/* EastDigi — 全站底部悬浮独立站诊断栏 */
.ed-floating-diag {
	--ed-floating-diag-bg: linear-gradient(135deg, #0e0018 0%, #220041 55%, #2b0052 100%);
	--ed-floating-diag-avatar-w: clamp(88px, 11.5vw, 122px);
	--ed-floating-diag-avatar-h: clamp(152px, 19.5vw, 192px);
	--ed-floating-diag-avatar-overhang: clamp(44px, 6vw, 58px);
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 9998;
	padding:
		var(--ed-floating-diag-avatar-overhang)
		clamp(10px, 2.5vw, 20px)
		clamp(10px, 2vw, 14px);
	pointer-events: none;
	opacity: 0;
	visibility: hidden;
	transform: translateY(110%);
	transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.45s ease;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
	font-size: 16px;
	line-height: 1.5;
	color: #fff;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

.ed-floating-diag *,
.ed-floating-diag *::before,
.ed-floating-diag *::after {
	box-sizing: border-box;
}

.ed-floating-diag p,
.ed-floating-diag figure {
	margin: 0;
	padding: 0;
}

.ed-floating-diag input,
.ed-floating-diag button {
	font-family: inherit;
	font-size: inherit;
	line-height: inherit;
	letter-spacing: normal;
	text-transform: none;
	appearance: none;
	-webkit-appearance: none;
}

.ed-floating-diag.is-visible {
	pointer-events: auto;
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.ed-floating-diag__panel {
	position: relative;
	max-width: 1200px;
	margin: 0 auto;
	padding:
		0.65rem
		3rem
		0.65rem
		calc(var(--ed-floating-diag-avatar-w) + 0.5rem);
	border-radius: 14px 14px 10px 10px;
	background: var(--ed-floating-diag-bg);
	border: 1px solid rgba(130, 0, 250, 0.35);
	box-shadow:
		0 -8px 40px rgba(14, 0, 24, 0.45),
		0 0 0 1px rgba(255, 255, 255, 0.04) inset;
	overflow: visible;
}

.ed-floating-diag__close {
	position: absolute;
	top: 10px;
	right: 14px;
	width: 30px;
	height: 30px;
	border: none;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.08);
	color: rgba(255, 255, 255, 0.75);
	font-size: 20px;
	line-height: 1;
	cursor: pointer;
	transition: background 0.2s ease, color 0.2s ease;
	z-index: 3;
}

.ed-floating-diag__close:hover,
.ed-floating-diag__close:focus {
	background: rgba(255, 255, 255, 0.16);
	color: #fff;
	outline: none;
}

.ed-floating-diag__inner {
	position: static;
	display: flex;
	align-items: center;
	padding-right: 0.5rem;
	min-height: 50px;
}

/* 头像：底边与栏体底边齐平，上半身探出栏外 */
.ed-floating-diag__figure {
	position: absolute;
	left: clamp(4px, 1vw, 10px);
	bottom: 0;
	width: var(--ed-floating-diag-avatar-w);
	margin: 0;
	padding: 0;
	line-height: 0;
	pointer-events: none;
	user-select: none;
	z-index: 2;
}

.ed-floating-diag__figure::before {
	content: '';
	position: absolute;
	left: 50%;
	bottom: 18%;
	transform: translateX(-50%);
	width: 88%;
	height: 48%;
	background: radial-gradient(ellipse at center, rgba(130, 0, 250, 0.45) 0%, rgba(240, 36, 246, 0.12) 50%, transparent 75%);
	filter: blur(9px);
	z-index: 0;
}

.ed-floating-diag__figure img {
	position: relative;
	z-index: 1;
	display: block;
	width: 100%;
	height: var(--ed-floating-diag-avatar-h);
	object-fit: contain;
	object-position: bottom center;
	transform: none;
	margin: 0;
	filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.38));
}

.ed-floating-diag__body {
	flex: 1 1 0;
	min-width: 0;
	display: flex;
	flex-wrap: nowrap;
	align-items: center;
	justify-content: flex-start;
	gap: 1rem clamp(1.5rem, 3vw, 2.5rem);
}

.ed-floating-diag__copy {
	flex: 0 0 auto;
	min-width: 0;
	max-width: 360px;
}

.ed-floating-diag__title {
	margin: 0 0 0.25rem;
	font-size: 16px;
	font-weight: 800;
	color: #fff;
	line-height: 1.4;
}

.ed-floating-diag__subtitle {
	margin: 0;
	font-size: 13px;
	color: rgba(255, 255, 255, 0.78);
	line-height: 1.5;
}

