:root{--blue:#4a8df7;--blue-dark:#347af0;--ink:#15171b;--muted:#77808f;--line:#e8ebf1;--soft:#f6f8fc;--navy:#0f172b;--content:1180px;--shadow:0 14px 42px rgba(40,87,160,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.75;background:#fff}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}.container{width:min(var(--content),calc(100% - 48px));margin:0 auto}
.site-header{height:72px;background:rgba(255,255,255,.97);border-bottom:1px solid #e5e8ee;position:sticky;top:0;z-index:50}.nav-wrap{height:100%;width:min(1440px,calc(100% - 48px));margin:auto;display:flex;align-items:center}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;white-space:nowrap;margin-right:54px}.brand-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;color:#fff;background:linear-gradient(145deg,#65b8ff,#347cf5);font-size:15px;font-weight:800;box-shadow:inset 0 0 0 4px rgba(255,255,255,.28)}.main-nav{display:flex;height:100%;align-items:center;gap:35px}.main-nav a{height:100%;display:flex;align-items:center;position:relative;white-space:nowrap}.main-nav a:hover,.main-nav a.active{color:var(--blue)}.main-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--blue)}.menu-toggle{display:none;margin-left:auto;width:42px;height:42px;border:0;background:none;padding:8px;cursor:pointer}.menu-toggle span{display:block;height:2px;margin:6px 0;background:#20232a}
.page-hero{padding:66px 0 60px;background:linear-gradient(135deg,#f4f8ff,#edf4ff);text-align:center}.page-hero h1{font-size:38px;line-height:1.3;margin:0 0 10px}.page-hero p{margin:0;color:#8a93a1;font-size:14px}.breadcrumb{font-size:13px;color:#8993a2;margin-bottom:26px}.breadcrumb a:hover{color:var(--blue)}.breadcrumb span{margin:0 9px;color:#c1c7d0}
.news-page{padding:62px 0 80px}.news-grid{display:grid;grid-template-columns:1fr;gap:22px}.news-card{display:grid;grid-template-columns:300px 1fr;min-height:200px;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff;transition:transform .22s,box-shadow .22s,border-color .22s}.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d9e4f7}.news-card:focus-visible{outline:3px solid rgba(74,141,247,.4);outline-offset:3px}.news-card img{width:100%;height:100%;object-fit:cover;background:#f3f6fb}.news-card-copy{display:flex;flex-direction:column;padding:26px 30px}.news-card time,.article-meta{font-size:12px;color:#9aa2af}.news-card h2{font-size:20px;line-height:1.55;margin:8px 0}.news-card p{font-size:14px;color:#7b8492;line-height:1.8;margin:0}.read-more{margin-top:auto;padding-top:12px;color:var(--blue);font-size:13px}.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:48px}.page-button{min-width:40px;height:40px;padding:0 13px;border:1px solid #dfe4ec;border-radius:4px;background:#fff;color:#596273;cursor:pointer}.page-button:hover:not(:disabled),.page-button.active{color:#fff;background:var(--blue);border-color:var(--blue)}.page-button:disabled{color:#bbc1ca;background:#f6f7f9;cursor:not-allowed}.page-button:focus-visible,.back-button:focus-visible{outline:3px solid rgba(74,141,247,.4);outline-offset:2px}
.detail-page{padding:36px 0 82px;background:var(--soft)}.article-shell{width:min(var(--content),calc(100% - 48px));}.article-card{padding:52px 70px 62px;border:1px solid var(--line);border-radius:6px;background:#fff}.article-header{text-align:center;margin-bottom:32px}.article-header h1{font-size:32px;line-height:1.45;margin:0 0 12px}.article-cover{width:100%;max-height:520px;object-fit:cover;border-radius:5px;margin-bottom:34px;background:#f2f5fa}.article-body{font-size:16px;line-height:2;color:#4e5663}.article-body p{margin:0 0 20px}.article-nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;margin-top:34px;padding-top:25px;border-top:1px solid var(--line);font-size:13px}.article-nav a{color:#657082}.article-nav a:hover{color:var(--blue)}.article-nav .next{text-align:right}.back-button{display:inline-flex;align-items:center;justify-content:center;padding:9px 18px;border-radius:3px;color:#fff!important;background:var(--blue)}.empty-state{text-align:center;padding:90px 24px}.empty-state h1{font-size:28px;margin:0 0 10px}.empty-state p{color:#8b94a1;margin:0 0 24px}
