:root{color-scheme:dark;--bg:#080b12;--surface:#101520;--surface-2:#151b29;--line:rgba(255,255,255,.09);--text:#f5f7fb;--muted:#8e98ab;--purple:#7c5cff;--purple-2:#a590ff;--cyan:#55d7e8;--danger:#ff7180;--shadow:0 24px 70px rgba(0,0,0,.34)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}body::before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 18% 2%,rgba(124,92,255,.12),transparent 32%),radial-gradient(circle at 88% 30%,rgba(85,215,232,.06),transparent 28%)}[hidden]{display:none!important}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 48px));margin:0 auto}.eyebrow{display:inline-block;color:var(--purple-2);font-size:11px;line-height:1;font-weight:800;letter-spacing:.2em}.brand{display:inline-flex;align-items:center;gap:11px;font-size:17px;font-weight:900;letter-spacing:.09em}.brand-mark{width:36px;height:36px;display:inline-grid;place-items:center;border-radius:11px;color:#fff;font-weight:900;background:linear-gradient(135deg,var(--purple),#506dff);box-shadow:0 10px 25px rgba(124,92,255,.32)}
.login-page{min-height:100vh;display:grid;grid-template-columns:minmax(460px,1.2fr) minmax(440px,.8fr)}.login-visual{position:relative;overflow:hidden;min-height:700px;padding:44px clamp(42px,6vw,90px);display:flex;flex-direction:column;background:linear-gradient(145deg,#11152a 0%,#17113a 50%,#09121b 100%)}.login-visual::before{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(165,144,255,.16);border-radius:50%;right:-210px;top:90px;box-shadow:0 0 0 80px rgba(124,92,255,.025),0 0 0 170px rgba(85,215,232,.018)}.brand-light{position:relative;z-index:1}.login-copy{position:relative;z-index:1;margin:auto 0;max-width:650px}.login-copy h1{margin:24px 0;font-size:clamp(44px,5.4vw,78px);line-height:1.08;letter-spacing:-.055em}.login-copy h1 span{color:transparent;background:linear-gradient(100deg,#b8a9ff,#5ee4e8);-webkit-background-clip:text;background-clip:text}.login-copy p{max-width:570px;color:#aab2c5;font-size:18px;line-height:1.85}.login-foot{position:relative;z-index:1;display:flex;justify-content:space-between;color:#7e879c;font-size:12px;letter-spacing:.08em}.signal{position:absolute;width:260px;height:260px;right:-35px;top:5%;border:1px solid rgba(165,144,255,.16);border-radius:50%;animation:rotate 18s linear infinite}.signal::before,.signal::after{content:"";position:absolute;border:1px solid rgba(85,215,232,.12);border-radius:50%;inset:38px}.signal::after{inset:78px}.signal i{position:absolute;width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}.signal i:nth-child(1){top:25px;left:58px}.signal i:nth-child(2){right:15px;top:120px}.signal i:nth-child(3){bottom:30px;left:55px}.signal b{position:absolute;inset:105px;border-radius:50%;background:var(--purple);box-shadow:0 0 35px rgba(124,92,255,.8)}@keyframes rotate{to{transform:rotate(360deg)}}
.login-panel{display:grid;place-items:center;padding:42px;background:rgba(8,11,18,.92)}.login-card{width:min(100%,420px)}.mobile-brand{display:none;align-items:center;gap:10px;margin-bottom:42px}.login-card h2{margin:15px 0 8px;font-size:36px;letter-spacing:-.035em}.form-subtitle{color:var(--muted);margin:0 0 34px}.field{display:block;margin:0 0 20px}.field>span{display:block;font-size:13px;font-weight:700;margin:0 0 9px}.input-wrap{min-height:54px;display:flex;align-items:center;gap:10px;padding:0 15px;border:1px solid var(--line);border-radius:14px;background:var(--surface);transition:.2s}.input-wrap:focus-within{border-color:rgba(124,92,255,.8);box-shadow:0 0 0 4px rgba(124,92,255,.11)}.input-wrap b{color:var(--muted);font-size:14px}.input-wrap input{min-width:0;flex:1;border:0;outline:0;color:var(--text);background:transparent}.input-wrap input::placeholder{color:#5f687a}.input-action{border:0;background:transparent;color:var(--purple-2);cursor:pointer;font-size:12px}.field-error{display:block;min-height:18px;color:var(--danger);font-size:12px;padding-top:5px}.remember{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin:4px 0 22px}.remember input{accent-color:var(--purple)}.primary,.demo-button{width:100%;min-height:52px;border-radius:14px;cursor:pointer;font-weight:800;transition:.2s}.primary{display:flex;align-items:center;justify-content:center;gap:15px;border:0;background:linear-gradient(135deg,var(--purple),#5f75ff);box-shadow:0 14px 30px rgba(124,92,255,.25)}.primary:hover{transform:translateY(-2px);box-shadow:0 18px 35px rgba(124,92,255,.34)}.primary:disabled{opacity:.6;cursor:wait;transform:none}.demo-button{margin-top:12px;border:1px solid var(--line);background:var(--surface)}.demo-button:hover{border-color:rgba(165,144,255,.45)}.demo-account{color:#697286;font-size:12px;text-align:center}.form-message{margin-top:16px;padding:12px 14px;border:1px solid rgba(255,113,128,.25);border-radius:12px;background:rgba(255,113,128,.08);color:#ff9aa5;font-size:13px}
.topbar{position:sticky;z-index:20;top:0;height:72px;padding:0 max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(8,11,18,.82);backdrop-filter:blur(18px)}.main-nav{height:100%;display:flex;align-items:center}.main-nav a{height:100%;display:flex;align-items:center;gap:9px;padding:0 22px;color:var(--muted);font-size:14px;font-weight:700;border-bottom:2px solid transparent}.main-nav a.active{color:var(--text);border-color:var(--purple)}.nav-dot,.sync-state i{width:7px;height:7px;border-radius:50%;background:var(--purple-2);box-shadow:0 0 12px var(--purple)}.user-area{display:flex;align-items:center;gap:15px}.sync-state{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.sync-state i{background:#4fdaa4;box-shadow:0 0 12px rgba(79,218,164,.7)}.user-chip{display:flex;align-items:center;gap:10px}.avatar{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;font-size:13px;font-weight:800;background:linear-gradient(135deg,#7148e8,#2b9eb7)}.user-chip strong,.user-chip small{display:block}.user-chip strong{font-size:13px}.user-chip small{margin-top:2px;color:var(--muted);font-size:11px}.ghost-button{border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:transparent;color:var(--muted);cursor:pointer}.ghost-button:hover{color:var(--text);border-color:rgba(255,255,255,.2)}
.hero{position:relative;min-height:430px;padding-top:100px;padding-bottom:80px;display:flex;align-items:center;overflow:hidden}.hero-copy{position:relative;z-index:2;max-width:730px}.hero h1{margin:18px 0 20px;font-size:clamp(44px,6vw,72px);line-height:1.08;letter-spacing:-.055em}.hero p{max-width:590px;color:var(--muted);font-size:17px;line-height:1.8}.hero-orbit{position:absolute;right:40px;width:320px;height:320px;border-radius:50%;border:1px solid rgba(124,92,255,.18);box-shadow:inset 0 0 90px rgba(124,92,255,.04),0 0 100px rgba(85,215,232,.04)}.hero-orbit::before,.hero-orbit::after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(85,215,232,.12);inset:45px}.hero-orbit::after{inset:95px}.hero-orbit span{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}.hero-orbit span:nth-child(1){left:25px;top:90px}.hero-orbit span:nth-child(2){right:12px;top:145px}.hero-orbit span:nth-child(3){left:105px;bottom:17px}.hero-orbit b{position:absolute;inset:126px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,var(--purple),#4d6eff);box-shadow:0 0 45px rgba(124,92,255,.55)}
