/* roulang page: index */
:root{
            --ink:#24382f;
            --deep:#172b24;
            --olive:#4d6656;
            --moss:#71816a;
            --terracotta:#b96f4d;
            --clay:#d88d67;
            --paper:#f7f3ec;
            --warm:#efe8dc;
            --cream:#fffdf9;
            --line:#ded6ca;
            --muted:#728078;
            --shadow:0 18px 45px rgba(40, fifty, 42, .10);
            --soft-shadow:0 8px 22px rgba(43,58,48,.08);
            --radius:18px;
            --radius-sm:10px;
            --container:1180px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            color:var(--ink);
            background:var(--paper);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,transform .25s ease,box-shadow .25s ease}
        img{display:block;max-width:100%;height:auto}
        button,input,textarea{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(185,111,77,.45);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .notice{
            background:var(--deep);color:#e9e4d9;
            font-size:13px;letter-spacing:.04em;
            min-height:38px;display:flex;align-items:center;
        }
        .notice .container{display:flex;justify-content:space-between;gap:20px}
        .notice strong{color:#e9b18f;font-weight:600}
        .site-header{
            background:rgba(247,243,236,.94);
            border-bottom:1px solid rgba(222,214,202,.75);
            position:sticky;top:0;z-index:20;
            backdrop-filter:blur(12px);
        }
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.01em}
        .brand-mark{
            width:38px;height:38px;border:1px solid var(--terracotta);
            border-radius:50%;display:grid;place-items:center;color:var(--terracotta);
            font-size:14px;position:relative;
        }
        .brand-mark:after{content:"";position:absolute;width:7px;height:7px;background:var(--terracotta);border-radius:50%;right:3px;top:2px}
        .brand-text{font-size:17px;line-height:1.2}
        .brand-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.13em;font-weight:600;margin-top:3px}
        .nav{display:flex;align-items:center;gap:8px}
        .nav a{padding:9px 15px;border-radius:8px;color:#59675e;font-size:14px}
        .nav a:hover,.nav a.active{color:var(--deep);background:#e8e5d9}
        .nav a.active{font-weight:700;box-shadow:inset 0 -2px var(--terracotta)}
        .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:25px}
        .hero{
            min-height:650px;display:flex;align-items:center;
            position:relative;overflow:hidden;background:var(--deep);
            color:#fffdf8;
        }
        .hero:before{
            content:"";position:absolute;inset:0;
            background:linear-gradient(90deg,rgba(20,42,34,.94) 0%,rgba(20,42,34,.76) 46%,rgba(20,42,34,.26) 100%),url("/assets/images/backpic/back-1.png") center/cover;
        }
        .hero .container{position:relative;z-index:1;padding:90px 0}
        .hero-copy{max-width:720px}
        .eyebrow,.section-kicker{
            color:var(--clay);font-size:12px;font-weight:800;
            letter-spacing:.16em;text-transform:uppercase;
        }
        .hero h1{font-size:clamp(40px,6vw,76px);line-height:1.13;letter-spacing:-.045em;margin:18px 0 24px;max-width:760px}
        .hero h1 em{font-style:normal;color:#e9ad8a}
        .hero p{max-width:630px;color:#dbe0d8;font-size:18px;line-height:1.9}
        .hero-actions{display:flex;gap:13px;margin-top:35px;flex-wrap:wrap}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            min-height:48px;padding:0 21px;border-radius:9px;border:1px solid transparent;
            font-size:14px;font-weight:700;transition:all .25s ease;
        }
        .btn-primary{background:var(--terracotta);color:#fff}
        .btn-primary:hover{background:#9f5c3f;transform:translateY(-2px);box-shadow:0 8px 18px rgba(185,111,77,.28)}
        .btn-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);color:#fff}
        .btn-light:hover{background:#fff;color:var(--deep);transform:translateY(-2px)}
        .btn-outline{border-color:var(--olive);color:var(--olive);background:transparent}
        .btn-outline:hover{background:var(--olive);color:#fff}
        .hero-note{
            position:absolute;right:0;bottom:42px;border-left:2px solid var(--clay);
