/* roulang page: index */
:root{--blue:#1769d2;--blue-dark:#0d438f;--cyan:#16a7a0;--orange:#e58b4a;--ink:#17253b;--muted:#6b7890;--line:#e5ebf3;--bg:#f5f8fc;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(32,67,116,.09);--container:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}img{display:block;width:100%;object-fit:cover}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 40px));margin:auto}.topline{height:4px;background:var(--blue)}header{height:76px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav{height:76px;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;white-space:nowrap}.brand-mark{width:32px;height:32px;border-radius:8px;background:var(--blue);position:relative;box-shadow:8px 8px 0 #dceafa}.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border:2px solid white;border-radius:3px;left:9px;top:9px}.navlinks{display:flex;align-items:center;gap:7px;margin-left:auto}.navlinks a{padding:9px 13px;border-radius:10px;color:#53627a;font-size:14px}.navlinks a:hover,.navlinks a.active{color:var(--blue);background:#edf5ff}.nav-cta{background:var(--blue)!important;color:#fff!important;padding:10px 17px!important;box-shadow:0 7px 16px rgba(23,105,210,.2)}.hero{position:relative;overflow:hidden;background:#fff;padding:76px 0 82px;border-bottom:1px solid var(--line)}.hero:before{content:"";position:absolute;width:420px;height:420px;border:1px solid #dbe9f8;border-radius:50%;right:7%;top:-190px}.hero:after{content:"";position:absolute;width:220px;height:220px;border:1px dashed #b8d8f5;border-radius:50%;right:17%;bottom:-145px}.eyebrow,.kicker{color:var(--blue);font-weight:750;font-size:13px;letter-spacing:.12em}.hero h1{font-size:clamp(34px,5vw,62px);line-height:1.15;letter-spacing:-.04em;max-width:700px;margin:18px 0 20px}.hero h1 em{font-style:normal;color:var(--blue)}.hero p{max-width:690px;color:#617089;font-size:17px;margin:0 0 30px}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:10px;padding:12px 20px;font-weight:700;transition:.2s}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,210,.2)}.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}.btn-light{border-color:#cddbeb;color:var(--blue);background:#fff}.btn-light:hover{background:#edf5ff}.section{padding:78px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.section-head h2{font-size:29px;line-height:1.25;margin:7px 0 0;letter-spacing:-.02em}.section-head p{color:var(--muted);max-width:550px;margin:0;font-size:14px}.more{color:var(--blue);font-weight:700;font-size:14px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric{background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px;box-shadow:var(--shadow)}.metric strong{display:block;font-size:34px;color:var(--blue);line-height:1}.metric span{display:block;color:var(--muted);font-size:13px;margin-top:10px}.metric i{display:block;width:38px;height:3px;background:var(--cyan);margin-top:17px;border-radius:5px}.service-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}.service{padding:27px;background:#eef6ff;border-radius:var(--radius);min-height:180px;border:1px solid #dbeafa}.service:nth-child(2){background:#effaf8}.service:nth-child(3){background:#fff7ed}.service:nth-child(4){grid-column:1/3;background:#fff}.service h3{margin:12px 0 7px;font-size:19px}.service p{margin:0;color:var(--muted);font-size:14px}.service .icon{color:var(--blue);font-size:23px}.latest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.content-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:0 8px 22px rgba(26,64,107,.06);transition:.2s}.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.cover{aspect-ratio:1.6;position:relative}.cover img{height:100%}.badge{position:absolute;top:11px;left:11px;background:#fff;color:var(--blue);border-radius:6px;padding:3px 8px;font-size:11px;font-weight:800}.card-body{padding:15px}.card-body h3{font-size:16px;margin:0 0 5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.score{color:#d8792f;font-weight:800}.popular-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:16px}.popular{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;min-height:92px}.popular:first-child{grid-row:span 2;display:block;padding:0;overflow:hidden}.popular:first-child img{height:180px}.popular:first-child .poptext{padding:16px}.popular img{width:92px;height:68px;border-radius:9px}.poptext h3{font-size:15px;margin:0 0 3px}.poptext