 0.375em; font-size: 1em; line-height: 1.6; color: rgba(255, 255, 255, 0.82); }
.tse-msl__cta2-btn {
  display: grid; place-items: center; width: 8em; height: 8em; border-radius: 1.25em;
  border: 1.5px solid rgba(255, 255, 255, 0.85); color: #fff;
  transition: background-color 300ms cubic-bezier(0.4, 0, 0.2, 1), color 300ms;
}
.tse-msl__cta2-btn svg { width: 4em; height: 4em; transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1); }
.tse-msl__cta2-btn:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

/* ===== CÁC PHẦN MỖI LESSON ===== */
.tse-msl__steps { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1em; margin-bottom: 4em; }
.tse-msl__step {
  padding: 0.5em 1.25em; border-radius: 0.5em;
  background: linear-gradient(180deg, var(--tse-msl-ice), var(--tse-msl-accent-top));
  color: var(--tse-msl-brand); font-size: 1.5em; font-weight: 600; line-height: 1.2;
}
.tse-msl__plus { width: 1.75em; height: 1.75em; flex: none; color: var(--tse-msl-ink); }
.tse-msl__features { display: flex; flex-direction: column; gap: 4em; }
.tse-msl__feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 3em; align-items: center; }
.tse-msl__feature:nth-child(even) { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
.tse-msl__feature:nth-child(even) .tse-msl__feature-text { order: 2; }
.tse-msl__feature-kicker {
  display: inline-flex; align-items: center; gap: 0.5em; margin-bottom: 1em;
  padding: 0.375em 0.875em 0.375em 0.375em; border-radius: 9999px;
  background: var(--tse-msl-accent-top); color: var(--tse-msl-brand); font-size: 0.875em; font-weight: 500;
}
.tse-msl__feature-kicker span { display: grid; place-items: center; width: 1.75em; height: 1.75em; border-radius: 9999px; background: var(--tse-msl-brand); color: #fff; font-size: 0.857em; }
.tse-msl__feature .tse-msl__ph { box-shadow: var(--tse-msl-shadow); }

/* ===== SO SÁNH TRƯỚC → SAU ===== */
.tse-msl__cmps { display: flex; flex-direction: column; gap: 2em; }
.tse-msl__cmp { padding: 2em; border: 1px solid var(--tse-msl-line); border-radius: 1.25em; background: #fff; }
.tse-msl__cmp-title { max-width: 40em; margin-bottom: 1.5em; font-size: 1.375em; font-weight: 700; line-height: 1.35; }
.tse-msl__cmp-grid { display: grid; grid-template-columns: minmax(0, 1fr) 3em minmax(0, 1fr); gap: 1.5em; align-items: start; }
.tse-msl__cmp-fig { display: flex; flex-direction: column; gap: 0.75em; }
.tse-msl__cmp-tag { align-self: flex-start; padding: 0.25em 0.75em; border-radius: 9999px; background: var(--tse-msl-accent-top); color: var(--tse-msl-brand); font-size: 0.8125em; font-weight: 500; }
.tse-msl__cmp-tag--after { background: var(--tse-msl-brand); color: #fff; }
.tse-msl__cmp-fig figcaption { font-size: 1em; line-height: 1.5; color: var(--tse-msl-muted); }
.tse-msl__cmp-fig--after figcaption { color: var(--tse-msl-brand); font-weight: 500; }
.tse-msl__cmp-arrow { align-self: center; display: grid; place-items: center; width: 3em; height: 3em; border-radius: 9999px; background: var(--tse-msl-brand); color: #fff; }
.tse-msl__cmp-arrow svg { width: 1.5em; height: 1.5em; }

/* ===== BÀI TEST ===== */
.tse-msl__res { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 2em; align-items: start; margin-top: 4em; }
.tse-msl__res .tse-msl__h3 { grid-column: 1 / -1; max-width: 36em; }
.tse-msl__report { padding: 1.75em; border-radius: 1.25em; background: #fff; border: 1px solid var(--tse-msl-line); box-shadow: var(--tse-msl-shadow); }
.tse-msl__report h4 { margin-bottom: 1em; font-size: 1.125em; font-weight: 600; }
.tse-msl__table { width: 100%; border-collapse: collapse; font-size: 0.9375em; }
.tse-msl__table th { padding: 0.625em 0.75em; text-align: left; font-size: 0.8125em; font-weight: 500; color: var(--tse-msl-muted); border-bottom: 1px solid var(--tse-msl-line); }
.tse-msl__table td { padding: 0.625em 0.75em; border-bottom: 1px solid var(--tse-msl-line); }
.tse-msl__table tr.is-key td { background: var(--tse-msl-ice); font-weight: 500; color: var(--tse-msl-brand); }
.tse-msl__gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1em; }
.tse-msl__gallery > :first-child { grid-column: 1 / -1; }
.tse-msl__gallery--pair { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: 1.5em; }
.tse-msl__gallery--pair > :first-child { grid-column: auto; }
.tse-msl__gallery--pair .tse-msl__pic:nth-child(n+2) { aspect-ratio: auto; }

/* ===== CTA CUỐI ===== */
.tse-msl__cta { padding: 5em 2em; text-align: center; }
.tse-msl__cta .tse-msl__h2 { display: inline-block; max-width: 18em; color: #fff; }
.tse-msl__price { display: table; margin: 1.5em auto 0; padding: 0.75em 1.5em; border: 2px dashed rgba(255, 255, 255, 0.5); border-radius: 9999px; font-weight: 500; }
.tse-msl__cta-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75em; margin-top: 2em; }

/* ===== LIÊN HỆ / FORM ===== */
.tse-msl__sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.tse-msl__form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1em 1em; align-items: start; }
/* ô nhập: nhãn luôn hiện trong ô; trạng thái default / active / filled / error / success */
.tse-msl__f { --tse-msl-ok: #16A34A; display: flex; flex-direction: column; gap: 0.375em; }
.tse-msl__f--full { grid-column: 1 / -1; }
.tse-msl__f-box {
  position: relative; display: flex; flex-direction: column; justify-content: center; min-height: 3.75em;
  padding: 0.5em 3em 0.5em 1em; border-radius: 0.75em; background: #fff;
  border: 1px solid rgba(10, 22, 64, 0.18);
  transition: border-color 200ms, box-shadow 200ms, background-color 200ms;
}
.tse-msl__f-cap { font-size: 0.75em; line-height: 1.3; color: var(--tse-msl-muted); cursor: text; }
.tse-msl__f-cap i { font-style: normal; color: var(--tse-msl-red); }
.tse-msl__f-box input, .tse-msl__f-box textarea {
  display: block; width: 100%; margin-top: 0.125em; padding: 0; border: 0; outline: none; background: transparent;
  color: var(--tse-msl-ink); font: inherit; font-size: 1em; line-height: 1.45;