            padding-left:16px;color:#d7ddd4;font-size:13px;max-width:245px;
        }
        .section{padding:105px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
        .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.03em;margin-top:10px}
        .section-head p{max-width:410px;color:var(--muted);font-size:15px}
        .link-arrow{color:var(--terracotta);font-weight:700;font-size:14px;white-space:nowrap}
        .link-arrow:hover{color:var(--deep);transform:translateX(3px)}
        .keyword-strip{background:var(--warm);padding:64px 0}
        .keyword-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
        .keyword-item{background:var(--warm);padding:29px 30px;min-height:175px}
        .keyword-num{color:var(--terracotta);font-size:12px;font-weight:800;letter-spacing:.12em}
        .keyword-item h3{font-size:22px;margin:11px 0 7px}
        .keyword-item p{font-size:14px;color:var(--muted);line-height:1.7}
        .split-feature{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
        .feature-image{position:relative}
        .feature-image img{width:100%;aspect-ratio:1.18/1;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
        .image-tag{position:absolute;left:20px;bottom:20px;background:var(--cream);padding:9px 14px;border-radius:7px;color:var(--olive);font-size:13px;font-weight:700;box-shadow:var(--soft-shadow)}
        .feature-copy h2{font-size:clamp(30px,4vw,48px);line-height:1.25;margin:12px 0 19px}
        .feature-copy>p{color:var(--muted);font-size:16px}
        .feature-points{list-style:none;border-top:1px solid var(--line);margin:28px 0 30px}
        .feature-points li{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}
        .feature-points b{color:var(--terracotta);font-size:13px;min-width:24px}
        .topic-board{background:var(--cream)}
        .board-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
        .topic-large,.topic-small{border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);overflow:hidden}
        .topic-large{display:grid;grid-template-columns:.9fr 1.1fr;min-height:300px}
        .topic-large img{width:100%;height:100%;object-fit:cover}
        .topic-content{padding:30px}
        .badge{display:inline-flex;background:#e9ded2;color:#9d5e41;border-radius:5px;padding:3px 8px;font-size:11px;font-weight:800}
        .topic-content h3{font-size:25px;line-height:1.4;margin:15px 0 10px}
        .topic-content p{color:var(--muted);font-size:14px;margin-bottom:24px}
        .topic-small{padding:7px 22px}
        .small-row{display:block;padding:20px 0;border-bottom:1px solid var(--line)}
        .small-row:last-child{border-bottom:0}
        .small-row .row-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
        .small-row h4{font-size:17px;line-height:1.5;margin:7px 0;color:var(--ink)}
        .small-row:hover h4{color:var(--terracotta)}
        .updates{background:var(--paper)}
        .updates-list{border-top:1px solid var(--line)}
        .update-item{display:grid;grid-template-columns:115px 105px 1fr 100px;align-items:center;gap:20px;padding:23px 0;border-bottom:1px solid var(--line);transition:padding .25s ease}
        .update-item:hover{padding-left:10px;padding-right:10px;background:rgba(255,253,249,.55)}
        .update-date{font-size:13px;color:var(--muted)}
        .update-item h3{font-size:18px;line-height:1.45}
        .update-item p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .empty-state{padding:42px;text-align:center;border:1px dashed var(--line);color:var(--muted)}
        .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:75px}
        .faq-intro h2{font-size:40px;line-height:1.3;margin:12px 0 15px}
        .faq-intro p{color:var(--muted)}
        .faq-list details{border-top:1px solid var(--line);padding:20px 0}
        .faq-list details:last-child{border-bottom:1px solid var(--line)}
        .faq-list summary{cursor:pointer;list-style:none;font-weight:700;display:flex;justify-content:space-between;gap:20px}
        .faq-list summary::-webkit-details-marker{display:none}
        .faq-list summary:after{content:"＋";color:var(--terracotta);font-size:20px;line-height:1}
        .faq-list details[open] summary:after{content:"−"}
        .faq-list details p{color:var(--muted);font-size:14px;padding:12px 30px 0 0}
        .contact{padding:0 0 105px}
