/* RALLY 薄肌圈 · 演示入口聚合页 */
:root {
    --portal-glow: rgba(198, 242, 78, .14);
    --portal-line: rgba(198, 242, 78, .32);
    --portal-admin: #6EC1FF;
    --portal-admin-soft: rgba(110, 193, 255, .12);
    --portal-shadow: 0 24px 60px rgba(0, 0, 0, .32);
}

[data-theme="light"] {
    --portal-glow: rgba(95, 143, 15, .1);
    --portal-line: rgba(95, 143, 15, .28);
    --portal-admin: #1D6FC0;
    --portal-admin-soft: rgba(29, 111, 192, .09);
    --portal-shadow: 0 24px 54px rgba(38, 48, 24, .12);
}

.portal-body {
    background:
        radial-gradient(58% 42% at 78% 0%, var(--portal-glow) 0%, transparent 62%),
        radial-gradient(46% 40% at 6% 32%, var(--portal-glow) 0%, transparent 58%),
        var(--bg-deep);
    min-height: 100vh;
}

.portal {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 26px 24px 44px;
}

/* ---------- 顶部 ---------- */
.portal-top {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.portal-brand {
    font-size: 21px;
    font-weight: 900;
    letter-spacing: 3px;
}

.portal-brand b { color: var(--accent); }

.portal-prefs {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.portal-seg {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    border: 1px solid var(--line-soft);
    border-radius: var(--r999);
    background: var(--raised);
}

.portal-seg button {
    height: 26px;
    padding: 0 9px;
    border: 0;
    border-radius: var(--r999);
    background: transparent;
    color: var(--muted);
    font-size: 11.5px;
    font-weight: 600;
    white-space: nowrap;
    transition: color .15s ease, background .15s ease;
}

.portal-seg button:hover { color: var(--text); }

.portal-seg button.active {
    background: var(--accent);
    color: var(--accent-ink);
}

.portal-seg button[disabled] { opacity: .5; pointer-events: none; }

.portal-seg .theme-swatch { width: 11px; height: 11px; margin-right: 4px; vertical-align: -1px; }

/* ---------- 首屏 ---------- */
.portal-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 48px;
    align-items: center;
    padding: 60px 0 44px;
}

.portal-eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2.2px;
    color: var(--accent);
    text-transform: uppercase;
}

.portal-title {
    margin-top: 16px;
    font-size: clamp(38px, 5vw, 58px);
    line-height: 1.05;
    font-weight: 850;
    letter-spacing: -2.2px;
}

.portal-title em {
    font-style: normal;
    color: var(--accent);
}

.portal-desc {
    max-width: 560px;
    margin-top: 18px;
    color: var(--muted);
    font-size: 15.5px;
    line-height: 1.68;
}

.portal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 22px;
}

.portal-tags .tag {
    height: 28px;
    padding: 0 12px;
    font-size: 12px;
}

/* 视觉块 */
.portal-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    padding: 28px 24px 22px;
    border: 1px solid var(--line-soft);
    border-radius: 28px;
    background:
        radial-gradient(120% 120% at 50% -10%, var(--portal-glow) 0%, transparent 58%),
        var(--raised);
    box-shadow: var(--portal-shadow);
    overflow: hidden;
}

.portal-visual::before {
    content: "";
    position: absolute;
    top: -70px;
    left: 50%;
    width: 280px;
    height: 280px;
    border: 1px solid var(--portal-line);
    border-radius: 50%;
    transform: translateX(-50%);
    opacity: .55;
}

.portal-visual::after {
    content: "";
    position: absolute;
    top: -30px;
    left: 50%;
    width: 200px;
    height: 200px;
    border: 1px dashed var(--portal-line);
    border-radius: 50%;
    transform: translateX(-50%);
    opacity: .4;
}

.portal-visual-mark {
    position: relative;
    z-index: 1;
    font-size: clamp(40px, 5vw, 52px);
    font-weight: 900;
    letter-spacing: 8px;
    text-indent: 8px;
}

.portal-visual-mark b { color: var(--accent); }

.portal-visual-sub {
    position: relative;
    z-index: 1;
    margin-top: 8px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--faint);
}

.portal-visual-stats {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    width: 100%;
    margin-top: 30px;
}

.portal-visual-stats > div {
    padding: 12px 8px;
    border: 1px solid var(--line-soft);
    border-radius: var(--r12);
    background: var(--bg);
    text-align: center;
}

.portal-visual-stats strong {
    display: block;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -.4px;
}

.portal-visual-stats span {
    display: block;
    margin-top: 2px;
    font-size: 8.5px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--faint);
}

/* ---------- 入口卡片 ---------- */
.portal-section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.portal-section-head .caption { margin: 0; }

.portal-section-head p {
    font-size: 13px;
    color: var(--muted);
}

.portal-entries {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.portal-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 26px;
    border: 1px solid var(--line-soft);
    border-radius: 24px;
    background: var(--raised);
    overflow: hidden;
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.portal-card::before {
    content: "";
    position: absolute;
    top: -90px;
    right: -60px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--portal-glow) 0%, transparent 68%);
    pointer-events: none;
}

