/* roulang page: index */
:root{
--ink:#14251f;--deep:#10231d;--green:#12674e;--green2:#0d4f3c;--lime:#b6e62e;--coral:#ed7655;
--paper:#fffdf8;--mist:#f1f6f0;--line:#dbe7de;--muted:#62736c;--white:#fff;
--shadow:0 14px 34px rgba(17,47,37,.09);--shadow-lg:0 22px 52px rgba(10,37,28,.16);
--radius:18px;--container:1200px;--ease:all .25s ease;
}
*{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;line-height:1.8;font-size:16px;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;object-fit:cover}button,input,select{font:inherit}button{cursor:pointer;border:0}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(182,230,46,.82);outline-offset:3px}.container{width:min(calc(100% - 48px),var(--container));margin:auto}.section{padding:92px 0;position:relative}.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:20px;height:2px;background:var(--lime)}h1,h2,h3,p{margin-top:0}h2{font-size:clamp(27px,3vw,42px);line-height:1.28;letter-spacing:-.03em;margin-bottom:16px}h3{line-height:1.4;margin-bottom:8px;font-size:20px}p{color:var(--muted);margin-bottom:0}.lead{max-width:690px;font-size:17px;line-height:1.85}.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:10px;font-weight:800;transition:var(--ease)}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green2);transform:translateY(-2px);box-shadow:0 9px 17px rgba(18,103,78,.24)}.btn-coral{background:var(--coral);color:#fff}.btn-coral:hover{background:#d85f41;transform:translateY(-2px)}.btn-outline{color:var(--green);border:1px solid #b8d1c2;background:#fff}.btn-outline:hover{background:var(--mist);border-color:var(--green)}.tag{display:inline-flex;align-items:center;padding:4px 10px;border:1px solid #cfe0d4;border-radius:99px;color:var(--green2);font-size:12px;font-weight:700;background:#fff}
.topbar{background:var(--deep);color:#d7e4db;font-size:13px}.topbar .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:14px}.top-info,.top-contact{display:flex;align-items:center;gap:17px}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(182,230,46,.12)}.site-header{z-index:50;position:sticky;top:0;background:rgba(255,253,248,.97);border-bottom:1px solid transparent;transition:var(--ease)}.site-header.scrolled{box-shadow:0 7px 24px rgba(11,42,31,.09);border-color:var(--line)}.main-nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}.logo-mark{width:33px;height:33px;border-radius:10px;background:var(--green);position:relative}.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;border:2px solid var(--lime)}.logo-mark:before{width:12px;height:12px;left:8px;top:4px}.logo-mark:after{width:18px;height:8px;left:6px;bottom:5px;border-top:0;border-radius:0 0 20px 20px}.nav-links{display:flex;align-items:center;gap:21px;font-size:14px;font-weight:700}.nav-links a{padding:24px 0;position:relative;color:#375046}.nav-links a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--green);transition:var(--ease)}.nav-links a:hover,.nav-links a.active{color:var(--green)}.nav-links a:hover:after,.nav-links a.active:after{width:100%}.nav-cta{white-space:nowrap}.menu-btn{display:none;width:44px;height:44px;background:transparent;color:var(--green);font-size:23px}
.hero{background:var(--mist);padding:54px 0 36px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:50px;align-items:center}.hero-copy h1{font-size:clamp(36px,4.4vw,60px);line-height:1.14;letter-spacing:-.055em;margin:14px 0 19px}.hero-copy h1 span{color:var(--green)}.hero-copy>p{font-size:17px;max-width:650px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.hero-points{margin-top:28px;display:flex;gap:17px;flex-wrap:wrap}.hero-point{font-size:13px;font-weight:700;color:#42574e;display:flex;align-items:center;gap:7px}.hero-point b{color:var(--green);font-size:18px}.paper-wrap{position:relative;min-height:420px}.paper-cover{position:absolute;right:34px;top:0;width:min(90%,430px);height:388px;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);background:var(--deep)}.paper-cover img{height:100%;width:100%;opacity:.48}.paper-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(12,37,29,.88),rgba(18,103,78,.55))}.cover-content{z-index:1;position:absolute;inset:0;padding:37px;color:#fff;display:flex;flex-direction:column;justify-content:space-between}.cover-content small{color:var(--lime);font-weight:800;letter-spacing:.12em}.cover-content strong{font-size:34px;line-height:1.25}.cover-content em{font-style:normal;font-size:13px;color:#d4e4db}.toc-card{position:absolute;left:0;bottom:0;width:270px;padding:21px;background:#fff;border-radius:14px;box-shadow:var(--shadow);z-index:2}.toc-card b{display:block;font-size:15px;margin-bottom:9px}.toc-card ul{list-style:none;padding:0;margin:0}.toc-card li{padding:5px 0;border-bottom:1px solid #edf1ed;font-size:13px;color:var(--muted)}.toc-card li:last-child{border:0}.hero-slider{margin-top:36px;background:var(--deep);color:#e5eee8;border-radius:14px;padding:13px 18px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:13px}.progress{height:3px;width:180px;background:#385246;border-radius:4px;overflow:hidden}.progress i{display:block;height:100%;width:33%;background:var(--lime);transition:width .5s}
.split-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:52px;align-items:start}.news-stream{display:grid;gap:16px;margin-top:30px}.story-row{display:grid;grid-template-columns:185px 1fr;gap:20px;padding:0 0 17px;border-bottom:1px solid var(--line)}.story-row img{width:185px;height:125px;border-radius:12px}.story-row h3{font-size:19px;margin:6px 0}.story-row p{font-size:14px;line-height:1.7}.meta{font-size:12px;color:#718179;display:flex;align-items:center;gap:10px}.hot-panel{background:var(--deep);color:#fff;border-radius:var(--radius);padding:29px}.hot-panel h3{font-size:24px}.rank-list{margin:20px 0 0;padding:0;list-style:none;counter-reset:rank}.rank-list li{counter-increment:rank;display:grid;grid-template-columns:30px 1fr;gap:9px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14px;line-height:1.55}.rank-list li:before{content:"0" counter(rank);color:var(--lime);font-weight:900}.rank-list li:last-child{border:0}.category-mini{margin-top:26px;display:flex;flex-wrap:wrap;gap:8px}.category-mini a{background:#1d3c31;color:#e5eee8;border:1px solid #315447;padding:7px 10px;border-radius:8px;font-size:12px;transition:var(--ease)}.category-mini a:hover{background:var(--lime);color:var(--deep)}
.topic-bar{padding:20px 0;background:#dfece0;border-block:1px solid #cfdfd0}.topic-bar .container{display:flex;align-items:center;gap:18px}.topic-label{font-weight:900;white-space:nowrap}.chip-row{display:flex;gap:9px;overflow:auto;padding-bottom:2px}.chip-row a{white-space:nowrap;background:#fff;border:1px solid #c6d9c9;color:var(--green2);border-radius:99px;padding:7px 13px;font-size:13px;font-weight:700;transition:var(--ease)}.chip-row a:hover{background:var(--green);color:#fff}
.product-intro{display:grid;grid-template-columns:.94fr 1.06fr;gap:58px;align-items:center}.image-stage{position:relative}.image-stage img{height:420px;width:100%;border-radius:var(--radius)}.note-bubble{position:absolute;right:-12px;bottom:24px;background:#fff;border-left:4px solid var(--lime);padding:14px 17px;border-radius:9px;box-shadow:var(--shadow);font-size:13px;font-weight:700}.intro-copy p{margin-bottom:16px}.feature-lines{margin:23px 0;display:grid;gap:11px}.feature-line{display:flex;gap:13px;align-items:flex-start}.feature-line i{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#ddefdc;color:var(--green);font-style:normal;font-size:13px;font-weight:900}.verify-box{padding:16px 18px;border-radius:12px;background:var(--mist);border:1px solid var(--line);font-size:13px;color:#456056}.verify-box b{color:var(--ink)}
.matrix-head{display:flex;justify-content:space-between;gap:30px;align-items:end}.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:33px}.ability-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:var(--ease);min-height:222px;position:relative;overflow:hidden}.ability-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow)}.ability-card .num{font-size:12px;color:var(--green);font-weight:900}.ability-icon{width:42px;height:42px;margin:13px 0;border-radius:12px;background:#e1efdf;color:var(--green);display:grid;place-items:center;font-size:21px}.ability-card ul{padding:0;margin:10px 0 0;list-style:none;font-size:13px;color:var(--muted)}.ability-card li{padding:2px 0}.micro-chart{position:absolute;right:19px;bottom:18px;color:var(--lime);font-size:24px;letter-spacing:-6px;transform:rotate(-10deg)}