.feed-section{padding-bottom:100px}.feed-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;padding:36px 0 27px;border-top:1px solid var(--line)}.feed-heading h2{margin:10px 0 5px;font-size:31px;letter-spacing:-.03em}.feed-heading p{margin:0;color:var(--muted);font-size:13px}.search{width:min(100%,410px);min-height:50px;display:flex;align-items:center;padding-left:15px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.search:focus-within{border-color:rgba(124,92,255,.6)}.search svg{width:19px;fill:none;stroke:var(--muted);stroke-width:1.8}.search input{min-width:0;flex:1;padding:0 12px;border:0;outline:0;background:transparent;color:var(--text)}.search button{align-self:stretch;padding:0 17px;border:0;border-left:1px solid var(--line);background:transparent;color:var(--purple-2);cursor:pointer;font-weight:700}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.article-card{position:relative;min-height:270px;display:flex;flex-direction:column;padding:23px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,rgba(21,27,41,.93),rgba(13,17,27,.93));cursor:pointer;overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s}.article-card::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;background:radial-gradient(circle at 100% 0,rgba(124,92,255,.15),transparent 40%);transition:opacity .2s}.article-card:hover,.article-card:focus{transform:translateY(-4px);outline:0;border-color:rgba(124,92,255,.4);box-shadow:var(--shadow)}.article-card:hover::before,.article-card:focus::before{opacity:1}.article-card.lead-card{min-height:360px;grid-column:span 2;background:linear-gradient(125deg,rgba(40,29,82,.94),rgba(12,27,39,.95))}.card-top{position:relative;display:flex;align-items:center;justify-content:space-between;gap:15px;color:var(--muted);font-size:11px}.content-badge{padding:6px 9px;border-radius:999px;background:rgba(124,92,255,.13);color:var(--purple-2);font-size:10px;font-weight:800;letter-spacing:.08em}.article-card h2,.article-card h3{position:relative;margin:30px 0 12px;letter-spacing:-.025em;line-height:1.42}.article-card h2{max-width:90%;font-size:30px}.article-card h3{font-size:19px}.article-card p{position:relative;margin:0 0 22px;color:var(--muted);font-size:13px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.lead-card p{max-width:80%;font-size:15px}.read-action{position:relative;margin-top:auto;color:var(--purple-2);font-size:12px;font-weight:800}.pagination{display:flex;align-items:center;justify-content:center;gap:24px;margin-top:34px}.pagination span{color:var(--muted);font-size:13px}.pagination button,.empty-state button,.notice button{padding:10px 16px;border:1px solid var(--line);border-radius:11px;background:var(--surface);cursor:pointer}.pagination button:disabled{opacity:.35;cursor:not-allowed}.skeleton-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.skeleton-card{min-height:270px;border-radius:20px;background:linear-gradient(100deg,var(--surface) 20%,var(--surface-2) 40%,var(--surface) 60%);background-size:300% 100%;animation:shimmer 1.4s infinite}.skeleton-card:first-child{grid-column:span 2;min-height:360px}@keyframes shimmer{to{background-position:-150% 0}}.empty-state{padding:80px 20px;text-align:center;border:1px dashed var(--line);border-radius:20px}.empty-state>span{font-size:42px;color:var(--purple-2)}.empty-state h3{margin:14px 0 8px}.empty-state p{color:var(--muted)}.notice{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px;border:1px solid rgba(255,113,128,.2);border-radius:16px;background:rgba(255,113,128,.07)}.notice p{margin:5px 0 0;color:#d6a1a8;font-size:13px}
footer{border-top:1px solid var(--line);color:var(--muted)}footer .container{min-height:110px;display:flex;align-items:center;justify-content:space-between}footer span{color:var(--text);font-weight:900;letter-spacing:.12em}footer p{font-size:12px}.modal-open{overflow:hidden}.modal-backdrop{position:fixed;z-index:50;inset:0;padding:30px;display:grid;place-items:center;background:rgba(2,4,8,.78);backdrop-filter:blur(14px)}.article-modal{width:min(850px,100%);max-height:calc(100vh - 60px);overflow:auto;border:1px solid var(--line);border-radius:24px;background:#101520;box-shadow:var(--shadow)}.modal-header{position:sticky;z-index:2;top:0;min-height:62px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(16,21,32,.92);backdrop-filter:blur(14px)}.modal-header span{color:var(--purple-2);font-size:11px;font-weight:800;letter-spacing:.16em}.modal-header button{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);cursor:pointer;font-size:24px}.article-loading,.article-error{padding:80px 35px;color:var(--muted);text-align:center}.article-error{color:#ff9aa5}.article-detail{padding:clamp(28px,6vw,60px)}.article-detail h1{margin:16px 0 15px;font-size:clamp(30px,5vw,48px);line-height:1.28;letter-spacing:-.045em}.article-detail time{color:var(--muted);font-size:12px}.article-summary{margin:30px 0;padding:22px;border-left:3px solid var(--purple);border-radius:0 14px 14px 0;background:rgba(124,92,255,.08);color:#c9cfdd;font-size:17px;line-height:1.85}.article-content{color:#ccd2df;font-size:16px;line-height:2;overflow-wrap:anywhere}.article-content h1,.article-content h2,.article-content h3{margin:1.7em 0 .7em;color:var(--text);line-height:1.45}.article-content p{margin:1.1em 0}.article-content a{color:var(--cyan);text-decoration:underline}.article-content img{display:block;max-width:100%;height:auto;margin:24px auto;border-radius:14px}.article-content blockquote{margin:24px 0;padding:12px 20px;border-left:3px solid var(--cyan);background:rgba(85,215,232,.05)}.article-content pre{overflow:auto;padding:18px;border-radius:12px;background:#080b12}.article-content table{display:block;max-width:100%;overflow:auto;border-collapse:collapse}.article-content th,.article-content td{padding:9px 12px;border:1px solid var(--line)}.toast-stack{position:fixed;z-index:80;right:22px;bottom:22px;display:grid;gap:10px}.toast{padding:13px 17px;border:1px solid rgba(79,218,164,.25);border-radius:12px;background:#15231f;color:#9ef0ce;box-shadow:var(--shadow);font-size:13px;animation:toast-in .25s ease-out}.toast.error{border-color:rgba(255,113,128,.25);background:#2b181d;color:#ffabb4}@keyframes toast-in{from{opacity:0;transform:translateY(8px)}}
@media(max-width:1000px){.login-page{grid-template-columns:1fr 460px}.login-copy h1{font-size:48px}.signal{display:none}.article-grid,.skeleton-grid{grid-template-columns:repeat(2,1fr)}.article-card.lead-card,.skeleton-card:first-child{grid-column:span 2}.hero-orbit{opacity:.45;right:-80px}.hero-copy{max-width:660px}.sync-state{display:none}}
@media(max-width:760px){.container{width:min(100% - 28px,1180px)}.login-page{display:block;background:linear-gradient(145deg,#0c1020,#080b12)}.login-visual{display:none}.login-panel{min-height:100vh;padding:28px}.mobile-brand{display:flex}.topbar{height:64px;padding:0 14px}.topbar .brand>span:last-child,.main-nav,.user-chip div{display:none}.user-area{gap:8px}.topbar .ghost-button{display:block;padding:7px 9px}.hero{min-height:350px;padding-top:70px;padding-bottom:50px}.hero h1{font-size:42px}.hero p{font-size:15px}.hero-orbit{width:220px;height:220px;opacity:.25;right:-90px}.hero-orbit b{inset:86px}.feed-heading{align-items:stretch;flex-direction:column}.search{width:100%}.article-grid,.skeleton-grid{grid-template-columns:1fr}.article-card.lead-card,.skeleton-card:first-child{grid-column:auto;min-height:290px}.article-card h2{font-size:24px}.lead-card p{max-width:none}.modal-backdrop{padding:0;align-items:end}.article-modal{width:100%;max-height:94vh;border-radius:22px 22px 0 0}.article-detail{padding:28px 20px 45px}footer .container{align-items:flex-start;justify-content:center;flex-direction:column}}

/* Editorial news library */
body.authenticated{color-scheme:light;--bg:#f5f6fa;--surface:#fff;--surface-2:#f0f1f6;--line:#e7e8ee;--text:#191b24;--muted:#848895;--purple:#6d4aff;--purple-2:#6d4aff;--shadow:0 18px 50px rgba(31,26,58,.08);background:#f5f6fa;color:var(--text)}
body.authenticated::before{background:radial-gradient(circle at 82% 0,rgba(109,74,255,.06),transparent 30%)}
body.authenticated .topbar{height:66px;background:rgba(255,255,255,.92);border-color:#ececf2;color:#20222b;box-shadow:0 1px 12px rgba(25,27,36,.035)}
body.authenticated .brand-mark{box-shadow:none}