        .contact-box{background:var(--olive);color:#fff;padding:54px 58px;border-radius:var(--radius);display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}
        .contact-box h2{font-size:38px;line-height:1.3;margin:12px 0 14px}
        .contact-box p{color:#dce4db;font-size:14px}
        .contact-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        .field{display:flex;flex-direction:column;gap:6px}
        .field.full{grid-column:1/-1}
        .field label{font-size:13px;color:#edf1eb}
        .field input,.field textarea{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.35);border-radius:7px;color:#fff;padding:11px 13px;outline:none}
        .field input::placeholder,.field textarea::placeholder{color:#c2ccc3}
        .field input:focus,.field textarea:focus{border-color:#f0bd9d;box-shadow:0 0 0 3px rgba(240,189,157,.18)}
        .field textarea{min-height:95px;resize:vertical}
        .form-submit{grid-column:1/-1;display:flex;align-items:center;gap:15px;margin-top:4px}
        .form-tip{font-size:12px;color:#dce4db}
        .site-footer{background:var(--deep);color:#dfe5dc;padding:52px 0 24px}
        .footer-top{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:50px;padding-bottom:42px}
        .footer-brand p{color:#aebbb0;font-size:13px;max-width:330px;margin-top:16px}
        .footer-title{font-size:13px;color:#e9b18f;font-weight:700;margin-bottom:13px}
        .footer-links{list-style:none;display:grid;gap:8px}
        .footer-links a{color:#b5c1b7;font-size:13px}
        .footer-links a:hover{color:#fff}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;color:#95a49a;font-size:12px;display:flex;justify-content:space-between;gap:20px}
        .seal{display:inline-flex;border:1px solid rgba(233,177,143,.65);color:#e9b18f;padding:5px 9px;font-size:11px;letter-spacing:.12em;margin-top:23px}
        @media(max-width:1024px){
            .hero{min-height:590px}.split-feature{gap:40px}.faq-grid{gap:40px}
            .contact-box{gap:35px;padding:45px}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 34px))}
            .notice .container{white-space:nowrap;overflow:hidden}.notice .container span:last-child{display:none}
            .nav-wrap{height:68px}.menu-toggle{display:block}
            .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 17px 18px;border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow)}
            .nav.open{display:grid}.nav a{padding:12px 14px}
            .hero{min-height:610px}.hero .container{padding:75px 0}.hero-note{position:static;margin-top:44px}
            .section{padding:72px 0}.section-head{display:block;margin-bottom:30px}.section-head p{margin-top:14px}
            .keyword-grid{grid-template-columns:1fr}.keyword-item{min-height:auto}
            .split-feature,.faq-grid,.contact-box{grid-template-columns:1fr}
            .feature-copy{order:-1}.board-grid{grid-template-columns:1fr}.topic-large{grid-template-columns:1fr}
            .topic-large img{aspect-ratio:1.65/1}.update-item{grid-template-columns:85px 1fr 28px;gap:12px}
            .update-item p{grid-column:2}.update-item .link-arrow{font-size:0}.update-item .link-arrow:after{content:"→";font-size:20px}
            .contact-box{padding:36px 25px}.contact-box h2{font-size:31px}.contact-form{grid-template-columns:1fr}
            .field.full,.form-submit{grid-column:1}.form-submit{align-items:flex-start;flex-direction:column}
            .footer-top{grid-template-columns:1fr 1fr;gap:35px}.footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
        }
        @media(max-width:520px){
            .hero h1{font-size:42px}.hero p{font-size:16px}.hero-actions{display:grid}
            .hero-actions .btn{width:100%}.feature-copy h2{font-size:31px}
            .topic-content{padding:23px}.footer-top{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}.brand-text{font-size:15px}
        }

/* roulang page: article */
:root{
            --ink:#24382f;--deep:#172b24;--olive:#4d6656;--moss:#71816a;
            --terracotta:#b96f4d;--clay:#d88d67;--paper:#f7f3ec;--warm:#efe8dc;
            --cream:#fffdf9;--line:#ded6ca;--muted:#728078;
            --shadow:0 18px 45px rgba(40,50,42,.10);--soft-shadow:0 8px 22px rgba(43,58,48,.08);
            --radius:18px;--radius-sm:10px;--container:1180px
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,transform .25s ease,box-shadow .25s ease}
