/* roulang page: index */
:root{
 --pine:#173a32;--pine-2:#245246;--lime:#b6d939;--coral:#e9784b;
 --ink:#1b211e;--muted:#69746c;--paper:#f7f7f2;--mist:#eef2ec;
 --line:#dbe3d9;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(23,58,50,.09);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);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;transition:.25s ease}a:hover{color:var(--pine-2)}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(182,217,57,.7);outline-offset:3px}.container{max-width:1200px}.topbar{background:var(--pine);color:#dfe9dd;font-size:12px;padding:7px 0}.topbar .wrap{display:flex;justify-content:space-between;gap:20px}.topbar span{margin-right:18px}.topbar b{color:var(--lime);font-weight:600}.site-header{position:sticky;top:0;z-index:20;background:rgba(247,247,242,.98);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(23,58,50,.05)}.navbar{min-height:76px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--pine);letter-spacing:-.5px}.brand-mark{width:38px;height:38px;border:2px solid var(--pine);border-radius:11px;position:relative;overflow:hidden}.brand-mark:before{content:"";position:absolute;width:48px;height:22px;border-top:2px solid var(--lime);border-radius:50%;transform:rotate(-24deg);top:12px;left:-7px}.brand-mark:after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--coral);right:7px;top:8px}.brand-text{font-size:17px}.navbar-nav{gap:3px}.nav-link{font-size:14px;font-weight:600;color:#526057!important;padding:10px 12px!important;border-radius:9px}.nav-link:hover,.nav-link.active{background:#e7eee4;color:var(--pine)!important}.btn{border-radius:10px;padding:11px 19px;font-weight:700;border:1px solid transparent;min-height:44px}.btn-lime{background:var(--lime);color:var(--pine)}.btn-lime:hover{background:var(--pine);color:var(--lime);transform:translateY(-2px)}.btn-outline-pine{border-color:var(--pine);color:var(--pine)}.btn-outline-pine:hover{background:var(--pine);color:#fff}.text-link{font-weight:700;color:var(--pine);border-bottom:1px solid var(--lime);padding-bottom:2px}.eyebrow{color:var(--coral);font-size:12px;letter-spacing:2px;font-weight:800;text-transform:uppercase}.section{padding:94px 0;scroll-margin-top:90px}.section-head{max-width:720px;margin-bottom:42px}.section-head h2{font-size:34px;line-height:1.3;margin:10px 0 15px;color:var(--pine);font-weight:800}.section-head p{color:var(--muted);margin:0}.hero{padding:52px 0 26px;background:var(--paper);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid #dce8d5;border-radius:50%;right:-150px;top:-170px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.hero-main{min-height:510px;border-radius:24px;background:linear-gradient(90deg,rgba(16,43,36,.95),rgba(23,58,50,.55)),url('/assets/images/backpic/back-1.webp') center/cover;display:flex;align-items:flex-end;padding:48px;color:white;position:relative}.hero-main h1{font-size:52px;line-height:1.18;letter-spacing:-2px;max-width:650px;margin:12px 0 18px}.hero-main p{max-width:650px;color:#e6eee5;margin-bottom:26px}.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.hero-actions .text-link{color:#fff}.hero-side{display:grid;grid-template-rows:1fr 1fr;gap:18px}.mini-panel{border-radius:20px;padding:28px;background:#e8efe5;border:1px solid var(--line);position:relative;overflow:hidden}.mini-panel.dark{background:var(--ink);color:#fff}.mini-panel h3{font-size:20px;line-height:1.35;margin:12px 0}.mini-panel p{font-size:14px;color:var(--muted);margin:0}.dark p{color:#b4c1b6}.metric-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:27px}.metric-row strong{display:block;font-size:24px;color:var(--lime);font-family:ui-monospace,monospace}.metric-row small{font-size:12px;color:#b7c7b9}.hero-strip{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:14px;display:flex;justify-content:space-around;padding:14px;box-shadow:var(--shadow)}.hero-strip div{padding:0 22px;border-right:1px solid var(--line);font-size:13px;color:var(--muted)}.hero-strip div:last-child{border:0}.hero-strip b{display:block;color:var(--pine);font-size:17px}.pain{background:#fff}.pain-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:center}.pain-list{counter-reset:item}.pain-item{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.pain-item:before{counter-increment:item;content:"0" counter(item);font:700 14px ui-monospace;color:var(--coral);padding-top:3px}.pain-item strong{display:block}.pain-item span{color:var(--muted);font-size:14px}.court{height:330px;border:1px solid #b9cbb7;border-radius:22px;background:#edf4e9;position:relative;overflow:hidden}.court:before{content:"";position:absolute;inset:28px;border:1px solid #b9cbb7;border-radius:12px}.court:after{content:"";position:absolute;width:150px;height:150px;border:1px solid #b9cbb7;border-radius:50%;left:calc(50% - 75px);top:90px}.dot{position:absolute;width:9px;height:9px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 7px rgba(233,120,75,.12)}.d1{left:20%;top:32%}.d2{left:68%;top:58%;background:var(--pine)}.d3{left:44%;top:22%;background:var(--lime)}.data-board{position:absolute;right:24px;bottom:22px;background:var(--pine);color:#fff;border-radius:12px;padding:15px 18px;font-size:12px}.data-board b{font:700 20px ui-monospace;color:var(--lime);display:block}.solution{background:var(--mist)}.split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.checks{list-style:none;padding:0;margin:25px 0}.checks li{margin:12px 0}.checks li:before{content:"✓";color:var(--coral);font-weight:bold;margin-right:10px}.report{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}.report-img{aspect-ratio:16/10;object-fit:cover;border-radius:13px;margin-bottom:20px}.verify{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.verify div{background:var(--mist);padding:12px;border-radius:10px;font-size:12px;color:var(--muted)}.verify b{display:block;color:var(--pine);font-size:14px}.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.cap-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s;min-height:190px}.cap-card:first-child{grid-column:span 2;background:var(--pine);color:#fff}.cap-card:hover,.story:hover,.review:hover{transform:translateY(-5px);border-color:var(--lime);box-shadow:var(--shadow)}.icon-box{width:40px;height:40px;border-radius:10px;background:#e8f0dd;color:var(--pine);display:grid;place-items:center;font-weight:800}.cap-card:first-child .icon-box{background:rgba(182,217,57,.2);color:var(--lime)}.cap-card h3{font-size:19px;margin:17px 0 7px}.cap-card p{font-size:14px;color:var(--muted);margin:0}.cap-card:first-child p{color:#c5d6c8}.tag{display:inline-block;background:#edf3e8;color:var(--pine);font-size:11px;padding:3px 9px;border-radius:5px;margin-top:15px}.method{background:#f0f3ec}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}.step{padding:18px 25px;border-top:2px solid var(--pine);position:relative}.step:not(:last-child):after{content:"→";position:absolute;right:-10px;top:-20px;color:var(--coral);font-size:25px}.num{font:800 35px ui-monospace;color:var(--lime);-webkit-text-stroke:1px var(--pine)}.step h3{font-size:18px}.step p{font-size:13px;color:var(--muted)}.risk{font-size:13px;color:var(--coral);margin-top:24px}.products{background:#fff}.product-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px}.product{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--paper);transition:.25s}.product:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.product.featured{background:var(--pine);color:#fff}.product img{width:100%;aspect-ratio:16/9;object-fit:cover}.product-body{padding:23px}.product h3{font-size:21px}.product p{font-size:14px;color:var(--muted)}.featured p{color:#c7d8c9}.case{background:var(--ink);color:#fff}.case .section-head h2{color:#fff}.case-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}.case-number{font-size:110px;line-height:1;color:var(--lime);font-family:ui-monospace;font-weight:800}.case-label{color:#b9c9ba}.case-box{border:1px solid #3b4b40;border-radius:18px;padding:22px;margin-bottom:13px;background:#222b25}.case-box h3{font-size:18px;color:var(--lime)}.case-box p{font-size:14px;color:#bdc9bf;margin:0}.line-chart{height:80px;margin:15px 0 0;background:linear-gradient(160deg,transparent 48%,#b6d939 49%,#b6d939 51%,transparent 52%);border-bottom:1px solid #536456;position:relative}.line-chart:after{content:"状态趋势 · 样本复核";position:absolute;bottom:-28px;font-size:11px;color:#9aac9c}.stories{background:var(--mist)}.story-grid,.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.story,.review{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;transition:.25s}.story-label{font-size:12px;color:var(--coral);font-weight:700}.story h3{font-size:18px;margin:13px 0}.story p,.review p{font-size:14px;color:var(--muted)}.stats{padding:50px 0;background:var(--pine);color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}.stats strong{display:block;color:var(--lime);font:800 35px ui-monospace}.stats small{color:#c1d0c3;font-size:12px}.reviews{background:#fff}.stars{color:var(--coral);letter-spacing:3px}.review h3{font-size:16px;margin:10px 0}.scenes{background:var(--paper)}.scene-layout{display:grid;grid-template-columns:260px 1fr;gap:32px}.scene-tags{display:flex;flex-wrap:wrap;gap:9px;align-content:start}.scene-tags span{border:1px solid var(--line);padding:8px 12px;border-radius:8px;font-size:13px;background:#fff}.scene-tags span.active{background:var(--pine);color:#fff;border-color:var(--pine)}.scene-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.scene-card{padding:22px;border-left:4px solid var(--lime);background:#fff;border-radius:12px;box-shadow:0 5px 18px rgba(23,58,50,.05)}.scene-card h3{font-size:18px}.scene-card p{font-size:14px;color:var(--muted);margin:0}.news{background:#fff}.news-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:32px}.news-feature{position:relative;overflow:hidden;border-radius:19px;min-height:330px;color:#fff;background:linear-gradient(0deg,rgba(23,58,50,.9),transparent),url('/assets/images/backpic/back-4.webp') center/cover;padding:28px;display:flex;align-items:end}.news-feature h3{font-size:24px}.news-list article{padding:15px 0;border-bottom:1px solid var(--line)}.news-list small{color:var(--coral);font-weight:700}.news-list h3{font-size:17px;margin:5px 0}.news-list p{font-size:13px;color:var(--muted);margin:0}.faq{background:var(--mist)}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden;background:#fff}.accordion-button{font-weight:700;color:var(--pine);background:#fff;box-shadow:none!important;padding:19px}.accordion-button:not(.collapsed){background:#e5efdc;color:var(--pine)}.accordion-body{font-size:14px;color:var(--muted);padding:0 19px 19px}.cta{background:#e8efe5}.