:root {
  --green: #0a9f12;
  --green-dark: #006b0b;
  --green-deep: #075522;
  --green-ink: #14331c;
  --green-soft: #dff2c7;
  --orange: #ff9900;
  --orange-dark: #9b4d00;
  --sky: #d7f7f2;
  --cream: #fff9df;
  --paper: #fffef8;
  --white: #ffffff;
  --muted: #3f5b47;
  --border: #c9dbc8;
  --shadow: 0 20px 50px rgba(18, 65, 27, .14);
  --shadow-soft: 0 8px 24px rgba(18, 65, 27, .10);
  --container: 1280px;
}

body {
  background: var(--paper);
  color: var(--green-ink);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.55;
}

p { margin-bottom: 14px; text-wrap: pretty; }
h1, h2, h3, h4 { font-weight: 800; letter-spacing: -.04em; text-wrap: balance; }
h1 { font-size: clamp(50px, 6vw, 82px); }
h2 { font-size: clamp(36px, 4.2vw, 58px); }
h3 { font-size: clamp(21px, 2vw, 28px); }
.lede { color: #34543d; font-size: 19px; font-weight: 600; line-height: 1.62; }
.section { padding: 62px 0; }
.section.compact { padding: 46px 0; }
.section-heading { margin-bottom: 28px; }
.eyebrow { margin-bottom: 10px; color: var(--green-dark); font-size: 13px; letter-spacing: .11em; }

.site-header { border-color: #e2eadf; background: rgba(255, 255, 255, .97); }
.nav-shell { min-height: 86px; gap: 20px; }
.site-header .brand { padding: 6px 0; }
.site-header .brand-logo { width: 112px; }
.desktop-nav { gap: 8px; }
.nav-item { position: relative; display: flex; align-items: center; }
.nav-link { padding: 26px 10px 22px; color: #294c31; font-size: 14px; font-weight: 700; }
.nav-link::after { bottom: 16px; height: 3px; border-radius: 99px; background: var(--orange); }
.nav-link.active, .nav-link:hover { color: var(--green-dark); }
.nav-link.active::after { transform: scaleX(1); }
.nav-caret { display: grid; width: 25px; height: 25px; place-items: center; margin-left: -8px; border: 0; background: transparent; color: var(--green-dark); transform: rotate(90deg); }
.course-dropdown { position: absolute; top: calc(100% - 5px); left: 0; display: grid; min-width: 190px; padding: 9px; border: 1px solid var(--border); border-radius: 15px; background: white; box-shadow: var(--shadow-soft); opacity: 0; visibility: hidden; transform: translateY(8px); transition: .18s ease; }
.course-dropdown a { padding: 10px 12px; border-radius: 9px; color: var(--muted); font-size: 14px; font-weight: 700; }
.course-dropdown a:hover, .course-dropdown a.active { background: var(--green-soft); color: var(--green-dark); }
.nav-item:hover .course-dropdown, .nav-item:focus-within .course-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.html-link { gap: 8px; background: linear-gradient(135deg, #ffb12b, var(--orange)) !important; color: #3e2500 !important; box-shadow: 0 9px 18px rgba(255, 153, 0, .24) !important; }

.button { min-height: 50px; gap: 9px; padding: 13px 21px; border-radius: 13px; font-size: 16px; }
.button.primary { background: linear-gradient(135deg, #12872a, var(--green-dark)); }
.button.secondary { border-width: 2px; background: white; }
.text-link-light { color: white; font-weight: 800; text-decoration: underline; text-underline-offset: 5px; }

.hero { display: block; min-height: 0; padding: 42px 0 34px; background: linear-gradient(125deg, #d7f7f2 0%, #e7f8e8 58%, #fff0cd 100%); }
.hero::before, .hero::after { display: none; }
.hero-grid { grid-template-columns: minmax(410px, .72fr) minmax(0, 1.28fr); gap: 42px; align-items: center; }
.hero-copy .lede { max-width: 650px; margin-top: 20px; }
.hero-copy h1 span { color: var(--orange); text-shadow: 0 3px 0 rgba(155, 77, 0, .10); }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px; padding: 8px 12px; border-radius: 99px; background: white; color: var(--green-dark); font-size: 13px; font-weight: 800; letter-spacing: .05em; }
.hero-badge i { color: var(--orange); }
.hero-actions { margin-top: 24px; }
.hero-bottom { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 26px; align-items: center; margin-top: 26px; border-top: 1px solid rgba(0, 107, 11, .18); border-bottom: 1px solid rgba(0, 107, 11, .18); }
.hero-benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; padding: 15px 0; }
.hero-benefits > div { display: flex; gap: 9px; align-items: center; min-width: 0; padding: 0 12px; border-left: 1px solid rgba(0, 107, 11, .16); }
.hero-benefits > div:first-child { padding-left: 0; border-left: 0; }
.hero-benefits i { color: var(--green-dark); }
.hero-benefits span { display: block; color: var(--muted); font-size: 12px; line-height: 1.25; }
.hero-benefits strong { display: block; color: var(--green-ink); font-size: 13px; }
.hero-note { padding-right: 4px; color: #345a3c; font-size: 14px; font-weight: 700; white-space: nowrap; }
.hero-visual { position: relative; min-height: 0; overflow: hidden; aspect-ratio: 3281 / 1441; border: 9px solid white; border-radius: 30px 12px 30px 12px; background: var(--green-soft); box-shadow: 20px 20px 0 rgba(255, 153, 0, .24), var(--shadow); }
.hero-visual > img { display: block; width: 100%; height: 100%; object-fit: contain; object-position: center; }
.hero-photo-card { right: 18px; bottom: 18px; transform: none; }
.hero-photo-card strong { display: flex; align-items: center; gap: 8px; }

.split-heading { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 54px; align-items: end; margin-bottom: 30px; }
.split-heading p:last-child { margin: 0; color: var(--muted); font-size: 18px; font-weight: 600; }
.split-heading.light h2, .split-heading.light p { color: white; }
.split-heading.light .eyebrow { color: #ffd27f; }

.course-section { background: linear-gradient(180deg, var(--paper) 0%, #fff8df 100%); }
.course-shelf { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); overflow: hidden; border: 1px solid #dfd5ad; border-radius: 24px; background: var(--cream); box-shadow: var(--shadow-soft); }
.shelf-course { --level-color: #20ad88; position: relative; display: flex; min-width: 0; flex-direction: column; padding: 18px 14px 16px; border-right: 1px solid #dfd5ad; transition: background .18s ease, transform .18s ease; }
.shelf-course:last-child { border-right: 0; }
.shelf-course:hover { z-index: 2; background: white; }
.shelf-course.level-2 { --level-color: #7760d7; }
.shelf-course.level-3 { --level-color: #1cb8c5; }
.shelf-course.level-4 { --level-color: #f39a28; }
.shelf-course.level-5 { --level-color: #d91545; }
.shelf-course.level-6 { --level-color: #1499c3; }
.book-stage { position: relative; display: grid; height: 215px; place-items: center; }
.book-stage img { width: auto; max-width: 145px; height: 195px; object-fit: contain; filter: drop-shadow(0 12px 10px rgba(20, 51, 28, .18)); animation: bookFloat 4.5s ease-in-out infinite; }
.shelf-course:nth-child(even) .book-stage img { animation-delay: -2.1s; }
.level-orbit { position: absolute; top: 2px; right: 0; display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; background: var(--level-color); color: white; font-size: 14px; font-weight: 800; }
.shelf-copy { display: flex; flex: 1; flex-direction: column; }
.journey-level { width: auto; height: auto; justify-content: flex-start; background: transparent; color: var(--level-color); font-size: 13px; }
.shelf-copy h3 { margin-top: 5px; overflow: hidden; font-size: 18px; text-overflow: ellipsis; white-space: nowrap; }
.shelf-copy p { min-height: 39px; margin-top: 6px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.shelf-price { display: grid; gap: 1px; margin-top: auto; }
.shelf-price del { color: #6a746b; font-size: 13px; }
.shelf-price strong { color: var(--green-dark); font-size: 14px; }
.promo-price:not(.is-active) [data-original-price] { display: none; }
.promo-countdown { display: none; color: var(--orange-dark); font-size: 11px; font-weight: 800; letter-spacing: .02em; line-height: 1.35; }
.promo-price.is-active .promo-countdown { display: block; }
.shelf-price .promo-countdown { margin-top: 3px; }
.price-value .promo-countdown { margin-top: 6px; }
.shelf-link { display: flex; align-items: center; gap: 6px; margin-top: 10px; color: var(--green-dark); font-size: 12px; font-weight: 800; }

