html.landing-root,
body.landing {
    height: 100%;
    height: 100dvh;
    min-height: 100dvh;
    margin: 0;
    overflow: hidden;
    background: #071018;
    color: #f4f6f9;
    overscroll-behavior: none;
}

@media (max-width: 820px) and (max-height: 700px) {
    html.landing-root,
    body.landing {
        height: auto;
        min-height: 100dvh;
        overflow: auto;
    }
}

.landing {
    --gold: #f58220;
    --frame: clamp(10px, 1.6vw, 28px);
    font-family: "Source Sans 3", "Segoe UI", sans-serif;
}

.landing-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: 100%;
    min-height: 100dvh;
    padding: var(--frame);
    gap: var(--frame);
}

.landing-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    border-radius: 22px;
    color: #f6f1e8;
    isolation: isolate;
    text-align: center;
    padding: clamp(1rem, 2.4vw, 1.7rem) clamp(0.85rem, 2vw, 1.5rem) clamp(1.1rem, 2vw, 1.7rem);
}

.landing-panel__bg,
.landing-panel__veil {
    position: absolute;
    inset: 0;
}

.landing-panel__bg {
    background-size: cover;
    background-position: center;
    transform: scale(1.04);
    transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.landing-panel:hover .landing-panel__bg {
    transform: scale(1.1);
}

.landing-panel[data-site="china"] .landing-panel__bg { background-position: 42% 45%; }

.landing-panel__veil {
    background:
        linear-gradient(180deg, rgba(6, 10, 18, 0.74) 0%, rgba(6, 10, 18, 0.42) 38%, rgba(6, 10, 18, 0.68) 100%),
        rgba(6, 10, 18, 0.28);
}

.landing-panel[data-site="sa"] .landing-panel__veil {
    background:
        linear-gradient(180deg, rgba(5, 17, 12, 0.76) 0%, rgba(5, 17, 12, 0.4) 38%, rgba(5, 17, 12, 0.66) 100%),
        rgba(5, 17, 12, 0.24);
}

.landing-panel__logo {
    position: absolute;
    top: clamp(1rem, 2.4vw, 1.7rem);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    width: min(92%, 18rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
    pointer-events: none;
}

.landing-panel__logo .brand-mark {
    width: 78px;
    height: auto;
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.55));
}

.landing-panel[data-site="sa"] .landing-panel__logo .brand-mark {
    width: 86px;
}

.landing-panel__logo .brand-wordmark {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: #f6f1e8;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.72);
}

.landing-panel__logo .brand-wordmark strong {
    font-family: "Newsreader", Georgia, serif;
    font-size: clamp(1.35rem, 2.2vw, 1.95rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.landing-panel__logo .brand-wordmark span {
    margin-top: 0.28rem;
    font-size: clamp(0.68rem, 0.95vw, 0.78rem);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(246, 241, 232, 0.9);
}

.landing-panel__copy {
    position: relative;
    z-index: 1;
    width: min(28rem, 100%);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.landing-panel__rule {
    display: block;
    width: 42px;
    height: 2px;
    margin: 0 0 1rem;
    background: #f58220;
    border-radius: 2px;
}

.landing-panel[data-site="sa"] .landing-panel__rule { background: #fdb913; }

.landing-panel__line {
    display: block;
    margin: 0 0 0.7rem;
    font-size: clamp(1.02rem, 1.7vw, 1.4rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    color: #f6f1e8;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.4);
}

.landing-panel__text {
    display: block;
    max-width: 24rem;
    margin: 0 auto 1.5rem;
    font-size: clamp(0.92rem, 1.15vw, 1.08rem);
    line-height: 1.5;
    color: rgba(246, 241, 232, 0.86);
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.4);
}

.landing-panel__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    min-height: 52px;
    padding: 0 1.4rem;
    border-radius: 999px;
    background: #f58220;
    color: #0a1628;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.landing-panel[data-site="sa"] .landing-panel__btn {
    background: #fdb913;
    color: #07140f;
}

.landing-panel__btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.7;
}

.landing-panel:hover .landing-panel__btn {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

@media (max-width: 820px) {
    .landing-split {
        padding: 0.55rem;
        gap: 0.55rem;
    }

    .landing-panel {
        border-radius: 16px;
        padding: 0.85rem 0.55rem 0.95rem;
        justify-content: center;
    }

    .landing-panel__logo {
        top: 0.75rem;
        width: min(92%, 12.5rem);
        gap: 0.4rem;
    }

    .landing-panel__logo .brand-mark,
    .landing-panel[data-site="sa"] .landing-panel__logo .brand-mark {
        width: 48px;
    }

    .landing-panel__logo .brand-wordmark strong {
        font-size: clamp(1rem, 4.2vw, 1.2rem);
    }

    .landing-panel__logo .brand-wordmark span {
        margin-top: 0.2rem;
        font-size: clamp(0.62rem, 2.4vw, 0.7rem);
        letter-spacing: 0.04em;
        line-height: 1.3;
        max-width: 12.5rem;
    }

    .landing-panel__copy {
        padding: 0 0.15rem;
        justify-content: center;
    }

    .landing-panel__rule {
        margin-bottom: 0.55rem;
    }

    .landing-panel__line {
        font-size: clamp(0.78rem, 3.2vw, 0.95rem);
        line-height: 1.25;
        margin-bottom: 0.45rem;
    }

    .landing-panel__text {
        display: block;
        font-size: clamp(0.68rem, 2.7vw, 0.8rem);
        line-height: 1.4;
        margin-bottom: 0.85rem;
        color: rgba(246, 241, 232, 0.9);
    }

    .landing-panel__btn {
        min-height: 42px;
        padding: 0 0.7rem;
        font-size: 0.58rem;
        letter-spacing: 0.07em;
        width: min(100%, 15.5rem);
        gap: 0.4rem;
    }

    .landing-panel__btn svg {
        width: 14px;
        height: 14px;
    }
}

@media (max-width: 520px) {
    .landing-panel {
        padding: 0.7rem 0.42rem 0.8rem;
    }

    .landing-panel__logo .brand-mark,
    .landing-panel[data-site="sa"] .landing-panel__logo .brand-mark {
        width: 42px;
    }

    .landing-panel__logo .brand-wordmark strong {
        font-size: 0.98rem;
    }

    .landing-panel__logo .brand-wordmark span {
        font-size: 0.6rem;
    }

    .landing-panel__line {
        font-size: 0.8rem;
    }

    .landing-panel__text {
        font-size: 0.7rem;
        line-height: 1.38;
        margin-bottom: 0.7rem;
    }

    .landing-panel__btn {
        min-height: 40px;
        font-size: 0.54rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .landing-panel__bg,
    .landing-panel__btn { transition: none !important; }
}