:root{
  --bg:#f5f8fc; --card:#ffffff; --text:#17314c; --muted:#60768f; --navy:#12386b; --blue:#235fe1; --line:#d8e3ef;
  --soft:#f8fbff; --yellow:#f2b01e; --yellow-soft:#fff3ce; --green:#13a36f; --green-soft:#ecfbf3; --shadow:0 12px 30px rgba(26,52,89,.08); --max:1260px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth;max-width:100%;overflow-x:hidden}
body{margin:0;font-family:"Inter","Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;max-width:100%;overflow-x:hidden}
a{text-decoration:none;color:inherit} button,input,select,textarea{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto;min-width:0;max-width:100%}
.topbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.nav{min-height:74px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:14px}
.logo{width:46px;height:46px;border-radius:12px;background:linear-gradient(145deg,#0d3f88,#184da4);display:grid;place-items:center;color:#fff;font-size:24px;font-weight:900}
.brand-title{font-size:22px;font-weight:900;color:#12439a}
.brand-sub{font-size:12px;color:var(--muted);font-weight:700;margin-top:-2px}
.nav-links{display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.nav-links a{font-weight:800;color:#273d56}.nav-links a.active,.nav-links a:hover{color:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn,.feedback-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 16px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--blue);font-weight:900;cursor:pointer}
.btn:disabled,.feedback-btn:disabled{opacity:.55;cursor:not-allowed}
.avatar-btn{background:transparent;border:none;padding:0;cursor:pointer}
.avatar-shell{width:42px;height:42px;border-radius:50%;background:linear-gradient(145deg,#d7e5ff,#eef4ff);display:grid;place-items:center;box-shadow:var(--shadow)}
.avatar-core{width:30px;height:30px;border-radius:50%;background:linear-gradient(145deg,#5e86d4,#9ec0ff);display:grid;place-items:center;color:#fff;font-weight:900}
.badge{display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;background:#eef7ff;border:1px solid #c9dcff;color:#2250a7;font-weight:900;font-size:13px}
.hero{background:linear-gradient(rgba(18,56,109,.82),rgba(18,56,109,.82)),url('https://images.unsplash.com/photo-1562774053-701939374585?q=80&w=1600&auto=format&fit=crop') center/cover no-repeat;color:#fff}
.hero-inner{padding:86px 0 108px}
.hero h1{margin:0 0 14px;font-size:64px;line-height:1.08;font-weight:900}
.hero p{margin:0 0 28px;font-size:20px;color:rgba(255,255,255,.95);max-width:860px}
.search-box{max-width:760px}
.search-wrap{display:grid;grid-template-columns:1fr 140px 110px;gap:10px}
.search-wrap.single-search{grid-template-columns:1fr 110px}
.search-wrap input,.search-wrap select{height:58px;border:none;border-radius:16px;padding:0 18px;background:#fff;color:#111}
.search-wrap input::placeholder{color:#6b7380}
.search-wrap button{height:58px;border:none;border-radius:16px;background:var(--blue);color:#fff;font-weight:900;cursor:pointer}
.search-results{display:none;margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.search-results.show{display:block}
.search-item{padding:14px 18px;border-top:1px solid #eef3f8;color:#111;background:#fff;cursor:pointer}
.search-item:first-child{border-top:none}.search-item:hover{background:#f5f9ff}
.stats-wrap{margin-top:-40px;position:relative;z-index:2}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.stat{padding:24px 28px;border-right:1px solid var(--line)} .stat:last-child{border-right:none}
.num{font-size:34px;font-weight:900;color:var(--navy)} .label{font-size:14px;color:var(--muted);margin-top:6px}
section{padding:56px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:20px}
.section-head h2{margin:0;font-size:32px;line-height:1.1}.section-head p{margin:6px 0 0;color:var(--muted)}
.more{color:var(--blue);font-weight:900}
.grid-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.grid-3,.grid-4{align-items:start}
.card,.panel,.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);min-width:0;max-width:100%;overflow:hidden} .card,.panel,.form-card{padding:22px}
.clickable{cursor:pointer;transition:.2s ease}.clickable:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(26,52,89,.11)}