        img{display:block;max-width:100%;height:auto}
        button,input,textarea{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .notice{background:var(--deep);color:#dce4dc;font-size:13px;padding:7px 0}
        .notice .container{display:flex;justify-content:space-between;gap:20px;white-space:nowrap;overflow:hidden}
        .notice strong{color:#e9ad8a}
        .site-header{background:rgba(247,243,236,.94);border-bottom:1px solid rgba(222,214,202,.75);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.01em}
        .brand-mark{width:38px;height:38px;border:1px solid var(--terracotta);border-radius:50%;display:grid;place-items:center;color:var(--terracotta);font-size:14px;position:relative}
        .brand-mark:after{content:"";position:absolute;width:7px;height:7px;background:var(--terracotta);border-radius:50%;right:3px;top:2px}
        .brand-text{font-size:17px;line-height:1.2}
        .brand-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.13em;font-weight:600;margin-top:3px}
        .nav{display:flex;align-items:center;gap:8px}
        .nav a{padding:9px 15px;border-radius:8px;color:#59675e;font-size:14px}
        .nav a:hover,.nav a.active{color:var(--deep);background:#e8e5d9}
        .nav a.active{font-weight:700;box-shadow:inset 0 -2px var(--terracotta)}
        .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:25px}
        .article-banner{position:relative;overflow:hidden;background:var(--deep);color:#fffdf8;padding:78px 0 82px}
        .article-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,42,34,.94),rgba(20,42,34,.70),rgba(20,42,34,.38)),url("/assets/images/backpic/back-2.png") center/cover}
        .article-banner .container{position:relative;z-index:1}
        .eyebrow,.section-kicker{color:var(--clay);font-size:12px;font-weight:800;letter-spacing:.16em}
        .breadcrumb{display:flex;gap:9px;align-items:center;color:#c7d2c9;font-size:13px;margin-bottom:23px}
        .breadcrumb a:hover{color:#fff}
        .article-banner h1{font-size:clamp(34px,5vw,64px);line-height:1.2;letter-spacing:-.04em;max-width:900px;margin:12px 0 20px;overflow-wrap:anywhere}
        .article-meta{display:flex;flex-wrap:wrap;gap:12px 24px;color:#d6ded7;font-size:13px}
        .badge{display:inline-flex;background:#e9ded2;color:#9d5e41;border-radius:5px;padding:3px 8px;font-size:11px;font-weight:800}
        .article-layout{display:grid;grid-template-columns:minmax(0,800px) 270px;gap:68px;align-items:start;padding:82px 0}
        .article-main{min-width:0}
        .cover{width:100%;aspect-ratio:2/1;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:35px}
        .article-intro{background:var(--warm);border-left:3px solid var(--terracotta);padding:20px 24px;margin-bottom:36px;color:#536158}
        .article-content{font-size:17px;line-height:2.05}
        .article-content h2{font-size:30px;line-height:1.35;margin:46px 0 18px;color:var(--deep)}
        .article-content h3{font-size:23px;line-height:1.45;margin:34px 0 13px;color:var(--olive)}
        .article-content p{margin:0 0 22px}
        .article-content ul,.article-content ol{padding-left:1.5em;margin:18px 0 26px}
        .article-content li{margin:7px 0}
        .article-content blockquote{margin:30px 0;padding:20px 25px;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--olive)}
        .article-content img{border-radius:var(--radius-sm);margin:28px auto}
        .article-content table{width:100%;border-collapse:collapse;margin:28px 0;background:var(--cream)}
        .article-content th,.article-content td{padding:11px 14px;border:1px solid var(--line);text-align:left}
        .article-content th{background:var(--warm);color:var(--deep)}
        .side-card{position:sticky;top:110px;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--soft-shadow)}
        .side-card h3{font-size:18px;margin:0 0 15px}
        .side-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
        .side-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
        .side-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
        .side-list a:hover{color:var(--terracotta)}
        .article-end{border-top:1px solid var(--line);margin-top:48px;padding-top:23px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:14px}
        .article-end a{color:var(--terracotta);font-weight:700}
