:root {
    color-scheme: dark;
    --bg: #07111f;
    --text: #f5f7fb;
    --muted: #9aa9bc;
    --line: rgba(255, 255, 255, .1);
    --ai: #7c5cff;
    --ai-light: #b8a6ff;
    --publish: #16c7b7;
    --publish-light: #8af3e8;
    font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-width: 320px;
    min-height: 100%;
    margin: 0;
}

body {
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

.portal-shell {
    position: relative;
    display: grid;
    min-height: 100vh;
    min-height: 100svh;
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(circle at 50% -20%, rgba(86, 115, 170, .17), transparent 42%),
        linear-gradient(150deg, #081423 0%, #050c16 54%, #07111f 100%);
}

.grid-glow {
    position: absolute;
    z-index: -3;
    inset: 0;
    opacity: .34;
    background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 58px 58px;
    mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.ambient {
    position: absolute;
    z-index: -2;
    width: 42vw;
    height: 42vw;
    border-radius: 50%;
    filter: blur(100px);
    opacity: .18;
    animation: ambient-float 11s ease-in-out infinite alternate;
}

.ambient--one {
    top: -25vw;
    left: -8vw;
    background: var(--ai);
}

.ambient--two {
    right: -18vw;
    bottom: -28vw;
    background: var(--publish);
    animation-delay: -5s;
}

.pointer-glow {
    position: absolute;
    z-index: -1;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    opacity: .11;
    transform: translate3d(calc(var(--pointer-x, 50vw) - 50%), calc(var(--pointer-y, 50vh) - 50%), 0);
    background: radial-gradient(circle, rgba(182, 206, 255, .9), transparent 66%);
    pointer-events: none;
    transition: opacity .25s ease;
}

.portal-content {
    width: min(1180px, calc(100% - 48px));
    margin: auto;
    padding: 56px 0 34px;
}

.hero {
    position: relative;
    max-width: 760px;
    margin: 0 auto 42px;
    text-align: center;
    animation: rise-in .8s cubic-bezier(.2, .7, .2, 1) both;
}

.brand-mark {
    position: absolute;
    top: 4px;
    left: -52px;
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
}

.brand-mark__core {
    position: relative;
    z-index: 1;
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 10px;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    background: rgba(255, 255, 255, .08);
    box-shadow: inset 0 0 16px rgba(255, 255, 255, .08);
}

.brand-mark__orbit {
    position: absolute;
    inset: 1px;
    border: 1px solid rgba(139, 117, 255, .45);
    border-radius: 50%;
    animation: orbit 8s linear infinite;
}

.brand-mark__orbit::after {
    position: absolute;
    top: 2px;
    left: 6px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--publish-light);
    box-shadow: 0 0 10px var(--publish);
    content: "";
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 17px;
    color: #b6c3d4;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .22em;
}

.eyebrow span {
    width: 7px;
    height: 7px;
    border: 1px solid var(--publish-light);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(22, 199, 183, .8);
}

.hero h1 {
    margin: 0;
    font-size: clamp(34px, 4.6vw, 64px);
    font-weight: 300;
    line-height: 1.13;
    letter-spacing: -.045em;
}

.hero h1 strong {
    font-weight: 650;
    background: linear-gradient(100deg, #ffffff 15%, #aa9bff 52%, #73e7da 88%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__description {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

.portal-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.portal-card {
    --card-accent: var(--ai);
    --card-accent-light: var(--ai-light);
    position: relative;
    display: flex;
    min-height: 360px;
    padding: 25px 28px 26px;
    overflow: hidden;
    transform: perspective(900px) rotateX(var(--rotate-x, 0deg)) rotateY(var(--rotate-y, 0deg)) translateY(0);
    transform-style: preserve-3d;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: 24px;
    outline: none;
    color: inherit;
    background:
        radial-gradient(circle at 84% 17%, color-mix(in srgb, var(--card-accent) 18%, transparent), transparent 30%),
        linear-gradient(145deg, rgba(255, 255, 255, .075), rgba(255, 255, 255, .022));
    box-shadow: 0 28px 80px rgba(0, 0, 0, .22), inset 0 1px rgba(255, 255, 255, .05);
    text-decoration: none;
    transition: transform .35s cubic-bezier(.2, .7, .2, 1), border-color .35s ease, box-shadow .35s ease;
    animation: fade-in .8s .12s ease both;
    will-change: transform;
}

