:root {
	--bg-top: #16324f;
	--bg-bottom: #0b1522;
	--panel: rgba(255, 255, 255, 0.08);
	--panel-border: rgba(255, 255, 255, 0.16);
	--text: #f4f7fb;
	--muted: #a9b7c8;
	--accent: #3ecf8e;
	--accent-soft: rgba(62, 207, 142, 0.18);
	--shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
	--radius: 22px;
	--font-display: "Avenir Next", "PingFang SC", "Hiragino Sans GB",
		"Microsoft YaHei", sans-serif;
	--font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
		sans-serif;
}

* {
	box-sizing: border-box;
}

html,
body {
	margin: 0;
	min-height: 100%;
}

body {
	font-family: var(--font-body);
	color: var(--text);
	background:
		radial-gradient(ellipse 120% 80% at 10% -10%, #2a6f97 0%, transparent 55%),
		radial-gradient(ellipse 90% 60% at 100% 0%, #1b4d3e 0%, transparent 45%),
		linear-gradient(165deg, var(--bg-top), var(--bg-bottom));
	background-attachment: fixed;
}

.app {
	width: min(100%, 440px);
	margin: 0 auto;
	padding: 28px 20px 40px;
}

.hero {
	margin-bottom: 22px;
	animation: rise 0.55s ease both;
}

.eyebrow {
	margin: 0 0 8px;
	font-size: 12px;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--accent);
}

.hero h1 {
	margin: 0;
	font-family: var(--font-display);
	font-size: clamp(28px, 8vw, 36px);
	font-weight: 700;
	letter-spacing: 0.02em;
}

.subtitle {
	margin: 10px 0 0;
	color: var(--muted);
	font-size: 15px;
	line-height: 1.55;
}

.result-card {
	padding: 24px 22px;
	border: 1px solid var(--panel-border);
	border-radius: var(--radius);
	background: var(--panel);
	box-shadow: var(--shadow);
	backdrop-filter: blur(12px);
	animation: rise 0.7s ease both;
}

.brand-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 6px 12px;
	margin-bottom: 18px;
	border-radius: 999px;
	background: var(--accent-soft);
	color: var(--accent);
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.04em;
}

.label {
	margin: 0 0 4px;
	color: var(--muted);
	font-size: 12px;
	letter-spacing: 0.08em;
}

.result-card h2 {
	margin: 0 0 18px;
	font-family: var(--font-display);
	font-size: 30px;
	font-weight: 700;
}

.model {
	margin: 0 0 14px;
	font-size: 20px;
	font-weight: 600;
	word-break: break-word;
}

.meta {
	margin: 0;
	color: var(--muted);
	font-size: 13px;
	line-height: 1.5;
}

.detail {
	margin-top: 18px;
	animation: rise 0.85s ease both;
}

details {
	padding: 14px 16px;
	border: 1px solid var(--panel-border);
	border-radius: 16px;
	background: rgba(0, 0, 0, 0.18);
}

summary {
	cursor: pointer;
	color: var(--muted);
	font-size: 14px;
	user-select: none;
}

pre {
	margin: 12px 0 0;
	padding: 12px;
	overflow-x: auto;
	border-radius: 12px;
	background: rgba(0, 0, 0, 0.28);
	color: #d7e2ef;
	font-size: 12px;
	line-height: 1.55;
	white-space: pre-wrap;
	word-break: break-word;
}

@keyframes rise {
	from {
		opacity: 0;
		transform: translateY(12px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@media (min-width: 768px) {
	.app {
		padding-top: 56px;
	}
}