.pill,.tag,.chip{display:inline-flex;align-items:center;justify-content:center;height:30px;padding:0 10px;border-radius:999px;background:#eef4ff;border:1px solid #d7e5fb;color:#2856a5;font-size:12px;font-weight:800}
.tag-chip{display:inline-flex;align-items:center;justify-content:center;height:34px;padding:0 12px;border-radius:999px;background:#eef2f7;border:1px solid #d7e1ec;color:#52677e;font-weight:800;cursor:pointer;transition:background .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease}
.tag-chip.active{background:#12386b;border-color:#0c2a55;color:#ffffff;box-shadow:0 8px 18px rgba(18,56,107,.28)}
.custom-tag-row{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:12px}
.custom-tag-row input{width:100%;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 12px;color:var(--text)}
.verify-pill{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;background:var(--green-soft);border:1px solid #bfe7ce;color:var(--green);font-size:12px;font-weight:900}
.ap-pill{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;background:#fff6dc;border:1px solid #f1dfa0;color:#9b6a00;font-size:12px;font-weight:900}
.card h3{margin:0 0 8px;font-size:26px;line-height:1.2}.card p{margin:0 0 12px;color:var(--muted);font-size:14px}
.meta{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;flex-wrap:wrap;font-size:14px;color:var(--muted)} .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.kv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.kv-card{padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--soft)}
.kv-card .k{font-size:14px;color:var(--muted);font-weight:700}
.kv-card .v{font-size:18px;font-weight:900;color:var(--navy);margin-top:6px}
.split-hero,.top-summary,.school-top,.settings-layout,.login-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.big-score{font-size:68px;line-height:1;font-weight:900;color:var(--navy)}
.stars{--rating:0; --size:18px; position:relative; display:inline-block; flex:0 0 auto; width:calc(var(--size) * 5.75); font-size:var(--size); line-height:1; letter-spacing:2px}
.stars::before{content:"★★★★★"; color:#d7dee8}
.stars::after{content:"★★★★★"; position:absolute; left:0; top:0; width:calc(var(--rating)/5 * 100%); overflow:hidden; white-space:nowrap; color:var(--yellow); transition:width .2s ease}
.star-row{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;flex:0 0 auto}
.score-num{font-weight:900;color:var(--navy)}
.review-grid{display:block;columns:2 360px;column-gap:18px}
.review-card{display:inline-block;width:100%;margin:0 0 18px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);min-width:0;max-width:100%;overflow:hidden;break-inside:avoid;page-break-inside:avoid}
.review-card *,.reply-item *,.admin-row *,.feedback-row *,.metric-chip *,.card *,.panel *{min-width:0}
.collapsible-text{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;max-width:100%}
.collapsible-text.expanded{display:block;-webkit-line-clamp:unset;overflow:visible}
.text-toggle{display:none;margin-top:8px;border:0;background:transparent;color:var(--blue);font-weight:900;cursor:pointer;padding:0}
.focus-highlight{outline:3px solid rgba(62,99,221,.35);box-shadow:0 0 0 8px rgba(62,99,221,.12),var(--shadow)}
.review-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.user-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;background:#eef4ff;border:1px solid #d7e5fb;font-size:13px;font-weight:800;color:#2856a5}
.review-date{font-size:13px;color:var(--muted)} .review-text{margin-top:12px;font-size:15px;max-width:100%;overflow-wrap:anywhere;word-break:break-word}
.metric-chip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}
.metric-chip{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:12px;background:#f7fbff;border:1px solid #e5edf7;font-size:13px;max-width:100%;overflow-wrap:anywhere;word-break:break-word}
.reaction-row{display:flex;justify-content:flex-end;gap:10px;margin-top:12px}
.react-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer}.react-btn .count{font-weight:900}
.react-btn.active.up{background:#eefaf2;border-color:#cbe8d7;color:#17603d}.react-btn.active.down{background:#fff1ef;border-color:#f0cfcb;color:#a54739}
.reply-block{margin-top:14px;border-top:1px solid #edf2f7;padding-top:12px}
