:root{
--primary:#6F5AE8;--primary-2:#9A8CF2;--ink:#242433;--text:#30303A;--muted:#70707D;--bg:#F8F8FC;--soft:#F0EEFA;--accent:#F29A4A;--white:#FFFFFF;--line:#DEDCEB;--shadow:0 18px 45px rgba(36,36,51,.09);--radius-lg:28px;--radius-md:18px;--shell:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}body.modal-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}code{background:var(--soft);padding:.14rem .4rem;border-radius:6px;font-size:.92em}.shell{width:min(calc(100% - 40px),var(--shell));margin-inline:auto}.narrow{width:min(calc(100% - 40px),860px);margin-inline:auto}.skip-link{position:fixed;left:14px;top:14px;z-index:1000;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px;transform:translateY(-160%);transition:.2s}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:100;background:rgba(248,248,252,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(222,220,235,.85)}.header-inner{display:flex;align-items:center;min-height:76px;gap:22px}.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}.brand img{width:44px;height:44px;object-fit:contain}.brand-copy{display:flex;flex-direction:column;line-height:1.2}.brand-copy strong{font-size:18px;color:var(--ink);letter-spacing:-.02em}.brand-copy small{font-size:11px;color:var(--muted);margin-top:4px}.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.site-nav a{padding:10px 11px;border-radius:10px;color:var(--muted);font-size:14px;white-space:nowrap}.site-nav a:hover,.site-nav a.is-active{color:var(--primary);background:var(--soft)}.search-trigger,.menu-toggle{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:12px;padding:9px 13px}.search-trigger:hover,.menu-toggle:hover{border-color:var(--primary-2);color:var(--primary)}.menu-toggle{display:none}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:500;background:rgba(36,36,51,.64);display:grid;place-items:start center;padding:10vh 20px 20px}.search-dialog{position:relative;width:min(680px,100%);background:#fff;border-radius:var(--radius-lg);padding:34px;box-shadow:0 26px 80px rgba(0,0,0,.25)}.search-dialog h2{font-size:30px;line-height:1.25;margin:4px 0 10px;color:var(--ink)}.search-dialog p{margin:0 0 20px;color:var(--muted)}.search-close{position:absolute;right:18px;top:16px;border:0;background:var(--soft);width:38px;height:38px;border-radius:50%;font-size:26px;line-height:1;color:var(--ink)}.search-form label,.inline-search label,.search-page-form label{display:block;font-weight:700;color:var(--ink);margin-bottom:8px}.search-row,.inline-search>div,.search-page-form>div{display:flex;gap:8px}.search-row input,.inline-search input,.search-page-form input{flex:1;min-width:0;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;color:var(--text);outline:none}.search-row input:focus,.inline-search input:focus,.search-page-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(111,90,232,.12)}.search-row button,.inline-search button,.search-page-form button{border:0;border-radius:12px;background:var(--primary);color:#fff;padding:12px 18px;font-weight:700}
.hero{padding:72px 0 80px;background:radial-gradient(circle at 80% 20%,rgba(154,140,242,.2),transparent 34%),var(--bg)}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:58px;align-items:center}.eyebrow{display:block;margin:0 0 12px;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.eyebrow.light{color:#CFC7FF}.hero h1,.page-hero h1,.article-header h1{margin:0;color:var(--ink);line-height:1.12;letter-spacing:-.035em}.hero h1{font-size:clamp(40px,5vw,68px)}.hero-lead{font-size:19px;color:var(--muted);margin:24px 0 0;max-width:680px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:12px;font-weight:800;transition:.2s;line-height:1.35}.button:hover{transform:translateY(-1px)}.button-primary{background:var(--primary);color:#fff;box-shadow:0 10px 28px rgba(111,90,232,.22)}.button-secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.button-accent{background:var(--accent);color:#241E19}.button-ghost{border:1px solid rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.06)}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;padding:0;margin:26px 0 0;list-style:none;color:var(--muted);font-size:14px}.hero-points li{position:relative;padding-left:17px}.hero-points li:before{content:"";position:absolute;left:0;top:.66em;width:7px;height:7px;background:var(--accent);border-radius:50%}.hero-media{position:relative}.hero-media>img{width:100%;aspect-ratio:1.16/1;object-fit:cover;border-radius:34px;box-shadow:var(--shadow)}.hero-note{position:absolute;left:-24px;bottom:24px;width:min(340px,80%);padding:18px 20px;border-radius:16px;background:rgba(255,255,255,.94);box-shadow:var(--shadow);backdrop-filter:blur(12px)}.hero-note strong{display:block;color:var(--ink);font-size:15px}.hero-note span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:5px}
