.method-detail-container{max-width:860px;margin:0 auto;padding:0 24px}.reading-progress-container{z-index:999;background:0 0;width:100%;height:3px;position:fixed;top:64px;left:0}.reading-progress-bar{background:var(--accent,#6e8899);width:0%;height:100%;transition:width .1s}.pg-method-meta{flex-wrap:wrap;align-items:center;gap:10px;margin:2px 0 14px;display:flex}.pg-method-datetime{color:var(--hero-ink-3);letter-spacing:.03em;font-size:13px}.pg-hero--article .category-tag{background:var(--tag-color,var(--accent));color:#fff;border:1px solid #ffffff47}.article-body-section{padding:0 0 64px}.article-body-section:not(:has(.article-toc--float)){padding-top:32px}.article-body{color:var(--color-text,#222);letter-spacing:.015em;scroll-behavior:smooth;font-size:17px;line-height:1.85}.article-body a[id]{scroll-margin-top:100px;display:block}.article-body h2{font-family:var(--font-serif);color:var(--color-text,#222);border-left:4px solid var(--accent,#6e8899);letter-spacing:.02em;margin:48px 0 20px;padding-bottom:2px;padding-left:12px;font-size:22px;font-weight:700;line-height:1.4}.article-body h3{font-family:var(--font-serif);color:var(--color-text,#222);margin:32px 0 14px;font-size:17px;font-weight:600;line-height:1.4}.article-body p{color:var(--color-text,#222);margin:0 0 22px;line-height:1.85}.article-body ul,.article-body ol{margin:0 0 24px;padding-left:24px}.article-body li{margin-bottom:8px;line-height:1.8}.article-body li::marker{color:#6e8899}.article-body blockquote{background:var(--bg-subtle,#fafafb);border-left:4px solid var(--accent,#6e8899);color:var(--text-secondary,#5a6670);border-radius:0 8px 8px 0;margin:28px 0;padding:18px 22px;font-size:15px;font-style:italic;line-height:1.8}.article-body blockquote p{margin:0}.article-body strong{color:var(--text-primary,#2a2e33);background:linear-gradient(#0000 60%,#c4956e2e 60%);padding:0 2px;font-weight:600}.article-body table{border-collapse:collapse;background:var(--bg-card,#fff);-webkit-overflow-scrolling:touch;border-radius:6px;width:100%;margin:24px 0 32px;font-size:14px;display:block;overflow:auto hidden;box-shadow:0 1px 4px #6e88990a}.article-body table thead{background:var(--bg-subtle,#fafafb)}.article-body table th{text-align:left;color:var(--text-primary,#2a2e33);border-bottom:1px solid var(--divider,#e5e7ea);letter-spacing:.03em;padding:12px 16px;font-size:13px;font-weight:600}.article-body table td{border-bottom:1px solid var(--divider-faint,#eeeff1);color:var(--text-secondary,#5a6670);vertical-align:top;padding:12px 16px}.article-body table tbody tr:last-child td{border-bottom:none}.article-body table tbody tr:hover{background:var(--bg-subtle,#fafafb)}.article-body code{background:var(--bg-subtle,#fafafb);color:#4e6273;border-radius:3px;padding:2px 6px;font-family:SF Mono,Consolas,Menlo,monospace;font-size:13px}.article-body pre{background:var(--bg-subtle,#fafafb);border:1px solid var(--divider,#e5e7ea);color:var(--text-primary,#2a2e33);border-radius:6px;margin:24px 0;padding:18px 22px;font-size:13px;line-height:1.7;overflow-x:auto}.article-body pre code{color:inherit;background:0 0;padding:0}.article-body hr{border:none;border-top:1px dashed var(--divider,#e5e7ea);margin:80px 0}.related-section{padding:40px 0}.related-title{font-family:var(--font-serif);color:var(--text-primary,#2a2e33);border-left:4px solid var(--accent,#6e8899);margin-bottom:24px;padding-left:12px;font-size:18px;font-weight:600}.related-list{grid-template-columns:1fr;gap:16px;display:grid}@media (width>=768px){.related-list{grid-template-columns:repeat(3,1fr)}}.related-item{background:var(--bg-card,#fff);border:1px