body{margin:0;font-family:Arial,"Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#f7faff 0%,#fff 44%,#f6f8fc 100%);color:#061b31;font-feature-settings:"ss01"}
a{color:#533afd;text-decoration:none}a:hover{color:#4434d4}.topbar{position:sticky;top:0;z-index:20;min-height:70px;background:rgba(255,255,255,.88);color:#061b31;border-bottom:1px solid #e5edf5;backdrop-filter:blur(14px);box-shadow:0 8px 24px rgba(0,55,112,.06);display:flex;align-items:center;justify-content:space-between;padding:0 40px;gap:18px}.brand{font-size:18px;font-weight:700;color:#061b31;letter-spacing:-.2px;white-space:nowrap}.topbar nav{display:flex;align-items:center;justify-content:flex-end;gap:16px;flex-wrap:wrap}.topbar a{color:#273951;font-weight:400}.topbar a:hover{color:#533afd}.topbar nav a:last-child{padding:8px 14px;border:1px solid #b9b9f9;border-radius:6px;color:#533afd;background:rgba(83,58,253,.04)}.nav-user{color:#533afd;font-weight:600}.container{max-width:1180px;margin:0 auto;padding:32px 22px 56px}.hero,.card{background:white;border-radius:16px;padding:28px;box-shadow:0 8px 24px rgba(15,23,42,.08);margin-bottom:20px}.compact-card{padding:24px}.btn{display:inline-block;background:#e5e7eb;color:#111827;padding:10px 17px;border-radius:6px;text-decoration:none;border:0;cursor:pointer;font-size:15px;line-height:1.2;font-weight:400;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.btn:hover{transform:translateY(-1px)}.btn.primary{background:#533afd;color:#fff;box-shadow:rgba(50,50,93,.25) 0 20px 34px -24px,rgba(0,0,0,.10) 0 12px 24px -18px}.btn.primary:hover{background:#4434d4;color:#fff}.btn.ghost{background:transparent;color:#533afd;border:1px solid #b9b9f9}.btn.light{background:#fff;color:#061b31;border:1px solid #e5edf5}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.form input,.form select,.form textarea{width:100%;box-sizing:border-box;padding:10px;margin:6px 0 14px;border:1px solid #d1d5db;border-radius:8px}.error{color:#dc2626;margin:10px 0}.ok{color:#16a34a}.muted{color:#6b7280}.list a{text-decoration:none;color:#2563eb}.question-option{display:block;margin:8px 0;padding:10px;background:#f8fafc;border-radius:8px}table{width:100%;border-collapse:collapse;background:white}td,th{padding:10px;border-bottom:1px solid #e5e7eb;text-align:left}.alert{padding:12px 14px;border-radius:10px;margin:0 0 16px}.alert.success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}.alert.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
/* profile-luxe-v2 */
.profile-page{display:block}.profile-hero{display:grid;grid-template-columns:72px 1fr auto;gap:18px;align-items:center;background:linear-gradient(135deg,#1d4ed8,#0f172a);color:#fff;border-radius:20px;padding:28px 32px;margin-bottom:20px;box-shadow:0 14px 34px rgba(15,23,42,.18)}.profile-hero h1{margin:0 0 8px;font-size:28px}.profile-hero p{margin:0;color:#dbeafe}.profile-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:20px;align-items:start}.profile-side .profile-avatar{width:68px;height:68px;border-radius:999px;background:linear-gradient(135deg,#2563eb,#0f172a);color:#fff;display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:700;margin-bottom:16px}.profile-meta{display:grid;gap:10px}.profile-meta div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid #eef2f7;padding-bottom:9px}.profile-form{position:relative;overflow:hidden;padding:34px;border:1px solid rgba(148,163,184,.22);background:radial-gradient(circle at 92% 0%,rgba(37,99,235,.10),transparent 30%),linear-gradient(180deg,rgba(255,255,255,.98),rgba(248,250,252,.96));box-shadow:0 24px 70px rgba(15,23,42,.10),0 1px 0 rgba(255,255,255,.9) inset}.profile-form:before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:linear-gradient(90deg,#60a5fa,#2563eb,#0f172a)}.profile-form .form-section{position:relative;padding:24px;border:1px solid rgba(226,232,240,.95);border-radius:22px;background:rgba(255,255,255,.72);box-shadow:0 14px 36px rgba(15,23,42,.05);backdrop-filter:blur(10px)}.profile-form .form-section+.form-section{margin-top:22px}.profile-form .password-section{background:linear-gradient(135deg,rgba(248,250,252,.88),rgba(239,246,255,.72))}.profile-form .luxe-title{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid rgba(226,232,240,.95)}.profile-form .luxe-title small{display:block;margin-bottom:4px;color:#2563eb;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.profile-form .section-title h3{margin:0;font-size:22px;color:#0f172a;letter-spacing:-.02em}.profile-form .section-title span{color:#64748b;font-size:13px;white-space:nowrap}.profile-form .form-grid{display:grid;gap:18px 20px}.profile-form .form-grid.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-form .form-grid.three-col{grid-template-columns:repeat(3,minmax(0,1fr))}.profile-form .form-grid label{display:block;padding:14px 16px 12px;border:1px solid #e2e8f0;border-radius:16px;background:#fff;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.profile-form .form-grid label:hover{border-color:#bfdbfe;box-shadow:0 12px 26px rgba(37,99,235,.08);transform:translateY(-1px)}.profile-form .form-grid label span{display:flex;align-items:center;gap:8px;margin-bottom:9px;color:#334155;font-size:13px;font-weight:700}.profile-form .form-grid label span:before{content:"";width:7px;height:7px;border-radius:999px;background:linear-gradient(135deg,#60a5fa,#2563eb);box-shadow:0 0 0 4px rgba(37,99,235,.10)}.profile-form input{width:100%;box-sizing:border-box;border:0;outline:none;padding:9px 0 4px;background:transparent;color:#0f172a;font-size:15px}.profile-form input::placeholder{color:#94a3b8}.profile-form .form-grid label:focus-within{border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.10),0 18px 34px rgba(37,99,235,.10)}.profile-form .form-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;margin-top:24px;padding-top:22px;border-top:1px solid rgba(226,232,240,.95)}.profile-form .form-actions .btn{min-width:116px;text-align:center;border-radius:999px;padding:12px 20px;font-weight:700}.profile-form .form-actions .btn.primary{background:linear-gradient(135deg,#2563eb,#1e40af);box-shadow:0 12px 24px rgba(37,99,235,.28)}.profile-form .form-actions .btn:not(.primary){background:#f8fafc;border:1px solid #e2e8f0;color:#334155}
/* portal-home-v1/v2/v3 */
