*,:after,:before{margin:0;padding:0;box-sizing:inherit;font-family:Poppins,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,Noto Sans CJK SC,Source Han Sans SC,sans-serif}html{box-sizing:border-box;font-size:62.5%}:root{--navbar-gap:12px;--navbar-bar:64px;--navbar-side:max(16px,calc(var(--gutter) - 24px));--navbar-height:calc(var(--navbar-gap) + var(--navbar-bar))}@media(max-width:1260px){:root{--navbar-side:16px}}@media(max-width:640px){:root{--navbar-gap:8px;--navbar-bar:56px;--navbar-side:8px}}html:lang(zh-Hans){line-break:strict;word-break:normal;overflow-wrap:break-word;font-synthesis:weight;text-wrap:pretty}html:lang(zh-Hans) :is(h1,h2,h3,h4,h5,h6){text-wrap:balance}a{text-decoration:none;color:#1a202c}@media only screen and (max-width:600px){.rec .rec-dot{width:.64rem;height:.64rem}.rec .rec-arrow-left,.rec .rec-arrow-right{font-size:1.6rem}.rec .rec-arrow:focus:enabled,.rec .rec-arrow:hover:enabled{background-color:#005a8d;box-shadow:0 0 2px 0 #f9f9f9}}@media only screen and (min-width:700px){.rec .rec-dot{width:1.2rem;height:1.2rem}.rec .rec-arrow-left,.rec .rec-arrow-right{font-size:2.4rem}.rec .rec-arrow:focus:enabled,.rec .rec-arrow:hover:enabled{background-color:#005a8d;box-shadow:0 0 2px 0 #f9f9f9}}.rec .rec-pagination{margin-top:4rem}.rec .rec-dot_active{background-color:#005a8d}.rec .rec-dot:focus,.rec .rec-dot:hover,.rec .rec-dot_active,.rec .rec-dot_active :focus{box-shadow:0 0 1px 3px #005a8d}.rec .rec-arrow{background-color:#f9f9f9;box-shadow:0 0 2px 0 #f9f9f9}.rec .rec-arrow:focus:enabled,.rec .rec-arrow:hover:enabled{background-color:#005a8d;box-shadow:0 0 2px 0 #f9f9f9}.rec .rec-arrow-left,.rec .rec-arrow-right{color:#005a8d}.rec .rec-arrow-left:hover,.rec .rec-arrow-right:hover{color:#718096}:root{--pink-50:#fdf2f6;--pink-100:#fbe5ec;--pink-200:#f7c5d6;--pink-300:#f292b5;--pink-400:#ee6396;--pink-500:#ed5189;--pink-600:#cb2a5f;--pink-700:#a9234b;--pink-800:#841f3a;--pink-900:#571928;--surface:#fff;--paper:#fbf7f3;--sand:#f4ece6;--ink:#2b2421;--ink-2:#5e544e;--ink-3:#6f645d;--rule:#e5d8cf;--rule-strong:#dcccc1;--rose:var(--pink-700);--rose-display:var(--pink-600);--cta:var(--pink-600);--cta-hover:var(--pink-700);--cta-active:var(--pink-800);--night:#3b1f22;--on-night:#f7f0eb;--on-night-2:#dccbc6;--on-night-rose:var(--pink-300);--night-rule:hsla(25,43%,95%,.14);--level-basic:#dfeae2;--level-basic-ink:#2f5d47;--level-basic-faint:rgba(47,93,71,.24);--level-intermediate:#f3e4c6;--level-intermediate-ink:#6b470e;--level-intermediate-faint:rgba(107,71,14,.24);--level-advanced:#e9e4f2;--level-advanced-ink:#563f86;--level-advanced-faint:rgba(86,63,134,.24);--nav-ink:#1c1e24;--nav-ink-2:#4b5563;--nav-chip:#f2f3f5;--nav-chip-strong:#e7e8ec;--nav-line:#e6e6ea;--nav-line-soft:#ededf0;--nav-shadow-menu:0 2px 4px rgba(16,24,40,.06),0 12px 24px rgba(16,24,40,.08);--serif:var(--font-newsreader,"Newsreader"),"Noto Serif SC","Songti SC",Georgia,serif;--sans:var(--font-jakarta,"Plus Jakarta Sans"),"Noto Sans SC","PingFang SC",system-ui,-apple-system,"Segoe UI",sans-serif;--fs-display:clamp(4rem,2.08rem + 