p{font-size:12px;color:var(--muted);margin:0}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}.compare-box{border:1px solid var(--line);border-radius:16px;background:#fff;padding:24px}.compare-box.featured{background:#eaf4ff;border-color:#c7def7}.compare-box h3{margin:0 0 18px}.compare-row{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:12px 0;font-size:14px}.compare-row span:last-child{font-weight:700;color:var(--blue)}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid #c9def5;margin-top:28px}.node{position:relative;padding:27px 18px 0}.node:before{content:"";position:absolute;width:13px;height:13px;border:3px solid #fff;background:var(--blue);border-radius:50%;top:-8px;left:18px;box-shadow:0 0 0 2px #b9d8f5}.node strong{font-size:14px;color:var(--blue)}.node h3{font-size:17px;margin:9px 0 5px}.node p{font-size:13px;color:var(--muted);margin:0}.channels{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.channel{background:#fff;padding:22px;border:1px solid var(--line);border-radius:15px;transition:.2s}.channel:hover{border-color:#8bbbe9;transform:translateY(-3px)}.channel h3{margin:0 0 8px}.channel p{font-size:13px;color:var(--muted);margin:0}.channel small{color:var(--blue);font-weight:700}.rank-news{display:grid;grid-template-columns:1fr 1.12fr;gap:40px}.ranking{list-style:none;padding:0;margin:0}.ranking li{display:grid;grid-template-columns:34px 1fr 70px 48px;align-items:center;border-bottom:1px solid var(--line);padding:11px 5px;font-size:14px}.ranking li:first-child,.ranking li:nth-child(2),.ranking li:nth-child(3){background:#f0f7ff;border-radius:7px}.rank-no{font-weight:800;color:#96a3b6}.ranking li:nth-child(-n+3) .rank-no{color:var(--orange)}.heat{color:var(--muted);font-size:12px}.news-list{display:flex;flex-direction:column;gap:11px}.news{display:grid;grid-template-columns:78px 1fr 95px;gap:13px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:11px}.news img{height:52px;border-radius:8px}.news h3{font-size:14px;margin:0;line-height:1.45}.news time{color:#8b98a9;font-size:12px;text-align:right}.specials{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.special-main{background:#173d73;color:#fff;border-radius:20px;padding:32px;min-height:240px;position:relative;overflow:hidden}.special-main:after{content:"专题  /  观察";position:absolute;right:25px;bottom:24px;color:#a9c9ed;font-size:13px}.special-main h3{font-size:27px;margin:15px 0 10px}.special-main p{color:#c9dbef;max-width:520px}.special-side{display:grid;gap:18px}.special-side article{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px}.special-side h3{margin:0 0 5px;font-size:17px}.special-side p{font-size:13px;color:var(--muted);margin:0}.updates{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.update{padding:18px 20px;background:#fff;border-left:3px solid var(--cyan);border-radius:0 12px 12px 0;box-shadow:0 5px 16px rgba(33,72,115,.05)}.update time{font-size:12px;color:var(--blue);font-weight:700}.update p{margin:6px 0 0;font-size:14px}.assurance{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.assure{padding:24px;background:#fff;border:1px solid var(--line);border-radius:15px}.assure b{display:block;font-size:18px;margin-bottom:7px}.assure span{font-size:13px;color:var(--muted)}.faq-form{display:grid;grid-template-columns:1fr .9fr;gap:55px;align-items:start}.faq details{background:#fff;border-bottom:1px solid var(--line);padding:17px 0}.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"＋";color:var(--blue);font-size:20px}.faq details[open] summary:after{content:"－"}.faq details p{color:var(--muted);font-size:14px;margin:12px 25px 0 0}.form-box{background:#eaf4ff;border:1px solid #d2e6fb;border-radius:18px;padding:27px}.form-box h2{margin:0 0 7px}.form-box p{font-size:13px;color:var(--muted);margin:0 0 20px}.field{margin-bottom:13px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}.field input{width:100%;border:1px solid #c9d9ec;background:#fff;border-radius:9px;padding:11px 12px;outline:none}.field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,210,.12)}.form-box .btn{width:100%}.privacy{font-size:11px!important;margin-top:12px!important}.footer{background:#13243c;color:#d5e0ef;padding:52px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}.footer h3{color:#fff;font-size:15px;margin:0 0 14px}.footer p,.footer a{font-size:13px;color:#aebed2}.footer a{display:block;margin:7px 0}.footer a:hover{color:#fff}.footer-brand{font-size:21px!important;font-weight:800;color:#fff!important}.copyright{border-top:1px solid #2d4059;margin-top:35px;padding-top:18px;color:#91a4bb;font-size:12px;display:flex;justify-content:space-between}
