/* roulang page: index */
:root{
  --ink:#183c32;
  --ink-deep:#0d251e;
  --green:#23634e;
  --green-2:#367b62;
  --mint:#dce9de;
  --mist:#eef3eb;
  --paper:#fbfaf4;
  --cream:#f5f1e7;
  --orange:#d98732;
  --orange-soft:#f6dfbd;
  --text:#263832;
  --muted:#65736c;
  --line:#d9e0d7;
  --white:#fffef9;
  --shadow:0 14px 34px rgba(21,57,45,.10);
  --shadow-sm:0 7px 18px rgba(21,57,45,.08);
  --radius:16px;
  --radius-sm:10px;
  --container:1200px;
  --ease:220ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);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}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(217,135,50,.55);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:92px 0;position:relative}
.section-soft{background:var(--mist)}
.section-cream{background:var(--cream)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.section-head{max-width:790px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3vw,40px);line-height:1.32;letter-spacing:-.03em;color:var(--ink);margin:10px 0 12px}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:9px;font-weight:800;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
.btn-primary{background:var(--green);color:#fff;border:1px solid var(--green);box-shadow:0 8px 18px rgba(27,78,61,.18)}
.btn-primary:hover{background:var(--ink);transform:translateY(-2px);box-shadow:0 12px 22px rgba(27,78,61,.23)}
.btn-primary:active{transform:translateY(0)}
.btn-line{border:1px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn-line:hover{background:rgba(255,255,255,.14)}
.btn-light{border:1px solid var(--line);background:var(--white);color:var(--ink)}
.btn-light:hover{border-color:var(--green);background:var(--mint);transform:translateY(-2px)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--mint);color:var(--green);font-size:12px;font-weight:800;line-height:1.5}
.topbar{background:var(--ink-deep);color:#dbe8df;font-size:13px}
.topbar-inner{min-height:39px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar-tags{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.topbar-tags span{color:#dce9de}
.topbar-right{white-space:nowrap;color:#bcd2c4}
.site-header{position:sticky;top:0;z-index:30;background:rgba(251,250,244,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(217,224,215,.85)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;color:var(--ink);font-size:19px;white-space:nowrap;letter-spacing:-.04em}
.brand-mark{width:31px;height:31px;border:2px solid var(--green);border-radius:8px;display:grid;place-items:center;position:relative}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--orange)}
.brand-mark:before{width:14px;height:2px}.brand-mark:after{width:2px;height:14px}
.nav-list{list-style:none;padding:0;margin:0;display:flex;align-items:center;gap:4px}
.nav-list a{padding:10px 11px;color:#43574e;font-size:14px;font-weight:700;border-radius:7px;transition:background var(--ease),color var(--ease)}
.nav-list a:hover,.nav-list a.active{color:var(--green);background:var(--mint)}
.nav-cta{font-size:14px;min-height:42px;padding:8px 15px;white-space:nowrap}
.menu-toggle{display:none;width:44px;height:44px;background:transparent;border:1px solid var(--line);border-radius:8px;color:var(--ink)}
.menu-toggle i,.menu-toggle i:before,.menu-toggle i:after{display:block;width:18px;height:2px;background:currentColor;margin:auto;position:relative}
.menu-toggle i:before,.menu-toggle i:after{content:"";position:absolute;left:0}.menu-toggle i:before{top:-6px}.menu-toggle i:after{top:6px}
.hero{min-height:650px;position:relative;background:var(--ink-deep);color:#fff;overflow:hidden}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .65s ease}
.hero-slide.active{opacity:1}
.hero-slide:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,31,23,.92) 0%,rgba(11,42,31,.74) 47%,rgba(9,32,24,.32) 100%)}
.hero-inner{position:relative;z-index:2;min-height:650px;padding:88px 0 52px;display:flex;flex-direction:column;justify-content:center}
.hero-content{max-width:830px}
.hero .eyebrow{color:#f4d19e}.hero .eyebrow:before{background:var(--orange)}
.hero h1{margin:14px 0 20px;font-size:clamp(38px,5vw,63px);line-height:1.18;letter-spacing:-.05em;max-width:790px}
.hero h1 strong{color:#f5bf71;font-weight:900}
.hero-copy{max-width:770px;color:#e6eee7;font-size:17px;line-height:2;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-progress{display:flex;align-items:end;gap:25px;margin-top:45px}
.progress-copy{font-size:13px;color:#d5e2d8;min-width:145px;line-height:1.5}
.progress-copy b{display:block;color:#fff;font-size:15px}
.progress-line{width:min(380px,45vw);height:8px;border-radius:999px;background:rgba(255,255,255,.23);overflow:hidden}
.progress-line span{display:block;width:72%;height:100%;background:var(--orange);border-radius:inherit}
.hero-count{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:#f6d9ad}
.hero-controls{position:absolute;z-index:4;right:max(24px,calc((100vw - var(--container))/2));bottom:34px;display:flex;gap:8px}
.slide-dot{width:42px;height:42px;border:1px solid rgba(255,255,255,.45);border-radius:50%;background:rgba(8,31,23,.36);color:#fff;transition:background var(--ease)}
.slide-dot.active,.slide-dot:hover{background:var(--orange);border-color:var(--orange)}
.pain-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.pain-list{border-top:1px solid var(--line)}
.pain-item{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.pain-icon{width:40px;height:40px;border-radius:10px;background:var(--orange-soft);color:#9a5618;display:grid;place-items:center;font-weight:900}
.pain-item h3{margin:0 0 2px;font-size:17px;color:var(--ink)}.pain-item p{margin:0;color:var(--muted);font-size:14px}
.paper-panel{background:var(--white);padding:25px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transform:rotate(1deg)}
.panel-title{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid var(--line);font-weight:900;color:var(--ink)}
.score-row{display:grid;grid-template-columns:1fr 76px 1fr;align-items:center;text-align:center;padding:16px 0;border-bottom:1px dashed var(--line);font-size:14px}
.score-row b{font-family:ui-monospace,monospace;font-size:23px;color:var(--green)}.score-row small{color:var(--muted)}
.flow-wrap{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;position:relative}
.flow:before{content:"";position:absolute;top:29px;left:8%;right:8%;height:1px;background:var(--line)}
.flow-step{position:relative;z-index:1}
.flow-num{width:58px;height:58px;border-radius:50%;background:var(--mist);border:1px solid var(--line);display:grid;place-items:center;color:var(--green);font-family:ui-monospace,monospace;font-weight:900;font-size:15px}
.flow-step:nth-child(3) .flow-num{background:var(--green);color:#fff;border-color:var(--green)}
.flow-step h3{font-size:16px;margin:12px 0 4px;color:var(--ink)}.flow-step p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}
.product-intro{display:grid;grid-template-columns:.88fr 1.12fr;gap:54px;align-items:center}
.image-stack{position:relative;padding:0 25px 28px 0}
.image-stack img{width:100%;aspect-ratio:1.18;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.float-note{position:absolute;right:0;bottom:0;width:190px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:14px;box-shadow:var(--shadow-sm)}
.float-note b{display:block;font-size:21px;color:var(--orange);font-family:ui-monospace,monospace}.float-note span{font-size:12px;color:var(--muted)}
.intro-text h2{font-size:clamp(28px,3.4vw,42px);line-height:1.3;color:var(--ink);margin:11px 0 15px}.intro-text p{color:var(--muted);margin:0 0 17px}
.check-list{padding:0;margin:18px 0 0;list-style:none}.check-list li{padding:8px 0 8px 27px;position:relative;border-bottom:1px dashed var(--line);font-size:14px}.check-list li:before{content:"✓";position:absolute;left:2px;color:var(--orange);font-weight:900}
.method-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--line);background:var(--white);border-radius:var(--radius);overflow:hidden}
.method{padding:25px 20px;border-right:1px solid var(--line);min-height:190px}.method:last-child{border-right:0}.method b{font-family:ui-monospace,monospace;color:var(--orange);font-size:13px}.method h3{font-size:17px;line-height:1.4;color:var(--ink);margin:16px 0 7px}.method p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.advantage-layout{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:16px}
.adv-card{background:var(--white);border:1px solid var(--line);padding:23px;border-radius:13px;box-shadow:0 4px 0 rgba(31,92,70,.05);transition:transform var(--ease),box-shadow var(--ease)}
.adv-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.adv-card:nth-child(1){grid-column:span 2;background:var(--ink);color:#fff}.adv-card:nth-child(1) h3,.adv-card:nth-child(1) p{color:#fff}.adv-card:nth-child(1) .tag{background:#315e4e;color:#dfeee4}
.adv-card:nth-child(4){grid-column:span 2;background:#edf2e9}
.adv-icon{color:var(--orange);font-size:21px;font-weight:900}.adv-card h3{margin:13px 0 7px;font-size:17px;color:var(--ink)}.adv-card p{margin:0;font-size:13px;line-height:1.7;color:var(--muted)}.adv-card .tag{margin-top:14px}
.product-row{display:grid;grid-template-columns:1.1fr .95fr .95fr;gap:20px;align-items:stretch}
.product-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease)}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.product-card:first-child{background:var(--green);color:#fff}.product-card:first-child h3,.product-card:first-child p{color:#fff}.product-card:first-child .tag{background:#498d73;color:#fff}
.product-img{height:170px;overflow:hidden}.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.product-card:hover .product-img img{transform:scale(1.04)}
.product-body{padding:22px;display:flex;flex-direction:column;align-items:flex-start;flex:1}.product-body h3{font-size:21px;color:var(--ink);margin:12px 0 7px;line-height:1.3}.product-body p{font-size:14px;color:var(--muted);margin:0 0 15px;line-height:1.72}.product-body .btn{margin-top:auto}
.scene-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:24px}
.scene-feature{position:relative;min-height:405px;padding:34px;border-radius:var(--radius);overflow:hidden;color:#fff;background:var(--ink)}
.scene-feature:before{content:"";position:absolute;inset:0;background:url('/assets/images/coverpic/cover-8.webp') center/cover;opacity:.36}.scene-feature>*{position:relative}.scene-feature h3{font-size:30px;line-height:1.3;margin:14px 0}.scene-feature p{max-width:510px;color:#e1ede5;margin:0}.scene-tabs{display:grid;gap:12px}.scene-tab{background:var(--white);border:1px solid var(--line);padding:18px 20px;border-radius:12px;transition:border var(--ease),transform var(--ease)}.scene-tab:hover{border-color:var(--green);transform:translateX(4px)}.scene-tab h3{font-size:16px;color:var(--ink);margin:0 0 4px}.scene-tab p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.dark-section{background:var(--ink-deep);color:#f3f6ef;overflow:hidden}.dark-section .section-head h2{color:#fff}.dark-section .section-head p{color:#cad9cd}.case-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:45px;align-items:center}.case-number{font-family:ui-monospace,monospace;font-size:clamp(66px,10vw,130px);line-height:1;color:#f0ae59;letter-spacing:-.08em}.case-copy h3{font-size:26px;color:#fff;margin:12px 0}.case-copy p{color:#cad9cd;margin:0 0 18px}.trace{padding:0;margin:0;list-style:none;border-left:1px solid #436354}.trace li{position:relative;padding:0 0 18px 23px;color:#d7e3d9;font-size:14px}.trace li:before{content:"";position:absolute;left:-5px;top:7px;width:9px;height:9px;border-radius:50%;background:var(--orange)}.dark-board{border:1px solid #3b5c4d;border-radius:14px;padding:23px;background:#143329}.board-top{display:flex;justify-content:space-between;color:#b5cbbd;font-size:13px;border-bottom:1px solid #365446;padding-bottom:13px}.board-row{display:grid;grid-template-columns:1.3fr 1fr 55px;gap:12px;padding:14px 0;border-bottom:1px solid #315143;font-size:14px}.board-row b{color:#f4c180;text-align:right}
.stats-strip{padding:28px 0;background:var(--orange);color:#3d250e}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.stat{border-right:1px solid rgba(76,45,14,.22);padding-left:17px}.stat:last-child{border:0}.stat b{display:block;font-size:29px;line-height:1.2;font-family:ui-monospace,monospace}.stat span{font-size:13px;font-weight:700}
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.story{padding:26px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);position:relative}.story:before{content:"“";font-family:Georgia,serif;color:var(--orange);font-size:58px;line-height:.5}.story p{color:#43574e;font-size:14px;margin:12px 0 18px}.story footer{font-size:13px;color:var(--green);font-weight:800;border-top:1px solid var(--line);padding-top:12px}
.testimonial{display:grid;grid-template-columns:100px 1fr;gap:25px;align-items:start;background:var(--mist);padding:35px;border-radius:var(--radius);border-left:5px solid var(--orange)}.quote-mark{font-family:Georgia,serif;font-size:92px;line-height:.7;color:var(--green)}.testimonial blockquote{font-size:20px;line-height:1.8;color:var(--ink);margin:0}.testimonial cite{display:block;color:var(--muted);font-size:14px;font-style:normal;margin-top:16px}
.audience-matrix{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}.audience{padding:22px 17px;border-right:1px solid var(--line)}.audience:last-child{border:0}.audience h3{font-size:16px;color:var(--ink);margin:0 0 10px}.audience p{color:var(--muted);font-size:13px;line-height:1.7;margin:0}
.news-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:40px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:110px 1fr auto;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.news-date{color:var(--orange);font:700 13px ui-monospace,monospace}.news-item h3{margin:0 0 4px;color:var(--ink);font-size:17px}.news-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.news-arrow{color:var(--green);font-size:20px}.news-side{background:var(--ink);color:#fff;padding:27px;border-radius:var(--radius)}.news-side h3{font-size:22px;margin:0 0 12px}.news-side p{font-size:14px;line-height:1.8;color:#d7e5dc;margin:0 0 17px}
.metric-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}.metric-row{display:grid;grid-template-columns:1.25fr 1fr 1.5fr;align-items:center;padding:16px 22px;border-bottom:1px solid var(--line);gap:20px}.metric-row:last-child{border-bottom:0}.metric-row.head{background:var(--mist);font-size:13px;font-weight:800;color:var(--green)}.metric-row b{font-size:15px;color:var(--ink)}.bar{height:8px;background:#e2e9e1;border-radius:99px;overflow:hidden}.bar span{display:block;height:100%;background:var(--green);border-radius:inherit}.metric-row em{font-size:13px;color:var(--muted);font-style:normal}
.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;min-height:62px;border:0;background:transparent;display:flex;align-items:center;justify-content:space-between;text-align:left;color:var(--ink);font-weight:800;font-size:16px;padding:14px 4px;gap:15px}.faq-q:hover{color:var(--green)}.faq-q span:last-child{width:28px;height:28px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;flex:none;transition:transform var(--ease),background var(--ease)}.faq-q[aria-expanded="true"] span:last-child{background:var(--green);border-color:var(--green);color:#fff;transform:rotate(45deg)}.faq-a{display:none;max-width:850px;padding:0 45px 19px 4px;color:var(--muted);font-size:14px}.faq-a.open{display:block}
.cta-section{padding:72px 0;background:#dce8d8}.cta-box{background:var(--green);border-radius:var(--radius);padding:48px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;color:#fff;box-shadow:var(--shadow)}.cta-box h2{font-size:32px;line-height:1.35;margin:0 0 10px}.cta-box p{color:#dfede3;margin:0;max-width:680px}.cta-buttons{display:flex;flex-direction:column;gap:10px}.cta-buttons .btn-primary{background:var(--orange);border-color:var(--orange);color:#3d250e}.cta-buttons .btn-primary:hover{background:#efaa57}
.footer{background:var(--ink-deep);color:#d7e2d9;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .9fr;gap:45px;padding-bottom:36px}.footer .brand{color:#fff}.footer p{font-size:14px;line-height:1.8;color:#b7ccbd;max-width:380px}.footer h3{font-size:15px;color:#fff;margin:4px 0 13px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:14px;color:#b7ccbd}.footer-links a:hover{color:#f3bd71}.contact-list{list-style:none;padding:0;margin:0}.contact-list li{font-size:14px;color:#b7ccbd;margin:8px 0}.footer-bottom{padding-top:18px;border-top:1px solid #315244;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#93af9e;font-size:12px}
@media(max-width:1024px){
 .nav-list a{padding:9px 7px;font-size:13px}.nav-wrap{gap:13px}.product-intro,.case-grid{gap:30px}.audience{padding:18px 12px}.section{padding:74px 0}
}
@media(max-width:768px){
 .topbar-tags{display:none}.topbar-inner{justify-content:center}.nav-wrap{height:66px}.menu-toggle{display:block}.nav-list{position:fixed;top:0;right:-100%;width:min(330px,88vw);height:100vh;background:var(--paper);padding:85px 24px 24px;display:flex;align-items:stretch;flex-direction:column;gap:8px;z-index:50;box-shadow:-12px 0 30px rgba(0,0,0,.16);transition:right .28s ease}.nav-list.open{right:0}.nav-list a{padding:12px;font-size:16px}.nav-cta{display:none}.nav-list:after{content:"赛事数据咨询";margin-top:18px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.menu-close{display:block;position:fixed;right:20px;top:13px;z-index:51;color:var(--ink);font-size:25px}.hero,.hero-inner{min-height:610px}.hero-inner{padding-top:64px}.hero-progress{gap:14px}.pain-grid,.product-intro,.scene-grid,.news-layout{grid-template-columns:1fr}.paper-panel{max-width:540px;transform:none}.flow{grid-template-columns:repeat(5,1fr);overflow-x:auto;padding-bottom:8px}.flow-step{min-width:125px}.method-grid{grid-template-columns:repeat(2,1fr)}.method:nth-child(2){border-right:0}.method:nth-child(3){border-top:1px solid var(--line)}.advantage-layout{grid-template-columns:1fr 1fr}.adv-card:nth-child(1),.adv-card:nth-child(4){grid-column:span 2}.product-row,.story-grid{grid-template-columns:1fr}.product-card:first-child{min-height:0}.audience-matrix{grid-template-columns:1fr 1fr}.audience{border-bottom:1px solid var(--line)}.audience:nth-child(2){border-right:0}.audience:last-child{grid-column:span 2}.stats-grid{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}.cta-box{grid-template-columns:1fr;padding:34px}.cta-buttons{flex-direction:row;flex-wrap:wrap}.hero-controls{right:24px}
}
@media(max-width:520px){
 body{font-size:15px}.container{width:min(calc(100% - 32px),var(--container))}.section{padding:57px 0}.brand{font-size:16px}.brand-mark{width:27px;height:27px}.hero h1{font-size:36px}.hero-copy{font-size:15px;line-height:1.9}.hero-actions .btn{width:100%}.hero-progress{align-items:flex-start;flex-direction:column;margin-top:28px}.progress-line{width:100%}.hero-controls{bottom:19px}.pain-item{grid-template-columns:39px 1fr;gap:11px}.flow-wrap{padding:20px}.method-grid{grid-template-columns:1fr}.method{border-right:0;border-bottom:1px solid var(--line);min-height:auto}.method:last-child{border-bottom:0}.advantage-layout{grid-template-columns:1fr}.adv-card:nth-child(1),.adv-card:nth-child(4){grid-column:auto}.float-note{width:165px}.testimonial{grid-template-columns:1fr;padding:25px}.quote-mark{font-size:66px}.testimonial blockquote{font-size:17px}.audience-matrix{grid-template-columns:1fr}.audience,.audience:nth-child(2){border-right:0}.audience:last-child{grid-column:auto}.news-item{grid-template-columns:1fr auto;gap:7px}.news-date{grid-column:span 2}.news-arrow{grid-column:2;grid-row:2}.metric-row{grid-template-columns:1fr;padding:14px 16px;gap:8px}.metric-row.head{display:none}.stats-grid{gap:0}.stat{padding:10px 11px}.stat b{font-size:23px}.cta-box h2{font-size:27px}.cta-buttons{flex-direction:column}.cta-buttons .btn{width:100%}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-grid>div:first-child{grid-column:auto}
}