.portal-home-v1{display:block}.portal-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.72fr);gap:34px;align-items:center;min-height:520px;padding:58px 54px;margin:10px 0 44px;border-radius:8px;background:radial-gradient(circle at 9% 8%,rgba(249,107,238,.24),transparent 26%),radial-gradient(circle at 88% 13%,rgba(83,58,253,.22),transparent 28%),linear-gradient(135deg,#fff 0%,#f8fbff 44%,#eef4ff 100%);border:1px solid #e5edf5;box-shadow:rgba(50,50,93,.25) 0 30px 45px -30px,rgba(0,0,0,.1) 0 18px 36px -18px}.portal-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(83,58,253,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(83,58,253,.05) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(90deg,#000,transparent 70%)}.portal-hero>*{position:relative}.portal-kicker{color:#533afd;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}.hero-copy h1{margin:0 0 18px;font-size:54px;line-height:1.05;font-weight:500;letter-spacing:-.05em;color:#061b31}.hero-lead{max-width:760px;color:#64748d;font-size:18px;line-height:1.8}.hero-actions,.task-actions{display:flex;gap:12px;align-items:center;margin-top:24px}.hero-note{margin-top:18px;color:#8a98ad;font-size:14px}.hero-panel,.task-card,.exam-preview-card,.feature-card{background:rgba(255,255,255,.88);border:1px solid #e5edf5;border-radius:8px;box-shadow:rgba(50,50,93,.20) 0 24px 40px -28px,rgba(0,0,0,.08) 0 14px 28px -18px}.hero-panel{padding:24px}.panel-top,.card-title-row{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.panel-top span,.card-title-row span{color:#64748d;font-size:13px}.panel-top b{font-size:12px;background:rgba(83,58,253,.08);border:1px solid #d6d9fc;color:#533afd;border-radius:999px;padding:5px 9px}.panel-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.panel-metrics div{background:#f6f9fc;border:1px solid #e5edf5;border-radius:8px;padding:14px}.panel-metrics strong{display:block;font-size:28px;font-weight:400}.panel-metrics span{display:block;color:#64748d;font-size:12px}.timeline-card{margin-top:16px;background:#fff;border:1px solid #e5edf5;border-radius:8px;padding:14px}.timeline-card small{display:block;color:#64748d;margin-bottom:8px}.timeline-card ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}.timeline-card li{display:grid;grid-template-columns:12px 1fr auto;align-items:center;gap:10px;color:#273951}.timeline-card i{width:8px;height:8px;border-radius:50%;background:#533afd}.timeline-card em{font-style:normal;color:#64748d;font-size:12px}.home-data-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:-6px 0 28px}.data-tile{position:relative;overflow:hidden;background:#fff;border:1px solid #e5edf5;border-radius:8px;padding:18px 20px;box-shadow:rgba(50,50,93,.18) 0 24px 38px -26px,rgba(0,0,0,.08) 0 14px 28px -18px}.data-tile:before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,#533afd,#60a5fa)}.data-tile span{display:block;color:#64748d;font-size:13px}.data-tile strong{display:block;margin:8px 0 4px;color:#061b31;font-size:34px;font-weight:400;font-variant-numeric:tabular-nums}.data-tile em{font-style:normal;color:#8a98ad;font-size:12px}.portal-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.65fr);gap:20px;margin-bottom:40px}.task-card,.exam-preview-card{padding:24px}.task-card h2{margin:0 0 10px;font-size:28px;font-weight:500}.task-card p{color:#64748d;line-height:1.8}.user-stat-row,.guest-stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0}.user-stat-row div,.guest-stat-row div{background:#f6f9fc;border:1px solid #e5edf5;border-radius:8px;padding:12px}.user-stat-row strong,.guest-stat-row strong{display:block;color:#061b31;font-size:22px;font-weight:400;font-variant-numeric:tabular-nums}.user-stat-row span,.guest-stat-row span{display:block;margin-top:3px;color:#64748d;font-size:12px}.exam-preview-list{display:grid;gap:10px}.exam-preview-item{display:flex;justify-content:space-between;gap:12px;padding:12px;border:1px solid #e5edf5;border-radius:8px;background:#f8fbff}.exam-preview-item strong{display:block}.exam-preview-item small{display:block;margin-top:4px;color:#64748d}.exam-preview-item span{align-self:flex-start;background:rgba(83,58,253,.08);border:1px solid #d6d9fc;color:#533afd;border-radius:999px;padding:4px 8px;font-size:12px;white-space:nowrap}.portal-section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin:34px 0 18px}.portal-section-head span{color:#533afd;font-size:12px;font-weight:700}.portal-section-head h2{margin:6px 0 0;font-size:30px;font-weight:500}.portal-section-head p{max-width:440px;color:#64748d}.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.feature-card{display:block;padding:22px;color:#061b31}.feature-card b{color:#533afd}.feature-card h3{margin:10px 0}.feature-card p{color:#64748d;line-height:1.7;min-height:66px}.category-cloud{display:flex;flex-wrap:wrap;gap:12px}.category-cloud a{background:#fff;border:1px solid #e5edf5;border-radius:999px;padding:10px 16px;color:#273951}.portal-home-v3 .admin-entry{background:#061b31;color:#fff;border:1px solid #061b31;box-shadow:rgba(3,3,39,.22) 0 16px 30px -22px}.portal-home-v3 .audit-alert{display:grid;gap:4px;margin-top:18px;padding:14px 16px;border-radius:8px;border:1px solid #e5edf5;background:#fff;box-shadow:rgba(50,50,93,.16) 0 18px 30px -24px,rgba(0,0,0,.08) 0 10px 20px -16px}.portal-home-v3 .audit-alert strong{color:#061b31;font-size:15px;font-weight:600}.portal-home-v3 .audit-alert span{color:#64748d;font-size:13px}.portal-home-v3 .audit-alert.pending{border-color:#fde68a;background:linear-gradient(135deg,#fffbeb,#fff)}.portal-home-v3 .audit-alert.admin{border-color:#d6d9fc;background:linear-gradient(135deg,#f7f7ff,#fff)}.portal-home-v3 .user-task-grid .data-tile:before{background:linear-gradient(90deg,#15be53,#533afd)}
/* knowledge-center-v1 */
.knowledge-center-v1{display:block}.knowledge-center-v1 .knowledge-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.52fr);gap:28px;align-items:center;margin:10px 0 22px;padding:42px;border-radius:10px;background:radial-gradient(circle at 8% 0%,rgba(83,58,253,.18),transparent 28%),radial-gradient(circle at 90% 18%,rgba(96,165,250,.20),transparent 30%),linear-gradient(135deg,#fff,#f5f8ff);border:1px solid #e5edf5;box-shadow:rgba(50,50,93,.22) 0 28px 44px -30px,rgba(0,0,0,.08) 0 18px 34px -22px}.knowledge-center-v1 .eyebrow,.knowledge-article-v1 .eyebrow{display:block;margin-bottom:8px;color:#533afd;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.knowledge-center-v1 .knowledge-hero h1{margin:0 0 14px;color:#061b31;font-size:42px;font-weight:500;letter-spacing:-.04em}.knowledge-center-v1 .knowledge-hero p{max-width:720px;margin:0;color:#64748d;font-size:16px;line-height:1.8}.knowledge-center-v1 .knowledge-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.knowledge-center-v1 .knowledge-stat-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.knowledge-center-v1 .knowledge-stat-panel div{background:rgba(255,255,255,.78);border:1px solid #e5edf5;border-radius:8px;padding:18px;box-shadow:0 16px 34px rgba(0,55,112,.08)}.knowledge-center-v1 .knowledge-stat-panel strong{display:block;color:#061b31;font-size:32px;font-weight:400;font-variant-numeric:tabular-nums}.knowledge-center-v1 .knowledge-stat-panel span{display:block;margin-top:5px;color:#64748d;font-size:13px}.knowledge-center-v1 .knowledge-search-card{display:grid;grid-template-columns:minmax(260px,1fr) 180px 160px auto;gap:14px;align-items:end;margin:0 0 18px;padding:18px;background:#fff;border:1px solid #e5edf5;border-radius:8px;box-shadow:0 18px 38px rgba(0,55,112,.07)}.knowledge-center-v1 .knowledge-search-card label{display:block;margin-bottom:7px;color:#334155;font-size:13px;font-weight:700}.knowledge-center-v1 .knowledge-search-card input,.knowledge-center-v1 .knowledge-search-card select{width:100%;box-sizing:border-box;border:1px solid #dbe5ef;border-radius:6px;background:#f8fbff;padding:11px 12px;color:#061b31}.knowledge-center-v1 .knowledge-category-strip{display:flex;gap:10px;overflow:auto;padding:4px 0 14px;margin-bottom:4px}.knowledge-center-v1 .category-pill{display:flex;align-items:center;gap:8px;white-space:nowrap;border:1px solid #e5edf5;border-radius:999px;background:#fff;color:#273951;padding:9px 13px}.knowledge-center-v1 .category-pill