/* BEIZHI Article Detail Template | Local CSS only */
:root{--bz-navy:#07182f;--bz-navy-2:#0b2d5c;--bz-blue:#1655a5;--bz-blue-soft:#eaf2fb;--bz-red:#e53f4b;--bz-ink:#19334f;--bz-text:#5e7187;--bz-line:#dce6f0;--bz-bg:#f5f8fc;--bz-white:#ffffff;--bz-shadow:0 15px 38px rgba(15,45,79,.08);}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bz-bg);color:var(--bz-ink);font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;}
.bz-container{width:min(1440px,calc(100% - 48px));margin:0 auto;}
.bz-article-hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#06162d 0%,#0a2f61 58%,#14498d 100%);color:#ffffff;}
.bz-article-hero::before{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(164,208,255,.08) 1px,transparent 1px),linear-gradient(rgba(164,208,255,.06) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(90deg,#000 0%,rgba(0,0,0,.15) 90%);content:"";}
.bz-article-hero::after{position:absolute;right:-120px;bottom:-170px;width:560px;height:560px;border:1px solid rgba(189,222,255,.18);border-radius:50%;box-shadow:0 0 0 55px rgba(189,222,255,.045),0 0 0 110px rgba(189,222,255,.02);content:"";}
.bz-article-hero__inner{position:relative;z-index:1;padding:20px 0 70px;}
.bz-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:#aac3df;font-size:10px;line-height:1.5;}
.bz-breadcrumb a:hover{color:#ffffff;}
.bz-breadcrumb b{color:#ffffff;font-weight:700;}
.bz-article-hero__layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.67fr);gap:56px;align-items:center;padding-top:50px;}
.bz-article-hero__copy{max-width:770px;}
.bz-eyebrow{display:inline-flex;align-items:center;gap:9px;color:#a8c8e8;font-size:10px;font-weight:900;letter-spacing:1.45px;text-transform:uppercase;}
.bz-eyebrow::before{width:29px;height:2px;background:var(--bz-red);content:"";}
.bz-article-hero h1{max-width:780px;margin:15px 0 17px;color:#ffffff;font-size:46px;line-height:1.12;letter-spacing:-1.15px;}
.bz-article-hero h1 strong{color:#a9d4ff;font-weight:800;}
.bz-article-lead{max-width:680px;margin:0;color:#d0e2f5;font-size:14px;line-height:1.9;}
.bz-article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:11px 19px;margin-top:24px;color:#b7cde4;font-size:10px;line-height:1.45;}
.bz-article-meta span{display:inline-flex;align-items:center;gap:7px;}
.bz-article-meta span::before{display:inline-grid;place-items:center;width:17px;height:17px;background:rgba(174,214,255,.11);color:#ffffff;font-size:8px;font-weight:900;content:"•";}
.bz-article-meta a{color:#ffffff;font-weight:800;}
.bz-article-meta a:hover{color:#ffd8db;}
.bz-article-hero__cover{position:relative;min-height:300px;padding:15px;background:linear-gradient(145deg,rgba(196,225,255,.18),rgba(255,255,255,.055));border:1px solid rgba(193,225,255,.22);box-shadow:0 18px 36px rgba(0,0,0,.22);}
.bz-article-hero__cover::before{position:absolute;top:-14px;right:-14px;width:64px;height:64px;border-top:2px solid var(--bz-red);border-right:2px solid var(--bz-red);content:"";}
.bz-article-hero__cover img{display:block;width:100%;height:300px;object-fit:cover;background:#0f396c;}
.bz-article-hero__placeholder{display:flex;align-items:flex-end;min-height:300px;background:radial-gradient(circle at 75% 22%,rgba(83,155,233,.4),transparent 19%),linear-gradient(135deg,#0f3b75,#06172f);}
.bz-article-hero__placeholder span{max-width:260px;color:#d7eaff;font-size:25px;font-weight:900;letter-spacing:.65px;line-height:1.13;}
.bz-article-main{padding:66px 0 78px;background:#ffffff;}
.bz-article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:55px;align-items:start;}
