/* roulang page: index */
:root{
            --blue:#3976d8;--blue-deep:#2357a9;--blue-soft:#edf4ff;--yellow:#f2c34e;
            --ink:#17263d;--muted:#617089;--line:#dce6f2;--paper:#fff;--warm:#f7faff;
            --shadow:0 18px 48px rgba(35,72,125,.10);--radius:18px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
        a{text-decoration:none;color:inherit;transition:.25s ease}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        .container{width:min(1180px,calc(100% - 40px));margin:auto}
        .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
        .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;color:var(--blue-deep)}
        .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(57,118,216,.25)}
        .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
        .nav-links a{padding:9px 13px;border-radius:9px;color:#52647e;font-size:14px}
        .nav-links a:hover,.nav-links a.active{color:var(--blue-deep);background:var(--blue-soft)}
        .nav-cta,.btn-primary{background:var(--blue);color:#fff!important;border:1px solid var(--blue);border-radius:11px;padding:11px 18px;font-weight:700;box-shadow:0 8px 18px rgba(57,118,216,.18)}
        .nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(57,118,216,.25)}
        .menu-btn{display:none;border:0;background:var(--blue-soft);color:var(--blue-deep);border-radius:9px;padding:8px 11px}
        .hero{min-height:700px;padding:76px 0 82px;background:linear-gradient(110deg,rgba(247,250,255,.98) 15%,rgba(247,250,255,.83) 55%,rgba(247,250,255,.50)),url('/assets/images/7869832005c1a2ee.jpg') center/cover}
        .hero-inner{text-align:center;max-width:930px;margin:auto}
        .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--blue-deep);font-size:13px;font-weight:800;letter-spacing:.04em}
        .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--yellow)}
        h1{font-size:clamp(36px,5vw,64px);line-height:1.16;letter-spacing:-.04em;margin:20px 0 20px;font-weight:800}
        .hero p{max-width:760px;margin:0 auto;color:#52647e;font-size:17px;line-height:1.9}
        .search-box{display:flex;max-width:680px;margin:34px auto 19px;background:#fff;padding:7px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}
        .search-box input{flex:1;min-width:0;border:0;outline:0;padding:12px 15px;color:var(--ink);background:transparent}
        .search-box button{border:0;cursor:pointer}
        .quick-links{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:0 auto 38px}
        .quick-links a,.tag{font-size:12px;color:#55708f;background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 12px}
        .quick-links a:hover,.tag:hover{border-color:var(--blue);color:var(--blue)}
        .hero-board{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;text-align:left;max-width:900px;margin:auto}
        .board{background:rgba(255,255,255,.94);border:1px solid rgba(220,230,242,.9);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
        .board-title{display:flex;justify-content:space-between;align-items:center;font-weight:800;margin-bottom:16px}
        .status{font-size:12px;color:#28835a;background:#e9f8ef;border-radius:99px;padding:4px 9px}
        .flow-line{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
        .flow-item{padding:15px 10px;border-radius:12px;background:#f4f8fe;border:1px solid #e3edf9;text-align:center;font-size:13px}
        .flow-item strong{display:block;color:var(--blue-deep);font-size:18px;margin-bottom:4px}
        .data-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:13px}
        .data-row:last-child{border:0}.data-row b{color:var(--blue-deep)}
        section{padding:92px 0}
        .section-head{max-width:700px;margin-bottom:34px}
        .section-head h2{font-size:clamp(27px,3.2vw,40px);line-height:1.25;letter-spacing:-.03em;margin:10px 0 13px}
        .section-head p{margin:0;color:var(--muted);font-size:16px}
        .section-light{background:#fff}.section-blue{background:#edf5ff}
        .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
        .process-item{padding:27px 24px;position:relative;border-right:1px solid var(--line)}