:focus-visible{outline:3px solid #f0a45d;outline-offset:3px}
@media(max-width:1024px){.latest-grid{grid-template-columns:repeat(3,1fr)}.channels{grid-template-columns:repeat(2,1fr)}.nav{gap:15px}.navlinks a{padding:8px 7px}.service-grid{grid-template-columns:1fr 1fr}.service:nth-child(4){grid-column:auto}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 28px,var(--container))}.nav{height:66px}.navlinks{overflow-x:auto;white-space:nowrap}.navlinks a:nth-child(n+5){display:none}header{height:66px}.hero{padding:55px 0 62px}.hero h1{font-size:42px}.metrics{grid-template-columns:repeat(2,1fr)}.latest-grid{grid-template-columns:repeat(2,1fr)}.popular-grid,.comparison,.rank-news,.specials,.faq-form{grid-template-columns:1fr}.popular:first-child{grid-row:auto;display:flex;padding:12px}.popular:first-child img{height:68px;width:92px}.timeline{grid-template-columns:repeat(2,1fr);row-gap:24px}.updates{grid-template-columns:1fr}.assurance{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.brand{font-size:17px}.brand-mark{width:28px;height:28px}.navlinks{margin-left:0}.navlinks a{font-size:12px;padding:7px 5px}.nav-cta{display:none!important}.hero h1{font-size:35px}.hero p{font-size:15px}.section{padding:55px 0}.section-head{display:block}.section-head h2{font-size:25px}.section-head p{margin-top:10px}.metrics,.latest-grid,.service-grid,.channels,.assurance{grid-template-columns:1fr}.service{min-height:auto}.news{grid-template-columns:65px 1fr}.news time{grid-column:2;text-align:left}.timeline{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}.footer-grid{grid-template-columns:1fr 1fr}.special-main h3{font-size:23px}}

/* roulang page: category1 */
:root{--blue:#1769d2;--blue-dark:#0d438f;--cyan:#16a7a0;--orange:#e58b4a;--ink:#17253b;--muted:#6b7890;--line:#e5ebf3;--bg:#f5f8fc;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(32,67,116,.09);--container:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
header{height:76px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav{height:76px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:8px;background:var(--blue);position:relative;box-shadow:8px 8px 0 #dceafa}
.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border:2px solid white;border-radius:3px;left:9px;top:9px}
.navlinks{display:flex;align-items:center;gap:5px;margin-left:auto}
.navlinks a{padding:9px 11px;border-radius:10px;color:#53627a;font-size:14px;white-space:nowrap}
.navlinks a:hover,.navlinks a.active{color:var(--blue);background:#edf5ff}
.nav-cta{background:var(--blue)!important;color:#fff!important;padding:10px 17px!important;box-shadow:0 7px 16px rgba(23,105,210,.2)}
.nav-cta:hover{background:var(--blue-dark)!important}
.page-intro{background:#fff;padding:28px 0 66px;border-bottom:1px solid var(--line)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:45px}
.breadcrumb a{color:var(--blue)}
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.kicker{color:var(--blue);font-weight:750;font-size:13px;letter-spacing:.12em}
.page-intro h1{font-size:clamp(35px,5vw,61px);line-height:1.16;letter-spacing:-.04em;margin:16px 0 18px}
.page-intro h1 em{font-style:normal;color:var(--blue)}
.page-intro p{max-width:650px;color:var(--muted);font-size:17px;margin:0}
.intro-visual{height:330px;border-radius:24px;background:#e9f3ff;border:1px solid #d5e6fa;position:relative;overflow:hidden;padding:25px}
.intro-visual:before{content:"";position:absolute;width:290px;height:290px;border:1px solid #b8d8f5;border-radius:50%;right:-80px;top:-70px}
.intro-visual:after{content:"";position:absolute;width:160px;height:160px;border:1px dashed #91bee9;border-radius:50%;left:-40px;bottom:-65px}
.visual-card{position:relative;z-index:1;background:#fff;border-radius:16px;padding:20px;box-shadow:var(--shadow);width:78%;margin:35px auto 0}
.visual-card strong{display:block;font-size:24px;color:var(--blue);margin:8px 0}
.visual-card span{font-size:13px;color:var(--muted)}
.visual-line{height:5px;background:#dceafa;border-radius:8px;margin:15px 0 8px}
.visual-line i{display:block;width:72%;height:100%;background:var(--cyan);border-radius:8px}
.section{padding:72px 0}
.section.alt{background:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
