/* ===== index.html ===== */
/* ===== 全局重置 ===== */
        *{margin:0;padding:0;box-sizing:border-box}
        :root{--brand:#0055cc;--brand-dark:#0044a8;--brand-light:#e8f0fe;--title:#0c2137;--body:#3a5f83;--muted:#526f8a;--bg:#ffffff;--bg-alt:#f8fcff;--radius:40px;--radius-sm:24px;--shadow:0 8px 28px rgba(0,85,204,0.15);--shadow-hover:0 12px 40px rgba(0,85,204,0.25);--transition:0.25s ease}
        html{scroll-behavior:smooth}
        body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
        a{text-decoration:none;color:inherit}
        img{display:block;max-width:100%;height:auto}

        /* ===== 容器统一 ===== */
        .container,
        .nav-inner {
            width: 92%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 16px;
            box-sizing: border-box;
        }
        @media (min-width: 768px) {
            .container,
            .nav-inner {
                width: 90%;
                padding: 0 24px;
            }
        }
        @media (min-width: 1024px) {
            .container,
            .nav-inner {
                width: 85%;
                padding: 0 40px;
            }
        }

        .section-title{font-size:2.4rem;font-weight:700;color:var(--title);text-align:center;margin-bottom:0.5rem}
        .section-sub{text-align:center;color:var(--muted);font-size:1.1rem;margin-bottom:2.5rem}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:0.6rem;padding:0.85rem 2.2rem;border-radius:var(--radius);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition);background:var(--bg);color:var(--title);box-shadow:0 2px 8px rgba(0,0,0,0.04)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);background:var(--brand-dark)}
        .btn-outline{background:transparent;color:var(--brand);border:2px solid var(--brand)}
        .btn-outline:hover{transform:translateY(-2px);background:var(--brand);color:#fff}
        .btn-sm{padding:0.5rem 1.4rem;font-size:0.9rem;border-radius:var(--radius-sm)}
        .badge-free{display:inline-block;background:#22c55e;color:#fff;font-size:0.65rem;font-weight:700;padding:0.1rem 0.8rem;border-radius:40px;margin-left:0.4rem;vertical-align:middle}

        /* ===== 导航（已修复错位） ===== */
        .navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,85,204,0.06);padding:0.6rem 0;transition:box-shadow var(--transition)}
        .navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.06)}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap}
        .nav-logo{flex-shrink:0}
        .nav-logo img{display:block;height:32px;width:auto}
        .nav-links{display:flex;align-items:center;gap:1.2rem;list-style:none;font-weight:500;flex-shrink:0}
        .nav-links a{font-size:0.9rem;color:var(--body);position:relative;padding:0.25rem 0;white-space:nowrap}
        .nav-links a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width var(--transition)}
        .nav-links a:hover::after{width:100%}
        .nav-links a:hover{color:var(--brand)}
        .nav-links .highlight a{color:var(--brand);font-weight:700}
        .nav-links .highlight a::after{width:100%}
        .nav-download-btn{flex-shrink:0;margin-left:0.2rem}
        .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:transparent;border:none;flex-shrink:0}
        .hamburger span{display:block;width:26px;height:3px;background:var(--title);border-radius:4px;transition:all var(--transition)}
        .hamburger.active span:nth-child(1){transform:rotate(45deg)translate(5px,5px)}
        .hamburger.active span:nth-child(2){opacity:0}
        .hamburger.active span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}

        @media (max-width: 992px) {
            .nav-links{gap:0.8rem}
            .nav-links a{font-size:0.82rem}
        }

        @media (max-width: 768px) {
            .nav-inner{flex-wrap:wrap}
            .nav-links{display:none;flex-direction:column;width:100%;padding:0.8rem 0 0.4rem;gap:0.2rem;border-top:1px solid rgba(0,85,204,0.06);margin-top:0.6rem;flex-shrink:0}
            .nav-links.open{display:flex}
            .nav-links a{font-size:0.95rem;padding:0.4rem 0;white-space:normal}
            .hamburger{display:flex}
            .nav-download-btn{display:none}
        }

        /* ===== HERO ===== */
        .hero{padding:3rem 0 5rem;background:var(--bg-alt)}
        .hero-grid{display:flex;align-items:center;gap:4rem}
        .hero-left{flex:1.1}
        .hero-badge{display:inline-block;background:var(--brand-light);color:var(--brand);font-weight:600;font-size:0.85rem;padding:0.3rem 1.2rem;border-radius:40px;margin-bottom:1rem}
        .hero h1{font-size:3.2rem;font-weight:800;color:var(--title);line-height:1.15;margin-bottom:1rem;letter-spacing:-0.02em}
        .hero h1 span{color:var(--brand);white-space:nowrap}
        .hero p{font-size:1.05rem;color:var(--body);max-width:520px;margin-bottom:1.8rem;line-height:1.8}
        .hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2rem}
        .hero-platforms{display:flex;gap:1.2rem;color:var(--muted);font-size:0.9rem;font-weight:500}
        .hero-platforms i{font-size:1.2rem;color:var(--brand);margin-right:0.3rem}
        .hero-right{flex:1;display:flex;justify-content:center;align-items:center}
        .hero-img{max-width:100%;height:auto;aspect-ratio:1120/720;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);animation:float 3s ease-in-out infinite;width:500px}
        @keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
        .hero-desc{padding-left:1rem;border-left:3px solid var(--brand);margin-bottom:1.5rem}
        .hero-desc p{font-size:0.95rem;color:var(--body);line-height:1.8;margin-bottom:0.6rem}
        @media (max-width:768px){
            .hero-grid{flex-direction:column;gap:2rem}
            .hero h1{font-size:2.2rem}
            .hero-right{order:-1}
            .hero-img{max-width:300px;width:100%}
        }
        @media (max-width:480px){
            .hero{padding:2rem 0 3rem}
            .hero h1{font-size:1.8rem}
            .hero p{font-size:0.95rem}
            .hero-actions .btn{width:100%;justify-content:center}
            .hero-platforms{flex-wrap:wrap;gap:0.6rem 1rem;font-size:0.8rem}
        }

        /* ===== 六大卖点 ===== */
        .selling{padding:5rem 0;background:var(--bg)}
        .selling-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem;margin-top:1rem}
        .selling-item{background:var(--bg-alt);border-radius:var(--radius-sm);padding:2.2rem 2rem;border:1px solid rgba(0,85,204,0.04);transition:all var(--transition);text-align:center}
        .selling-item:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow)}
        .selling-item .icon{font-size:2.2rem;color:var(--brand);margin-bottom:0.6rem}
        .selling-item h3{font-size:1.1rem;font-weight:700;color:var(--title);margin-bottom:0.4rem}
        .selling-item p{font-size:0.92rem;color:var(--body);line-height:1.8}
        @media (max-width:768px){.selling-grid{grid-template-columns:1fr 1fr}}
        @media (max-width:480px){.selling-grid{grid-template-columns:1fr}}

        /* ===== 适合人群 ===== */
        .audience{padding:4rem 0;background:var(--bg)}
        .audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem;margin-top:1rem}
        .audience-item{background:var(--bg-alt);border-radius:var(--radius-sm);padding:2.2rem 2rem;border:1px solid rgba(0,85,204,0.04);transition:all var(--transition)}
        .audience-item:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow)}
        .audience-item .icon{font-size:2.2rem;color:var(--brand);margin-bottom:0.6rem}
        .audience-item h3{font-size:1.1rem;font-weight:700;color:var(--title);margin-bottom:0.5rem}
        .audience-item p{font-size:0.92rem;color:var(--body);line-height:1.8}
        .audience-item .learn-more{display:inline-block;margin-top:0.6rem;font-size:0.85rem;font-weight:600;color:var(--brand)}
        .audience-item .learn-more:hover{color:var(--brand-dark);text-decoration:underline}
        @media (max-width:768px){.audience-grid{grid-template-columns:1fr 1fr}}
        @media (max-width:480px){.audience-grid{grid-template-columns:1fr}}

        /* ===== 定价 ===== */
        .pricing{padding:5rem 0;background:var(--bg)}
        .pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:1rem;align-items:stretch}
        .pricing-card{background:var(--bg);border-radius:var(--radius);padding:2.4rem 2rem 2.2rem;box-shadow:0 4px 16px rgba(0,0,0,0.04);border:1px solid rgba(0,85,204,0.06);transition:all var(--transition);text-align:center;display:flex;flex-direction:column;position:relative}
        .pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .pricing-card.recommended{border-color:var(--brand);box-shadow:var(--shadow);transform:scale(1.02)}
        .pricing-card.recommended:hover{transform:scale(1.02)translateY(-4px)}
        .pricing-card.recommended .recommend-badge{position:absolute;top:-0.6rem;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:0.7rem;font-weight:700;padding:0.2rem 1.6rem;border-radius:40px;text-transform:uppercase;letter-spacing:0.5px}
        .pricing-card .plan-name{font-size:1.2rem;font-weight:700;color:var(--title);margin-bottom:0.2rem}
        .pricing-card .plan-desc{font-size:0.85rem;color:var(--muted);margin-bottom:0.8rem}
        .pricing-card .price{font-size:2.4rem;font-weight:800;color:var(--title);margin-bottom:0.1rem}
        .pricing-card .price small{font-size:0.9rem;font-weight:400;color:var(--muted)}
        .pricing-card .price .original{font-size:0.9rem;font-weight:400;color:#b0c4d9;text-decoration:line-through;margin-left:0.4rem}
        .pricing-card .plan-detail{font-size:0.88rem;color:var(--body);line-height:1.8;padding:0.8rem 0;border-top:1px solid rgba(0,85,204,0.06);margin:0.6rem 0 0.8rem;text-align:left}
        .pricing-card .features{list-style:none;text-align:left;margin:0.4rem 0 1.2rem;padding:0;flex:1}
        .pricing-card .features li{display:flex;align-items:center;gap:0.6rem;padding:0.2rem 0;font-size:0.88rem;color:var(--body)}
        .pricing-card .features li i{color:var(--brand);font-size:0.85rem;width:1.2rem;text-align:center}
        .pricing-card .btn{width:100%;justify-content:center}
        @media (max-width:768px){.pricing-grid{grid-template-columns:1fr 1fr;gap:1.2rem}.pricing-card.recommended{transform:scale(1)}.pricing-card.recommended:hover{transform:scale(1)translateY(-4px)}}
        @media (max-width:480px){.pricing-grid{grid-template-columns:1fr}.pricing-card{padding:1.4rem 1rem}}

        /* ===== 核心特点 ===== */
        .core{padding:5rem 0;background:var(--bg)}
        .core-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem;margin-top:1rem}
        .core-item{background:var(--bg);border-radius:var(--radius-sm);padding:2.2rem 2rem;border:1px solid rgba(0,85,204,0.04);transition:all var(--transition)}
        .core-item:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow)}
        .core-item .icon{font-size:2.4rem;color:var(--brand);margin-bottom:0.8rem}
        .core-item h3{font-size:1.1rem;font-weight:700;color:var(--title);margin-bottom:0.4rem}
        .core-item p{font-size:0.92rem;color:var(--body);line-height:1.8}
        @media (max-width:768px){.core-grid{grid-template-columns:1fr 1fr}}
        @media (max-width:480px){.core-grid{grid-template-columns:1fr 1fr;gap:0.8rem}.core-item{padding:1rem}.core-item .icon{font-size:1.6rem}.core-item h3{font-size:0.9rem}.core-item p{font-size:0.8rem}}

        /* ===== 技术架构 ===== */
        .tech-arch{padding:5rem 0;background:var(--bg-alt)}
        .tech-arch-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;margin-top:1rem}
        .tech-arch-item{background:var(--bg);border-radius:var(--radius-sm);padding:2rem 2rem;border-left:4px solid var(--brand);transition:all var(--transition)}
        .tech-arch-item:hover{box-shadow:var(--shadow-hover);transform:translateX(4px)}
        .tech-arch-item .ti-header{display:flex;align-items:center;gap:0.8rem;margin-bottom:0.6rem}
        .tech-arch-item .ti-header .ti-icon{font-size:1.4rem;color:var(--brand);width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--brand-light);border-radius:12px;flex-shrink:0}
        .tech-arch-item .ti-header h3{font-size:1.1rem;font-weight:700;color:var(--title)}
        .tech-arch-item .ti-body p{font-size:0.92rem;color:var(--body);line-height:1.8;margin-bottom:0.4rem}
        .tech-arch-item .ti-body .tech-tag{display:inline-block;font-size:0.65rem;font-weight:600;color:var(--brand);background:rgba(0,85,204,0.08);padding:0.1rem 0.7rem;border-radius:40px;margin-right:0.3rem}
        .tech-arch-item .ti-body .tech-tag.light{background:rgba(0,85,204,0.04);color:var(--muted)}
        .tech-arch-item .ti-body .tech-tag .en{font-weight:400;letter-spacing:0.02em}
        @media (max-width:768px){.tech-arch-grid{grid-template-columns:1fr}}
        @media (max-width:480px){.tech-arch-item{padding:1.2rem 1rem}}