        .process-item:last-child{border:0}.process-num{color:var(--blue);font-weight:800;font-size:13px}.process-item h3{font-size:18px;margin:9px 0}.process-item p{margin:0;color:var(--muted);font-size:14px}
        .script-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch}
        .info-card,.case-card,.quote-card,.method-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
        .info-card{padding:28px}.info-card h3{margin:0 0 18px;font-size:21px}.field{padding:13px 0;border-bottom:1px dashed #d8e3ef;display:flex;justify-content:space-between;gap:15px;font-size:14px}.field span{color:var(--muted)}.field b{font-weight:700;text-align:right}
        .script-preview{padding:28px;background:#f8fbff;border:1px solid #dceafa;border-radius:var(--radius)}
        .script-preview h3{margin:0 0 18px}.script-line{display:flex;gap:15px;padding:12px 0;border-bottom:1px solid #e2ebf5;font-size:14px}.script-line em{font-style:normal;color:var(--blue);font-weight:700;width:45px}.script-line span{color:#536780}
        .shot-track{display:flex;gap:14px;overflow-x:auto;padding-bottom:9px}.shot{min-width:210px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 8px 24px rgba(35,72,125,.07)}.shot-index{color:#c88c13;font-weight:800;font-size:13px}.shot h3{font-size:17px;margin:8px 0}.shot p{margin:0;color:var(--muted);font-size:13px}.shot-visual{height:55px;margin:14px 0;background:linear-gradient(135deg,#dfeeff,#fff2c7);border-radius:10px}
        .task-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}.task-list{display:grid;gap:12px}.task{display:flex;gap:15px;align-items:flex-start;padding:17px;border:1px solid var(--line);background:#fff;border-radius:13px}.task-dot{width:24px;height:24px;flex:0 0 24px;border-radius:50%;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:800}.task h3{font-size:16px;margin:0 0 3px}.task p{font-size:13px;color:var(--muted);margin:0}
        .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 30px rgba(35,72,125,.08)}.scene-image{height:135px;background-size:cover;background-position:center}.scene-card:nth-child(1) .scene-image{background-image:url('/assets/images/461bd782fa654f0b.jpg')}.scene-card:nth-child(2) .scene-image{background-image:url('/assets/images/e6f9dc79bc522652.jpg')}.scene-card:nth-child(3) .scene-image{background-image:url('/assets/images/f0f20001e3ddeb52.jpg')}.scene-body{padding:20px}.scene-body h3{margin:0 0 8px;font-size:18px}.scene-body p{margin:0;color:var(--muted);font-size:14px}.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:15px}
        .case-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}.case-card{padding:28px}.case-card h3{font-size:24px;margin:8px 0}.case-card p{color:var(--muted)}.case-side{display:grid;gap:12px}.mini-case{padding:18px;background:#f7faff;border:1px solid var(--line);border-radius:14px}.mini-case b{display:block;margin-bottom:5px}.mini-case span{font-size:13px;color:var(--muted)}
        .quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.quote-card{padding:24px}.quote-card p{margin:0 0 16px;font-size:15px}.quote-card small{color:var(--muted)}
        .compare{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.compare th,.compare td{padding:17px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}.compare th{background:#f0f6ff;color:var(--blue-deep)}.compare tr:last-child td{border:0}
        .index-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.index-item{display:flex;gap:16px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:14px}.index-no{font-size:20px;color:var(--blue);font-weight:800}.index-item h3{font-size:16px;margin:0 0 4px}.index-item p{font-size:13px;color:var(--muted);margin:0}
        .faq-list{max-width:850px}.faq-item{border-bottom:1px solid var(--line);background:#fff}.faq-item summary{cursor:pointer;list-style:none;padding:20px 5px;font-weight:700}.faq-item summary::-webkit-details-marker{display:none}.faq-item p{margin:0;padding:0 5px 20px;color:var(--muted);font-size:14px}