}
.tse-msl__f-box textarea { min-height: 7em; resize: vertical; }
.tse-msl__f-box input:focus-visible, .tse-msl__f-box textarea:focus-visible { outline: none; } /* khung ô đã hiện trạng thái active */
.tse-msl__f--area .tse-msl__f-box { justify-content: flex-start; padding-top: 0.75em; }
.tse-msl__f-box input::placeholder, .tse-msl__f-box textarea::placeholder { color: rgba(10, 22, 64, 0.35); }
.tse-msl__f-clear, .tse-msl__f-ok { position: absolute; right: 0.875em; top: 50%; transform: translateY(-50%); display: none; place-items: center; width: 1.5em; height: 1.5em; border-radius: 9999px; }
.tse-msl__f--area .tse-msl__f-clear { top: 0.875em; transform: none; }
.tse-msl__f-clear { padding: 0; border: 0; background: var(--tse-msl-ice); color: var(--tse-msl-muted); cursor: pointer; }
.tse-msl__f-clear svg { width: 0.875em; height: 0.875em; }
.tse-msl__f-ok { color: var(--tse-msl-ok); }
.tse-msl__f-ok svg { width: 1.375em; height: 1.375em; }
.tse-msl__f-msg { display: none; align-items: flex-start; gap: 0.375em; font-size: 0.8125em; line-height: 1.45; }
.tse-msl__f-count { align-self: flex-end; font-size: 0.8125em; color: var(--tse-msl-muted); }
.tse-msl__f-count b { font-weight: 600; color: var(--tse-msl-brand); }
/* active */
.tse-msl__f[data-state="active"] .tse-msl__f-box { border-color: var(--tse-msl-brand-light); box-shadow: 0 0 0 3px rgba(74, 111, 227, 0.15); }
.tse-msl__f[data-state="active"].is-filled .tse-msl__f-clear, .tse-msl__f[data-state="filled"] .tse-msl__f-clear { display: grid; }
/* error */
.tse-msl__f[data-state="error"] .tse-msl__f-box { border-color: var(--tse-msl-red); box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.1); }
.tse-msl__f[data-state="error"] .tse-msl__f-clear { display: grid; }
.tse-msl__f[data-state="error"] .tse-msl__f-msg { display: flex; color: var(--tse-msl-red); }
.tse-msl__f-msg svg { flex: none; width: 1.125em; height: 1.125em; margin-top: 0.1em; }
/* success */
.tse-msl__f[data-state="success"] .tse-msl__f-box { border-color: var(--tse-msl-ok); box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1); }
.tse-msl__f[data-state="success"] .tse-msl__f-ok { display: grid; }
.tse-msl__f[data-state="success"] .tse-msl__f-msg { display: flex; color: var(--tse-msl-ok); }
.tse-msl__form-actions { display: flex; align-items: center; gap: 0.25em; margin-top: 1.5em; }

.tse-msl__ct-socs { display: flex; flex-wrap: wrap; gap: 0.625em; margin-top: 0.75em; }
.tse-msl__ct-soc { display: grid; place-items: center; width: 2.5em; height: 2.5em; border-radius: 9999px; background: #fff; color: var(--tse-msl-brand); transition: background-color 200ms, color 200ms; }
.tse-msl__ct-soc svg { width: 1.125em; height: 1.125em; }

/* ===== FOOTER ===== */
/* chỗ chừa dưới cùng: bảng bản quyền + nút lên đầu trang "đậu" vào đây khi cuộn hết trang */


/* ===== BẢNG BẢN QUYỀN NỔI (portal ra body) ===== */
/* z-index 90: bảng nổi toàn trang, phải nằm trên nội dung */
.tse-msl-portal.tse-msl__cp {
  --tse-msl-brand: #1235AE; --tse-msl-ink: #0A1640; --tse-msl-red: #E60012;
  --tse-msl-ease: cubic-bezier(0.22, 1, 0.36, 1);
  position: fixed; left: 1em; bottom: 1em; z-index: 90;
  translate: 0 var(--tse-msl-cp-lift, 0px);
  width: min(22em, calc(100vw - 2em)); overflow: hidden;
  border-radius: 1em; background: #fff; border: 1px solid rgba(18, 53, 174, 0.2);
  box-shadow: 0 1px 2px rgba(10, 22, 64, 0.04), 0 4px 12px -6px rgba(10, 22, 64, 0.08);
  font-family: "Be Vietnam Pro", system-ui, sans-serif; color: var(--tse-msl-ink); line-height: 1.5;
  font-size: calc(0.5555vw + 5.333px);
  transition: transform 500ms var(--tse-msl-ease), opacity 500ms var(--tse-msl-ease), visibility 0s linear 0s;
}
/* Tới footer: bảng nổi ẩn đi (footer đã có link "Yêu cầu về đảm bảo quyền tác giả"), không cần chừa khoảng trống dưới footer */
.tse-msl-portal.tse-msl__cp.is-away {
  opacity: 0; transform: translateY(1.5em); visibility: hidden; pointer-events: none;
  transition: transform 500ms var(--tse-msl-ease), opacity 300ms ease, visibility 0s linear 500ms;
}
@media (max-width: 1920px) { .tse-msl-portal.tse-msl__cp { font-size: 0.833333vw; } }
@media (max-width: 1440px) { .tse-msl-portal.tse-msl__cp { font-size: 1.111111vw; } }
@media (max-width: 1024px) { .tse-msl-portal.tse-msl__cp { font-size: 1.5625vw; } }
@media (max-width: 640px)  { .tse-msl-portal.tse-msl__cp { font-size: 4.444444vw; left: 0.75em; bottom: 0.75em; width: calc(100vw - 5em); } /* chừa chỗ cho nút lên đầu trang */ }
:where(.tse-msl-portal.tse-msl__cp) *, :where(.tse-msl-portal.tse-msl__cp) *::before, :where(.tse-msl-portal.tse-msl__cp) *::after { box-sizing: border-box; margin: 0; padding: 0; }
.tse-msl__cp-head { display: flex; align-items: center; gap: 0.75em; padding: 0.75em 0.75em 0.75em 0.875em; background: var(--tse-msl-brand); color: #fff; cursor: pointer; }
.tse-msl__cp-ico { flex: none; display: grid; place-items: center; width: 2em; height: 2em; border-radius: 9999px; background: var(--tse-msl-red); color: #fff; }
.tse-msl__cp-ico svg { width: 1.125em; height: 1.125em; }
.tse-msl__cp-title { flex: 1; min-width: 0; font-size: 0.9375em; font-weight: 600; line-height: 1.35; }
.tse-msl__cp-toggle {
  flex: none; display: grid; place-items: center; width: 1.875em; height: 1.875em; border: 0; border-radius: 9999px;
  background: rgba(255, 255, 255, 0.14); color: #fff; cursor: pointer;
  transition: transform 450ms var(--tse-msl-ease), background-color 200ms;
}
.tse-msl__cp-toggle svg { width: 1em; height: 1em; }
.tse-msl__cp-toggle:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
/* thu gọn mượt: grid-rows 1fr ↔ 0fr, kèm mờ + trượt nhẹ nội dung */
.tse-msl__cp-collapse { display: grid; grid-template-rows: 1fr; transition: grid-template-rows 450ms var(--tse-msl-ease); }
.tse-msl__cp-inner { min-height: 0; overflow: hidden; }
.tse-msl__cp-body {
  padding: 0.875em 1em 1em; font-size: 0.875em; line-height: 1.55; color: var(--tse-msl-ink);
