* {
		margin: 0;
		padding: 0;
		box-sizing: border-box;
		font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
		text-decoration: none !important;
}
/* -------------------- html：全局画布 + 滚动条常驻 -------------------- */
html {
		width: 100%;
		min-height: 100vh;
		background: #0F1419;
		background: var(--bg);
		color: #F5F1E4;
		color: var(--text);
		overflow-x: hidden;
		/* 🔑 关键：把滚动条常驻写在 html 上，永远不被覆盖 */
		overflow-y: scroll; 
		/* Firefox 滚动条样式也写在 html 上 */
		scrollbar-width: thin;
		scrollbar-color: var(--neon-cyan) var(--glass);
		-webkit-overflow-scrolling: touch;
}

/* WebKit 滚动条样式统一写在 html 上 */
::-webkit-scrollbar {
		width: 6px;
		height: 6px;
}
::-webkit-scrollbar-thumb {
		background: var(--neon-cyan);
		border-radius: 3px;
}
::-webkit-scrollbar-track {
		background: var(--glass);
}

/* -------------------- body：内容承载 + safe-area + 透明背景 -------------------- */
body {
		width: 100%;
		min-height: 100vh;
		background: transparent; /* 🔑 透明，透出背景图 */
		color: inherit;
		/* 🔑 body 不设置 overflow-y，完全交给 html */
		overflow-x: hidden;
		/* padding 只在这里设置一份，避免双重压缩 */
		padding: constant(safe-area-inset-top) constant(safe-area-inset-right) constant(safe-area-inset-bottom) constant(safe-area-inset-left);
		padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
		transition: background 0.3s cubic-bezier(0.4,0,0.2,1), color 0.3s cubic-bezier(0.4,0,0.2,1);
		-webkit-overflow-scrolling: touch;
}