/* Shared 48-hour offer: a compact floating entry point plus the full clock on course pages. */
.promo-clock { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; font-variant-numeric: tabular-nums; }
.promo-clock[hidden], .floating-promotion[hidden] { display: none !important; }
.promo-clock-unit { display: grid; min-width: 48px; place-items: center; padding: 7px 5px 6px; border: 1px solid rgba(255,255,255,.18); border-radius: 13px; background: rgba(255,255,255,.11); }
.promo-clock-unit strong { color: white; font-size: 18px; font-weight: 800; line-height: 1; }
.promo-clock-unit small { margin-top: 4px; color: rgba(255,255,255,.72); font-size: 9px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.course-promo-clock { margin: -5px 0 18px; }

.floating-promotion { position: fixed; right: 18px; bottom: 18px; z-index: 45; display: grid; grid-template-columns: auto auto auto auto; gap: 11px; align-items: center; max-width: calc(100vw - 36px); padding: 11px 12px; border: 1px solid rgba(255,255,255,.25); border-radius: 20px; background: linear-gradient(135deg, #075522 0%, #0a7d27 58%, #0a9f12 100%); color: white; box-shadow: 0 18px 48px rgba(7, 60, 28, .28), inset 0 1px 0 rgba(255,255,255,.18); transition: transform .2s ease, box-shadow .2s ease; }
.floating-promotion:hover { color: white; transform: translateY(-3px); box-shadow: 0 23px 54px rgba(7, 60, 28, .34), inset 0 1px 0 rgba(255,255,255,.18); }
.floating-promotion-icon { display: grid; width: 36px; height: 36px; place-items: center; border-radius: 12px; background: var(--orange); color: #4b2b00; box-shadow: 0 7px 15px rgba(0,0,0,.13); }
.floating-promotion-copy { display: grid; min-width: 118px; }
.floating-promotion-copy small { color: #ffd688; font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.floating-promotion-copy strong { margin-top: 1px; color: white; font-size: 14px; line-height: 1.15; }
.floating-promo-clock { gap: 4px; }
.floating-promo-clock .promo-clock-unit { min-width: 39px; padding: 6px 4px 5px; border-radius: 10px; }
.floating-promo-clock .promo-clock-unit strong { font-size: 15px; }
.floating-promo-clock .promo-clock-unit small { margin-top: 3px; font-size: 7px; }
.floating-promotion-arrow { display: grid; width: 27px; height: 27px; place-items: center; border-radius: 50%; background: white; color: var(--green-dark); }

/* Persistent contact rail, adapted from MXiao for Bamboo's schedule and parent consultation flow. */
.floating-contact-rail { position: fixed; top: 34%; right: 0; z-index: 44; display: grid; gap: 10px; justify-items: end; }
.floating-contact-primary, .floating-contact-channels { display: grid; gap: 7px; justify-items: end; }
.floating-contact-tab { display: grid; width: 54px; min-height: 116px; place-items: center; gap: 8px; padding: 11px 7px; border-radius: 19px 0 0 19px; color: white; box-shadow: 0 12px 30px rgba(10, 65, 31, .2); transition: width .2s ease, transform .2s ease, box-shadow .2s ease; }
.floating-contact-tab.schedule { background: linear-gradient(180deg, #08732c, #075522); }
.floating-contact-tab.consult { background: linear-gradient(180deg, #18aeb8, #147c90); }
.floating-contact-tab span { font-size: 10px; font-weight: 800; letter-spacing: .06em; text-orientation: mixed; text-transform: uppercase; writing-mode: vertical-rl; }
.floating-contact-tab:hover { width: 59px; color: white; transform: translateX(-2px); box-shadow: 0 16px 34px rgba(10, 65, 31, .27); }
.floating-contact-channel { position: relative; display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid rgba(7, 80, 35, .1); border-radius: 16px 0 0 16px; background: white; box-shadow: 0 9px 25px rgba(16, 66, 34, .16); transition: width .2s ease, transform .2s ease; }
.floating-contact-channel > i { color: #1689ef; font-size: 22px; }
.floating-contact-channel.zalo strong { display: grid; width: 31px; height: 31px; place-items: center; border: 2px solid #1877f2; border-radius: 50%; color: #1877f2; font-size: 10px; font-weight: 800; }
.floating-contact-channel.phone i { color: var(--orange-dark); }
.floating-contact-channel > span { position: absolute; right: calc(100% + 8px); visibility: hidden; padding: 7px 9px; border-radius: 9px; background: var(--green-deep); color: white; font-size: 11px; font-weight: 800; opacity: 0; transform: translateX(5px); transition: opacity .18s ease, transform .18s ease, visibility .18s ease; white-space: nowrap; }
.floating-contact-channel:hover { width: 53px; transform: translateX(-2px); }
.floating-contact-channel:hover > span { visibility: visible; opacity: 1; transform: translateX(0); }

.development-journey { overflow: hidden; border: 1px solid #d8dfc5; border-radius: 24px; background: white; box-shadow: var(--shadow-soft); }
.journey-phases { display: grid; grid-template-columns: repeat(3, 1fr); background: linear-gradient(110deg, #07491f, #13772d); color: white; }
.journey-phases span { display: flex; gap: 10px; align-items: center; justify-content: center; padding: 13px 18px; border-left: 1px solid rgba(255,255,255,.18); font-size: 14px; font-weight: 800; }
.journey-phases span:first-child { border-left: 0; }
.journey-phases small { color: #ffd17c; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.development-track { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.development-stage { --stage-color: #20ad88; position: relative; min-width: 0; padding: 22px 17px 24px; border-right: 1px solid #e2e9da; }
.development-stage:last-child { border-right: 0; }
.development-stage.level-2 { --stage-color: #7d62d5; }
.development-stage.level-3 { --stage-color: #20aaba; }
.development-stage.level-4 { --stage-color: #ec9227; }
.development-stage.level-5 { --stage-color: #d9435f; }
.development-stage.level-6 { --stage-color: #178eaf; }
.development-node { display: flex; align-items: center; gap: 9px; padding-bottom: 15px; border-bottom: 4px solid var(--stage-color); }
.stage-icon { display: grid; width: 40px; height: 40px; flex: 0 0 40px; place-items: center; border-radius: 50%; background: var(--stage-color); color: white; transition: transform .22s ease; }
.development-stage:hover .stage-icon { transform: translateY(-4px) rotate(-5deg); }
.development-node strong { color: var(--stage-color); font-size: 18px; }
.stage-phase { margin: 17px 0 5px !important; color: var(--stage-color) !important; font-size: 12px !important; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.development-stage h3 { min-height: 53px; font-size: 20px; line-height: 1.28; }
.development-stage > p:last-child { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.52; }
.roadmap-scroll { overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-color: rgba(14, 103, 42, .35) transparent; scrollbar-width: thin; }
.roadmap { position: relative; min-height: 480px; overflow: hidden; background: radial-gradient(circle at 15% 12%, rgba(255, 255, 255, .9), transparent 25%), radial-gradient(circle at 84% 38%, rgba(255, 235, 167, .72), transparent 24%), linear-gradient(145deg, #ddf6ea 0%, #eff9d8 46%, #fff4cf 100%); isolation: isolate; }
.roadmap::before, .roadmap::after { position: absolute; z-index: -1; border-radius: 50%; content: ""; filter: blur(2px); }
.roadmap::before { top: 95px; right: 7%; width: 150px; height: 150px; background: rgba(120, 208, 161, .17); }
.roadmap::after { bottom: 86px; left: 5%; width: 190px; height: 190px; background: rgba(255, 189, 66, .14); }
.road-svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.road-edge, .road-surface, .road-center { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.road-edge { stroke: rgba(3, 72, 28, .18); stroke-width: 62; }
.road-surface { stroke: #13732d; stroke-width: 49; filter: drop-shadow(0 13px 11px rgba(11, 68, 32, .16)); }
.road-center { stroke: rgba(255, 255, 255, .88); stroke-width: 4; stroke-dasharray: 16 18; animation: roadFlow 16s linear infinite; }
.road-label { position: absolute; z-index: 2; display: inline-flex; gap: 7px; align-items: center; padding: 8px 12px; border: 2px solid rgba(255,255,255,.84); border-radius: 999px; background: rgba(255,255,255,.88); color: var(--green-deep); box-shadow: 0 8px 22px rgba(14, 72, 31, .12); font-size: 13px; font-weight: 800; backdrop-filter: blur(8px); }
.road-start { top: 18px; left: 18px; }
.road-finish { right: 18px; bottom: 14px; background: linear-gradient(135deg, #ffbc3f, var(--orange)); color: #4a2a00; }
.road-stop { --stop-color: #20ad88; position: absolute; z-index: 3; display: block; color: inherit; text-decoration: none; cursor: pointer; transform: translate(-50%, -50%); }
.road-stop.stop-1 { top: 22.8%; left: 6%; }
.road-stop.stop-2 { top: 32.2%; left: 25%; --stop-color: #7456cf; }
.road-stop.stop-3 { top: 41.7%; left: 41.7%; --stop-color: #129eb2; }
.road-stop.stop-4 { top: 56.1%; left: 57.5%; --stop-color: #ea8b1e; }
.road-stop.stop-5 { top: 68.3%; left: 74.2%; --stop-color: #d52e54; }
.road-stop.stop-6 { top: 82.5%; left: 94.5%; --stop-color: #0a79a7; }
.road-pin { position: relative; z-index: 2; display: inline-flex; gap: 8px; align-items: center; min-height: 46px; padding: 8px 13px; border: 5px solid white; border-radius: 999px; background: var(--stop-color); color: white; box-shadow: 0 10px 22px rgba(10, 63, 29, .2); white-space: nowrap; transition: transform .22s ease, box-shadow .22s ease; }
.road-stop:hover .road-pin { transform: translateY(-5px) scale(1.04); box-shadow: 0 16px 28px rgba(10, 63, 29, .25); }
.road-stop:focus-visible { outline: none; }
.road-stop:focus-visible .road-pin { transform: translateY(-5px) scale(1.04); box-shadow: 0 0 0 4px rgba(255, 153, 0, .42), 0 16px 28px rgba(10, 63, 29, .25); }
.road-stop:hover .road-stage-card, .road-stop:focus-visible .road-stage-card { border-color: var(--stop-color); box-shadow: 0 16px 32px rgba(17, 68, 30, .18); }
.road-pin.goal { background: linear-gradient(135deg, #ffb52d, #f38900); color: #4a2a00; }
.road-pin strong { font-size: 15px; letter-spacing: .01em; }
.road-stage-card { position: absolute; top: 58px; left: 50%; width: 176px; padding: 13px 14px 12px; border: 1px solid color-mix(in srgb, var(--stop-color) 38%, white); border-radius: 17px; background: rgba(255, 255, 255, .95); box-shadow: 0 12px 28px rgba(17, 68, 30, .13); transform: translateX(-50%); backdrop-filter: blur(8px); }
.road-stop:nth-of-type(even) .road-stage-card { top: auto; bottom: 58px; }
.road-stop.stop-2 .road-stage-card { top: 58px; bottom: auto; }
.road-stop.stop-5 .road-stage-card { top: auto; bottom: 58px; }
.road-stop.stop-1 .road-stage-card { left: 12px; transform: none; }
.road-stop.stop-6 .road-stage-card { right: 10px; left: auto; transform: none; }
.road-stage-card .stage-phase { margin: 0 0 4px !important; color: var(--stop-color) !important; font-size: 11px !important; }
.road-stage-card h3 { margin: 0; color: var(--green-ink); font-size: 17px; line-height: 1.2; }
.road-stage-card > p:last-child { margin: 5px 0 0; color: #3d5a44; font-size: 12px; font-weight: 600; line-height: 1.35; }
.journey-outcome { display: grid; grid-template-columns: 45px minmax(0, 1fr) auto; gap: 15px; align-items: center; padding: 20px 24px; border-top: 1px solid #d8dfc5; background: linear-gradient(110deg, var(--green-soft), #eef8d7); }
.journey-outcome > span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 14px; background: var(--green-dark); color: white; }
.journey-outcome strong { color: var(--green-deep); font-size: 17px; }
.journey-outcome p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.journey-outcome .arrow-link { display: flex; align-items: center; gap: 7px; white-space: nowrap; }

