:root{--sky:#48BAF1;--sky-soft:#BFEAFF;--sky-pale:#E9F8FF;--navy:#14344F;--navy-deep:#102B42;--action-blue:#116A9B;--action-hover:#0D5278;--paper:#FAFCFE;--paper-white:#FFFFFF;--fog:#F2F7FA;--border:#DBEAF2;--title:#173754;--body:#354A59;--muted:#416A80;--coral:#F08B82;--mint:#7BC7B4;--lavender:#AD9CDE;--apricot:#E2B36A}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);font-family:system-ui,-apple-system,'Noto Sans SC','Microsoft YaHei',sans-serif;color:var(--body);line-height:1.75;font-size:16px}a{color:var(--action-blue);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit}button,.button{cursor:pointer;min-height:44px;border:0;border-radius:12px;background:var(--action-blue);color:#fff;padding:9px 18px}button:hover,.button:hover{background:var(--action-hover);text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #efac58;outline-offset:3px}img{max-width:100%;height:auto;display:block}.container{width:min(1260px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;top:-100px}.skip:focus{top:0;z-index:30;background:#fff;padding:12px}.masthead{background:#fff;border-bottom:1px solid var(--border);position:relative;z-index:10}.mast-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;color:var(--title);min-width:170px}.brand b{font-size:24px;letter-spacing:.5px}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.4px;line-height:1}.logo{width:90px;max-height:48px;object-fit:contain}.mainnav,.tools,.category-items{display:flex;align-items:center;gap:clamp(12px,2vw,27px)}.mainnav a{color:var(--navy);font-weight:650;font-size:15px}.tools{gap:12px;white-space:nowrap}.menu-button{padding:8px 14px}.category-strip{background:var(--sky-pale);border-bottom:1px solid var(--border)}.category-items{min-height:42px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.category-items a{font-size:14px;color:var(--navy);flex-shrink:0}.content{padding-block:35px 70px;min-height:55vh}h1,h2,h3{color:var(--title);line-height:1.3;margin-top:0}h1{font-size:clamp(27px,3vw,38px)}h2{font-size:clamp(21px,2.2vw,27px)}h3{font-size:19px}.hero{display:grid;grid-template-columns:44% 56%;border:1px solid #adddf3;border-radius:18px;overflow:hidden;min-height:350px;background:linear-gradient(120deg,#e6f7ff,#c0eaff 55%,#f4fbff)}.hero-copy{padding:clamp(24px,3.5vw,54px);display:flex;flex-direction:column;justify-content:center}.hero h1{font-size:clamp(29px,3.1vw,40px);margin:12px 0}.hero p{max-width:390px}.hero-art{min-height:310px;display:flex;justify-content:center;align-items:center;background:linear-gradient(150deg,#bbe6f9,#e5f7ff)}.hero-art img{width:100%;height:100%;object-fit:contain}.hero-art:empty:after{content:'文化 · 讨论 · 阅读';color:#116a9b;font-size:clamp(21px,3vw,32px);font-weight:700;letter-spacing:5px;text-align:center}.eyebrow{font-weight:750;color:var(--action-blue);font-size:13px;letter-spacing:.06em}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.outline-button{display:inline-flex;align-items:center;border:1px solid #86b9d2;padding:8px 16px;border-radius:12px;background:#fff;color:var(--navy);min-height:44px}.button{display:inline-flex;align-items:center}.quicklinks{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}.quicklinks a{padding:9px 17px;border-radius:100px;background:#fff;border:1px solid var(--border)}.homepage-section{margin-top:clamp(32px,4.5vw,58px)}.section-title{display:flex;justify-content:space-between;gap:18px;align-items:end;border-bottom:2px solid var(--border);margin-bottom:21px}.section-title h2{margin:0 0 11px}.section-title a{margin-bottom:12px}.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 4px 18px #17375408}.story-image{width:100%;aspect-ratio:16/9;object-fit:contain;background:var(--sky-pale)}.story-copy{padding:20px}.story-copy h3{margin:8px 0;font-size:18px}.story-copy h3 a{color:var(--title)}.story-copy p{font-size:14px;line-height:1.7;margin:0 0 12px}.small{font-size:12px;color:var(--muted)}.split-block{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.split-block .story:first-child{grid-row:span 2}.split-block .story:first-child .story-image{aspect-ratio:3/2}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.compact-story{display:flex;gap:15px;align-items:center;padding:16px;background:#fff;border:1px solid var(--border);border-radius:13px}.compact-story .story-image{width:32%;flex-shrink:0;aspect-ratio:3/2}.compact-story h3{font-size:17px;margin:0 0 5px}.compact-story p{font-size:13px;margin:0}.section-head{background:var(--sky-pale);padding:30px;border-radius:18px;display:flex;justify-content:space-between;gap:30px;margin-bottom:30px}.section-head>div{flex:1}.section-head p{max-width:720px}.intro-image{max-width:34%;max-height:190px;object-fit:contain}.crumb{font-size:14px;color:var(--muted);margin-bottom:18px}.article-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(190px,270px);gap:45px}.article-body{font-size:17px;line-height:1.85}.article-body p{margin:0 0 1.4em}.article-meta{margin:0 0 20px;padding-bottom:15px;border-bottom:1px solid var(--border);color:var(--muted);font-size:14px}.article-image{max-height:430px;width:100%;object-fit:contain;background:var(--sky-pale);margin:0 0 25px}.aside-panel{border-radius:14px;background:var(--sky-pale);padding:23px;align-self:start}.aside-panel