:root {
				--c-primary: #2563eb;
				--c-primary-dark: #1d4ed8;
				--c-primary-grad: linear-gradient(135deg, #2563eb, #4f46e5);
				--c-bg: #f8fafc;
				--c-surface: #ffffff;
				--c-surface-2: #f1f5f9;
				--c-border: #e2e8f0;
				--c-border-light: #f0f1f5;
				--c-text: #0f172a;
				--c-text-secondary: #334155;
				--c-text-muted: #94a3b8;
				--c-hot: #ef4444;
				--c-new: #22c55e;

				--f-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', 'DM Sans', system-ui, sans-serif;
				--f-serif: 'Noto Serif SC', 'Songti SC', serif;
				--f-mono: 'JetBrains Mono', 'Consolas', monospace;

				--t-xs: 0.6875rem;
				--t-sm: 0.75rem;
				--t-base: 0.875rem;
				--t-md: 0.9375rem;
				--t-lg: 1.0625rem;
				--t-xl: 1.25rem;

				--s-2: 10px;
				--s-3: 16px;
				--s-4: 22px;
				--s-5: 30px;

				--r-sm: 5px;
				--r-md: 9px;
				--r-lg: 12px;

				--sh-card: 0 1px 3px rgba(15, 23, 42/0.06), 0 1px 2px rgba(15, 23, 42/0.04);
				--sh-card-hover: 0 4px 12px rgba(37, 99, 235/0.12), 0 2px 4px rgba(15, 23, 42/0.05);

				--dur-fast: 100ms;
			}

			*,
			*::before,
			*::after {
				box-sizing: border-box;
				margin: 0;
				padding: 0;
			}
			html {
				scroll-behavior: smooth;
				-webkit-font-smoothing: antialiased;
			}
			body {
				font-family: var(--f-sans);
				font-size: var(--t-base);
				font-weight: 400;
				color: var(--c-text);
				background: var(--c-bg);
				line-height: 1.5;
				padding-top: 68px; /* header-main 为 fixed 68px */
			}
			a {
				text-decoration: none;
			}

			/* ==================== SITE HEADER (特规通官网同款) ==================== */
			.header-main {
				position: fixed;
				top: 0;
				width: 100%;
				z-index: 50;
				background: #ffffff;
				border-bottom: 1px solid #e2e8f0;
				box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
				height: 68px;
				padding: 0;
			}
			.header-box {
				width: 100%;
				max-width: 1330px;
				margin: 0 auto;
				display: flex;
				justify-content: space-between;
				align-items: center;
				box-sizing: border-box;
				height: 100%;
				padding: 0 24px;
			}
			.logobox {
				flex-shrink: 0;
			}
			.logo {
				display: flex;
				align-items: center;
				height: 40px;
				margin: 0;
				flex-shrink: 0;
				cursor: pointer;
				gap: 10px;
			}
			.logo a {
				display: flex;
				align-items: center;
				height: 100%;
				gap: 10px;
				text-decoration: none;
			}
			.logo a img {
				height: 34px;
				width: auto;
			}
			.logo .logo-text {
				font-size: 24px;
				font-weight: 800;
				background: linear-gradient(to right, #2563eb, #4f46e5);
				-webkit-background-clip: text;
				-webkit-text-fill-color: transparent;
				background-clip: text;
			}
			/* 主导航 - 同官网 NavList */
			.mainnav ul {
				list-style: none;
				margin: 0;
				padding: 0 20px;
				display: flex;
				align-items: center;
				gap: 4px;
			}
			.mainnav li {
				height: 64px;
				display: flex;
				align-items: center;
				padding: 0 6px;
				margin: 0 14px;
			}
			.mainnav li a {
				font-size: 20px;
				font-weight: 600;
				color: #0f172a;
				text-decoration: none;
				padding: 6px 14px;
				border-radius: 8px;
				line-height: 25px;
				white-space: nowrap;
				display: flex;
				align-items: center;
				gap: 4px;
				transition: color 0.2s, background-color 0.2s;
			}
			.mainnav li a:hover,
			.mainnav li a.is-active {
				color: #2563eb;
				background: #eff6ff;
			}
			.mainnav li a.nav-ai-link {
				padding: 0;
				border-radius: 0;
				background: none;
			}
			.mainnav li a.nav-ai-link img {
				width: 140px;
				display: block;
			}
			/* 右侧按钮区 - 同官网 nav-btnbox */
			.nav-btnbox {
				display: flex;
				align-items: center;
				flex-shrink: 0;
				gap: 12px;
			}
			.nav-btnbox .btn-base {
				display: flex;
				align-items: center;
			}
			.nav-btn {
				display: inline-flex;
				align-items: center;
				justify-content: center;
				height: 36px;
				line-height: 36px;
				padding: 0 18px;
				border-radius: 10px;
				font-size: 14px;
				font-weight: 600;
				text-decoration: none;
				white-space: nowrap;
				transition: all 0.2s ease;
			}
			/* 会员权益 - 同官网 element-ui warning plain（无边框） */
			.nav-btn.btn-member {
				color: #f97316;
				background: rgb(254.4, 241, 231.7);
				border: none;
				gap: 5px;
				margin-right: 14px;
			}
			.nav-btn.btn-member:hover {
				background: #f97316;
				border-color: #f97316;
				color: #ffffff;
			}
			.nav-btn.btn-member .btn-member-ico {
				font-size: 15px;
				line-height: 1;
			}
			/* 登录 - 蓝靛渐变 */
			.nav-btn.btn-login {
				background: linear-gradient(135deg, #2563eb, #4f46e5);
				color: #ffffff;
				box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
			}
			.nav-btn.btn-login:hover {
				opacity: 0.9;
				box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
			}
			/* 两个登录按钮并排间距 */
			.btn-base.btn-login {
				gap: 8px;
			}