        .contact{background:#eaf3ff;border:1px solid #cfe0f7;border-radius:22px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:35px}.contact h2{font-size:31px;line-height:1.3;margin:10px 0}.contact p{color:var(--muted)}.form-grid{display:grid;gap:12px}.form-grid input,.form-grid select,.form-grid textarea{width:100%;border:1px solid #d5e1ef;background:#fff;border-radius:10px;padding:12px 14px;outline:0}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(57,118,216,.12)}.form-grid textarea{min-height:90px;resize:vertical}
        footer{background:#f0f5fb;border-top:1px solid var(--line);padding:55px 0 100px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-grid h3{font-size:15px;margin:0 0 14px}.footer-grid a,.footer-grid p{display:block;color:var(--muted);font-size:13px;margin:7px 0}.footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;color:#7b8aa0;font-size:12px}
        .fixed-cta{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:40;width:min(760px,calc(100% - 30px));background:rgba(255,255,255,.96);border:1px solid var(--line);box-shadow:0 12px 35px rgba(35,72,125,.18);border-radius:15px;padding:10px 13px;display:flex;align-items:center;justify-content:space-between;gap:15px}.fixed-cta span{font-size:14px;font-weight:700}.fixed-cta small{color:var(--muted);font-weight:400;margin-left:8px}
        @media(max-width:900px){.nav-links{display:none}.menu-btn{display:block;margin-left:auto}.hero-board,.script-layout,.case-layout,.contact{grid-template-columns:1fr}.process{grid-template-columns:repeat(2,1fr)}.process-item:nth-child(2){border-right:0}.process-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.scene-grid,.quotes{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:600px){.container{width:min(100% - 28px,1180px)}.nav-wrap{height:66px}.logo{font-size:17px}.hero{padding:55px 0 60px;min-height:auto}h1{font-size:36px}.hero p{font-size:15px;text-align:left}.search-box{margin-top:25px}.search-box button{padding:10px 13px}.hero-board{display:block}.board+ .board{margin-top:12px}.flow-line{grid-template-columns:repeat(2,1fr)}section{padding:65px 0}.section-head h2{font-size:29px}.process,.scene-grid,.quotes,.index-list,.task-layout{grid-template-columns:1fr}.process-item{border-right:0!important;border-bottom:1px solid var(--line)!important}.process-item:last-child{border-bottom:0!important}.compare{display:block;overflow-x:auto;white-space:nowrap}.contact{padding:25px 20px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.fixed-cta{bottom:9px}.fixed-cta small{display:none}.fixed-cta .btn-primary{padding:10px 13px;font-size:13px}}
        @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{--blue:#3976d8;--deep:#2357a9;--soft:#edf4ff;--yellow:#f2c34e;--ink:#17263d;--muted:#617089;--line:#dce6f2;--paper:#fff;--warm:#f7faff;--shadow:0 18px 48px rgba(35,72,125,.1);--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{text-decoration:none;color:inherit;transition:.25s ease}img{display:block;max-width:100%}button,input,select,textarea{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}.logo{display:flex;align-items:center;gap:10px;color:var(--deep);font-size:20px;font-weight:800;white-space:nowrap}.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;box-shadow:0 7px 16px rgba(57,118,216,.25)}.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}.nav-links a{padding:9px 13px;border-radius:9px;color:#52647e;font-size:14px}.nav-links a:hover,.nav-links a.active{color:var(--deep);background:var(--soft)}.nav-cta,.btn-primary{background:var(--blue);color:#fff!important;border:1px solid var(--blue);border-radius:11px;padding:11px 18px;font-weight:700;box-shadow:0 8px 18px rgba(57,118,216,.18)}.nav-cta:hover,.btn-primary:hover{background:var(--deep);transform:translateY(-2px)}.btn-secondary{display:inline-block;border:1px solid #b9cde8;color:var(--deep);background:#fff;border-radius:11px;padding:11px 18px;font-weight:700}.btn-secondary:hover{border-color:var(--blue);background:var(--soft)}.menu-btn{display:none;border:0;background:var(--soft);color:var(--deep);border-radius:9px;padding:8px 11px}
