@font-face{font-family:'Open Sans';font-style:normal;font-weight:400;font-display:swap;src:url('assets/fonts/open-sans-regular.ttf') format('truetype')}
@font-face{font-family:'Open Sans';font-style:normal;font-weight:600;font-display:swap;src:url('assets/fonts/open-sans-semibold.ttf') format('truetype')}
@font-face{font-family:'Open Sans';font-style:normal;font-weight:700;font-display:swap;src:url('assets/fonts/open-sans-bold.ttf') format('truetype')}
:root{--ink:#213342;--muted:#74808a;--line:#e2e7eb;--paper:#fff;--navy:#173348;--accent:#ac542c;--soft:#f4f6f8;--font:'Open Sans','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:1rem;line-height:1.75;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}button,a,input,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8eaaaf;outline-offset:4px}button:disabled{cursor:default}img{max-width:100%}.wrap{width:min(100%,1376px);margin-inline:auto;padding-inline:48px}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:0;transform:translateY(-180%);padding:10px 16px;background:var(--navy);color:white;z-index:20}.skip-link:focus{top:12px;transform:none}
/* Brand and navigation occupy separate, compact rows. */
.masthead{min-height:118px;display:flex;align-items:center;justify-content:space-between;gap:40px}.brand{display:flex;align-items:center;gap:15px;flex-shrink:0}.brand-mark{width:53px;height:53px;stroke:#34546a;stroke-width:1.35}.brand-lockup{display:flex;flex-direction:column;gap:2px}.brand-name{font-size:1.875rem;font-weight:700;line-height:1.3;letter-spacing:-.055em;color:var(--navy)}.brand-dot{color:var(--accent);margin-left:2px}.brand-caption{font-size:.8125rem;letter-spacing:.075em;color:#536675;line-height:1.6}.brand-caption-divider{color:#a1aeb6;margin-inline:8px}.header-search{display:flex;align-items:center;width:310px;border:1px solid #dbe1e6;border-radius:3px;background:#fbfcfd;transition:border-color .15s}.header-search:focus-within{border-color:#57798d}.header-search input{min-width:0;width:100%;border:0;background:transparent;padding:10px 4px 10px 15px;font-size:.875rem;color:var(--ink);outline:0}.header-search input::placeholder{color:#85929b}.header-search button{background:transparent;color:#617b8c;border:0;display:grid;place-items:center;padding:12px;flex-shrink:0}.navigation-bar{border-top:1px solid #f0f2f4;border-bottom:1px solid var(--line)}.navigation-inner{display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:57px}.main-nav{display:flex;align-self:stretch;align-items:stretch;gap:42px}.main-nav a{display:flex;align-items:center;white-space:nowrap;position:relative;font-size:1rem;line-height:1.5}.main-nav a:hover,.main-nav a.current{color:var(--accent)}.main-nav a.current:after{content:'';position:absolute;bottom:-1px;left:0;right:0;background:var(--accent);height:2px}.nav-caption{font-size:.6875rem;letter-spacing:.1em;color:#84919a;line-height:1.5}
/* Split feature: full contrast for text, an unobstructed Earth photograph. */
.intro{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:29px 0 22px}h1{font-size:1.625rem;font-weight:600;line-height:1.4;margin:0;letter-spacing:.005em}h1 span{font-size:1.125rem;color:#697b88;font-weight:400;border-left:1px solid #c7d1d8;margin-left:19px;padding-left:19px}.edition{font-size:.8125rem;color:#6f7d88;line-height:1.5;margin:0;display:flex;align-items:center;gap:17px}.edition>span{font-size:.75rem;color:#89959e}.feature{display:grid;grid-template-columns:1fr 1fr;background:var(--navy);color:#fff;min-height:386px}.feature-content{padding:29px 38px 