.reply-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap;margin-top:12px}
.reply-toggle,.reply-button{height:34px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--blue);font-weight:900;cursor:pointer}
.reply-button{height:30px;margin-top:8px;font-size:13px;color:var(--muted)}
.reply-list{display:none;gap:10px;margin-top:12px}
.reply-list.show{display:grid}
.reply-hidden{display:none!important}
.reply-item{padding:12px;border:1px solid #e5edf7;border-radius:14px;background:#fbfdff;min-width:0;max-width:100%;overflow:hidden}
.reply-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.reply-to{font-size:13px;color:var(--blue);font-weight:800}
.reply-inline-prefix{color:var(--blue);font-weight:900}
.comment-tools{display:flex;align-items:center;gap:10px;margin-top:8px}
.report-btn{height:28px;padding:0 10px;border:1px solid transparent;background:transparent;color:var(--muted);font-weight:900;cursor:pointer;border-radius:999px}
.report-btn:hover{background:#f2f6fb;color:#a54739;border-color:#e5edf7}
.comment-status{display:inline-flex;align-items:center;border-radius:999px;background:#eefaf2;color:#17603d;border:1px solid #cbe8d7;padding:2px 8px;font-size:12px;font-weight:900}
.reply-text{margin-top:8px;font-size:14px;color:var(--text);max-width:100%;overflow-wrap:anywhere;word-break:break-word}
.reply-form{display:none;margin-top:12px;gap:10px}
.reply-form.show{display:grid}
.reply-form textarea{width:100%;min-height:80px;border:1px solid var(--line);border-radius:12px;padding:12px;resize:vertical}
.reply-target{font-size:13px;font-weight:900;color:var(--blue)}
.mute-note{padding:12px;border-radius:12px;border:1px solid #f0cfcb;background:#fff1ef;color:#a54739;font-weight:900}
.course-section{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fbfdff}
.course-header{display:grid;grid-template-columns:240px repeat(5,1fr) 180px;gap:14px;align-items:start}
.course-name{font-size:20px;font-weight:900;color:var(--navy)}
.course-mini{padding:8px 10px;border-radius:12px;background:#fff;border:1px solid #e5edf7}
.course-mini .t{font-size:12px;color:var(--muted);font-weight:700}.course-mini .v{font-size:18px;font-weight:900;color:var(--navy)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{margin-top:14px}.field label{display:block;font-weight:900;font-size:14px;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;padding:14px;color:#18324d}.field textarea{min-height:120px;resize:vertical}
.star-scale-list{display:grid;gap:16px;margin-top:18px}
.star-scale{padding:18px;border:1px solid var(--line);border-radius:18px;background:var(--soft)}
.star-scale h4{margin:0 0 4px;font-size:20px;color:var(--navy)} .star-scale p{margin:0;color:var(--muted)}
.star-pick-row{display:grid;grid-template-columns:220px 1fr;gap:18px;align-items:center;margin-top:14px}
.visual-stars{font-size:34px;line-height:1;letter-spacing:4px;position:relative;display:inline-block;cursor:pointer;user-select:none;touch-action:manipulation}
.visual-stars:focus{outline:3px solid rgba(35,95,225,.28);outline-offset:4px;border-radius:8px}
.visual-stars .base{color:#d7dee8}
.visual-stars .fill{position:absolute;left:0;top:0;white-space:nowrap;overflow:hidden;color:var(--yellow);transition:width .12s ease;pointer-events:none}
.star-picker{position:relative;height:38px;margin-top:4px;border-radius:12px;background:linear-gradient(180deg,#ffffff,#f7fbff);border:1px solid #e5edf7;overflow:hidden}
.star-hit{position:absolute;top:0;height:38px;background:transparent;border:none;cursor:pointer;z-index:3}
.star-info{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;padding:12px 14px;border-radius:14px;background:#fff;border:1px solid #e5edf7}
.lock-wrap{background:#fff8e8;border:1px solid #f1d6a5;border-radius:18px;padding:18px;color:#7f5810}
.file-preview{display:flex;align-items:center;gap:12px;margin-top:12px;padding:12px;border:1px solid var(--line);border-radius:14px;background:#fbfdff}
.file-preview img{width:78px;height:78px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.settings-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.big-avatar{width:96px;height:96px;border-radius:50%;background:linear-gradient(145deg,#5a83d6,#9ec0ff);display:grid;place-items:center;color:#fff;font-weight:900;font-size:34px}
