/* ============ 快写科技 · 新闻与研究共享样式 ============ */
:root{
  --bg:#F6F8FB; --paper:#FFFFFF; --surface:#EAF0F8;
  --ink:#1A1714; --ink2:#2C2824; --muted:#5B6575; --faint:#64708A;
  --accent:#204080; --accent-ink:#1B3A6B; --accent-deep:#152C54;
  --accent-light:#C6D4E6; --accent-surface:#EAF0F8;
  --line:#D8E2F0; --line-soft:#EAF0F8; --ok:#3f7d52;
  --shadow:0 10px 34px rgba(21,44,84,.10); --shadow-sm:0 3px 14px rgba(21,44,84,.07);
  --sans:"Microsoft YaHei","Microsoft YaHei UI","PingFang SC","Source Han Sans SC","Noto Sans SC",sans-serif;
  --header-h:72px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-ink);text-decoration:none}
ul{list-style:none}
.wrap{width:100%;max-width:min(1800px,100%);margin:0 auto;padding:0 clamp(20px,4vw,64px)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.5px;border:1px solid transparent;cursor:pointer;transition:all .25s ease;font-family:var(--sans);white-space:nowrap}
.btn-gold{background:var(--accent-deep);color:#fff;box-shadow:0 4px 14px rgba(21,44,84,.34)}
.btn-gold:hover{background:#0E1E3A;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--accent-ink);border-color:var(--accent-light)}
.btn-outline:hover{background:var(--accent-surface);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--accent-ink);box-shadow:0 3px 12px rgba(0,0,0,.14)}
.btn-light:hover{background:var(--accent-surface);transform:translateY(-2px)}
/* 按钮文字色守卫：防止被 .article-body a / .mobile-nav a / .footer a 等容器规则覆盖 */
.btn.btn-gold,.btn.btn-gold:hover{color:#fff}
.btn.btn-outline{color:var(--accent-ink)}
.btn.btn-light{color:var(--accent-ink)}
.article-body .btn{text-decoration:none}
.mobile-nav .btn.btn-gold{color:#fff}

/* ============ 顶栏 ============ */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:rgba(246,248,251,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:all .3s ease}
.header.scrolled{background:rgba(246,248,251,.98);border-bottom-color:var(--line);box-shadow:0 1px 12px rgba(21,44,84,.06)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-logo{width:44px;height:44px;border-radius:12px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 12px rgba(32,64,128,.32);overflow:hidden}
.brand-logo .iconfont{color:#fff;font-size:30px;line-height:1;transform:translateY(-1px)}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:1px;line-height:1.15;text-align:center}
.brand-name small{display:block;font-size:10.5px;letter-spacing:.7px;margin-right:-.7px;color:var(--faint);font-weight:600}
.nav{display:flex;align-items:center;gap:4px}
.nav a{font-size:14.5px;color:var(--ink2);padding:8px 14px;border-radius:8px;transition:all .2s;font-weight:500}
.nav a:hover{color:var(--accent-ink);background:var(--accent-surface)}
.nav a.active{color:var(--accent-ink);background:var(--accent-surface);font-weight:700}
.header-cta{display:flex;align-items:center;gap:10px}
.header .btn{padding:10px 22px;font-size:14px}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--paper);cursor:pointer;align-items:center;justify-content:center;color:var(--ink);font-size:19px}
.mobile-nav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:rgba(246,248,251,.98);backdrop-filter:blur(16px);z-index:999;transform:translateX(100%);transition:transform .35s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;padding:24px 28px;overflow-y:auto}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav a{font-size:21px;font-weight:600;color:var(--ink);padding:16px 0;border-bottom:1px solid var(--line-soft)}
.mobile-nav a i{color:var(--accent);margin-right:10px}
.mobile-nav .btn{margin-top:28px}

/* ============ 页头 ============ */
.page-hero{padding:calc(var(--header-h) + 56px) 0 40px;background:radial-gradient(ellipse at 78% 12%,rgba(32,64,128,.10) 0%,transparent 52%),radial-gradient(ellipse at 12% 88%,rgba(198,212,230,.12) 0%,transparent 55%)}
.page-hero h1{font-size:clamp(28px,4vw,42px);font-weight:700;color:var(--ink);letter-spacing:1px;line-height:1.3}
.page-hero p{color:var(--muted);font-size:16px;margin-top:12px;max-width:720px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--accent-ink)}
.breadcrumb i{font-size:11px;color:var(--accent-light)}

