/* ==========================================================================
   门户（软件库 / 详情页）
   ========================================================================== */

body.portal {
    background:
        radial-gradient(1200px 700px at 12% -10%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
        radial-gradient(1000px 600px at 92% 0%, color-mix(in srgb, var(--accent-3) 9%, transparent), transparent 55%),
        var(--bg);
}

/* 背景光斑 */
.bg-mesh {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.bg-mesh .blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
    animation: floaty 16s ease-in-out infinite;
}

.bg-mesh .b1 {
    width: 520px;
    height: 520px;
    top: -160px;
    left: -120px;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent) 45%, transparent), transparent 68%);
}

.bg-mesh .b2 {
    width: 460px;
    height: 460px;
    top: 120px;
    right: -160px;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent-3) 38%, transparent), transparent 68%);
    animation-delay: -6s;
}

.bg-mesh .b3 {
    width: 380px;
    height: 380px;
    bottom: -160px;
    left: 38%;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent-2) 34%, transparent), transparent 68%);
    animation-delay: -11s;
}

html[data-theme="dark"] .bg-mesh .blob { opacity: 0.35; }

/* 网格纹理 */
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(to right, color-mix(in srgb, var(--text) 5%, transparent) 1px, transparent 1px),
        linear-gradient(to bottom, color-mix(in srgb, var(--text) 5%, transparent) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 75%);
}

/* ------------------------------ 顶栏 ---------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    height: var(--header-h);
    display: flex;
    align-items: center;
    background: color-mix(in srgb, var(--bg) 70%, transparent);
    backdrop-filter: saturate(160%) blur(18px);
    -webkit-backdrop-filter: saturate(160%) blur(18px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
    border-bottom-color: var(--border);
    background: color-mix(in srgb, var(--bg) 86%, transparent);
    box-shadow: 0 10px 30px -24px rgba(15, 23, 42, 0.5);
}

.header-inner {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 28px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    font-weight: 700;
    font-size: 1.02rem;
    letter-spacing: -0.01em;
    color: var(--text);
    flex-shrink: 0;
}

.brand-mark {
    position: relative;
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 55%, var(--accent-3) 100%);
    box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--accent) 75%, transparent);
    color: #fff;
}

.brand-mark svg { width: 20px; height: 20px; }

.brand-mark::after {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 15px;
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.brand:hover .brand-mark::after { opacity: 1; }

.brand small {
    display: block;
    font-size: 0.64rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-top: -2px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
}

.site-nav a {
    padding: 8px 13px;
    border-radius: 9px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-2);
    transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.site-nav a:hover {
    color: var(--text);
    background: var(--bg-elevated);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

.menu-toggle { display: none; }

/* 移动端抽屉 */
.mobile-drawer {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    z-index: 70;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 16px 22px 22px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--ease);
    box-shadow: var(--shadow-lg);
}

.mobile-drawer.is-open {
    transform: none;
    opacity: 1;
    visibility: visible;
}

.mobile-drawer a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 4px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    color: var(--text);
}

.mobile-drawer a:last-child { border-bottom: 0; }

/* ------------------------------ Hero ---------------------------------- */

.hero {
    position: relative;
    z-index: 1;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 64px 24px 28px;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 56px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 6px 13px 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-glass);
    backdrop-filter: blur(8px);
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--text-2);
    box-shadow: var(--shadow-sm);
}

.eyebrow .dot { color: var(--success); animation: pulseRing 2.6s infinite; }

.hero h1 {
    margin: 22px 0 18px;
    font-size: clamp(2.15rem, 4.5vw, 3.5rem);
    letter-spacing: -0.035em;
    line-height: 1.12;
}

.hero h1 .grad {
    display: inline-block;
    background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 45%, var(--accent-3) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: gradientPan 7s ease infinite;
}

.hero-lead {
    max-width: 560px;
    font-size: 1.02rem;
    line-height: 1.75;
    color: var(--text-2);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-top: 40px;
    padding-top: 26px;
    border-top: 1px solid var(--border);
}

.hero-stat b {
    display: block;
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
    line-height: 1.2;
}

.hero-stat span {
    font-size: 0.76rem;
    color: var(--text-3);
}

/* 搜索 */
.search-panel {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 26px;
    padding: 7px 8px 7px 18px;
    border-radius: var(--radius);
    border: 1px solid var(--border-strong);
    background: var(--bg-elevated);
    box-shadow: var(--shadow-md);
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}

