:root{--ink:#203148;--muted:#617186;--navy:#172b43;--line:#dde4eb;--paper:#fff;--soft:#f5f7f9;--gold:#e5ad43;--gold-soft:#f7ebd5;--radius:19px;--shadow:0 16px 42px rgba(27,48,72,.06)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit}
button,a,summary{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid #d69b31;outline-offset:4px}
.container{width:min(100% - 48px,1192px);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-notice{background:#15283d;color:#eaf0f6;font-size:12px;letter-spacing:.045em;line-height:1.5;padding:8px 0;text-align:center}
.site-notice span{color:var(--gold);padding:0 8px}
.site-header{position:relative;z-index:20;background:#fff;border-bottom:1px solid #e8edf1}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:82px}
.brand{display:inline-flex;align-items:center;gap:12px;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:var(--navy);color:#fff;border-radius:12px;font-weight:800;letter-spacing:-.14em;padding-right:4px;font-size:17px;line-height:1}
.brand-mark span{color:var(--gold)}
.brand-word{font-size:20px;font-weight:700;letter-spacing:.07em;line-height:1.1}
.brand-word small{display:block;font-size:9px;letter-spacing:.17em;color:#8794a1;margin-top:5px;font-weight:700}
.primary-nav{display:flex;align-items:center;gap:4px}
.primary-nav a{display:block;padding:9px 12px;border-radius:9px;font-size:13px;font-weight:650;color:#4e5f71;transition:background .2s,color .2s}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:#f1f4f6;color:var(--navy)}
.menu-toggle{display:none;border:0;background:transparent;width:43px;height:43px;padding:9px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:var(--navy);border-radius:2px;margin:5px 0}
.hero{overflow:hidden;background:linear-gradient(116deg,#f7f9fa 0%,#f8fafb 60%,#f2f5f7 100%);border-bottom:1px solid #ecf0f3}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;align-items:center;min-height:570px;gap:24px}
.hero-copy{padding:72px 0 78px;position:relative;z-index:1}
.hero-kicker,.section-index,.eyebrow{display:inline-block;font-size:11px;line-height:1.4;font-weight:800;letter-spacing:.17em;text-transform:uppercase;color:#b17b20}
.hero-kicker{color:#5d6d7e;letter-spacing:.09em}
.pulse-dot{display:inline-block;width:7px;height:7px;background:var(--gold);border-radius:50%;vertical-align:2px;margin-right:5px}
h1,h2,h3,p{margin-top:0}
.hero h1{font-size:clamp(42px,5.1vw,68px);letter-spacing:-.065em;line-height:1.19;margin:25px 0 26px;color:#1b2e46;font-weight:790}
.hero h1 em{font-style:normal;color:#bf8832}
.hero-lead{font-size:17px;line-height:1.9;color:#617185;max-width:545px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:48px;padding:10px 19px;border-radius:10px;font-size:14px;font-weight:700;transition:transform .2s,box-shadow .2s}
.button:hover{transform:translateY(-2px)}
.button-dark{background:var(--navy);color:#fff;box-shadow:0 10px 20px rgba(23,43,67,.12)}
.button-light{background:#fff;border:1px solid #dce4eb;color:var(--navy)}
.hero-disclaimer{font-size:12px;color:#7a8793;margin:22px 0 0}
.hero-art{display:flex;align-items:center;justify-content:flex-end}
.hero-art img{width:min(100%,550px);display:block}
.section{padding:88px 0}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:29px}
.section-heading h2,.faq-grid h2{font-size:clamp(27px,3vw,37px);line-height:1.3;letter-spacing:-.04em;color:var(--navy);margin:8px 0 7px}
.section-heading p,.faq-grid>div>p{color:var(--muted);margin:0;font-size:15px}
.section-side,.article-count{font-size:12px;color:#8a96a4;white-space:nowrap;margin-bottom:7px}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.article-card{min-width:0}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 22px;box-shadow:var(--shadow)}
.feature-card:nth-child(1){border-top:3px solid #d9ab58}.feature-card:nth-child(2){border-top:3px solid #819aaa}.feature-card:nth-child(3){border-top:3px solid #a7b9b6}
.article-top{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.article-rule{height:1px;background:#d8e0e6;flex:1}
.article-card h3{font-size:20px;line-height:1.43;letter-spacing:-.025em;color:var(--navy);margin:0 0 19px;font-weight:750}