31px;display:flex;flex-direction:column;align-items:flex-start}.feature-top{display:flex;align-items:center;gap:18px;margin-bottom:24px}.kicker{font-size:.8125rem;color:#f3d0b0;font-weight:600}.feature-index{font-size:.6875rem;letter-spacing:.14em;color:#9eb4c3;border-left:1px solid #587285;padding-left:18px}.feature-journal{font-size:.8125rem;line-height:1.5;margin:0 0 8px;color:#c5d7e3;font-weight:600}.feature-journal span{font-weight:400;font-size:.75rem;margin-left:4px;color:#a4bbc9}.feature h2{font-size:1.875rem;font-weight:600;line-height:1.55;margin:0;letter-spacing:0}.feature h2 a:hover{color:#f3d0b0}.feature-subtitle{font-size:.875rem;color:#b6cad7;margin:8px 0 13px;line-height:1.6}.feature-description{font-size:1rem;line-height:1.8;color:#d0dce4;max-width:470px;margin:0 0 21px}.feature-link{display:inline-flex;align-items:center;gap:27px;color:#fff;font-size:.875rem;border-bottom:1px solid #7b95a6;padding:3px 0 5px;margin-top:auto}.feature-link span{font-size:1.125rem;color:#eac29e}.feature-visual{position:relative;min-width:0;overflow:hidden}.feature-image{display:block;position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:64% center}.image-credit{position:absolute;right:13px;bottom:11px;color:#eff5fa;font-size:.75rem;line-height:1.6;padding:3px 8px;background:#102739ab}.image-credit:hover{background:#102739}
/* Research and news share a horizontal reading line. */
.content-columns{display:grid;grid-template-columns:minmax(0,2.12fr) minmax(300px,1fr);gap:46px;margin-top:37px;align-items:start}.content-section{min-width:0;scroll-margin-top:25px}.section-heading{border-top:3px solid var(--ink);border-bottom:1px solid #b7c3cd;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0 13px}.section-heading h2{display:flex;align-items:baseline;gap:10px;margin:0;font-size:1.3125rem;font-weight:600;line-height:1.5;white-space:nowrap}.section-english{font-size:.875rem;font-weight:400;color:#72818b}.count{font-size:.6875rem;font-weight:600;padding:0 6px;border:1px solid #d7dfe5;color:#6b8291;line-height:1.5;align-self:center;margin-left:1px;border-radius:2px}.section-note{font-size:.75rem;color:#6b7c89;white-space:nowrap}.library-controls{padding-top:15px}.filter-list{display:flex;flex-wrap:wrap;gap:7px 5px}.filter{border:0;border-radius:2px;background:transparent;padding:5px 9px;color:#677987;font-size:.8125rem;line-height:1.7;transition:background .15s}.filter:hover{background:#edf2f5;color:var(--navy)}.filter.active{background:var(--navy);color:white}.results-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0 9px;border-bottom:1px solid var(--line)}.results-status{color:#6d7d89;font-size:.75rem;margin:0;line-height:1.6;overflow-wrap:anywhere}.sort-label{flex-shrink:0}.sort-label select{border:0;background:white;color:#758591;font-size:.75rem;padding:4px 0 4px 6px;max-width:145px}.paper-card{position:relative;display:flex;flex-direction:column;padding:25px 0 26px;border-bottom:1px solid var(--line)}.paper-meta{display:flex;align-items:center;flex-wrap:wrap;gap:6px 10px;margin-bottom:11px;font-size:.75rem;line-height:1.6}.paper-type{margin:0;color:var(--accent);white-space:nowrap}.paper-type:after{content:'/';color:#bec8cf;margin-left:10px}.paper-journal{margin:0;color:#667e8f;overflow-wrap:anywhere}.paper-date{margin-left:auto;color:#6d7d89;white-space:nowrap;font-variant-numeric:tabular-nums}.paper-card h3{margin:0 0 6px;font-size:1.375rem;font-weight:600;line-height:1.6;color:#253b4c;letter-spacing:0}.paper-card h3 a:hover{color:var(--accent)}.original-title{font-size:.9375rem;color:#617583;line-height:1.65;margin:0 0 11px}.paper-summary{font-size:1rem;line-height:1.85;color:#596e7e;margin:0 0 15px}.paper-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px}.paper-tags{display:flex;flex-wrap:wrap;gap:5px 