/* roulang page: index */
:root{
            --plum:#291d2d;
            --plum-2:#3d2940;
            --copper:#a66d4c;
            --copper-dark:#805039;
            --cream:#fbf8f2;
            --sand:#f1ece4;
            --mist:#e7e8e3;
            --ink:#211d21;
            --muted:#746d70;
            --line:#ddd5ce;
            --white:#fff;
            --radius:18px;
            --shadow:0 16px 38px rgba(42,29,45,.09);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:16px}
        body.menu-open{overflow:hidden}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;width:100%;object-fit:cover}
        button,input,textarea{font:inherit}
        button{cursor:pointer;border:0}
        .container{width:min(1180px,calc(100% - 44px));margin:auto}
        .notice{background:var(--plum);color:#eee7df;font-size:13px;letter-spacing:.04em}
        .notice-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between}
        .notice a{color:#e2b99a;border-bottom:1px solid rgba(226,185,154,.5)}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,242,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,213,206,.75)}
        .header-inner{height:80px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;font-weight:750;color:var(--plum);letter-spacing:-.02em}
        .brand-mark{width:37px;height:37px;border:1px solid var(--copper);border-radius:50%;display:grid;place-items:center;color:var(--copper);font-size:15px}
        .brand-text{font-size:18px;line-height:1.2}
        .brand-text small{display:block;font-size:10px;letter-spacing:.16em;color:var(--muted);font-weight:500;margin-top:3px}
        .nav{display:flex;align-items:center;gap:8px}
        .nav a{padding:10px 15px;border-radius:10px;color:#5d5559;font-size:14px;transition:var(--ease)}
        .nav a:hover,.nav a.active{background:var(--sand);color:var(--plum)}
        .header-action{background:var(--copper);color:var(--white)!important;padding:11px 18px!important}
        .header-action:hover{background:var(--copper-dark)!important;transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px;width:44px;height:44px}
        .hero{padding:82px 0 92px;background:var(--plum);color:var(--white);position:relative;overflow:hidden}
        .hero:after{content:"";position:absolute;width:450px;height:450px;border:1px solid rgba(216,171,137,.23);border-radius:50%;right:-130px;top:-150px}
        .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:76px;position:relative;z-index:1}
        .eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.14em;color:#d9b59b;margin-bottom:20px;text-transform:uppercase}
        .eyebrow:before{content:"";width:27px;height:1px;background:var(--copper)}
        h1{font-size:clamp(40px,5vw,64px);line-height:1.18;letter-spacing:-.055em;font-weight:750}
        .hero-copy{font-size:18px;color:#d6ccd0;max-width:600px;margin:25px 0 32px}
        .actions{display:flex;gap:13px;flex-wrap:wrap}
        .btn{min-height:46px;padding:11px 20px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:650;font-size:14px;transition:var(--ease)}
        .btn-primary{background:var(--copper);color:#fff;box-shadow:0 8px 18px rgba(0,0,0,.16)}
        .btn-primary:hover{background:#bc805c;transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.23)}
        .btn-ghost{border:1px solid rgba(255,255,255,.28);color:#fff}
        .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#d6a886}
        .btn-light{background:var(--white);color:var(--plum)}
        .btn-light:hover{background:#f2e5d9;transform:translateY(-2px)}
        a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #d9a77f;outline-offset:3px}
        .hero-visual{min-height:390px;position:relative}
        .hero-image{height:390px;border-radius:22px;opacity:.76;box-shadow:0 22px 45px rgba(0,0,0,.22)}
        .hero-note{position:absolute;left:-30px;bottom:28px;background:#f8f1e8;color:var(--plum);padding:22px 24px;border-radius:14px;box-shadow:var(--shadow);width:220px}
        .hero-note strong{font-size:29px;display:block;line-height:1.2}
        .hero-note span{font-size:13px;color:var(--muted)}
        .section{padding:94px 0}
        .section-soft{background:var(--sand)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
        .section-kicker{font-size:12px;color:var(--copper);letter-spacing:.15em;margin-bottom:8px}
        h2{font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-.04em;color:var(--plum)}
        .section-intro{max-width:480px;color:var(--muted);font-size:15px}
        .keyword-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:stretch}
        .keyword-main{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:38px}