@media (min-width: 768px) {
	.ed-floating-diag__title {
		font-size: 17px;
	}

	.ed-floating-diag__subtitle {
		font-size: 14px;
	}
}

.ed-floating-diag__form {
	flex: 1 1 auto;
	display: flex;
	flex-wrap: nowrap;
	align-items: stretch;
	justify-content: center;
	gap: 0.5rem;
	min-width: 0;
	margin-left: auto;
	margin-right: clamp(1.75rem, 3.5vw, 2.75rem);
}

.ed-floating-diag__field {
	flex: 1 1 auto;
	min-width: 0;
	padding: 0.55rem 0.75rem;
	border: 1px solid rgba(255, 255, 255, 0.14);
	border-radius: 8px;
	background: rgba(255, 255, 255, 0.96);
	color: #1e293b;
	font-size: 13px;
	line-height: 1.35;
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.ed-floating-diag__field[name="name"] {
	flex: 0 1 96px;
	max-width: 108px;
	min-width: 72px;
}

.ed-floating-diag__field[name="email"] {
	flex: 0 1 136px;
	max-width: 156px;
	min-width: 96px;
}

.ed-floating-diag__field::placeholder {
	color: #94a3b8;
}

.ed-floating-diag__field:focus {
	outline: none;
	border-color: #8200fa;
	box-shadow: 0 0 0 3px rgba(130, 0, 250, 0.22);
}

.ed-floating-diag__field--error {
	border-color: #f87171 !important;
	animation: edFloatingDiagShake 0.35s ease;
}

.ed-floating-diag__field--url {
	flex: 1 1 160px;
	min-width: 120px;
	max-width: 240px;
}

.ed-floating-diag__submit {
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.3rem;
	padding: 0.58rem 1.05rem;
	border: none;
	border-radius: 8px;
	background: linear-gradient(90deg, #8200fa 0%, #f024f6 100%);
	color: #fff;
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	cursor: pointer;
	white-space: nowrap;
	box-shadow: 0 5px 18px rgba(130, 0, 250, 0.32);
	transition: opacity 0.2s ease, transform 0.2s ease;
}

.ed-floating-diag__submit:hover {
	opacity: 0.95;
	transform: translateY(-1px);
}

/* 提交成功 / 失败反馈 */
.ed-floating-diag__success,
.ed-floating-diag__error {
	display: none;
	flex: 1 1 auto;
	min-width: 0;
}

.ed-floating-diag__success {
	align-items: center;
	gap: 0.35rem 0.75rem;
	padding: 0.15rem 0.5rem 0.15rem 0;
	text-align: left;
}

.ed-floating-diag__success-icon {
	flex: 0 0 auto;
	font-size: 22px;
	line-height: 1;
}

.ed-floating-diag__success-title {
	margin: 0;
	font-size: 16px;
	font-weight: 800;
	color: #fff;
	line-height: 1.35;
}

.ed-floating-diag__success-text {
	margin: 0;
	font-size: 13px;
	color: rgba(255, 255, 255, 0.82);
	line-height: 1.55;
}

.ed-floating-diag__success-text strong {
	color: #f0abfc;
	font-weight: 700;
}

.ed-floating-diag__error {
	padding: 0.5rem 0.75rem;
	border-radius: 8px;
	background: rgba(127, 29, 29, 0.35);
	border: 1px solid rgba(248, 113, 113, 0.35);
}

.ed-floating-diag__error-text {
	margin: 0;
	font-size: 13px;
	color: #fecaca;
	line-height: 1.55;
}

.ed-floating-diag__error-text strong {
	color: #fff;
	font-weight: 700;
}

.ed-floating-diag--submitted .ed-floating-diag__copy,
.ed-floating-diag--submitted .ed-floating-diag__form {
	display: none !important;
}

.ed-floating-diag--submitted .ed-floating-diag__success:not([hidden]),
.ed-floating-diag--submitted .ed-floating-diag__error:not([hidden]) {
	display: flex;
}

.ed-floating-diag--submitted .ed-floating-diag__body {
	justify-content: center;
}

@keyframes edFloatingDiagShake {
	0%, 100% { transform: translateX(0); }
	25% { transform: translateX(-4px); }
	75% { transform: translateX(4px); }
}

body.ed-floating-diag-visible .ed-scroll-to-top {
	bottom: calc(clamp(20px, 4vw, 32px) + 78px);
}

/* 中等屏：表单可换行，字段宽度回归弹性 */
@media (max-width: 1100px) {
	.ed-floating-diag__form {
		flex-wrap: wrap;
	}

	.ed-floating-diag__field[name="name"] {
		flex: 1 1 88px;
		max-width: none;
	}

	.ed-floating-diag__field[name="email"] {
		flex: 1 1 120px;
		max-width: none;
	}
}