em{font-style:normal;color:#8a98ad;font-size:12px}.knowledge-center-v1 .category-pill.active{border-color:#b9b9f9;background:rgba(83,58,253,.06);color:#533afd}.knowledge-center-v1 .knowledge-filter-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:4px 0 18px}.knowledge-center-v1 .knowledge-filter-tabs a{border:1px solid #e5edf5;background:#fff;color:#273951;border-radius:999px;padding:9px 14px}.knowledge-center-v1 .knowledge-filter-tabs a.active{background:#061b31;color:#fff;border-color:#061b31}.knowledge-center-v1 .knowledge-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}.knowledge-center-v1 .knowledge-list-panel{min-width:0}.knowledge-center-v1 .article-card-grid{display:grid;gap:16px}.knowledge-center-v1 .article-card{background:#fff;border:1px solid #e5edf5;border-radius:10px;padding:22px;box-shadow:rgba(50,50,93,.16) 0 20px 34px -26px,rgba(0,0,0,.08) 0 12px 24px -18px}.knowledge-center-v1 .article-meta-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}.knowledge-center-v1 .tag,.knowledge-article-v1 .tag{display:inline-flex;align-items:center;border-radius:999px;background:rgba(83,58,253,.08);border:1px solid #d6d9fc;color:#533afd;padding:4px 9px;font-size:12px}.knowledge-center-v1 .tag.required,.knowledge-article-v1 .tag.required{background:#fffbeb;border-color:#fde68a;color:#9b6829}.knowledge-center-v1 .read-state{margin-left:auto;border-radius:999px;background:#f1f5f9;color:#64748d;padding:4px 9px;font-size:12px}.knowledge-center-v1 .read-state.done{background:#ecfdf5;color:#047857}.knowledge-center-v1 .article-card h3{margin:0 0 10px;font-size:22px;font-weight:500}.knowledge-center-v1 .article-card h3 a{color:#061b31}.knowledge-center-v1 .article-card p{margin:0 0 16px;color:#64748d;line-height:1.75}.knowledge-center-v1 .article-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:#8a98ad;font-size:13px}.knowledge-center-v1 .article-foot a{margin-left:auto;font-weight:600}.knowledge-center-v1 .pagination-wrap{margin-top:18px}.knowledge-center-v1 .knowledge-empty{background:#fff;border:1px dashed #cbd5e1;border-radius:10px;text-align:center;padding:48px 24px;color:#64748d}.knowledge-center-v1 .knowledge-empty strong{display:block;color:#061b31;font-size:20px;margin-bottom:8px}.knowledge-center-v1 .knowledge-side-panel{display:grid;gap:16px}.knowledge-center-v1 .side-card{background:#fff;border:1px solid #e5edf5;border-radius:10px;padding:20px;box-shadow:rgba(50,50,93,.14) 0 18px 30px -26px,rgba(0,0,0,.08) 0 10px 20px -18px}.knowledge-center-v1 .side-card h3{margin:0 0 14px;color:#061b31}.knowledge-center-v1 .learning-card p{color:#64748d;line-height:1.7}.knowledge-center-v1 .learning-progress-number{display:flex;align-items:end;gap:8px;margin:14px 0}.knowledge-center-v1 .learning-progress-number strong{font-size:38px;font-weight:400}.knowledge-center-v1 .learning-progress-number span{color:#64748d}.knowledge-center-v1 .side-list{display:grid;gap:10px}.knowledge-center-v1 .side-list a{display:block;border-top:1px solid #eef2f7;padding-top:10px;color:#061b31}.knowledge-center-v1 .side-list a:first-child{border-top:0;padding-top:0}.knowledge-center-v1 .side-list span{display:block}.knowledge-center-v1 .side-list em{display:block;margin-top:4px;color:#8a98ad;font-size:12px;font-style:normal}
/* knowledge-article-v1 */
.knowledge-article-v1{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:22px;align-items:start}.knowledge-article-v1 .article-main,.knowledge-article-v1 .article-aside-card{background:#fff;border:1px solid #e5edf5;border-radius:10px;box-shadow:rgba(50,50,93,.16) 0 20px 34px -26px,rgba(0,0,0,.08) 0 12px 24px -18px}.knowledge-article-v1 .article-main{overflow:hidden}.knowledge-article-v1 .article-detail-hero{padding:34px 36px;background:radial-gradient(circle at 92% 0%,rgba(83,58,253,.14),transparent 30%),linear-gradient(135deg,#fff,#f6f9ff);border-bottom:1px solid #e5edf5}.knowledge-article-v1 .article-detail-hero h1{margin:12px 0;font-size:36px;line-height:1.18;font-weight:500;color:#061b31}.knowledge-article-v1 .article-detail-hero p{color:#64748d;line-height:1.8}.knowledge-article-v1 .article-body{padding:34px 36px;color:#273951;line-height:1.9;font-size:16px}.knowledge-article-v1 .article-body img{max-width:100%;height:auto}.knowledge-article-v1 .read-record-card{margin:20px 36px 0;padding:14px 16px;border:1px solid #a7f3d0;background:#ecfdf5;color:#047857;border-radius:8px}.knowledge-article-v1 .article-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 36px 28px}.knowledge-article-v1 .article-nav a{border:1px solid #e5edf5;border-radius:8px;background:#f8fbff;padding:12px;color:#273951}.knowledge-article-v1 .article-aside{display:grid;gap:16px}.knowledge-article-v1 .article-aside-card{padding:20px}.knowledge-article-v1 .article-aside-card h3{margin:0 0 14px}.knowledge-article-v1 .article-aside-card .side-list{display:grid;gap:10px}.knowledge-article-v1 .article-aside-card .side-list a{display:block;border-top:1px solid #eef2f7;padding-top:10px;color:#061b31}.knowledge-article-v1 .article-aside-card .side-list a:first-child{border-top:0;padding-top:0}.knowledge-article-v1 .article-actions{display:grid;gap:10px}.knowledge-article-v1 .back-link{display:inline-block;margin-bottom:14px;color:#64748d}.knowledge-article-v1 .article-meta-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
@media(max-width:1050px){.portal-hero,.knowledge-center-v1 .knowledge-hero{grid-template-columns:1fr}.portal-split,.knowledge-center-v1 .knowledge-layout,.knowledge-article-v1,.profile-layout{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-center-v1 .knowledge-search-card{grid-template-columns:1fr 1fr}.knowledge-center-v1 .knowledge-search-card .search-main{grid-column:1/-1}.knowledge-center-v1 .knowledge-search-card button{grid-column:1/-1}.knowledge-center-v1 .article-foot a{margin-left:0}}
@media(max-width:760px){.topbar{position:relative;padding:14px 18px;align-items:flex-start;flex-direction:column}.topbar nav{justify-content:flex-start;gap:10px}.container{padding:22px 14px 42px}.portal-hero,.knowledge-center-v1 .knowledge-hero{padding:28px 22px;min-height:auto}.hero-copy h1,.knowledge-center-v1 .knowledge-hero h1{font-size:34px}.home-data-grid,.panel-metrics,.feature-grid,.user-stat-row,.guest-stat-row,.knowledge-center-v1 .knowledge-stat-panel,.knowledge-center-v1 .knowledge-search-card,.profile-form .form-grid.two-col,.profile-form .form-grid.three-col{grid-template-columns:1fr}.hero-actions,.task-actions,.knowledge-center-v1 .knowledge-actions{align-items:stretch;flex-direction:column}.hero-actions .btn,.task-actions .btn,.knowledge-center-v1 .knowledge-actions .btn,.knowledge-center-v1 .knowledge-search-card .btn{width:100%;box-sizing:border-box;text-align:center}.portal-section-head{display:block}.knowledge-article-v1 .article-detail-hero,.knowledge-article-v1 .article-body{padding:24px 20px}.knowledge-article-v1 .read-record-card{margin:16px 20px 0}.knowledge-article-v1 .article-nav{grid-template-columns:1fr;margin:0 20px 22px}.profile-hero{grid-template-columns:1fr;padding:22px}.profile-form{padding:22px}.profile-form .form-section{padding:18px;border-radius:18px}.profile-form .luxe-title{display:block}.profile-form .section-title span{display:block;margin-top:6px;white-space:normal}.profile-form .form-actions{justify-content:stretch;flex-direction:column}.profile-form .form-actions .btn{width:100%;box-sizing:border-box}}