13px}.tag{font-size:.75rem;color:#728b9b;line-height:1.6}.tag:before{content:'#';margin-right:3px;color:#a0b2bc}.paper-open{font-size:.75rem;color:#536f83;white-space:nowrap;flex-shrink:0}.paper-open:hover{color:var(--accent)}.more-row{text-align:center;margin-top:24px}.more-button,.reset-button{background:white;border:1px solid #cdd8e0;border-radius:2px;font-size:.875rem;color:#4e6c80;padding:9px 24px;line-height:1.7}.more-button:hover,.reset-button:hover{background:var(--soft)}.more-button[hidden]{display:none}.empty-state{padding:45px 18px;text-align:center;border-bottom:1px solid var(--line)}.empty-state h3{font-weight:600;font-size:1.125rem;margin:0 0 10px}.empty-state p{font-size:.875rem;color:var(--muted);margin:0 0 23px}
/* News keeps its own compact editorial column. */
.news-grid{display:flex;flex-direction:column}.news-card{display:flex;flex-direction:column;padding:24px 0 25px;border-bottom:1px solid var(--line);position:relative}.news-card:first-child{padding-top:20px}.news-label{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px}.news-type{font-size:.75rem;color:var(--accent);line-height:1.5}.news-number{font-size:.6875rem;color:#abb6be}.news-card h3{font-size:1.1875rem;font-weight:600;line-height:1.7;margin:0 0 10px;color:#2c4354}.news-card h3 a:hover{color:var(--accent)}.news-card .summary{font-size:.9375rem;line-height:1.85;margin:0 0 14px;color:#617583}.news-bottom{display:flex;justify-content:space-between;align-items:center;gap:8px;color:#6d7d89;font-size:.75rem;line-height:1.7}.news-bottom a{color:#496b82;white-space:nowrap}.news-bottom a:hover{color:var(--accent)}.meta{margin:0;color:#6d7d89;font-size:.75rem}
/* About and footer. */
.about-section{display:grid;grid-template-columns:1fr 1.5fr;gap:70px;border-top:1px solid #d7e0e7;margin:58px 0 47px;padding-top:32px}.eyebrow{font-size:.6875rem;letter-spacing:.13em;color:#81949f;margin:0 0 12px}.about-section h2{font-size:1.5rem;font-weight:400;line-height:1.65;margin:0;color:#465f70}.about-copy p{font-size:.9375rem;line-height:1.9;color:#758591;margin:0 0 14px}.about-copy .curation-note{font-size:.75rem;color:#8c99a2}.credits{font-size:.75rem;color:#7d8e9a;margin-top:17px}.credits summary{cursor:pointer}.credits p{font-size:.75rem;line-height:1.9;margin:10px 0}.credits a{color:#486e88;text-decoration:underline;text-underline-offset:3px}footer{background:#f5f7f9;border-top:1px solid #e5eaee}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:28px}.footer-brand{font-size:1.0625rem;font-weight:600;color:#476275;line-height:1.6;letter-spacing:-.025em}.footer-brand span{display:block;font-size:.75rem;letter-spacing:0;font-weight:400;color:#95a1aa}.footer-inner>p,.footer-inner>span{color:#919da5;font-size:.75rem;margin:0}
@media(min-width:1550px){.wrap{width:min(100%,1456px)}.feature{grid-template-columns:.96fr 1.04fr}.feature-content{padding:34px 43px}.feature h2{font-size:2rem}.content-columns{gap:55px}}
@media(max-width:1100px){.wrap{padding-inline:30px}.content-columns{gap:30px;grid-template-columns:minmax(0,1.9fr) minmax(275px,1fr)}.nav-caption{font-size:.625rem;letter-spacing:.04em}.feature-content{padding:27px 28px}.feature h2{font-size:1.625rem}.feature-description{font-size:.9375rem}.section-note{display:none}.paper-date{margin-left:0}.paper-card h3{font-size:1.25rem}.brand-caption{font-size:.75rem}.brand-name{font-size:1.75rem}.header-search{width:275px}.main-nav{gap:35px}}