        /* ===== 下载 ===== */
        .download{padding:5rem 0;background:var(--bg-alt)}
        .download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.8rem;margin-top:1rem}
        .download-card{background:var(--bg);border-radius:var(--radius-sm);padding:1.8rem 1.2rem;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,0.04);border:1px solid rgba(0,85,204,0.06);transition:all var(--transition);position:relative}
        .download-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow)}
        .download-card .platform-icon{font-size:2.6rem;color:var(--brand);margin-bottom:0.4rem}
        .download-card h3{font-size:1.05rem;font-weight:700;color:var(--title);margin-bottom:0.1rem}
        .download-card .version{font-size:0.75rem;color:var(--muted);margin-bottom:0.3rem}
        .download-card .desc{font-size:0.8rem;color:var(--body);margin-bottom:0.8rem}
        .download-card .hot-tag{position:absolute;top:-0.5rem;right:1rem;background:#ff6b35;color:#fff;font-size:0.65rem;font-weight:700;padding:0.1rem 0.8rem;border-radius:40px}
        .download-card .btn{width:100%}
        @media (max-width:768px){.download-grid{grid-template-columns:repeat(2,1fr)}}
        @media (max-width:480px){.download-grid{grid-template-columns:1fr 1fr;gap:0.8rem}.download-card{padding:1rem 0.6rem}.download-card .platform-icon{font-size:2rem}}

        /* ===== 数据统计 ===== */
        .stats{padding:4rem 0;background:var(--bg)}
        .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center}
        .stats-item .number{font-size:2.8rem;font-weight:800;color:var(--title);line-height:1.1;position:relative;display:inline-block}
        .stats-item .number .source-mark{font-size:0.6rem;font-weight:400;color:var(--muted);vertical-align:super;margin-left:0.1rem;cursor:default}
        .stats-item .label{font-size:1rem;color:var(--muted);font-weight:500}
        .stats-item .sub{font-size:0.75rem;color:var(--muted);margin-top:0.2rem}
        .stats-source-note{margin-top:2rem;text-align:center;font-size:0.7rem;color:var(--muted);border-top:1px solid rgba(0,85,204,0.06);padding-top:1rem}
        .stats-source-note a{color:var(--brand);text-decoration:underline}
        @media (max-width:768px){.stats-grid{grid-template-columns:1fr 1fr;gap:1.2rem}}
        @media (max-width:480px){.stats-grid{grid-template-columns:1fr 1fr;gap:0.8rem}.stats-item .number{font-size:2rem}}

        /* ===== 资讯 ===== */
        .articles{padding:5rem 0;background:var(--bg-alt)}
        .articles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;margin-top:1rem}
        .article-card{background:var(--bg);border-radius:var(--radius-sm);overflow:hidden;border:1px solid rgba(0,85,204,0.04);transition:all var(--transition);display:flex;flex-direction:column}
        .article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand)}
        .article-card .thumb{height:140px;overflow:hidden;background:var(--brand-light);flex-shrink:0}
        .article-card .thumb img{width:100%;height:100%;object-fit:cover}
        .article-card .body{padding:1rem 1.2rem 0.8rem;flex:1;display:flex;flex-direction:column}
        .article-card .body h3{font-size:0.95rem;font-weight:600;line-height:1.4;margin-bottom:0.3rem}
        .article-card .body h3 a{color:var(--title);transition:color var(--transition)}
        .article-card .body h3 a:hover{color:var(--brand);text-decoration:underline}
        .article-card .body p{font-size:0.85rem;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;margin-bottom:0.6rem}
        .article-card .meta{display:flex;justify-content:space-between;align-items:center;font-size:0.75rem;color:var(--muted);border-top:1px solid rgba(0,85,204,0.06);padding-top:0.6rem}
        .article-card .meta a{color:var(--brand);font-weight:500}
        .article-card .meta a:hover{color:var(--brand-dark);text-decoration:underline}
        .articles .more-link-wrap{text-align:center;margin-top:2rem}
        .articles .more-link-wrap a{color:var(--brand);font-weight:600;font-size:0.95rem;display:inline-flex;align-items:center;gap:0.4rem}
        .articles .more-link-wrap a:hover{text-decoration:underline}
        .pagination{display:flex;justify-content:center;gap:0.6rem;margin-top:2.5rem;flex-wrap:wrap}
        .pagination button{padding:0.3rem 1rem;border-radius:var(--radius-sm);border:1px solid rgba(0,85,204,0.15);background:var(--bg);color:var(--body);font-weight:500;font-size:0.85rem;cursor:pointer;transition:all var(--transition)}
        .pagination button:hover:not(:disabled){background:var(--brand);color:#fff;border-color:var(--brand)}
        .pagination button.active{background:var(--brand);color:#fff;border-color:var(--brand)}
        .pagination button:disabled{opacity:0.4;cursor:not-allowed}
        @media (max-width:768px){.articles-grid{grid-template-columns:repeat(2,1fr)}}
        @media (max-width:480px){.articles-grid{grid-template-columns:1fr}.article-card .thumb{height:120px}}

        /* ===== FAQ ===== */
        .faq{padding:5rem 0 2rem;background:var(--bg)}
        .faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0.8rem;width:100%}
        .faq-item{border:1px solid rgba(0,85,204,0.06);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg);transition:all var(--transition)}
        .faq-item:hover{border-color:rgba(0,85,204,0.15)}
        .faq-question{width:100%;padding:1rem 1.5rem;background:transparent;border:none;text-align:left;font-size:0.98rem;font-weight:600;color:var(--title);cursor:default;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:inherit;line-height:1.4;pointer-events:none}
        .faq-question i{font-size:0.9rem;color:var(--brand);flex-shrink:0;transform:rotate(180deg)}
        .faq-answer{padding:0 1.5rem 1.2rem}
        .faq-answer .step{display:flex;align-items:flex-start;gap:0.5rem;font-size:0.92rem;color:var(--body);line-height:1.6;margin-bottom:0.3rem}
        .faq-answer .step .num{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;background:var(--brand-light);color:var(--brand);font-weight:700;font-size:0.75rem;border-radius:50%;flex-shrink:0;margin-top:0.1rem}
        .faq-answer .step strong{color:var(--title)}
        .faq .more-link-wrap{text-align:center;margin-top:1.5rem}
        .faq .more-link-wrap a{color:var(--brand);font-weight:600;font-size:0.95rem}
        .faq .more-link-wrap a:hover{text-decoration:underline}
        @media (max-width:768px){.faq-list{grid-template-columns:1fr}}
        @media (max-width:480px){.faq-question{font-size:0.9rem;padding:0.8rem 1rem}.faq-answer{padding:0 1rem 0.8rem}.faq-answer .step{font-size:0.85rem}}

        /* ===== 底部 ===== */
        .footer{padding:2.8rem 0 2rem;background:var(--title);color:rgba(255,255,255,0.7);border-top:1px solid rgba(255,255,255,0.06)}
        .footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}
        .footer-left{display:flex;flex-wrap:wrap;align-items:center;gap:1.6rem}
        .footer-links{display:flex;flex-wrap:wrap;gap:1.6rem}
        .footer-links a{color:rgba(255,255,255,0.7);font-size:0.9rem;transition:color var(--transition)}
        .footer-links a:hover{color:#fff}
        .footer-social{display:flex;gap:1rem}
        .footer-social a{color:rgba(255,255,255,0.5);font-size:1.1rem;transition:color var(--transition)}
        .footer-social a:hover{color:#fff}
        .footer-copy{font-size:0.85rem;color:rgba(255,255,255,0.5)}
        .footer-copy .icp{display:block;margin-top:0.2rem;font-size:0.75rem}
        @media (max-width:768px){.footer .container{flex-direction:column;text-align:center}.footer-left{flex-direction:column;gap:0.8rem}.footer-links{justify-content:center}.footer-social{justify-content:center}}
        @media (max-width:480px){.footer-links{gap:1rem;justify-content:center}}

        ::-webkit-scrollbar{width:8px}
        ::-webkit-scrollbar-track{background:var(--bg-alt)}
        ::-webkit-scrollbar-thumb{background:var(--brand);border-radius:40px}

/* ===== index.html ===== */
.skip-link{position:absolute;left:-9999px;top:0;z-index:99999;background:#0055cc;color:#fff;padding:10px 18px;border-radius:0 0 10px 0;font-weight:600;font-size:14px}
    .skip-link:focus{left:0}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #0a63d6;outline-offset:2px}
    @media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
    @media print{.navbar,.nav-download-btn,.footer,.skip-link{display:none}}

/* ===== articles.html ===== */
/* ===== 全局重置 ===== */
        *{margin:0;padding:0;box-sizing:border-box}
        :root{--brand:#0055cc;--brand-dark:#0044a8;--brand-light:#e8f0fe;--title:#0c2137;--body:#3a5f83;--muted:#526f8a;--bg:#ffffff;--bg-alt:#f8fcff;--radius:40px;--radius-sm:24px;--shadow:0 8px 28px rgba(0,85,204,0.15);--shadow-hover:0 12px 40px rgba(0,85,204,0.25);--transition:0.25s ease}
        html{scroll-behavior:smooth}
        body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
        a{text-decoration:none;color:inherit}
        img{display:block;max-width:100%;height:auto}

        /* ===== 容器统一 ===== */
        .container,.nav-inner{width:92%;max-width:1280px;margin:0 auto;padding:0 16px;box-sizing:border-box}
        @media (min-width:768px){.container,.nav-inner{width:90%;padding:0 24px}}
        @media (min-width:1024px){.container,.nav-inner{width:85%;padding:0 40px}}

        .section-title{font-size:2.4rem;font-weight:700;color:var(--title);text-align:center;margin-bottom:0.5rem}
        .section-sub{text-align:center;color:var(--muted);font-size:1.1rem;margin-bottom:2.5rem}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:0.6rem;padding:0.85rem 2.2rem;border-radius:var(--radius);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition);background:var(--bg);color:var(--title);box-shadow:0 2px 8px rgba(0,0,0,0.04)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);background:var(--brand-dark)}
        .btn-outline{background:transparent;color:var(--brand);border:2px solid var(--brand)}
        .btn-outline:hover{transform:translateY(-2px);background:var(--brand);color:#fff}
        .btn-sm{padding:0.5rem 1.4rem;font-size:0.9rem;border-radius:var(--radius-sm)}

        /* ===== 导航 ===== */
        .navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,85,204,0.06);padding:0.6rem 0;transition:box-shadow var(--transition)}
        .navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.06)}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap}
        .nav-logo{flex-shrink:0}
        .nav-logo img{display:block;height:32px;width:auto}
        .nav-links{display:flex;align-items:center;gap:1.2rem;list-style:none;font-weight:500;flex-shrink:0}
        .nav-links a{font-size:0.9rem;color:var(--body);position:relative;padding:0.25rem 0;white-space:nowrap}
        .nav-links a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width var(--transition)}
        .nav-links a:hover::after{width:100%}
        .nav-links a:hover{color:var(--brand)}
        .nav-links .highlight a{color:var(--brand);font-weight:700}
        .nav-links .highlight a::after{width:100%}
        .nav-download-btn{flex-shrink:0;margin-left:0.2rem}
        .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:transparent;border:none;flex-shrink:0}
        .hamburger span{display:block;width:26px;height:3px;background:var(--title);border-radius:4px;transition:all var(--transition)}
        .hamburger.active span:nth-child(1){transform:rotate(45deg)translate(5px,5px)}
        .hamburger.active span:nth-child(2){opacity:0}
        .hamburger.active span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}
        @media (max-width:992px){.nav-links{gap:0.8rem}.nav-links a{font-size:0.82rem}}
        @media (max-width:768px){.nav-inner{flex-wrap:wrap}.nav-links{display:none;flex-direction:column;width:100%;padding:0.8rem 0 0.4rem;gap:0.2rem;border-top:1px solid rgba(0,85,204,0.06);margin-top:0.6rem;flex-shrink:0}.nav-links.open{display:flex}.nav-links a{font-size:0.95rem;padding:0.4rem 0;white-space:normal}.hamburger{display:flex}.nav-download-btn{display:none}}

        /* ===== 页面标题 ===== */
        .page-header{padding:2.5rem 0 1.5rem;background:var(--bg-alt);border-bottom:1px solid rgba(0,85,204,0.04)}
        .page-header h1{font-size:2.6rem;font-weight:800;color:var(--title);text-align:center;margin-bottom:0.3rem;letter-spacing:-0.02em}
        .page-header h1 span{color:var(--brand)}
        .page-header .sub{text-align:center;color:var(--muted);font-size:1.05rem;max-width:600px;margin:0 auto}

        /* ===== 分类导航 ===== */

        /* ===== 文章列表 ===== */
        .articles-main{padding:2rem 0 4rem;background:var(--bg)}
        .articles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem}
        .article-card{background:var(--bg-alt);border-radius:var(--radius-sm);overflow:hidden;border:1px solid rgba(0,85,204,0.06);transition:all var(--transition);display:flex;flex-direction:column}
        .article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand)}
        .article-card .thumb{height:160px;overflow:hidden;background:var(--brand-light);flex-shrink:0;position:relative}
        .article-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition)}
        .article-card:hover .thumb img{transform:scale(1.04)}
        .article-card .thumb .cat-tag{position:absolute;bottom:0.6rem;left:0.6rem;font-size:0.55rem;font-weight:600;color:#fff;background:var(--brand);padding:0.1rem 0.7rem;border-radius:40px;letter-spacing:0.3px}
        .article-card .body{padding:1rem 1.2rem 1rem;flex:1;display:flex;flex-direction:column}
        .article-card .body .date{font-size:0.7rem;color:var(--muted);margin-bottom:0.3rem}
        .article-card .body h3{font-size:0.98rem;font-weight:600;line-height:1.4;margin-bottom:0.3rem}
        .article-card .body h3 a{color:var(--title);transition:color var(--transition)}
        .article-card .body h3 a:hover{color:var(--brand);text-decoration:underline}
        .article-card .body p{font-size:0.85rem;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;margin-bottom:0.5rem;line-height:1.6}
        .article-card .body .meta{display:flex;justify-content:space-between;align-items:center;font-size:0.75rem;color:var(--muted);border-top:1px solid rgba(0,85,204,0.06);padding-top:0.6rem;margin-top:0.2rem}
        .article-card .body .meta a{color:var(--brand);font-weight:500;transition:color var(--transition)}
        .article-card .body .meta a:hover{color:var(--brand-dark);text-decoration:underline}
        @media (max-width:768px){.articles-grid{grid-template-columns:1fr 1fr;gap:1.2rem}}
        @media (max-width:480px){.articles-grid{grid-template-columns:1fr;gap:1rem}.article-card .thumb{height:140px}}