/* Homepage YCT ladder — adapted from the stepped course rhythm on MXiao. */
.ladder-journey { border-color: #d8dfc5; background: linear-gradient(180deg, #f8fff4 0%, #fffdf2 100%); }
.yct-ladder { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; align-items: end; min-height: 535px; padding: 24px 18px 0; background: radial-gradient(circle at 10% 8%, rgba(255,255,255,.95), transparent 24%), radial-gradient(circle at 88% 16%, rgba(255,200,86,.22), transparent 25%), linear-gradient(145deg, #e7f8e7 0%, #f2f9dd 54%, #fff5d7 100%); }
.yct-ladder-slot { display: flex; min-width: 0; align-items: flex-end; }
.yct-ladder-card { --stage-color: #20ad88; position: relative; display: flex; width: 100%; height: var(--ladder-height); min-width: 0; overflow: hidden; flex-direction: column; padding: 15px; border: 1px solid color-mix(in srgb, var(--stage-color) 28%, white); border-radius: 23px 23px 7px 7px; background: linear-gradient(180deg, rgba(255,255,255,.96), color-mix(in srgb, var(--stage-color) 10%, #fff9e8)); box-shadow: 0 13px 28px rgba(18, 70, 32, .09); color: var(--green-ink); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.yct-ladder-card.level-2 { --stage-color: #7760d7; }
.yct-ladder-card.level-3 { --stage-color: #16aebd; }
.yct-ladder-card.level-4 { --stage-color: #f29324; }
.yct-ladder-card.level-5 { --stage-color: #d91545; }
.yct-ladder-card.level-6 { --stage-color: #1499c3; }
.yct-ladder-card::after { position: absolute; right: -37px; bottom: -42px; width: 125px; height: 125px; border: 18px solid color-mix(in srgb, var(--stage-color) 11%, transparent); border-radius: 50%; content: ""; }
.yct-ladder-card:hover, .yct-ladder-card:focus-visible { z-index: 3; border-color: var(--stage-color); outline: none; box-shadow: 0 23px 48px color-mix(in srgb, var(--stage-color) 22%, transparent); transform: translateY(-9px); }
.ladder-card-head { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.ladder-level { padding: 6px 9px; border: 1px solid color-mix(in srgb, var(--stage-color) 30%, white); border-radius: 999px; background: white; color: var(--stage-color); font-size: 12px; font-weight: 800; }
.ladder-number { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 50%; background: var(--stage-color); color: white; font-size: 11px; font-weight: 800; box-shadow: 0 7px 16px color-mix(in srgb, var(--stage-color) 24%, transparent); }
.ladder-book { position: relative; z-index: 1; display: grid; height: 112px; margin: 8px 0 3px; place-items: center; }
.ladder-book img { width: auto; max-width: 86px; height: 108px; object-fit: contain; filter: drop-shadow(0 9px 7px rgba(20, 51, 28, .17)); transition: transform .25s ease; }
.yct-ladder-card:hover .ladder-book img, .yct-ladder-card:focus-visible .ladder-book img { transform: translateY(-4px) rotate(-2deg); }
.ladder-phase { position: relative; z-index: 1; display: flex; gap: 6px; align-items: center; margin: 3px 0 5px; color: var(--stage-color); font-size: 11px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.yct-ladder-card h3 { position: relative; z-index: 1; margin: 0; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.16; }
.ladder-copy { position: relative; z-index: 1; margin: 8px 0 0; color: #3c5943; font-size: 12px; font-weight: 600; line-height: 1.42; }
.ladder-link { position: relative; z-index: 1; display: flex; gap: 6px; align-items: center; margin-top: auto; padding-top: 9px; color: var(--stage-color); font-size: 12px; font-weight: 800; }
.ladder-axis { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 11px 19px; border-top: 1px solid #d8dfc5; background: #fffef7; color: var(--green-deep); font-size: 12px; font-weight: 800; }
.ladder-axis span { display: inline-flex; gap: 6px; align-items: center; }
.ladder-axis span:nth-child(2) { flex: 1; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .06em; text-align: center; text-transform: uppercase; }
.ladder-axis span:nth-child(2)::before, .ladder-axis span:nth-child(2)::after { height: 1px; flex: 1; background: #c8d9c7; content: ""; }

.method-section { padding: 54px 0; background: linear-gradient(125deg, #075522, #15782e); color: white; }
.learning-flow { display: grid; grid-template-columns: 1fr 45px 1fr 45px 1fr; align-items: stretch; overflow: hidden; border: 1px solid rgba(255, 255, 255, .24); border-radius: 22px; }
.learning-flow article { display: flex; gap: 16px; padding: 24px; background: white; color: var(--green-ink); }
.learning-flow article > div { min-width: 0; }
.learning-flow small { color: var(--orange-dark); font-weight: 800; }
.learning-flow h3 { margin-top: 2px; font-size: 25px; }
.learning-flow p { margin-top: 7px; color: var(--muted); font-size: 14px; }
.learning-flow strong { color: var(--green-dark); font-size: 13px; }
.flow-icon { display: grid; width: 49px; height: 49px; flex: 0 0 49px; place-items: center; border-radius: 15px; background: var(--green-dark); color: white; }
.flow-icon.orange { background: var(--orange); color: #4b2c00; }
.flow-icon.blue { background: #1b9fbe; }
.flow-arrow { display: grid; place-items: center; background: #eaf3dc; color: var(--green-dark); }