			/* ==================== PAGE WRAP ==================== */
			.page-wrap {
				max-width: 1440px; /* 对齐官网 1440 容器 */
				margin: 0 auto;
				padding: var(--s-4) var(--s-5);
			}

			/* ==================== BANNER (全宽渐变) ==================== */
			.banner {
				width: 100%;
				background: linear-gradient(135deg, #162856 0%, #1b3478 30%, #1f3a8a 100%);
				padding: 82px 0 78px;
				position: relative;
				overflow: hidden;
				box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
			}
			.banner::after {
				content: '';
				position: absolute;
				width: 520px;
				height: 520px;
				border-radius: 50%;
				background: rgba(255, 255, 255, 0.04);
				top: -60px;
				right: -420px;
				pointer-events: none;
			}
			.banner-inner {
				max-width: 1440px;
				margin: 0 auto;
				padding: 0 var(--s-5);
				position: relative;
				z-index: 1;
			}
			.banner-title {
				font-family: var(--f-serif);
				font-size: 2rem;
				font-weight: 800;
				color: #fff;
				line-height: 1.3;
				letter-spacing: -0.02em;
				margin-bottom: 14px;
			}
			.banner-desc {
				font-size: var(--t-md);
				color: rgba(255, 255, 255, 0.88);
				line-height: 1.7;
				max-width: 860px;
			}

			/* ==================== STATS ROW ==================== */
			.stats-row {
				display: grid;
				grid-template-columns: repeat(5, 1fr);
				gap: var(--s-3);
				margin-bottom: var(--s-4);
			}
			.stat-card {
				background: var(--c-surface);
				border: 1px solid var(--c-border);
				border-radius: var(--r-lg);
				padding: var(--s-3) var(--s-4);
				display: flex;
				align-items: center;
				gap: var(--s-2);
				box-shadow: var(--sh-card);
				cursor: pointer;
				transition: all var(--dur-fast) ease;
			}
			.stat-card:hover {
				transform: translateY(-2px);
				box-shadow: var(--sh-card-hover);
			}
			.stat-icon {
				width: 40px;
				height: 40px;
				border-radius: var(--r-md);
				background: #eff6ff;
				display: flex;
				align-items: center;
				justify-content: center;
				font-size: 20px;
				flex-shrink: 0;
			}
			.stat-num {
				font-family: var(--f-mono);
				font-size: var(--t-xl);
				font-weight: 800;
				color: var(--c-primary-dark);
				letter-spacing: -0.02em;
				line-height: 1.1;
			}
			.stat-label {
				font-size: var(--t-xs);
				color: var(--c-text-muted);
			}
			.stat-card.ai-card {
				background: var(--c-primary-grad);
				border: none;
				color: #fff;
				box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
			}
			.stat-card.ai-card .stat-icon {
				background: rgba(255, 255, 255, 0.18);
			}
			.stat-card.ai-card .stat-num {
				color: #fff;
				font-size: var(--t-md);
				font-weight: 700;
			}
			.stat-card.ai-card .stat-label {
				color: rgba(255, 255, 255, 0.85);
			}

