@charset "UTF-8";
:root{--accent:#6d5dfc;--ink:#24304a;--muted:#8991a4;--line:#e9ecf4;--bg:#f6f7fb;--columns:4}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:14px/1.65 system-ui,-apple-system,"Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a.button{cursor:pointer}button{border:0}img{max-width:100%;display:block}button:focus-visible,a:focus-visible{outline:3px solid #bbb2ff;outline-offset:3px}.wrap{width:min(1280px,calc(100% - 48px));margin:0 auto}.site-header{position:sticky;top:0;background:#fffffff2;backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:50}.header-row{display:flex;align-items:center;gap:28px;min-height:74px}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;font-size:23px;letter-spacing:-.8px;color:var(--accent)}.brand img{width:34px;height:34px;object-fit:contain}.main-nav{display:flex;gap:22px;align-items:center;margin-left:auto}.main-nav a{font-weight:600}.main-nav a:hover,.main-nav a.active{color:var(--accent)}.nav-group{position:relative;padding:24px 0}.sub-nav:empty{display:none}.sub-nav{display:none;position:absolute;top:60px;left:-14px;min-width:170px;padding:12px;background:white;box-shadow:0 10px 25px #24304a14;border:1px solid var(--line);border-radius:12px}.sub-nav a{display:block;padding:7px}.nav-group:hover .sub-nav,.nav-group:focus-within .sub-nav{display:block}.auth-nav{display:flex;align-items:center;gap:15px;white-space:nowrap}.mobile-menu{display:none;background:none;font-size:24px;color:var(--ink)}.button,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 19px;border-radius:9px;line-height:1.3;background:var(--accent);color:white;font-weight:650}.button.small{padding:9px 16px}.secondary{background:#f1efff;color:var(--accent)}.announcement{display:flex;gap:12px;align-items:center;margin-top:18px;padding:10px 16px;border-radius:9px;background:linear-gradient(105deg,#ebe7ff,#fce9f2);font-size:13px;color:#605677}.announcement span{font-weight:750;white-space:nowrap}.announcement p{margin:0}.hero{text-align:center;padding:40px 20px 28px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:800;color:var(--accent)}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(25px,3.2vw,39px);letter-spacing:-1px;line-height:1.35;margin:10px 0}.hero>p:not(.eyebrow){color:var(--muted)}.hero small{display:block;margin:12px;color:var(--muted);font-size:11px}.search-form{display:flex;align-items:center;gap:12px;border:1px solid #dedfee;background:white;border-radius:12px;max-width:620px;margin:24px auto 0;overflow:hidden;box-shadow:0 8px 24px #5851b20a}.search-form span{font-size:27px;color:#a0a6b6;margin-left:15px}.search-form input{width:100%;min-width:0;border:0;outline:none;padding:14px 0;color:var(--ink)}.search-form button{background:var(--accent);color:white;align-self:stretch;padding:0 28px;white-space:nowrap}.banner-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:10px 0 20px}.feature-banner{position:relative;overflow:hidden;border-radius:15px;min-height:160px;background:linear-gradient(120deg,#33396f,#816dea);color:white}.feature-banner img{width:100%;height:100%;position:absolute;object-fit:cover}.feature-banner>div{position:relative;padding:25px;background:linear-gradient(90deg,#18213ca8,transparent);height:100%}.feature-banner h2{font-size:24px;margin-bottom:6px}.feature-banner p{margin-bottom:8px}.feature-banner span{font-size:12px;opacity:.8}.