.bz-article-content{min-width:0;color:#5b6d82;font-size:16px;line-height:1.9;}
.bz-article-content>:first-child{margin-top:0;}
.bz-article-content p{margin:0 0 22px;}
.bz-article-content h2{position:relative;margin:55px 0 18px;padding-top:17px;color:#173451;font-size:30px;line-height:1.28;letter-spacing:-.45px;}
.bz-article-content h2::before{position:absolute;top:0;left:0;width:44px;height:3px;background:var(--bz-red);content:"";}
.bz-article-content h3{margin:36px 0 14px;color:#214261;font-size:22px;line-height:1.35;letter-spacing:-.22px;}
.bz-article-content h4{margin:28px 0 12px;color:#274763;font-size:17px;line-height:1.4;}
.bz-article-content h5,.bz-article-content h6{margin:24px 0 10px;color:#33516c;font-size:14px;line-height:1.45;}
.bz-article-content a{color:#1057ad;font-weight:800;text-decoration:underline;text-decoration-color:rgba(16,87,173,.3);text-decoration-thickness:1px;text-underline-offset:3px;}
.bz-article-content a:hover{color:var(--bz-red);text-decoration-color:var(--bz-red);}
.bz-article-content strong{color:#264660;font-weight:800;}
.bz-article-content em{color:#3f5d78;}
.bz-article-content ul,.bz-article-content ol{margin:0 0 25px;padding-left:25px;}
.bz-article-content li{margin:9px 0;padding-left:5px;}
.bz-article-content ul li::marker{color:var(--bz-red);font-size:1.08em;}
.bz-article-content ol li::marker{color:#1455a1;font-weight:900;}
.bz-article-content ul ul,.bz-article-content ul ol,.bz-article-content ol ul,.bz-article-content ol ol{margin:8px 0 0;}
.bz-article-content hr{height:1px;margin:42px 0;border:0;background:#dfe8f1;}
.bz-article-content blockquote{position:relative;margin:31px 0;padding:25px 27px 25px 30px;border-left:4px solid var(--bz-red);background:#f4f8fc;color:#36536e;font-size:18px;font-weight:700;line-height:1.7;}
.bz-article-content blockquote p:last-child{margin-bottom:0;}
.bz-article-content figure{margin:31px 0;}
.bz-article-content figure img{display:block;width:100%;border:1px solid #dce7f0;background:#f4f8fc;}
.bz-article-content figcaption{margin-top:9px;color:#7c8da0;font-size:12px;font-style:italic;line-height:1.55;text-align:center;}
.bz-article-content>img{display:block;max-width:100%;margin:31px auto;border:1px solid #dce7f0;background:#f4f8fc;}
.bz-article-content img.alignleft{float:left;max-width:48%;margin:8px 28px 18px 0;}
.bz-article-content img.alignright{float:right;max-width:48%;margin:8px 0 18px 28px;}
.bz-article-content img.aligncenter{display:block;margin:31px auto;}
.bz-article-content pre{max-width:100%;margin:29px 0;padding:20px;overflow:auto;background:#081b34;color:#dcecff;font-family:Consolas,"Courier New",monospace;font-size:13px;line-height:1.7;}
.bz-article-content code{padding:2px 5px;border-radius:2px;background:#ecf3fa;color:#0c509c;font-family:Consolas,"Courier New",monospace;font-size:.88em;}
.bz-article-content pre code{padding:0;background:transparent;color:inherit;font-size:inherit;}
.bz-article-content table{width:100%;margin:30px 0;border-collapse:collapse;background:#ffffff;color:#40566e;font-size:14px;line-height:1.55;}
.bz-article-content thead th{background:#0c386f;color:#ffffff;font-weight:800;}
.bz-article-content th,.bz-article-content td{padding:13px 15px;border:1px solid #dbe5ef;text-align:left;vertical-align:top;}
.bz-article-content tbody tr:nth-child(even){background:#f6f9fc;}
.bz-article-content tbody tr:hover{background:#edf5fd;}
.bz-article-content .table-scroll,.bz-article-content .bz-table-scroll{display:block;max-width:100%;margin:30px 0;overflow-x:auto;border:1px solid #d9e4ef;background:#ffffff;-webkit-overflow-scrolling:touch;}