.portal-card:hover {
    transform: translateY(-3px);
    border-color: var(--portal-line);
    box-shadow: var(--portal-shadow);
}

.portal-card:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.portal-card.admin::before {
    background: radial-gradient(circle, var(--portal-admin-soft) 0%, transparent 68%);
}

.portal-card.admin:hover {
    border-color: color-mix(in srgb, var(--portal-admin) 38%, transparent);
}

.portal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 16px;
    background: var(--accent-soft);
    color: var(--accent);
}

.portal-card.admin .portal-icon {
    background: var(--portal-admin-soft);
    color: var(--portal-admin);
}

.portal-icon svg {
    width: 24px;
    height: 24px;
}

.portal-kicker {
    margin-top: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.6px;
    color: var(--faint);
    text-transform: uppercase;
}

.portal-card h2 {
    margin-top: 8px;
    font-size: 25px;
    font-weight: 800;
    letter-spacing: -.6px;
}

.portal-card-desc {
    margin-top: 8px;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.62;
}

.portal-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px 14px;
    margin: 20px 0 24px;
}

.portal-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    color: var(--muted);
}

.portal-features li::before {
    content: "";
    flex: 0 0 auto;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
}

.portal-card.admin .portal-features li::before {
    background: var(--portal-admin);
}

.portal-card-foot {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.portal-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 46px;
    padding: 0 16px;
    border-radius: var(--r12);
    background: var(--accent);
    color: var(--accent-ink);
    font-size: 14.5px;
    font-weight: 700;
}

.portal-card.admin .portal-cta {
    background: var(--raised-2);
    border: 1px solid var(--line);
    color: var(--text);
}

.portal-cta .arrow {
    font-size: 17px;
    transition: transform .16s ease;
}

.portal-card:hover .portal-cta .arrow { transform: translateX(4px); }

.portal-hint {
    text-align: center;
    font-size: 11px;
    color: var(--faint);
    letter-spacing: .2px;
}

.portal-cred {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: var(--r8);
    background: var(--raised);
    font-size: 11px;
    color: var(--muted);
}

.portal-cred code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 11px;
    color: var(--text);
    padding: 1px 5px;
    border-radius: 5px;
    background: var(--raised-2);
}

.portal-cred-sep { color: var(--faint); }

/* ---------- 安卓 App ---------- */
.portal-app {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 18px;
    padding: 18px 20px;
    border: 1px solid var(--line-soft);
    border-radius: 20px;
    background: linear-gradient(120deg, var(--raised), var(--bg));
}

.portal-app-icon {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 13px;
    background: var(--accent-soft);
    color: var(--accent);
}

.portal-app-icon svg { width: 22px; height: 22px; }

.portal-app-copy {
    flex: 1 1 320px;
    min-width: 0;
}

.portal-app-copy .portal-kicker { margin-top: 0; }

.portal-app-copy h3 {
    margin-top: 4px;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -.2px;
}

.portal-app-copy p:last-child {
    margin-top: 4px;
    color: var(--muted);
    font-size: 12.5px;
    line-height: 1.55;
}

.portal-app-cta {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    height: 42px;
    padding: 0 18px;
    border: 1px solid var(--portal-line);
    border-radius: var(--r999);
    background: var(--raised);
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.portal-app-cta:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

.portal-app-cta .arrow { transition: transform .16s ease; }

.portal-app-cta:hover .arrow { transform: translateY(3px); }

/* ---------- 说明卡片 ---------- */
.portal-notes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 26px;
}

.portal-note {
    padding: 18px;
    border: 1px solid var(--line-soft);
    border-radius: 18px;
    background: var(--bg);
}

.portal-note h3 {
    font-size: 13.5px;
    font-weight: 700;
}

.portal-note p {
    margin-top: 6px;
    color: var(--muted);
    font-size: 12.5px;
    line-height: 1.6;
}

/* ---------- 页脚 ---------- */
.portal-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 34px;
    padding-top: 18px;
    border-top: 1px solid var(--line-soft);
    color: var(--faint);
    font-size: 11px;
    letter-spacing: .3px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .portal-hero {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 42px 0 32px;
    }

    .portal-visual { min-height: 240px; }

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

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

@media (max-width: 560px) {
    .portal { padding: 18px 16px 32px; }

    .portal-top { gap: 8px; }

    .portal-prefs {
        width: 100%;
        margin-left: 0;
        justify-content: flex-start;
    }

    .portal-hero { padding: 30px 0 26px; }

    .portal-title { letter-spacing: -1.4px; }

    .portal-card { padding: 20px; }

    .portal-card h2 { font-size: 22px; }

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

    .portal-seg button { padding: 0 8px; }

    .portal-app { padding: 16px; }

    .portal-app-cta {
        width: 100%;
        justify-content: center;
    }
}