/* roulang page: index */
:root{
            --blue:#1f5f9e;
            --blue-dark:#123b63;
            --blue-soft:#eaf4fb;
            --blue-pale:#f3f8fc;
            --ink:#18334c;
            --muted:#667b8e;
            --line:#dbe7f0;
            --paper:#fff;
            --bg:#f7f9fb;
            --teal:#228c84;
            --amber:#d98b27;
            --red:#b94f56;
            --radius:16px;
            --shadow:0 10px 30px rgba(20,59,99,.08);
            --shadow-hover:0 16px 34px rgba(20,59,99,.14);
            --ease:220ms ease;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--bg);
            font:15px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        button,input,select,textarea{font:inherit}
        button{cursor:pointer}
        img{max-width:100%;display:block}
        :focus-visible{outline:3px solid rgba(31,95,158,.35);outline-offset:3px}
        .topline{height:4px;background:var(--blue)}
        .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);
            border-bottom:1px solid rgba(219,231,240,.8);transition:box-shadow var(--ease)
        }
        .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
        .logo{display:flex;align-items:center;gap:10px;min-width:205px;font-weight:800;font-size:20px;letter-spacing:-.5px;color:var(--blue-dark)}
        .logo-mark{width:30px;height:30px;border:2px solid var(--blue);border-radius:9px;position:relative;display:inline-block}
        .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--blue)}
        .logo-mark:before{width:13px;height:3px;left:6px;top:8px;box-shadow:0 6px 0 var(--teal)}
        .logo-mark:after{width:6px;height:3px;left:6px;top:20px}
        .nav-links{display:flex;align-items:center;gap:7px;flex:1}
        .nav-links a{padding:9px 14px;border-radius:10px;color:#536b7f;transition:background var(--ease),color var(--ease)}
        .nav-links a:hover{background:var(--blue-pale);color:var(--blue-dark)}
        .nav-links a.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:700;box-shadow:inset 0 -2px var(--blue)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:700;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
        .nav-cta,.btn-primary{background:var(--blue);color:#fff;box-shadow:0 7px 16px rgba(31,95,158,.18)}
        .nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 10px 20px rgba(18,59,99,.2)}
        .btn-secondary{background:#fff;color:var(--blue-dark);border-color:#b8d1e3}
        .btn-secondary:hover{background:var(--blue-pale);border-color:var(--blue);transform:translateY(-2px)}
        .menu-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;color:var(--blue-dark);border-radius:9px;min-height:42px;padding:0 13px}
        .hero{padding:68px 0 48px;background:linear-gradient(180deg,#fff 0%,#f4f9fc 100%)}
        .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:55px;align-items:center}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:22px;height:2px;background:var(--teal)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(34px,4.5vw,52px);line-height:1.2;letter-spacing:-1.8px;margin:16px 0 18px;color:var(--blue-dark)}
        .hero-copy{font-size:17px;color:#526b80;max-width:600px;margin-bottom:27px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-stage{min-height:330px;position:relative;border:1px solid #cfe0ec;border-radius:22px;background:#fff;box-shadow:var(--shadow);overflow:hidden;padding:25px}
        .hero-stage:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(31,95,158,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(31,95,158,.06) 1px,transparent 1px);background-size:28px 28px}
        .stage-head,.stage-content{position:relative;z-index:1}
        .stage-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line)}
        .stage-title{font-weight:800;color:var(--blue-dark)}
        .status{display:inline-flex;align-items:center;gap:7px;padding:5px 9px;border-radius:8px;background:#e7f6f3;color:#176d67;font-size:12px;font-weight:700}
        .status i{width:7px;height:7px;border-radius:50%;background:var(--teal)}
