body {
    background: #070c0d;
    overflow-x: hidden;
}

.hero-photo {
    filter: grayscale(0.18) contrast(1.12) brightness(0.64) saturate(0.94);
}

.hero-chip {
    clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
    filter: grayscale(1) contrast(1.18) brightness(0.86);
    mix-blend-mode: screen;
    opacity: 0.34;
}

.technical-grid {
    background-image:
        linear-gradient(to right, rgba(248, 250, 247, 0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(248, 250, 247, 0.06) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, black 0%, transparent 86%);
}

.pattern-facts,
.pattern-conference,
.pattern-audience,
.pattern-venue,
.pattern-signup,
.pattern-partners,
.pattern-footer {
    isolation: isolate;
    position: relative;
}

.pattern-facts {
    background: linear-gradient(90deg, rgba(230, 43, 39, 0.12), rgba(17, 25, 27, 0.98) 38%, rgba(22, 131, 67, 0.1)), #11191b;
}

.pattern-conference {
    background: linear-gradient(125deg, rgba(22, 131, 67, 0.16), #0b1214 34%, #10181a 68%, rgba(230, 43, 39, 0.1)), #0b1214;
    border-bottom: 1px solid rgba(248, 250, 247, 0.13);
    border-top: 1px solid rgba(248, 250, 247, 0.06);
}

.pattern-audience {
    background: linear-gradient(115deg, #080d0e, rgba(20, 29, 31, 0.96) 44%, rgba(26, 12, 12, 0.68)), #080d0e;
    border-bottom-color: rgba(22, 131, 67, 0.2);
    border-top-color: rgba(230, 43, 39, 0.24);
}

.pattern-venue {
    background: linear-gradient(135deg, rgba(215, 155, 70, 0.16), #172125 38%, rgba(22, 131, 67, 0.07)), #172125;
}

.pattern-signup {
    background: linear-gradient(115deg, rgba(22, 131, 67, 0.13), #070c0d 42%, rgba(215, 155, 70, 0.06)), #070c0d;
}

.pattern-partners {
    background: linear-gradient(105deg, rgba(215, 155, 70, 0.1), #070c0d 28%, rgba(22, 131, 67, 0.09) 72%, rgba(230, 43, 39, 0.06)), #070c0d;
}

.pattern-footer {
    background: linear-gradient(90deg, rgba(22, 131, 67, 0.08), #070c0d 52%, rgba(230, 43, 39, 0.05)), #070c0d;
}

.pattern-facts::before,
.pattern-conference::before,
.pattern-audience::before,
.pattern-venue::before,
.pattern-signup::before,
.pattern-partners::before,
.pattern-footer::before {
    content: "";
    inset: 0 calc(50% - 50vw);
    pointer-events: none;
    position: absolute;
    z-index: 1;
}

.pattern-facts::before {
    background-image: linear-gradient(to right, rgba(248, 250, 247, 0.07) 1px, transparent 1px);
    background-size: 112px 100%;
    opacity: 0.3;
}

.pattern-conference::before {
    background-image:
        linear-gradient(to right, rgba(248, 250, 247, 0.052) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(248, 250, 247, 0.04) 1px, transparent 1px),
        radial-gradient(circle at 1px 1px, rgba(22, 131, 67, 0.16) 1.2px, transparent 1.8px);
    background-position: 0 0, 0 0, 18px 18px;
    background-size: 54px 54px, 54px 54px, 108px 108px;
    mask-image: linear-gradient(90deg, black 0%, rgba(0, 0, 0, 0.8) 55%, transparent 100%);
    opacity: 0.36;
}

.pattern-audience::before {
    background-image:
        repeating-linear-gradient(135deg, rgba(248, 250, 247, 0.052) 0 1px, transparent 1px 34px),
        linear-gradient(to right, rgba(230, 43, 39, 0.045), transparent 42%, rgba(22, 131, 67, 0.035));
    opacity: 0.24;
}

.pattern-venue::before {
    background-image:
        linear-gradient(to right, rgba(215, 155, 70, 0.09) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(215, 155, 70, 0.065) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, rgba(215, 155, 70, 0.1) 0 1px, transparent 2px);
    background-position: 0 0, 0 0, 36px 36px;
    background-size: 72px 72px, 72px 72px, 144px 144px;
    opacity: 0.28;
}

.pattern-signup::before {
    background-image:
        radial-gradient(circle at 1px 1px, rgba(248, 250, 247, 0.12) 1px, transparent 1.8px),
        linear-gradient(90deg, rgba(22, 131, 67, 0.08), transparent 48%);
    background-position: 0 0, 0 0;
    background-size: 28px 28px, 100% 100%;
    opacity: 0.24;
}

.pattern-partners::before {
    background-image:
        linear-gradient(to right, rgba(248, 250, 247, 0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(248, 250, 247, 0.035) 1px, transparent 1px);
    background-position: 0 0, 0 0;
    background-size: 160px 86px, 160px 86px;
    opacity: 0.26;
}