/* roulang page: category1 */
:root{
 --ink:#183c32;--ink-deep:#0d251e;--green:#23634e;--green-2:#367b62;
 --mint:#dce9de;--mist:#eef3eb;--paper:#fbfaf4;--cream:#f5f1e7;
 --orange:#d98732;--orange-soft:#f6dfbd;--text:#263832;--muted:#65736c;
 --line:#d9e0d7;--white:#fffef9;--shadow:0 14px 34px rgba(21,57,45,.10);
 --shadow-sm:0 7px 18px rgba(21,57,45,.08);--radius:16px;--radius-sm:10px;
 --container:1200px;--ease:220ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);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}img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(217,135,50,.55);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:84px 0;position:relative}.section-soft{background:var(--mist)}.section-cream{background:var(--cream)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.section-head{max-width:800px;margin-bottom:38px}.section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.32;letter-spacing:-.03em;color:var(--ink);margin:10px 0 12px}.section-head p{margin:0;color:var(--muted)}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:9px;font-weight:800;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
.btn-primary{background:var(--green);color:#fff;border:1px solid var(--green);box-shadow:0 8px 18px rgba(27,78,61,.18)}.btn-primary:hover{background:var(--ink);transform:translateY(-2px);box-shadow:0 12px 22px rgba(27,78,61,.23)}.btn-primary:active{transform:translateY(0)}
.btn-light{border:1px solid var(--line);background:var(--white);color:var(--ink)}.btn-light:hover{border-color:var(--green);background:var(--mint);transform:translateY(-2px)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--mint);color:var(--green);font-size:12px;font-weight:800;line-height:1.5}
.site-header{position:sticky;top:0;z-index:30;background:rgba(251,250,244,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(217,224,215,.85)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;color:var(--ink);font-size:19px;white-space:nowrap;letter-spacing:-.04em}
.brand-mark{width:31px;height:31px;border:2px solid var(--green);border-radius:8px;display:grid;place-items:center;position:relative}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--orange)}.brand-mark:before{width:14px;height:2px}.brand-mark:after{width:2px;height:14px}
.nav-list{list-style:none;padding:0;margin:0;display:flex;align-items:center;gap:4px}.nav-list a{padding:10px 11px;color:#43574e;font-size:14px;font-weight:700;border-radius:7px;transition:background var(--ease),color var(--ease)}.nav-list a:hover,.nav-list a.active{color:var(--green);background:var(--mint)}
.nav-cta{font-size:14px;min-height:42px;padding:8px 15px;white-space:nowrap}.menu-toggle,.menu-close{display:none}
.page-hero{padding:78px 0 74px;background:var(--cream);border-bottom:1px solid var(--line);text-align:center;position:relative;overflow:hidden}
.page-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,transparent 49%,rgba(35,99,78,.06) 50%,transparent 51%),linear-gradient(rgba(35,99,78,.05) 1px,transparent 1px);background-size:80px 80px,100% 40px;opacity:.7}
.page-hero>*{position:relative}.page-hero h1{max-width:820px;margin:13px auto 15px;color:var(--ink);font-size:clamp(34px,5vw,58px);line-height:1.25;letter-spacing:-.05em}.page-hero p{max-width:730px;margin:0 auto 25px;color:var(--muted)}
.search-box{max-width:650px;margin:0 auto 20px;display:flex;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:6px;box-shadow:var(--shadow-sm)}.search-box input{min-width:0;flex:1;border:0;background:transparent;padding:10px 14px;color:var(--text);outline:0}.search-box button{border:0;border-radius:8px;padding:10px 20px;background:var(--green);color:#fff;font-weight:800}.search-box button:hover{background:var(--ink)}
.chips{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.chips span{padding:6px 12px;border:1px solid #cbd9cd;border-radius:99px;font-size:13px;color:var(--green);background:rgba(255,254,249,.7)}
.scope{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}.scope-copy p{color:var(--muted);margin:0 0 20px}.scope-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.scope-list div{padding:17px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);font-weight:800;color:var(--ink)}.scope-list span{display:block;color:var(--muted);font-size:13px;font-weight:400;margin-top:3px}
.collection-list{border-top:1px solid var(--line)}.collection-item{display:grid;grid-template-columns:76px 1fr 160px;gap:24px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line)}.collection-no{font:800 24px ui-monospace,monospace;color:var(--orange)}.collection-item h3{margin:0 0 5px;color:var(--ink);font-size:20px}.collection-item p{margin:0;color:var(--muted);font-size:14px}.field-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:11px}.collection-item .btn{justify-self:end}
.capability{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:stretch}.cap-panel{background:var(--ink-deep);color:#f6f3e9;border-radius:var(--radius);padding:30px}.cap-panel h3{margin:0 0 18px;font-size:21px}.cap-row{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.15);font-size:14px}.cap-row b{color:#f3c37e}.cap-note{padding:28px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.cap-note h3{margin:0 0 12px;color:var(--ink)}.cap-note p{color:var(--muted);margin:0}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scenario{min-height:190px;padding:25px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);position:relative}.scenario:nth-child(2){transform:translateY(22px)}.scenario:nth-child(3){background:var(--mint)}.scenario h3{margin:0 0 8px;color:var(--ink)}.scenario p{margin:0;color:var(--muted);font-size:14px}.scenario .tag{margin-bottom:13px}
.quality{display:grid;grid-template-columns:.75fr 1.25fr;gap:42px;align-items:center}.quality h2{color:var(--ink);font-size:32px;line-height:1.35;margin:10px 0 14px}.quality p{color:var(--muted)}.quality-table{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.quality-line{display:grid;grid-template-columns:1fr 1fr;padding:16px 20px;border-bottom:1px solid var(--line)}.quality-line:last-child{border:0}.quality-line strong{color:var(--ink)}.quality-line span{color:var(--muted);font-size:14px}
.faq-list{max-width:900px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-q{width:100%;min-height:60px;padding:15px 4px;border:0;background:transparent;display:flex;justify-content:space-between;align-items:center;text-align:left;color:var(--ink);font-weight:800}.faq-q b{font-size:24px;color:var(--orange);font-weight:400;transition:transform var(--ease)}.faq-q[aria-expanded=true] b{transform:rotate(45deg)}.faq-a{display:none;padding:0 38px 18px 4px;color:var(--muted);font-size:14px}.faq-a.open{display:block}
.cta{padding:68px 0;background:var(--orange-soft)}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.cta h2{margin:0 0 8px;color:var(--ink);font-size:32px;line-height:1.35}.cta p{margin:0;color:#5d604e}.footer{padding:58px 0 24px;background:var(--ink-deep);color:#dce9de}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:50px}.footer .brand{color:#fffef9}.footer p{max-width:390px;color:#b8cbbd;margin:18px 0 0;font-size:14px}.footer h3{margin:3px 0 14px;color:#fff;font-size:16px}.footer-links{display:grid;gap:8px;color:#b8cbbd;font-size:14px}.footer-links a:hover{color:#f5c27d}.contact-list{list-style:none;padding:0;margin:0;color:#b8cbbd;font-size:14px;line-height:2.1}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:18px;color:#99b0a1;font-size:13px}
@media(max-width:1024px){.nav-list a{padding:10px 6px;font-size:13px}.nav-wrap{gap:12px}.collection-item{grid-template-columns:60px 1fr 135px}}
@media(max-width:768px){.container{width:min(calc(100% - 34px),var(--container))}.nav-wrap{height:68px}.menu-toggle{display:grid;place-items:center}.nav-list{position:fixed;inset:0 0 0 auto;width:min(310px,88vw);background:var(--paper);padding:76px 24px 24px;display:flex;align-items:stretch;flex-direction:column;gap:5px;transform:translateX(105%);transition:transform var(--ease);box-shadow:-10px 0 30px rgba(0,0,0,.15)}.nav-list.open{transform:translateX(0)}.nav-list a{font-size:16px;padding:12px}.nav-list .menu-close{display:block;position:absolute;right:18px;top:14px;font-size:30px;line-height:1;color:var(--ink)}.nav-cta{display:none}.section{padding:64px 0}.scope,.capability,.quality{grid-template-columns:1fr;gap:28px}.collection-item{grid-template-columns:50px 1fr;gap:14px}.collection-item .btn{grid-column:2;justify-self:start}.scenario-grid{grid-template-columns:1fr 1fr}.scenario:nth-child(2){transform:none}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.cta-inner{align-items:flex-start;flex-direction:column}}
@media(max-width:520px){.page-hero{padding:58px 0}.page-hero h1{font-size:35px}.search-box{display:block;background:transparent;border:0;box-shadow:none;padding:0}.search-box input{width:100%;background:var(--white);border:1px solid var(--line);border-radius:9px;margin-bottom:9px;padding:12px}.search-box button{width:100%;min-height:46px}.scope-list,.scenario-grid{grid-template-columns:1fr}.quality-line{grid-template-columns:1fr;gap:3px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column;gap:4px}.cta h2{font-size:27px}}