main{overflow:hidden}.page-head{padding:72px 0 62px;background:linear-gradient(100deg,rgba(247,250,255,.98),rgba(237,245,255,.83)),url('/assets/images/461bd782fa654f0b.jpg') center/cover}.crumb{font-size:13px;color:var(--muted);margin-bottom:25px}.crumb a{color:var(--deep)}.head-grid{display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:end}.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--deep);font-size:13px;font-weight:800}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--yellow)}h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-.045em;margin:15px 0 20px}h2{font-size:clamp(26px,3vw,38px);line-height:1.3;letter-spacing:-.03em;margin:10px 0 13px}h3{line-height:1.4}.lead{font-size:17px;color:#52647e;max-width:700px}.head-note{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}.head-note strong{font-size:24px;color:var(--deep);display:block}.head-note p{font-size:14px;color:var(--muted);margin:5px 0 0}.section{padding:88px 0}.section-white{background:#fff}.section-blue{background:var(--soft)}.section-head{max-width:720px;margin-bottom:32px}.section-head p{color:var(--muted);margin:0}.info-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(35,72,125,.06)}.info-strip>div{background:#fff;padding:22px}.info-strip b{display:block;font-size:22px;color:var(--deep)}.info-strip span{font-size:13px;color:var(--muted)}.feature-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.feature-card,.article-list,.lookup,.step-panel,.faq-box,.consult-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.feature-card{overflow:hidden}.feature-image{height:245px;background:url('/assets/images/e6f9dc79bc522652.jpg') center/cover}.feature-content{padding:27px}.feature-content h3{font-size:25px;margin:8px 0}.feature-content p,.article-item p,.step p{color:var(--muted);font-size:14px}.tag{display:inline-block;padding:5px 10px;border-radius:99px;background:var(--soft);color:var(--deep);font-size:12px;margin:4px 5px 0 0}.side-notes{display:grid;gap:14px}.note{padding:22px;background:#f9fbff;border:1px solid var(--line);border-radius:14px}.note b{color:var(--deep)}.article-list{padding:12px}.article-item{display:grid;grid-template-columns:78px 1fr auto;gap:18px;align-items:center;padding:21px 15px;border-bottom:1px solid var(--line)}.article-item:last-child{border-bottom:0}.article-no{font-size:26px;font-weight:800;color:#b9cde8}.article-item h3{font-size:18px;margin:0 0 4px}.article-item p{margin:0}.article-date{font-size:12px;color:#8796aa;white-space:nowrap}.lookup{overflow:auto}.lookup table{width:100%;border-collapse:collapse;min-width:680px}.lookup th,.lookup td{text-align:left;padding:17px 20px;border-bottom:1px solid var(--line);font-size:14px}.lookup th{color:var(--deep);background:#f5f9ff}.lookup td:first-child{font-weight:700}.steps{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.step{padding:25px 22px;border-right:1px solid var(--line)}.step:last-child{border-right:0}.step-num{color:var(--blue);font-weight:800;font-size:14px}.step h3{font-size:17px;margin:8px 0}.step p{margin:0}.faq-box{max-width:900px}.faq-item{border-bottom:1px solid var(--line);padding:0 24px}.faq-item:last-child{border:0}.faq-item summary{cursor:pointer;list-style:none;padding:21px 0;font-weight:700}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";float:right;color:var(--blue);font-size:20px}.faq-item[open] summary:after{content:"－"}.faq-item p{margin:0;padding:0 0 20px;color:var(--muted);font-size:14px}.consult-box{padding:35px;display:flex;justify-content:space-between;align-items:center;gap:25px;background:linear-gradient(110deg,#eef5ff,#fff)}.consult-box p{color:var(--muted);margin:0}.actions{display:flex;gap:10px;flex-wrap:wrap}.fixed-cta{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:40;width:min(760px,calc(100% - 30px));background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 15px 40px rgba(35,72,125,.18);padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:16px}.fixed-cta span{font-size:13px;color:var(--muted)}footer{background:#f0f5fb;border-top:1px solid var(--line);padding:55px 0 100px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-grid h3{font-size:15px;margin:0 0 14px}.footer-grid a,.footer-grid p{display:block;color:var(--muted);font-size:13px;margin:7px 0}.footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;color:#7b8aa0;font-size:12px}
