/* roulang page: index */
:root{
      --blue:#356f91;--blue-deep:#285c79;--ink:#183548;--muted:#5e7481;
      --paper:#f5f2ea;--mint:#73a9a1;--amber:#b97b31;--bg:#f7fafc;
      --line:#dce7ed;--white:#fff;--radius:16px;--shadow:0 10px 30px rgba(24,53,72,.08);
      --shadow-hover:0 18px 38px rgba(24,53,72,.14);--container:1200px;
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}.topbar{height:36px;background:var(--ink);color:#d7e5eb;font-size:13px}.topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar a{color:#d7e5eb}.topbar a:hover{color:#fff;text-decoration:underline}
    .main-header{height:80px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 16px rgba(24,53,72,.04);position:sticky;top:0;z-index:40}.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:255px;font-size:17px;font-weight:800;letter-spacing:-.4px}.crest{width:31px;height:35px;border:2px solid var(--blue);border-radius:12px 12px 15px 15px;display:grid;place-items:center;color:var(--blue);background:#f0f7fa}.crest svg{width:18px;height:18px}
    .nav-links{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:600}.nav-links a{height:80px;display:flex;align-items:center;position:relative;color:#45616f}.nav-links a:after{content:"";position:absolute;bottom:17px;left:50%;width:0;height:2px;background:var(--blue);transition:.22s}.nav-links a:hover,.nav-links a.active{color:var(--ink)}.nav-links a:hover:after,.nav-links a.active:after{left:0;width:100%}
    .btn{min-height:44px;border-radius:10px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);box-shadow:0 8px 18px rgba(53,111,145,.18)}.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(40,92,121,.24)}.btn-secondary{background:#fff;color:var(--blue);border:1px solid #9dbecf}.btn-secondary:hover{background:#f1f8fb;border-color:var(--blue);transform:translateY(-2px)}.btn-text{padding:0;min-height:auto;color:var(--blue);border:0;background:transparent;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}.btn-text:hover{color:var(--blue-deep)}
    :focus-visible{outline:3px solid rgba(115,169,161,.55);outline-offset:3px}.menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:9px;width:44px;height:44px;color:var(--ink)}
    section{padding:96px 0}.eyebrow{display:flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.eyebrow:before{content:"";display:block;width:24px;height:1px;background:var(--mint)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,4.4vw,55px);line-height:1.22;letter-spacing:-1.8px;font-weight:800}h2{font-size:clamp(29px,3vw,38px);line-height:1.3;letter-spacing:-1px;font-weight:800}h3{font-size:21px;line-height:1.45;font-weight:800}.lead{font-size:17px;line-height:1.9;color:var(--muted)}.section-head{max-width:710px;margin-bottom:40px}.section-head p{color:var(--muted);margin-bottom:0}
    .hero{position:relative;overflow:hidden;padding:76px 0 58px;background:linear-gradient(180deg,#f9fcfd 0%,#edf5f8 100%)}.hero:before{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(53,111,145,.09);border-radius:50%;right:-220px;top:-290px;box-shadow:0 0 0 40px rgba(115,169,161,.035),0 0 0 90px rgba(53,111,145,.025)}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:68px;align-items:center}.hero .lead{max-width:610px;margin:22px 0 28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.trust-row{margin-top:34px;padding-top:22px;border-top:1px solid var(--line);display:flex;gap:20px;flex-wrap:wrap}.trust{display:flex;align-items:center;gap:8px;color:#496673;font-size:13px;font-weight:700}.trust svg{width:18px;height:18px;color:var(--mint)}
    .scroll-panel{background:#fff;border:1px solid #cddfe7;border-radius:20px;padding:15px;box-shadow:var(--shadow);position:relative}.scroll-panel:before,.scroll-panel:after{content:"";position:absolute;width:42px;height:42px;border-color:rgba(53,111,145,.34);border-style:solid}.scroll-panel:before{top:9px;left:9px;border-width:1px 0 0 1px;border-radius:10px 0}.scroll-panel:after{right:9px;bottom:9px;border-width:0 1px 1px 0;border-radius:0 0 10px}.scroll-inner{position:relative;padding:30px;background:repeating-linear-gradient(0deg,rgba(24,53,72,.018),rgba(24,53,72,.018) 1px,transparent 1px,transparent 7px),var(--paper);border-radius:12px;overflow:hidden}.scroll-inner:after{content:"";position:absolute;width:280px;height:280px;border:1px dashed