        .stage-content{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
        .stage-panel{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:13px;padding:16px}
        .stage-panel.wide{grid-column:span 2}
        .stage-label{font-size:12px;color:var(--muted);display:block}
        .stage-num{font:700 28px/1.2 "Arial",sans-serif;color:var(--blue-dark);font-variant-numeric:tabular-nums}
        .trend{height:42px;margin-top:8px;position:relative;border-bottom:2px solid #c7deed}
        .trend:after{content:"";position:absolute;left:0;right:0;bottom:3px;height:28px;background:linear-gradient(145deg,transparent 12%,var(--teal) 13%,var(--teal) 15%,transparent 16%,transparent 33%,var(--blue) 34%,var(--blue) 36%,transparent 37%,transparent 64%,var(--blue) 65%,var(--blue) 67%,transparent 68%);opacity:.8}
        .play-badge{position:absolute;right:24px;bottom:22px;border:1px solid #b8d1e3;border-radius:30px;background:#fff;color:var(--blue-dark);padding:8px 14px;font-size:13px;font-weight:700;z-index:2}
        .trust-strip{display:flex;gap:25px;flex-wrap:wrap;margin-top:37px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
        .trust-strip span:before{content:"✓";color:var(--teal);font-weight:800;margin-right:7px}
        .section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}
        .section-kicker{letter-spacing:.05em}
        h2{font-size:32px;line-height:1.3;color:var(--blue-dark);margin:10px 0 8px;letter-spacing:-.8px}
        .section-head p{color:var(--muted);max-width:620px;margin:0}
        .anchor-link{color:var(--blue);font-weight:700;font-size:14px;white-space:nowrap}
        .anchor-link:after{content:" →";transition:margin var(--ease)}
        .anchor-link:hover:after{margin-left:5px}
        .metrics{display:grid;grid-template-columns:1.45fr .85fr .85fr .85fr;gap:16px}
        .metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);min-height:164px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
        .metric-card:hover,.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#a9c8df}
        .metric-card.featured{background:var(--blue-dark);color:#fff;border-color:var(--blue-dark)}
        .metric-card.featured .muted,.metric-card.featured .stage-label{color:#b9d0e1}
        .metric-top{display:flex;justify-content:space-between;gap:10px}
        .index{font:700 13px/1 "Arial",sans-serif;color:var(--blue);letter-spacing:.08em}
        .featured .index{color:#86c9cc}
        .metric-card h3{font-size:18px;margin:12px 0 3px}
        .metric-value{font:700 34px/1.2 Arial,sans-serif;font-variant-numeric:tabular-nums}
        .metric-note{font-size:13px;color:var(--muted);margin:8px 0 0}
        .mini-bars{display:flex;align-items:end;height:48px;gap:7px;margin-top:17px}
        .mini-bars b{display:block;flex:1;background:#6fa8ce;border-radius:4px 4px 0 0}
        .mini-bars b:nth-child(1){height:35%}.mini-bars b:nth-child(2){height:55%}.mini-bars b:nth-child(3){height:45%}.mini-bars b:nth-child(4){height:78%}.mini-bars b:nth-child(5){height:92%}
        .matrix{display:grid;grid-template-columns:1.18fr .82fr .82fr;gap:16px}
        .matrix-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
        .matrix-card.primary{grid-row:span 2;background:var(--blue-soft);position:relative;overflow:hidden}
        .matrix-card.primary:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(31,95,158,.15);border-radius:50%;right:-70px;bottom:-65px;box-shadow:0 0 0 18px rgba(31,95,158,.04),0 0 0 38px rgba(31,95,158,.03)}
        .matrix-card h3{font-size:20px;margin:14px 0 8px;color:var(--blue-dark)}
        .matrix-card p{color:var(--muted);font-size:14px;margin-bottom:13px}
        .matrix-list{list-style:none;padding:0;margin:15px 0 20px}
        .matrix-list li{padding:6px 0;color:#36566e;font-size:14px}
        .matrix-list li:before{content:"＋";color:var(--teal);font-weight:800;margin-right:8px}
        .tag{display:inline-block;padding:4px 9px;border-radius:7px;background:#e6f2fa;color:var(--blue-dark);font-size:12px;font-weight:700}
