:root{--ink:#151b2d;--ink-2:#2d3852;--paper:#fbfaf7;--surface:#fff;--wash:#f3f5f8;--line:#dde3ea;--muted:#6b7688;--brand:#276ef1;--brand-dark:#1b4fb6;--brand-soft:#eaf1ff;--green:#11845b;--green-soft:#e8f7ef;--red:#cc3d4c;--amber:#a96513;--amber-soft:#fff3df;--shadow:0 14px 34px rgba(30,43,67,.08);--shadow-lg:0 28px 65px rgba(21,27,45,.16);--radius:18px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}a{color:inherit;text-decoration:none}.hidden{display:none!important}
.shell{min-height:100vh;padding-bottom:56px}.topbar{position:sticky;top:0;z-index:30;background:rgba(251,250,247,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(221,227,234,.9)}.topbar-inner{height:68px;max-width:var(--max);margin:auto;padding:0 24px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:850;font-size:18px;letter-spacing:-.5px}.brand-mark{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;color:#fff;background:var(--ink);font-size:10px;font-weight:900;letter-spacing:-.8px}.nav{display:flex;align-items:center;gap:2px;flex:1}.nav a{position:relative;padding:9px 12px;font-size:14px;color:#5d687a;transition:color .15s}.nav a:after{content:"";position:absolute;right:12px;bottom:3px;left:12px;height:2px;transform:scaleX(0);background:var(--ink);transition:transform .15s}.nav a:hover,.nav a.active{color:var(--ink);font-weight:700}.nav a.active:after{transform:scaleX(1)}.nav-actions{display:flex;align-items:center;gap:10px}.ghost,.primary,.soft,.danger{border:0;border-radius:10px;padding:10px 15px;font-weight:750;transition:transform .15s,box-shadow .15s,background .15s}.ghost{background:transparent;color:#465166;border:1px solid var(--line)}.ghost:hover{border-color:#bec8d5;background:#fff}.primary{background:var(--ink);color:#fff;box-shadow:0 5px 12px rgba(21,27,45,.18)}.primary:hover{background:#293149;transform:translateY(-1px);box-shadow:0 8px 16px rgba(21,27,45,.22)}.soft{background:var(--brand-soft);color:var(--brand-dark)}.soft:hover{background:#dce9ff}.danger{background:#fff0f1;color:var(--red)}.small{padding:8px 12px;font-size:13px}.container{max-width:var(--max);margin:auto;padding:42px 24px 68px}
.hero{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(260px,.65fr);gap:0;overflow:hidden;margin-bottom:54px;border-radius:24px;box-shadow:var(--shadow-lg)}.hero-main{position:relative;overflow:hidden;min-height:360px;padding:50px;background:linear-gradient(135deg,#151b2d 0%,#1d2942 55%,#263d68 100%);color:#fff}.hero-main:before{content:"";position:absolute;width:520px;height:520px;right:-260px;top:-175px;border:1px solid rgba(255,255,255,.14);border-radius:50%;box-shadow:0 0 0 48px rgba(255,255,255,.035),0 0 0 97px rgba(255,255,255,.025)}.hero-main>*{position:relative}.eyebrow,.section-kicker,.side-label{font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.eyebrow{color:#a8c4ff}.hero h1{max-width:700px;margin:18px 0 14px;font-family:Georgia,"Songti SC","STSong",serif;font-size:46px;line-height:1.16;letter-spacing:-1.6px}.hero p{max-width:590px;margin:0 0 29px;color:#c7d0e1;font-size:15px;line-height:1.85}.hero-actions{display:flex;align-items:center;gap:21px}.hero .primary{background:#fff;color:var(--ink);box-shadow:none;padding:12px 17px}.hero .primary:hover{background:#eaf1ff}.hero-link{font-size:14px;font-weight:700;color:#e4ebf8}.hero-link:hover{text-decoration:underline;text-underline-offset:4px}.hero-side{display:flex;flex-direction:column;padding:32px 28px;background:#e9f1ff}.hero-side .side-label,.practice-panel .side-label{color:#4978bf}.hero-stat{margin:40px 0 22px}.metric{font-family:Georgia,"Songti SC",serif;font-size:58px;line-height:.94;font-weight:700;letter-spacing:-2px;color:var(--ink)}.metric-caption{margin-top:9px;color:#576780;font-size:13px;font-weight:700}.mini-progress{height:5px;overflow:hidden;border-radius:99px;background:#c7d8f1}.mini-progress span{display:block;height:100%;border-radius:99px;background:var(--brand)}.hero-side-bottom{display:grid;gap:5px;margin-top:auto;padding-top:26px;border-top:1px solid #c6d7ed}.hero-side-bottom strong{font-size:15px}.hero-side-bottom span{font-size:12px;color:#63738b}.tiny{font-size:12px;color:var(--muted)}
