/* roulang page: index */
:root{
      --brand:#356fe8;
      --brand-dark:#2457c7;
      --brand-soft:#eaf1ff;
      --cyan:#27a7bb;
      --coral:#ed7869;
      --ink:#17233a;
      --text:#43516a;
      --muted:#71809a;
      --line:#dfe7f3;
      --bg:#f7f9fc;
      --paper:#ffffff;
      --shadow:0 14px 35px rgba(30,58,105,.09);
      --shadow-hover:0 20px 42px rgba(30,58,105,.15);
      --radius:22px;
      --radius-sm:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      line-height:1.65;-webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    ::selection{background:#cfe0ff;color:var(--ink)}
    .site-shell{overflow:hidden}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .skip-link{position:absolute;left:-999px;top:10px;background:var(--ink);color:#fff;padding:9px 14px;border-radius:10px;z-index:100}
    .skip-link:focus{left:18px}
    .topbar{
      padding:14px 0 0;position:sticky;top:0;z-index:50;
      background:linear-gradient(to bottom,rgba(247,249,252,.97),rgba(247,249,252,.72),transparent);
      backdrop-filter:blur(10px);
    }
    .nav-frame{
      display:flex;align-items:center;justify-content:space-between;gap:20px;
      min-height:66px;padding:10px 13px 10px 18px;background:rgba(255,255,255,.94);
      border:1px solid rgba(218,228,243,.95);border-radius:18px;box-shadow:0 9px 24px rgba(29,55,97,.07);
    }
    .brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:16px;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{
      width:32px;height:32px;display:grid;place-items:center;color:#fff;background:var(--brand);
      border-radius:11px;box-shadow:0 5px 12px rgba(53,111,232,.28)
    }
    .brand-mark svg{width:16px;height:16px;margin-left:2px}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-link{font-size:14px;font-weight:700;color:var(--muted);padding:9px 13px;border-radius:10px;transition:.2s ease}
    .nav-link:hover,.nav-link.active{background:var(--brand-soft);color:var(--brand)}
    .nav-side{display:flex;align-items:center;gap:10px}
    .status-dot{display:inline-flex;align-items:center;gap:6px;color:#4f6483;font-size:12px;font-weight:700;white-space:nowrap}
    .status-dot i{width:7px;height:7px;border-radius:50%;background:#36af88;box-shadow:0 0 0 4px #e5f7f0}
    .btn{
      min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;
      border-radius:12px;padding:10px 16px;font-weight:800;font-size:14px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,.nav-link:focus-visible,.filter-chip:focus-visible,.faq-button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(53,111,232,.28);outline-offset:3px}
    .btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(53,111,232,.23)}
    .btn-primary:hover{background:var(--brand-dark);box-shadow:0 11px 22px rgba(53,111,232,.3)}
    .btn-secondary{background:#fff;color:var(--brand);border-color:#cbdafa}
    .btn-secondary:hover{border-color:var(--brand);background:var(--brand-soft)}
    .mobile-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink)}
    .mobile-menu{display:none;margin-top:8px;padding:9px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
    .mobile-menu.open{display:grid}
    .mobile-menu a{padding:11px 12px;border-radius:10px;font-weight:700;color:var(--text)}
    .mobile-menu a:hover{background:var(--brand-soft);color:var(--brand)}
    .hero{padding:58px 0 82px;position:relative}
    .hero:before{content:"";position:absolute;width:480px;height:480px;right:-180px;top:-80px;border-radius:50%;background:radial-gradient(circle,rgba(211,226,255,.82),rgba(247,249,252,0) 68%);pointer-events:none}
    .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:42px;align-items:center;position:relative}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;background:#fff;border:1px solid #dce7fa;border-radius:999px;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.04em}