solid #6e88990d;border-left:4px solid var(--item-color,var(--accent));color:inherit;box-shadow:var(--shadow-card,0 2px 8px #6e88990f);border-radius:12px;flex-direction:column;padding:24px;text-decoration:none;transition:all .25s cubic-bezier(.16,1,.3,1);display:flex;position:relative}.related-item:hover{background:var(--bg-card);border-color:#6e889926;transform:translateY(-2px)translate(2px);box-shadow:0 6px 20px #6e889914}.related-item-cat{color:var(--item-color,var(--accent));letter-spacing:.06em;margin-bottom:8px;font-size:11px;font-weight:600}.related-item-title{font-family:var(--font-serif);color:var(--text-primary,#2a2e33);margin-bottom:8px;font-size:16px;font-weight:700;line-height:1.4}.related-item-summary{color:var(--text-secondary,#5a6670);flex-grow:1;margin-bottom:16px;font-size:13px;line-height:1.65}.related-item-arrow{color:var(--item-color,var(--accent));margin-top:auto;font-size:14px;font-weight:700;transition:transform .25s cubic-bezier(.16,1,.3,1)}.related-item:hover .related-item-arrow{transform:translate(4px)}@media (width<=768px){.method-detail-container{padding:0 16px}.article-body-section{padding:0 0 48px}.article-body-section:not(:has(.article-toc--float)){padding-top:16px}.article-body{font-size:16px}.article-body p{margin-bottom:18px}.article-body h2{margin:40px 0 16px;font-size:18px}.article-body h3{margin:28px 0 12px;font-size:16px}.article-body table{font-size:13px}.article-body table th,.article-body table td{padding:8px 10px}.related-section{padding:24px 0 60px}}@media (width<=480px){.method-detail-container{padding:0 12px}}.v2-lead{color:var(--text-secondary,#4a5560);margin:4px 0 20px;font-size:16px;line-height:1.8}.v2-lead strong{color:var(--color-slate-dark,#43586a);font-weight:600}.v2-aud-card,.v2-step,.v2-ch-card,.v2-mat-card,.v2-pit-card,.v2-sub-card{background:var(--color-surface,#fff);text-align:left;border:1px solid #00000012;border-radius:12px;box-shadow:0 1px 2px #0000000a}.v2-aud-grid,.v2-step-flow,.v2-ch-grid,.v2-mat-grid,.v2-pit-grid,.v2-sub-grid{gap:10px;margin:20px 0 28px;display:grid}.v2-aud-main,.v2-step-main,.v2-ch-main,.v2-mat-main{flex:1;min-width:0}.v2-mode-list{flex-direction:column;gap:16px;margin:24px 0;display:flex}.v2-mode-card{background:var(--bg-card,#fff);border:1px solid #00000012;border-radius:12px;scroll-margin-top:100px;overflow:hidden}.v2-mode-header{background:var(--color-primary-dark,#4e6273);color:#fff;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;display:flex}.v2-mode-icon-title{align-items:center;gap:10px;display:flex}.v2-mode-icon{justify-content:center;align-items:center;display:flex}.article-body .v2-mode-title{font-family:var(--font-serif);font-size:17px;font-weight:700;color:#fff!important;margin:0!important}.v2-mode-cost{background:#ffffff2e;border-radius:20px;padding:3px 10px;font-size:13px;font-weight:600}.v2-mode-body{flex-direction:column;gap:12px;padding:16px 20px;display:flex}.v2-mode-row{grid-template-columns:72px 1fr;align-items:baseline;gap:12px;display:grid}.v2-mode-label{color:var(--color-slate,#6e8899);font-size:13px;font-weight:700}.v2-mode-desc{color:var(--text-secondary,#4a5560);font-size:15px;line-height:1.7;margin:0!important}.v2-mode-who{color:var(--text-primary,#2a2e33);font-weight:500}.v2-summary-grid{background:var(--color-surface,#fff);border:1px solid #00000012;border-radius:12px;grid-auto-columns:1fr;grid-auto-flow:column;margin:20px 0 28px;display:grid}.v2-summary-card{text-align:center;padding:14px 10px}.v2-summary-card+.v2-summary-card{border-left:1px