.section{padding:82px 0}.section-compact{padding:34px 0}.section-soft{background:var(--soft)}.section-dark{background:var(--ink);color:#fff}.section-heading{margin-bottom:36px;max-width:780px}.section-heading h2,.reading-main h2,.guide-preview-lead h2,.faq-snapshot h2,.related-panel h2,.compare-grid h2,.contact-grid h2,.policy-content h2{font-size:clamp(28px,3.1vw,42px);line-height:1.18;letter-spacing:-.025em;color:var(--ink);margin:0}.section-heading>p:last-child,.split-heading>p{color:var(--muted);margin:14px 0 0}.split-heading{max-width:none;display:grid;grid-template-columns:1fr .7fr;gap:40px;align-items:end}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.topic-card{background:#fff;border:1px solid rgba(222,220,235,.85);border-radius:var(--radius-md);overflow:hidden}.topic-card img{width:100%;aspect-ratio:1.55/1;object-fit:cover}.topic-card-body{padding:24px}.topic-card h3{font-size:22px;line-height:1.3;color:var(--ink);margin:0 0 10px}.topic-card p{margin:0 0 16px;color:var(--muted)}.text-link{display:inline-flex;color:var(--primary);font-weight:800;line-height:1.45}.text-link:hover{text-decoration:underline}
.reading-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:72px;align-items:start}.reading-main>p{font-size:17px;color:var(--text)}.reading-main a{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.reading-aside{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:26px;position:sticky;top:105px}.reading-aside h3{margin:0 0 18px;color:var(--ink);font-size:21px}.step-list{list-style:none;margin:0;padding:0;display:grid;gap:18px}.step-list li{display:flex;gap:14px;align-items:flex-start}.step-list li>span{flex:0 0 32px;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--soft);color:var(--primary);font-weight:800}.step-list strong{display:block;color:var(--ink)}.step-list p{margin:2px 0 0;color:var(--muted);font-size:14px;line-height:1.5}.compact.step-list{gap:14px}
.feature-band{display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:center}.feature-band h2{font-size:clamp(30px,3.4vw,46px);line-height:1.14;margin:0;color:#fff}.feature-band p{color:#C9C7D3;max-width:700px}.feature-band-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}.feature-list{display:grid;gap:40px}.feature-row{display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:center}.feature-row.is-reverse .feature-media{order:2}.feature-row.is-reverse .feature-copy{order:1}.feature-media img{width:100%;aspect-ratio:1.45/1;object-fit:cover;border-radius:var(--radius-lg)}.feature-number{display:block;color:var(--primary-2);font-size:13px;font-weight:900;letter-spacing:.16em}.feature-copy h3{font-size:31px;line-height:1.2;color:var(--ink);margin:8px 0 12px}.feature-copy p{color:var(--muted);font-size:17px}
.guide-preview{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px}.guide-preview-lead{position:sticky;top:110px;align-self:start}.guide-preview-lead p{color:var(--muted)}.editorial-list{background:#fff;border-radius:var(--radius-lg);padding:6px 30px;border:1px solid var(--line)}.editorial-list article{display:flex;justify-content:space-between;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}.editorial-list article:last-child{border-bottom:0}.editorial-list span{color:var(--primary);font-size:12px;font-weight:800}.editorial-list h3{margin:5px 0 7px;font-size:20px;line-height:1.35;color:var(--ink)}.editorial-list h3 a:hover{color:var(--primary)}.editorial-list p{margin:0;color:var(--muted);font-size:14px}.arrow-link{flex:0 0 42px;width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--soft);color:var(--primary);font-size:20px;align-self:center}
.faq-snapshot{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:center}.faq-image img{width:100%;border-radius:var(--radius-lg);aspect-ratio:1.33/1;object-fit:cover}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;list-style:none;padding:19px 30px 19px 0;color:var(--ink);font-weight:750;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:0;top:17px;color:var(--primary);font-size:22px}.faq-item[open] summary:after{content:"−"}.faq-item>div{padding:0 34px 18px 0;color:var(--muted)}.faq-item>div p{margin:0}.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}.trust-strip>div{background:#fff;padding:20px}.trust-strip strong{display:block;color:var(--ink)}.trust-strip span{display:block;color:var(--muted);font-size:13px;margin-top:4px;line-height:1.5}
.breadcrumb{padding:22px 0 0}.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;color:var(--muted);font-size:13px}.breadcrumb li:not(:last-child):after{content:"/";margin-left:8px;color:#AAA7B7}.breadcrumb a:hover{color:var(--primary)}