.thumb-table{width:100%;border-collapse:collapse}
.thumb-table th,.thumb-table td{padding:14px 10px;border-bottom:1px solid #edf2f7;text-align:left;font-size:14px;vertical-align:middle}
.thumb-table img{width:86px;height:54px;object-fit:cover;border-radius:8px;border:1px solid var(--line);cursor:pointer}
.filter-bar{display:flex;gap:14px;flex-wrap:wrap;margin-top:16px}
.filter-control{display:grid;gap:6px;min-width:180px}
.filter-control label{font-size:13px;font-weight:900;color:var(--muted)}
.filter-control select,.filter-control input{height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 12px;color:var(--text)}
.list-section{margin-bottom:28px}
.feedback-form{max-width:760px}
.admin-tabs{display:flex;gap:10px;margin-bottom:14px}
.admin-tab{height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-weight:900;cursor:pointer}
.admin-tab.active{background:var(--navy);border-color:var(--navy);color:#fff}
.admin-tab-panel{display:none}
.admin-tab-panel.show{display:block}
.feedback-list{display:grid;gap:12px}
.feedback-row{padding:14px;border:1px solid #e5edf7;border-radius:14px;background:#fbfdff;min-width:0;max-width:100%;overflow:hidden}
.feedback-row p{margin:8px 0 0;color:var(--text);overflow-wrap:anywhere;word-break:break-word}
.attachment-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.attachment-list a,.attachment-list button{padding:6px 10px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--blue);font-weight:900;font-size:13px;cursor:pointer;max-width:100%;overflow-wrap:anywhere;word-break:break-word}
.inbox-list{display:grid;gap:10px}.inbox-item{padding:12px;border:1px solid #e5edf7;border-radius:12px;background:#fbfdff}.inbox-item p{margin:8px 0 0}
.home-notice,.comment-tip{margin-top:14px;padding:12px 14px;border:1px solid #cfe0f7;border-radius:14px;background:#f7fbff;color:var(--navy);font-weight:800}
.admin-shell .panel{margin-top:14px}
.admin-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px}
.admin-stat{padding:18px;border:1px solid var(--line);border-radius:16px;background:#fbfdff}
.admin-list,.admin-log{display:grid;gap:12px;margin-top:14px}
.admin-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:start;padding:14px;border:1px solid #e5edf7;border-radius:14px;background:#fbfdff;min-width:0;max-width:100%;overflow:hidden}
.admin-row-title{font-weight:900;color:var(--navy)}
.admin-row-meta{margin-top:4px;font-size:13px;color:var(--muted)}
.admin-row p{margin:8px 0 0;color:var(--text);overflow-wrap:anywhere;word-break:break-word}
.admin-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;max-width:360px}
.admin-actions button{height:32px;padding:0 10px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--blue);font-weight:900;cursor:pointer}
.admin-actions button[data-act="delete"],.admin-actions button[data-act="mute"],.admin-actions button[data-act="hide"],.admin-actions button[data-act="hideTeacher"],.admin-actions button[data-act="hideCourse"]{color:#a54739;background:#fff8f6;border-color:#f0cfcb}
.admin-status{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:900;border:1px solid #d8e3ef;background:#fff;color:var(--muted)}
.admin-status.approved{background:#eefaf2;color:#17603d;border-color:#cbe8d7}.admin-status.pending,.admin-status.flagged{background:#fff8e8;color:#9b6a00;border-color:#efd99a}.admin-status.hidden,.admin-status.deleted{background:#fff1ef;color:#a54739;border-color:#f0cfcb}
.admin-form{display:grid;grid-template-columns:repeat(4,1fr) auto;gap:10px;align-items:end;margin-bottom:14px}
.admin-form input,.admin-form select,.admin-form textarea{width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px;color:var(--text)}
.admin-form.stacked{grid-template-columns:1fr;align-items:stretch}.admin-form.stacked label{display:grid;gap:8px;font-weight:900}.admin-form.stacked textarea{min-height:92px}
.check-row{display:flex!important;align-items:center;gap:8px}.check-row input{width:auto}
.admin-mini-row{padding:12px;border:1px solid #e5edf7;border-radius:12px;background:#fbfdff}
.rules-stack{display:grid;gap:16px}
.rules-section h3{margin-top:0;color:var(--navy)}