@media(max-width:820px){.masthead{gap:25px}.brand-mark{width:43px;height:43px}.brand{gap:11px}.brand-name{font-size:1.625rem}.brand-caption{font-size:.6875rem;letter-spacing:.02em}.header-search{width:225px}.header-search input{font-size:.8125rem}.nav-caption{display:none}.feature{grid-template-columns:1.2fr 1fr;min-height:370px}.feature-content{padding:25px}.feature h2{font-size:1.5rem}.feature-subtitle{font-size:.8125rem}.feature-top{gap:13px}.feature-index{font-size:.625rem;padding-left:13px}.content-columns{grid-template-columns:minmax(0,1.7fr) minmax(245px,1fr);gap:26px}.news-card .summary{font-size:.875rem}.news-card h3{font-size:1.0625rem}.section-heading h2{font-size:1.1875rem;gap:8px}.section-english{font-size:.75rem}.paper-card h3{font-size:1.1875rem}.paper-summary{font-size:.9375rem}.paper-bottom{align-items:flex-end}.about-section{gap:35px}}
@media(max-width:680px){.wrap{padding-inline:22px}.masthead{min-height:0;padding-block:24px 19px;flex-wrap:wrap;gap:19px}.brand-name{font-size:1.75rem}.brand-caption{font-size:.75rem}.brand-mark{width:46px;height:46px}.header-search{width:100%;background:white}.header-search input{font-size:.875rem;padding-block:8px}.header-search button{padding:10px 13px}.navigation-inner{min-height:52px}.main-nav{width:100%;justify-content:space-between;gap:15px}.main-nav a{font-size:.9375rem}.intro{padding:23px 0 18px;align-items:flex-start}.intro h1{font-size:1.375rem;line-height:1.6}.intro h1 span{font-size:.875rem;padding-left:11px;margin-left:11px}.edition{display:none}.feature{display:flex;flex-direction:column;min-height:0}.feature-content{padding:24px 25px 28px;order:2}.feature-visual{height:180px;min-height:180px;order:1}.feature-image{object-position:center 45%}.feature h2{font-size:1.625rem;line-height:1.55}.feature-top{margin-bottom:18px;gap:17px}.feature-index{font-size:.6875rem}.feature-journal{font-size:.8125rem}.feature-subtitle{font-size:.875rem;margin-bottom:13px}.feature-description{font-size:1rem;line-height:1.8;margin-bottom:18px}.image-credit{font-size:.625rem;bottom:8px;right:9px}.content-columns{grid-template-columns:1fr;gap:36px;margin-top:29px}.section-heading{min-height:57px;padding:11px 0}.section-heading h2{font-size:1.25rem;gap:10px}.section-english{font-size:.8125rem}.section-note{display:block;font-size:.6875rem}.filter-list{gap:5px}.filter{font-size:.8125rem;padding:5px 9px}.paper-card{padding:22px 0 23px}.paper-card h3{font-size:1.25rem;line-height:1.65;margin-bottom:7px}.paper-meta{font-size:.6875rem;gap:5px 8px;margin-bottom:10px}.paper-date{margin-left:auto}.paper-summary{font-size:1rem}.original-title{font-size:.875rem;line-height:1.7}.paper-bottom{align-items:flex-start;gap:10px}.paper-tags{gap:4px 10px}.tag{font-size:.6875rem}.paper-open{font-size:.75rem}.news-card{padding:23px 0}.news-card h3{font-size:1.1875rem}.news-card .summary{font-size:1rem}.news-bottom{font-size:.75rem}.news-type{font-size:.8125rem}.about-section{grid-template-columns:1fr;gap:23px;margin-top:40px;margin-bottom:34px;padding-top:27px}.about-section h2{font-size:1.375rem}.about-copy p{font-size:.9375rem}.footer-inner{flex-wrap:wrap;gap:17px;padding-block:24px}.footer-inner>p{display:none}.footer-inner>span{font-size:.6875rem}.more-row{margin-top:20px}}
@media(max-width:360px){.wrap{padding-inline:18px}.brand-name{font-size:1.5rem}.brand-mark{width:40px;height:40px}.brand-caption{font-size:.625rem}.main-nav a{font-size:.875rem}.feature-content{padding:22px 20px 26px}.feature h2{font-size:1.4375rem}.feature-visual{height:150px;min-height:150px}.section-note{display:none}.paper-date{margin-left:0}.paper-meta{gap:5px 7px}.paper-bottom{flex-wrap:wrap}.paper-open{margin-left:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Bilingual reading: keep provenance next to each title in both languages. */