.section-head h2{font-size:29px;line-height:1.25;margin:7px 0 0;letter-spacing:-.02em}
.section-head p{color:var(--muted);max-width:550px;margin:0;font-size:14px}
.filterbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 22px rgba(26,64,107,.05)}
.filter-label{font-size:13px;font-weight:700;margin-right:8px}
.filterbar button{border:1px solid #d6e2f0;background:#fff;color:var(--muted);border-radius:9px;padding:8px 14px;font-size:13px;transition:.2s}
.filterbar button:hover,.filterbar button.current{border-color:var(--blue);background:#edf5ff;color:var(--blue)}
.article-layout{display:grid;grid-template-columns:1.45fr .75fr;gap:26px}
.article-list{display:flex;flex-direction:column;gap:15px}
.article-item{display:grid;grid-template-columns:190px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px;transition:.2s}
.article-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.article-art{height:145px;border-radius:11px;display:flex;align-items:end;padding:13px;color:#fff;font-weight:750;font-size:17px;position:relative;overflow:hidden}
.article-art:after{content:"";position:absolute;width:130px;height:130px;border:1px solid rgba(255,255,255,.38);border-radius:50%;right:-35px;top:-30px}
.art-one{background:linear-gradient(135deg,#1b5da8,#52b9c3)}
.art-two{background:linear-gradient(135deg,#273b70,#d28658)}
.art-three{background:linear-gradient(135deg,#147d76,#b0c957)}
.art-four{background:linear-gradient(135deg,#4e528e,#d56c8c)}
.article-text h3{font-size:19px;line-height:1.4;margin:9px 0 8px}
.article-text p{color:var(--muted);font-size:14px;margin:0 0 13px}
.meta{display:flex;gap:13px;color:var(--muted);font-size:12px;align-items:center}
.tag{display:inline-flex;background:#edf5ff;color:var(--blue);border-radius:6px;padding:3px 8px;font-size:11px;font-weight:750}
.side-note{background:#173d73;color:#fff;border-radius:20px;padding:28px;min-height:320px;position:relative;overflow:hidden}
.side-note:after{content:"观察 / 记录";position:absolute;right:22px;bottom:22px;color:#a9c9ed;font-size:12px}
.side-note h3{font-size:24px;line-height:1.35;margin:12px 0}
.side-note p{color:#c9dbef;font-size:14px}
.side-note ul{padding:0;margin:24px 0 0;list-style:none}
.side-note li{border-top:1px solid rgba(255,255,255,.18);padding:10px 0;font-size:13px;color:#e4effa}
.feature-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
.feature-main{background:#eaf4ff;border:1px solid #cfe3f8;border-radius:19px;padding:29px;min-height:235px}
.feature-main h3{font-size:26px;line-height:1.35;margin:10px 0}
.feature-main p{color:var(--muted);max-width:570px}
.feature-side{display:flex;flex-direction:column;gap:12px}
.mini-item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px 18px}
.mini-item strong{display:block;font-size:15px;margin-bottom:4px}
.mini-item span{font-size:12px;color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #c9d9ec;margin-top:32px}
.node{position:relative;padding:25px 18px 0 0}
.node:before{content:"";position:absolute;width:11px;height:11px;border:3px solid var(--blue);background:#fff;border-radius:50%;top:-8px;left:0}
.node strong{display:block;color:var(--blue);font-size:14px;margin-bottom:7px}
.node h3{font-size:16px;margin:0 0 5px}
.node p{font-size:13px;color:var(--muted);margin:0}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.faq-wrap h2{font-size:29px;line-height:1.3;margin:7px 0 12px}
.faq-wrap>div>p{color:var(--muted);font-size:14px}
.faq details{background:#fff;border-bottom:1px solid var(--line);padding:17px 0}
.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between}
.faq summary:after{content:"＋";color:var(--blue);font-size:20px}
.faq details[open] summary:after{content:"－"}
.faq details p{color:var(--muted);font-size:14px;margin:12px 25px 0 0}
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:34px}
.pagination a,.pagination span{min-width:38px;text-align:center;padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted);font-size:13px}
.pagination .current{background:var(--blue);border-color:var(--blue);color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:10px;padding:11px 19px;font-weight:700;transition:.2s}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,210,.2)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-light{border-color:#cddbeb;color:var(--blue);background:#fff}
.btn-light:hover{background:#edf5ff}
.footer{background:#13243c;color:#d5e0ef;padding:52px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer h3{color:#fff;font-size:15px;margin:0 0 14px}