        .empty-state{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:65px 30px;text-align:center}
        .empty-state h2{margin:0 0 12px;font-size:30px;color:var(--deep)}
        .empty-state p{color:var(--muted);margin:0 0 25px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 21px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:700;transition:all .25s ease}
        .btn-primary{background:var(--terracotta);color:#fff}
        .btn-primary:hover{background:#9f5c3f;color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(185,111,77,.28)}
        .btn-outline{border-color:var(--olive);color:var(--olive);background:transparent}
        .btn-outline:hover{background:var(--olive);color:#fff;transform:translateY(-2px)}
        .cta{background:var(--olive);color:#fff;padding:58px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}
        .cta h2{font-size:clamp(27px,4vw,40px);line-height:1.3;margin:0 0 9px}
        .cta p{color:#dce4dc;margin:0;max-width:620px}
        .cta .btn{background:var(--cream);color:var(--deep)}
        .cta .btn:hover{background:#fff;color:var(--terracotta)}
        .site-footer{background:var(--deep);color:#d8e0d8;padding:62px 0 22px}
        .footer-top{display:grid;grid-template-columns:1.6fr .7fr .9fr;gap:65px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.16)}
        .footer-brand .brand{color:#fff}
        .footer-brand p{color:#aab8ad;max-width:410px;font-size:14px;margin:20px 0 0}
        .footer-title{font-size:13px;color:#e9ad8a;font-weight:800;margin-bottom:15px}
        .footer-links{list-style:none;padding:0;margin:0}
        .footer-links li{margin:7px 0;color:#b7c3b9;font-size:14px}
        .footer-links a:hover{color:#fff}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#8fa095;font-size:12px}
        a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(216,141,103,.65);outline-offset:3px}
        @media(max-width:900px){.article-layout{grid-template-columns:1fr;gap:35px}.side-card{position:static}.footer-top{gap:30px}}
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .nav{display:none;position:absolute;left:16px;right:16px;top:70px;padding:10px;background:var(--cream);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav.open{display:flex}.nav a{padding:12px 15px}.menu-toggle{display:block}
            .nav-wrap{height:70px}.article-banner{padding:57px 0 62px}.article-layout{padding:55px 0}
            .article-content{font-size:16px;line-height:1.95}.article-content h2{font-size:26px}
            .cta-inner{align-items:flex-start;flex-direction:column}.cta .btn{width:100%}
            .footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:5px}
        }
        @media(max-width:520px){
            .notice .container{font-size:12px}.brand-text{font-size:14px}.brand-text small{font-size:9px}
            .article-banner h1{font-size:34px}.article-meta{gap:7px 14px}.cover{aspect-ratio:1.45/1}
            .article-end{flex-direction:column}.footer-top{grid-template-columns:1fr}
        }

/* roulang page: category1 */
:root{
            --ink:#24382f;
            --deep:#172b24;
            --olive:#4d6656;
            --moss:#71816a;
            --terracotta:#b96f4d;
            --clay:#d88d67;
            --paper:#f7f3ec;
            --warm:#efe8dc;
            --cream:#fffdf9;
            --line:#ded6ca;
            --muted:#728078;
            --shadow:0 18px 45px rgba(40,50,42,.10);
            --soft-shadow:0 8px 22px rgba(43,58,48,.08);
            --radius:18px;
            --radius-sm:10px;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;color:var(--ink);background:var(--paper);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,transform .25s ease,box-shadow .25s ease}
        img{display:block;max-width:100%;height:auto}
        button,input,textarea{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(216,141,103,.55);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .notice{background:var(--deep);color:#dfe5dd;font-size:13px;overflow:hidden}
        .notice .container{min-height:39px;display:flex;align-items:center;justify-content:space-between;gap:20px}
        .notice strong{color:#efb08b;font-weight:700}
        .notice-note{white-space:nowrap;color:#b9c5bd}
        .site-header{
            background:rgba(247,243,236,.94);border-bottom:1px solid rgba(222,214,202,.75);