			/* ==================== FILTER CHIPS ==================== */
			.filter-row {
				display: flex;
				flex-wrap: wrap;
				gap: 12px;
				margin-bottom: var(--s-4);
				background: var(--c-surface);
				border: 1px solid var(--c-border);
				border-radius: var(--r-lg);
				padding: var(--s-3);
				box-shadow: var(--sh-card);
			}

			.filter-row .more {
				color: var(--c-primary);
				background: #eff6ff;
			}

			.filter-chip {
				display: flex;
				align-items: center;
				gap: 5px;
				padding: 9px 14px;
				background: var(--c-surface-2);
				border: 1px solid var(--c-border-light);
				border-radius: 100px;
				font-size: var(--t-base);
				font-weight: 600;
				color: var(--c-text-secondary);
				cursor: pointer;
				transition: all var(--dur-fast) ease;
				font-family: inherit;
			}
			.filter-chip:hover {
				border-color: var(--c-primary);
				color: var(--c-primary);
				background: #eff6ff;
			}
			.filter-chip.active {
				background: var(--c-primary-grad);
				color: #fff;
				border-color: transparent;
			}

			/* ==================== SECTION HEADER ==================== */
			.section-header {
				display: flex;
				align-items: center;
				gap: var(--s-3);
				margin-bottom: var(--s-3);
			}
			.section-title {
				font-family: var(--f-serif);
				font-size: var(--t-lg);
				font-weight: 700;
				color: var(--c-text);
				white-space: nowrap;
			}
			.section-line {
				flex: 1;
				height: 1px;
				background: var(--c-border);
			}
			.section-toggle-btn {
				padding: 6px 14px;
				font-size: var(--t-sm);
				font-weight: 600;
				font-family: inherit;
				border: 1.5px solid var(--c-border);
				border-radius: var(--r-sm);
				background: var(--c-surface);
				color: var(--c-text-secondary);
				cursor: pointer;
				transition: all var(--dur-fast) ease;
			}
			.section-toggle-btn:hover {
				border-color: var(--c-primary);
				color: var(--c-primary);
			}

			/* ==================== CATEGORY BLOCKS ==================== */
			.cat-block {
				background: var(--c-surface);
				border: 1px solid var(--c-border);
				border-radius: var(--r-lg);
				margin-bottom: var(--s-2);
				overflow: hidden;
				box-shadow: var(--sh-card);
			}
			.cat-header {
				display: flex;
				align-items: center;
				gap: 12px;
				padding: var(--s-3) var(--s-4);
				cursor: pointer;
				user-select: none;
				background: var(--c-surface-2);
				transition: background var(--dur-fast) ease;
			}
			.cat-header:hover {
				background: #e8eef7;
			}
			.cat-icon {
				width: 32px;
				height: 32px;
				border-radius: var(--r-md);
				background: var(--c-primary-grad);
				display: flex;
				align-items: center;
				justify-content: center;
				font-size: 15px;
				flex-shrink: 0;
				color: #fff;
			}
			.cat-title-group {
				flex: 1;
				min-width: 0;
			}
			.cat-en {
				font-size: var(--t-xs);
				color: var(--c-text-muted);
				font-weight: 500;
			}
			.cat-name {
				font-family: var(--f-serif);
				font-size: var(--t-base);
				font-weight: 700;
				color: var(--c-text);
			}
			.cat-count {
				font-size: var(--t-sm);
				font-family: var(--f-mono);
				font-weight: 600;
				padding: 3px 10px;
				border-radius: 100px;
				background: #eff6ff;
				color: var(--c-primary);
				white-space: nowrap;
			}
			.cat-toggle {
				font-size: 10px;
				color: var(--c-text-muted);
				transition: transform var(--dur-fast) ease;
			}
			.cat-block.collapsed .cat-toggle {
				transform: rotate(-90deg);
			}
			.cat-block.collapsed .cat-body {
				display: none;
			}
			.cat-body {
				padding: var(--s-3) var(--s-4) var(--s-4);
			}