body.authenticated .main-nav a{color:#797d89}
body.authenticated .main-nav a.active{color:#242631}
body.authenticated .sync-state{color:#8b8e99}
body.authenticated .user-chip small{color:#9295a0}
body.authenticated .ghost-button{background:#fff;border-color:#e5e6ec;color:#6f7380}
.library-main{min-height:calc(100vh - 66px)}
.library-intro,.library-panel{width:min(980px,calc(100% - 48px))}
.library-intro{padding:64px 0 32px;display:flex;align-items:flex-end;justify-content:space-between;gap:32px}
.library-intro h1{margin:12px 0 10px;font-size:42px;letter-spacing:-.045em;line-height:1.12}
.library-intro p{margin:0;color:#777b88;font-size:15px;line-height:1.7}
.library-count{min-width:130px;padding:14px 18px;border-left:2px solid rgba(109,74,255,.3)}
.library-count strong,.library-count span{display:block}.library-count strong{font-size:30px;line-height:1;color:#5f3ff0}.library-count span{margin-top:7px;color:#979aa5;font-size:11px}
.library-panel{margin-bottom:80px;padding-bottom:12px;border:1px solid #e9e9ef;border-radius:18px;background:#fff;box-shadow:0 16px 45px rgba(38,33,66,.055);overflow:hidden}
body.authenticated .feed-heading{margin:0;padding:27px 30px 23px;align-items:center;border:0}
body.authenticated .feed-heading h2{font-size:23px;color:#22242d}
body.authenticated .feed-heading p{color:#a0a3ad}
body.authenticated .search{width:min(100%,360px);min-height:44px;border-color:#e7e8ee;background:#f7f7fa}
body.authenticated .search input{color:#242631}
body.authenticated .search button{border-color:#e4e5eb;color:#6546e8}
.article-list{border-top:1px solid #ececf1}
.article-row{min-height:148px;display:grid;grid-template-columns:minmax(0,1fr) 148px;gap:28px;align-items:center;padding:22px 30px;border-bottom:1px solid #eeeeF3;background:#fff;cursor:pointer;transition:background-color .18s,transform .18s}
.article-row:last-child{border-bottom:0}
.article-row:hover,.article-row:focus{outline:0;background:#faf9ff}
.article-row:hover h3,.article-row:focus h3{color:#5f3fe3}
.article-row-content{min-width:0;display:flex;flex-direction:column}
.article-row h3{margin:0;color:#20222a;font-size:18px;font-weight:680;letter-spacing:-.018em;line-height:1.55;transition:color .18s}
.article-row p{margin:8px 0 12px;color:#777b88;font-size:13px;line-height:1.65}
.article-meta{display:flex;align-items:center;gap:7px;min-height:24px;color:#a1a4ae;font-size:11px}
.topic-tag{padding:4px 8px;border-radius:6px;background:#f0eff7;color:#777287;font-size:10px;white-space:nowrap}
.read-action{margin-left:auto;color:#7658e9;font-size:11px;font-weight:700;opacity:0;transform:translateX(-5px);transition:.18s}
.article-row:hover .read-action,.article-row:focus .read-action{opacity:1;transform:none}
.article-thumbnail{position:relative;width:148px;height:92px;overflow:hidden;border:1px solid #e7e6ee;border-radius:10px;background:#f0eff6}
.article-thumbnail > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .25s,transform .3s}
.article-thumbnail.image-loaded > img{opacity:1}.article-row:hover .article-thumbnail img{transform:scale(1.025)}
.image-placeholder{position:absolute;inset:0;display:grid;place-items:center;color:#8a78db;font-size:25px;font-weight:900;background:linear-gradient(145deg,#f2f0fb,#e8ebf5)}
.article-thumbnail.image-loaded .image-placeholder{opacity:0}
body.authenticated .skeleton-grid{display:block;border-top:1px solid #ececf1}
body.authenticated .skeleton-card,body.authenticated .skeleton-card:first-child{min-height:148px;margin:0;border-bottom:1px solid #eeeeF3;border-radius:0;background:linear-gradient(100deg,#f7f7f9 20%,#eeeef3 40%,#f7f7f9 60%);background-size:300% 100%}
body.authenticated .notice,body.authenticated .empty-state{margin:0 30px 24px}
body.authenticated .empty-state{border-color:#e6e7ed;color:#363843}
body.authenticated .empty-state p{color:#9295a0}
body.authenticated .pagination{margin:22px 0 12px}
body.authenticated .pagination button,body.authenticated .empty-state button,body.authenticated .notice button{border-color:#e2e3e9;background:#f8f8fb;color:#555966}
body.authenticated footer{border-color:#e5e6eb;background:#fff;color:#8b8f9a}
body.authenticated footer span{color:#292b35}
body.authenticated .modal-backdrop{background:rgba(20,18,30,.55)}
body.authenticated .article-modal{border-color:#e4e5eb;background:#fff;color:#242630}
body.authenticated .modal-header{border-color:#e8e9ee;background:rgba(255,255,255,.94)}
body.authenticated .modal-header button{border-color:#e3e4e9;background:#f5f5f8;color:#464955}
body.authenticated .article-detail time{color:#999ca6}
body.authenticated .article-summary{border-color:#7555ea;background:#f7f5ff;color:#575a66}
body.authenticated .article-content{color:#4f535e}
body.authenticated .article-content h1,body.authenticated .article-content h2,body.authenticated .article-content h3{color:#20222b}
body.authenticated .article-content pre{background:#f4f4f7}
body.authenticated .article-content th,body.authenticated .article-content td{border-color:#e5e6eb}
.detail-cover{width:100%;max-height:390px;margin:28px 0 6px;overflow:hidden;border-radius:14px;background:#f1f1f5}
.detail-cover img{display:block;width:100%;max-height:390px;object-fit:cover}

@media(max-width:760px){
  .library-intro,.library-panel{width:min(100% - 24px,980px)}.library-intro{padding:38px 2px 24px;align-items:flex-start}.library-intro h1{font-size:32px}.library-intro p{font-size:13px}.library-count{display:none}.library-panel{border-radius:14px;margin-bottom:45px}
  body.authenticated .feed-heading{padding:22px 17px 18px;align-items:stretch}.article-row{min-height:124px;grid-template-columns:minmax(0,1fr) 88px;gap:13px;padding:18px 16px}.article-row h3{font-size:15px;line-height:1.55}.article-row p{margin:6px 0 9px;font-size:12px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-meta{gap:5px;flex-wrap:wrap}.article-meta time{width:100%}.topic-tag:nth-of-type(n+3){display:none}.read-action{display:none}.article-thumbnail{width:88px;height:66px;border-radius:8px}.image-placeholder{font-size:19px}body.authenticated .skeleton-card,body.authenticated .skeleton-card:first-child{min-height:124px}body.authenticated .notice,body.authenticated .empty-state{margin:0 16px 18px}.detail-cover{margin-top:22px}
}

/* Fstep Skill library */
.main-nav .nav-link{height:100%;display:flex;align-items:center;gap:9px;padding:0 22px;border:0;border-bottom:2px solid transparent;background:transparent;color:#797d89;font-size:14px;font-weight:700;cursor:pointer}
.main-nav .nav-link.active{color:#242631;border-bottom-color:#7657ef}.main-nav .nav-link:not(.active) .nav-dot{background:#b8bac3;box-shadow:none}
.skill-main{min-height:calc(100vh - 66px);padding-bottom:80px}.skill-intro,.skill-panel{width:min(1080px,calc(100% - 48px));margin-inline:auto}.skill-intro{padding:64px 0 32px;display:flex;align-items:flex-end;justify-content:space-between;gap:32px}.skill-intro h1{margin:12px 0 10px;font-size:42px;letter-spacing:-.045em;line-height:1.12}.skill-intro p{margin:0;color:#777b88;font-size:15px;line-height:1.7}.skill-panel{padding:28px;border:1px solid #e9e9ef;border-radius:18px;background:#fff;box-shadow:0 16px 45px rgba(38,33,66,.055)}
.skill-toolbar{display:flex;align-items:center;justify-content:space-between;gap:28px}.skill-toolbar h2{margin:9px 0 5px;color:#22242d;font-size:23px;letter-spacing:-.03em}.skill-toolbar p{margin:0;color:#a0a3ad;font-size:13px}.skill-search{width:min(100%,370px);min-height:44px;border-color:#e7e8ee;background:#f7f7fa}.skill-search input{color:#242631}.skill-search button{border-color:#e4e5eb;color:#6546e8}