    .eyebrow b{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    h1,h2,h3,p{margin-top:0}
    h1{margin:18px 0 18px;color:var(--ink);font-size:clamp(38px,5vw,59px);line-height:1.16;letter-spacing:-.06em;font-weight:850}
    .hero-copy{max-width:650px;font-size:16px;line-height:1.9;color:#52617a}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:23px}
    .soft-tag{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border-radius:10px;background:#fff;border:1px solid var(--line);color:#66758d;font-size:12px;font-weight:700}
    .soft-tag strong{color:var(--ink)}
    .compare-panel{padding:16px;background:#eaf1ff;border:1px solid #d4e1fb;border-radius:27px;box-shadow:var(--shadow)}
    .compare-head{display:flex;align-items:center;justify-content:space-between;padding:4px 5px 13px}
    .compare-head span{font-size:12px;color:#637492;font-weight:800}
    .compare-head b{font-size:13px;color:var(--brand)}
    .choice-card{position:relative;display:grid;grid-template-columns:64px 1fr auto;gap:14px;align-items:center;padding:15px;margin-top:10px;border:1px solid #d6e0ef;border-radius:18px;background:#fff;transition:.2s ease}
    .choice-card:hover{transform:translateX(3px);border-color:#a9c5fb}
    .choice-card.recommended{border:2px solid var(--brand);box-shadow:0 10px 20px rgba(53,111,232,.14)}
    .recommend-label{position:absolute;right:12px;top:-11px;background:var(--brand);color:#fff;border-radius:999px;padding:3px 9px;font-size:11px;font-weight:800}
    .cover{
      position:relative;overflow:hidden;display:flex;align-items:flex-end;min-height:64px;padding:8px;border-radius:13px;color:#fff;
      background:linear-gradient(135deg,#132b5c,#4f78cc);
    }
    .cover:before,.cover-large:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,transparent 30%,rgba(255,255,255,.17) 30%,transparent 56%)}
    .cover.one{background:linear-gradient(135deg,#233a71,#3e80ce)}
    .cover.two{background:linear-gradient(135deg,#66486e,#c17785)}
    .cover.three{background:linear-gradient(135deg,#12677a,#46a7ad)}
    .cover.four{background:linear-gradient(135deg,#2e4271,#7f8fc0)}
    .cover-number{position:relative;font-size:18px;font-weight:900}
    .choice-info h3{margin:0 0 3px;color:var(--ink);font-size:15px;line-height:1.35}
    .choice-info p{margin:0;color:var(--muted);font-size:12px}
    .choice-action{color:var(--brand);font-size:13px;font-weight:800;white-space:nowrap}
    .section{padding:84px 0}
    .section-tint{background:#eef4fc;border-top:1px solid #e1eaf7;border-bottom:1px solid #e1eaf7}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}
    .section-kicker{margin:0 0 8px;color:var(--brand);font-size:13px;font-weight:850;letter-spacing:.08em}
    h2{margin:0;color:var(--ink);font-size:clamp(28px,3.3vw,39px);line-height:1.22;letter-spacing:-.045em;font-weight:850}
    .heading-copy{max-width:475px;margin:0;color:var(--muted);font-size:15px;line-height:1.8}
    .feature-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:20px}
    .feature-main,.mini-card,.stats-panel,.selected-card,.path-card,.feedback-card,.news-panel,.news-aside{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
    .feature-main{display:grid;grid-template-columns:1fr .94fr;gap:25px;padding:30px}
    .index-num{display:inline-grid;place-items:center;width:33px;height:33px;border-radius:10px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:900}
    .feature-main h3,.mini-card h3{margin:17px 0 9px;color:var(--ink);font-size:24px;line-height:1.3;letter-spacing:-.03em}
    .feature-main p,.mini-card p{margin-bottom:18px;color:var(--muted);font-size:14px}
    .path-list{display:grid;gap:10px}
    .path-list div{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#f7f9fd;border-radius:11px;color:#5b6b83;font-size:13px;font-weight:700}
