/* Misaka Launcher site — 单文件样式，无外部依赖（避免 CDN 在部分网络下加载失败） */

:root {
    --bg: #08090d;
    --bg-2: #0d1017;
    --card: rgba(255, 255, 255, 0.032);
    --card-hi: rgba(255, 255, 255, 0.055);
    --line: rgba(255, 255, 255, 0.085);
    --line-hi: rgba(255, 255, 255, 0.16);
    --text: #eef1f7;
    --muted: #98a2b3;
    --muted-2: #6e7889;
    --accent: #ff7aa8;
    --accent-soft: rgba(255, 122, 168, 0.14);
    --accent-2: #7aa2ff;
    --ok: #6ee7b7;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC",
        "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* 顶部柔光 + 细网格：首屏不空，也不用加载任何图片 */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(52% 44% at 22% 0%, rgba(255, 122, 168, 0.14), transparent 68%),
        radial-gradient(48% 40% at 78% 4%, rgba(122, 162, 255, 0.13), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(70% 50% at 50% 0%, #000 30%, transparent 78%);
    -webkit-mask-image: radial-gradient(70% 50% at 50% 0%, #000 30%, transparent 78%);
    pointer-events: none;
    z-index: 0;
}

.wrap {
    position: relative;
    z-index: 1;
    max-width: 920px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

/* ---------------- 顶栏（粘性 + 毛玻璃） ---------------- */
header.top {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 14px 0;
    margin: 0 -24px;
    padding-left: 24px;
    padding-right: 24px;
    background: rgba(8, 9, 13, 0.72);
    backdrop-filter: saturate(140%) blur(14px);
    -webkit-backdrop-filter: saturate(140%) blur(14px);
    border-bottom: 1px solid var(--line);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 650;
    letter-spacing: 0.2px;
    color: var(--text);
    text-decoration: none;
    white-space: nowrap;
}

.brand svg { display: block; }

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

nav.top a {
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 10px;
    border-radius: 8px;
    transition: color 0.16s ease, background 0.16s ease;
}

nav.top a:hover { color: var(--text); background: var(--card-hi); }

/* 语言切换：分段控件 */
.lang {
    display: inline-flex;
    align-items: center;
    padding: 3px;
    gap: 2px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    margin-left: 8px;
}

.lang button {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--muted-2);
    font: inherit;
    font-size: 12.5px;
    line-height: 1;
    padding: 6px 11px;
    border-radius: 999px;
    cursor: pointer;
    transition: color 0.16s ease, background 0.16s ease;
}

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

.lang button.on {
    color: #0b0d12;
    background: linear-gradient(135deg, #ffd0e0, #cfe0ff);
    font-weight: 600;
}

/* ---------------- Hero ---------------- */
.hero { padding: 72px 0 30px; }

.hero .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 5px 12px;
    background: var(--card);
    margin-bottom: 20px;
}

.hero .eyebrow .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ok);
    box-shadow: 0 0 10px rgba(110, 231, 183, 0.8);
}

.hero h1 {
    font-size: clamp(32px, 5.2vw, 52px);
    line-height: 1.14;
    margin: 0 0 18px;
    letter-spacing: -0.9px;
    font-weight: 700;
}

.hero h1 .grad {
    background: linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p.lead {
    color: var(--muted);
    font-size: 17px;
    max-width: 640px;
    margin: 0 0 26px;
}

.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }

.badge {
    font-size: 12px;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 11px;
    background: var(--card);
}

/* ---------------- 下载卡 ---------------- */
.downloads {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(196px, 1fr));
    gap: 12px;
    margin: 0 0 14px;
}

.dl {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--card);
    color: var(--text);
    text-decoration: none;
    transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease,
        box-shadow 0.18s ease;
}

.dl:hover {
    border-color: rgba(255, 122, 168, 0.5);
    background: var(--accent-soft);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.32);
}

.dl .ico {
    flex: none;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--line);
    color: var(--muted);
}

.dl:hover .ico { color: var(--text); border-color: var(--line-hi); }

.dl .txt { min-width: 0; }
.dl strong { display: block; font-size: 14.5px; font-weight: 620; letter-spacing: 0.1px; }
.dl small { display: block; color: var(--muted-2); font-size: 12px; }

.hint { color: var(--muted-2); font-size: 13px; }
.hint a { color: var(--accent-2); text-decoration: none; }
.hint a:hover { text-decoration: underline; }

/* ---------------- 区块 ---------------- */
section { margin-top: 56px; }

h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 19px;
    font-weight: 640;
    letter-spacing: 0.1px;
    margin: 0 0 16px;
}

h2::before {
    content: "";
    width: 3px;
    height: 15px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--accent), var(--accent-2));
}

.card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    padding: 22px 24px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 12px;
}

.item {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    padding: 18px 20px;
    transition: border-color 0.18s ease, background 0.18s ease;
}

.item:hover { border-color: var(--line-hi); background: var(--card-hi); }

.item .ico {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: 10px;
}

.item h3 { font-size: 14.5px; margin: 0 0 6px; font-weight: 620; }
.item p { margin: 0; color: var(--muted); font-size: 14px; }

.note {
    border-left: 2px solid var(--accent);
    background: rgba(255, 122, 168, 0.05);
    border-radius: 0 10px 10px 0;
    padding: 12px 16px;
    color: var(--muted);
    font-size: 14px;
    margin: 18px 0 0;
}

/* ---------------- 页脚 ---------------- */
footer {
    margin-top: 72px;
    padding-top: 26px;
    border-top: 1px solid var(--line);
    color: var(--muted-2);
    font-size: 13px;
}

footer .cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 26px;
}

footer h4 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--muted-2);
    margin: 0 0 8px;
    font-weight: 600;
}

footer a {
    display: block;
    color: var(--muted);
    text-decoration: none;
    padding: 3px 0;
}

footer a:hover { color: var(--text); }

footer .legal {
    border-top: 1px solid var(--line);
    padding-top: 16px;
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--muted-2);
}

/* ---------------- 文档页 ---------------- */
.doc { padding-top: 50px; }
.doc h1 { font-size: 32px; margin: 0 0 8px; letter-spacing: -0.4px; }
.doc .meta { color: var(--muted-2); font-size: 13px; margin-bottom: 30px; }
.doc h2 { margin-top: 38px; }
.doc p, .doc li { color: #c7d0de; font-size: 15px; }
.doc ul { padding-left: 20px; }
.doc li { margin: 7px 0; }

.doc code {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 12.8px;
    background: rgba(255, 255, 255, 0.065);
    border: 1px solid var(--line);
    padding: 1px 6px;
    border-radius: 5px;
    white-space: nowrap;
}

.doc a { color: var(--accent-2); }

/* 语言切换：由 <html data-lang> 控制显隐，无需 JS 逐节点处理 */
html[data-lang="en"] [data-lang="zh"] { display: none !important; }
html[data-lang="zh"] [data-lang="en"] { display: none !important; }

@media (max-width: 620px) {
    .wrap { padding: 0 18px 64px; }
    header.top { margin: 0 -18px; padding-left: 18px; padding-right: 18px; }
    nav.top a { display: none; }
    nav.top a.keep { display: inline-block; }
    .hero { padding: 48px 0 22px; }
    .lang { margin-left: 4px; }
}