.skill-filters{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin:24px 0 26px;padding-top:20px;border-top:1px solid #eeeef3}.category-chips,.type-filters{display:flex;gap:8px;flex-wrap:wrap}.filter-chip,.type-filter{padding:8px 12px;border:1px solid #e5e5eb;border-radius:999px;background:#fff;color:#747783;font-size:12px;cursor:pointer;transition:.18s}.filter-chip:hover,.type-filter:hover{border-color:#cfc8ef;color:#6445db}.filter-chip.active,.type-filter.active{border-color:#ded7ff;background:#f2efff;color:#6545dc;font-weight:700}
.skill-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.skill-card{min-height:260px;display:flex;flex-direction:column;padding:21px;border:1px solid #e8e8ee;border-radius:15px;background:#fff;cursor:pointer;transition:transform .18s,border-color .18s,box-shadow .18s}.skill-card:hover,.skill-card:focus{outline:0;transform:translateY(-3px);border-color:#d6cff7;box-shadow:0 16px 36px rgba(45,36,90,.08)}.skill-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.skill-category{color:#7658e9;font-size:11px;font-weight:750}.skill-type{padding:5px 8px;border-radius:6px;background:#f1f0f6;color:#777382;font-size:10px}.skill-type.package{background:#eee9ff;color:#6443db}.skill-card h3{margin:24px 0 9px;color:#23252e;font-size:18px;line-height:1.45;letter-spacing:-.018em}.skill-card>p{margin:0;color:#747884;font-size:13px;line-height:1.7}.skill-card-tags{display:flex;gap:6px;flex-wrap:wrap;margin:16px 0}.skill-card-tags span{padding:4px 7px;border-radius:5px;background:#f5f5f8;color:#858893;font-size:10px}.skill-card-bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-top:auto;padding-top:15px}.skill-platforms{max-width:72%;color:#a0a2ab;font-size:10px;line-height:1.5}.skill-action{color:#6847df;font-size:12px;font-weight:750}.skill-skeleton{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.skill-skeleton div{min-height:260px;border-radius:15px;background:linear-gradient(100deg,#f7f7f9 20%,#eeeef3 40%,#f7f7f9 60%);background-size:300% 100%;animation:shimmer 1.4s infinite}.skill-panel .empty-state{border-color:#e6e7ed;color:#363843}.skill-panel .empty-state p{color:#9295a0}
.skill-modal{width:min(900px,100%);max-height:calc(100vh - 60px);overflow:auto;border:1px solid #e4e5eb;border-radius:20px;background:#fff;color:#242630;box-shadow:0 28px 90px rgba(10,8,25,.25)}.skill-detail{padding:48px 64px 64px}.skill-detail-head{display:flex;align-items:center;gap:9px}.skill-kind,.skill-category-label{padding:6px 9px;border-radius:7px;background:#f0edff;color:#6545dc;font-size:11px;font-weight:750}.skill-category-label{background:#f3f3f6;color:#777a85}.skill-detail h1{margin:18px 0 12px;font-size:34px;letter-spacing:-.035em;line-height:1.25}.skill-lead{margin:0;color:#676b77;font-size:16px;line-height:1.75}.skill-tag-list{display:flex;gap:7px;flex-wrap:wrap;margin:18px 0 30px}.skill-tag-list span{padding:5px 8px;border-radius:6px;background:#f5f5f8;color:#7e818c;font-size:11px}.skill-detail section{margin-top:30px}.skill-detail section h2{margin:0 0 13px;font-size:17px}.skill-detail section p,.skill-detail li{color:#5c606c;font-size:14px;line-height:1.75}.skill-detail ul{margin:0;padding-left:20px}.skill-detail pre{max-width:100%;margin:0;padding:17px 19px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid #e8e8ee;border-radius:12px;background:#f7f7fa;color:#414550;font:13px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace}.prompt-content{max-height:390px}.section-title-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:13px}.section-title-row h2{margin:0!important}.copy-button,.download-button{border:0;border-radius:10px;background:#6e4bea;color:#fff;font-weight:750;cursor:pointer}.copy-button{padding:9px 13px;font-size:12px}.download-button{width:100%;min-height:48px;margin-top:18px}.copy-button:disabled,.download-button:disabled{opacity:.6;cursor:wait}.variable-list{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.variable-item{padding:12px;border:1px solid #e8e8ee;border-radius:10px;background:#fafafd}.variable-item strong,.variable-item span{display:block}.variable-item strong{color:#444752;font-size:13px}.variable-item span{margin-top:5px;color:#9598a2;font-size:11px}.package-summary{padding:14px 16px;border-radius:11px;background:#f5f2ff;color:#625b78;font-size:13px}.package-files{padding:13px 0 0 20px!important}.package-files li{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px!important}
@media(max-width:900px){.skill-grid,.skill-skeleton{grid-template-columns:repeat(2,minmax(0,1fr))}.skill-filters{display:block}.type-filters{margin-top:13px}.skill-detail{padding:38px 36px 50px}}
@media(max-width:760px){.topbar{padding:0 10px}.topbar>.brand span:last-child,.sync-state,.user-chip div{display:none}.main-nav .nav-link{padding:0 11px;font-size:12px}.user-area{gap:6px}.avatar{width:32px;height:32px}.ghost-button{padding:7px 9px}.skill-intro,.skill-panel{width:min(100% - 24px,1080px)}.skill-intro{padding:38px 2px 24px}.skill-intro h1{font-size:32px}.skill-intro p{font-size:13px}.skill-panel{padding:18px 14px;border-radius:14px}.skill-toolbar{display:block}.skill-search{width:100%;margin-top:18px}.skill-filters{margin:18px 0 20px;padding-top:16px}.category-chips,.type-filters{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}.filter-chip,.type-filter{flex:0 0 auto}.skill-grid,.skill-skeleton{grid-template-columns:1fr}.skill-card{min-height:220px;padding:18px}.skill-card h3{margin-top:19px}.skill-detail{padding:28px 20px 42px}.skill-detail h1{font-size:27px}.variable-list{grid-template-columns:1fr}.skill-modal{max-height:calc(100vh - 20px);border-radius:15px}.modal-backdrop{padding:10px}}

/* Fstep practical knowledge library */
.knowledge-main{min-height:calc(100vh - 66px);padding-bottom:80px}.knowledge-intro,.knowledge-panel{width:min(1040px,calc(100% - 48px));margin-inline:auto}.knowledge-intro{padding:64px 0 32px;display:flex;align-items:flex-end;justify-content:space-between;gap:32px}.knowledge-intro h1{margin:12px 0 10px;font-size:42px;line-height:1.12;letter-spacing:-.045em}.knowledge-intro p{margin:0;color:#777b88;font-size:15px;line-height:1.7}.knowledge-panel{overflow:hidden;margin-bottom:10px;border:1px solid #e9e9ef;border-radius:18px;background:#fff;box-shadow:0 16px 45px rgba(38,33,66,.055)}
.knowledge-toolbar{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:28px 30px 23px}.knowledge-toolbar h2{margin:9px 0 5px;color:#22242d;font-size:23px;letter-spacing:-.03em}.knowledge-toolbar p{margin:0;color:#a0a3ad;font-size:13px}.knowledge-search{width:min(100%,370px);min-height:44px;border-color:#e7e8ee;background:#f7f7fa}.knowledge-search input{color:#242631}.knowledge-search button{border-color:#e4e5eb;color:#6546e8}
.knowledge-filter-block{padding:19px 30px 21px;border-top:1px solid #eeeef3;border-bottom:1px solid #eeeef3;background:#fcfcfe}.knowledge-primary-filters,.knowledge-sub-filters,.knowledge-utility-filters{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.knowledge-sub-filters{margin-top:13px;padding-top:13px;border-top:1px dashed #e8e7ef}.knowledge-utility-filters{margin-top:13px}.knowledge-filter,.knowledge-sub-filter,.knowledge-small-filter,.knowledge-favorite-filter{padding:8px 13px;border:1px solid #e5e5eb;border-radius:999px;background:#fff;color:#747783;font-size:12px;cursor:pointer;white-space:nowrap;transition:.18s}.knowledge-filter:hover,.knowledge-sub-filter:hover,.knowledge-small-filter:hover,.knowledge-favorite-filter:hover{border-color:#cec6f3;color:#6041d5}.knowledge-filter.active,.knowledge-sub-filter.active,.knowledge-small-filter.active,.knowledge-favorite-filter.active{border-color:#dbd3ff;background:#f1edff;color:#6242da;font-weight:750}.knowledge-favorite-filter{margin-left:auto}