.bz-article-content .table-scroll table,.bz-article-content .bz-table-scroll table{min-width:640px;margin:0;border:0;}
.bz-article-content table.table-scroll{display:block;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.bz-answer-box{position:relative;margin:0 0 30px;padding:26px 28px 25px;border:1px solid #cfe0f1;background:linear-gradient(135deg,#f6fbff,#eaf4ff);box-shadow:0 10px 24px rgba(25,77,132,.06);}
.bz-answer-box::before{display:inline-block;margin-bottom:9px;color:#1455a1;font-size:10px;font-weight:900;letter-spacing:1.35px;text-transform:uppercase;content:"Quick Answer";}
.bz-answer-box p{margin:0!important;color:#31526f;font-size:17px;line-height:1.75;}
.bz-key-points{margin:30px 0;padding:25px 26px;border-top:3px solid #174f94;background:#f4f8fc;}
.bz-key-points h3{margin:0 0 12px!important;color:#1b426b!important;font-size:18px!important;}
.bz-key-points ul{margin:0!important;}
.bz-article-note{position:relative;margin:30px 0;padding:20px 22px 20px 55px;border:1px solid #dce7f0;background:#fbfdff;color:#526c84;font-size:14px;line-height:1.75;}
.bz-article-note::before{position:absolute;top:21px;left:20px;display:grid;place-items:center;width:22px;height:22px;background:#1655a5;color:#ffffff;font-size:12px;font-weight:900;content:"i";}
.bz-article-note--warning{border-color:#f0d5b7;background:#fffaf4;color:#775b3e;}
.bz-article-note--warning::before{background:#d78232;content:"!";}
.bz-article-note--success{border-color:#cce9db;background:#f4fcf7;color:#356752;}
.bz-article-note--success::before{background:#249965;content:"✓";}
.bz-step-list{display:grid;gap:0;margin:30px 0;padding:0;list-style:none;counter-reset:bz-step;}
.bz-step-list li{position:relative;min-height:70px;margin:0!important;padding:0 0 24px 72px!important;counter-increment:bz-step;}
.bz-step-list li::before{position:absolute;top:0;left:0;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#0f4f99;color:#ffffff;font-size:12px;font-weight:900;content:"0" counter(bz-step);}
.bz-step-list li::after{position:absolute;top:43px;bottom:0;left:20px;width:1px;background:#d4e2f0;content:"";}
.bz-step-list li:last-child{padding-bottom:0!important;}
.bz-step-list li:last-child::after{display:none;}
.bz-step-list strong{display:block;margin-bottom:4px;}
.bz-pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:17px;margin:30px 0;}
.bz-pros-cons>div{padding:23px 24px;border:1px solid #dce7f0;background:#ffffff;}
.bz-pros-cons h3{margin:0 0 11px!important;font-size:17px!important;}
.bz-pros-cons h3::before{display:inline-grid;place-items:center;width:22px;height:22px;margin-right:8px;background:#249965;color:#ffffff;font-size:12px;vertical-align:middle;content:"✓";}
.bz-pros-cons>div:last-child h3::before{background:#d78232;content:"!";}
.bz-pros-cons ul{margin:0!important;}
.bz-article-toc{margin:30px 0;padding:23px 25px;border:1px solid #d8e4ef;background:#f8fbfe;}
.bz-article-toc>strong{display:block;margin-bottom:10px;color:#1c426b;font-size:13px;letter-spacing:.45px;text-transform:uppercase;}
.bz-article-toc ol{margin:0!important;padding-left:22px!important;}
.bz-article-toc li{margin:6px 0!important;}
.bz-article-toc a{text-decoration:none!important;}
.bz-faq-list{display:grid;gap:10px;margin:30px 0;}
.bz-faq-list details{border:1px solid #dce7f0;background:#ffffff;}
.bz-faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:17px 18px;color:#254560;font-size:15px;font-weight:800;line-height:1.45;cursor:pointer;list-style:none;}