        .matrix-card.primary .tag{background:#fff}
        .compare-section{background:#fff}
        .progress-line{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}
        .progress-line b{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue)}
        .progress-line i{width:30px;height:1px;background:#b9d1e1}
        .compare{display:grid;grid-template-columns:1fr 52px 1fr;align-items:stretch}
        .compare-card{border:1px solid var(--line);border-radius:var(--radius);padding:27px}
        .compare-card.before{background:#f7f9fb}
        .compare-card.after{background:var(--blue-soft);border-color:#c7dfef}
        .compare-card h3{font-size:20px;color:var(--blue-dark);margin-bottom:17px}
        .compare-card ul{list-style:none;margin:0;padding:0}
        .compare-card li{padding:9px 0;border-bottom:1px dashed #cfdae2;color:#4e687c}
        .compare-card li:last-child{border-bottom:0}
        .compare-card.after li:before{content:"✓";color:var(--teal);font-weight:800;margin-right:9px}
        .compare-connector{display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:22px;position:relative}
        .compare-connector:before{content:"";position:absolute;top:25px;bottom:25px;width:1px;background:#bed3e2}
        .compare-connector span{position:relative;background:#fff;border:1px solid #bed3e2;width:34px;height:34px;border-radius:50%;display:grid;place-items:center}
        .faq-layout{display:grid;grid-template-columns:.82fr 1.5fr;gap:60px}
        .faq-intro p{color:var(--muted)}
        .faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:0 20px;box-shadow:0 5px 17px rgba(20,59,99,.04)}
        .faq-list summary{list-style:none;cursor:pointer;padding:17px 28px 17px 0;font-weight:700;color:var(--blue-dark);position:relative}
        .faq-list summary::-webkit-details-marker{display:none}
        .faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:21px;top:14px}
        .faq-list details[open]{border-left:3px solid var(--blue)}
        .faq-list details[open] summary:after{content:"−"}
        .faq-answer{color:var(--muted);padding:0 0 18px;max-width:680px}
        .form-section{padding-top:30px;padding-bottom:94px}
        .cta-board{background:var(--blue-soft);border:1px solid #c9dfed;border-radius:22px;padding:42px;display:grid;grid-template-columns:.85fr 1.15fr;gap:50px}
        .cta-board h2{margin-top:7px}
        .step-list{list-style:none;padding:0;margin:24px 0}
        .step-list li{display:flex;gap:12px;margin:12px 0;color:#4d687d}
        .step-list b{width:25px;height:25px;display:grid;place-items:center;border-radius:7px;background:#fff;color:var(--blue);font-size:12px}
        .privacy{font-size:12px;color:var(--muted)}
        .form-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:var(--shadow)}
        .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
        .field{display:flex;flex-direction:column;gap:6px}
        .field.full{grid-column:span 2}
        label{font-size:13px;font-weight:700;color:var(--blue-dark)}
        .required{color:var(--red);margin-left:3px}
        input,select,textarea{width:100%;border:1px solid #cbdbe6;border-radius:9px;background:#fff;color:var(--ink);padding:11px 12px;min-height:46px;transition:border var(--ease),box-shadow var(--ease)}
        textarea{min-height:105px;resize:vertical}
        input:hover,select:hover,textarea:hover{border-color:#8fb4cf}
        input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,95,158,.12);outline:0}
        .field-error{display:none;color:var(--red);font-size:12px}
        .form-submit{margin-top:18px;display:flex;align-items:center;gap:15px;flex-wrap:wrap}
        .form-message{font-size:13px;color:var(--teal);display:none}
        .site-footer{background:#163955;color:#c7d8e4;padding:52px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:45px;padding-bottom:35px}
        .footer-logo{color:#fff;font-size:19px;font-weight:800;margin-bottom:10px}
        .footer-copy{max-width:330px;color:#aac1d0;font-size:13px}