/* practice-center-v1 */
.practice-center-v1{display:block}.practice-center-v1 .practice-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.52fr);gap:28px;align-items:center;margin:10px 0 22px;padding:42px;border-radius:10px;background:radial-gradient(circle at 8% 0%,rgba(21,190,83,.16),transparent 28%),radial-gradient(circle at 90% 18%,rgba(83,58,253,.18),transparent 30%),linear-gradient(135deg,#fff,#f5f8ff);border:1px solid #e5edf5;box-shadow:rgba(50,50,93,.22) 0 28px 44px -30px,rgba(0,0,0,.08) 0 18px 34px -22px}.practice-center-v1 .practice-eyebrow{display:block;margin-bottom:8px;color:#15be53;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.practice-center-v1 .practice-hero h1{margin:0 0 14px;color:#061b31;font-size:42px;font-weight:500;letter-spacing:-.04em}.practice-center-v1 .practice-hero p{max-width:720px;margin:0;color:#64748d;font-size:16px;line-height:1.8}.practice-center-v1 .practice-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.practice-center-v1 .practice-stat-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.practice-center-v1 .practice-stat-panel div{background:rgba(255,255,255,.82);border:1px solid #e5edf5;border-radius:8px;padding:18px;box-shadow:0 16px 34px rgba(0,55,112,.08)}.practice-center-v1 .practice-stat-panel strong{display:block;color:#061b31;font-size:30px;font-weight:400;font-variant-numeric:tabular-nums}.practice-center-v1 .practice-stat-panel span{display:block;margin-top:5px;color:#64748d;font-size:13px}.practice-center-v1 .practice-mode-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin:0 0 18px}.practice-center-v1 .mode-card{display:block;min-height:142px;padding:18px;border:1px solid #e5edf5;border-radius:10px;background:#fff;color:#061b31;box-shadow:0 18px 34px rgba(0,55,112,.06);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.practice-center-v1 .mode-card:hover,.practice-center-v1 .mode-card.active{transform:translateY(-2px);border-color:#b9b9f9;box-shadow:0 22px 40px rgba(83,58,253,.12)}.practice-center-v1 .mode-card b{color:#533afd;font-size:12px}.practice-center-v1 .mode-card h3{margin:10px 0 8px;font-size:18px}.practice-center-v1 .mode-card p{margin:0;color:#64748d;font-size:13px;line-height:1.7}.practice-center-v1 .practice-filter-card{display:grid;grid-template-columns:150px minmax(180px,1fr) 150px 150px auto;gap:14px;align-items:end;margin:0 0 20px;padding:18px;background:#fff;border:1px solid #e5edf5;border-radius:10px;box-shadow:0 18px 38px rgba(0,55,112,.07)}.practice-center-v1 .practice-filter-card label{display:block;margin-bottom:7px;color:#334155;font-size:13px;font-weight:700}.practice-center-v1 .practice-filter-card select{width:100%;box-sizing:border-box;border:1px solid #dbe5ef;border-radius:6px;background:#f8fbff;padding:11px 12px;color:#061b31}.practice-center-v1 .practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}.practice-center-v1 .practice-main-panel,.practice-center-v1 .practice-side-card,.practice-center-v1 .practice-question-card,.practice-center-v1 .practice-empty{background:#fff;border:1px solid #e5edf5;border-radius:10px;box-shadow:rgba(50,50,93,.16) 0 20px 34px -26px,rgba(0,0,0,.08) 0 12px 24px -18px}.practice-center-v1 .practice-main-panel{display:grid;gap:16px;background:transparent;border:0;box-shadow:none}.practice-center-v1 .practice-question-card{padding:28px}.practice-center-v1 .question-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.practice-center-v1 .question-head>div{display:flex;flex-wrap:wrap;gap:8px}.practice-center-v1 .question-head em{font-style:normal;color:#64748d}.practice-center-v1 .practice-tag{display:inline-flex;align-items:center;border:1px solid #d6d9fc;background:#f7f7ff;color:#533afd;border-radius:999px;padding:5px 10px;font-size:12px}.practice-center-v1 .practice-tag.soft{border-color:#bbf7d0;background:#f0fdf4;color:#15803d}.practice-center-v1 .practice-question-card h2{margin:0 0 16px;color:#061b31;font-size:24px;line-height:1.45}.practice-center-v1 .question-tip{margin:0 0 14px;color:#64748d}.practice-center-v1 .practice-option-list{display:grid;gap:12px;margin:18px 0 22px}.practice-center-v1 .practice-option-list label{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border:1px solid #e5edf5;border-radius:10px;background:#f8fbff;cursor:pointer;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}.practice-center-v1 .practice-option-list label:hover{border-color:#b9b9f9;background:#fff;box-shadow:0 14px 26px rgba(83,58,253,.08)}.practice-center-v1 .practice-option-list input{margin-top:5px}.practice-center-v1 .practice-option-list span{display:flex;gap:10px;color:#273951;line-height:1.6}.practice-center-v1 .practice-option-list b{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;border-radius:999px;background:#533afd;color:#fff;font-size:13px}.practice-center-v1 .practice-submit-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.practice-center-v1 .practice-result-panel{padding:18px 20px;border-radius:10px;border:1px solid #e5edf5;background:#fff}.practice-center-v1 .practice-result-panel strong{display:block;margin-bottom:6px;font-size:18px}.practice-center-v1 .practice-result-panel span,.practice-center-v1 .practice-result-panel p{color:#334155}.practice-center-v1 .practice-result-panel.success{border-color:#a7f3d0;background:#ecfdf5}.practice-center-v1 .practice-result-panel.success strong{color:#047857}.practice-center-v1 .practice-result-panel.error{border-color:#fecaca;background:#fef2f2}.practice-center-v1 .practice-result-panel.error strong{color:#b91c1c}.practice-center-v1 .practice-empty{padding:34px;text-align:center}.practice-center-v1 .practice-empty strong{display:block;color:#061b31;font-size:22px}.practice-center-v1 .practice-empty p{color:#64748d}.practice-center-v1 .practice-side-panel{display:grid;gap:16px}.practice-center-v1 .practice-side-card{padding:20px}.practice-center-v1 .practice-side-card h3{margin:0 0 14px;color:#061b31}.practice-center-v1 .practice-mini-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:14px}.practice-center-v1 .practice-mini-stats.two{grid-template-columns:repeat(2,minmax(0,1fr))}.practice-center-v1 .practice-mini-stats div{padding:12px;border-radius:8px;background:#f6f9fc;border:1px solid #e5edf5}.practice-center-v1 .practice-mini-stats strong{display:block;color:#061b31;font-size:22px;font-weight:400}.practice-center-v1 .practice-mini-stats span{color:#64748d;font-size:12px}.practice-center-v1 .practice-type-list{display:grid;gap:10px}.practice-center-v1 .practice-type-list div{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;padding:10px 0;border-top:1px solid #eef2f7}.practice-center-v1 .practice-type-list div:first-child{border-top:0}.practice-center-v1 .practice-type-list span{color:#273951}.practice-center-v1 .practice-type-list b{color:#533afd}.practice-center-v1 .practice-type-list em{font-style:normal;color:#8a98ad;font-size:12px}.practice-center-v1 .practice-shortcuts{display:grid;gap:10px}.practice-center-v1 .practice-shortcuts h3{margin-bottom:4px}.practice-center-v1 .practice-shortcuts a{display:block;padding:10px 12px;border:1px solid #e5edf5;border-radius:8px;background:#f8fbff;color:#273951}.practice-center-v1 .practice-shortcuts a:hover{border-color:#b9b9f9;color:#533afd;background:#fff}