solid #e8ecf0}.v2-summary-icon{display:none}.v2-icon-svg{display:block}.v2-summary-big{color:#4e6273;font-size:26px;font-weight:700;line-height:1.15;font-family:var(--font-sans);font-variant-numeric:tabular-nums;margin-bottom:4px}.v2-summary-unit{color:var(--text-tertiary,#8a929b);margin-left:2px;font-size:13px;font-weight:400}.v2-summary-label{color:var(--text-secondary,#5a6670);font-size:14px;line-height:1.5}.v2-summary-sublabel{color:var(--text-tertiary,#8a929b);margin-top:2px;font-size:13px;line-height:1.5}.v2-aud-grid{grid-template-columns:repeat(2,1fr)}.v2-aud-card{color:inherit;align-items:flex-start;gap:14px;padding:16px 18px;text-decoration:none;display:flex}a.v2-aud-card{transition:border-color .2s,box-shadow .2s}a.v2-aud-card:hover{border-color:#6e889959;box-shadow:0 6px 18px #6e88991f}.v2-aud-icon,.v2-ch-icon,.v2-mat-icon{background:var(--color-slate-panel,#e8eef2);width:40px;height:40px;color:var(--color-slate,#6e8899);border-radius:10px;flex:none;justify-content:center;align-items:center;display:flex}.article-body .v2-aud-title{color:var(--color-text,#222);margin:0 0 2px;font-size:16px;font-weight:700;line-height:1.45}.v2-aud-tag,.v2-ch-level,.v2-mat-must,.v2-step-time{vertical-align:2px;color:#8a5a32;background:#c4956e29;border-radius:10px;margin-left:8px;padding:0 8px;font-size:12px;font-weight:500;line-height:1.6;display:inline-block}.v2-aud-age{color:var(--text-tertiary,#8a929b);margin-bottom:4px;font-size:13px}.v2-aud-desc{color:var(--text-secondary,#4a5560);font-size:15px;line-height:1.65}.v2-aud-result{color:var(--color-slate-dark,#43586a);align-items:center;gap:6px;margin-top:6px;font-size:14px;font-weight:600;display:flex}.v2-sub-grid{grid-template-columns:repeat(2,1fr)}.v2-sub-card{border-top:3px solid var(--c);padding:14px 18px}.v2-sub-head{align-items:center;gap:8px;margin-bottom:8px;display:flex}.v2-sub-icon{color:var(--c);display:flex}.article-body .v2-sub-name{color:var(--text-primary,#2a2e33);flex:1;margin:0;font-size:16px;font-weight:700}.v2-sub-amount{white-space:nowrap}.v2-sub-amt-num{color:var(--c);font-size:17px;font-weight:700;font-family:var(--font-sans)}.v2-sub-amt-unit{color:var(--text-tertiary,#8a929b);margin-left:3px;font-size:12px}.v2-sub-divider{display:none}.v2-sub-row{grid-template-columns:3.2em 1fr;gap:8px;padding:2px 0;font-size:14.5px;line-height:1.65;display:grid}.v2-sub-row span{color:var(--text-tertiary,#8a929b)}.article-body .v2-sub-row strong{color:var(--text-primary,#2a2e33);background:0 0;padding:0;font-weight:500}.article-body .v2-sub-row-get strong{font-weight:600}.v2-step-flow{grid-template-columns:repeat(2,1fr)}.v2-step{align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.v2-step-circle{background:var(--color-slate,#6e8899);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:28px;height:28px;margin-top:1px;font-size:14px;font-weight:700;display:flex}.v2-step-num{line-height:1}.v2-step-done .v2-step-circle{background:#7a9b6e}.v2-step-title{color:var(--color-text,#222);margin-bottom:4px;font-size:16px;font-weight:700;line-height:1.5}.v2-step-time{background:var(--color-slate-panel,#e8eef2);color:var(--color-slate-dark,#43586a)}.v2-step-detail,.v2-pit-detail,.v2-ch-use,.v2-mat-tip{color:var(--text-secondary,#4a5560);font-size:14.5px;line-height:1.7}.v2-mat-grid,.v2-ch-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.v2-mat-card,.v2-ch-card{align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.v2-mat-required{border-color:#6e889973}.article-body .v2-mat-name,.article-body .v2-ch-name{color:var(--text-primary,#2a2e33);margin:0 0 