/* -------------------- 弹窗防滚动：只禁止 body 内部滚动，不碰 html -------------------- */
body.no-scroll {
		/* 这里的 overflow: hidden 仍然生效，禁止背景内容滚动 */
		/* 但因为滚动条是 html 的，所以滚动条不会消失，布局不会抖动 */
		overflow: hidden;
}
:root {
		--radius: 16px;
		--radius-sm: 10px;
		--trans: transform 0.3s cubic-bezier(0.4,0,0.2,1), border-color 0.3s cubic-bezier(0.4,0,0.2,1), box-shadow 0.3s cubic-bezier(0.4,0,0.2,1), opacity 0.3s cubic-bezier(0.4,0,0.2,1), background 0.3s cubic-bezier(0.4,0,0.2,1), color 0.3s cubic-bezier(0.4,0,0.2,1);
		--gold-deep: #C8B38F;
		--gold-fade: rgba(200,179,143,0.08);
		--gold-border: rgba(200,179,143,0.25);
		--gold-glow: rgba(200,179,143,0.18);
		--ai-silver: #94A7C2;
		--ai-deep: #6482B0;
		--ai-fade: rgba(100,130,176,0.05);
		--ai-border: rgba(100,130,176,0.18);
		--ai-glow: rgba(100,130,176,0.12);
}
:root[data-theme="dark"] {
		--bg: #0F1419;
		--glass: rgba(255,255,255,0.05);
		--glass-solid: rgba(15,20,25,0.92);
		--neon-cyan: #E5C699;
		--neon-blue: #D4AF37;
		--neon-purple: #F0DBA8;
		--text: #F5F1E4;
		--sub: #B8B2A3;
		--success: #2D9077;
		--danger: #A85D5D;
		--border: rgba(229,198,153,0.15);
		--shadow: 0 10px 30px rgba(212,175,55,0.09);
		--bg-gradient-1: rgba(229,198,153,0.04);
		--bg-gradient-2: rgba(212,175,55,0.04);
}
:root[data-theme="light"] {
		--bg: #F5F7FA;
		--glass: rgba(255,255,255,0.92);
		--glass-solid: rgba(255,255,255,0.96);
		--neon-cyan: #947F58;
		--neon-blue: #B8A278;
		--neon-purple: #B8A278;
		--text: #1E293B;
		--sub: #4B5563;
		--success: #059669;
		--danger: #DC2626;
		--border: rgba(148,127,88,0.25);
		--shadow: 0 8px 24px rgba(148,127,88,0.15);
		--bg-gradient-1: rgba(184,162,120,0.03);
		--bg-gradient-2: rgba(105,136,184,0.03);
		--gold-deep: #947F58;
		--gold-fade: rgba(148,127,88,0.08);
		--gold-border: rgba(148,127,88,0.25);
		--gold-glow: rgba(148,127,88,0.18);
		--ai-silver: #64748B;
		--ai-deep: #476694;
		--ai-fade: rgba(71,102,148,0.05);
		--ai-border: rgba(71,102,148,0.20);
		--ai-glow: rgba(71,102,148,0.12);
}
:root[data-theme="light"] ::-webkit-scrollbar-thumb { background: #999 !important; }
:root[data-theme="light"] .form-card {
		background: linear-gradient(90deg, rgba(184,162,120,0.06), rgba(212,194,156,0.06));
}
:root[data-theme="light"] .form-input:focus {
		background: rgba(184,162,120,0.02);
}
.bg-gradient {
		position: fixed;
		top: 0; right: 0; bottom: 0; left: 0;
		background: radial-gradient(circle at 22% 12%, var(--bg-gradient-1) 0%, transparent 35%),
								radial-gradient(circle at 78% 85%, var(--bg-gradient-2) 0%, transparent 35%);
		z-index: -2;
		transition: var(--trans);
		background-attachment: fixed;
}
.page-container {
		width: 94%;
		max-width: 480px;
		min-height: 100vh;
		margin: 0 auto;
		display: flex;
		flex-direction: column;
		justify-content: flex-start;
		padding: 40px 0;
		gap: 32px;
}
.header-bar {
		display: flex;
		align-items: center;
		justify-content: space-between;
		width: 100%;
		position: sticky;
		top: 0;
		z-index: 10;
		background: var(--glass-solid);
		-webkit-backdrop-filter: blur(20px);
		backdrop-filter: blur(20px);
		border: 1px solid var(--border);
		border-radius: var(--radius);
		padding: 16px 20px;
		transition: var(--trans);
}
.logo {
		font-weight: 700;
		font-size: 28px;
		background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue));
		-webkit-background-clip: text;
		background-clip: text;
		-webkit-text-fill-color: transparent;
		color: var(--neon-cyan);
		letter-spacing: 1px;
		display: inline-block;
}
.theme-toggle {
		width: 42px; height: 42px;
		border-radius: 50%;
		background: var(--glass-solid);
		border: 1px solid var(--border);
		-webkit-backdrop-filter: blur(20px);
		backdrop-filter: blur(20px);
		display: flex;
		align-items: center;
		justify-content: center;
		cursor: pointer;
		transition: var(--trans);
		font-size: 18px;
		touch-action: manipulation;
}
.theme-toggle:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); }
.theme-toggle:active { transform: scale(0.95); }
.theme-toggle.active {
		border-color: var(--neon-cyan);
		color: var(--neon-cyan);
		box-shadow: 0 0 8px var(--gold-glow);
}
.btn {
		padding: 10px 20px;
		border-radius: var(--radius-sm);
		font-weight: 600;
		cursor: pointer;
		transition: var(--trans);
		border: none;
		min-width: 90px;
		height: 42px;
		display: flex;
		align-items: center;
		justify-content: center;
		flex-shrink: 0;
		white-space: nowrap;
		touch-action: manipulation;
}
.btn-primary {
		background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue));
		color: #0F1419;
		box-shadow: var(--shadow);
}
.btn-outline {
		background: transparent;
		border: 1px solid var(--neon-cyan);
		color: var(--neon-cyan);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); opacity: 0.85; }
.btn:disabled { opacity: 0.5; pointer-events: none; transform: none; }
.modal-btn { margin: 12px auto 0; display: block; }

