:root {
            --bg-deep: #f0f4fa;
            --bg-base: #ffffff;
            --bg-elevated: #eef2f8;
            --glass: rgba(255, 255, 255, 0.72);
            --glass-hover: rgba(255, 255, 255, 0.92);
            --glass-border: rgba(0, 0, 0, 0.06);
            --glass-border-hover: rgba(0, 0, 0, 0.14);
            --gold: #E8940C;
            --gold-soft: #F5B820;
            --gold-glow: rgba(232, 148, 12, 0.12);
            --cyan: #0891B2;
            --cyan-glow: rgba(8, 145, 178, 0.1);
            --magenta: #DC2D6E;
            --magenta-glow: rgba(220, 45, 110, 0.08);
            --green: #16A34A;
            --green-glow: rgba(22, 163, 74, 0.08);
            --purple: #7C3AED;
            --purple-glow: rgba(124, 58, 237, 0.08);
            --red: #DC2626;
            --text: #1a1f36;
            --text-mid: #4a5470;
            --text-dim: #7b8499;
            --text-faint: #a8b0c4;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --t: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --t-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }

        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background: var(--bg-deep);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        /* ===== 动态背景 ===== */
        .bg-mesh {
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            background:
                radial-gradient(ellipse 60% 50% at 20% 15%, rgba(232, 148, 12, 0.07) 0%, transparent 60%),
                radial-gradient(ellipse 50% 40% at 80% 25%, rgba(8, 145, 178, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse 55% 45% at 50% 65%, rgba(124, 58, 237, 0.05) 0%, transparent 60%),
                radial-gradient(ellipse 40% 35% at 15% 80%, rgba(220, 45, 110, 0.04) 0%, transparent 60%),
                var(--bg-deep);
        }

        .bg-grid {
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 1px);
            background-size: 50px 50px;
            mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
            -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
        }

        .content-layer { position: relative; z-index: 2; }

        /* ===== 导航栏 ===== */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.78);
            backdrop-filter: blur(24px) saturate(140%);
            -webkit-backdrop-filter: blur(24px) saturate(140%);
            border-bottom: 1px solid var(--glass-border);
            transition: var(--t);
        }

        .navbar.scrolled {
            background: rgba(255, 255, 255, 0.92);
            border-bottom-color: rgba(232, 148, 12, 0.12);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }

        .navbar-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 28px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text);
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: -0.5px;
        }

        .nav-logo .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 16px rgba(232, 148, 12, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.3);
            position: relative;
            overflow: hidden;
        }

        .nav-logo .logo-mark::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.25) 50%, transparent 60%);
            animation: shimmer 3s ease-in-out infinite;
        }

        @keyframes shimmer {
            0%, 100% { transform: translateX(-100%); }
            50% { transform: translateX(100%); }
        }

        .nav-logo .logo-text {
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            gap: 6px;
            align-items: center;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-mid);
            font-size: 0.88rem;
            padding: 8px 18px;
            border-radius: 22px;
            transition: var(--t);
            font-weight: 500;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--text);
            background: rgba(0, 0, 0, 0.04);
        }

        .nav-links .nav-hot {
            background: linear-gradient(135deg, rgba(232, 148, 12, 0.12), rgba(255, 122, 0, 0.08));
            color: var(--gold);
            border: 1px solid rgba(232, 148, 12, 0.18);
            font-weight: 600;
        }

        .nav-links .nav-hot:hover {
            background: linear-gradient(135deg, rgba(232, 148, 12, 0.18), rgba(255, 122, 0, 0.12));
            box-shadow: 0 2px 12px rgba(232, 148, 12, 0.12);
        }

        @media (max-width: 640px) {
            .navbar-inner { height: 54px; padding: 0 14px; }
            .nav-logo { font-size: 1.05rem; gap: 8px; }
            .nav-logo .logo-mark { width: 32px; height: 32px; font-size: 1.05rem; border-radius: 10px; }
            .nav-links .hide-mobile { display: none; }
            .nav-links a { padding: 6px 12px; font-size: 0.8rem; }
        }

        /* ===== 页面主体 ===== */
        .page-main {
            max-width: 860px;
            margin: 0 auto;
            padding: 48px 28px 40px;
        }

        /* 页头 */
        .page-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .page-header .header-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 18px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            box-shadow: 0 8px 28px rgba(232, 148, 12, 0.2);
            position: relative;
            overflow: hidden;
        }

        .page-header .header-icon::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.25) 50%, transparent 60%);
            animation: shimmer 3s ease-in-out infinite;
        }

        .page-header h1 {
            font-size: clamp(1.6rem, 4vw, 2.2rem);
            font-weight: 900;
            letter-spacing: -0.5px;
            margin-bottom: 8px;
        }

        .page-header .update-date {
            font-size: 0.82rem;
            color: var(--text-dim);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .page-header .update-date .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--green);
        }

        /* 内容面板 */
        .content-panel {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            animation: fadeUp 0.6s ease-out both;
        }

        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .content-panel::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .content-panel::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .content-inner {
            position: relative;
            z-index: 1;
        }

        /* 引言区 */
        .intro-box {
            background: rgba(232, 148, 12, 0.05);
            border: 1px solid rgba(232, 148, 12, 0.12);
            border-radius: var(--radius);
            padding: 18px 22px;
            margin-bottom: 28px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .intro-box .intro-icon {
            font-size: 1.4rem;
            flex-shrink: 0;
            line-height: 1.4;
        }