            position:sticky;top:0;z-index:20;backdrop-filter:blur(12px);
        }
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.01em}
        .brand-mark{
            width:38px;height:38px;border:1px solid var(--terracotta);border-radius:50%;
            display:grid;place-items:center;color:var(--terracotta);font-size:14px;position:relative;flex:none;
        }
        .brand-mark:after{content:"";position:absolute;width:7px;height:7px;background:var(--terracotta);border-radius:50%;right:3px;top:2px}
        .brand-text{font-size:17px;line-height:1.2}
        .brand-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.13em;font-weight:600;margin-top:3px}
        .nav{display:flex;align-items:center;gap:8px}
        .nav a{padding:9px 15px;border-radius:8px;color:#59675e;font-size:14px}
        .nav a:hover,.nav a.active{color:var(--deep);background:#e8e5d9}
        .nav a.active{font-weight:700;box-shadow:inset 0 -2px var(--terracotta)}
        .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:25px;padding:8px}
        .inner-hero{
            position:relative;isolation:isolate;overflow:hidden;color:#fffdf8;
            background:var(--deep);min-height:440px;display:flex;align-items:center;
        }
        .inner-hero:before{
            content:"";position:absolute;inset:0;z-index:-2;
            background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
        }
        .inner-hero:after{
            content:"";position:absolute;inset:0;z-index:-1;
            background:linear-gradient(100deg,rgba(23,43,36,.96) 5%,rgba(23,43,36,.86) 47%,rgba(23,43,36,.44) 100%);
        }
        .hero-inner{padding:76px 0 82px}
        .breadcrumb{display:flex;gap:10px;align-items:center;color:#d3ddd4;font-size:13px;margin-bottom:20px}
        .breadcrumb a:hover{color:#efb08b}
        .breadcrumb span:last-child{color:#fff}
        .breadcrumb i{font-style:normal;color:#94a99b}
        .eyebrow,.section-kicker{
            color:var(--clay);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
        }
        h1,h2,h3,p{margin-top:0}
        .inner-hero h1{font-size:clamp(40px,5.6vw,68px);line-height:1.16;letter-spacing:-.045em;margin:15px 0 20px;max-width:790px}
        .inner-hero h1 em{font-style:normal;color:#e9ad8a}
        .hero-lead{max-width:690px;font-size:17px;line-height:1.9;color:#dbe3da;margin-bottom:0}
        .hero-stamp{
            margin-top:29px;display:inline-flex;align-items:center;gap:10px;padding:8px 13px;
            background:rgba(255,253,249,.1);border:1px solid rgba(255,255,255,.22);font-size:13px;color:#edf0eb;
        }
        .stamp-dot{width:7px;height:7px;background:var(--clay);border-radius:50%}
        .section{padding:100px 0}
        .section-warm{background:var(--warm)}
        .section-deep{background:var(--deep);color:#fffdf8}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
        .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.03em;margin:10px 0 0}
        .section-head p{max-width:440px;color:var(--muted);font-size:15px;margin-bottom:0}
        .section-deep .section-head p{color:#c3d0c5}
        .link-arrow{display:inline-flex;align-items:center;gap:7px;color:var(--terracotta);font-weight:700;font-size:14px;white-space:nowrap}
        .link-arrow:hover{color:var(--deep);transform:translateX(3px)}
        .topic-nav{display:flex;flex-wrap:wrap;gap:10px;padding:25px 0;border-bottom:1px solid var(--line)}
        .topic-nav a{
            padding:8px 14px;border:1px solid var(--line);border-radius:7px;background:var(--cream);
            color:var(--olive);font-size:13px;font-weight:700;
        }
        .topic-nav a:hover{border-color:var(--terracotta);color:var(--terracotta);transform:translateY(-2px)}
        .guide-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:70px;align-items:start}
        .guide-intro{position:sticky;top:108px}
        .guide-intro h2{font-size:clamp(30px,4vw,48px);line-height:1.24;letter-spacing:-.035em;margin:12px 0 19px}
        .guide-intro p{color:var(--muted);font-size:16px}
        .guide-image{margin-top:31px;position:relative}
        .guide-image img{width:100%;aspect-ratio:1.15/1;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
        .image-label{
            position:absolute;right:16px;bottom:16px;padding:8px 12px;background:var(--cream);