.header-tools{display:flex;align-items:center;gap:24px;min-width:0}.language-switch{display:flex;align-items:center;border:1px solid #d1dbe2;border-radius:3px;padding:3px;flex-shrink:0;gap:2px}.language-option{padding:5px 10px;font-size:.8125rem;line-height:1.6;color:#526979;border-radius:2px;white-space:nowrap}.language-option.active{background:var(--navy);color:#fff}.language-option:hover:not(.active){background:#edf2f5}.title-block{width:100%;overflow-wrap:break-word}.title-badge{display:inline-block;vertical-align:middle;margin-left:10px;margin-block:2px;padding:2px 6px;font-size:.625rem;font-weight:400;line-height:1.65;letter-spacing:0;white-space:nowrap;border-radius:2px;transform:translateY(-1px)}.is-translated{color:#924927;background:#fbf2e9;border:1px solid #efddce}.is-original{color:#526d7e;background:#f0f4f6;border:1px solid #dee7ed}.original-title{font-size:.875rem;color:#607684;line-height:1.7;margin:3px 0 13px}.original-label{display:inline-block;font-size:.6875rem;color:#718695;margin-right:9px;font-weight:600}.summary-label{font-size:.6875rem;color:#526c7e;display:inline-block;margin-right:9px;font-weight:600;letter-spacing:.01em}.feature .original-title{color:#c4d6e2;margin:12px 0 15px;font-size:.875rem}.feature .original-label{color:#b4c8d6}.feature .is-translated{color:#f2d9bf;background:#294454;border-color:#58707f}.feature .is-original{color:#cadce7;background:#294454;border-color:#58707f}.feature .summary-label{color:#c1d4e0}.feature-description{margin-top:15px}.feature .original-title+.feature-description{margin-top:0}.translation-note{display:flex;align-items:baseline;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding:14px 0;color:#657988;font-size:.75rem;line-height:1.8}.translation-note p{margin:0}.translation-note>a{color:#8a502f;white-space:nowrap;text-decoration:underline;text-underline-offset:3px}.content-columns{margin-top:28px}.news-card .original-title{font-size:.8125rem;margin-bottom:12px}.news-card .title-badge{margin-left:8px}.about-copy h3{font-size:.9375rem;font-weight:600;color:#405b6d;margin:20px 0 8px}.about-copy p{color:#607583}html[lang=en] .brand-caption{letter-spacing:.015em;font-size:.75rem}html[lang=en] .feature h2{line-height:1.4}html[lang=en] .paper-card h3{line-height:1.5}html[lang=en] .news-card h3{line-height:1.5}html[lang=en] .filter{font-size:.75rem}html[lang=en] .intro h1 span{display:inline-block}
@media(max-width:1100px){.masthead{gap:22px}.header-tools{gap:14px}.header-search{width:235px}.language-option{padding:5px 8px}html[lang=en] .intro h1 span{font-size:1rem}}
@media(min-width:681px) and (max-width:900px){.header-tools{flex-direction:column;align-items:flex-end;gap:10px;padding-block:16px}.intro{align-items:flex-start}.intro h1 span{display:block;border:0;padding:0;margin:5px 0 0}.edition{font-size:.6875rem;gap:7px}.feature h2{font-size:1.5rem}.feature-content{padding:24px}}
@media(max-width:680px){.masthead{gap:17px}.header-tools{width:100%;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.header-search{width:auto;grid-column:1;grid-row:1;min-width:0}.language-switch{grid-column:2;grid-row:1}.language-option{padding:5px 7px;font-size:.75rem}.header-search input{font-size:.8125rem;padding-left:10px}.header-search button{padding:10px 8px}.translation-note{display:block;padding-block:12px}.translation-note>a{display:inline-block;margin-top:5px}.title-badge{font-size:.625rem;margin-left:8px}.feature .original-title{font-size:.875rem}.feature-description{font-size:.9375rem}.intro h1 span{display:block;border:0;padding:0;margin:4px 0 0}html[lang=en] .intro h1 span{display:block}.feature-top{flex-wrap:wrap;gap:8px 14px}.feature-index{letter-spacing:.08em}.news-card .original-title{font-size:.875rem}.edition{display:none}}
