:root {
	--login-bg: #050810;
	--login-panel: rgba(255, 255, 255, 0.94);
	--login-border: rgba(148, 163, 184, 0.22);
	--login-text: #0f172a;
	--login-muted: #64748b;
	--login-accent: #8b5cf6;
	--login-accent-2: #06b6d4;
	--login-accent-strong: #6d28d9;
	--login-gradient: linear-gradient(135deg, #7c3aed 0%, #4f46e5 48%, #06b6d4 100%);
	--login-gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, 0.18) 0%, rgba(6, 182, 212, 0.12) 100%);
	--login-glow: 0 14px 36px rgba(124, 58, 237, 0.34), 0 0 24px rgba(6, 182, 212, 0.12);
	--login-brand-1: #0a0f1f;
	--login-brand-2: #141a35;
	--login-brand-3: #1e1b4b;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

.login-page {
	margin: 0;
	min-height: 100vh;
	background: var(--login-bg);
	color: var(--login-text);
	font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.login-page-back {
	position: fixed;
	top: clamp(0.85rem, 2vw, 1.25rem);
	left: clamp(0.85rem, 2vw, 1.25rem);
	z-index: 30;
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	padding: 0.58rem 1rem 0.58rem 0.85rem;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.34);
	background: rgba(255, 255, 255, 0.16);
	color: #f8fbff;
	font-size: 0.9rem;
	font-weight: 600;
	text-decoration: none;
	backdrop-filter: blur(12px);
	box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
	transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.login-page-back:hover {
	background: rgba(255, 255, 255, 0.26);
	border-color: rgba(255, 255, 255, 0.48);
	color: #fff;
	transform: translateY(-1px);
}

.login-page-back:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.45), 0 10px 28px rgba(0, 0, 0, 0.22);
}

.login-page-back i {
	font-size: 1rem;
}

.login-shell {
	min-height: 100vh;
	display: grid;
	grid-template-columns: minmax(320px, 1.05fr) minmax(360px, 0.95fr);
}

.login-brand {
	position: relative;
	overflow: hidden;
	padding: clamp(2rem, 5vw, 4rem);
	background:
		radial-gradient(circle at 18% 16%, rgba(139, 92, 246, 0.32), transparent 34%),
		radial-gradient(circle at 82% 78%, rgba(6, 182, 212, 0.18), transparent 30%),
		linear-gradient(145deg, var(--login-brand-1) 0%, var(--login-brand-2) 42%, var(--login-brand-3) 100%);
	color: #e8efff;
}

.login-brand-inner {
	position: relative;
	z-index: 1;
	max-width: 28rem;
	margin-top: clamp(1rem, 8vh, 4rem);
}

.login-brand-logo {
	display: inline-flex;
	align-items: center;
	gap: 0.65rem;
	text-decoration: none;
	color: #f1f5ff;
}

.login-brand-mark {
	width: 2.15rem;
	height: 2.15rem;
	color: #c4b5fd;
	flex: 0 0 auto;
}

.login-brand-name {
	font-size: 1.12rem;
	font-weight: 700;
	letter-spacing: 0.02em;
}

.login-brand-eyebrow {
	margin: 1.5rem 0 0.5rem;
	font-size: 0.78rem;
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: rgba(216, 228, 255, 0.72);
}

.login-brand-title {
	margin: 0;
	font-size: clamp(2rem, 4vw, 3.2rem);
	line-height: 1.08;
	font-weight: 700;
}

.login-brand-desc {
	margin: 1rem 0 0;
	max-width: 26rem;
	color: rgba(216, 228, 255, 0.82);
	font-size: 0.98rem;
	line-height: 1.7;
}

.login-brand-points {
	margin: 2rem 0 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 0.85rem;
}

.login-brand-points li {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	color: rgba(232, 239, 255, 0.88);
	font-size: 0.92rem;
}

.login-brand-points i {
	color: #a78bfa;
}

.login-brand-glow {
	position: absolute;
	inset: auto -10% -20% 20%;
	height: 320px;
	background: radial-gradient(circle, rgba(139, 92, 246, 0.32), transparent 68%);
	pointer-events: none;
}

.login-main {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: clamp(1.25rem, 3vw, 2.5rem);
	background:
		radial-gradient(circle at top right, rgba(139, 92, 246, 0.1), transparent 28%),
		radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.06), transparent 24%),
		linear-gradient(180deg, #f8f7ff 0%, #f1f5f9 100%);
}

.login-card {
	width: min(100%, 440px);
	padding: clamp(1.35rem, 3vw, 2rem);
	border-radius: 1.5rem;
	border: 1px solid rgba(255, 255, 255, 0.72);
	background: var(--login-panel);
	box-shadow:
		0 24px 60px rgba(15, 23, 42, 0.12),
		inset 0 1px 0 rgba(255, 255, 255, 0.65);
	backdrop-filter: blur(14px);
	animation: login-card-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes login-card-in {
	from {
		opacity: 0;
		transform: translateY(12px) scale(0.985);
	}
	to {
		opacity: 1;
		transform: translateY(0) scale(1);
	}
}