.footer p,.footer a{font-size:13px;color:#aebed2}
.footer a{display:block;margin:7px 0}
.footer a:hover{color:#fff}
.footer-brand{font-size:21px!important;font-weight:800;color:#fff!important}
.copyright{border-top:1px solid #2d4059;margin-top:35px;padding-top:18px;color:#91a4bb;font-size:12px;display:flex;justify-content:space-between}
:focus-visible{outline:3px solid rgba(23,105,210,.35);outline-offset:3px}
@media(max-width:900px){
 .nav{gap:14px}.navlinks{overflow-x:auto}.navlinks a{padding:8px 7px}.nav-cta{display:none!important}
 .intro-grid,.article-layout,.feature-grid,.faq-wrap{grid-template-columns:1fr;gap:28px}
 .intro-visual{max-width:620px}.timeline{grid-template-columns:repeat(2,1fr);row-gap:20px}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
 .container{width:min(100% - 28px,var(--container))}
 header,.nav{height:66px}.brand{font-size:17px}.brand-mark{width:28px;height:28px}
 .navlinks a{font-size:12px;padding:7px 5px}.navlinks a:nth-child(n+5){display:none}
 .page-intro{padding:22px 0 46px}.breadcrumb{margin-bottom:30px}
 .page-intro h1{font-size:36px}.page-intro p{font-size:15px}.intro-visual{height:260px}
 .section{padding:54px 0}.section-head{display:block}.section-head p{margin-top:10px}
 .article-item{grid-template-columns:1fr;gap:10px}.article-art{height:145px}
 .timeline{grid-template-columns:1fr}.node{padding-left:22px;padding-top:0;border-left:1px solid #c9d9ec;padding-bottom:25px}.node:before{left:-7px;top:2px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:20px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
}

/* roulang page: category2 */
:root{
  --blue:#1769d2;
  --blue-dark:#0d438f;
  --cyan:#16a7a0;
  --orange:#e58b4a;
  --ink:#17253b;
  --muted:#6b7890;
  --line:#e5ebf3;
  --bg:#f5f8fc;
  --white:#fff;
  --radius:18px;
  --shadow:0 14px 38px rgba(32,67,116,.09);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
header{height:76px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav{height:76px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:8px;background:var(--blue);position:relative;box-shadow:8px 8px 0 #dceafa}
.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border:2px solid white;border-radius:3px;left:9px;top:9px}
.navlinks{display:flex;align-items:center;gap:6px;margin-left:auto}
.navlinks a{padding:9px 12px;border-radius:10px;color:#53627a;font-size:14px;white-space:nowrap}
.navlinks a:hover,.navlinks a.active{color:var(--blue);background:#edf5ff}
.nav-cta{background:var(--blue)!important;color:#fff!important;padding:10px 16px!important;box-shadow:0 7px 16px rgba(23,105,210,.2)}
.page-intro{background:#fff;border-bottom:1px solid var(--line);padding:48px 0 42px}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:25px}
.breadcrumb a{color:var(--blue)}
.intro-grid{display:grid;grid-template-columns:1fr 340px;gap:55px;align-items:end}
.kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.1em}
.page-intro h1{font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-.04em;margin:14px 0 17px}
.page-intro h1 em{font-style:normal;color:var(--blue)}
.page-intro p{max-width:700px;color:var(--muted);font-size:16px;margin:0}
.index-panel{border-left:3px solid var(--cyan);padding:14px 0 14px 21px}
.index-panel strong{display:block;font-size:30px;line-height:1.2;color:var(--blue)}
.index-panel span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
.section{padding:58px 0}
.section.alt{background:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}
.section-head h2{font-size:27px;line-height:1.3;margin:6px 0 0}
.section-head p{color:var(--muted);font-size:14px;margin:0;max-width:540px}
.filterbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 19px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 8px 22px rgba(26,64,107,.05)}
.filter-group{display:flex;gap:8px;flex-wrap:wrap}
.filter{border:1px solid #d7e1ee;background:#fff;color:#5b6a80;border-radius:8px;padding:8px 15px;font-size:13px;transition:.2s}
.filter:hover,.filter.current{background:#edf5ff;border-color:#bcd7f5;color:var(--blue)}
.sort{border:1px solid #d7e1ee;border-radius:8px;background:#fff;color:var(--muted);padding:8px 12px;outline:none}
.topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.topic-item{display:grid;grid-template-columns:190px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:12px;box-shadow:0 8px 22px rgba(26,64,107,.05);transition:.2s}