.article-body img.news-image-left{float:none;margin-left:0;margin-right:auto}.article-body img.news-image-center{float:none;margin-left:auto;margin-right:auto}.article-body img.news-image-right{float:none;margin-left:auto;margin-right:0}
.article-body h1,.article-body h2,.article-body h3{line-height:1.5;color:var(--ink)}.article-body ul,.article-body ol{padding-left:2em}.article-body a{color:var(--blue);text-decoration:underline}.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse}.article-body th,.article-body td{min-width:80px;padding:8px 10px;border:1px solid var(--line)}
.site-footer{background:var(--navy);color:#fff;padding:52px 0 20px}.footer-grid{display:grid;grid-template-columns:2.1fr 1fr 1fr 1fr;gap:42px}.footer-brand>img{width:241px;margin-bottom:14px}.footer-brand p{color:#a9b2c3;font-size:13px}.footer-brand>div{display:flex;gap:14px;margin-top:18px}.footer-brand>div img{width:82px;height:82px}.footer-links{display:flex;flex-direction:column;gap:9px}.footer-links h3{font-size:15px;margin:0 0 8px}.footer-links a,.footer-links span{font-size:12px;color:#818ca1}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid #253047;margin-top:38px;padding-top:18px;color:#68748c;font-size:11px}
.pagination .page-button{display:inline-flex;align-items:center;justify-content:center}.pagination .page-button.disabled,.pagination .page-button.disabled:hover{color:#bbc1ca;background:#f6f7f9;border-color:#dfe4ec;cursor:not-allowed}
@media(max-width:1050px){.main-nav{gap:18px}.brand{margin-right:24px}.main-nav a{font-size:14px}.news-card{grid-template-columns:250px 1fr}.article-card{padding:45px 54px}}
@media(max-width:820px){.site-header{height:64px}.nav-wrap{width:calc(100% - 30px)}.brand{font-size:19px;margin:0}.menu-toggle{display:block}.main-nav{position:absolute;top:64px;left:0;right:0;height:auto;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 10px 25px rgba(0,0,0,.08)}.main-nav.open{display:flex}.main-nav a{height:auto;padding:12px 24px}.main-nav a.active:after{display:none}.page-hero{padding:50px 0 46px}.page-hero h1{font-size:31px}.news-page{padding:48px 0 64px}.news-grid{grid-template-columns:1fr}.news-card{grid-template-columns:210px 1fr}.article-card{padding:38px 40px}.article-header h1{font-size:27px}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-links:last-child{display:none}}
@media(max-width:560px){body{font-size:15px}.container{width:calc(100% - 32px)}.brand-icon{width:29px;height:29px}.page-hero{padding:40px 0 37px}.page-hero h1{font-size:27px}.news-card{grid-template-columns:1fr}.news-card img{height:190px}.news-card-copy{min-height:220px}.pagination{gap:5px;margin-top:36px}.page-button{min-width:36px;height:36px;padding:0 9px}.detail-page{padding:25px 0 55px}.breadcrumb{margin-bottom:18px}.article-card{padding:30px 22px 38px}.article-header h1{font-size:23px}.article-cover{margin-bottom:25px}.article-body{font-size:15px}.article-nav{grid-template-columns:1fr 1fr}.article-nav .back-button{grid-column:1/-1;grid-row:2}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-brand>img{width:205px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.brand-icon{display:block;width:32px;height:32px;border-radius:0;background:none;box-shadow:none;object-fit:contain}
@media(max-width:560px){.brand-icon{width:29px;height:29px}}
.news-card img{height:auto;aspect-ratio:16/9;align-self:start;object-fit:cover}