/* roulang page: category2 */
:root{
 --ink:#183c32;--ink-deep:#0d251e;--green:#23634e;--green-2:#367b62;
 --mint:#dce9de;--mist:#eef3eb;--paper:#fbfaf4;--cream:#f5f1e7;
 --orange:#d98732;--orange-soft:#f6dfbd;--text:#263832;--muted:#65736c;
 --line:#d9e0d7;--white:#fffef9;--shadow:0 14px 34px rgba(21,57,45,.10);
 --shadow-sm:0 7px 18px rgba(21,57,45,.08);--radius:16px;--radius-sm:10px;
 --container:1200px;--ease:220ms ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);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}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(217,135,50,.55);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:88px 0;position:relative}
.section-soft{background:var(--mist)}
.section-cream{background:var(--cream)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.section-head{max-width:790px;margin-bottom:38px}
.section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.32;letter-spacing:-.03em;color:var(--ink);margin:10px 0 12px}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:9px;font-weight:800;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
.btn-primary{background:var(--green);color:#fff;border:1px solid var(--green);box-shadow:0 8px 18px rgba(27,78,61,.18)}
.btn-primary:hover{background:var(--ink);transform:translateY(-2px);box-shadow:0 12px 22px rgba(27,78,61,.23)}
.btn-light{border:1px solid var(--line);background:var(--white);color:var(--ink)}
.btn-light:hover{border-color:var(--green);background:var(--mint);transform:translateY(-2px)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--mint);color:var(--green);font-size:12px;font-weight:800;line-height:1.5}
.topbar{background:var(--ink-deep);color:#dbe8df;font-size:13px}
.topbar-inner{min-height:39px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar-tags{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.topbar-right{white-space:nowrap;color:#bcd2c4}
.site-header{position:sticky;top:0;z-index:30;background:rgba(251,250,244,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(217,224,215,.85)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;color:var(--ink);font-size:19px;white-space:nowrap;letter-spacing:-.04em}
.brand-mark{width:31px;height:31px;border:2px solid var(--green);border-radius:8px;display:grid;place-items:center;position:relative}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--orange)}
.brand-mark:before{width:14px;height:2px}.brand-mark:after{width:2px;height:14px}
.nav-list{list-style:none;padding:0;margin:0;display:flex;align-items:center;gap:4px}
.nav-list a{padding:10px 11px;color:#43574e;font-size:14px;font-weight:700;border-radius:7px;transition:background var(--ease),color var(--ease)}
.nav-list a:hover,.nav-list a.active{color:var(--green);background:var(--mint)}
.nav-cta{font-size:14px;min-height:42px;padding:8px 15px;white-space:nowrap}
.menu-toggle,.menu-close{display:none}
.page-hero{background:var(--ink-deep);color:#fff;padding:76px 0 70px;position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;right:-8%;top:-50%;width:55%;height:180%;background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;opacity:.28;transform:rotate(-7deg)}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:clamp(36px,5vw,62px);line-height:1.2;letter-spacing:-.05em;max-width:760px;margin:14px 0 18px}
.page-hero h1 strong{color:#f5bf71}
.page-hero p{max-width:720px;color:#dce8df;font-size:17px;margin:0}
.hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
.hero-meta .tag{background:rgba(220,233,222,.13);color:#e6f0e5;border:1px solid rgba(220,233,222,.22)}
.filter-strip{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:22px 26px;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:var(--radius);margin-top:-34px;position:relative;z-index:3}
.filter-strip b{color:var(--ink);margin-right:7px}
.filter-strip span{padding:6px 13px;border:1px solid var(--line);border-radius:99px;color:var(--muted);font-size:13px}
.schedule-list{display:grid;gap:15px}
.schedule-item{display:grid;grid-template-columns:132px 1fr auto;gap:24px;align-items:center;background:var(--white);border:1px solid var(--line);border-left:5px solid var(--green);border-radius:var(--radius-sm);padding:22px 24px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.schedule-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#bdd0c0}
.date-box{color:var(--green);font-family:ui-monospace,SFMono-Regular,monospace;font-weight:900;font-size:18px;line-height:1.35}
.date-box small{display:block;color:var(--muted);font:13px "Microsoft YaHei",sans-serif;margin-top:4px}
.schedule-item h3{margin:0 0 5px;color:var(--ink);font-size:19px}
.schedule-item p{margin:0;color:var(--muted);font-size:14px}
.item-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}
.item-tags span{font-size:12px;color:var(--green);background:var(--mint);padding:3px 8px;border-radius:5px}
.status{display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-size:13px;font-weight:800;white-space:nowrap}
.status:before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%}
.support-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:start}
.field-table{border:1px solid var(--line);background:var(--white);border-radius:var(--radius);overflow:hidden}
.field-row{display:grid;grid-template-columns:150px 1fr;padding:15px 20px;border-bottom:1px solid var(--line)}
.field-row:last-child{border-bottom:0}
.field-row b{color:var(--ink)}.field-row span{color:var(--muted);font-size:14px}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene-card{background:var(--paper);border-top:3px solid var(--orange);padding:24px 22px;min-height:190px}
.scene-card h3{margin:13px 0 8px;color:var(--ink);font-size:18px}.scene-card p{margin:0;color:var(--muted);font-size:14px}
.scene-no{font-family:ui-monospace,monospace;color:var(--orange);font-size:13px;font-weight:900}
.quality-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center}
.quality-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:8px solid var(--white)}
.quality-image img{width:100%;aspect-ratio:1.35;object-fit:cover}
.check-list{list-style:none;padding:0;margin:20px 0 0}
.check-list li{padding:13px 0 13px 29px;border-bottom:1px solid var(--line);position:relative;color:var(--muted)}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}
.faq-list{max-width:850px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;min-height:58px;border:0;background:transparent;text-align:left;padding:15px 42px 15px 0;position:relative;color:var(--ink);font-weight:800}
.faq-q:after{content:"+";position:absolute;right:8px;top:11px;font-size:25px;color:var(--orange);transition:transform var(--ease)}
.faq-q[aria-expanded="true"]:after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease}
.faq-a p{margin:0 0 18px}
.cta{background:var(--orange-soft);padding:58px 0}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{margin:0 0 8px;color:var(--ink);font-size:clamp(25px,3vw,38px);line-height:1.35}
.cta p{margin:0;color:#59675f}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
.footer{background:var(--ink-deep);color:#dce8df;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.25fr .8fr 1fr;gap:60px}
.footer .brand{color:#fff}.footer .brand-mark{border-color:#c9dfcf}
.footer p{color:#a9beb0;max-width:360px;font-size:14px;margin:18px 0 0}
.footer h3{font-size:15px;color:#fff;margin:4px 0 16px}
.footer-links{display:grid;gap:8px;color:#adc2b3;font-size:14px}.footer-links a:hover{color:#f5bf71}
.contact-list{list-style:none;padding:0;margin:0;color:#adc2b3;font-size:14px;line-height:2.1}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(220,233,222,.17);margin-top:42px;padding-top:18px;color:#91a99a;font-size:13px}
@media(max-width:1024px){.nav-list a{padding:9px 7px;font-size:13px}.nav-wrap{gap:12px}.support-grid,.quality-layout{gap:28px}}
@media(max-width:768px){
 .container{width:min(calc(100% - 32px),var(--container))}.topbar-inner{padding:7px 0;display:block}.topbar-right{display:block;margin-top:2px}
 .nav-wrap{height:66px}.menu-toggle{display:block}.nav-cta{display:none}
 .nav-list{position:fixed;right:0;top:0;width:min(84vw,340px);height:100vh;background:var(--paper);display:flex;flex-direction:column;align-items:stretch;padding:70px 22px 25px;gap:5px;box-shadow:-12px 0 32px rgba(0,0,0,.18);transform:translateX(105%);transition:transform .3s ease}
 .nav-list.open{transform:translateX(0)}.nav-list a{padding:13px 15px;min-height:46px}.menu-close{display:block!important;position:absolute;right:16px;top:13px;font-size:30px!important;color:var(--muted)!important;background:transparent!important}
 .page-hero{padding:58px 0 65px}.section{padding:65px 0}.schedule-item{grid-template-columns:1fr;gap:8px}.schedule-item .btn{justify-self:start}
 .support-grid,.quality-layout{grid-template-columns:1fr}.scene-grid{grid-template-columns:1fr 1fr}.cta-box{display:block}.cta-actions{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:480px){
 .page-hero h1{font-size:36px}.filter-strip{margin-top:-25px;padding:18px}.filter-strip b{width:100%}.scene-grid{grid-template-columns:1fr}
 .field-row{grid-template-columns:110px 1fr;padding:13px 15px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}
@media(max-width:375px){.container{width:calc(100% - 26px)}.brand{font-size:16px}.brand-mark{width:28px;height:28px}.page-hero h1{font-size:32px}}