/* Opening schedule — Bamboo adaptation of MXiao's filterable class board. */
.schedule-home { padding: 0 0 54px; background: #fff8df; }
.schedule-home-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 20px; align-items: center; padding: 26px 30px; border-radius: 25px; background: linear-gradient(120deg, #086125 0%, #0a8e2c 62%, #13a63b 100%); color: white; box-shadow: var(--shadow); }
.schedule-home-icon { display: grid; width: 62px; height: 62px; place-items: center; border-radius: 19px; background: var(--orange); color: #4b2b00; transform: rotate(-4deg); }
.schedule-home-card .eyebrow { margin: 0 0 3px; color: #ffd990; }
.schedule-home-card h2 { color: white; font-size: clamp(28px, 3vw, 43px); }
.schedule-home-card p:last-child { margin: 4px 0 0; color: rgba(255,255,255,.86); }
.schedule-home-card .button { white-space: nowrap; }

.schedule-section { background: linear-gradient(180deg, #fffdf4 0%, #f1f9eb 100%); }
.schedule-intro { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 44px; align-items: end; margin-bottom: 28px; }
.schedule-intro h2 { font-size: clamp(37px, 4.3vw, 58px); }
.schedule-intro-note { display: flex; gap: 15px; align-items: flex-start; padding: 20px; border: 1px solid #cfe2c8; border-radius: 20px; background: rgba(255,255,255,.8); box-shadow: var(--shadow-soft); }
.schedule-intro-note > span { display: grid; width: 45px; height: 45px; flex: 0 0 45px; place-items: center; border-radius: 14px; background: var(--green-soft); color: var(--green-dark); }
.schedule-intro-note p { margin: 0; color: var(--muted); font-size: 16px; font-weight: 600; }
.schedule-board { display: grid; gap: 16px; }
.schedule-filters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)) auto; gap: 13px; align-items: end; padding: 20px; border: 1px solid #d7e3d4; border-radius: 23px; background: white; box-shadow: var(--shadow-soft); }
.schedule-filters label { display: grid; gap: 7px; min-width: 0; }
.schedule-filters label > span { color: #4a6550; font-size: 13px; font-weight: 700; }
.schedule-control { display: flex; gap: 9px; align-items: center; min-height: 50px; padding: 0 14px; border: 1px solid #cbdac8; border-radius: 14px; background: #fbfef9; color: #6a806e; }
.schedule-control input, .schedule-control select { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--green-ink); font: inherit; font-size: 14px; font-weight: 600; }
.schedule-reset { min-height: 50px; white-space: nowrap; }
.schedule-content { min-height: 250px; }
.schedule-loading, .schedule-empty { display: grid; min-height: 250px; place-items: center; align-content: center; padding: 38px 24px; border: 1px solid #d7e3d4; border-radius: 23px; background: white; text-align: center; box-shadow: var(--shadow-soft); }
.schedule-loading span, .schedule-empty > span { display: grid; width: 58px; height: 58px; margin-bottom: 13px; place-items: center; border-radius: 18px; background: var(--green-soft); color: var(--green-dark); }
.schedule-loading strong { color: var(--green-deep); }
.schedule-empty h3 { margin: 0; color: var(--green-deep); font-size: 28px; }
.schedule-empty p { max-width: 650px; margin: 10px auto 18px; color: var(--muted); }
.schedule-table-wrap { overflow-x: auto; border: 1px solid #d7e3d4; border-radius: 23px; background: white; box-shadow: var(--shadow-soft); }
.schedule-table { width: 100%; min-width: 1120px; border-collapse: separate; border-spacing: 0; }
.schedule-table th { padding: 15px 14px; background: linear-gradient(120deg, #075522, #0b7730); color: white; font-size: 13px; font-weight: 800; text-align: left; white-space: nowrap; }
.schedule-table th:first-child { border-radius: 22px 0 0; }
.schedule-table th:last-child { border-radius: 0 22px 0 0; }
.schedule-table td { padding: 18px 14px; border-top: 1px solid #e0e8dd; color: #35533d; font-size: 14px; vertical-align: top; }
.schedule-table tbody tr:first-child td { border-top: 0; }
.schedule-table tbody tr:hover td { background: #fbfff7; }
.schedule-table td strong { display: block; color: var(--green-ink); font-weight: 800; }
.schedule-table td > span:not(.schedule-status) { display: block; margin-top: 4px; color: #6a7d6f; font-size: 12px; font-weight: 600; }
.schedule-table .schedule-days { color: var(--green-dark); white-space: nowrap; }
.schedule-status { display: inline-flex; padding: 6px 10px; border-radius: 999px; font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.schedule-status.available { background: #e2f6e4; color: #087322; }
.schedule-status.nearly-full { background: #fff0d1; color: #9a5700; }
.schedule-status.full { background: #ffe1dd; color: #a92614; }
.schedule-register { display: inline-flex; min-height: 38px; align-items: center; justify-content: center; padding: 8px 13px; border-radius: 11px; background: var(--green-dark); color: white; font-weight: 800; white-space: nowrap; }
.schedule-register:hover { color: white; background: var(--green); }
.schedule-count { margin: 0; color: var(--muted); font-size: 14px; font-weight: 700; }
.schedule-faq { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.schedule-faq details { padding: 21px; border: 1px solid #d4dfce; border-radius: 20px; background: white; box-shadow: var(--shadow-soft); }
.schedule-faq summary { cursor: pointer; color: var(--green-deep); font-size: 18px; font-weight: 800; }
.schedule-faq details p { margin: 12px 0 0; color: var(--muted); font-size: 15px; }
.form-interest { display: flex; gap: 9px; align-items: center; margin-bottom: 18px; padding: 12px 14px; border: 1px solid #b9d8b4; border-radius: 14px; background: #edf8e6; color: var(--green-deep); font-size: 14px; font-weight: 600; }
.form-interest i { color: var(--green-dark); }

.finder-section { background: linear-gradient(140deg, #f4f7ed, #eaf7f2); }
.finder { grid-template-columns: .88fr 1.12fr; gap: 28px; }
.finder-panel { top: 92px; border: 2px solid var(--green-dark); background: white; }
.finder-story { gap: 14px; }
.finder-scene { min-height: 290px; border: 7px solid white; border-radius: 24px; }
.finder-steps { gap: 10px; }
.mini-step { min-height: 118px; padding: 15px; }
.choice { background: #f8fbf4; font-size: 16px; }

.teacher-section { padding: 62px 0; background: linear-gradient(145deg, var(--cream), #f2f8dd); }
.teacher-strip { display: grid; grid-template-columns: repeat(6, minmax(200px, 1fr)); gap: 14px; overflow-x: auto; padding: 2px 2px 18px; scroll-snap-type: x mandatory; }
.teacher-card { display: grid; overflow: hidden; border: 1px solid var(--border); border-radius: 21px; background: white; box-shadow: 0 8px 20px rgba(18, 65, 27, .08); transition: transform .18s ease, box-shadow .18s ease; }
.teacher-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.teacher-card.compact { min-width: 200px; scroll-snap-align: start; }
.teacher-photo { position: relative; overflow: hidden; min-height: 230px; background: var(--green-soft); }
.teacher-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform .3s ease; }
.teacher-card:hover .teacher-photo img { transform: scale(1.035); }
.teacher-photo > span { position: absolute; right: 12px; bottom: 12px; display: grid; width: 38px; height: 38px; place-items: center; border-radius: 50%; background: var(--orange); color: #3d2500; }
.teacher-copy { padding: 17px; }
.teacher-copy > p:first-child { margin: 0 0 4px; color: var(--green-dark); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.teacher-copy h3 { min-height: 45px; font-size: 20px; }
.teacher-badges { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.teacher-badges span { padding: 5px 8px; border-radius: 99px; background: #edf7e5; color: var(--green-deep); font-size: 10px; font-weight: 800; }
.teacher-experience { margin-top: 13px; color: var(--muted); font-size: 14px; }
.teacher-more { display: flex; align-items: center; gap: 6px; margin-top: 12px; color: var(--green-dark); font-size: 13px; font-weight: 800; }
.section-action { display: flex; justify-content: center; margin-top: 24px; }
.teacher-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.teacher-grid .teacher-photo { min-height: 285px; }
.teacher-profile { display: grid; grid-template-columns: minmax(300px, .75fr) minmax(0, 1.25fr); gap: 48px; align-items: center; }
.teacher-profile-photo { overflow: hidden; border: 10px solid white; border-radius: 28px; background: var(--green-soft); box-shadow: var(--shadow); }
.teacher-profile-photo img { width: 100%; max-height: 600px; object-fit: cover; object-position: center top; }
.teacher-profile-copy h2 { font-size: clamp(30px, 3.4vw, 46px); }
.teacher-badges.large span { padding: 8px 11px; font-size: 12px; }
.teacher-profile-copy h3 { margin-top: 25px; font-size: 22px; }
.strength-list { display: flex; flex-wrap: wrap; gap: 9px; margin: 14px 0 25px; padding: 0; list-style: none; }
.strength-list li { display: flex; align-items: center; gap: 7px; padding: 9px 12px; border-radius: 10px; background: var(--green-soft); color: var(--green-deep); font-size: 14px; font-weight: 700; }

