/* =============================================================================
   Landing page13 — "Luxe"
   Nền đen sâu, vàng champagne, hoạ tiết art-deco (quạt, tia nắng, khung viền đôi),
   tiêu đề Playfair Display, thân bài Montserrat. Mọi class dùng tiền tố lx-;
   token màu đặt trên body.lx.
   ============================================================================= */

/* ---------- Token & nền ---------- */
body.lx {
    --lx-bg: #0b0b0c;
    --lx-bg-2: #111113;
    --lx-panel: #17171a;
    --lx-panel-2: #1d1d21;
    --lx-ivory: #f4efe6;
    --lx-ivory-2: #ded6c6;
    --lx-muted: #a7a193;
    --lx-dim: #8a8478;
    --lx-gold: #d8b26e;
    --lx-gold-hi: #f3dfa2;
    --lx-gold-mid: #c99a4a;
    --lx-gold-lo: #8f6a2c;
    --lx-line: rgba(216, 178, 110, .2);
    --lx-line-2: rgba(216, 178, 110, .38);
    --lx-line-soft: rgba(216, 178, 110, .1);
    --lx-foil: linear-gradient(100deg, #8f6a2c 0%, #c99a4a 16%, #f3dfa2 34%, #d8b26e 50%, #f3dfa2 66%, #c99a4a 84%, #8f6a2c 100%);
    --lx-foil-btn: linear-gradient(100deg, #f3dfa2 0%, #e0c07f 30%, #c99a4a 62%, #e6c98a 100%);
    --lx-serif: "Playfair Display", "Times New Roman", Georgia, serif;
    --lx-sans: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --lx-ease: cubic-bezier(.22, .7, .2, 1);
    --lx-wrap: 1200px;
    --lx-gutter: clamp(16px, 4vw, 40px);
    --lx-header-h: 76px;

    margin: 0;
    min-height: 100vh;
    /* lớp đầu: nhiễu hạt rất nhẹ (độ mờ nằm sẵn trong SVG), cuộn theo trang */
    background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 .93 0 0 0 0 .8 0 0 0 .04 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
        radial-gradient(1100px 620px at 78% -8%, rgba(216, 178, 110, .1), transparent 62%),
        radial-gradient(900px 700px at -10% 30%, rgba(216, 178, 110, .045), transparent 60%),
        var(--lx-bg);
    background-repeat: repeat, no-repeat, no-repeat;
    color: var(--lx-ivory);
    font-family: var(--lx-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

body.lx *,
body.lx *::before,
body.lx *::after { box-sizing: border-box; }

/* Playfair mặc định số kiểu cổ (lên xuống dòng) — số liệu dùng số thẳng hàng */
.lx-stat__num,
.lx-float__value,
.lx-float__row,
.lx-card__holder,
.lx-prices #table_prices td { font-variant-numeric: lining-nums; }

.lx ::selection { background: rgba(216, 178, 110, .32); color: #fff; }

.lx-ic {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
}

.lx-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.lx-main,
.lx-footer { position: relative; z-index: 1; }

.lx-main p,
.lx-footer p { margin: 0; }

.lx-wrap {
    width: 100%;
    max-width: calc(var(--lx-wrap) + 2 * var(--lx-gutter));
    margin-inline: auto;
    padding-inline: var(--lx-gutter);
}

.lx-section { position: relative; padding-block: clamp(64px, 8vw, 112px); }
.lx-section[id],
.lx-band[id],
.lx-hero[id] { scroll-margin-top: 90px; }

/* ---------- Chữ ánh kim ---------- */
.lx-foil {
    padding-right: .06em;
    background: var(--lx-foil);
    background-size: 240% 100%;
    background-position: 0 50%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    animation: lx-foil 10s ease-in-out infinite alternate;
}
em.lx-foil { font-style: italic; }
@keyframes lx-foil {
    to { background-position: 100% 50%; }
}

/* ---------- Tiêu đề section ---------- */
.lx-head {
    max-width: 760px;
    margin: 0 auto clamp(44px, 6vw, 72px);
    text-align: center;
}
.lx-head--left { margin: 0; text-align: left; }

/* Số La Mã trong viên kim cương, hai bên là chỉ vàng */
.lx-numeral {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    color: var(--lx-gold);
}
.lx-numeral::before,
.lx-numeral::after {
    content: "";
    width: clamp(36px, 6vw, 72px);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--lx-gold));
}
.lx-numeral::after { background: linear-gradient(270deg, transparent, var(--lx-gold)); }
.lx-head--left .lx-numeral::before { display: none; }
.lx-numeral__gem {
    position: relative;
    display: grid;
    place-items: center;
    width: 50px;
    height: 50px;
    font-family: var(--lx-serif);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: .04em;
    line-height: 1;
}
.lx-numeral__gem::before,
.lx-numeral__gem::after {
    content: "";
    position: absolute;
    inset: 9px;
    border: 1px solid var(--lx-gold);
    transform: rotate(45deg);
}
.lx-numeral__gem::after { inset: 4px; border-color: var(--lx-line-2); }

.lx-eyebrow {
    margin-top: 18px !important;
    color: var(--lx-gold);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: .34em;
    line-height: 1.6;
    text-transform: uppercase;
}

.lx-h2 {
    margin: 14px 0 18px;
    color: var(--lx-ivory);
    font-family: var(--lx-serif);
    font-size: clamp(2rem, 1.3rem + 2.6vw, 3.4rem);
    font-weight: 500;
    line-height: 1.14;
    letter-spacing: -.005em;
    text-wrap: balance;
}

.lx-sub {
    color: var(--lx-muted);
    font-size: clamp(1rem, .96rem + .2vw, 1.0875rem);
    font-weight: 400;
    line-height: 1.75;
    text-wrap: pretty;
}
.lx-head .lx-sub { max-width: 620px; margin-inline: auto; }
.lx-head--left .lx-sub { margin-inline: 0; }

/* ---------- Nút ---------- */
.lx-btn {
    --lx-btn-h: 52px;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: var(--lx-btn-h);
    padding: 0 30px;
    border: 1px solid transparent;
    border-radius: 2px;
    font-family: var(--lx-sans);
    font-size: 12.5px;
    font-style: normal;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: .18em;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: color .35s, background-color .35s, border-color .35s, box-shadow .35s, transform .35s var(--lx-ease);
}
.lx-btn .lx-ic { font-size: 16px; transition: transform .35s var(--lx-ease); }
.lx-btn:hover { text-decoration: none; }
.lx-btn:hover .lx-ic:last-child:not(:first-child) { transform: translateX(4px); }
.lx-btn:focus-visible { outline: 1px solid var(--lx-gold-hi); outline-offset: 4px; }
.lx-btn--sm { --lx-btn-h: 42px; padding: 0 20px; font-size: 11.5px; letter-spacing: .16em; }
.lx-btn--lg { --lx-btn-h: 58px; padding: 0 36px; }

/* Vàng ánh kim + vệt sáng lướt khi rê chuột */
.lx-btn--gold {
    color: #17120a;
    background: var(--lx-foil-btn);
    box-shadow: 0 16px 36px -18px rgba(216, 178, 110, .7), inset 0 1px 0 rgba(255, 255, 255, .45);
}
.lx-btn--gold::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -70%;
    z-index: -1;
    width: 45%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .6), transparent);
    transform: skewX(-22deg);
    transition: left .9s var(--lx-ease);
}
.lx-btn--gold:hover {
    color: #17120a;
    box-shadow: 0 20px 44px -18px rgba(216, 178, 110, .85), inset 0 1px 0 rgba(255, 255, 255, .5);
}
.lx-btn--gold:hover::after { left: 135%; }

.lx-btn--ghost {
    color: var(--lx-gold-hi);
    border-color: var(--lx-line-2);
    background: rgba(11, 11, 12, .35);
}
.lx-btn--ghost:hover {
    color: var(--lx-gold-hi);
    border-color: var(--lx-gold);
    background: rgba(216, 178, 110, .08);
}