.search-panel:focus-within {
    border-color: var(--accent);
    box-shadow: var(--glow);
    transform: translateY(-1px);
}

.search-panel svg { width: 19px; height: 19px; color: var(--text-3); flex-shrink: 0; }

.search-panel input {
    flex: 1;
    min-width: 0;
    padding: 8px 0;
    border: 0;
    background: transparent;
    font-size: 0.95rem;
    color: var(--text);
}

.search-panel input:focus { outline: none; }
.search-panel input::placeholder { color: var(--text-3); }

.search-panel .kbd { margin-right: 4px; }

/* 平台分段 */
.platform-tabs {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 22px;
    padding: 5px;
    border-radius: 999px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    flex-wrap: wrap;
}

.platform-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 15px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-2);
    transition: all 0.25s var(--ease);
    white-space: nowrap;
}

.platform-tab svg { width: 15px; height: 15px; }

.platform-tab:hover { color: var(--text); }

.platform-tab.is-active {
    background: var(--bg-elevated);
    color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.platform-tab .os-dot {
    display: none;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
}

.platform-tab[data-detected="1"] .os-dot { display: inline-block; }

/* Hero 视觉 */
.hero-visual {
    position: relative;
    min-height: 430px;
    display: grid;
    place-items: center;
    perspective: 1200px;
}

.orbit {
    position: absolute;
    inset: 8%;
    border-radius: 50%;
    border: 1px dashed color-mix(in srgb, var(--accent) 24%, transparent);
    animation: spin 40s linear infinite;
}

.orbit::before,
.orbit::after {
    content: "";
    position: absolute;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent-2);
    box-shadow: 0 0 16px var(--accent-2);
}

.orbit::before { top: -4px; left: 50%; }
.orbit::after { bottom: 18%; left: 4%; background: var(--accent-3); }

.hero-core {
    position: relative;
    z-index: 2;
    width: 210px;
    height: 210px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 25%, color-mix(in srgb, var(--accent-3) 28%, transparent), transparent 45%),
        radial-gradient(circle at 70% 80%, color-mix(in srgb, var(--accent-2) 30%, transparent), transparent 50%),
        linear-gradient(150deg, color-mix(in srgb, var(--accent) 92%, #000 0%), color-mix(in srgb, var(--accent-2) 78%, #000 0%));
    box-shadow: 0 40px 90px -30px color-mix(in srgb, var(--accent) 70%, transparent), inset 0 1px 1px rgba(255, 255, 255, 0.4);
    color: #fff;
    animation: floaty 9s ease-in-out infinite;
}

.hero-core svg { width: 74px; height: 74px; }

.hero-core::after {
    content: "";
    position: absolute;
    inset: -18px;
    border-radius: 50%;
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}

.os-card {
    position: absolute;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 13px 17px;
    border-radius: 15px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: var(--shadow-lg);
    animation: floaty 7s ease-in-out infinite;
    transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}

.os-card:hover { transform: translateY(-6px) scale(1.03); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }

.os-card .os-ico {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: var(--bg-soft);
    color: var(--accent);
}

.os-card .os-ico svg { width: 18px; height: 18px; }

.os-card b { display: block; font-size: 0.82rem; color: var(--text); line-height: 1.2; }
.os-card span { font-size: 0.7rem; color: var(--text-3); }

.os-card.windows { top: 2%; left: -2%; animation-delay: -1s; }
.os-card.macos { top: 24%; right: -4%; animation-delay: -3s; }
.os-card.linux { bottom: 4%; left: 4%; animation-delay: -5s; }
.os-card.api { bottom: 8%; right: 2%; animation-delay: -2s; }

.os-card .mini-bars {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 22px;
}

.os-card .mini-bars i {
    width: 4px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--accent), var(--accent-2));
    opacity: 0.8;
    animation: barGrow 1.2s var(--ease) both;
}

@keyframes barGrow { from { height: 2px; } }

/* ------------------------------ 推荐条 -------------------------------- */

.recommend {
    position: relative;
    z-index: 1;
    max-width: var(--maxw);
    margin: 18px auto 0;
    padding: 0 24px;
}

