:root{--blue: #1956d2;--blue-dark: #123c86;--ink: #20324a;--muted: #596b80;--line: #d7e0e9;--wash: #f3f6fa;--paper: #fff;--focus: #1956d2;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:16px;color:var(--ink);background:var(--paper);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:24px}*{box-sizing:border-box}body{margin:0;line-height:1.75}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a{color:inherit;text-decoration:none}button{color:inherit}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}::selection{background:#dce8ff;color:#143b80}:focus-visible{outline:3px solid var(--focus);outline-offset:5px}input,textarea{caret-color:var(--blue)}*{scrollbar-color:#aabbd1 #f3f6fa;scrollbar-width:thin}::placeholder{color:#65768b;opacity:1}[hidden]{display:none!important}.container{width:min(1160px,calc(100% - 96px));margin-inline:auto}.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link:focus{position:fixed;top:8px;left:8px;z-index:20;padding:10px 18px;background:#fff;color:var(--blue)}.site-header{border-top:4px solid var(--blue);border-bottom:1px solid var(--line);background:#fff}.header-inner{display:flex;align-items:center;gap:32px;min-height:100px;position:relative}.brand{display:flex;align-items:center;gap:9px;flex-shrink:0}.brand-mark{width:48px;height:40px;object-fit:contain}.brand-word{font-size:25px;font-weight:700;line-height:1.1;letter-spacing:-.025em;color:var(--blue-dark)}.brand-cn{display:block;margin-top:6px;font-size:13px;font-weight:500;letter-spacing:.18em}.main-nav{display:flex;gap:24px;align-items:center;margin-left:auto;font-size:14px}.main-nav a{white-space:nowrap;padding-block:12px}.main-nav a:hover,.text-link:hover,.reading-back:hover{color:var(--blue);text-decoration:underline;text-underline-offset:5px}.header-tools{display:flex;align-items:center;gap:14px;flex-shrink:0;font-size:13px}.language-control select{padding:8px 22px 8px 8px;max-width:110px;border:1px solid var(--line);border-radius:2px;background:#fff;color:var(--ink);cursor:pointer;font-size:13px}.member-register{border:1px solid var(--blue);padding:5px 11px;color:var(--blue);border-radius:2px;white-space:nowrap}.member-login{white-space:nowrap}.member-login:hover,.member-register:hover{color:var(--blue-dark);text-decoration:underline;text-underline-offset:4px}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(0,1fr);gap:90px;padding-block:68px 58px;align-items:end}.hero h1{font-size:clamp(32px,3.2vw,46px);line-height:1.4;font-weight:500;letter-spacing:-.025em}.hero h1 span,.hero h1 strong{display:block}.hero h1 strong{color:var(--blue-dark);font-weight:650}.hero-description{font-size:16px;color:var(--muted);line-height:1.9;max-width:36em;margin-block:22px}.hero-description span{display:block}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 22px;border:1px solid var(--blue);border-radius:2px;background:#fff;color:var(--blue);font-size:14px;font-weight:600;cursor:pointer}.button.primary{background:var(--blue);color:#fff}.button.primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}.button:disabled{cursor:wait;opacity:.75}.hero-aside{border-top:2px solid var(--blue-dark);padding-top:22px;margin-bottom:4px}.intro-heading{font-size:20px;font-weight:600;color:var(--blue-dark);margin-bottom:12px}.hero-aside>p:not(.intro-heading){color:var(--muted);margin-bottom:24px;font-size:15px}.text-link{display:inline-block;color:var(--blue);font-weight:550;font-size:14px;text-decoration:underline;text-underline-offset:6px;background:none;border:0;padding:0;cursor:pointer}.section{padding-block:38px}.services{border-top:1px solid var(--line)}.section-top{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:20px}h2{font-size:26px;line-height:1.4;letter-spacing:-.015em;font-weight:600}.section-intro{max-width:46em;color:var(--muted);font-size:14px}.service-grid{border-top:1px solid var(--line)}.service-card{display:grid;grid-template-columns:minmax(155px,1fr) minmax(0,3fr) minmax(96px,.7fr);align-items:baseline;gap:26px;width:100%;padding:24px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;line-height:1.8}.service-card:disabled{opacity:1;cursor:default}.service-card:not(:disabled){cursor:pointer}.service-card:not(:disabled):hover{background:var(--wash)}.service-title{font-size:18px;font-weight:600;color:var(--blue-dark)}.service-description{color:var(--muted);font-size:14px}.service-action{font-size:12px;color:var(--muted);text-align:right;white-space:normal}.information-layout{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(0,1fr);gap:64px}.news .section-top{align-items:flex-start;flex-wrap:wrap;gap:8px}.content-status{font-size:12px;color:var(--muted)}.news-row{border-bottom:1px solid var(--line)}.news-link{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:24px;padding:21px 0}.news-title{font-size:16px;line-height:1.65;font-weight:500}.news-date{grid-column:1;font-size:12px;color:var(--muted);margin-top:7px;font-variant-numeric:tabular-nums}.news-arrow{grid-column:2;grid-row:1/3;color:var(--blue);align-self:center}.news-link:hover .news-title{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.sources h2{margin-bottom:20px}.sources>p{font-size:14px;color:var(--muted)}.source-links{display:flex;flex-direction:column;align-items:flex-start;gap:9px;margin-block:20px}.source-links a{font-size:14px;text-decoration:underline;text-underline-offset:5px;color:var(--blue-dark)}.sources .sources-note{font-size:12px}.contact-section{border-top:1px solid var(--line);padding-block:56px;margin-top:24px;background:var(--wash)}.contact-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.45fr);gap:80px}.contact-intro h2{margin-bottom:18px}.contact-intro>p{max-width:30em;font-size:15px;color:var(--muted)}.contact-intro .contact-direct-label{font-size:13px;margin-top:28px;margin-bottom:8px}.contact-direct{font-size:19px;font-weight:500;color:var(--blue-dark);overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:5px}.contact-window{min-width:0}.contact-field{margin-bottom:20px}.contact-field label{font-size:14px;font-weight:600;display:block}.contact-field input,.contact-field textarea{width:100%;margin-top:8px;border:1px solid #92a4b9;border-radius:2px;background:#fff;padding:11px 13px;color:var(--ink);line-height:1.7}.contact-field textarea{min-height:150px;resize:vertical}.contact-label-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px}.contact-count{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.contact-hint{font-size:12px;color:var(--muted);margin-top:6px}.contact-submit-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.contact-privacy{font-size:12px;color:var(--muted)}.contact-status{font-size:14px;color:var(--blue-dark);margin-top:14px;overflow-wrap:anywhere}.contact-trap{position:absolute!important;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}.contact-success{border-top:2px solid var(--blue);padding-top:24px}.contact-success-mark{width:28px;height:28px;color:var(--blue);margin-bottom:16px}.contact-success h3{font-size:21px;margin-bottom:14px}.contact-success p{font-size:14px;overflow-wrap:anywhere}.contact-success .text-link{margin-top:24px}.site-footer{background:#15345d;color:#fff;padding-block:28px 18px}.footer-main{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer-brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:600}.footer-brand span{font-size:13px;font-weight:400}.footer-main>.contact,.footer-reading-links{display:flex;align-items:center;flex-wrap:wrap;gap:20px;font-size:13px}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid #486080;margin-top:22px;padding-top:16px;font-size:12px;color:#d7e3f2}.footer-reading-links .text-link{color:#fff}.footer-main a:hover{text-decoration:underline;text-underline-offset:5px}.loading-state,.empty-state,.error-state{font-size:14px;padding-block:24px;color:var(--muted)}.retry-button{margin-top:12px;border:1px solid var(--blue);padding:6px 14px;border-radius:2px;background:#fff;color:var(--blue);cursor:pointer}.noscript-notice{padding:20px;background:var(--wash);font-size:14px}.reading-page{max-width:850px;padding-block:48px 64px;min-height:65vh}.reading-back{display:inline-block;color:var(--blue);font-size:14px;margin-bottom:30px}.reading-page h1{font-size:clamp(27px,3vw,38px);line-height:1.5;font-weight:600}.reading-meta{font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:22px;margin-top:18px}.reading-body{font-size:16px;line-height:2}.reading-body p{margin-block:22px}.reading-body a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.reading-note{font-size:12px;color:var(--muted);margin-top:36px}.article-home-link{margin-left:auto}.member-page{max-width:850px;padding-block:42px 72px;min-height:65vh}.member-page h1{font-size:32px;font-weight:600}.member-tabs{display:flex;gap:32px;border-bottom:1px solid var(--line);margin-top:26px}.member-tabs a{padding-block:12px;font-size:15px}.member-tabs [aria-current=page]{border-bottom:2px solid var(--blue);color:var(--blue)}.member-notice{padding-block:32px}.member-notice h2{font-size:23px;margin-bottom:18px}.member-notice p{color:var(--muted);margin-block:10px;font-size:15px}.member-notice .button{margin-top:20px}@media(min-width:1000px){.hero-copy{animation:arrive .5s cubic-bezier(.16,1,.3,1)}}@keyframes arrive{0%{translate:0 8px}to{translate:0 0}}@media(max-width:1100px){.header-inner{gap:20px}.main-nav{gap:16px}.header-tools{gap:10px}.hero{gap:54px}.contact-layout{gap:48px}.information-layout{gap:40px}.brand-word{font-size:23px}.main-nav{font-size:13px}}@media(max-width:999px){.container{width:calc(100% - 56px)}.header-inner{flex-wrap:wrap;gap:12px;min-height:84px;padding-block:16px}.header-tools{margin-left:auto}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:6px;order:3;width:42px;height:42px;background:none;border:1px solid var(--line);border-radius:2px;padding:10px}.menu-toggle span{display:block;width:20px;height:1px;background:var(--ink)}.main-nav{display:none;order:4;width:100%;margin-left:0;flex-wrap:wrap;gap:4px 28px;border-top:1px solid var(--line);padding-top:10px}.main-nav.is-open{display:flex}.main-nav a{padding:10px 0}.hero{padding-block:44px;gap:36px;grid-template-columns:1.7fr 1fr}.hero h1{font-size:36px}.hero-description{font-size:15px}.intro-heading{font-size:18px}.service-card{grid-template-columns:minmax(140px,1fr) minmax(0,2.5fr) minmax(80px,.7fr);gap:20px}.information-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px}.article-home-link{display:none}.section-top{align-items:flex-start;flex-direction:column;gap:10px}.footer-bottom{align-items:flex-start}}@media(max-width:639px){.container{width:calc(100% - 40px)}.header-inner{min-height:0;padding-block:12px;gap:12px}.brand-mark{width:38px;height:34px}.brand{gap:6px}.brand-word{font-size:22px}.brand-cn{font-size:11px;margin-top:4px}.header-tools{gap:12px}.language-control select{max-width:94px;padding:7px 18px 7px 7px;font-size:12px}.header-tools .member-login,.header-tools .member-register{font-size:12px}.member-register{padding:4px 9px}.menu-toggle{width:36px;height:36px;padding:7px}.hero{grid-template-columns:1fr;gap:32px;padding-block:34px 32px}.hero h1{font-size:34px;line-height:1.45}.hero-description{font-size:15px;margin-block:18px 22px}.hero-aside{padding-top:16px;margin-bottom:0}.intro-heading{font-size:17px;margin-bottom:8px}.hero-aside>p:not(.intro-heading){font-size:14px;margin-bottom:12px}.section{padding-block:28px}h2{font-size:23px}.section-intro{font-size:13px}.service-card{grid-template-columns:minmax(0,1fr) auto;gap:6px 16px;padding-block:18px}.service-title{font-size:17px}.service-description{grid-row:2;grid-column:1/-1;font-size:13px;line-height:1.8;max-width:42em}.service-action{grid-row:1;grid-column:2;font-size:11px;max-width:90px}.information-layout{grid-template-columns:1fr;gap:0}.news-link{padding-block:18px}.news-title{font-size:15px}.sources{border-top:1px solid var(--line)}.source-links{flex-direction:row;flex-wrap:wrap;gap:12px 22px}.contact-section{margin-top:8px;padding-block:30px}.contact-layout{grid-template-columns:1fr;gap:28px}.contact-intro h2{margin-bottom:12px}.contact-intro .contact-direct-label{margin-top:16px}.contact-direct{font-size:18px}.contact-field{margin-bottom:18px}.contact-submit-row{gap:12px}.contact-submit-row .button{width:100%}.footer-main{flex-direction:column;align-items:flex-start;gap:20px}.footer-brand{font-size:21px}.footer-bottom{flex-direction:column;gap:8px;font-size:11px}.reading-page,.member-page{padding-block:30px 44px}.reading-page h1{font-size:27px}.reading-body{font-size:15px}.member-page h1{font-size:28px}.member-tabs{gap:22px}.member-tabs a{font-size:14px}.member-notice h2{font-size:21px}}@media(max-width:389px){.header-inner{column-gap:8px}.header-tools{order:3;width:100%;justify-content:flex-end;border-top:1px solid var(--line);padding-top:10px}.menu-toggle{order:2;margin-left:auto}.main-nav{order:4}.hero h1{font-size:30px}.hero-description span{display:inline}.brand-word{font-size:22px}}@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}.translation-service h2{font-size:24px;color:var(--blue-dark);margin-bottom:16px}.translation-service>p{font-size:14px;margin-bottom:16px}.translation-service>.translation-note{font-size:12px;margin-bottom:20px}.translation-service{scroll-margin-top:24px}@media(max-width:1199px)and (min-width:1000px){.header-inner{flex-wrap:wrap;padding-block:16px;gap:16px}.header-tools{margin-left:auto}.menu-toggle{display:flex;order:3;flex-direction:column;justify-content:center;gap:6px;width:42px;height:42px;background:none;border:1px solid var(--line);padding:10px}.menu-toggle span{width:20px;height:1px;background:var(--ink)}.main-nav{display:none;order:4;width:100%;margin-left:0;padding-top:12px;border-top:1px solid var(--line)}.main-nav.is-open{display:flex}}