    .path-list span{display:grid;place-items:center;width:20px;height:20px;background:#dce9ff;border-radius:50%;color:var(--brand);font-size:11px}
    .feature-visual{display:grid;align-content:center;gap:11px;padding:14px;background:#f4f7fc;border-radius:17px}
    .visual-row{height:42px;display:flex;align-items:center;gap:10px;padding:8px;background:#fff;border:1px solid #e4ebf5;border-radius:11px}
    .visual-row i{width:25px;height:25px;border-radius:8px;background:#d8e6ff}
    .visual-row:nth-child(2) i{background:#d6f1f3}.visual-row:nth-child(3) i{background:#ffe0db}
    .visual-row b{height:7px;width:54%;border-radius:999px;background:#ced9eb}.visual-row small{margin-left:auto;width:28px;height:7px;border-radius:999px;background:#e8eef7}
    .mini-stack{display:grid;gap:20px}
    .mini-card{padding:22px}
    .mini-card h3{font-size:18px;margin:13px 0 5px}
    .mini-card p{margin-bottom:13px}
    .mini-link{font-size:13px;font-weight:850;color:var(--brand)}
    .data-ribbon{display:grid;grid-template-columns:1fr 1.15fr .95fr .95fr;gap:1px;background:#dce5f1;border:1px solid #dce5f1;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
    .data-item{padding:26px 24px;background:#fff}
    .data-item strong{display:block;color:var(--ink);font-size:34px;line-height:1;font-weight:900;letter-spacing:-.06em}
    .data-item span{display:block;margin-top:9px;color:var(--muted);font-size:13px;font-weight:700}
    .data-item.emphasis{background:#356fe8;color:#fff}
    .data-item.emphasis strong,.data-item.emphasis span{color:#fff}
    .data-item.emphasis span{opacity:.82}
    .featured-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .selected-card{position:relative;overflow:hidden;min-height:376px;padding:28px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(145deg,#18346d,#3f75cd);color:#fff}
    .selected-card:before{content:"";position:absolute;width:380px;height:380px;right:-135px;top:-120px;border:50px solid rgba(255,255,255,.1);border-radius:50%}
    .selected-card>*{position:relative}
    .selected-card h3{margin:12px 0 8px;font-size:30px;line-height:1.25;font-weight:850;letter-spacing:-.04em}
    .selected-card p{max-width:480px;margin:0;color:rgba(255,255,255,.82);font-size:14px}
    .content-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12px;font-weight:750}
    .content-meta span{padding:4px 8px;border-radius:999px;background:rgba(255,255,255,.16)}
    .selected-card .btn{align-self:flex-start;margin-top:22px;background:#fff;color:var(--brand)}
    .compact-list{display:grid;gap:12px}
    .compact-item{display:grid;grid-template-columns:90px 1fr auto;align-items:center;gap:14px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.2s ease}
    .compact-item:hover{border-color:#abc6f7;box-shadow:var(--shadow);transform:translateX(3px)}
    .compact-cover{height:68px;border-radius:11px}
    .compact-info h3{margin:0 0 5px;color:var(--ink);font-size:15px;line-height:1.4}
    .compact-info p{margin:0;color:var(--muted);font-size:12px}
    .arrow-link{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand);font-weight:900}
    .browse-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;position:relative}
    .path-card{padding:24px;position:relative;transition:.2s ease}
    .path-card:hover{border-color:#b6cdf8;transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .path-card .step{display:inline-flex;align-items:center;justify-content:center;width:31px;height:31px;background:var(--brand-soft);color:var(--brand);border-radius:9px;font-size:12px;font-weight:900}
    .path-card h3{margin:17px 0 8px;color:var(--ink);font-size:20px}
    .path-card p{min-height:48px;margin:0;color:var(--muted);font-size:14px}