.recommend-inner {
    position: relative;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 22px;
    border-radius: var(--radius-lg);
    border: 1px solid color-mix(in srgb, var(--accent) 26%, var(--border));
    background:
        linear-gradient(120deg, color-mix(in srgb, var(--accent) 10%, var(--bg-elevated)), var(--bg-elevated) 55%);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.recommend-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, transparent 35%, color-mix(in srgb, var(--accent-3) 12%, transparent) 50%, transparent 65%);
    transform: translateX(-100%);
    animation: sweep 6s ease-in-out infinite;
}

@keyframes sweep { 0%, 55% { transform: translateX(-100%); } 85%, 100% { transform: translateX(100%); } }

.recommend .os-ico {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 10px 22px -10px color-mix(in srgb, var(--accent) 80%, transparent);
}

.recommend .os-ico svg { width: 23px; height: 23px; }

.recommend-copy { min-width: 0; flex: 1; position: relative; }
.recommend-copy b { display: block; font-size: 0.94rem; color: var(--text); }
.recommend-copy p { margin-top: 3px; font-size: 0.8rem; color: var(--text-2); }

.recommend .btn { position: relative; }

/* ------------------------------ 软件目录 ------------------------------ */

.catalog {
    position: relative;
    z-index: 1;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 54px 24px 40px;
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 26px;
    flex-wrap: wrap;
}

.section-head .eyebrow-sm {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}

.section-head h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.section-head p { margin-top: 6px; font-size: 0.88rem; color: var(--text-3); }

.filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.filter-scroll {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
    flex: 1;
}

.filter-scroll::-webkit-scrollbar { display: none; }

.catalog-search {
    width: 180px;
    flex-shrink: 0;
    padding: 7px 13px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text);
    font-size: 0.8rem;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.catalog-search:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.filter-chip {
    padding: 7px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-2);
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.25s var(--ease);
}

.filter-chip:hover { border-color: var(--border-strong); color: var(--text); transform: translateY(-1px); }

.filter-chip.is-active {
    background: var(--text);
    border-color: var(--text);
    color: var(--bg);
}

.sort-select {
    padding: 7px 32px 7px 13px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-elevated) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a94a8' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
    color: var(--text-2);
    font-size: 0.8rem;
    appearance: none;
    cursor: pointer;
}

.software-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.sw-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.sw-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(420px 200px at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s var(--ease);
    pointer-events: none;
}

.sw-card:hover {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
    box-shadow: var(--shadow-lg);
}

.sw-card:hover::before { opacity: 1; }

.sw-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 15px;
}

.sw-icon {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(150deg, var(--bg-soft), var(--bg-elevated));
    border: 1px solid var(--border);
    color: var(--accent);
    overflow: hidden;
    flex-shrink: 0;
    transition: transform 0.4s var(--ease);
}

.sw-card:hover .sw-icon { transform: rotate(-4deg) scale(1.05); }

.sw-icon img { width: 100%; height: 100%; object-fit: cover; }
.sw-icon svg { width: 26px; height: 26px; }

.sw-arrow {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: var(--text-3);
    transition: all 0.3s var(--ease);
}

.sw-card:hover .sw-arrow {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    transform: rotate(-45deg);
}

.sw-arrow svg { width: 15px; height: 15px; }

.sw-name {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
}

.sw-vendor {
    margin-top: 2px;
    font-size: 0.72rem;
    color: var(--text-3);
}

.sw-desc {
    margin-top: 10px;
    font-size: 0.82rem;
    line-height: 1.65;
    color: var(--text-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.7em;
}

.sw-platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 14px;
}

.sw-platforms .chip { padding: 3px 8px; font-size: 0.68rem; }

.sw-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid var(--border);
    font-size: 0.72rem;
    color: var(--text-3);
}

.sw-meta .ver {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text-2);
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.sw-card.is-dim { display: none; }

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 42px;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    min-width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-2);
    font-size: 0.84rem;
    transition: all 0.25s var(--ease);
}

.pagination a:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.pagination .active {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 8px 18px -10px color-mix(in srgb, var(--accent) 80%, transparent);
}

/* 格式滚动条 */
.formats-strip {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg-elevated) 60%, transparent);
    overflow: hidden;
    padding: 18px 0;
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.formats-track {
    display: flex;
    gap: 12px;
    width: max-content;
    animation: marquee 32s linear infinite;
}