.login-card-head {
	margin-bottom: 1.25rem;
}

.login-card-title {
	margin: 0;
	font-size: 1.55rem;
	font-weight: 700;
	color: var(--login-text);
}

.login-card-subtitle {
	margin: 0.35rem 0 0;
	color: var(--login-muted);
	font-size: 0.92rem;
}

.login-messages {
	display: grid;
	gap: 0.55rem;
	margin-bottom: 1rem;
}

.login-alert {
	display: flex;
	align-items: flex-start;
	gap: 0.55rem;
	padding: 0.78rem 0.9rem;
	border-radius: 0.95rem;
	font-size: 0.86rem;
	line-height: 1.55;
	border: 1px solid transparent;
}

.login-alert__icon {
	flex: 0 0 auto;
	margin-top: 0.12rem;
	font-size: 1rem;
	line-height: 1;
	opacity: 0.92;
}

.login-alert__text {
	flex: 1 1 auto;
	min-width: 0;
}

.login-alert--error {
	background: linear-gradient(135deg, rgba(244, 63, 94, 0.08), rgba(139, 92, 246, 0.05));
	border-color: rgba(244, 63, 94, 0.22);
	color: #be123c;
}

.login-alert--error .login-alert__icon {
	color: #e11d48;
}

.login-alert--success {
	background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(6, 182, 212, 0.05));
	border-color: rgba(16, 185, 129, 0.22);
	color: #047857;
}

.login-alert--success .login-alert__icon {
	color: #059669;
}

.login-alert--info,
.login-alert--warning {
	background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(6, 182, 212, 0.06));
	border-color: rgba(139, 92, 246, 0.2);
	color: #5b21b6;
}

.login-alert--info .login-alert__icon,
.login-alert--warning .login-alert__icon {
	color: #7c3aed;
}

.login-alert--warning {
	border-color: rgba(245, 158, 11, 0.28);
	color: #b45309;
}

.login-alert--warning .login-alert__icon {
	color: #d97706;
}

.login-tabs {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.35rem;
	padding: 0.32rem;
	margin-bottom: 1.15rem;
	border-radius: 999px;
	border: 1px solid rgba(139, 92, 246, 0.16);
	background: rgba(241, 245, 249, 0.92);
}

.login-tab {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.45rem;
	border: 1px solid transparent;
	border-radius: 999px;
	padding: 0.74rem 0.85rem;
	background: transparent;
	color: #64748b;
	font-size: 0.88rem;
	font-weight: 600;
	cursor: pointer;
	transition: background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.login-tab i {
	font-size: 1rem;
	opacity: 0.82;
	transition: opacity 0.18s ease;
}

.login-tab:hover:not(.is-active) {
	color: #475569;
	background: rgba(255, 255, 255, 0.55);
	border-color: rgba(148, 163, 184, 0.22);
}

.login-tab.is-active {
	background: var(--login-gradient);
	color: #fff;
	border-color: rgba(255, 255, 255, 0.16);
	box-shadow: var(--login-glow);
	transform: translateY(-1px);
}

.login-tab.is-active i {
	opacity: 1;
}

.login-tab:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.28);
}

.login-tab.is-active:focus-visible {
	box-shadow: var(--login-glow), 0 0 0 3px rgba(167, 139, 250, 0.45);
}

.login-panel[hidden] {
	display: none;
}

.login-form {
	display: grid;
	gap: 1rem;
}

.login-field {
	display: grid;
	gap: 0.45rem;
}

.login-label {
	font-size: 0.82rem;
	font-weight: 600;
	color: #475569;
}

.login-input-wrap {
	position: relative;
}

.login-input-icon {
	position: absolute;
	left: 0.95rem;
	top: 50%;
	transform: translateY(-50%);
	color: #94a3b8;
	pointer-events: none;
}

.login-input {
	width: 100%;
	height: 3rem;
	padding: 0 1rem 0 2.65rem;
	border: 1px solid var(--login-border);
	border-radius: 0.95rem;
	background: rgba(255, 255, 255, 0.88);
	color: var(--login-text);
	font-size: 0.95rem;
	transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.login-input:focus {
	outline: none;
	border-color: rgba(139, 92, 246, 0.55);
	box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.14), 0 0 18px rgba(6, 182, 212, 0.08);
	background: #fff;
}

.login-input--captcha,
.login-input--otp {
	letter-spacing: 0.18em;
	font-weight: 600;
}