/* ============ 列表页 ============ */
.list-section{padding:20px 0 80px}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:26px}
.search-box{position:relative;flex:1 1 280px;max-width:440px}
.search-box i{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--faint);font-size:15px}
.search-box input{width:100%;padding:13px 18px 13px 46px;border:1px solid var(--line);border-radius:999px;font-size:14.5px;font-family:var(--sans);background:var(--paper);color:var(--ink);outline:none;transition:border-color .25s,box-shadow .25s}
.search-box input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(32,64,128,.15)}
.search-box input::placeholder{color:var(--faint)}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:0}
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pager .pg{min-width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--paper);color:var(--ink2);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;font-family:var(--sans)}
.pager .pg:hover:not(:disabled){border-color:var(--accent);color:var(--accent-ink)}
.pager .pg.on{background:var(--accent);border-color:var(--accent);color:#fff}
.pager .pg:disabled{opacity:.4;cursor:not-allowed}
.pager .pgm{color:var(--faint);padding:0 2px}
.fchip{font-size:13.5px;font-weight:600;padding:8px 20px;border-radius:999px;background:var(--paper);border:1px solid var(--line);color:var(--ink2);cursor:pointer;transition:all .22s}
.fchip:hover{border-color:var(--accent);color:var(--accent-ink)}
.fchip.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.news-card .cover{height:180px;overflow:hidden;position:relative}
.news-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .cover img{transform:scale(1.05)}
.news-card .cover .cover-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#EAF0F8,#D8E2F0);color:var(--accent-ink);font-size:40px}
.news-card .body{padding:22px 24px 20px;display:flex;flex-direction:column;flex:1}
.news-card .meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.news-card .cat{font-size:12px;font-weight:700;color:var(--accent-ink);background:var(--accent-surface);border:1px solid var(--accent-light);padding:3px 12px;border-radius:999px;white-space:nowrap}
.news-card .date{font-size:12px;color:var(--faint);display:flex;align-items:center;gap:5px}
.news-card h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;margin-bottom:10px;flex:1}
.news-card .sum{font-size:13.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-card .more{font-size:13px;font-weight:600;color:var(--accent-ink)}
.news-card .more i{margin-left:5px;transition:transform .25s}
.news-card:hover .more i{transform:translateX(4px)}
.news-empty{text-align:center;color:var(--faint);padding:60px 0;display:none}
.news-count{font-size:13.5px;color:var(--faint);margin-bottom:20px}

/* ============ 详情页 ============ */
.article{padding:calc(var(--header-h) + 30px) 0 80px}
.article-wrap{width:100%}
.article-head{text-align:center;padding:20px 0 34px;border-bottom:1px solid var(--line)}
.article-head .cat{display:inline-block;font-size:12.5px;font-weight:700;color:var(--accent-ink);background:var(--accent-surface);border:1px solid var(--accent-light);padding:5px 18px;border-radius:999px;margin-bottom:16px}
.article-head h1{font-size:clamp(24px,3.4vw,34px);font-weight:700;color:var(--ink);line-height:1.5;letter-spacing:.5px}
.article-head .ameta{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:18px;font-size:13px;color:var(--faint);flex-wrap:wrap}
.article-head .ameta i{margin-right:5px;color:var(--accent)}
.article-body{padding:36px 0 20px;line-height:2;color:var(--ink2)}
.article-body p{margin:0 0 20px;text-align:justify}
.article-body h2{font-size:22px;font-weight:700;color:var(--ink);margin:34px 0 14px;padding-left:12px;border-left:4px solid var(--accent)}
.article-body h3{font-size:18px;font-weight:700;color:var(--ink);margin:28px 0 12px}
.article-body img{margin:16px auto;border-radius:12px;box-shadow:var(--shadow-sm);max-width:100%}
.article-body strong{color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:26px}
.article-body li{margin-bottom:6px}
.article-body blockquote{border-left:4px solid var(--accent-light);background:var(--accent-surface);padding:14px 20px;border-radius:0 10px 10px 0;margin:20px 0;color:var(--muted)}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-size:13.5px;flex-wrap:wrap}
.article-nav a{color:var(--accent-ink);font-weight:600;max-width:46%}
.article-nav a:hover{color:var(--accent-deep)}
.article-nav .dim{color:var(--faint);font-weight:400}