rgba(53,111,145,.17);border-radius:50%;right:-90px;bottom:-110px}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:23px;font-weight:800}.seal{width:40px;height:40px;border:1px solid var(--mint);border-radius:50%;display:grid;place-items:center;color:var(--blue);background:#f8ffff}.seal svg{width:20px}.panel-list{position:relative;z-index:1;display:grid;gap:12px}.panel-item{display:grid;grid-template-columns:40px 1fr;gap:13px;padding:14px;background:rgba(255,255,255,.7);border:1px solid rgba(53,111,145,.14);border-radius:10px}.panel-item b{font-size:14px}.panel-item span{font-size:13px;color:var(--muted);line-height:1.55}.panel-num{font-family:Georgia,serif;color:var(--blue);font-size:18px}
    .services-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.service-stack{display:grid;gap:22px}.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden;transition:.25s}.service-card:hover{transform:translateY(-3px);border-color:#a8c8d8;box-shadow:var(--shadow-hover)}.service-card.featured{min-height:316px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(135deg,#fff 0%,#f1f8fa 100%)}.service-card:before{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(115,169,161,.18);border-radius:45% 55% 60% 40%;right:-70px;top:-75px}.card-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#edf6f8;color:var(--blue);margin-bottom:24px}.card-icon svg{width:22px;height:22px}.card-no{position:absolute;right:25px;bottom:20px;font-family:Georgia,serif;color:rgba(53,111,145,.18);font-size:48px;font-weight:bold}.service-card p{font-size:14px;color:var(--muted);margin:10px 0 18px;max-width:470px}.service-stack .service-card{min-height:147px;padding:22px 27px}.service-stack .card-icon{float:left;margin:0 14px 0 0;width:38px;height:38px}.service-stack h3{font-size:18px;margin:0}.service-stack p{margin:5px 0 8px;font-size:13px}
    .stats{background:#eaf3f6;position:relative;overflow:hidden}.stats:before{content:"";position:absolute;width:550px;height:550px;border:1px solid rgba(53,111,145,.09);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #bdd4de;border-bottom:1px solid #bdd4de}.stat{padding:28px 28px 25px;border-right:1px solid #bdd4de}.stat:last-child{border:0}.stat strong{display:block;font-size:33px;line-height:1;color:var(--ink);letter-spacing:-1px}.stat span{display:block;margin-top:10px;color:#58717e;font-size:14px;line-height:1.5}
    .archive-layout{display:grid;grid-template-columns:340px 1fr;gap:30px;align-items:stretch}.archive-menu{padding:25px;background:var(--paper);border:1px solid #e5ded1;border-radius:var(--radius)}.archive-menu h3{margin-bottom:16px}.archive-link{width:100%;display:flex;justify-content:space-between;gap:12px;padding:13px 12px;border-top:1px solid #ded9ce;font-size:14px;font-weight:700;color:#476470;text-align:left;background:transparent;border-left:0;border-right:0;border-bottom:0}.archive-link.active,.archive-link:hover{color:var(--blue);background:rgba(255,255,255,.58)}.status{font-size:12px;border:1px solid currentColor;border-radius:99px;padding:1px 8px;white-space:nowrap}.status.ready{color:#427d76}.status.note{color:#9b6a2c}
    .case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:.8fr 1.2fr;overflow:hidden;box-shadow:var(--shadow)}.case-art{min-height:315px;background:linear-gradient(145deg,#dcebef,#f6f2e9);position:relative;overflow:hidden}.case-art:before{content:"";position:absolute;inset:26px;border:1px solid rgba(53,111,145,.29);border-radius:50%;box-shadow:0 0 0 20px rgba(255,255,255,.24),0 0 0 48px rgba(53,111,145,.06)}.case-art:after{content:"档 案";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-11deg);color:rgba(53,111,145,.46);border:2px solid rgba(53,111,145,.4);padding:8px 18px;font-weight:800;letter-spacing:.2em}.case-content{padding:34px}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:15px}.tag{font-size:12px;line-height:1.5;border:1px solid #b7d1d8;color:#40716e;background:#f6fbfa;padding:3px 9px;border-radius:99px}.tag.blue{border-color:#b9d2df;color:var(--blue);background:#f1f8fb}.case-content p{color:var(--muted);font-size:14px}.mini-steps{padding:0;margin:19px 0;list-style:none}.mini-steps li{font-size:14px;color:#405f6d;padding:7px 0 7px 21px;position:relative;border-bottom:1px dashed var(--line)}.mini-steps li:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);position:absolute;left:2px;top:16px}