.page-hero{padding:44px 0 74px}.compact-hero{padding-bottom:58px}.page-hero-grid{display:grid;grid-template-columns:1fr .86fr;gap:64px;align-items:center}.page-hero h1{font-size:clamp(38px,4.6vw,60px)}.page-hero p{font-size:18px;color:var(--muted);margin:20px 0 0}.page-hero img{width:100%;aspect-ratio:1.36/1;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.note-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.note-grid article{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px}.note-grid h3{margin:0 0 9px;color:var(--ink);font-size:19px}.note-grid p{margin:0;color:var(--muted);font-size:14px}.callout{margin:26px 0;padding:20px 22px;border-left:4px solid var(--accent);background:#FFF9F2;border-radius:0 14px 14px 0}.callout strong{display:block;color:var(--ink)}.callout p{margin:6px 0 0!important;color:#665B50!important}.check-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.check-list li{position:relative;padding-left:26px;color:var(--text)}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-weight:900}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.process-grid article{padding:24px;border-top:3px solid var(--primary);background:#fff;box-shadow:0 10px 30px rgba(36,36,51,.05);border-radius:0 0 16px 16px}.process-grid span{color:var(--primary-2);font-size:12px;font-weight:900}.process-grid h3{font-size:19px;margin:7px 0 8px;color:var(--ink)}.process-grid p{margin:0;color:var(--muted);font-size:14px}.related-panel{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px;align-items:start}.related-links{display:grid;gap:12px}.related-links a{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}.related-links a:hover{border-color:var(--primary-2);box-shadow:0 10px 24px rgba(36,36,51,.06)}.related-links strong{display:block;color:var(--ink)}.related-links span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:4px}
.download-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.download-steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px}.download-steps li>span{display:block;font-size:12px;color:var(--primary);font-weight:900}.download-steps h3{margin:9px 0 8px;font-size:18px;color:var(--ink)}.download-steps p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.compare-grid>article{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px}.compare-grid>article.accent-panel{background:#FFF9F2;border-color:#F3D7BD}.compare-grid p{color:var(--muted)}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scenario-grid article{padding:28px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff}.tag{display:inline-flex;border-radius:999px;padding:5px 10px;background:var(--soft);color:var(--primary);font-size:12px;font-weight:800}.scenario-grid h3{font-size:22px;line-height:1.3;color:var(--ink);margin:14px 0 8px}.scenario-grid p{margin:0;color:var(--muted)}.timeline{display:grid;gap:0;max-width:860px}.timeline article{display:grid;grid-template-columns:50px 1fr;gap:18px;position:relative;padding-bottom:28px}.timeline article:not(:last-child):before{content:"";position:absolute;left:24px;top:44px;bottom:0;width:1px;background:var(--line)}.timeline-mark{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--primary);font-weight:900;z-index:1}.timeline h3{margin:0 0 4px;color:var(--ink);font-size:20px}.timeline p{margin:0;color:var(--muted)}
.feature-detail-list{display:grid;gap:24px}.feature-detail-list article{display:grid;grid-template-columns:64px .8fr 1.2fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}.feature-detail-list img{border-radius:16px;width:100%;aspect-ratio:1.6/1;object-fit:cover}.feature-detail-index{align-self:start;color:var(--primary-2);font-size:13px;font-weight:900;padding-top:8px}.feature-detail-list h2{margin:0 0 10px;color:var(--ink);font-size:28px}.feature-detail-list p{margin:0 0 10px;color:var(--muted)}
.guide-layout{display:grid;grid-template-columns:220px 1fr;gap:52px}.guide-filter{position:sticky;top:106px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.guide-filter h2{font-size:17px;margin:0 0 14px;color:var(--ink)}.guide-filter ul{list-style:none;padding:0;margin:0;display:grid;gap:5px}.guide-filter a{display:block;padding:7px 9px;border-radius:8px;color:var(--muted);font-size:14px}.guide-filter a:hover{background:var(--soft);color:var(--primary)}.guide-catalog{display:grid;gap:44px}.guide-group{scroll-margin-top:100px}.guide-group-heading{display:grid;grid-template-columns:1fr auto;align-items:end;margin-bottom:16px;gap:8px}.guide-group-heading span{grid-column:1/-1;color:var(--primary);font-size:12px;font-weight:800}.guide-group-heading h2{margin:0;color:var(--ink);font-size:27px}.guide-group-heading p{margin:0;color:var(--muted);font-size:13px}.guide-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.guide-cards article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.guide-cards h3{font-size:19px;line-height:1.4;margin:0 0 8px;color:var(--ink)}.guide-cards h3 a:hover{color:var(--primary)}.guide-cards p{color:var(--muted);font-size:14px}
