@charset "UTF-8";

:root {
    --feature-bg: #f5f6f8;
    --feature-surface: #ffffff;
    --feature-surface-soft: #f9fafc;
    --feature-text: #151923;
    --feature-body: #5f6675;
    --feature-muted: #8a91a0;
    --feature-line: #e7eaf0;
    --feature-line-strong: #d9dee8;
    --feature-blue: #3978f6;
    --feature-blue-strong: #245ed4;
    --feature-blue-soft: #edf4ff;
    --feature-green: #15966a;
    --feature-green-soft: #eaf8f2;
    --feature-violet: #7657df;
    --feature-violet-soft: #f2efff;
    --feature-shadow: 0 18px 50px rgba(20, 29, 52, 0.08);
}

html[data-theme="dark"] {
    --feature-bg: #111318;
    --feature-surface: #191c23;
    --feature-surface-soft: #20242c;
    --feature-text: #f4f6fb;
    --feature-body: #c1c7d2;
    --feature-muted: #929aa8;
    --feature-line: #303640;
    --feature-line-strong: #444b59;
    --feature-blue: #79a4ff;
    --feature-blue-strong: #a9c4ff;
    --feature-blue-soft: rgba(86, 133, 235, 0.16);
    --feature-green: #6bd5ae;
    --feature-green-soft: rgba(55, 176, 131, 0.14);
    --feature-violet: #b2a1ff;
    --feature-violet-soft: rgba(135, 105, 238, 0.17);
    --feature-shadow: 0 22px 58px rgba(0, 0, 0, 0.32);
}

.public-features-page,
.public-features-page * {
    box-sizing: border-box;
}

body.public-features-page {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 78% -80px, rgba(57, 120, 246, 0.11), transparent 390px),
        var(--feature-bg);
    color: var(--feature-text);
    font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.public-features-page a {
    color: inherit;
    text-decoration: none;
}

.public-features-page button {
    color: inherit;
    font: inherit;
}

.public-features-page svg {
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.public-features-shell {
    width: calc(100% - var(--community-sidebar-width));
    max-width: 1540px;
    min-height: calc(100vh - var(--frontend-topbar-height));
    margin-left: var(--community-sidebar-width);
    padding: 34px clamp(22px, 3vw, 54px) 90px;
    transition: width 180ms ease, margin-left 180ms ease;
}

.public-features-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(360px, 0.72fr);
    gap: clamp(28px, 4vw, 70px);
    align-items: stretch;
    overflow: hidden;
    border: 1px solid var(--feature-line);
    border-radius: 30px;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--feature-surface) 94%, var(--feature-blue-soft)), var(--feature-surface) 62%),
        var(--feature-surface);
    box-shadow: var(--feature-shadow);
    padding: clamp(30px, 4vw, 62px);
}

.public-features-hero::before,
.public-features-hero::after {
    position: absolute;
    border-radius: 50%;
    content: "";
    pointer-events: none;
}

.public-features-hero::before {
    width: 310px;
    height: 310px;
    right: -112px;
    top: -156px;
    background: rgba(57, 120, 246, 0.12);
}

.public-features-hero::after {
    width: 190px;
    height: 190px;
    right: 31%;
    bottom: -148px;
    border: 42px solid rgba(118, 87, 223, 0.07);
}

.public-features-hero-copy,
.public-features-overview {
    position: relative;
    z-index: 1;
}

.public-features-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
    color: var(--feature-muted);
    font-size: 13px;
    font-weight: 650;
}

.public-features-breadcrumb a:hover {
    color: var(--feature-blue);
}

.public-features-eyebrow,
.public-features-section-head > div > span,
.public-features-boundary > div:nth-child(2) > span {
    display: block;
    color: var(--feature-blue);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: 0.14em;
}

.public-features-hero h1 {
    max-width: 760px;
    margin: 12px 0 20px;
    color: var(--feature-text);
    font-size: clamp(38px, 5vw, 68px);
    font-weight: 900;
    line-height: 1.06;
    letter-spacing: -0.052em;
}

.public-features-lead {
    max-width: 790px;
    margin: 0;
    color: var(--feature-body);
    font-size: clamp(16px, 1.45vw, 19px);
    line-height: 1.85;
}

.public-features-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-top: 25px;
    color: var(--feature-body);
    font-size: 13px;
    font-weight: 700;
}

.public-features-legend span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.public-features-legend i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--feature-green);
    box-shadow: 0 0 0 4px var(--feature-green-soft);
}

.public-features-legend .is-auth i {
    background: var(--feature-violet);
    box-shadow: 0 0 0 4px var(--feature-violet-soft);
}

.public-features-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.public-features-primary-action,
.public-features-secondary-action {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 21px;
    border: 1px solid transparent;
    border-radius: 13px;
    font-size: 14px;
    font-weight: 800;
    transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.public-features-primary-action {
    background: var(--feature-blue);
    color: #fff !important;
    box-shadow: 0 12px 24px rgba(57, 120, 246, 0.22);
}

.public-features-secondary-action {
    border-color: var(--feature-line-strong);
    background: var(--feature-surface);
}