    .paths{display:grid;gap:28px}.path{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:0 8px 24px rgba(24,53,72,.055)}.path:nth-child(2) .path-aside{order:2;background:repeating-linear-gradient(0deg,rgba(24,53,72,.018),rgba(24,53,72,.018) 1px,transparent 1px,transparent 8px),var(--paper)}.path-main{padding:39px}.path-aside{padding:39px;background:#ecf5f7;display:flex;align-items:center}.path-aside p{color:#486773;margin:0}.vertical-steps{list-style:none;padding:0;margin:22px 0 24px;border-left:1px solid #9fc2ca}.vertical-steps li{position:relative;padding:0 0 14px 22px;color:#496773;font-size:14px}.vertical-steps li:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--blue);left:-6px;top:7px}
    .faq-wrap{max-width:860px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;min-height:62px;border:0;background:transparent;text-align:left;padding:15px 5px;display:flex;align-items:center;justify-content:space-between;gap:18px;color:var(--ink);font-size:16px;font-weight:800}.faq-question:hover{color:var(--blue)}.faq-mark{width:25px;height:25px;border:1px solid #9fc2ca;border-radius:50%;display:grid;place-items:center;color:var(--blue);flex:0 0 auto;transition:.23s}.faq-question[aria-expanded="true"] .faq-mark{transform:rotate(45deg);background:var(--blue);color:#fff}.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}.faq-answer>div{overflow:hidden}.faq-answer p{margin:0;padding:0 18px 0 5px;color:#526d78;font-size:14px}.faq-question[aria-expanded="true"]+ .faq-answer{grid-template-rows:1fr}.faq-question[aria-expanded="true"]+ .faq-answer p{padding:5px 20px 20px 5px;background:var(--paper);border-radius:8px}
    .contact{padding-top:68px}.contact-card{padding:17px;border:1px solid #c9dde6;border-radius:22px;background:#fff;box-shadow:var(--shadow-hover)}.contact-inner{padding:42px;background:repeating-linear-gradient(0deg,rgba(24,53,72,.012),rgba(24,53,72,.012) 1px,transparent 1px,transparent 8px),#fbfdfd;border-radius:14px;display:grid;grid-template-columns:.9fr 1.1fr;gap:52px}.contact-copy p{color:var(--muted)}.notice{border-left:3px solid var(--mint);padding:12px 15px;background:#f1f8f7;color:#476672;font-size:13px;border-radius:0 8px 8px 0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700;color:#46616e}.field input,.field select,.field textarea{width:100%;border:1px solid #cbdce3;border-radius:9px;padding:11px 13px;background:#fff;color:var(--ink);outline:none;transition:.2s}.field input,.field select{height:47px}.field textarea{min-height:94px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(53,111,145,.13)}.check{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:#55707c;margin:13px 0}.check input{margin-top:6px;accent-color:var(--blue)}.form-note{font-size:12px;color:#66808b;margin:11px 0 0}
    footer{background:var(--ink);color:#d8e5e9;padding:68px 0 20px;position:relative;overflow:hidden}footer:before{content:"";position:absolute;top:-170px;left:15%;width:700px;height:280px;border:1px solid rgba(184,218,228,.1);border-radius:50%}.footer-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand{color:#fff;font-size:18px;font-weight:800}.footer-copy{font-size:13px;color:#afc2c9;max-width:300px;margin-top:13px}.footer-col h3{color:#fff;font-size:14px;margin-bottom:13px}.footer-col a{display:block;font-size:13px;color:#b4c7ce;padding:4px 0}.footer-col a:hover{color:#fff;text-decoration:underline}.footer-bottom{position:relative;margin-top:43px;padding-top:18px;border-top:1px solid rgba(210,231,237,.15);font-size:12px;color:#9db4bc;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
    @media(max-width:1024px){.nav-links{gap:16px}.brand{min-width:auto;font-size:15px}.hero-grid{gap:35px}.archive-layout{grid-template-columns:275px 1fr}.contact-inner{gap:30px}}
    @media(max-width:768px){.container{width:min(100% - 40px,var(--container))}.topbar-inner span:last-child{display:none}.main-header{height:68px}.nav-links,.nav-cta{display:none}.menu-btn{display:grid;place-items:center}.brand{font-size:14px}.nav-wrap{height:68px}.hero{padding:55px 0 40px}.hero-grid,.contact-inner,.case-card,.path{grid-template-columns:1fr}.scroll-panel{margin-top:4px}.services-grid{grid-template-columns:1fr}.service-stack{grid-template-columns:1fr 1fr}.stats-grid{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid #bdd4de}.archive-layout{grid-template-columns:1fr}.archive-menu{display:flex;gap:5px;overflow:auto;padding:12px}.archive-menu h3{display:none}.archive-link{min-width:165px;border:1px solid #ded9ce;border-radius:8px;padding:10px}.case-art{min-height:190px}.path:nth-child(2) .path-aside{order:0}.footer-grid{grid-template-columns:1fr 1fr}section{padding:72px 0}}
