:root {
    --download-bg: #07111f;
    --download-surface: #102139;
    --download-surface-strong: #152b48;
    --download-border: rgba(143, 203, 236, .22);
    --download-text: #edf7ff;
    --download-muted: #9db2c7;
    --download-cyan: #36c9ed;
    --download-mint: #37d8a7;
    --download-blue: #3977f6;
    --download-amber: #f0b84b;
    --download-red: #e84e56;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--download-bg);
}

body.download-page {
    min-height: 100vh;
    margin: 0;
    background-color: var(--download-bg);
    background-image:
        linear-gradient(rgba(54, 201, 237, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(54, 201, 237, .035) 1px, transparent 1px);
    background-size: 48px 48px;
    color: var(--download-text);
    font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
    letter-spacing: 0;
}

a {
    color: inherit;
}

.download-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--download-border);
    background: rgba(7, 17, 31, .94);
    backdrop-filter: blur(16px);
}

.download-header-inner,
.download-main,
.download-footer {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.download-header-inner {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.download-brand {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.download-brand img {
    flex: 0 0 46px;
    border-radius: 8px;
}

.download-brand span {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.download-brand strong {
    overflow: hidden;
    font-size: 17px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.download-brand small {
    color: var(--download-muted);
    font-size: 12px;
}

.control-entry,
.download-button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 1px solid rgba(54, 201, 237, .32);
    border-radius: 8px;
    padding: 0 18px;
    color: #f8fdff;
    background: rgba(54, 201, 237, .10);
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.control-entry:hover,
.download-button:hover {
    border-color: rgba(54, 201, 237, .62);
    background: rgba(54, 201, 237, .17);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
}

.control-entry svg,
.download-button svg,
.package-icon svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.download-main {
    padding: 48px 0 54px;
}

.download-intro {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 30px;
}

.section-kicker {
    display: block;
    margin-bottom: 9px;
    color: var(--download-cyan);
    font-size: 12px;
    font-weight: 800;
}

.download-intro h1 {
    margin: 0;
    font-size: 36px;
    line-height: 1.25;
}

.download-intro p,
.section-heading p,
.package-title-row p {
    margin: 7px 0 0;
    color: var(--download-muted);
    line-height: 1.6;
}

.service-state {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    flex: 0 0 auto;
    color: #dffcf3;
    font-size: 13px;
    font-weight: 700;
}

.service-state span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--download-mint);
    box-shadow: 0 0 16px rgba(55, 216, 167, .72);
}

.download-section {
    padding: 30px 0 34px;
    border-top: 1px solid var(--download-border);
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
}

.section-heading h2 {
    margin: 0;
    font-size: 24px;
}

.section-heading p {
    font-size: 14px;
}

.section-badge,
.package-type {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    border: 1px solid rgba(55, 216, 167, .28);
    border-radius: 999px;
    padding: 0 10px;
    color: #baf6e3;
    background: rgba(55, 216, 167, .10);
    font-size: 12px;
    font-weight: 800;
    white-space: nowrap;
}

.section-badge-alt,
.package-type-alt {
    border-color: rgba(240, 184, 75, .34);
    color: #ffe0a2;
    background: rgba(240, 184, 75, .10);
}

.package-type-optional {
    border-color: rgba(143, 203, 236, .24);
    color: #cfeaff;
    background: rgba(143, 203, 236, .08);
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.package-card {
    min-width: 0;
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 18px;
    padding: 22px;
    border: 1px solid var(--download-border);
    border-radius: 8px;
    background: rgba(16, 33, 57, .88);
    box-shadow: 0 18px 44px rgba(0, 0, 0, .20);
}

.package-card-main {
    border-color: rgba(55, 216, 167, .32);
}

.package-card-alt {
    background: rgba(28, 32, 43, .86);
}

.package-icon {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(54, 201, 237, .24);
    border-radius: 8px;
    color: var(--download-cyan);
    background: rgba(54, 201, 237, .08);
    font-weight: 900;
}

.package-icon img {
    width: 64px;
    height: 64px;
    border-radius: 8px;
}

.package-icon svg {
    width: 30px;
    height: 30px;
}

.package-icon-anydesk {
    border-color: rgba(232, 78, 86, .34);
    color: #fff;
    background: var(--download-red);
    font-size: 18px;
}

.package-content {
    min-width: 0;
}

.package-title-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.package-title-row h3 {
    margin: 0;
    font-size: 19px;
    line-height: 1.4;
}

.package-title-row p {
    font-size: 13px;
}

.package-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 13px;
    margin: 18px 0;
    color: var(--download-muted);
    font-size: 12px;
}

.package-meta strong {
    color: var(--download-text);
}

.download-button {
    width: 100%;
}

.download-button-primary {
    border-color: transparent;
    background: linear-gradient(110deg, var(--download-blue), var(--download-cyan));
}

.download-button-primary:hover {
    border-color: transparent;
    background: linear-gradient(110deg, #4a83f8, #43d2f3);
}

.download-button-alt {
    border-color: rgba(240, 184, 75, .32);
    color: #ffe9bd;
    background: rgba(240, 184, 75, .09);
}

.download-button-alt:hover {
    border-color: rgba(240, 184, 75, .58);
    background: rgba(240, 184, 75, .15);
}

.alternative-notice {
    margin-bottom: 16px;
    border-left: 3px solid var(--download-amber);
    padding: 10px 13px;
    color: #d8e1e9;
    background: rgba(240, 184, 75, .07);
    font-size: 13px;
    line-height: 1.65;
}

.download-footer {
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid var(--download-border);
    color: var(--download-muted);
    font-size: 13px;
}

.download-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.download-footer a {
    color: #c9e9f8;
    text-decoration: none;
}

.download-footer a:hover {
    color: #fff;
}

@media (max-width: 820px) {
    .package-grid {
        grid-template-columns: 1fr;
    }

    .download-main {
        padding-top: 34px;
    }
}

@media (max-width: 560px) {
    .download-header-inner,
    .download-main,
    .download-footer {
        width: min(100% - 28px, 1120px);
    }

    .download-header-inner {
        min-height: 68px;
        gap: 12px;
    }

    .download-brand img {
        width: 40px;
        height: 40px;
        flex-basis: 40px;
    }

    .download-brand small,
    .control-entry span {
        display: none;
    }

    .control-entry {
        width: 44px;
        min-width: 44px;
        min-height: 44px;
        padding: 0;
    }

    .download-main {
        padding: 28px 0 36px;
    }

    .download-intro {
        align-items: flex-start;
        flex-direction: column;
        gap: 15px;
        padding-bottom: 24px;
    }

    .download-intro h1 {
        font-size: 28px;
    }

    .download-intro p {
        font-size: 14px;
    }

    .download-section {
        padding: 25px 0 28px;
    }

    .section-heading h2 {
        font-size: 21px;
    }

    .package-card {
        grid-template-columns: 52px minmax(0, 1fr);
        gap: 13px;
        padding: 16px;
    }

    .package-icon,
    .package-icon img {
        width: 52px;
        height: 52px;
    }

    .package-title-row h3 {
        font-size: 17px;
    }

    .package-meta {
        margin: 14px 0;
    }

    .download-footer {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        padding: 18px 0;
    }
}

@media (max-width: 390px) {
    .package-title-row {
        display: grid;
    }

    .package-type {
        justify-self: start;
    }
}

@media (prefers-reduced-motion: reduce) {
    .control-entry,
    .download-button {
        transition: none;
    }
}