        /* ===== 分页 ===== */

        /* ===== 订阅CTA ===== */
        .cta-section{padding:3rem 0;background:var(--brand);color:#fff}
        .cta-section h2{font-size:2rem;font-weight:700;text-align:center;margin-bottom:0.3rem}
        .cta-section p{text-align:center;font-size:1.05rem;opacity:0.85;margin-bottom:1.5rem}
        .cta-section .btn{background:#fff;color:var(--brand);box-shadow:none}
        .cta-section .btn:hover{background:var(--brand-light);transform:translateY(-2px)}

        /* ===== 底部 ===== */
        .footer{padding:2.8rem 0 2rem;background:var(--title);color:rgba(255,255,255,0.7);border-top:1px solid rgba(255,255,255,0.06)}
        .footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}
        .footer-left{display:flex;flex-wrap:wrap;align-items:center;gap:1.6rem}
        .footer-links{display:flex;flex-wrap:wrap;gap:1.6rem}
        .footer-links a{color:rgba(255,255,255,0.7);font-size:0.9rem;transition:color var(--transition)}
        .footer-links a:hover{color:#fff}
        .footer-social{display:flex;gap:1rem}
        .footer-social a{color:rgba(255,255,255,0.5);font-size:1.1rem;transition:color var(--transition)}
        .footer-social a:hover{color:#fff}
        .footer-copy{font-size:0.85rem;color:rgba(255,255,255,0.5)}
        .footer-copy .icp{display:block;margin-top:0.2rem;font-size:0.75rem}
        @media (max-width:768px){.footer .container{flex-direction:column;text-align:center}.footer-left{flex-direction:column;gap:0.8rem}.footer-links{justify-content:center}.footer-social{justify-content:center}}
        @media (max-width:480px){.footer-links{gap:1rem;justify-content:center}}

        ::-webkit-scrollbar{width:8px}
        ::-webkit-scrollbar-track{background:var(--bg-alt)}
        ::-webkit-scrollbar-thumb{background:var(--brand);border-radius:40px}

/* ===== download.html ===== */
/* ===== 全局重置 ===== */
        *{margin:0;padding:0;box-sizing:border-box}
        :root{--brand:#0055cc;--brand-dark:#0044a8;--brand-light:#e8f0fe;--title:#0c2137;--body:#3a5f83;--muted:#526f8a;--bg:#ffffff;--bg-alt:#f8fcff;--radius:40px;--radius-sm:24px;--shadow:0 8px 28px rgba(0,85,204,0.15);--shadow-hover:0 12px 40px rgba(0,85,204,0.25);--transition:0.25s ease}
        html{scroll-behavior:smooth}
        body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
        a{text-decoration:none;color:inherit}
        img{display:block;max-width:100%;height:auto}
        .container,.nav-inner{width:92%;max-width:1280px;margin:0 auto;padding:0 16px;box-sizing:border-box}
        @media (min-width:768px){.container,.nav-inner{width:90%;padding:0 24px}}
        @media (min-width:1024px){.container,.nav-inner{width:85%;padding:0 40px}}
        .section-title{font-size:2.4rem;font-weight:700;color:var(--title);text-align:center;margin-bottom:0.5rem}
        .section-sub{text-align:center;color:var(--muted);font-size:1.1rem;margin-bottom:2.5rem}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:0.6rem;padding:0.85rem 2.2rem;border-radius:var(--radius);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition);background:var(--bg);color:var(--title);box-shadow:0 2px 8px rgba(0,0,0,0.04)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);background:var(--brand-dark)}
        .btn-outline{background:transparent;color:var(--brand);border:2px solid var(--brand)}
        .btn-outline:hover{transform:translateY(-2px);background:var(--brand);color:#fff}
        .btn-sm{padding:0.5rem 1.4rem;font-size:0.9rem;border-radius:var(--radius-sm)}
        .badge-free{display:inline-block;background:#22c55e;color:#fff;font-size:0.65rem;font-weight:700;padding:0.1rem 0.8rem;border-radius:40px;margin-left:0.4rem;vertical-align:middle}

        /* ===== 导航 ===== */
        .navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,85,204,0.06);padding:0.6rem 0;transition:box-shadow var(--transition)}
        .navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.06)}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap}
        .nav-logo{flex-shrink:0}
        .nav-logo img{display:block;height:32px;width:auto}
        .nav-links{display:flex;align-items:center;gap:1.2rem;list-style:none;font-weight:500;flex-shrink:0}
        .nav-links a{font-size:0.9rem;color:var(--body);position:relative;padding:0.25rem 0;white-space:nowrap}
        .nav-links a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width var(--transition)}
        .nav-links a:hover::after{width:100%}
        .nav-links a:hover{color:var(--brand)}
        .nav-links .highlight a{color:var(--brand);font-weight:700}
        .nav-links .highlight a::after{width:100%}
        .nav-download-btn{flex-shrink:0;margin-left:0.2rem}
        .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:transparent;border:none;flex-shrink:0}
        .hamburger span{display:block;width:26px;height:3px;background:var(--title);border-radius:4px;transition:all var(--transition)}
        .hamburger.active span:nth-child(1){transform:rotate(45deg)translate(5px,5px)}
        .hamburger.active span:nth-child(2){opacity:0}
        .hamburger.active span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}
        @media (max-width: 992px) { .nav-links{gap:0.8rem} .nav-links a{font-size:0.82rem} }
        @media (max-width: 768px) { .nav-inner{flex-wrap:wrap} .nav-links{display:none;flex-direction:column;width:100%;padding:0.8rem 0 0.4rem;gap:0.2rem;border-top:1px solid rgba(0,85,204,0.06);margin-top:0.6rem;flex-shrink:0} .nav-links.open{display:flex} .nav-links a{font-size:0.95rem;padding:0.4rem 0;white-space:normal} .hamburger{display:flex} .nav-download-btn{display:none} }

        /* ===== 通用区块 ===== */
        .page-header{padding:2.5rem 0 1.5rem;background:var(--bg-alt);border-bottom:1px solid rgba(0,85,204,0.04)}
        .page-header h1{font-size:2.6rem;font-weight:800;color:var(--title);text-align:center;margin-bottom:0.3rem;letter-spacing:-0.02em}
        .page-header h1 span{color:var(--brand)}
        .page-header .sub{text-align:center;color:var(--muted);font-size:1.05rem;max-width:600px;margin:0 auto}

        .download-main{padding:3rem 0 2rem;background:var(--bg)}
        .download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-top:1rem}
        .download-card{background:var(--bg-alt);border-radius:var(--radius-sm);padding:2.2rem 1.8rem;text-align:center;border:1px solid rgba(0,85,204,0.06);transition:all var(--transition);position:relative}
        .download-card:hover{transform:translateY(-6px);border-color:var(--brand);box-shadow:var(--shadow)}
        .download-card .platform-icon{font-size:3.2rem;color:var(--brand);margin-bottom:0.6rem}
        .download-card h3{font-size:1.3rem;font-weight:700;color:var(--title);margin-bottom:0.1rem}
        .download-card .version{font-size:0.8rem;color:var(--muted);margin-bottom:0.2rem}
        .download-card .system{font-size:0.85rem;color:var(--body);margin-bottom:0.8rem}
        .download-card .file-size{font-size:0.75rem;color:var(--muted);margin-bottom:0.5rem}
        .download-card .checksum{font-size:0.55rem;color:var(--muted);word-break:break-all;margin-bottom:0.8rem;font-family:monospace;background:rgba(0,0,0,0.03);padding:0.3rem 0.6rem;border-radius:6px}
        .download-card .btn{width:100%;justify-content:center}
        .download-card .hot-tag{position:absolute;top:-0.5rem;right:1.2rem;background:#ff6b35;color:#fff;font-size:0.6rem;font-weight:700;padding:0.1rem 0.8rem;border-radius:40px;text-transform:uppercase;letter-spacing:0.5px}
        .download-card .badge-safe{display:inline-block;background:rgba(34,197,94,0.12);color:#16a34a;font-size:0.6rem;font-weight:600;padding:0.1rem 0.6rem;border-radius:40px;margin-top:0.3rem}
        .download-card.windows .platform-icon{color:#0078d4}
        .download-card.macos .platform-icon{color:#555}
        .download-card.android .platform-icon{color:#3ddc84}
        .download-card.ios .platform-icon{color:#555}
        @media (max-width:768px){.download-grid{grid-template-columns:1fr 1fr;gap:1.2rem}}
        @media (max-width:480px){.download-grid{grid-template-columns:1fr;gap:1rem}.download-card{padding:1.4rem 1rem}.download-card .platform-icon{font-size:2.4rem}}

        .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:0.5rem}
        .info-item{text-align:center;padding:1.2rem}
        .info-item .icon{font-size:2rem;color:var(--brand);margin-bottom:0.6rem}
        .info-item h3{font-size:1.05rem;font-weight:700;color:var(--title);margin-bottom:0.3rem}
        .info-item p{font-size:0.9rem;color:var(--body);line-height:1.7}
        @media (max-width:768px){.info-grid{grid-template-columns:1fr;gap:1rem}}

        .testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:1rem}
        .testimonial-card{background:var(--bg-alt);border-radius:var(--radius-sm);padding:1.8rem 2rem;border:1px solid rgba(0,85,204,0.06);transition:all var(--transition);position:relative}
        .testimonial-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow)}
        .testimonial-card .stars{color:#f59e0b;font-size:0.85rem;letter-spacing:0.1rem;margin-bottom:0.4rem}
        .testimonial-card .quote{font-size:0.92rem;color:var(--body);line-height:1.7;font-style:italic;margin-bottom:0.8rem}
        .testimonial-card .quote::before{content:'"';color:var(--brand);font-size:1.2rem;font-weight:700;opacity:0.4}
        .testimonial-card .quote::after{content:'"';color:var(--brand);font-size:1.2rem;font-weight:700;opacity:0.4}
        .testimonial-card .author{display:flex;align-items:center;gap:0.8rem;border-top:1px solid rgba(0,85,204,0.06);padding-top:0.8rem}
        .testimonial-card .author .avatar{width:40px;height:40px;border-radius:50%;background:var(--brand-light);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--brand);font-size:1rem;flex-shrink:0}
        .testimonial-card .author .info .name{font-weight:600;color:var(--title);font-size:0.9rem}
        .testimonial-card .author .info .role{font-size:0.75rem;color:var(--muted)}
        .testimonial-card .platform-tag{position:absolute;top:0.8rem;right:1.2rem;font-size:0.55rem;font-weight:600;color:var(--muted);background:rgba(0,0,0,0.04);padding:0.1rem 0.6rem;border-radius:40px}
        @media (max-width:768px){.testimonials-grid{grid-template-columns:1fr 1fr;gap:1.2rem}}
        @media (max-width:480px){.testimonials-grid{grid-template-columns:1fr;gap:1rem}.testimonial-card{padding:1.2rem 1.2rem}}

        .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;margin-top:1rem}
        .feature-item{background:var(--bg-alt);border-radius:var(--radius-sm);padding:1.8rem 2rem;border-left:4px solid var(--brand);transition:all var(--transition)}
        .feature-item:hover{box-shadow:var(--shadow-hover);transform:translateX(4px)}
        .feature-item h3{font-size:1.1rem;font-weight:700;color:var(--title);margin-bottom:0.4rem}
        .feature-item p{font-size:0.9rem;color:var(--body);line-height:1.7}
        .feature-item ul{list-style:none;margin-top:0.4rem}
        .feature-item ul li{position:relative;padding-left:1.2rem;font-size:0.88rem;color:var(--body);line-height:1.8}
        .feature-item ul li::before{content:'✓';position:absolute;left:0;color:var(--brand);font-weight:700}
        @media (max-width:768px){.feature-grid{grid-template-columns:1fr}}

        .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:1rem}
        .step-item{text-align:center;padding:1.5rem 1rem;background:var(--bg-alt);border-radius:var(--radius-sm);border:1px solid rgba(0,85,204,0.04);transition:all var(--transition)}
        .step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .step-item .step-num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--brand);color:#fff;border-radius:50%;font-weight:700;font-size:1.1rem;margin-bottom:0.6rem}
        .step-item h3{font-size:1rem;font-weight:700;color:var(--title);margin-bottom:0.3rem}
        .step-item p{font-size:0.85rem;color:var(--body);line-height:1.6}
        @media (max-width:768px){.steps-grid{grid-template-columns:1fr 1fr}}
        @media (max-width:480px){.steps-grid{grid-template-columns:1fr}}