  transition: opacity 300ms var(--tse-msl-ease) 120ms, transform 450ms var(--tse-msl-ease);
}
.tse-msl__cp[data-collapsed="true"] .tse-msl__cp-collapse { grid-template-rows: 0fr; }
.tse-msl__cp[data-collapsed="true"] .tse-msl__cp-body { opacity: 0; transform: translateY(-0.5em); transition: opacity 200ms ease, transform 450ms var(--tse-msl-ease); }
.tse-msl__cp[data-collapsed="true"] .tse-msl__cp-toggle { transform: rotate(180deg); }
@media (hover: hover) and (min-width: 769px) {
  .tse-msl__cp-toggle:hover { background: rgba(255, 255, 255, 0.24); }
}
@media (prefers-reduced-motion: reduce) {
  .tse-msl-portal.tse-msl__cp, .tse-msl__cp-collapse, .tse-msl__cp-body, .tse-msl__cp-toggle { transition: none; }
}

/* ===== 06 XEM THỬ BỘ SLIDE =====
   Danh sách module dùng chung preview-curriculum.phtml (variant msl, class sd-*); ghi đè style page_slide-detail.css + page_home.css
   bằng tiền tố .tse-msl .tse-msl__pv-panel để giống mẫu mindset.html: thẻ module trắng, số thứ tự, nút Chiếu / Worksheet có icon tròn. */
.tse-msl__pv-head { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1em; margin-bottom: 2.5em; } /* tiêu đề "Dùng thử miễn phí Unit 1" dài: mô tả nằm dưới */
.tse-msl__pv-head .tse-msl__ov-title { white-space: nowrap; }
.tse-msl__pv-sub { max-width: 40em; font-size: 1.125em; line-height: 1.6; color: var(--tse-msl-muted); }
.tse-msl__pv-sub strong { font-weight: 600; color: var(--tse-msl-ink); }
.tse-msl__pv-panel { padding: 2em; border-radius: 1.5em; background: var(--tse-msl-ice); }
.tse-msl .tse-msl__pv-panel .slide-modal__roadmap { margin: 0; padding: 0; border: 0; background: none; }
.tse-msl .tse-msl__pv-panel .slide-modal__sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1em; margin: 0; padding-inline: 0.25em; }
.tse-msl .tse-msl__pv-panel .slide-modal__sec-title { font-size: 1.375em; font-weight: 700; line-height: 1.3; color: var(--tse-msl-ink); }
.tse-msl .tse-msl__pv-panel .slide-modal__sec-count { font-size: 0.9375em; color: var(--tse-msl-muted); white-space: nowrap; }
.tse-msl .tse-msl__pv-panel .sd-modules { display: grid; gap: 0.75em; margin-top: 1.25em; }
.tse-msl .tse-msl__pv-panel .home-preview-empty { margin-top: 1.25em; border-radius: 1.25em; background: #fff; }
/* thẻ module */
.tse-msl .tse-msl__pv-panel .sd-module { border-radius: 1.25em; background: #fff; border: 1px solid rgba(18, 53, 174, 0.14); overflow: hidden; }
.tse-msl .tse-msl__pv-panel .sd-module__head { display: flex; align-items: center; justify-content: flex-start; gap: 1em; width: 100%; padding: 1.125em 1.5em; background: transparent; }
.tse-msl .tse-msl__pv-panel .sd-module__head:hover { background: transparent; }
.tse-msl .tse-msl__pv-panel .sd-module__title-wrap { display: flex; align-items: center; flex: 0 1 auto; line-height: 1.35; min-width: 0; flex-wrap: nowrap; gap: 1em; font-size: 1em; font-weight: 400; color: var(--tse-msl-ink); }
.tse-msl__pv-num { flex: none; display: grid; place-items: center; width: 2.5em; height: 2.5em; border-radius: 0.75em; background: var(--tse-msl-brand); color: #fff; font-size: 0.875em; font-weight: 600; }
.tse-msl__pv-name { min-width: 0; font-size: 1.125em; font-weight: 600; line-height: 1.35; }
.tse-msl__pv-tag { flex: none; padding: 0.3125em 0.75em; border-radius: 9999px; background: rgba(230, 0, 18, 0.08); color: var(--tse-msl-red); font-size: 0.75em; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; white-space: nowrap; }
.tse-msl .tse-msl__pv-panel .sd-module__meta { margin-left: auto; padding-left: 0; line-height: 1.35; font-size: 0.875em; color: var(--tse-msl-muted); white-space: nowrap; }
.tse-msl__pv-chev { flex: none; display: grid; place-items: center; width: 2em; height: 2em; border-radius: 9999px; background: var(--tse-msl-ice); color: var(--tse-msl-brand); transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1), background-color 200ms; }
.tse-msl__pv-chev svg { width: 1em; height: 1em; }
.tse-msl .tse-msl__pv-panel .sd-module.is-open .tse-msl__pv-chev { transform: rotate(180deg); }
/* module khóa */
.tse-msl .tse-msl__pv-panel .sd-module--locked { background: rgba(255, 255, 255, 0.55); border-style: dashed; border-color: rgba(18, 53, 174, 0.18); }
.tse-msl .tse-msl__pv-panel .sd-module--locked .sd-module__head { cursor: default; background: transparent; }
.tse-msl .tse-msl__pv-panel .sd-module--locked .tse-msl__pv-num { background: rgba(10, 22, 64, 0.06); color: var(--tse-msl-muted); }
.tse-msl .tse-msl__pv-panel .sd-module--locked .tse-msl__pv-name { color: var(--tse-msl-muted); font-weight: 500; }
.tse-msl__pv-lock { flex: none; display: grid; place-items: center; width: 2em; height: 2em; color: var(--tse-msl-muted); }
.tse-msl__pv-lock svg { width: 1.125em; height: 1.125em; }
/* danh sách bài giảng */
.tse-msl .tse-msl__pv-panel .sd-module__body { padding: 0 1.5em; border-top: 0; background: transparent; }
.tse-msl .tse-msl__pv-panel .sd-lesson-group { margin: 0; padding: 0; border-bottom: 0; border-top: 1px solid var(--tse-msl-line); }
.tse-msl .tse-msl__pv-panel .sd-lesson { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 1em; min-height: 0; padding: 1em 0; border-radius: 0; background: transparent; }
.tse-msl .tse-msl__pv-panel .sd-lesson__left { gap: 1em; }
.tse-msl__pv-ico { flex: none; display: grid; place-items: center; width: 2.75em; height: 2.75em; border-radius: 0.75em; background: var(--tse-msl-ice); color: var(--tse-msl-brand); }
.tse-msl__pv-ico svg { width: 1.25em; height: 1.25em; }
.tse-msl .tse-msl__pv-panel .sd-lesson__info { gap: 0.125em; }
.tse-msl .tse-msl__pv-panel .sd-lesson__title { font-size: 1.0625em; font-weight: 600; line-height: 1.35; color: var(--tse-msl-ink); }
.tse-msl .tse-msl__pv-panel .sd-lesson__subtitle { font-size: 0.875em; color: var(--tse-msl-muted); }
.tse-msl .tse-msl__pv-panel .sd-lesson__actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.5em; width: auto; }
/* nút Chiếu (đặc) và Worksheet / tài liệu / audio (viền): pill có icon tròn ở đầu */