        .keyword-word{font-size:clamp(35px,5vw,66px);font-weight:800;line-height:1;color:var(--plum);letter-spacing:-.06em}
        .keyword-word em{font-style:normal;color:var(--copper)}
        .keyword-main p{color:var(--muted);margin:22px 0 24px;max-width:560px}
        .tag-list{display:flex;gap:8px;flex-wrap:wrap}
        .tag{font-size:12px;color:var(--plum);background:#f4eee8;border:1px solid #e4d7cd;border-radius:30px;padding:5px 11px}
        .keyword-side{display:grid;gap:20px}
        .mini-card{padding:27px 29px;border-radius:var(--radius);background:var(--plum-2);color:#fff}
        .mini-card.light{background:#dfe5e1;color:var(--plum)}
        .mini-card b{font-size:22px;display:block;margin-bottom:6px}
        .mini-card p{font-size:14px;color:rgba(255,255,255,.73)}
        .mini-card.light p{color:var(--muted)}
        .feature-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:22px}
        .feature-image{height:410px;border-radius:var(--radius)}
        .feature-main{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--plum)}
        .feature-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(29,19,31,.8),transparent 65%)}
        .feature-caption{position:absolute;z-index:1;left:34px;right:34px;bottom:28px;color:#fff}
        .feature-caption h3{font-size:28px;line-height:1.35;margin:8px 0}
        .feature-caption p{color:#ded4d6;font-size:14px}
        .feature-side{display:grid;gap:22px}
        .info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:29px;transition:var(--ease)}
        .info-card:hover,.post:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .number{color:var(--copper);font-size:13px;letter-spacing:.1em}
        .info-card h3{font-size:21px;color:var(--plum);margin:15px 0 8px}
        .info-card p{color:var(--muted);font-size:14px}
        .value-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:18px}
        .value-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:29px;min-height:190px}
        .value-card:first-child{background:#eee4da}
        .value-card h3{color:var(--plum);font-size:20px;margin:14px 0 8px}
        .value-card p{color:var(--muted);font-size:14px}
        .value-icon{color:var(--copper);font-weight:750;font-size:23px}
        .updates{display:grid;grid-template-columns:.82fr 1.18fr;gap:50px}
        .updates-intro{padding-top:10px}
        .updates-intro p{color:var(--muted);margin:17px 0 24px}
        .update-list{border-top:1px solid var(--line)}
        .post{display:grid;grid-template-columns:92px 1fr auto;align-items:center;gap:20px;padding:21px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
        .post-date{font-size:12px;color:var(--copper);font-weight:700}
        .post h3{font-size:17px;color:var(--plum);line-height:1.4}
        .post p{font-size:13px;color:var(--muted);margin-top:4px}
        .post-arrow{color:var(--copper);font-size:20px}
        .empty-state{padding:35px;border:1px dashed var(--line);border-radius:var(--radius);text-align:center;color:var(--muted);background:rgba(255,255,255,.45)}
        .empty-state strong{display:block;color:var(--plum);font-size:18px;margin-bottom:5px}
        .category-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
        .category-card{position:relative;min-height:245px;border-radius:var(--radius);overflow:hidden;color:#fff}
        .category-card img{height:100%;position:absolute;inset:0}
        .category-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(39,25,42,.9),rgba(39,25,42,.12))}
        .category-card:first-child{min-height:300px}
        .category-copy{position:absolute;z-index:1;left:25px;right:25px;bottom:24px}
        .category-copy h3{font-size:21px;margin:7px 0}
        .category-copy p{font-size:13px;color:#e2d9d8}
        .category-card:hover img{transform:scale(1.04);transition:var(--ease)}
        .faq-wrap{max-width:840px;margin:auto}
        .faq-item{border-bottom:1px solid var(--line);padding:3px 0}
        summary{list-style:none;cursor:pointer;padding:21px 4px;font-weight:650;color:var(--plum);display:flex;justify-content:space-between;gap:20px}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"＋";color:var(--copper);font-size:22px}
        details[open] summary:after{content:"−"}
        .faq-answer{padding:0 34px 22px 4px;color:var(--muted);font-size:14px}
        .cta{background:var(--plum);color:#fff;padding:55px 0}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{color:#fff;font-size:32px}
        .cta p{color:#d5cacc;margin-top:8px}
        .site-footer{background:#211822;color:#d9d0d1;padding:55px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:50px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.13)}
        .footer-brand{color:#fff;font-size:19px;font-weight:750}