4.6vw,8.8rem);--fs-h2:clamp(3.4rem,2.48rem + 2.1vw,5.6rem);--fs-h3:clamp(2.6rem,2.24rem + 0.8vw,3.4rem);--fs-quote:clamp(2.6rem,1.92rem + 1.5vw,4rem);--fs-lead:clamp(1.8rem,1.68rem + 0.3vw,2rem);--fs-body:clamp(1.6rem,1.552rem + 0.15vw,1.7rem);--fs-small:1.4rem;--fs-eyebrow:1.2rem;--gutter:clamp(20px,5vw,64px);--section:clamp(80px,10vw,152px);--max:1240px;--radius-btn:8px}.editorial{color:var(--ink);font-family:var(--sans);font-size:var(--fs-body);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#__next,.editorial-page{background-color:var(--surface)}:where(.editorial) *,:where(.editorial) :after,:where(.editorial) :before{font-family:inherit}:where(.editorial) :is(ol,ul){list-style:none}:where(.editorial) a{color:inherit}:where(.editorial) img{display:block;max-width:100%}:where(.editorial) :is(button,a):focus-visible{outline:2px solid var(--focus,var(--pink-600));outline-offset:2px}[data-step-heading]{scroll-margin-top:calc(var(--navbar-height, 0px) + 24px)}[data-step-heading]:focus{outline:none}[data-step-heading]:focus-visible{outline:2px solid var(--focus,var(--pink-600));outline-offset:4px;border-radius:4px}@font-face{font-family:Newsreader Fallback;font-style:normal;font-weight:1 349;src:local("Times New Roman"),local("TimesNewRomanPSMT"),local("Liberation Serif"),local("LiberationSerif");size-adjust:103.75%;ascent-override:70.84%;descent-override:25.54%;line-gap-override:0%}@font-face{font-family:Newsreader Fallback;font-style:normal;font-weight:350 549;src:local("Times New Roman"),local("TimesNewRomanPSMT"),local("Liberation Serif"),local("LiberationSerif");size-adjust:104%;ascent-override:70.67%;descent-override:25.48%;line-gap-override:0%}@font-face{font-family:Newsreader Fallback;font-style:italic;font-weight:1 349;src:local("Times New Roman Italic"),local("TimesNewRomanPS-ItalicMT"),local("Liberation Serif Italic"),local("LiberationSerif-Italic");size-adjust:94%;ascent-override:78.19%;descent-override:28.19%;line-gap-override:0%}@font-face{font-family:Newsreader Fallback;font-style:italic;font-weight:350 549;src:local("Times New Roman Italic"),local("TimesNewRomanPS-ItalicMT"),local("Liberation Serif Italic"),local("LiberationSerif-Italic");size-adjust:107.4%;ascent-override:68.44%;descent-override:24.67%;line-gap-override:0%}@font-face{font-family:Newsreader Fallback Noto;font-style:normal;font-weight:1 349;src:local("Noto Serif"),local("NotoSerif"),local("NotoSerif-Regular");size-adjust:87%;ascent-override:84.48%;descent-override:30.46%;line-gap-override:0%}@font-face{font-family:Newsreader Fallback Noto;font-style:normal;font-weight:350 549;src:local("Noto Serif"),local("NotoSerif"),local("NotoSerif-Regular");size-adjust:88.25%;ascent-override:83.29%;descent-override:30.03%;line-gap-override:0%}@font-face{font-family:Newsreader Fallback Noto;font-style:italic;font-weight:1 349;src:local("Noto Serif Italic"),local("NotoSerif-Italic");size-adjust:80%;ascent-override:91.88%;descent-override:33.12%;line-gap-override:0%}@font-face{font-family:Newsreader Fallback Noto;font-style:italic;font-weight:350 549;src:local("Noto