/* roulang page: category4 */
:root{
 --ink:#183c32;--ink-deep:#0d251e;--green:#23634e;--green-2:#367b62;
 --mint:#dce9de;--mist:#eef3eb;--paper:#fbfaf4;--cream:#f5f1e7;
 --orange:#d98732;--orange-soft:#f6dfbd;--text:#263832;--muted:#65736c;
 --line:#d9e0d7;--white:#fffef9;--shadow:0 14px 34px rgba(21,57,45,.10);
 --shadow-sm:0 7px 18px rgba(21,57,45,.08);--radius:16px;--radius-sm:10px;
 --container:1200px;--ease:220ms ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);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}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(217,135,50,.55);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:88px 0;position:relative}
.section-soft{background:var(--mist)}
.section-cream{background:var(--cream)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.section-head{max-width:800px;margin-bottom:38px}
.section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.32;letter-spacing:-.03em;color:var(--ink);margin:10px 0 12px}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:9px;font-weight:800;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
.btn-primary{background:var(--green);color:#fff;border:1px solid var(--green);box-shadow:0 8px 18px rgba(27,78,61,.18)}
.btn-primary:hover{background:var(--ink);transform:translateY(-2px);box-shadow:0 12px 22px rgba(27,78,61,.23)}
.btn-line{border:1px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn-line:hover{background:rgba(255,255,255,.14)}
.btn-light{border:1px solid var(--line);background:var(--white);color:var(--ink)}
.btn-light:hover{border-color:var(--green);background:var(--mint);transform:translateY(-2px)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--mint);color:var(--green);font-size:12px;font-weight:800;line-height:1.5}
.topbar{background:var(--ink-deep);color:#dbe8df;font-size:13px}
.topbar-inner{min-height:39px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar-tags{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.topbar-right{white-space:nowrap;color:#bcd2c4}
.site-header{position:sticky;top:0;z-index:30;background:rgba(251,250,244,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(217,224,215,.85)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;color:var(--ink);font-size:19px;white-space:nowrap;letter-spacing:-.04em}
.brand-mark{width:31px;height:31px;border:2px solid var(--green);border-radius:8px;display:grid;place-items:center;position:relative}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--orange)}
.brand-mark:before{width:14px;height:2px}.brand-mark:after{width:2px;height:14px}
.nav-list{list-style:none;padding:0;margin:0;display:flex;align-items:center;gap:4px}
.nav-list a{padding:10px 11px;color:#43574e;font-size:14px;font-weight:700;border-radius:7px;transition:background var(--ease),color var(--ease)}
.nav-list a:hover,.nav-list a.active{color:var(--green);background:var(--mint)}
.nav-cta{font-size:14px;min-height:42px;padding:8px 15px;white-space:nowrap}
.menu-toggle,.menu-close{display:none}
.page-banner{background:var(--ink-deep);color:#fff;padding:74px 0 78px;position:relative;overflow:hidden}
.page-banner:after{content:"";position:absolute;right:4%;top:0;width:42%;height:100%;background:url('/assets/images/backpic/back-5.webp') center/cover;opacity:.2;mix-blend-mode:screen}
.banner-inner{position:relative;z-index:1;max-width:820px}
.page-banner .eyebrow{color:#f4d19e}
.page-banner h1{font-size:clamp(36px,5vw,58px);line-height:1.2;letter-spacing:-.05em;margin:14px 0 18px}
.page-banner p{max-width:720px;color:#dce8df;margin:0;font-size:17px}
.banner-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
.banner-meta .tag{background:rgba(220,233,222,.13);color:#e3efe4;border:1px solid rgba(220,233,222,.24)}
.filter-strip{padding:24px 0;border-bottom:1px solid var(--line);background:var(--white)}
.filter-inner{display:flex;justify-content:space-between;align-items:center;gap:22px}
.filter-copy{color:var(--muted);font-size:14px}.filter-copy strong{color:var(--ink)}
.filter-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.data-list{display:grid;grid-template-columns:1.2fr .8fr;gap:26px}
.list-main{display:grid;gap:14px}
.data-item{display:grid;grid-template-columns:86px 1fr auto;gap:20px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:20px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.data-item:hover{transform:translateY(-3px);border-color:#a9c4b2;box-shadow:var(--shadow-sm)}
.item-index{font:700 27px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--orange)}
.data-item h3{margin:0 0 5px;color:var(--ink);font-size:19px}
.data-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.field-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.field-tags span{font-size:12px;color:var(--green);background:var(--mist);padding:3px 8px;border-radius:5px}
.item-action{white-space:nowrap;color:var(--green);font-weight:800;font-size:14px}
.item-action:after{content:" →";color:var(--orange)}
.preview-card{background:var(--ink);color:#fff;border-radius:16px;padding:27px;box-shadow:var(--shadow);align-self:start}
.preview-card h3{margin:0;color:#fff;font-size:20px}
.preview-card p{color:#c8d8cd;font-size:14px;margin:8px 0 22px}
.code-panel{background:#102d24;border:1px solid rgba(255,255,255,.13);border-radius:10px;padding:16px;font:13px/1.9 ui-monospace,SFMono-Regular,Menlo,monospace;color:#dcebdc;overflow:auto}
.code-panel b{color:#f2bd73}.code-panel i{color:#9fd0a8;font-style:normal}
.more-row{margin-top:22px}
.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.field-table{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--white)}
.field-row{display:grid;grid-template-columns:1fr 1.2fr 1fr;padding:14px 18px;border-bottom:1px solid var(--line);font-size:14px;gap:12px}
.field-row:last-child{border-bottom:0}.field-row.head{background:var(--green);color:#fff;font-weight:800}
.field-row span:nth-child(2){color:var(--muted)}
.chain{background:var(--cream);border-radius:16px;padding:26px}
.chain h3{margin:0 0 18px;color:var(--ink)}
.chain-step{display:flex;gap:14px;align-items:flex-start;padding:13px 0;border-bottom:1px dashed #cbd5ca}
.chain-step:last-child{border:0}.chain-step b{width:28px;height:28px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:13px;flex:none}
.chain-step strong{display:block;color:var(--ink);font-size:15px}.chain-step small{color:var(--muted)}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.scene{min-height:190px;padding:22px;background:var(--white);border:1px solid var(--line);border-radius:14px}
.scene:nth-child(2),.scene:nth-child(4){transform:translateY(20px);background:var(--mint)}
.scene b{display:block;color:var(--orange);font:700 14px ui-monospace,monospace;margin-bottom:22px}
.scene h3{color:var(--ink);margin:0 0 7px;font-size:18px}.scene p{margin:0;color:var(--muted);font-size:14px}
.quality{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.quality-image{border-radius:16px;overflow:hidden;box-shadow:var(--shadow);border:8px solid var(--white)}
.quality-image img{width:100%;height:320px;object-fit:cover}
.quality-points{display:grid;gap:16px}.quality-point{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.quality-point em{font-style:normal;color:var(--orange);font-weight:900}.quality-point strong{display:block;color:var(--ink)}.quality-point span{font-size:14px;color:var(--muted)}
.faq-list{max-width:850px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;min-height:58px;padding:15px 0;border:0;background:none;color:var(--ink);display:flex;justify-content:space-between;text-align:left;font-weight:800}
.faq-question span:last-child{font-size:24px;color:var(--orange);line-height:1}
.faq-answer{display:none;padding:0 40px 18px 0;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta-band{background:var(--orange-soft);padding:62px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-inner h2{color:var(--ink);font-size:clamp(26px,3vw,38px);line-height:1.35;margin:0 0 8px}.cta-inner p{margin:0;color:#5d675b}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
.footer{background:var(--ink-deep);color:#dbe8df;padding:60px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr 1fr;gap:55px}
.footer .brand{color:#fff}.footer .brand-mark{border-color:#bcd6c2}
.footer p{color:#afc4b7;max-width:370px;font-size:14px;margin-top:18px}
.footer h3{font-size:15px;color:#fff;margin:3px 0 16px}.footer-links{display:grid;gap:8px}.footer-links a{color:#afc4b7;font-size:14px}.footer-links a:hover{color:#f5c47c}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:8px;color:#afc4b7;font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:17px;display:flex;justify-content:space-between;color:#8fa99a;font-size:13px}
@media(max-width:1024px){.nav-list a{padding:9px 6px;font-size:13px}.nav-wrap{gap:12px}.data-list,.quality{grid-template-columns:1fr}.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.topbar-right{display:none}.topbar-inner{min-height:36px}.nav-wrap{height:66px}.brand{font-size:17px}.nav-cta{display:none}.menu-toggle{display:grid;place-items:center;border:1px solid var(--line);background:var(--white)}.nav-list{position:fixed;inset:0 0 0 auto;width:min(310px,88vw);background:var(--paper);display:flex;flex-direction:column;align-items:stretch;gap:5px;padding:78px 22px 25px;transform:translateX(105%);transition:transform var(--ease);box-shadow:-12px 0 30px rgba(0,0,0,.12)}.nav-list.open{transform:translateX(0)}.nav-list:before{content:"";position:fixed;inset:0 100% 0 -100vw;background:rgba(13,37,30,.45)}.nav-list a{padding:13px 14px}.menu-close{display:block!important;position:absolute;right:17px;top:14px;font-size:30px!important;color:var(--ink)!important;background:transparent!important}.section{padding:64px 0}.page-banner{padding:58px 0 62px}.page-banner h1{font-size:38px}.filter-inner{display:block}.filter-tags{justify-content:flex-start;margin-top:14px}.data-item{grid-template-columns:48px 1fr}.item-action{grid-column:2}.support-grid{grid-template-columns:1fr}.scene-grid{grid-template-columns:1fr}.scene:nth-child(2),.scene:nth-child(4){transform:none}.cta-inner{display:block}.cta-actions{margin-top:22px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}
@media(max-width:480px){.page-banner h1{font-size:32px}.page-banner p{font-size:15px}.data-item{padding:16px;gap:13px}.data-item h3{font-size:17px}.field-row{grid-template-columns:1fr 1fr;padding:12px;font-size:13px}.field-row.head span:last-child,.field-row span:last-child{display:none}.quality-image img{height:230px}.section-head{margin-bottom:28px}}