        .footer-title{color:#fff;font-weight:700;margin-bottom:12px}
        .footer-links{display:grid;gap:7px;font-size:13px}
        .footer-links a{color:#aac1d0;transition:color var(--ease)}
        .footer-links a:hover{color:#fff;text-decoration:underline}
        .copyright{border-top:1px solid rgba(199,216,228,.17);padding-top:18px;color:#9eb7c7;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
        @media(max-width:1000px){
            .nav-links{gap:0}.nav-links a{padding:8px 9px}.logo{min-width:185px}
            .metrics{grid-template-columns:1.4fr 1fr 1fr}.metrics .metric-card:last-child{grid-column:span 1}
            .matrix{grid-template-columns:1fr 1fr}.matrix-card.primary{grid-row:span 2}
        }
        @media(max-width:900px){
            .nav-wrap{height:68px}.menu-toggle{display:block}
            .nav-links{position:absolute;left:20px;right:20px;top:76px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:13px;padding:10px;box-shadow:var(--shadow)}
            .nav-links.open{display:flex}.nav-links a{padding:12px}.nav-cta{display:none}
            .nav-links .mobile-cta{display:flex;margin-top:6px}
            .hero-grid,.cta-board{grid-template-columns:1fr;gap:30px}.hero{padding-top:48px}
            .faq-layout{grid-template-columns:1fr;gap:25px}
        }
        @media(min-width:901px){.mobile-cta{display:none}}
        @media(max-width:700px){
            .container{width:min(100% - 36px,600px)}
            .section{padding:58px 0}.section-head{display:block}.section-head .anchor-link{display:inline-block;margin-top:13px}
            .metrics{grid-template-columns:1fr 1fr}.metrics .featured{grid-column:span 2}
            .matrix{grid-template-columns:1fr}.matrix-card.primary{grid-row:auto}
            .compare{grid-template-columns:1fr;gap:12px}.compare-connector{height:35px}.compare-connector:before{left:50%;top:0;bottom:0}.compare-connector span{transform:rotate(90deg)}
            .cta-board{padding:25px 20px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:span 2}
        }
        @media(max-width:480px){
            h1{font-size:34px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}
            .hero-stage{min-height:290px;padding:18px}.stage-content{gap:9px}.stage-panel{padding:12px}.stage-num{font-size:24px}
            .metrics{grid-template-columns:1fr}.metrics .featured{grid-column:auto}
            .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: category1 */
:root{
 --blue:#1f5f9e;--blue-dark:#123b63;--blue-soft:#eaf4fb;--blue-pale:#f3f8fc;
 --ink:#18334c;--muted:#667b8e;--line:#dbe7f0;--paper:#fff;--bg:#f7f9fb;
 --teal:#228c84;--amber:#d98b27;--red:#b94f56;--radius:16px;
 --shadow:0 10px 30px rgba(20,59,99,.08);--shadow-hover:0 16px 34px rgba(20,59,99,.14);
 --ease:220ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);font:15px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button,input,select,textarea,a,summary{outline:none}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(31,95,158,.34);outline-offset:3px}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-top:4px solid var(--blue);border-bottom:1px solid rgba(219,231,240,.85);transition:box-shadow var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(18,59,99,.09)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;min-width:205px;font-weight:800;font-size:20px;letter-spacing:-.5px;color:var(--blue-dark)}
.logo-mark{width:30px;height:30px;border:2px solid var(--blue);border-radius:9px;position:relative;display:inline-block;flex:none}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--blue)}
.logo-mark:before{width:13px;height:3px;left:6px;top:8px;box-shadow:0 6px 0 var(--teal)}
.logo-mark:after{width:6px;height:3px;left:6px;top:20px}
.nav-links{display:flex;align-items:center;gap:7px;flex:1}
.nav-links a{padding:9px 14px;border-radius:10px;color:#536b7f;transition:background var(--ease),color var(--ease)}
.nav-links a:hover{background:var(--blue-pale);color:var(--blue-dark)}
.nav-links a.active{background:var(--blue-soft);color:var(--blue-dark);font-weight:700;box-shadow:inset 0 -2px var(--blue)}
