/* CC云注入 - 深色玻璃拟态风格 */
:root {
	--bg: #0b1220;
	--panel: rgba(255,255,255,0.06);
	--panel-2: rgba(255,255,255,0.08);
	--border: rgba(255,255,255,0.12);
	--txt: #e6ecff;
	--muted: #99a3c2;
	--primary: #5b8cff;
	--primary-2: #4a7dff;
	--accent: #22d3ee;
	--shadow: 0 8px 30px rgba(0,0,0,0.45);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
	margin: 0;
	font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
	background:
		radial-gradient(1200px 500px at 20% -10%, #1b2a55 0%, transparent 60%),
		radial-gradient(900px 400px at 90% 10%, #162b47 0%, transparent 55%),
		linear-gradient(180deg, #0b1220 0%, #0b1220 100%);
	color: var(--txt);
	letter-spacing: 0.2px;
}

/* 基础布局 */
.container { width: min(1120px, 92%); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 30; backdrop-filter: saturate(180%) blur(10px); background: linear-gradient(180deg, rgba(11,18,32,0.9), rgba(11,18,32,0.65)); border-bottom: 1px solid var(--border); }
.nav { height: 64px; display: flex; align-items: center; justify-content: space-between; width: min(1120px, 92%); margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--txt); font-weight: 700; }
.brand i { color: var(--accent); }
.nav-links { list-style: none; display: flex; gap: 28px; padding: 0; margin: 0; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 600; transition: color .2s ease; }
.nav-links a:hover { color: var(--txt); }

/* Hero */
.hero { position: relative; padding: 96px 0 72px; overflow: hidden; }
.hero-inner { width: min(980px, 92%); margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.hero h1 { font-size: clamp(32px, 4.5vw, 56px); line-height: 1.1; margin: 0 0 14px; letter-spacing: .3px; }
.hero p { color: var(--muted); margin: 0 auto 28px; font-size: clamp(15px, 1.6vw, 18px); max-width: 820px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn { appearance: none; border: 1px solid transparent; border-radius: 12px; padding: 14px 18px; font-weight: 700; cursor: pointer; transition: all .18s ease; display: inline-flex; gap: 10px; align-items: center; text-decoration: none; }
.btn-primary { color: #0b1220; background: linear-gradient(180deg, var(--primary) 0%, var(--primary-2) 100%); box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-ghost { color: var(--txt); background: var(--panel); border-color: var(--border); }
.btn-ghost:hover { background: var(--panel-2); transform: translateY(-1px); }

.hero-bg { position: absolute; inset: -120px -60px auto -60px; height: 420px; pointer-events: none; background:
	radial-gradient(600px 220px at 30% 40%, rgba(91,140,255,.35), transparent 60%),
	radial-gradient(500px 240px at 70% 30%, rgba(34,211,238,.35), transparent 60%);
filter: blur(38px) saturate(130%); opacity: .5; }

/* 通用分区 */
.section { padding: 64px 0; }
.section-title { font-size: clamp(22px, 3vw, 32px); margin: 0 0 22px; }

/* 卡片网格 */
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.card {
	grid-column: span 6;
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: 16px;
	padding: 18px 18px 16px;
	box-shadow: var(--shadow);
	transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-3px); background: var(--panel-2); border-color: rgba(255,255,255,0.18); }
.card .icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(180deg, rgba(91,140,255,.22), rgba(91,140,255,.12)); color: #bcd1ff; margin-bottom: 8px; }
.card h3 { margin: 6px 0 6px; font-size: 16px; letter-spacing: .2px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

/* 下载卡片 */
.download-card { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 22px; box-shadow: var(--shadow); }
.download-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.meta-item { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }
.meta-item i { color: #bcd1ff; }
.meta-item strong { color: var(--txt); font-size: 15px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0 14px; }
.checksum { display: flex; gap: 10px; align-items: center; justify-content: space-between; background: var(--panel-2); border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; }
.sum { display: flex; gap: 10px; align-items: center; }
.sum .label { color: #bcd1ff; font-weight: 700; font-size: 12px; letter-spacing: .4px; }
.sum code { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 12px; }
.copy { background: transparent; color: var(--txt); border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
.copy:hover { background: var(--panel); }
.req { color: var(--muted); font-size: 13px; margin: 8px 0 0; }

/* 二维码弹窗 */
.qr-modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; background: rgba(4,8,16,0.6); backdrop-filter: blur(6px) saturate(140%); padding: 20px; }
.qr-dialog { width: min(420px, 92%); background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); padding: 16px; }
.qr-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.qr-head h3 { margin: 0; font-size: 16px; letter-spacing: .2px; }
.qr-close { background: transparent; border: 1px solid var(--border); border-radius: 10px; color: var(--txt); padding: 6px 10px; cursor: pointer; }
.qr-close:hover { background: var(--panel-2); }
.qr-body { display: grid; place-items: center; gap: 10px; padding: 10px; border-radius: 12px; background: var(--panel-2); border: 1px solid var(--border); }
.qr-body img { width: 220px; height: 220px; border-radius: 10px; display: block; }
.qr-tip { margin: 2px 0 0; color: var(--muted); font-size: 13px; text-align: center; }

/* 页脚 */
.site-footer { border-top: 1px solid var(--border); padding: 24px 0 40px; background: linear-gradient(180deg, rgba(11,18,32,0.65), rgba(11,18,32,0.9)); }
.site-footer p { width: min(1120px, 92%); margin: 0 auto; color: var(--muted); font-size: 14px; text-align: center; }

/* 响应式 */
@media (max-width: 900px) {
	.grid .card { grid-column: span 12; }
	.download-meta { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
	.nav { height: 58px; }
	.nav-links { gap: 18px; }
	.btn { width: 100%; justify-content: center; }
	.actions { flex-direction: column; }
}