.data-zone{background:#f3f7f2}.data-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}.advantage-list{margin-top:24px}.advantage{padding:15px 0;border-bottom:1px solid #d9e4da;display:grid;grid-template-columns:31px 1fr;gap:12px}.advantage b{color:var(--green);font-size:13px}.advantage span{font-size:14px;color:var(--muted)}.dashboard{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow)}.dash-top{display:flex;justify-content:space-between;align-items:center;font-size:13px}.dash-grid{display:grid;grid-template-columns:150px 1fr;gap:25px;align-items:center;margin-top:20px}.ring{width:135px;height:135px;border-radius:50%;background:conic-gradient(var(--green) 0 68%,#e4ede4 68% 100%);display:grid;place-items:center;position:relative}.ring:after{content:"";width:103px;height:103px;background:#fff;border-radius:50%;position:absolute}.ring b{z-index:1;font-size:24px}.metric{margin:12px 0}.metric-label{display:flex;justify-content:space-between;font-size:12px;margin-bottom:5px;color:var(--muted)}.metric-bar{height:8px;background:#edf2ed;border-radius:9px;overflow:hidden}.metric-bar i{display:block;height:100%;background:var(--green);border-radius:9px}.timeline-mini{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:5px}.timeline-mini span{font-size:11px;color:var(--muted);text-align:center}.timeline-mini i{display:block;width:9px;height:9px;border-radius:50%;background:var(--lime);margin:0 auto 5px}
.products-grid{display:grid;grid-template-columns:1.2fr .8fr;grid-template-rows:1fr 1fr;gap:17px;margin-top:30px}.product-card{position:relative;overflow:hidden;border-radius:17px;color:#fff;min-height:220px;background:var(--deep)}.product-card:first-child{grid-row:span 2;min-height:455px}.product-card img{width:100%;height:100%;position:absolute;inset:0;opacity:.65;transition:transform .5s}.product-card:hover img{transform:scale(1.05)}.product-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,24,18,.92),rgba(5,24,18,.1))}.product-content{position:absolute;z-index:1;left:24px;right:24px;bottom:20px}.product-content h3{margin:8px 0;font-size:24px}.product-card:not(:first-child) h3{font-size:18px}.fields{display:flex;flex-wrap:wrap;gap:7px}.fields span{font-size:11px;padding:3px 7px;border-radius:6px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.24)}.product-content .btn{margin-top:13px;min-height:38px;padding:7px 12px;font-size:13px}
.path{padding-bottom:105px}.path-track{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:35px;position:relative}.path-track:before{content:"";position:absolute;top:28px;left:8%;right:8%;height:2px;background:#bdd5c1}.path-step{position:relative;padding:0 16px}.path-step b{width:57px;height:57px;position:relative;z-index:1;background:var(--green);border:5px solid var(--paper);border-radius:50%;color:#fff;display:grid;place-items:center;font-size:14px}.path-step h3{font-size:17px;margin:14px 0 6px}.path-step p{font-size:13px;line-height:1.65}.io{font-size:11px;color:var(--green);font-weight:700;margin-top:8px}
.case-dark{background:var(--deep);color:#fff;overflow:hidden}.case-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:57px;align-items:center}.case-dark .eyebrow{color:var(--lime)}.case-dark h2{font-size:clamp(33px,4vw,52px)}.case-dark p{color:#afc2b7}.filter-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}.filter-tags span{border:1px solid #476356;padding:6px 11px;border-radius:99px;font-size:12px}.filter-tags span:first-child{border-color:var(--lime);color:var(--lime)}.case-image{position:relative}.case-image img{width:100%;height:380px;border-radius:17px;opacity:.78}.case-overlay{position:absolute;left:19px;bottom:17px;right:19px;padding:17px;background:#18372c;border-left:3px solid var(--coral)}.case-overlay b{display:block}.case-overlay small{color:#b9cfc1}.case-nodes{display:flex;gap:8px;margin-top:14px}.case-nodes span{font-size:12px;color:#d6e3da;border-top:2px solid var(--lime);padding-top:7px;flex:1}
.stories-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:22px;align-items:center}.portrait img{height:455px;width:100%;border-radius:17px}.stories{display:grid;gap:16px}.story-card{padding:21px;background:#fff;border:1px solid var(--line);border-radius:15px;transition:var(--ease)}.story-card:nth-child(2){margin-left:38px}.story-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.story-card h3{font-size:18px}.story-card p{font-size:14px}.story-fields{display:flex;gap:16px;margin-top:10px;font-size:12px;color:var(--green);font-weight:700}
.stats{background:var(--green);color:#fff;padding:40px 0}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:5px 28px;border-right:1px solid rgba(255,255,255,.26)}.stat:last-child{border:0}.stat strong{display:block;font-size:43px;line-height:1;font-variant-numeric:tabular-nums;color:var(--lime);letter-spacing:-.05em}.stat span{font-size:13px;color:#d1e3d7}
.reviews{background:#f6f8f4}.review-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;margin-top:31px}.review{background:#fff;border:1px solid var(--line);border-radius:17px;padding:25px;transition:var(--ease)}.review:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.review.featured{background:#e5f0e4}.review-top{display:flex;justify-content:space-between;align-items:center}.avatar{width:40px;height:40px;border-radius:50%;background:var(--green);color:var(--lime);display:grid;place-items:center;font-size:13px;font-weight:900}.stars{color:#e9a638;letter-spacing:2px;font-size:14px}.review blockquote{margin:17px 0 12px;font-size:16px;line-height:1.75;color:#354b40}.review small{color:var(--muted)}
.news-area{display:grid;grid-template-columns:1.03fr .97fr;gap:35px;margin-top:30px}.news-feature{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.news-feature img{width:100%;height:245px}.news-feature div{padding:21px}.news-feature h3{font-size:22px;margin:9px 0}.compact-list{display:grid;gap:0}.compact-item{padding:15px 0;border-bottom:1px solid var(--line)}.compact-item:last-child{border:0}.compact-item h3{font-size:16px;margin:6px 0}.compact-item p{font-size:13px;line-height:1.65}
.faq{background:var(--mist)}.faq-list{max-width:900px;margin:29px auto 0}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:11px;overflow:hidden}.faq-q{min-height:58px;width:100%;padding:14px 19px;background:#fff;display:flex;justify-content:space-between;align-items:center;text-align:left;color:var(--ink);font-weight:800}.faq-q i{font-style:normal;font-size:22px;color:var(--green);transition:transform .25s}.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}.faq-a p{padding:0 19px 18px;font-size:14px;line-height:1.8}.faq-item.open .faq-a{max-height:190px}.faq-item.open .faq-q i{transform:rotate(45deg)}
.assurance{padding:45px 0;background:#e2eee3}.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.assure{display:flex;gap:12px;align-items:flex-start}.assure i{width:38px;height:38px;flex:0 0 auto;background:#fff;border-radius:10px;color:var(--green);display:grid;place-items:center;font-style:normal;font-size:18px}.assure b{display:block;font-size:15px}.assure span{font-size:12px;color:var(--muted);line-height:1.55}
.partner-grid{display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:center}.scene-tags{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0}.scene-tags a{padding:9px 12px;border-radius:8px;background:var(--mist);border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--green2);transition:var(--ease)}.scene-tags a:hover{background:var(--green);color:#fff}.logos{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.logos div{height:57px;border:1px solid var(--line);display:grid;place-items:center;color:#82928a;font-weight:800;font-size:13px;background:#fbfcfa}.collage{display:grid;grid-template-columns:1fr 1fr;gap:12px}.collage img{height:155px;width:100%;border-radius:13px}.collage img:first-child{grid-row:span 2;height:322px}
.cta{padding:85px 0;background:linear-gradient(105deg,#eef6ea 0%,#fffdf8 68%)}.cta-wrap{display:grid;grid-template-columns:1fr .8fr;gap:45px;align-items:center}.cta h2{font-size:clamp(30px,3.4vw,46px)}.form-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px;box-shadow:var(--shadow)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:11px}.field{margin-bottom:11px}.field label{display:block;font-size:12px;font-weight:800;margin-bottom:5px}.field input,.field select{width:100%;height:43px;border:1px solid #cddcd0;border-radius:8px;background:#fff;padding:0 11px;color:var(--ink)}.field input:focus,.field select:focus{border-color:var(--green);outline:2px solid rgba(18,103,78,.13)}.privacy{font-size:11px;color:var(--muted);line-height:1.6;margin-top:10px}.form-feedback{display:none;margin-top:10px;padding:9px;border-radius:7px;background:#e3f1e1;color:var(--green2);font-size:13px;font-weight:700}