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0 0 32px}.quick-card{display:flex;position:relative;overflow:hidden;align-items:center;gap:14px;padding:24px;border-radius:13px;background:#ebeaff;color:#4b4597;min-height:105px}.quick-card>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.18}.quick-card>*:not(img){position:relative}.quick-icon{font-size:36px;line-height:1}.quick-card strong{font-size:17px}.quick-card p{margin:3px 0 0;font-size:12px;opacity:.7}.quick-card>span:last-child{margin-left:auto;font-size:21px}.tone-1{background:#e2f4f0;color:#348a77}.tone-2{background:#fff0e5;color:#bd8050}.tone-3{background:#f9e6f2;color:#a35a8e}.browse-layout{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:24px}.browse-layout.without-sidebar{grid-template-columns:1fr}.section-heading{display:flex;align-items:center;justify-content:space-between;margin:12px 0 15px}.section-heading h2{margin:0;font-size:21px;letter-spacing:-.5px}.section-heading h2:before{content:"";display:inline-block;width:4px;height:20px;background:var(--accent);border-radius:3px;vertical-align:-3px;margin-right:10px}.section-heading>span,.section-heading>a{font-size:12px;color:var(--muted)}.category-tabs,.child-tabs{display:flex;gap:7px;overflow:auto;white-space:nowrap;padding-bottom:8px}.category-tabs a{padding:7px 14px;border-radius:8px;background:white;color:#707c94}.selected,.category-tabs a.selected{background:var(--accent);color:white}.child-tabs a{padding:4px 12px;color:#6c7191;font-size:12px;border:1px solid var(--line);border-radius:6px}.sort-row{display:flex;gap:15px;align-items:center;padding:14px 0;font-size:12px;color:#9098ab}.sort-row a.selected{background:none;color:var(--accent);font-weight:750}.resource-grid{display:grid;grid-template-columns:repeat(var(--columns),minmax(0,1fr));gap:16px}.resource-card{overflow:hidden;background:white;border:1px solid var(--line);border-radius:12px;transition:transform .2s,box-shadow .2s}.resource-card:hover{transform:translateY(-3px);box-shadow:0 12px 24px #29306112}.card-cover{display:flex;position:relative;aspect-ratio:1.5;align-items:center;justify-content:center;flex-direction:column;background:linear-gradient(145deg,#e2ddff,#f0effa);overflow:hidden;color:#8576c6}.resource-card:nth-child(4n+2) .card-cover{background:linear-gradient(145deg,#d7eee9,#eefaf7);color:#74a49b}.resource-card:nth-child(4n+3) .card-cover{background:linear-gradient(145deg,#f7e4d5,#fff8f0);color:#bb987c}.card-cover>img{width:100%;height:100%;object-fit:cover;position:absolute}.cover-symbol{font-size:45px}.free-label{position:absolute;top:9px;right:9px;padding:2px 9px;border-radius:6px;font-weight:650;background:#ffedf6;color:#e75a99;font-size:11px}.free-label.inline{display:inline-block;position:static}.card-content{padding:12px}.card-title{font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.55;min-height:44px}.card-content>p{color:#9ca3b5;font-size:11px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;margin:6px 0}.category-label{display:inline-block;padding:2px 7px;background:#f3f1fd;color:#8b7bbc;border-radius:5px;font-size:10px}.card-meta{display:flex;justify-content:space-between;gap:5px;padding-top:10px;margin-top:9px;border-top:1px solid #f1f2f7;font-size:10px;color:#9aa2b4}.panel{padding:22px;background:white;border:1px solid var(--line);border-radius:13px}.sidebar .panel{margin:15px 0 18px}.panel h3{font-size:17px;margin:10px 0}.sidebar p{color:var(--muted);font-size:12px}.sidebar-category{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #f4f5f8;font-size:12px}.sidebar-category:last-child{border:0}.empty-state{padding:65px 20px;text-align:center;background:white;border:1px solid var(--line);border-radius:13px}.empty-state>span{font-size:42px;color:#bbb1df}.empty-state h3{font-size:19px;margin:8px 0}.empty-state p{color:var(--muted);font-size:13px}.pagination{display:flex;justify-content:center;align-items:center;gap:8px;padding:28px 0;flex-wrap:wrap}.pagination a{padding:6px 12px;border-radius:7px;background:white;border:1px solid var(--line)}.pagination a.selected{background:var(--accent);color:white}.pagination small{color:var(--muted)}.home-section{margin-top:32px}.section-empty{padding:20px;border:1px dashed #d8d8e4;border-radius:10px;color:var(--muted)}.site-footer{margin-top:55px;background:white;border-top:1px solid var(--line)}.footer-row{display:flex;justify-content:space-between;gap:30px;padding:30px 