        .intro-box .intro-text {
            font-size: 0.92rem;
            color: var(--text-mid);
            line-height: 1.65;
        }

        .intro-box .intro-text strong {
            color: var(--gold);
            font-weight: 700;
        }

        /* 条文 */
        .clause {
            margin-bottom: 28px;
        }

        .clause:last-child { margin-bottom: 0; }

        .clause-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .clause-title .clause-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: 0 3px 10px rgba(232, 148, 12, 0.2);
        }

        .clause-body {
            font-size: 0.92rem;
            color: var(--text-mid);
            line-height: 1.8;
            padding-left: 38px;
        }

        .clause-body p { margin-bottom: 10px; }
        .clause-body p:last-child { margin-bottom: 0; }

        .clause-body strong {
            color: var(--text);
            font-weight: 700;
        }

        .clause-body .highlight {
            background: rgba(232, 148, 12, 0.1);
            color: var(--gold);
            padding: 1px 7px;
            border-radius: 5px;
            font-weight: 600;
        }

        .clause-body .warning {
            background: rgba(220, 38, 38, 0.06);
            color: var(--red);
            padding: 1px 7px;
            border-radius: 5px;
            font-weight: 600;
        }

        .clause-body ul {
            list-style: none;
            padding-left: 0;
            margin-top: 8px;
        }

        .clause-body ul li {
            padding-left: 20px;
            position: relative;
            margin-bottom: 6px;
        }

        .clause-body ul li::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 11px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
            opacity: 0.5;
        }

        /* 分隔线 */
        .clause-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
            margin: 28px 0;
        }

        /* 签名区 */
        .signature-box {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--glass-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .signature-box .sig-left {
            font-size: 0.88rem;
            color: var(--text-dim);
        }

        .signature-box .sig-left strong {
            color: var(--text);
            font-weight: 700;
        }

        .signature-box .sig-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .signature-box .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            border-radius: 22px;
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            color: #fff;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.88rem;
            transition: var(--t);
            box-shadow: 0 4px 16px rgba(232, 148, 12, 0.2);
        }

        .signature-box .back-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(232, 148, 12, 0.3);
        }

        .signature-box .back-btn:active {
            transform: scale(0.97);
            transition: 0.12s;
        }

        /* 快捷目录 */
        .toc {
            background: rgba(0, 0, 0, 0.02);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius);
            padding: 16px 20px;
            margin-bottom: 28px;
        }

        .toc-title {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-dim);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .toc-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .toc-list a {
            text-decoration: none;
            font-size: 0.8rem;
            color: var(--text-mid);
            padding: 5px 12px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid var(--glass-border);
            transition: var(--t);
            font-weight: 500;
        }

        .toc-list a:hover {
            color: var(--gold);
            border-color: rgba(232, 148, 12, 0.2);
            background: rgba(232, 148, 12, 0.04);
        }

        @media (max-width: 640px) {
            .page-main { padding: 28px 14px 24px; }
            .content-panel { padding: 24px 18px; border-radius: var(--radius-lg); }
            .page-header .header-icon { width: 56px; height: 56px; font-size: 1.6rem; border-radius: 16px; }
            .clause-body { padding-left: 0; font-size: 0.86rem; }
            .clause-title { font-size: 0.95rem; }
            .intro-box { padding: 14px 16px; }
            .intro-box .intro-text { font-size: 0.84rem; }
            .signature-box { flex-direction: column; align-items: flex-start; }
        }

        /* ===== 底部 ===== */
        .footer-wrapper {
            max-width: 1280px;
            margin: 0 auto;
            padding: 32px 28px 24px;
            text-align: center;
            border-top: 1px solid var(--glass-border);
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 4px 2px;
            margin-bottom: 16px;
            font-size: 0.88rem;
        }

        .footer-links a {
            color: var(--text-mid);
            text-decoration: none;
            padding: 6px 12px;
            border-radius: 14px;
            transition: var(--t);
            font-weight: 500;
            white-space: nowrap;
        }

        .footer-links a:hover {
            color: var(--gold);
            background: rgba(232, 148, 12, 0.06);
        }

        .footer-links .link-sep {
            color: var(--text-faint);
            font-size: 0.75rem;
            pointer-events: none;
            user-select: none;
        }

        .footer-copy {
            font-size: 0.78rem;
            color: var(--text-faint);
            letter-spacing: 0.3px;
        }

        .footer-copy a {
            color: var(--text-dim);
            text-decoration: none;
            transition: var(--t);
        }

        .footer-copy a:hover { color: var(--gold); }

        @media (max-width: 640px) {
            .footer-wrapper { padding: 22px 14px 18px; }
            .footer-links { font-size: 0.78rem; gap: 2px 0; }
            .footer-links a { padding: 5px 8px; border-radius: 10px; }
            .footer-copy { font-size: 0.7rem; }
        }

        /* ===== 回到顶部 ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.85);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            cursor: pointer;
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text-mid);
            transition: var(--t-spring);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            box-shadow: var(--shadow-md);
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .back-to-top:hover {
            background: linear-gradient(135deg, var(--gold), #FF7A00);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 8px 24px rgba(232, 148, 12, 0.3);
            transform: translateY(-4px);
        }

        @media (max-width: 640px) {
            .back-to-top { bottom: 18px; right: 14px; width: 40px; height: 40px; font-size: 1.1rem; }
        }