/* ---------- Header ---------- */
.lx-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    border-bottom: 1px solid transparent;
    transition: background-color .45s, border-color .45s, box-shadow .45s;
}
.lx-header.is-scrolled,
.lx-header.is-open {
    background: rgba(11, 11, 12, .9);
    border-bottom-color: var(--lx-line);
    box-shadow: 0 18px 40px -28px rgba(0, 0, 0, .9);
    -webkit-backdrop-filter: blur(12px) saturate(120%);
    backdrop-filter: blur(12px) saturate(120%);
}
.lx-header__bar {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: calc(var(--lx-wrap) + 2 * var(--lx-gutter));
    height: var(--lx-header-h);
    margin: 0 auto;
    padding: 0 var(--lx-gutter);
}

.lx-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    color: var(--lx-ivory);
    text-decoration: none;
}
.lx-brand:hover { color: var(--lx-gold-hi); text-decoration: none; }
.lx-brand__gem {
    position: relative;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    color: var(--lx-gold);
    font-family: var(--lx-serif);
    font-size: 17px;
    font-weight: 600;
    line-height: 1;
}
.lx-brand__gem::before,
.lx-brand__gem::after {
    content: "";
    position: absolute;
    border: 1px solid var(--lx-gold);
    transform: rotate(45deg);
}
.lx-brand__gem::before { inset: 6px; }
.lx-brand__gem::after { inset: 2px; border-color: var(--lx-line-2); }
.lx-brand__gem > span { position: relative; top: 1px; }
.lx-brand__name {
    overflow: hidden;
    font-family: var(--lx-serif);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: .01em;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.lx-nav__links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.lx-nav__link {
    position: relative;
    display: block;
    padding: 10px 14px;
    color: var(--lx-muted);
    font-size: 11.5px;
    font-weight: 500;
    letter-spacing: .2em;
    text-transform: uppercase;
    text-decoration: none;
    transition: color .3s;
}
.lx-nav__link::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 1px;
    background: var(--lx-gold);
    transform: scaleX(0);
    transition: transform .4s var(--lx-ease);
}
.lx-nav__link:hover { color: var(--lx-gold-hi); text-decoration: none; }
.lx-nav__link:hover::after { transform: scaleX(1); }
.lx-nav__actions { display: flex; align-items: center; gap: 10px; }

.lx-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 7px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--lx-line-2);
    border-radius: 2px;
    background: transparent;
    cursor: pointer;
}
.lx-burger__line {
    display: block;
    width: 18px;
    height: 1px;
    background: var(--lx-gold-hi);
    transition: transform .35s var(--lx-ease);
}
.lx-header.is-open .lx-burger__line:first-child { transform: translateY(4px) rotate(45deg); }
.lx-header.is-open .lx-burger__line:last-child { transform: translateY(-4px) rotate(-45deg); }

@media (min-width: 1200px) {
    .lx-nav {
        display: flex;
        align-items: center;
        flex: 1;
        gap: 18px;
        min-width: 0;
    }
    .lx-nav__links { margin-inline: auto; }
    .lx-header__quick { display: none; }
}

@media (max-width: 1199.98px) {
    .lx-header { --lx-header-h: 68px; }
    .lx-brand { margin-right: auto; }
    .lx-burger { display: flex; }
    .lx-header__quick { flex-shrink: 0; }
    .lx-brand__name { font-size: 18px; }

    .lx-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        display: flex;
        flex-direction: column;
        gap: 18px;
        padding: 14px var(--lx-gutter) 22px;
        border-top: 1px solid var(--lx-line);
        border-bottom: 1px solid var(--lx-line);
        background: #0d0d0f;
        box-shadow: 0 30px 60px -24px rgba(0, 0, 0, .9);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity .3s var(--lx-ease), transform .3s var(--lx-ease), visibility 0s linear .3s;
    }
    .lx-header.is-open .lx-nav {
        opacity: 1;
        visibility: visible;
        transform: none;
        transition-delay: 0s;
    }
    .lx-nav__links { flex-direction: column; align-items: stretch; gap: 0; }
    .lx-nav__link {
        padding: 15px 2px;
        border-bottom: 1px solid var(--lx-line-soft);
        color: var(--lx-ivory);
        font-family: var(--lx-serif);
        font-size: 21px;
        font-weight: 500;
        letter-spacing: 0;
        text-transform: none;
    }
    .lx-nav__link::after { display: none; }
    .lx-nav__actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .lx-nav__actions .lx-btn { --lx-btn-h: 48px; }
}

@media (max-width: 575.98px) {
    .lx-header__bar { gap: 10px; }
    .lx-brand { gap: 10px; }
    .lx-brand__gem { width: 34px; height: 34px; font-size: 15px; }
    .lx-brand__name { font-size: 17px; }
    .lx-header__quick { padding: 0 14px; letter-spacing: .12em; }
}
@media (max-width: 359.98px) {
    .lx-header__quick { display: none; }
}

/* ---------- Hero ---------- */
.lx-hero {
    position: relative;
    overflow: hidden;
    padding-top: calc(var(--lx-header-h) + clamp(40px, 7vw, 96px));
    padding-bottom: clamp(64px, 8vw, 112px);
}
/* Hai cột chỉ vàng kiểu cột đá art-deco hai bên hero */
.lx-hero::before {
    content: "";
    position: absolute;
    inset: var(--lx-header-h) 0 0;
    z-index: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, transparent calc(50% - 628px - 1px), var(--lx-line-soft) calc(50% - 628px - 1px), var(--lx-line-soft) calc(50% - 628px), transparent calc(50% - 628px)),
        linear-gradient(270deg, transparent calc(50% - 628px - 1px), var(--lx-line-soft) calc(50% - 628px - 1px), var(--lx-line-soft) calc(50% - 628px), transparent calc(50% - 628px));
}
.lx-hero__grid {
    position: relative;
    z-index: 1;
    display: grid;
    gap: clamp(48px, 6vw, 64px);
    align-items: center;
}
@media (min-width: 992px) {
    .lx-hero__grid { grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); }
}

.lx-hero__copy { min-width: 0; }

.lx-hero__title {
    margin: 26px 0 0;
    font-weight: 500;
}
.lx-hero__domain {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    color: var(--lx-gold);
    font-family: var(--lx-sans);
    font-size: clamp(13px, .7rem + .3vw, 15px);
    font-weight: 500;
    letter-spacing: .24em;
    line-height: 1.5;
    text-transform: uppercase;
    word-break: break-all;
}
.lx-hero__domain::before {
    content: "";
    flex-shrink: 0;
    width: 7px;
    height: 7px;
    margin: 0 4px;
    background: var(--lx-gold);
    transform: rotate(45deg);
    box-shadow: 0 0 0 3px var(--lx-bg), 0 0 0 4px var(--lx-line-2);
}
.lx-hero__domain::after {
    content: "";
    flex: 1;
    max-width: 120px;
    min-width: 24px;
    height: 1px;
    background: linear-gradient(90deg, var(--lx-line-2), transparent);
}
.lx-hero__line {
    display: block;
    color: var(--lx-ivory);
    font-family: var(--lx-serif);
    font-size: clamp(2.6rem, 1.2rem + 3.6vw, 4.75rem);
    font-weight: 500;
    line-height: 1.12;
    letter-spacing: -.012em;
    text-wrap: balance;
}
.lx-hero__em { display: block; }

.lx-hero__lead {
    max-width: 540px;
    margin-top: 26px !important;
    color: var(--lx-muted);
    font-size: clamp(1rem, .95rem + .25vw, 1.125rem);
    font-weight: 400;
    line-height: 1.8;
}

.lx-hero__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 38px;
}

.lx-hero__serve {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px 22px;
    margin-top: 44px;
    padding-top: 26px;
    border-top: 1px solid var(--lx-line);
    max-width: 540px;
}
.lx-hero__serve-label {
    color: var(--lx-dim);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .28em;
    text-transform: uppercase;
}
.lx-hero__icons {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.lx-hero__icon {
    position: relative;
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    color: var(--lx-gold);
    font-size: 17px;
    transition: color .3s;
}
.lx-hero__icon:hover { color: var(--lx-gold-hi); }
.lx-hero__icon--more > a {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--lx-line-2);
    border-radius: 50%;
    color: var(--lx-gold-hi);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    text-decoration: none;
    transition: background-color .3s;
}
.lx-hero__icon--more > a:hover { background: rgba(216, 178, 110, .1); text-decoration: none; }