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}.form-box{background:#fff;padding:28px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.form-label{font-size:13px;font-weight:700;color:var(--pine)}.form-control,.form-select{border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:#fbfcf9}.form-control:focus,.form-select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(182,217,57,.2)}.privacy{font-size:12px;color:var(--muted);margin:14px 0 0}.footer{background:var(--ink);color:#c7d2c8;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}.footer .brand{color:#fff;margin-bottom:16px}.footer h3{font-size:15px;color:var(--lime);margin-bottom:15px}.footer p,.footer li{font-size:13px;color:#aebcaf}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:7px 0}.footer a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid #354138;margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8fa091}.top-button{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--pine);color:var(--lime);z-index:10}@media(max-width:991px){.hero-grid,.pain-grid,.split,.case-grid,.cta-grid{grid-template-columns:1fr}.hero-side{grid-template-columns:1fr 1fr;grid-template-rows:auto}.cap-grid{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:1fr 1fr}.product.featured{grid-row:span 2}.footer-grid{grid-template-columns:repeat(2,1fr)}.navbar-nav{gap:0}.nav-link{padding:10px 8px!important}.scene-layout{grid-template-columns:1fr}.scene-tags{flex-wrap:nowrap;overflow:auto;padding-bottom:8px}.case-grid{gap:30px}}@media(max-width:767px){.topbar .wrap{display:block}.topbar .right{display:none}.navbar{min-height:64px}.brand-text{font-size:14px}.hero{padding-top:28px}.hero-main{min-height:480px;padding:28px}.hero-main h1{font-size:36px;letter-spacing:-1px}.hero-main p{font-size:15px}.hero-side{grid-template-columns:1fr}.hero-strip{justify-content:flex-start;overflow:auto}.hero-strip div{min-width:130px;padding:0 14px}.section{padding:64px 0}.section-head h2{font-size:29px}.cap-grid,.product-grid,.story-grid,.review-grid,.scene-cards,.stats-grid,.news-grid{grid-template-columns:1fr}.cap-card:first-child{grid-column:span 1}.product.featured{grid-row:auto}.steps{display:block}.step{border-top:0;border-left:2px solid var(--pine);padding:10px 20px 20px 28px}.step:not(:last-child):after{content:"↓";right:auto;left:-11px;top:auto;bottom:-13px}.verify{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.case-number{font-size:76px}}@media(max-width:420px){.footer-grid{grid-template-columns:1fr}.hero-actions{gap:14px}.btn{width:100%}.hero-actions .text-link{margin-left:5px}.hero-main{padding:23px}.hero-main h1{font-size:32px}}

/* roulang page: category2 */
:root{
 --pine:#173a32;--pine-2:#245246;--lime:#b6d939;--coral:#e9784b;
 --ink:#1b211e;--muted:#69746c;--paper:#f7f7f2;--mist:#eef2ec;
 --line:#dbe3d9;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(23,58,50,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:.25s ease}
a:hover{color:var(--pine-2)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(182,217,57,.75);outline-offset:3px}
.container{max-width:1200px}
.topbar{background:var(--pine);color:#dfe9dd;font-size:12px;padding:7px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:20px;align-items:center}
.topbar span{margin-right:18px}
.topbar b{color:var(--lime);font-weight:700}
.site-header{position:sticky;top:0;z-index:1030;background:rgba(247,247,242,.98);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(23,58,50,.05)}
.navbar{min-height:76px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--pine);letter-spacing:-.5px;white-space:nowrap}
.brand:hover{color:var(--pine)}
.brand-mark{width:38px;height:38px;border:2px solid var(--pine);border-radius:11px;position:relative;overflow:hidden;flex:0 0 38px}
.brand-mark:before{content:"";position:absolute;width:48px;height:22px;border-top:2px solid var(--lime);border-radius:50%;transform:rotate(-24deg);top:12px;left:-7px}
.brand-mark:after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--coral);right:7px;top:8px}
.brand-text{font-size:17px}
.navbar-nav{gap:3px}
.nav-link{font-size:14px;font-weight:600;color:#526057!important;padding:10px 12px!important;border-radius:9px}
.nav-link:hover,.nav-link.active{background:#e7eee4;color:var(--pine)!important}
.navbar-toggler{width:46px;height:44px;border:1px solid var(--line);border-radius:10px;padding:7px}
.navbar-toggler:focus{box-shadow:none}
.navbar-toggler-icon{width:22px;height:16px;background-image:none;position:relative;border-top:2px solid var(--pine);border-bottom:2px solid var(--pine)}
.navbar-toggler-icon:after{content:"";position:absolute;left:0;right:0;top:6px;border-top:2px solid var(--pine)}
.btn{border-radius:10px;padding:11px 19px;font-weight:700;border:1px solid transparent;min-height:44px;transition:.25s ease}
.btn-lime{background:var(--lime);color:var(--pine)}
.btn-lime:hover{background:var(--pine);color:var(--lime);transform:translateY(-2px)}
.btn-outline-pine{border-color:var(--pine);color:var(--pine);background:transparent}
.btn-outline-pine:hover{background:var(--pine);color:#fff;transform:translateY(-2px)}
.eyebrow{color:var(--coral);font-size:12px;letter-spacing:2px;font-weight:800}
.section{padding:88px 0;scroll-margin-top:100px}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:34px;line-height:1.3;margin:9px 0 14px;color:var(--pine);font-weight:800;letter-spacing:-.7px}
.section-head p{color:var(--muted);margin:0}
.category-hero{padding:56px 0 48px;background:var(--mist);position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.category-hero:before{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(23,58,50,.13);border-radius:50%;right:-125px;top:-255px}
.category-hero:after{content:"";position:absolute;width:250px;height:250px;border:1px dashed rgba(182,217,57,.7);border-radius:50%;right:13%;bottom:-165px}
.breadcrumb{position:relative;z-index:1;margin-bottom:30px;font-size:13px;color:var(--muted)}
.breadcrumb-item+.breadcrumb-item:before{color:#97a29a}
.breadcrumb-item a:hover{color:var(--pine);text-decoration:underline}
.hero-panel{position:relative;z-index:1;display:grid;grid-template-columns:1fr .82fr;gap:42px;align-items:center}
.hero-copy h1{font-size:48px;line-height:1.18;letter-spacing:-1.8px;color:var(--pine);font-weight:800;margin:12px 0 18px}
.hero-copy p{max-width:650px;color:#526057;margin:0 0 24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.meta-chip{font-size:12px;font-weight:700;color:var(--pine);background:#fff;border:1px solid var(--line);padding:7px 11px;border-radius:7px}
.hero-visual{min-height:250px;border-radius:20px;overflow:hidden;position:relative;box-shadow:var(--shadow);background:var(--pine)}
.hero-visual img{width:100%;height:100%;min-height:250px;object-fit:cover;opacity:.76}
.score-plate{position:absolute;left:18px;right:18px;bottom:17px;background:rgba(23,58,50,.92);color:#fff;border:1px solid rgba(182,217,57,.35);border-radius:11px;padding:12px 14px;display:flex;justify-content:space-between;align-items:center;font-size:12px}
.score-plate strong{display:block;color:var(--lime);font:700 20px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:1px}
.tag-band{padding:22px 0;background:#fff;border-bottom:1px solid var(--line)}
.tag-track{display:flex;align-items:center;gap:10px;overflow:auto;padding-bottom:2px;scrollbar-width:thin}
.tag-track::-webkit-scrollbar{height:4px}
.tag-track::-webkit-scrollbar-thumb{background:#b7c5b7;border-radius:6px}
.track-title{flex:0 0 auto;font-size:13px;font-weight:800;color:var(--pine);padding-right:12px}
.data-tag{flex:0 0 auto;border:1px solid var(--line);background:var(--paper);color:#506057;padding:8px 13px;border-radius:8px;font-size:13px;font-weight:600}
.data-tag.active{background:var(--pine);color:#fff;border-color:var(--pine)}
.report-layout{display:grid;grid-template-columns:245px 1fr;gap:30px;align-items:start}
.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:sticky;top:105px}
.filter-panel h3{font-size:16px;color:var(--pine);margin:0 0 15px;font-weight:800}
.filter-list{list-style:none;margin:0;padding:0}
.filter-list li{border-bottom:1px solid #edf1ec}
.filter-list li:last-child{border-bottom:0}
.filter-list a{display:flex;justify-content:space-between;gap:8px;padding:11px 0;font-size:14px;color:#526057}
.filter-list a:hover,.filter-list a.selected{color:var(--pine);font-weight:800}
.filter-list small{font:12px ui-monospace,monospace;color:var(--coral)}
.filter-note{margin-top:20px;padding-top:17px;border-top:1px solid var(--line);font-size:12px;line-height:1.65;color:var(--muted)}
.timeline{position:relative;padding-left:34px}
.timeline:before{content:"";position:absolute;left:7px;top:11px;bottom:21px;width:1px;background:#cddace}
.report-item{position:relative;padding:0 0 24px}
.report-item:before{content:"";position:absolute;left:-33px;top:17px;width:14px;height:14px;background:var(--paper);border:3px solid var(--lime);border-radius:50%}
.report-card{display:grid;grid-template-columns:190px 1fr;min-height:188px;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.25s ease}
.report-card:hover{transform:translateY(-5px);border-color:var(--lime);box-shadow:var(--shadow)}
.report-card img{width:100%;height:100%;object-fit:cover}
.report-copy{padding:20px 22px}
.report-top{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-bottom:8px}
.report-label{font-size:11px;font-weight:800;color:var(--pine);background:#e8f0e4;padding:3px 8px;border-radius:5px}
.report-date{font-size:12px;color:var(--muted)}
.status{font-size:11px;font-weight:800;padding:3px 8px;border-radius:5px;background:#fce9df;color:#a54a2a}
.status.green{background:#edf4df;color:#52701b}
.report-copy h3{font-size:20px;line-height:1.45;color:var(--pine);margin:5px 0 8px;font-weight:800}
.report-copy p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
.report-data{margin-top:13px;display:flex;flex-wrap:wrap;gap:7px}
.report-data span{font-size:11px;color:#55655c;border:1px solid var(--line);border-radius:5px;padding:3px 7px}
.more-row{padding:5px 0 0 34px}
.text-link{font-weight:800;color:var(--pine);border-bottom:1px solid var(--lime);padding-bottom:2px}
.text-link:hover{color:var(--coral);border-color:var(--coral)}
.dimension-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:23px;align-items:stretch}
.dimension-main{background:var(--pine);color:#fff;padding:35px;border-radius:20px;position:relative;overflow:hidden}
.dimension-main:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(182,217,57,.25);border-radius:50%;right:-100px;bottom:-150px}
.dimension-main h3{font-size:27px;line-height:1.35;margin:0 0 14px;position:relative;z-index:1}
.dimension-main p{position:relative;z-index:1;color:#c6d6c9;margin:0;max-width:560px}
.dimension-points{position:relative;z-index:1;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}
.dimension-points div{border-top:1px solid rgba(255,255,255,.2);padding-top:10px;font-size:13px;color:#dfe9dd}
.dimension-points b{color:var(--lime);display:block;font:700 19px ui-monospace,monospace;margin-bottom:2px}