.login-input--password {
	padding-right: 2.85rem;
}

.login-input-wrap--password .login-password-toggle {
	position: absolute;
	right: 0.55rem;
	top: 50%;
	transform: translateY(-50%);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	padding: 0;
	border: 0;
	border-radius: 999px;
	background: transparent;
	color: #94a3b8;
	cursor: pointer;
	transition: color 0.18s ease, background-color 0.18s ease;
}

.login-input-wrap--password .login-password-toggle:hover {
	color: var(--login-accent);
	background: rgba(139, 92, 246, 0.1);
}

.login-captcha-row,
.login-otp-row {
	display: flex;
	gap: 0.65rem;
	align-items: stretch;
}

.login-input-wrap--captcha,
.login-input-wrap--otp {
	flex: 1;
	min-width: 0;
}

.login-captcha-image {
	flex: 0 0 auto;
	width: 132px;
	height: 3rem;
	padding: 0;
	border: 1px solid var(--login-border);
	border-radius: 0.95rem;
	background: #f4f7ff;
	cursor: pointer;
	overflow: hidden;
}

.login-captcha-image img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.login-otp-send {
	flex: 0 0 auto;
	min-width: 7.75rem;
	min-height: 3rem;
	height: 3rem;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0 1.1rem;
	border: 1px solid transparent;
	border-radius: 0.95rem;
	background:
		linear-gradient(#fff, #fff) padding-box,
		var(--login-gradient) border-box;
	color: var(--login-accent-strong);
	font-size: 0.86rem;
	font-weight: 700;
	letter-spacing: 0.02em;
	cursor: pointer;
	box-shadow: 0 8px 22px rgba(124, 58, 237, 0.12);
	transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease, color 0.18s ease;
}

.login-otp-send:hover:not(:disabled) {
	transform: translateY(-1px);
	color: #5b21b6;
	box-shadow: 0 12px 28px rgba(124, 58, 237, 0.22), 0 0 16px rgba(6, 182, 212, 0.12);
}

.login-otp-send:disabled {
	opacity: 0.55;
	cursor: not-allowed;
}

.login-hint {
	margin: 0;
	font-size: 0.78rem;
	color: var(--login-muted);
	line-height: 1.5;
}

.login-hint-warn {
	color: #dc2626;
	font-weight: 600;
}

.login-submit {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.15rem;
	width: 100%;
	height: 3.15rem;
	margin-top: 0.25rem;
	border: 0;
	border-radius: 999px;
	background: var(--login-gradient);
	color: #fff;
	font-size: 0.96rem;
	font-weight: 700;
	cursor: pointer;
	box-shadow: var(--login-glow);
	transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.login-submit:hover {
	transform: translateY(-1px);
	filter: brightness(1.06);
	box-shadow: 0 18px 40px rgba(124, 58, 237, 0.38), 0 0 28px rgba(6, 182, 212, 0.16);
}

.login-lockout {
	padding: 1rem 1.05rem;
	border-radius: 1rem;
	border: 1px solid rgba(244, 63, 94, 0.22);
	background: linear-gradient(135deg, rgba(244, 63, 94, 0.08), rgba(139, 92, 246, 0.05));
	color: #be123c;
	text-align: center;
}

.login-lockout-icon {
	font-size: 1.5rem;
	margin-bottom: 0.35rem;
}

.login-card-foot {
	margin-top: 1.25rem;
	padding-top: 1rem;
	border-top: 1px solid rgba(148, 163, 184, 0.16);
}

.login-back-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.4rem;
	width: 100%;
	padding: 0.62rem 0.85rem;
	border-radius: 0.85rem;
	color: var(--login-muted);
	text-decoration: none;
	font-size: 0.88rem;
	font-weight: 500;
	transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.login-back-link--secondary {
	border: 1px solid rgba(148, 163, 184, 0.22);
	background: rgba(148, 163, 184, 0.08);
}

.login-back-link:hover {
	color: var(--login-accent);
	background: rgba(139, 92, 246, 0.08);
	border-color: rgba(139, 92, 246, 0.24);
}

.login-footer {
	margin-top: 1.25rem;
	font-size: 0.78rem;
	color: var(--login-muted);
}

.login-footer .site-beian-row {
	justify-content: center;
}

@media (max-width: 991.98px) {
	.login-shell {
		grid-template-columns: 1fr;
	}

	.login-brand {
		display: none;
	}

	.login-main {
		min-height: 100vh;
	}

	.login-page-back {
		border-color: rgba(139, 92, 246, 0.32);
		background: rgba(255, 255, 255, 0.94);
		color: var(--login-accent-strong);
		box-shadow: 0 10px 28px rgba(15, 23, 42, 0.14);
	}

	.login-page-back:hover {
		background: #fff;
		color: #5b21b6;
		border-color: rgba(139, 92, 246, 0.45);
	}
}

@media (max-width: 480px) {
	.login-card {
		padding: 1.15rem;
		border-radius: 1.15rem;
	}