.public-features-primary-action:hover,
.public-features-secondary-action:hover {
    transform: translateY(-2px);
}

.public-features-secondary-action:hover {
    border-color: var(--feature-blue);
    color: var(--feature-blue);
}

.public-features-overview {
    align-self: center;
    border: 1px solid color-mix(in srgb, var(--feature-blue) 26%, var(--feature-line));
    border-radius: 24px;
    background: color-mix(in srgb, var(--feature-surface) 88%, transparent);
    box-shadow: 0 18px 44px rgba(35, 53, 91, 0.1);
    padding: 25px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.public-features-overview-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--feature-line);
}

.public-features-overview-head span {
    color: var(--feature-body);
    font-size: 14px;
    font-weight: 750;
}

.public-features-overview-head strong {
    color: var(--feature-blue);
    font-size: 46px;
    line-height: 1;
    letter-spacing: -0.05em;
}

.public-features-stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
}

.public-features-stat-grid article {
    min-height: 98px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid var(--feature-line);
    border-radius: 16px;
    background: var(--feature-surface-soft);
    padding: 15px;
}

.public-features-stat-grid strong {
    color: var(--feature-text);
    font-size: 26px;
    line-height: 1.1;
}

.public-features-stat-grid span {
    margin-top: 7px;
    color: var(--feature-muted);
    font-size: 12px;
    line-height: 1.45;
}

.public-features-overview > p {
    margin: 17px 2px 0;
    color: var(--feature-muted);
    font-size: 12px;
    line-height: 1.7;
}

.public-features-section-nav {
    position: sticky;
    z-index: 20;
    top: calc(var(--frontend-topbar-height) + 12px);
    display: flex;
    gap: 8px;
    margin: 24px 0 0;
    overflow-x: auto;
    padding: 8px;
    border: 1px solid var(--feature-line);
    border-radius: 16px;
    background: color-mix(in srgb, var(--feature-surface) 92%, transparent);
    box-shadow: 0 8px 30px rgba(20, 29, 52, 0.06);
    scrollbar-width: none;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.public-features-section-nav::-webkit-scrollbar {
    display: none;
}

.public-features-section-nav a {
    min-height: 42px;
    display: inline-flex;
    flex: 1 0 auto;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 18px;
    border-radius: 11px;
    color: var(--feature-body);
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
    transition: background-color 160ms ease, color 160ms ease;
}

.public-features-section-nav a span {
    color: var(--feature-muted);
    font-size: 10px;
    letter-spacing: 0.11em;
}

.public-features-section-nav a:hover,
.public-features-section-nav a.is-active {
    background: var(--feature-blue-soft);
    color: var(--feature-blue);
}

.public-features-section {
    scroll-margin-top: 138px;
    padding-top: clamp(62px, 7vw, 92px);
}

.public-features-section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 34px;
    margin-bottom: 24px;
}

.public-features-section-head h2 {
    margin: 8px 0 0;
    color: var(--feature-text);
    font-size: clamp(27px, 3vw, 38px);
    line-height: 1.18;
    letter-spacing: -0.035em;
}

.public-features-section-head > p {
    max-width: 520px;
    margin: 0;
    color: var(--feature-body);
    font-size: 14px;
    text-align: right;
}

.public-features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.public-feature-card {
    position: relative;
    min-width: 0;
    min-height: 350px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--feature-line);
    border-radius: 22px;
    background: var(--feature-surface);
    padding: 24px;
    box-shadow: 0 7px 24px rgba(20, 29, 52, 0.045);
    transition: transform 190ms ease, border-color 190ms ease, box-shadow 190ms ease;
}

.public-feature-card::before {
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: var(--feature-violet);
    content: "";
    opacity: 0.72;
}

.public-feature-card.is-public::before,
.public-feature-card.is-mixed::before {
    background: var(--feature-green);
}

.public-feature-card.is-featured {
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--feature-blue-soft) 62%, var(--feature-surface)), var(--feature-surface) 45%),
        var(--feature-surface);
}

.public-feature-card:hover {
    border-color: color-mix(in srgb, var(--feature-blue) 44%, var(--feature-line));
    box-shadow: 0 20px 48px rgba(20, 29, 52, 0.1);
    transform: translateY(-4px);
}

.public-feature-card-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.public-feature-icon {
    width: 46px;
    height: 46px;
    display: grid;
    flex: 0 0 46px;
    place-items: center;
    border-radius: 14px;
    background: var(--feature-blue-soft);
    color: var(--feature-blue);
}

.public-feature-icon svg {
    width: 23px;
    height: 23px;
}

.public-feature-access {
    display: inline-flex;
    align-items: center;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 5px 9px;
    font-size: 11px;
    font-weight: 800;
    line-height: 1.3;
    text-align: center;
}

.public-feature-access.is-public,
.public-feature-access.is-mixed {
    border-color: color-mix(in srgb, var(--feature-green) 25%, transparent);
    background: var(--feature-green-soft);
    color: var(--feature-green);
}

.public-feature-access.is-auth {
    border-color: color-mix(in srgb, var(--feature-violet) 24%, transparent);
    background: var(--feature-violet-soft);
    color: var(--feature-violet);
}