        .compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:1rem;align-items:stretch}
        .compare-item{background:var(--bg-alt);border-radius:var(--radius-sm);padding:1.5rem 1rem;text-align:center;border:1px solid rgba(0,85,204,0.06);transition:all var(--transition)}
        .compare-item:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow)}
        .compare-item .platform{font-weight:700;color:var(--title);font-size:1.1rem;margin-bottom:0.3rem}
        .compare-item .version{font-size:0.8rem;color:var(--muted);margin-bottom:0.3rem}
        .compare-item .features{list-style:none;padding:0;margin:0.4rem 0;text-align:left}
        .compare-item .features li{font-size:0.8rem;color:var(--body);padding:0.15rem 0;position:relative;padding-left:1.2rem}
        .compare-item .features li::before{content:'✓';position:absolute;left:0;color:var(--brand);font-weight:700}
        .compare-item .recommend{display:inline-block;background:var(--brand);color:#fff;font-size:0.6rem;font-weight:700;padding:0.1rem 0.6rem;border-radius:40px;margin-top:0.4rem}
        .compare-item.best{border-color:var(--brand);background:var(--brand-light)}
        @media (max-width:768px){.compare-grid{grid-template-columns:1fr 1fr}}
        @media (max-width:480px){.compare-grid{grid-template-columns:1fr}}

        .changelog-list{max-width:800px;margin:0 auto}
        .changelog-item{display:flex;gap:1.5rem;padding:1rem 0;border-bottom:1px solid rgba(0,85,204,0.04)}
        .changelog-item:last-child{border-bottom:none}
        .changelog-item .version-tag{flex-shrink:0;font-weight:700;color:var(--brand);font-size:1rem;min-width:80px}
        .changelog-item .date-tag{flex-shrink:0;color:var(--muted);font-size:0.85rem;min-width:100px}
        .changelog-item .desc{color:var(--body);font-size:0.92rem}
        .changelog-item .desc ul{list-style:none;padding:0;margin:0.2rem 0 0}
        .changelog-item .desc li{position:relative;padding-left:1.2rem;font-size:0.88rem;color:var(--body);line-height:1.6}
        .changelog-item .desc li::before{content:'·';position:absolute;left:0;color:var(--brand);font-weight:700}
        @media (max-width:600px){.changelog-item{flex-wrap:wrap;gap:0.3rem}.changelog-item .version-tag{min-width:auto}.changelog-item .date-tag{min-width:auto;font-size:0.75rem}}

        .faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0.8rem;width:100%;max-width:900px;margin:0 auto}
        .faq-item{border:1px solid rgba(0,85,204,0.06);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-alt);transition:all var(--transition)}
        .faq-item:hover{border-color:rgba(0,85,204,0.15)}
        .faq-question{width:100%;padding:0.8rem 1.2rem;background:transparent;border:none;text-align:left;font-size:0.92rem;font-weight:600;color:var(--title);cursor:default;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:inherit;line-height:1.4;pointer-events:none}
        .faq-question i{font-size:0.8rem;color:var(--brand);flex-shrink:0;transform:rotate(180deg)}
        .faq-answer{padding:0 1.2rem 0.8rem;font-size:0.88rem;color:var(--body);line-height:1.7}
        @media (max-width:768px){.faq-list{grid-template-columns:1fr}}

        .footer{padding:2.8rem 0 2rem;background:var(--title);color:rgba(255,255,255,0.7);border-top:1px solid rgba(255,255,255,0.06)}
        .footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}
        .footer-left{display:flex;flex-wrap:wrap;align-items:center;gap:1.6rem}
        .footer-links{display:flex;flex-wrap:wrap;gap:1.6rem}
        .footer-links a{color:rgba(255,255,255,0.7);font-size:0.9rem;transition:color var(--transition)}
        .footer-links a:hover{color:#fff}
        .footer-social{display:flex;gap:1rem}
        .footer-social a{color:rgba(255,255,255,0.5);font-size:1.1rem;transition:color var(--transition)}
        .footer-social a:hover{color:#fff}
        .footer-copy{font-size:0.85rem;color:rgba(255,255,255,0.5)}
        .footer-copy .icp{display:block;margin-top:0.2rem;font-size:0.75rem}
        @media (max-width:768px){.footer .container{flex-direction:column;text-align:center}.footer-left{flex-direction:column;gap:0.8rem}.footer-links{justify-content:center}.footer-social{justify-content:center}}
        @media (max-width:480px){.footer-links{gap:1rem;justify-content:center}}
        ::-webkit-scrollbar{width:8px}
        ::-webkit-scrollbar-track{background:var(--bg-alt)}
        ::-webkit-scrollbar-thumb{background:var(--brand);border-radius:40px}

/* ===== features.html ===== */
/* ===== 全局重置 ===== */
        *{margin:0;padding:0;box-sizing:border-box}
        :root{--brand:#0055cc;--brand-dark:#0044a8;--brand-light:#e8f0fe;--title:#0c2137;--body:#3a5f83;--muted:#526f8a;--bg:#ffffff;--bg-alt:#f8fcff;--radius:40px;--radius-sm:24px;--shadow:0 8px 28px rgba(0,85,204,0.15);--shadow-hover:0 12px 40px rgba(0,85,204,0.25);--transition:0.25s ease}
        html{scroll-behavior:smooth}
        body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
        a{text-decoration:none;color:inherit}
        img{display:block;max-width:100%;height:auto}

        /* ===== 容器统一 ===== */
        .container,.nav-inner{width:92%;max-width:1280px;margin:0 auto;padding:0 16px;box-sizing:border-box}
        @media (min-width:768px){.container,.nav-inner{width:90%;padding:0 24px}}
        @media (min-width:1024px){.container,.nav-inner{width:85%;padding:0 40px}}

        .section-title{font-size:2.4rem;font-weight:700;color:var(--title);text-align:center;margin-bottom:0.5rem}
        .section-sub{text-align:center;color:var(--muted);font-size:1.1rem;margin-bottom:2.5rem}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:0.6rem;padding:0.85rem 2.2rem;border-radius:var(--radius);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition);background:var(--bg);color:var(--title);box-shadow:0 2px 8px rgba(0,0,0,0.04)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);background:var(--brand-dark)}
        .btn-outline{background:transparent;color:var(--brand);border:2px solid var(--brand)}
        .btn-outline:hover{transform:translateY(-2px);background:var(--brand);color:#fff}
        .btn-sm{padding:0.5rem 1.4rem;font-size:0.9rem;border-radius:var(--radius-sm)}

        /* ===== 导航 ===== */
        .navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,85,204,0.06);padding:0.6rem 0;transition:box-shadow var(--transition)}
        .navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.06)}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap}
        .nav-logo{flex-shrink:0}
        .nav-logo img{display:block;height:32px;width:auto}
        .nav-links{display:flex;align-items:center;gap:1.2rem;list-style:none;font-weight:500;flex-shrink:0}
        .nav-links a{font-size:0.9rem;color:var(--body);position:relative;padding:0.25rem 0;white-space:nowrap}
        .nav-links a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width var(--transition)}
        .nav-links a:hover::after{width:100%}
        .nav-links a:hover{color:var(--brand)}
        .nav-links .highlight a{color:var(--brand);font-weight:700}
        .nav-links .highlight a::after{width:100%}
        .nav-download-btn{flex-shrink:0;margin-left:0.2rem}
        .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:transparent;border:none;flex-shrink:0}
        .hamburger span{display:block;width:26px;height:3px;background:var(--title);border-radius:4px;transition:all var(--transition)}
        .hamburger.active span:nth-child(1){transform:rotate(45deg)translate(5px,5px)}
        .hamburger.active span:nth-child(2){opacity:0}
        .hamburger.active span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}
        @media (max-width:992px){.nav-links{gap:0.8rem}.nav-links a{font-size:0.82rem}}
        @media (max-width:768px){.nav-inner{flex-wrap:wrap}.nav-links{display:none;flex-direction:column;width:100%;padding:0.8rem 0 0.4rem;gap:0.2rem;border-top:1px solid rgba(0,85,204,0.06);margin-top:0.6rem;flex-shrink:0}.nav-links.open{display:flex}.nav-links a{font-size:0.95rem;padding:0.4rem 0;white-space:normal}.hamburger{display:flex}.nav-download-btn{display:none}}

        /* ===== 页面标题 ===== */
        .page-header{padding:2.5rem 0 1.5rem;background:var(--bg-alt);border-bottom:1px solid rgba(0,85,204,0.04)}
        .page-header h1{font-size:2.6rem;font-weight:800;color:var(--title);text-align:center;margin-bottom:0.3rem;letter-spacing:-0.02em}
        .page-header h1 span{color:var(--brand)}
        .page-header .sub{text-align:center;color:var(--muted);font-size:1.05rem;max-width:600px;margin:0 auto}

        /* ===== 功能卡片网格 ===== */
        .features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;margin-top:1rem}
        .feature-card{background:var(--bg-alt);border-radius:var(--radius-sm);padding:2rem 2rem;border:1px solid rgba(0,85,204,0.06);transition:all var(--transition);position:relative}
        .feature-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow)}
        .feature-card .icon{font-size:2.8rem;color:var(--brand);margin-bottom:0.6rem;display:block}
        .feature-card h3{font-size:1.2rem;font-weight:700;color:var(--title);margin-bottom:0.4rem}
        .feature-card p{font-size:0.92rem;color:var(--body);line-height:1.7;margin-bottom:0.6rem}
        .feature-card .sub-features{list-style:none;padding:0;margin:0}
        .feature-card .sub-features li{font-size:0.85rem;color:var(--body);padding:0.2rem 0;position:relative;padding-left:1.2rem}
        .feature-card .sub-features li::before{content:'✓';position:absolute;left:0;color:var(--brand);font-weight:700}
        .feature-card .tag{display:inline-block;font-size:0.6rem;font-weight:600;color:var(--brand);background:var(--brand-light);padding:0.1rem 0.6rem;border-radius:40px;margin-top:0.4rem}
        .feature-card.highlight{border-color:var(--brand);background:var(--brand-light)}
        .feature-card.highlight .icon{color:var(--brand-dark)}
        @media (max-width:768px){.features-grid{grid-template-columns:1fr}}

        /* ===== 功能详细列表 ===== */
        .detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem;margin-top:1rem}
        .detail-item{background:var(--bg);border-radius:var(--radius-sm);padding:1.5rem 1.5rem;border:1px solid rgba(0,85,204,0.04);text-align:center;transition:all var(--transition)}
        .detail-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
        .detail-item .num{font-size:0.7rem;font-weight:700;color:var(--brand);background:var(--brand-light);display:inline-block;padding:0.1rem 0.5rem;border-radius:40px;margin-bottom:0.4rem}
        .detail-item h3{font-size:1rem;font-weight:700;color:var(--title);margin-bottom:0.3rem}
        .detail-item p{font-size:0.85rem;color:var(--body);line-height:1.6}
        @media (max-width:768px){.detail-grid{grid-template-columns:1fr 1fr;gap:1rem}}
        @media (max-width:480px){.detail-grid{grid-template-columns:1fr}}

        /* ===== 对比表格 ===== */
        .compare-wrap{overflow-x:auto;margin-top:1rem}
        .compare-table{width:100%;border-collapse:collapse;font-size:0.9rem;min-width:600px}
        .compare-table th{background:var(--title);color:#fff;padding:0.8rem 1rem;text-align:center;font-weight:600}
        .compare-table td{padding:0.7rem 1rem;text-align:center;border-bottom:1px solid rgba(0,85,204,0.06)}
        .compare-table tr:nth-child(even){background:var(--bg-alt)}
        .compare-table .check{color:#22c55e;font-weight:700}
        .compare-table .cross{color:#ef4444;font-weight:700}
        .compare-table .feature-name{text-align:left;font-weight:500;color:var(--title)}
        @media (max-width:600px){.compare-table{font-size:0.75rem;min-width:450px}.compare-table th,.compare-table td{padding:0.4rem 0.6rem}}

        /* ===== 技术规格 ===== */
        .spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem;margin-top:1rem;max-width:800px;margin-left:auto;margin-right:auto}
        .spec-item{display:flex;justify-content:space-between;padding:0.6rem 1.2rem;background:var(--bg-alt);border-radius:var(--radius-sm);border:1px solid rgba(0,85,204,0.04)}
        .spec-item .label{font-weight:600;color:var(--title)}
        .spec-item .value{color:var(--body)}
        @media (max-width:480px){.spec-grid{grid-template-columns:1fr}.spec-item{padding:0.4rem 0.8rem;font-size:0.85rem}}

        /* ===== FAQ ===== */
        .faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0.8rem;width:100%;max-width:900px;margin:0 auto}
        .faq-item{border:1px solid rgba(0,85,204,0.06);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-alt);transition:all var(--transition)}
        .faq-item:hover{border-color:rgba(0,85,204,0.15)}
        .faq-question{width:100%;padding:0.8rem 1.2rem;background:transparent;border:none;text-align:left;font-size:0.92rem;font-weight:600;color:var(--title);cursor:default;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:inherit;line-height:1.4;pointer-events:none}
        .faq-question i{font-size:0.8rem;color:var(--brand);flex-shrink:0;transform:rotate(180deg)}
        .faq-answer{padding:0 1.2rem 0.8rem;font-size:0.88rem;color:var(--body);line-height:1.7}
        @media (max-width:768px){.faq-list{grid-template-columns:1fr}}

