.page-home {
    background: var(--navy-deep);
    color: var(--paper);
    overflow-x: clip;
}

/* ========== 首屏 ========== */
.page-home .p-home-hero {
    padding: clamp(1.5rem, 4vw, 3.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
    background:
        radial-gradient(circle at 82% 8%, rgba(122, 59, 255, 0.2), transparent 42%),
        linear-gradient(180deg, var(--navy-deep) 0%, #0E1738 100%);
    border-bottom: 1px solid var(--border-line);
}

.page-home .p-home-hero__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.page-home .p-home-breadcrumb {
    margin-bottom: 1rem;
}

.page-home .p-home-hero__tag {
    display: inline-block;
    margin-bottom: 1rem;
}

.page-home .p-home-hero__content h1 {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2rem, 8vw, 3.6rem);
    line-height: 1.16;
    letter-spacing: -0.03em;
    margin: 0;
    max-width: 13em;
}

.page-home .p-home-hero__lead {
    font-family: var(--font-editorial);
    font-weight: 600;
    font-size: clamp(1.02rem, 2.5vw, 1.3rem);
    line-height: 1.75;
    color: var(--gold-soft);
    max-width: 30em;
    margin: 1.25rem 0 0;
}

.page-home .p-home-hero__desc {
    color: var(--slate);
    font-size: 0.95rem;
    line-height: 1.75;
    max-width: 46em;
    margin: 0.75rem 0 0;
}

.page-home .p-home-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.page-home .p-home-hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin: 2rem 0 0;
    padding-top: 1rem;
    border-top: 1px solid var(--border-line);
}

.page-home .p-home-hero__stats div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.page-home .p-home-hero__stats dt {
    color: var(--slate);
    font-size: 0.8rem;
}

.page-home .p-home-hero__stats dd {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--cyan);
}

.page-home .p-home-hero__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    min-height: 340px;
    border: 1px solid rgba(245, 184, 46, 0.2);
    border-radius: var(--radius-panel);
    background:
        radial-gradient(circle at 70% 18%, rgba(122, 59, 255, 0.22), transparent 52%),
        linear-gradient(145deg, #0E1738 0%, var(--navy-deep) 100%);
    overflow: hidden;
}

.page-home .p-home-hero__visual::after {
    content: "";
    position: absolute;
    top: -1px;
    right: -1px;
    width: 64px;
    height: 64px;
    border-top: 3px solid var(--gold);
    border-right: 3px solid var(--gold);
    border-top-right-radius: 18px;
    z-index: 2;
}

.page-home .p-home-hero__mountains {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    display: block;
}

.page-home .p-home-hero__image {
    position: relative;
    z-index: 1;
    width: 84%;
    max-width: 480px;
    height: auto;
    margin: auto;
    border-radius: var(--radius-card);
    border: 1px solid rgba(245, 184, 46, 0.28);
    box-shadow: var(--shadow-card);
}

/* ========== 章节公共 ========== */
.page-home .p-home-chapter {
    position: relative;
    padding: clamp(3rem, 7vw, 5.5rem) 0;
    border-bottom: 1px solid var(--border-line);
}

.page-home .p-home-chapter__no {
    display: block;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(4rem, 14vw, 7.5rem);
    line-height: 0.9;
    letter-spacing: -0.05em;
    color: transparent;
    -webkit-text-stroke: 2px rgba(246, 243, 236, 0.16);
    margin-bottom: 0.75rem;
    user-select: none;
}

.page-home .p-home-chapter__no--band {
    -webkit-text-stroke-color: rgba(246, 243, 236, 0.12);
}

.page-home .p-home-chapter__head {
    margin-bottom: 1.25rem;
}

.page-home .p-home-chapter__kicker {
    margin: 0 0 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    color: var(--cyan);
    text-transform: uppercase;
}

.page-home .p-home-chapter__head h2 {
    margin: 0;
    font-family: var(--font-editorial);
    font-weight: 600;
    font-size: clamp(1.6rem, 4.5vw, 2.5rem);
    line-height: 1.3;
}

/* ========== 版本速览 ========== */
.page-home .p-home-chapter--survey {
    background:
        radial-gradient(circle at 88% 12%, rgba(34, 211, 238, 0.08), transparent 40%),
        var(--navy-deep);
}

.page-home .home-survey {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.page-home .home-survey__text {
    color: var(--slate);
    font-size: 0.95rem;
    line-height: 1.8;
}

.page-home .home-survey__list {
    list-style: none;
    margin: 1.25rem 0;
    padding: 0;
    display: grid;
    gap: 0.65rem;
}

.page-home .home-survey__point {
    color: var(--paper);
    font-weight: 600;
}

.page-home .p-home-survey__link {
    margin-top: 0.5rem;
}

.page-home .home-survey__figure {
    margin: 0;
}

.page-home .home-survey__figure img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-line);
}