/* roulang page: category3 */
:root{
 --ink:#183c32;
 --ink-deep:#0d251e;
 --green:#23634e;
 --green-2:#367b62;
 --mint:#dce9de;
 --mist:#eef3eb;
 --paper:#fbfaf4;
 --cream:#f5f1e7;
 --orange:#d98732;
 --orange-soft:#f6dfbd;
 --text:#263832;
 --muted:#65736c;
 --line:#d9e0d7;
 --white:#fffef9;
 --shadow:0 14px 34px rgba(21,57,45,.10);
 --shadow-sm:0 7px 18px rgba(21,57,45,.08);
 --radius:16px;
 --radius-sm:10px;
 --container:1200px;
 --ease:220ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);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}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(217,135,50,.55);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:88px 0;position:relative}
.section-soft{background:var(--mist)}
.section-cream{background:var(--cream)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.section-head{max-width:790px;margin-bottom:38px}
.section-head h2{font-size:clamp(27px,3vw,41px);line-height:1.32;letter-spacing:-.04em;color:var(--ink);margin:10px 0 12px}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:9px;font-weight:800;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
.btn-primary{background:var(--green);color:#fff;border:1px solid var(--green);box-shadow:0 8px 18px rgba(27,78,61,.18)}
.btn-primary:hover{background:var(--ink);transform:translateY(-2px);box-shadow:0 12px 22px rgba(27,78,61,.23)}
.btn-primary:active{transform:translateY(0)}
.btn-light{border:1px solid var(--line);background:var(--white);color:var(--ink)}
.btn-light:hover{border-color:var(--green);background:var(--mint);transform:translateY(-2px)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--mint);color:var(--green);font-size:12px;font-weight:800;line-height:1.5}
.site-header{position:sticky;top:0;z-index:30;background:rgba(251,250,244,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(217,224,215,.85)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;color:var(--ink);font-size:19px;white-space:nowrap;letter-spacing:-.04em}
.brand-mark{width:31px;height:31px;border:2px solid var(--green);border-radius:8px;display:grid;place-items:center;position:relative}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--orange)}
.brand-mark:before{width:14px;height:2px}
.brand-mark:after{width:2px;height:14px}
.nav-list{list-style:none;padding:0;margin:0;display:flex;align-items:center;gap:4px}
.nav-list a{padding:10px 11px;color:#43574e;font-size:14px;font-weight:700;border-radius:7px;transition:background var(--ease),color var(--ease)}
.nav-list a:hover,.nav-list a.active{color:var(--green);background:var(--mint)}
.nav-cta{font-size:14px;min-height:42px;padding:8px 15px;white-space:nowrap}
.menu-toggle{display:none;width:44px;height:44px;background:transparent;border:1px solid var(--line);border-radius:8px;color:var(--ink)}
.menu-toggle i,.menu-toggle i:before,.menu-toggle i:after{display:block;width:18px;height:2px;background:currentColor;margin:auto;position:relative}
.menu-toggle i:before,.menu-toggle i:after{content:"";position:absolute;left:0}
.menu-toggle i:before{top:-6px}.menu-toggle i:after{top:6px}
.page-banner{padding:76px 0 72px;background:var(--ink-deep);color:#fff;position:relative;overflow:hidden}
.page-banner:after{content:"";position:absolute;right:-90px;top:-120px;width:420px;height:420px;border:1px solid rgba(219,233,222,.2);border-radius:50%;box-shadow:0 0 0 30px rgba(219,233,222,.04),0 0 0 70px rgba(219,233,222,.03)}
.banner-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center;position:relative;z-index:1}
.page-banner .eyebrow{color:#f5d3a0}
.page-banner h1{font-size:clamp(35px,5vw,60px);line-height:1.2;letter-spacing:-.05em;margin:14px 0 18px}
.page-banner p{max-width:720px;color:#dce9df;margin:0;font-size:17px}
.banner-note{border-left:3px solid var(--orange);padding:22px 0 22px 24px}
.banner-note strong{display:block;font-size:30px;color:#f4c274;line-height:1.2;margin-bottom:8px}
.banner-note span{color:#dce9df;font-size:14px}
.filter-panel{display:flex;justify-content:space-between;gap:25px;align-items:flex-start;padding:24px 28px;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:var(--radius)}
.filter-copy{max-width:650px}.filter-copy h2{font-size:23px;color:var(--ink);margin:0 0 5px}.filter-copy p{margin:0;color:var(--muted);font-size:14px}
.tag-list{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;max-width:420px}
.analysis-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.analysis-item{display:grid;grid-template-columns:62px 1fr;gap:20px;background:var(--white);border:1px solid var(--line);padding:26px;border-radius:var(--radius-sm);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.analysis-item:nth-child(2){transform:translateY(24px)}
.analysis-item:hover{transform:translateY(-4px);border-color:#b8cdbd;box-shadow:var(--shadow)}
.analysis-item:nth-child(2):hover{transform:translateY(20px)}
.item-index{width:52px;height:52px;border-radius:13px;background:var(--mint);color:var(--green);display:grid;place-items:center;font:800 18px ui-monospace,monospace}
.analysis-item h3{margin:0 0 7px;color:var(--ink);font-size:20px}
.analysis-item p{margin:0 0 14px;color:var(--muted);font-size:14px}
.field-row{display:flex;gap:7px;flex-wrap:wrap}
.field{font-size:12px;color:var(--green);background:var(--mist);padding:4px 8px;border-radius:5px}
.support-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:start}
.support-layout h2{margin:10px 0 13px;color:var(--ink);font-size:34px;line-height:1.35}
.support-layout p{color:var(--muted)}
.data-table{border-top:2px solid var(--green);background:var(--white);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-sm)}
.data-line{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:14px;padding:15px 18px;border-bottom:1px solid var(--line);font-size:14px}
.data-line:first-child{font-weight:800;color:var(--ink);background:var(--mint)}
.data-line span:last-child{color:var(--muted)}
.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.scenario{min-height:190px;padding:23px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);position:relative}
.scenario:nth-child(even){background:var(--white);transform:translateY(18px)}
.scenario b{display:block;color:var(--orange);font:800 14px ui-monospace,monospace;margin-bottom:30px}
.scenario h3{font-size:18px;color:var(--ink);margin:0 0 7px}.scenario p{font-size:14px;color:var(--muted);margin:0}
.quality{background:var(--ink);color:#fff}
.quality-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
.quality h2{font-size:34px;line-height:1.35;margin:10px 0 16px}.quality p{color:#c9dbcf}
.check-list{display:grid;gap:13px;margin:0;padding:0;list-style:none}
.check-list li{padding:16px 18px;background:rgba(255,255,255,.07);border:1px solid rgba(220,233,222,.16);border-radius:10px;color:#e7f0e8}
.check-list strong{color:#f3c178;margin-right:8px}
.faq-list{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;min-height:62px;text-align:left;border:0;background:transparent;color:var(--ink);font-weight:800;padding:16px 42px 16px 0;position:relative}
.faq-question:after{content:"＋";position:absolute;right:6px;top:14px;color:var(--orange);font-size:23px;font-weight:400}
.faq-question[aria-expanded="true"]:after{content:"−"}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 45px 18px 0}
.faq-answer.open{display:block}
.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:40px 46px;background:var(--orange-soft);border:1px solid #ebcc9e;border-radius:var(--radius);position:relative;overflow:hidden}
.cta-panel:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(35,99,78,.18);border-radius:50%;right:-55px;top:-90px}
.cta-panel h2{margin:0 0 8px;color:var(--ink);font-size:31px;line-height:1.35}.cta-panel p{margin:0;color:#58655c}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1}
.footer{background:var(--ink-deep);color:#dce9df;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:60px}
.footer .brand{color:#fff}.footer p{color:#b9cdbf;max-width:390px;font-size:14px;margin:18px 0 0}
.footer h3{font-size:16px;color:#fff;margin:0 0 14px}
.footer-links{display:grid;gap:8px;color:#b9cdbf;font-size:14px}.footer-links a:hover{color:#f4c274}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:8px;color:#b9cdbf;font-size:14px}
.footer-bottom{border-top:1px solid rgba(220,233,222,.15);margin-top:42px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:#91aa9c;font-size:13px}
@media(max-width:1024px){
 .nav-list{gap:0}.nav-list a{padding:9px 7px;font-size:13px}.nav-cta{padding:8px 11px}
 .banner-grid,.support-layout,.quality-grid{gap:35px}
 .scenario-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(calc(100% - 36px),var(--container))}
 .section{padding:66px 0}
 .nav-wrap{height:68px}.menu-toggle{display:block;flex:none}
 .nav-wrap nav{margin-left:auto}
 .nav-list{position:fixed;inset:0 0 0 auto;width:min(330px,88vw);height:100vh;background:var(--paper);display:flex;flex-direction:column;align-items:stretch;padding:74px 22px 24px;gap:5px;transform:translateX(105%);transition:transform var(--ease);box-shadow:-14px 0 35px rgba(13,37,30,.18);z-index:50}
 .nav-list.open{transform:translateX(0)}
 .nav-list a{padding:13px 14px;font-size:15px}.menu-close{display:block!important;position:absolute;right:17px;top:14px;font-size:30px!important;color:var(--muted)!important;background:transparent!important}
 .nav-cta{display:none}
 .banner-grid{grid-template-columns:1fr}.page-banner{padding:58px 0}.banner-note{max-width:360px}
 .filter-panel{display:block}.tag-list{justify-content:flex-start;margin-top:18px}
 .analysis-list{grid-template-columns:1fr}.analysis-item:nth-child(2){transform:none}.analysis-item:nth-child(2):hover{transform:translateY(-4px)}
 .support-layout,.quality-grid{grid-template-columns:1fr}
 .scenario-grid{grid-template-columns:1fr 1fr}.scenario:nth-child(even){transform:none}
 .cta-panel{display:block;padding:30px 25px}.cta-actions{margin-top:22px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-grid>div:first-child{grid-column:1/-1}
 .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
}
@media(max-width:480px){
 .container{width:min(calc(100% - 28px),var(--container))}
 .page-banner h1{font-size:36px}.page-banner p{font-size:15px}
 .section-head h2,.support-layout h2,.quality h2{font-size:28px}
 .analysis-item{grid-template-columns:1fr;padding:22px}.item-index{width:45px;height:45px}
 .data-line{grid-template-columns:1fr;gap:2px;padding:13px 15px}.data-line:first-child{display:none}
 .scenario-grid{grid-template-columns:1fr}.scenario{min-height:150px}.scenario b{margin-bottom:20px}
 .footer-grid{grid-template-columns:1fr}
}
@media(max-width:375px){
 body{font-size:15px}.brand{font-size:16px}.brand-mark{width:28px;height:28px}
 .page-banner h1{font-size:32px}.btn{width:100%}.cta-actions{display:grid}
}
.menu-close{display:none}

