:root{--brand:#3454c5;--brand-dark:#263f9c;--ink:#1e293b;--muted:#718096;--line:#e7ebf1;--canvas:#f3f5f8;--card:#fff;--radius:16px;--shadow:0 12px 36px rgba(28,39,65,.07)}
*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei UI","Noto Sans CJK SC",system-ui,sans-serif;-webkit-font-smoothing:antialiased}.site-hero{background:linear-gradient(115deg,rgba(20,30,56,.96),rgba(49,76,164,.9)),url(../images/banner_bg.jpg) center/cover}.brand-mark{display:grid;width:46px;height:46px;border:1px solid rgba(255,255,255,.35);border-radius:13px;background:rgba(255,255,255,.1);place-items:center;font-size:25px;font-weight:700}.brand-name{font-size:22px;font-weight:700;letter-spacing:.14em}.hero-copy{color:rgba(255,255,255,.66);font-size:13px;letter-spacing:.14em}.site-nav{border-bottom:1px solid rgba(30,41,59,.07);box-shadow:0 4px 18px rgba(30,41,59,.05)}.site-nav .navbar-brand{color:var(--brand);font-weight:700}.site-nav .nav-link{padding:.95rem .8rem!important;color:#526075;font-size:14px;font-weight:500}.site-nav .nav-link:hover{color:var(--brand)}
.welcome-panel,.article-panel,.side-card,.article-shell,.detail-panel{border:1px solid var(--line)!important;border-radius:var(--radius)!important;background:var(--card)!important;box-shadow:var(--shadow)!important}.welcome-panel{background:linear-gradient(125deg,#fff 0%,#fff 62%,#f2f5ff 100%)!important}.article-panel{overflow:hidden}.article-item{background:#fff!important}.article-title a{color:#263044!important;text-decoration:none}.article-title a:hover{color:var(--brand)!important}.article-pagination .pagination{justify-content:center;gap:7px}.pagination .page-link,.pagination>li>a,.pagination>li>span{border-radius:9px!important;color:#667085}.pagination .active>.page-link,.pagination>.active>span{border-color:var(--brand)!important;background:var(--brand)!important;color:#fff!important}
.side-card{padding:24px}.side-title{margin:0 0 18px;padding-bottom:13px;border-bottom:1px solid var(--line);font-size:17px;font-weight:650}.side-title:after{content:"";display:block;width:30px;height:2px;margin-top:13px;margin-bottom:-15px;background:var(--brand)}.side-note{color:var(--muted);font-size:14px;line-height:1.75}.side-card .form-control{border-color:#dfe4ec;box-shadow:none}.side-card .form-control:focus{border-color:var(--brand);box-shadow:0 0 0 .2rem rgba(52,84,197,.1)}.side-card .btn-primary{border-color:var(--brand);background:var(--brand)}.sign-button{display:block;width:108px;height:108px;margin:20px auto;border:0;border-radius:50%;background:linear-gradient(145deg,#5571d7,#334fb8);box-shadow:0 12px 26px rgba(52,84,197,.24);color:#fff;font-size:14px;font-weight:600;transition:transform .18s}.sign-button:hover:not(:disabled){transform:translateY(-2px)}.sign-button:active:not(:disabled){transform:scale(.97)}.sign-button:disabled{background:#eef1f5;box-shadow:none;color:#8b95a5}.side-divider{height:1px;margin:22px 0;background:var(--line)}.calendar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.calendar-head button{width:34px;height:32px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#5d687c}.week-grid,.day-grid5{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;text-align:center}.week-grid{margin-bottom:6px;color:#9aa3b1;font-size:12px}.day-grid5>span,.day-grid5>button{aspect-ratio:1;border:0;border-radius:8px;background:#f7f8fb;color:#566176;font-size:12px}.day-grid5>span{background:transparent}.day-grid5 button.today{outline:2px solid var(--brand);color:var(--brand)}.day-grid5 button.studied{background:#43a77b;color:#fff;font-weight:600}.day-grid5 button.future{color:#c8cdd5}.tag-list{display:flex;flex-wrap:wrap;gap:7px}.tag-list a{padding:5px 10px;border:1px solid var(--line);border-radius:20px;background:#f8f9fb;color:#5d687c;font-size:12px;text-decoration:none}.tag-list a:hover{border-color:var(--brand);background:var(--brand);color:#fff}.experience{padding:12px 14px;border-radius:10px;background:#f7f8fc;color:#687386;font-size:13px}.experience strong{color:#d8942c}
.workspace-card{display:flex;align-items:flex-start;gap:16px;background:linear-gradient(135deg,#fff,#f3f6ff)!important}.workspace-icon{display:grid;flex:0 0 46px;width:46px;height:46px;border-radius:13px;background:#eaf0ff;color:var(--brand);place-items:center;font-size:19px}.workspace-copy h2{margin:1px 0 6px;font-size:17px;font-weight:650}.workspace-copy p{margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.65}.workspace-link{color:var(--brand);font-size:13px;font-weight:600;text-decoration:none}.workspace-link span{display:inline-block;margin-left:4px;transition:transform .16s}.workspace-link:hover span{transform:translateX(3px)}