2px;font-size:16px;font-weight:700;line-height:1.45}.v2-mat-required .v2-mat-must{color:#fff;background:#6e8899}.v2-mat-optional .v2-mat-must{color:var(--text-tertiary,#6b737c);background:#e5e7ea}.v2-ch-level{background:var(--color-slate-panel,#e8eef2);color:var(--color-slate-dark,#43586a)}.v2-pit-grid{grid-template-columns:1fr}.v2-pit-card{border-left:3px solid #b45309;padding:14px 18px}.article-body .v2-pit-title{color:var(--color-text,#222);align-items:flex-start;gap:8px;margin:0 0 4px;font-size:16px;font-weight:700;line-height:1.5;display:flex}.v2-pit-icon{flex:none;margin-top:3px;display:flex}.v2-step-toggle{display:none}@media (width<=768px){[data-step-detail].is-collapsed .v2-step-detail-inner{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.v2-step-toggle{font:inherit;color:var(--color-slate-dark,#3d5a73);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;margin-top:2px;padding:4px 0;font-size:14px;font-weight:600;line-height:1.5;display:block}[data-step-detail]:not(.is-collapsed):not(.is-expanded) .v2-step-toggle{display:none}.v2-step-toggle:active{opacity:.6}}.v2-faq{background:var(--color-surface,#fff);border:1px solid #00000012;border-radius:12px;margin:20px 0 28px;overflow:hidden}.v2-faq-item{border-bottom:1px solid #e8ecf0}.v2-faq-item:last-child{border-bottom:none}.v2-faq-q{color:var(--color-text,#222);cursor:pointer;padding:13px 44px 13px 18px;font-size:15.5px;font-weight:600;line-height:1.55;list-style:none;position:relative}.v2-faq-q:hover{background:var(--color-slate-panel,#e8eef2)}.v2-faq-q:after{content:"+";color:var(--color-slate,#6e8899);font-size:18px;font-weight:400;position:absolute;top:50%;right:18px;transform:translateY(-50%)}details[open] .v2-faq-q:after{content:"−"}.v2-faq-q::-webkit-details-marker{display:none}.v2-faq-a{color:var(--text-secondary,#4a5560);padding:0 18px 14px;font-size:15px;line-height:1.75}.v2-big-summary{background:var(--color-slate-dark,#43586a);border-radius:12px;margin:28px 0 24px;padding:20px 24px}.v2-bs-inner{color:#fff}.v2-bs-line{color:#fff;margin:4px 0;padding-left:26px;font-size:16px;line-height:1.75;position:relative}.v2-bs-line svg{color:#fff;position:absolute;top:6px;left:0}.article-body details.v2-fold-sec{background:#fff;border:1px solid #6e88994d;border-radius:12px;margin:24px 0;padding:0 18px}.article-body details.v2-fold-sec>summary{color:#3d5a73;cursor:pointer;justify-content:space-between;align-items:center;gap:12px;min-height:52px;font-size:16px;font-weight:700;list-style:none;display:flex}.article-body details.v2-fold-sec>summary::-webkit-details-marker{display:none}.article-body details.v2-fold-sec>summary:after{content:"展开";color:var(--color-slate,#6e8899);flex:none;font-size:14px;font-weight:600}.article-body details.v2-fold-sec[open]>summary:after{content:"收起"}.article-body details.v2-fold-sec[open]{padding-bottom:8px}.article-body details.v2-fold-sec>h2:first-of-type,.article-body details.v2-fold-sec>h3:first-of-type{margin-top:8px}.v2-footer-note{color:#6b7680;border-top:1px dashed #d8dde2;margin-top:32px;padding-top:20px;font-size:13px;line-height:1.75}.v2-footer-note p,.v2-footer-note li{color:#6b7680!important;margin:0 0 4px!important;font-size:13px!important;line-height:1.75!important}.v2-footer-note strong{color:#3d5a73!important;background:0 0!important}.v2-footer-note ol{margin:4px 0 0!important;padding-left:20px!important}@media (width<=768px){.v2-aud-grid,.v2-sub-grid,.v2-step-flow,.v2-mat-grid,.v2-ch-grid{grid-template-columns:1fr;gap:8px}.v2-aud-card,.v2-step,.v2-mat-card,.v2-ch-card,.v2-pit-card,.v2-sub-card{padding:12px 