/* ============ 研究页 ============ */
.report-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:36px;box-shadow:var(--shadow-sm);width:100%}
.report-card .rhead{text-align:center;padding-bottom:22px;border-bottom:1px solid var(--line)}
.report-card h1{font-size:clamp(24px,3.2vw,32px);font-weight:700;color:var(--ink);line-height:1.4;margin-bottom:14px}
.report-card .rmeta{font-size:13.5px;color:var(--faint);display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.report-card .rmeta i{margin-right:5px;color:var(--accent)}
.report-card .rintro{padding:26px 6px 8px;font-size:15.5px;color:var(--ink2);line-height:2}
.report-card .rintro p{margin-bottom:14px}
.report-card .rintro ul{padding-left:24px;margin-bottom:14px}
.report-card .rintro li{margin-bottom:6px}
.report-card .rcta{display:flex;justify-content:center;gap:16px;padding-top:24px;flex-wrap:wrap}
.report-card .rnote{text-align:center;font-size:12.5px;color:var(--faint);padding-top:14px}

/* ============ 详情页 · 杂志版式 ============ */
.article{padding:calc(var(--header-h) + 26px) 0 80px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;width:100%}
.article-main{min-width:0}
.article-head{padding:22px 0 26px;border-bottom:1px solid var(--line);width:100%}
.article-head .cat{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;letter-spacing:1px;color:var(--accent-ink);background:var(--accent-surface);border:1px solid var(--accent-light);padding:6px 18px;border-radius:999px;margin-bottom:18px}
.article-head h1{font-size:clamp(26px,3.8vw,42px);font-weight:700;color:var(--ink);line-height:1.35;letter-spacing:.5px}
.article-head .ameta{display:flex;align-items:center;gap:22px;margin-top:18px;font-size:13.5px;color:var(--faint);flex-wrap:wrap}
.article-head .ameta span{display:inline-flex;align-items:center;gap:7px}
.article-head .ameta i{color:var(--accent)}
.article-head .gold-rule{width:72px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--accent-light));margin-top:24px}
.article-cover{height:300px;border-radius:20px;overflow:hidden;margin:26px 0 34px;box-shadow:var(--shadow);position:relative}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* 渐变色占位封面图（AI绘图API不可用时的替代方案） */
.article-cover .cover-ph-gradient{
  width:100%;height:100%;
  background:linear-gradient(135deg,#204080 0%,#8B5E3C 40%,#6B4226 70%,#4A2D1A 100%);
  display:flex;align-items:center;justify-content:center;
  padding:40px;position:relative;overflow:hidden;
}
.article-cover .cover-ph-gradient::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.article-cover .cover-ph-gradient h3{
  color:rgba(255,255,255,.95);font-size:clamp(18px,2.5vw,28px);
  font-weight:700;line-height:1.5;text-align:center;
  text-shadow:0 2px 8px rgba(0,0,0,.3);max-width:80%;
  position:relative;z-index:1;
}
.article-cover .cover-ph-gradient .cover-cat{
  position:absolute;top:20px;right:20px;
  font-family:var(--sans);font-size:12px;letter-spacing:1.5px;
  color:rgba(255,255,255,.7);background:rgba(255,255,255,.1);
  padding:5px 14px;border-radius:20px;
  backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.15);
  z-index:1;
}