0;color:var(--muted);font-size:12px}.footer-row>div:first-child{max-width:600px}.footer-row p{margin:8px 0}.footer-brand{font-size:18px;font-weight:750;color:var(--accent)}.breadcrumbs{display:flex;gap:10px;font-size:12px;color:var(--muted);margin:22px 0}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:24px}.detail-main{padding:32px}.detail-main h1{font-size:30px;line-height:1.4;margin:10px 0}.detail-meta{display:flex;flex-wrap:wrap;gap:15px;color:var(--muted);font-size:11px}.detail-summary{padding:18px;background:#f7f7fb;border-radius:9px;margin:20px 0;color:#76819a}.detail-cover{border-radius:10px;margin:20px auto;max-height:560px;object-fit:contain}.resource-prose{font-size:15px;line-height:1.9;overflow-wrap:anywhere}.resource-prose h2{font-size:22px;margin:25px 0 15px}.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.gallery img{border-radius:8px;width:100%;aspect-ratio:1.4;object-fit:cover}.tag-row,.resource-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.tag-row a{padding:3px 9px;border-radius:6px;background:#f6f5fd;color:#837c9f;font-size:12px}.resource-actions button{background:#f2f0fc;color:var(--accent);border-radius:8px;padding:9px 14px}.resource-actions button.selected{background:var(--accent);color:white}.detail-sidebar .panel{margin-bottom:20px}.download-panel{position:sticky;top:90px}.download-panel dl{display:grid;grid-template-columns:70px 1fr;font-size:12px;color:var(--muted)}dd{margin:0}.download-item{padding:18px 0;border-bottom:1px solid var(--line)}.download-item:last-of-type{border:0}.download-item>strong,.download-item>small{display:block;margin-bottom:8px}.download-item .button{width:100%;margin:8px 0}.download-item p,.download-panel>small{font-size:11px;color:var(--muted);margin:8px 0}.copy-row{display:flex;justify-content:space-between;gap:8px;font-size:12px;margin:8px 0;overflow-wrap:anywhere}.copy-row button{padding:0 5px;background:none;color:var(--accent)}details{font-size:11px;color:var(--muted);margin-top:10px}code{display:block;overflow-wrap:anywhere;margin-top:8px}textarea,input:not(.search-form input){border:1px solid #dedfee;border-radius:8px;padding:10px;width:100%;min-width:0;outline:none}textarea:focus,input:focus{border-color:var(--accent)}form[data-interaction]{display:grid;gap:10px}form[data-interaction] small{color:var(--muted);font-size:11px}.comments{border-top:1px solid var(--line);padding-top:24px;margin-top:30px}.comments h2{font-size:20px}.comment{padding:20px 0;border-bottom:1px solid var(--line)}.comment time{font-size:11px;color:var(--muted);float:right}.comment p{margin:8px 0;overflow-wrap:anywhere}.muted{color:var(--muted)}.related{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}.account-page{padding-top:30px}.account-page h2{margin-top:30px}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#283047;color:white;padding:12px 22px;border-radius:10px;z-index:100;opacity:0;pointer-events:none;max-width:90vw}.toast.show{opacity:1}
@media(max-width:1100px){.main-nav{gap:12px}.brand{font-size:20px}.browse-layout{grid-template-columns:minmax(0,1fr) 210px}.resource-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.header-row{gap:18px}}
@media(max-width:800px){.wrap{width:calc(100% - 28px)}.header-row{min-height:65px;gap:12px}.brand{font-size:18px}.brand img{width:26px;height:26px}.mobile-menu{display:block}.main-nav{display:none;position:absolute;top:65px;left:14px;right:14px;padding:15px;background:white;border:1px solid var(--line);box-shadow:0 10px 22px #24304a19;border-radius:12px}.main-nav.open{display:grid}.nav-group{padding:0}.sub-nav{position:static;box-shadow:none;border:0;padding:5px 12px}.nav-group .sub-nav{display:block}.auth-nav{margin-left:auto;font-size:12px;gap:10px}.hero{padding:30px 0 20px}.announcement{margin-top:12px;font-size:11px}.quick-grid{gap:10px;margin-bottom:20px}.quick-card{padding:15px;min-height:95px}.quick-card strong{font-size:14px}.quick-card p{font-size:10px}.quick-icon{display:none}.browse-layout,.detail-layout{display:block}.sidebar{display:none}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.banner-grid{gap:12px}.feature-banner{min-height:120px}.feature-banner>div{padding:18px}.feature-banner h2{font-size:19px}.feature-banner p{font-size:11px}.detail-main{padding:20px}.detail-main h1{font-size:25px}.detail-sidebar{display:grid;grid-template-columns:1fr;gap:0;margin-top:20px}.download-panel{position:static}.footer-row{display:block}.footer-row>div+div{margin-top:20px}.search-form button{padding:0 20px}.pagination{font-size:12px}}