    @media(max-width:520px){h1{font-size:32px}.topbar{font-size:12px}.hero-actions .btn{width:100%}.trust-row{gap:12px}.service-stack{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr}.stat,.stat:nth-child(2){border-right:0;border-bottom:1px solid #bdd4de}.stat:last-child{border-bottom:0}.case-content,.path-main,.path-aside{padding:26px}.contact-inner{padding:25px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --blue:#356f91;--blue-deep:#285c79;--ink:#183548;--muted:#5e7481;
 --paper:#f5f2ea;--mint:#73a9a1;--amber:#b97b31;--bg:#f7fafc;
 --line:#dce7ed;--white:#fff;--radius:16px;--shadow:0 10px 30px rgba(24,53,72,.08);
 --shadow-hover:0 18px 38px rgba(24,53,72,.14);--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.topbar{height:36px;background:var(--ink);color:#d7e5eb;font-size:13px}
.topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar a{color:#d7e5eb}
.topbar a:hover{color:#fff;text-decoration:underline}
.main-header{height:80px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 16px rgba(24,53,72,.04);position:sticky;top:0;z-index:40}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-width:255px;font-size:17px;font-weight:800;letter-spacing:-.4px}
.brand-mark{width:34px;height:34px;border:1.5px solid var(--blue);border-radius:11px;display:grid;place-items:center;color:var(--blue);background:#f3f9fb;flex:0 0 auto}
.brand-mark svg{width:20px;height:20px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:600}
.nav-links a{height:80px;display:flex;align-items:center;position:relative;color:#45616f}
.nav-links a:after{content:"";position:absolute;bottom:17px;left:50%;width:0;height:2px;background:var(--blue);transition:.22s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a:hover:after,.nav-links a.active:after{left:0;width:100%}
.btn{min-height:44px;border-radius:10px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);box-shadow:0 8px 18px rgba(53,111,145,.18)}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(40,92,121,.24)}
.btn-secondary{background:#fff;color:var(--blue);border:1px solid #9dbecf}
.btn-secondary:hover{background:#f1f8fb;border-color:var(--blue);transform:translateY(-2px)}
.menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:9px;width:44px;height:44px;color:var(--ink);align-items:center;justify-content:center}
.menu-btn svg{width:21px;height:21px}
section{padding:88px 0}
.eyebrow{display:flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";display:block;width:24px;height:1px;background:var(--mint)}
h1,h2,h3,p{margin-top:0}
h1{font-size:46px;line-height:1.25;letter-spacing:-1.2px;margin:16px 0 18px}
h2{font-size:33px;line-height:1.35;letter-spacing:-.6px;margin-bottom:15px}
h3{font-size:20px;line-height:1.5;margin-bottom:8px}
.lead{font-size:16px;line-height:1.9;color:var(--muted)}
:focus-visible{outline:3px solid rgba(115,169,161,.7);outline-offset:3px}
.inner-hero{position:relative;overflow:hidden;padding:52px 0 58px;background:linear-gradient(145deg,#fbfdfe 0%,#eaf3f6 100%);border-bottom:1px solid var(--line)}
.inner-hero:before{content:"";position:absolute;right:7%;top:-150px;width:470px;height:470px;border:1px solid rgba(53,111,145,.12);border-radius:50%;box-shadow:0 0 0 36px rgba(115,169,161,.035),0 0 0 78px rgba(53,111,145,.025)}
.inner-hero:after{content:"";position:absolute;width:500px;height:220px;right:-70px;bottom:-115px;background:repeating-radial-gradient(ellipse at center,transparent 0 20px,rgba(53,111,145,.055) 21px 22px,transparent 23px 41px);transform:rotate(-16deg)}
.hero-content{position:relative;z-index:1;max-width:825px}
.breadcrumb{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:20px}
.breadcrumb span{color:#94aab4}
.hero-content .lead{max-width:720px;margin-bottom:24px}
.hero-badges{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:16px}
.tag{font-size:12px;line-height:1.5;border:1px solid #b7d1d8;color:#40716e;background:#f6fbfa;padding:4px 10px;border-radius:99px}
.tag.blue{border-color:#b9d2df;color:var(--blue);background:#f1f8fb}