/* ---------- Hero: thẻ hội viên minh hoạ ---------- */
.lx-hero__visual {
    position: relative;
    min-width: 0;
    container-type: inline-size;
}
.lx-stage {
    --lx-u: clamp(10px, 100cqw / 34, 16px);
    position: relative;
    width: 100%;
    max-width: 560px;
    aspect-ratio: 1 / .9;
    margin: 0 auto;
    font-size: var(--lx-u);
    perspective: 1400px;
}
.lx-stage__rays {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 128%;
    height: 128%;
    margin: -64% 0 0 -64%;
    color: var(--lx-gold);
    opacity: .34;
    -webkit-mask-image: radial-gradient(closest-side, #000 30%, transparent 96%);
    mask-image: radial-gradient(closest-side, #000 30%, transparent 96%);
    animation: lx-spin 180s linear infinite;
}
.lx-stage__halo {
    position: absolute;
    inset: 12%;
    border-radius: 50%;
    background: radial-gradient(closest-side, rgba(216, 178, 110, .2), rgba(216, 178, 110, .05) 60%, transparent);
}
@keyframes lx-spin {
    to { transform: rotate(360deg); }
}

/* Bộ thẻ: JS gán --lx-rx / --lx-ry theo con trỏ để nghiêng nhẹ */
.lx-deck {
    position: absolute;
    top: 45%;
    left: 50%;
    width: 72%;
    aspect-ratio: 1.586;
    transform-style: preserve-3d;
    transform: translate(-50%, -50%) rotateX(calc(9deg + var(--lx-ry, 0deg))) rotateY(calc(-13deg + var(--lx-rx, 0deg))) rotateZ(-5deg);
    transition: transform .9s var(--lx-ease);
}

.lx-card {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border: 1px solid transparent;
    border-radius: 1.05em;
    background:
        radial-gradient(120% 90% at 0% 0%, rgba(243, 223, 162, .16), transparent 52%) padding-box,
        repeating-linear-gradient(135deg, rgba(216, 178, 110, .055) 0 1px, transparent 1px 7px) padding-box,
        linear-gradient(152deg, #1f1d21 0%, #0e0e10 58%, #18171a 100%) padding-box,
        linear-gradient(135deg, #f3dfa2, #8f6a2c 35%, #d8b26e 55%, #6b4f20 80%, #f3dfa2) border-box;
    box-shadow: 0 2.6em 4.6em -1.8em rgba(0, 0, 0, .95), 0 0 0 1px rgba(0, 0, 0, .5);
}
.lx-card::before {
    content: "";
    position: absolute;
    inset: .62em;
    border: 1px solid rgba(216, 178, 110, .26);
    border-radius: .62em;
    pointer-events: none;
}

.lx-card--back {
    transform-origin: 18% 100%;
    background:
        repeating-linear-gradient(135deg, rgba(216, 178, 110, .05) 0 1px, transparent 1px 7px) padding-box,
        linear-gradient(152deg, #19181b 0%, #0c0c0e 100%) padding-box,
        linear-gradient(135deg, rgba(243, 223, 162, .7), rgba(143, 106, 44, .6)) border-box;
}
.lx-card--b2 { transform: rotate(-17deg) translate3d(-.4em, -.6em, -60px); filter: brightness(.62); }
.lx-card--b1 { transform: rotate(-8.5deg) translate3d(-.2em, -.3em, -30px); filter: brightness(.8); }
.lx-card--front {
    display: flex;
    flex-direction: column;
    padding: 1.45em 1.6em 1.3em;
    animation: lx-float 9s ease-in-out infinite;
}
@keyframes lx-float {
    50% { transform: translate3d(0, -.45em, 0); }
}

/* Vệt sáng lướt qua mặt thẻ */
.lx-card__sheen {
    position: absolute;
    inset: 0;
    z-index: 3;
    overflow: hidden;
    border-radius: inherit;
    pointer-events: none;
}
.lx-card__sheen::before {
    content: "";
    position: absolute;
    top: -30%;
    bottom: -30%;
    left: 0;
    width: 38%;
    background: linear-gradient(100deg, transparent 0%, rgba(255, 244, 214, .05) 30%, rgba(255, 244, 214, .3) 50%, rgba(255, 244, 214, .05) 70%, transparent 100%);
    transform: translateX(-140%) skewX(-18deg);
    animation: lx-sheen 7.5s cubic-bezier(.45, .05, .25, 1) infinite;
}
@keyframes lx-sheen {
    0%, 18% { transform: translateX(-140%) skewX(-18deg); }
    58%, 100% { transform: translateX(330%) skewX(-18deg); }
}

.lx-card__fan {
    position: absolute;
    right: 1.1em;
    bottom: 0;
    width: 52%;
    height: 27%;
    color: var(--lx-gold);
    opacity: .26;
}

.lx-card__top {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1em;
}
.lx-card__mono {
    position: relative;
    display: grid;
    place-items: center;
    width: 2.5em;
    height: 2.5em;
    color: var(--lx-gold-hi);
    font-family: var(--lx-serif);
    font-size: 1em;
    font-weight: 600;
}
.lx-card__mono::before,
.lx-card__mono::after {
    content: "";
    position: absolute;
    inset: .42em;
    border: 1px solid var(--lx-gold);
    transform: rotate(45deg);
}
.lx-card__mono::after { inset: .14em; border-color: rgba(216, 178, 110, .4); }
.lx-card__mono > span { position: relative; top: .06em; }
.lx-card__label {
    color: var(--lx-gold);
    font-size: .6em;
    font-weight: 600;
    letter-spacing: .34em;
    text-transform: uppercase;
}

.lx-card__chip {
    position: relative;
    z-index: 1;
    display: block;
    width: 2.9em;
    height: 2.15em;
    margin-top: 1.05em;
    border-radius: .4em;
    background: linear-gradient(135deg, #f3dfa2 0%, #c99a4a 45%, #f0d696 70%, #9a7434 100%);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .25);
}
.lx-card__chip > i {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(60, 42, 12, .45);
}
.lx-card__chip > i:nth-child(1) { top: 33%; }
.lx-card__chip > i:nth-child(2) { top: 66%; }
.lx-card__chip > i:nth-child(3) {
    top: 18%;
    bottom: 18%;
    left: 50%;
    right: auto;
    width: 1px;
    height: auto;
}

.lx-card__tier {
    position: relative;
    z-index: 1;
    margin: auto 0 0 !important;
    padding-top: .5em;
    font-family: var(--lx-serif);
    font-size: 1.72em;
    font-style: italic;
    font-weight: 500;
    line-height: 1.15;
    background: var(--lx-foil);
    background-size: 240% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    animation: lx-foil 10s ease-in-out infinite alternate;
}
.lx-card__bottom {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1em;
    margin-top: .55em;
}
.lx-card__holder,
.lx-card__rank { display: flex; flex-direction: column; min-width: 0; }
.lx-card__rank { align-items: flex-end; }
.lx-card__holder > small,
.lx-card__rank > small {
    color: var(--lx-dim);
    font-size: .5em;
    font-weight: 600;
    letter-spacing: .28em;
    line-height: 1.6;
    text-transform: uppercase;
}
.lx-card__holder > b {
    overflow: hidden;
    color: var(--lx-ivory-2);
    font-size: .74em;
    font-weight: 500;
    letter-spacing: .14em;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.lx-card__rank > b {
    color: var(--lx-gold-hi);
    font-family: var(--lx-serif);
    font-size: 1.05em;
    font-weight: 600;
    line-height: 1.2;
}

