.meta[data-astro-cid-vk7tuqbn] .sep[data-astro-cid-vk7tuqbn]{opacity:.5;margin:0 .25rem}.breadcrumb[data-astro-cid-ezvlwyc3]{color:var(--grey-5);flex-wrap:wrap;align-items:center;gap:.35rem;margin-bottom:1.25rem;font-size:.875rem;display:flex}.breadcrumb[data-astro-cid-ezvlwyc3] a[data-astro-cid-ezvlwyc3]{color:var(--text-color);transition:color .2s}.breadcrumb[data-astro-cid-ezvlwyc3] a[data-astro-cid-ezvlwyc3]:hover{color:var(--primary-color)}.breadcrumb[data-astro-cid-ezvlwyc3] i[data-astro-cid-ezvlwyc3]{font-size:.75rem}#qr[data-astro-cid-ia3zvwcv]{text-align:center;padding-top:1.25rem;display:none}#qr[data-astro-cid-ia3zvwcv].show{flex-wrap:wrap;justify-content:center;gap:1.5rem;animation:.3s fadeIn;display:flex}#qr[data-astro-cid-ia3zvwcv]>div[data-astro-cid-ia3zvwcv]{display:inline-block}#qr[data-astro-cid-ia3zvwcv] img[data-astro-cid-ia3zvwcv]{width:10rem;max-width:100%;height:10rem;box-shadow:0 .25rem .75rem var(--box-bg-shadow);border-radius:.5rem;display:inline-block}#qr[data-astro-cid-ia3zvwcv] p[data-astro-cid-ia3zvwcv]{color:var(--text-color);margin-top:.5rem;font-size:.875rem}.colophon-seal[data-astro-cid-ofdbadso]{width:fit-content;max-width:100%;color:var(--grey-5,#888);letter-spacing:.05em;text-align:center;font-size:.85rem;line-height:1.85;font-family:var(--font-serif,serif);border-block:1px solid #00000014;margin-top:2.25rem;margin-left:auto;margin-right:0;padding:.65rem 1rem}html[data-theme=dark] .colophon-seal[data-astro-cid-ofdbadso],html.dark .colophon-seal[data-astro-cid-ofdbadso]{color:#9d99ab;border-block:1px solid #ffffff1a}.colophon-seal-content[data-astro-cid-ofdbadso]{justify-content:center;align-items:center;gap:.5rem;margin:0;display:flex}.colophon-seal-group[data-astro-cid-ofdbadso]{color:var(--grey-4,#aaa);letter-spacing:.1em;border:1px solid;border-radius:.25rem;padding:.1rem .4rem;font-size:.78rem;transform:scale(.9)}html[data-theme=dark] .colophon-seal-group[data-astro-cid-ofdbadso],html.dark .colophon-seal-group[data-astro-cid-ofdbadso]{color:#f18bb3b3;border-color:#f18bb359}.colophon-seal-author[data-astro-cid-ofdbadso]{color:var(--primary-color,#ed6ea0);letter-spacing:.08em;font-weight:600}.colophon-seal-date[data-astro-cid-ofdbadso]{font-variant-numeric:tabular-nums;color:var(--grey-4,#999);margin:.2rem 0 0;font-size:.78rem}.post-pagination[data-astro-cid-w64uwkcc]{grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;width:100%;margin-top:2.75rem;padding-top:2rem;display:grid;position:relative}.post-pagination[data-astro-cid-w64uwkcc]:before{content:"";background:linear-gradient(90deg,#0000,#ed6ea047 20% 80%,#0000);height:1px;position:absolute;top:0;left:8%;right:8%}.post-pagination-placeholder[data-astro-cid-w64uwkcc]{min-width:0;display:block}.post-pagination-card[data-astro-cid-w64uwkcc]{-webkit-backdrop-filter:blur(10px);-webkit-tap-highlight-color:transparent;background:#ffffffa6;border-radius:1rem;flex-direction:column;gap:.45rem;min-width:0;padding:1.15rem 1.35rem 1.25rem;text-decoration:none;transition:background-color .25s cubic-bezier(.16,1,.3,1),box-shadow .25s cubic-bezier(.16,1,.3,1),transform .25s cubic-bezier(.16,1,.3,1);display:flex;box-shadow:inset 0 0 0 1px #00000014,0 4px 16px #00000008}html[data-theme=dark] .post-pagination-card[data-astro-cid-w64uwkcc],html.dark .post-pagination-card[data-astro-cid-w64uwkcc]{background:#1e1a2a99;box-shadow:inset 0 0 0 1px #ffffff1a,0 4px 20px #00000040}.post-pagination-card[data-astro-cid-w64uwkcc][data-dir=next]{text-align:end;align-items:flex-end}.post-pagination-label[data-astro-cid-w64uwkcc]{letter-spacing:.06em;color:var(--grey-5,#888);align-items:center;gap:.35rem;font-size:.78rem;font-weight:500;display:inline-flex}html[data-theme=dark] .post-pagination-label[data-astro-cid-w64uwkcc],html.dark .post-pagination-label[data-astro-cid-w64uwkcc]{color:#a09cb0}.post-pagination-arrow[data-astro-cid-w64uwkcc]{width:1.05rem;height:1.05rem;color:var(--primary-color,#ed6ea0);opacity:.75;transition:color .24s cubic-bezier(.16,1,.3,1),transform .36s cubic-bezier(.16,1,.3,1)}.post-pagination-title[data-astro-cid-w64uwkcc]{color:var(--grey-7,#333);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.95rem;font-weight:600;line-height:1.5;transition:color .24s cubic-bezier(.16,1,.3,1);display:-webkit-box;overflow:hidden}html[data-theme=dark] .post-pagination-title[data-astro-cid-w64uwkcc],html.dark .post-pagination-title[data-astro-cid-w64uwkcc]{color:#e5e0ea}.post-pagination-card[data-astro-cid-w64uwkcc]:hover{background:#ed6ea00f;transform:translateY(-2px);box-shadow:inset 0 0 0 1px #ed6ea059,0 6px 20px #ed6ea01f}html[data-theme=dark] .post-pagination-card[data-astro-cid-w64uwkcc]:hover,html.dark .post-pagination-card[data-astro-cid-w64uwkcc]:hover{background:#ed6ea01f;box-shadow:inset 0 0 0 1px #f18bb373,0 6px 24px #0006}.post-pagination-card[data-astro-cid-w64uwkcc]:hover .post-pagination-title[data-astro-cid-w64uwkcc],.post-pagination-card[data-astro-cid-w64uwkcc]:hover .post-pagination-arrow[data-astro-cid-w64uwkcc]{color:var(--primary-color,#ed6ea0);opacity:1}.post-pagination-card[data-astro-cid-w64uwkcc][data-dir=prev]:hover .post-pagination-arrow[data-astro-cid-w64uwkcc]{transform:translate(-3px)}.post-pagination-card[data-astro-cid-w64uwkcc][data-dir=next]:hover .post-pagination-arrow[data-astro-cid-w64uwkcc]{transform:translate(3px)}.post-pagination-card[data-astro-cid-w64uwkcc]:active{transform:scale(.985)}@media (width<=640px){.post-pagination[data-astro-cid-w64uwkcc]{grid-template-columns:minmax(0,1fr);gap:.65rem;margin-top:2rem}.post-pagination-placeholder[data-astro-cid-w64uwkcc]{display:none}}.links{flex-wrap:wrap;margin:1.5rem -.5rem;display:flex}.links .item{background:var(--grey-1);width:calc(50% - 1rem);box-shadow:0 .25rem 1rem var(--box-bg-shadow);border-left:.25rem solid var(--block-color,var(--primary-color));border-radius:.5rem;align-items:center;margin:.5rem;padding:.75rem 1rem;transition:transform .25s,box-shadow .25s;display:inline-flex;position:relative}.links .item:hover{box-shadow:0 .5rem 1.5rem var(--box-bg-shadow);transform:translateY(-.25rem)}.links .item .image{background-position:50%;background-size:cover;border-radius:50%;flex-shrink:0;width:3.5rem;height:3.5rem;margin-right:1rem}.links .item .info{overflow:hidden}.links .item .title{color:var(--text-color);white-space:nowrap;text-overflow:ellipsis;margin-bottom:.25rem;font-size:1rem;font-weight:700;display:block;overflow:hidden}.links .item .desc{color:var(--grey-5);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:.8125rem;line-height:1.4;overflow:hidden}@media (width<=767px){.links .item{width:calc(100% - 1rem)}}details.collapse{border:1px solid var(--grey-3);background:var(--grey-1);border-radius:.5rem;margin:1.25rem 0;transition:all .3s;overflow:hidden}details.collapse summary{cursor:pointer;background:var(--grey-2);user-select:none;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-weight:600;display:flex}details.collapse summary:before{content:"▶";color:var(--primary-color);font-size:.75rem;transition:transform .25s}details.collapse[open] summary:before{transform:rotate(90deg)}details.collapse .collapse-content{border-top:1px solid var(--grey-3);padding:1rem 1.25rem}details.collapse.primary summary{border-left:.25rem solid #9d5b8b}details.collapse.info summary{border-left:.25rem solid #38a1db}details.collapse.success summary{border-left:.25rem solid #0a7426}details.collapse.warning summary{border-left:.25rem solid #eab700}details.collapse.danger summary{border-left:.25rem solid #e9546b}.tabs{border:1px solid var(--grey-3);background:var(--grey-1);box-shadow:0 .25rem 1rem var(--box-bg-shadow);border-radius:.625rem;margin:1.5rem 0;overflow:hidden}.tabs .nav ul{background:var(--grey-2);border-bottom:1px solid var(--grey-3);margin:0;padding:0;list-style:none;display:flex}.tabs .nav li{cursor:pointer;color:var(--grey-6);border-bottom:2px solid #0000;padding:.6rem 1.25rem;font-size:.875rem;font-weight:600;transition:all .2s}.tabs .nav li:hover{color:var(--primary-color)}.tabs .nav li.active{color:var(--primary-color);background:var(--grey-1);border-bottom:2px solid var(--primary-color)}.tabs .tab-content{padding:1.25rem}.tabs .tab-content .tab-pane{display:none}.tabs .tab-content .tab-pane.active{animation:.3s fadeIn;display:block}.spoiler{background:var(--text-color);color:var(--text-color);cursor:pointer;user-select:none;border-radius:.25rem;padding:.1rem .35rem;transition:color .3s,background .3s}.spoiler:hover{color:#fff;background:#444}.spoiler.blur{color:inherit;filter:blur(4px);background:0 0;transition:filter .3s}.spoiler.blur:hover{filter:blur()}.rainbow{-webkit-text-fill-color:transparent;background-image:linear-gradient(90deg,#e9546b,#ec8c69,#eab700,#0a7426,#3e999f,#38a1db,#9d5b8b);-webkit-background-clip:text;font-weight:700;display:inline-block}ins.wavy{text-decoration:underline wavy var(--primary-color)}ins.dot{text-decoration:underline dotted var(--primary-color)}kbd{font-family:var(--font-family-monospace,monospace);color:var(--text-color);background-color:var(--grey-2);border:1px solid var(--grey-4);box-shadow:0 .125rem 0 var(--grey-4);vertical-align:middle;border-radius:.25rem;padding:.15rem .45rem;font-size:.8125rem;line-height:1.2;display:inline-block}kbd.red{border-color:var(--color-red);color:var(--color-red)}.label{background:var(--grey-3);color:var(--text-color);border-radius:.25rem;padding:.1rem .5rem;font-size:.75rem;font-weight:600;display:inline-block}.label.primary{color:#9d5b8b;background:#ffe6fa}.label.info{color:#3e999f;background:#e3fdf5}.label.success{color:#0a7426;background:#fcfff5}.label.warning{color:#eab700;background:#fffbeb}.label.danger{color:#e9546b;background:#fff2f5}ruby{font-family:inherit}ruby