.footer{background:var(--deep);color:#d6e4da;padding:62px 0 20px}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .9fr 1fr;gap:33px}.footer .logo{color:#fff}.footer p{color:#a8beb0;font-size:13px;margin-top:13px}.footer h3{font-size:15px;color:#fff;margin-bottom:13px}.footer-links{display:grid;gap:7px}.footer-links a,.footer-contact div{font-size:13px;color:#b5c9bc}.footer-links a:hover{color:var(--lime)}.footer-contact{display:grid;gap:7px}.trust{font-size:12px;color:#a8beb0;line-height:1.8}.copyright{border-top:1px solid #29483b;margin-top:36px;padding-top:17px;font-size:12px;color:#91a99b;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.float-contact{position:fixed;right:19px;bottom:19px;z-index:30;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--coral);color:#fff;box-shadow:0 10px 23px rgba(205,83,51,.35);font-size:19px;transition:var(--ease)}.float-contact:hover{transform:translateY(-3px);background:#d75d40}
@media(max-width:1100px){.nav-links{gap:13px;font-size:13px}.hero-grid,.product-intro{gap:32px}.matrix{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.nav-links{position:absolute;top:74px;left:0;right:0;background:#fffdf8;border-bottom:1px solid var(--line);box-shadow:0 14px 25px rgba(15,40,30,.08);padding:10px 24px 20px;display:none;flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{padding:11px 0}.nav-links a:after{bottom:6px}.menu-btn{display:block}.nav-cta{display:none}.hero-grid,.split-layout,.product-intro,.data-grid,.case-layout,.partner-grid,.cta-wrap{grid-template-columns:1fr}.hero{padding-top:43px}.paper-wrap{min-height:380px;max-width:570px;width:100%;margin:auto}.split-layout{gap:30px}.stories-layout{grid-template-columns:.82fr 1.18fr}.footer-grid{grid-template-columns:1fr 1fr}.case-layout{gap:25px}.matrix-head{display:block}}
@media(max-width:700px){.section{padding:62px 0}.container{width:min(calc(100% - 32px),var(--container))}.top-contact{display:none}.topbar .container{justify-content:center}.hero-copy h1{font-size:38px}.paper-cover{right:0;width:92%;height:340px}.toc-card{width:235px}.story-row{grid-template-columns:120px 1fr;gap:13px}.story-row img{width:120px;height:105px}.story-row h3{font-size:16px}.story-row p{display:none}.matrix{grid-template-columns:1fr}.dash-grid{grid-template-columns:115px 1fr;gap:16px}.ring{width:110px;height:110px}.ring:after{width:84px;height:84px}.products-grid{grid-template-columns:1fr;grid-template-rows:auto}.product-card:first-child{grid-row:auto;min-height:330px}.product-card{min-height:220px}.path-track{grid-template-columns:1fr;gap:0;margin-left:15px}.path-track:before{top:28px;bottom:28px;left:28px;right:auto;width:2px;height:auto}.path-step{padding:0 0 23px 64px}.path-step b{position:absolute;left:0;top:0}.stories-layout{grid-template-columns:1fr}.portrait img{height:300px}.story-card:nth-child(2){margin-left:0}.stat-grid{grid-template-columns:1fr 1fr}.stat{padding:17px 14px;border-bottom:1px solid rgba(255,255,255,.22)}.stat:nth-child(2){border-right:0}.review-grid,.news-area{grid-template-columns:1fr}.assure-grid{grid-template-columns:1fr 1fr}.collage{margin-top:5px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}}
@media(max-width:420px){body{font-size:15px}.hero-actions .btn{width:100%}.paper-wrap{min-height:350px}.paper-cover{height:300px}.cover-content{padding:27px}.cover-content strong{font-size:28px}.toc-card{bottom:-5px;width:215px;padding:14px}.story-row{grid-template-columns:1fr}.story-row img{width:100%;height:160px}.topic-bar .container{display:block}.topic-label{margin-bottom:9px}.form-row{grid-template-columns:1fr}.assure-grid{grid-template-columns:1fr}.stats{padding:26px 0}.stat strong{font-size:34px}.case-image img{height:275px}.hero-slider{font-size:11px}.progress{width:80px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
--ink:#14251f;--deep:#10231d;--green:#12674e;--green2:#0d4f3c;--lime:#b6e62e;--coral:#ed7655;
--paper:#fffdf8;--mist:#f1f6f0;--line:#dbe7de;--muted:#62736c;--white:#fff;
--shadow:0 14px 34px rgba(17,47,37,.09);--shadow-lg:0 22px 52px rgba(10,37,28,.16);
--radius:18px;--container:1200px;--ease:all .25s ease;
}
*{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;line-height:1.8;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(182,230,46,.82);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:88px 0;position:relative}
.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:20px;height:2px;background:var(--lime)}
.section-title{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.04em;margin:12px 0 15px}
.lead{max-width:720px;color:var(--muted);font-size:16px;line-height:1.88;margin:0}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:10px;font-weight:800;transition:var(--ease)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green2);transform:translateY(-2px);box-shadow:0 9px 17px rgba(18,103,78,.24)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#d85f41;transform:translateY(-2px);box-shadow:0 9px 18px rgba(237,118,85,.23)}
.btn-outline{color:var(--green);border:1px solid #b8d1c2;background:#fff}
.btn-outline:hover{background:var(--mist);border-color:var(--green);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border:1px solid #cfe0d4;border-radius:99px;color:var(--green2);font-size:12px;font-weight:700;background:#fff}
.topbar{background:var(--deep);color:#d7e4db;font-size:13px}
.topbar .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:16px}
.topbar span{white-space:nowrap}
.site-header{z-index:50;position:sticky;top:0;background:rgba(255,253,248,.97);border-bottom:1px solid transparent;transition:var(--ease)}
.site-header.scrolled{box-shadow:0 7px 24px rgba(11,42,31,.09);border-color:var(--line)}
.main-nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
.logo-mark{width:33px;height:33px;border-radius:10px;background:var(--green);position:relative;flex:0 0 33px}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;border:2px solid var(--lime)}
.logo-mark:before{width:12px;height:12px;left:8px;top:4px}
.logo-mark:after{width:18px;height:8px;left:6px;bottom:5px;border-top:0;border-radius:0 0 20px 20px}
.nav-links{display:flex;align-items:center;gap:21px;font-size:14px;font-weight:700}
.nav-links a{padding:24px 0;position:relative;color:#375046;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--green);transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-cta{white-space:nowrap}
.menu-btn{display:none;width:44px;height:44px;background:transparent;color:var(--green);font-size:23px}
.category-head{padding:68px 0 58px;background:linear-gradient(120deg,#edf6ee 0%,#fffdf8 58%,#e4f0e7 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.category-head:after{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(18,103,78,.13);border-radius:50%;right:-120px;top:-185px;box-shadow:0 0 0 38px rgba(182,230,46,.08),0 0 0 76px rgba(18,103,78,.04)}
.breadcrumb{font-size:13px;color:var(--muted);display:flex;gap:9px;align-items:center;margin-bottom:17px}
.breadcrumb b{color:var(--green)}
.category-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:48px;align-items:end;position:relative;z-index:1}
.category-head h1{font-size:clamp(36px,4.6vw,58px);line-height:1.13;letter-spacing:-.055em;margin:0 0 17px}
.category-head p{max-width:730px;margin:0;color:#40594e;font-size:17px}
.head-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;padding-bottom:8px}
.head-tags .tag{background:rgba(255,255,255,.8)}
.insight-strip{margin-top:-1px;background:var(--deep);color:#dce9df}
.insight-strip .container{display:grid;grid-template-columns:1.2fr repeat(3,1fr);align-items:stretch}
.insight-title{padding:23px 27px 23px 0;font-size:15px;font-weight:800}
.insight-title span{display:block;color:var(--lime);font-size:12px;letter-spacing:.08em;margin-bottom:4px}
.insight-item{padding:20px 22px;border-left:1px solid rgba(255,255,255,.12)}
.insight-item b{display:block;color:#fff;font-size:15px}
.insight-item small{font-size:12px;color:#aabfb2}
.editorial{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);gap:42px;align-items:start}
.feature-story{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.feature-story img{height:315px;width:100%}
.feature-story-body{padding:28px}