.portal-card--publish {
    --card-accent: var(--publish);
    --card-accent-light: var(--publish-light);
    animation-delay: .22s;
}

a.portal-card:hover,
a.portal-card:focus-visible {
    transform: perspective(900px) rotateX(var(--rotate-x, 0deg)) rotateY(var(--rotate-y, 0deg)) translateY(-7px);
    border-color: color-mix(in srgb, var(--card-accent) 55%, rgba(255, 255, 255, .25));
    box-shadow: 0 34px 90px rgba(0, 0, 0, .34), 0 0 42px color-mix(in srgb, var(--card-accent) 12%, transparent);
}

a.portal-card:focus-visible {
    outline: 2px solid var(--card-accent-light);
    outline-offset: 4px;
}

.portal-card::before {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: .45;
    background: linear-gradient(115deg, color-mix(in srgb, var(--card-accent) 13%, transparent), transparent 28%);
    content: "";
    pointer-events: none;
}

.portal-card::after {
    position: absolute;
    right: -52px;
    bottom: -75px;
    width: 180px;
    height: 180px;
    border: 1px solid color-mix(in srgb, var(--card-accent) 18%, transparent);
    border-radius: 50%;
    box-shadow:
        0 0 0 24px color-mix(in srgb, var(--card-accent) 5%, transparent),
        0 0 0 58px color-mix(in srgb, var(--card-accent) 3%, transparent);
    content: "";
}

.portal-card__shine {
    position: absolute;
    z-index: 1;
    inset: 0;
    opacity: 0;
    background: radial-gradient(circle at var(--shine-x, 50%) var(--shine-y, 50%), rgba(255, 255, 255, .13), transparent 28%);
    transition: opacity .25s ease;
    pointer-events: none;
}

.portal-card:hover .portal-card__shine {
    opacity: 1;
}

.portal-card__topline,
.portal-card__body,
.portal-card__action,
.portal-card__icon {
    position: relative;
    z-index: 2;
}

.portal-card__topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.portal-card__number {
    color: rgba(255, 255, 255, .34);
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-size: 12px;
    letter-spacing: .16em;
}

.portal-card__status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #c6d0de;
    font-size: 12px;
}

.portal-card__status i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--card-accent-light);
    box-shadow: 0 0 12px var(--card-accent);
}

.portal-card__icon {
    display: grid;
    width: 72px;
    height: 72px;
    margin: 29px 0 22px;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--card-accent) 42%, rgba(255, 255, 255, .1));
    border-radius: 22px;
    color: #fff;
    background: color-mix(in srgb, var(--card-accent) 17%, rgba(255, 255, 255, .035));
    box-shadow: inset 0 0 24px color-mix(in srgb, var(--card-accent) 12%, transparent), 0 14px 30px rgba(0, 0, 0, .18);
}

.portal-card__icon > span {
    font-size: 19px;
    font-weight: 750;
    letter-spacing: -.04em;
}

.spark {
    position: absolute;
    color: var(--ai-light);
    font-style: normal;
    animation: twinkle 2.5s ease-in-out infinite;
}

.spark--one {
    top: -8px;
    right: -6px;
    font-size: 17px;
}

.spark--two {
    right: 2px;
    bottom: 2px;
    font-size: 8px;
    animation-delay: -1.2s;
}