.knowledge-list{background:#fff}.knowledge-row{position:relative;min-height:158px;display:grid;grid-template-columns:48px minmax(0,1fr) 92px;gap:20px;align-items:center;padding:23px 30px;border-bottom:1px solid #eeeef3;cursor:pointer;transition:background .18s}.knowledge-row:last-child{border-bottom:0}.knowledge-row:hover,.knowledge-row:focus{outline:0;background:#faf9ff}.knowledge-row:hover h3,.knowledge-row:focus h3{color:#5f3fe3}.knowledge-rail{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:#f0edff;color:#6747dd;font-size:14px;font-weight:850}.knowledge-rail.prompt-guide{background:#eef7f5;color:#278a76}.knowledge-rail.tool-review{background:#fff4e9;color:#b96b28}.knowledge-row-content{min-width:0}.knowledge-row-meta{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.knowledge-row-meta span{padding:4px 7px;border-radius:5px;background:#f3f3f7;color:#858894;font-size:10px}.knowledge-row-meta span:first-child{background:#f0edff;color:#6848dd}.knowledge-row h3{margin:10px 0 7px;color:#23252e;font-size:18px;line-height:1.45;letter-spacing:-.018em;transition:color .18s}.knowledge-row-content>p{margin:0;color:#737783;font-size:13px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.knowledge-row-bottom{display:flex;align-items:center;gap:18px;margin-top:13px;color:#9b9ea8;font-size:10px}.knowledge-row-bottom>div{display:flex;gap:6px;flex-wrap:wrap}.knowledge-row-bottom div span{padding:3px 6px;border-radius:4px;background:#f6f6f8}.knowledge-row-side{height:100%;display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between;color:#8e91a0}.knowledge-row-side>span{font-size:10px}.knowledge-row-side>b{color:#6847df;font-size:18px;font-weight:500}.knowledge-card-favorite{width:34px;height:34px;border:1px solid #e6e6ec;border-radius:9px;background:#fff;color:#795be7;cursor:pointer;font-size:18px}.knowledge-card-favorite:hover{background:#f2efff}
.knowledge-skeleton{display:block}.knowledge-skeleton div{min-height:158px;border-bottom:1px solid #eeeef3;background:linear-gradient(100deg,#fafafa 20%,#f0f0f4 40%,#fafafa 60%);background-size:300% 100%;animation:shimmer 1.4s infinite}.knowledge-panel .empty-state{margin:24px;border-color:#e6e7ed;color:#363843}.knowledge-panel .empty-state p{color:#9295a0}.knowledge-pagination{margin:22px 0 25px}
.knowledge-modal{width:min(900px,100%);max-height:calc(100vh - 60px);overflow:auto;border:1px solid #e4e5eb;border-radius:20px;background:#fff;color:#242630;box-shadow:0 28px 90px rgba(10,8,25,.25)}.knowledge-modal-actions{display:flex;align-items:center;gap:8px}.knowledge-modal-actions #favoriteKnowledge{width:auto;padding:0 12px;color:#6848dd;font-size:12px}.knowledge-detail{padding:48px 68px 64px}.knowledge-detail-kicker{display:flex;gap:7px;flex-wrap:wrap}.knowledge-detail-kicker span,.knowledge-tags span{padding:5px 8px;border-radius:6px;background:#f1effa;color:#6848d8;font-size:11px}.knowledge-detail-kicker span:nth-child(n+2){background:#f4f4f7;color:#777b86}.knowledge-detail h1{margin:18px 0 12px;font-size:36px;line-height:1.3;letter-spacing:-.04em}.knowledge-detail-meta{display:flex;gap:16px;color:#999ca6;font-size:12px}.knowledge-lead{margin:28px 0 18px;padding:20px 22px;border-left:3px solid #7351e8;border-radius:0 12px 12px 0;background:#f7f5ff;color:#585c67;font-size:16px;line-height:1.8}.knowledge-tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:34px}.knowledge-tags span{background:#f5f5f8;color:#7e818b}.knowledge-content{color:#4e525d;font-size:15px;line-height:1.9}.knowledge-content section{margin:31px 0}.knowledge-content h2{margin:0 0 13px;color:#242630;font-size:19px}.knowledge-content p{margin:0 0 12px}.knowledge-content ul{margin:0;padding-left:22px}.knowledge-content li{margin:7px 0}.knowledge-template,.knowledge-tool-box{margin-top:36px;padding-top:28px;border-top:1px solid #ebebf0}.knowledge-template pre{max-height:480px;margin:0;padding:20px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid #e6e3f3;border-radius:13px;background:#f7f5fc;color:#3e4050;font:13px/1.75 ui-monospace,SFMono-Regular,Consolas,monospace}.knowledge-tool-box{padding:25px;border:1px solid #e8e6f3;border-radius:14px;background:#faf9ff}.knowledge-tool-box h2{margin:0 0 14px;font-size:18px}.knowledge-tool-box p,.knowledge-tool-box div{margin:8px 0;color:#656977;font-size:13px;line-height:1.65}.knowledge-tool-box a{display:inline-flex;margin-top:10px;padding:10px 14px;border-radius:10px;background:#6d4aff;color:#fff;font-size:12px;font-weight:750}
@media(max-width:760px){.main-nav .nav-link{padding:0 7px;font-size:11px}.main-nav .nav-dot{display:none}.knowledge-intro,.knowledge-panel{width:min(100% - 24px,1040px)}.knowledge-intro{padding:38px 2px 24px;align-items:flex-start}.knowledge-intro h1{font-size:32px}.knowledge-intro p{font-size:13px}.knowledge-panel{border-radius:14px}.knowledge-toolbar{display:block;padding:22px 16px 18px}.knowledge-search{width:100%;margin-top:18px}.knowledge-filter-block{padding:15px 16px 17px}.knowledge-primary-filters,.knowledge-sub-filters,.knowledge-utility-filters{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}.knowledge-filter,.knowledge-sub-filter,.knowledge-small-filter,.knowledge-favorite-filter{flex:0 0 auto}.knowledge-favorite-filter{margin-left:0}.knowledge-row{min-height:150px;grid-template-columns:minmax(0,1fr) 43px;gap:10px;padding:18px 16px}.knowledge-rail{display:none}.knowledge-row h3{font-size:15px}.knowledge-row-content>p{font-size:12px}.knowledge-row-bottom{display:block}.knowledge-row-bottom>div{display:none}.knowledge-row-side>span{display:none}.knowledge-row-side{align-items:center;justify-content:space-between}.knowledge-card-favorite{width:32px;height:32px}.knowledge-skeleton div{min-height:150px}.knowledge-modal{max-height:calc(100vh - 20px);border-radius:15px}.knowledge-detail{padding:28px 20px 44px}.knowledge-detail h1{font-size:27px}.knowledge-lead{font-size:14px}.knowledge-content{font-size:14px}.knowledge-modal-actions #favoriteKnowledge{padding:0 9px}.knowledge-tool-box{padding:18px}}

/* Guest access and unified authentication */
.guest-actions{display:flex;align-items:center;gap:8px}.guest-actions button{min-height:38px;padding:0 15px;border-radius:10px;cursor:pointer;font-weight:750}.guest-login{border:1px solid #dedfe7;background:#fff;color:#5e6270}.guest-register{border:0;background:#6d4aff;color:#fff;box-shadow:0 8px 18px rgba(109,74,255,.2)}
.guest-banner{position:sticky;z-index:15;top:66px;min-height:48px;padding:8px max(24px,calc((100vw - 1080px)/2));display:flex;align-items:center;justify-content:center;gap:11px;border-bottom:1px solid #e7e1fb;background:#f7f4ff;color:#625b73}.guest-banner span{padding:4px 7px;border-radius:6px;background:#e8e0ff;color:#6746de;font-size:10px;font-weight:800}.guest-banner p{margin:0;font-size:12px}.guest-banner button{padding:6px 10px;border:0;background:transparent;color:#6442dc;font-size:12px;font-weight:800;cursor:pointer}
.guest-mode .search,.guest-mode .skill-filters,.guest-mode .knowledge-filter-block{position:relative}.guest-mode .search::after{content:"登录后使用";position:absolute;right:10px;bottom:-20px;color:#8e82ae;font-size:10px}.guest-mode .skill-action::before,.guest-mode .read-action::before{content:"🔒 ";font-size:9px}.guest-mode .knowledge-card-favorite{color:#9b91b8}.guest-mode .pagination{display:none!important}
