/* 号码标记免费查询 - 站点样式 v2(大字体/无边框色块/矢量图标/平台徽章) */
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#334155;background:#f5f7fb;line-height:1.8;font-size:16px}
a{color:#2563eb}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* 标签带下方横幅banner: 限容器宽度居中 */
.banner-section{padding:18px 0 4px}
.banner-section a{display:block;border-radius:16px;overflow:hidden;box-shadow:0 6px 20px rgba(15,23,42,.12)}
.banner-section img{display:block;width:100%;height:auto}

/* 悬浮二维码: 页面右侧竖向居中, 放大2倍 */
.qr-float{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:90;background:#fff;border-radius:16px;box-shadow:0 8px 28px rgba(15,23,42,.22);padding:12px 12px 10px;text-align:center;width:172px}
.qr-title{font-size:14px;font-weight:700;color:#0f172a;margin-bottom:8px;line-height:1.4}
.qr-float img{display:block;width:152px;height:152px;border-radius:10px;margin:0 auto}

/* 顶部导航 */
.site-header{background:#fff;box-shadow:0 1px 0 rgba(15,23,42,.07);position:sticky;top:0;z-index:50}
.site-header .container{position:relative;display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px;flex-wrap:wrap}
.brand{font-weight:800;font-size:19px;color:#2563eb;text-decoration:none;white-space:nowrap}
.nav-toggle-input{display:none}
.nav-toggle-btn{display:none;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;color:#0f172a;cursor:pointer}
.nav-toggle-btn:hover{background:#eff6ff}
.site-nav{display:flex;gap:6px;overflow-x:auto}
.site-nav a{color:#334155;text-decoration:none;font-size:15px;padding:7px 14px;border-radius:999px;white-space:nowrap}
.site-nav a:hover{color:#2563eb;background:#eff6ff}
.site-nav a.active{color:#2563eb;background:#eff6ff;font-weight:600}

/* 首屏 */
.hero{background:linear-gradient(135deg,#1d4ed8,#3b82f6);color:#fff;padding:56px 0 50px;text-align:center}
.hero h1{font-size:32px;line-height:1.4;margin-bottom:16px;font-weight:800}
.hero-sub{font-size:17px;color:#e0ecff;max-width:820px;margin:0 auto 18px}
.hero-sub .hl{color:#ffd34d}
.hero-badges{font-size:14px;color:#fff;margin-bottom:28px}
.hero-badges span{display:inline-block;background:rgba(255,255,255,.16);border-radius:999px;padding:5px 14px;margin:4px}
.cta-btn{display:inline-block;background:#ff7a1a;color:#fff;font-size:19px;font-weight:800;padding:15px 54px;border-radius:999px;text-decoration:none;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.cta-btn:hover{background:#f26800}
.hero-note{font-size:13px;color:#cfe0ff;margin-top:12px}

/* 标记标签色带 */
.mark-band{background:#fff;padding:30px 0 26px}
.mark-line{text-align:center;color:#475569;font-size:15px;margin-bottom:16px}
.mark-line strong{color:#dc2626}
.mark-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.mark-chip{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:8px 16px;font-size:15px;font-weight:700}
.mark-chip svg{flex:none}

/* 内容区块: 无边框色块 */
main{padding:36px 0 10px}
.section{margin-bottom:34px}
.block{background:#fff;border-radius:18px;padding:28px}
.kicker{display:inline-block;font-size:13px;font-weight:700;color:#2563eb;background:#dbeafe;border-radius:6px;padding:3px 10px;margin-bottom:10px}
.section-title{font-size:23px;color:#0f172a;font-weight:800;margin-bottom:6px;line-height:1.4}
.section-sub{color:#64748b;font-size:15px;margin-bottom:20px}
.hl{color:#dc2626;font-weight:700}
.article{display:block}
.block.article{padding:22px 24px}
.article p{margin-bottom:14px;color:#334155;font-size:15.5px;line-height:1.85}
.article p:last-child{margin-bottom:0}

/* 详细了解模块: 卡片堆叠 + 左侧色条 + 序号徽章, 答案直接展示 */
.article-section{background:#f8fafc;border-left:5px solid #2563eb;border-radius:0 14px 14px 0;padding:22px 26px 18px;margin-top:14px;transition:background .18s ease,border-color .18s ease}
.article-section:first-of-type{margin-top:16px}
.article-section:hover{background:#eef4ff}
.article-section:nth-of-type(4n+2){border-left-color:#7c3aed}
.article-section:nth-of-type(4n+2):hover{background:#f3eeff}
.article-section:nth-of-type(4n+3){border-left-color:#059669}
.article-section:nth-of-type(4n+3):hover{background:#ecfdf5}
.article-section:nth-of-type(4n){border-left-color:#ea580c}
.article-section:nth-of-type(4n):hover{background:#fff7ed}
.article-q{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.article-num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:#2563eb;color:#fff;font-weight:800;font-size:15px;flex:none;box-shadow:0 2px 8px rgba(37,99,235,.25)}
.article-section:nth-of-type(4n+2) .article-num{background:#7c3aed;box-shadow:0 2px 8px rgba(124,58,237,.25)}
.article-section:nth-of-type(4n+3) .article-num{background:#059669;box-shadow:0 2px 8px rgba(5,150,105,.25)}
.article-section:nth-of-type(4n) .article-num{background:#ea580c;box-shadow:0 2px 8px rgba(234,88,12,.25)}
.article-section .section-title{margin:0;font-size:19px;line-height:1.4}
.article-section p{margin-bottom:12px;color:#475569;font-size:15.5px;line-height:1.85}
.article-section p:last-child{margin-bottom:0}
.article-section p .hl{color:#dc2626}