.search-prompt{display:grid;grid-template-columns:1fr .85fr;gap:50px;align-items:center}.search-prompt h2{margin:0;color:var(--ink);font-size:32px}.search-prompt p{color:var(--muted)}.inline-search{background:#fff;border:1px solid var(--line);padding:22px;border-radius:16px}
.article-page{padding-bottom:0}.article-header{padding-top:52px;text-align:center}.article-header h1{font-size:clamp(38px,5vw,62px);margin-top:15px}.article-deck{font-size:20px;color:var(--muted);margin:22px auto 0;max-width:760px}.article-cover{margin-top:36px}.article-cover img{width:100%;aspect-ratio:1.9/1;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}.article-layout{display:grid;grid-template-columns:220px minmax(0,740px);gap:62px;justify-content:center;padding-top:58px;padding-bottom:72px}.article-toc{position:sticky;top:108px;align-self:start}.article-toc h2{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);margin:0 0 12px}.article-toc ol{margin:0;padding-left:18px;color:var(--muted);display:grid;gap:8px;font-size:14px}.article-toc a:hover{color:var(--primary)}.article-body{font-size:17px}.article-body .lead{font-size:20px;color:var(--ink);line-height:1.8;margin-top:0}.article-body section{scroll-margin-top:96px;margin-top:44px}.article-body h2{font-size:30px;line-height:1.3;color:var(--ink);margin:0 0 14px}.article-body p{color:#454550}.article-next{border-top:1px solid var(--line);padding-top:30px}
.faq-layout{display:grid;grid-template-columns:240px 1fr;gap:52px}.faq-index{position:sticky;top:106px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.faq-index h2{font-size:18px;color:var(--ink);margin:0}.faq-index ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:16px 0 22px}.faq-index li{padding:5px 9px;border-radius:999px;background:var(--soft);font-size:12px;color:var(--primary)}.faq-list .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:0 20px}.faq-list .faq-item summary{font-size:17px}.faq-list .faq-item summary span{display:inline-flex;margin-right:10px;padding:3px 7px;border-radius:6px;background:var(--soft);color:var(--primary);font-size:11px}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}.about-grid h2{font-size:40px;line-height:1.2;color:var(--ink);margin:0}.about-grid>div:first-child>p{color:var(--muted);font-size:17px}.principle-list{display:grid;gap:12px}.principle-list>div{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:18px;border-bottom:1px solid var(--line)}.principle-list span{color:var(--primary);font-size:12px;font-weight:900}.principle-list p{margin:0}.journey-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.journey-grid article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.journey-grid span{color:var(--primary);font-size:12px;font-weight:900}.journey-grid h3{color:var(--ink);font-size:19px;line-height:1.4;margin:8px 0}.journey-grid p{color:var(--muted);font-size:14px}.journey-grid a{color:var(--primary);font-weight:800;font-size:14px}
.policy-layout{display:grid;grid-template-columns:220px 1fr;gap:56px}.policy-layout>aside{position:sticky;top:106px;align-self:start}.policy-layout>aside h2{font-size:17px;color:var(--ink);margin:0 0 12px}.policy-layout>aside ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}.policy-layout>aside a{font-size:14px;color:var(--muted)}.policy-layout>aside a:hover{color:var(--primary)}.policy-content{max-width:760px}.policy-content section{scroll-margin-top:100px;padding-bottom:28px;margin-bottom:28px;border-bottom:1px solid var(--line)}.policy-content h2{font-size:28px}.policy-content p{color:#4D4D58}
.safety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.safety-grid article{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px}.safety-grid article>span{color:var(--primary-2);font-weight:900;font-size:13px}.safety-grid h2{font-size:28px;color:var(--ink);margin:8px 0 10px}.safety-grid p{color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.contact-grid>article{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px}.contact-note{background:#FFF9F2!important;border-color:#F3D7BD!important}
.search-page{padding:58px 0 90px}.search-page h1{font-size:clamp(38px,5vw,58px);line-height:1.15;color:var(--ink);margin:0 0 24px}.search-page-form{margin:28px 0 40px}.empty-state{text-align:center;padding:44px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg)}.empty-state img{margin:0 auto 22px;border-radius:16px;max-width:420px}.empty-state h2{color:var(--ink);margin:0}.empty-state p{color:var(--muted)}.empty-state .hero-actions{justify-content:center}.result-count{color:var(--muted);font-size:14px}.search-results{display:grid;gap:14px}.search-results article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.search-results article>span{color:var(--primary);font-size:12px;font-weight:800}.search-results h2{font-size:22px;line-height:1.35;margin:6px 0}.search-results h2 a:hover{color:var(--primary)}.search-results p{color:var(--muted)}
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