        /* ===== CTA 底部 ===== */
        .cta-section{padding:3rem 0;background:var(--brand);color:#fff}
        .cta-section h2{font-size:2rem;font-weight:700;text-align:center;margin-bottom:0.3rem}
        .cta-section p{text-align:center;font-size:1.05rem;opacity:0.85;margin-bottom:1.5rem}
        .cta-section .btn{background:#fff;color:var(--brand);box-shadow:none}
        .cta-section .btn:hover{background:var(--brand-light);transform:translateY(-2px)}

        /* ===== 底部 ===== */
        .footer{padding:2.8rem 0 2rem;background:var(--title);color:rgba(255,255,255,0.7);border-top:1px solid rgba(255,255,255,0.06)}
        .footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}
        .footer-left{display:flex;flex-wrap:wrap;align-items:center;gap:1.6rem}
        .footer-links{display:flex;flex-wrap:wrap;gap:1.6rem}
        .footer-links a{color:rgba(255,255,255,0.7);font-size:0.9rem;transition:color var(--transition)}
        .footer-links a:hover{color:#fff}
        .footer-social{display:flex;gap:1rem}
        .footer-social a{color:rgba(255,255,255,0.5);font-size:1.1rem;transition:color var(--transition)}
        .footer-social a:hover{color:#fff}
        .footer-copy{font-size:0.85rem;color:rgba(255,255,255,0.5)}
        .footer-copy .icp{display:block;margin-top:0.2rem;font-size:0.75rem}
        @media (max-width:768px){.footer .container{flex-direction:column;text-align:center}.footer-left{flex-direction:column;gap:0.8rem}.footer-links{justify-content:center}.footer-social{justify-content:center}}
        @media (max-width:480px){.footer-links{gap:1rem;justify-content:center}}

        ::-webkit-scrollbar{width:8px}
        ::-webkit-scrollbar-track{background:var(--bg-alt)}
        ::-webkit-scrollbar-thumb{background:var(--brand);border-radius:40px}

/* ===== pricing.html ===== */
/* ===== 全局重置 ===== */
        *{margin:0;padding:0;box-sizing:border-box}
        :root{--brand:#0055cc;--brand-dark:#0044a8;--brand-light:#e8f0fe;--title:#0c2137;--body:#3a5f83;--muted:#526f8a;--bg:#ffffff;--bg-alt:#f8fcff;--radius:40px;--radius-sm:24px;--shadow:0 8px 28px rgba(0,85,204,0.15);--shadow-hover:0 12px 40px rgba(0,85,204,0.25);--transition:0.25s ease}
        html{scroll-behavior:smooth}
        body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
        a{text-decoration:none;color:inherit}
        img{display:block;max-width:100%;height:auto}

        /* ===== 容器统一 ===== */
        .container,.nav-inner{width:92%;max-width:1280px;margin:0 auto;padding:0 16px;box-sizing:border-box}
        @media (min-width:768px){.container,.nav-inner{width:90%;padding:0 24px}}
        @media (min-width:1024px){.container,.nav-inner{width:85%;padding:0 40px}}

        .section-title{font-size:2.4rem;font-weight:700;color:var(--title);text-align:center;margin-bottom:0.5rem}
        .section-sub{text-align:center;color:var(--muted);font-size:1.1rem;margin-bottom:2.5rem}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:0.6rem;padding:0.85rem 2.2rem;border-radius:var(--radius);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition);background:var(--bg);color:var(--title);box-shadow:0 2px 8px rgba(0,0,0,0.04)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);background:var(--brand-dark)}
        .btn-outline{background:transparent;color:var(--brand);border:2px solid var(--brand)}
        .btn-outline:hover{transform:translateY(-2px);background:var(--brand);color:#fff}
        .btn-sm{padding:0.5rem 1.4rem;font-size:0.9rem;border-radius:var(--radius-sm)}

        /* ===== 导航 ===== */
        .navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,85,204,0.06);padding:0.6rem 0;transition:box-shadow var(--transition)}
        .navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.06)}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap}
        .nav-logo{flex-shrink:0}
        .nav-logo img{display:block;height:32px;width:auto}
        .nav-links{display:flex;align-items:center;gap:1.2rem;list-style:none;font-weight:500;flex-shrink:0}
        .nav-links a{font-size:0.9rem;color:var(--body);position:relative;padding:0.25rem 0;white-space:nowrap}
        .nav-links a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width var(--transition)}
        .nav-links a:hover::after{width:100%}
        .nav-links a:hover{color:var(--brand)}
        .nav-links .highlight a{color:var(--brand);font-weight:700}
        .nav-links .highlight a::after{width:100%}
        .nav-download-btn{flex-shrink:0;margin-left:0.2rem}
        .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:transparent;border:none;flex-shrink:0}
        .hamburger span{display:block;width:26px;height:3px;background:var(--title);border-radius:4px;transition:all var(--transition)}
        .hamburger.active span:nth-child(1){transform:rotate(45deg)translate(5px,5px)}
        .hamburger.active span:nth-child(2){opacity:0}
        .hamburger.active span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}
        @media (max-width:992px){.nav-links{gap:0.8rem}.nav-links a{font-size:0.82rem}}
        @media (max-width:768px){.nav-inner{flex-wrap:wrap}.nav-links{display:none;flex-direction:column;width:100%;padding:0.8rem 0 0.4rem;gap:0.2rem;border-top:1px solid rgba(0,85,204,0.06);margin-top:0.6rem;flex-shrink:0}.nav-links.open{display:flex}.nav-links a{font-size:0.95rem;padding:0.4rem 0;white-space:normal}.hamburger{display:flex}.nav-download-btn{display:none}}

        /* ===== 页面标题 ===== */
        .page-header{padding:2.5rem 0 1.5rem;background:var(--bg-alt);border-bottom:1px solid rgba(0,85,204,0.04)}
        .page-header h1{font-size:2.6rem;font-weight:800;color:var(--title);text-align:center;margin-bottom:0.3rem;letter-spacing:-0.02em}
        .page-header h1 span{color:var(--brand)}
        .page-header .sub{text-align:center;color:var(--muted);font-size:1.05rem;max-width:600px;margin:0 auto}

        /* ===== 定价卡片网格 ===== */
        .pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:1rem;align-items:stretch}
        .pricing-card{background:var(--bg-alt);border-radius:var(--radius-sm);padding:2.2rem 2rem 2rem;border:1px solid rgba(0,85,204,0.06);transition:all var(--transition);display:flex;flex-direction:column;position:relative;text-align:center}
        .pricing-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow)}
        .pricing-card .badge{position:absolute;top:-0.5rem;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:0.6rem;font-weight:700;padding:0.15rem 1.2rem;border-radius:40px;text-transform:uppercase;letter-spacing:0.5px;white-space:nowrap}
        .pricing-card .plan-name{font-size:1.3rem;font-weight:700;color:var(--title);margin-bottom:0.2rem;padding-top:0.4rem}
        .pricing-card .plan-desc{font-size:0.85rem;color:var(--muted);margin-bottom:0.6rem}
        .pricing-card .price{font-size:2.6rem;font-weight:800;color:var(--title);margin-bottom:0.1rem}
        .pricing-card .price small{font-size:0.95rem;font-weight:400;color:var(--muted)}
        .pricing-card .price .original{font-size:0.95rem;font-weight:400;color:#b0c4d9;text-decoration:line-through;margin-left:0.4rem}
        .pricing-card .price-note{font-size:0.7rem;color:var(--muted);margin-bottom:1rem}
        .pricing-card .features{list-style:none;padding:0;margin:0 0 1.2rem;flex:1;text-align:left}
        .pricing-card .features li{display:flex;align-items:center;gap:0.6rem;padding:0.25rem 0;font-size:0.85rem;color:var(--body)}
        .pricing-card .features li i{color:var(--brand);font-size:0.8rem;width:1.2rem;text-align:center;flex-shrink:0}
        .pricing-card .btn{width:100%;justify-content:center;margin-top:0.4rem}
        .pricing-card.recommended{border-color:var(--brand);background:var(--brand-light);transform:scale(1.02)}
        .pricing-card.recommended:hover{transform:scale(1.02)translateY(-4px)}
        .pricing-card.recommended .badge{background:var(--brand-dark)}
        @media (max-width:768px){.pricing-grid{grid-template-columns:1fr 1fr;gap:1.2rem}.pricing-card.recommended{transform:scale(1)}.pricing-card.recommended:hover{transform:scale(1)translateY(-4px)}}
        @media (max-width:480px){.pricing-grid{grid-template-columns:1fr;gap:1rem}.pricing-card{padding:1.4rem 1rem}}

        /* ===== 价格对比表格 ===== */
        .compare-wrap{overflow-x:auto;margin-top:1rem}
        .compare-table{width:100%;border-collapse:collapse;font-size:0.9rem;min-width:600px}
        .compare-table th{background:var(--title);color:#fff;padding:0.8rem 1rem;text-align:center;font-weight:600}
        .compare-table th:first-child{text-align:left;padding-left:1.5rem}
        .compare-table td{padding:0.7rem 1rem;text-align:center;border-bottom:1px solid rgba(0,85,204,0.06)}
        .compare-table tr:nth-child(even){background:var(--bg-alt)}
        .compare-table .check{color:#22c55e;font-weight:700}
        .compare-table .cross{color:#ef4444;font-weight:700}
        .compare-table .feature-name{text-align:left;font-weight:500;color:var(--title);padding-left:1.5rem}
        .compare-table .highlight-cell{background:var(--brand-light);font-weight:600;color:var(--brand)}
        @media (max-width:600px){.compare-table{font-size:0.75rem;min-width:450px}.compare-table th,.compare-table td{padding:0.4rem 0.6rem}.compare-table .feature-name{padding-left:0.6rem}}

        /* ===== 订阅优势 ===== */
        .advantage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:1rem}
        .advantage-item{text-align:center;padding:1.2rem 0.8rem;background:var(--bg-alt);border-radius:var(--radius-sm);border:1px solid rgba(0,85,204,0.04);transition:all var(--transition)}
        .advantage-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
        .advantage-item .icon{font-size:2rem;color:var(--brand);margin-bottom:0.4rem}
        .advantage-item h3{font-size:0.95rem;font-weight:700;color:var(--title);margin-bottom:0.2rem}
        .advantage-item p{font-size:0.8rem;color:var(--body);line-height:1.5}
        @media (max-width:768px){.advantage-grid{grid-template-columns:1fr 1fr;gap:1rem}}
        @media (max-width:480px){.advantage-grid{grid-template-columns:1fr 1fr;gap:0.8rem}.advantage-item{padding:0.8rem 0.4rem}}

        /* ===== FAQ ===== */
        .faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0.8rem;width:100%;max-width:900px;margin:0 auto}
        .faq-item{border:1px solid rgba(0,85,204,0.06);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-alt);transition:all var(--transition)}
        .faq-item:hover{border-color:rgba(0,85,204,0.15)}
        .faq-question{width:100%;padding:0.8rem 1.2rem;background:transparent;border:none;text-align:left;font-size:0.92rem;font-weight:600;color:var(--title);cursor:default;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:inherit;line-height:1.4;pointer-events:none}
        .faq-question i{font-size:0.8rem;color:var(--brand);flex-shrink:0;transform:rotate(180deg)}
        .faq-answer{padding:0 1.2rem 0.8rem;font-size:0.88rem;color:var(--body);line-height:1.7}
        @media (max-width:768px){.faq-list{grid-template-columns:1fr}}

        /* ===== CTA 底部 ===== */
        .cta-section{padding:3rem 0;background:var(--brand);color:#fff}
        .cta-section h2{font-size:2rem;font-weight:700;text-align:center;margin-bottom:0.3rem}
        .cta-section p{text-align:center;font-size:1.05rem;opacity:0.85;margin-bottom:1.5rem}
        .cta-section .btn{background:#fff;color:var(--brand);box-shadow:none}
        .cta-section .btn:hover{background:var(--brand-light);transform:translateY(-2px)}

        /* ===== 底部 ===== */
        .footer{padding:2.8rem 0 2rem;background:var(--title);color:rgba(255,255,255,0.7);border-top:1px solid rgba(255,255,255,0.06)}
        .footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}
        .footer-left{display:flex;flex-wrap:wrap;align-items:center;gap:1.6rem}
        .footer-links{display:flex;flex-wrap:wrap;gap:1.6rem}
        .footer-links a{color:rgba(255,255,255,0.7);font-size:0.9rem;transition:color var(--transition)}
        .footer-links a:hover{color:#fff}
        .footer-social{display:flex;gap:1rem}
        .footer-social a{color:rgba(255,255,255,0.5);font-size:1.1rem;transition:color var(--transition)}
        .footer-social a:hover{color:#fff}
        .footer-copy{font-size:0.85rem;color:rgba(255,255,255,0.5)}
        .footer-copy .icp{display:block;margin-top:0.2rem;font-size:0.75rem}
        @media (max-width:768px){.footer .container{flex-direction:column;text-align:center}.footer-left{flex-direction:column;gap:0.8rem}.footer-links{justify-content:center}.footer-social{justify-content:center}}
        @media (max-width:480px){.footer-links{gap:1rem;justify-content:center}}

        ::-webkit-scrollbar{width:8px}
        ::-webkit-scrollbar-track{background:var(--bg-alt)}
        ::-webkit-scrollbar-thumb{background:var(--brand);border-radius:40px}