@media(max-width:1050px){.practice-center-v1 .practice-hero,.practice-center-v1 .practice-layout{grid-template-columns:1fr}.practice-center-v1 .practice-mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.practice-center-v1 .practice-filter-card{grid-template-columns:1fr 1fr}.practice-center-v1 .practice-filter-card button{grid-column:1/-1}}
@media(max-width:760px){.practice-center-v1 .practice-hero{padding:28px 22px}.practice-center-v1 .practice-hero h1{font-size:34px}.practice-center-v1 .practice-stat-panel,.practice-center-v1 .practice-mode-grid,.practice-center-v1 .practice-filter-card,.practice-center-v1 .practice-mini-stats{grid-template-columns:1fr}.practice-center-v1 .practice-actions,.practice-center-v1 .practice-submit-row{align-items:stretch;flex-direction:column}.practice-center-v1 .practice-actions .btn,.practice-center-v1 .practice-submit-row .btn,.practice-center-v1 .practice-filter-card .btn{width:100%;box-sizing:border-box;text-align:center}.practice-center-v1 .practice-question-card{padding:22px}.practice-center-v1 .question-head{align-items:flex-start;flex-direction:column}}

/* wrong-center-v1 */
.wrong-center-v1{display:block}.wrong-center-v1 .wrong-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.62fr);gap:28px;align-items:center;margin:10px 0 20px;padding:42px;border-radius:10px;background:radial-gradient(circle at 8% 0%,rgba(239,68,68,.14),transparent 28%),radial-gradient(circle at 88% 18%,rgba(83,58,253,.18),transparent 30%),linear-gradient(135deg,#fff,#f8fbff);border:1px solid #e5edf5;box-shadow:rgba(50,50,93,.22) 0 28px 44px -30px,rgba(0,0,0,.08) 0 18px 34px -22px}.wrong-center-v1 .eyebrow{display:block;margin-bottom:8px;color:#ef4444;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.wrong-center-v1 .wrong-hero h1{margin:0 0 14px;color:#061b31;font-size:42px;font-weight:500;letter-spacing:-.04em}.wrong-center-v1 .wrong-hero p{max-width:740px;margin:0;color:#64748d;font-size:16px;line-height:1.8}.wrong-center-v1 .wrong-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.wrong-center-v1 .wrong-stat-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.wrong-center-v1 .wrong-stat-panel div{background:rgba(255,255,255,.84);border:1px solid #e5edf5;border-radius:8px;padding:18px;box-shadow:0 16px 34px rgba(0,55,112,.08)}.wrong-center-v1 .wrong-stat-panel strong{display:block;color:#061b31;font-size:30px;font-weight:400;font-variant-numeric:tabular-nums}.wrong-center-v1 .wrong-stat-panel span{display:block;margin-top:5px;color:#64748d;font-size:13px}.wrong-center-v1 .wrong-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 16px}.wrong-center-v1 .wrong-tabs a{display:flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid #e5edf5;border-radius:999px;background:#fff;color:#273951;box-shadow:0 12px 24px rgba(0,55,112,.05)}.wrong-center-v1 .wrong-tabs a.active{border-color:#c7d2fe;background:#eef2ff;color:#533afd}.wrong-center-v1 .wrong-tabs b{font-weight:600;color:inherit}.wrong-center-v1 .wrong-filter-card{display:grid;grid-template-columns:minmax(220px,1fr) 180px 150px 140px 150px 160px auto;gap:12px;align-items:end;margin:0 0 18px;padding:18px;background:#fff;border:1px solid #e5edf5;border-radius:10px;box-shadow:0 18px 38px rgba(0,55,112,.07)}.wrong-center-v1 .wrong-filter-card label{display:block}.wrong-center-v1 .wrong-filter-card span{display:block;margin-bottom:7px;color:#334155;font-size:13px;font-weight:700}.wrong-center-v1 .wrong-filter-card input,.wrong-center-v1 .wrong-filter-card select{width:100%;box-sizing:border-box;height:42px;border:1px solid #dbe4ef;border-radius:8px;padding:0 11px;background:#fff;color:#061b31}.wrong-center-v1 .wrong-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:18px;align-items:start}.wrong-center-v1 .wrong-main{display:grid;gap:14px}.wrong-center-v1 .wrong-card{position:relative;overflow:hidden;background:#fff;border:1px solid #e5edf5;border-radius:12px;padding:22px;box-shadow:rgba(50,50,93,.16) 0 20px 34px -26px,rgba(0,0,0,.08) 0 12px 24px -18px}.wrong-center-v1 .wrong-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:#ef4444}.wrong-center-v1 .wrong-card.strengthening:before{background:#f59e0b}.wrong-center-v1 .wrong-card.mastered:before{background:#10b981}.wrong-center-v1 .wrong-card-head{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:12px}.wrong-center-v1 .wrong-tags{display:flex;flex-wrap:wrap;gap:8px}.wrong-center-v1 .wrong-tags span{padding:5px 9px;border-radius:999px;background:#f6f9fc;border:1px solid #e5edf5;color:#64748d;font-size:12px}.wrong-center-v1 .wrong-card-head em{font-style:normal;border-radius:999px;background:#fff1f2;color:#e11d48;border:1px solid #fecdd3;padding:6px 10px;font-size:12px}.wrong-center-v1 .wrong-card.strengthening .wrong-card-head em{background:#fffbeb;color:#b45309;border-color:#fde68a}.wrong-center-v1 .wrong-card.mastered .wrong-card-head em{background:#ecfdf5;color:#047857;border-color:#a7f3d0}.wrong-center-v1 .wrong-card h2{margin:0 0 16px;font-size:20px;line-height:1.55;color:#061b31}.wrong-center-v1 .wrong-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:14px}.wrong-center-v1 .wrong-metrics div{background:#f8fbff;border:1px solid #e5edf5;border-radius:8px;padding:12px}.wrong-center-v1 .wrong-metrics b{display:block;color:#061b31;font-size:18px;font-weight:600}.wrong-center-v1 .wrong-metrics span{display:block;margin-top:4px;color:#64748d;font-size:12px}.wrong-center-v1 .wrong-answer-grid{display:grid;grid-template-columns:180px minmax(0,1fr);gap:12px;margin-bottom:16px}.wrong-center-v1 .wrong-answer-grid>div{background:#fff;border:1px solid #eef2f7;border-radius:8px;padding:13px}.wrong-center-v1 .wrong-answer-grid span{display:block;color:#64748d;font-size:12px;margin-bottom:7px}.wrong-center-v1 .wrong-answer-grid strong{font-size:18px;color:#533afd}.wrong-center-v1 .wrong-answer-grid p{margin:0;color:#334155;line-height:1.75}.wrong-center-v1 .wrong-card-actions{display:flex;gap:10px;flex-wrap:wrap}.wrong-center-v1 .wrong-side{display:grid;gap:14px}.wrong-center-v1 .wrong-side-card,.wrong-center-v1 .wrong-empty{background:#fff;border:1px solid #e5edf5;border-radius:12px;padding:20px;box-shadow:rgba(50,50,93,.14) 0 18px 30px -24px,rgba(0,0,0,.08) 0 10px 22px -18px}.wrong-center-v1 .wrong-side-card h3{margin:0 0 12px;color:#061b31}.wrong-center-v1 .review-plan{background:linear-gradient(135deg,#fff,#f5f8ff)}.wrong-center-v1 .review-plan p{color:#64748d;line-height:1.8}.wrong-center-v1 .weak-list,.wrong-center-v1 .quick-links{display:grid;gap:10px}.wrong-center-v1 .weak-list a,.wrong-center-v1 .quick-links a{display:block;border:1px solid #eef2f7;background:#f8fbff;border-radius:8px;padding:11px;color:#061b31}.wrong-center-v1 .weak-list span{display:block;font-weight:600}.wrong-center-v1 .weak-list em{display:block;margin-top:4px;color:#64748d;font-size:12px;font-style:normal}.wrong-center-v1 .wrong-empty{text-align:center;padding:46px 24px}.wrong-center-v1 .wrong-empty strong{display:block;font-size:22px;margin-bottom:10px}.wrong-center-v1 .wrong-empty p{color:#64748d}.wrong-center-v1 .wrong-empty div{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}.wrong-center-v1 .pager{margin-top:4px}.wrong-center-v1 .empty-row{margin:0;color:#64748d}