@media(max-width:360px){.header-tools{grid-template-columns:1fr}.language-switch{grid-column:1;grid-row:1;justify-self:start}.header-search{grid-column:1;grid-row:2;width:100%}.brand-caption{font-size:.6875rem}html[lang=en] .brand-caption{font-size:.6875rem}.title-badge{white-space:normal}.translation-note{font-size:.75rem}}

/* Category scope and verified author metadata. */
.category-description{font-size:.75rem;line-height:1.8;color:#637a8a;background:#f5f7f9;border-left:2px solid #cad7df;padding:9px 12px;margin:13px 0 0}.paper-authors{font-size:.75rem;line-height:1.8;color:#627888;margin:0 0 12px;overflow-wrap:anywhere}.paper-authors>span:first-child{color:#526c7e;font-weight:600;margin-right:5px}.filter{white-space:normal;text-align:left}.filter-list{row-gap:7px}

/* Fluid glass controls, with calm opaque reading surfaces. */
:root{--accent:#367b9c;--soft:#f0f5f9;--line:#dfe8ef;--muted:#647987;--glass:rgba(255,255,255,.7);--glass-edge:rgba(255,255,255,.92);--glass-shadow:0 6px 24px #23455d0b,inset 0 1px 0 #ffffffc7}
body{background:radial-gradient(ellipse at 90% 0%,#dcecf780,transparent 38%),radial-gradient(ellipse at 0% 15%,#ebf2f9,transparent 34%),#fafcfe;background-attachment:fixed}
.site-header{background:#ffffff50;border-bottom:1px solid #ffffffb3}
.masthead{min-height:112px}.brand-mark{stroke:#39647e}.brand-name{letter-spacing:-.05em}.brand-caption{color:#698092}
.header-tools{gap:18px}.language-switch{padding:5px;gap:3px;border:1px solid var(--glass-edge);border-radius:999px;background:linear-gradient(140deg,#ffffffd9,#dce8f1a3);box-shadow:0 3px 14px #35597412,inset 0 1px 2px #fff;backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%)}
.language-option{border-radius:999px;padding:7px 14px;line-height:1.6;color:#4b6577;transition:background .2s,box-shadow .2s,transform .2s}
.language-option.active{color:#173c55;background:linear-gradient(170deg,#fff,#f5faff);box-shadow:0 2px 8px #29516c21,inset 0 0 0 1px #fff;font-weight:600}.language-option:hover:not(.active){background:#ffffff80;color:#173c55}.language-option:active{transform:scale(.97)}
.header-search{background:#ffffff8f;border-color:#ffffffc9;border-radius:999px;box-shadow:var(--glass-shadow);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.header-search:focus-within{background:#ffffffdf;border-color:#9dc0d8;box-shadow:0 0 0 3px #8bb9d323}.header-search input{padding-left:19px}.header-search button{border-radius:50%;margin-right:3px}
.navigation-bar{border:0;background:transparent;padding-bottom:14px}.navigation-inner{min-height:54px}.main-nav{align-items:center;gap:6px;background:linear-gradient(145deg,#fff9,#dfebf58a);padding:5px;border:1px solid #fff;border-radius:999px;box-shadow:var(--glass-shadow);backdrop-filter:blur(24px) saturate(150%);-webkit-backdrop-filter:blur(24px) saturate(150%)}.main-nav a{padding:8px 21px;border-radius:999px;font-size:.875rem;color:#5f7687;transition:background .2s,box-shadow .2s}.main-nav a.current{color:#183e56;background:#fff;box-shadow:0 2px 9px #39597814}.main-nav a.current:after{display:none}.main-nav a:hover{color:#173348;background:#ffffffa6}.nav-caption{color:#71899a;letter-spacing:.12em}
.intro{padding:25px 0 23px}.intro h1{font-size:1.7rem;letter-spacing:-.02em;font-weight:600}.intro h1 span{border:0;color:#7b91a1;padding-left:0;font-size:1rem}.edition{padding:8px 14px;border:1px solid #fff;border-radius:999px;background:#ffffff73;font-size:.75rem;gap:10px}
