/* =============================================================
 * home.css — 主页
 * 只有一个主张和一个按钮，别加别的。
 * ============================================================= */

body.home {
    display: flex;
    flex-direction: column;
    background: #FCFBFE;
    overflow: hidden;
}

.home-topbar {
    background: transparent;
    border-bottom: 0;
    position: absolute;
    inset: 0 0 auto 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.home-main {
    flex: 1;
    display: grid;
    place-items: center;
    position: relative;
    padding: 80px 24px 40px;
    overflow: hidden;
}

/* 柔和光晕 */
.home-glow {
    position: absolute;
    width: min(880px, 120vw);
    height: min(880px, 120vw);
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 50%, rgba(108, 76, 241, .13) 0%, rgba(108, 76, 241, .05) 38%, transparent 66%);
    filter: blur(6px);
    pointer-events: none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -54%);
}

/* 点阵底纹 */
.home-main::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(20, 22, 26, .07) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: radial-gradient(circle at 50% 46%, #000 0%, transparent 62%);
    -webkit-mask-image: radial-gradient(circle at 50% 46%, #000 0%, transparent 62%);
    pointer-events: none;
}

.home-content {
    position: relative;
    text-align: center;
    max-width: 620px;
    animation: home-in .7s var(--ease-out) both;
}

@keyframes home-in {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.home-title {
    font-size: clamp(2rem, 5.4vw, 3.45rem);
    line-height: 1.16;
    font-weight: 800;
    letter-spacing: -.035em;
    color: var(--ink);
    margin-bottom: 20px;
}

.home-sub {
    font-size: clamp(.92rem, 1.6vw, 1.05rem);
    color: var(--ink-3);
    letter-spacing: .16em;
    margin-bottom: 42px;
    font-weight: 500;
}

/* 主按钮 */
.home-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    height: 56px;
    padding: 0 34px;
    border-radius: var(--r-md);
    background: var(--brand);
    color: #fff;
    font-size: 16.5px;
    font-weight: 650;
    letter-spacing: .01em;
    box-shadow: 0 8px 26px rgba(108, 76, 241, .32), 0 2px 6px rgba(108, 76, 241, .2);
    transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}

.home-cta svg {
    transition: transform .22s var(--ease);
}

.home-cta:hover {
    background: var(--brand-hover);
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(108, 76, 241, .38), 0 3px 10px rgba(108, 76, 241, .24);
}

.home-cta:hover svg {
    transform: translateX(4px);
}

.home-cta:active {
    transform: translateY(0);
}

.home-note {
    margin-top: 22px;
    font-size: 12.5px;
    color: var(--ink-4);
}

/* 右下角像素装饰 */
.home-deco {
    position: absolute;
    right: 6%;
    bottom: 8%;
    display: grid;
    grid-template-columns: repeat(3, 15px);
    gap: 5px;
    opacity: .8;
    pointer-events: none;
}

.home-deco span {
    width: 15px;
    height: 15px;
    border-radius: 3px;
    background: var(--brand);
    opacity: calc(.1 + var(--i) * .085);
    animation: deco-float 5.5s var(--ease) infinite;
    animation-delay: calc(var(--i) * .13s);
}

.home-deco span:nth-child(5) {
    background: #F0A93C;
}

@keyframes deco-float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

@media (max-width: 640px) {
    .home-main {
        padding: 96px 22px 60px;
    }

    .home-sub {
        letter-spacing: .1em;
        margin-bottom: 34px;
    }

    .home-cta {
        height: 52px;
        padding: 0 28px;
        font-size: 15.5px;
    }

    .home-deco {
        display: none;
    }
}