.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:700;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
.nav-cta,.btn-primary{background:var(--blue);color:#fff;box-shadow:0 7px 16px rgba(31,95,158,.18)}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 10px 20px rgba(18,59,99,.2)}
.btn-secondary{background:#fff;color:var(--blue-dark);border-color:#b8d1e3}
.btn-secondary:hover{background:var(--blue-pale);border-color:var(--blue);transform:translateY(-2px)}
.btn:active,.nav-cta:active{transform:translateY(1px)}
.menu-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;color:var(--blue-dark);border-radius:9px;min-height:42px;padding:0 13px;font-weight:700}
.mobile-cta{display:none}
.channel-hero{padding:58px 0 43px;background:linear-gradient(180deg,#fff 0%,#f1f7fb 100%);border-bottom:1px solid var(--line);overflow:hidden}
.channel-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:16px}
.crumbs span{color:#9ab0c0}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.06em}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--teal)}
h1,h2,h3,p{margin-top:0}
h1{margin-bottom:16px;font-size:46px;line-height:1.22;letter-spacing:-1.4px;color:var(--blue-dark)}
h2{font-size:30px;line-height:1.35;letter-spacing:-.5px;color:var(--blue-dark);margin-bottom:9px}
h3{font-size:19px;line-height:1.45;color:var(--blue-dark)}
.hero-copy{font-size:16px;color:#526b80;max-width:620px;margin-bottom:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.index-board{position:relative;min-height:278px;background:#fff;border:1px solid #cfe0ec;border-radius:21px;padding:23px;box-shadow:var(--shadow);overflow:hidden}
.index-board:before{content:"";position:absolute;inset:0;opacity:.8;background-image:linear-gradient(rgba(31,95,158,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(31,95,158,.06) 1px,transparent 1px);background-size:28px 28px}
.board-top,.board-lines,.node-row{position:relative;z-index:1}
.board-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid var(--line)}
.board-title{font-weight:800;color:var(--blue-dark)}
.status{display:inline-flex;align-items:center;gap:6px;color:#176b65;background:#e7f5f2;border-radius:20px;padding:5px 9px;font-size:12px;font-weight:800}
.status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}
.board-lines{display:grid;gap:13px;margin-top:22px}
.line-item{display:grid;grid-template-columns:30px 1fr 36px;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.line-item b{font-size:13px;color:var(--blue-dark)}
.track{height:7px;border-radius:7px;background:#e3edf4;overflow:hidden}
.track i{display:block;height:100%;border-radius:7px;background:var(--blue)}
.track i.teal{background:var(--teal)}
.track i.amber{background:var(--amber)}
.node-row{display:flex;justify-content:space-between;margin-top:22px;padding-top:16px;border-top:1px dashed #c8dce9}
.node{font-size:12px;font-weight:700;color:#557086;text-align:center}
.node:before{content:"";display:block;width:12px;height:12px;margin:0 auto 5px;border-radius:50%;background:#fff;border:3px solid #7caacc}
.node.current:before{border-color:var(--teal);box-shadow:0 0 0 4px rgba(34,140,132,.12)}
.filter-band{background:#fff;border-bottom:1px solid var(--line)}
.filter-track{display:flex;align-items:center;gap:10px;padding:17px 0;overflow:auto;scrollbar-width:none}
.filter-track::-webkit-scrollbar{display:none}
.filter-label{flex:none;color:var(--muted);font-size:13px;font-weight:700;margin-right:4px}
.filter-chip{flex:none;display:inline-flex;align-items:center;min-height:36px;padding:0 13px;border:1px solid var(--line);border-radius:999px;color:#557086;background:#fff;font-size:13px;font-weight:700;transition:var(--ease)}
.filter-chip:hover{background:var(--blue-pale);border-color:#afccdf;color:var(--blue-dark)}
.filter-chip.active{background:var(--blue-dark);border-color:var(--blue-dark);color:#fff}
.section{padding:78px 0}
.content-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:32px;align-items:start}