.value-strip { background: linear-gradient(90deg, var(--green-soft), #e9f4cf); }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.value-grid > div { display: flex; gap: 12px; align-items: center; padding: 22px 25px; border-left: 1px solid rgba(0, 107, 11, .18); }
.value-grid > div:first-child { border-left: 0; }
.value-grid i { color: var(--green-dark); }
.value-grid span { color: var(--muted); font-size: 13px; }
.value-grid strong { display: block; color: var(--green-ink); font-size: 16px; }

.cta-banner { padding: 48px; border-radius: 24px; background: linear-gradient(125deg, #063e1a, #176b2c); }
.cta-banner::after { display: none; }
.cta-banner p { color: rgba(255, 255, 255, .88); }

.page-hero { padding: 62px 0; background: linear-gradient(125deg, var(--sky), #eef7dc); }
.page-hero-art { background: var(--green-dark); color: white; }
.course-hero { background: linear-gradient(125deg, var(--sky), #fff0cd); }
.course-hero-grid { min-height: 500px; }
.course-image-frame.book-frame { display: grid; height: 465px; place-items: center; border: 0; background: var(--cream); }
.course-image-frame.book-frame img { width: auto; height: 90%; object-fit: contain; filter: drop-shadow(0 18px 16px rgba(20, 51, 28, .2)); }
.lesson-grid > .lesson-card { position: static; right: auto; bottom: auto; width: auto; background: linear-gradient(145deg, #08751b, #075522); }
.lesson-grid > .lesson-card p { color: rgba(255,255,255,.9); font-weight: 600; }
.price-callout { background: var(--green-deep); }
.price-callout .price-discount { color: #ffd17c; font-size: 22px; }
.price-callout del { font-size: 18px; }
.section.tint { background: #edf7e5; }
.section.soft { background: var(--sky); }