.tse-msl .tse-msl__pv-panel .sd-btn-plan, .tse-msl .tse-msl__pv-panel .sd-btn-dark {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em; width: auto; min-width: 0; height: 2.75em; min-height: 0;
  padding: 0 1.125em 0 0.3125em; border: 0; border-radius: 9999px; font-size: 0.875em; font-weight: 600; line-height: 1; white-space: nowrap;
  box-shadow: none; transform: none; overflow: visible; text-decoration: none; text-transform: none; letter-spacing: normal;
  transition: background-color 200ms, color 200ms, transform 200ms cubic-bezier(0.4, 0, 0.2, 1);
}
.tse-msl .tse-msl__pv-panel .sd-btn-dark { background: var(--tse-msl-brand); color: #fff; }
.tse-msl .tse-msl__pv-panel .sd-btn-plan { background: #fff; color: var(--tse-msl-brand); box-shadow: inset 0 0 0 1px rgba(18, 53, 174, 0.28); }
.tse-msl .tse-msl__pv-panel .sd-btn-plan > span:not(.sd-btn-ico), .tse-msl .tse-msl__pv-panel .sd-btn-dark > span:not(.sd-btn-ico) { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.tse-msl .tse-msl__pv-panel .sd-btn-ico { flex: none; display: grid; place-items: center; width: 2.125em; height: 2.125em; border-radius: 9999px; background: #fff; color: var(--tse-msl-brand); overflow: visible; transition: transform 300ms cubic-bezier(0.22, 1, 0.36, 1), background-color 200ms; }
.tse-msl .tse-msl__pv-panel .sd-btn-plan .sd-btn-ico { background: var(--tse-msl-ice); }
.tse-msl .tse-msl__pv-panel .sd-btn-ico svg { display: block; width: 1.125em !important; min-width: 0; max-width: none; height: 1.125em !important; min-height: 0; max-height: none; flex: none; color: inherit; }
.tse-msl .tse-msl__pv-panel .sd-btn-plan.sd-control-disabled, .tse-msl .tse-msl__pv-panel .sd-btn-dark:disabled { opacity: 0.5; }
/* bài giảng con */
.tse-msl .tse-msl__pv-panel .sd-lesson__chev.chev { width: 2.75em; height: 2.75em; border-radius: 9999px; background: var(--tse-msl-ice); color: var(--tse-msl-brand); }
.tse-msl .tse-msl__pv-panel .sd-lesson-children { margin: 0 0 1em 3.75em; padding-left: 1em; border-left: 2px solid var(--tse-msl-line); }
.tse-msl .tse-msl__pv-panel .sd-lesson-child { min-height: 0; padding: 0.625em 0; gap: 1em; }
.tse-msl .tse-msl__pv-panel .sd-lesson-child__main { gap: 0.75em; font-size: 0.9375em; color: var(--tse-msl-ink); }
.tse-msl .tse-msl__pv-panel .sd-lesson-child__file { width: 2em; height: 2em; border-radius: 0.5em; background: var(--tse-msl-ice); color: var(--tse-msl-brand); }
@media (hover: hover) and (min-width: 769px) {
  .tse-msl .tse-msl__pv-panel .home-preview-module-head:hover .tse-msl__pv-chev { background: var(--tse-msl-accent-top); }
  .tse-msl .tse-msl__pv-panel .sd-btn-dark:not(:disabled):hover { background: var(--tse-msl-brand-hover); color: #fff; transform: translateY(-1px); box-shadow: none; }
  .tse-msl .tse-msl__pv-panel .sd-btn-plan:not(.sd-control-disabled):hover { background: var(--tse-msl-ice); color: var(--tse-msl-brand); transform: translateY(-1px); box-shadow: inset 0 0 0 1px rgba(18, 53, 174, 0.28); }
  .tse-msl .tse-msl__pv-panel .sd-btn-plan:hover .sd-btn-ico, .tse-msl .tse-msl__pv-panel .sd-btn-dark:hover .sd-btn-ico { transform: scale(1.08); }
  .tse-msl .tse-msl__pv-panel .sd-btn-plan:hover .sd-btn-ico { background: #fff; }
  .tse-msl .tse-msl__pv-panel .sd-btn-plan:hover svg { color: inherit; }
}
@media (prefers-reduced-motion: reduce) {
  .tse-msl__pv-chev, .tse-msl .tse-msl__pv-panel .sd-btn-ico { transition: none; }
}
@container (max-width: 1024px) {
  .tse-msl__pv-head .tse-msl__ov-title { white-space: normal; }
}
@container (max-width: 640px) {
  .tse-msl__pv-head { margin-bottom: 1.75em; }
  .tse-msl__pv-sub { font-size: 1em; }
  .tse-msl__pv-panel { padding: 1em 0.75em; border-radius: 1.25em; }
  .tse-msl .tse-msl__pv-panel .slide-modal__sec-head { padding-inline: 0.5em; }
  .tse-msl .tse-msl__pv-panel .slide-modal__sec-title { font-size: 1.125em; }
  .tse-msl .tse-msl__pv-panel .slide-modal__sec-count { font-size: 0.8125em; }
  .tse-msl .tse-msl__pv-panel .sd-module__head { flex-wrap: wrap; gap: 0.25em 0.75em; padding: 1em; }
  .tse-msl .tse-msl__pv-panel .sd-module__title-wrap { flex: 1 1 0; flex-wrap: wrap; gap: 0.25em 0.75em; }
  .tse-msl .tse-msl__pv-panel .sd-module__title-wrap .tse-msl__pv-name { flex: 1 1 calc(100% - 3em); }
  .tse-msl .tse-msl__pv-panel .sd-module__title-wrap .tse-msl__pv-tag { margin-left: 3.625em; } /* thẳng hàng tên module: số 1.97em + gap 0.75em, tính theo cỡ chữ nhãn */
  .tse-msl__pv-chev, .tse-msl__pv-lock { order: 2; }
  .tse-msl .tse-msl__pv-panel .sd-module__meta { order: 3; flex-basis: 100%; margin-left: 3.35em; font-size: 0.8125em; }
  .tse-msl__pv-num { width: 2.25em; height: 2.25em; }
  .tse-msl__pv-name { font-size: 1em; }
  .tse-msl .tse-msl__pv-panel .sd-module__body { padding-inline: 1em; }
  .tse-msl .tse-msl__pv-panel .sd-lesson { grid-template-columns: minmax(0, 1fr); gap: 0.75em; }
  .tse-msl .tse-msl__pv-panel .sd-lesson__left { gap: 0.75em; }
  .tse-msl .tse-msl__pv-panel .sd-lesson__actions { display: flex; justify-content: stretch; width: 100%; }
  .tse-msl .tse-msl__pv-panel .sd-btn-plan, .tse-msl .tse-msl__pv-panel .sd-btn-dark { flex: 1 1 auto; }
  .tse-msl .tse-msl__pv-panel .sd-lesson__chev.chev { flex: none; }
  .tse-msl .tse-msl__pv-panel .sd-lesson-children { margin-left: 1.375em; padding-left: 0.75em; }
  .tse-msl .tse-msl__pv-panel .sd-lesson-child { grid-template-columns: minmax(0, 1fr); gap: 0.5em; margin-left: 0; }
}

/* ===== LIÊN HỆ (khung 2 cột: thông tin liên hệ + form) ===== */
.tse-msl__lx-frame {
  display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.45fr);
  grid-template-areas: "side panel";
  column-gap: 1em; padding: 0.75em; border-radius: 2em; background: #fff; border: 1px solid rgba(18, 53, 174, 0.14);
}
.tse-msl__lx-side { grid-area: side; padding: 2.5em 1.75em 1.75em; }
.tse-msl__lx-info { display: grid; gap: 1.75em; margin-top: 1.75em; list-style: none; }