a{display:block;margin-top:12px}.tag{display:inline-block;border-radius:99px;background:var(--sky-pale);color:var(--navy);padding:3px 12px;font-size:13px;margin:5px}.pagination{display:flex;gap:9px;justify-content:center;margin:32px 0}.pagination a{padding:5px 15px;border:1px solid var(--border);border-radius:8px}.pagination a[aria-current]{background:var(--action-blue);color:#fff}.search-form{display:flex;gap:10px;margin:20px 0 30px}.search-form input,.form input,.form textarea,.form select{border:1px solid #a5c6d9;background:#fff;border-radius:10px;padding:11px 13px;width:100%;min-height:44px}.search-form input{max-width:630px}.form{display:grid;gap:15px;max-width:750px}.form label{display:block;font-weight:650}.form textarea{min-height:155px;resize:vertical}.notice{padding:16px 20px;background:#e8f7fc;border:1px solid #abd9e9;border-radius:12px;margin:18px 0}.error{background:#fff2ee;border-color:#e8a89b}.forum-table{display:grid;gap:12px}.forum-item{padding:20px;border:1px solid var(--border);background:#fff;border-radius:12px}.forum-item h3{margin:0 0 8px}.forum-item p{margin:0 0 8px}.thread-content{max-width:800px;white-space:pre-wrap;overflow-wrap:anywhere}.footer{background:var(--navy-deep);color:#e7f5fd;margin-top:70px;padding:45px 0 25px}.footer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:25px}.footer h3{color:#fff;font-size:16px}.footer a{display:block;color:#d6edf9;font-size:14px;margin:9px 0}.footer-end{border-top:1px solid #345b70;margin-top:26px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}.scrim{position:fixed;inset:0;background:#081d3080;z-index:20}.scrim[hidden]{display:none}.drawer{background:#fff;position:fixed;right:0;top:0;height:100dvh;width:min(430px,88vw);overflow-y:auto;z-index:21;transform:translateX(105%);visibility:hidden;transition:transform .2s,visibility .2s;padding:24px;box-shadow:-10px 0 25px #1737541a}.drawer.visible{transform:translateX(0);visibility:visible}.drawer-top{display:flex;justify-content:space-between;align-items:center}.drawer h3{margin:26px 0 12px;font-size:15px}.drawer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.drawer-links a{font-size:14px;padding:8px;background:var(--sky-pale);border-radius:8px}.menu-open{overflow:hidden}.mobile-nav{display:none}@media(max-width:1150px){.mainnav{display:none}.story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr) 210px}}@media(max-width:760px){.container{width:calc(100% - 34px)}.mast-inner{min-height:64px}.brand b{font-size:20px}.tools{gap:4px}.tools>a{font-size:13px}.menu-button{font-size:12px;padding:8px}.category-items{gap:20px}.hero{grid-template-columns:1fr}.hero-copy{padding:25px}.hero-art{min-height:220px}.quicklinks{gap:8px}.story-grid,.two-col,.split-block{grid-template-columns:1fr}.article-layout{display:block}.aside-panel{margin-top:25px}.section-head{padding:22px}.section-head .intro-image{display:none}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-end{display:grid}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:12;background:#fff;border-top:1px solid var(--border);justify-content:space-around;padding:6px 8px max(6px,env(safe-area-inset-bottom))}.mobile-nav a{display:flex;flex-direction:column;align-items:center;color:var(--navy);font-size:23px;line-height:1.15}.mobile-nav span{font-size:12px}.footer{padding-bottom:90px}.content{padding-bottom:35px}}@media(max-width:420px){.tools>a{display:none}.brand{min-width:unset}.brand small{font-size:9px}.story-copy{padding:16px}.section-title{align-items:center}.section-title a{font-size:13px}}
/* 焦点观察站全新排版：保留原有天空蓝配色变量及图片尺寸策略 */
.spotlight-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.spotlight-lead{grid-column:span 2;grid-row:span 2}.spotlight-lead .card{height:100%}.spotlight-lead .story-image{aspect-ratio:3/2}.spotlight-lead .story-copy h3{font-size:25px}.spotlight-item .card{height:100%}.feature-band{display:grid;grid-template-columns:1fr .85fr;gap:25px;align-items:center;background:var(--sky-pale);border-radius:18px;padding:35px;border:1px solid var(--border)}.feature-band h2{margin:12px 0}.feature-band p{max-width:520px}.feature-band-art{min-height:190px;border-radius:14px;background:linear-gradient(130deg,#bfeaff,#ffffff);display:flex;justify-content:center;align-items:center}.feature-band-art img{max-height:280px;object-fit:contain}.collection-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.collection-tile{background:white;border:1px solid var(--border);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:10px;color:var(--body);min-height:170px}.collection-tile strong{font-size:19px;color:var(--title)}.collection-tile>span:last-child{font-size:14px}.collection-tile:hover{background:var(--sky-pale);text-decoration:none}@media(max-width:1100px){.spotlight-grid,.collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.spotlight-grid{grid-template-columns:1fr 1fr}.spotlight-lead{grid-column:span 2;grid-row:auto}.feature-band{grid-template-columns:1fr;padding:25px}.collection-grid{grid-template-columns:1fr 1fr}}@media(max-width:490px){.spotlight-grid,.collection-grid{grid-template-columns:1fr}.spotlight-lead{grid-column:auto}.spotlight-lead .story-copy h3{font-size:19px}}