.side-index{position:sticky;top:101px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.side-index h2{font-size:18px;margin-bottom:13px}
.index-list{padding:0;margin:0;list-style:none;border-top:1px solid var(--line)}
.index-list a{display:flex;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);color:#49677e;font-size:14px;transition:color var(--ease)}
.index-list a:hover{color:var(--blue);font-weight:700}
.index-list b{color:var(--blue);font-variant-numeric:tabular-nums}
.progress-box{margin:19px 0;padding:14px;background:var(--blue-pale);border-radius:12px}
.progress-box span{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:8px}
.progress{height:7px;background:#dceaf3;border-radius:7px;overflow:hidden}
.progress i{display:block;width:58%;height:100%;background:var(--teal);border-radius:7px}
.side-note{font-size:13px;color:var(--muted);margin:0 0 13px}
.content-head{display:flex;justify-content:space-between;gap:22px;align-items:end;margin-bottom:25px}
.content-head p{color:var(--muted);max-width:600px;margin:0}
.update-note{flex:none;padding:6px 10px;border-radius:8px;color:#52718a;background:var(--blue-pale);font-size:12px}
.feature-item,.compact-item,.notice-card{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.feature-item{background:#fff;padding:28px;display:grid;grid-template-columns:74px minmax(0,1fr);gap:20px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.feature-item:hover,.compact-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#a9c8df}
.item-no{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:var(--blue-soft);border-radius:14px;color:var(--blue);font-weight:800;font-size:17px;font-variant-numeric:tabular-nums}
.item-meta{display:flex;align-items:center;gap:11px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:8px}
.item-meta .tag{color:#176b65;background:#e7f5f2}
.feature-item h3{font-size:24px;margin-bottom:8px}
.item-text{color:#5a7184;margin-bottom:13px}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin:14px 0 17px}
.tag{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;background:var(--blue-pale);color:#416886;font-size:12px;font-weight:700}
.anchor-link{color:var(--blue-dark);font-size:14px;font-weight:800;text-decoration:underline;text-decoration-color:#9fc2da;text-underline-offset:4px}
.anchor-link:hover{color:var(--blue)}
.editor-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;margin-top:18px}
.compact-item{background:#fff;padding:21px}
.compact-item h3{margin:12px 0 7px}
.compact-item p{font-size:14px;color:var(--muted);margin-bottom:12px}
.notice-card{background:var(--blue-dark);border-color:var(--blue-dark);color:#fff;padding:21px}
.notice-card .section-kicker{color:#9dd5d5}
.notice-card .section-kicker:before{background:#9dd5d5}
.notice-card h3{color:#fff;margin:12px 0 7px}
.notice-card p{color:#c5d8e7;font-size:14px;margin-bottom:14px}
.notice-card .anchor-link{color:#d7edf9;text-decoration-color:#6fa8c8}
.guide-panel{margin:22px 0;background:var(--blue-soft);border:1px solid #cfe1ed;border-radius:var(--radius);padding:25px}
.guide-panel h3{margin-bottom:17px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{position:relative;padding:0 17px 0 0;color:#46657d;font-size:14px}
.step:not(:last-child):after{content:"";position:absolute;right:0;top:15px;height:1px;width:1px;background:#a8c6da}
.step-num{display:block;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:5px}
.feed-row{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 20px;margin-top:13px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.feed-row:hover{transform:translateX(3px);box-shadow:var(--shadow);border-color:#a9c8df}
.feed-row .item-no{width:46px;height:46px;border-radius:11px;font-size:14px}
.feed-row h3{font-size:17px;margin:0 0 3px}
.feed-row p{margin:0;color:var(--muted);font-size:13px}
.row-state{font-size:12px;color:var(--teal);font-weight:800;white-space:nowrap}
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:30px}
.page-btn{min-width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:#547086;font-weight:700;transition:var(--ease)}