/* ========== 三大入口 ========== */
.page-home .p-home-band {
    position: relative;
    padding: clamp(3rem, 7vw, 5.5rem) 0;
    border-bottom: 1px solid var(--border-line);
    background:
        linear-gradient(120deg, rgba(122, 59, 255, 0.16), transparent 58%),
        var(--navy-panel);
}

.page-home .p-home-entry {
    gap: 1.25rem;
}

.page-home .p-home-entry__card {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    padding: 1.4rem;
    min-height: 190px;
    text-decoration: none;
    color: var(--paper);
}

.page-home .p-home-entry__card:hover,
.page-home .p-home-entry__card:focus-visible {
    outline: none;
    box-shadow: var(--shadow-gold);
}

.page-home .p-home-entry__card p {
    color: var(--slate);
    font-size: 0.92rem;
    line-height: 1.7;
    margin: 0;
}

.page-home .p-home-entry__title {
    font-family: var(--font-editorial);
    font-weight: 600;
    font-size: 1.2rem;
    margin: 0;
}

.page-home .p-home-entry__more {
    margin-top: auto;
    color: var(--gold);
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(245, 184, 46, 0.4);
    align-self: flex-start;
}

.page-home .p-home-entry__visual {
    margin: 2rem auto 0;
    max-width: 340px;
}

.page-home .p-home-entry__visual img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-line);
}

/* ========== 回看集锦切换KY ========== */
.page-home .p-home-chapter--ky {
    background:
        radial-gradient(circle at 14% 24%, rgba(228, 67, 138, 0.12), transparent 38%),
        var(--navy-deep);
}

.page-home .home-ky {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.page-home .home-ky__intro {
    color: var(--slate);
    font-size: 0.95rem;
    line-height: 1.8;
}

.page-home .home-ky__list {
    list-style: none;
    margin: 1.25rem 0;
    padding: 0;
    display: grid;
    gap: 0.6rem;
}

.page-home .home-ky__list strong {
    color: var(--gold-soft);
}

.page-home .home-ky__tip {
    padding: 0.9rem 1rem;
    border-left: 3px solid var(--cyan);
    background: rgba(34, 211, 238, 0.08);
    color: var(--slate);
    font-size: 0.9rem;
    border-radius: 0 var(--radius-card) var(--radius-card) 0;
}

.page-home .ky-switcher {
    position: relative;
    width: 100%;
}

.page-home .ky-switcher input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    margin: 0;
    pointer-events: none;
}

.page-home .ky-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.page-home .ky-filter-bar label {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-line);
    border-radius: 999px;
    color: var(--slate);
    background: rgba(18, 27, 62, 0.7);
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color var(--t-fast), color var(--t-fast), background-color var(--t-fast);
}

.page-home .ky-switcher input#ky-filter-all:checked ~ .ky-filter-bar label[for="ky-filter-all"],
.page-home .ky-switcher input#ky-filter-final:checked ~ .ky-filter-bar label[for="ky-filter-final"],
.page-home .ky-switcher input#ky-filter-clutch:checked ~ .ky-filter-bar label[for="ky-filter-clutch"] {
    border-color: var(--gold);
    color: var(--gold-soft);
    background: rgba(245, 184, 46, 0.1);
    font-weight: 600;
}

.page-home .ky-switcher input#ky-filter-all:focus-visible ~ .ky-filter-bar label[for="ky-filter-all"],
.page-home .ky-switcher input#ky-filter-final:focus-visible ~ .ky-filter-bar label[for="ky-filter-final"],
.page-home .ky-switcher input#ky-filter-clutch:focus-visible ~ .ky-filter-bar label[for="ky-filter-clutch"] {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

.page-home .ky-viewer {
    position: relative;
    border: 1px solid var(--border-line);
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--navy-panel);
}

.page-home .ky-panel {
    display: none;
    width: 100%;
    height: auto;
}

.page-home .ky-switcher input#ky-filter-all:checked ~ .ky-viewer .ky-panel--all,
.page-home .ky-switcher input#ky-filter-final:checked ~ .ky-viewer .ky-panel--final,
.page-home .ky-switcher input#ky-filter-clutch:checked ~ .ky-viewer .ky-panel--clutch {
    display: block;
}

/* ========== 栏目下载进度 ========== */
.page-home .p-home-chapter--download {
    background:
        linear-gradient(160deg, rgba(245, 184, 46, 0.1), transparent 42%),
        var(--navy-panel);
}

.page-home .p-home-download {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: center;
}

.page-home .p-home-download__main {
    color: var(--slate);
    font-size: 0.95rem;
    line-height: 1.8;
}

.page-home .p-home-download__bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin: 1.2rem 0 1.5rem;
}