.dimension-side{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px}
.mini-card .mini-icon{color:var(--coral);font:700 19px ui-monospace,monospace}
.mini-card h3{font-size:16px;color:var(--pine);margin:12px 0 6px;font-weight:800}
.mini-card p{font-size:13px;color:var(--muted);line-height:1.68;margin:0}
.chart-section{background:var(--mist)}
.chart-layout{display:grid;grid-template-columns:.87fr 1.13fr;gap:40px;align-items:center}
.chart-copy .section-head{margin-bottom:20px}
.chart-copy p{color:var(--muted)}
.chart-notes{margin:22px 0 0;padding:0;list-style:none}
.chart-notes li{padding:10px 0;border-bottom:1px solid #d6e0d5;font-size:14px}
.chart-notes li:before{content:"";display:inline-block;width:8px;height:8px;background:var(--lime);border-radius:50%;margin-right:10px}
.chart-board{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}
.chart-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:23px}
.chart-title strong{font-size:16px;color:var(--pine)}
.chart-title span{font-size:11px;color:var(--muted);border:1px solid var(--line);padding:4px 7px;border-radius:5px}
.chart-area{height:225px;position:relative;border-left:1px solid #bfccbf;border-bottom:1px solid #bfccbf;background:repeating-linear-gradient(to bottom,transparent 0,transparent 43px,#edf1ec 44px)}
.chart-area svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.chart-labels{display:flex;justify-content:space-between;color:var(--muted);font:11px ui-monospace,monospace;padding:8px 0 0}
.chart-legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;font-size:12px;color:#56645d}
.chart-legend i{width:9px;height:9px;display:inline-block;border-radius:50%;margin-right:6px}
.chart-access{font-size:12px;color:var(--muted);margin:15px 0 0}
.faq-wrap{max-width:890px}
.accordion-item{background:#fff;border:1px solid var(--line)!important;border-radius:13px!important;overflow:hidden;margin-bottom:11px}
.accordion-button{font-weight:800;color:var(--pine);background:#fff;padding:18px 21px;box-shadow:none!important;line-height:1.5}
.accordion-button:not(.collapsed){background:#eef4e9;color:var(--pine)}
.accordion-button:after{background-image:none;content:"+";width:25px;height:25px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:19px;line-height:1;color:var(--pine)}
.accordion-button:not(.collapsed):after{content:"−";background:var(--pine);color:var(--lime);border-color:var(--pine)}
.accordion-body{padding:0 21px 19px;color:var(--muted);font-size:14px;line-height:1.85}
.cta-section{padding:78px 0;background:var(--paper);position:relative;overflow:hidden}
.cta-section:before{content:"";position:absolute;width:560px;height:290px;border:1px solid #d9e4d6;border-radius:50% 50% 0 0;left:-120px;bottom:-170px}
.cta-box{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center;background:#e8efe5;border:1px solid #d8e3d5;border-radius:22px;padding:42px}
.cta-copy h2{font-size:32px;line-height:1.35;color:var(--pine);font-weight:800;margin:8px 0 14px}
.cta-copy p{color:#59695f;margin:0}
.cta-points{list-style:none;padding:0;margin:23px 0 0}
.cta-points li{font-size:13px;padding:7px 0;color:#4c5c52}
.cta-points li:before{content:"✓";font-weight:800;color:#699116;margin-right:9px}
.cta-form{background:#fff;padding:22px;border-radius:15px;border:1px solid var(--line)}
.cta-form label{font-size:13px;font-weight:700;color:var(--pine);margin-bottom:6px}
.form-control,.form-select{border:1px solid #cfdacf;border-radius:9px;padding:10px 12px;color:var(--ink);background:#fff}
.form-control:focus,.form-select:focus{border-color:var(--lime);box-shadow:0 0 0 .22rem rgba(182,217,57,.2)}
.form-text{font-size:11px;color:var(--muted);line-height:1.6}
.form-result{display:none;margin-top:13px;padding:10px 12px;border-radius:8px;font-size:13px;background:#edf4df;color:#476419}
.footer{background:var(--ink);color:#cbd4cc;padding:59px 0 20px}
.footer .brand{color:#fff}
.footer .brand-mark{border-color:#dfe9dd}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr 1fr 1fr;gap:38px;padding-bottom:37px}
.footer p{font-size:13px;line-height:1.75;color:#aebbb0;margin:17px 0 0;max-width:330px}
.footer h3{font-size:14px;color:var(--lime);margin:4px 0 14px;font-weight:800}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{font-size:13px;color:#b9c5bb;margin:8px 0}
.footer a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:17px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8d9b90}
.back-top{position:fixed;right:20px;bottom:20px;width:45px;height:45px;border-radius:11px;border:1px solid rgba(182,217,57,.45);background:var(--pine);color:var(--lime);display:grid;place-items:center;z-index:20;opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--lime);color:var(--pine)}
@media(max-width:991.98px){
 .navbar-collapse{padding:15px 0 9px}.navbar-nav{align-items:stretch!important}.nav-link{padding:11px 12px!important}
 .hero-panel,.chart-layout,.cta-box{grid-template-columns:1fr;gap:28px}
 .hero-copy h1{font-size:42px}.hero-visual{min-height:220px}.filter-panel{position:static}
 .report-layout{grid-template-columns:1fr}.filter-panel{padding:15px}.filter-list{display:flex;gap:8px;overflow:auto}.filter-list li{border:0;flex:0 0 auto}.filter-list a{border:1px solid var(--line);border-radius:7px;padding:7px 10px}.filter-list small{display:none}.filter-note{display:none}
 .dimension-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767.98px){
 body{font-size:15px}.topbar .wrap{display:block}.topbar .right{display:none}.topbar span{margin-right:10px}.topbar span:nth-child(2),.topbar span:nth-child(3){display:none}
 .navbar{min-height:66px}.brand-text{font-size:15px}.brand-mark{width:34px;height:34px;flex-basis:34px}
 .section{padding:60px 0}.section-head{margin-bottom:28px}.section-head h2{font-size:28px}
 .category-hero{padding:38px 0}.breadcrumb{margin-bottom:20px}.hero-copy h1{font-size:34px;letter-spacing:-1px}.hero-copy p{font-size:14px}.hero-visual{min-height:190px}.hero-visual img{min-height:190px}
 .report-card{grid-template-columns:118px 1fr;min-height:160px}.report-copy{padding:14px}.report-copy h3{font-size:16px;margin-top:4px}.report-copy p{font-size:12px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.report-data{display:none}
 .timeline{padding-left:25px}.timeline:before{left:5px}.report-item:before{left:-26px}.more-row{padding-left:25px}
 .dimension-main{padding:27px}.dimension-main h3{font-size:23px}.dimension-points{grid-template-columns:1fr 1fr}.dimension-side{grid-template-columns:1fr 1fr}.mini-card{padding:16px}
 .chart-board{padding:18px}.chart-area{height:190px}.cta-section{padding:58px 0}.cta-box{padding:26px}.cta-copy h2{font-size:27px}
 .footer{padding-top:48px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}
}
@media(max-width:430px){
 .container{padding-left:17px;padding-right:17px}.brand-text{font-size:13px}.navbar-toggler{width:43px}
 .hero-copy h1{font-size:31px}.score-plate{left:12px;right:12px;padding:9px 10px}.score-plate strong{font-size:16px}
 .report-card{grid-template-columns:1fr}.report-card img{height:138px}.report-copy p{display:block}
 .dimension-points,.dimension-side{grid-template-columns:1fr}.chart-title{align-items:flex-start;flex-direction:column}.cta-box{padding:21px}.cta-form{padding:16px}
}

/* roulang page: category1 */
:root{
 --pine:#173a32;--pine-2:#245246;--lime:#b6d939;--coral:#e9784b;
 --ink:#1b211e;--muted:#69746c;--paper:#f7f7f2;--mist:#eef2ec;
 --line:#dbe3d9;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(23,58,50,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);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;transition:.25s ease}
a:hover{color:var(--pine-2)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(182,217,57,.7);outline-offset:3px}
.container{max-width:1200px}
.topbar{background:var(--pine);color:#dfe9dd;font-size:12px;padding:7px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:20px}
.topbar span{margin-right:18px}
.topbar b{color:var(--lime);font-weight:600}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,247,242,.98);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(23,58,50,.05)}
.navbar{min-height:76px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--pine);letter-spacing:-.5px}
.brand-mark{width:38px;height:38px;border:2px solid var(--pine);border-radius:11px;position:relative;overflow:hidden}
.brand-mark:before{content:"";position:absolute;width:48px;height:22px;border-top:2px solid var(--lime);border-radius:50%;transform:rotate(-24deg);top:12px;left:-7px}
.brand-mark:after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--coral);right:7px;top:8px}
.brand-text{font-size:17px}
.navbar-nav{gap:3px}
.nav-link{font-size:14px;font-weight:600;color:#526057!important;padding:10px 12px!important;border-radius:9px}
.nav-link:hover,.nav-link.active{background:#e7eee4;color:var(--pine)!important}
.navbar-toggler{border:1px solid var(--line);padding:8px 10px}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(182,217,57,.35)}
.navbar-toggler-icon{filter:brightness(.35)}
.btn{border-radius:10px;padding:11px 19px;font-weight:700;border:1px solid transparent;min-height:44px}
.btn-lime{background:var(--lime);color:var(--pine)}
.btn-lime:hover{background:var(--pine);color:var(--lime);transform:translateY(-2px)}
.btn-outline-pine{border-color:var(--pine);color:var(--pine)}
.btn-outline-pine:hover{background:var(--pine);color:#fff}
.eyebrow{color:var(--coral);font-size:12px;letter-spacing:2px;font-weight:800}
.page-banner{position:relative;overflow:hidden;padding:74px 0 70px;background:var(--pine);color:#fff}
.page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,58,50,.98),rgba(23,58,50,.72)),url('/assets/images/backpic/back-4.webp') center/cover}
.page-banner:after{content:"";position:absolute;width:440px;height:220px;border:1px solid rgba(182,217,57,.28);border-radius:50%;right:-70px;bottom:-110px}
.page-banner .container{position:relative;z-index:1}
.page-banner h1{font-size:48px;line-height:1.25;letter-spacing:-1.5px;margin:13px 0 15px;font-weight:800}
.page-banner p{max-width:700px;color:#d8e5d9;margin:0}
.breadcrumb{margin:0 0 18px;font-size:13px;color:#c4d4c6}
.breadcrumb-item+.breadcrumb-item:before{color:var(--lime)}
.breadcrumb-item a:hover{color:var(--lime)}
.section{padding:88px 0;scroll-margin-top:95px}
.section-head{max-width:740px;margin-bottom:38px}
.section-head h2{font-size:33px;line-height:1.35;margin:9px 0 14px;color:var(--pine);font-weight:800}
.section-head p{color:var(--muted);margin:0}
.tag-row{display:flex;gap:10px;flex-wrap:wrap;padding:24px 0;border-bottom:1px solid var(--line)}
.tag{display:inline-block;background:#edf3e8;color:var(--pine);font-size:12px;padding:6px 12px;border-radius:7px;border:1px solid #e0eadb}
.tag.accent{background:var(--pine);border-color:var(--pine);color:var(--lime)}