Serif Italic"),local("NotoSerif-Italic");size-adjust:99.6%;ascent-override:73.8%;descent-override:26.61%;line-gap-override:0%}.Navbar_bar__UIYpF{position:-webkit-sticky;position:sticky;top:0;z-index:999;height:var(--navbar-height);padding:var(--navbar-gap) var(--navbar-side) 0;pointer-events:none}@media print{.Navbar_bar__UIYpF{display:none}}.Navbar_capsule__0L_aI{display:flex;align-items:center;width:100%;max-width:calc(var(--max) + 48px);height:var(--navbar-bar);margin-inline:auto;padding:0 9px 0 23px;border:1px solid rgba(16,24,40,.08);border-radius:999px;background-color:hsla(0,0%,100%,.88);box-shadow:0 1px 2px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.1);color:var(--nav-ink);pointer-events:auto;backdrop-filter:blur(18px) saturate(1.5);-webkit-backdrop-filter:blur(18px) saturate(1.5)}@supports not (((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))) or (-webkit-backdrop-filter:blur(1px))){.Navbar_capsule__0L_aI{background-color:var(--surface)}}@media(max-width:640px){.Navbar_capsule__0L_aI{padding:0 5px 0 17px}}.Navbar_capsuleSolid__G991d{position:relative;z-index:1;flex:none;background-color:var(--surface);box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}.Navbar_logo__Lhv4z{position:relative;display:block;width:105px;height:32px}@media(max-width:640px){.Navbar_logo__Lhv4z{width:85px;height:26px}}.Navbar_capsule__0L_aI .Navbar_cta__v8ume{min-height:44px;padding:0 20px;border-radius:999px;font-size:1.4rem;letter-spacing:0}@media(max-width:640px){.Navbar_capsule__0L_aI .Navbar_cta__v8ume{display:none}}.Navbar_burger__HBmR4{flex:none;display:grid;place-items:center;align-content:center;grid-gap:6px;gap:6px;width:44px;height:44px;padding:0;border:0;border-radius:50%;background-color:var(--nav-chip);color:var(--nav-ink);cursor:pointer;-webkit-tap-highlight-color:rgba(0,0,0,0);transition:background-color .15s}.Navbar_burger__HBmR4>span{display:block;width:22px;height:1.5px;border-radius:1px;background-color:currentColor}.Navbar_burger__HBmR4>svg{display:block;width:20px;height:20px}@media(hover:hover){.Navbar_burger__HBmR4:hover{background-color:var(--nav-chip-strong)}}.Navbar_burger__HBmR4:active{background-color:var(--nav-chip-strong)}@media(max-width:1180px){.Navbar_desktopOnly__Wt3ZH{display:none}}@media not all and (max-width:1180px){.Navbar_mobileOnly__c9mNU{display:none}}.Navbar_placeholderBurger__sJYsd{margin-left:auto}.Layout_main__d1zXz{min-height:calc(100vh - var(--navbar-height))}@supports(height:100svh){.Layout_main__d1zXz{min-height:calc(100svh - var(--navbar-height))}}@font-face{font-family:__Newsreader_ee5d09;font-style:italic;font-weight:200 800;font-display:swap;src:url(/_next/static/media/fc61cfb200d549a5.