.bz-faq-list summary::-webkit-details-marker{display:none;}
.bz-faq-list summary::after{flex:0 0 auto;color:var(--bz-red);font-size:22px;font-weight:400;line-height:1;content:"+";}
.bz-faq-list details[open] summary::after{transform:rotate(45deg);}
.bz-faq-list details>div{padding:0 18px 18px;color:#60758d;font-size:14px;line-height:1.8;}
.bz-faq-list p:last-child{margin-bottom:0;}
.bz-article-cta{position:relative;overflow:hidden;margin:38px 0;padding:31px 32px;background:linear-gradient(122deg,#071a34,#104786);color:#ffffff;}
.bz-article-cta::after{position:absolute;right:-40px;bottom:-90px;width:230px;height:230px;border:1px solid rgba(191,223,255,.27);border-radius:50%;box-shadow:0 0 0 32px rgba(191,223,255,.05);content:"";}
.bz-article-cta>*{position:relative;z-index:1;}
.bz-article-cta h3{margin:0 0 8px!important;color:#ffffff!important;font-size:22px!important;}
.bz-article-cta p{max-width:650px;margin:0!important;color:#cce0f2;}
.bz-article-cta a{display:inline-flex;align-items:center;gap:8px;margin-top:17px;padding:12px 16px;background:var(--bz-red);color:#ffffff!important;font-size:11px;font-weight:900;text-decoration:none!important;letter-spacing:.5px;}
.bz-article-cta a:hover{background:#cf3340;}
.bz-article-links{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:30px 0;}
.bz-article-links a{display:block;padding:18px 19px;border:1px solid #dce7f0;background:#ffffff;color:#1a4f91!important;font-size:14px;text-decoration:none!important;}
.bz-article-links a::after{float:right;color:var(--bz-red);font-size:18px;line-height:.8;content:"→";}
.bz-article-links a:hover{border-color:#a8c8e8;background:#f4f9ff;}
.bz-article-content::after{display:block;clear:both;content:"";}
.bz-article-sidebar{position:sticky;top:22px;display:grid;gap:17px;}
.bz-side-card{padding:24px 23px;border:1px solid #dce7f0;background:#ffffff;box-shadow:0 9px 20px rgba(22,62,104,.04);}
.bz-side-card__eyebrow{display:block;margin-bottom:9px;color:#e03b47;font-size:9px;font-weight:900;letter-spacing:1.1px;text-transform:uppercase;}
.bz-side-card h3{margin:0 0 10px;color:#1b3d5e;font-size:19px;line-height:1.3;}
.bz-side-card p{margin:0;color:#6a7d92;font-size:12px;line-height:1.8;}
.bz-side-card ul{margin:16px 0 0;padding:0;list-style:none;}
.bz-side-card li{padding:8px 0;border-bottom:1px solid #e8eef4;color:#4d657e;font-size:12px;line-height:1.5;}
.bz-side-card li:last-child{border-bottom:0;}
.bz-side-card li::before{margin-right:8px;color:var(--bz-red);font-weight:900;content:"✓";}
.bz-side-card__button{display:flex;align-items:center;justify-content:center;margin-top:18px;padding:12px 13px;background:#14539d;color:#ffffff!important;font-size:10px;font-weight:900;letter-spacing:.55px;text-decoration:none!important;}
.bz-side-card__button:hover{background:var(--bz-red);}
.bz-side-contact{background:linear-gradient(135deg,#0a2750,#104985);color:#ffffff;}
.bz-side-contact h3{color:#ffffff;}
.bz-side-contact p{color:#c9def1;}
.bz-side-contact__line{display:flex;align-items:center;gap:8px;margin-top:13px;color:#e3eef9;font-size:12px;font-weight:700;}
.bz-side-contact__line b{display:grid;place-items:center;width:25px;height:22px;background:rgba(255,255,255,.14);color:#ffffff;font-size:9px;}
.bz-side-contact__button{background:var(--bz-red);}
.bz-article-bottom{padding:58px 0;background:#f4f8fc;border-top:1px solid #e2ebf3;}
.bz-article-bottom__grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;}
.bz-bottom-card{position:relative;overflow:hidden;padding:29px 31px;background:#ffffff;border:1px solid #dce7f0;}