.rules-section p{margin-bottom:0;color:var(--text)}
.reference-note{margin-top:18px;color:var(--muted);font-size:13px}.reference-note a{color:var(--blue);text-decoration:underline;font-weight:900}
.modal-backdrop{position:fixed;inset:0;background:rgba(8,14,24,.75);display:none;align-items:center;justify-content:center;z-index:120}
.modal-backdrop.show{display:flex}
.modal-card{background:#0c1625;border-radius:18px;padding:18px;max-width:min(900px,90vw);color:#fff;box-shadow:0 20px 40px rgba(0,0,0,.35)}
.modal-card img{display:block;max-width:min(860px,86vw);max-height:70vh;border-radius:14px}
#toastStack{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:300;display:grid;gap:10px;max-width:min(420px,calc(100vw - 32px));justify-items:center}
.site-toast{transform:translateY(-8px);opacity:0;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--text);box-shadow:var(--shadow);font-weight:900;transition:.2s ease}
.site-toast.show{transform:translateY(0);opacity:1}
.site-toast.success{border-color:#cbe8d7;background:#eefaf2;color:#17603d}.site-toast.warning{border-color:#efd99a;background:#fff8e8;color:#9b6a00}.site-toast.error{border-color:#f0cfcb;background:#fff1ef;color:#a54739}.site-toast.info{border-color:#cfe0f7;background:#f7fbff;color:var(--navy)}
.site-modal-backdrop{position:fixed;inset:0;z-index:260;background:rgba(8,14,24,.45);display:flex;align-items:center;justify-content:center;padding:20px}
.site-modal-card{width:min(560px,calc(100vw - 32px));max-height:86vh;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px rgba(15,35,60,.28);padding:20px;color:var(--text)}
.site-modal-title{font-size:20px;font-weight:900;color:var(--navy);margin-bottom:10px}.site-modal-body{color:var(--text);line-height:1.6}
.site-modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.site-modal-btn{height:40px;padding:0 16px;border-radius:12px;border:1px solid var(--line);font-weight:900;cursor:pointer}
.site-modal-btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}.site-modal-btn.secondary{background:#f6f9fd;color:var(--muted)}
.site-input-grid{display:grid;gap:12px}.site-input-grid label{display:grid;gap:6px;font-weight:900;color:var(--navy)}.site-input-grid input,.site-input-grid textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;color:var(--text);background:#fff}.site-input-grid textarea{min-height:96px;resize:vertical}
.helper,.empty-note,.small-note{font-size:13px;color:var(--muted)}
.footer{background:#17365e;color:#d7e2ee;margin-top:64px;border-top:1px solid rgba(255,255,255,.08)}
.footer-inner{padding:44px 0 18px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;padding-bottom:22px}
.footer h4{margin:0 0 12px;color:#fff}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:8px 0;color:#c6d3e1}
.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:14px;text-align:center;font-size:13px;color:#c4d0dd}
@media (max-width:1180px){.grid-4,.grid-3,.review-grid,.metric-chip-grid{grid-template-columns:1fr 1fr}.course-header{grid-template-columns:1fr 1fr}.split-hero,.top-summary,.school-top,.settings-layout,.login-grid{grid-template-columns:1fr}.kv-grid{grid-template-columns:1fr 1fr}}
@media (max-width:820px){.container{width:min(var(--max),calc(100% - 24px))}.nav{padding:14px 0;align-items:flex-start;flex-direction:column}.nav-links{gap:16px}.hero h1{font-size:42px}.search-wrap{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:none}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.grid-2,.grid-3,.grid-4,.review-grid,.form-grid,.kv-grid,.metric-chip-grid,.admin-stat-grid,.admin-form{grid-template-columns:1fr}.admin-row{grid-template-columns:1fr}.admin-actions{justify-content:flex-start;max-width:none}.star-pick-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}}
@media (max-width:820px){.search-wrap.single-search{grid-template-columns:1fr}.filter-bar{display:grid}.filter-control{min-width:0}.admin-tabs{flex-wrap:wrap}}
@media (max-width:820px){.review-grid{columns:1}}
@media (max-width:820px){.custom-tag-row{grid-template-columns:1fr}}

.star-scale:hover{box-shadow:0 14px 30px rgba(26,52,89,.08)}
.star-info strong{color:#9b6a00}
.star-hit:hover{background:rgba(242,176,30,.08)}