        .footer-copy{font-size:13px;color:#aaa0a3;max-width:310px;margin-top:14px}
        .footer-title{font-size:13px;color:#e4b99e;margin-bottom:13px}
        .footer-links{display:grid;gap:8px;font-size:13px;color:#bdb3b5}
        .footer-links a:hover{color:#fff}
        .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#8f8589;font-size:12px}
        @media(max-width:992px){
            .hero-grid,.keyword-panel,.feature-layout,.updates{grid-template-columns:1fr;gap:30px}
            .hero-visual{max-width:680px;width:100%;margin:auto}
            .value-grid{grid-template-columns:1fr 1fr}
            .value-card:first-child{grid-column:span 2}
            .category-grid{grid-template-columns:1fr 1fr}
            .category-card:first-child{grid-column:span 2}
        }
        @media(max-width:768px){
            .container{width:min(100% - 36px,600px)}
            .notice-inner{min-height:44px}
            .notice-inner span{max-width:75%;line-height:1.4}
            .header-inner{height:70px}
            .menu-toggle{display:block}
            .nav{display:none;position:fixed;inset:114px 18px auto 18px;background:var(--cream);padding:12px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            body.menu-open .nav{display:flex}
            .nav a{min-height:44px;display:flex;align-items:center}
            .header-action{margin-top:3px}
            .hero{padding:63px 0 70px}
            .hero-copy{font-size:16px}
            .hero-visual,.hero-image{min-height:300px;height:300px}
            .hero-note{left:18px;bottom:18px}
            .section{padding:67px 0}
            .section-head{display:block;margin-bottom:28px}
            .section-intro{margin-top:14px}
            .keyword-main{padding:28px 24px}
            .feature-image{height:300px}
            .value-grid,.category-grid{grid-template-columns:1fr}
            .value-card:first-child,.category-card:first-child{grid-column:auto}
            .post{grid-template-columns:74px 1fr}
            .post-arrow{display:none}
            .cta-inner{display:block}
            .cta .btn{margin-top:24px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
            .footer-grid>div:first-child{grid-column:span 2}
            .copyright{display:block}
            .copyright span{display:block;margin-top:8px}
        }
        @media(max-width:520px){
            h1{font-size:38px}
            h2{font-size:28px}
            .actions .btn{width:100%}
            .hero-note{width:190px;padding:16px}
            .hero-note strong{font-size:23px}
            .post{gap:12px}
            .post h3{font-size:15px}
            .post p{font-size:12px}
            .footer-grid{grid-template-columns:1fr}
            .footer-grid>div:first-child{grid-column:auto}
        }
        @media(prefers-reduced-motion:reduce){
            *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
        }

/* roulang page: article */
:root{
            --plum:#291d2d;
            --plum-2:#3d2940;
            --copper:#a66d4c;
            --copper-dark:#805039;
            --cream:#fbf8f2;
            --sand:#f1ece4;
            --mist:#e7e8e3;
            --ink:#211d21;
            --muted:#746d70;
            --line:#ddd5ce;
            --white:#fff;
            --radius:18px;
            --shadow:0 16px 38px rgba(42,29,45,.09);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:16px}
        body.menu-open{overflow:hidden}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;width:100%;object-fit:cover}
        button,input,textarea{font:inherit}
        button{cursor:pointer;border:0}
        h1,h2,h3,p{margin-top:0}
        h1,h2,h3{font-weight:720;letter-spacing:-.035em}
        .container{width:min(1180px,calc(100% - 44px));margin:auto}
        a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #d9a77f;outline-offset:3px}
        .notice{background:var(--plum);color:#e5d9dc;font-size:13px;padding:8px 0}
        .notice-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}
        .notice a{color:#e2b99a;border-bottom:1px solid rgba(226,185,154,.5)}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,242,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,213,206,.75)}
        .header-inner{height:80px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;font-weight:750;color:var(--plum);letter-spacing:-.02em}
        .brand-mark{width:37px;height:37px;border:1px solid var(--copper);border-radius:50%;display:grid;place-items:center;color:var(--copper);font-size:15px}
        .brand-text{font-size:18px;line-height:1.2}
        .brand-text small{display:block;font-size:10px;letter-spacing:.16em;color:var(--muted);font-weight:500;margin-top:3px}