.auth-backdrop{z-index:90;background:rgba(26,21,45,.48)!important}.auth-modal{position:relative;width:min(500px,100%);max-height:calc(100vh - 36px);overflow:auto;padding:30px;border:1px solid #e5e1ef;border-radius:22px;background:#fff;color:#292632;box-shadow:0 30px 100px rgba(24,16,55,.25)}.auth-close{position:absolute;right:18px;top:18px;width:35px;height:35px;border:1px solid #e6e3ec;border-radius:10px;background:#f8f7fb;color:#686473;cursor:pointer;font-size:21px}.auth-heading{display:flex;align-items:center;gap:15px;padding-right:42px}.auth-heading .brand-mark{flex:0 0 40px;width:40px;height:40px}.auth-heading h2{margin:5px 0 3px;font-size:22px}.auth-heading p{margin:0;color:#8b8794;font-size:12px}.auth-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin:25px 0 21px;padding:4px;border-radius:12px;background:#f4f2f8}.auth-tab{padding:9px 5px;border:0;border-radius:9px;background:transparent;color:#7d7887;cursor:pointer;font-size:12px}.auth-tab.active{background:#fff;color:#6443dc;font-weight:800;box-shadow:0 3px 12px rgba(38,28,72,.07)}.auth-form{display:grid;gap:14px}.auth-form>label,.auth-code-row label{display:grid;gap:7px;color:#595563;font-size:12px;font-weight:700}.auth-form input{width:100%;min-height:45px;padding:0 13px;border:1px solid #e2dfe9;border-radius:11px;outline:0;background:#fbfafd;color:#292632}.auth-form input:focus{border-color:#8a70ed;box-shadow:0 0 0 3px rgba(109,74,255,.09)}.auth-code-row{display:grid;grid-template-columns:minmax(0,1fr) 112px;gap:9px;align-items:end}.sms-request{min-height:45px;border:1px solid #ddd6f7;border-radius:11px;background:#f5f1ff;color:#6846df;cursor:pointer;font-size:12px;font-weight:750}.sms-request:disabled{opacity:.55;cursor:wait}.auth-primary{min-height:48px;margin-top:4px;border:0;border-radius:12px;background:#6d4aff;color:#fff;cursor:pointer;font-weight:800}.auth-primary:disabled{opacity:.6;cursor:wait}.auth-demo{min-height:43px;border:1px solid #e3e0e8;border-radius:11px;background:#fff;color:#676271;cursor:pointer}.auth-check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;gap:8px!important;font-weight:500!important}.auth-check input{width:15px;min-height:15px;accent-color:#6d4aff}.auth-check a{color:#6544dc}.auth-message{margin-bottom:14px;padding:10px 12px;border:1px solid #ffd2d7;border-radius:10px;background:#fff5f6;color:#b44d58;font-size:12px}.mock-code-hint{padding:8px 10px;border-radius:8px;background:#f3efff;color:#6544dc}.auth-form[aria-busy="true"]{opacity:.75;pointer-events:none}
@media(max-width:760px){.main-nav{display:flex}.topbar{gap:6px}.main-nav .nav-link{padding:0 5px;font-size:10px}.guest-actions{gap:4px}.guest-actions button{min-height:34px;padding:0 7px;font-size:10px}.guest-banner{top:64px;padding:8px 14px}.guest-banner p{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.guest-banner button{flex:0 0 auto}.auth-backdrop{padding:10px!important;align-items:center!important}.auth-modal{max-height:calc(100vh - 20px);padding:24px 18px;border-radius:17px}.auth-heading h2{font-size:19px}.auth-tabs{grid-template-columns:repeat(2,1fr)}.auth-code-row{grid-template-columns:minmax(0,1fr) 104px}.toast-stack{right:12px;left:12px;bottom:12px}}

/* Deep content metadata and learning aids */
#skillInstructions,#skillRisk{white-space:pre-line;overflow-wrap:anywhere}#skillCategoryFilters{flex:1;min-width:0}#skillCategoryFilters .filter-chip{white-space:nowrap;transition:background-color .18s,border-color .18s,color .18s}.skill-filters .type-filters{flex-shrink:0}.skill-card h3,.skill-card>p{overflow-wrap:anywhere}.skill-card>p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.skill-asset-downloads{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.skill-asset-downloads .download-button{padding:10px;font-size:13px}.skill-asset-downloads .skill-primary-download{grid-column:1/-1}.skill-asset-downloads .skill-reading-download{margin-top:0;border:1px solid #e3deef;background:#faf9fc;color:#706782;font-weight:600}.skill-membership-dialog{width:min(420px,calc(100% - 32px));padding:30px;border:1px solid #e6e1f4;border-radius:16px;color:#292633;background:#fff}.skill-membership-dialog::backdrop{background:rgba(24,18,43,.45)}.skill-membership-dialog h2{font-size:23px}.skill-membership-dialog p{color:#757081;line-height:1.8;font-size:14px}.skill-membership-dialog .membership-pending{padding:12px;border-radius:9px;background:#f5f2ff;color:#6b47df}.skill-membership-dialog .download-button{margin-top:8px}@media(max-width:600px){.skill-asset-downloads{grid-template-columns:1fr}.skill-asset-downloads .download-button{margin-top:6px}}
.skill-card-facts,.skill-facts{display:flex;gap:7px;flex-wrap:wrap}.skill-card-facts{margin:13px 0 2px}.skill-card-facts span,.skill-facts span{padding:5px 8px;border:1px solid #e9e7f2;border-radius:999px;background:#fbfaff;color:#777286;font-size:10px}.skill-facts{margin:18px 0 4px}.skill-facts span{font-size:11px}.skill-risk{padding:15px 17px;border-left:3px solid #d39a38;border-radius:0 10px 10px 0;background:#fff9ed!important;color:#6f5a35!important}.skill-checklist{list-style:none;padding:0!important}.skill-checklist li{position:relative;margin:9px 0;padding-left:25px}.skill-checklist li::before{content:'✓';position:absolute;left:0;top:1px;color:#6e4bea;font-weight:800}.skill-faq{display:grid;gap:9px}.skill-faq details{border:1px solid #e9e8ef;border-radius:11px;background:#fafafd}.skill-faq summary{padding:13px 15px;cursor:pointer;color:#444752;font-size:13px;font-weight:700}.skill-faq p{margin:0;padding:0 15px 15px}.knowledge-learning{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:26px 0}.knowledge-learning section,.knowledge-exercise{margin:0!important;padding:18px 20px;border:1px solid #e9e7f2;border-radius:13px;background:#faf9ff}.knowledge-learning h2,.knowledge-exercise h2{margin:0 0 10px;font-size:15px}.knowledge-learning ul{margin:0;padding-left:18px;color:#626673;font-size:13px;line-height:1.7}.knowledge-exercise{margin-top:30px!important;border-color:#ddd6ff;background:#f6f3ff}.knowledge-exercise p{margin:0;color:#57516c;font-size:14px;line-height:1.75}
@media(max-width:760px){.knowledge-learning{grid-template-columns:1fr}.skill-card-facts span:nth-child(n+3){display:none}}

.knowledge-content pre{max-width:100%;margin:20px 0;padding:19px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid #e6e3f3;border-radius:12px;background:#f7f5fc;color:#3e4050;font:13px/1.75 ui-monospace,SFMono-Regular,Consolas,monospace}.knowledge-content blockquote{margin:22px 0;padding:15px 18px;border-left:3px solid #d39a38;background:#fff9ed;color:#6f5a35}.knowledge-content h3{margin:24px 0 10px;color:#353742;font-size:16px}.knowledge-content ol{padding-left:23px}.knowledge-content li{margin:8px 0}

/* Daily hotspots and resume studio */
.hotspot-block{margin:24px 30px 0}.hotspot-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:14px}.hotspot-heading h2{margin:7px 0 0;color:#22242d;font-size:21px;letter-spacing:-.025em}.hotspot-heading>span{color:#9995a7;font-size:11px}
.hotspot-layout{display:grid;grid-template-columns:minmax(0,2.7fr) minmax(248px,1fr);gap:16px;min-height:280px}.hotspot-lead{position:relative;min-width:0;min-height:280px;display:flex;align-items:flex-end;overflow:hidden;border:1px solid #282d43;border-radius:15px;background:#101522;color:#fff;cursor:pointer;isolation:isolate;transition:transform .2s,border-color .2s,box-shadow .2s}.hotspot-lead::after{content:"AI";position:absolute;z-index:-1;right:-4px;bottom:-42px;color:rgba(255,255,255,.045);font-size:150px;font-weight:950;letter-spacing:-.08em}.hotspot-lead:hover,.hotspot-lead:focus-visible{outline:0;border-color:#6856b9;box-shadow:0 18px 42px rgba(28,23,57,.2);transform:translateY(-2px)}
.hotspot-lead-media,.hotspot-lead-shade{position:absolute;z-index:-2;inset:0}.hotspot-lead-media{overflow:hidden;background:radial-gradient(circle at 88% 28%,rgba(45,187,194,.2),transparent 34%),linear-gradient(125deg,#171b3c 0%,#11172b 50%,#0d2830 100%)}.hotspot-lead-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,13,28,.98) 0%,rgba(10,13,28,.88) 45%,rgba(10,18,28,.4) 100%)}.hotspot-lead-media img{width:100%;height:100%;object-fit:cover;opacity:0;filter:saturate(.76);transition:opacity .35s,transform .45s}.hotspot-lead-media.image-loaded img{opacity:.66}.hotspot-lead:hover .hotspot-lead-media img{transform:scale(1.015)}.hotspot-lead-media .image-placeholder{color:rgba(173,158,255,.14);font-size:140px;background:transparent}.hotspot-lead-media.image-loaded .image-placeholder{opacity:0}.hotspot-lead-shade{z-index:-1;background:linear-gradient(180deg,rgba(6,9,18,.02) 5%,rgba(8,11,23,.52) 60%,rgba(8,11,22,.88) 100%)}