.page-btn:hover:not(:disabled){color:var(--blue-dark);border-color:var(--blue);background:var(--blue-pale)}
.page-btn.active{background:var(--blue);border-color:var(--blue);color:#fff}
.page-btn:disabled{color:#a6b8c5;background:#f3f6f8;cursor:not-allowed}
.bottom-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:stretch}
.mini-faq,.contact-card{border-radius:var(--radius);padding:27px}
.mini-faq{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.mini-faq h2{font-size:25px}
details{border-top:1px solid var(--line)}
details:last-child{border-bottom:1px solid var(--line)}
summary{padding:14px 26px 14px 0;position:relative;color:var(--blue-dark);font-weight:800;cursor:pointer;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";position:absolute;right:2px;top:12px;color:var(--blue);font-size:19px}
details[open] summary:after{content:"－"}
.answer{padding:0 4px 15px 13px;border-left:3px solid var(--blue);color:var(--muted);font-size:14px}
.contact-card{background:var(--blue-dark);color:#fff;box-shadow:var(--shadow)}
.contact-card h2{color:#fff;font-size:27px}
.contact-card p{color:#c5d8e7;margin-bottom:20px}
.contact-list{list-style:none;padding:0;margin:0 0 22px}
.contact-list li{padding:6px 0;color:#d7e5ef;font-size:14px}
.contact-list li:before{content:"✓";color:#8ed0cc;font-weight:800;margin-right:9px}
.contact-card .btn-secondary{background:#fff}
.site-footer{background:#163955;color:#d7e5ef;padding:52px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:48px;padding-bottom:34px}
.footer-logo{font-size:21px;font-weight:800;color:#fff;margin-bottom:10px}
.footer-copy{max-width:380px;color:#b9cddb;font-size:14px;margin:0 0 13px}
.footer-title{color:#fff;font-size:14px;font-weight:800;margin:3px 0 12px}
.footer-links{display:grid;gap:8px}
.footer-links a{font-size:14px;color:#c5d8e7;transition:color var(--ease)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.copyright{border-top:1px solid rgba(215,237,249,.18);padding-top:18px;display:flex;justify-content:space-between;gap:16px;color:#abc3d3;font-size:12px}
@media(max-width:900px){
 .nav-wrap{height:68px;gap:14px}.logo{min-width:auto;font-size:18px}.menu-toggle{display:block}.nav-wrap>.nav-cta{display:none}
 .nav-links{display:none;position:absolute;top:72px;left:0;right:0;padding:14px 20px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 24px rgba(18,59,99,.11);flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{padding:11px 13px}.mobile-cta{display:flex!important}
 .channel-grid{grid-template-columns:1fr;gap:30px}.index-board{max-width:620px}
 .content-layout{grid-template-columns:1fr}.side-index{position:static}.index-list{display:flex;overflow:auto;gap:18px}.index-list li{flex:none}.index-list a{border:0;padding:8px 0}
 .footer-grid{gap:28px}
}
@media(max-width:768px){
 .container{width:min(100% - 36px,1180px)}.channel-hero{padding:43px 0 36px}h1{font-size:35px}.section{padding:56px 0}
 .content-head{display:block}.update-note{display:inline-block;margin-top:12px}.editor-grid,.bottom-grid{grid-template-columns:1fr}
 .feature-item{grid-template-columns:1fr;padding:22px}.feature-item h3{font-size:21px}.item-no{width:49px;height:49px}
 .steps{grid-template-columns:1fr;gap:14px}.step{padding:0 0 0 15px;border-left:2px solid #b5d0e2}.step:not(:last-child):after{display:none}
 .feed-row{grid-template-columns:48px 1fr;padding:16px}.feed-row .anchor-link{grid-column:2}.row-state{display:none}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}
}
@media(max-width:520px){
 body{font-size:15px}.container{width:min(100% - 32px,1180px)}.logo-mark{width:27px;height:27px}.logo{font-size:16px}.menu-toggle{padding:0 10px}
 h1{font-size:31px;letter-spacing:-.8px}h2{font-size:25px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}
 .index-board{padding:18px;min-height:250px}.filter-band{position:relative}.filter-track{padding:13px 0}
 .section{padding:48px 0}.side-index,.mini-faq,.contact-card{padding:21px}.guide-panel{padding:20px}.feature-item,.compact-item{padding:19px}
 .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}