/* roulang page: category5 */
:root{
 --ink:#183c32;
 --ink-deep:#0d251e;
 --green:#23634e;
 --green-2:#367b62;
 --mint:#dce9de;
 --mist:#eef3eb;
 --paper:#fbfaf4;
 --cream:#f5f1e7;
 --orange:#d98732;
 --orange-soft:#f6dfbd;
 --text:#263832;
 --muted:#65736c;
 --line:#d9e0d7;
 --white:#fffef9;
 --shadow:0 14px 34px rgba(21,57,45,.10);
 --shadow-sm:0 7px 18px rgba(21,57,45,.08);
 --radius:16px;
 --radius-sm:10px;
 --container:1200px;
 --ease:220ms ease;
}
*,
*::before,
*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:var(--paper);
 color:var(--text);
 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}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible{
 outline:3px solid rgba(217,135,50,.55);
 outline-offset:3px;
}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:92px 0;position:relative}
.section-soft{background:var(--mist)}
.section-cream{background:var(--cream)}
.eyebrow{
 display:inline-flex;
 align-items:center;
 gap:8px;
 color:var(--green);
 font-size:13px;
 font-weight:800;
 letter-spacing:.08em;
}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.section-head{max-width:790px;margin-bottom:40px}
.section-head h2{
 font-size:clamp(27px,3vw,40px);
 line-height:1.32;
 letter-spacing:-.03em;
 color:var(--ink);
 margin:10px 0 12px;
}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.btn{
 min-height:46px;
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:8px;
 padding:10px 19px;
 border-radius:9px;
 font-weight:800;
 transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{
 background:var(--green);
 color:#fff;
 border:1px solid var(--green);
 box-shadow:0 8px 18px rgba(27,78,61,.18);
}
.btn-primary:hover{
 background:var(--ink);
 transform:translateY(-2px);
 box-shadow:0 12px 22px rgba(27,78,61,.23);
}
.btn-primary:active{transform:translateY(0)}
.btn-line{
 border:1px solid rgba(255,255,255,.55);
 color:#fff;
 background:rgba(255,255,255,.06);
}
.btn-line:hover{background:rgba(255,255,255,.14)}
.btn-light{
 border:1px solid var(--line);
 background:var(--white);
 color:var(--ink);
}
.btn-light:hover{
 border-color:var(--green);
 background:var(--mint);
 transform:translateY(-2px);
}
.tag{
 display:inline-flex;
 align-items:center;
 padding:4px 10px;
 border-radius:99px;
 background:var(--mint);
 color:var(--green);
 font-size:12px;
 font-weight:800;
 line-height:1.5;
}
.topbar{
 background:var(--ink-deep);
 color:#dbe8df;
 font-size:13px;
}
.topbar-inner{
 min-height:39px;
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:20px;
}
.topbar-tags{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.topbar-tags span{color:#dce9de}
.topbar-right{white-space:nowrap;color:#bcd2c4}
.site-header{
 position:sticky;
 top:0;
 z-index:30;
 background:rgba(251,250,244,.96);
 backdrop-filter:blur(10px);
 border-bottom:1px solid rgba(217,224,215,.85);
}
.nav-wrap{
 height:76px;
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:24px;
}
.brand{
 display:inline-flex;
 align-items:center;
 gap:10px;
 font-weight:900;
 color:var(--ink);
 font-size:19px;
 white-space:nowrap;
 letter-spacing:-.04em;
}
.brand-mark{
 width:31px;
 height:31px;
 border:2px solid var(--green);
 border-radius:8px;
 display:grid;
 place-items:center;
 position:relative;
}
.brand-mark:before,
.brand-mark:after{
 content:"";
 position:absolute;
 background:var(--orange);
}
.brand-mark:before{width:14px;height:2px}
.brand-mark:after{width:2px;height:14px}
.nav-list{
 list-style:none;
 padding:0;
 margin:0;
 display:flex;
 align-items:center;
 gap:4px;
}
.nav-list a{
 padding:10px 11px;
 color:#43574e;
 font-size:14px;
 font-weight:700;
 border-radius:7px;
 transition:background var(--ease),color var(--ease);
}
.nav-list a:hover,
.nav-list a.active{
 color:var(--green);
 background:var(--mint);
}
.nav-cta{font-size:14px;min-height:42px;padding:8px 15px;white-space:nowrap}
.menu-toggle{
 display:none;
 width:44px;
 height:44px;
 background:transparent;
 border:1px solid var(--line);
 border-radius:8px;
 color:var(--ink);
}
.menu-toggle i,
.menu-toggle i:before,
.menu-toggle i:after{
 display:block;
 width:18px;
 height:2px;
 background:currentColor;
 margin:auto;
 position:relative;
}
.menu-toggle i:before,
.menu-toggle i:after{
 content:"";
 position:absolute;
 left:0;
}
.menu-toggle i:before{top:-6px}
.menu-toggle i:after{top:6px}
.menu-close{display:none!important}