14px}.v2-aud-icon,.v2-ch-icon,.v2-mat-icon{border-radius:8px;width:34px;height:34px}.v2-step-detail,.v2-pit-detail,.v2-ch-use,.v2-mat-tip,.v2-aud-desc{font-size:15px}.v2-summary-card{padding:12px 6px}.v2-summary-big{font-size:21px}.v2-summary-unit{font-size:12px}.v2-summary-label{font-size:13px;line-height:1.45}.v2-summary-sublabel{font-size:12px}.v2-mode-header{flex-wrap:wrap;padding:12px 16px}.v2-mode-body{gap:10px;padding:14px 16px}.v2-mode-row{grid-template-columns:1fr;gap:2px}.v2-big-summary{padding:16px 18px}.v2-bs-line{font-size:15.5px}}.article-body blockquote{color:var(--text-secondary,#4a5560);font-size:15.5px;font-style:normal}@media (width<=768px){.article-body table{font-size:14px}}.article-body hr{margin:40px 0}.article-body details.v2-fold-sec hr{margin:24px 0}@media (width<=768px){.article-body hr{margin:28px 0}}.article-toc{background:#fff;border:1px solid #6e889940;border-radius:12px;margin:0 0 20px;padding:0 16px}.article-toc--float{margin:calc(-1 * var(--float-overlap)) 0 22px;border-radius:var(--radius-float);box-shadow:var(--shadow-float);border:none;padding:0 22px}.article-toc summary{color:#3d5a73;cursor:pointer;align-items:center;min-height:48px;font-size:16px;font-weight:700;display:flex}.article-toc ol{margin:0 0 14px;padding-left:22px}.article-toc li{margin:6px 0;font-size:15px;line-height:1.6}.article-toc a{color:var(--text-primary,#1f2328);padding:4px 0;text-decoration:none;display:inline-block}.article-body h2[id^=sec-]{scroll-margin-top:76px}.article-tldr{border-left:4px solid var(--accent,#6e8899);background:#6e88991a;border-radius:12px;margin:0 0 20px;padding:14px 18px}.article-tldr strong{color:var(--brand-ink,#4e6676);letter-spacing:.05em;margin-bottom:4px;font-size:13px;display:block}.article-tldr p{color:var(--text-primary,#1f2328);margin:0;font-size:16px;line-height:1.75}.article-tldr ul{margin:0;padding-left:20px}.article-tldr li{color:var(--text-primary,#1f2328);margin:4px 0;font-size:16px;line-height:1.7}.article-tldr li::marker{color:var(--brand-ink,#4e6676)}@media (width<=768px){.pg-hero--article:has(~.article-body-section .article-tldr) .pg-sub{display:none}}.article-faq{margin:32px 0 8px}.article-faq h2{margin:0 0 12px;font-size:20px}.article-faq-item{border-top:1px solid #6e889933;padding:12px 0}.article-faq-item h3{margin:0 0 6px;font-size:16px}.article-faq-item p{color:var(--text-secondary,#5a5f66);margin:0;font-size:15px;line-height:1.75}.article-mid-cta{background:#3d5a7312;border-left:4px solid #3d5a73;border-radius:12px;margin:28px 0;padding:16px 18px}.article-mid-cta p{font-size:15px;line-height:1.7;margin:0 0 10px!important}.article-mid-cta button,.article-end-cta-main{cursor:pointer;font-family:inherit}.article-mid-cta button{color:#fff;background:#3d5a73;border:none;border-radius:10px;min-height:44px;padding:0 18px;font-size:16px;font-weight:700}.article-end-cta{margin:32px 0 8px}.article-end-cta-title{margin:0 0 14px;font-size:20px}.article-end-cta-grid{grid-template-columns:1fr;gap:12px;display:grid}.article-end-cta-item{text-align:left;min-height:72px;color:var(--text-primary,#1f2328);background:#fff;border:1px solid #6e889940;border-radius:12px;flex-direction:column;gap:4px;padding:14px 16px;text-decoration:none;display:flex}.article-end-cta-item strong{font-size:16px}.article-end-cta-item span{color:var(--text-secondary,#5a5f66);font-size:14px}.article-end-cta-main{color:#fff;background:#3d5a73;border-color:#3d5a73}.article-end-cta-main span{color:#ffffffd9}@media (width<=480px){.article-end-cta-grid{grid-template-columns:1fr}}