    .path-card .mini-link{display:inline-block;margin-top:16px}
    .topic-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:16px}
    .topic-card{min-height:176px;padding:21px;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:0 8px 22px rgba(37,60,96,.06);transition:.2s ease}
    .topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .topic-card.primary{background:#edf4ff;border-color:#c9dcff}
    .topic-card h3{margin:24px 0 7px;color:var(--ink);font-size:20px;line-height:1.35}
    .topic-card p{margin:0;color:var(--muted);font-size:13px}
    .topic-icon{display:grid;place-items:center;width:38px;height:38px;background:#fff;border:1px solid #dbe6f5;color:var(--brand);border-radius:12px;font-weight:900}
    .topic-card.primary .topic-icon{background:var(--brand);color:#fff;border-color:var(--brand)}
    .news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .news-panel,.news-aside{padding:25px}
    .news-list{display:grid;gap:0}
    .news-row{display:grid;grid-template-columns:90px 1fr auto;gap:15px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
    .news-row:last-child{border-bottom:0}
    .news-date{color:var(--brand);font-size:12px;font-weight:900}
    .news-row h3{margin:2px 0 2px;color:var(--ink);font-size:16px;line-height:1.45}
    .news-row p{margin:0;color:var(--muted);font-size:13px}
    .news-aside{background:#17336d;color:#fff;border-color:#17336d}
    .news-aside .section-kicker{color:#9ec0ff}
    .news-aside h3{margin:0 0 11px;font-size:25px;line-height:1.3;letter-spacing:-.04em}
    .news-aside p{margin-bottom:21px;color:#cedbfd;font-size:14px}
    .notice-list{display:grid;gap:9px;margin:0;padding:0;list-style:none}
    .notice-list li{display:flex;gap:9px;color:#e2ebff;font-size:13px}
    .notice-list li:before{content:"✓";color:#9ec0ff;font-weight:900}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:48px;align-items:start}
    .faq-intro p{margin:16px 0 0;color:var(--muted);font-size:15px}
    .faq-list{display:grid;gap:10px}
    .faq-item{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:14px}
    .faq-button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 19px;border:0;background:#fff;color:var(--ink);text-align:left;font-size:15px;font-weight:800}
    .faq-button:hover{background:#f8faff;color:var(--brand)}
    .faq-icon{flex:none;width:25px;height:25px;display:grid;place-items:center;border-radius:8px;background:var(--brand-soft);color:var(--brand);font-size:18px;line-height:1;transition:transform .2s ease}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}
    .faq-answer>div{overflow:hidden}
    .faq-answer p{margin:0;padding:0 19px 0;color:var(--muted);font-size:14px;line-height:1.8}
    .faq-item.open .faq-answer{grid-template-rows:1fr}
    .faq-item.open .faq-answer p{padding:0 19px 17px}
    .feedback-card{display:grid;grid-template-columns:.88fr 1.12fr;gap:36px;padding:34px;background:#fff}
    .feedback-card h2{font-size:32px}
    .feedback-copy p{margin:16px 0 0;color:var(--muted);font-size:15px}
    .feedback-note{display:flex;gap:9px;margin-top:22px;padding:13px;background:#f5f8fd;border-radius:12px;color:#65758e;font-size:13px}
    .feedback-note b{color:var(--brand)}
    .feedback-form{display:grid;grid-template-columns:1fr 1fr;gap:13px}
    .field{display:grid;gap:6px}
    .field.full{grid-column:1/-1}
    label{color:#52617a;font-size:12px;font-weight:850}
    input,textarea{width:100%;border:1px solid #d7e1ef;border-radius:11px;background:#fbfcfe;color:var(--ink);padding:11px 12px;outline:0;transition:.2s ease}
    input{min-height:44px}
    textarea{min-height:96px;resize:vertical}
    input::placeholder,textarea::placeholder{color:#9ba8bb}
    input:focus,textarea:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(53,111,232,.1)}
    input.error,textarea.error{border-color:#db7469;background:#fff8f7}