.feature{border-radius:28px;overflow:hidden;box-shadow:0 18px 45px -24px #1d466966,0 0 0 1px #ffffffc7;background:linear-gradient(125deg,#17364e,#1c425b)}.feature-content{padding:32px 38px}.feature-top{margin-bottom:22px}.kicker{color:#d1eaff;background:#ffffff16;border:1px solid #ffffff29;border-radius:999px;padding:4px 12px;backdrop-filter:blur(12px)}.feature-index{color:#adc7d8;border:0;padding-left:0;letter-spacing:.1em}.feature-visual:after{content:'';position:absolute;inset:0;pointer-events:none;box-shadow:inset 1px 0 0 #ffffff1c}.feature h2 a:hover{color:#d1eaff}.feature-link{border:1px solid #ffffff35;border-radius:999px;padding:9px 17px;background:linear-gradient(150deg,#ffffff21,#ffffff0a);box-shadow:inset 0 1px 0 #ffffff20;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);gap:20px}.feature-link span{color:#cee9fa}.feature-link:hover{background:#ffffff29}.image-credit{border-radius:999px;border:1px solid #ffffff38;padding:5px 11px;right:15px;bottom:15px;background:#173a526e;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.translation-note{border:0;padding:16px 5px 0;font-size:.75rem}.translation-note>a{color:#52788d}.content-columns{gap:34px;margin-top:25px}.section-heading{border-top:0;border-bottom:1px solid #dce6ed;padding-top:10px;min-height:58px}.section-heading h2{font-size:1.3rem}.count{border:0;border-radius:999px;background:#e9f1f7;color:#52748c;min-width:25px;line-height:1.9;text-align:center;font-size:.75rem}.section-note{color:#7e94a3}
.library-controls{padding:16px 0 0}.filter-list{gap:7px}.filter{border-radius:999px;border:1px solid #dce7f0;background:#ffffffa8;padding:7px 12px;font-size:.8125rem;color:#5a768a;box-shadow:inset 0 1px 0 #fff;transition:background .2s,border-color .2s,box-shadow .2s}.filter.active{background:linear-gradient(145deg,#2b536e,#20445f);border-color:#345f7a;box-shadow:0 3px 10px #20455e1c,inset 0 1px 0 #ffffff25}.filter:hover:not(.active){background:#fff;border-color:#9cbdd3;box-shadow:0 4px 13px #3456700c}.category-description{border:1px solid #e2ebf2;border-radius:16px;background:#edf4f9a6;padding:11px 14px;color:#637d90}.results-toolbar{border:0;padding-bottom:15px}.sort-label select{border:1px solid #e1eaf1;border-radius:999px;background:#ffffffbb;padding:5px 10px;color:#5c788d}
.paper-list{display:flex;flex-direction:column;gap:14px}.paper-card{padding:24px 26px 23px;border:1px solid #e4ebf1;border-radius:22px;background:#ffffffed;box-shadow:0 3px 14px #24465d04;transition:box-shadow .2s,border-color .2s}.paper-card:hover{border-color:#ccdee9;box-shadow:0 8px 25px #294c6410}.paper-card h3{font-size:1.25rem;line-height:1.65}.paper-card h3 a:hover,.news-card h3 a:hover{color:#3b7fa0}.paper-type{color:#5685a0}.paper-summary{color:#536f83}.paper-open{border-radius:999px;background:#f0f6fa;padding:4px 11px;font-size:.75rem}.tag{background:#f4f8fb;border-radius:999px;padding:3px 9px;color:#6a8598}.tag:before{color:#91aabc}.paper-tags{gap:6px}.title-badge{border-radius:999px;padding:3px 8px;font-size:.6875rem}.is-translated{color:#677b87;background:#f0f5f8;border-color:#e1eaf0}.is-original{color:#668091;background:#f2f7fa;border-color:#e2ebf2}.feature .is-translated,.feature .is-original{border-color:#ffffff35;background:#ffffff0d;color:#cadfea}.more-button,.reset-button{border-radius:999px;background:#ffffffbf;border:1px solid #d2e2ec;box-shadow:var(--glass-shadow);padding:11px 25px}
.news-grid{gap:14px;padding-top:16px}.news-card,.news-card:first-child{padding:21px 23px;border-radius:22px;border:1px solid #dfe9f1;background:linear-gradient(135deg,#ffffffd9,#f1f7fcd6);box-shadow:inset 0 1px 0 #fff}.news-type{color:#5685a0}.news-number{font-size:.75rem;color:#91a9ba}.news-card h3{font-size:1.125rem}.news-card .summary{color:#617c8f}