.topic-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.topic-cover{height:145px;border-radius:10px;overflow:hidden;background:#dceafa}
.topic-cover img{height:100%}
.topic-item h3{font-size:18px;line-height:1.4;margin:7px 0 7px}
.topic-item p{font-size:13px;color:var(--muted);margin:0 0 12px}
.meta-line{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#8190a5;font-size:12px}
.tag{display:inline-flex;align-items:center;border-radius:5px;padding:3px 8px;background:#eaf4ff;color:var(--blue);font-size:11px;font-weight:800}
.feature-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}
.feature-main{min-height:310px;border-radius:18px;padding:30px;background:#173d73;color:#fff;position:relative;overflow:hidden}
.feature-main:after{content:"专题 / 观察";position:absolute;right:27px;bottom:25px;color:#a9c9ed;font-size:13px}
.feature-main .tag{background:#d9f4f0;color:#147b76}
.feature-main h3{font-size:29px;line-height:1.35;max-width:520px;margin:22px 0 12px}
.feature-main p{color:#c8d9ec;max-width:520px;font-size:14px}
.feature-side{display:flex;flex-direction:column;gap:12px}
.side-story{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px;transition:.2s}
.side-story:hover{border-color:#bbd6f2;transform:translateX(3px)}
.side-story h3{font-size:16px;margin:8px 0 5px}
.side-story p{font-size:13px;color:var(--muted);margin:0}
.timeline{position:relative;padding-left:25px;border-left:2px solid #cfe1f5}
.timeline-item{position:relative;padding:0 0 24px 20px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-31px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--cyan);border:4px solid #e4f5f3}
.timeline-date{font-size:12px;color:var(--blue);font-weight:800}
.timeline h3{font-size:16px;margin:4px 0}
.timeline p{font-size:13px;color:var(--muted);margin:0}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}
.faq-lead h2{font-size:29px;line-height:1.3;margin:6px 0 10px}
.faq-lead p{color:var(--muted);font-size:14px}
.faq details{background:#fff;border-bottom:1px solid var(--line);padding:17px 0}
.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary:after{content:"＋";color:var(--blue);font-size:20px}
.faq details[open] summary:after{content:"－"}
.faq details p{color:var(--muted);font-size:14px;margin:11px 28px 0 0}
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:30px}
.page-number{width:36px;height:36px;border:1px solid #d3dfed;background:#fff;color:var(--muted);border-radius:8px;display:grid;place-items:center;font-size:13px}
.page-number:hover,.page-number.current{background:var(--blue);color:#fff;border-color:var(--blue)}
.more-link{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-weight:700;font-size:14px}
.more-link:hover{color:var(--blue-dark)}
.footer{background:#13243c;color:#d5e0ef;padding:52px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer h3{color:#fff;font-size:15px;margin:0 0 14px}
.footer p,.footer a{font-size:13px;color:#aebed2}
.footer a{display:block;margin:7px 0}
.footer a:hover{color:#fff}
.footer-brand{font-size:21px!important;font-weight:800;color:#fff!important}
.copyright{border-top:1px solid #2d4059;margin-top:35px;padding-top:18px;color:#91a4bb;font-size:12px;display:flex;justify-content:space-between}
:focus-visible{outline:3px solid rgba(23,105,210,.35);outline-offset:3px}
@media(max-width:1024px){
  .navlinks a{padding:8px 8px}
  .intro-grid{grid-template-columns:1fr 250px;gap:30px}
  .topic-item{grid-template-columns:145px 1fr}
  .topic-cover{height:130px}
}
@media(max-width:768px){
  .container{width:min(100% - 28px,var(--container))}
  header,.nav{height:66px}
  .nav{gap:14px}
  .brand{font-size:17px}
  .brand-mark{width:28px;height:28px}
  .navlinks{overflow-x:auto;margin-left:0}
  .navlinks a{font-size:12px;padding:7px 6px}
  .navlinks a:nth-child(n+5){display:none}
  .nav-cta{display:none!important}
  .page-intro{padding:36px 0}
  .intro-grid,.feature-grid,.faq-wrap{grid-template-columns:1fr}
  .index-panel{border-left:0;border-top:2px solid var(--cyan);padding:15px 0 0}
  .section{padding:45px 0}
  .section-head{display:block}
  .section-head p{margin-top:8px}
  .topic-list{grid-template-columns:1fr}
  .topic-item{grid-template-columns:170px 1fr}
  .filterbar{align-items:flex-start;flex-direction:column}
  .sort{width:100%}
  .feature-main{min-height:260px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .page-intro h1{font-size:35px}