    .submit-row{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:3px}
    .form-status{min-height:20px;color:#60728d;font-size:12px}
    .form-status.success{color:#208464;font-weight:700}
    footer{margin-top:84px;background:#eaf0f8;border-top:1px solid #d8e3f1}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:35px;padding:46px 0 30px}
    .footer-brand p{max-width:430px;margin:14px 0 0;color:#64748c;font-size:13px}
    .footer-title{margin:0 0 11px;color:var(--ink);font-size:13px;font-weight:900}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#61718a;font-size:13px;font-weight:650}
    .footer-links a:hover{color:var(--brand)}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;padding:18px 0;border-top:1px solid #d5e0ee;color:#71809a;font-size:12px}
    .footer-bottom a:hover{color:var(--brand)}
    @media(max-width:900px){
      .nav-links,.nav-side .status-dot{display:none}.mobile-toggle{display:block}
      .hero-grid,.feature-grid,.featured-layout,.news-layout,.faq-layout,.feedback-card{grid-template-columns:1fr}
      .hero{padding:42px 0 62px}.compare-panel{max-width:640px}
      .feature-main{grid-template-columns:1fr}.data-ribbon{grid-template-columns:repeat(2,1fr)}
      .faq-layout{gap:25px}.topic-grid{grid-template-columns:1fr 1fr}.topic-card.primary{grid-column:span 2}
    }
    @media(max-width:640px){
      .container{width:min(100% - 28px,1180px)}.topbar{padding-top:8px}.nav-frame{min-height:60px;padding:8px 9px 8px 13px}.brand{font-size:14px}
      h1{font-size:38px}.hero-copy{font-size:15px}.hero-actions .btn{flex:1}.section{padding:60px 0}.section-heading{display:block;margin-bottom:25px}.heading-copy{margin-top:12px}
      .choice-card{grid-template-columns:55px 1fr}.choice-action{display:none}.compare-panel{padding:11px}.data-item{padding:21px 16px}.data-item strong{font-size:28px}
      .selected-card{min-height:325px;padding:22px}.selected-card h3{font-size:25px}.compact-item{grid-template-columns:72px 1fr}.compact-cover{height:58px}.compact-item .arrow-link{display:none}
      .browse-steps,.topic-grid{grid-template-columns:1fr}.topic-card.primary{grid-column:auto}.news-panel,.news-aside{padding:19px}.news-row{grid-template-columns:1fr;gap:3px}.news-row>a{display:none}
      .feedback-card{padding:23px}.feedback-form{grid-template-columns:1fr}.field.full,.submit-row{grid-column:auto}.submit-row{display:grid}.submit-row .btn{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:25px;padding:37px 0 25px}.footer-bottom{display:grid}.soft-tag{font-size:11px}
    }

/* roulang page: category1 */
:root{
 --brand:#356fe8;--brand-dark:#2457c7;--brand-soft:#eaf1ff;--cyan:#27a7bb;--coral:#ed7869;
 --ink:#17233a;--text:#43516a;--muted:#71809a;--line:#dfe7f3;--bg:#f7f9fc;--paper:#fff;
 --shadow:0 14px 35px rgba(30,58,105,.09);--shadow-hover:0 20px 42px rgba(30,58,105,.15);
 --radius:22px;--radius-sm:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none} button,input,textarea{font:inherit} button{cursor:pointer} img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.topbar{padding:14px 0 0;position:sticky;top:0;z-index:50;background:linear-gradient(to bottom,rgba(247,249,252,.97),rgba(247,249,252,.72),transparent);backdrop-filter:blur(10px)}
.nav-frame{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:66px;padding:10px 13px 10px 18px;background:rgba(255,255,255,.94);border:1px solid rgba(218,228,243,.95);border-radius:18px;box-shadow:0 9px 24px rgba(29,55,97,.07)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:16px;letter-spacing:-.03em;white-space:nowrap}
.brand-mark{width:32px;height:32px;display:grid;place-items:center;color:#fff;background:var(--brand);border-radius:11px;box-shadow:0 5px 12px rgba(53,111,232,.28)}
.brand-mark svg{width:16px;height:16px;margin-left:2px}