.article-cover .cap{position:absolute;left:16px;bottom:14px;right:16px;color:rgba(255,255,255,.9);font-size:12.5px;text-shadow:0 1px 6px rgba(0,0,0,.5);text-align:right}
.article-body{font-size:clamp(1.1875rem,1.9vw,1.375rem);line-height:2.05;color:var(--ink2);letter-spacing:.2px}
.article-body p{margin:0 0 22px;text-align:justify}
.article-body h2{font-size:24px;font-weight:700;color:var(--ink);margin:42px 0 16px;padding-left:16px;border-left:5px solid var(--accent);line-height:1.4;position:relative}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink);margin:32px 0 12px;display:flex;align-items:center;gap:10px}
.article-body h3::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;flex-shrink:0}
.article-body img{margin:22px auto;border-radius:16px;box-shadow:var(--shadow-sm);width:100%;height:auto}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:28px}
.article-body li{margin-bottom:8px;position:relative}
.article-body ul li::before{content:"▸";color:var(--accent);margin-right:8px}
.article-body ol li::marker{color:var(--accent);font-weight:700}
.article-body blockquote{border-left:4px solid var(--accent-light);background:linear-gradient(135deg,var(--accent-surface),var(--paper));padding:20px 26px;border-radius:0 14px 14px 0;margin:26px 0;color:var(--ink2);position:relative}
.article-body blockquote::before{content:"“";position:absolute;top:-6px;left:10px;font-size:56px;color:var(--accent-light);font-family:Georgia,serif;line-height:1}
.article-body a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:22px;border-top:1px dashed var(--line)}
.article-tags .t{font-size:12.5px;font-weight:600;color:var(--accent-ink);background:var(--accent-surface);border:1px solid var(--accent-light);padding:5px 16px;border-radius:999px}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:36px;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px;flex-wrap:wrap}
.article-nav a{color:var(--accent-ink);font-weight:600;max-width:46%;line-height:1.6}
.article-nav a:hover{color:var(--accent-deep)}
.article-nav .dim{color:var(--faint);font-weight:400}

/* 侧栏 */
.article-side{position:sticky;top:calc(var(--header-h) + 24px);display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow-sm)}
.side-card h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px;display:flex;align-items:center;gap:9px}
.side-card h4::before{content:"";width:20px;height:2px;background:var(--accent);border-radius:2px}
.side-card .sc-sub{font-size:12px;color:var(--faint);margin-bottom:12px}
.side-item{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);align-items:flex-start;text-decoration:none}
.side-item:last-child{border-bottom:none}
.side-item .d{font-size:11px;color:var(--faint);flex-shrink:0;margin-top:2px}
.side-item .t{font-size:13.5px;color:var(--ink2);line-height:1.55;font-weight:600}
.side-item:hover .t{color:var(--accent-ink)}
.side-cats{display:flex;flex-wrap:wrap;gap:8px}
.side-cats .c{font-size:12px;font-weight:600;color:var(--accent-ink);background:var(--accent-surface);border:1px solid var(--accent-light);padding:5px 13px;border-radius:999px;cursor:pointer;transition:all .2s}
.side-cats .c:hover{background:var(--accent);color:#fff}

/* 相关推荐 */
.related-section{margin-top:60px;border-top:1px solid var(--line);padding-top:34px}
.related-title{font-size:22px;font-weight:700;color:var(--ink);margin-bottom:24px;display:flex;align-items:center;gap:12px}
.related-title::before{content:"";width:26px;height:3px;background:var(--accent);border-radius:3px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s;text-decoration:none}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.related-card .rc-cover{height:150px;overflow:hidden}
.related-card .rc-cover img{width:100%;height:100%;object-fit:cover}
.related-card .rc-cover .cover-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#EAF0F8,#D8E2F0);color:var(--accent-ink);font-size:32px}
.related-card .rc-body{padding:16px 18px 18px}
.related-card .rc-meta{font-size:11.5px;color:var(--faint);margin-bottom:8px;display:flex;gap:10px}
.related-card .rc-meta .rcat{color:var(--accent-ink);font-weight:700}
.related-card h4{font-size:15px;font-weight:700;color:var(--ink);line-height:1.5}
.related-card:hover h4{color:var(--accent-ink)}

/* 阅读进度条 */
.read-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-light));width:0;z-index:1100;transition:width .1s linear}

@media(max-width:1180px){
  .article-layout{grid-template-columns:1fr}
  .article-side{position:static;order:2;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 300px}
}
@media(max-width:760px){
  .related-grid{grid-template-columns:1fr}
  .article-body{font-size:1.1875rem}
  .article-nav a{max-width:100%}
  .article-side{flex-direction:column}
}