@media(max-width:900px){.nav-links{gap:2px}.nav-links a{padding:8px 8px}.head-grid,.feature-layout{grid-template-columns:1fr}.head-note{max-width:420px}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.info-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.container{width:min(100% - 28px,1180px)}.nav-wrap{height:66px}.menu-btn{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:66px;left:14px;right:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-cta{text-align:center}.page-head{padding:48px 0}.section{padding:64px 0}h1{font-size:38px}.info-strip,.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}.article-item{grid-template-columns:42px 1fr}.article-date{display:none}.consult-box{display:block;padding:25px}.consult-box .actions{margin-top:20px}.fixed-cta{bottom:10px}.fixed-cta span{display:none}.fixed-cta .btn-primary{flex:1;text-align:center}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{--blue:#3976d8;--blue-deep:#2357a9;--blue-soft:#edf4ff;--yellow:#f2c34e;--ink:#17263d;--muted:#617089;--line:#dce6f2;--paper:#fff;--warm:#f7faff;--shadow:0 18px 48px rgba(35,72,125,.10);--radius:18px}
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
        a{text-decoration:none;color:inherit;transition:.25s ease}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        .container{width:min(1180px,calc(100% - 40px));margin:auto}
        .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
        .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;color:var(--blue-deep)}
        .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(57,118,216,.25)}
        .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
        .nav-links a{padding:9px 13px;border-radius:9px;color:#52647e;font-size:14px}
        .nav-links a:hover,.nav-links a.active{color:var(--blue-deep);background:var(--blue-soft)}
        .nav-cta,.btn-primary{background:var(--blue);color:#fff!important;border:1px solid var(--blue);border-radius:11px;padding:11px 18px;font-weight:700;box-shadow:0 8px 18px rgba(57,118,216,.18)}
        .nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
        .menu-btn{display:none;border:0;background:var(--blue-soft);color:var(--blue-deep);border-radius:9px;padding:8px 11px;cursor:pointer}
        .page-intro{padding:76px 0 60px;background:linear-gradient(110deg,rgba(247,250,255,.97),rgba(247,250,255,.78)),url('/assets/images/461bd782fa654f0b.jpg') center/cover}
        .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--blue-deep);font-size:13px;font-weight:800;letter-spacing:.04em}
        .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--yellow)}
        .page-intro h1{font-size:clamp(34px,5vw,60px);line-height:1.18;letter-spacing:-.04em;margin:15px 0}
        .page-intro p{max-width:760px;color:#52647e;font-size:17px;margin:0}
        section{padding:82px 0}
        .section-light{background:#fff}
        .section-head{max-width:720px;margin-bottom:32px}
        .section-head h2{font-size:clamp(26px,3vw,39px);line-height:1.28;letter-spacing:-.03em;margin:10px 0 12px}
        .section-head p{margin:0;color:var(--muted);font-size:16px}
        .info-card,.case-card,.method-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
        .info-card{padding:26px}
        .info-card h3,.case-card h3,.method-card h3{margin:0 0 10px;font-size:20px}
        .info-card p,.case-card p,.method-card p{color:var(--muted);font-size:14px;margin:0}
        .tag{display:inline-flex;font-size:12px;color:#55708f;background:#f8fbff;border:1px solid var(--line);border-radius:99px;padding:5px 11px}
        .tag:hover{border-color:var(--blue);color:var(--blue)}
        .tags{display:flex;gap:8px;flex-wrap:wrap}
        .index-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
        .index-link{padding:16px 14px;background:#fff;border:1px solid var(--line);border-radius:13px;color:#52647e;font-size:14px}
        .index-link:hover{border-color:var(--blue);color:var(--blue-deep);transform:translateY(-3px)}
        .case-layout{display:grid;grid-template-columns:1.45fr .75fr;gap:22px}