.nav-links{display:flex;align-items:center;gap:5px}.nav-link{font-size:14px;font-weight:700;color:var(--muted);padding:9px 13px;border-radius:10px;transition:.2s ease}
.nav-link:hover,.nav-link.active{background:var(--brand-soft);color:var(--brand)}.nav-side{display:flex;align-items:center;gap:10px}
.status-dot{display:inline-flex;align-items:center;gap:6px;color:#58708e;font-size:12px;font-weight:800;white-space:nowrap}.status-dot i{width:7px;height:7px;background:var(--coral);border-radius:50%;display:inline-block}
.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:10px 16px;font-weight:800;font-size:14px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease}
.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(53,111,232,.23)}.btn-primary:hover{background:var(--brand-dark);box-shadow:0 11px 22px rgba(53,111,232,.3)}.btn-secondary{background:#fff;color:var(--brand);border-color:#cbdafa}.btn-secondary:hover{border-color:var(--brand);background:var(--brand-soft)}
.btn:focus-visible,.nav-link:focus-visible,.filter-chip:focus-visible,.faq-button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(53,111,232,.28);outline-offset:3px}
.mobile-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink)}.mobile-menu{display:none;margin-top:8px;padding:9px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.mobile-menu.open{display:grid}.mobile-menu a{padding:11px 12px;border-radius:10px;font-weight:700;color:var(--text)}.mobile-menu a:hover{background:var(--brand-soft);color:var(--brand)}
.page-hero{padding:64px 0 46px;position:relative;overflow:hidden}.page-hero:before{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-110px;top:-170px;background:radial-gradient(circle,rgba(215,228,255,.94),rgba(247,249,252,0) 67%)}.breadcrumbs{position:relative;display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;font-weight:700}.breadcrumbs span{color:#a0aec2}.eyebrow{position:relative;display:inline-flex;align-items:center;gap:8px;margin-top:20px;padding:7px 11px;background:#fff;border:1px solid #dce7fa;border-radius:999px;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.04em}.eyebrow b{width:7px;height:7px;border-radius:50%;background:var(--coral)}h1,h2,h3,p{margin-top:0}.page-title{position:relative;margin:16px 0 14px;max-width:760px;color:var(--ink);font-size:clamp(34px,5vw,54px);line-height:1.18;letter-spacing:-.055em}.page-copy{position:relative;max-width:760px;color:#56657c;font-size:16px;line-height:1.9}.hero-note{position:relative;display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.soft-tag{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border-radius:10px;background:#fff;border:1px solid var(--line);color:#66758d;font-size:12px;font-weight:700}.soft-tag strong{color:var(--ink)}
.section{padding:76px 0}.section-tint{background:#eef4fc;border-top:1px solid #e1eaf7;border-bottom:1px solid #e1eaf7}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}.section-kicker{margin:0 0 8px;color:var(--brand);font-size:13px;font-weight:850;letter-spacing:.08em}.section-heading h2{margin:0;color:var(--ink);font-size:clamp(26px,3vw,36px);line-height:1.3;letter-spacing:-.04em}.heading-copy{max-width:455px;margin:0;color:var(--muted);font-size:15px;line-height:1.8}
.filter-shell{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.filter-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid #e8eef7}.filter-label{color:var(--ink);font-size:14px;font-weight:850}.filter-state{font-size:12px;color:var(--cyan);font-weight:800}.filter-row{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:2px 1px 6px;scrollbar-width:none}.filter-row::-webkit-scrollbar{display:none}.filter-chip{border:1px solid var(--line);background:#fff;color:#61718b;border-radius:999px;padding:8px 13px;white-space:nowrap;font-size:13px;font-weight:800;transition:.2s}.filter-chip:hover,.filter-chip.active{color:var(--brand);border-color:#a9c5fb;background:var(--brand-soft)}.sort-select{border:1px solid var(--line);color:var(--text);background:#fff;border-radius:10px;min-height:38px;padding:0 10px;font-size:13px;font-weight:700}