.formats-track:hover { animation-play-state: paused; }

.format-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    font-size: 0.78rem;
    color: var(--text-2);
    white-space: nowrap;
    font-family: var(--font-mono);
}

.format-pill i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
}

/* ------------------------------ 页脚 ---------------------------------- */

.site-footer {
    position: relative;
    z-index: 1;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 44px 24px 48px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
    color: var(--text-3);
    font-size: 0.8rem;
}

.site-footer .footer-brand { max-width: 320px; }
.site-footer .footer-brand b { color: var(--text); font-size: 0.95rem; }
.site-footer p { margin-top: 8px; font-size: 0.78rem; line-height: 1.7; color: var(--text-3); }

.footer-links { display: flex; gap: 44px; flex-wrap: wrap; }
.footer-col b { display: block; margin-bottom: 10px; font-size: 0.78rem; color: var(--text); }
.footer-col a { display: block; padding: 4px 0; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }

/* 移动端底栏 */
.mobile-tabbar { display: none; }

/* ------------------------------ 详情页 -------------------------------- */

body.portal.detail {
    background:
        radial-gradient(900px 520px at 8% -8%, color-mix(in srgb, var(--accent) 11%, transparent), transparent 60%),
        var(--bg);
}

.breadcrumb {
    position: relative;
    z-index: 2;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 22px 24px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-3);
    flex-wrap: wrap;
}

.breadcrumb a:hover { color: var(--accent); }
.breadcrumb svg { width: 13px; height: 13px; }

.detail-layout {
    position: relative;
    z-index: 2;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 22px 24px 80px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 26px;
    align-items: start;
}

.detail-main { min-width: 0; display: flex; flex-direction: column; gap: 22px; }

.detail-hero {
    position: relative;
    display: flex;
    gap: 24px;
    padding: 30px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--accent) 8%, var(--bg-elevated)), var(--bg-elevated) 52%);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.detail-hero::before {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    right: -90px;
    top: -120px;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--accent) 20%, transparent), transparent 70%);
    pointer-events: none;
}

.hero-icon {
    width: 108px;
    height: 108px;
    display: grid;
    place-items: center;
    border-radius: 26px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    flex-shrink: 0;
    color: var(--accent);
}

.hero-icon img { width: 100%; height: 100%; object-fit: cover; }
.hero-icon svg { width: 48px; height: 48px; }

.hero-info { flex: 1; min-width: 0; position: relative; }
.hero-info h1 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); letter-spacing: -0.03em; }

.hero-info .vendor {
    margin-top: 4px;
    font-size: 0.84rem;
    color: var(--text-3);
}

.hero-info .summary {
    margin-top: 12px;
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--text-2);
    max-width: 640px;
}

.hero-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

.hero-cta .meta-mini {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.74rem;
    color: var(--text-3);
    flex-wrap: wrap;
}

.hero-cta .meta-mini b { color: var(--text-2); font-weight: 600; }

/* 平台选择 */
.platform-picker {
    display: flex;
    gap: 6px;
    padding: 5px;
    border-radius: 14px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: none;
}

.platform-picker::-webkit-scrollbar { display: none; }

.pp-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-2);
    white-space: nowrap;
    transition: all 0.25s var(--ease);
}

.pp-tab svg { width: 16px; height: 16px; }
.pp-tab:hover { color: var(--text); }
.pp-tab.is-active { background: var(--bg-elevated); color: var(--accent); box-shadow: var(--shadow-sm); }
.pp-tab .count {
    font-size: 0.68rem;
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-family: var(--font-mono);
}

.asset-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.asset-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 17px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.asset-card:hover {
    border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.asset-top { display: flex; align-items: center; gap: 11px; }

.format-badge {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: var(--bg-soft);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    flex-shrink: 0;
}

.asset-top b { display: block; font-size: 0.86rem; color: var(--text); }
.asset-top span { font-size: 0.72rem; color: var(--text-3); }

.asset-actions { display: flex; align-items: center; gap: 8px; margin-top: auto; }
.asset-actions .btn { flex: 1; }
.asset-actions .icon-btn { border: 1px solid var(--border); border-radius: 9px; width: 34px; height: 34px; }