.list-layout{display:grid;grid-template-columns:245px 1fr;gap:42px;align-items:start}
.filter-panel{position:sticky;top:112px;padding:24px;background:var(--mist);border:1px solid var(--line);border-radius:var(--radius)}
.filter-panel h3{font-size:18px;color:var(--pine);margin:0 0 15px}
.filter-list{list-style:none;margin:0;padding:0}
.filter-list li{border-bottom:1px solid #d8e1d5}
.filter-list button{width:100%;border:0;background:transparent;text-align:left;padding:12px 4px;color:var(--muted);cursor:pointer}
.filter-list button:hover,.filter-list button.active{color:var(--pine);font-weight:800}
.report-feature{display:grid;grid-template-columns:1fr 1.15fr;gap:25px;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:18px}
.report-feature img{width:100%;height:100%;min-height:270px;object-fit:cover}
.report-body{padding:30px 30px 27px}
.report-body h3{font-size:24px;line-height:1.45;color:var(--pine);margin:12px 0 10px}
.report-body p,.report-item p{font-size:14px;color:var(--muted);margin:0}
.meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:12px}
.meta span+span{padding-left:12px;border-left:1px solid var(--line)}
.report-list{display:grid;gap:12px}
.report-item{display:grid;grid-template-columns:145px 1fr auto;gap:20px;align-items:center;padding:18px;background:#fff;border:1px solid var(--line);border-radius:15px;transition:.25s}
.report-item:hover{transform:translateX(5px);border-color:var(--lime);box-shadow:var(--shadow)}
.report-item img{width:145px;height:96px;object-fit:cover;border-radius:10px}
.report-item h3{font-size:18px;line-height:1.45;color:var(--pine);margin:7px 0 5px}
.read-time{font-size:12px;color:var(--coral);white-space:nowrap}
.model-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.info-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);height:100%}
.info-card h3{font-size:20px;color:var(--pine);margin:0 0 12px}
.info-card p{color:var(--muted);font-size:14px;margin:0}
.dimension-list{display:grid;gap:12px;margin-top:22px}
.dimension{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.dimension strong{color:var(--pine)}
.visual-board{padding:28px;border-radius:20px;background:var(--pine);color:#fff;position:relative;overflow:hidden}
.visual-board:after{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(182,217,57,.25);border-radius:50%;right:-130px;top:-100px}
.board-title{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#c8d8cb}
.board-title b{color:var(--lime);font:700 18px ui-monospace}
.chart{height:155px;position:relative;margin:24px 0 12px;border-left:1px solid #60786a;border-bottom:1px solid #60786a;background:repeating-linear-gradient(0deg,transparent 0 37px,rgba(255,255,255,.08) 38px),repeating-linear-gradient(90deg,transparent 0 72px,rgba(255,255,255,.06) 73px)}
.chart svg{width:100%;height:100%;position:relative;z-index:1}
.chart-labels{display:flex;justify-content:space-between;color:#b7c9ba;font-size:11px}
.variable-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.variable{padding:21px;background:var(--mist);border-radius:14px;border:1px solid var(--line)}
.variable strong{display:block;color:var(--pine);font-size:20px;font-family:ui-monospace}
.variable span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
.faq-wrap{max-width:850px}
.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;overflow:hidden;margin-bottom:10px;background:#fff}
.accordion-button{font-weight:700;color:var(--pine);background:#fff;padding:18px 20px}
.accordion-button:not(.collapsed){color:var(--pine);background:#edf3e8;box-shadow:none}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(182,217,57,.35)}
.accordion-body{color:var(--muted);font-size:14px;padding:0 20px 20px}
.cta-section{padding:70px 0;background:var(--mist)}
.cta-box{display:grid;grid-template-columns:1fr .9fr;gap:50px;align-items:center}
.cta-box h2{color:var(--pine);font-size:34px;line-height:1.35;margin:10px 0 14px}
.cta-box p{color:var(--muted)}
.consult-form{background:#fff;border:1px solid var(--line);padding:27px;border-radius:20px;box-shadow:var(--shadow)}
.form-label{font-size:13px;font-weight:700;color:var(--pine)}
.form-control,.form-select{border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:#fbfcf8}
.form-control:focus,.form-select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(182,217,57,.2)}
.notice{font-size:12px;color:var(--muted);margin-top:13px}
.footer{background:var(--ink);color:#c9d4ca;padding:65px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1.2fr 1.1fr;gap:35px}
.footer .brand{color:#fff;margin-bottom:18px}
.footer .brand-mark{border-color:#dce9dd}
.footer p{font-size:13px;color:#aebcaf;max-width:280px}
.footer h3{color:var(--lime);font-size:15px;margin:5px 0 15px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{font-size:13px;margin:7px 0;color:#aebcaf}
.footer a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;border-top:1px solid #37423a;margin-top:45px;padding-top:20px;font-size:12px;color:#849186}
.back-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--pine);color:var(--lime);z-index:10}
.back-top:hover{background:var(--lime);color:var(--pine)}
@media(max-width:991px){
 .navbar-nav{padding-top:16px}
 .list-layout{grid-template-columns:1fr}
 .filter-panel{position:static}
 .filter-list{display:flex;gap:8px;overflow-x:auto}
 .filter-list li{border:0;flex:0 0 auto}
 .filter-list button{white-space:nowrap;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 13px}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
 .topbar .wrap{display:block}.topbar .right{margin-top:4px}
 .topbar span{margin-right:10px}
 .page-banner{padding:54px 0}
 .page-banner h1{font-size:34px}
 .section{padding:60px 0}
 .section-head h2{font-size:28px}
 .report-feature,.model-grid,.cta-box{grid-template-columns:1fr}
 .report-feature img{height:220px;min-height:0}
 .report-body{padding:24px}
 .report-item{grid-template-columns:90px 1fr;gap:14px}
 .report-item img{width:90px;height:76px}
 .report-item .read-time{grid-column:2}
 .variable-grid{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{display:block}
 .footer-bottom span{display:block;margin-top:6px}
}
@media(max-width:420px){
 .brand-text{font-size:14px}
 .page-banner h1{font-size:30px}
 .variable-grid{grid-template-columns:1fr}
 .report-item h3{font-size:16px}
}

/* roulang page: category3 */
:root{
 --pine:#173a32;--pine-2:#245246;--lime:#b6d939;--coral:#e9784b;
 --ink:#1b211e;--muted:#69746c;--paper:#f7f7f2;--mist:#eef2ec;
 --line:#dbe3d9;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(23,58,50,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);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;transition:.25s ease}
a:hover{color:var(--pine-2)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(182,217,57,.75);outline-offset:3px}
.container{max-width:1200px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(247,247,242,.98);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(23,58,50,.05)}
.topbar{background:var(--pine);color:#dfe9dd;font-size:12px;padding:7px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:20px}
.topbar span{margin-right:18px}.topbar .right span{margin:0 0 0 18px}.topbar b{color:var(--lime);font-weight:600}
.navbar{min-height:76px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--pine);letter-spacing:-.5px}
.brand-mark{width:38px;height:38px;border:2px solid var(--pine);border-radius:11px;position:relative;overflow:hidden;flex:none}
.brand-mark:before{content:"";position:absolute;width:48px;height:22px;border-top:2px solid var(--lime);border-radius:50%;transform:rotate(-24deg);top:12px;left:-7px}
.brand-mark:after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--coral);right:7px;top:8px}
.brand-text{font-size:17px}.navbar-nav{gap:3px}
.nav-link{font-size:14px;font-weight:600;color:#526057!important;padding:10px 12px!important;border-radius:9px}
.nav-link:hover,.nav-link.active{background:#e7eee4;color:var(--pine)!important}
.navbar-toggler{border:1px solid var(--line);padding:8px 10px}.navbar-toggler-icon{filter:brightness(.35)}
.btn{border-radius:10px;padding:11px 19px;font-weight:700;border:1px solid transparent;min-height:44px}
.btn-lime{background:var(--lime);color:var(--pine)}.btn-lime:hover{background:var(--pine);color:var(--lime);transform:translateY(-2px)}
.btn-outline-pine{border-color:var(--pine);color:var(--pine)}.btn-outline-pine:hover{background:var(--pine);color:#fff}
.eyebrow{color:var(--coral);font-size:12px;letter-spacing:2px;font-weight:800}
.section{padding:88px 0;scroll-margin-top:95px}.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:34px;line-height:1.3;margin:10px 0 15px;color:var(--pine);font-weight:800}
.section-head p{color:var(--muted);margin:0}
.page-banner{position:relative;overflow:hidden;background:linear-gradient(100deg,rgba(23,58,50,.96),rgba(36,82,70,.82)),url('/assets/images/backpic/back-3.webp') center/cover;color:#fff;padding:72px 0 64px}
.page-banner:after{content:"";position:absolute;width:370px;height:370px;border:1px solid rgba(182,217,57,.25);border-radius:50%;right:-90px;top:-180px}
.breadcrumb{--bs-breadcrumb-divider-color:#a9c6ad;margin:20px 0 0;font-size:13px;color:#c9d8ca}.breadcrumb-item a{color:var(--lime)}
.page-banner h1{font-size:48px;line-height:1.2;max-width:720px;margin:12px 0 15px;letter-spacing:-1px}
.page-banner p{max-width:720px;color:#dce8dd;margin:0}
.tag-band{padding:20px 0;background:#e9f0e5;border-bottom:1px solid var(--line)}
.tag-list{display:flex;gap:10px;flex-wrap:wrap}.tag{display:inline-block;background:#fff;color:var(--pine);font-size:13px;padding:7px 13px;border:1px solid #d6e2d2;border-radius:8px}
.tag.active{background:var(--pine);border-color:var(--pine);color:#fff}
.article-layout{display:grid;grid-template-columns:235px 1fr;gap:48px;align-items:start}
.filter-box{position:sticky;top:112px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.filter-box h3{font-size:17px;margin:0 0 15px;color:var(--pine)}.filter-list{list-style:none;padding:0;margin:0}
.filter-list li{border-top:1px solid var(--line);padding:10px 0;font-size:14px;color:var(--muted)}
.filter-list li:first-child{border-top:0}.filter-list .selected{color:var(--pine);font-weight:800}
.report-feature{display:grid;grid-template-columns:300px 1fr;gap:25px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px}
.report-feature img{width:100%;height:190px;object-fit:cover;border-radius:12px}
.report-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--coral);font-size:12px;font-weight:700}.report-feature h3,.report-item h3{font-size:21px;line-height:1.45;color:var(--pine);margin:10px 0 8px}.report-feature p,.report-item p{color:var(--muted);font-size:14px;margin:0}
.report-stream{display:grid;gap:12px}.report-item{display:grid;grid-template-columns:105px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 18px;transition:.25s}