.catalog-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:20px;margin-top:22px}.feature-entry,.entry-list,.notice-card,.selected-banner,.tip-card,.faq-list,.bottom-cta{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
.feature-entry{overflow:hidden;display:grid;grid-template-columns:.94fr 1.06fr;min-height:350px;transition:.25s}.feature-entry:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#bfd2fa}.cover{position:relative;overflow:hidden;background:#dce8fc;min-height:220px}.cover:before,.mini-cover:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(28,65,132,.08),rgba(53,111,232,.21))}.cover-art{position:absolute;inset:0;padding:23px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#e5efff 0%,#cbdcff 52%,#eef5ff 100%)}.cover-art.dark{background:linear-gradient(145deg,#dbe8ff,#a9c6fb 58%,#e5f3f7)}.cover-code{font-size:13px;font-weight:900;letter-spacing:.12em;color:#426fbf}.cover-line{width:58%;height:10px;border-radius:99px;background:rgba(255,255,255,.75)}.cover-line.short{width:36%;margin-top:10px}.play-circle{width:58px;height:58px;border:1px solid rgba(255,255,255,.9);border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.78);box-shadow:0 10px 22px rgba(53,111,232,.15);color:var(--brand)}.play-circle svg{width:23px;height:23px;margin-left:3px}.cover-meta{display:flex;justify-content:space-between;align-items:center;color:#446184;font-size:12px;font-weight:850}.entry-body{padding:28px;display:flex;flex-direction:column;align-items:flex-start}.entry-body h3{margin:14px 0 9px;color:var(--ink);font-size:25px;line-height:1.35;letter-spacing:-.035em}.entry-body p{color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:20px}.entry-footer{margin-top:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:999px;background:#eef4ff;color:var(--brand);font-size:12px;font-weight:850}.badge.cyan{background:#e7f7f8;color:#208394}.badge.coral{background:#fff0ed;color:#d15b4d}.entry-list{padding:9px}.list-entry{display:grid;grid-template-columns:90px 1fr auto;gap:13px;align-items:center;padding:11px;border-radius:16px;transition:.2s}.list-entry:hover{background:#f5f8fd}.mini-cover{position:relative;height:72px;border-radius:12px;overflow:hidden;background:#dce8fc}.mini-cover.one{background:linear-gradient(145deg,#dbe8ff,#b6cdf7)}.mini-cover.two{background:linear-gradient(145deg,#e7f4f6,#bee1e8)}.mini-cover.three{background:linear-gradient(145deg,#f0ebff,#d3c6f6)}.mini-cover span{position:absolute;bottom:6px;right:6px;padding:2px 5px;border-radius:5px;color:#fff;background:rgba(23,35,58,.72);font-size:10px;font-weight:800}.list-entry h3{margin:0 0 4px;color:var(--ink);font-size:15px;line-height:1.4}.list-entry p{margin:0;color:var(--muted);font-size:12px}.entry-arrow{color:var(--brand);font-size:21px;font-weight:500;padding:8px}
.notice-card{margin-top:20px;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.notice-card h3{margin:0 0 5px;color:var(--ink);font-size:17px}.notice-card p{margin:0;color:var(--muted);font-size:13px}.notice-symbol{width:45px;height:45px;flex:0 0 45px;display:grid;place-items:center;border-radius:14px;background:var(--brand-soft);color:var(--brand);font-size:20px;font-weight:900}
.selected-banner{display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden}.selected-text{padding:34px}.selected-text h3{color:var(--ink);font-size:28px;line-height:1.35;letter-spacing:-.04em;margin:14px 0 10px}.selected-text p{font-size:14px;color:var(--muted);margin-bottom:22px}.selected-side{padding:23px;background:#f1f6ff;display:grid;align-content:center;gap:11px}.selected-line{padding:12px 13px;border:1px solid #d9e6fa;background:#fff;border-radius:12px;color:#586983;font-size:13px;font-weight:750}.selected-line b{color:var(--brand);margin-right:8px}