/* Course detail pages — Bamboo adaptation of MXiao's course information rhythm */
.course-detail { --course-accent: #20ad88; background: #fffefb; }
.course-detail.level-2 { --course-accent: #7760d7; }
.course-detail.level-3 { --course-accent: #16aebd; }
.course-detail.level-4 { --course-accent: #f29324; }
.course-detail.level-5 { --course-accent: #d91545; }
.course-detail.level-6 { --course-accent: #1499c3; }
.course-detail-hero { position: relative; overflow: hidden; border-bottom: 1px solid color-mix(in srgb, var(--course-accent) 20%, white); background: radial-gradient(circle at 78% 28%, color-mix(in srgb, var(--course-accent) 15%, transparent), transparent 27%), linear-gradient(120deg, #fff9ea 0%, #f6fff7 52%, #def8f3 100%); }
.course-detail-hero::before, .course-detail-hero::after { position: absolute; border: 1px solid color-mix(in srgb, var(--course-accent) 28%, white); border-radius: 50%; content: ""; }
.course-detail-hero::before { right: 8%; bottom: -120px; width: 330px; height: 330px; }
.course-detail-hero::after { right: 28%; bottom: 26px; width: 110px; height: 110px; }
.course-detail-hero .breadcrumb { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding-top: 22px; color: #496150; font-size: 14px; font-weight: 600; }
.course-detail-hero .breadcrumb a:hover { color: var(--green-dark); }
.course-detail-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; gap: 54px; align-items: center; min-height: 440px; padding: 26px 0 44px; }
.course-detail-hero-copy h1 { color: var(--green-ink); font-size: clamp(48px, 5.3vw, 72px); }
.course-detail-hero-copy .lede { max-width: 720px; margin-top: 18px; color: #294b34; font-size: 20px; }
.course-detail-hero-copy .eyebrow { color: var(--course-accent); }
.course-book-visual { position: relative; display: grid; height: 370px; place-items: center; }
.course-book-visual::before { position: absolute; inset: 48px 40px 22px; border: 1px solid rgba(255,255,255,.85); border-radius: 50%; background: rgba(255,255,255,.5); box-shadow: 0 25px 70px color-mix(in srgb, var(--course-accent) 24%, transparent); content: ""; backdrop-filter: blur(4px); }
.course-book-visual img { position: relative; z-index: 1; width: auto; height: 340px; object-fit: contain; filter: drop-shadow(0 22px 16px rgba(20, 51, 28, .23)); animation: bookFloat 4.5s ease-in-out infinite; }
.book-standard, .book-level { position: absolute; z-index: 2; padding: 8px 13px; border: 2px solid white; border-radius: 999px; background: var(--course-accent); color: white; box-shadow: var(--shadow-soft); font-size: 12px; font-weight: 800; letter-spacing: .04em; }
.book-standard { top: 18px; right: 10px; }
.book-level { bottom: 44px; left: 16px; background: white; color: var(--course-accent); }
.course-overview { padding: 54px 0 64px; background: linear-gradient(180deg, #fffefb, #f7fbf5); }
.course-section-title { max-width: 900px; margin-bottom: 26px; padding-left: 16px; border-left: 5px solid var(--course-accent); }
.course-section-title .eyebrow { margin-bottom: 4px; color: var(--course-accent); }
.course-section-title h2 { font-size: clamp(35px, 3.8vw, 52px); }
.course-section-title > p:last-child { max-width: 790px; margin: 8px 0 0; color: var(--muted); font-size: 17px; font-weight: 600; }
.course-detail-layout { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(310px, .85fr); gap: 18px; align-items: start; }
.course-main-column, .course-side-column { display: grid; gap: 16px; }
.course-side-column { position: sticky; top: 104px; }
.course-panel { overflow: hidden; padding: 22px; border: 1px solid color-mix(in srgb, var(--course-accent) 18%, #dfe8df); border-radius: 24px; background: white; box-shadow: 0 8px 24px rgba(15, 62, 27, .06); }
.course-panel h3 { font-size: 25px; }
.course-info-panel { background: linear-gradient(145deg, #ffffff, color-mix(in srgb, var(--course-accent) 8%, white)); }
.course-stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 18px; }
.course-stat-grid > div { position: relative; min-height: 108px; padding: 15px 14px 14px 49px; border: 1px solid rgba(27, 78, 39, .09); border-radius: 17px; background: rgba(255,255,255,.86); }
.course-stat-icon { position: absolute; top: 15px; left: 14px; display: grid; width: 28px; height: 28px; place-items: center; border-radius: 9px; background: color-mix(in srgb, var(--course-accent) 14%, white); color: var(--course-accent); }
.course-stat-grid small { display: block; color: var(--course-accent); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.course-stat-grid strong { display: block; margin-top: 4px; color: var(--green-ink); font-size: 16px; line-height: 1.32; }
.course-skills { margin-top: 16px; }
.course-skills > p { margin: 0 0 9px; color: var(--course-accent); font-size: 12px; font-weight: 800; letter-spacing: .06em; }
.course-skills > div { display: flex; flex-wrap: wrap; gap: 8px; }
.course-skills span { display: inline-flex; gap: 7px; align-items: center; padding: 8px 12px; border: 1px solid color-mix(in srgb, var(--course-accent) 24%, white); border-radius: 999px; background: white; color: var(--green-ink); font-size: 14px; font-weight: 700; }
.course-skills i { color: var(--course-accent); }
.course-highlights h3 { margin-bottom: 15px; }
.highlight-list { display: grid; gap: 8px; }
.highlight-list > div { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 13px; background: #f7f9f6; color: #2f4935; font-size: 15px; font-weight: 600; }
.highlight-list i { margin-top: 4px; color: var(--course-accent); }
.course-price-card { padding: 25px; border-radius: 24px; background: linear-gradient(145deg, var(--green-deep), #0c7b28); color: white; box-shadow: 0 18px 36px rgba(7, 85, 34, .2); }
.course-price-card > p { margin: 0 0 10px; color: #e7ffdd; font-size: 13px; font-weight: 800; letter-spacing: .13em; }
.course-price-card del { display: block; color: rgba(255,255,255,.72); font-size: 18px; }
.course-price-card > strong { display: block; margin: 1px 0 18px; color: #ffd582; font-size: clamp(32px, 3.3vw, 44px); line-height: 1; }
.course-price-card .button { color: var(--green-deep); }
.course-price-card .course-countdown { width: max-content; margin: -6px 0 18px; padding: 7px 10px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; background: rgba(255,255,255,.1); color: white; font-size: 12px; }
.course-price-card:not(.is-active) > strong { margin-bottom: 18px; color: #fff; }
.course-price-mobile { display: none; }
.course-gifts .eyebrow { margin-bottom: 4px; color: var(--course-accent); }
.course-gifts h3 { margin-bottom: 14px; }
.gift-list { display: grid; gap: 10px; }
.gift-list > div { display: flex; gap: 9px; align-items: flex-start; padding: 11px 12px; border: 1px solid rgba(19, 70, 28, .08); border-radius: 13px; background: #fbfcfa; font-size: 14px; font-weight: 600; }
.gift-list i { margin-top: 4px; color: var(--course-accent); }
.course-commitment { display: flex; gap: 13px; align-items: flex-start; background: color-mix(in srgb, var(--course-accent) 7%, white); }
.commitment-icon { display: grid; width: 48px; height: 48px; flex: 0 0 48px; place-items: center; border-radius: 15px; background: var(--course-accent); color: white; }
.course-commitment h3 { font-size: 20px; }
.course-commitment p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.course-panel-heading { display: flex; gap: 20px; align-items: end; justify-content: space-between; margin-bottom: 17px; }
.course-panel-heading .eyebrow { margin-bottom: 3px; color: var(--course-accent); }
.course-panel-heading > span { flex: 0 0 auto; padding: 7px 10px; border-radius: 999px; background: color-mix(in srgb, var(--course-accent) 11%, white); color: var(--course-accent); font-size: 11px; font-weight: 800; letter-spacing: .06em; }
.course-curriculum .curriculum-list { grid-template-columns: 1fr; gap: 8px; }
.course-curriculum .session { grid-template-columns: 74px minmax(0, 1fr); min-height: 60px; padding: 10px 12px; border: 0; border-radius: 13px; background: #f7f8f7; box-shadow: none; }
.course-curriculum .session-number { display: inline-flex; width: auto; height: 34px; justify-content: center; border: 1px solid color-mix(in srgb, var(--course-accent) 25%, white); border-radius: 999px; background: white; color: var(--course-accent); box-shadow: none; font-size: 11px; }
.course-curriculum .session-title { display: flex; gap: 5px; align-items: baseline; flex-wrap: wrap; }
.course-curriculum .session-title span { display: inline; color: var(--green-ink); font-size: 15px; }
.course-curriculum .session-title strong { display: inline; margin: 0; color: #3b5241; font-size: 14px; font-weight: 600; }
.course-curriculum .session-title strong::before { color: #91a295; content: "— "; }
.course-method { padding: 58px 0; border-top: 1px solid #dbe9df; border-bottom: 1px solid #dbe9df; background: linear-gradient(120deg, #edf9f5, #fff7df); }
.course-method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.course-method h2 { font-size: clamp(36px, 4vw, 54px); }
.course-method .lede { margin-top: 13px; }
.method-chip-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.method-chip-grid > div { display: flex; gap: 12px; align-items: center; min-height: 96px; padding: 17px; border: 1px solid color-mix(in srgb, var(--course-accent) 20%, white); border-radius: 19px; background: rgba(255,255,255,.88); }
.method-chip-grid i { color: var(--course-accent); }
.method-chip-grid span { color: var(--muted); font-size: 13px; }
.method-chip-grid strong { display: block; color: var(--green-ink); font-size: 17px; }
.course-faq-section { background: white; }
.course-faq-list { display: grid; gap: 10px; max-width: 980px; }
.course-faq-list details { overflow: hidden; border: 1px solid #dce7db; border-radius: 17px; background: #fbfcfa; }
.course-faq-list summary { position: relative; padding: 18px 58px 18px 19px; cursor: pointer; list-style: none; color: var(--green-ink); font-size: 17px; font-weight: 800; }
.course-faq-list summary::-webkit-details-marker { display: none; }
.course-faq-list summary::after { position: absolute; top: 50%; right: 19px; color: var(--course-accent); font-size: 22px; content: "+"; transform: translateY(-50%); }
.course-faq-list details[open] summary::after { content: "−"; }
.course-faq-list details p { padding: 0 19px 18px; color: var(--muted); }
.course-teachers { padding: 58px 0; background: linear-gradient(145deg, #fff8e1, #f3faea); }
.course-teachers .teacher-strip { grid-template-columns: repeat(3, 1fr); }
.course-lead { background: linear-gradient(120deg, #f3fbf7, #fff8e6); }
.course-lead-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 24px; align-items: start; }
.course-lead-copy { padding: 28px; border-radius: 24px; background: linear-gradient(145deg, var(--green-deep), #14752e); color: white; }
.course-lead-copy > span { display: grid; width: 52px; height: 52px; place-items: center; border-radius: 16px; background: var(--orange); color: #472900; }
.course-lead-copy h3 { margin-top: 24px; font-size: 30px; }
.course-lead-copy > p { margin-top: 12px; color: rgba(255,255,255,.86); }
.course-lead-copy .course-nav { margin-top: 26px; }
.course-lead-copy .course-nav-card { border-color: rgba(255,255,255,.17); background: rgba(255,255,255,.09); color: white; }
.course-lead-copy .course-nav-card small, .course-lead-copy .course-nav-card strong { color: white; }
.course-lead .form-card { box-shadow: 0 14px 38px rgba(17, 65, 29, .1); }
.course-floating-actions { position: fixed; top: 42%; right: 0; z-index: 35; display: grid; gap: 8px; }
.course-floating-actions a { display: grid; width: 52px; min-height: 116px; place-items: center; padding: 11px 7px; border-radius: 18px 0 0 18px; background: var(--green-deep); color: white; box-shadow: 0 10px 26px rgba(9, 62, 27, .18); }
.course-floating-actions a + a { background: #1da1a9; }
.course-floating-actions span { font-size: 10px; font-weight: 800; letter-spacing: .08em; text-orientation: mixed; writing-mode: vertical-rl; }