        .nav{display:flex;align-items:center;gap:8px}
        .nav a{padding:10px 15px;border-radius:10px;color:#5d5559;font-size:14px;transition:var(--ease)}
        .nav a:hover,.nav a.active{background:var(--sand);color:var(--plum)}
        .header-action{background:var(--copper);color:var(--white)!important;padding:11px 18px!important}
        .header-action:hover{background:var(--copper-dark)!important;transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px;width:44px;height:44px}
        .article-hero{background:var(--plum);color:var(--white);padding:62px 0 68px;position:relative;overflow:hidden}
        .article-hero:after{content:"";position:absolute;width:410px;height:410px;border:1px solid rgba(216,171,137,.22);border-radius:50%;right:-120px;top:-220px}
        .crumbs{position:relative;z-index:1;display:flex;align-items:center;gap:10px;color:#cfc1c5;font-size:13px;margin-bottom:30px;flex-wrap:wrap}
        .crumbs a:hover{color:#e2b99a}
        .crumbs .current{color:#f5e8df;max-width:600px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .article-title{position:relative;z-index:1;max-width:850px;font-size:clamp(34px,5vw,58px);line-height:1.2;margin-bottom:25px}
        .article-meta{position:relative;z-index:1;display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:#d9ccd0;font-size:14px}
        .meta-badge{padding:5px 12px;border:1px solid rgba(226,185,154,.5);border-radius:30px;color:#e2b99a}
        .article-shell{padding:76px 0 96px}
        .article-layout{display:grid;grid-template-columns:minmax(0,820px) 250px;gap:68px;align-items:start;justify-content:center}
        .cover-wrap{margin-bottom:42px}
        .cover-wrap img{height:390px;border-radius:var(--radius);box-shadow:var(--shadow);background:var(--sand)}
        .cover-caption{font-size:12px;color:var(--muted);margin-top:10px;text-align:center}
        .article-content{font-size:17px;line-height:1.95}
        .article-content h2{font-size:30px;line-height:1.35;color:var(--plum);margin:48px 0 18px;padding-left:18px;border-left:3px solid var(--copper)}
        .article-content h3{font-size:22px;color:var(--plum-2);margin:34px 0 12px}
        .article-content p{margin-bottom:22px}
        .article-content ul,.article-content ol{padding-left:25px;margin:20px 0 28px}
        .article-content li{padding-left:6px;margin:8px 0}
        .article-content blockquote{margin:32px 0;padding:23px 28px;background:var(--sand);border-left:4px solid var(--copper);border-radius:0 var(--radius) var(--radius) 0;color:var(--plum-2)}
        .article-content img{border-radius:14px;margin:30px auto}
        .article-content a{color:var(--copper-dark);text-decoration:underline;text-underline-offset:4px}
        .article-content table{width:100%;border-collapse:collapse;margin:28px 0;background:var(--white);font-size:15px}
        .article-content th,.article-content td{border:1px solid var(--line);padding:12px 15px;text-align:left}
        .article-content th{background:var(--sand);color:var(--plum)}
        .article-aside{position:sticky;top:108px}
        .aside-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
        .aside-card+.aside-card{margin-top:16px}
        .aside-label{font-size:12px;color:var(--copper);letter-spacing:.12em;margin-bottom:14px}
        .aside-card h3{font-size:19px;color:var(--plum);margin-bottom:12px}
        .aside-card p{font-size:14px;color:var(--muted);margin-bottom:0}
        .aside-links{display:grid;gap:10px}
        .aside-links a{font-size:14px;color:var(--plum-2);padding-bottom:10px;border-bottom:1px solid var(--line)}
        .aside-links a:hover{color:var(--copper-dark)}
        .empty-state{padding:50px 25px;background:var(--white);border:1px dashed var(--line);border-radius:var(--radius);text-align:center}
        .empty-icon{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:var(--sand);color:var(--copper);font-size:22px;margin:0 auto 16px}
        .empty-state h2{font-size:25px;color:var(--plum);margin-bottom:10px}
        .empty-state p{color:var(--muted);margin-bottom:22px}
        .btn{min-height:46px;padding:11px 20px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:650;font-size:14px;transition:var(--ease)}
        .btn-primary{background:var(--copper);color:#fff;box-shadow:0 8px 18px rgba(0,0,0,.16)}
        .btn-primary:hover{background:var(--copper-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.23)}
        .related{background:var(--sand);padding:68px 0}
        .section-kicker{font-size:12px;color:var(--copper);letter-spacing:.15em;margin-bottom:8px}
        .section-title{font-size:31px;color:var(--plum);margin-bottom:28px}
