:root{--navy:#10233e;--navy-2:#1a3659;--ink:#172638;--muted:#5e6e80;--blue:#1769ac;--sky:#e9f5ff;--line:#dce6ee;--surface:#fff;--bg:#f5f8fb;--radius:16px;--shadow:0 12px 34px rgba(20,49,82,.07)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.78}
a{color:var(--blue);text-underline-offset:3px}
a:hover{color:#0c4c80}
button{font:inherit}
.skip-link{position:absolute;left:12px;top:-80px;z-index:100;padding:8px 14px;background:#fff;color:var(--ink)}
.skip-link:focus{top:8px}
.container{width:min(100% - 40px,1160px);margin-inline:auto}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:10}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:92px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink);min-width:0}
.brand-mark{display:grid;place-items:center;flex:none;width:43px;height:43px;border-radius:13px;background:var(--navy);color:#fff;font-size:20px;font-weight:750;letter-spacing:-.08em}
.brand-copy{display:grid;line-height:1.25}
.brand-copy strong{font-size:18px;letter-spacing:.01em}
.brand-copy small{color:var(--muted);font-size:12px;margin-top:5px}
.independent-note{display:inline-flex;align-items:center;gap:7px;border:1px solid #c9def0;border-radius:999px;background:#f2f9ff;color:#315979;padding:5px 11px;font-size:12px;white-space:nowrap}
.independent-note::before{content:"";width:6px;height:6px;background:#3d91c5;border-radius:50%}
.menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--navy);padding:8px 12px;cursor:pointer;white-space:nowrap;flex:none}
.site-nav{border-top:1px solid var(--line)}
.nav-inner{display:flex;gap:4px;align-items:center;justify-content:space-between}
.site-nav a{display:block;padding:13px 14px;text-decoration:none;color:#425770;font-size:14px;font-weight:650;white-space:nowrap;border-bottom:2px solid transparent}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--blue);border-bottom-color:var(--blue)}
.hero{position:relative;overflow:hidden;background:linear-gradient(118deg,#10233e 4%,#193d64 72%,#1b577e);color:#fff}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(90deg,transparent,#000);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.7fr);gap:60px;align-items:center;position:relative;z-index:1;padding:78px 0 82px}
.eyebrow{font-size:12px;font-weight:750;letter-spacing:.16em;text-transform:uppercase;color:#92d5ff;margin:0 0 20px}
.hero h1{font-size:clamp(35px,4.8vw,60px);line-height:1.18;letter-spacing:-.04em;margin:0 0 22px;max-width:730px}
.hero-lead{font-size:19px;line-height:1.8;color:#d5e6f4;max-width:680px;margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;text-decoration:none;border-radius:10px;padding:11px 18px;font-weight:700;line-height:1.4;font-size:14px}
.button-primary{background:#d7efff;color:#123555}
.button-primary:hover{background:#fff;color:#123555}
.button-ghost{color:#fff;border:1px solid #7191b0}
.button-ghost:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.08)}
.hero-aside{border:1px solid rgba(210,234,255,.25);background:rgba(255,255,255,.07);backdrop-filter:blur(5px);border-radius:18px;padding:26px}
.hero-aside h2{font-size:17px;margin:0 0 13px;color:#fff}
.hero-aside ul{list-style:none;margin:0;padding:0}
.hero-aside li+li{border-top:1px solid rgba(255,255,255,.16)}
.hero-aside a{display:flex;justify-content:space-between;gap:10px;color:#e3f3ff;text-decoration:none;padding:11px 0;font-size:14px}
.hero-aside a:hover{color:#fff}
.hero-aside a::after{content:"↗";color:#a5daf8}
.main-content{padding:60px 0 86px}
.section{margin-top:72px}
.section:first-child{margin-top:0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:25px}