.tse-msl__lx-panel { grid-area: panel; padding: 3.5em 3.5em 3em; border-radius: 1.5em; color: #fff; background: var(--tse-msl-brand); background-image: radial-gradient(55% 45% at 100% 0%, rgba(143, 176, 255, 0.4), rgba(143, 176, 255, 0) 70%), radial-gradient(50% 40% at 0% 100%, rgba(11, 34, 117, 0.6), rgba(11, 34, 117, 0) 70%); }
.tse-msl__lx-h { display: flex; align-items: center; gap: 0.5em; font-size: 0.8125em; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--tse-msl-muted); }
.tse-msl__lx-h::before { content: ""; width: 0.5em; height: 0.5em; border-radius: 9999px; background: var(--tse-msl-red); }
/* thông tin liên hệ */
.tse-msl__lx-info li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1em; align-items: start; }
.tse-msl__lx-ico { display: grid; place-items: center; width: 2.5em; height: 2.5em; border-radius: 0.75em; background: #fff; box-shadow: inset 0 0 0 1px rgba(10, 22, 64, 0.12); color: var(--tse-msl-brand); }
.tse-msl__lx-ico svg { width: 1.125em; height: 1.125em; }
.tse-msl__lx-info h3 { font-size: 1.0625em; font-weight: 600; line-height: 1.4; }
.tse-msl__lx-info p { margin-top: 0.25em; font-size: 0.9375em; line-height: 1.6; color: var(--tse-msl-muted); }
.tse-msl__lx-info a { color: var(--tse-msl-ink); font-weight: 500; overflow-wrap: anywhere; transition: color 200ms; }
/* form trên nền xanh: ô kính mờ bo góc */
.tse-msl__lx-title { font-size: 2.75em; font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
.tse-msl__lx-form { margin-top: 2em; --tse-msl-err: #FF4D57; --tse-msl-good: #22C55E; }
.tse-msl__lx-form .tse-msl__form-grid { gap: 1em 1.25em; }
.tse-msl__lx-form .tse-msl__f .tse-msl__f-box { min-height: 3.875em; padding: 0.5em 2.75em 0.5em 1.125em; border: 0; border-radius: 0.875em; background: rgba(255, 255, 255, 0.08); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14); }
.tse-msl__lx-form .tse-msl__f-cap { color: rgba(255, 255, 255, 0.7); }
.tse-msl__lx-form .tse-msl__f-cap i { color: #fff; }
.tse-msl__lx-form .tse-msl__f-box input, .tse-msl__lx-form .tse-msl__f-box textarea { color: #fff; }
.tse-msl__lx-form .tse-msl__f-box input::placeholder, .tse-msl__lx-form .tse-msl__f-box textarea::placeholder { color: rgba(255, 255, 255, 0.38); }
.tse-msl__lx-form .tse-msl__f-box textarea { min-height: 4.5em; }
.tse-msl__lx-form .tse-msl__f--area .tse-msl__f-box { padding-top: 0.75em; }
.tse-msl__lx-form .tse-msl__f-clear { background: rgba(255, 255, 255, 0.15); color: #fff; }
.tse-msl__lx-form .tse-msl__f-ok { color: var(--tse-msl-good); }
.tse-msl__lx-form .tse-msl__f[data-state="active"] .tse-msl__f-box { background: rgba(255, 255, 255, 0.12); box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.85); }
.tse-msl__lx-form .tse-msl__f[data-state="success"] .tse-msl__f-box { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3); }
/* thông báo: chữ trắng dễ đọc, icon + viền đỏ thương hiệu (sáng hơn chút để nổi trên nền xanh) */
.tse-msl__lx-form .tse-msl__f[data-state="error"] .tse-msl__f-box { background: rgba(255, 255, 255, 0.08); box-shadow: inset 0 0 0 1.5px var(--tse-msl-err); }
.tse-msl__lx-form .tse-msl__f-msg { margin-top: 0.125em; color: rgba(255, 255, 255, 0.92); }
.tse-msl__lx-form .tse-msl__f-msg svg path:first-child { fill: var(--tse-msl-err); }
.tse-msl__lx-form .tse-msl__f[data-state="error"] .tse-msl__f-msg, .tse-msl__lx-form .tse-msl__f[data-state="success"] .tse-msl__f-msg { color: rgba(255, 255, 255, 0.92); }
.tse-msl__lx-form .tse-msl__f-count { color: rgba(255, 255, 255, 0.6); }
.tse-msl__lx-form .tse-msl__f-count b { color: #fff; }
/* chọn gói: 3 dòng — nút tròn, tên gói, giá bên phải */
.tse-msl__lx-pick { margin-top: 1.5em; padding: 0; border: 0; }
.tse-msl__lx-pick legend { float: none; width: auto; padding: 0; border: 0; margin-bottom: 0.75em; line-height: 1.4; font-size: 0.75em; color: rgba(255, 255, 255, 0.7); }
.tse-msl__lx-pick legend i { font-style: normal; color: #fff; }
.tse-msl__lx-opts { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.5em; }
.tse-msl__lx-opt { position: relative; display: flex; align-items: center; gap: 0.875em; padding: 0.875em 1.125em; border-radius: 0.875em; background: rgba(255, 255, 255, 0.06); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14); cursor: pointer; transition: background-color 200ms, box-shadow 200ms; }
.tse-msl__lx-opt input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.tse-msl__lx-box { flex: none; width: 1.25em; height: 1.25em; border-radius: 9999px; box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.7); transition: box-shadow 200ms; }
.tse-msl__lx-box svg { display: none; }
.tse-msl__lx-opt-t { flex: 1; display: flex; align-items: baseline; gap: 0.75em; min-width: 0; }
.tse-msl__lx-opt-t b { font-weight: 600; white-space: nowrap; }
.tse-msl__lx-opt-t small { margin-left: auto; font-size: 0.875em; color: rgba(255, 255, 255, 0.75); white-space: nowrap; }
.tse-msl__lx-opt-t small strong { font-size: 1.25em; font-weight: 700; color: #fff; }
.tse-msl__lx-opt-tag { align-self: center; padding: 0.25em 0.5em; border-radius: 9999px; background: var(--tse-msl-red); color: #fff; font-size: 0.625em; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; white-space: nowrap; }
.tse-msl__lx-opt.is-on { background: rgba(255, 255, 255, 0.14); box-shadow: inset 0 0 0 1.5px #fff; }
.tse-msl__lx-opt.is-on .tse-msl__lx-box { box-shadow: inset 0 0 0 0.375em #fff; }
.tse-msl__lx-opt:has(input:focus-visible) { outline: 2px solid #fff; outline-offset: 2px; }
.tse-msl__lx-pick .tse-msl__f-msg { margin-top: 0.5em; }
.tse-msl__lx-pick[data-state="error"] .tse-msl__lx-opt { box-shadow: inset 0 0 0 1.5px var(--tse-msl-err); }
.tse-msl__lx-pick[data-state="error"] .tse-msl__f-msg { display: flex; color: rgba(255, 255, 255, 0.92); }
/* nút gửi */
.tse-msl__lx-form .tse-msl__form-actions { margin-top: 2em; }