.report-item:hover{transform:translateX(5px);border-color:var(--lime);box-shadow:var(--shadow)}
.report-item img{width:105px;height:78px;object-fit:cover;border-radius:9px}.report-item h3{font-size:17px;margin:5px 0}.report-date{font:12px ui-monospace;color:var(--muted);white-space:nowrap}
.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
.method-panel{background:var(--mist);border:1px solid var(--line);border-radius:22px;padding:30px}
.method-points{display:grid;gap:14px;margin-top:22px}.method-point{display:flex;gap:13px}.method-point b{color:var(--pine)}.method-point span{color:var(--muted);font-size:14px}
.metric-board{background:var(--pine);border-radius:20px;padding:28px;color:#fff}.metric-board h3{font-size:20px;margin:0 0 24px}.metric-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.metric{border-top:1px solid rgba(255,255,255,.2);padding-top:13px}.metric strong{display:block;color:var(--lime);font:700 25px ui-monospace}.metric small{color:#bfd2c2;font-size:12px}
.flow-section{background:#fff}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}.flow:before{content:"";position:absolute;left:9%;right:9%;top:35px;border-top:2px dashed #bfd0b9}
.flow-step{position:relative;text-align:center;padding:0 14px}.flow-num{margin:0 auto 22px;width:70px;height:70px;border-radius:50%;background:var(--lime);color:var(--pine);display:grid;place-items:center;font:700 22px ui-monospace;position:relative;border:8px solid #f5f8ee}
.flow-step h3{font-size:18px;color:var(--pine);margin:0 0 7px}.flow-step p{font-size:13px;color:var(--muted);margin:0}
.note{font-size:13px;color:var(--muted);border-left:3px solid var(--coral);padding-left:13px;margin-top:34px}
.explain-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.explain-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px}.explain-card h3{font-size:19px;color:var(--pine);margin:0 0 8px}.explain-card p{font-size:14px;color:var(--muted);margin:0}
.faq-wrap{max-width:900px}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;overflow:hidden;margin-bottom:11px;background:#fff}.accordion-button{font-weight:700;color:var(--pine);background:#fff;padding:19px 22px}.accordion-button:not(.collapsed){background:#edf3e8;color:var(--pine);box-shadow:none}.accordion-button:after{background-image:none;content:"+";font-size:24px;color:var(--coral);transform:none}.accordion-button:not(.collapsed):after{content:"−";transform:none}.accordion-body{color:var(--muted);font-size:14px;padding:0 22px 20px}
.cta-section{background:#e9f0e5}.cta-box{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.cta-box h2{font-size:34px;line-height:1.3;color:var(--pine);margin:10px 0 15px}.cta-box p{color:var(--muted)}
.consult-form{background:#fff;padding:28px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.form-label{font-size:13px;font-weight:700;color:var(--pine)}.form-control,.form-select{border-color:var(--line);border-radius:9px;padding:11px 13px}.form-control:focus,.form-select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(182,217,57,.18)}.privacy{font-size:12px;color:var(--muted);margin:13px 0 0}
.footer{background:var(--ink);color:#c7d3c8;padding:65px 0 22px}.footer .brand{color:#fff;margin-bottom:18px}.footer .brand-mark{border-color:#dcead8}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.15fr;gap:36px}.footer h3{font-size:15px;color:var(--lime);margin:0 0 15px}.footer p{font-size:13px;max-width:330px;margin:7px 0;color:#aebcaf}.footer ul{list-style:none;padding:0;margin:0}.footer li{font-size:13px;margin:7px 0;color:#aebcaf}.footer li a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #35423b;margin-top:42px;padding-top:18px;font-size:12px;color:#8e9e91}
.back-top{position:fixed;right:20px;bottom:20px;background:var(--pine);color:var(--lime);border:1px solid #406356;border-radius:9px;width:44px;height:44px;display:grid;place-items:center;z-index:10}
@media(max-width:991px){.navbar-nav{padding-top:15px}.article-layout{grid-template-columns:1fr}.filter-box{position:static}.method-grid,.cta-box{grid-template-columns:1fr;gap:28px}.footer-grid{grid-template-columns:1fr 1fr}.report-feature{grid-template-columns:230px 1fr}}
@media(max-width:767px){.topbar .wrap{display:block}.topbar .right{margin-top:4px}.topbar .right span{margin:0 16px 0 0}.page-banner{padding:52px 0 48px}.page-banner h1{font-size:34px}.section{padding:62px 0}.section-head h2,.cta-box h2{font-size:28px}.report-feature{grid-template-columns:1fr}.report-feature img{height:175px}.report-item{grid-template-columns:76px 1fr;gap:13px}.report-item img{width:76px;height:66px}.report-date{grid-column:2}.flow{grid-template-columns:1fr;gap:24px}.flow:before{left:50%;top:34px;bottom:34px;right:auto;border-top:0;border-left:2px dashed #bfd0b9}.flow-step{display:grid;grid-template-columns:70px 1fr;text-align:left;gap:17px;align-items:center}.flow-num{grid-row:span 2;margin:0}.explain-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
@media(max-width:375px){.brand-text{font-size:14px}.navbar{min-height:68px}.btn{padding-left:14px;padding-right:14px}.metric-row{grid-template-columns:1fr}.page-banner h1{font-size:31px}}

/* roulang page: category4 */
:root{
 --pine:#173a32;--pine-2:#245246;--lime:#b6d939;--coral:#e9784b;
 --ink:#1b211e;--muted:#69746c;--paper:#f7f7f2;--mist:#eef2ec;
 --line:#dbe3d9;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(23,58,50,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,transform .25s ease,border-color .25s ease,box-shadow .25s ease}
a:hover{color:var(--pine-2)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(182,217,57,.75);outline-offset:3px}
.container{max-width:1200px}
.topbar{background:var(--pine);color:#dfe9dd;font-size:12px;padding:7px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:20px;align-items:center}
.topbar span{margin-right:18px;white-space:nowrap}
.topbar b{color:var(--lime);font-weight:700}
.site-header{position:sticky;top:0;z-index:1030;background:rgba(247,247,242,.98);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(23,58,50,.05)}
.navbar{min-height:76px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--pine);letter-spacing:-.5px;white-space:nowrap}
.brand:hover{color:var(--pine)}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border:2px solid var(--pine);border-radius:11px;position:relative;overflow:hidden}
.brand-mark:before{content:"";position:absolute;width:48px;height:22px;border-top:2px solid var(--lime);border-radius:50%;transform:rotate(-24deg);top:12px;left:-7px}
.brand-mark:after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--coral);right:7px;top:8px}
.brand-text{font-size:17px}
.navbar-nav{gap:3px}
.nav-link{font-size:14px;font-weight:700;color:#526057!important;padding:10px 12px!important;border-radius:9px}
.nav-link:hover,.nav-link.active{background:#e7eee4;color:var(--pine)!important}
.navbar-toggler{border:1px solid var(--line);border-radius:10px;min-height:44px;min-width:48px;padding:8px 10px}
.navbar-toggler:focus{box-shadow:none}
.navbar-toggler-icon{width:22px;height:16px;background-image:none;position:relative;border-top:2px solid var(--pine);border-bottom:2px solid var(--pine)}
.navbar-toggler-icon:after{content:"";position:absolute;left:0;right:0;top:6px;border-top:2px solid var(--pine)}
.btn{border-radius:10px;padding:11px 19px;font-weight:800;border:1px solid transparent;min-height:44px;line-height:1.4}
.btn-lime{background:var(--lime);color:var(--pine)}
.btn-lime:hover{background:var(--pine);color:var(--lime);transform:translateY(-2px)}
.btn-outline-pine{border-color:var(--pine);color:var(--pine);background:transparent}
.btn-outline-pine:hover{background:var(--pine);color:#fff}
.text-link{font-weight:800;color:var(--pine);border-bottom:1px solid var(--lime);padding-bottom:2px}
.text-link:hover{color:var(--coral)}
.section{padding:92px 0;scroll-margin-top:94px}
.section-alt{background:var(--mist)}
.eyebrow{color:var(--coral);font-size:12px;letter-spacing:2px;font-weight:800;text-transform:uppercase}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:34px;line-height:1.32;margin:9px 0 13px;color:var(--pine);font-weight:800;letter-spacing:-.7px}
.section-head p{color:var(--muted);margin:0}
.category-hero{padding:50px 0 54px;background:linear-gradient(102deg,rgba(23,58,50,.96) 0%,rgba(23,58,50,.84) 52%,rgba(23,58,50,.34) 100%),url('/assets/images/backpic/back-4.webp') center/cover;position:relative;overflow:hidden;color:#fff}
.category-hero:before{content:"";position:absolute;width:350px;height:350px;border:1px solid rgba(182,217,57,.36);border-radius:50%;right:8%;top:-175px}
.category-hero:after{content:"";position:absolute;width:280px;height:140px;border:1px solid rgba(255,255,255,.18);border-radius:280px 280px 0 0;right:20%;bottom:-95px}
.breadcrumb{margin:0 0 25px;padding:0;background:transparent;font-size:13px;position:relative;z-index:1}
.breadcrumb-item,.breadcrumb-item a{color:#dce8dd}
.breadcrumb-item.active{color:var(--lime)}
.breadcrumb-item+.breadcrumb-item::before{color:#9eb8a5}
.hero-copy{position:relative;z-index:1;max-width:790px}
.hero-copy h1{font-size:48px;line-height:1.2;letter-spacing:-1.5px;margin:10px 0 17px;font-weight:800}
.hero-copy p{max-width:720px;color:#e2ece3;margin:0;font-size:16px}
.hero-data{position:relative;z-index:1;margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}
.hero-data span{border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);border-radius:8px;padding:8px 13px;font-size:13px;color:#edf4eb}
.hero-data b{color:var(--lime);margin-right:5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.tag-band{padding:25px 0;background:#fff;border-bottom:1px solid var(--line)}
.tag-band-inner{display:flex;align-items:center;gap:15px;flex-wrap:wrap}
.band-label{font-size:13px;font-weight:800;color:var(--pine);margin-right:4px}
.data-tag{padding:8px 13px;border:1px solid var(--line);background:var(--paper);border-radius:8px;font-size:13px;color:#536158;white-space:nowrap}
.data-tag.active{border-color:var(--pine);background:var(--pine);color:#fff}
.dashboard-layout{display:grid;grid-template-columns:235px 1fr;gap:25px;align-items:start}
.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:sticky;top:103px}
.filter-panel h3{font-size:16px;color:var(--pine);font-weight:800;margin:0 0 15px}
.filter-list{list-style:none;padding:0;margin:0}
.filter-list li+li{border-top:1px solid #edf0ec}
.filter-list a{display:flex;align-items:center;justify-content:space-between;padding:11px 0;font-size:14px;color:#59655e}
.filter-list a:hover,.filter-list a.active{color:var(--pine);font-weight:800}
.filter-list em{font-style:normal;background:#edf3e8;color:var(--pine);font-size:11px;padding:1px 7px;border-radius:4px}
.filter-note{margin-top:20px;padding-top:17px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.analysis-stream{display:grid;gap:16px}