/* Contact page — image-led, compact and human. */
.contact-hero { overflow: hidden; padding: 18px 0 42px; background: linear-gradient(120deg, #e9fbf8 0%, #f3f9df 100%); }
.contact-hero .breadcrumb { margin-bottom: 18px; }
.contact-hero-grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(520px, 1.18fr); gap: 38px; align-items: center; }
.contact-hero-copy h1 { max-width: 680px; font-size: clamp(48px, 5.6vw, 76px); line-height: .98; }
.contact-hero-copy > p:not(.eyebrow) { max-width: 580px; margin-top: 20px; color: var(--muted); font-size: 20px; }
.contact-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.contact-hero-photo { position: relative; overflow: hidden; height: 390px; border: 8px solid white; border-radius: 34px; box-shadow: 0 18px 48px rgba(17, 72, 38, .14); }
.contact-hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 64% center; }
.contact-hero-photo > div { position: absolute; right: 20px; bottom: 20px; display: grid; gap: 2px; max-width: 300px; padding: 15px 18px; border-radius: 18px; background: rgba(255,255,255,.92); box-shadow: 0 10px 24px rgba(0,0,0,.12); backdrop-filter: blur(9px); }
.contact-hero-photo strong { color: var(--green-dark); font-size: 19px; }
.contact-hero-photo span { color: var(--muted); font-size: 14px; }
.contact-main-section { padding: 38px 0 42px; background: linear-gradient(145deg, #fffef8 0%, #f5fbef 52%, #eafafa 100%); }
.contact-main-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 28px; align-items: start; }
.contact-channel-column { display: grid; gap: 13px; }
.contact-channel-heading { padding: 0 2px 7px; }
.contact-channel-heading h2 { font-size: clamp(31px, 3.2vw, 42px); line-height: 1.06; }
.contact-channel-list { display: grid; grid-template-columns: 1fr; gap: 9px; }
.contact-channel-card { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 12px; align-items: center; min-height: 78px; padding: 13px 14px; border: 1px solid #d7e2d3; border-radius: 18px; background: white; color: var(--green-ink); box-shadow: 0 5px 15px rgba(18, 65, 27, .06); transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
a.contact-channel-card:hover { border-color: var(--green); box-shadow: 0 12px 28px rgba(18, 65, 27, .12); transform: translateY(-2px); }
.contact-channel-icon { display: grid; width: 46px; height: 46px; place-items: center; border-radius: 50%; background: linear-gradient(135deg, var(--green), var(--green-dark)); color: white; }
.contact-channel-card small { display: block; margin-bottom: 3px; color: var(--green-dark); font-size: 12px; font-weight: 800; letter-spacing: .11em; }
.contact-channel-card strong { display: block; font-size: 15px; line-height: 1.28; }
.contact-consultation-form { padding: 24px; border-radius: 24px; box-shadow: 0 16px 40px rgba(18, 65, 27, .11); }
.contact-consultation-form > h3 { margin-bottom: 5px; font-size: 27px; }
.contact-consultation-form > h3 + p { margin-bottom: 17px; color: var(--muted); }
.contact-consultation-form .form-section-title { color: var(--orange-dark); }
.contact-consultation-form .contact-learning-title { margin-top: 18px; }
.contact-consultation-form .field input, .contact-consultation-form .field textarea { min-height: 46px; border-radius: 14px; background: white; }
.contact-consultation-form .field textarea { min-height: 86px; }
.contact-consultation-form .button { margin-top: 4px; }
.contact-people-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 20px; align-items: center; margin-top: 24px; padding: 20px 24px; border-radius: 24px; background: linear-gradient(115deg, #0a6522, #13803b); color: white; box-shadow: 0 14px 34px rgba(11, 78, 36, .17); }
.contact-people-photos { display: flex; padding-left: 10px; }
.contact-people-photos img { width: 70px; height: 70px; margin-left: -10px; border: 4px solid white; border-radius: 50%; object-fit: cover; object-position: top center; background: white; }
.contact-people-card .eyebrow { color: #ffd37a; }
.contact-people-card h3 { font-size: 24px; }
.contact-people-card p:last-child { color: rgba(255,255,255,.82); }
.contact-people-card .arrow-link { color: white; white-space: nowrap; }
.contact-channel-column .contact-people-card { grid-template-columns: auto minmax(0, 1fr); gap: 14px 17px; margin-top: 2px; padding: 18px; }
.contact-channel-column .contact-people-card h3 { font-size: 21px; }
.contact-channel-column .contact-people-card .arrow-link { grid-column: 1 / -1; justify-self: start; }
.contact-faq-section { padding: 42px 0 48px; background: linear-gradient(135deg, #fff6e8, #eefafa); }
.contact-faq-grid { display: grid; grid-template-columns: minmax(260px, .82fr) minmax(0, 1.18fr); gap: 42px; align-items: start; }
.contact-faq-grid > div:first-child { position: sticky; top: 112px; }
.contact-faq-grid h2 { font-size: clamp(34px, 3.8vw, 52px); line-height: 1.08; }
.contact-faq-list { display: grid; gap: 13px; }
.contact-faq-list details { overflow: hidden; border: 1px solid #d7e2d3; border-radius: 21px; background: white; box-shadow: var(--shadow-soft); }
.contact-faq-list details[open] { border-color: #b9dfd6; background: #effcf9; }
.contact-faq-list summary { position: relative; padding: 22px 64px 22px 23px; cursor: pointer; list-style: none; color: var(--green-ink); font-size: 18px; font-weight: 800; }
.contact-faq-list summary::-webkit-details-marker { display: none; }
.contact-faq-list summary::after { position: absolute; top: 50%; right: 22px; display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid #cfe0ce; border-radius: 50%; color: var(--green-dark); content: "+"; transform: translateY(-50%); }
.contact-faq-list details[open] summary::after { content: "−"; }
.contact-faq-list details p { margin: 0; padding: 0 23px 23px; color: var(--muted); }

.site-footer { padding-top: 54px; background: #0b4420; }
.footer-brand p, .footer-links a { color: rgba(255,255,255,.82); }

@keyframes bookFloat {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-7px) rotate(1deg); }
}

@keyframes roadFlow {
  to { stroke-dashoffset: -544; }
}

@media (max-width: 1120px) {
  .desktop-nav { display: none; }
  .nav-shell > .button { display: inline-flex; margin-left: auto; }
  .mobile-toggle { display: inline-grid; place-items: center; }
  .mobile-nav { display: none; position: fixed; inset: 87px 0 0; z-index: 49; padding: 18px 0 30px; overflow-y: auto; background: white; }
  body.menu-open .mobile-nav { display: block; }
  .mobile-nav-links { display: grid; gap: 5px; }
  .mobile-nav .nav-item { display: grid; }
  .mobile-nav .nav-link { padding: 11px 12px; }
  .mobile-nav .nav-caret { display: none; }
  .mobile-nav .course-dropdown { position: static; display: grid; padding: 0 0 0 16px; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .mobile-nav .course-dropdown a { padding: 8px 12px; }
  .course-shelf { grid-template-columns: repeat(3, 1fr); }
  .shelf-course:nth-child(3) { border-right: 0; }
  .shelf-course:nth-child(-n+3) { border-bottom: 1px solid #dfd5ad; }
  .teacher-strip { grid-template-columns: repeat(6, 230px); }
  .teacher-grid { grid-template-columns: repeat(3, 1fr); }
  .development-track { grid-template-columns: repeat(3, 1fr); }
  .development-stage:nth-child(3) { border-right: 0; }
  .development-stage:nth-child(-n+3) { border-bottom: 1px solid #e2e9da; }
  .course-detail-layout { grid-template-columns: minmax(0, 1.5fr) minmax(290px, .8fr); }
  .yct-ladder { grid-template-columns: repeat(6, 220px); min-height: 505px; overflow-x: auto; padding-right: 18px; scroll-snap-type: x mandatory; }
  .yct-ladder-slot { scroll-snap-align: start; }
  .yct-ladder-card { height: var(--ladder-tablet-height); }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-visual { height: auto; min-height: 0; order: 2; }
  .course-detail-hero-grid, .course-detail-layout, .course-method-grid, .course-lead-grid { grid-template-columns: 1fr; }
  .course-detail-hero-grid { gap: 14px; padding-bottom: 35px; }
  .course-book-visual { height: 330px; }
  .course-book-visual img { height: 305px; }
  .course-side-column { position: static; grid-template-columns: 1fr 1fr; }
  .course-price-mobile { display: block; }
  .course-side-column .course-price-card { display: none; }
  .course-commitment { grid-column: 2; }
  .course-floating-actions { display: none; }
  .schedule-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .schedule-reset { grid-column: 1 / -1; }
  .schedule-faq { grid-template-columns: 1fr; }
}

@media (max-width: 800px) {
  .floating-contact-rail { top: auto; right: 12px; bottom: 12px; left: 12px; display: block; }
  .floating-contact-primary, .floating-contact-channels { display: flex; gap: 7px; justify-content: center; }
  .floating-contact-primary { display: none; }
  .floating-contact-channels { padding: 7px; border: 1px solid rgba(255,255,255,.35); border-radius: 18px; background: rgba(255,255,255,.92); box-shadow: 0 12px 35px rgba(10, 65, 31, .2); backdrop-filter: blur(12px); }
  .floating-contact-channel { display: flex; width: auto; height: 43px; flex: 1; gap: 7px; justify-content: center; border-radius: 12px; box-shadow: none; }
  .floating-contact-channel > span { position: static; visibility: visible; padding: 0; background: transparent; color: var(--green-ink); font-size: 10px; opacity: 1; transform: none; }
  .floating-contact-channel:hover { width: auto; transform: none; }
  .floating-contact-channel:hover > span { transform: none; }
  .floating-contact-channel.zalo strong { width: 28px; height: 28px; font-size: 9px; }
  .floating-promotion { right: 12px; bottom: 76px; left: 12px; width: max-content; max-width: calc(100vw - 24px); margin-left: auto; }
  .nav-shell > .button { display: none; }
  .section { padding: 48px 0; }
  .section.compact { padding: 38px 0; }
  .hero { padding: 34px 0 30px; }
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-visual { height: auto; min-height: 0; order: 2; }
  .hero-bottom { grid-template-columns: 1fr; gap: 0; margin-top: 22px; }
  .hero-benefits { grid-template-columns: repeat(2, 1fr); gap: 12px 0; }
  .hero-benefits > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .hero-note { padding: 12px 0 14px; border-top: 1px solid rgba(0, 107, 11, .14); white-space: normal; }
  .split-heading { grid-template-columns: 1fr; gap: 14px; }
  .schedule-home-card { grid-template-columns: auto 1fr; padding: 22px; }
  .schedule-home-card .button { grid-column: 2; justify-self: start; }
  .schedule-intro { grid-template-columns: 1fr; gap: 17px; }
  .course-shelf { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
  .shelf-course { min-width: 235px; border-bottom: 0 !important; border-right: 1px solid #dfd5ad !important; scroll-snap-align: start; }
  .shelf-course:last-child { border-right: 0 !important; }
  .journey-phases { display: none; }
  .development-track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
  .development-stage { min-width: 245px; border-right: 1px solid #e2e9da !important; border-bottom: 0 !important; scroll-snap-align: start; }
  .development-stage:last-child { border-right: 0 !important; }
  .journey-outcome { grid-template-columns: 42px 1fr; }
  .journey-outcome .arrow-link { grid-column: 2; justify-self: start; }
  .learning-flow { grid-template-columns: 1fr; }
  .learning-flow article { padding: 20px; }
  .flow-arrow { min-height: 35px; transform: rotate(90deg); }
  .finder { grid-template-columns: 1fr; }
  .contact-hero { padding-bottom: 34px; }
  .contact-hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .contact-hero-photo { height: 360px; }
  .contact-main-grid, .contact-faq-grid { grid-template-columns: 1fr; }
  .contact-faq-grid { gap: 25px; }
  .contact-faq-grid > div:first-child { position: static; }
  .teacher-grid { grid-template-columns: repeat(2, 1fr); }
  .teacher-profile { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid > div:nth-child(3) { border-left: 0; border-top: 1px solid rgba(0, 107, 11, .18); }
  .value-grid > div:nth-child(4) { border-top: 1px solid rgba(0, 107, 11, .18); }
  .course-image-frame.book-frame { height: 390px; }
  .course-detail-hero .breadcrumb { padding-top: 16px; }
  .course-detail-hero-grid { min-height: auto; }
  .course-detail-hero-copy .lede { font-size: 18px; }
  .course-overview { padding: 42px 0 48px; }
  .course-method { padding: 48px 0; }
  .course-teachers { padding: 48px 0; }
}