/* 平台LOGO图框: 圆角方形图框显示图标 */
.plat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.plat-item{background:#f8fafc;border-radius:14px;padding:18px 14px;display:flex;align-items:center;gap:12px}
.plat-logo{width:52px;height:52px;border-radius:12px;object-fit:contain;flex:none;background:#fff;box-shadow:inset 0 0 0 1px rgba(15,23,42,.08);padding:4px}
.plat-info{min-width:0}
.plat-info strong{display:block;font-size:15.5px;color:#0f172a}
.plat-info span{font-size:12.5px;color:#64748b;line-height:1.5;display:block;margin-top:2px}

/* 痛点卡片 */
.pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-top:20px}
.pain-item{border-radius:14px;padding:20px}
.pain-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:12px}
.pain-item h3{font-size:16.5px;color:#0f172a;margin-bottom:6px}
.pain-item p{font-size:14px;color:#475569;line-height:1.7}

/* 步骤卡片 */
.step-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.step-item{background:#f0f7ff;border-radius:14px;padding:22px;position:relative}
.step-num{position:absolute;top:14px;right:18px;font-size:30px;font-weight:800;color:#bfdbfe;line-height:1}
.step-icon{width:42px;height:42px;border-radius:12px;background:#2563eb;display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:12px}
.step-item strong{display:block;font-size:16.5px;color:#0f172a;margin-bottom:4px}
.step-item span{font-size:14px;color:#475569;display:block}

/* CTA提示块 */
.cta-box{background:linear-gradient(135deg,#fff7ed,#ffedd5);border-radius:18px;text-align:center;padding:28px 20px;margin-top:24px}
.cta-box p{color:#9a3412;font-size:16px;font-weight:600;margin-bottom:16px}

/* FAQ */
.faq details{background:#f8fafc;border-radius:12px;margin-bottom:10px;padding:0 18px}
.faq summary{cursor:pointer;font-weight:700;padding:15px 0;font-size:16px;color:#0f172a;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;color:#2563eb}
.faq details[open] summary::after{content:"\2013"}
.faq details p{padding:0 0 15px;color:#475569;font-size:15px}

/* 相关阅读 */
.related-box{display:flex;flex-wrap:wrap;gap:8px}
.related-box a{display:inline-block;background:#eff6ff;color:#1d4ed8;border-radius:999px;padding:8px 18px;text-decoration:none;font-size:14px;font-weight:600;margin:3px}
.related-box a:hover{background:#dbeafe}

/* 页脚 */
footer{background:#0f172a;color:#94a3b8;padding:32px 0 104px;margin-top:40px;font-size:14px}
footer .footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:center;margin-bottom:14px}
footer a{color:#cbd5e1;text-decoration:none}
footer a:hover{color:#fff}
footer .copy{text-align:center;color:#64748b;font-size:13px}

/* 移动端悬浮按钮 */
.float-cta{display:none}
@media (max-width:768px){
.hero{padding:40px 0 36px}
.hero h1{font-size:23px}
.hero-sub{font-size:15px}
.cta-btn{font-size:17px;padding:13px 38px}
.mark-chip{font-size:14px;padding:7px 13px}
.plat-grid{grid-template-columns:repeat(2,1fr)}
.block{padding:22px 16px}
.qr-float{right:12px;width:148px;padding:10px 10px 8px}
.qr-float img{width:128px;height:128px}
.nav-toggle-btn{display:flex}
.site-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;box-shadow:0 10px 24px rgba(15,23,42,.14);padding:6px 12px;border-top:1px solid #e2e8f0;z-index:60}
.nav-toggle-input:checked ~ .site-nav{display:flex}
.site-nav a{padding:12px 10px;border-radius:8px;font-size:15px;white-space:normal}
.site-nav a.active{background:#eff6ff}
.qr-float{display:none}
.float-cta{display:block;position:fixed;bottom:0;left:0;right:0;background:#fff;box-shadow:0 -4px 14px rgba(0,0,0,.08);padding:10px 14px;z-index:100}
.float-cta a{display:block;background:#ff7a1a;color:#fff;font-weight:800;text-align:center;padding:12px;border-radius:999px;text-decoration:none;font-size:16px}
}