.hotspot-lead-content{width:min(92%,690px);padding:24px 30px 22px}.hotspot-lead-badge{display:inline-flex;align-items:center;min-height:24px;padding:0 9px;border:1px solid rgba(176,159,255,.2);border-radius:999px;background:rgba(116,86,224,.18);color:#c5b8ff;font-size:9px;font-weight:800;letter-spacing:.04em}.hotspot-lead h3{margin:14px 0 9px;color:#fff;font-size:clamp(25px,2.8vw,34px);font-weight:790;line-height:1.2;letter-spacing:-.045em;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.hotspot-lead p{max-width:650px;margin:0;color:#b6bed0;font-size:12px;line-height:1.65;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.hotspot-lead-meta{display:flex;align-items:center;gap:16px;margin-top:14px;color:#98a4ba;font-size:9px}.hotspot-lead-meta span:first-child{color:#b8a9ff}.hotspot-lead-meta span:last-child{margin-left:auto;color:#c2b7f8;font-weight:750;opacity:.82;transition:.18s}.hotspot-lead:hover .hotspot-lead-meta span:last-child{opacity:1;transform:translateX(2px)}
.hotspot-ranking{min-width:0;display:flex;flex-direction:column;padding:13px 16px 5px;border:1px solid #e7e5ef;border-radius:15px;background:#f8f8fb}.hotspot-ranking-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 1px 7px}.hotspot-ranking-heading h3{margin:0;color:#292b34;font-size:15px;letter-spacing:-.02em}.hotspot-ranking-heading span{color:#9a96a8;font-size:8px;font-weight:800;letter-spacing:.12em}.hotspot-ranking-list{display:flex;min-height:0;flex:1;flex-direction:column}.hotspot-row{min-width:0;min-height:0;display:grid;grid-template-columns:36px minmax(0,1fr);gap:7px;align-items:center;flex:1;padding:5px 2px;border-top:1px solid #e7e7ed;cursor:pointer;transition:background-color .18s,transform .18s}.hotspot-row:hover,.hotspot-row:focus-visible{outline:0;background:#fff;transform:translateX(2px)}.hotspot-row:first-child{border-top:0}.hotspot-rank{font-size:0}.hotspot-rank::after{content:attr(data-number);color:#7553e8;font-size:15px;font-weight:850;letter-spacing:.06em}.hotspot-row:nth-child(n+4) .hotspot-rank::after{color:#a4a7b2}.hotspot-copy{min-width:0}.hotspot-copy h3{margin:0 0 3px;color:#30323b;font-size:11px;font-weight:700;line-height:1.35;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;transition:color .18s}.hotspot-row:hover .hotspot-copy h3,.hotspot-row:focus-visible .hotspot-copy h3{color:#6241dd}.hotspot-copy time{color:#9fa2ad;font-size:8px}
.hotspot-loading{display:grid;grid-template-columns:minmax(0,2.7fr) minmax(248px,1fr);gap:16px;min-height:280px}.hotspot-skeleton-lead,.hotspot-skeleton-ranking{overflow:hidden;border-radius:15px;background:linear-gradient(100deg,#f5f4f8 20%,#eae9f0 40%,#f5f4f8 60%);background-size:300% 100%;animation:shimmer 1.4s infinite}.hotspot-skeleton-lead{display:flex;flex-direction:column;justify-content:flex-end;padding:28px}.hotspot-skeleton-lead i,.hotspot-skeleton-lead span,.hotspot-skeleton-ranking i,.hotspot-skeleton-ranking span{display:block;border-radius:999px;background:rgba(255,255,255,.66)}.hotspot-skeleton-lead i{width:100px;height:23px;margin-bottom:16px}.hotspot-skeleton-lead span{width:74%;height:14px;margin-top:8px}.hotspot-skeleton-lead span:nth-of-type(1){width:88%;height:27px}.hotspot-skeleton-lead span:last-child{width:46%}.hotspot-skeleton-ranking{padding:16px}.hotspot-skeleton-ranking i{width:78px;height:16px;margin-bottom:11px}.hotspot-skeleton-ranking span{height:35px;margin-top:6px;border-radius:7px}.hotspot-empty{padding:54px 20px;border:1px dashed #dfdce9;border-radius:14px;background:#faf9fc;color:#8d909c;font-size:13px;text-align:center}.hotspot-error{display:flex;align-items:center;justify-content:space-between;padding:22px;border:1px solid #efdce0;border-radius:14px;background:#fff8f9;color:#a44957;font-size:13px}.hotspot-error button{border:1px solid #e3dcec;border-radius:8px;background:#fff;padding:7px 12px;color:#6749d8;cursor:pointer}.hotspot-error button:focus-visible{outline:3px solid rgba(109,74,255,.18);outline-offset:2px}
.resume-main{min-height:calc(100vh - 66px)}.resume-intro,.resume-panel{width:min(1040px,calc(100% - 48px));margin-left:auto;margin-right:auto}.resume-intro{padding:64px 0 32px;display:flex;align-items:flex-end;justify-content:space-between;gap:30px}.resume-intro h1{margin:12px 0 10px;color:#20222b;font-size:42px;letter-spacing:-.045em}.resume-intro p{margin:0;color:#777b88;line-height:1.7}.resume-counts{display:flex;gap:12px}.resume-counts>div{min-width:120px;padding:13px 16px;border:1px solid #e8e8ef;border-radius:12px;background:#fff}.resume-counts strong,.resume-counts span{display:block}.resume-counts strong{color:#6644ea;font-size:25px}.resume-counts span{margin-top:4px;color:#9699a4;font-size:11px}
.resume-panel{margin-bottom:80px;padding:26px 30px 32px;border:1px solid #e9e9ef;border-radius:18px;background:#fff;box-shadow:0 16px 45px rgba(38,33,66,.055)}.resume-tabs{display:flex;gap:8px;border-bottom:1px solid #ececf1}.resume-tab{position:relative;padding:0 16px 14px;border:0;background:transparent;color:#858894;font-weight:700;cursor:pointer}.resume-tab.active{color:#5f40dd}.resume-tab.active::after{content:"";position:absolute;right:12px;bottom:-1px;left:12px;height:2px;background:#6d4aff}
.resume-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0 14px}.resume-search{width:min(100%,380px)}.resume-filters{display:flex;gap:8px}.resume-filters select{min-height:42px;padding:0 30px 0 12px;border:1px solid #e4e5eb;border-radius:10px;background:#f8f8fa;color:#666a75}.resume-summary{margin:0 0 16px;color:#999ca6;font-size:12px}
.resume-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.resume-card{min-height:210px;padding:20px;border:1px solid #e9e9ef;border-radius:13px;background:#fff;cursor:pointer;transition:.18s}.resume-card:hover,.resume-card:focus{outline:0;border-color:#d8cffb;box-shadow:0 12px 26px rgba(56,41,111,.08);transform:translateY(-2px)}.resume-card-kicker{color:#7252e8;font-size:10px;font-weight:800;letter-spacing:.08em}.resume-card h3{margin:16px 0 8px;color:#242630;font-size:18px}.resume-card p{margin:0;color:#7d808c;font-size:13px;line-height:1.65}.resume-card-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}.resume-card-meta span,.resume-detail-meta span{padding:4px 7px;border-radius:6px;background:#f1f0f7;color:#777382;font-size:10px}
.resume-empty{padding:70px 20px;text-align:center;border:1px dashed #e1e1e9;border-radius:14px}.resume-empty>span{width:44px;height:44px;margin:auto;display:grid;place-items:center;border-radius:12px;background:#eeebfd;color:#6948e6;font-size:20px;font-weight:900}.resume-empty h3{margin:16px 0 8px;color:#353741;font-size:17px}.resume-empty p{margin:0;color:#9598a3;font-size:13px}.resume-loading{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.resume-loading div{height:210px;border-radius:13px;background:linear-gradient(100deg,#f8f8fa 20%,#eeeeF3 40%,#f8f8fa 60%);background-size:300% 100%;animation:shimmer 1.4s infinite}
.resume-modal{width:min(820px,100%);max-height:calc(100vh - 60px);overflow:auto;border:1px solid #e4e5eb;border-radius:22px;background:#fff;color:#252731;box-shadow:var(--shadow)}.resume-detail{padding:clamp(28px,6vw,55px)}.resume-detail h1{margin:14px 0 12px;font-size:clamp(28px,5vw,43px);line-height:1.25}.resume-detail-summary{color:#6e727e;font-size:16px;line-height:1.8}.resume-detail-meta{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0 28px}.resume-detail-content{color:#4f535e;line-height:1.9}.resume-detail-content img{max-width:100%;height:auto}.resume-detail .download-button{margin-top:28px}