.page-hero{
 min-height:410px;
 position:relative;
 display:flex;
 align-items:center;
 overflow:hidden;
 color:#fff;
 background:
 linear-gradient(90deg,rgba(8,31,23,.95),rgba(11,42,31,.72)),
 url("/assets/images/backpic/back-5.webp") center/cover no-repeat;
}
.page-hero:before{
 content:"";
 position:absolute;
 right:8%;
 bottom:36px;
 width:230px;
 height:130px;
 border:1px solid rgba(245,191,113,.35);
 border-radius:50%;
 transform:rotate(-12deg);
}
.page-hero:after{
 content:"";
 position:absolute;
 right:15%;
 bottom:102px;
 width:9px;
 height:9px;
 border-radius:50%;
 background:var(--orange);
 box-shadow:58px -27px 0 rgba(245,191,113,.72),112px 16px 0 rgba(245,191,113,.45);
}
.page-hero-inner{position:relative;z-index:2;padding:76px 0}
.page-hero-content{max-width:790px}
.page-hero .eyebrow{color:#f4d19e}
.page-hero h1{
 margin:14px 0 18px;
 max-width:760px;
 font-size:clamp(36px,5vw,58px);
 line-height:1.22;
 letter-spacing:-.05em;
}
.page-hero p{
 margin:0;
 max-width:730px;
 color:#e5eee7;
 font-size:17px;
 line-height:1.95;
}
.hero-meta{
 margin-top:26px;
 display:flex;
 flex-wrap:wrap;
 gap:9px;
}
.hero-meta .tag{
 background:rgba(220,233,222,.12);
 color:#e7f0e7;
 border:1px solid rgba(220,233,222,.25);
}

.filter-strip{
 display:flex;
 align-items:flex-start;
 justify-content:space-between;
 gap:30px;
 padding:28px 32px;
 background:var(--white);
 border:1px solid var(--line);
 border-left:5px solid var(--orange);
 box-shadow:var(--shadow-sm);
 border-radius:var(--radius);
}
.filter-copy{max-width:600px}
.filter-copy h2{margin:0 0 6px;color:var(--ink);font-size:22px}
.filter-copy p{margin:0;color:var(--muted);font-size:14px}
.filter-tags{
 max-width:490px;
 display:flex;
 flex-wrap:wrap;
 justify-content:flex-end;
 gap:9px;
}

.scene-list{display:grid;gap:18px}
.scene-item{
 display:grid;
 grid-template-columns:72px minmax(0,1fr) 190px 150px;
 align-items:center;
 gap:24px;
 padding:24px 26px;
 background:var(--white);
 border:1px solid var(--line);
 border-radius:var(--radius-sm);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-item:nth-child(even){background:#f7f5ec;transform:translateX(28px)}
.scene-item:hover{
 transform:translateY(-4px);
 border-color:#b5cdbd;
 box-shadow:var(--shadow);
}
.scene-item:nth-child(even):hover{transform:translate(28px,-4px)}
.scene-number{
 width:52px;
 height:52px;
 display:grid;
 place-items:center;
 border-radius:13px;
 color:var(--green);
 background:var(--mint);
 font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
 font-weight:900;
 font-size:17px;
}
.scene-item:nth-child(even) .scene-number{background:var(--orange-soft);color:#9b5d1d}
.scene-item h3{margin:0 0 5px;color:var(--ink);font-size:20px}
.scene-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.field-tags{display:flex;flex-wrap:wrap;gap:7px}
.field-tags .tag{background:#edf2e8}
.scene-use{
 padding-left:18px;
 border-left:1px dashed var(--line);
 color:var(--muted);
 font-size:13px;
}
.scene-use strong{display:block;color:var(--green);font-size:14px;margin-bottom:3px}
.scene-more{margin-top:28px;text-align:center}

.support-layout{
 display:grid;
 grid-template-columns:.82fr 1.18fr;
 gap:58px;
 align-items:start;
}
.support-visual{
 position:relative;
 padding:16px 0 0 16px;
}
.support-visual:before{
 content:"";
 position:absolute;
 inset:0 34px 34px 0;
 border:1px solid var(--orange);
 border-radius:var(--radius);
}
.support-visual img{
 position:relative;
 z-index:1;
 width:100%;
 aspect-ratio:1.2/1;
 object-fit:cover;
 border-radius:var(--radius);
 box-shadow:var(--shadow);
}
.visual-note{
 position:absolute;
 z-index:2;
 right:-16px;
 bottom:16px;
 width:190px;
 padding:16px;
 background:var(--ink);
 color:#fff;
 border-radius:12px;
 box-shadow:var(--shadow);
}
.visual-note small{display:block;color:#bdd5c5;font-size:12px}
.visual-note strong{display:block;margin-top:3px;color:#f5bf71;font-size:23px}
.support-content h2{margin:0 0 12px;color:var(--ink);font-size:32px;line-height:1.35}
.support-content>p{margin:0 0 26px;color:var(--muted)}
.field-table{
 overflow:hidden;
 border:1px solid var(--line);
 border-radius:var(--radius-sm);
 background:var(--white);
}
.field-row{
 display:grid;
 grid-template-columns:1fr 1.4fr;
 gap:20px;
 padding:14px 17px;
 border-bottom:1px solid var(--line);
 font-size:14px;
}
.field-row:last-child{border-bottom:0}
.field-row b{color:var(--ink)}
.field-row span{color:var(--muted)}
.field-row:first-child{background:var(--mint)}
.field-row:first-child b,.field-row:first-child span{color:var(--green);font-weight:800}