        .case-card{padding:30px}
        .case-visual{min-height:225px;border-radius:14px;background:linear-gradient(90deg,rgba(35,87,169,.78),rgba(35,87,169,.12)),url('/assets/images/e6f9dc79bc522652.jpg') center/cover;margin-bottom:24px;display:flex;align-items:flex-end;padding:22px;color:#fff}
        .case-visual strong{font-size:22px}
        .side-list{display:grid;gap:12px}
        .side-item{padding:17px;border:1px solid var(--line);border-radius:13px;background:#f9fbff}
        .side-item:hover{border-color:var(--blue);background:#fff}
        .side-item strong{display:block;font-size:15px;margin-bottom:4px}
        .side-item span{font-size:12px;color:var(--muted)}
        .archive-list{border-top:1px solid var(--line)}
        .archive-item{display:grid;grid-template-columns:90px 1fr 120px;gap:22px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
        .archive-num{font-size:28px;font-weight:800;color:#b5c9e5}
        .archive-item h3{font-size:18px;margin:0 0 5px}
        .archive-item p{font-size:14px;color:var(--muted);margin:0}
        .archive-meta{font-size:12px;color:var(--muted);text-align:right}
        .compare{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
        table{width:100%;border-collapse:collapse;min-width:680px}
        th,td{text-align:left;padding:17px 20px;border-bottom:1px solid var(--line);font-size:14px}
        th{background:#f1f6fd;color:var(--blue-deep);font-weight:800}
        tr:last-child td{border-bottom:0}
        td:first-child{font-weight:700;color:var(--ink)}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
        .step{padding:26px 22px;border-right:1px solid var(--line)}
        .step:last-child{border:0}
        .step-no{color:var(--blue);font-weight:800;font-size:13px}
        .step h3{font-size:18px;margin:10px 0 7px}
        .step p{font-size:14px;color:var(--muted);margin:0}
        .faq-list{max-width:850px}
        .faq-item{box-shadow:none;border-radius:0;border-left:0;border-right:0}
        .faq-item summary{cursor:pointer;list-style:none;padding:20px 5px;font-weight:700}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item p{margin:0;padding:0 5px 20px;color:var(--muted);font-size:14px}
        .cta-panel{background:#eaf3ff;border:1px solid #cfe0f7;border-radius:20px;padding:34px;display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta-panel h2{margin:0 0 8px;font-size:27px}
        .cta-panel p{margin:0;color:var(--muted)}
        footer{background:#f0f5fb;border-top:1px solid var(--line);padding:55px 0 100px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-grid h3{font-size:15px;margin:0 0 14px}
        .footer-grid a,.footer-grid p{display:block;color:var(--muted);font-size:13px;margin:7px 0}
        .footer-grid a:hover{color:var(--blue)}
        .footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;color:#7b8aa0;font-size:12px}
        @media(max-width:900px){.nav-links{gap:2px}.nav-links a{padding:8px 9px}.index-grid{grid-template-columns:repeat(3,1fr)}.case-layout{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}}
        @media(max-width:700px){.container{width:min(100% - 28px,1180px)}.nav-wrap{height:68px}.menu-btn{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:14px;right:14px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.page-intro{padding:58px 0 48px}.page-intro h1{font-size:36px}.page-intro p{font-size:15px}.index-grid{grid-template-columns:repeat(2,1fr)}section{padding:62px 0}.archive-item{grid-template-columns:48px 1fr}.archive-meta{display:none}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}.cta-panel{display:block;padding:26px}.cta-panel .btn-primary{display:inline-block;margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}}
        @media(max-width:420px){.logo{font-size:17px}.logo-mark{width:31px;height:31px}.index-grid{grid-template-columns:1fr}.case-card{padding:21px}}
        @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category3 */
:root{
 --blue:#3976d8;--blue-deep:#2357a9;--blue-soft:#edf4ff;--yellow:#f2c34e;
 --ink:#17263d;--muted:#617089;--line:#dce6f2;--paper:#fff;--warm:#f7faff;