.pattern-footer::before {
    background-image: linear-gradient(to right, rgba(248, 250, 247, 0.05) 1px, transparent 1px);
    background-size: 96px 100%;
    opacity: 0.18;
}

.pattern-facts > *,
.pattern-conference > *,
.pattern-audience > *,
.pattern-venue > *,
.pattern-signup > *,
.pattern-partners > *,
.pattern-footer > * {
    position: relative;
    z-index: 2;
}

.field {
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.92);
    color: #070c0d;
}

.field:focus {
    border-color: #168343;
    box-shadow: 0 0 0 3px rgba(22, 131, 67, 0.2);
    outline: none;
}

a.bg-vbred,
button.bg-vbred {
    transition:
        background-color 200ms ease,
        box-shadow 200ms ease,
        color 200ms ease,
        transform 200ms ease,
        opacity 200ms ease;
}

a.bg-vbred:hover,
button.bg-vbred:hover:not(:disabled),
a.bg-vbred:focus-visible,
button.bg-vbred:focus-visible {
    box-shadow: 0 14px 32px rgba(230, 43, 39, 0.34);
    transform: translateY(-2px);
}

a.bg-vbred:focus-visible,
button.bg-vbred:focus-visible {
    outline: 3px solid rgba(248, 250, 247, 0.54);
    outline-offset: 3px;
}

a.bg-vbred:active,
button.bg-vbred:active:not(:disabled) {
    box-shadow: 0 8px 20px rgba(230, 43, 39, 0.26);
    transform: translateY(0);
}

a.bg-vbred[target="_blank"] svg {
    transition: transform 200ms ease;
}

a.bg-vbred[target="_blank"]:hover svg,
a.bg-vbred[target="_blank"]:focus-visible svg {
    transform: translate(2px, -1px);
}

.underline[target="_blank"] svg {
    transition: transform 200ms ease;
}

.underline[target="_blank"]:hover svg,
.underline[target="_blank"]:focus-visible svg {
    transform: translate(2px, -1px);
}

.info-card {
    background: linear-gradient(180deg, rgba(23, 33, 37, 0.9), rgba(17, 25, 27, 0.94));
    border: 1px solid rgba(154, 167, 173, 0.16);
}

.countdown-grid {
    gap: 0.65rem;
}

.countdown-cell {
    position: relative;
    border: 1px solid rgba(248, 250, 247, 0.16);
    background: linear-gradient(180deg, rgba(17, 25, 27, 0.88), rgba(10, 16, 18, 0.88));
    border-radius: 10px;
    box-shadow: inset 0 1px 0 rgba(248, 250, 247, 0.08);
    padding: 0.85rem 0.45rem;
}

.countdown-cell::before {
    content: "";
    position: absolute;
    left: 8px;
    right: 8px;
    top: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(230, 43, 39, 0.55), rgba(215, 155, 70, 0.55));
}

.countdown-value {
    color: #f8faf7;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0;
    text-shadow: 0 0 14px rgba(248, 250, 247, 0.14);
}

.countdown-unit {
    color: rgba(154, 167, 173, 0.92);
    letter-spacing: 0.08em;
}

.partner-wall {
    background: #e5e7eb;
    border: 1px solid rgba(17, 25, 27, 0.12);
    border-radius: 10px;
    overflow: hidden;
}

.partner-slot {
    box-sizing: border-box;
    display: flex;
    min-height: 128px;
    min-width: 0;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 0.5rem;
    color: inherit;
    text-decoration: none;
    transition:
        background-color 200ms ease,
        box-shadow 200ms ease;
}

.partner-logo {
    display: block;
    filter: grayscale(1) saturate(0.15) brightness(0.92);
    height: auto;
    margin: 0 auto;
    max-height: 64px;
    max-width: 82%;
    object-fit: contain;
    opacity: 1;
    transition:
        filter 200ms ease,
        opacity 200ms ease,
        transform 200ms ease;
}

.partner-logo--qi-anxin {
    max-width: 84%;
}

.partner-logo--totalav {
    max-height: 46px;
    max-width: 66%;
}

.partner-slot:hover,
.partner-slot:focus-visible {
    background: rgba(255, 255, 255, 0.38);
    box-shadow: inset 0 0 0 1px rgba(17, 25, 27, 0.08);
}

.partner-slot:hover .partner-logo,
.partner-slot:focus-visible .partner-logo {
    filter: grayscale(0) saturate(1) brightness(1.04);
    opacity: 0.96;
    transform: translateY(-3px) scale(1.025);
}

.partner-slot:focus-visible {
    outline: 3px solid rgba(22, 131, 67, 0.58);
    outline-offset: -3px;
}

.partner-wordmark {
    color: #11191b;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.scroll-anchor-center {
    scroll-margin-top: 30vh;
}

@media (max-width: 768px) {
    .scroll-anchor-center {
        scroll-margin-top: 18vh;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}