.page-home .p-home-download__bar-item {
    display: inline-block;
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--border-line);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--slate);
    background: rgba(18, 27, 62, 0.6);
}

.page-home .p-home-download__bar-item.is-done {
    color: var(--navy-deep);
    background: var(--gold);
    border-color: var(--gold);
    font-weight: 700;
}

.page-home .p-home-download__aside {
    padding: 1.25rem;
    border: 1px solid rgba(122, 59, 255, 0.4);
    border-radius: var(--radius-panel);
    background: rgba(122, 59, 255, 0.1);
}

.page-home .p-home-download__aside dl {
    margin: 1rem 0 0;
    display: grid;
    gap: 0.6rem;
}

.page-home .p-home-download__aside dl > div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: baseline;
}

.page-home .p-home-download__aside dt {
    color: var(--slate);
    font-size: 0.85rem;
}

.page-home .p-home-download__aside dd {
    margin: 0;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--cyan);
}

/* ========== 数据档案 ========== */
.page-home .p-home-chapter--archive {
    background:
        radial-gradient(circle at 82% 14%, rgba(34, 211, 238, 0.1), transparent 42%),
        radial-gradient(circle at 12% 70%, rgba(122, 59, 255, 0.12), transparent 40%),
        var(--navy-deep);
    border-bottom: none;
}

.page-home .p-home-archive {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.page-home .p-home-archive__side {
    color: var(--slate);
    font-size: 0.95rem;
    line-height: 1.8;
}

.page-home .p-home-archive__links {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1.25rem;
}

.page-home .p-home-archive__links a {
    color: var(--gold);
    text-decoration: none;
    padding-bottom: 2px;
    border-bottom: 1px solid rgba(245, 184, 46, 0.4);
    width: max-content;
}

.page-home .p-home-archive__links a:hover,
.page-home .p-home-archive__links a:focus-visible {
    color: var(--gold-soft);
    border-bottom-color: var(--gold-soft);
}

.page-home .p-home-archive__data {
    border-top: 1px solid var(--border-line);
}

.page-home .data-row {
    padding: 0.8rem 0;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(42, 62, 117, 0.7);
}

.page-home .data-row:last-of-type {
    border-bottom: none;
}

.page-home .p-home-archive__note {
    margin: 1rem 0 0;
    padding: 0.8rem 1rem;
    border-left: 3px solid var(--gold);
    background: rgba(245, 184, 46, 0.08);
    color: var(--slate);
    font-size: 0.88rem;
    line-height: 1.7;
    border-radius: 0 var(--radius-card) var(--radius-card) 0;
}

/* ========== 图注 ========== */
.page-home figure {
    margin: 0;
}

.page-home figcaption {
    margin-top: 0.5rem;
    color: var(--slate);
    font-size: 0.82rem;
    font-family: var(--font-mono);
    text-align: center;
}

/* ========== 桌面端 ========== */
@media (min-width: 860px) {
    .page-home .p-home-hero {
        padding-top: 4rem;
    }

    .page-home .p-home-hero__grid {
        grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
        gap: 3rem;
    }

    .page-home .p-home-hero__actions .btn + .btn {
        margin-left: 0;
    }

    .page-home .p-home-hero__visual {
        min-height: 420px;
        padding: 2rem;
    }

    .page-home .p-home-chapter {
        padding-left: var(--space-pad);
    }

    .page-home .p-home-chapter__no {
        position: absolute;
        left: 0.25rem;
        top: 4.5rem;
        font-size: 9rem;
        margin: 0;
    }

    .page-home .p-home-chapter__head {
        margin-left: 6.5rem;
    }

    .page-home .p-home-band {
        padding-left: var(--space-pad);
    }

    .page-home .p-home-band .p-home-chapter__no {
        position: absolute;
        left: 0.25rem;
        top: 4.5rem;
        font-size: 9rem;
        margin: 0;
    }

    .page-home .p-home-band .p-home-chapter__head {
        margin-left: 6.5rem;
    }

    .page-home .home-survey {
        grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
        gap: 2.5rem;
        align-items: center;
        margin-left: 6.5rem;
    }

    .page-home .p-home-entry {
        margin-left: 6.5rem;
    }

    .page-home .p-home-entry__visual {
        margin: 2rem 0 0 auto;
    }

    .page-home .home-ky {
        grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
        gap: 2.5rem;
        align-items: start;
        margin-left: 6.5rem;
    }

    .page-home .p-home-download {
        grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
        gap: 2.5rem;
        margin-left: 6.5rem;
    }

    .page-home .p-home-archive {
        grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
        gap: 2.5rem;
        margin-left: 6.5rem;
    }

    .page-home .p-home-archive__data {
        border-top: none;
    }

    .page-home .p-home-archive__note {
        margin-top: 1.5rem;
    }
}