.signal {
    position: absolute;
    border: 1px solid var(--publish-light);
    border-bottom-color: transparent;
    border-left-color: transparent;
    border-radius: 50%;
    transform: rotate(-45deg);
    opacity: .5;
}

.signal--one {
    top: -8px;
    right: -8px;
    width: 28px;
    height: 28px;
    animation: signal 2.2s ease-out infinite;
}

.signal--two {
    top: -14px;
    right: -14px;
    width: 40px;
    height: 40px;
    animation: signal 2.2s .65s ease-out infinite;
}

.portal-card__body {
    max-width: 440px;
}

.portal-card__en {
    margin: 0 0 6px !important;
    color: var(--card-accent-light) !important;
    font-size: 10px !important;
    font-weight: 700;
    letter-spacing: .19em;
}

.portal-card h2 {
    margin: 0 0 10px;
    font-size: clamp(22px, 2.1vw, 29px);
    font-weight: 620;
    letter-spacing: -.025em;
}

.portal-card__body > p:last-child {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.75;
}

.portal-card__action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    color: #dce4ee;
    font-size: 13px;
    font-weight: 600;
}

.portal-card__action i {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border: 1px solid color-mix(in srgb, var(--card-accent) 28%, rgba(255, 255, 255, .1));
    border-radius: 50%;
    color: var(--card-accent-light);
    font-size: 17px;
    font-style: normal;
    background: color-mix(in srgb, var(--card-accent) 9%, transparent);
    transition: transform .3s ease, background .3s ease;
}

a.portal-card:hover .portal-card__action i {
    transform: rotate(12deg) scale(1.08);
    background: color-mix(in srgb, var(--card-accent) 18%, transparent);
}

.portal-card--disabled {
    opacity: .56;
    filter: saturate(.5);
}

.portal-card--disabled .portal-card__status i {
    background: #748095;
    box-shadow: none;
}

.portal-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 27px;
    color: rgba(181, 194, 211, .54);
    font-size: 9px;
    font-weight: 650;
    letter-spacing: .17em;
    animation: rise-in .8s .32s cubic-bezier(.2, .7, .2, 1) both;
}

.portal-footer__line {
    width: 38px;
    height: 1px;
    background: rgba(255, 255, 255, .15);
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes ambient-float {
    to {
        transform: translate3d(8vw, 4vw, 0) scale(1.12);
    }
}

@keyframes orbit {
    to {
        transform: rotate(360deg);
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: .35;
        transform: scale(.7) rotate(0);
    }
    50% {
        opacity: 1;
        transform: scale(1.08) rotate(20deg);
    }
}

@keyframes signal {
    0% {
        opacity: 0;
        transform: rotate(-45deg) scale(.55);
    }
    35% {
        opacity: .7;
    }
    100% {
        opacity: 0;
        transform: rotate(-45deg) scale(1.18);
    }
}

@media (max-width: 860px) {
    .portal-content {
        width: min(640px, calc(100% - 32px));
        padding-top: 42px;
    }

    .brand-mark {
        position: relative;
        top: auto;
        left: auto;
        margin: 0 auto 18px;
    }

    .hero {
        margin-bottom: 30px;
    }

    .portal-grid {
        grid-template-columns: 1fr;
    }

    .portal-card {
        min-height: 330px;
    }
}

@media (max-width: 520px) {
    .portal-content {
        width: calc(100% - 24px);
        padding: 28px 0 24px;
    }

    .hero h1 {
        font-size: 34px;
    }

    .hero__description {
        padding: 0 12px;
        font-size: 14px;
    }

    .portal-card {
        min-height: 340px;
        padding: 22px;
        border-radius: 20px;
    }

    .portal-footer {
        gap: 9px;
        letter-spacing: .1em;
    }

    .portal-footer__line {
        width: 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }

    .pointer-glow {
        display: none;
    }
}

@supports not (background: color-mix(in srgb, white, black)) {
    .portal-card {
        background: linear-gradient(145deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .025));
    }
}