.meta{font-size:12px;color:#718179;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.feature-story h2{font-size:28px;line-height:1.38;letter-spacing:-.035em;margin:12px 0}
.feature-story p{margin:0;color:var(--muted)}
.story-list{border-top:1px solid var(--line)}
.story-item{display:grid;grid-template-columns:112px 1fr;gap:17px;padding:19px 0;border-bottom:1px solid var(--line)}
.story-item img{width:112px;height:88px;border-radius:12px}
.story-item h3{font-size:17px;line-height:1.45;margin:7px 0 5px}
.story-item p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}
.more-wrap{margin-top:24px}
.hidden-stories{display:none}
.hidden-stories.open{display:block}
.path-section{background:var(--mist)}
.path-layout{display:grid;grid-template-columns:290px 1fr;gap:65px;align-items:start}
.path-copy{position:sticky;top:120px}
.path-copy p{color:var(--muted)}
.path-track{position:relative;display:grid;gap:0}
.path-track:before{content:"";position:absolute;left:21px;top:25px;bottom:25px;width:1px;background:#b7d2bf}
.path-step{display:grid;grid-template-columns:44px 1fr;gap:18px;position:relative;padding:0 0 28px}
.path-step:last-child{padding-bottom:0}
.step-no{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:var(--green);color:#fff;font-weight:900;z-index:1;box-shadow:0 0 0 7px var(--mist)}
.step-content{background:#fff;padding:18px 21px;border:1px solid var(--line);border-radius:14px}
.step-content h3{font-size:17px;margin:0 0 4px}
.step-content p{font-size:14px;color:var(--muted);margin:0}
.step-output{display:inline-flex;margin-top:9px;color:var(--green);font-size:12px;font-weight:800}
.data-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:58px;align-items:center}
.data-note{border-left:3px solid var(--lime);padding:13px 0 13px 18px;margin:25px 0;color:var(--muted);font-size:14px}
.metric-list{display:grid;gap:14px}
.metric-row{display:grid;grid-template-columns:100px 1fr 42px;gap:13px;align-items:center;font-size:13px;font-weight:700}
.meter{height:8px;background:#e3ece5;border-radius:20px;overflow:hidden}
.meter i{display:block;height:100%;border-radius:20px;background:var(--green)}
.metric-row b{font-variant-numeric:tabular-nums;color:var(--green)}
.chart-panel{padding:28px;background:var(--deep);border-radius:var(--radius);color:#edf4ef;box-shadow:var(--shadow-lg)}
.chart-top{display:flex;justify-content:space-between;align-items:start;gap:20px;margin-bottom:28px}
.chart-top h3{margin:0;font-size:19px}
.chart-top small{color:#a4bbb0}
.line-chart{height:220px;display:flex;align-items:flex-end;gap:10px;padding:19px 6px 3px;border-bottom:1px solid rgba(255,255,255,.25);background:repeating-linear-gradient(to bottom,transparent 0,transparent 53px,rgba(255,255,255,.08) 54px)}
.chart-bar{flex:1;min-width:14px;background:linear-gradient(to top,var(--green),var(--lime));border-radius:5px 5px 0 0;position:relative}
.chart-bar span{position:absolute;bottom:-28px;left:50%;transform:translateX(-50%);color:#aabfb2;font-size:11px}
.chart-legend{display:flex;justify-content:space-between;padding-top:30px;font-size:12px;color:#b9cbc0}
.scene-section{overflow:hidden}
.scene-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
.scene-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.scene-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-template-rows:185px 185px;gap:16px}
.scene-card{position:relative;overflow:hidden;border-radius:16px;background:var(--deep)}
.scene-card:first-child{grid-row:span 2}
.scene-card img{width:100%;height:100%;opacity:.78;transition:transform .45s ease}
.scene-card:hover img{transform:scale(1.06)}
.scene-card span{position:absolute;left:17px;bottom:14px;color:#fff;font-weight:800;font-size:15px;text-shadow:0 1px 8px rgba(0,0,0,.45)}
.faq-section{background:var(--mist)}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:72px;align-items:start}
.faq-copy p{color:var(--muted)}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-question{width:100%;min-height:62px;padding:16px 20px;background:#fff;color:var(--ink);font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:space-between;text-align:left}
.faq-question:after{content:"+";font-size:25px;color:var(--green);font-weight:400;transition:transform .25s ease}
.faq-question[aria-expanded="true"]:after{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer p{margin:0;padding:0 20px 20px;color:var(--muted);font-size:14px;line-height:1.8}
.faq-item.open .faq-answer{max-height:220px}
.consult{padding:76px 0;background:var(--paper)}
.consult-box{background:var(--green);border-radius:var(--radius);padding:43px 48px;display:grid;grid-template-columns:1fr .95fr;gap:43px;align-items:center;color:#fff;overflow:hidden;position:relative}
.consult-box:after{content:"";position:absolute;width:280px;height:280px;border:35px solid rgba(182,230,46,.12);border-radius:50%;right:-120px;bottom:-185px}
.consult-copy{position:relative;z-index:1}
.consult-copy .eyebrow{color:var(--lime)}
.consult-copy h2{font-size:32px;line-height:1.3;margin:11px 0}
.consult-copy p{color:#d5e5da;margin:0}
.contact-line{margin-top:19px;color:#fff;font-weight:800}
.consult-form{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.consult-form input,.consult-form select{height:46px;border:1px solid rgba(255,255,255,.35);border-radius:9px;padding:0 13px;background:#fff;color:var(--ink);width:100%}
.consult-form button{grid-column:span 2}
.form-message{grid-column:span 2;font-size:13px;min-height:20px;color:#e5f1e7}
.footer{background:var(--deep);color:#d4e1d8;padding:63px 0 0}
.footer-grid{display:grid;grid-template-columns:1.25fr .9fr 1fr 1fr;gap:45px}
.footer .logo{color:#fff;margin-bottom:16px}
.footer p{color:#aebfb4;font-size:14px;line-height:1.8;margin:0}
.footer h3{font-size:15px;color:#fff;margin:3px 0 14px}
.footer-links{display:grid;gap:7px}
.footer-links a{font-size:14px;color:#b9cbc0;transition:var(--ease)}
.footer-links a:hover{color:var(--lime);padding-left:3px}
.footer-contact,.trust{font-size:14px;line-height:2;color:#b9cbc0}
.copyright{margin-top:45px;padding:19px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;color:#91a99b;font-size:12px}
@media(max-width:1200px){
.nav-links{gap:14px;font-size:13px}.main-nav{gap:16px}.nav-cta{padding:10px 14px}.category-grid{gap:30px}.footer-grid{gap:28px}
}
@media(max-width:992px){
.nav-links{position:absolute;top:74px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:13px 24px 22px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(12,39,29,.12)}
.nav-links.open{display:flex}.nav-links a{padding:12px 0}.nav-links a:after{bottom:7px}.menu-btn{display:block}.main-nav{min-height:68px}.nav-cta{margin-left:auto}.category-grid,.editorial,.data-layout,.faq-layout{grid-template-columns:1fr}.head-tags{justify-content:flex-start}.insight-strip .container{grid-template-columns:1fr 1fr}.insight-title{grid-column:span 2;padding:18px 0 6px}.insight-item:first-of-type{border-left:0}.path-layout{grid-template-columns:1fr;gap:30px}.path-copy{position:static}.consult-box{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.scene-grid{grid-template-columns:1.15fr .85fr;grid-template-rows:170px 170px}.scene-card:nth-child(4){display:none}
}
@media(max-width:768px){
.container{width:min(calc(100% - 36px),var(--container))}.section{padding:62px 0}.topbar-right{display:none}.category-head{padding:48px 0}.category-head p{font-size:16px}.insight-strip .container{display:grid}.insight-item{padding:15px 14px}.feature-story img{height:250px}.feature-story-body{padding:23px}.feature-story h2{font-size:23px}.scene-head{display:block}.scene-tags{justify-content:flex-start;margin-top:15px}.consult-box{padding:32px 26px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{flex-direction:column}
}
@media(max-width:576px){