.public-feature-card-copy {
    margin-top: 23px;
}

.public-feature-card h3 {
    margin: 0;
    color: var(--feature-text);
    font-size: 21px;
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.public-feature-card-copy p {
    margin: 12px 0 0;
    color: var(--feature-body);
    font-size: 14px;
    line-height: 1.78;
}

.public-feature-metric {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 19px;
    color: var(--feature-text);
    font-size: 13px;
    font-weight: 800;
}

.public-feature-metric i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--feature-green);
    box-shadow: 0 0 0 4px var(--feature-green-soft);
}

.public-feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.public-feature-tags li {
    border: 1px solid var(--feature-line);
    border-radius: 999px;
    background: var(--feature-surface-soft);
    padding: 5px 9px;
    color: var(--feature-muted);
    font-size: 11px;
    font-weight: 700;
}

.public-feature-card-action {
    margin-top: auto;
    padding-top: 24px;
}

.public-feature-card-action a,
.public-feature-card-action button {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--feature-blue);
    cursor: pointer;
    font-size: 13px;
    font-weight: 850;
}

.public-feature-card-action svg {
    width: 17px;
    height: 17px;
    transition: transform 160ms ease;
}

.public-feature-card-action a:hover svg,
.public-feature-card-action button:hover svg {
    transform: translateX(4px);
}

.public-features-boundary {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 20px;
    align-items: center;
    margin-top: clamp(64px, 7vw, 94px);
    border: 1px solid color-mix(in srgb, var(--feature-green) 22%, var(--feature-line));
    border-radius: 24px;
    background: linear-gradient(135deg, var(--feature-green-soft), var(--feature-surface) 56%);
    padding: clamp(24px, 3vw, 38px);
}

.public-features-boundary-icon {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: var(--feature-surface);
    color: var(--feature-green);
    box-shadow: 0 8px 24px rgba(20, 29, 52, 0.08);
}

.public-features-boundary-icon svg {
    width: 26px;
    height: 26px;
}

.public-features-boundary h2 {
    margin: 6px 0 5px;
    color: var(--feature-text);
    font-size: clamp(20px, 2vw, 27px);
    line-height: 1.32;
}

.public-features-boundary p {
    margin: 0;
    color: var(--feature-body);
    font-size: 13px;
    line-height: 1.75;
}

.public-features-boundary button {
    min-height: 44px;
    border: 1px solid color-mix(in srgb, var(--feature-green) 28%, var(--feature-line));
    border-radius: 12px;
    background: var(--feature-surface);
    color: var(--feature-green);
    cursor: pointer;
    padding: 0 16px;
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
}

.public-features-page :where(a, button):focus-visible {
    outline: 2px solid var(--feature-blue);
    outline-offset: 3px;
}

@media (max-width: 1180px) {
    .public-features-hero {
        grid-template-columns: 1fr;
    }

    .public-features-overview {
        width: 100%;
    }

    .public-features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .public-features-shell {
        width: 100%;
        margin-left: 0;
        padding: 22px 16px calc(var(--frontend-mobile-nav-height, 70px) + 38px);
    }

    .public-features-hero {
        border-radius: 24px;
        padding: 30px 22px;
    }

    .public-features-breadcrumb {
        margin-bottom: 20px;
    }

    .public-features-section-nav {
        top: calc(var(--frontend-topbar-height) + 8px);
        margin-top: 16px;
    }

    .public-features-section {
        scroll-margin-top: 132px;
    }
}

@media (max-width: 680px) {
    .public-features-hero h1 {
        font-size: clamp(36px, 12vw, 48px);
    }

    .public-features-lead {
        font-size: 15px;
        line-height: 1.78;
    }

    .public-features-hero-actions,
    .public-features-primary-action,
    .public-features-secondary-action {
        width: 100%;
    }

    .public-features-stat-grid {
        grid-template-columns: 1fr 1fr;
    }

    .public-features-section-head {
        display: block;
    }

    .public-features-section-head > p {
        margin-top: 12px;
        text-align: left;
    }

    .public-features-grid {
        grid-template-columns: 1fr;
    }

    .public-feature-card {
        min-height: 0;
    }

    .public-features-boundary {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .public-features-boundary button {
        grid-column: 1 / -1;
        width: 100%;
    }
}

@media (max-width: 430px) {
    .public-features-shell {
        padding-right: 12px;
        padding-left: 12px;
    }

    .public-features-hero {
        padding: 26px 18px;
    }

    .public-features-stat-grid {
        grid-template-columns: 1fr;
    }

    .public-features-stat-grid article {
        min-height: 82px;
    }

    .public-features-section-nav a {
        padding: 0 14px;
    }

    .public-feature-card {
        border-radius: 19px;
        padding: 21px;
    }

    .public-feature-card-topline {
        align-items: flex-start;
    }

    .public-feature-access {
        max-width: 142px;
    }

    .public-features-boundary {
        display: block;
    }

    .public-features-boundary-icon {
        margin-bottom: 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .public-feature-card,
    .public-feature-card-action svg,
    .public-features-primary-action,
    .public-features-secondary-action {
        transition: none;
    }
}