.section-kicker{color:var(--blue);font-size:12px;letter-spacing:.16em;font-weight:800;margin:0 0 7px}
h2,h3{color:var(--navy);line-height:1.38}
.section-head h2{font-size:clamp(25px,3vw,32px);letter-spacing:-.02em;margin:0}
.section-intro{max-width:690px;color:var(--muted);margin:8px 0 0}
.text-link{font-weight:700;font-size:14px;white-space:nowrap;text-decoration:none}
.text-link::after{content:" →"}
.prose{max-width:840px}
.prose p{margin:0 0 17px}
.prose p:last-child{margin-bottom:0}
.identity-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:25px 0 0}
.identity-strip div{padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:12px}
.identity-strip strong{display:block;color:var(--navy);font-size:14px;margin-bottom:4px}
.identity-strip span{display:block;color:var(--muted);font-size:13px;line-height:1.65}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card .card-tag{display:inline-block;color:var(--blue);background:var(--sky);border-radius:6px;padding:3px 9px;font-size:12px;font-weight:750;margin-bottom:14px}
.card time,.news-card time,.long-article time{color:#708092;font-size:13px}
.card h3{font-size:20px;margin:11px 0 13px}
.card p{margin:0 0 14px;color:#4d5f71;font-size:14px;line-height:1.83}
.card h4{font-size:14px;color:var(--navy);margin:18px 0 6px}
.card .card-footer{padding-top:15px;border-top:1px solid var(--line);margin-top:20px}
.card .card-footer a{font-size:14px;font-weight:700;text-decoration:none}
.guide-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guide-item{padding:24px;border-top:3px solid #6eb6e4;background:#fff;border-radius:0 0 13px 13px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-left:1px solid var(--line)}
.guide-number{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.1em}
.guide-item h3{font-size:19px;margin:9px 0 10px}
.guide-item p{font-size:14px;color:#4c5f71;margin:0 0 12px}
.guide-item a{font-size:14px;font-weight:700;text-decoration:none}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-card{display:flex;flex-direction:column;padding:24px;background:#fff;border:1px solid var(--line);border-radius:14px}
.news-card h3{font-size:19px;margin:10px 0 10px}
.news-card h3 a{text-decoration:none;color:var(--navy)}
.news-card h3 a:hover{color:var(--blue)}
.news-card p{font-size:14px;color:#506275;margin:0 0 18px;flex:1}
.news-card>a{font-size:14px;font-weight:700;text-decoration:none}
.notice-band{background:#eaf3f9;border-left:4px solid #4d94c0;border-radius:0 12px 12px 0;padding:18px 22px;color:#35546c;font-size:14px}
.notice-band p{margin:0}
.page-intro{background:linear-gradient(120deg,#eff7fd,#fff);border-bottom:1px solid var(--line)}
.page-intro .container{padding:42px 0 46px}
.breadcrumbs{display:flex;gap:8px;align-items:center;color:#687b8d;font-size:13px;margin-bottom:20px}
.breadcrumbs a{color:#516b82;text-decoration:none}
.breadcrumbs span[aria-hidden="true"]{color:#98aaba}
.page-intro h1{font-size:clamp(30px,4vw,45px);letter-spacing:-.035em;margin:0 0 10px}
.page-intro p{max-width:760px;color:#52697d;font-size:17px;margin:0}
.page-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:42px;align-items:start}
.article-stack{display:grid;gap:24px}
.content-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 36px;box-shadow:var(--shadow)}
.content-panel h2{font-size:25px;margin:0 0 15px}
.content-panel h3{font-size:17px;margin:24px 0 8px}
.content-panel p{margin:0 0 16px;color:#3b4e60}
.content-panel p:last-child{margin-bottom:0}
.content-panel ul{margin:0 0 16px;padding-left:1.35em;color:#3b4e60}
.content-panel li+li{margin-top:6px}