/* Bảng chỉ số nổi quanh thẻ */
.lx-float {
    position: absolute;
    z-index: 4;
    display: flex;
    flex-direction: column;
    gap: .35em;
    padding: .85em 1.05em;
    border: 1px solid var(--lx-line-2);
    border-radius: 2px;
    background: rgba(17, 17, 19, .93);
    box-shadow: 0 1.6em 3em -1.4em rgba(0, 0, 0, .95);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    animation: lx-bob 8s ease-in-out infinite;
}
/* góc khung chữ L vàng */
.lx-float::before,
.lx-float::after {
    content: "";
    position: absolute;
    width: .6em;
    height: .6em;
    border-color: var(--lx-gold);
    border-style: solid;
}
.lx-float::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.lx-float::after { right: -1px; bottom: -1px; border-width: 0 1px 1px 0; }
@keyframes lx-bob {
    50% { transform: translate3d(0, -.5em, 0); }
}
.lx-float__label {
    color: var(--lx-muted);
    font-size: .62em;
    font-weight: 600;
    letter-spacing: .22em;
    line-height: 1.5;
    text-transform: uppercase;
    white-space: nowrap;
}
.lx-float__value {
    color: var(--lx-ivory);
    font-family: var(--lx-serif);
    font-size: 1.45em;
    font-weight: 600;
    line-height: 1.15;
}
.lx-float__value > small { color: var(--lx-dim); font-size: .6em; font-weight: 500; }

.lx-float--tier { top: 2%; right: 0; animation-delay: -2s; }
.lx-float--price {
    bottom: 17%;
    left: 0;
    flex-direction: row;
    align-items: center;
    gap: .8em;
    animation-delay: -5s;
}
.lx-float--progress {
    bottom: 0;
    right: 5%;
    width: 13.5em;
    gap: .55em;
    animation-delay: -3.5s;
}
.lx-float__ic {
    position: relative;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    width: 2.3em;
    height: 2.3em;
    color: var(--lx-gold-hi);
    font-size: 1em;
}
.lx-float__ic::before {
    content: "";
    position: absolute;
    inset: .32em;
    border: 1px solid var(--lx-gold);
    transform: rotate(45deg);
}
.lx-float__ic .lx-ic { position: relative; font-size: .95em; }
.lx-float__text { display: flex; flex-direction: column; gap: .1em; }
.lx-float__text > b {
    color: var(--lx-ivory);
    font-family: var(--lx-serif);
    font-size: 1.05em;
    font-style: italic;
    font-weight: 500;
    line-height: 1.25;
    white-space: nowrap;
}
.lx-float__row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: .8em;
}
.lx-float__row > b { color: var(--lx-gold-hi); font-size: .82em; font-weight: 600; }
.lx-meter {
    position: relative;
    display: block;
    height: 3px;
    overflow: hidden;
    background: rgba(216, 178, 110, .16);
}
.lx-meter > span {
    position: absolute;
    inset: 0 18% 0 0;
    background: linear-gradient(90deg, var(--lx-gold-lo), var(--lx-gold-hi));
    transform-origin: left;
    animation: lx-meter 6s var(--lx-ease) infinite;
}
@keyframes lx-meter {
    0% { transform: scaleX(.2); }
    45%, 100% { transform: scaleX(1); }
}
.lx-float__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5em;
    margin-top: .25em;
    padding: .62em .9em;
    background: var(--lx-foil-btn);
    color: #17120a;
    font-size: .6em;
    font-weight: 600;
    letter-spacing: .22em;
    text-transform: uppercase;
}

.lx-gems { display: inline-flex; gap: .55em; padding: .2em 0 0 .15em; }
.lx-gems > i {
    width: .5em;
    height: .5em;
    background: var(--lx-gold);
    transform: rotate(45deg);
}
.lx-gems > i.is-off { background: transparent; box-shadow: inset 0 0 0 1px var(--lx-line-2); }

.lx-stage__note {
    margin-top: 12px !important;
    color: var(--lx-dim);
    font-family: var(--lx-serif);
    font-size: 13px;
    font-style: italic;
    text-align: center;
}

@media (max-width: 991.98px) {
    .lx-hero__copy { text-align: center; }
    .lx-hero__domain { justify-content: center; }
    .lx-hero__domain::after { display: none; }
    .lx-hero__lead { margin-inline: auto; }
    .lx-hero__ctas { justify-content: center; }
    .lx-hero__serve { justify-content: center; margin-inline: auto; }
    .lx-stage { max-width: 520px; }
}
@media (max-width: 479.98px) {
    .lx-hero__domain { letter-spacing: .18em; }
    .lx-hero__ctas .lx-btn { flex: 1 1 100%; }
    .lx-hero__serve-label { flex-basis: 100%; }
    .lx-hero__icons { justify-content: center; }
}

/* ---------- Dải nền tảng ---------- */
.lx-band {
    position: relative;
    padding: 34px 0 38px;
    border-block: 1px solid var(--lx-line);
    background: linear-gradient(180deg, rgba(216, 178, 110, .035), transparent);
}
.lx-band::before,
.lx-band::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--lx-line-soft);
}
.lx-band::before { top: 4px; }
.lx-band::after { bottom: 4px; }
.lx-band__title {
    color: var(--lx-dim);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .32em;
    text-align: center;
    text-transform: uppercase;
}
.lx-band__title > em {
    color: var(--lx-gold);
    font-family: var(--lx-serif);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: .02em;
    text-transform: none;
}
.lx-band__list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    max-width: 1040px;
    margin: 22px auto 0;
    padding: 0;
    list-style: none;
}
.lx-band__item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-width: 0;
    padding: 12px 10px;
    color: var(--lx-ivory-2);
    font-family: var(--lx-serif);
    font-size: 19px;
    font-style: italic;
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
}
.lx-band__item .lx-ic { color: var(--lx-gold); font-size: 17px; }
/* chỉ dọc giữa các ô, hàng sau có chỉ ngang ngăn cách */
.lx-band__item::before {
    content: "";
    position: absolute;
    top: 22%;
    bottom: 22%;
    left: 0;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--lx-line-2), transparent);
}
.lx-band__item:nth-child(5n + 1)::before { display: none; }
.lx-band__item:nth-child(n + 6) { border-top: 1px solid var(--lx-line-soft); }
@media (max-width: 767.98px) {
    .lx-band__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lx-band__item { justify-content: flex-start; padding: 12px 6px 12px 18px; font-size: 17px; }
    .lx-band__item:nth-child(5n + 1)::before { display: block; }
    .lx-band__item:nth-child(2n + 1)::before { display: none; }
    .lx-band__item:nth-child(n + 3) { border-top: 1px solid var(--lx-line-soft); }
}

/* ---------- I. Đặc tính ---------- */
.lx-feats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    border: 1px solid var(--lx-line);
    background: var(--lx-line);
    outline: 1px solid var(--lx-line-soft);
    outline-offset: 9px;
}
.lx-feat {
    position: relative;
    min-width: 0;
    padding: clamp(30px, 3.4vw, 46px) clamp(24px, 3vw, 40px) clamp(32px, 3.4vw, 44px);
    background: var(--lx-bg);
    transition: background-color .5s;
}
.lx-feat::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--lx-gold-hi), transparent);
    transform: scaleX(0);
    transition: transform .7s var(--lx-ease);
}
.lx-feat:hover { background: #0f0f11; }
.lx-feat:hover::before { transform: scaleX(1); }
.lx-feat__num {
    position: absolute;
    top: 22px;
    right: 26px;
    color: var(--lx-gold-lo);
    font-family: var(--lx-serif);
    font-size: 16px;
    font-style: italic;
    letter-spacing: .02em;
}
.lx-feat__icon {
    position: relative;
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    margin-bottom: 26px;
    color: var(--lx-gold-hi);
    font-size: 20px;
}
.lx-feat__icon::before,
.lx-feat__icon::after {
    content: "";
    position: absolute;
    border: 1px solid var(--lx-gold);
    transform: rotate(45deg);
    transition: transform .8s var(--lx-ease);
}
.lx-feat__icon::before { inset: 8px; }
.lx-feat__icon::after { inset: 2px; border-color: var(--lx-line); }
.lx-feat:hover .lx-feat__icon::before { transform: rotate(225deg); }
.lx-feat__icon .lx-ic { position: relative; }
.lx-feat__title {
    margin: 0 0 12px;
    color: var(--lx-ivory);
    font-family: var(--lx-serif);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.25;
}
.lx-feat__text { color: var(--lx-muted); font-size: 15px; line-height: 1.75; }