.role-grid{
 display:grid;
 grid-template-columns:repeat(4,1fr);
 gap:16px;
}
.role-card{
 min-height:210px;
 padding:25px 22px;
 border:1px solid var(--line);
 background:var(--paper);
 border-radius:var(--radius);
 position:relative;
 overflow:hidden;
}
.role-card:nth-child(2),
.role-card:nth-child(4){margin-top:28px;background:var(--white)}
.role-card:after{
 content:"";
 position:absolute;
 right:-25px;
 bottom:-30px;
 width:100px;
 height:100px;
 border:1px solid rgba(217,135,50,.36);
 border-radius:50%;
}
.role-icon{
 width:42px;
 height:42px;
 display:grid;
 place-items:center;
 background:var(--orange-soft);
 border-radius:11px;
 color:#965719;
 font-weight:900;
}
.role-card h3{margin:18px 0 6px;color:var(--ink);font-size:18px}
.role-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}

.quality-band{
 background:var(--ink-deep);
 color:#fff;
}
.quality-layout{
 display:grid;
 grid-template-columns:1fr 1fr;
 gap:65px;
 align-items:center;
}
.quality-band .eyebrow{color:#f4d19e}
.quality-band h2{margin:11px 0 14px;color:#fff;font-size:clamp(27px,3vw,40px);line-height:1.35}
.quality-band p{margin:0;color:#c8d9cc}
.quality-points{display:grid;gap:14px}
.quality-point{
 display:flex;
 gap:15px;
 padding:16px 0;
 border-bottom:1px solid rgba(220,233,222,.18);
}
.quality-point:last-child{border-bottom:0}
.quality-point b{
 flex:0 0 32px;
 height:32px;
 display:grid;
 place-items:center;
 border:1px solid var(--orange);
 border-radius:50%;
 color:#f5bf71;
 font-family:ui-monospace,monospace;
 font-size:13px;
}
.quality-point h3{margin:0 0 3px;color:#fff;font-size:16px}
.quality-point p{font-size:14px;line-height:1.7}

.faq-wrap{max-width:880px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{
 width:100%;
 min-height:64px;
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:20px;
 padding:16px 0;
 border:0;
 background:transparent;
 color:var(--ink);
 text-align:left;
 font-weight:800;
 font-size:16px;
}
.faq-question:hover{color:var(--green)}
.faq-question .plus{
 width:30px;
 height:30px;
 flex:0 0 30px;
 display:grid;
 place-items:center;
 border:1px solid var(--line);
 border-radius:50%;
 color:var(--green);
 font-size:21px;
 line-height:1;
 transition:transform var(--ease),background var(--ease);
}
.faq-question[aria-expanded="true"] .plus{
 transform:rotate(45deg);
 background:var(--mint);
}
.faq-answer{
 display:none;
 padding:0 52px 20px 0;
 color:var(--muted);
 font-size:14px;
 line-height:1.85;
}
.faq-answer.open{display:block}

.consult-section{
 padding:76px 0;
 background:var(--orange-soft);
}
.consult-box{
 display:grid;
 grid-template-columns:1fr .92fr;
 gap:50px;
 align-items:center;
}
.consult-box h2{margin:10px 0 12px;color:var(--ink);font-size:clamp(27px,3vw,40px);line-height:1.35}
.consult-box p{margin:0;color:#59685e;max-width:620px}
.consult-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}
.consult-card{
 padding:25px;
 background:rgba(255,254,249,.75);
 border:1px solid rgba(24,60,50,.14);
 border-radius:var(--radius);
}
.consult-card h3{margin:0 0 13px;color:var(--ink);font-size:18px}
.consult-card dl{margin:0;display:grid;gap:10px}
.consult-card dl div{display:flex;justify-content:space-between;gap:15px;border-bottom:1px dashed rgba(24,60,50,.2);padding-bottom:8px}
.consult-card dt{color:var(--muted);font-size:13px}
.consult-card dd{margin:0;color:var(--green);font-weight:800;font-size:14px;text-align:right}

.footer{
 padding:62px 0 22px;
 background:var(--ink-deep);
 color:#c8d9cc;
}
.footer-grid{
 display:grid;
 grid-template-columns:1.35fr .8fr 1fr;
 gap:60px;
 padding-bottom:38px;
 border-bottom:1px solid rgba(220,233,222,.17);
}
.footer .brand{color:#fff}
.footer .brand-mark{border-color:#8eb99e}
.footer p{max-width:380px;margin:18px 0 0;color:#a9c1b0;font-size:14px;line-height:1.8}
.footer h3{margin:0 0 15px;color:#f4f8f0;font-size:16px}
.footer-links{display:grid;gap:8px}
.footer-links a{color:#b4cbb9;font-size:14px;transition:color var(--ease),transform var(--ease)}
.footer-links a:hover{color:#f5bf71;transform:translateX(3px)}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:8px;color:#b4cbb9;font-size:14px}
.footer-bottom{
 display:flex;
 justify-content:space-between;
 gap:20px;
 padding-top:19px;
 color:#91ab99;
 font-size:12px;
}
.footer-bottom span:last-child{color:#b6cbb9}

@media (max-width:1024px){
 .nav-wrap{gap:14px}
 .nav-list{gap:0}
 .nav-list a{padding:9px 7px;font-size:13px}
 .nav-cta{padding-left:12px;padding-right:12px}
 .scene-item{grid-template-columns:60px minmax(0,1fr) 150px}
 .scene-use{display:none}
 .role-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
 .container{width:min(calc(100% - 36px),var(--container))}
 .section{padding:68px 0}
 .topbar-inner{min-height:35px}
 .topbar-right{display:none}
 .nav-wrap{height:68px}
 .nav-cta{display:none}
 .menu-toggle{display:block;flex:0 0 44px}
 .nav-list{
  position:fixed;
  z-index:40;
  top:0;
  right:0;
  bottom:0;
  width:min(88vw,350px);
  padding:75px 24px 30px;
  display:flex;
  flex-direction:column;
  align-items:stretch;
  gap:5px;
  background:var(--paper);
  box-shadow:-15px 0 35px rgba(13,37,30,.18);
  transform:translateX(105%);
  transition:transform .28s ease;
 }
 .nav-list.is-open{transform:translateX(0)}
 .nav-list:before{
  content:"";
  position:fixed;
  inset:0 100% 0 -100vw;
  background:rgba(13,37,30,.45);
  opacity:0;
  pointer-events:none;
  transition:opacity .28s ease;
 }
 .nav-list.is-open:before{opacity:1;pointer-events:auto}
 .nav-list a{padding:13px 14px;font-size:15px}
 .nav-list .menu-close{
  display:grid!important;
  place-items:center;
  position:absolute;
  top:18px;
  right:19px;
  width:44px;
  height:44px;
  padding:0;
  color:var(--ink);
  font-size:28px;
  background:var(--mist);
 }
 .page-hero{min-height:420px}
 .page-hero-inner{padding:68px 0}
 .page-hero h1{font-size:clamp(34px,8vw,48px)}
 .filter-strip{display:block;padding:23px}
 .filter-tags{justify-content:flex-start;margin-top:18px}
 .scene-item,
 .scene-item:nth-child(even){
  grid-template-columns:54px minmax(0,1fr);
  gap:16px;
  transform:none;
  padding:20px;
 }
 .scene-item:hover,
 .scene-item:nth-child(even):hover{transform:translateY(-3px)}
 .field-tags{grid-column:2}
 .support-layout,
 .quality-layout,
 .consult-box{grid-template-columns:1fr;gap:36px}
 .support-visual{max-width:560px}
 .role-card:nth-child(2),
 .role-card:nth-child(4){margin-top:0}
 .footer-grid{grid-template-columns:1fr 1fr;gap:35px}
 .footer-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:520px){
 body{font-size:15px}
 .container{width:min(calc(100% - 30px),var(--container))}
 .topbar-tags{gap:5px;font-size:11px}
 .brand{font-size:16px;gap:7px}
 .brand-mark{width:28px;height:28px}
 .page-hero{min-height:445px}
 .page-hero h1{font-size:34px}
 .page-hero p{font-size:15px;line-height:1.85}
 .section-head{margin-bottom:28px}
 .section-head h2{font-size:28px}
 .support-visual{padding:10px 0 0 10px}
 .visual-note{right:-6px;bottom:9px;width:165px;padding:13px}
 .visual-note strong{font-size:19px}
 .field-row{grid-template-columns:1fr;gap:2px;padding:13px 14px}
 .role-grid{grid-template-columns:1fr}
 .role-card{min-height:auto}
 .faq-question{font-size:15px}
 .faq-answer{padding-right:0}
 .consult-card{padding:19px}
 .consult-card dl div{display:block}
 .consult-card dd{text-align:left;margin-top:2px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .footer-grid>div:first-child{grid-column:auto}
 .footer-bottom{display:block;line-height:2}
 .footer-bottom span{display:block}
}
@media (max-width:375px){
 .container{width:calc(100% - 24px)}
 .brand{font-size:15px}
 .page-hero h1{font-size:31px}
 .scene-item,
 .scene-item:nth-child(even){padding:17px 14px}
 .field-tags{gap:5px}
 .tag{font-size:11px;padding:4px 8px}
}