body{font-size:15px}.container{width:min(calc(100% - 30px),var(--container))}.topbar .container{justify-content:center;font-size:12px}.topbar-left span:last-child{display:none}.logo{font-size:18px}.nav-cta{display:none}.category-head h1{font-size:36px}.category-head{padding:38px 0}.head-tags{margin-top:20px}.insight-strip .container{grid-template-columns:1fr}.insight-title{grid-column:auto;padding-bottom:10px}.insight-item,.insight-item:first-of-type{border-left:0;border-top:1px solid rgba(255,255,255,.12)}.story-item{grid-template-columns:88px 1fr;gap:12px}.story-item img{width:88px;height:76px}.story-item h3{font-size:15px}.story-item p{display:none}.feature-story-body{padding:20px}.path-step{grid-template-columns:38px 1fr;gap:12px}.step-no{width:38px;height:38px;font-size:13px}.path-track:before{left:18px}.step-content{padding:15px}.metric-row{grid-template-columns:78px 1fr 35px;gap:8px;font-size:12px}.chart-panel{padding:21px 16px}.line-chart{height:180px;gap:7px}.scene-grid{grid-template-columns:1fr 1fr;grid-template-rows:150px 150px}.scene-card:first-child{grid-column:span 2;grid-row:auto}.scene-card:nth-child(4){display:block}.faq-question{padding:15px 16px;font-size:15px}.faq-answer p{padding:0 16px 17px}.consult{padding:52px 0}.consult-box{padding:28px 20px}.consult-copy h2{font-size:27px}.consult-form{grid-template-columns:1fr}.consult-form button,.form-message{grid-column:auto}.footer-grid{grid-template-columns:1fr;gap:26px}.footer{padding-top:48px}
}
@media(max-width:375px){
.container{width:calc(100% - 24px)}.logo{font-size:17px}.logo-mark{width:30px;height:30px}.category-head h1{font-size:32px}.section-title{font-size:27px}.feature-story h2{font-size:21px}.scene-grid{gap:10px}.consult-box{padding:24px 16px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* roulang page: category1 */
:root{
--ink:#14251f;--deep:#10231d;--green:#12674e;--green2:#0d4f3c;--lime:#b6e62e;--coral:#ed7655;
--paper:#fffdf8;--mist:#f1f6f0;--line:#dbe7de;--muted:#62736c;--white:#fff;
--shadow:0 14px 34px rgba(17,47,37,.09);--shadow-lg:0 22px 52px rgba(10,37,28,.16);
--radius:18px;--container:1200px;--ease:all .25s ease;
}
*{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}
img{display:block;max-width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(182,230,46,.82);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:92px 0;position:relative}
.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:20px;height:2px;background:var(--lime)}
.section-title{font-size:clamp(27px,3.3vw,42px);letter-spacing:-.045em;line-height:1.2;margin:13px 0 16px}
.lead{max-width:730px;color:var(--muted);font-size:16px;line-height:1.9;margin:0}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:10px;font-weight:800;transition:var(--ease)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green2);transform:translateY(-2px);box-shadow:0 9px 17px rgba(18,103,78,.24)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#d85f41;transform:translateY(-2px);box-shadow:0 9px 17px rgba(216,95,65,.22)}
.btn-outline{color:var(--green);border:1px solid #b8d1c2;background:#fff}
.btn-outline:hover{background:var(--mist);border-color:var(--green);transform:translateY(-2px)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border:1px solid #cfe0d4;border-radius:99px;color:var(--green2);font-size:12px;font-weight:700;background:#fff}
.topbar{background:var(--deep);color:#d7e4db;font-size:13px}
.topbar .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px}
.status-dot{width:7px;height:7px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 4px rgba(182,230,46,.12)}
.site-header{z-index:50;position:sticky;top:0;background:rgba(255,253,248,.97);border-bottom:1px solid transparent;transition:var(--ease)}
.site-header.scrolled{box-shadow:0 7px 24px rgba(11,42,31,.09);border-color:var(--line)}
.main-nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
.logo-mark{width:33px;height:33px;border-radius:10px;background:var(--green);position:relative;flex:0 0 33px}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;border:2px solid var(--lime)}
.logo-mark:before{width:12px;height:12px;left:8px;top:4px}
.logo-mark:after{width:18px;height:8px;left:6px;bottom:5px;border-top:0;border-radius:0 0 20px 20px}
.nav-links{display:flex;align-items:center;gap:19px;font-size:13px;font-weight:700}
.nav-links a{padding:25px 0;position:relative;color:#375046;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--green);transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-cta{white-space:nowrap}
.menu-btn{display:none;width:44px;height:44px;background:transparent;color:var(--green);font-size:23px;border-radius:10px}
.menu-btn:hover{background:var(--mist)}
.page-head{padding:62px 0 65px;background:linear-gradient(115deg,#f3f8f0 0%,#fffdf8 62%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head:after{content:"";width:480px;height:480px;border:1px solid rgba(18,103,78,.12);border-radius:50%;position:absolute;right:-180px;top:-230px;box-shadow:0 0 0 38px rgba(182,230,46,.06),0 0 0 77px rgba(18,103,78,.035)}
.breadcrumb{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:9px;margin-bottom:22px}
.breadcrumb a{color:var(--green);font-weight:700}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:60px;align-items:end;position:relative;z-index:1}
.page-head h1{font-size:clamp(36px,5vw,58px);letter-spacing:-.065em;line-height:1.08;margin:14px 0 18px}
.page-head h1 span{color:var(--green)}
.head-tags{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end;padding-bottom:8px}
.head-tags .tag{background:rgba(255,255,255,.75)}
.insight-strip{background:var(--deep);color:#eff6ee;padding:0}
.insight-grid{min-height:114px;display:grid;grid-template-columns:1.1fr repeat(3,1fr);align-items:stretch}
.insight-intro{padding:24px 26px 23px 0;display:flex;flex-direction:column;justify-content:center}
.insight-intro strong{font-size:18px}
.insight-intro span{font-size:13px;color:#bfcfc5;margin-top:3px}
.metric-cell{padding:21px 20px;border-left:1px solid rgba(255,255,255,.13);display:flex;flex-direction:column;justify-content:center}
.metric-cell b{font-size:15px;color:var(--lime)}
.metric-cell span{font-size:13px;color:#c4d3cb;margin-top:4px}
.content-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:32px;align-items:start;margin-top:40px}
.featured-story{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.featured-story img{width:100%;height:302px}
.story-body{padding:28px}
.meta{display:flex;gap:10px;align-items:center;color:#708078;font-size:12px;flex-wrap:wrap}
.meta .tag{padding:2px 8px;font-size:11px}
.featured-story h3{font-size:27px;line-height:1.35;letter-spacing:-.03em;margin:14px 0 12px}
.featured-story p{margin:0;color:var(--muted);font-size:15px}
.read-state{display:inline-flex;margin-top:19px;font-size:14px;color:var(--green);font-weight:800;align-items:center;gap:7px}
.read-state:after{content:"→";font-size:18px;transition:var(--ease)}
.featured-story:hover .read-state:after{transform:translateX(4px)}
.list-stack{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:6px 23px}
.list-item{display:grid;grid-template-columns:82px 1fr;gap:15px;padding:20px 0;border-bottom:1px solid #e8eee9}
.list-item:last-child{border-bottom:0}
.list-item img{width:82px;height:76px;border-radius:11px}
.list-item h3{margin:7px 0 5px;font-size:16px;line-height:1.47}
.list-item p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.hidden-list{display:none}
.hidden-list.show{display:block}
.more-wrap{padding-top:17px;text-align:center}
.more-btn{background:transparent;color:var(--green);font-weight:800;padding:11px 16px;min-height:44px}
.more-btn:hover{color:var(--green2);text-decoration:underline}
.path-section{background:var(--mist)}
.path-head{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:end;margin-bottom:43px}
.path-track{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.path-track:before{content:"";position:absolute;height:2px;left:8%;right:8%;top:28px;background:linear-gradient(90deg,var(--green),var(--lime),var(--coral))}
.path-node{position:relative;padding-top:65px}
.node-number{position:absolute;top:0;width:57px;height:57px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--green);border:6px solid var(--mist);font-weight:900;z-index:1}
.path-node:nth-child(3) .node-number{background:var(--coral)}
.path-node b{font-size:17px;display:block;margin-bottom:7px}
.path-node p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}
.node-label{display:inline-flex;margin-top:12px;font-size:11px;color:var(--green2);font-weight:800;border-left:2px solid var(--lime);padding-left:7px}
.data-section{overflow:hidden}
.data-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:76px;align-items:center}
.data-note{padding:21px;border-left:4px solid var(--lime);background:var(--mist);margin-top:25px;font-size:14px;color:#52635b}
.chart-panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:28px;border-radius:var(--radius)}
.chart-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;font-size:14px;font-weight:800}
.chart-title small{font-weight:600;color:var(--muted)}
.chart-area{height:200px;position:relative;border-bottom:1px solid #cfdcd2;background:repeating-linear-gradient(to bottom,transparent 0,transparent 49px,#edf2ee 50px)}