.section{margin-top:47px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:18px}.section-head h2{margin:7px 0 0;font-size:27px;letter-spacing:-.9px}.section-head p{margin:7px 0 0;color:var(--muted);font-size:14px}.section-kicker{color:#69809f}.text-link{display:inline-flex;gap:7px;align-items:center;color:var(--brand-dark);font-size:14px;font-weight:750}.text-link span{transition:transform .15s}.text-link:hover span{transform:translateX(3px)}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.category-card,.bank-card,.panel,.stat-card{background:var(--surface);border:1px solid var(--line)}.category-card{position:relative;min-height:184px;padding:19px;border-radius:var(--radius);transition:transform .17s,border .17s,box-shadow .17s}.category-card:hover,.bank-card:hover{z-index:1;transform:translateY(-3px);border-color:#b6c1d1;box-shadow:var(--shadow)}.category-icon{width:42px;height:42px;display:grid;place-items:center;margin-bottom:16px;border-radius:12px;background:var(--wash);font-size:20px}.category-card h3{margin:0 0 7px;font-size:15px;letter-spacing:-.2px}.category-card p{min-height:40px;margin:0;color:var(--muted);font-size:12px;line-height:1.6}.category-meta{display:flex;justify-content:space-between;margin-top:13px;padding-top:12px;border-top:1px solid var(--line);color:#778398;font-size:11px}
.bank-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.bank-card{display:flex;min-height:210px;flex-direction:column;padding:20px;border-radius:var(--radius);transition:transform .17s,border .17s,box-shadow .17s}.bank-top{display:flex;justify-content:space-between;gap:14px}.bank-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:12px;background:var(--wash);font-size:21px}.tag{display:inline-flex;align-items:center;width:max-content;height:max-content;padding:5px 8px;border-radius:6px;background:#f1f3f6;color:#667286;font-size:11px;font-weight:750}.tag.green{background:var(--green-soft);color:var(--green)}.tag.amber{background:var(--amber-soft);color:var(--amber)}.bank-card h3{margin:23px 0 7px;font-size:17px;line-height:1.35;letter-spacing:-.3px}.bank-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}.bank-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:18px;color:#778398;font-size:12px}.pill{padding:4px 7px;border:1px solid var(--line);border-radius:5px;background:#fff;font-size:11px}.page-title{margin-bottom:29px}.page-title h1{margin:7px 0 8px;font-size:34px;letter-spacing:-1.15px}.page-title p{margin:0;color:var(--muted);line-height:1.7}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.filter-chip{border:1px solid var(--line);background:#fff;border-radius:7px;padding:8px 11px;color:#667085;font-size:13px}.filter-chip:hover{border-color:#aebaca}.filter-chip.active{border-color:var(--ink);background:var(--ink);color:#fff}.search{width:min(420px,100%);border:1px solid var(--line);background:#fff;border-radius:10px;padding:12px 14px;outline:none}.search:focus{border-color:#91b4f5;box-shadow:0 0 0 3px var(--brand-soft)}
.bank-detail{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:16px}.panel{border-radius:var(--radius);padding:24px;box-shadow:0 6px 18px rgba(30,43,67,.035)}.bank-hero{display:flex;gap:18px;align-items:flex-start;padding-bottom:24px;border-bottom:1px solid var(--line)}.bank-hero .big-icon{width:66px;height:66px;display:grid;place-items:center;flex:none;border-radius:16px;background:var(--wash);font-size:31px}.bank-hero h1{margin:9px 0 8px;font-size:28px;letter-spacing:-.9px}.bank-hero p{margin:0;color:var(--muted);line-height:1.7}.chapter-list{display:grid;gap:8px;margin-top:19px}.chapter-row{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:11px;padding:14px 15px;background:#fff;transition:border .15s}.chapter-row:hover{border-color:#b7c4d5}.chapter-row strong{font-size:14px}.chapter-row span{font-size:12px;color:var(--muted)}.practice-panel{align-self:start;background:#f5f8fd}.practice-panel h3{margin:10px 0 20px;font-size:20px}.practice-actions{display:grid;gap:9px}.practice-actions button{width:100%;padding:12px}.side-note{margin-top:17px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;line-height:1.7;color:var(--muted)}.side-note strong{color:var(--ink)}