.tag.amber{border-color:#dfc59f;color:#8b5b1f;background:#fffaf2}
.page-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:34px;align-items:start}
.sidebar{position:sticky;top:105px}
.scroll-card{padding:24px;background:var(--paper);border:1px solid #e5ded1;border-radius:var(--radius);box-shadow:0 8px 24px rgba(74,71,57,.06);position:relative;overflow:hidden}
.scroll-card:before{content:"";position:absolute;right:-35px;top:-40px;width:125px;height:125px;border:1px solid rgba(185,123,49,.14);border-radius:50%}
.scroll-card h2{font-size:20px;margin:10px 0 18px;position:relative}
.index-links{display:grid;gap:7px;position:relative}
.index-links a{display:flex;align-items:center;justify-content:space-between;padding:10px 11px;border-radius:9px;color:#52707c;font-size:14px;transition:.2s}
.index-links a:hover,.index-links a.active{background:#fff;color:var(--blue);box-shadow:0 4px 12px rgba(24,53,72,.06)}
.index-count{font-size:11px;color:var(--muted);border:1px solid #d9d4c9;border-radius:99px;padding:1px 7px}
.sidebar-note{margin:18px 2px 0;font-size:13px;line-height:1.7;color:var(--muted)}
.content-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
.content-head h2{margin:10px 0 0}
.filter-box{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:15px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 6px 20px rgba(24,53,72,.04);margin-bottom:21px}
.search-wrap{position:relative;flex:1 1 250px}
.search-wrap svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:18px;color:var(--muted)}
.search-wrap input{width:100%;height:45px;border:1px solid #cbdce4;border-radius:9px;padding:0 13px 0 41px;background:#fbfdfe;color:var(--ink);outline:0;transition:.2s}
.search-wrap input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(53,111,145,.12);background:#fff}
.filter-pills{display:flex;gap:7px;flex-wrap:wrap}
.filter-pills button{border:1px solid #c9dce3;background:#fff;color:#52707c;border-radius:99px;padding:7px 11px;font-size:12px;transition:.2s}
.filter-pills button:hover,.filter-pills button.active{background:#edf6f8;border-color:#9dc3d0;color:var(--blue)}
.archive-list{display:grid;gap:16px}
.archive-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);display:grid;grid-template-columns:72px minmax(0,1fr);gap:20px;transition:.25s}
.archive-card:hover{transform:translateY(-3px);border-color:#a8c8d8;box-shadow:var(--shadow-hover)}
.archive-symbol{width:65px;height:65px;border:1px solid #b9d2df;border-radius:18px;display:grid;place-items:center;color:var(--blue);background:linear-gradient(135deg,#f7fcfd,#e9f3f6);position:relative}
.archive-symbol:after{content:"";position:absolute;width:40px;height:40px;border:1px dashed rgba(53,111,145,.3);border-radius:50%}
.archive-symbol svg{width:27px;position:relative;z-index:1}
.archive-top{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-bottom:8px}
.archive-no{font-family:Georgia,serif;color:var(--blue);font-weight:bold;font-size:14px;letter-spacing:.08em}
.archive-card p{font-size:14px;color:var(--muted);margin:9px 0 15px;line-height:1.8}
.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid #edf2f4;padding-top:14px}
.meta{font-size:12px;color:#78909b}
.text-link{font-size:14px;color:var(--blue);font-weight:700;text-decoration:underline;text-underline-offset:5px;text-decoration-color:#a9c9d5}
.text-link:hover{color:var(--blue-deep);text-decoration-color:var(--blue-deep)}
.pagination{display:flex;justify-content:center;align-items:center;gap:7px;margin-top:34px}
.pagination button{min-width:39px;height:39px;border:1px solid #cbdce4;background:#fff;color:var(--blue);border-radius:9px;font-size:13px;transition:.2s}
.pagination button:hover{border-color:var(--blue);background:#f0f8fa}
.pagination button.current{background:var(--blue);border-color:var(--blue);color:#fff}
.mini-cta{padding:0 0 92px}
.cta-panel{background:var(--ink);color:#fff;border-radius:var(--radius);padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.cta-panel:before{content:"";position:absolute;right:-60px;top:-120px;width:310px;height:310px;border:1px solid rgba(255,255,255,.12);border-radius:50%;box-shadow:0 0 0 38px rgba(115,169,161,.08)}
.cta-panel>*{position:relative;z-index:1}
.cta-panel h2{font-size:28px;margin:9px 0 5px}
.cta-panel p{margin:0;color:#c3d8df;font-size:14px;max-width:700px}