.chart-area svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.chart-labels{display:flex;justify-content:space-between;color:#74837b;font-size:12px;margin-top:9px}
.data-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.mini-metric{background:var(--mist);padding:14px;border-radius:11px}
.mini-metric b{font-size:20px;color:var(--green)}
.mini-metric span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.scenes{background:#f7faf6}
.scene-top{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:34px}
.scene-collage{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:175px 175px;gap:14px}
.scene-card{border-radius:16px;overflow:hidden;position:relative;min-height:160px;background:var(--deep)}
.scene-card:first-child{grid-row:span 2}
.scene-card img{width:100%;height:100%;opacity:.76;transition:transform .5s ease}
.scene-card:hover img{transform:scale(1.06)}
.scene-card span{position:absolute;left:15px;bottom:13px;color:#fff;font-weight:800;font-size:15px;text-shadow:0 1px 9px rgba(0,0,0,.45)}
.scene-card:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(8,28,20,.75));pointer-events:none}
.scene-card span{z-index:1}
.scene-side{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;max-width:400px}
.scene-side .tag{padding:7px 12px}
.faq-layout{display:grid;grid-template-columns:.73fr 1.27fr;gap:72px;align-items:start}
.faq-copy{position:sticky;top:116px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;min-height:70px;padding:17px 45px 17px 0;text-align:left;background:transparent;color:var(--ink);font-weight:800;font-size:17px;line-height:1.5;position:relative}
.faq-question:after{content:"+";position:absolute;right:5px;top:50%;transform:translateY(-50%);color:var(--green);font-size:27px;font-weight:400;transition:var(--ease)}
.faq-question[aria-expanded="true"]:after{transform:translateY(-50%) rotate(45deg);color:var(--coral)}
.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-answer>div{overflow:hidden}
.faq-answer p{margin:0;padding:0 15px 20px 0;color:var(--muted);font-size:15px}
.faq-item.open .faq-answer{grid-template-rows:1fr}
.assurance{background:var(--mist);padding:40px 0}
.assurance-grid{display:grid;grid-template-columns:1.1fr repeat(3,1fr);gap:18px;align-items:center}
.assurance-title{font-size:19px;font-weight:900;line-height:1.45}
.assurance-point{display:flex;align-items:center;gap:12px;border-left:1px solid #cfdfd2;padding-left:18px;font-size:14px;font-weight:700}
.assurance-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#dcebdc;color:var(--green);font-size:18px;flex:0 0 36px}
.consult{padding:86px 0;background:linear-gradient(115deg,#e9f1e7,#fffdf8 61%)}
.consult-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:43px;box-shadow:var(--shadow)}
.contact-line{display:flex;align-items:center;gap:11px;margin-top:23px;font-size:15px;font-weight:800;color:var(--green)}
.contact-dot{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--deep);color:var(--lime)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:800;color:#40564c}
.field input,.field select{min-height:47px;border:1px solid #cbdcd0;border-radius:9px;background:#fff;padding:0 13px;color:var(--ink);transition:var(--ease)}
.field input:hover,.field select:hover{border-color:#91b19e}
.field input:focus,.field select:focus{border-color:var(--green);outline:0;box-shadow:0 0 0 3px rgba(18,103,78,.12)}
.form-help{font-size:12px;color:var(--muted);margin:12px 0 0}
.form-message{font-size:13px;font-weight:700;margin-top:12px;min-height:22px}
.form-message.success{color:var(--green)}
.form-message.error{color:#bd4f36}
.footer{background:var(--deep);color:#d5e0d9;padding:62px 0 0}
.footer .logo{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.25fr .85fr 1fr 1fr;gap:42px}
.footer p{font-size:14px;color:#aebfb5;line-height:1.8;max-width:300px}
.footer h3{font-size:15px;color:#fff;margin:2px 0 18px}
.footer-links{display:grid;gap:8px}
.footer-links a,.footer-contact,.trust{font-size:13px;color:#b2c2b8;line-height:1.9}
.footer-links a:hover{color:var(--lime)}
.copyright{margin-top:45px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;color:#91a69a;font-size:12px}
@media(max-width:1200px){
.nav-links{gap:13px;font-size:12px}.main-nav{gap:16px}.nav-cta{padding:10px 13px}
}
@media(max-width:992px){
.nav-links{position:absolute;top:74px;left:0;right:0;background:var(--paper);display:none;flex-direction:column;align-items:stretch;padding:12px 24px 22px;box-shadow:0 18px 24px rgba(14,43,31,.12);border-bottom:1px solid var(--line)}
.nav-links.open{display:flex}.nav-links a{padding:12px 0;font-size:15px}.nav-links a:after{bottom:7px}.menu-btn{display:block}.main-nav{position:relative}.nav-cta{margin-left:auto}
.page-head-grid,.data-grid,.faq-layout,.consult-box{grid-template-columns:1fr;gap:34px}.head-tags{justify-content:flex-start}.content-layout{grid-template-columns:1fr}.path-head{grid-template-columns:1fr;gap:15px}.faq-copy{position:static}.assurance-grid{grid-template-columns:1fr 1fr}.assurance-title{grid-column:1/-1}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.container{width:min(calc(100% - 36px),var(--container))}.section{padding:62px 0}.topbar-right{display:none}.page-head{padding:45px 0}.page-head h1{font-size:39px}.insight-grid{grid-template-columns:1fr 1fr}.insight-intro{grid-column:1/-1;padding:20px 0 12px}.metric-cell:nth-child(2){border-left:0}.path-track{grid-template-columns:1fr 1fr;gap:28px}.path-track:before{left:27px;right:auto;top:33px;bottom:34px;width:2px;height:auto;background:linear-gradient(var(--green),var(--lime),var(--coral))}.path-node{padding:0 0 0 76px;min-height:108px}.node-number{left:0;top:0}.scene-collage{grid-template-columns:1fr 1fr;grid-template-rows:160px 160px 160px}.scene-card:first-child{grid-column:1/-1;grid-row:auto}.scene-top{align-items:flex-start;flex-direction:column}.scene-side{justify-content:flex-start}.consult-box{padding:30px}.footer-grid{gap:30px}
}
@media(max-width:576px){
body{font-size:15px}.container{width:min(calc(100% - 28px),var(--container))}.topbar .container{min-height:36px}.topbar-left{font-size:12px}.logo{font-size:18px}.logo-mark{width:30px;height:30px;flex-basis:30px}.nav-cta{display:none}.main-nav{min-height:66px}.nav-links{top:66px;padding-left:14px;padding-right:14px}.page-head h1{font-size:34px}.lead{font-size:15px}.insight-grid{grid-template-columns:1fr}.metric-cell{border-left:0;border-top:1px solid rgba(255,255,255,.12);padding:15px 0}.content-layout{margin-top:28px}.featured-story img{height:220px}.story-body{padding:21px}.featured-story h3{font-size:22px}.list-stack{padding:5px 17px}.list-item{grid-template-columns:68px 1fr;gap:11px}.list-item img{width:68px;height:64px}.list-item h3{font-size:15px}.list-item p{display:none}.path-track{grid-template-columns:1fr}.data-mini-grid{grid-template-columns:1fr}.chart-panel{padding:19px}.scene-collage{grid-template-columns:1fr;grid-template-rows:180px 145px 145px}.scene-card:first-child{grid-column:auto}.faq-question{font-size:16px}.assurance-grid{grid-template-columns:1fr}.assurance-point{border-left:0;border-top:1px solid #cfdfd2;padding:14px 0 0}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.copyright{flex-direction:column;margin-top:32px}.consult{padding:60px 0}.section-title{font-size:29px}
}
@media(max-width:375px){
.container{width:calc(100% - 24px)}.page-head h1{font-size:31px}.btn{padding:10px 15px}.head-tags{gap:6px}.scene-side .tag{padding:6px 9px}.consult-box{padding:23px 18px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category3 */
:root{
--ink:#14251f;--deep:#10231d;--green:#12674e;--green2:#0d4f3c;--lime:#b6e62e;--coral:#ed7655;
--paper:#fffdf8;--mist:#f1f6f0;--line:#dbe7de;--muted:#62736c;--white:#fff;
--shadow:0 14px 34px rgba(17,47,37,.09);--shadow-lg:0 22px 52px rgba(10,37,28,.16);
--radius:18px;--container:1200px;--ease:all .25s ease;
}
*{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;line-height:1.8;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(182,230,46,.82);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:88px 0;position:relative}
.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:20px;height:2px;background:var(--lime)}
.section-title{font-size:clamp(28px,3.1vw,42px);line-height:1.28;letter-spacing:-.04em;margin:13px 0 15px}