 --shadow:0 18px 48px rgba(35,72,125,.10);--radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
a{text-decoration:none;color:inherit;transition:.25s ease}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;white-space:nowrap;color:var(--blue-deep)}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 7px 16px rgba(57,118,216,.25)}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-links a{padding:9px 13px;border-radius:9px;color:#52647e;font-size:14px}
.nav-links a:hover,.nav-links a.active{color:var(--blue-deep);background:var(--blue-soft)}
.nav-cta,.btn-primary{background:var(--blue);color:#fff!important;border:1px solid var(--blue);border-radius:11px;padding:11px 18px;font-weight:700;box-shadow:0 8px 18px rgba(57,118,216,.18)}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(57,118,216,.25)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;border:1px solid #b9cde8;border-radius:11px;padding:10px 17px;color:var(--blue-deep);font-weight:700;background:#fff}
.btn-outline:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
.menu-btn{display:none;border:0;background:var(--blue-soft);color:var(--blue-deep);border-radius:9px;padding:8px 11px}
.page-intro{padding:74px 0 62px;background:linear-gradient(110deg,rgba(247,250,255,.98) 12%,rgba(247,250,255,.86) 58%,rgba(247,250,255,.55)),url('/assets/images/ffa5792deaaca0b8.jpg') center/cover}
.breadcrumb{display:flex;gap:9px;align-items:center;color:#71819a;font-size:13px;margin-bottom:22px}
.breadcrumb a:hover{color:var(--blue)}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--blue-deep);font-size:13px;font-weight:800;letter-spacing:.04em}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--yellow)}
.page-intro h1{font-size:clamp(32px,5vw,57px);line-height:1.18;letter-spacing:-.04em;margin:12px 0 18px;max-width:780px}
.page-intro p{max-width:760px;margin:0;color:#52647e;font-size:17px;line-height:1.9}
.meta-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.meta-chip,.tag{font-size:12px;color:#55708f;background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 12px}
.meta-chip strong{color:var(--blue-deep);margin-right:4px}
section{padding:86px 0}
.section-light{background:#fff}
.section-blue{background:#edf5ff}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(26px,3.2vw,39px);line-height:1.25;letter-spacing:-.03em;margin:10px 0 13px}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.info-card,.feature-card,.method-card,.faq-item,.article-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.info-card{padding:27px}
.info-card h3,.feature-card h3,.method-card h3{margin:0 0 10px;font-size:20px}
.info-card p,.feature-card p,.method-card p{color:var(--muted);font-size:14px;margin:0}
.index-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.feature-card{padding:30px;background:linear-gradient(135deg,#fff 55%,#f1f6ff)}
.feature-card .feature-number{font-size:13px;color:var(--blue);font-weight:800}
.feature-card h3{font-size:26px;line-height:1.35;margin-top:14px}
.feature-card p{font-size:15px;line-height:1.85}
.feature-image{height:150px;border-radius:13px;margin-top:23px;background:url('/assets/images/de135685a1796f88.jpg') center/cover}
.short-list{display:grid;gap:12px}
.short-item{padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;display:flex;gap:14px;align-items:flex-start}
.short-item:hover,.article-row:hover{border-color:#a9c6ef;transform:translateY(-2px);box-shadow:0 10px 25px rgba(35,72,125,.08)}
.short-item b{color:var(--blue);font-size:14px}
.short-item h3{font-size:16px;margin:0 0 4px;line-height:1.5}
.short-item p{font-size:13px;color:var(--muted);margin:0}
.article-list{overflow:hidden}
.article-row{display:grid;grid-template-columns:100px 1fr auto;gap:20px;align-items:center;padding:22px 26px;border-bottom:1px solid var(--line);transition:.25s ease}
.article-row:last-child{border-bottom:0}
.article-date{color:var(--blue-deep);font-weight:800;font-size:13px}
.article-row h3{margin:0 0 5px;font-size:17px}
.article-row p{margin:0;color:var(--muted);font-size:13px}
.article-arrow{color:var(--blue);font-size:20px}
.more-wrap{text-align:center;margin-top:28px}