            color:var(--olive);font-size:12px;font-weight:800;border-radius:6px;box-shadow:var(--soft-shadow);
        }
        .route-list{border-top:1px solid var(--line)}
        .route-item{
            display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
            padding:27px 0;border-bottom:1px solid var(--line);
        }
        .route-num{color:var(--terracotta);font-size:13px;font-weight:800;letter-spacing:.08em}
        .route-item h3{font-size:22px;line-height:1.35;margin:0 0 7px}
        .route-item p{color:var(--muted);font-size:14px;line-height:1.75;margin:0}
        .route-arrow{
            width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);
            border-radius:50%;color:var(--terracotta);font-size:20px;
        }
        .route-item:hover .route-arrow{background:var(--terracotta);border-color:var(--terracotta);color:#fff;transform:translateX(3px)}
        .signal-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}
        .feature-panel{
            position:relative;min-height:475px;overflow:hidden;border-radius:var(--radius);background:var(--olive);
        }
        .feature-panel img{width:100%;height:100%;object-fit:cover}
        .feature-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(17,38,30,.92),rgba(17,38,30,.08) 72%)}
        .feature-content{position:absolute;z-index:1;left:36px;right:36px;bottom:32px;color:#fff}
        .badge{display:inline-flex;background:#e9ded2;color:#9d5e41;border-radius:5px;padding:3px 8px;font-size:11px;font-weight:800}
        .feature-content h3{font-size:30px;line-height:1.3;margin:13px 0 10px}
        .feature-content p{color:#dbe4dc;font-size:14px;margin-bottom:18px}
        .feature-content .link-arrow{color:#efb08b}
        .signal-side{display:grid;gap:20px}
        .signal-card{
            background:var(--cream);border:1px solid var(--line);border-radius:var(--radius-sm);
            padding:28px 29px;display:flex;gap:20px;align-items:flex-start;box-shadow:0 3px 12px rgba(40,50,42,.025);
        }
        .signal-card:hover{transform:translateY(-4px);box-shadow:var(--soft-shadow);border-color:#cfc1b2}
        .signal-icon{
            width:43px;height:43px;flex:none;border-radius:9px;background:#e6ece5;color:var(--olive);
            display:grid;place-items:center;font-weight:800;font-size:15px;
        }
        .signal-card h3{font-size:20px;margin:0 0 7px;line-height:1.35}
        .signal-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 10px}
        .term-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.2)}
        .term-card{padding:30px;background:rgba(255,255,255,.055)}
        .term-card h3{font-size:21px;color:#efb08b;margin:9px 0}
        .term-card p{font-size:14px;line-height:1.8;color:#d3ded5;margin:0}
        .term-no{font-size:12px;letter-spacing:.14em;color:#9cb0a1;font-weight:800}
        .faq-wrap{max-width:900px;margin:0 auto}
        .faq-item{border-top:1px solid var(--line)}
        .faq-item:last-child{border-bottom:1px solid var(--line)}
        .faq-question{
            width:100%;border:0;background:transparent;padding:23px 0;color:var(--ink);
            display:flex;align-items:center;justify-content:space-between;gap:25px;text-align:left;font-size:17px;font-weight:800;
        }
        .faq-symbol{
            width:28px;height:28px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;
            flex:none;color:var(--terracotta);font-size:20px;font-weight:400;transition:transform .25s ease,background .25s ease;
        }
        .faq-answer{display:none;padding:0 55px 24px 0;color:var(--muted);font-size:15px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-symbol{transform:rotate(45deg);background:#f1e1d8;border-color:#e3ba9f}
        .cta-box{
            display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center;padding:46px 52px;
            background:var(--terracotta);color:#fff;border-radius:var(--radius);position:relative;overflow:hidden;
        }
        .cta-box:after{
            content:"今";position:absolute;right:26px;bottom:-62px;font-size:190px;line-height:1;color:rgba(255,255,255,.11);font-weight:900;
        }
        .cta-box>*{position:relative;z-index:1}
        .cta-box h2{font-size:clamp(27px,3.4vw,40px);line-height:1.25;margin:0 0 10px}