.asset-note {
    font-size: 0.72rem;
    color: var(--text-3);
    font-family: var(--font-mono);
    word-break: break-all;
    line-height: 1.5;
}

.install-command {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    background: var(--ink, #0b1120);
    color: #d7e0f5;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    overflow-x: auto;
}

.install-command code { white-space: nowrap; }
.install-command .icon-btn { color: #a9b6d0; width: 28px; height: 28px; flex-shrink: 0; }

/* 侧栏 */
.detail-side { position: sticky; top: calc(var(--header-h) + 20px); display: flex; flex-direction: column; gap: 16px; }

.side-card { padding: 20px; border-radius: var(--radius-lg); }
.side-card h3 { font-size: 0.9rem; margin-bottom: 14px; display: flex; align-items: center; gap: 9px; }
.side-card h3::before { content: ""; width: 4px; height: 15px; border-radius: 2px; background: linear-gradient(180deg, var(--accent), var(--accent-2)); }

.latest-box {
    padding: 18px;
    border-radius: var(--radius);
    background: linear-gradient(150deg, color-mix(in srgb, var(--accent) 12%, var(--bg-elevated)), var(--bg-elevated));
    border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
}

.latest-box .ver {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.latest-box .date { margin-top: 3px; font-size: 0.74rem; color: var(--text-3); }

.spec-list { display: flex; flex-direction: column; gap: 11px; }
.spec-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; font-size: 0.8rem; }
.spec-row span { color: var(--text-3); flex-shrink: 0; }
.spec-row b { color: var(--text); font-weight: 600; text-align: right; word-break: break-word; }

.side-note {
    padding: 14px 16px;
    border-radius: var(--radius);
    background: var(--bg-soft);
    font-size: 0.74rem;
    line-height: 1.7;
    color: var(--text-2);
}

.side-note b { color: var(--text); }

/* 截图 */
.shots-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.shot {
    position: relative;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-soft);
    cursor: zoom-in;
}

.shot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease), filter 0.4s var(--ease);
    opacity: 0;
}

.shot img.is-loaded { opacity: 1; }

.shot::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5, 9, 20, 0.55), transparent 45%);
    opacity: 0;
    transition: opacity 0.35s var(--ease);
}

.shot:hover img { transform: scale(1.045); }
.shot:hover::after { opacity: 1; }

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    padding: 30px;
    background: rgba(4, 7, 15, 0.86);
    backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--ease);
}

.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img { max-width: min(1100px, 94vw); max-height: 86vh; border-radius: 12px; box-shadow: 0 40px 90px rgba(0, 0, 0, 0.5); }
.lightbox nav { position: absolute; bottom: 28px; display: flex; gap: 10px; }
.lightbox button { color: #fff; border-color: rgba(255, 255, 255, 0.2); }
.lightbox .close { position: absolute; top: 22px; right: 22px; color: #fff; }

/* 更新履历 */
.release-list { display: flex; flex-direction: column; }

.release-item {
    position: relative;
    padding: 0 0 26px 26px;
    border-left: 1px solid var(--border);
    margin-left: 7px;
}

.release-item:last-child { border-left-color: transparent; padding-bottom: 0; }

.release-item::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 5px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 2px solid var(--border-strong);
}

.release-item.is-latest::before {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.release-head {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.release-head .ver {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
}

.release-head time { font-size: 0.74rem; color: var(--text-3); }

.release-notes {
    font-size: 0.84rem;
    line-height: 1.75;
    color: var(--text-2);
    white-space: pre-line;
}

.release-assets {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 12px;
}

.release-assets .chip {
    cursor: pointer;
    padding: 4px 9px;
    font-size: 0.7rem;
}

.release-assets .chip:hover { border-color: var(--accent); color: var(--accent); }

/* 移动端吸底下载 */
.mobile-download-bar {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 90;
    display: none;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 16px;
    background: color-mix(in srgb, var(--bg-elevated) 88%, transparent);
    backdrop-filter: blur(18px);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.mobile-download-bar .mdb-info { flex: 1; min-width: 0; }
.mobile-download-bar b { display: block; font-size: 0.82rem; }
.mobile-download-bar span { font-size: 0.7rem; color: var(--text-3); }