@media (max-width: 991.98px) {
    .lx-feats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 639.98px) {
    .lx-feats { grid-template-columns: minmax(0, 1fr); outline-offset: 6px; }
    .lx-feat__icon { margin-bottom: 20px; }
}

/* ---------- II. Quy trình ---------- */
.lx-process { background: linear-gradient(180deg, transparent, rgba(216, 178, 110, .03) 50%, transparent); }
.lx-steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 40px);
    margin: 0;
    padding: 0;
    list-style: none;
}
.lx-steps::before {
    content: "";
    position: absolute;
    top: 38px;
    left: 12.5%;
    right: 12.5%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--lx-line-2) 8%, var(--lx-line-2) 92%, transparent);
}
.lx-step { position: relative; min-width: 0; text-align: center; }
.lx-step__medal {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 76px;
    height: 76px;
    margin: 0 auto 30px;
    color: var(--lx-gold-hi);
    font-family: var(--lx-serif);
    font-size: 22px;
    font-weight: 600;
    line-height: 1;
}
.lx-step__medal::before,
.lx-step__medal::after {
    content: "";
    position: absolute;
    z-index: -1;
    transform: rotate(45deg);
}
.lx-step__medal::before {
    inset: 11px;
    border: 1px solid var(--lx-gold);
    background: var(--lx-bg);
    box-shadow: 0 0 0 8px var(--lx-bg);
}
.lx-step__medal::after { inset: 4px; border: 1px solid var(--lx-line); }
.lx-step__title {
    margin: 0 0 10px;
    color: var(--lx-ivory);
    font-family: var(--lx-serif);
    font-size: 1.4rem;
    font-weight: 500;
    line-height: 1.25;
}
.lx-step__text { max-width: 260px; margin-inline: auto !important; color: var(--lx-muted); font-size: 15px; line-height: 1.75; }

@media (max-width: 991.98px) {
    .lx-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 48px; }
    .lx-steps::before { display: none; }
}
@media (max-width: 575.98px) {
    .lx-steps { grid-template-columns: minmax(0, 1fr); row-gap: 34px; }
    .lx-steps::before {
        display: block;
        top: 38px;
        bottom: 38px;
        left: 38px;
        right: auto;
        width: 1px;
        height: auto;
        background: linear-gradient(180deg, transparent, var(--lx-line-2) 10%, var(--lx-line-2) 90%, transparent);
    }
    .lx-step {
        display: grid;
        grid-template-columns: 76px minmax(0, 1fr);
        column-gap: 20px;
        text-align: left;
    }
    .lx-step__medal { grid-row: span 2; margin: 0; }
    .lx-step__title { align-self: end; margin-top: 8px; }
    .lx-step__text { max-width: none; margin-inline: 0 !important; }
}

/* ---------- III. Cấp bậc — vòm art-deco cao dần ---------- */
.lx-tiers {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: end;
    gap: clamp(14px, 2vw, 24px);
    margin: 0;
    padding: 0;
    list-style: none;
}
.lx-tier {
    --lx-arch: 999px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 0;
    min-height: calc(330px + var(--lx-tier-h) * 46px);
    padding: 64px clamp(16px, 2vw, 26px) 34px;
    border: 1px solid var(--lx-line-2);
    border-radius: var(--lx-arch) var(--lx-arch) 2px 2px;
    background:
        radial-gradient(80% 50% at 50% 0%, rgba(216, 178, 110, calc(.05 + var(--lx-tier-h) * .035)), transparent 70%),
        linear-gradient(180deg, #121214, #0c0c0d);
    text-align: center;
}
/* viền vòm thứ hai bên trong */
.lx-tier::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px solid var(--lx-line-soft);
    border-radius: var(--lx-arch) var(--lx-arch) 1px 1px;
    pointer-events: none;
}
/* tia nắng nhỏ trên đỉnh vòm */
.lx-tier::after {
    content: "";
    position: absolute;
    top: 22px;
    left: 50%;
    width: 30px;
    height: 1px;
    margin-left: -15px;
    background: var(--lx-gold);
    opacity: .55;
}
.lx-tier__num {
    color: var(--lx-gold);
    font-family: var(--lx-serif);
    font-size: clamp(2.2rem, 1.6rem + 1.6vw, 3.1rem);
    font-weight: 500;
    line-height: 1.1;
}
.lx-tier__name {
    margin: 14px 0 14px;
    color: var(--lx-ivory);
    font-family: var(--lx-serif);
    font-size: clamp(1.2rem, 1.05rem + .5vw, 1.5rem);
    font-style: italic;
    font-weight: 500;
    line-height: 1.25;
}
.lx-tier__rate { display: block; font-size: 15px; }
.lx-gems--sm { gap: 10px; }
.lx-gems--sm > i { width: 7px; height: 7px; }
.lx-tier__text {
    margin-top: auto !important;
    padding-top: 22px;
    border-top: 1px solid var(--lx-line-soft);
    color: var(--lx-muted);
    font-size: 14.5px;
    line-height: 1.7;
}
.lx-tier--top {
    border-color: transparent;
    background:
        radial-gradient(80% 50% at 50% 0%, rgba(243, 223, 162, .2), transparent 70%) padding-box,
        linear-gradient(180deg, #17161a, #0c0c0d) padding-box,
        linear-gradient(170deg, #f3dfa2, #c99a4a 40%, #8f6a2c 70%, #d8b26e) border-box;
    box-shadow: 0 40px 80px -40px rgba(216, 178, 110, .45);
}
.lx-tier--top::before { border-color: var(--lx-line-2); }
.lx-tier--top .lx-tier__num {
    background: var(--lx-foil);
    background-size: 240% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    animation: lx-foil 10s ease-in-out infinite alternate;
}
.lx-tier__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    padding: 4px 14px;
    background: var(--lx-foil-btn);
    color: #17120a;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .24em;
    line-height: 1.5;
    text-transform: uppercase;
    white-space: nowrap;
    transform: translateX(-50%);
}

.lx-tiers__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 18px 28px;
    margin-top: 52px;
    color: var(--lx-ivory-2);
    font-family: var(--lx-serif);
    font-size: 1.2rem;
    font-style: italic;
    text-align: center;
}

@media (max-width: 991.98px) {
    .lx-tiers { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 34px; }
    .lx-tier { min-height: calc(300px + var(--lx-tier-h) * 0px); }
}
@media (max-width: 575.98px) {
    .lx-tiers { gap: 26px 12px; }
    .lx-tier { min-height: 0; padding: 50px 12px 22px; }
    .lx-tier::after { top: 16px; }
    .lx-tier__name { margin: 8px 0 10px; font-size: 1.12rem; }
    .lx-tier__text { padding-top: 14px; font-size: 13.5px; }
    .lx-tiers__foot { font-size: 1.1rem; }
}

/* ---------- Số liệu ---------- */
.lx-stats { position: relative; padding-block: clamp(20px, 3vw, 36px); }
.lx-stats__grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-block: 1px solid var(--lx-line-2);
}
.lx-stats__grid::before,
.lx-stats__grid::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--lx-line);
}
.lx-stats__grid::before { top: 5px; }
.lx-stats__grid::after { bottom: 5px; }
.lx-stat {
    position: relative;
    padding: clamp(40px, 5vw, 64px) 16px;
    text-align: center;
}
.lx-stat + .lx-stat::before {
    content: "";
    position: absolute;
    top: 28%;
    bottom: 28%;
    left: 0;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--lx-line-2), transparent);
}
.lx-stat + .lx-stat::after {
    content: "";
    position: absolute;
    top: 50%;
    left: -4px;
    width: 8px;
    height: 8px;
    margin-top: -4px;
    background: var(--lx-bg);
    border: 1px solid var(--lx-gold);
    transform: rotate(45deg);
}
.lx-stat__num {
    font-family: var(--lx-serif);
    font-size: clamp(3rem, 2rem + 4vw, 5.4rem);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -.01em;
    background: var(--lx-foil);
    background-size: 240% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    animation: lx-foil 10s ease-in-out infinite alternate;
}
.lx-stat__label {
    margin-top: 10px !important;
    color: var(--lx-muted);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: .28em;
    text-transform: uppercase;
}
@media (max-width: 639.98px) {
    .lx-stats__grid { grid-template-columns: minmax(0, 1fr); }
    .lx-stat { padding: 34px 16px; }
    .lx-stat + .lx-stat::before {
        top: 0;
        bottom: auto;
        left: 20%;
        right: 20%;
        width: auto;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--lx-line-2), transparent);
    }
    .lx-stat + .lx-stat::after { top: 0; left: 50%; margin: -4px 0 0 -4px; }
}