.tse-msl__lx-send { display: flex; align-items: center; justify-content: center; gap: 0.625em; width: 100%; height: 3.5em; border-radius: 9999px; background: #fff; color: var(--tse-msl-brand); font-size: 1em; font-weight: 600; transition: background-color 200ms, transform 200ms cubic-bezier(0.4, 0, 0.2, 1); }
.tse-msl__lx-send svg { width: 1.125em; height: 1.125em; transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1); }
.tse-msl__lx-send[disabled] { opacity: 0.75; cursor: progress; }
/* đang gửi: vòng xoay thay mũi tên */
.tse-msl__lx-spin { display: none; flex: none; width: 1.125em; height: 1.125em; border-radius: 9999px; border: 2px solid rgba(18, 53, 174, 0.2); border-top-color: currentColor; animation: tse-msl-spin 700ms linear infinite; }
.tse-msl__lx-send.is-loading { opacity: 1; }
.tse-msl__lx-send.is-loading .tse-msl__lx-spin { display: block; }
.tse-msl__lx-send.is-loading svg { display: none; }
@keyframes tse-msl-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .tse-msl__lx-spin { animation-duration: 1.6s; } }
.tse-msl__lx-form .tse-msl__form-ok { background: rgba(255, 255, 255, 0.12); color: #fff; }
.tse-msl__lx-form .tse-msl__form-ok svg { color: #22C55E; }
@media (hover: hover) and (min-width: 769px) {
  .tse-msl__lx-info a:hover { color: var(--tse-msl-brand); }
  .tse-msl__lx-opt:not(.is-on):hover { background: rgba(255, 255, 255, 0.1); }
  .tse-msl__lx-form .tse-msl__f:not([data-state="error"]):not([data-state="active"]) .tse-msl__f-box:hover { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35); }
  .tse-msl__lx-send:not([disabled]):hover { background: var(--tse-msl-accent-top); }
  .tse-msl__lx-send:not([disabled]):hover svg { transform: translateX(0.25em); }
}
@container (max-width: 1024px) {
  .tse-msl__lx-frame { grid-template-columns: minmax(0, 1fr); grid-template-areas: "panel" "side"; }
  .tse-msl__lx-side { padding: 2em 1em 1em; }
  .tse-msl__lx-info { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@container (max-width: 640px) {
  .tse-msl__lx-frame { padding: 0.5em; border-radius: 1.5em; }
  .tse-msl__lx-panel { padding: 2em 1.25em 1.5em; border-radius: 1.125em; }
  .tse-msl__lx-title { font-size: 1.75em; }
  .tse-msl__lx-form { margin-top: 1.25em; }
  .tse-msl__lx-opt { padding: 0.75em 0.875em; gap: 0.75em; }
  .tse-msl__lx-opt-t { flex-wrap: wrap; row-gap: 0.125em; align-items: center; }
  .tse-msl__lx-opt-t small { font-size: 0.8125em; }
  .tse-msl__lx-opt-tag { font-size: 0.5625em; }
  .tse-msl__lx-form .tse-msl__form-actions { margin-top: 1.25em; }
  .tse-msl__lx-side { padding: 1.5em 0.75em 0.75em; }
  .tse-msl__lx-info { grid-template-columns: minmax(0, 1fr); gap: 1.25em; margin-top: 1.25em; }
}

/* ===== POPUP CẢM ƠN SAU KHI GỬI FORM (portal ra body) ===== */
/* z-index 100: nổi trên header dính, nút lên đầu trang và bảng bản quyền */
html.tse-msl-lock { overflow: hidden; }
.tse-msl-portal.tse-msl__thanks {
  --tse-msl-brand: #1235AE; --tse-msl-brand-hover: #0E2B8F; --tse-msl-ink: #0A1640; --tse-msl-ice: #EEF2FF; --tse-msl-red: #E60012;
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px;
  font-family: "Be Vietnam Pro", system-ui, sans-serif; color: var(--tse-msl-ink); line-height: 1.5;
}
.tse-msl-portal.tse-msl__thanks[hidden] { display: none; }
.tse-msl__thanks *, .tse-msl__thanks *::before, .tse-msl__thanks *::after { box-sizing: border-box; margin: 0; }
.tse-msl__thanks-backdrop { position: absolute; inset: 0; background: rgba(10, 22, 64, 0.45); opacity: 0; transition: opacity 250ms ease; }
.tse-msl__thanks-dialog {
  position: relative; width: 100%; max-width: 440px; padding: 32px 32px 28px; border-radius: 24px; background: #fff; text-align: center;
  box-shadow: 0 24px 64px -24px rgba(10, 22, 64, 0.45); opacity: 0; transform: translateY(16px) scale(0.98);
  transition: opacity 250ms ease, transform 350ms cubic-bezier(0.22, 1, 0.36, 1);
}
.tse-msl__thanks-dialog:focus { outline: none; }
.tse-msl__thanks.is-open .tse-msl__thanks-backdrop { opacity: 1; }
.tse-msl__thanks.is-open .tse-msl__thanks-dialog { opacity: 1; transform: none; }
.tse-msl__thanks-eyebrow {
  display: inline-block; padding: 4px 12px; border-radius: 9999px; background: var(--tse-msl-ice); color: var(--tse-msl-brand);
  font-size: 13px; font-weight: 500;
}
.tse-msl__thanks.is-error .tse-msl__thanks-eyebrow { background: rgba(230, 0, 18, 0.08); color: var(--tse-msl-red); }
.tse-msl__thanks-title { margin-top: 14px; font-size: 24px; font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
.tse-msl__thanks-text { margin-top: 10px; font-size: 16px; line-height: 1.6; color: rgba(10, 22, 64, 0.7); }
.tse-msl__thanks-btn {
  margin-top: 24px; min-width: 160px; height: 48px; padding: 0 28px; border: 0; border-radius: 9999px; background: var(--tse-msl-brand); color: #fff;
  font: inherit; font-size: 16px; font-weight: 500; text-transform: none; cursor: pointer; transition: background-color 200ms;
}
.tse-msl__thanks-btn:focus-visible { outline: 2px solid #4A6FE3; outline-offset: 3px; }
@media (hover: hover) { .tse-msl__thanks-btn:hover { background: var(--tse-msl-brand-hover); } }
@media (max-width: 480px) { .tse-msl__thanks-dialog { padding: 28px 20px 20px; border-radius: 20px; } .tse-msl__thanks-title { font-size: 21px; } .tse-msl__thanks-btn { width: 100%; } }
@media (prefers-reduced-motion: reduce) { .tse-msl__thanks-backdrop, .tse-msl__thanks-dialog { transition: none; } }

/* ===== NÚT LÊN ĐẦU TRANG (portal ra body) ===== */
/* z-index 90: nút nổi toàn trang */
.tse-msl-portal.tse-msl__totop {
  --tse-msl-brand: #1235AE; --tse-msl-brand-hover: #0E2B8F; --tse-msl-red: #E60012;
  position: fixed; right: 1em; bottom: 1em; z-index: 90;
  display: grid; place-items: center; width: 3.5em; height: 3.5em; padding: 0; border: 0; border-radius: 9999px;
  background: var(--tse-msl-brand); color: #fff; cursor: pointer;
  box-shadow: 0 1px 2px rgba(10, 22, 64, 0.04), 0 4px 12px -6px rgba(10, 22, 64, 0.08);
  font-size: calc(0.5555vw + 5.333px);
  translate: 0 var(--tse-msl-top-lift, 0px);