.quiz-layout{display:grid;grid-template-columns:minmax(0,1fr) 252px;gap:16px}.quiz-card{min-height:600px;padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 6px 18px rgba(30,43,67,.035)}.quiz-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid var(--line)}.quiz-index{color:var(--muted);font-size:13px}.quiz-stem{font-family:Georgia,"Songti SC","STSong",serif;font-size:20px;line-height:1.9;font-weight:650;white-space:pre-wrap}.question-images{display:grid;gap:10px;margin:20px 0}.question-images img{max-width:100%;border:1px solid var(--line);border-radius:10px}.options{display:grid;gap:10px;margin:29px 0}.option{width:100%;display:flex;align-items:flex-start;gap:13px;border:1px solid var(--line);border-radius:11px;padding:15px;background:#fff;text-align:left;line-height:1.65;transition:border .15s,background .15s}.option:hover{border-color:#96b9fa;background:#f9fbff}.option.selected{border-color:var(--brand);background:#f5f8ff}.option.correct{border-color:#6cc9a2;background:#f0faf5}.option.wrong{border-color:#efa9b1;background:#fff5f6}.letter{width:27px;height:27px;display:grid;place-items:center;flex:none;border:1px solid #dce2ea;border-radius:50%;background:#fff;color:#546174;font-size:12px;font-weight:850}.selected .letter{border-color:var(--brand);background:var(--brand);color:#fff}.correct .letter{border-color:var(--green);background:var(--green);color:#fff}.wrong .letter{border-color:var(--red);background:var(--red);color:#fff}.quiz-actions{display:flex;justify-content:space-between;gap:10px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}.explanation{margin-top:19px;padding:17px 18px;border-left:3px solid var(--brand);background:#f6f8fc;color:#4f5c70;font-size:14px;line-height:1.8}.explanation strong{display:block;margin-bottom:6px;color:var(--ink)}.answer-card{max-height:600px;overflow:auto;padding:20px}.number-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-top:15px}.qnum{aspect-ratio:1;border:1px solid transparent;border-radius:7px;background:#f1f3f6;color:#667085;font-size:12px}.qnum:hover{border-color:#b1c1d7}.qnum.current{background:var(--ink);color:#fff}.qnum.answered{box-shadow:inset 0 0 0 1.5px var(--green)}.qnum.locked{opacity:.34}.quiz-tools{display:flex;gap:7px;flex-wrap:wrap}.quiz-tools button{border:1px solid var(--line);border-radius:7px;background:#fff;padding:7px 9px;color:#667085;font-size:12px}.quiz-tools button:hover{border-color:#b8c4d3}
.auth-empty,.empty{padding:54px 22px;text-align:center}.empty .emoji,.auth-empty .emoji{font-size:36px}.empty h3,.auth-empty h3{margin:12px 0 7px;font-size:21px}.empty p,.auth-empty p{max-width:480px;margin:0 auto 19px;color:var(--muted);line-height:1.75}.unlock-panel{max-width:650px;margin:30px auto;background:#f5f8fd}.unlock-panel .eyebrow{color:#4a79bf}.list{display:grid;gap:8px}.list-row{display:flex;align-items:center;justify-content:space-between;gap:15px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:15px 17px;transition:border .15s}.list-row:hover{border-color:#b8c4d3}.list-row .main{min-width:0}.list-row .main strong{display:block;margin-bottom:5px}.list-row .main p{margin:0;overflow:hidden;color:var(--muted);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.profile-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.stat-card{padding:18px;border-radius:12px}.stat-card .value{margin:8px 0 2px;font-family:Georgia,"Songti SC",serif;font-size:32px;font-weight:700;letter-spacing:-1px}.stat-card .label{color:var(--muted);font-size:12px}.account-card{display:flex;align-items:center;gap:16px}.avatar{width:56px;height:56px;display:grid;place-items:center;border-radius:14px;background:var(--ink);color:#fff;font-size:19px;font-weight:900}.account-card h2{margin:7px 0 5px}.account-card p{margin:0;color:var(--muted);font-size:13px}