@media (min-width: 621px) and (max-width: 900px) {
  .roadmap { width: 980px; min-height: 460px; }
  .road-stage-card { width: 142px; padding: 11px 12px; }
  .road-stage-card h3 { font-size: 16px; }
  .road-stage-card > p:last-child { display: none; }
}

@media (max-width: 620px) {
  .roadmap-scroll { padding-bottom: 5px; }
  .roadmap { width: 920px; min-height: 420px; }
  .road-label { font-size: 12px; }
  .road-stage-card { width: 136px; padding: 10px 11px; }
  .road-stage-card h3 { font-size: 16px; }
  .road-stage-card > p:last-child { display: none; }
  .yct-ladder { grid-template-columns: repeat(6, 76vw); min-height: 455px; gap: 9px; padding: 18px 12px 0; }
  .yct-ladder-card { height: var(--ladder-mobile-height); }
  .ladder-axis { padding: 10px 13px; }
  .ladder-axis span:nth-child(2) { display: none; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  h1 { font-size: 48px; }
  h2 { font-size: 35px; }
  .site-header .brand-logo { width: 104px; }
  .hero-visual { height: auto; min-height: 0; border-width: 5px; border-radius: 20px 8px 20px 8px; box-shadow: 10px 10px 0 rgba(255, 153, 0, .20), var(--shadow-soft); }
  .hero-visual > img { object-position: center; }
  .hero-benefits { grid-template-columns: 1fr 1fr; }
  .hero-benefits > div { padding: 0 8px; }
  .hero-benefits strong { font-size: 12px; }
  .schedule-home-card { grid-template-columns: 1fr; }
  .schedule-home-icon { width: 54px; height: 54px; }
  .schedule-home-card .button { grid-column: auto; }
  .schedule-filters { grid-template-columns: 1fr; padding: 16px; }
  .contact-hero { padding: 12px 0 26px; }
  .contact-hero .breadcrumb { margin-bottom: 13px; }
  .contact-hero-grid { gap: 20px; }
  .contact-hero-copy h1 { font-size: 43px; line-height: 1; }
  .contact-hero-copy > p:not(.eyebrow) { margin-top: 14px; font-size: 17px; }
  .contact-hero-actions { margin-top: 18px; }
  .contact-hero-photo { height: 250px; border-width: 5px; border-radius: 24px; }
  .contact-hero-photo img { object-position: 68% center; }
  .contact-hero-photo > div { right: 12px; bottom: 12px; padding: 11px 13px; border-radius: 14px; }
  .contact-hero-photo strong { font-size: 16px; }
  .contact-main-section { padding: 28px 0 32px; }
  .contact-channel-heading, .contact-consultation-form { padding: 0; }
  .contact-consultation-form { padding: 21px; }
  .contact-channel-heading h2 { font-size: 31px; }
  .contact-channel-card { grid-template-columns: 48px minmax(0, 1fr); min-height: 78px; padding: 14px 16px; }
  .contact-channel-icon { width: 48px; height: 48px; }
  .contact-channel-card strong { font-size: 16px; }
  .contact-consultation-form .form-grid { grid-template-columns: 1fr; }
  .contact-consultation-form .field.full { grid-column: auto; }
  .contact-people-card, .contact-channel-column .contact-people-card { grid-template-columns: 1fr; gap: 14px; padding: 19px; }
  .contact-people-photos { padding-left: 9px; }
  .contact-people-photos img { width: 64px; height: 64px; }
  .contact-people-card .arrow-link { justify-self: start; }
  .contact-faq-section { padding: 32px 0 38px; }
  .contact-faq-list summary { padding: 19px 58px 19px 18px; font-size: 17px; }
  .contact-faq-list summary::after { right: 17px; }
  .contact-faq-list details p { padding: 0 18px 19px; }
  .schedule-reset { grid-column: auto; }
  .book-stage { height: 200px; }
  .teacher-grid { grid-template-columns: 1fr; }
  .teacher-grid .teacher-photo { min-height: 340px; }
  .teacher-strip { grid-template-columns: repeat(6, 78vw); }
  .value-grid > div { padding: 18px 12px; }
  .cta-banner { padding: 34px 23px; }
  .course-image-frame.book-frame { height: 330px; }
  .course-detail-hero-copy h1 { font-size: 44px; }
  .course-detail-hero-copy .lede { font-size: 17px; }
  .course-book-visual { height: 305px; }
  .course-book-visual img { height: 282px; }
  .course-book-visual::before { inset: 42px 20px 20px; }
  .book-standard { top: 8px; right: 0; }
  .book-level { bottom: 26px; left: 0; }
  .course-section-title { padding-left: 12px; }
  .course-section-title h2 { font-size: 34px; }
  .course-detail-layout { gap: 13px; }
  .course-panel { padding: 17px; border-radius: 19px; }
  .course-stat-grid { grid-template-columns: 1fr; }
  .course-stat-grid > div { min-height: 88px; }
  .course-side-column { grid-template-columns: 1fr; }
  .course-price-card { grid-row: auto; }
  .course-commitment { grid-column: auto; }
  .course-panel-heading { align-items: flex-start; }
  .course-curriculum .session { grid-template-columns: 66px minmax(0, 1fr); padding: 10px; }
  .course-curriculum .session-title { display: block; }
  .course-curriculum .session-title span, .course-curriculum .session-title strong { display: block; }
  .course-curriculum .session-title strong { margin-top: 2px; }
  .course-curriculum .session-title strong::before { content: ""; }
  .method-chip-grid { grid-template-columns: 1fr 1fr; }
  .method-chip-grid > div { align-items: flex-start; min-height: 110px; flex-direction: column; }
  .course-teachers .teacher-strip { grid-template-columns: repeat(3, 78vw); }
  .course-lead-copy { padding: 22px; }
  .course-lead-copy h3 { font-size: 26px; }
  .floating-promotion { right: 10px; bottom: 10px; left: 10px; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px; padding: 9px 10px; border-radius: 17px; }
  .floating-promotion-icon { display: none; }
  .floating-promotion-copy { min-width: 0; }
  .floating-promotion-copy small { display: none; }
  .floating-promotion-copy strong { font-size: 13px; white-space: nowrap; }
  .floating-promo-clock { gap: 3px; }
  .floating-promo-clock .promo-clock-unit { min-width: 34px; padding: 5px 3px 4px; border-radius: 9px; }
  .floating-promo-clock .promo-clock-unit strong { font-size: 14px; }
  .floating-promo-clock .promo-clock-unit small { font-size: 6px; }
  .floating-promotion-arrow { width: 25px; height: 25px; }
}

@media (prefers-reduced-motion: reduce) {
  .book-stage img { animation: none; }
  .road-center { animation: none; }
}