  opacity: 0; transform: translateY(1em) scale(0.9); pointer-events: none;
  transition: opacity 300ms cubic-bezier(0.22, 1, 0.36, 1), transform 400ms cubic-bezier(0.22, 1, 0.36, 1), background-color 200ms;
}
.tse-msl-portal.tse-msl__totop[hidden] { display: grid; }
.tse-msl-portal.tse-msl__totop.is-on { opacity: 1; transform: none; pointer-events: auto; }
@media (max-width: 1920px) { .tse-msl-portal.tse-msl__totop { font-size: 0.833333vw; } }
@media (max-width: 1440px) { .tse-msl-portal.tse-msl__totop { font-size: 1.111111vw; } }
@media (max-width: 1024px) { .tse-msl-portal.tse-msl__totop { font-size: 1.5625vw; } }
@media (max-width: 640px)  { .tse-msl-portal.tse-msl__totop { font-size: 4.444444vw; right: 0.75em; bottom: 0.75em; width: 2.75em; height: 2.75em; } }
.tse-msl__totop > svg:last-child { position: relative; width: 1.25em; height: 1.25em; transition: transform 300ms cubic-bezier(0.22, 1, 0.36, 1); }
.tse-msl__totop-ring { position: absolute; inset: -0.25em; width: calc(100% + 0.5em); height: calc(100% + 0.5em); transform: rotate(-90deg); }
.tse-msl__totop-track { fill: none; stroke: rgba(18, 53, 174, 0.15); stroke-width: 2.5; }
.tse-msl__totop-bar { fill: none; stroke: var(--tse-msl-red); stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: 138.2; stroke-dashoffset: 138.2; }
.tse-msl__totop:focus-visible { outline: 2px solid var(--tse-msl-brand); outline-offset: 4px; }
@media (hover: hover) and (min-width: 769px) {
  .tse-msl__totop:hover { background: var(--tse-msl-brand-hover); }
  .tse-msl__totop:hover > svg:last-child { transform: translateY(-0.2em); }
}
@media (prefers-reduced-motion: reduce) { .tse-msl-portal.tse-msl__totop, .tse-msl__totop > svg:last-child { transition: none; } }

/* ===== HOVER ===== */
@media (hover: hover) {
  @container (min-width: 769px) {
    .tse-msl__btn--solid:hover, .tse-msl__btn--ghost:hover { transform: translateY(-2px); }
    .tse-msl__btn--solid:hover { background: var(--tse-msl-brand-hover); }
    .tse-msl__btn--dark:hover { background: var(--tse-msl-brand-hover); transform: translateY(-2px); }
    .tse-msl__btn--white:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px var(--tse-msl-line), var(--tse-msl-shadow); }
    .tse-msl__pillbar button[aria-pressed="false"]:hover { background: var(--tse-msl-ice); }
    .tse-msl__cta2-btn:hover { background: #fff; color: var(--tse-msl-brand); }
    .tse-msl__cta2-btn:hover svg { transform: translate(0.25em, -0.25em); }
    .tse-msl__f-clear:hover { background: var(--tse-msl-accent-top); color: var(--tse-msl-brand); }
    .tse-msl__f:not([data-state="error"]):not([data-state="success"]) .tse-msl__f-box:hover { border-color: rgba(10, 22, 64, 0.32); }
    .tse-msl__ct-soc:hover { background: var(--tse-msl-red); color: #fff; }
    .tse-msl__thumb:not(.is-active):hover .tse-msl__img { box-shadow: 0 0 0 2px rgba(18, 53, 174, 0.35); }
    .tse-msl__btn--primary:hover { transform: translateY(-5px); filter: brightness(1.05); box-shadow: none; }
    .tse-msl__btn--primary:hover > svg { animation: none; transform: translateX(0.375em); }
    .tse-msl__btn--ghost:hover { background: var(--tse-msl-ice); }
    .tse-msl__btn--light:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.7); }
      }
}

/* ===== RESPONSIVE ===== */
@container (max-width: 1024px) {
  /* khung chỉ còn 64em mà hàng header cần ~66em: thu khoảng cách để menu vẫn nằm trên một dòng */
  .tse-msl__panel { padding: 3em; }
  .tse-msl__cta2 { padding: 2.5em; gap: 2em; }
  .tse-msl__cta2-title { font-size: 2.25em; }
  .tse-msl__bonus { grid-template-columns: 38% minmax(0, 1fr); }
  .tse-msl__bonus-body { padding-right: 2.5em; }
  .tse-msl__top-row { grid-template-columns: minmax(0, 1fr) 20em; gap: 2.5em; }
  .tse-msl__display { font-size: 3.75em; }
  .tse-msl__win { width: 86%; }
  .tse-msl__note { left: 3%; width: 22em; }
  .tse-msl__ov { gap: 3em; }
  .tse-msl__ov-title { font-size: 3.75em; }
  .tse-msl__ct-row { gap: 3em; }
  .tse-msl__pack2-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@container (max-width: 640px) {
  .tse-msl__panel { padding: 2.5em 1.25em; border-radius: 1em; }
  .tse-msl__ov, .tse-msl__split, .tse-msl__feature, .tse-msl__feature:nth-child(even), .tse-msl__res { grid-template-columns: minmax(0, 1fr); gap: 2em; }
  .tse-msl__split--rev > :first-child { order: 0; }
  .tse-msl__top { padding-top: 2em; }
  .tse-msl__top-row { grid-template-columns: minmax(0, 1fr); gap: 1.5em; }
  .tse-msl__display { font-size: 2.5em; }
  .tse-msl__top-desc { font-size: 1.0625em; }
  .tse-msl__top-ctas .tse-msl__btn { flex: 1; }
  .tse-msl__keys { margin-top: 1.5em; }
  .tse-msl__stage { margin-top: 2.5em; padding: 1.5em 0 1em; border-radius: 1.25em; }
  .tse-msl__pillbar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: auto; margin: 0 1em; border-radius: 1em; }
  .tse-msl__pillbar button { padding: 0.5em; border-radius: 0.75em; font-size: 0.8125em; }
  .tse-msl__win { width: calc(100% - 2em); height: auto; margin-top: 1.25em; border-radius: 0.75em; }
  .tse-msl__win-body { grid-template-columns: minmax(0, 1fr); }
  .tse-msl__thumbs, .tse-msl__win-dots { display: none; }
  .tse-msl__win-bar { grid-template-columns: minmax(0, 1fr) auto; gap: 0.75em; padding: 0.625em 0.875em; }
  .tse-msl__win-file { justify-self: start; font-size: 0.75em; }
  .tse-msl__screen { margin: 0.75em; }
  .tse-msl__note { position: relative; left: auto; bottom: auto; width: auto; min-height: 0; margin: 0.75em 1em 0; border-radius: 0.75em; padding: 1em 1.125em; }
  /* màn hẹp: dời vùng sáng xuống góc dưới phải để chữ trắng luôn nằm trên nền xanh đậm */
  .tse-msl__banner {
    background-image:
      repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, rgba(255, 255, 255, 0) 1px 5em),
      radial-gradient(70% 30% at 100% 100%, rgba(238, 242, 255, 0.85) 0%, rgba(238, 242, 255, 0) 70%),
      radial-gradient(90% 40% at 90% 95%, rgba(143, 176, 255, 0.8) 0%, rgba(143, 176, 255, 0) 70%),