.article-shell{padding:38px 42px!important}.detail-panel{padding:28px 30px!important}.article-body{line-height:1.9}.article-body img{max-width:100%;height:auto}.site-footer{background:#20293b;color:#aeb7c7}.footer-row{display:flex;align-items:flex-start;gap:22px;margin-bottom:15px}.footer-row strong{flex:0 0 92px;color:#fff;font-size:14px;line-height:30px}.footer-row>div{display:flex;flex-wrap:wrap;gap:7px}.footer-row a{padding:4px 9px;border:1px solid rgba(255,255,255,.12);border-radius:7px;color:#bdc6d5;font-size:12px;text-decoration:none}.footer-row a:hover{border-color:#7189e0;color:#fff}.footer-bottom{background:#171e2c;color:#8993a5;font-size:12px}.footer-bottom a{color:#aeb7c7;text-decoration:none}.back-top{position:fixed;right:24px;bottom:24px;z-index:20;display:none;width:42px;height:42px;border:0;border-radius:50%;background:var(--brand);box-shadow:0 8px 20px rgba(52,84,197,.3);color:#fff}.back-top.show{display:block}.site-toast{position:fixed;left:50%;bottom:35px;z-index:2000;padding:10px 18px;border-radius:9px;background:rgba(24,32,48,.94);color:#fff;font-size:14px;opacity:0;transform:translate(-50%,15px);transition:.2s;pointer-events:none}.site-toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:991.98px){.site-nav .nav-link{padding:.65rem 0!important}.article-shell{padding:28px!important}}@media(max-width:767.98px){.brand-name{font-size:18px}.site-hero .container{padding-top:2rem!important;padding-bottom:2rem!important}.article-shell,.detail-panel{padding:22px 18px!important}.footer-row{display:block}.footer-row strong{display:block;margin-bottom:7px}.welcome-panel{padding:28px 22px!important}}

/* Pagination */
.content-wrap{padding-top:34px}.detail-page{padding-top:0}.detail-layout{margin-top:38px}
@media(min-width:992px){.site-nav-list>.nav-item{flex:1 1 0;min-width:0;text-align:center}.site-nav-list>.nav-item>.nav-link{display:block;width:100%;white-space:nowrap}}
.article-pagination{padding-top:26px!important;padding-bottom:34px!important}
.article-pagination .pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:0;padding:0;list-style:none}
.article-pagination .pagination>li{margin:0}
.article-pagination .pagination>li>a,.article-pagination .pagination>li>span{display:flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border:1px solid #e1e6ee!important;border-radius:9px!important;background:#fff;color:#667085!important;font-size:13px;line-height:1;text-decoration:none;box-shadow:none;transition:border-color .16s ease,background-color .16s ease,color .16s ease}
.article-pagination .pagination>li>a:hover{border-color:var(--brand)!important;background:#f3f6ff!important;color:var(--brand)!important}
.article-pagination .pagination>li.active>span{border-color:var(--brand)!important;background:var(--brand)!important;color:#fff!important;font-weight:600}
.article-pagination .pagination>li.disabled>span{border-color:#edf0f4!important;background:#f7f8fa!important;color:#b8bfca!important;cursor:not-allowed}

/* Footer groups */
.related-list a,.related-list a:hover,.related-list a:focus{text-decoration:none!important}
.footer-group{margin:0 0 27px}
.footer-group:last-child{margin-bottom:0}
.footer-group h2{position:relative;margin:0 0 15px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.13);color:#fff;font-size:16px;font-weight:600;line-height:1.4}
.footer-group h2:after{content:"";position:absolute;left:0;bottom:-1px;width:38px;height:2px;border-radius:2px;background:#7189e0}
.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.footer-links a{display:inline-flex;padding:5px 10px;border:1px solid rgba(255,255,255,.12);border-radius:7px;background:rgba(255,255,255,.035);color:#bdc6d5;font-size:12px;line-height:1.5;text-decoration:none;transition:border-color .16s ease,background-color .16s ease,color .16s ease}
.footer-links a:hover{border-color:#7189e0;background:rgba(113,137,224,.12);color:#fff}
@media(max-width:575.98px){.article-pagination .pagination{gap:6px}.article-pagination .pagination>li>a,.article-pagination .pagination>li>span{min-width:34px;height:34px;padding:0 9px}.footer-group{margin-bottom:23px}}
.status-toggle.status-todo{border-color:#dbe2ee!important;background:#f1f4f8!important;color:#64748b!important;font-weight:600}.status-toggle.status-doing{border-color:#f4d7a8!important;background:#fff6e7!important;color:#b66b12!important;font-weight:600}.status-toggle.status-done{border-color:#c9e7d9!important;background:#edf8f3!important;color:#27815f!important;font-weight:600}
@media(max-width:767.98px){.detail-layout{margin-top:22px}}
@media(max-width:767.98px){.content-wrap{padding-top:20px}}