@media(max-width:1120px){.wrong-center-v1 .wrong-hero,.wrong-center-v1 .wrong-layout{grid-template-columns:1fr}.wrong-center-v1 .wrong-filter-card{grid-template-columns:1fr 1fr}.wrong-center-v1 .wrong-filter-card button{grid-column:1/-1}}
@media(max-width:760px){.wrong-center-v1 .wrong-hero{padding:28px 22px}.wrong-center-v1 .wrong-hero h1{font-size:34px}.wrong-center-v1 .wrong-stat-panel,.wrong-center-v1 .wrong-filter-card,.wrong-center-v1 .wrong-metrics,.wrong-center-v1 .wrong-answer-grid{grid-template-columns:1fr}.wrong-center-v1 .wrong-hero-actions,.wrong-center-v1 .wrong-card-actions{align-items:stretch;flex-direction:column}.wrong-center-v1 .wrong-hero-actions .btn,.wrong-center-v1 .wrong-card-actions .btn,.wrong-center-v1 .wrong-filter-card .btn{width:100%;box-sizing:border-box;text-align:center}.wrong-center-v1 .wrong-card-head{align-items:flex-start;flex-direction:column}}

/* exam-center-v1 */
.exam-center-v1{display:block}.exam-center-v1 .exam-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.52fr);gap:28px;align-items:center;margin:10px 0 22px;padding:42px;border-radius:10px;background:linear-gradient(135deg,#fff,#f6f8ff);border:1px solid #e5edf5;box-shadow:rgba(50,50,93,.22) 0 28px 44px -30px,rgba(0,0,0,.08) 0 18px 34px -22px}.exam-center-v1 .exam-eyebrow{display:block;margin-bottom:8px;color:#f59e0b;font-size:12px;font-weight:800;letter-spacing:.14em}.exam-center-v1 .exam-hero h1{margin:0 0 14px;color:#061b31;font-size:42px;font-weight:500;letter-spacing:-.04em}.exam-center-v1 .exam-hero p{max-width:720px;margin:0;color:#64748d;font-size:16px;line-height:1.8}.exam-center-v1 .exam-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.exam-center-v1 .exam-stat-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.exam-center-v1 .exam-stat-panel div{background:rgba(255,255,255,.84);border:1px solid #e5edf5;border-radius:8px;padding:18px;box-shadow:0 16px 34px rgba(0,55,112,.08)}.exam-center-v1 .exam-stat-panel strong{display:block;color:#061b31;font-size:30px;font-weight:400}.exam-center-v1 .exam-stat-panel span{display:block;margin-top:5px;color:#64748d;font-size:13px}.exam-center-v1 .exam-status-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 16px}.exam-center-v1 .exam-status-tabs a{display:flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid #e5edf5;border-radius:999px;background:#fff;color:#273951;box-shadow:0 10px 26px rgba(0,55,112,.05)}.exam-center-v1 .exam-status-tabs a.active{border-color:#f59e0b;background:#fffbeb;color:#92400e}.exam-center-v1 .exam-filter-card{display:grid;grid-template-columns:minmax(260px,1fr) 170px 190px auto;gap:14px;align-items:end;margin:0 0 18px;padding:18px;background:#fff;border:1px solid #e5edf5;border-radius:8px;box-shadow:0 18px 38px rgba(0,55,112,.07)}.exam-center-v1 .exam-filter-card span{display:block;margin-bottom:7px;color:#334155;font-size:13px;font-weight:700}.exam-center-v1 .exam-filter-card input,.exam-center-v1 .exam-filter-card select{width:100%;box-sizing:border-box;height:42px;border:1px solid #dbe5ef;border-radius:7px;background:#f8fbff;padding:0 12px;color:#061b31}.exam-center-v1 .exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}.exam-center-v1 .exam-main-list{display:grid;gap:16px}.exam-center-v1 .exam-card{overflow:hidden;background:#fff;border:1px solid #e5edf5;border-radius:12px;box-shadow:rgba(50,50,93,.18) 0 20px 34px -28px,rgba(0,0,0,.08) 0 12px 24px -18px}.exam-center-v1 .exam-card.running{border-color:#a7f3d0}.exam-center-v1 .exam-card.finished{opacity:.82}.exam-center-v1 .exam-card-top{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:18px;padding:24px 24px 18px;background:linear-gradient(135deg,#fff,#f8fbff);border-bottom:1px solid #eef2f7}.exam-center-v1 .exam-card h2{margin:8px 0 10px;color:#061b31;font-size:24px;font-weight:500}.exam-center-v1 .exam-card p{margin:0;color:#64748d;line-height:1.75}.exam-center-v1 .exam-state{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:800}.exam-center-v1 .exam-state.running{background:#ecfdf5;color:#047857}.exam-center-v1 .exam-state.upcoming{background:#eff6ff;color:#1d4ed8}.exam-center-v1 .exam-state.finished{background:#f1f5f9;color:#64748b}.exam-center-v1 .exam-score-box{text-align:center;align-self:start;background:#061b31;color:#fff;border-radius:10px;padding:15px 10px}.exam-center-v1 .exam-score-box strong{display:block;font-size:30px;font-weight:500}.exam-center-v1 .exam-score-box span{display:block;margin-top:4px;color:#cbd5e1;font-size:12px}.exam-center-v1 .exam-meta-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:#eef2f7;border-bottom:1px solid #eef2f7}.exam-center-v1 .exam-meta-grid div{background:#fff;padding:14px 16px}.exam-center-v1 .exam-meta-grid span{display:block;margin-bottom:5px;color:#94a3b8;font-size:12px}.exam-center-v1 .exam-meta-grid strong{display:block;color:#273951;font-size:14px;font-weight:700}.exam-center-v1 .exam-card-foot{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 24px}.exam-center-v1 .exam-policy{display:flex;flex-wrap:wrap;gap:8px}.exam-center-v1 .exam-policy span{padding:6px 9px;border-radius:999px;background:#f8fafc;border:1px solid #e5edf5;color:#64748d;font-size:12px}.exam-center-v1 .exam-card-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.exam-center-v1 .exam-disabled{display:inline-block;padding:10px 14px;border-radius:6px;background:#f1f5f9;color:#94a3b8}.exam-center-v1 .exam-side{display:grid;gap:16px}.exam-center-v1 .exam-side-card{background:#fff;border:1px solid #e5edf5;border-radius:10px;padding:20px;box-shadow:rgba(50,50,93,.14) 0 18px 30px -26px,rgba(0,0,0,.06) 0 10px 22px -18px}.exam-center-v1 .exam-side-card h3{margin:0 0 14px;color:#061b31}.exam-center-v1 .exam-tips{margin:0;padding-left:18px;color:#64748d;line-height:1.8}.exam-center-v1 .recent-paper-list,.exam-center-v1 .exam-side-card.shortcut{display:grid;gap:10px}.exam-center-v1 .recent-paper-list a,.exam-center-v1 .exam-side-card.shortcut a{display:block;padding:11px 12px;border:1px solid #e5edf5;border-radius:8px;background:#f8fbff;color:#061b31}.exam-center-v1 .recent-paper-list strong{display:block;margin-bottom:4px}.exam-center-v1 .recent-paper-list span{display:block;color:#64748d;font-size:12px}.exam-center-v1 .exam-empty{padding:34px;background:#fff;border:1px dashed #cbd5e1;border-radius:10px;text-align:center}.exam-center-v1 .exam-empty strong{display:block;margin-bottom:8px;font-size:22px}.exam-center-v1 .exam-empty p{color:#64748d}.exam-center-v1 .exam-empty .btn{margin:6px}.exam-center-v1 .exam-pagination{margin-top:8px}
@media(max-width:1050px){.exam-center-v1 .exam-hero,.exam-center-v1 .exam-layout{grid-template-columns:1fr}.exam-center-v1 .exam-filter-card{grid-template-columns:1fr 1fr}.exam-center-v1 .exam-filter-card .filter-keyword,.exam-center-v1 .exam-filter-card button{grid-column:1/-1}.exam-center-v1 .exam-meta-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.exam-center-v1 .exam-hero{padding:28px 22px}.exam-center-v1 .exam-hero h1{font-size:34px}.exam-center-v1 .exam-stat-panel,.exam-center-v1 .exam-filter-card,.exam-center-v1 .exam-card-top,.exam-center-v1 .exam-meta-grid{grid-template-columns:1fr}.exam-center-v1 .exam-actions,.exam-center-v1 .exam-card-foot,.exam-center-v1 .exam-card-actions{align-items:stretch;flex-direction:column}.exam-center-v1 .exam-actions .btn,.exam-center-v1 .exam-card-actions .btn,.exam-center-v1 .exam-filter-card .btn{width:100%;box-sizing:border-box;text-align:center}.exam-center-v1 .exam-card-foot{display:flex}.exam-center-v1 .exam-score-box{text-align:left}}