        .related-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .related-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:var(--ease)}
        .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .related-card h3{font-size:20px;color:var(--plum);margin:12px 0 8px}
        .related-card p{font-size:14px;color:var(--muted);margin-bottom:15px}
        .related-card a{color:var(--copper-dark);font-size:14px;font-weight:650}
        .site-footer{background:var(--plum);color:#e9dfe1;padding:58px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:45px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.14)}
        .footer-brand{font-size:20px;font-weight:700;color:#fff;margin-bottom:13px}
        .footer-copy{color:#bdb0b5;font-size:14px;max-width:350px;margin:0}
        .footer-title{font-size:13px;color:#e2b99a;margin-bottom:15px}
        .footer-links{display:grid;gap:9px;font-size:14px;color:#c7bbc0}
        .footer-links a:hover{color:#fff}
        .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#9d9096;font-size:12px}
        @media(max-width:992px){
            .article-layout{grid-template-columns:minmax(0,1fr);gap:38px}
            .article-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}
            .aside-card+.aside-card{margin-top:0}
        }
        @media(max-width:768px){
            .container{width:min(100% - 36px,650px)}
            .notice-inner{justify-content:center;text-align:center}
            .notice-inner span{display:none}
            .header-inner{height:70px}
            .menu-toggle{display:block}
            .nav{display:none;position:absolute;top:70px;left:0;right:0;padding:14px 18px 22px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            body.menu-open .nav{display:flex}
            .nav a{min-height:44px;padding:11px 14px}
            .header-action{text-align:center}
            .article-hero{padding:45px 0 50px}
            .article-title{font-size:36px}
            .article-shell{padding:52px 0 66px}
            .cover-wrap img{height:260px}
            .article-content{font-size:16px}
            .article-content h2{font-size:26px;margin-top:38px}
            .article-aside{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr;gap:28px}
            .copyright{display:grid;gap:8px}
            .related-grid{grid-template-columns:1fr}
        }
        @media(max-width:520px){
            .article-title{font-size:31px}
            .crumbs .current{max-width:230px}
            .article-content blockquote{padding:18px}
            .cover-wrap img{height:210px}
        }
        @media(prefers-reduced-motion:reduce){
            *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
        }

/* roulang page: category1 */
:root{
            --plum:#291d2d;
            --plum-2:#3d2940;
            --copper:#a66d4c;
            --copper-dark:#805039;
            --cream:#fbf8f2;
            --sand:#f1ece4;
            --mist:#e7e8e3;
            --ink:#211d21;
            --muted:#746d70;
            --line:#ddd5ce;
            --white:#fff;
            --radius:18px;
            --shadow:0 16px 38px rgba(42,29,45,.09);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:16px}
        body.menu-open{overflow:hidden}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;width:100%;object-fit:cover}
        button,input,textarea{font:inherit}
        button{cursor:pointer;border:0}
        h1,h2,h3,h4,p{margin-top:0}
        h1,h2,h3,h4{letter-spacing:-.035em}
        .container{width:min(1180px,calc(100% - 44px));margin:auto}
        .notice{background:var(--plum);color:#eee5e5;font-size:13px;padding:9px 0}
        .notice a{color:#e2b99a;border-bottom:1px solid rgba(226,185,154,.5)}
        .notice-inner{display:flex;justify-content:space-between;gap:18px}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(251,248,242,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,213,206,.75)}
        .header-inner{height:80px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;font-weight:750;color:var(--plum);letter-spacing:-.02em}
        .brand-mark{width:37px;height:37px;border:1px solid var(--copper);border-radius:50%;display:grid;place-items:center;color:var(--copper);font-size:15px}
        .brand-text{font-size:18px;line-height:1.2}
        .brand-text small{display:block;font-size:10px;letter-spacing:.16em;color:var(--muted);font-weight:500;margin-top:3px}
        .nav{display:flex;align-items:center;gap:8px}
        .nav a{padding:10px 15px;border-radius:10px;color:#5d5559;font-size:14px;transition:var(--ease)}
        .nav a:hover,.nav a.active{background:var(--sand);color:var(--plum)}
        .header-action{background:var(--copper);color:var(--white)!important;padding:11px 18px!important}