/* ===== faq.html ===== */
/* ===== 全局重置 ===== */
        *{margin:0;padding:0;box-sizing:border-box}
        :root{--brand:#0055cc;--brand-dark:#0044a8;--brand-light:#e8f0fe;--title:#0c2137;--body:#3a5f83;--muted:#526f8a;--bg:#ffffff;--bg-alt:#f8fcff;--radius:40px;--radius-sm:24px;--shadow:0 8px 28px rgba(0,85,204,0.15);--shadow-hover:0 12px 40px rgba(0,85,204,0.25);--transition:0.25s ease}
        html{scroll-behavior:smooth}
        body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
        a{text-decoration:none;color:inherit}
        img{display:block;max-width:100%;height:auto}

        /* ===== 容器统一 ===== */
        .container,.nav-inner{width:92%;max-width:1280px;margin:0 auto;padding:0 16px;box-sizing:border-box}
        @media (min-width:768px){.container,.nav-inner{width:90%;padding:0 24px}}
        @media (min-width:1024px){.container,.nav-inner{width:85%;padding:0 40px}}

        .section-title{font-size:2.4rem;font-weight:700;color:var(--title);text-align:center;margin-bottom:0.5rem}
        .section-sub{text-align:center;color:var(--muted);font-size:1.1rem;margin-bottom:2.5rem}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:0.6rem;padding:0.85rem 2.2rem;border-radius:var(--radius);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition);background:var(--bg);color:var(--title);box-shadow:0 2px 8px rgba(0,0,0,0.04)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);background:var(--brand-dark)}
        .btn-outline{background:transparent;color:var(--brand);border:2px solid var(--brand)}
        .btn-outline:hover{transform:translateY(-2px);background:var(--brand);color:#fff}
        .btn-sm{padding:0.5rem 1.4rem;font-size:0.9rem;border-radius:var(--radius-sm)}

        /* ===== 导航 ===== */
        .navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,85,204,0.06);padding:0.6rem 0;transition:box-shadow var(--transition)}
        .navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.06)}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap}
        .nav-logo{flex-shrink:0}
        .nav-logo img{display:block;height:32px;width:auto}
        .nav-links{display:flex;align-items:center;gap:1.2rem;list-style:none;font-weight:500;flex-shrink:0}
        .nav-links a{font-size:0.9rem;color:var(--body);position:relative;padding:0.25rem 0;white-space:nowrap}
        .nav-links a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width var(--transition)}
        .nav-links a:hover::after{width:100%}
        .nav-links a:hover{color:var(--brand)}
        .nav-links .highlight a{color:var(--brand);font-weight:700}
        .nav-links .highlight a::after{width:100%}
        .nav-download-btn{flex-shrink:0;margin-left:0.2rem}
        .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:transparent;border:none;flex-shrink:0}
        .hamburger span{display:block;width:26px;height:3px;background:var(--title);border-radius:4px;transition:all var(--transition)}
        .hamburger.active span:nth-child(1){transform:rotate(45deg)translate(5px,5px)}
        .hamburger.active span:nth-child(2){opacity:0}
        .hamburger.active span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}
        @media (max-width:992px){.nav-links{gap:0.8rem}.nav-links a{font-size:0.82rem}}
        @media (max-width:768px){.nav-inner{flex-wrap:wrap}.nav-links{display:none;flex-direction:column;width:100%;padding:0.8rem 0 0.4rem;gap:0.2rem;border-top:1px solid rgba(0,85,204,0.06);margin-top:0.6rem;flex-shrink:0}.nav-links.open{display:flex}.nav-links a{font-size:0.95rem;padding:0.4rem 0;white-space:normal}.hamburger{display:flex}.nav-download-btn{display:none}}

        /* ===== 页面标题 ===== */
        .page-header{padding:2.5rem 0 1.5rem;background:var(--bg-alt);border-bottom:1px solid rgba(0,85,204,0.04)}
        .page-header h1{font-size:2.6rem;font-weight:800;color:var(--title);text-align:center;margin-bottom:0.3rem;letter-spacing:-0.02em}
        .page-header h1 span{color:var(--brand)}
        .page-header .sub{text-align:center;color:var(--muted);font-size:1.05rem;max-width:600px;margin:0 auto}

        /* ===== FAQ分类导航 ===== */
        .faq-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:0.6rem;margin-top:0.8rem;padding-bottom:0.4rem}
        .faq-nav a{font-size:0.82rem;color:var(--body);background:var(--bg-alt);padding:0.3rem 1.2rem;border-radius:40px;border:1px solid rgba(0,85,204,0.06);transition:all var(--transition);cursor:pointer}
        .faq-nav a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
        .faq-nav a.active{background:var(--brand);color:#fff;border-color:var(--brand)}

        /* ===== FAQ列表 ===== */
        .faq-main{padding:2rem 0 4rem;background:var(--bg)}
        .faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:0.8rem}
        .faq-item{border:1px solid rgba(0,85,204,0.06);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-alt);transition:all var(--transition)}
        .faq-item:hover{border-color:rgba(0,85,204,0.15)}
        .faq-item.open{border-color:var(--brand)}
        .faq-question{width:100%;padding:0.9rem 1.5rem;background:transparent;border:none;text-align:left;font-size:0.98rem;font-weight:600;color:var(--title);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-family:inherit;line-height:1.4;transition:all var(--transition)}
        .faq-question:hover{color:var(--brand)}
        .faq-question .icon-wrap{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--brand-light);color:var(--brand);flex-shrink:0;transition:all var(--transition)}
        .faq-question .icon-wrap i{font-size:0.85rem;transition:transform var(--transition)}
        .faq-item.open .faq-question .icon-wrap i{transform:rotate(180deg)}
        .faq-answer{padding:0 1.5rem 0;max-height:0;overflow:hidden;transition:all 0.3s ease}
        .faq-item.open .faq-answer{padding:0 1.5rem 1.2rem;max-height:800px}
        .faq-answer p{font-size:0.92rem;color:var(--body);line-height:1.8;margin-bottom:0.6rem}
        .faq-answer p:last-child{margin-bottom:0}
        .faq-answer .step{display:flex;align-items:flex-start;gap:0.5rem;font-size:0.92rem;color:var(--body);line-height:1.8;margin-bottom:0.2rem}
        .faq-answer .step .num{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;background:var(--brand-light);color:var(--brand);font-weight:700;font-size:0.7rem;border-radius:50%;flex-shrink:0;margin-top:0.15rem}
        .faq-answer .step strong{color:var(--title)}
        .faq-answer .highlight-box{background:var(--brand-light);border-radius:var(--radius-sm);padding:0.8rem 1.2rem;margin:0.6rem 0;border-left:3px solid var(--brand)}
        .faq-answer .highlight-box strong{color:var(--brand)}

        /* ===== 未找到答案？ ===== */
        .contact-section{padding:3rem 0;background:var(--bg-alt)}
        .contact-box{max-width:700px;margin:0 auto;background:var(--bg);border-radius:var(--radius-sm);padding:2.5rem 2.5rem;text-align:center;border:1px solid rgba(0,85,204,0.06);box-shadow:var(--shadow)}
        .contact-box h2{font-size:1.3rem;font-weight:700;color:var(--title);margin-bottom:0.3rem}
        .contact-box p{color:var(--body);font-size:0.95rem;margin-bottom:1.2rem}
        .contact-box .btn-group{display:flex;flex-wrap:wrap;justify-content:center;gap:0.8rem}
        @media (max-width:480px){.contact-box{padding:1.5rem 1rem}}

        /* ===== 底部 ===== */
        .footer{padding:2.8rem 0 2rem;background:var(--title);color:rgba(255,255,255,0.7);border-top:1px solid rgba(255,255,255,0.06)}
        .footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}
        .footer-left{display:flex;flex-wrap:wrap;align-items:center;gap:1.6rem}
        .footer-links{display:flex;flex-wrap:wrap;gap:1.6rem}
        .footer-links a{color:rgba(255,255,255,0.7);font-size:0.9rem;transition:color var(--transition)}
        .footer-links a:hover{color:#fff}
        .footer-social{display:flex;gap:1rem}
        .footer-social a{color:rgba(255,255,255,0.5);font-size:1.1rem;transition:color var(--transition)}
        .footer-social a:hover{color:#fff}
        .footer-copy{font-size:0.85rem;color:rgba(255,255,255,0.5)}
        .footer-copy .icp{display:block;margin-top:0.2rem;font-size:0.75rem}
        @media (max-width:768px){.footer .container{flex-direction:column;text-align:center}.footer-left{flex-direction:column;gap:0.8rem}.footer-links{justify-content:center}.footer-social{justify-content:center}}
        @media (max-width:480px){.footer-links{gap:1rem;justify-content:center}}

        ::-webkit-scrollbar{width:8px}
        ::-webkit-scrollbar-track{background:var(--bg-alt)}
        ::-webkit-scrollbar-thumb{background:var(--brand);border-radius:40px}

/* ===== privacy.html ===== */
/* ===== 全局重置 ===== */
        *{margin:0;padding:0;box-sizing:border-box}
        :root{--brand:#0055cc;--brand-dark:#0044a8;--brand-light:#e8f0fe;--title:#0c2137;--body:#3a5f83;--muted:#526f8a;--bg:#ffffff;--bg-alt:#f8fcff;--radius:40px;--radius-sm:24px;--shadow:0 8px 28px rgba(0,85,204,0.15);--shadow-hover:0 12px 40px rgba(0,85,204,0.25);--transition:0.25s ease}
        html{scroll-behavior:smooth}
        body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
        a{text-decoration:none;color:inherit}
        img{display:block;max-width:100%;height:auto}

        /* ===== 容器统一 ===== */
        .container,.nav-inner{width:92%;max-width:1280px;margin:0 auto;padding:0 16px;box-sizing:border-box}
        @media (min-width:768px){.container,.nav-inner{width:90%;padding:0 24px}}
        @media (min-width:1024px){.container,.nav-inner{width:85%;padding:0 40px}}

        .section-title{font-size:2.4rem;font-weight:700;color:var(--title);text-align:center;margin-bottom:0.5rem}
        .section-sub{text-align:center;color:var(--muted);font-size:1.1rem;margin-bottom:2.5rem}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:0.6rem;padding:0.85rem 2.2rem;border-radius:var(--radius);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition);background:var(--bg);color:var(--title);box-shadow:0 2px 8px rgba(0,0,0,0.04)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);background:var(--brand-dark)}
        .btn-outline{background:transparent;color:var(--brand);border:2px solid var(--brand)}
        .btn-outline:hover{transform:translateY(-2px);background:var(--brand);color:#fff}
        .btn-sm{padding:0.5rem 1.4rem;font-size:0.9rem;border-radius:var(--radius-sm)}

        /* ===== 导航 ===== */
        .navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,85,204,0.06);padding:0.6rem 0;transition:box-shadow var(--transition)}
        .navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.06)}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap}
        .nav-logo{flex-shrink:0}
        .nav-logo img{display:block;height:32px;width:auto}
        .nav-links{display:flex;align-items:center;gap:1.2rem;list-style:none;font-weight:500;flex-shrink:0}
        .nav-links a{font-size:0.9rem;color:var(--body);position:relative;padding:0.25rem 0;white-space:nowrap}
        .nav-links a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width var(--transition)}
        .nav-links a:hover::after{width:100%}
        .nav-links a:hover{color:var(--brand)}
        .nav-links .highlight a{color:var(--brand);font-weight:700}
        .nav-links .highlight a::after{width:100%}
        .nav-download-btn{flex-shrink:0;margin-left:0.2rem}
        .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:transparent;border:none;flex-shrink:0}
        .hamburger span{display:block;width:26px;height:3px;background:var(--title);border-radius:4px;transition:all var(--transition)}
        .hamburger.active span:nth-child(1){transform:rotate(45deg)translate(5px,5px)}
        .hamburger.active span:nth-child(2){opacity:0}
        .hamburger.active span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}
        @media (max-width:992px){.nav-links{gap:0.8rem}.nav-links a{font-size:0.82rem}}
        @media (max-width:768px){.nav-inner{flex-wrap:wrap}.nav-links{display:none;flex-direction:column;width:100%;padding:0.8rem 0 0.4rem;gap:0.2rem;border-top:1px solid rgba(0,85,204,0.06);margin-top:0.6rem;flex-shrink:0}.nav-links.open{display:flex}.nav-links a{font-size:0.95rem;padding:0.4rem 0;white-space:normal}.hamburger{display:flex}.nav-download-btn{display:none}}

        /* ===== 页面标题 ===== */
        .page-header{padding:2rem 0 1rem;background:var(--bg-alt);border-bottom:1px solid rgba(0,85,204,0.04)}
        .page-header h1{font-size:2.6rem;font-weight:800;color:var(--title);text-align:center;margin-bottom:0.2rem;letter-spacing:-0.02em}
        .page-header h1 span{color:var(--brand)}
        .page-header .sub{text-align:center;color:var(--muted);font-size:0.95rem;max-width:600px;margin:0 auto}
        .page-header .last-updated{text-align:center;color:var(--muted);font-size:0.8rem;margin-top:0.3rem}