.cta-panel .btn-secondary{border-color:#9fc6d1;background:#fff}
footer{background:var(--ink);color:#d2e0e5;padding:70px 0 20px;position:relative;overflow:hidden}
footer:before{content:"";position:absolute;inset:0;background:repeating-radial-gradient(ellipse at 20% 110%,transparent 0 55px,rgba(115,169,161,.06) 56px 57px,transparent 58px 100px);pointer-events:none}
footer .container{position:relative}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:38px}
.footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-copy{font-size:14px;line-height:1.8;color:#b9ced6;max-width:330px}
.footer-col h3{color:#fff;font-size:15px;margin:0 0 13px}
.footer-col a{display:block;color:#bdd0d7;font-size:14px;margin:7px 0}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(220,231,237,.17);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#aabfc8;font-size:12px}
@media(max-width:1024px){
 .nav-links{gap:17px}.brand{min-width:auto;font-size:15px}.page-layout{grid-template-columns:1fr}.sidebar{position:static}
 .index-links{grid-template-columns:repeat(2,1fr)}.scroll-card{padding:20px}.content-head{margin-top:8px}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 40px))}
 .topbar-inner{justify-content:center}.topbar-inner span:last-child{display:none}
 .main-header{height:70px}.nav-wrap{gap:12px}.brand{font-size:14px;line-height:1.35}.brand-mark{width:31px;height:31px}
 .nav-links{display:none}.nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 12px 20px rgba(24,53,72,.08)}
 .nav-links.open a{height:48px}.nav-links.open a:after{bottom:3px}.nav-cta{display:none}.menu-btn{display:inline-flex}
 h1{font-size:34px}.inner-hero{padding:42px 0}.hero-content .lead{font-size:15px}
 section{padding:64px 0}.content-head{display:block}.content-head h2{font-size:28px}
 .archive-card{grid-template-columns:55px minmax(0,1fr);gap:15px;padding:20px}.archive-symbol{width:53px;height:53px;border-radius:14px}
 .cta-panel{padding:30px;display:block}.cta-panel h2{font-size:25px}.cta-panel .btn{margin-top:20px}
 .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
}
@media(max-width:520px){
 .brand{max-width:220px}.topbar{font-size:12px}.breadcrumb{font-size:12px}
 .hero-badges{margin-bottom:12px}h1{font-size:30px;letter-spacing:-.8px}
 .index-links{grid-template-columns:1fr}.filter-box{padding:12px}.filter-pills{width:100%}
 .archive-card{grid-template-columns:1fr}.archive-symbol{width:48px;height:48px}
 .archive-top{align-items:flex-start}.card-bottom{align-items:flex-start;flex-direction:column}
 .pagination button:nth-child(3),.pagination button:nth-child(4){display:none}
 .cta-panel{padding:25px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
      --blue:#356f91;--blue-deep:#285c79;--ink:#183548;--muted:#5e7481;
      --paper:#f5f2ea;--mint:#73a9a1;--amber:#b97b31;--bg:#f7fafc;
      --line:#dce7ed;--white:#fff;--radius:16px;
      --shadow:0 10px 30px rgba(24,53,72,.08);
      --shadow-hover:0 18px 38px rgba(24,53,72,.14);
      --container:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .topbar{height:36px;background:var(--ink);color:#d7e5eb;font-size:13px}
    .topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar a{color:#d7e5eb}
    .topbar a:hover{color:#fff;text-decoration:underline}
    .main-header{height:80px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 16px rgba(24,53,72,.04);position:sticky;top:0;z-index:40}
    .nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;min-width:255px;font-size:17px;font-weight:800;letter-spacing:-.4px}
    .brand-mark{width:32px;height:36px;color:var(--blue);display:grid;place-items:center}
    .brand-mark svg{width:30px;height:34px}
    .nav-links{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:600}
    .nav-links a{height:80px;display:flex;align-items:center;position:relative;color:#45616f}
    .nav-links a:after{content:"";position:absolute;bottom:17px;left:50%;width:0;height:2px;background:var(--blue);transition:.22s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a:hover:after,.nav-links a.active:after{left:0;width:100%}
    .btn{min-height:44px;border-radius:10px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
    .btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);box-shadow:0 8px 18px rgba(53,111,145,.18)}
    .btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(40,92,121,.24)}