/* ------------------------------ 404 ----------------------------------- */

.error-page {
    position: relative;
    z-index: 2;
    min-height: calc(100vh - var(--header-h));
    display: grid;
    place-items: center;
    padding: 40px 24px;
    text-align: center;
}

.error-page .code {
    font-family: var(--font-mono);
    font-size: clamp(4rem, 14vw, 9rem);
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(120deg, var(--accent), var(--accent-3));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.06em;
}

.error-page h1 { margin: 10px 0 8px; font-size: 1.6rem; }
.error-page p { color: var(--text-3); margin-bottom: 24px; }

/* ------------------------------ 响应式 -------------------------------- */

@media (max-width: 1100px) {
    .software-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .hero { gap: 30px; }
    .os-card.windows { left: -4%; }
    .os-card.macos { right: -6%; }
}

@media (max-width: 920px) {
    .site-nav { display: none; }
    .menu-toggle { display: inline-flex; }
    .hero {
        grid-template-columns: 1fr;
        padding-top: 44px;
        gap: 20px;
    }
    .hero-visual { min-height: 330px; max-width: 460px; margin: 0 auto; }
    .hero-core { width: 160px; height: 160px; }
    .hero-core svg { width: 56px; height: 56px; }
    .os-card.windows { left: 0; }
    .os-card.macos { right: 0; }
    .details-layout { grid-template-columns: 1fr; }
    .detail-layout { grid-template-columns: 1fr; }
    .detail-side { position: static; }
    .software-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .header-inner { padding: 0 16px; gap: 12px; }
    .brand small { display: none; }
    .brand span { font-size: 0.92rem; }
    .header-actions .btn { display: none; }
    .hero { padding: 32px 16px 18px; }
    .hero h1 { font-size: clamp(1.9rem, 8vw, 2.6rem); }
    .hero-lead { font-size: 0.92rem; }
    .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 10px; }
    .hero-stat b { font-size: 1.3rem; }
    .search-panel { padding-left: 14px; }
    .search-panel .kbd { display: none; }
    .platform-tabs { width: 100%; justify-content: space-between; }
    .platform-tab { flex: 1; justify-content: center; padding: 8px 6px; font-size: 0.76rem; }
    .hero-visual { min-height: 280px; }
    .os-card { padding: 10px 12px; }
    .os-card.api { display: none; }
    .os-card.linux { bottom: 0; }
    /* 小屏隐藏环绕视觉，保留平台标签即可，避免卡片重叠 */
    .hero-visual { display: none; }
    .recommend { padding: 0 16px; }
    .recommend-inner { flex-wrap: wrap; padding: 16px; }
    .recommend .btn { width: 100%; }
    .catalog { padding: 38px 16px 30px; }
    .software-grid { grid-template-columns: 1fr; gap: 14px; }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .sort-select { width: 100%; }
    .site-footer { padding: 34px 16px 90px; flex-direction: column; gap: 24px; }
    .footer-links { gap: 30px; width: 100%; justify-content: space-between; }
    .mobile-tabbar {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 80;
        display: flex;
        align-items: center;
        justify-content: space-around;
        padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
        background: color-mix(in srgb, var(--bg-elevated) 90%, transparent);
        backdrop-filter: blur(18px);
        border-top: 1px solid var(--border);
    }
    .mobile-tabbar a {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 3px;
        font-size: 0.64rem;
        color: var(--text-3);
        padding: 4px 12px;
        border-radius: 10px;
    }
    .mobile-tabbar a.is-active { color: var(--accent); }
    .mobile-tabbar svg { width: 20px; height: 20px; }

    .breadcrumb { padding: 16px 16px 0; }
    .detail-layout { padding: 16px 16px 110px; gap: 16px; }
    .detail-hero { padding: 20px; flex-direction: column; gap: 16px; border-radius: 22px; }
    .hero-icon { width: 76px; height: 76px; border-radius: 18px; }
    .hero-info h1 { font-size: 1.55rem; }
    .hero-cta .btn { flex: 1; }
    .platform-picker { padding: 4px; }
    .asset-grid { grid-template-columns: 1fr; }
    .shots-grid { grid-template-columns: 1fr; }
    .card-pad { padding: 18px; }
    .side-card { padding: 16px; }
    .mobile-download-bar { display: flex; }
    .lightbox nav { bottom: 84px; }
}