.bz-bottom-card--cta{background:linear-gradient(125deg,#071b37,#104886);border:0;color:#ffffff;}
.bz-bottom-card--cta::after{position:absolute;right:-44px;bottom:-58px;width:178px;height:178px;border:1px solid rgba(202,230,255,.25);border-radius:50%;content:"";}
.bz-bottom-card>*{position:relative;z-index:1;}
.bz-bottom-card span{display:block;margin-bottom:8px;color:#e23d48;font-size:9px;font-weight:900;letter-spacing:1.1px;text-transform:uppercase;}
.bz-bottom-card h3{margin:0 0 8px;color:#1b3e60;font-size:22px;line-height:1.3;}
.bz-bottom-card p{max-width:500px;margin:0;color:#66798d;font-size:13px;line-height:1.75;}
.bz-bottom-card--cta span{color:#adcde9;}
.bz-bottom-card--cta h3{color:#ffffff;}
.bz-bottom-card--cta p{color:#c6daed;}
.bz-bottom-card a{display:inline-flex;align-items:center;gap:8px;margin-top:17px;color:#0f549f;font-size:11px;font-weight:900;letter-spacing:.35px;}
.bz-bottom-card--cta a{padding:11px 15px;background:var(--bz-red);color:#ffffff;}
.bz-bottom-card a:hover{color:var(--bz-red);}
.bz-bottom-card--cta a:hover{color:#ffffff;background:#ce3340;}
@media (max-width:1080px){.bz-nav{gap:13px;}.bz-article-hero__layout{gap:38px;}.bz-article-hero h1{font-size:40px;}.bz-article-layout{gap:35px;}.bz-footer-grid{gap:30px;}}
@media (max-width:900px){.bz-topbar__inner{align-items:flex-start;flex-direction:column;gap:3px;padding:8px 0;}.bz-site-header__inner{align-items:flex-start;flex-direction:column;padding:16px 0;}.bz-nav{width:100%;height:auto;flex-wrap:wrap;gap:8px 17px;}.bz-nav>a{height:29px;}.bz-nav>a.is-active::after{bottom:-3px;}.bz-nav__cta{height:33px!important;}.bz-article-hero__layout{grid-template-columns:1fr;padding-top:42px;}.bz-article-hero__cover{max-width:620px;}.bz-article-layout{grid-template-columns:1fr;}.bz-article-sidebar{position:static;grid-template-columns:repeat(2,1fr);}.bz-article-bottom__grid{grid-template-columns:1fr;}.bz-footer-grid{grid-template-columns:1fr 1fr;}.bz-article-hero h1{font-size:42px;}.bz-article-content h2{font-size:29px;}}
@media (max-width:600px){.bz-container{width:min(100% - 32px,1180px);}.bz-brand__name{font-size:20px;}.bz-article-hero__inner{padding-bottom:55px;}.bz-article-hero h1{font-size:33px;letter-spacing:-.7px;}.bz-article-lead{font-size:13px;}.bz-article-hero__cover,.bz-article-hero__cover img,.bz-article-hero__placeholder{min-height:220px;height:220px;}.bz-article-main{padding:55px 0 62px;}.bz-article-content{font-size:15px;line-height:1.84;}.bz-article-content h2{margin-top:46px;font-size:26px;}.bz-article-content h3{margin-top:31px;font-size:20px;}.bz-article-content h4{font-size:16px;}.bz-article-content blockquote{padding:21px 20px 21px 23px;font-size:16px;}.bz-article-content img.alignleft,.bz-article-content img.alignright{float:none;max-width:100%;margin:26px auto;}.bz-article-content th,.bz-article-content td{padding:11px 12px;font-size:12px;}.bz-article-content table{min-width:560px;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;}.bz-answer-box{padding:22px 20px;}.bz-answer-box p{font-size:16px;}.bz-pros-cons,.bz-article-links,.bz-article-sidebar{grid-template-columns:1fr;}.bz-article-toc{padding:21px 19px;}.bz-article-cta{padding:26px 22px;}.bz-article-cta h3{font-size:20px!important;}.bz-side-card{padding:22px 20px;}.bz-bottom-card{padding:26px 23px;}.bz-bottom-card h3{font-size:20px;}.bz-footer-grid{grid-template-columns:1fr;gap:29px;}.bz-footer-bottom{flex-direction:column;}.bz-step-list li{padding-left:63px!important;}.bz-step-list li::before{width:37px;height:37px;}.bz-step-list li::after{top:38px;left:18px;}}