/* score-center-v1 */
.score-center-v1{display:block}.score-center-v1 .score-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.52fr);gap:28px;align-items:center;margin:10px 0 22px;padding:42px;border-radius:10px;background:radial-gradient(circle at 8% 0%,rgba(245,158,11,.18),transparent 28%),radial-gradient(circle at 90% 18%,rgba(83,58,253,.18),transparent 30%),linear-gradient(135deg,#fff,#f7f9ff);border:1px solid #e5edf5;box-shadow:rgba(50,50,93,.22) 0 28px 44px -30px}.score-center-v1 .score-eyebrow{display:block;margin-bottom:8px;color:#d97706;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.score-center-v1 .score-hero h1{margin:0 0 14px;color:#061b31;font-size:42px;font-weight:500;letter-spacing:-.04em}.score-center-v1 .score-hero p{max-width:720px;margin:0;color:#64748d;font-size:16px;line-height:1.8}.score-center-v1 .score-actions,.score-center-v1 .score-card-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.score-center-v1 .score-stat-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.score-center-v1 .score-stat-panel div{background:rgba(255,255,255,.84);border:1px solid #e5edf5;border-radius:8px;padding:18px}.score-center-v1 .score-stat-panel strong{display:block;color:#061b31;font-size:30px;font-weight:400}.score-center-v1 .score-stat-panel span{display:block;margin-top:5px;color:#64748d;font-size:13px}.score-center-v1 .score-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 18px}.score-center-v1 .score-tabs a{display:flex;align-items:center;gap:8px;padding:11px 15px;border:1px solid #e5edf5;border-radius:999px;background:#fff;color:#273951}.score-center-v1 .score-tabs a.active{background:#061b31;color:#fff;border-color:#061b31}.score-center-v1 .score-filter-card{display:grid;grid-template-columns:minmax(260px,1fr) 180px 180px auto;gap:14px;align-items:end;margin:0 0 18px;padding:18px;background:#fff;border:1px solid #e5edf5;border-radius:8px}.score-center-v1 .score-filter-card label span{display:block;margin-bottom:7px;color:#334155;font-size:13px;font-weight:700}.score-center-v1 .score-filter-card input,.score-center-v1 .score-filter-card select{width:100%;box-sizing:border-box;height:42px;border:1px solid #d8e1ec;border-radius:8px;background:#f8fbff;padding:0 12px}.score-center-v1 .score-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}.score-center-v1 .score-main,.score-center-v1 .score-side,.score-center-v1 .score-summary-list,.score-center-v1 .score-quick-links{display:grid;gap:16px}.score-center-v1 .score-card{position:relative;overflow:hidden;background:#fff;border:1px solid #e5edf5;border-radius:12px;padding:24px;box-shadow:rgba(50,50,93,.16) 0 20px 34px -26px}.score-center-v1 .score-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:#94a3b8}.score-center-v1 .score-card.passed:before{background:#16a34a}.score-center-v1 .score-card.failed:before{background:#ef4444}.score-center-v1 .score-card.doing:before{background:#2563eb}.score-center-v1 .score-card-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.score-center-v1 .score-card h2{margin:10px 0 8px;color:#061b31;font-size:24px}.score-center-v1 .score-card p{margin:0;color:#64748d}.score-center-v1 .score-status{display:inline-flex;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}.score-center-v1 .score-status.passed{background:#dcfce7;color:#15803d}.score-center-v1 .score-status.failed{background:#fee2e2;color:#b91c1c}.score-center-v1 .score-status.doing{background:#dbeafe;color:#1d4ed8}.score-center-v1 .score-number{text-align:right}.score-center-v1 .score-number strong{display:block;font-size:42px;line-height:1;color:#061b31;font-weight:500}.score-center-v1 .score-number span{display:block;margin-top:6px;color:#64748d}.score-center-v1 .score-progress{height:8px;margin:18px 0;background:#edf2f7;border-radius:999px;overflow:hidden}.score-center-v1 .score-progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#f59e0b,#16a34a)}.score-center-v1 .score-meta-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.score-center-v1 .score-meta-grid div{padding:13px;border:1px solid #eef2f7;border-radius:8px;background:#f8fbff}.score-center-v1 .score-meta-grid span{display:block;color:#64748d;font-size:12px}.score-center-v1 .score-meta-grid strong{display:block;margin-top:5px;color:#061b31;font-size:14px}.score-center-v1 .score-side-card{padding:20px;background:#fff;border:1px solid #e5edf5;border-radius:10px}.score-center-v1 .score-side-card.highlight{background:linear-gradient(135deg,#fff7ed,#fff)}.score-center-v1 .score-side-card h3{margin:0 0 14px;color:#061b31}.score-center-v1 .score-mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.score-center-v1 .score-mini-stats div{border:1px solid #fed7aa;border-radius:8px;background:#fff;padding:13px}.score-center-v1 .score-mini-stats strong{display:block;font-size:24px;font-weight:500;color:#061b31}.score-center-v1 .score-mini-stats span,.score-center-v1 .score-summary-list span{color:#64748d;font-size:12px}.score-center-v1 .score-summary-list a,.score-center-v1 .score-quick-links a{display:block;padding:11px 12px;border:1px solid #eef2f7;border-radius:8px;background:#f8fbff;color:#273951}.score-center-v1 .score-summary-list strong{display:block;color:#061b31}.score-center-v1 .score-empty{padding:34px;background:#fff;border:1px dashed #cbd5e1;border-radius:12px;text-align:center}.score-center-v1 .score-empty strong{display:block;font-size:22px;color:#061b31}.score-center-v1 .score-empty p{color:#64748d}.score-center-v1 .score-empty .btn{margin:6px}
@media(max-width:1050px){.score-center-v1 .score-hero,.score-center-v1 .score-layout{grid-template-columns:1fr}.score-center-v1 .score-filter-card{grid-template-columns:1fr 1fr}.score-center-v1 .score-filter-card .filter-keyword,.score-center-v1 .score-filter-card button{grid-column:1/-1}}
@media(max-width:760px){.score-center-v1 .score-hero{padding:28px 22px}.score-center-v1 .score-hero h1{font-size:34px}.score-center-v1 .score-stat-panel,.score-center-v1 .score-filter-card,.score-center-v1 .score-meta-grid,.score-center-v1 .score-mini-stats{grid-template-columns:1fr}.score-center-v1 .score-actions,.score-center-v1 .score-card-head,.score-center-v1 .score-card-actions{align-items:stretch;flex-direction:column}.score-center-v1 .score-actions .btn,.score-center-v1 .score-card-actions .btn,.score-center-v1 .score-filter-card .btn{width:100%;box-sizing:border-box;text-align:center}.score-center-v1 .score-number{text-align:left}}

/* site-footer-v1 */
.site-footer{margin:10px auto 0;padding:0 22px 30px;max-width:1180px;color:#64748d}
.site-footer-inner{display:flex;align-items:center;justify-content:center;min-height:54px;padding:16px 22px;border:1px solid #e5edf5;border-radius:10px;background:rgba(255,255,255,.72);box-shadow:0 12px 30px rgba(0,55,112,.05);font-size:13px;text-align:center}