.lead{max-width:720px;color:var(--muted);font-size:16px;line-height:1.9;margin:0}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:10px;font-weight:800;transition:var(--ease)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green2);transform:translateY(-2px);box-shadow:0 9px 17px rgba(18,103,78,.24)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#d85f41;transform:translateY(-2px)}
.btn-outline{color:var(--green);border:1px solid #b8d1c2;background:#fff}
.btn-outline:hover{background:var(--mist);border-color:var(--green)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border:1px solid #cfe0d4;border-radius:99px;color:var(--green2);font-size:12px;font-weight:700;background:#fff}
.topbar{background:var(--deep);color:#d7e4db;font-size:13px}
.topbar .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.topbar-info{display:flex;gap:18px;align-items:center}
.site-header{z-index:50;position:sticky;top:0;background:rgba(255,253,248,.97);border-bottom:1px solid transparent;transition:var(--ease)}
.site-header.scrolled{box-shadow:0 7px 24px rgba(11,42,31,.09);border-color:var(--line)}
.main-nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
.logo-mark{width:33px;height:33px;border-radius:10px;background:var(--green);position:relative;flex:none}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;border:2px solid var(--lime)}
.logo-mark:before{width:12px;height:12px;left:8px;top:4px}
.logo-mark:after{width:18px;height:8px;left:6px;bottom:5px;border-top:0;border-radius:0 0 20px 20px}
.nav-links{display:flex;align-items:center;gap:18px;font-size:13px;font-weight:700}
.nav-links a{padding:25px 0;position:relative;color:#375046;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--green);transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-cta{white-space:nowrap}
.menu-btn{display:none;width:44px;height:44px;background:transparent;color:var(--green);font-size:23px}
.page-head{padding:58px 0 46px;background:linear-gradient(105deg,#edf5ed 0%,#fffdf8 63%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(18,103,78,.13);border-radius:50%;right:-120px;top:-190px;box-shadow:0 0 0 38px rgba(182,230,46,.08),0 0 0 76px rgba(18,103,78,.04)}
.breadcrumb{position:relative;z-index:1;font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center;margin-bottom:18px}
.breadcrumb span{color:var(--green);font-weight:700}
.page-head-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:end}
.page-head h1{font-size:clamp(34px,4vw,54px);line-height:1.18;letter-spacing:-.055em;margin:13px 0 17px}
.page-head p{max-width:750px;color:#496057;margin:0;font-size:17px}
.head-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:23px}
.head-panel{background:var(--deep);color:#e6f0e8;border-radius:16px;padding:21px 23px;box-shadow:var(--shadow-lg)}
.head-panel b{color:var(--lime);font-size:13px;letter-spacing:.08em}
.head-panel strong{display:block;font-size:24px;line-height:1.3;margin:8px 0}
.head-panel p{color:#b7c9bd;font-size:14px;line-height:1.7}
.point-band{padding:20px 0;background:var(--green);color:#fff}
.point-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.point-item{padding:3px 24px;border-right:1px solid rgba(255,255,255,.22)}
.point-item:last-child{border-right:0}
.point-item small{display:block;color:#c7e2d4;font-size:12px}
.point-item b{display:block;font-size:16px;margin-top:3px}
.editorial{display:grid;grid-template-columns:1.03fr .97fr;gap:34px;align-items:start}
.feature-article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--ease)}
.feature-article:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow-lg)}
.feature-article img{width:100%;height:300px}
.article-copy{padding:27px}
.meta{display:flex;gap:10px;align-items:center;font-size:12px;color:#73827b;flex-wrap:wrap}
.article-copy h3{font-size:25px;line-height:1.38;margin:12px 0}
.article-copy p{color:var(--muted);margin:0}
.article-list{border-top:1px solid var(--line)}
.article-item{display:grid;grid-template-columns:118px 1fr;gap:18px;padding:0 0 19px;margin-bottom:19px;border-bottom:1px solid var(--line)}
.article-item img{width:118px;height:92px;border-radius:12px}
.article-item h3{font-size:18px;line-height:1.45;margin:7px 0 4px}
.article-item p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}
.more-list{display:none;margin-top:18px}
.more-list.open{display:block}
.more-control{margin-top:24px}
.path-section{background:var(--mist)}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:40px}
.path-step{position:relative;padding:0 28px 0 0}
.path-step:not(:last-child):after{content:"";position:absolute;left:32px;right:-8px;top:17px;height:2px;background:#bad4c1}
.path-num{position:relative;z-index:1;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff;font-weight:900;margin-bottom:18px}
.path-step h3{font-size:18px;margin:0 0 8px}
.path-step p{font-size:14px;color:var(--muted);margin:0}
.io{display:inline-block;margin-top:12px;padding:3px 8px;background:#fff;border-radius:6px;color:var(--green2);font-size:12px;font-weight:700}
.data-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:55px;align-items:center}
.data-note{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;margin-top:24px}
.data-note strong{color:var(--green)}
.chart-card{background:var(--deep);border-radius:var(--radius);padding:28px;color:#e8f0eb;box-shadow:var(--shadow-lg)}
.chart-top{display:flex;justify-content:space-between;align-items:center;font-size:13px}
.chart-top b{color:var(--lime)}
.chart-area{height:230px;margin:26px 0 18px;position:relative;border-left:1px solid rgba(255,255,255,.2);border-bottom:1px solid rgba(255,255,255,.2);background:repeating-linear-gradient(to bottom,transparent 0,transparent 46px,rgba(255,255,255,.09) 47px)}
.chart-line{position:absolute;inset:24px 11px 20px 12px}
.chart-line svg{width:100%;height:100%;overflow:visible}
.chart-legend{display:flex;gap:18px;color:#b8cabe;font-size:12px}
.legend-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px;background:var(--lime)}
.legend-dot.coral{background:var(--coral)}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.metric{padding:12px;border-radius:10px;background:#1c372d}
.metric small{display:block;color:#aabdb0;font-size:11px}
.metric b{font-size:18px;color:#fff}
.scenes{background:#fff}
.scene-strip{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:16px;margin-top:35px}
.scene-card{height:265px;position:relative;border-radius:16px;overflow:hidden;background:var(--deep)}
.scene-card img{width:100%;height:100%;transition:transform .45s ease}
.scene-card:hover img{transform:scale(1.05)}
.scene-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,29,22,.8),rgba(9,29,22,.05) 65%)}
.scene-label{position:absolute;z-index:1;left:20px;bottom:17px;color:#fff}
.scene-label b{display:block;font-size:19px}
.scene-label span{font-size:13px;color:#d5e0d8}
.faq-wrap{max-width:900px;margin:35px auto 0}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:12px;overflow:hidden;transition:var(--ease)}
.faq-item:has(button[aria-expanded="true"]){border-color:#9fc6aa;box-shadow:0 8px 20px rgba(18,103,78,.07)}
.faq-question{width:100%;min-height:62px;background:#fff;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:20px;padding:15px 20px;text-align:left;font-weight:800}
.faq-question span:last-child{font-size:24px;color:var(--green);transition:transform .25s ease}
.faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg)}
.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.faq-answer>div{overflow:hidden}
.faq-question[aria-expanded="true"]+.faq-answer{grid-template-rows:1fr}
.faq-answer p{padding:0 20px 19px;margin:0;color:var(--muted);font-size:15px}
.consult{background:#e8f1e9;padding:78px 0}
.consult-grid{display:grid;grid-template-columns:1fr .94fr;gap:52px;align-items:center}
.consult h2{font-size:clamp(29px,3vw,42px);line-height:1.3;margin:13px 0}
.consult p{color:var(--muted)}
.consult-list{padding:0;margin:22px 0 0;list-style:none}
.consult-list li{padding:8px 0;border-bottom:1px solid #cbded0;font-size:14px}
.consult-list li:before{content:"✓";color:var(--green);font-weight:900;margin-right:10px}
.form-card{background:#fff;border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:800}
.field input,.field select{width:100%;height:46px;border:1px solid #c7d9ca;border-radius:9px;padding:0 12px;background:#fff;color:var(--ink);transition:var(--ease)}
.field input:focus,.field select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(18,103,78,.1);outline:0}
.form-card .btn{width:100%;margin-top:16px}
.form-tip,.form-message{font-size:12px;color:var(--muted);margin:12px 0 0}