        .header-action:hover{background:var(--copper-dark)!important;transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;color:var(--plum);font-size:25px;width:44px;height:44px}
        a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #d9a77f;outline-offset:3px}
        .topic-hero{padding:70px 0 76px;background:var(--sand);position:relative;overflow:hidden}
        .topic-hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(166,109,76,.22);border-radius:50%;right:-180px;top:-245px}
        .topic-grid{display:grid;grid-template-columns:1fr .88fr;gap:70px;align-items:center;position:relative;z-index:1}
        .breadcrumb{display:flex;flex-wrap:wrap;gap:9px;color:var(--muted);font-size:13px;margin-bottom:27px}
        .breadcrumb a:hover{color:var(--copper)}
        .breadcrumb span{color:#b1a5a1}
        .eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.14em;color:var(--copper);margin-bottom:17px;text-transform:uppercase}
        .eyebrow:before{content:"";width:27px;height:1px;background:var(--copper)}
        h1{font-size:clamp(36px,5vw,56px);line-height:1.18;color:var(--plum);margin-bottom:23px;font-weight:750}
        .hero-copy{font-size:18px;color:var(--muted);max-width:620px;margin-bottom:29px}
        .button-row{display:flex;flex-wrap:wrap;gap:12px}
        .btn{min-height:46px;padding:11px 20px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:650;font-size:14px;transition:var(--ease)}
        .btn-primary{background:var(--copper);color:#fff;box-shadow:0 8px 18px rgba(0,0,0,.12)}
        .btn-primary:hover{background:#bc805c;color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.18)}
        .btn-outline{border:1px solid var(--plum);color:var(--plum)}
        .btn-outline:hover{background:var(--plum);color:#fff;transform:translateY(-2px)}
        .topic-visual{position:relative}
        .topic-image{height:360px;border-radius:22px;box-shadow:var(--shadow)}
        .index-stamp{position:absolute;left:-24px;bottom:24px;background:var(--plum);color:#fff;border-radius:14px;padding:21px 24px;min-width:210px;box-shadow:var(--shadow)}
        .index-stamp strong{display:block;font-size:28px;line-height:1.2;color:#e2b99a}
        .index-stamp span{font-size:13px;color:#d9ced0}
        .section{padding:92px 0}
        .section-soft{background:var(--sand)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
        .section-kicker{font-size:12px;color:var(--copper);letter-spacing:.15em;margin-bottom:8px}
        h2{font-size:clamp(27px,3vw,36px);line-height:1.3;color:var(--plum);margin-bottom:0}
        .section-intro{max-width:500px;color:var(--muted);font-size:15px;margin-bottom:0}
        .keyword-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
        .keyword-main{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:38px}
        .keyword-main .big-word{font-size:clamp(30px,4vw,48px);font-weight:750;color:var(--plum);line-height:1.15}
        .keyword-main p{color:var(--muted);margin:20px 0 23px;max-width:600px}
        .tag-list{display:flex;gap:8px;flex-wrap:wrap}
        .tag{font-size:12px;color:var(--plum);background:#f4eee8;border:1px solid #e4d7cd;border-radius:30px;padding:5px 11px}
        .keyword-side{display:grid;gap:18px}
        .mini-card{padding:27px 29px;border-radius:var(--radius);background:var(--plum-2);color:#fff}
        .mini-card.light{background:#dfe5e1;color:var(--plum)}
        .mini-card b{font-size:22px;display:block;margin-bottom:6px}
        .mini-card p{font-size:14px;color:rgba(255,255,255,.73);margin:0}
        .mini-card.light p{color:var(--muted)}
        .feature-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:22px}
        .feature-main{position:relative;min-height:410px;overflow:hidden;border-radius:var(--radius);background:var(--plum)}
        .feature-main img{height:410px;opacity:.76}
        .feature-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(29,19,31,.86),transparent 68%)}
        .feature-caption{position:absolute;z-index:1;left:34px;right:34px;bottom:28px;color:#fff}
        .feature-caption h3{font-size:28px;line-height:1.35;margin:8px 0}
        .feature-caption p{color:#ded4d6;font-size:14px;margin-bottom:0}
        .feature-side{display:grid;gap:22px}
        .info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:29px;transition:var(--ease)}
        .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .info-number{color:var(--copper);font-size:13px;letter-spacing:.1em}
        .info-card h3{font-size:21px;color:var(--plum);margin:14px 0 8px}
        .info-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .path-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
        .path-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:12px 28px}