.prose{font-size:14px;color:#5d6d7e;line-height:1.88}
.prose p{margin:0 0 13px}.prose p:last-child{margin-bottom:0}
.section-soft{background:var(--soft)}
.text-link{font-size:13px;font-weight:700;color:#9a691d;white-space:nowrap;margin-bottom:7px}
.text-link:hover,.source-link:hover{color:#67420a;text-decoration:underline;text-underline-offset:4px}
.knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.knowledge-card{padding:25px;background:#fff;border:1px solid #e5eaf0;border-radius:var(--radius)}
.knowledge-card h3{font-size:18px}
.door-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.door-card{position:relative;min-height:260px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s,border-color .2s,box-shadow .2s}
.door-card:hover{transform:translateY(-4px);border-color:#d4ad6d;box-shadow:var(--shadow)}
.door-num{position:absolute;right:21px;top:19px;font-size:11px;font-weight:800;color:#aab5bf;letter-spacing:.13em}
.door-card img{width:42px;height:42px;display:block;margin-bottom:24px}
.door-card h3{font-size:17px;line-height:1.45;margin:0 0 9px;color:var(--navy)}
.door-card p{font-size:13px;color:var(--muted);line-height:1.75;margin:0 0 16px}
.door-more{position:absolute;left:22px;bottom:20px;font-size:12px;font-weight:750;color:#ac7a2a}
.section-news{background:#f7f9fa;border-top:1px solid #eef1f4;border-bottom:1px solid #eef1f4}
.news-grid,.news-page-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;font-size:11px;letter-spacing:.04em;color:#8492a0;font-weight:700;margin-bottom:15px}
.news-meta span{background:#f8edda;color:#9d6b17;padding:2px 8px;border-radius:4px}
.news-card h3{font-size:19px;line-height:1.45;color:var(--navy);margin:0 0 13px;letter-spacing:-.02em}
.news-card p{font-size:14px;color:var(--muted);line-height:1.85;margin:0 0 16px}
.source-link{font-size:12px;font-weight:700;color:#9b6b20}
.section-caveat{margin:17px 0 0;font-size:12px;color:#8694a1}
.faq-grid{display:grid;grid-template-columns:1fr 1.45fr;gap:72px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line);padding:0 2px}
.faq-list summary{cursor:pointer;list-style:none;font-size:16px;color:var(--navy);font-weight:700;padding:21px 30px 21px 0;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:2px;top:18px;font-size:22px;color:#b4812e;font-weight:400;line-height:1}
.faq-list details[open] summary:after{content:"−"}
.faq-list details p{font-size:14px;color:var(--muted);line-height:1.85;margin:0 25px 20px 0}
.site-footer{background:#192d43;color:#d3dce4;padding:57px 0 0}
.footer-grid{display:grid;grid-template-columns:1.25fr .75fr 1.15fr;gap:80px;padding-bottom:42px}
.footer-brand{font-size:21px;font-weight:800;color:#fff;margin-bottom:15px}
.site-footer h2{font-size:14px;color:#fff;margin:4px 0 16px}
.site-footer p{font-size:13px;line-height:1.9;color:#b4c0cb;margin:0;max-width:400px}
.site-footer nav{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;font-size:13px}
.site-footer nav a:hover{color:var(--gold)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid #33465a;color:#8fa0b0;font-size:11px}
.to-top{position:fixed;right:22px;bottom:22px;z-index:15;width:44px;height:44px;border:1px solid #d7e0e7;background:#fff;color:var(--navy);border-radius:12px;box-shadow:0 7px 24px rgba(22,42,65,.12);font-size:22px;line-height:1;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .2s,visibility .2s,transform .2s}
.to-top.visible{opacity:1;visibility:visible;transform:none}
.page-hero{background:linear-gradient(120deg,#f6f8fa,#eef2f4);border-bottom:1px solid #e4eaee;padding:24px 0 63px}
.breadcrumb{display:flex;align-items:center;gap:10px;color:#83909e;font-size:12px;margin-bottom:50px}
.breadcrumb a:hover{color:var(--navy);text-decoration:underline}
.page-hero-grid{display:grid;grid-template-columns:1fr auto;gap:45px;align-items:center}
.page-hero h1{font-size:clamp(32px,4.2vw,52px);line-height:1.3;letter-spacing:-.045em;color:var(--navy);margin:12px 0 15px}
.page-lead{font-size:16px;color:var(--muted);line-height:1.9;max-width:700px;margin:0}
.page-hero-icon{display:grid;place-items:center;width:142px;height:142px;background:#fff;border:1px solid #e2e9ee;border-radius:28px;box-shadow:var(--shadow)}