@media(max-width:400px){.brand{font-size:16px}.brand img{display:none}.header-row{gap:9px}.quick-grid{grid-template-columns:1fr}.quick-card{min-height:70px}.banner-grid{grid-template-columns:1fr}.card-meta{font-size:9px}.resource-grid{gap:9px}.card-content{padding:10px}.detail-meta{gap:7px}.resource-actions button{font-size:12px}}
.auth-card{width:min(430px,100%);margin:45px auto;padding:30px}.auth-card h1{margin:10px 0;font-size:27px}.auth-card>.muted{font-size:12px}.auth-card form{display:grid;gap:15px}.auth-card label{display:grid;gap:6px;font-size:12px;color:#7f89a1}.captcha-row{display:flex;gap:10px;align-items:center}.captcha-row>input{width:calc(100% - 142px)}.captcha-refresh{padding:0;border-radius:8px;overflow:hidden;background:white;flex-shrink:0}.captcha-refresh img{width:132px;height:42px;object-fit:cover}.auth-error{font-size:12px;color:#d35d7c;min-height:18px;margin:0}.auth-switch{text-align:center;font-size:12px;color:var(--muted);margin:22px 0 0}.auth-switch a{color:var(--accent)}
.library-stats{display:flex;justify-content:flex-end;gap:20px;font-size:11px;color:var(--muted);padding:12px 0 0}.library-stats strong{color:var(--accent);margin-left:4px}
.banner-carousel{display:block;position:relative}.banner-carousel .feature-banner{display:block;min-height:190px}.banner-carousel .feature-banner[hidden]{display:none}.banner-carousel .feature-banner>div{padding:30px 65px}.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);width:35px;height:35px;border-radius:50%;background:#ffffffcc;color:#675aab;font-size:24px;z-index:2}.slider-prev{left:15px}.slider-next{right:15px}
.resource-prose pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:18px;background:#f6f7fa;border:1px solid var(--line);border-radius:10px;font-size:12px}.resource-prose a{color:var(--accent);text-decoration:underline}
.mobile-bottom-nav,.mobile-header-tools{display:none}
@media(max-width:800px){
  html{scroll-padding-bottom:90px}
  body{padding-bottom:calc(70px + env(safe-area-inset-bottom,0px));background:#f7f8fc}
  .wrap{width:calc(100% - 32px)}
  .site-header{background:#ffffffed;border-bottom:1px solid #edf0f6}
  .header-row{min-height:62px;gap:12px}
  .brand{font-size:19px;letter-spacing:-.55px;max-width:calc(100% - 112px);overflow:hidden;text-overflow:ellipsis}
  .brand span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .brand img{display:block;width:27px;height:27px;flex-shrink:0}
  .mobile-menu,.auth-nav{display:none}
  .mobile-header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}
  .mobile-header-tools>a{display:flex;align-items:center;justify-content:center;width:32px;height:34px;color:#687590}
  .free-access-pill{font-size:10px;font-weight:650;color:#419580;background:#eaf7f1;padding:3px 7px;border:1px solid #e0f2e9;border-radius:6px;white-space:nowrap}
  .announcement{margin-top:12px;padding:8px 11px;font-size:10px;border-radius:8px;gap:8px}
  .announcement p{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .library-stats{display:none}
  .hero{padding:19px 0 15px;text-align:left}
  .hero>.eyebrow{display:none}
  .hero h1{font-size:25px;letter-spacing:-.8px;line-height:1.4;margin:0 0 5px;font-weight:780}
  .hero>p:not(.eyebrow){font-size:12px;line-height:1.7;margin-bottom:0;max-width:100%}
  .hero small{font-size:10px;text-align:center;margin:8px 0 0;color:#a0a7b7}