.about-section{border:1px solid #e0e9f1;border-radius:26px;padding:32px;margin:48px 0 24px;background:#ffffffa6;gap:45px}.about-section h2{color:#355a74}.contact-section{border:1px solid #e0e9f1!important;border-radius:26px;background:#ffffffa6;padding:32px!important;margin-bottom:36px}.contact-section h2{font-size:1.5rem;font-weight:500}.contact-email{border-radius:12px;background:#f0f5f9;border:1px solid #e0e9f1!important;padding:5px 12px;min-height:40px!important}.eyebrow{letter-spacing:.12em}.footer-inner{gap:20px}footer{background:#eaf2f77a;border-color:#e0eaf1}.admin-footer-link{padding:7px 13px;border-radius:999px;background:#fff8;white-space:nowrap}
@supports not (backdrop-filter:blur(1px)){.language-switch,.main-nav,.header-search{background:#eef4f9}.image-credit{background:#18354dd9}}
@media(min-width:1550px){.feature-content{padding:35px 42px}}
@media(max-width:1100px){.main-nav a{padding-inline:17px}.nav-caption{font-size:.625rem}.content-columns{gap:25px}.feature-content{padding:28px}.paper-card{padding:21px}.news-card,.news-card:first-child{padding:19px}}
@media(max-width:820px){.main-nav a{padding-inline:18px}.feature h2{font-size:1.5rem}.feature-content{padding:26px}.content-columns{gap:20px}.paper-card{padding:19px}.news-card,.news-card:first-child{padding:17px}.paper-meta{font-size:.75rem}.about-section{gap:30px}.section-note{display:none}}
@media(max-width:680px){.wrap{padding-inline:18px}.masthead{padding-block:23px 17px;gap:17px;min-height:0}.brand-name{font-size:1.75rem}.header-tools{gap:10px}.language-switch{padding:4px;gap:1px}.language-option{padding:6px 9px;font-size:.75rem}.header-search input{padding-left:14px;font-size:.8125rem}.header-search button{padding:10px}.navigation-bar{padding-bottom:12px}.navigation-inner{min-height:48px}.main-nav{gap:0;padding:4px;justify-content:space-between;width:100%}.main-nav a{font-size:.8125rem;padding:8px 13px}.intro{padding:21px 0 19px}.intro h1{font-size:1.5rem}.intro h1 span{font-size:.875rem}.feature{border-radius:24px}.feature-content{padding:25px}.feature-visual{height:190px;min-height:190px}.feature h2{font-size:1.6rem}.feature-index{font-size:.6875rem}.feature-top{gap:14px}.translation-note{padding:15px 3px 0}.content-columns{gap:30px;margin-top:22px}.section-heading{min-height:56px}.section-note{display:block;font-size:.75rem}.filter{font-size:.8125rem;padding:6px 11px}.paper-card{padding:21px 20px;border-radius:21px}.paper-card h3{font-size:1.1875rem}.paper-meta{font-size:.75rem}.paper-date{margin-left:0}.paper-bottom{gap:8px}.paper-open{padding:4px 9px}.tag{font-size:.75rem}.paper-tags{gap:5px}.news-card,.news-card:first-child{padding:22px}.news-card h3{font-size:1.1875rem}.about-section{padding:25px 23px;gap:19px;margin-top:36px}.contact-section{padding:25px 23px!important}.about-copy p{font-size:.9375rem}.footer-inner{gap:16px}.image-credit{font-size:.6875rem}.header-search{min-width:0}.footer-inner>span{font-size:.75rem}}
@media(max-width:360px){.main-nav a{font-size:.75rem;padding:8px 10px}.header-tools{grid-template-columns:1fr auto}.language-switch{grid-column:2;grid-row:1}.header-search{grid-column:1;grid-row:1;width:auto}.language-option{padding:6px 7px}.feature-content{padding:23px}.paper-card{padding:19px 17px}}
@media(prefers-reduced-transparency:reduce){.language-switch,.main-nav,.header-search,.about-section,.contact-section,.news-card{background:#f5f8fc;backdrop-filter:none;-webkit-backdrop-filter:none}.feature-link,.image-credit{background:#264b65}}
@media(max-width:360px){.main-nav{flex-wrap:wrap;justify-content:center;border-radius:21px;gap:2px}.main-nav a{font-size:.8125rem;padding:7px 12px}.header-search input::placeholder{font-size:.75rem}}