    .btn-secondary{background:#fff;color:var(--blue);border:1px solid #9dbecf}
    .btn-secondary:hover{background:#f1f8fb;border-color:var(--blue);transform:translateY(-2px)}
    .btn-text{padding:0;min-height:auto;color:var(--blue);border:0;background:transparent;text-decoration:underline;text-underline-offset:5px}
    .btn-text:hover{color:var(--blue-deep)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:9px;width:44px;height:44px;color:var(--ink)}
    section{padding:92px 0}
    .eyebrow{display:flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";display:block;width:24px;height:1px;background:var(--mint)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(32px,4.2vw,52px);line-height:1.25;letter-spacing:-1px;margin:16px 0 20px}
    h2{font-size:clamp(28px,3vw,38px);line-height:1.35;margin:15px 0}
    h3{font-size:21px;line-height:1.45;margin:0 0 10px}
    .lead{font-size:17px;line-height:1.9;color:var(--muted)}
    .hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .inner-hero{position:relative;overflow:hidden;padding:66px 0 72px;background:linear-gradient(180deg,#f9fcfd,#edf5f8)}
    .inner-hero:after{content:"";position:absolute;width:510px;height:510px;border:1px solid rgba(53,111,145,.1);border-radius:50%;right:-170px;top:-220px;box-shadow:0 0 0 35px rgba(115,169,161,.035),0 0 0 75px rgba(53,111,145,.025)}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:15px}
    .breadcrumb a{color:var(--blue)}
    .seal-panel{position:relative;z-index:1;min-height:320px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:30px;background-image:radial-gradient(rgba(53,111,145,.08) 1px,transparent 1px);background-size:22px 22px}
    .seal-panel:before,.seal-panel:after{content:"";position:absolute;width:120px;height:120px;border:1px solid rgba(53,111,145,.15);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}
    .seal-panel:after{width:190px;height:190px;border-style:dashed;transform:translate(-50%,-50%) rotate(25deg)}
    .seal-center{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);width:106px;height:106px;border-radius:50%;display:grid;place-items:center;text-align:center;background:var(--paper);border:1px solid #d8cdbb;color:var(--blue);font-weight:800;line-height:1.45}
    .seal-label{position:relative;z-index:3;display:flex;justify-content:space-between;color:var(--muted);font-size:13px}
    .content-layout{display:grid;grid-template-columns:260px 1fr;gap:54px;align-items:start}
    .timeline-nav{position:sticky;top:140px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
    .timeline-nav h3{font-size:17px;padding-bottom:16px;border-bottom:1px solid var(--line)}
    .timeline-nav a{display:flex;align-items:center;gap:10px;padding:12px 8px;color:var(--muted);border-bottom:1px solid #edf2f4;font-size:14px}
    .timeline-nav a:hover,.timeline-nav a.active{color:var(--blue);font-weight:700}
    .timeline-nav i{width:8px;height:8px;border:1px solid var(--mint);border-radius:50%;display:block}
    .timeline{position:relative}
    .timeline:before{content:"";position:absolute;left:18px;top:20px;bottom:20px;width:1px;background:#b8d2d8}
    .timeline-item{position:relative;display:grid;grid-template-columns:58px 1fr;gap:22px;margin-bottom:24px}
    .node{position:relative;z-index:1;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#edf6f8;border:1px solid #9fc2ca;color:var(--blue);font-size:12px;font-weight:800}
    .fold{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 30px;box-shadow:var(--shadow);transition:.25s}
    .fold:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#a8c8d8}
    .fold-top{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}
    .phase{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.1em}
    .fold ul{padding-left:20px;color:var(--muted);margin:16px 0}
    .fold li{margin:5px 0}
    .notice{padding:13px 15px;background:var(--paper);border-left:3px solid var(--amber);color:#6d604d;font-size:14px;border-radius:0 8px 8px 0}
    .materials{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .materials-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:start}
    .reading-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 25px}
    .reading-list a{padding:14px 0;border-bottom:1px solid var(--line);color:var(--blue);font-weight:700}
    .reading-list a span{display:block;color:var(--muted);font-size:13px;font-weight:400}