			/* ==================== STANDARD ITEMS GRID ==================== */
			.std-grid {
				display: grid;
				grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
				gap: 6px;
			}
			.std-item {
				display: flex;
				align-items: center;
				gap: 8px;
				padding: 9px 12px;
				background: var(--c-surface-2);
				border: 1px solid var(--c-border-light);
				border-radius: var(--r-md);
				font-size: var(--t-sm);
				font-weight: 500;
				color: var(--c-text-secondary);
				cursor: pointer;
				transition: all var(--dur-fast) ease;
				min-width: 0;
			}
			.std-item:hover {
				border-color: var(--c-primary);
				color: var(--c-primary);
				background: #eff6ff;
				transform: translateY(-1px);
				box-shadow: 0 2px 6px rgba(37, 99, 235, 0.1);
			}
			.std-icon {
				font-size: 12px;
				flex-shrink: 0;
			}
			.std-title {
				flex: 1;
				min-width: 0;
				overflow: hidden;
				text-overflow: ellipsis;
				white-space: nowrap;
			}
			.std-year {
				font-family: var(--f-mono);
				font-size: var(--t-xs);
				color: var(--c-text-muted);
				flex-shrink: 0;
			}
			.std-badge {
				font-size: 10px;
				font-weight: 700;
				padding: 1px 6px;
				border-radius: 100px;
				flex-shrink: 0;
				line-height: 1.4;
			}
			.std-badge.hot {
				background: #fee2e2;
				color: var(--c-hot);
			}
			.std-badge.new {
				background: #dcfce7;
				color: var(--c-new);
			}