rt{color:var(--primary-color);font-size:.7em}ol>li.quiz{cursor:pointer;margin-bottom:1.5rem;padding-left:.5rem;position:relative}ol>li.quiz:before{content:"📝 习题";color:var(--primary-color);background:var(--grey-2);border-radius:.25rem;margin-right:.5rem;padding:.1rem .4rem;font-size:.75rem;font-weight:700;display:inline-block}ol>li.quiz.true:before{content:"✅ 判断题 (对)"}ol>li.quiz.false:before{content:"❌ 判断题 (错)"}ol>li.quiz.multi:before{content:"☑️ 多选题"}ol>li.quiz.fill:before{content:"✏️ 填空题"}ol>li.quiz ul.options{margin:.75rem 0;padding:0;list-style:none}ol>li.quiz ul.options li{background:var(--grey-2);cursor:pointer;border-radius:.375rem;margin:.35rem 0;padding:.4rem .8rem;transition:all .2s}ol>li.quiz ul.options li:hover{background:var(--grey-3)}ol>li.quiz ul.options li.right{color:#0a7426;border-left:.25rem solid #0a7426;font-weight:700;background:#fcfff5!important}ol>li.quiz ul.options li.wrong{color:#e9546b;border-left:.25rem solid #e9546b;text-decoration:line-through;background:#fff2f5!important}ol>li.quiz blockquote{margin-top:.75rem;animation:.3s fadeIn;display:none}ol>li.quiz.show blockquote{display:block}span.gap{border-bottom:2px solid var(--text-color);color:#0000;cursor:pointer;padding:0 .5rem;transition:color .2s}span.gap:hover,ol>li.quiz.show span.gap{color:var(--primary-color)}span.mistake{color:var(--color-red);text-decoration:underline wavy var(--color-red)}.mermaid{text-align:center;background:var(--grey-1);border-radius:.5rem;margin:1.5rem 0;padding:1rem}:root[data-theme=dark] .label.primary,html[data-theme=dark] .label.primary{color:var(--color-purple);background:#9d5b8b40}:root[data-theme=dark] .label.info,html[data-theme=dark] .label.info{color:var(--color-aqua);background:#3e999f40}:root[data-theme=dark] .label.success,html[data-theme=dark] .label.success{color:var(--color-green);background:#86c59d40}:root[data-theme=dark] .label.warning,html[data-theme=dark] .label.warning{color:var(--color-yellow);background:#ffe17540}:root[data-theme=dark] .label.danger,html[data-theme=dark] .label.danger{color:var(--color-red);background:#ed768940}:root[data-theme=dark] ol>li.quiz ul.options li.right,html[data-theme=dark] ol>li.quiz ul.options li.right{border-left:.25rem solid var(--color-green);color:var(--color-green);background:#86c59d2e!important}:root[data-theme=dark] ol>li.quiz ul.options li.wrong,html[data-theme=dark] ol>li.quiz ul.options li.wrong{border-left:.25rem solid var(--color-red);color:var(--color-red);background:#ed76892e!important}:root[data-theme=dark] .collapse .collapse-title,html[data-theme=dark] .collapse .collapse-title{background:var(--grey-2)}:root[data-theme=dark] .collapse .collapse-content,html[data-theme=dark] .collapse .collapse-content{background:var(--grey-1);border-color:var(--grey-2)}:root[data-theme=dark] .tabs,html[data-theme=dark] .tabs{border-color:var(--grey-2);background:var(--grey-1)}:root[data-theme=dark] .tabs .nav,html[data-theme=dark] .tabs .nav{background:var(--grey-2)}.post-recommendations[data-astro-cid-lluvtww5]{box-sizing:border-box;user-select:none;width:100%;margin:3.5rem 0 