.feature-report{display:grid;grid-template-columns:280px 1fr;background:var(--pine);color:#fff;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.feature-report .image-box{min-height:254px;overflow:hidden}
.feature-report img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.feature-report:hover img{transform:scale(1.045)}
.report-copy{padding:27px 30px;display:flex;flex-direction:column;justify-content:center}
.content-meta{display:flex;align-items:center;flex-wrap:wrap;gap:9px;font-size:12px;color:var(--muted);margin-bottom:11px}
.feature-report .content-meta{color:#bfcebf}
.content-meta .label{padding:3px 8px;background:#edf3e8;color:var(--pine);border-radius:5px;font-weight:800}
.feature-report .label{background:rgba(182,217,57,.18);color:var(--lime)}
.report-copy h3,.report-item h3{font-size:22px;line-height:1.45;font-weight:800;margin:0 0 9px}
.report-copy p{color:#d3e0d4;margin:0 0 16px;font-size:14px}
.report-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.report-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;min-height:214px;display:flex;flex-direction:column;transition:.25s ease}
.report-item:hover{transform:translateY(-5px);border-color:var(--lime);box-shadow:var(--shadow)}
.report-item h3{font-size:17px;margin-bottom:9px}
.report-item p{font-size:14px;color:var(--muted);margin:0 0 17px}
.report-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;color:var(--pine);font-size:12px;font-weight:800}
.mini-index{font-family:ui-monospace,monospace;color:var(--coral)}
.metric-explain{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}
.metric-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}
.metric-row{display:grid;grid-template-columns:145px 1fr 55px;gap:15px;align-items:center;padding:15px 0;border-bottom:1px solid #edf0ec}
.metric-row:last-child{border-bottom:0}
.metric-row strong{font-size:14px;color:var(--pine)}
.metric-row span{height:9px;border-radius:9px;background:#e8eee6;overflow:hidden}
.metric-row i{display:block;height:100%;background:linear-gradient(90deg,var(--pine),var(--lime));border-radius:inherit}
.metric-row em{font-style:normal;font-family:ui-monospace,monospace;font-size:12px;color:var(--coral);text-align:right}
.indicator-list{display:grid;gap:13px}
.indicator-item{display:grid;grid-template-columns:36px 1fr;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}
.indicator-item:last-child{border-bottom:0}
.indicator-no{font-family:ui-monospace,monospace;color:var(--coral);font-weight:800}
.indicator-item h3{font-size:17px;margin:0 0 3px;color:var(--pine);font-weight:800}
.indicator-item p{font-size:14px;color:var(--muted);margin:0}
.chart-zone{background:var(--ink);color:#fff;overflow:hidden;position:relative}
.chart-zone:before{content:"";position:absolute;width:580px;height:580px;border:1px solid rgba(182,217,57,.14);border-radius:50%;right:-220px;top:-355px}
.chart-zone .section-head{position:relative;z-index:1}
.chart-zone .section-head h2{color:#fff}
.chart-zone .section-head p{color:#bac8bb}
.chart-layout{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.chart-card{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:25px}
.chart-card h3{font-size:17px;margin:0 0 4px;font-weight:800}
.chart-caption{font-size:12px;color:#b7c7b9;margin:0 0 21px}
.line-chart{height:182px;position:relative;border-bottom:1px solid rgba(255,255,255,.18);border-left:1px solid rgba(255,255,255,.18);background:repeating-linear-gradient(to bottom,transparent 0,transparent 43px,rgba(255,255,255,.07) 44px)}
.chart-line{position:absolute;left:3%;right:3%;bottom:16px;height:125px}
.chart-line svg{width:100%;height:100%;overflow:visible}
.chart-axis{display:flex;justify-content:space-between;color:#96aa98;font:11px ui-monospace,monospace;margin-top:8px}
.compare-list{display:grid;gap:17px}
.compare-item{display:grid;grid-template-columns:72px 1fr 42px;gap:10px;align-items:center;font-size:13px}
.compare-item span{color:#dce7dd}
.compare-bar{height:10px;background:rgba(255,255,255,.13);border-radius:8px;overflow:hidden}
.compare-bar i{display:block;height:100%;background:var(--lime);border-radius:8px}
.compare-item b{font:700 12px ui-monospace,monospace;color:var(--lime);text-align:right}
.data-note{margin-top:18px;color:#aebdaf;font-size:12px}
.faq-wrap{max-width:900px}
.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;overflow:hidden;background:#fff;margin-bottom:12px}
.accordion-button{padding:18px 20px;background:#fff!important;color:var(--pine)!important;font-weight:800;font-size:16px;box-shadow:none!important}
.accordion-button:not(.collapsed){background:#edf3e8!important}
.accordion-button:after{background-image:none;content:"+";width:26px;height:26px;border:1px solid var(--line);border-radius:7px;display:flex;align-items:center;justify-content:center;color:var(--pine);font-size:20px;line-height:1}
.accordion-button:not(.collapsed):after{content:"−";background:var(--pine);border-color:var(--pine);color:var(--lime)}
.accordion-body{padding:2px 20px 20px;color:var(--muted);font-size:14px}
.cta-section{padding:88px 0;background:var(--mist);position:relative;overflow:hidden}
.cta-section:before{content:"";position:absolute;width:620px;height:300px;border:1px solid #cadcc5;border-radius:620px 620px 0 0;left:-120px;bottom:-225px}
.cta-box{position:relative;display:grid;grid-template-columns:1fr .9fr;gap:45px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:44px;box-shadow:var(--shadow)}
.cta-box h2{font-size:34px;line-height:1.3;color:var(--pine);font-weight:800;margin:10px 0 13px}
.cta-box p{color:var(--muted);margin:0}
.contact-card{border-left:1px solid var(--line);padding-left:38px}
.contact-card strong{display:block;color:var(--pine);font-size:18px;margin-bottom:8px}
.contact-card a{font-family:ui-monospace,monospace;font-size:20px;color:var(--pine);font-weight:800}
.contact-card small{display:block;color:var(--muted);margin:12px 0 18px;font-size:13px}
.footer{background:var(--ink);color:#c8d4c9;padding:62px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr 1fr 1fr;gap:35px}
.footer .brand{color:#fff;margin-bottom:18px}
.footer .brand-mark{border-color:#dce8dd}
.footer p{font-size:13px;color:#aebdaf;max-width:310px;margin:0 0 9px}
.footer h3{font-size:14px;color:var(--lime);margin:5px 0 15px;font-weight:800}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{font-size:13px;color:#b7c5b8;margin-bottom:8px}
.footer a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#8da08f;font-size:12px}
.back-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--pine);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;box-shadow:var(--shadow);opacity:0;visibility:hidden;z-index:1000}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--pine);color:var(--lime);transform:translateY(-3px)}
@media(max-width:991.98px){
 .topbar .right{display:none}.navbar-collapse{padding:15px 0 7px}.navbar-nav{align-items:stretch!important}.nav-link{padding:12px!important}
 .dashboard-layout,.metric-explain,.chart-layout,.cta-box{grid-template-columns:1fr}
 .filter-panel{position:static;display:flex;align-items:center;gap:14px;padding:16px;overflow:auto}
 .filter-panel h3{margin:0;white-space:nowrap}.filter-list{display:flex;gap:8px}.filter-list li{border:0!important;white-space:nowrap}.filter-list a{padding:7px 9px;background:var(--paper);border-radius:7px}.filter-note{display:none}
 .contact-card{border-left:0;border-top:1px solid var(--line);padding:28px 0 0}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767.98px){
 body{font-size:15px}.topbar .wrap{justify-content:center}.topbar .wrap>div:first-child span:not(:first-child){display:none}.topbar span{margin:0}.brand-text{font-size:15px}.navbar{min-height:66px}
 .category-hero{padding:38px 0 42px}.hero-copy h1{font-size:34px;letter-spacing:-1px}.hero-copy p{font-size:15px}.hero-data{margin-top:24px}
 .section{padding:62px 0}.section-head{margin-bottom:29px}.section-head h2{font-size:28px}.tag-band-inner{gap:8px}.band-label{width:100%}.data-tag{font-size:12px;padding:7px 10px}
 .feature-report{grid-template-columns:1fr}.feature-report .image-box{min-height:190px}.report-copy{padding:23px}.report-copy h3{font-size:20px}.report-grid{grid-template-columns:1fr}
 .metric-row{grid-template-columns:105px 1fr 43px;gap:8px}.metric-panel{padding:17px}.chart-card{padding:18px}.chart-layout{gap:15px}
 .cta-box{padding:28px}.cta-box h2{font-size:28px}.footer{padding-top:48px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{display:block;margin-top:30px}.footer-bottom span{display:block;margin-bottom:7px}.back-top{right:14px;bottom:14px}
}
@media(max-width:374px){
 .brand-text{font-size:13px}.brand-mark{width:33px;height:33px;flex-basis:33px}.navbar-toggler{min-width:44px;padding:7px}.hero-copy h1{font-size:31px}.metric-row{grid-template-columns:92px 1fr 36px}.contact-card a{font-size:16px}
}

/* roulang page: category5 */
:root{--pine:#173a32;--pine2:#245246;--lime:#b6d939;--coral:#e9784b;--ink:#1b211e;--muted:#69746c;--paper:#f7f7f2;--mist:#eef2ec;--line:#dbe3d9;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(23,58,50,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);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;transition:.25s ease}a:hover{color:var(--pine2)}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(182,217,57,.75);outline-offset:3px}.container{max-width:1200px}.topbar{background:var(--pine);color:#dfe9dd;font-size:12px;padding:7px 0}.topbar .wrap{display:flex;justify-content:space-between;gap:20px}.topbar span{margin-right:18px}.topbar b{color:var(--lime);font-weight:700}.site-header{position:sticky;top:0;z-index:20;background:rgba(247,247,242,.98);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(23,58,50,.05)}.navbar{min-height:76px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--pine);letter-spacing:-.5px}.brand-mark{width:38px;height:38px;border:2px solid var(--pine);border-radius:11px;position:relative;overflow:hidden}.brand-mark:before{content:"";position:absolute;width:48px;height:22px;border-top:2px solid var(--lime);border-radius:50%;transform:rotate(-24deg);top:12px;left:-7px}.brand-mark:after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--coral);right:7px;top:8px}.brand-text{font-size:17px}.navbar-nav{gap:3px}.nav-link{font-size:14px;font-weight:600;color:#526057!important;padding:10px 12px!important;border-radius:9px}.nav-link:hover,.nav-link.active{background:#e7eee4;color:var(--pine)!important}.navbar-toggler{border-color:var(--pine);min-width:44px;min-height:44px}.navbar-toggler-icon{filter:brightness(.3)}.btn{border-radius:10px;padding:11px 19px;font-weight:700;border:1px solid transparent;min-height:44px}.btn-lime{background:var(--lime);color:var(--pine)}.btn-lime:hover{background:var(--pine);color:var(--lime);transform:translateY(-2px)}.btn-outline-pine{border-color:var(--pine);color:var(--pine)}.btn-outline-pine:hover{background:var(--pine);color:#fff}.eyebrow{color:var(--coral);font-size:12px;letter-spacing:2px;font-weight:800}.section{padding:82px 