        .cta-box p{margin:0;color:#fff2e9;max-width:640px;font-size:15px}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 21px;
            border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:700;transition:all .25s ease;
        }
        .btn-primary{background:var(--terracotta);color:#fff}
        .btn-primary:hover{background:#9f5c3f;color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(185,111,77,.28)}
        .btn-light{background:var(--cream);border-color:var(--cream);color:var(--deep)}
        .btn-light:hover{background:var(--deep);border-color:var(--deep);color:#fff;transform:translateY(-2px)}
        .site-footer{background:#14271f;color:#d6dfd7;padding:70px 0 25px;margin-top:100px}
        .footer-top{display:grid;grid-template-columns:1.7fr .7fr .8fr;gap:55px;padding-bottom:49px}
        .site-footer .brand{color:#fffdf8}
        .site-footer .brand-text small{color:#9eb0a1}
        .site-footer .brand-mark{border-color:var(--clay);color:var(--clay)}
        .site-footer .brand-mark:after{background:var(--clay)}
        .footer-brand p{max-width:410px;font-size:14px;line-height:1.8;color:#aebcaf;margin:20px 0 0}
        .footer-title{font-size:13px;color:#efb08b;font-weight:800;letter-spacing:.08em;margin-bottom:15px}
        .footer-links{padding:0;margin:0;list-style:none}
        .footer-links li{margin:8px 0}
        .footer-links a{font-size:14px;color:#cdd7ce}
        .footer-links a:hover{color:#fff;transform:translateX(3px);display:inline-block}
        .footer-bottom{padding-top:22px;border-top:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:20px;color:#94a79a;font-size:12px}
        @media(max-width:1024px){
            .guide-layout{gap:42px}
            .guide-intro{position:static}
            .section{padding:82px 0}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .notice .container{justify-content:flex-start;overflow:auto;white-space:nowrap}
            .notice-note{display:none}
            .nav-wrap{height:70px}
            .menu-toggle{display:block}
            .nav{
                display:none;position:absolute;top:70px;left:0;right:0;padding:13px 16px 18px;background:var(--paper);
                border-bottom:1px solid var(--line);box-shadow:var(--soft-shadow);flex-direction:column;align-items:stretch;
            }
            .nav.open{display:flex}
            .nav a{padding:12px 14px}
            .brand-text{font-size:14px}
            .brand-text small{font-size:9px}
            .hero-inner{padding:56px 0 63px}
            .inner-hero{min-height:395px}
            .inner-hero h1{font-size:42px}
            .hero-lead{font-size:16px}
            .section{padding:68px 0}
            .section-head{display:block;margin-bottom:30px}
            .section-head p{margin-top:15px}
            .guide-layout,.signal-grid{grid-template-columns:1fr}
            .guide-image{max-width:540px}
            .route-item{grid-template-columns:47px 1fr auto;gap:12px}
            .route-item h3{font-size:19px}
            .term-grid{grid-template-columns:1fr}
            .feature-panel{min-height:390px}
            .cta-box{grid-template-columns:1fr;padding:36px 30px}
            .site-footer{margin-top:68px;padding-top:55px}
            .footer-top{grid-template-columns:1fr 1fr;gap:35px}
            .footer-brand{grid-column:1/-1}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 28px)}
            .inner-hero h1{font-size:35px}
            .breadcrumb{font-size:12px;overflow:hidden;white-space:nowrap}
            .hero-stamp{font-size:12px}
            .topic-nav{gap:8px}
            .topic-nav a{font-size:12px;padding:7px 10px}
            .route-item{grid-template-columns:1fr auto;padding:23px 0}
            .route-num{grid-column:1/-1}
            .route-item p{font-size:13px}
            .signal-card{padding:22px 19px;gap:14px}
            .feature-content{left:23px;right:23px;bottom:24px}
            .feature-content h3{font-size:25px}
            .faq-question{font-size:16px;padding:19px 0}
            .faq-answer{padding-right:0;font-size:14px}
            .cta-box{padding:30px 23px}
            .cta-box .btn{width:100%}
            .footer-top{grid-template-columns:1fr;gap:28px}
            .footer-brand{grid-column:auto}
            .footer-bottom{display:block}
            .footer-bottom span{display:block;margin:5px 0}
        }