.form-wrapper {
		flex: 1;
		display: flex;
		align-items: center;
}
.form-card {
		width: 100%;
		background: linear-gradient(90deg, rgba(229,198,153,0.06), rgba(212,175,55,0.06));
		border: 1px solid var(--neon-cyan);
		border-radius: var(--radius);
		padding: 32px 24px;
		transition: var(--trans);
		box-shadow: var(--shadow);
}
.form-card:hover { box-shadow: 0 12px 36px var(--gold-glow); }

.form-tab {
		display: flex;
		gap: 0;
		border-radius: var(--radius-sm);
		background: var(--glass);
		padding: 4px;
		margin-bottom: 32px;
}
.form-tab-btn {
		flex: 1;
		padding: 10px 0;
		border-radius: 6px;
		background: transparent;
		border: none;
		color: var(--sub);
		font-weight: 500;
		font-size: 16px;
		cursor: pointer;
		transition: var(--trans);
		touch-action: manipulation;
}
.form-tab-btn.active {
		background: var(--neon-cyan);
		color: #0F1419;
		font-weight: 600;
}
.form-tab-btn:hover:not(.active) { color: var(--text); }

.form-content { display: none; }
.form-content.active { display: block; animation: fadeIn 0.3s forwards; }
@keyframes fadeIn {
		from { opacity: 0; transform: translateY(8px); }
		to { opacity: 1; transform: translateY(0); }
}

.form-group { margin-bottom: 20px; width: 100%; }
.form-label { display: block; margin-bottom: 8px; color: var(--text); font-weight: 500; font-size: 14px; }
.form-input {
		width: 100%; height: 48px;
		padding: 0 16px;
		border-radius: var(--radius-sm);
		background: var(--glass-solid);
		border: 1px solid var(--border);
		color: var(--text);
		font-size: 16px;
		transition: var(--trans);
		outline: none;
}
.form-input:focus {
		border-color: var(--neon-cyan);
		box-shadow: 0 0 0 3px var(--gold-fade);
}
.form-input::placeholder { color: var(--sub); opacity: 0.7; }
.input-error { border-color: var(--danger) !important; }
.error-text { margin-top: 6px; font-size: 12px; color: var(--danger); display: none; }
.error-text.show { display: block; }

.form-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; gap: 10px; }
/* 终极复选框对齐方案：永不分离 */
.form-checkbox-wrap {
		display: flex;
		align-items: flex-start;
		gap: 8px;
		cursor: pointer;
		touch-action: manipulation;
}
.form-checkbox {
		width: 16px;
		height: 16px;
		accent-color: var(--neon-cyan);
		cursor: pointer;
		flex-shrink: 0;
		margin-top: 2px; /* 与首行文字视觉居中对齐 */
}
.checkbox-text {
		color: var(--sub);
		font-size: 14px;
		user-select: none;
		line-height: 1.5;
}
.link-text {
		color: var(--neon-cyan);
		font-size: 14px;
		cursor: pointer;
		transition: var(--trans);
		touch-action: manipulation;
		white-space: nowrap;
}
.link-text:hover { opacity: 0.8; text-decoration: underline !important; }

.submit-btn {
		width: 100%; height: 50px;
		border-radius: var(--radius);
		background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue));
		color: #0F1419;
		font-weight: 600; font-size: 16px;
		border: none; cursor: pointer;
		transition: var(--trans);
		box-shadow: var(--shadow);
		margin-bottom: 20px;
		touch-action: manipulation;
}
.submit-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 32px var(--gold-glow); }
.submit-btn:active { transform: translateY(0); opacity: 0.9; }
.submit-btn:disabled { opacity: 0.5; pointer-events: none; transform: none; }

.footer-bar { text-align: center; color: var(--sub); font-size: 12px; line-height: 1.6; }
.footer-links { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.footer-links a { color: var(--sub); cursor: pointer; transition: var(--trans); touch-action: manipulation; }
.footer-links a:hover { color: var(--neon-cyan); }
.back-home { display: inline-block; margin-top: 16px; color: var(--neon-cyan); font-size: 14px; cursor: pointer; transition: var(--trans); }
.back-home:hover { opacity: 0.8; }