/* 平板：表单换行，头像仍底对齐探出 */
@media (max-width: 991px) {
	.ed-floating-diag__body {
		flex-wrap: wrap;
		gap: 0.75rem 1rem;
	}

	.ed-floating-diag__copy {
		flex: 1 1 100%;
		max-width: none;
	}

	.ed-floating-diag__form {
		flex: 1 1 100%;
		flex-wrap: wrap;
		justify-content: flex-start;
		margin-left: 0;
		margin-right: 0;
	}
}

/* 手机：头像左下 + 文案/表单纵向堆叠 */
@media (max-width: 767px) {
	.ed-floating-diag {
		--ed-floating-diag-avatar-w: clamp(92px, 26vw, 112px);
		--ed-floating-diag-avatar-h: clamp(152px, 38vw, 176px);
		--ed-floating-diag-avatar-overhang: clamp(32px, 8vw, 44px);
		padding-left: 8px;
		padding-right: 8px;
	}

	.ed-floating-diag__panel {
		padding:
			0.95rem
			2.75rem
			0.85rem
			calc(var(--ed-floating-diag-avatar-w) + 0.75rem);
		border-radius: 12px 12px 8px 8px;
	}

	.ed-floating-diag__inner {
		padding-right: 0;
		min-height: 56px;
	}

	.ed-floating-diag__figure {
		left: 0;
	}

	.ed-floating-diag__body {
		flex-direction: column;
		align-items: stretch;
		gap: 0.9rem;
		width: 100%;
	}

	.ed-floating-diag__copy {
		flex: 0 0 auto;
		width: 100%;
		max-width: none;
		padding: 0.15rem 0.25rem 0 0;
		margin-bottom: 0;
	}

	.ed-floating-diag__title {
		font-size: 16px;
		line-height: 1.4;
		margin-bottom: 0.35rem;
	}

	.ed-floating-diag__subtitle {
		font-size: 13px;
		line-height: 1.5;
		color: rgba(255, 255, 255, 0.78);
	}

	.ed-floating-diag__form {
		flex-direction: column;
		align-items: stretch;
		justify-content: center;
		gap: 0.55rem;
		width: 100%;
		max-width: none;
		margin-left: 0;
		margin-right: 0;
	}

	.ed-floating-diag__field,
	.ed-floating-diag__field[name="name"],
	.ed-floating-diag__field[name="email"],
	.ed-floating-diag__field--url {
		flex: 0 0 auto;
		width: 100%;
		max-width: none;
		min-width: 0;
		padding: 0.62rem 0.8rem;
		font-size: 13px;
	}

	.ed-floating-diag__submit {
		width: 100%;
		max-width: none;
		padding: 0.68rem 0.85rem;
		font-size: 12px;
		margin-right: 0;
		margin-top: 0.2rem;
	}

	.ed-floating-diag__success {
		flex-direction: column;
		align-items: flex-start;
		text-align: left;
		padding: 0.1rem 0.25rem 0.15rem 0;
		gap: 0.35rem;
	}

	.ed-floating-diag__success-icon {
		font-size: 24px;
	}

	.ed-floating-diag__success-title {
		font-size: 16px;
	}

	.ed-floating-diag__success-text {
		font-size: 13px;
	}

	.ed-floating-diag__error {
		width: 100%;
	}

	.ed-floating-diag--submitted .ed-floating-diag__body {
		align-items: stretch;
	}

	.ed-floating-diag__close {
		top: 10px;
		right: 12px;
		width: 28px;
		height: 28px;
		font-size: 18px;
	}

	body.ed-floating-diag-visible .ed-scroll-to-top {
		bottom: calc(14px + 248px);
	}
}

/* 超窄屏：略缩头像，保留通栏表单与 PC 同级字号 */
@media (max-width: 399px) {
	.ed-floating-diag {
		--ed-floating-diag-avatar-w: 84px;
		--ed-floating-diag-avatar-h: 138px;
		--ed-floating-diag-avatar-overhang: 28px;
	}

	.ed-floating-diag__panel {
		padding-left: calc(var(--ed-floating-diag-avatar-w) + 0.65rem);
		padding-top: 0.9rem;
	}

	.ed-floating-diag__subtitle {
		display: -webkit-box;
		-webkit-line-clamp: 2;
		-webkit-box-orient: vertical;
		overflow: hidden;
	}

	body.ed-floating-diag-visible .ed-scroll-to-top {
		bottom: calc(12px + 240px);
	}
}

@media (prefers-reduced-motion: reduce) {
	.ed-floating-diag {
		transition: opacity 0.2s ease, visibility 0.2s ease;
		transform: none;
	}
}