.resume-grid{display:flex;flex-direction:column;gap:0;border:1px solid #ececf2;border-radius:14px;overflow:hidden}.resume-template-card{min-height:156px;display:grid;grid-template-columns:92px minmax(0,1fr) auto;align-items:center;gap:22px;padding:18px 20px;border:0;border-bottom:1px solid #ececf2;border-radius:0;cursor:default}.resume-template-card:last-child{border-bottom:0}.resume-template-card:hover{border-color:#ececf2;background:#fcfbff;box-shadow:none;transform:none}.resume-card-content{min-width:0}.resume-template-card .resume-card-kicker{display:block}.resume-template-card h3{margin:9px 0 7px;font-size:18px}.resume-template-card p{max-width:600px}.resume-card-preview{position:relative;width:86px;height:118px;display:grid;place-items:center;overflow:hidden;border:1px solid #e4e2ec;border-radius:7px;background:#f4f1ff}.resume-card-image,.resume-card-placeholder{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.resume-card-image{opacity:0;transition:opacity .2s}.resume-card-preview.is-loaded .resume-card-image{opacity:1}.resume-card-placeholder{width:42px;height:42px;margin:auto;object-fit:contain}.resume-card-actions{display:flex;align-items:center;gap:9px}.resume-card-actions button{min-width:74px;min-height:44px;padding:0 16px;border-radius:9px;font-weight:700;cursor:pointer;transition:border-color .18s,color .18s,background .18s,transform .18s}.resume-card-actions button:hover{transform:translateY(-1px)}.resume-card-actions button:focus-visible{outline:3px solid rgba(109,74,255,.18);outline-offset:2px}.resume-card-actions button:disabled{cursor:wait;opacity:.6;transform:none}.resume-view-button{border:1px solid #dcd9e8;background:#fff;color:#4f5260}.resume-view-button:hover{border-color:#bcb1ec;color:#6544df}.resume-download-button{border:1px solid #6d4aff;background:#6d4aff;color:#fff}.resume-download-button:hover{background:#5d3cdf}.resume-loading{display:flex;flex-direction:column;gap:1px;border:1px solid #ececf2;border-radius:14px;overflow:hidden;background:#ececf2}.resume-loading div{height:156px;border-radius:0}.resume-modal{width:min(1040px,100%)}.resume-detail-actions{display:flex;justify-content:flex-end}.resume-detail .resume-detail-actions .download-button{margin:0;min-height:44px}.resume-preview-section{margin-top:26px}.resume-preview-section h2{margin:0 0 12px;font-size:16px}.resume-preview{min-height:480px;overflow:hidden;border:1px solid #e1ddec;border-radius:13px;background:#eceaf2}.resume-preview-frame{display:block;width:100%;height:min(72vh,900px);border:0;background:#fff}.resume-preview-message{margin:0;padding:60px 20px;color:#7d7f8c;text-align:center}.resume-preview-message.is-error{color:#a44957}.resume-detail-content:empty{display:none}
@media(max-width:900px){.hotspot-layout,.hotspot-loading{grid-template-columns:1fr;min-height:0}.hotspot-lead{min-height:260px}.hotspot-ranking{padding-bottom:8px}.hotspot-row{min-height:54px}.resume-toolbar{align-items:stretch;flex-direction:column}.resume-search{width:100%}.resume-template-card{grid-template-columns:82px minmax(0,1fr);gap:16px}.resume-card-preview{width:76px;height:105px}.resume-card-actions{grid-column:2;justify-content:flex-start}.resume-card-actions button{flex:0 0 auto}}
@media(max-width:760px){.main-nav .nav-link{padding:0 4px;font-size:9px}.hotspot-block{margin:14px 14px 0}.hotspot-heading{align-items:flex-start;flex-direction:column;gap:6px}.hotspot-layout,.hotspot-loading{gap:10px}.hotspot-lead{min-height:245px;border-radius:12px}.hotspot-lead-content{width:100%;padding:20px 19px 18px}.hotspot-lead-badge{min-height:22px}.hotspot-lead h3{margin:12px 0 8px;font-size:22px;line-height:1.25;-webkit-line-clamp:3}.hotspot-lead p{font-size:11px;line-height:1.55;-webkit-line-clamp:2}.hotspot-lead-meta{gap:11px;margin-top:12px}.hotspot-lead-meta span:last-child{display:none}.hotspot-lead-media .image-placeholder{font-size:90px}.hotspot-ranking{padding:14px 14px 6px;border-radius:12px}.hotspot-ranking-heading{padding:0 1px 8px}.hotspot-row{min-height:55px;grid-template-columns:38px minmax(0,1fr);padding:8px 2px}.hotspot-copy h3{font-size:12px}.hotspot-rank::after{font-size:15px}.hotspot-skeleton-lead{min-height:245px;padding:20px}.hotspot-skeleton-ranking{min-height:310px;padding:15px}.resume-intro,.resume-panel{width:min(100% - 24px,1040px)}.resume-intro{padding:38px 2px 24px;align-items:flex-start}.resume-intro h1{font-size:32px}.resume-counts{display:none}.resume-panel{padding:20px 15px;border-radius:14px}.resume-filters{overflow-x:auto}.resume-filters select{flex:0 0 auto}.resume-template-card{min-height:150px;grid-template-columns:68px minmax(0,1fr);gap:13px;padding:16px 13px}.resume-card-preview{width:64px;height:88px}.resume-template-card h3{font-size:16px}.resume-template-card p{font-size:12px}.resume-card-actions{grid-column:1/-1;width:100%;justify-content:stretch}.resume-card-actions button{flex:1}.resume-modal{width:100%;max-height:94vh;border-radius:20px 20px 0 0}.resume-detail{padding:28px 16px 40px}.resume-preview{min-height:420px;border-radius:10px}.resume-preview-frame{height:68vh}}
@media(prefers-reduced-motion:reduce){.hotspot-lead,.hotspot-row,.hotspot-lead-media img,.hotspot-lead-meta span:last-child{transition:none}.hotspot-loading>*{animation:none}}

/* Fstep brand system */
.brand-mark{overflow:hidden;background:transparent;box-shadow:0 10px 25px rgba(109,74,255,.25)}
.brand-mark img{display:block;width:100%;height:100%;object-fit:contain}
.brand>span:last-child,.mobile-brand strong{letter-spacing:.035em}
.login-tagline{letter-spacing:.06em;text-transform:none}
.image-placeholder{background:#f4f1ff url("./assets/fstep-placeholder.svg") center/cover no-repeat;color:transparent;font-size:0}
.hotspot-lead-media .image-placeholder{background-color:#11152a;background-size:cover;opacity:.5}
.resume-empty>span{overflow:hidden;background:#f2efff}
.resume-empty>span img{display:block;width:30px;height:30px;object-fit:contain}
.resume-example-types{display:flex;gap:8px;margin:18px 0 2px;overflow-x:auto}.resume-example-type{min-height:36px;flex:0 0 auto;padding:0 16px;border:1px solid #e2dff0;border-radius:9px;background:#f8f7fc;color:#777583;font-weight:700;cursor:pointer}.resume-example-type.active{border-color:#6d4aff;background:#6d4aff;color:#fff}.resume-example-type:focus-visible{outline:3px solid rgba(109,74,255,.18);outline-offset:2px}
@media(max-width:760px){.mobile-brand .brand-mark{width:40px;height:40px}.login-tagline{font-size:10px;letter-spacing:.035em}}
.skill-install-prompt{padding:16px 18px;border:1px solid #e8e2f4;background:#faf8ff;border-radius:10px;margin-top:18px}
.skill-install-prompt p{margin:0 0 12px;line-height:1.8;overflow-wrap:anywhere}
#skillInstructions{padding-left:22px;line-height:1.85}#skillInstructions li+li{margin-top:8px}
#skillReadingPreview{margin-top:20px}#skillReadingFrame{width:100%;height:560px;border:1px solid #e7e2ef;border-radius:8px;background:white}
@media(max-width:600px){#skillReadingFrame{height:440px}.skill-install-prompt{padding:14px}}
.knowledge-prompt-only #knowledgeIntroductionSection{margin:24px 0}.knowledge-prompt-only #knowledgeIntroductionTitle{font-size:20px;margin:0 0 12px}.knowledge-prompt-only .knowledge-lead{margin:0;padding:0;border:0;background:none;font-size:15px;line-height:1.85}.knowledge-prompt-only .knowledge-template{margin-top:24px;min-width:0}.knowledge-prompt-only .section-title-row{gap:12px;flex-wrap:wrap}.knowledge-prompt-only #knowledgeTemplate{white-space:pre-wrap;overflow-wrap:anywhere;word-break:normal;max-width:100%;font-family:inherit;line-height:1.85;user-select:text}.knowledge-prompt-only #knowledgeTemplate:focus-visible{outline:2px solid #6848dd;outline-offset:3px}