  .search-form{margin:13px 0 0;border-radius:10px;gap:9px;box-shadow:0 4px 16px #56638706;border-color:#e6e8f1}
  .search-form input{padding:10px 0;font-size:12px}
  .search-form button{padding:0 20px;font-size:12px;font-weight:650}
  .search-form span{font-size:23px;margin-left:12px}
  .section-hero h1{font-size:27px}
  .banner-grid{margin:0 0 13px;gap:12px}
  .banner-carousel .feature-banner{min-height:108px;border-radius:12px}
  .banner-carousel .feature-banner>div{padding:20px 39px}
  .feature-banner h2{font-size:18px;line-height:1.45;margin:0 0 4px}
  .feature-banner p{font-size:10px;line-height:1.6;margin:0 0 4px;max-width:240px}
  .feature-banner span{font-size:10px}
  .slider-prev,.slider-next{width:25px;height:25px;font-size:18px;background:#ffffffd6}
  .slider-prev{left:8px}.slider-next{right:8px}
  .quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:0 0 19px}
  .quick-card{min-height:64px;border-radius:10px;padding:11px 9px;display:flex;gap:6px;justify-content:center;flex-direction:column;text-align:center}
  .quick-icon{display:block;font-size:18px;font-weight:600}
  .quick-card strong{font-size:11px;font-weight:700}
  .quick-card p,.quick-card>span:last-child{display:none}
  .section-heading{margin:9px 0 12px}
  .section-heading h2{font-size:18px;font-weight:760}
  .section-heading h2:before{height:17px;width:3px;margin-right:7px}
  .section-heading>span,.section-heading>a{font-size:10px}
  .category-tabs{gap:7px;padding:0 0 4px;scrollbar-width:none}
  .category-tabs::-webkit-scrollbar{display:none}
  .category-tabs a{padding:5px 11px;font-size:11px;border:1px solid #e9ecf4;border-radius:7px;line-height:1.6}
  .category-tabs a.selected{border-color:var(--accent);box-shadow:0 3px 9px #6d5dfc18}
  .sort-row{gap:15px;padding:10px 0 12px;font-size:10px}
  .resource-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}
  .resource-card{border-radius:11px;border-color:#e9ecf4;box-shadow:0 2px 8px #24304a03}
  .card-content{padding:10px}
  .card-title{font-size:12px;min-height:38px;line-height:1.55}
  .card-content>p{font-size:10px;margin:5px 0 7px}
  .card-meta{font-size:9px;margin-top:7px;padding-top:8px}
  .empty-state{padding:33px 20px;border-radius:12px}
  .empty-state h3{font-size:16px}.empty-state p{font-size:11px;line-height:1.8}
  .detail-main h1{font-size:24px}.detail-main{padding:20px}
  .site-footer{margin-top:25px;background:transparent}
  .footer-row{padding:18px 0;font-size:10px;text-align:center;color:#a0a8ba}
  .footer-brand{font-size:13px}.footer-row p{margin:5px 0}.footer-row>div+div{margin-top:8px}
  .mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));left:0;right:0;bottom:0;z-index:70;padding:5px 8px calc(5px + env(safe-area-inset-bottom,0px));min-height:64px;background:#fffffff5;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid #e9edf5;box-shadow:0 -5px 20px #27365b05}
  .mobile-tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-height:52px;font-size:10px;line-height:1.5;color:#949eb1;font-weight:550;-webkit-tap-highlight-color:transparent}
  .mobile-tab-icon{display:flex;align-items:center;justify-content:center;width:46px;height:29px;border-radius:12px;transition:background .16s,color .16s}
  .mobile-tab.is-active{color:var(--accent);font-weight:750}
  .mobile-tab.is-active .mobile-tab-icon{background:#f0edff;background:color-mix(in srgb,var(--accent) 9%,white)}
  .mobile-tab.is-active svg{stroke-width:1.9}
  .mobile-tab:active{transform:translateY(1px)}
  .toast{bottom:calc(84px + env(safe-area-inset-bottom,0px));font-size:12px;max-width:calc(100% - 32px);white-space:normal}
  .auth-card{margin:23px auto;padding:24px}.auth-card h1{font-size:25px}
}
@media(min-width:801px){.hero{padding:28px 20px 24px}.hero h1{font-size:35px}.hero>.eyebrow{margin-bottom:7px}.hero .search-form{margin-top:19px}.banner-carousel .feature-banner{min-height:150px}.quick-card{min-height:87px;padding:19px 22px}}