.membership-page{max-width:1020px}.membership-page .page-title{text-align:center;margin-bottom:26px}.membership-page .page-title p{max-width:460px;margin:auto}.pay-methods{display:flex;justify-content:center;gap:7px;flex-wrap:wrap;margin:15px 0 18px}.pay-method{border:1px solid var(--line);border-radius:7px;background:#fff;padding:7px 10px;font-size:12px}.pay-method.active{border-color:var(--ink);background:var(--ink);color:#fff}.current-plan{display:flex;justify-content:space-between;align-items:center;margin:0 auto 18px;max-width:600px;padding:14px 18px}.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.plan{position:relative;min-height:267px;padding:20px;border:1px solid var(--line);border-radius:14px;background:#fff}.plan.recommended{border:2px solid var(--ink);padding:19px;box-shadow:var(--shadow)}.plan .badge{position:absolute;right:13px;top:13px;border-radius:5px;background:var(--ink);color:#fff;font-size:11px;font-weight:800;padding:5px 7px}.plan-order{color:#a8b2c0;font-size:11px;font-weight:800;letter-spacing:.12em}.plan h3{margin:22px 0 13px;font-size:17px}.price{font-family:Georgia,"Songti SC",serif;font-size:37px;font-weight:700;letter-spacing:-1px}.price small{font-family:inherit;font-size:15px}.original{margin-left:4px;color:#98a3b1;font-size:12px;text-decoration:line-through}.plan p{min-height:40px;margin:10px 0 18px;color:var(--muted);font-size:12px;line-height:1.65}.purchase-note{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-top:19px;color:#8792a1;font-size:12px}.purchase-note a{color:#526981}.purchase-note a:hover{text-decoration:underline;text-underline-offset:3px}.purchase-note i{font-style:normal;color:#c1c7cf}
.modal-backdrop{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:rgba(16,23,36,.48);backdrop-filter:blur(5px)}.modal{width:min(440px,100%);padding:26px;border-radius:16px;background:#fff;box-shadow:var(--shadow-lg)}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-head h2{margin:0;font-size:21px}.close{width:32px;height:32px;border:0;border-radius:7px;background:var(--wash);color:#566175}.form-group{margin-bottom:14px}.form-group label{display:block;margin-bottom:7px;font-size:13px;font-weight:750}.form-group input,.form-group textarea,.form-group select{width:100%;border:1px solid var(--line);border-radius:9px;padding:12px 13px;outline:none}.form-group input:focus,.form-group textarea:focus{border-color:#8aaff1;box-shadow:0 0 0 3px var(--brand-soft)}.code-row{display:grid;grid-template-columns:1fr 120px;gap:8px}.modal .primary{width:100%;padding:13px}.form-tip{margin-top:12px;color:var(--muted);font-size:12px;line-height:1.65}.toast{position:fixed;z-index:200;left:50%;bottom:92px;transform:translateX(-50%);border-radius:8px;background:var(--ink);color:#fff;padding:11px 15px;box-shadow:var(--shadow);font-size:13px;animation:toastin .2s ease}.toast.error{background:#9a2e3b}@keyframes toastin{from{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}
.footer{max-width:var(--max);margin:0 auto;padding:27px 24px 38px;border-top:1px solid var(--line);color:#748094;font-size:12px;text-align:center}.footer-brand{color:#4a5669;font-weight:700}.footer-brand span{padding:0 5px;color:#a5afbc}.footer-links{display:flex;justify-content:center;gap:16px;margin-top:12px}.footer-links a:hover{color:var(--brand-dark)}.footer-record{margin-top:8px;color:#98a1ae}.mobile-nav{display:none}.skeleton{background:linear-gradient(90deg,#f0f2f5 25%,#f8f9fb 37%,#f0f2f5 63%);background-size:400% 100%;animation:shine 1.4s infinite;border-radius:12px}@keyframes shine{0%{background-position:100% 0}100%{background-position:0 0}}