/* ---------- IV. Đăng nhập / đăng ký ---------- */
.lx-auth {
    display: grid;
    gap: clamp(44px, 6vw, 80px);
    align-items: center;
}
@media (min-width: 992px) {
    .lx-auth { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); }
}
.lx-auth__copy { min-width: 0; }

.lx-checks {
    display: grid;
    gap: 0;
    margin: 34px 0 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--lx-line);
}
.lx-checks__item {
    position: relative;
    padding: 15px 0 15px 32px;
    border-bottom: 1px solid var(--lx-line-soft);
    color: var(--lx-ivory-2);
    font-size: 15.5px;
    line-height: 1.55;
}
.lx-checks__item::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 6px;
    width: 8px;
    height: 8px;
    margin-top: -4px;
    background: var(--lx-gold);
    transform: rotate(45deg);
    box-shadow: 0 0 0 3px var(--lx-bg), 0 0 0 4px var(--lx-line-2);
}

/* Khung viền đôi + hoa văn góc bọc login_box; z-index giữ icon/popup trong ngữ cảnh riêng */
.lx-auth__form {
    position: relative;
    z-index: 1;
    min-width: 0;
}
.lx-frame {
    position: relative;
    padding: 10px;
    border: 1px solid var(--lx-line);
    background: rgba(13, 13, 14, .6);
}
.lx-frame__corner {
    position: absolute;
    z-index: 2;
    width: 40px;
    height: 40px;
    color: var(--lx-gold);
    pointer-events: none;
}
.lx-frame__corner--tl { top: -5px; left: -5px; }
.lx-frame__corner--tr { top: -5px; right: -5px; transform: scaleX(-1); }
.lx-frame__corner--bl { bottom: -5px; left: -5px; transform: scaleY(-1); }
.lx-frame__corner--br { bottom: -5px; right: -5px; transform: scale(-1, -1); }

.lx-auth .box-cover {
    padding: 0;
    background: none;
    background-image: none;
}
.lx-auth .box-cover .container {
    width: 100%;
    max-width: none;
    padding: 0;
}
.lx-auth .box-cover .row { display: block; margin: 0; }
.lx-auth .box-cover .block-left { display: none; }
.lx-auth .box-cover .block-right {
    width: 100%;
    max-width: 100%;
    flex: none;
    padding: 0;
}
.lx-auth .box-cover .card,
.lx-auth .box-cover .card.shadow-lg {
    margin: 0;
    border: 1px solid var(--lx-line-2);
    border-radius: 0;
    background:
        radial-gradient(120% 60% at 100% 0%, rgba(216, 178, 110, .07), transparent 60%),
        linear-gradient(180deg, #151517, #101012);
    color: var(--lx-ivory);
    box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .95) !important;
    transition: none;
}
.lx-auth .box-cover .card-body { padding: clamp(24px, 3.4vw, 42px); }
.lx-auth .box-cover .m-b-30 {
    gap: 14px;
    margin-bottom: 28px !important;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--lx-line);
}
/* logo ảnh có thể sáng/tối: đặt trên tấm ngà có viền vàng đôi để luôn rõ */
.lx-auth .box-cover .img-fluid {
    max-width: 52%;
    max-height: 44px !important;
    padding: 5px 10px;
    border-radius: 1px;
    background: var(--lx-ivory);
    box-shadow: 0 0 0 1px var(--lx-gold), 0 0 0 4px #121214, 0 0 0 5px var(--lx-line-2);
    object-fit: contain;
}
.lx-auth .box-cover h2 {
    margin: 0;
    color: var(--lx-ivory);
    font-family: var(--lx-serif);
    font-size: 30px;
    font-style: italic;
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: 0;
}
.lx-auth .box-cover label,
.lx-auth .box-cover .font-weight-semibold {
    margin-bottom: 9px;
    color: #cdb88a;
    font-family: var(--lx-sans);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .22em;
    text-transform: uppercase;
}
.lx-auth .box-cover .form-group { margin-bottom: 20px !important; }
.lx-auth .box-cover .font-size-14 { color: var(--lx-muted); font-size: 13.5px !important; }
.lx-auth .box-cover .input-affix .prefix-icon {
    left: 16px;
    color: #8a7d66;
    font-size: 14px;
    transition: color .3s;
}
.lx-auth .box-cover .input-affix:focus-within .prefix-icon { color: var(--lx-gold); }
.lx-auth .box-cover .input-affix .form-control:not(:first-child) {
    min-height: 50px;
    padding: .8rem 1rem .8rem 44px;
    border: 1px solid #312c24;
    border-radius: 2px;
    background: #0d0d0f;
    color: var(--lx-ivory);
    font-family: var(--lx-sans);
    font-size: 15px;
    caret-color: var(--lx-gold);
    outline: none;
    transition: border-color .3s, box-shadow .3s, background-color .3s;
}
.lx-auth .box-cover .input-affix .form-control:not(:first-child)::placeholder { color: #6f6a5e; opacity: 1; }
.lx-auth .box-cover .input-affix .form-control:not(:first-child):hover { border-color: #4a4234; }
.lx-auth .box-cover .input-affix .form-control:not(:first-child):focus {
    border-color: var(--lx-gold);
    background: #0f0f11;
    box-shadow: 0 0 0 3px rgba(216, 178, 110, .13), 0 10px 24px -14px rgba(216, 178, 110, .35);
}
.lx-auth .box-cover .input-affix .form-control:-webkit-autofill {
    -webkit-text-fill-color: var(--lx-ivory);
    -webkit-box-shadow: 0 0 0 60px #15140f inset;
    caret-color: var(--lx-gold);
    transition: background-color 99999s;
}
.lx-auth .box-cover a { color: var(--lx-gold); font-weight: 500; text-decoration: none; }
.lx-auth .box-cover a:hover,
.lx-auth .box-cover a:focus { color: var(--lx-gold-hi); }
.lx-auth .box-cover .float-right {
    margin-top: 1px;
    font-size: 12.5px !important;
    letter-spacing: .02em;
}

.lx-auth .box-cover .btn.btn-primary {
    position: relative;
    overflow: hidden;
    min-height: 50px;
    padding: 0 28px;
    border: 0;
    border-radius: 2px;
    background: var(--lx-foil-btn);
    color: #17120a;
    font-family: var(--lx-sans);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
    white-space: nowrap;
    box-shadow: 0 16px 34px -18px rgba(216, 178, 110, .75), inset 0 1px 0 rgba(255, 255, 255, .45);
    transition: box-shadow .3s, filter .3s;
}
.lx-auth .box-cover .btn.btn-primary:hover { filter: brightness(1.06); }
.lx-auth .box-cover .btn.btn-primary:focus-visible { outline: 1px solid var(--lx-gold-hi); outline-offset: 3px; }
.lx-auth .box-cover .btn.btn-primary:disabled { opacity: .6; }
/* nút phụ "Tôi chưa có email" */
.lx-auth .box-cover #generate_email.btn {
    min-height: 32px;
    margin-top: 10px !important;
    padding: 0 14px;
    border: 1px dashed var(--lx-line-2);
    background: transparent;
    color: var(--lx-gold);
    font-size: 10.5px;
    letter-spacing: .16em;
    box-shadow: none;
}
.lx-auth .box-cover #generate_email.btn:hover { background: rgba(216, 178, 110, .08); filter: none; }