.modal {
		position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 999;
		background: rgba(0,0,0,0.6);
		opacity: 0; visibility: hidden; pointer-events: none;
		display: flex; align-items: center; justify-content: center; height: 100vh;
		transition: opacity 0.3s ease, visibility 0.3s ease;
		padding-top: env(safe-area-inset-top);
		padding-bottom: env(safe-area-inset-bottom);
}
.modal.show { opacity: 1; visibility: visible; pointer-events: auto; }
.modal-box {
		width: calc(100% - 32px); max-width: 460px; padding: 30px;
		border-radius: var(--radius);
		background: var(--glass-solid);
		-webkit-backdrop-filter: blur(24px);
		backdrop-filter: blur(24px);
		border: 1px solid var(--border);
		text-align: center;
		max-height: 90vh;
		overflow-y: auto;
		-webkit-overflow-scrolling: touch;
}
.modal-title { font-weight: 600; margin-bottom: 12px; color: var(--text); }
.modal-desc { color: var(--sub); margin-bottom: 20px; line-height: 1.6; }

.loading {
		position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 998;
		opacity: 0; visibility: hidden; pointer-events: none;
		display: flex; align-items: center; justify-content: center;
		transition: opacity 0.3s ease, visibility 0.3s ease;
}
:root[data-theme="dark"] .loading { background: rgba(0,0,0,0.72); }
:root[data-theme="light"] .loading { background: rgba(255,255,255,0.72); }
.loading.show { opacity: 1; visibility: visible; pointer-events: auto; }
.loading-content { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.loading-text { color: inherit; }
:root[data-theme="light"] .loading-text { color: #333; }
.loading-box {
		width: 44px; height: 44px;
		border: 2px solid var(--border);
		border-top: 2px solid var(--neon-cyan);
		border-radius: 50%;
		animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: var(--neon-cyan); border-radius: 3px; }
::-webkit-scrollbar-track { background: var(--glass); }
body { -ms-overflow-style: -ms-autohiding-scrollbar; }

body.no-scroll { overflow: hidden; }

/* 响应式 */
@media (min-width: 1200px) {
		.logo { font-size: 32px; }
		.form-tab-btn { font-size: 16px; }
		.submit-btn { font-size: 17px; }
		.modal-title { font-size: 21px; }
		.modal-desc { font-size: 18px; }
}
@media (min-width: 1920px) { .page-container { max-width: 520px; } }
@media (min-width: 2560px) { .page-container { max-width: 580px; } }
@media (min-width: 3840px) { .page-container { max-width: 660px; } }
@media (max-width: 1199px) and (min-width: 768px) {
		.page-container { max-width: 440px; }
		.modal-title { font-size: 19px; }
		.modal-desc { font-size: 16px; }
}
@media (max-width: 767px) {
		.page-container { padding: 30px 0; gap: 24px; }
		.logo { font-size: 26px; }
		.header-bar { padding: 12px 16px; }
		.form-card { padding: 24px 20px; }
		.form-tab { margin-bottom: 24px; }
		.form-tab-btn { font-size: 15px; }
		.submit-btn { height: 48px; font-size: 15px; }
		.modal-title { font-size: 18px; }
		.modal-desc { font-size: 15px; }
}
@media (max-width: 450px) {
		.checkbox-text, .link-text {
				font-size: 13px;
		}
}
@media (max-width: 320px) {
		.page-container { padding: 20px 0; }
		.logo { font-size: 22px; }
		.header-bar { padding: 10px 12px; }
		.form-card { padding: 20px 16px; }
		.form-row { flex-direction: column; align-items: flex-start; }
		.submit-btn { height: 46px; font-size: 14px; }
		.modal-title { font-size: 17px; }
		.modal-desc { font-size: 14px; }
}

.logo, .form-label, .form-input, .checkbox-text, .link-text, .footer-links a, .modal-title, .modal-desc {
		text-decoration: none !important;
}