.legal-card{max-width:820px;margin:auto;padding:42px;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--shadow)}.legal-card h1{margin:7px 0;font-size:34px;letter-spacing:-1px}.legal-card h2{margin:32px 0 10px;font-size:18px}.legal-card p{color:#4b5870;line-height:1.9;white-space:pre-wrap}.legal-kicker{margin:0;color:var(--brand)!important;font-size:11px;font-weight:800;letter-spacing:.15em}.legal-updated{margin:0;color:var(--muted)!important;font-size:13px}.legal-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}.legal-consent{display:flex!important;align-items:flex-start;gap:8px;margin:12px 0!important;color:var(--muted)!important;font-size:12px!important;line-height:1.55}.legal-consent input{width:auto!important;margin:3px 0 0!important}.legal-consent a,.legal-notice a{color:var(--brand-dark);font-weight:700}.legal-notice{margin-top:18px;border:1px solid #d9e4f7;border-radius:10px;background:#f5f8fd;padding:13px 15px;color:#667085;font-size:12px;line-height:1.7}
@media(max-width:960px){.hero{grid-template-columns:1fr}.hero-side{display:none}.category-grid{grid-template-columns:repeat(2,1fr)}.bank-grid{grid-template-columns:repeat(2,1fr)}.bank-detail,.quiz-layout{grid-template-columns:1fr}.answer-card{max-height:none}.plans{grid-template-columns:repeat(2,1fr)}.profile-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.shell{padding-bottom:82px}.topbar-inner{height:60px;padding:0 15px;gap:13px}.brand{font-size:17px}.brand-mark{width:29px;height:29px}.nav{display:none}.nav-actions{margin-left:auto}.nav-actions .ghost{display:none}.container{padding:24px 14px 48px}.hero{margin-bottom:40px;border-radius:17px}.hero-main{min-height:323px;padding:31px 23px}.hero h1{margin:15px 0 13px;font-size:36px;letter-spacing:-1.2px}.hero p{margin-bottom:23px;font-size:13px;line-height:1.75}.hero-actions{gap:16px}.section{margin-top:36px}.section-head{align-items:flex-start;margin-bottom:14px}.section-head h2{font-size:23px}.section-head p{font-size:13px}.section-kicker{font-size:10px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.category-card{min-height:166px;padding:14px;border-radius:13px}.category-icon{width:37px;height:37px;margin-bottom:13px;font-size:18px}.category-card p{font-size:11px}.category-meta{font-size:10px}.bank-grid{grid-template-columns:1fr;gap:9px}.bank-card{min-height:185px;padding:17px;border-radius:13px}.bank-card h3{margin-top:18px}.page-title{margin-bottom:21px}.page-title h1{font-size:28px}.bank-detail{display:block}.bank-detail>.panel{margin-bottom:11px}.panel{padding:19px;border-radius:14px}.bank-hero{gap:13px;padding-bottom:19px}.bank-hero .big-icon{width:54px;height:54px;font-size:26px}.bank-hero h1{font-size:23px}.quiz-card{min-height:540px;padding:20px 16px;border-radius:14px}.quiz-meta{margin-bottom:22px}.quiz-stem{font-size:18px;line-height:1.85}.option{padding:13px}.quiz-actions{position:sticky;bottom:68px;margin-right:-16px;margin-left:-16px;padding:13px 16px;background:#fff;box-shadow:0 -8px 15px rgba(255,255,255,.92)}.answer-card{display:none}.profile-grid{grid-template-columns:repeat(2,1fr)}.plans{grid-template-columns:1fr}.plan{min-height:235px}.modal{padding:22px;border-radius:14px}.mobile-nav{position:fixed;right:0;bottom:0;left:0;z-index:40;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);background:rgba(255,255,255,.95);backdrop-filter:blur(16px);padding:8px 8px calc(8px + env(safe-area-inset-bottom))}.mobile-nav a{padding:3px;text-align:center;color:#7a8497;font-size:10px}.mobile-nav .ico{display:block;margin-bottom:1px;font-size:19px;line-height:23px}.mobile-nav a.active{color:var(--ink);font-weight:800}.footer{padding:25px 14px 90px}.footer-links{gap:14px}.legal-card{padding:26px 20px;border-radius:14px}.legal-card h1{font-size:29px}}