.method-grid{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.method-card{border:0;border-radius:0;box-shadow:none;padding:24px 20px;position:relative}
.method-card:not(:last-child){border-right:1px solid var(--line)}
.step-no{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:var(--blue-soft);color:var(--blue-deep);font-weight:800;font-size:13px}
.method-card:nth-child(3) .step-no{background:#fff5d7;color:#9b7410}
.method-card h3{font-size:17px;margin-top:17px}
.term-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.term-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:19px 22px}
.term-item summary{cursor:pointer;font-weight:800;list-style:none}
.term-item summary::-webkit-details-marker{display:none}
.term-item summary:after{content:"＋";float:right;color:var(--blue)}
.term-item[open] summary:after{content:"－"}
.term-item p{color:var(--muted);font-size:14px;margin:12px 0 0}
.faq-list{max-width:880px}
.faq-item{border-radius:0;box-shadow:none;border-left:0;border-right:0;border-top:0}
.faq-item summary{cursor:pointer;list-style:none;padding:20px 5px;font-weight:700}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";float:right;color:var(--blue);font-size:20px}
.faq-item[open] summary:after{content:"－"}
.faq-item p{margin:0;padding:0 5px 20px;color:var(--muted);font-size:14px}
.contact-panel{display:grid;grid-template-columns:1fr .9fr;gap:28px;align-items:center;background:#eaf3ff;border:1px solid #cfe0f5;border-radius:var(--radius);padding:35px}
.contact-panel h2{font-size:30px;line-height:1.35;margin:9px 0 12px}
.contact-panel p{color:var(--muted);margin:0}
.form-grid{display:grid;gap:12px}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;border:1px solid #d5e1ef;background:#fff;border-radius:10px;padding:12px 14px;outline:0}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(57,118,216,.12)}
.form-grid textarea{min-height:88px;resize:vertical}
footer{background:#f0f5fb;border-top:1px solid var(--line);padding:55px 0 100px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer-grid h3{font-size:15px;margin:0 0 14px}
.footer-grid a,.footer-grid p{display:block;color:var(--muted);font-size:13px;margin:7px 0}
.footer-grid a:hover{color:var(--blue-deep)}
.footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;color:#7b8aa0;font-size:12px}
.fixed-cta{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:40;width:min(760px,calc(100% - 30px));background:#fff;border:1px solid #cbdcf0;border-radius:15px;box-shadow:0 16px 40px rgba(35,72,125,.18);padding:10px 13px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.fixed-cta strong{font-size:14px}.fixed-cta span{font-size:12px;color:var(--muted);margin-left:10px}
@media(max-width:1024px){.nav-wrap{gap:15px}.nav-links a{padding:8px 8px}.method-grid{grid-template-columns:repeat(3,1fr)}.method-card:nth-child(3){border-right:0}.method-card:nth-child(-n+3){border-bottom:1px solid var(--line)}}
@media(max-width:768px){.container{width:min(100% - 30px,680px)}.nav-wrap{height:68px}.menu-btn{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;margin:0;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-cta{text-align:center;margin-top:5px}.page-intro{padding:52px 0 48px}.page-intro p{font-size:15px}.index-grid,.term-layout,.contact-panel{grid-template-columns:1fr}.article-row{grid-template-columns:75px 1fr}.article-arrow{display:none}section{padding:65px 0}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.method-grid{grid-template-columns:1fr}.method-card,.method-card:nth-child(3){border-right:0;border-bottom:1px solid var(--line)}.method-card:last-child{border-bottom:0}.fixed-cta{bottom:10px}.fixed-cta span{display:none}}
@media(max-width:520px){.logo{font-size:17px}.logo-mark{width:30px;height:30px}.page-intro h1{font-size:34px}.article-row{grid-template-columns:1fr;gap:5px;padding:20px}.article-date{font-size:12px}.footer-grid{grid-template-columns:1fr}.contact-panel{padding:25px}.contact-panel h2{font-size:25px}.fixed-cta{padding:9px}.fixed-cta strong{font-size:13px}.fixed-cta .btn-primary{padding:9px 12px;font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}