.content-panel .source-note{font-size:13px;color:#6f8293;border-top:1px solid var(--line);padding-top:14px;margin-top:22px}
.side-panel{position:sticky;top:20px;border:1px solid var(--line);border-radius:14px;background:#fff;padding:22px}
.side-panel h2{font-size:17px;margin:0 0 13px}
.side-panel ul{margin:0;padding:0;list-style:none}
.side-panel li+li{border-top:1px solid var(--line)}
.side-panel a{display:block;padding:10px 0;font-size:14px;text-decoration:none;font-weight:650}
.side-panel p{font-size:13px;color:var(--muted);margin:15px 0 0}
.long-article{scroll-margin-top:20px}
.long-article+.long-article{margin-top:8px}
.long-article .article-meta{display:flex;gap:10px;align-items:center;margin-bottom:11px}
.long-article .article-meta span{background:var(--sky);color:var(--blue);font-size:12px;font-weight:700;border-radius:5px;padding:2px 8px}
.long-article .article-body p{margin-bottom:16px}
.source-links{border-top:1px solid var(--line);padding-top:15px;font-size:13px;color:#64788b}
.source-links a{overflow-wrap:anywhere}
.related{margin-top:46px;padding:26px 30px;background:#eaf3f9;border-radius:14px}
.related h2{font-size:19px;margin:0 0 12px}
.related ul{display:flex;flex-wrap:wrap;gap:8px 24px;list-style:none;margin:0;padding:0}
.related a{font-size:14px;font-weight:700;text-decoration:none}
.site-footer{background:#112840;color:#d2e0ec}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:45px;padding:49px 0 35px}
.footer-grid h2{color:#fff;font-size:16px;margin:0 0 13px}
.footer-grid p{font-size:13px;line-height:1.85;margin:0 0 11px;color:#b9cbda}
.footer-grid ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 14px;margin:0;padding:0;list-style:none}
.footer-grid a{color:#d2e0ec;text-decoration:none;font-size:13px}
.footer-grid a:hover{color:#fff;text-decoration:underline}
.footer-bottom{border-top:1px solid #2d445a;padding:17px 0 24px;color:#9bb0c2;font-size:12px}
.footer-bottom p{margin:0}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:34px}.hero-aside{max-width:650px}.card-grid,.news-grid,.guide-list{grid-template-columns:repeat(2,minmax(0,1fr))}.page-grid{grid-template-columns:minmax(0,1fr) 225px;gap:22px}.content-panel{padding:27px}}
@media(max-width:700px){.container{width:min(100% - 28px,1160px)}.header-top{min-height:72px}.brand-copy strong{font-size:15px}.brand-copy small{font-size:10px}.brand-mark{width:38px;height:38px;font-size:18px}.independent-note{display:none}.menu-toggle{display:block}.site-nav{display:none}.site-nav[data-open="true"]{display:block}.nav-inner{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;padding:7px 0 12px}.site-nav a{padding:11px 8px;border-bottom:0;border-left:2px solid transparent}.site-nav a[aria-current="page"]{border-left-color:var(--blue)}.hero-grid{padding:56px 0 58px}.hero h1{font-size:37px}.hero-lead{font-size:16px}.hero-aside{padding:21px}.main-content{padding:43px 0 65px}.section{margin-top:53px}.section-head{align-items:start;flex-direction:column;gap:7px}.card-grid,.news-grid,.guide-list,.identity-strip{grid-template-columns:1fr}.card,.news-card,.guide-item{padding:22px}.page-intro .container{padding:29px 0 34px}.page-intro p{font-size:15px}.page-grid{grid-template-columns:1fr}.side-panel{position:static;order:-1}.side-panel ul{display:grid;grid-template-columns:repeat(2,1fr);gap:0 15px}.content-panel{padding:23px 21px}.content-panel h2{font-size:22px}.footer-grid{grid-template-columns:1fr;gap:22px;padding:39px 0 28px}.related{padding:22px}}
@media(max-width:380px){.brand-copy strong{font-size:13px}.brand-copy small{font-size:9px}.nav-inner{grid-template-columns:1fr}.hero h1{font-size:32px}}