/* UI UX Pro Max — adult certification study system */
:root{--ink:#f8fafc;--ink-2:#e2e8f0;--paper:#0f172a;--surface:#192134;--wash:#10242e;--line:rgba(255,255,255,.09);--muted:#94a3b8;--brand:#22c55e;--brand-dark:#4ade80;--brand-soft:rgba(34,197,94,.12);--green:#4ade80;--green-soft:rgba(34,197,94,.12);--red:#fb7185;--amber:#f59e0b;--amber-soft:rgba(245,158,11,.13);--shadow:0 14px 34px rgba(0,0,0,.18);--shadow-lg:0 28px 70px rgba(0,0,0,.32)}
html{background:var(--paper)}body{min-width:320px;overflow-x:hidden;background:radial-gradient(circle at 12% -5%,rgba(34,197,94,.08),transparent 28%),var(--paper);color:var(--ink);font-size:16px}a,button,input,textarea,select{outline-offset:3px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--brand)}
button,a{touch-action:manipulation}.close{width:44px;height:44px}
.ui-icon{width:22px;height:22px;display:block}.topbar{background:rgba(15,23,42,.88);border-color:var(--line)}.brand-mark{background:var(--brand);color:#052e16;box-shadow:0 0 0 5px rgba(34,197,94,.08)}.nav a{color:#94a3b8}.nav a:hover,.nav a.active{color:#fff}.nav a:after{background:var(--brand)}.ghost{color:#cbd5e1;border-color:rgba(255,255,255,.13)}.ghost:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.05)}.primary{background:var(--brand);color:#052e16;box-shadow:0 7px 18px rgba(34,197,94,.18)}.primary:hover{background:#4ade80;box-shadow:0 10px 24px rgba(34,197,94,.24)}.soft{background:var(--brand-soft);color:#86efac}.soft:hover{background:rgba(34,197,94,.19)}
.hero{border:1px solid var(--line);background:var(--surface);box-shadow:0 26px 70px rgba(0,0,0,.3)}.hero-main{background:linear-gradient(135deg,#192134 0%,#101c2f 65%,#10242e 100%)}.hero-main:before{border-color:rgba(34,197,94,.18);box-shadow:0 0 0 48px rgba(34,197,94,.035),0 0 0 97px rgba(34,197,94,.02)}.eyebrow{color:#4ade80}.hero h1{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-weight:800;letter-spacing:-2px}.hero p{color:#aebbd0}.hero .primary{background:var(--brand);color:#052e16}.hero .primary:hover{background:#4ade80}.hero-link{color:#dbeafe}.hero-side{background:#22c55e;color:#052e16}.hero-side .side-label{color:#14532d}.metric{color:#052e16}.metric-caption{color:#14532d}.mini-progress{background:rgba(5,46,22,.18)}.mini-progress span{background:#052e16}.hero-side-bottom{border-color:rgba(5,46,22,.22)}.hero-side-bottom span{color:#166534}.section-kicker{color:#4ade80}.section-head p,.page-title p{color:var(--muted)}.text-link{color:#4ade80}
.category-card,.bank-card,.panel,.stat-card,.quiz-card,.plan,.list-row{background:rgba(25,33,52,.9);border-color:var(--line);box-shadow:none}.category-card:hover,.bank-card:hover,.list-row:hover{border-color:rgba(74,222,128,.45);box-shadow:0 16px 36px rgba(0,0,0,.2)}.category-icon,.bank-icon,.bank-hero .big-icon{background:var(--brand-soft);color:#4ade80}.category-icon .ui-icon,.bank-icon .ui-icon{width:21px;height:21px}.big-icon .ui-icon{width:30px;height:30px}.category-card p,.bank-card p,.bank-footer,.category-meta{color:#94a3b8}.category-meta,.bank-hero,.quiz-meta,.quiz-actions,.side-note,.footer{border-color:var(--line)}.tag{background:rgba(148,163,184,.11);color:#cbd5e1}.tag.green{background:var(--green-soft);color:#86efac}.tag.amber{background:var(--amber-soft);color:#fbbf24}.pill{border-color:var(--line);background:rgba(255,255,255,.03);color:#cbd5e1}.filter-chip,.search{border-color:var(--line);background:var(--surface);color:#cbd5e1}.filter-chip:hover{border-color:rgba(74,222,128,.45)}.filter-chip.active{border-color:var(--brand);background:var(--brand);color:#052e16}.practice-panel,.unlock-panel{background:var(--wash)}.practice-panel .side-label{color:#4ade80}.chapter-row{border-color:var(--line);background:rgba(255,255,255,.025)}.chapter-row:hover{border-color:rgba(74,222,128,.45)}.side-note{color:#94a3b8}.side-note strong{color:#f8fafc}