        /* ===== 隐私政策正文 ===== */
        .privacy-content{padding:2.5rem 0 4rem;background:var(--bg)}
        .privacy-content .content-wrap{max-width:820px;margin:0 auto}
        .privacy-content h2{font-size:1.5rem;font-weight:700;color:var(--title);margin:2rem 0 0.6rem;padding-top:0.5rem;border-top:1px solid rgba(0,85,204,0.06)}
        .privacy-content h2:first-of-type{margin-top:0;border-top:none;padding-top:0}
        .privacy-content h3{font-size:1.1rem;font-weight:600;color:var(--title);margin:1.2rem 0 0.3rem}
        .privacy-content p{font-size:0.92rem;color:var(--body);line-height:1.8;margin-bottom:0.8rem}
        .privacy-content ul{list-style:none;padding:0;margin:0.4rem 0 0.8rem}
        .privacy-content ul li{font-size:0.9rem;color:var(--body);line-height:1.7;padding:0.2rem 0;position:relative;padding-left:1.2rem}
        .privacy-content ul li::before{content:'•';position:absolute;left:0;color:var(--brand);font-weight:700}
        .privacy-content .highlight-box{background:var(--brand-light);border-radius:var(--radius-sm);padding:1.2rem 1.5rem;margin:0.8rem 0 1.2rem;border-left:4px solid var(--brand)}
        .privacy-content .highlight-box strong{color:var(--brand)}
        .privacy-content .table-wrap{overflow-x:auto;margin:0.8rem 0 1.2rem}
        .privacy-content table{width:100%;border-collapse:collapse;font-size:0.88rem;min-width:480px}
        .privacy-content table th{background:var(--title);color:#fff;padding:0.6rem 1rem;text-align:left;font-weight:600}
        .privacy-content table td{padding:0.5rem 1rem;border-bottom:1px solid rgba(0,85,204,0.06)}
        .privacy-content table tr:nth-child(even){background:var(--bg-alt)}
        .privacy-content .back-top{display:inline-flex;align-items:center;gap:0.4rem;font-size:0.85rem;color:var(--brand);font-weight:500;margin-top:0.5rem;cursor:pointer;transition:color var(--transition)}
        .privacy-content .back-top:hover{color:var(--brand-dark);text-decoration:underline}
        @media (max-width:600px){.privacy-content .content-wrap{padding:0 0.4rem}.privacy-content h2{font-size:1.25rem}.privacy-content .highlight-box{padding:0.8rem 1rem}}

        /* ===== 底部 ===== */
        .footer{padding:2.8rem 0 2rem;background:var(--title);color:rgba(255,255,255,0.7);border-top:1px solid rgba(255,255,255,0.06)}
        .footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}
        .footer-left{display:flex;flex-wrap:wrap;align-items:center;gap:1.6rem}
        .footer-links{display:flex;flex-wrap:wrap;gap:1.6rem}
        .footer-links a{color:rgba(255,255,255,0.7);font-size:0.9rem;transition:color var(--transition)}
        .footer-links a:hover{color:#fff}
        .footer-links a.highlight{color:#fff;font-weight:600}
        .footer-social{display:flex;gap:1rem}
        .footer-social a{color:rgba(255,255,255,0.5);font-size:1.1rem;transition:color var(--transition)}
        .footer-social a:hover{color:#fff}
        .footer-copy{font-size:0.85rem;color:rgba(255,255,255,0.5)}
        .footer-copy .icp{display:block;margin-top:0.2rem;font-size:0.75rem}
        @media (max-width:768px){.footer .container{flex-direction:column;text-align:center}.footer-left{flex-direction:column;gap:0.8rem}.footer-links{justify-content:center}.footer-social{justify-content:center}}
        @media (max-width:480px){.footer-links{gap:1rem;justify-content:center}}

        ::-webkit-scrollbar{width:8px}
        ::-webkit-scrollbar-track{background:var(--bg-alt)}
        ::-webkit-scrollbar-thumb{background:var(--brand);border-radius:40px}

/* ===== tech-architecture.html ===== */
/* ===== 全局重置 ===== */
        *{margin:0;padding:0;box-sizing:border-box}
        :root{--brand:#0055cc;--brand-dark:#0044a8;--brand-light:#e8f0fe;--title:#0c2137;--body:#3a5f83;--muted:#526f8a;--bg:#ffffff;--bg-alt:#f8fcff;--radius:40px;--radius-sm:24px;--radius-xs:16px;--shadow:0 8px 28px rgba(0,85,204,0.15);--shadow-hover:0 12px 40px rgba(0,85,204,0.25);--transition:0.25s ease}
        html{scroll-behavior:smooth}
        body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--body);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
        a{text-decoration:none;color:inherit;transition:color var(--transition)}
        a:hover{color:var(--brand)}
        img{display:block;max-width:100%;height:auto}

        /* ===== 容器统一 ===== */
        .container,.nav-inner{width:92%;max-width:1280px;margin:0 auto;padding:0 16px;box-sizing:border-box}
        @media (min-width:768px){.container,.nav-inner{width:90%;padding:0 24px}}
        @media (min-width:1024px){.container,.nav-inner{width:85%;padding:0 40px}}

        .section-title{font-size:2.4rem;font-weight:700;color:var(--title);text-align:center;margin-bottom:0.5rem}
        .section-sub{text-align:center;color:var(--muted);font-size:1.1rem;margin-bottom:2.5rem}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:0.6rem;padding:0.85rem 2.2rem;border-radius:var(--radius);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition);background:var(--bg);color:var(--title);box-shadow:0 2px 8px rgba(0,0,0,0.04)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);background:var(--brand-dark)}
        .btn-outline{background:transparent;color:var(--brand);border:2px solid var(--brand)}
        .btn-outline:hover{transform:translateY(-2px);background:var(--brand);color:#fff}
        .btn-sm{padding:0.5rem 1.4rem;font-size:0.9rem;border-radius:var(--radius-sm)}

        /* ===== 导航 ===== */
        .navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,85,204,0.06);padding:0.6rem 0;transition:box-shadow var(--transition)}
        .navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.06)}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap}
        .nav-logo{flex-shrink:0}
        .nav-logo img{display:block;height:32px;width:auto}
        .nav-links{display:flex;align-items:center;gap:1.2rem;list-style:none;font-weight:500;flex-shrink:0}
        .nav-links a{font-size:0.9rem;color:var(--body);position:relative;padding:0.25rem 0;white-space:nowrap}
        .nav-links a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width var(--transition)}
        .nav-links a:hover::after{width:100%}
        .nav-links a:hover{color:var(--brand)}
        .nav-links .highlight a{color:var(--brand);font-weight:700}
        .nav-links .highlight a::after{width:100%}
        .nav-download-btn{flex-shrink:0;margin-left:0.2rem}
        .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:transparent;border:none;flex-shrink:0}
        .hamburger span{display:block;width:26px;height:3px;background:var(--title);border-radius:4px;transition:all var(--transition)}
        .hamburger.active span:nth-child(1){transform:rotate(45deg)translate(5px,5px)}
        .hamburger.active span:nth-child(2){opacity:0}
        .hamburger.active span:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}
        @media (max-width:992px){.nav-links{gap:0.8rem}.nav-links a{font-size:0.82rem}}
        @media (max-width:768px){.nav-inner{flex-wrap:wrap}.nav-links{display:none;flex-direction:column;width:100%;padding:0.8rem 0 0.4rem;gap:0.2rem;border-top:1px solid rgba(0,85,204,0.06);margin-top:0.6rem;flex-shrink:0}.nav-links.open{display:flex}.nav-links a{font-size:0.95rem;padding:0.4rem 0;white-space:normal}.hamburger{display:flex}.nav-download-btn{display:none}}

        /* ===== 页面标题 ===== */
        .page-header{padding:2.5rem 0 1.5rem;background:var(--bg-alt);border-bottom:1px solid rgba(0,85,204,0.04)}
        .page-header h1{font-size:2.4rem;font-weight:800;color:var(--title);text-align:center;margin-bottom:0.2rem;letter-spacing:-0.02em}
        .page-header h1 span{color:var(--brand)}
        .page-header .sub{text-align:center;color:var(--muted);font-size:1rem;max-width:650px;margin:0 auto}
        .page-header .version-badge{display:inline-block;background:var(--brand-light);color:var(--brand);font-weight:600;font-size:0.75rem;padding:0.1rem 1rem;border-radius:40px;margin-top:0.3rem}

        /* ===== 合规声明横幅 ===== */
        .compliance-banner{background:#fef2f2;padding:0.8rem 1.2rem;border-radius:var(--radius-xs);border-left:4px solid #dc2626;margin-bottom:1.5rem}
        .compliance-banner p{font-size:0.88rem;color:#991b1b;line-height:1.6;margin:0}
        .compliance-banner strong{color:#7f1d1d}

        /* ===== 白皮书正文 ===== */
        .whitepaper{padding:2rem 0 4rem;background:var(--bg)}
        .whitepaper .content-wrap{max-width:860px;margin:0 auto}
        .whitepaper h2{font-size:1.6rem;font-weight:700;color:var(--title);margin:2.2rem 0 0.8rem;padding-top:0.5rem;border-top:1px solid rgba(0,85,204,0.06)}
        .whitepaper h2:first-of-type{margin-top:0;border-top:none;padding-top:0}
        .whitepaper h3{font-size:1.15rem;font-weight:700;color:var(--title);margin:1.5rem 0 0.4rem}
        .whitepaper h4{font-size:1rem;font-weight:600;color:var(--title);margin:1rem 0 0.3rem}
        .whitepaper p{font-size:0.95rem;color:var(--body);line-height:1.9;margin-bottom:0.8rem}
        .whitepaper ul,.whitepaper ol{padding-left:1.5rem;margin-bottom:0.8rem}
        .whitepaper ul li,.whitepaper ol li{font-size:0.93rem;color:var(--body);line-height:1.8;margin-bottom:0.2rem}
        .whitepaper ul ul{margin-top:0.2rem;margin-bottom:0.2rem}
        .whitepaper .highlight-box{background:var(--bg-alt);border-left:4px solid var(--brand);padding:1rem 1.5rem;border-radius:var(--radius-xs);margin:1rem 0}
        .whitepaper .highlight-box strong{color:var(--title)}
        .whitepaper .table-wrap{overflow-x:auto;margin:0.8rem 0 1.2rem}
        .whitepaper table{width:100%;border-collapse:collapse;font-size:0.88rem;min-width:500px}
        .whitepaper table th{background:var(--title);color:#fff;padding:0.6rem 1rem;text-align:left;font-weight:600}
        .whitepaper table td{padding:0.5rem 1rem;border-bottom:1px solid rgba(0,85,204,0.06)}
        .whitepaper table tr:nth-child(even){background:var(--bg-alt)}
        .whitepaper .badge{display:inline-block;font-size:0.7rem;font-weight:600;color:var(--brand);background:var(--brand-light);padding:0.05rem 0.6rem;border-radius:40px;margin-right:0.2rem}
        .whitepaper .badge.green{background:#e6f7e6;color:#16a34a}
        .whitepaper .badge.red{background:#fde8e8;color:#dc2626}
        .whitepaper .pill-grid{display:grid;grid-template-columns:1fr 1fr;gap:0.6rem;margin:0.6rem 0 1rem}
        .whitepaper .pill{background:var(--bg-alt);border-radius:var(--radius-xs);padding:0.6rem 1rem;border:1px solid rgba(0,85,204,0.04)}
        .whitepaper .pill strong{color:var(--title)}
        .whitepaper .pill .pill-label{font-size:0.75rem;color:var(--muted);display:block;margin-top:0.1rem}
        .whitepaper .data-note{background:var(--bg-alt);padding:0.8rem 1.2rem;border-radius:var(--radius-xs);border-left:3px solid var(--brand);margin:1rem 0 0.4rem;font-size:0.92rem;color:var(--body);line-height:1.8}
        .whitepaper .data-note strong{color:var(--title)}
        .whitepaper .data-note .source-small{font-size:0.8rem;color:var(--muted);display:block;margin-top:0.1rem}
        @media (max-width:600px){.whitepaper h2{font-size:1.3rem}.whitepaper .pill-grid{grid-template-columns:1fr}.whitepaper table{font-size:0.78rem;min-width:400px}.whitepaper table th,.whitepaper table td{padding:0.3rem 0.6rem}}

        /* ===== 返回顶部 ===== */
        .back-top{display:inline-flex;align-items:center;gap:0.4rem;font-size:0.85rem;color:var(--brand);font-weight:500;margin-top:2rem;cursor:pointer;transition:color var(--transition)}
        .back-top:hover{color:var(--brand-dark);text-decoration:underline}

        /* ===== 底部 ===== */
        .footer{padding:2.8rem 0 2rem;background:var(--title);color:rgba(255,255,255,0.7);border-top:1px solid rgba(255,255,255,0.06)}
        .footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}
        .footer-left{display:flex;flex-wrap:wrap;align-items:center;gap:1.6rem}
        .footer-links{display:flex;flex-wrap:wrap;gap:1.6rem}
        .footer-links a{color:rgba(255,255,255,0.7);font-size:0.9rem;transition:color var(--transition)}
        .footer-links a:hover{color:#fff}
        .footer-social{display:flex;gap:1rem}
        .footer-social a{color:rgba(255,255,255,0.5);font-size:1.1rem;transition:color var(--transition)}
        .footer-social a:hover{color:#fff}
        .footer-copy{font-size:0.85rem;color:rgba(255,255,255,0.5)}
        .footer-copy .icp{display:block;margin-top:0.2rem;font-size:0.75rem}
        @media (max-width:768px){.footer .container{flex-direction:column;text-align:center}.footer-left{flex-direction:column;gap:0.8rem}.footer-links{justify-content:center}.footer-social{justify-content:center}}
        @media (max-width:480px){.footer-links{gap:1rem;justify-content:center}}