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tip-card{padding:24px;transition:.2s}.tip-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}.tip-num{color:var(--brand);font-size:13px;font-weight:900;letter-spacing:.08em}.tip-card h3{margin:12px 0 8px;color:var(--ink);font-size:19px}.tip-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.faq-list{overflow:hidden}.faq-item+ .faq-item{border-top:1px solid var(--line)}.faq-button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px 22px;border:0;background:#fff;color:var(--ink);text-align:left;font-size:16px;font-weight:800;transition:.2s}.faq-button:hover{background:#f8faff;color:var(--brand)}.faq-icon{width:27px;height:27px;flex:0 0 27px;display:grid;place-items:center;border-radius:9px;background:var(--brand-soft);color:var(--brand);font-size:20px;font-weight:500;transition:.2s}.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}.faq-answer{display:none;padding:0 54px 20px 22px;color:var(--muted);font-size:14px;line-height:1.8}.faq-item.open .faq-answer{display:block}
.bottom-cta{padding:33px;display:flex;align-items:center;justify-content:space-between;gap:25px;background:linear-gradient(112deg,#fff 0%,#f2f6ff 100%)}.bottom-cta h2{margin:0 0 8px;color:var(--ink);font-size:28px;letter-spacing:-.04em}.bottom-cta p{margin:0;color:var(--muted);font-size:14px}
footer{margin-top:76px;padding:58px 0 22px;background:#eaf0f8;border-top:1px solid #dbe5f3}.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:42px}.footer-brand p{max-width:415px;margin:15px 0 0;color:#64738a;font-size:13px;line-height:1.8}.footer-title{margin:3px 0 13px;color:var(--ink);font-weight:850;font-size:14px}.footer-links{display:grid;gap:9px}.footer-links a{color:#64738a;font-size:13px;font-weight:700;transition:.2s}.footer-links a:hover{color:var(--brand);transform:translateX(2px)}.footer-bottom{display:flex;justify-content:space-between;gap:18px;margin-top:42px;padding-top:19px;border-top:1px solid #d4dfef;color:#75829a;font-size:12px}.footer-bottom a:hover{color:var(--brand)}
@media(max-width:1024px){.catalog-grid{grid-template-columns:1fr}.tip-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.container{width:min(100% - 28px,1180px)}.topbar{padding-top:8px}.nav-frame{min-height:59px;padding:8px 10px 8px 13px}.brand{font-size:14px}.nav-links,.nav-side .status-dot{display:none}.nav-side{gap:7px}.nav-side .btn{min-height:39px;padding:8px 11px;font-size:12px}.mobile-toggle{display:grid;place-items:center}.page-hero{padding:43px 0 32px}.section{padding:58px 0}.section-heading{display:block;margin-bottom:22px}.heading-copy{margin-top:10px}.feature-entry,.selected-banner{grid-template-columns:1fr}.cover{min-height:205px}.entry-body{padding:23px}.notice-card,.bottom-cta{align-items:flex-start;flex-direction:column}.tip-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:29px}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:8px}}
@media(max-width:520px){.brand-mark{width:29px;height:29px}.brand{font-size:13px}.nav-side .btn{display:none}.page-title{font-size:34px}.page-copy{font-size:15px}.filter-top{align-items:flex-start;flex-direction:column}.filter-shell{padding:14px}.list-entry{grid-template-columns:74px 1fr auto;padding:9px}.mini-cover{height:61px}.list-entry h3{font-size:14px}.entry-arrow{padding:3px}.section-heading h2{font-size:27px}.selected-text{padding:24px}.selected-text h3{font-size:24px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{margin-top:29px}.bottom-cta{padding:25px}.bottom-cta h2{font-size:24px}}