    .paper-note{background:var(--paper);border:1px solid #e6dece;border-radius:16px;padding:28px}
    .paper-note strong{display:block;margin-bottom:8px}
    .faq-wrap{max-width:860px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;min-height:62px;border:0;background:transparent;text-align:left;padding:15px 5px;display:flex;align-items:center;justify-content:space-between;gap:18px;color:var(--ink);font-size:16px;font-weight:800}
    .faq-question:hover{color:var(--blue)}
    .faq-mark{width:25px;height:25px;border:1px solid #9fc2ca;border-radius:50%;display:grid;place-items:center;color:var(--blue);flex:none}
    .faq-answer{display:none;padding:0 42px 19px 5px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-mark{background:var(--blue);color:#fff}
    .contact-box{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:42px;display:grid;grid-template-columns:.8fr 1.2fr;gap:62px;background-image:linear-gradient(135deg,rgba(245,242,234,.55),transparent 40%)}
    .contact-note{color:var(--muted)}
    .contact-note ul{padding-left:18px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;font-weight:700;color:var(--ink)}
    input,select,textarea{width:100%;border:1px solid #cbdde4;border-radius:9px;background:#fff;padding:11px 13px;color:var(--ink);outline:none}
    input,select{height:48px}
    textarea{min-height:105px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(53,111,145,.12)}
    .check{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-size:13px;margin:15px 0}
    .check input{width:17px;height:17px;margin-top:4px}
    .form-tip{font-size:12px;color:var(--muted);margin:10px 0 0}
    footer{background:var(--ink);color:#d7e5eb;padding:66px 0 22px;position:relative;overflow:hidden}
    footer:before{content:"";position:absolute;left:0;right:0;top:0;height:90px;opacity:.08;background:repeating-radial-gradient(ellipse at 70% 0,transparent 0 30px,#c4dbe1 31px 32px,transparent 33px 66px)}
    .footer-grid{position:relative;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px}
    .footer-brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:13px}
    .footer-copy{font-size:13px;color:#b8ccd4;max-width:285px}
    .footer-col{display:grid;align-content:start;gap:9px}
    .footer-col h3{font-size:14px;color:#fff;margin-bottom:8px}
    .footer-col a{font-size:13px;color:#b8ccd4}
    .footer-col a:hover{color:#fff;text-decoration:underline}
    .footer-bottom{position:relative;margin-top:45px;padding-top:18px;border-top:1px solid rgba(215,229,235,.15);display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#a9c0c9}
    :focus-visible{outline:3px solid rgba(185,123,49,.65);outline-offset:3px}
    @media(max-width:1023px){
      .nav-links{gap:14px}.brand{min-width:220px;font-size:15px}
      .hero-inner,.materials-grid{grid-template-columns:1fr;gap:35px}
      .content-layout{grid-template-columns:1fr;gap:28px}
      .timeline-nav{position:static;display:flex;align-items:center;gap:18px;overflow:auto;padding:14px 18px}
      .timeline-nav h3{white-space:nowrap;border:0;padding:0;margin:0}
      .timeline-nav a{white-space:nowrap;border:0;padding:7px}
      .contact-box{grid-template-columns:1fr;gap:30px}
    }
    @media(max-width:767px){
      .container{width:min(100% - 40px,var(--container))}
      .topbar{height:36px}.topbar-inner span:last-child{display:none}
      .main-header{height:72px}.nav-wrap{gap:10px}
      .brand{min-width:0;font-size:14px;line-height:1.3}.brand-mark{width:27px}
      .nav-links{display:none;position:absolute;left:20px;right:20px;top:80px;background:#fff;padding:12px 18px 20px;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);align-items:stretch;flex-direction:column;gap:0}
      .nav-links.show{display:flex}.nav-links a{height:52px}.nav-links a:after{bottom:5px;left:0}
      .menu-btn{display:block}.nav-cta{display:none}
      section{padding:68px 0}.inner-hero{padding:45px 0 54px}
      .seal-panel{min-height:270px}.fold{padding:23px 20px}.timeline-item{grid-template-columns:44px 1fr;gap:12px}
      .timeline:before{left:18px}.reading-list{grid-template-columns:1fr}
      .contact-box{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:1/-1}
      .footer-bottom{flex-direction:column;gap:5px}
    }
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}