/* popup yêu cầu mật khẩu + báo lỗi xác nhận */
.lx-auth .box-cover .form-group.check-password {
    padding: 12px 14px 10px;
    border: 1px solid var(--lx-line-2);
    border-radius: 2px;
    background: #18171a;
    color: var(--lx-ivory-2);
    font-size: 13.5px;
    box-shadow: 0 24px 50px -18px rgba(0, 0, 0, .95);
}
.lx-auth .box-cover .form-group.check-password > div:first-child {
    padding: 2px 8px 6px;
    color: var(--lx-gold);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
}
.lx-auth .box-cover .invalid::before { color: #6f6a5e; }
.lx-auth .box-cover .valid { color: var(--lx-gold-hi); }
.lx-auth .box-cover .valid::before { color: var(--lx-gold); }
.lx-auth .box-cover .form-group.re-check-password { color: #f2998c; font-size: 13.5px; }
.lx-auth .box-cover .term-agree label {
    color: var(--lx-muted);
    font-size: 13.5px !important;
    letter-spacing: 0;
    text-transform: none;
}
.lx-auth .box-cover input[type="checkbox"] { accent-color: var(--lx-gold); }
.lx-auth .box-cover .lang-picker-row {
    margin-top: 6px;
    padding-top: 20px;
    border-top: 1px solid var(--lx-line);
}

/* chọn ngôn ngữ — menu bị JS đưa ra body nên scope theo body.lx */
.lx .lang-picker,
.lx .lp-menu {
    --lp-bg: #121214;
    --lp-border: rgba(216, 178, 110, .3);
    --lp-ink: #f4efe6;
    --lp-ink-2: #ded6c6;
    --lp-muted: #9b9586;
    --lp-hover: #1d1c1a;
    --lp-primary: #d8b26e;
    --lp-primary-soft: rgba(216, 178, 110, .14);
    font-family: var(--lx-sans);
}
.lx .lp-menu { --lp-bg: #141416; box-shadow: 0 24px 60px -16px rgba(0, 0, 0, .95); }

/* ---------- V. Bảng giá ---------- */
.lx-pricebox {
    position: relative;
    padding: clamp(18px, 3.2vw, 40px);
    border: 1px solid var(--lx-line-2);
    background: linear-gradient(180deg, #121214, #0d0d0f);
    outline: 1px solid var(--lx-line-soft);
    outline-offset: 8px;
}
.lx-pricebox__scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.lx-prices #label_table_prices {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 0 !important;
    margin-bottom: 20px !important;
}
.lx-prices #label_table_prices > span {
    margin-right: 0 !important;
    color: var(--lx-gold);
    font-size: 11px !important;
    font-weight: 600;
    letter-spacing: .24em;
    text-transform: uppercase;
}
.lx-prices #service-category-select {
    min-width: 190px;
    padding: 10px 40px 10px 14px;
    border: 1px solid var(--lx-line-2);
    border-radius: 2px;
    background: #0d0d0f url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23d8b26e' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round' d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center / 16px;
    color: var(--lx-ivory);
    font-family: var(--lx-sans);
    font-size: 14.5px;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}
.lx-prices #service-category-select:focus,
.lx-prices .dataTables_wrapper .dataTables_length select:focus,
.lx-prices .dataTables_wrapper .dataTables_filter input:focus {
    outline: none;
    border-color: var(--lx-gold);
    box-shadow: 0 0 0 3px rgba(216, 178, 110, .14);
}
.lx-prices #service-category-select option,
.lx-prices .dataTables_length select option { background: #141416; color: var(--lx-ivory); }

.lx-prices .dataTables_wrapper { color: var(--lx-muted); font-size: 14px; }
.lx-prices .dataTables_wrapper label { color: var(--lx-muted); font-weight: 500; }
.lx-prices .dataTables_wrapper .dataTables_length select,
.lx-prices .dataTables_wrapper .dataTables_filter input {
    padding: 8px 10px;
    border: 1px solid var(--lx-line-2);
    border-radius: 2px;
    background-color: #0d0d0f;
    color: var(--lx-ivory);
    font-family: var(--lx-sans);
    font-size: 14px;
}
.lx-prices .dataTables_wrapper .dataTables_filter input { min-width: 0; max-width: 200px; margin-left: 8px; }
.lx-prices .dataTables_wrapper .dataTables_length select {
    margin: 0 6px;
    padding-right: 30px;
    background: #0d0d0f url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23d8b26e' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round' d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 9px center / 13px;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.lx-prices table.dataTable {
    margin: 18px 0 !important;
    border: 0;
    border-collapse: separate;
    border-spacing: 0;
}
.lx-prices table.dataTable.no-footer { border-bottom: 0; }
.lx-prices #table_prices th,
.lx-prices #table_prices td {
    border: 0;
    border-bottom: 1px solid rgba(216, 178, 110, .09);
}
.lx-prices #table_prices thead th {
    padding: 14px 16px;
    border-top: 1px solid var(--lx-line-2);
    border-bottom: 1px solid var(--lx-line-2);
    background: rgba(216, 178, 110, .06);
    color: var(--lx-gold);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
}
.lx-prices #table_prices tbody td {
    padding: 15px 16px;
    color: var(--lx-ivory-2);
    font-size: 14.5px;
    transition: background-color .3s;
}
.lx-prices #table_prices tbody tr:hover td { background-color: rgba(216, 178, 110, .04); }
.lx-prices #table_prices tbody td:last-child {
    color: var(--lx-gold-hi) !important;
    font-family: var(--lx-serif);
    font-size: 15.5px;
    font-weight: 600 !important;
    white-space: nowrap;
}
.lx-prices #table_prices td.dataTables_empty { color: var(--lx-muted); text-align: center; }

.lx-prices .dataTables_wrapper .dataTables_info { color: var(--lx-dim); font-size: 13px; }
.lx-prices .dataTables_wrapper .dataTables_paginate .paginate_button {
    min-width: 36px;
    margin-left: 4px;
    padding: 6px 12px;
    border: 1px solid transparent;
    border-radius: 2px;
    background: transparent;
    color: var(--lx-muted) !important;
    font-weight: 500;
}
.lx-prices .dataTables_wrapper .dataTables_paginate .paginate_button:not(.disabled):not(.current):hover {
    border-color: var(--lx-line-2);
    background: rgba(216, 178, 110, .07);
    color: var(--lx-gold-hi) !important;
}
.lx-prices .dataTables_wrapper .dataTables_paginate .paginate_button.current,
.lx-prices .dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    border-color: transparent;
    background: var(--lx-foil-btn);
    color: #17120a !important;
}
.lx-prices .dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
.lx-prices .dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
    opacity: .4;
    color: var(--lx-muted) !important;
}
.lx-prices .dataTables_wrapper .dataTables_paginate .ellipsis { color: var(--lx-dim); }
/* ghi chú cấp bậc ngay dưới bảng (inline cam đậm → vàng nhạt cho nền tối) */
.lx-prices #table_prices_wrapper + div {
    margin-top: 16px !important;
    color: var(--lx-gold) !important;
    font-family: var(--lx-serif);
    font-size: 14.5px;
    font-style: italic;
}
@media (max-width: 575.98px) {
    .lx-prices .dataTables_wrapper .dataTables_paginate .paginate_button {
        min-width: 30px;
        margin-left: 2px;
        padding: 5px 8px;
        font-size: 13px;
    }
    .lx-prices #table_prices thead th,
    .lx-prices #table_prices tbody td { padding: 12px 10px; }
    .lx-pricebox { outline-offset: 5px; }
}