.page-hero-icon img{width:112px;height:112px}
.page-layout{display:grid;grid-template-columns:minmax(0,1fr) 252px;gap:46px;align-items:start}
.section-heading-small{margin-bottom:20px}
.section-heading-small h2{font-size:28px}
.column-articles{display:grid;gap:18px}
.column-article{padding:31px 34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.column-article h3{font-size:23px;margin-bottom:17px}
.column-article .prose{font-size:15px}
.page-aside{padding-top:20px;display:grid;gap:18px}
.aside-box{background:#f6f8f9;border:1px solid #e8edf1;border-radius:15px;padding:21px}
.aside-label{display:block;font-size:11px;letter-spacing:.12em;font-weight:800;color:#a36f24;margin-bottom:11px}
.aside-box p{font-size:13px;color:var(--muted);line-height:1.9;margin:0}
.aside-box nav{display:grid;gap:10px}
.aside-box nav a{font-size:13px;color:var(--navy);font-weight:650}
.aside-box nav a:hover{color:#a36f24}
.news-page-grid .news-card{min-height:320px}
.editor-note{margin-top:23px;padding:22px 25px;background:#f5f7f9;border-left:3px solid var(--gold);border-radius:0 11px 11px 0}
.editor-note strong{font-size:13px;color:var(--navy)}
.editor-note p{font-size:13px;color:var(--muted);line-height:1.8;margin:6px 0 0}
@media(max-width:1060px){.primary-nav a{padding:9px 8px;font-size:12px}.door-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.door-card{min-height:220px}.hero-grid{min-height:510px}.hero h1{font-size:52px}.footer-grid{gap:40px}}
@media(max-width:780px){.container{width:min(100% - 36px,1192px)}.site-notice{font-size:10px}.header-inner{min-height:70px}.menu-toggle{display:block}.primary-nav{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;padding:10px 18px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 30px rgba(23,43,67,.09)}.primary-nav.open{display:flex}.primary-nav a{padding:13px 14px;font-size:14px}.hero-grid{grid-template-columns:1fr;min-height:0}.hero-copy{padding:58px 0 10px}.hero h1{font-size:clamp(42px,8vw,62px)}.hero-art{justify-content:center;max-height:285px;overflow:hidden}.hero-art img{width:min(100%,420px);margin-top:-35px}.section{padding:65px 0}.feature-grid,.knowledge-grid,.news-grid,.news-page-grid{grid-template-columns:1fr 1fr}.faq-grid{grid-template-columns:1fr;gap:25px}.footer-grid{grid-template-columns:1fr 1fr}.page-layout{grid-template-columns:1fr}.page-aside{grid-template-columns:1fr 1fr;padding-top:0}.page-hero-icon{width:116px;height:116px}.page-hero-icon img{width:90px;height:90px}}
@media(max-width:580px){.container{width:min(100% - 30px,1192px)}.site-notice .container{line-height:1.6}.site-notice span{padding:0 3px}.brand-word{font-size:18px}.hero-copy{padding:49px 0 11px}.hero h1{font-size:42px;margin:20px 0}.hero-lead{font-size:15px}.hero-art{max-height:230px}.section{padding:54px 0}.section-heading{align-items:start;gap:16px}.section-side{display:none}.section-heading h2,.faq-grid h2{font-size:29px}.section-heading p{font-size:14px}.text-link{font-size:11px;margin-top:14px;white-space:normal;min-width:85px;text-align:right}.feature-grid,.knowledge-grid,.news-grid,.news-page-grid{grid-template-columns:1fr}.feature-card,.knowledge-card,.news-card{padding:23px}.door-grid{grid-template-columns:1fr 1fr;gap:10px}.door-card{min-height:222px;padding:18px}.door-card img{margin-bottom:16px}.door-card h3{font-size:15px}.door-card p{font-size:12px}.door-more{left:18px;bottom:15px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:4px}.page-hero{padding:18px 0 42px}.breadcrumb{margin-bottom:34px}.page-hero-grid{grid-template-columns:1fr;gap:25px}.page-hero h1{font-size:34px}.page-lead{font-size:14px}.page-hero-icon{display:none}.page-layout{gap:25px}.column-article{padding:23px}.column-article h3{font-size:20px}.column-article .prose{font-size:14px}.page-aside{grid-template-columns:1fr}.news-page-grid .news-card{min-height:0}}
@media(max-width:380px){.door-grid{grid-template-columns:1fr}.door-card{min-height:190px}.hero-actions{flex-direction:column;align-items:stretch}.hero h1{font-size:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}