@media(max-width:760px){.site-footer{padding:0 14px 24px}.site-footer-inner{font-size:12px;line-height:1.7}}




/* practice-pc-clickfix-v1 */
.portal-hero:before{pointer-events:none}
.practice-center-v1,.practice-center-v1 .practice-hero,.practice-center-v1 .practice-layout,.practice-center-v1 .practice-mode-grid,.practice-center-v1 .practice-filter-card,.practice-center-v1 .practice-question-card{position:relative;z-index:1}
.practice-center-v1 a,.practice-center-v1 button,.practice-center-v1 input,.practice-center-v1 select,.practice-center-v1 label,.practice-center-v1 .btn,.practice-center-v1 .mode-card{position:relative;z-index:5;pointer-events:auto}
.practice-center-v1 .practice-actions,.practice-center-v1 .practice-submit-row,.practice-center-v1 .practice-option-list{position:relative;z-index:6}
.topbar a,.topbar button,.topbar nav{position:relative;z-index:30;pointer-events:auto}


/* mobile-main-first-v1: exam/practice/wrong primary content immediately below nav on mobile */
@media(max-width:760px){
  .practice-center-v1,.wrong-center-v1,.exam-center-v1{display:flex;flex-direction:column}
  .practice-center-v1 .practice-layout,.wrong-center-v1 .wrong-layout,.exam-center-v1 .exam-layout{display:contents}
  .practice-center-v1 .practice-main-panel,.wrong-center-v1 .wrong-main,.exam-center-v1 .exam-main-list{order:1;margin-bottom:16px}
  .practice-center-v1 .practice-hero,.wrong-center-v1 .wrong-hero,.exam-center-v1 .exam-hero{order:2;margin-top:0}
  .practice-center-v1 .practice-mode-grid,.wrong-center-v1 .wrong-tabs,.exam-center-v1 .exam-status-tabs{order:3}
  .practice-center-v1 .practice-filter-card,.wrong-center-v1 .wrong-filter-card,.exam-center-v1 .exam-filter-card{order:4}
  .practice-center-v1 .practice-side-panel,.wrong-center-v1 .wrong-side,.exam-center-v1 .exam-side{order:5}
  .practice-center-v1 .practice-question-card,.wrong-center-v1 .wrong-card,.exam-center-v1 .exam-card{margin-top:0}
  .practice-center-v1 .practice-result-panel{order:0}
}

/* homepage-mobile-priority-v1.03 | mobile quick access restored, description text removed */
.mobile-priority-module{display:none;pointer-events:none}
@media(max-width:760px){
  .portal-home-v1.portal-home-v2.portal-home-v3{display:flex;flex-direction:column}
  .portal-hero{order:1;margin-bottom:14px}
  .mobile-priority-module{order:2;display:block;pointer-events:auto;margin:0 0 18px;padding:20px;border:1px solid #dbeafe;border-radius:14px;background:linear-gradient(135deg,#ffffff,#eef6ff);box-shadow:0 16px 34px rgba(37,99,235,.10)}
  .home-data-grid{order:3}
  .personalized-split{order:4}
  .portal-section-head{order:5}
  .feature-grid{order:6}
  .portal-section-head.compact{order:7}
  .category-cloud{order:8}
  .mobile-priority-head span{display:block;margin-bottom:6px;color:#2563eb;font-size:12px;font-weight:800;letter-spacing:.12em}
  .mobile-priority-head h2{margin:0 0 16px;color:#061b31;font-size:26px;letter-spacing:-.03em}
  .mobile-priority-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .mobile-priority-card{display:block;min-height:104px;padding:14px;border:1px solid #e5edf5;border-radius:12px;background:#fff;color:#061b31;box-shadow:0 10px 24px rgba(15,23,42,.06)}
  .mobile-priority-card b{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;margin-bottom:10px;border-radius:9px;background:#eff6ff;color:#2563eb;font-size:15px}
  .mobile-priority-card strong{display:block;margin-bottom:5px;font-size:16px}
  .mobile-priority-card small{display:block;color:#64748d;font-size:12px;line-height:1.45}
  .mobile-priority-card.practice b{background:#dcfce7;color:#16a34a}
  .mobile-priority-card.exam b{background:#fef3c7;color:#d97706}
  .mobile-priority-card.wrong b{background:#fee2e2;color:#dc2626}
  .mobile-priority-card.score b{background:#ede9fe;color:#533afd}
}
@media(max-width:420px){.mobile-priority-grid{grid-template-columns:1fr}.mobile-priority-card{min-height:auto}}



/* paper-wizard-v1 | 单题翻页考试 */
.paper-wizard-v1{max-width:980px;margin:0 auto 42px}.paper-top-card{display:flex;justify-content:space-between;gap:18px;align-items:center;margin:10px 0 18px;padding:28px 32px;border-radius:22px;background:linear-gradient(135deg,#1d4ed8,#0f172a);color:#fff;box-shadow:0 18px 42px rgba(15,23,42,.18)}.paper-eyebrow{display:inline-block;margin-bottom:8px;font-size:12px;letter-spacing:.16em;opacity:.8}.paper-top-card h2{margin:0 0 8px;font-size:30px}.paper-top-card p{margin:0;color:rgba(255,255,255,.82)}.paper-progress-box{min-width:128px;text-align:center;padding:18px;border-radius:18px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22)}.paper-progress-box strong{display:block;font-size:30px}.paper-progress-box span{font-size:13px;color:rgba(255,255,255,.78)}.paper-progress-line{height:10px;margin:0 0 18px;border-radius:999px;background:#e5edf5;overflow:hidden}.paper-progress-line i{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,#2563eb,#22c55e);transition:width .25s ease}.paper-question-card{display:none;padding:32px;margin-bottom:18px;border-radius:22px;background:#fff;border:1px solid #e5edf5;box-shadow:0 14px 36px rgba(15,23,42,.08)}.paper-question-card.active{display:block}.paper-question-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px}.paper-question-no{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-weight:700}.paper-question-score{color:#64748b;font-size:14px}.paper-question-card h3{margin:0 0 22px;font-size:22px;line-height:1.55;color:#0f172a}.paper-option-list{display:grid;gap:12px}.paper-option{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border:1px solid #e5edf5;border-radius:16px;background:#f8fafc;cursor:pointer;transition:.18s ease}.paper-option:hover{border-color:#bfdbfe;background:#eff6ff}.paper-option input{margin-top:4px;transform:scale(1.18)}.paper-option:has(input:checked){border-color:#2563eb;background:#dbeafe;box-shadow:0 8px 20px rgba(37,99,235,.12)}.paper-option span{line-height:1.55}.paper-nav-card{position:sticky;bottom:14px;padding:18px;border-radius:20px;background:rgba(255,255,255,.94);border:1px solid #e5edf5;box-shadow:0 16px 42px rgba(15,23,42,.13);backdrop-filter:blur(12px)}.paper-nav-title{font-weight:700;margin-bottom:12px}.paper-answer-grid{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.paper-answer-dot{width:38px;height:38px;border-radius:12px;border:1px solid #cbd5e1;background:#fff;color:#334155;font-weight:700;cursor:pointer}.paper-answer-dot.current{border-color:#2563eb;background:#2563eb;color:#fff}.paper-answer-dot.answered{border-color:#16a34a;background:#dcfce7;color:#166534}.paper-answer-dot.current.answered{background:#2563eb;color:#fff}.paper-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.paper-actions .btn{display:inline-flex;align-items:center;justify-content:center}.paper-actions button:disabled{opacity:.45;cursor:not-allowed}.paper-submit{display:none}.paper-hint{margin:12px 0 0}@media(max-width:760px){.paper-top-card{align-items:flex-start;flex-direction:column;padding:24px 20px}.paper-top-card h2{font-size:24px}.paper-progress-box{width:100%;box-sizing:border-box}.paper-question-card{padding:22px 18px}.paper-question-card h3{font-size:18px}.paper-nav-card{bottom:8px}.paper-answer-dot{width:34px;height:34px;border-radius:10px}.paper-actions .btn{flex:1;min-width:120px}}