/* ---------- Hỏi đáp ---------- */
.lx-faq { max-width: calc(880px + 2 * var(--lx-gutter)); }
.lx-qa-list { border-top: 1px solid var(--lx-line-2); }
.lx-qa { border-bottom: 1px solid var(--lx-line); }
.lx-qa__sum {
    display: flex;
    align-items: baseline;
    gap: 18px;
    padding: 24px 4px;
    color: var(--lx-ivory);
    cursor: pointer;
    list-style: none;
    transition: color .3s;
}
.lx-qa__sum::-webkit-details-marker { display: none; }
.lx-qa__sum::marker { content: ""; }
.lx-qa__sum:hover { color: var(--lx-gold-hi); }
.lx-qa__sum:focus-visible { outline: 1px solid var(--lx-gold); outline-offset: 2px; }
.lx-qa__num {
    flex-shrink: 0;
    width: 34px;
    color: var(--lx-gold);
    font-family: var(--lx-serif);
    font-size: 16px;
    font-style: italic;
}
.lx-qa__q {
    flex: 1;
    min-width: 0;
    font-family: var(--lx-serif);
    font-size: clamp(1.1rem, 1rem + .4vw, 1.32rem);
    font-weight: 500;
    line-height: 1.4;
}
.lx-qa__mark {
    position: relative;
    flex-shrink: 0;
    align-self: center;
    width: 30px;
    height: 30px;
    border: 1px solid var(--lx-line-2);
    transform: rotate(45deg);
    transition: background-color .4s, border-color .4s;
}
.lx-qa__mark::before,
.lx-qa__mark::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 11px;
    height: 1px;
    margin: -.5px 0 0 -5.5px;
    background: var(--lx-gold-hi);
    transform: rotate(-45deg);
    transition: transform .45s var(--lx-ease);
}
.lx-qa__mark::after { transform: rotate(45deg); }
.lx-qa[open] .lx-qa__mark { border-color: var(--lx-gold); background: rgba(216, 178, 110, .1); }
.lx-qa[open] .lx-qa__mark::after { transform: rotate(-45deg); }
.lx-qa[open] .lx-qa__sum { color: var(--lx-gold-hi); }
.lx-qa__a { padding: 0 52px 26px 56px; }
.lx-qa__a > p {
    color: var(--lx-muted);
    font-size: 15.5px;
    line-height: 1.8;
    animation: lx-fade .6s var(--lx-ease);
}
@keyframes lx-fade {
    from { opacity: 0; transform: translateY(-6px); }
}
.lx-faq__more { margin-top: 40px !important; text-align: center; }
@media (max-width: 575.98px) {
    .lx-qa__sum { gap: 12px; padding: 20px 0; }
    .lx-qa__num { width: 26px; font-size: 15px; }
    .lx-qa__mark { width: 26px; height: 26px; }
    .lx-qa__a { padding: 0 6px 22px 38px; }
}

/* ---------- Lời mời cuối trang ---------- */
.lx-final { padding-top: clamp(24px, 4vw, 48px); }
.lx-cta {
    position: relative;
    overflow: hidden;
    padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 64px);
    border: 1px solid var(--lx-line-2);
    background:
        radial-gradient(60% 80% at 50% 100%, rgba(216, 178, 110, .16), transparent 70%),
        linear-gradient(180deg, #111113, #0b0b0c);
    outline: 1px solid var(--lx-line-soft);
    outline-offset: -11px;
    text-align: center;
}
.lx-cta .lx-frame__corner--tl { top: 6px; left: 6px; }
.lx-cta .lx-frame__corner--tr { top: 6px; right: 6px; }
.lx-cta .lx-frame__corner--bl { bottom: 6px; left: 6px; }
.lx-cta .lx-frame__corner--br { bottom: 6px; right: 6px; }
.lx-cta__rays {
    position: absolute;
    left: 50%;
    bottom: -72%;
    width: 900px;
    max-width: none;
    height: 900px;
    margin-left: -450px;
    color: var(--lx-gold);
    opacity: .16;
    pointer-events: none;
    animation: lx-spin 220s linear infinite reverse;
}
.lx-cta__inner { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; }
.lx-cta__fan { display: block; width: 92px; height: 48px; margin: 0 auto 4px; color: var(--lx-gold); }
.lx-cta__title { font-size: clamp(2.2rem, 1.4rem + 3vw, 3.9rem); }
.lx-cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 36px;
}
@media (max-width: 479.98px) {
    .lx-cta__actions .lx-btn { flex: 1 1 100%; }
}

/* ---------- Chân trang ---------- */
.lx-footer {
    padding: 24px 0 34px;
    border-top: 1px solid var(--lx-line);
    background: linear-gradient(180deg, #0d0d0f, #09090a);
}
.lx-footer__orn {
    display: flex;
    justify-content: center;
    margin: -49px 0 36px;
}
.lx-footer__fan {
    width: 96px;
    height: 50px;
    padding: 0 12px;
    background: var(--lx-bg);
    color: var(--lx-gold);
    box-sizing: content-box;
}
.lx-footer__grid {
    display: grid;
    gap: 40px;
    padding-bottom: 40px;
}
@media (min-width: 768px) {
    .lx-footer__grid { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, .8fr); gap: 56px; }
}
.lx-footer__text {
    max-width: 440px;
    margin-top: 18px !important;
    color: var(--lx-muted);
    font-size: 14.5px;
    line-height: 1.8;
}
.lx-footer__title {
    margin-bottom: 16px !important;
    color: var(--lx-gold);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .28em;
    text-transform: uppercase;
}
.lx-footer__list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--lx-ivory-2);
    font-size: 14.5px;
}
.lx-footer__list--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 20px; }
.lx-footer__link {
    color: var(--lx-ivory-2);
    text-decoration: none;
    transition: color .3s;
}
.lx-footer__link:hover { color: var(--lx-gold-hi); text-decoration: none; }
.lx-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
    padding-top: 24px;
    border-top: 1px solid var(--lx-line-soft);
    color: var(--lx-dim);
    font-size: 13px;
}
.lx-footer__motto {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--lx-gold);
    font-family: var(--lx-serif);
    font-size: 14px;
    font-style: italic;
}
.lx-footer__motto > i {
    width: 5px;
    height: 5px;
    background: var(--lx-gold-lo);
    transform: rotate(45deg);
}
@media (max-width: 575.98px) {
    .lx-footer__bottom { justify-content: center; text-align: center; }
}

/* ---------- Nút lên đầu trang ---------- */
.lx-top {
    position: fixed;
    left: 16px;
    bottom: 20px;
    z-index: 55;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    color: var(--lx-gold-hi);
    font-size: 16px;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .4s, transform .4s var(--lx-ease), visibility 0s linear .4s;
}
.lx-top::before {
    content: "";
    position: absolute;
    inset: 6px;
    z-index: -1;
    border: 1px solid var(--lx-gold);
    background: rgba(11, 11, 12, .92);
    transform: rotate(45deg);
    transition: background-color .3s;
}
.lx-top.is-show {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
}
.lx-top:hover { color: #17120a; }
.lx-top:hover::before { background: var(--lx-gold); }

/* ---------- Hiện dần khi cuộn ---------- */
.js .lx [data-reveal] {
    opacity: 0;
    transform: translate3d(0, 26px, 0);
    transition: opacity 1.1s var(--lx-ease), transform 1.1s var(--lx-ease);
}
.js .lx [data-reveal].is-in {
    opacity: 1;
    transform: none;
}
/* form đăng nhập chỉ hiện mờ dần, không trượt: changeTab() đo vị trí lúc bấm để cuộn tới */
.js .lx .lx-auth__form[data-reveal] { transform: none; }

/* ---------- Tạm dừng chuyển động: tab ẩn hoặc hero khuất màn hình ---------- */
body.lx-paused *,
.lx-stage.is-idle,
.lx-stage.is-idle * {
    animation-play-state: paused !important;
}

/* ---------- Giảm chuyển động ---------- */
@media (prefers-reduced-motion: reduce) {
    .lx-foil,
    .lx-card__tier,
    .lx-stat__num,
    .lx-tier--top .lx-tier__num,
    .lx-stage__rays,
    .lx-cta__rays,
    .lx-card--front,
    .lx-card__sheen::before,
    .lx-float,
    .lx-meter > span,
    .lx-qa__a > p {
        animation: none !important;
    }
    .lx-card__sheen { display: none; }
    .js .lx [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .lx-btn,
    .lx-btn::after,
    .lx-deck,
    .lx-feat,
    .lx-feat::before,
    .lx-feat__icon::before,
    .lx-nav,
    .lx-top,
    .lx-qa__mark::before,
    .lx-qa__mark::after {
        transition: none !important;
    }
}