/* ============ 研究页 · 杂志版式 ============ */
.research-cover{height:300px;border-radius:20px;overflow:hidden;margin:26px 0 34px;position:relative;background:linear-gradient(135deg,#152C54,#1B3A6B 55%,#204080);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--shadow)}
.research-cover::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:22px 22px;opacity:.4}
.research-cover .rc-inner{position:relative;text-align:center;padding:0 30px;z-index:1}
.research-cover .rc-ic{font-size:50px;margin-bottom:14px;color:#DCE5F1}
.research-cover .rc-kicker{font-size:12px;letter-spacing:4px;color:#DCE5F1;margin-bottom:12px;font-weight:700}
.research-cover .rc-title{font-size:clamp(20px,3vw,32px);font-weight:700;line-height:1.45;max-width:760px;margin:0 auto}
.research-cover .rc-meta{font-size:13px;color:#eadfcb;margin-top:16px;display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
.research-cover .rc-meta i{margin-right:5px}
.rintro{font-size:clamp(1.1875rem,1.9vw,1.375rem);color:var(--ink2);line-height:2.05}
.rintro p{margin-bottom:18px;text-align:justify}
.rpoints{margin:26px 0}
.rpoints h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:16px;display:flex;align-items:center;gap:10px}
.rpoints h3::before{content:"";width:22px;height:3px;background:var(--accent);border-radius:3px}
.rpoints ul{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.rpoints li{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:14.5px;color:var(--ink2);line-height:1.7;display:flex;gap:10px;align-items:flex-start}
.rpoints li i{color:var(--ok);margin-top:4px;flex-shrink:0}
.rcta{display:flex;justify-content:center;gap:16px;padding:12px 0 6px;flex-wrap:wrap}
.rnote{text-align:center;font-size:12.5px;color:var(--faint);padding-top:12px}
@media(max-width:760px){
  .rpoints ul{grid-template-columns:1fr}
  .research-cover .rc-ic{font-size:40px}
}

/* ============ 列表页 · 分类锚点导航 ============ */
.cat-nav{position:sticky;top:var(--header-h);z-index:900;background:rgba(246,248,251,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:10px clamp(20px,4vw,64px);margin-bottom:28px}
.cat-nav-inner{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.cat-nav-inner::-webkit-scrollbar{display:none}
.cnv{flex-shrink:0;font-size:13px;font-weight:600;padding:7px 16px;border-radius:999px;background:var(--paper);border:1px solid var(--line);color:var(--ink2);cursor:pointer;white-space:nowrap;transition:all .2s;font-family:var(--sans)}
.cnv:hover{border-color:var(--accent);color:var(--accent-ink)}
.cnv.active{background:var(--accent);border-color:var(--accent);color:#fff}
.cnv b{color:var(--accent);font-weight:800;margin-left:3px}
.cnv.active b{color:#fff}

/* ============ 页脚 ============ */
.footer{background:#131A28;color:#7C8AA6;padding:56px 0 0;margin-top:60px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer h5{color:#E2E9F3;font-size:15.5px;font-weight:700;margin-bottom:14px;letter-spacing:1px}
.footer p,.footer li{font-size:13.5px;line-height:2;color:#7C8AA6}
.footer a{color:#A3BCE0}
.footer a:hover{color:#E2E9F3}
.footer .f-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer .f-logo{width:46px;height:46px;border-radius:12px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;overflow:hidden}
.footer .f-logo .iconfont{color:#fff;font-size:31px;line-height:1;transform:translateY(-1px)}
.footer .f-name{color:#E2E9F3;font-size:20px;font-weight:700;text-align:center}
.footer .f-name small{display:block;font-size:10.5px;letter-spacing:.7px;margin-right:-.7px;color:#64708A;font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:20px 0;font-size:12.5px;color:#64708A}

/* ============ 响应式 ============ */
@media(max-width:1080px){
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:960px){
  .nav{display:none}
  .menu-toggle{display:flex}
  .header-cta .btn{display:none}
}
@media(max-width:720px){
  .news-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .page-hero{padding-top:calc(var(--header-h) + 36px)}
  .article-nav a{max-width:100%}
}