  .topic-item{grid-template-columns:1fr}
  .topic-cover{height:170px}
  .topic-item h3{font-size:17px}
  .section-head h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:20px}
  .copyright{display:block}
  .copyright span{display:block;margin-top:5px}
}

/* roulang page: category3 */
:root{--blue:#1769d2;--blue-dark:#0d438f;--cyan:#16a7a0;--orange:#e58b4a;--ink:#17253b;--muted:#6b7890;--line:#e5ebf3;--bg:#f5f8fc;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(32,67,116,.09);--container:1180px}
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
        a{color:inherit;text-decoration:none}
        img{display:block;width:100%;object-fit:cover}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:auto}
        header{height:76px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
        .nav{height:76px;display:flex;align-items:center;gap:25px}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;white-space:nowrap}
        .brand-mark{width:32px;height:32px;border-radius:8px;background:var(--blue);position:relative;box-shadow:8px 8px 0 #dceafa}
        .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border:2px solid white;border-radius:3px;left:9px;top:9px}
        .navlinks{display:flex;align-items:center;gap:3px;margin-left:auto;overflow-x:auto;white-space:nowrap}
        .navlinks a{padding:9px 10px;border-radius:10px;color:#53627a;font-size:14px}
        .navlinks a:hover,.navlinks a.active{color:var(--blue);background:#edf5ff}
        .nav-cta{background:var(--blue)!important;color:#fff!important;padding:10px 16px!important;box-shadow:0 7px 16px rgba(23,105,210,.2)}
        .page-intro{background:#fff;border-bottom:1px solid var(--line);padding:38px 0 50px}
        .crumb{font-size:13px;color:var(--muted);margin-bottom:24px}
        .crumb a{color:var(--blue)}
        .intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:end}
        .kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.1em}
        h1{font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-.03em;margin:15px 0 17px}
        .intro-copy{font-size:17px;color:#617089;max-width:690px;margin:0}
        .intro-note{border-left:3px solid var(--cyan);padding:16px 0 16px 22px;color:var(--muted);font-size:14px}
        .section{padding:72px 0}
        .section.alt{background:#fff}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:27px}
        .section-head h2{font-size:28px;line-height:1.25;margin:7px 0 0}
        .section-head p{color:var(--muted);max-width:520px;margin:0;font-size:14px}
        .filter-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 15px;box-shadow:0 8px 22px rgba(26,64,107,.05)}
        .filter-label{font-size:13px;font-weight:700;color:var(--ink);margin-right:5px}
        .filter{border:1px solid #d7e2ef;background:#f8fbff;color:#60708a;border-radius:8px;padding:8px 12px;font-size:13px}
        .filter.current{color:var(--blue);border-color:#a9c9ed;background:#edf5ff}
        .article-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .article-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:0 8px 22px rgba(26,64,107,.06);transition:.2s}
        .article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .article-card img{aspect-ratio:1.5}
        .article-body{padding:15px}
        .article-body h3{font-size:17px;line-height:1.45;margin:7px 0 8px}
        .article-body p{font-size:13px;color:var(--muted);margin:0 0 12px}
        .article-meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
        .tag{display:inline-flex;background:#edf5ff;color:var(--blue);border-radius:6px;padding:3px 8px;font-size:11px;font-weight:800}
        .featured-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
        .featured-main{position:relative;min-height:310px;border-radius:18px;overflow:hidden;background:#173d73;color:#fff;padding:30px;display:flex;flex-direction:column;justify-content:end}
        .featured-main img{position:absolute;inset:0;height:100%;opacity:.28}
        .featured-content{position:relative;z-index:1;max-width:560px}
        .featured-content h3{font-size:30px;line-height:1.3;margin:13px 0 8px}
        .featured-content p{color:#d7e6f7;margin:0}
        .featured-side{display:grid;gap:14px}
        .side-item{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:13px;background:#fff;border:1px solid var(--line);border-radius:13px}
        .side-item img{height:88px;border-radius:9px}