2rem;padding-top:2.25rem;position:relative}.recommendations-grid[data-astro-cid-lluvtww5]{box-sizing:border-box;grid-template-columns:1fr 1fr;gap:3.5rem;width:100%;display:grid}@media (width<=768px){.recommendations-grid[data-astro-cid-lluvtww5]{grid-template-columns:1fr;gap:2.5rem}}.rec-column[data-astro-cid-lluvtww5]{flex-direction:column;min-width:0;display:flex}.rec-column-title[data-astro-cid-lluvtww5]{color:#fff;letter-spacing:-.01em;margin:0 0 1.5rem;padding:0;font-size:1.45rem;font-weight:700;line-height:1.3}html:not([data-theme=dark]) .rec-column-title[data-astro-cid-lluvtww5]{color:#1e293b}.rec-list[data-astro-cid-lluvtww5]{flex-direction:column;gap:1.35rem;margin:0;padding:0;list-style:none;display:flex}.rec-item[data-astro-cid-lluvtww5]{align-items:flex-start;gap:.85rem;min-width:0;display:flex;position:relative}.rec-num[data-astro-cid-lluvtww5]{color:#64748b;font-variant-numeric:tabular-nums;text-align:right;user-select:none;flex-shrink:0;width:.85rem;padding-top:.05rem;font-size:.85rem;font-weight:500;line-height:1.35;transition:color .2s}html[data-theme=dark] .rec-num[data-astro-cid-lluvtww5],html.dark .rec-num[data-astro-cid-lluvtww5]{color:#555167}.rec-body[data-astro-cid-lluvtww5]{flex-direction:column;flex:1;gap:.25rem;min-width:0;display:flex}.rec-meta[data-astro-cid-lluvtww5]{align-items:center;line-height:1.35;display:flex}.rec-category[data-astro-cid-lluvtww5]{color:#8c899e;white-space:nowrap;text-overflow:ellipsis;max-width:100%;font-size:.8rem;font-weight:400;text-decoration:none;transition:color .2s;overflow:hidden}html:not([data-theme=dark]) .rec-category[data-astro-cid-lluvtww5]{color:#64748b}.rec-category[data-astro-cid-lluvtww5]:hover{color:var(--primary-color,#ed6ea0);text-decoration:underline}.rec-title[data-astro-cid-lluvtww5]{color:#ded9e7;-webkit-line-clamp:2;word-break:break-word;-webkit-box-orient:vertical;font-size:.965rem;font-weight:500;line-height:1.5;text-decoration:none;transition:color .22s,transform .2s;display:-webkit-box;overflow:hidden}html:not([data-theme=dark]) .rec-title[data-astro-cid-lluvtww5]{color:#1e293b;font-weight:600}.rec-title[data-astro-cid-lluvtww5]:hover{color:var(--primary-color,#ed6ea0)!important}.rec-item[data-astro-cid-lluvtww5]:hover .rec-num[data-astro-cid-lluvtww5]{color:var(--primary-color,#ed6ea0)}.post.block footer:before,article.post footer:before{display:none!important}.tags[data-astro-cid-vt34qafq]{flex-wrap:wrap;gap:.5rem;margin-top:2rem;display:flex}.tags[data-astro-cid-vt34qafq] a[data-astro-cid-vt34qafq]{backdrop-filter:blur(8px);color:var(--grey-6,#666);background:#0000000a;border-radius:1rem;align-items:center;gap:.35rem;padding:.35rem .85rem;font-size:.825rem;text-decoration:none;transition:all .25s cubic-bezier(.16,1,.3,1);display:inline-flex;box-shadow:inset 0 0 0 1px #0000000f}html[data-theme=dark] .tags[data-astro-cid-vt34qafq] a[data-astro-cid-vt34qafq],html.dark .tags[data-astro-cid-vt34qafq] a[data-astro-cid-vt34qafq]{color:#b0abc0;background:#ffffff0f;box-shadow:inset 0 0 0 1px #ffffff14}.tags[data-astro-cid-vt34qafq] a[data-astro-cid-vt34qafq]:hover{background:var(--primary-color,#ed6ea0);color:#fff;transform:translateY(-1.5px);box-shadow:0 4px 12px #ed6ea059}