.quiz-stem{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-weight:600}.option{border-color:var(--line);background:rgba(255,255,255,.025);color:#e5e7eb}.option:hover{border-color:rgba(74,222,128,.55);background:rgba(34,197,94,.055)}.option.selected{border-color:var(--brand);background:rgba(34,197,94,.1)}.option.correct{border-color:#22c55e;background:rgba(34,197,94,.12)}.option.wrong{border-color:#fb7185;background:rgba(251,113,133,.1)}.letter{border-color:rgba(255,255,255,.15);background:rgba(255,255,255,.04);color:#cbd5e1}.selected .letter,.correct .letter{border-color:var(--brand);background:var(--brand);color:#052e16}.explanation{border-color:var(--brand);background:rgba(34,197,94,.075);color:#cbd5e1}.explanation strong{color:#fff}.qnum{background:rgba(255,255,255,.055);color:#cbd5e1}.qnum.current{background:var(--brand);color:#052e16}.quiz-tools button{border-color:var(--line);background:rgba(255,255,255,.035);color:#cbd5e1}
.stat-card .value{color:#4ade80}.avatar{background:var(--brand);color:#052e16}.account-card p,.list-row .main p,.tiny{color:#94a3b8}.plan.recommended{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand),0 18px 40px rgba(0,0,0,.22)}.plan .badge{background:var(--brand);color:#052e16}.plan-order{color:#64748b}.price{color:#fff}.original{color:#64748b}.plan p,.purchase-note{color:#94a3b8}.purchase-note a{color:#86efac}.pay-method{border-color:var(--line);background:var(--surface);color:#cbd5e1}.pay-method.active{border-color:var(--brand);background:var(--brand);color:#052e16}
.modal{background:#192134;border:1px solid var(--line)}.close{background:rgba(255,255,255,.06);color:#cbd5e1}.form-group input,.form-group textarea,.form-group select{border-color:var(--line);background:#0f172a;color:#f8fafc}.form-group input::placeholder,.form-group textarea::placeholder{color:#64748b}.form-tip{color:#94a3b8}.footer{color:#94a3b8}.footer-brand{color:#cbd5e1}.footer-record{color:#64748b}.legal-card{background:var(--surface);border-color:var(--line)}.legal-card p{color:#cbd5e1}.legal-kicker,.legal-consent a,.legal-notice a{color:#4ade80!important}.legal-notice{border-color:var(--line);background:var(--wash);color:#cbd5e1}
.native-pay-modal{text-align:center}.native-pay-modal .modal-head{text-align:left}.native-pay-qr{display:block;width:248px;height:248px;margin:8px auto 16px;padding:10px;border-radius:14px;background:#fff}.native-pay-hint{margin:0 0 6px;color:#f8fafc;font-weight:750}.native-pay-status{margin:0 0 18px;color:#94a3b8;font-size:12px;line-height:1.65}.native-pay-cancel{width:100%}
.password-row{display:grid;grid-template-columns:minmax(0,1fr) 66px;gap:8px}.password-toggle,.captcha-refresh{min-height:44px;border:1px solid var(--line);border-radius:9px;background:#10242e;color:#86efac;font-weight:700}.password-toggle:hover,.captcha-refresh:hover{border-color:rgba(74,222,128,.45)}.captcha-row{display:grid;grid-template-columns:minmax(0,1fr) 168px;gap:8px}.captcha-refresh{overflow:hidden;padding:0}.captcha-refresh img{display:block;width:100%;height:54px;object-fit:cover}.form-error{min-height:22px;margin:-3px 0 5px;color:#fda4af;font-size:12px;line-height:1.6}.close .ui-icon{width:18px;height:18px;margin:auto}
.toast{background:#111827;color:#f8fafc;border:1px solid rgba(255,255,255,.14);box-shadow:0 16px 34px rgba(0,0,0,.38)}.toast.error{background:#7f1d1d;color:#fff}
@media(max-width:700px){.hero-main{min-height:350px}.hero h1{font-size:35px}.category-card p{font-size:12px}.category-meta{font-size:11px}.quiz-actions{background:#192134;box-shadow:0 -10px 22px rgba(25,33,52,.96)}.mobile-nav{border-color:var(--line);background:rgba(15,23,42,.96)}.mobile-nav a{min-height:48px;color:#64748b}.mobile-nav a.active{color:#4ade80}.mobile-nav .ico{display:flex;justify-content:center}.mobile-nav .ui-icon{width:20px;height:20px}.captcha-row{grid-template-columns:minmax(0,1fr) 140px}.captcha-refresh img{height:52px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}