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01a0-01a1,U+01af-01b0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1ea0-1ef9,U+20ab}@font-face{font-family:__Newsreader_ee5d09;font-style:italic;font-weight:200 800;font-display:swap;src:url(/_next/static/media/fe6c4b8cc116014d.woff2) format("woff2");unicode-range:U+0100-02ba,U+02bd-02c5,U+02c7-02cc,U+02ce-02d7,U+02dd-02ff,U+0304,U+0308,U+0329,U+1d00-1dbf,U+1e00-1e9f,U+1ef2-1eff,U+2020,U+20a0-20ab,U+20ad-20c4,U+2113,U+2c60-2c7f,U+a720-a7ff}@font-face{font-family:__Newsreader_ee5d09;font-style:italic;font-weight:200 800;font-display:swap;src:url(/_next/static/media/8edf6d3506a17285.p.woff2) format("woff2");unicode-range:U+00??,U+0131,U+0152-0153,U+02bb-02bc,U+02c6,U+02da,U+02dc,U+0304,U+0308,U+0329,U+2000-206f,U+20ac,U+2122,U+2191,U+2193,U+2212,U+2215,U+feff,U+fffd}@font-face{font-family:__Newsreader_ee5d09;font-style:normal;font-weight:200 800;font-display:swap;src:url(/_next/static/media/b5963afcf1479527.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01a0-01a1,U+01af-01b0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1ea0-1ef9,U+20ab}@font-face{font-family:__Newsreader_ee5d09;font-style:normal;font-weight:200 800;font-display:swap;src:url(/_next/static/media/5ed7d4ff5e59016d.woff2) format("woff2");unicode-range:U+0100-02ba,U+02bd-02c5,U+02c7-02cc,U+02ce-02d7,U+02dd-02ff,U+0304,U+0308,U+0329,U+1d00-1dbf,U+1e00-1e9f,U+1ef2-1eff,U+2020,U+20a0-20ab,U+20ad-20c4,U+2113,U+2c60-2c7f,U+a720-a7ff}@font-face{font-family:__Newsreader_ee5d09;font-style:normal;font-weight:200 800;font-display:swap;src:url(/_next/static/media/84adbee2f2a7cb50.p.woff2) format("woff2");unicode-range:U+00??,U+0131,U+0152-0153,U+02bb-02bc,U+02c6,U+02da,U+02dc,U+0304,U+0308,U+0329,U+2000-206f,U+20ac,U+2122,U+2191,U+2193,U+2212,U+2215,U+feff,U+fffd}.__className_ee5d09{font-family:__Newsreader_ee5d09,Newsreader Fallback,Newsreader Fallback Noto}@font-face{font-family:__Plus_Jakarta_Sans_532bb9;font-style:normal;font-weight:200 800;font-display:swap;src:url(/_next/static/media/6fe53d21e6e7ebd8-s.woff2) format("woff2");unicode-range:U+0460-052f,U+1c80-1c8a,U+20b4,U+2de0-2dff,U+a640-a69f,U+fe2e-fe2f}@font-face{font-family:__Plus_Jakarta_Sans_532bb9;font-style:normal;font-weight:200 800;font-display:swap;src:url(/_next/static/media/8ebc6e9dde468c4a-s.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01a0-01a1,U+01af-01b0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1ea0-1ef9,U+20ab}@font-face{font-family:__Plus_Jakarta_Sans_532bb9;font-style:normal;font-weight:200 800;font-display:swap;src:url(/_next/static/media/9e7b0a821b9dfcb4-s.woff2) format("woff2");unicode-range:U+0100-02ba,U+02bd-02c5,U+02c7-02cc,U+02ce-02d7,U+02dd-02ff,U+0304,U+0308,U+0329,U+1d00-1dbf,U+1e00-1e9f,U+1ef2-1eff,U+2020,U+20a0-20ab,U+20ad-20c4,U+2113,U+2c60-2c7f,U+a720-a7ff}@font-face{font-family:__Plus_Jakarta_Sans_532bb9;font-style:normal;font-weight:200 800;font-display:swap;src:url(/_next/static/media/636a5ac981f94f8b-s.p.woff2) format("woff2");unicode-range:U+00??,U+0131,U+0152-0153,U+02bb-02bc,U+02c6,U+02da,U+02dc,U+0304,U+0308,U+0329,U+2000-206f,U+20ac,U+2122,U+2191,U+2193,U+2212,U+2215,U+feff,U+fffd}@font-face{font-family:__Plus_Jakarta_Sans_Fallback_532bb9;src:local("Arial");ascent-override:98.75%;descent-override:21.12%;line-gap-override:0.00%;size-adjust:105.12%}.__className_532bb9{font-family:__Plus_Jakarta_Sans_532bb9,__Plus_Jakarta_Sans_Fallback_532bb9;font-style:normal}