      radial-gradient(140% 70% at 15% 15%, rgba(11, 34, 117, 0.55) 0%, rgba(11, 34, 117, 0) 45%),
      radial-gradient(140% 90% at 15% 15%, rgba(18, 53, 174, 0.95) 0%, rgba(18, 53, 174, 0.85) 35%, rgba(18, 53, 174, 0.5) 60%, rgba(18, 53, 174, 0) 85%);
  }
  .tse-msl__h2 { font-size: 1.875em; }
  .tse-msl__h2--md { font-size: 1.375em; }
  .tse-msl__h3 { font-size: 1.25em; }
  .tse-msl__sh { margin-bottom: 2em; }
  .tse-msl__ov-title { font-size: 2.5em; }
  .tse-msl__ov-list { gap: 1.25em; margin-top: 1.75em; }
  .tse-msl__ov-num { width: 2.5em; height: 2.5em; }
  .tse-msl__ov-list p { padding-top: 0.4em; font-size: 1.0625em; }
  .tse-msl__band-txt { font-size: 0.9375em; }
  .tse-msl__band-box { padding-right: 0.75em; gap: 0.5em; }
  .tse-msl__band-ico { width: 1.75em; height: 1.75em; }
  .tse-msl__band-arrow { display: none; }
  .tse-msl__ct-title { justify-content: flex-start; margin-bottom: 0.5em; font-size: 2em; }
  .tse-msl__ct-row { grid-template-columns: minmax(0, 1fr); gap: 1.5em; }
  .tse-msl__ct-row + .tse-msl__ct-row { margin-top: 2.5em; }
  .tse-msl__ct-media { padding: 1.5em 1.25em; border-radius: 1em; }
  .tse-msl__ct-step { padding: 1em 1.125em; gap: 0.875em; }
  .tse-msl__ct-num { width: 2.25em; height: 2.25em; }
  .tse-msl__ct-h { padding-top: 0.2em; font-size: 1.0625em; }
  .tse-msl__ct-lines { display: none; }
  .tse-msl__cx-title { font-size: 1.625em; justify-content: flex-start; }
  .tse-msl__cx-rows { gap: 3em; }
  .tse-msl__cx-row { grid-template-columns: minmax(0, 1fr); gap: 1.75em; }
  .tse-msl__cx-row:nth-child(even) .tse-msl__cx-text { order: 0; }
  .tse-msl__cx-h { font-size: 1.25em; }
  .tse-msl__cx-mk { font-size: 1em; }
  .tse-msl__cx-stack { border-radius: 1em; }
  .tse-msl__cx-tag { font-size: 0.75em; }
  .tse-msl__tx-head { align-items: flex-start; text-align: left; margin-bottom: 1.75em; }
  .tse-msl__tx-lead { font-size: 1em; }
  .tse-msl__tx-res { grid-template-columns: minmax(0, 1fr); gap: 1.5em; padding: 1.25em; border-radius: 1em; }
  .tse-msl__gallery--pair { grid-template-columns: minmax(0, 1fr); gap: 1em; }
  .tse-msl__form-grid { grid-template-columns: minmax(0, 1fr); gap: 0.875em; }
  .tse-msl__form-actions { margin-top: 0.5em; } /* mobile: nút gửi sát form hơn */
  .tse-msl__cta2 { grid-template-columns: minmax(0, 1fr) auto; gap: 1.25em 1em; padding: 2em 1.5em; border-radius: 1em; }
  .tse-msl__cta2-title { grid-column: 1 / -1; font-size: 1.75em; }
  .tse-msl__cta2-btn { width: 4.5em; height: 4.5em; border-radius: 1em; }
  .tse-msl__cta2-btn svg { width: 2em; height: 2em; }
  .tse-msl__lp-title { font-size: 2em; }
  .tse-msl__lp-sub { font-size: 1em; }
  .tse-msl__lp-item { grid-template-columns: 2.25em minmax(0, 1fr); gap: 0.75em 1em; align-items: start; }
  .tse-msl__lp-text { padding-top: 0.2em; }
  .tse-msl__lp-name { font-size: 1.25em; }
  .tse-msl__lp-cap { font-size: 1em; }
  .tse-msl__lp-item .tse-msl__img { grid-column: 2; }
  .tse-msl__lp-item:not(:last-child)::after { display: none; }
  .tse-msl__lp-item + .tse-msl__lp-item::before { left: 3.25em; }
  .tse-msl__lp-title { font-size: 2em; }
  .tse-msl__bf { grid-template-columns: minmax(0, 1fr); gap: 1.25em; padding: 1.25em; }
  .tse-msl__bf-item, .tse-msl__bf-item + .tse-msl__bf-item { align-items: flex-start; padding: 0; border-left: 0; }
  .tse-msl__bf-item + .tse-msl__bf-item { padding-top: 1.25em; border-top: 1px solid rgba(18, 53, 174, 0.15); }
  .tse-msl__bf p { font-size: 1em; }
  .tse-msl__bonus { grid-template-columns: minmax(0, 1fr); min-height: 0; border-radius: 1em; }
  .tse-msl__bonus-media { margin-right: 0; padding: 2.5em 1.25em 3.5em; clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%); }
  .tse-msl__bonus-cover { width: 62%; transform: rotate(-4deg); }
  .tse-msl__bonus-body { padding: 1.5em 1.25em 2.5em; }
  .tse-msl__bonus-title { font-size: 2em; }
  .tse-msl__bonus-text { font-size: 1.0625em; }
  .tse-msl__bonus-dots, .tse-msl__bonus-ring, .tse-msl__spark--3, .tse-msl__spark--5 { display: none; }
  .tse-msl__pack2 { margin-top: 2em; }
  .tse-msl__bf-sec { margin-top: -2.25em; }
  .tse-msl__pack2-title { font-size: 1.25em; }
  .tse-msl__pack2-grid { grid-template-columns: minmax(0, 1fr); gap: 1.25em; margin-top: 1.25em; }
  .tse-msl__pack2-item--main { grid-column: auto; grid-row: auto; }
  .tse-msl__pack2-item p { padding-top: 0.4em; font-size: 1.0625em; }
  .tse-msl__pack2-sub li { font-size: 0.9375em; }
  .tse-msl__ov-stage { padding: 2em 1em 2.5em; }
  .tse-msl__ov-stage .tse-msl__img { width: 60%; }
  .tse-msl__ov-win-bar { grid-template-columns: 2.5em minmax(0, 1fr) 2.5em; gap: 0.5em; padding: 0.75em 1em; }
  .tse-msl__ov-win .tse-msl__win-dots { display: flex; gap: 0.25em; }
  .tse-msl__ov-win .tse-msl__win-dots i { width: 0.5em; height: 0.5em; }
  .tse-msl__bento { grid-template-columns: minmax(0, 1fr); }
  .tse-msl__feature:nth-child(even) .tse-msl__feature-text { order: 0; }
  .tse-msl__features { gap: 3em; }
  .tse-msl__steps { gap: 0.5em; margin-bottom: 2.5em; }
  .tse-msl__step { font-size: 1em; }
  .tse-msl__plus { width: 1.125em; height: 1.125em; }
  .tse-msl__cmp { padding: 1.25em; }
  .tse-msl__cmp-title { font-size: 1.125em; }
  .tse-msl__cmp-grid { grid-template-columns: minmax(0, 1fr); gap: 1em; }
  .tse-msl__cmp-arrow { justify-self: center; width: 2.5em; height: 2.5em; transform: rotate(90deg); }
  .tse-msl__bcard--big { grid-row: auto; }
  .tse-msl__row { padding: 1.25em 1em; gap: 1em; }
  .tse-msl__row-title { font-size: 1.0625em; }
  .tse-msl__res { margin-top: 3em; }
  .tse-msl__report { padding: 1.25em; }
  .tse-msl__table { font-size: 0.8125em; }
  .tse-msl__cta { padding: 3em 1.25em; }
  .tse-msl__cta-btns { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .tse-msl__btn, .tse-msl__slide { transition: none; }
  .tse-msl__spark { animation: none; }
  .tse-msl__btn--primary::before, .tse-msl__btn--primary::after, .tse-msl__btn--primary > svg { animation: none; }
}