	.login-captcha-row {
		flex-direction: column;
	}

	.login-captcha-image {
		width: 100%;
		min-width: 0;
		height: 3.15rem;
	}

	.login-otp-row {
		flex-direction: row;
	}

	.login-otp-send {
		flex: 0 0 auto;
		width: auto;
		min-width: 6.75rem;
		max-width: 42%;
		min-height: 3rem;
		height: 3rem;
		padding: 0 0.75rem;
		font-size: 0.82rem;
	}
}

@media (prefers-color-scheme: dark) {
	.login-main {
		background:
			radial-gradient(circle at top right, rgba(139, 92, 246, 0.16), transparent 28%),
			radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.1), transparent 24%),
			linear-gradient(180deg, #070b14 0%, #0c1220 100%);
	}

	.login-card {
		background: rgba(12, 18, 32, 0.94);
		border-color: rgba(139, 92, 246, 0.14);
		box-shadow:
			0 24px 60px rgba(0, 0, 0, 0.34),
			inset 0 1px 0 rgba(255, 255, 255, 0.04);
	}

	.login-card-title,
	.login-input {
		color: #e2e8f0;
	}

	.login-card-subtitle,
	.login-hint,
	.login-back-link,
	.login-footer {
		color: #94a3b8;
	}

	.login-tabs {
		background: rgba(15, 23, 42, 0.82);
		border-color: rgba(139, 92, 246, 0.18);
	}

	.login-tab {
		color: #94a3b8;
	}

	.login-tab:hover:not(.is-active) {
		color: #cbd5e1;
		background: rgba(255, 255, 255, 0.05);
		border-color: rgba(148, 163, 184, 0.14);
	}

	.login-tab.is-active {
		background: var(--login-gradient);
		color: #fff;
		border-color: rgba(255, 255, 255, 0.12);
		box-shadow: var(--login-glow);
	}

	.login-page-back {
		border-color: rgba(139, 92, 246, 0.28);
		background: rgba(12, 18, 32, 0.9);
		color: #e9d5ff;
		box-shadow: 0 10px 28px rgba(0, 0, 0, 0.32);
	}

	.login-page-back:hover {
		background: rgba(20, 28, 48, 0.96);
		color: #fff;
		border-color: rgba(167, 139, 250, 0.45);
	}

	.login-back-link--secondary {
		border-color: rgba(139, 92, 246, 0.16);
		background: rgba(139, 92, 246, 0.06);
	}

	.login-back-link:hover {
		background: rgba(139, 92, 246, 0.14);
		border-color: rgba(167, 139, 250, 0.28);
		color: #ddd6fe;
	}

	.login-input {
		background: rgba(8, 12, 24, 0.88);
		border-color: rgba(148, 163, 184, 0.16);
	}

	.login-input:focus {
		background: #0a0f1c;
		border-color: rgba(167, 139, 250, 0.45);
		box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.16), 0 0 20px rgba(6, 182, 212, 0.1);
	}

	.login-otp-send {
		background:
			linear-gradient(rgba(10, 15, 28, 0.96), rgba(10, 15, 28, 0.96)) padding-box,
			var(--login-gradient) border-box;
		color: #ddd6fe;
		box-shadow: 0 10px 26px rgba(124, 58, 237, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.04);
	}

	.login-otp-send:hover:not(:disabled) {
		color: #f5f3ff;
		box-shadow: 0 14px 32px rgba(124, 58, 237, 0.32), 0 0 20px rgba(6, 182, 212, 0.14);
	}

	.login-alert--error {
		background: rgba(244, 63, 94, 0.12);
		border-color: rgba(251, 113, 133, 0.28);
		color: #fecdd3;
	}

	.login-alert--error .login-alert__icon {
		color: #fb7185;
	}

	.login-alert--success {
		background: rgba(16, 185, 129, 0.12);
		border-color: rgba(52, 211, 153, 0.28);
		color: #a7f3d0;
	}

	.login-alert--success .login-alert__icon {
		color: #6ee7b7;
	}

	.login-alert--info,
	.login-alert--warning {
		background: rgba(139, 92, 246, 0.12);
		border-color: rgba(167, 139, 250, 0.28);
		color: #ddd6fe;
	}

	.login-alert--info .login-alert__icon,
	.login-alert--warning .login-alert__icon {
		color: #c4b5fd;
	}

	.login-alert--warning {
		border-color: rgba(245, 158, 11, 0.28);
		color: #fde68a;
	}

	.login-alert--warning .login-alert__icon {
		color: #fbbf24;
	}

	.login-lockout {
		background: rgba(244, 63, 94, 0.12);
		border-color: rgba(251, 113, 133, 0.28);
		color: #fecdd3;
	}

	.login-lockout-icon {
		color: #fb7185;
	}
}