			/* ==================== SITE FOOTER (特规通官网同款) ==================== */
			.site-footer {
				background-color: #0f172a;
				color: #94a3b8;
				padding: 0;
				margin-top: var(--s-5);
			}
			.foot-box {
				width: 100%;
				max-width: 1280px;
				margin: 0 auto;
				padding: 60px 24px 40px;
				box-sizing: border-box;
			}
			.footlogobox {
				display: flex;
				align-items: center;
				gap: 10px;
				margin-bottom: 16px;
			}
			.footlogobox .logo {
				margin: 0;
				display: flex;
				align-items: center;
				gap: 10px;
			}
			.footlogobox .logo a {
				display: flex;
				align-items: center;
				gap: 10px;
				text-decoration: none;
				color: #ffffff;
			}
			.footlogobox .logo img {
				width: 40px;
				height: 40px;
				border-radius: 12px;
				padding: 6px;
				box-sizing: border-box;
			}
			.foot-brand-name {
				font-size: 20px;
				font-weight: 700;
				color: #ffffff;
			}
			.foot-brand-desc {
				color: #94a3b8;
				font-size: 14px;
				line-height: 1.7;
				margin: 0 0 20px;
				max-width: 360px;
			}
			.foot-contact .contact-item {
				display: flex;
				align-items: center;
				gap: 8px;
				font-size: 13px;
				color: #94a3b8;
				margin-bottom: 6px;
			}
			.foot-contact i {
				font-size: 14px;
				color: #64748b;
				font-style: normal;
			}
			.foot-content {
				display: flex;
				justify-content: space-between;
				padding-bottom: 40px;
				border-bottom: 1px solid #1e293b;
				gap: 40px;
			}
			.foot-brand-col {
				flex: 2;
				min-width: 0;
			}
			.menubox {
				display: flex;
				justify-content: space-between;
				flex: 2;
				gap: 20px;
			}
			.menu-list-box {
				flex: 1;
				min-width: 120px;
			}
			.menu-list-box h3 {
				margin: 0 0 16px;
				font-size: 16px;
				color: #ffffff;
				font-weight: 600;
			}
			.menu-list-box ul {
				margin: 0;
				padding: 0;
				list-style: none;
			}
			.menu-list-box li {
				list-style-type: none;
				margin-bottom: 8px;
			}
			.menu-list-box li a {
				text-decoration: none;
				color: #94a3b8;
				font-size: 14px;
				transition: color 0.2s;
			}
			.menu-list-box li a:hover {
				color: #ffffff;
			}
			.right-main {
				flex: 1.2;
				min-width: 220px;
			}
			.right-main h3 {
				margin: 0 0 16px;
				font-size: 16px;
				color: #ffffff;
				font-weight: 600;
			}
			.rightbox {
				display: flex;
				gap: 16px;
				flex-wrap: wrap;
			}
			.ercodebox,
			.phonebox,
			.miniprogrambox {
				display: flex;
				flex-direction: column;
				align-items: center;
				font-size: 12px;
				color: #64748b;
			}
			.ercodebox img,
			.phonebox img {
				margin-bottom: 8px;
				border-radius: 8px;
			}
			.miniprogrambox .miniprogramimg {
				background: #fff;
				padding: 3px 3px 0;
				border-radius: 8px;
				margin-bottom: 8px;
			}
			.miniprogrambox .miniprogramimg img {
				margin-bottom: 0;
			}
			.foot-copy {
				margin-top: 28px;
				font-size: 13px;
				color: #64748b;
				text-align: center;
			}
			.foot-copy a {
				color: #64748b;
				text-decoration: none;
				transition: color 0.2s;
				margin-right: 16px;
			}
			.foot-copy a:hover {
				color: #94a3b8;
			}
			.foot-copy p {
				margin: 12px 0 0;
				color: #475569;
			}

			/* ==================== RESPONSIVE ==================== */
			@media (max-width: 1024px) {
				.page-wrap {
					padding: var(--s-3) var(--s-4);
				}
				.stats-row {
					grid-template-columns: repeat(3, 1fr);
				}
			}
			@media (max-width: 768px) {
				.page-wrap {
					padding: var(--s-3);
				}
				.stats-row {
					grid-template-columns: 1fr 1fr;
				}
				/* 官网 header 移动端适配 */
				.header-main {
					height: 56px !important;
				}
				body {
					padding-top: 56px;
				}
				.header-box {
					padding: 0 12px;
				}
				.logo {
					height: 30px;
					gap: 6px;
				}
				.logo a {
					gap: 6px;
				}
				.logo a img {
					height: 24px;
				}
				.logo .logo-text {
					font-size: 17px;
				}
				.mainnav ul {
					padding: 0 8px;
					gap: 0;
				}
				.mainnav li {
					height: 52px;
					margin: 0 4px;
					padding: 0;
				}
				.mainnav li a {
					font-size: 13px;
					font-weight: 600;
					padding: 4px 8px;
				}
				.mainnav li a.nav-ai-link img {
					width: 80px;
				}
				.nav-btnbox {
					gap: 6px;
				}
				.nav-btn.btn-member {
					display: none;
				}
				.nav-btn {
					height: 32px;
					line-height: 32px;
					padding: 0 10px;
					font-size: 13px;
				}
				/* banner 移动端适配 */
				.banner {
					padding: 36px 0 32px;
				}
				.banner-title {
					font-size: 1.375rem;
					margin-bottom: 10px;
				}
				.banner-desc {
					font-size: var(--t-base);
					line-height: 1.6;
				}
				.std-grid {
					grid-template-columns: 1fr 1fr;
				}
			}
			@media (max-width: 480px) {
				.stats-row {
					grid-template-columns: 1fr;
				}
				.std-grid {
					grid-template-columns: 1fr;
				}
			}
			@media (prefers-reduced-motion: reduce) {
				*,
				*::before,
				*::after {
					transition-duration: 0.01ms !important;
				}
			}