0;scroll-margin-top:90px}.section-head{max-width:760px;margin-bottom:38px}.section-head h2{font-size:34px;line-height:1.3;margin:10px 0 15px;color:var(--pine);font-weight:800}.section-head p{color:var(--muted);margin:0}.page-banner{position:relative;overflow:hidden;background:var(--pine);color:#fff;padding:62px 0 68px}.page-banner:after{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(182,217,57,.35);border-radius:50%;right:-110px;top:-185px}.banner-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;position:relative;z-index:1}.breadcrumb{--bs-breadcrumb-divider:"/";margin:12px 0 20px;color:#b9c9bb;font-size:13px}.breadcrumb a{color:var(--lime)}.page-banner h1{font-size:48px;line-height:1.2;letter-spacing:-1px;margin:0 0 16px}.page-banner p{color:#d5e2d7;max-width:680px;margin:0}.banner-board{background:rgba(8,29,24,.7);border:1px solid rgba(182,217,57,.35);border-radius:20px;padding:26px}.board-top{display:flex;justify-content:space-between;color:#b9c9bb;font-size:12px;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:14px}.board-num{font:700 46px ui-monospace;color:var(--lime);line-height:1.2;margin:20px 0 8px}.bar{height:8px;background:#344b40;border-radius:8px;margin:14px 0}.bar i{display:block;height:100%;background:var(--coral);border-radius:8px}.tag-strip{display:flex;gap:10px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:22px 0}.tag{display:inline-block;background:#edf3e8;color:var(--pine);font-size:12px;padding:6px 11px;border-radius:6px}.tag.hot{background:var(--pine);color:var(--lime)}.review-layout{display:grid;grid-template-columns:230px 1fr;gap:34px;align-items:start}.filter-box{background:var(--mist);padding:22px;border-radius:16px;position:sticky;top:112px}.filter-box h3{font-size:17px;color:var(--pine);margin:0 0 14px}.filter-box a{display:block;padding:9px 11px;color:var(--muted);border-left:3px solid transparent;font-size:14px}.filter-box a:hover,.filter-box a.active{color:var(--pine);background:#fff;border-left-color:var(--lime);font-weight:700}.review-list{display:flex;flex-direction:column;gap:17px}.review-card{display:grid;grid-template-columns:210px 1fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;transition:.25s}.review-card:first-child{grid-template-columns:280px 1fr;background:#f0f4eb}.review-card:hover{transform:translateY(-5px);border-color:var(--lime);box-shadow:var(--shadow)}.review-card img{width:100%;height:150px;object-fit:cover;border-radius:12px}.review-card:first-child img{height:190px}.meta{font-size:12px;color:var(--coral);font-weight:700}.review-card h3{font-size:20px;line-height:1.4;color:var(--pine);margin:8px 0}.review-card p{font-size:14px;color:var(--muted);margin:0 0 10px}.data-labels{display:flex;gap:8px;flex-wrap:wrap}.data-labels span{font-size:11px;color:var(--pine);background:#e8f0e5;padding:3px 8px;border-radius:5px}.more-link{display:inline-block;color:var(--pine);font-weight:700;border-bottom:2px solid var(--lime);margin-top:10px}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}.info-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}.info-panel h3{color:var(--pine);font-size:20px;margin:0 0 15px}.metric-list{list-style:none;padding:0;margin:0}.metric-list li{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:12px 0;font-size:14px}.metric-list b{color:var(--pine)}.timeline{position:relative;padding-left:30px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--lime)}.timeline-item{position:relative;padding:0 0 23px}.timeline-item:before{content:"";position:absolute;left:-27px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--coral);border:3px solid var(--paper)}.timeline-item strong{color:var(--pine);display:block}.timeline-item span{font-size:14px;color:var(--muted)}.chart-box{background:var(--pine);color:#fff;border-radius:var(--radius);padding:28px}.chart-box h3{font-size:20px;margin:0 0 22px}.trend{height:125px;display:flex;align-items:end;gap:12px;border-bottom:1px solid rgba(255,255,255,.3);padding:0 8px}.trend i{display:block;flex:1;background:var(--lime);border-radius:6px 6px 0 0;min-height:28px}.trend i:nth-child(2){height:58%}.trend i:nth-child(3){height:75%}.trend i:nth-child(4){height:49%}.trend i:nth-child(5){height:88%}.trend i:nth-child(6){height:68%}.chart-caption{display:flex;justify-content:space-between;color:#bfcec1;font-size:12px;margin-top:12px}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden;background:#fff}.accordion-button{font-weight:700;color:var(--pine);background:#fff;box-shadow:none!important;padding:18px 20px}.accordion-button:not(.collapsed){background:#edf3e8;color:var(--pine)}.accordion-button:after{background-image:none;content:"+";font-size:22px;color:var(--coral)}.accordion-button:not(.collapsed):after{content:"−";transform:none}.accordion-body{font-size:14px;color:var(--muted);padding:0 20px 19px}.cta{background:var(--mist);border-top:1px solid var(--line)}.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}.cta h2{font-size:34px;line-height:1.3;color:var(--pine);margin:10px 0 16px}.cta p{color:var(--muted)}.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow)}.form-label{font-size:13px;font-weight:700;color:var(--pine)}.form-control,.form-select{border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:#fbfcf8}.form-control:focus,.form-select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(182,217,57,.2)}.form-note{font-size:12px;color:var(--muted);margin:12px 0 0}.footer{background:var(--ink);color:#cad6cb;padding:62px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.1fr;gap:38px}.footer .brand{color:#fff;margin-bottom:18px}.footer .brand-mark{border-color:#dce9dc}.footer p,.footer li{font-size:13px;color:#aebdb0}.footer p{max-width:280px}.footer h3{font-size:15px;color:var(--lime);margin:2px 0 16px}.footer ul{padding:0;margin:0;list-style:none}.footer li{margin-bottom:7px}.footer li a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid #354039;margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#91a294}.top-link{position:fixed;right:22px;bottom:22px;background:var(--lime);color:var(--pine);width:44px;height:44px;border-radius:10px;display:grid;place-items:center;font-weight:800;z-index:10}.success{display:none;color:var(--pine);font-size:13px;margin-top:10px}.success.show{display:block}
@media(max-width:991px){.navbar-nav{padding-top:15px}.banner-grid,.cta-grid,.split{grid-template-columns:1fr}.page-banner h1{font-size:40px}.review-layout{grid-template-columns:1fr}.filter-box{position:static;display:flex;gap:10px;overflow-x:auto;padding:12px}.filter-box h3{display:none}.filter-box a{white-space:nowrap;border-left:0;border-bottom:3px solid transparent}.filter-box a:hover,.filter-box a.active{border-bottom-color:var(--lime);border-left:0}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.topbar .wrap{display:block}.topbar .right{margin-top:4px}.topbar span{margin-right:9px}.brand-text{font-size:15px}.section{padding:60px 0}.page-banner{padding:42px 0 50px}.page-banner h1{font-size:34px}.review-card,.review-card:first-child{grid-template-columns:1fr}.review-card img,.review-card:first-child img{height:190px}.section-head h2,.cta h2{font-size:28px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}.banner-board{margin-top:5px}}

/* roulang page: category6 */
:root{
 --pine:#173a32;--pine-2:#245246;--lime:#b6d939;--coral:#e9784b;
 --ink:#1b211e;--muted:#69746c;--paper:#f7f7f2;--mist:#eef2ec;
 --line:#dbe3d9;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(23,58,50,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:.25s ease}
a:hover{color:var(--pine-2)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(182,217,57,.8);outline-offset:3px}
.container{max-width:1200px}
.topbar{background:var(--pine);color:#dfe9dd;font-size:12px;padding:7px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:20px;align-items:center}
.topbar span{margin-right:18px;white-space:nowrap}
.topbar b{color:var(--lime);font-weight:700}
.site-header{position:sticky;top:0;z-index:100;background:rgba(247,247,242,.98);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(23,58,50,.05)}
.navbar{min-height:76px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--pine);letter-spacing:-.5px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border:2px solid var(--pine);border-radius:11px;position:relative;overflow:hidden}
.brand-mark:before{content:"";position:absolute;width:48px;height:22px;border-top:2px solid var(--lime);border-radius:50%;transform:rotate(-24deg);top:12px;left:-7px}
.brand-mark:after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:var(--coral);right:7px;top:8px}
.brand-text{font-size:17px}
.navbar-nav{gap:3px}
.nav-link{font-size:14px;font-weight:600;color:#526057!important;padding:10px 12px!important;border-radius:9px}
.nav-link:hover,.nav-link.active{background:#e7eee4;color:var(--pine)!important}
.navbar-toggler{border:1px solid var(--line);border-radius:10px;padding:9px 11px;min-width:44px;min-height:44px}
.navbar-toggler:focus{box-shadow:none}
.navbar-toggler-icon{width:20px;height:14px;background-image:linear-gradient(var(--pine),var(--pine)),linear-gradient(var(--pine),var(--pine)),linear-gradient(var(--pine),var(--pine));background-size:100% 2px;background-position:0 0,0 6px,0 12px;background-repeat:no-repeat}
.btn{border-radius:10px;padding:11px 19px;font-weight:700;border:1px solid transparent;min-height:44px;transition:.25s ease}
.btn-lime{background:var(--lime);color:var(--pine)}
.btn-lime:hover{background:var(--pine);color:var(--lime);transform:translateY(-2px)}
.btn-outline-pine{border-color:var(--pine);color:var(--pine);background:transparent}
.btn-outline-pine:hover{background:var(--pine);color:#fff;transform:translateY(-2px)}
.eyebrow{color:var(--coral);font-size:12px;letter-spacing:2px;font-weight:800}
.section{padding:88px 0;scroll-margin-top:100px}
.section-head{max-width:760px;margin-bottom:35px}
.section-head h2{font-size:34px;line-height:1.3;margin:9px 0 14px;color:var(--pine);font-weight:800;letter-spacing:-.8px}
.section-head p{color:var(--muted);margin:0}
.page-hero{padding:58px 0 48px;background:var(--mist);position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero:before{content:"";position:absolute;width:410px;height:410px;border:1px solid rgba(23,58,50,.14);border-radius:50%;right:6%;top:-265px}
.page-hero:after{content:"";position:absolute;width:600px;height:160px;border:1px solid rgba(182,217,57,.55);border-radius:50%;right:-120px;bottom:-112px}
.breadcrumb{margin:0 0 24px;font-size:13px;color:var(--muted)}
.breadcrumb-item+.breadcrumb-item:before{color:#9daa9f}
.breadcrumb-item.active{color:var(--pine)}
.page-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:end;position:relative;z-index:1}