        ::-webkit-scrollbar{width:8px}
        ::-webkit-scrollbar-track{background:var(--bg-alt)}
        ::-webkit-scrollbar-thumb{background:var(--brand);border-radius:40px}

/* ===== article/account-abnormal.html ===== */
/* ===== RESET & VARIABLES ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --brand: #0055cc;
            --brand-dark: #0044a8;
            --brand-light: #e8f0fe;
            --title: #0c2137;
            --body: #3a5f83;
            --muted: #526f8a;
            --bg-white: #ffffff;
            --bg-alt: #f8fcff;
            --radius: 40px;
            --radius-sm: 24px;
            --radius-xs: 16px;
            --shadow: 0 8px 28px rgba(0, 85, 204, 0.15);
            --shadow-hover: 0 12px 40px rgba(0, 85, 204, 0.25);
            --transition: 0.25s ease;
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            color: var(--body);
            background: var(--bg-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--brand);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== UTILITY ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.6rem;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            background: var(--bg-white);
            color: var(--title);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: var(--shadow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            background: var(--brand-dark);
        }

        .btn-outline {
            background: transparent;
            color: var(--brand);
            border: 2px solid var(--brand);
            box-shadow: none;
        }

        .btn-outline:hover {
            transform: translateY(-2px);
            background: var(--brand);
            color: #fff;
            box-shadow: var(--shadow);
        }

        .btn-sm {
            padding: 0.5rem 1.4rem;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
        }

        /* ============================================================
                   NAVIGATION
                   ============================================================ */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 85, 204, 0.06);
            padding: 0.6rem 0;
            transition: box-shadow var(--transition);
        }

        .navbar.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--title);
            letter-spacing: -0.5px;
        }

        .nav-logo i {
            color: var(--brand);
            font-size: 1.6rem;
        }

        .nav-logo span {
            color: var(--brand);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            list-style: none;
            font-weight: 500;
        }

        .nav-links a {
            font-size: 0.95rem;
            color: var(--body);
            position: relative;
            padding: 0.25rem 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--brand);
            transition: width var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a:hover {
            color: var(--brand);
        }

        .nav-links .highlight a {
            color: var(--brand);
            font-weight: 700;
        }

        .nav-links .highlight a::after {
            width: 100%;
            background: var(--brand);
        }

        .nav-download-btn {
            margin-left: 0.4rem;
        }

        .nav-download-btn .btn {
            padding: 0.5rem 1.6rem;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 3px;
            background: var(--title);
            border-radius: 4px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ============================================================
                   ARTICLE DETAIL
                   ============================================================ */
        .article-detail {
            padding: 3rem 0 4rem;
            background: var(--bg-white);
        }

        .article-detail .breadcrumb {
            font-size: 0.85rem;
            color: var(--muted);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .article-detail .breadcrumb a {
            color: var(--brand);
            transition: color var(--transition);
        }

        .article-detail .breadcrumb a:hover {
            color: var(--brand-dark);
            text-decoration: underline;
        }

        .article-detail .breadcrumb .separator {
            color: var(--muted);
        }

        .article-detail .article-header {
            margin-bottom: 2rem;
        }

        .article-detail .article-header .tag {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand);
            font-weight: 600;
            font-size: 0.75rem;
            padding: 0.15rem 1rem;
            border-radius: 40px;
            margin-bottom: 0.6rem;
        }

        .article-detail .article-header h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--title);
            line-height: 1.3;
            margin-bottom: 0.6rem;
        }

        .article-detail .article-header .meta {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            font-size: 0.9rem;
            color: var(--muted);
            flex-wrap: wrap;
        }

        .article-detail .article-header .meta i {
            margin-right: 0.2rem;
        }

        .article-detail .article-header .meta .divider {
            color: #dce4ed;
        }

        .article-detail .featured-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 2rem;
            background: var(--brand-light);
            aspect-ratio: 16/7;
        }

        .article-detail .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-detail .article-content {
            width: 100%;
        }

        .article-detail .article-content .content-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--body);
        }

        .article-detail .article-content .content-body p {
            margin-bottom: 1.2rem;
        }

        .article-detail .article-content .content-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--title);
            margin: 2rem 0 0.8rem;
            padding-bottom: 0.3rem;
            border-bottom: 2px solid rgba(0, 85, 204, 0.06);
        }

        .article-detail .article-content .content-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--title);
            margin: 1.5rem 0 0.6rem;
        }

        .article-detail .article-content .content-body ul,
        .article-detail .article-content .content-body ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }

        .article-detail .article-content .content-body ul li,
        .article-detail .article-content .content-body ol li {
            margin-bottom: 0.4rem;
        }

        .article-detail .article-content .content-body .highlight-box {
            background: var(--bg-alt);
            border-left: 4px solid var(--brand);
            padding: 1.2rem 1.6rem;
            border-radius: var(--radius-xs);
            margin: 1.5rem 0;
        }

        .article-detail .article-content .content-body .highlight-box strong {
            color: var(--title);
        }

        .article-detail .article-content .content-body .internal-link {
            color: var(--brand);
            font-weight: 600;
            border-bottom: 1px solid rgba(0, 85, 204, 0.2);
            transition: all var(--transition);
        }

        .article-detail .article-content .content-body .internal-link:hover {
            color: var(--brand-dark);
            border-bottom-color: var(--brand);
        }

        .article-detail .article-content .share-section {
            margin-top: 2.5rem;
            padding-top: 1.8rem;
            border-top: 1px solid rgba(0, 85, 204, 0.06);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .article-detail .article-content .share-section .share-label {
            font-size: 0.9rem;
            color: var(--muted);
        }

        .article-detail .article-content .share-section .share-buttons {
            display: flex;
            gap: 0.6rem;
        }

        .article-detail .article-content .share-section .share-buttons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-alt);
            color: var(--muted);
            transition: all var(--transition);
            font-size: 1rem;
        }

        .article-detail .article-content .share-section .share-buttons a:hover {
            background: var(--brand);
            color: #fff;
            transform: translateY(-2px);
        }

        .article-detail .article-content .back-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--brand);
            font-weight: 500;
            margin-top: 1.5rem;
            transition: color var(--transition);
        }

        .article-detail .article-content .back-link:hover {
            color: var(--brand-dark);
            text-decoration: underline;
        }

        /* ============================================================
                   COMPLIANCE
                   ============================================================ */
        .compliance {
            padding: 1.5rem 0;
            background: var(--bg-white);
            border-top: 1px solid rgba(0, 85, 204, 0.06);
            text-align: center;
            font-size: 0.9rem;
            color: var(--muted);
        }

        .compliance i {
            color: var(--brand);
            margin-right: 0.4rem;
        }

        /* ============================================================
                   FOOTER
                   ============================================================ */
        .footer {
            padding: 2.8rem 0 2rem;
            background: var(--title);
            color: rgba(255, 255, 255, 0.7);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.6rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-copy {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-copy .icp {
            display: block;
            margin-top: 0.2rem;
            font-size: 0.75rem;
        }

        /* ============================================================
                   RESPONSIVE
                   ============================================================ */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1.2rem 0 0.8rem;
                gap: 0.6rem;
                border-top: 1px solid rgba(0, 85, 204, 0.06);
                margin-top: 0.6rem;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 0.4rem 0;
                font-size: 1rem;
            }

            .hamburger {
                display: flex;
            }

            .nav-download-btn {
                display: none;
            }

            .article-detail .article-header h1 {
                font-size: 1.8rem;
            }

            .article-detail .article-content .content-body {
                font-size: 0.98rem;
            }

            .article-detail .featured-image {
                aspect-ratio: 16/9;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }

            .footer .container {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

            .article-detail .article-header h1 {
                font-size: 1.4rem;
            }

            .article-detail .article-header .meta {
                font-size: 0.8rem;
                gap: 0.6rem;
            }

            .article-detail .article-content .content-body {
                font-size: 0.92rem;
            }

            .article-detail .article-content .content-body h2 {
                font-size: 1.2rem;
            }

            .article-detail .article-content .content-body h3 {
                font-size: 1.05rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .article-detail .article-content .share-section {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-links {
                gap: 1rem;
                justify-content: center;
            }
        }

        /* ============================================================
                   SCROLLBAR
                   ============================================================ */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-alt);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--brand);
            border-radius: 40px;
        }


/* ===== WordPress base / theme additions ===== */
body.admin-bar .navbar{top:32px}
@media (max-width:782px){body.admin-bar .navbar{top:46px}}
img{max-width:100%;height:auto}
.wp-caption{max-width:100%}
.wp-caption-text,.wp-block-image figcaption{font-size:.8rem;color:var(--muted);text-align:center;margin-top:.4rem}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
.alignleft{float:left;margin:0 1.5rem 1rem 0}
.alignright{float:right;margin:0 0 1rem 1.5rem}
.aligncenter{display:block;margin:1rem auto}
.entry-content{font-size:1.02rem;line-height:1.9;color:var(--body)}
.entry-content p{margin-bottom:1.1rem}
.entry-content h2{font-size:1.5rem;color:var(--title);margin:2rem 0 .8rem;padding-bottom:.3rem;border-bottom:2px solid rgba(0,85,204,.06)}
.entry-content h3{font-size:1.2rem;color:var(--title);margin:1.5rem 0 .6rem}
.entry-content ul,.entry-content ol{padding-left:1.4rem;margin-bottom:1.2rem}
.entry-content blockquote{border-left:4px solid var(--brand);background:var(--brand-light);padding:1rem 1.2rem;border-radius:0 10px 10px 0;margin:1.2rem 0}
.entry-content a{color:var(--brand);text-decoration:underline}
.entry-content img{border-radius:12px}
.entry-content table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.9rem}
.entry-content th,.entry-content td{border:1px solid #e3ecf5;padding:.6rem .8rem;text-align:left}
.entry-content th{background:var(--bg-alt);color:var(--title)}
.post-thumbnail img{width:100%;height:auto;border-radius:12px}
.page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 .6rem;margin:0 .2rem;border-radius:10px;border:1px solid rgba(0,85,204,.15);color:var(--body);text-decoration:none;font-weight:600}
.page-numbers.current,.page-numbers:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.pagination-wrap{text-align:center;margin-top:2.2rem}
.nav-links .menu-item>a,.footer-links .menu-item>a{display:inline-block}
.nav-links .current-menu-item>a{color:var(--brand);font-weight:700}
.nav-links .current-menu-item>a::after{width:100%}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{display:inline-block}
.nav-links li{list-style:none}
.articles-grid .article-card .thumb img{width:100%;height:100%;object-fit:cover}
.article-card .body h3{margin:0}
.category-nav a{display:inline-block}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.related-card{background:var(--bg-alt);border:1px solid rgba(0,85,204,.06);border-radius:var(--radius-sm);padding:1.1rem 1.2rem}
.related-card h3{font-size:.95rem;line-height:1.5;margin:0 0 .4rem}
.related-card h3 a{color:var(--title)}
.related-card .date{font-size:.75rem;color:var(--muted)}
@media(max-width:768px){.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.related-grid{grid-template-columns:1fr}}
.site-main{padding-bottom:2rem}
.article-detail .article-content{max-width:1100px;margin:0 auto}
.single-featured{margin:1.2rem 0 2rem;border-radius:var(--radius-sm);overflow:hidden;background:var(--brand-light)}
.single-featured img{width:100%;height:auto;display:block}
.article-meta{display:flex;flex-wrap:wrap;gap:.8rem;font-size:.85rem;color:var(--muted);margin:.4rem 0 0}
.article-meta a{color:var(--brand)}
.breadcrumb{font-size:.85rem;color:var(--muted);margin:1.2rem 0 .8rem;display:flex;gap:.5rem;flex-wrap:wrap}
.breadcrumb a{color:var(--brand)}
.entry-taxonomies{margin:1.4rem 0;font-size:.85rem;color:var(--muted)}
.entry-taxonomies a{color:var(--brand);margin-right:.4rem}
.comment-respond,.comments-area{margin-top:2rem}
.post-password-form input[type=password]{padding:.5rem;border:1px solid var(--line);border-radius:8px}
input,textarea,select{font:inherit;max-width:100%}
button,input[type=submit]{font:inherit}
.error-404{padding:5rem 0;text-align:center}
.error-404 h1{font-size:4rem;color:var(--brand);margin-bottom:.5rem}
.error-404 p{color:var(--muted);margin-bottom:1.5rem}


/* ===== Theme archive / category nav / related ===== */
.category-nav-wrap{padding:.9rem 0;background:var(--bg-alt);border-bottom:1px solid rgba(0,85,204,.04)}
.category-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem;padding:.2rem 0}
.category-nav a{font-size:.82rem;color:var(--body);background:var(--bg);padding:.35rem 1.2rem;border-radius:40px;border:1px solid rgba(0,85,204,.1);text-decoration:none;transition:all .25s ease}
.category-nav a:hover,.category-nav a.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.related-section{padding:2.5rem 0 3rem;background:var(--bg-alt);border-top:1px solid rgba(0,85,204,.06)}
.related-section .section-title{font-size:1.8rem;margin-bottom:.6rem}
.related-card .date{margin-top:.5rem}
.no-posts{grid-column:1/-1;text-align:center;color:var(--muted);padding:2rem 0}