        .side-item h3{font-size:15px;line-height:1.45;margin:3px 0}
        .side-item p{font-size:12px;color:var(--muted);margin:0}
        .timeline{position:relative;max-width:850px;margin:auto;padding-left:28px}
        .timeline:before{content:"";position:absolute;left:6px;top:7px;bottom:7px;width:2px;background:#cfe1f5}
        .timeline-item{position:relative;padding:0 0 25px 22px}
        .timeline-item:before{content:"";position:absolute;left:-28px;top:7px;width:11px;height:11px;border:3px solid var(--blue);background:#fff;border-radius:50%}
        .timeline-item time{font-size:12px;color:var(--blue);font-weight:800}
        .timeline-item h3{font-size:17px;margin:3px 0 2px}
        .timeline-item p{font-size:13px;color:var(--muted);margin:0}
        .faq-list{max-width:850px;margin:auto}
        .faq-list details{background:#fff;border-bottom:1px solid var(--line);padding:18px 0}
        .faq-list summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;font-weight:700}
        .faq-list summary:after{content:"＋";color:var(--blue);font-size:20px}
        .faq-list details[open] summary:after{content:"－"}
        .faq-list details p{color:var(--muted);font-size:14px;margin:12px 28px 0 0}
        .pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:34px}
        .page-number,.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:10px;padding:11px 18px;font-weight:700;transition:.2s}
        .page-number{width:40px;height:40px;padding:0;border-color:#d6e2ef;background:#fff;color:var(--muted);font-size:13px}
        .page-number.current,.page-number:hover{background:var(--blue);border-color:var(--blue);color:#fff}
        .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,210,.2)}
        .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
        .subscribe{background:#eaf4ff;border:1px solid #d2e6fb;border-radius:18px;padding:30px;display:flex;align-items:center;justify-content:space-between;gap:25px}
        .subscribe h2{margin:0 0 6px;font-size:25px}
        .subscribe p{margin:0;color:var(--muted);font-size:14px}
        .subscribe form{display:flex;gap:9px;min-width:380px}
        .subscribe input{width:100%;border:1px solid #c9d9ec;background:#fff;border-radius:9px;padding:11px 12px;outline:none}
        .subscribe input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,210,.12)}
        .footer{background:#13243c;color:#d5e0ef;padding:52px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
        .footer h3{color:#fff;font-size:15px;margin:0 0 14px}
        .footer p,.footer a{font-size:13px;color:#aebed2}
        .footer a{display:block;margin:7px 0}
        .footer a:hover{color:#fff}
        .footer-brand{font-size:21px!important;font-weight:800;color:#fff!important}
        .copyright{border-top:1px solid #2d4059;margin-top:35px;padding-top:18px;color:#91a4bb;font-size:12px;display:flex;justify-content:space-between}
        :focus-visible{outline:3px solid rgba(23,105,210,.35);outline-offset:3px}
        @media(max-width:1024px){
            .article-grid{grid-template-columns:repeat(3,1fr)}
            .navlinks a:nth-child(n+6){display:none}
        }
        @media(max-width:768px){
            .container{width:min(100% - 28px,var(--container))}
            header,.nav{height:66px}
            .nav{gap:15px}
            .brand{font-size:17px}
            .brand-mark{width:28px;height:28px}
            .navlinks{margin-left:0}
            .navlinks a{font-size:12px;padding:7px 6px}
            .nav-cta{display:none!important}
            .intro-grid,.featured-layout{grid-template-columns:1fr;gap:24px}
            .page-intro{padding:29px 0 38px}
            .section{padding:52px 0}
            .section-head{display:block}
            .section-head p{margin-top:10px}
            .article-grid{grid-template-columns:repeat(2,1fr)}
            .subscribe{display:block}
            .subscribe form{min-width:0;margin-top:20px}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:520px){
            h1{font-size:35px}
            .article-grid{grid-template-columns:1fr}
            .side-item{grid-template-columns:105px 1fr}
            .side-item img{height:78px}
            .subscribe form{display:block}
            .subscribe .btn{width:100%;margin-top:9px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
            .copyright{display:block}
            .copyright span{display:block;margin-top:5px}
        }