.page-hero h1{font-size:48px;line-height:1.2;letter-spacing:-1.8px;font-weight:850;color:var(--pine);margin:0 0 18px}
.page-hero p{max-width:690px;margin:0;color:var(--muted)}
.hero-terminal{background:var(--pine);padding:24px;border-radius:var(--radius);color:#eaf2e8;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-terminal:before{content:"";position:absolute;width:200px;height:200px;border:1px solid rgba(182,217,57,.28);border-radius:50%;right:-65px;top:-90px}
.terminal-title{position:relative;font-size:12px;letter-spacing:1.3px;color:var(--lime);font-weight:700;margin-bottom:16px}
.terminal-line{position:relative;display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.13);padding:11px 0;font-size:13px}
.terminal-line b{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--white)}
.topic-band{background:#fff;padding:25px 0;border-bottom:1px solid var(--line)}
.topic-wrap{display:flex;align-items:center;gap:15px;flex-wrap:wrap}
.topic-label{font-size:13px;font-weight:800;color:var(--pine);margin-right:5px}
.topic-tag{display:inline-flex;align-items:center;border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:8px 13px;font-size:13px;color:#526057;transition:.2s}
.topic-tag:hover,.topic-tag.active{background:var(--pine);border-color:var(--pine);color:#fff}
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:30px;align-items:start}
.feature-story{background:#fff;border:1px solid var(--line);border-radius:22px;display:grid;grid-template-columns:.93fr 1.07fr;overflow:hidden;box-shadow:0 8px 23px rgba(23,58,50,.04);margin-bottom:18px}
.feature-story:hover{box-shadow:var(--shadow);border-color:var(--lime)}
.cover-frame{overflow:hidden;background:var(--mist)}
.cover-frame img{width:100%;height:100%;object-fit:cover;transition:.45s ease}
.feature-story:hover img,.news-row:hover img{transform:scale(1.04)}
.feature-story .cover-frame{min-height:300px}
.feature-copy{padding:32px}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-bottom:16px}
.category-badge{color:var(--pine);background:#e8f0e4;border-radius:5px;padding:3px 8px;font-weight:750}
.read-time{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.feature-copy h2{font-size:26px;line-height:1.4;color:var(--pine);font-weight:800;margin:0 0 14px}
.feature-copy p{color:var(--muted);font-size:14px;margin:0 0 19px}
.news-row{display:grid;grid-template-columns:174px 1fr;gap:21px;background:#fff;border-bottom:1px solid var(--line);padding:18px 0;transition:.25s}
.news-row:first-of-type{border-top:1px solid var(--line)}
.news-row:hover{padding-left:10px}
.news-row .cover-frame{border-radius:12px;aspect-ratio:16/10}
.news-row h3{font-size:18px;line-height:1.45;color:var(--pine);margin:0 0 7px;font-weight:800}
.news-row p{font-size:13px;line-height:1.75;color:var(--muted);margin:0}
.filter-panel{position:sticky;top:105px;background:var(--pine);color:#eff6eb;border-radius:18px;padding:23px}
.filter-panel h3{font-size:17px;color:#fff;margin:0 0 15px;font-weight:800}
.filter-list{list-style:none;padding:0;margin:0}
.filter-list li{border-top:1px solid rgba(255,255,255,.13)}
.filter-list span{display:flex;justify-content:space-between;align-items:center;padding:12px 0;font-size:13px}
.filter-list b{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--lime);font-size:12px}
.filter-note{border-top:1px solid rgba(255,255,255,.18);margin-top:13px;padding-top:14px;font-size:12px;line-height:1.7;color:#c7d7c8}
.more-entry{display:inline-flex;align-items:center;gap:8px;margin-top:27px;font-weight:800;color:var(--pine);border-bottom:1px solid var(--lime);padding-bottom:3px}
.more-entry:hover{color:var(--coral)}
.observation{background:var(--mist)}
.observe-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:38px;align-items:stretch}
.observe-lead{background:var(--pine);padding:34px;border-radius:var(--radius);color:#fff;position:relative;overflow:hidden}
.observe-lead:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(182,217,57,.32);border-radius:50%;bottom:-142px;right:-65px}
.observe-lead h3{font-size:28px;line-height:1.35;margin:10px 0 15px;position:relative;z-index:1}
.observe-lead p{color:#c8d7ca;font-size:14px;position:relative;z-index:1;margin:0}
.signal-list{display:grid;gap:13px}
.signal-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 21px;display:grid;grid-template-columns:48px 1fr auto;gap:16px;align-items:center;transition:.25s}
.signal-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow)}
.signal-icon{width:45px;height:45px;border-radius:11px;background:#edf3e8;color:var(--pine);display:grid;place-items:center;font-weight:850;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.signal-card h3{font-size:16px;margin:0 0 3px;color:var(--pine);font-weight:800}
.signal-card p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
.signal-value{font:700 16px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--coral)}
.rules-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rule-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-height:215px;transition:.25s}
.rule-card:hover{border-color:var(--lime);box-shadow:var(--shadow);transform:translateY(-4px)}
.rule-index{color:var(--coral);font:800 13px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:1px}
.rule-card h3{font-size:19px;color:var(--pine);margin:15px 0 9px;font-weight:800}
.rule-card p{font-size:14px;color:var(--muted);margin:0}
.update-panel{background:var(--ink);color:#e9f1e8;position:relative;overflow:hidden}
.update-panel:before{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(182,217,57,.18);border-radius:50%;left:-190px;top:-280px}
.update-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center;position:relative;z-index:1}
.update-panel .eyebrow{color:var(--lime)}
.update-panel h2{font-size:35px;line-height:1.32;margin:10px 0 14px;font-weight:800}
.update-panel p{color:#b9c9bb;margin:0}
.update-table{border:1px solid rgba(255,255,255,.17);border-radius:15px;overflow:hidden}
.update-item{display:grid;grid-template-columns:1.2fr .9fr .7fr;padding:14px 18px;gap:14px;border-bottom:1px solid rgba(255,255,255,.12);font-size:13px}
.update-item:last-child{border-bottom:0}
.update-item.head{background:rgba(255,255,255,.07);color:var(--lime);font-weight:800;font-size:12px}
.update-item span:last-child{text-align:right;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#d7e5d7}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px;align-items:start}
.faq-intro{padding:24px 0}
.faq-intro h2{font-size:34px;line-height:1.3;color:var(--pine);font-weight:800;margin:10px 0 14px}
.faq-intro p{font-size:14px;color:var(--muted);margin:0}
.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;overflow:hidden;margin-bottom:11px;background:#fff}
.accordion-button{box-shadow:none!important;background:#fff!important;color:var(--pine)!important;font-weight:800;padding:17px 19px;font-size:15px}
.accordion-button:not(.collapsed){background:#edf3e8!important}
.accordion-button:after{background-image:none;content:"+";font-size:24px;line-height:1;width:22px;height:22px;color:var(--pine);text-align:center}
.accordion-button:not(.collapsed):after{content:"−";transform:none}
.accordion-body{padding:0 19px 18px;color:var(--muted);font-size:14px;line-height:1.85}
.cta-section{padding:86px 0;background:#e9efe6;position:relative;overflow:hidden;scroll-margin-top:100px}
.cta-section:after{content:"";position:absolute;width:610px;height:260px;border:1px solid rgba(23,58,50,.16);border-radius:50%;right:-150px;bottom:-190px}
.cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:center;position:relative;z-index:1}
.cta-grid h2{font-size:36px;line-height:1.32;color:var(--pine);font-weight:850;margin:10px 0 14px}
.cta-grid p{max-width:610px;color:var(--muted);margin:0}
.contact-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow)}
.contact-box strong{display:block;font-size:19px;color:var(--pine);margin-bottom:8px}
.contact-box p{font-size:14px;margin:0 0 17px}
.footer{background:var(--ink);color:#c5d0c5;padding:61px 0 23px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr 1.1fr 1.1fr;gap:35px}
.footer .brand{color:#fff;margin-bottom:15px}
.footer .brand-mark{border-color:#dcead9}
.footer p{font-size:13px;line-height:1.75;margin:0 0 8px;color:#aebbae}
.footer h3{font-size:15px;color:#fff;margin:3px 0 14px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{font-size:13px;margin:0 0 8px;color:#b7c3b7}
.footer li a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:39px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#94a194}
.back-top{position:fixed;right:19px;bottom:19px;width:45px;height:45px;border:1px solid rgba(255,255,255,.2);background:var(--pine);color:var(--lime);border-radius:12px;display:grid;place-items:center;z-index:30;box-shadow:0 8px 20px rgba(23,58,50,.22);font-size:19px}
.back-top:hover{background:var(--lime);color:var(--pine);transform:translateY(-3px)}
@media(max-width:991.98px){
 .navbar-collapse{padding:15px 0 8px}.navbar-nav{align-items:stretch!important}.nav-link{padding:12px!important}
 .page-hero-grid,.news-layout,.observe-grid,.faq-layout,.cta-grid,.update-grid{grid-template-columns:1fr;gap:28px}
 .filter-panel{position:relative;top:auto;display:flex;align-items:center;gap:15px;overflow:auto}.filter-panel h3{white-space:nowrap;margin:0}.filter-list{display:flex;gap:14px}.filter-list li{border:0}.filter-list span{white-space:nowrap;padding:4px 0}.filter-note{display:none}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767.98px){
 body{font-size:15px}.topbar .wrap{display:block}.topbar .right{display:none}.topbar span{margin-right:10px}.topbar span:nth-child(2){display:none}
 .brand-text{font-size:15px}.navbar{min-height:66px}.section{padding:58px 0}.page-hero{padding:40px 0}.page-hero h1{font-size:34px}.section-head h2,.faq-intro h2{font-size:28px}.section-head{margin-bottom:27px}
 .feature-story{grid-template-columns:1fr}.feature-story .cover-frame{min-height:205px}.feature-copy{padding:23px}.feature-copy h2{font-size:22px}
 .news-row{grid-template-columns:108px 1fr;gap:14px}.news-row h3{font-size:16px}.news-row p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
 .rules-grid{grid-template-columns:1fr}.signal-card{grid-template-columns:42px 1fr}.signal-value{grid-column:2;text-align:left}.update-item{grid-template-columns:1fr .8fr .6fr;padding:12px;font-size:12px;gap:8px}
 .cta-grid h2,.update-panel h2{font-size:29px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
}
@media(max-width:420px){
 .container{padding-left:17px;padding-right:17px}.brand-text{font-size:13px}.page-hero h1{font-size:31px}.hero-terminal{padding:18px}.topic-wrap{gap:8px}.topic-tag{padding:7px 10px;font-size:12px}
 .news-row{grid-template-columns:88px 1fr}.news-row .cover-frame{border-radius:9px}.meta-line{gap:6px}.feature-copy{padding:19px}.contact-box{padding:20px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}