        .path-item{display:grid;grid-template-columns:52px 1fr;gap:17px;padding:23px 0;border-bottom:1px solid var(--line)}
        .path-item:last-child{border-bottom:0}
        .path-no{width:38px;height:38px;border-radius:50%;background:#f2e6dc;color:var(--copper-dark);display:grid;place-items:center;font-weight:700}
        .path-item h3{font-size:18px;color:var(--plum);margin:3px 0 5px}
        .path-item p{font-size:14px;color:var(--muted);margin:0}
        .side-note{background:var(--plum);color:#fff;border-radius:var(--radius);padding:34px;display:flex;flex-direction:column;justify-content:space-between}
        .side-note h3{font-size:25px;line-height:1.4}
        .side-note p{color:#d9ced0;font-size:14px}
        .side-note .tag{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);color:#f2dfd1}
        .faq-list{max-width:860px;margin:auto}
        .faq-list details{background:var(--white);border:1px solid var(--line);border-radius:13px;margin-bottom:12px;padding:0 22px;transition:var(--ease)}
        .faq-list details[open]{box-shadow:0 8px 24px rgba(42,29,45,.06)}
        .faq-list summary{cursor:pointer;list-style:none;padding:20px 28px 20px 0;font-weight:650;color:var(--plum);position:relative}
        .faq-list summary::-webkit-details-marker{display:none}
        .faq-list summary:after{content:"+";position:absolute;right:2px;top:17px;font-size:24px;font-weight:400;color:var(--copper)}
        .faq-list details[open] summary:after{content:"−"}
        .faq-answer{color:var(--muted);font-size:14px;padding:0 0 20px;max-width:740px}
        .cta{background:var(--plum);color:#fff;padding:55px 0}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{color:#fff;margin-bottom:10px}
        .cta p{color:#d9ced0;margin:0;max-width:620px}
        .site-footer{background:#211a23;color:#dcd2d3;padding:58px 0 23px}
        .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:45px;padding-bottom:42px}
        .footer-brand{font-size:19px;font-weight:700;color:#fff;margin-bottom:12px}
        .footer-copy{font-size:14px;color:#b9afb1;max-width:350px;margin:0}
        .footer-title{color:#e9d5c7;font-size:13px;margin-bottom:14px}
        .footer-links{display:grid;gap:9px;font-size:14px;color:#b9afb1}
        .footer-links a{transition:var(--ease)}
        .footer-links a:hover{color:#fff;padding-left:4px}
        .copyright{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#988d90;font-size:12px}
        @media (max-width:992px){
            .topic-grid,.keyword-panel,.feature-layout,.path-grid{grid-template-columns:1fr;gap:28px}
            .topic-visual{max-width:680px}
            .topic-image{height:320px}
            .section{padding:72px 0}
            .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
        }
        @media (max-width:768px){
            .container{width:min(100% - 36px,620px)}
            .notice-inner{display:block;text-align:center}
            .header-inner{height:70px}
            .menu-toggle{display:block}
            .nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--cream);padding:14px 18px 22px;border-bottom:1px solid var(--line);box-shadow:0 14px 25px rgba(42,29,45,.08)}
            .nav.is-open{display:grid}
            .nav a{padding:14px 16px;min-height:46px}
            .brand-text{font-size:16px}
            .topic-hero{padding:47px 0 62px}
            .hero-copy{font-size:16px}
            .section{padding:62px 0}
            .section-head{display:block;margin-bottom:27px}
            .section-intro{margin-top:14px}
            .keyword-main{padding:28px 24px}
            .feature-main,.feature-main img{min-height:330px;height:330px}
            .feature-caption{left:24px;right:24px}
            .feature-caption h3{font-size:23px}
            .path-list{padding:5px 20px}
            .cta-inner{display:block}
            .cta .btn{margin-top:24px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
            .footer-grid>div:first-child{grid-column:1/-1}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:7px}
        }
        @media (max-width:520px){
            h1{font-size:34px}
            h2{font-size:27px}
            .topic-image{height:255px}
            .index-stamp{left:14px;bottom:14px;min-width:185px;padding:16px 18px}
            .index-stamp strong{font-size:24px}
            .button-row .btn{width:100%}
            .info-card{padding:24px}
            .side-note{padding:28px 24px}
            .footer-grid{grid-template-columns:1fr}
            .footer-grid>div:first-child{grid-column:auto}
        }
        @media (prefers-reduced-motion:reduce){
            *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
        }