.form-message{display:none;color:var(--green);font-weight:800}
.footer{background:var(--deep);color:#d9e5dc;padding:62px 0 0}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:40px}
.footer .logo{color:#fff}
.footer p{color:#aebfb3;font-size:14px;line-height:1.8;margin:17px 0 0}
.footer h3{font-size:15px;color:#fff;margin:4px 0 16px}
.footer-links{display:grid;gap:9px}
.footer-links a,.footer-contact div,.trust{font-size:13px;color:#b5c7ba}
.footer-links a:hover{color:var(--lime)}
.footer-contact{display:grid;gap:8px}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:18px;color:#9eb3a4;font-size:12px}
@media(max-width:1200px){.nav-links{gap:13px;font-size:12px}.main-nav{gap:16px}.nav-cta{padding:10px 13px}}
@media(max-width:992px){.nav-links{position:absolute;top:100%;left:0;right:0;background:var(--paper);display:none;padding:14px 24px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);max-height:calc(100vh - 100px);overflow:auto}.nav-links.open{display:grid}.nav-links a{padding:11px 0;font-size:15px}.nav-links a:after{bottom:7px}.menu-btn{display:block}.page-head-grid,.data-layout,.consult-grid{grid-template-columns:1fr}.head-panel{max-width:500px}.point-grid{grid-template-columns:repeat(2,1fr)}.point-item:nth-child(2){border-right:0}.point-item:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.22);padding-bottom:12px;margin-bottom:12px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.section{padding:60px 0}.topbar .container{justify-content:center}.topbar-info{display:none}.nav-cta{display:none}.main-nav{min-height:66px}.page-head{padding:42px 0}.page-head h1{font-size:36px}.point-band{padding:15px 0}.editorial{grid-template-columns:1fr}.feature-article img{height:235px}.path-grid{grid-template-columns:1fr 1fr;gap:30px 24px}.path-step:nth-child(2):after{display:none}.path-step:nth-child(n+3){padding-top:6px}.scene-strip{grid-template-columns:1fr 1fr}.scene-card:first-child{grid-column:1/-1}.footer-grid{gap:28px}.consult{padding:60px 0}}
@media(max-width:576px){body{font-size:15px}.section-title{font-size:28px}.lead,.page-head p{font-size:15px}.topbar{font-size:12px}.topbar .container{min-height:32px}.page-head h1{font-size:32px}.point-grid{grid-template-columns:1fr}.point-item,.point-item:nth-child(2){border-right:0;border-bottom:1px solid rgba(255,255,255,.22);padding:7px 0;margin:0}.point-item:last-child{border-bottom:0}.article-item{grid-template-columns:92px 1fr;gap:13px}.article-item img{width:92px;height:79px}.article-item h3{font-size:16px}.article-item p{display:none}.path-grid{grid-template-columns:1fr;padding-left:20px}.path-step{padding:0 0 0 34px}.path-step:not(:last-child):after{left:17px;right:auto;top:35px;bottom:-29px;width:2px;height:auto}.path-num{position:absolute;left:0;top:0;width:35px;height:35px}.metric-row{grid-template-columns:1fr}.scene-strip{display:flex;overflow:auto;padding-bottom:5px}.scene-card{min-width:248px;height:220px}.scene-card:first-child{min-width:280px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.copyright{padding:17px 0;align-items:flex-start;flex-direction:column;gap:4px}.head-panel{padding:18px}.article-copy{padding:21px}.chart-card{padding:20px}.faq-question{padding:14px 16px}.faq-answer p{padding:0 16px 16px}}
@media(max-width:375px){.container{width:calc(100% - 24px)}.logo{font-size:18px}.page-head h1{font-size:29px}.btn{padding:10px 14px}.article-item{grid-template-columns:78px 1fr}.article-item img{width:78px}.section{padding:52px 0}}

/* roulang page: category4 */
:root{--ink:#14251f;--deep:#10231d;--green:#12674e;--green2:#0d4f3c;--lime:#b6e62e;--coral:#ed7655;--paper:#fffdf8;--mist:#f1f6f0;--line:#dbe7de;--muted:#62736c;--white:#fff;--shadow:0 14px 34px rgba(17,47,37,.09);--shadow-lg:0 22px 52px rgba(10,37,28,.16);--radius:18px;--container:1200px;--ease:all .25s ease}
*{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}
img{display:block;max-width:100%;object-fit:cover}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(182,230,46,.85);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.topbar{background:var(--deep);color:#d7e4db;font-size:13px}
.topbar .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.topbar-right{display:flex;gap:20px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,248,.97);border-bottom:1px solid transparent;transition:var(--ease)}
.site-header.scrolled{box-shadow:0 7px 24px rgba(11,42,31,.09);border-color:var(--line)}
.main-nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
.logo-mark{width:33px;height:33px;border-radius:10px;background:var(--green);position:relative}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;border:2px solid var(--lime)}
.logo-mark:before{width:12px;height:12px;left:8px;top:4px}
.logo-mark:after{width:18px;height:8px;left:6px;bottom:5px;border-top:0;border-radius:0 0 20px 20px}
.nav-links{display:flex;align-items:center;gap:20px;font-size:14px;font-weight:700}
.nav-links a{padding:24px 0;position:relative;color:#375046;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--green);transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:10px;font-weight:800;transition:var(--ease)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green2);transform:translateY(-2px);box-shadow:0 9px 17px rgba(18,103,78,.24)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#d85f41;transform:translateY(-2px);box-shadow:0 9px 17px rgba(237,118,85,.25)}
.btn-outline{color:var(--green);border:1px solid #b8d1c2;background:#fff}
.btn-outline:hover{background:var(--mist);border-color:var(--green)}
.menu-btn{display:none;width:44px;height:44px;background:transparent;color:var(--green);font-size:23px}
.section{padding:88px 0}
.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:20px;height:2px;background:var(--lime)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.section h2{font-size:clamp(28px,3.2vw,42px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 12px}
.section-head p{max-width:570px;color:var(--muted);margin:0}
.category-head{padding:54px 0 58px;background:var(--mist);border-bottom:1px solid var(--line)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:21px}
.breadcrumb a{color:var(--green);font-weight:700}
.category-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:end}
.category-intro h1{font-size:clamp(35px,5vw, sixty);font-size:clamp(35px,5vw,60px);line-height:1.15;letter-spacing:-.06em;margin:0 0 18px}
.category-intro p{max-width:680px;color:#53675d;font-size:17px;margin:0}
.topic-tags{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}
.tag{display:inline-flex;align-items:center;padding:5px 11px;border:1px solid #cfe0d4;border-radius:99px;color:var(--green2);font-size:12px;font-weight:700;background:#fff}
.metric-strip{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(17,47,37,.04)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:25px 24px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:28px;line-height:1.2;color:var(--green);font-variant-numeric:tabular-nums}
.metric span{font-size:13px;color:var(--muted)}
.editorial{display:grid;grid-template-columns:310px 1fr;gap:46px;align-items:start}
.feature-card{background:var(--deep);color:#eef7ef;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.feature-card img{width:100%;height:240px}
.feature-body{padding:23px}
.feature-body h3{font-size:23px;line-height:1.4;margin:11px 0}
.feature-body p{font-size:14px;color:#c7d8cb;margin:0 0 18px}
.content-list{display:grid;gap:0}
.content-item{display:grid;grid-template-columns:150px 1fr;gap:22px;padding:0 0 21px;margin-bottom:21px;border-bottom:1px solid var(--line)}
.content-item img{width:150px;height:104px;border-radius:13px}
.content-item h3{font-size:19px;line-height:1.45;margin:7px 0 6px}
.content-item p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
.meta{font-size:12px;color:#718179;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.more-wrap{margin-top:4px}
.hidden-item{display:none}
.path-section{background:var(--mist)}
.path-track{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:48px}
.path-track:before{content:"";position:absolute;top:22px;left:8%;right:8%;height:2px;background:#c9dbc9}
.path-step{position:relative;text-align:center;padding:0 14px}
.path-no{position:relative;z-index:1;margin:auto;width:45px;height:45px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff;font-weight:900;border:5px solid var(--mist)}
.path-step:nth-child(3) .path-no{background:var(--coral)}
.path-step h3{font-size:17px;margin:17px 0 5px}
.path-step p{font-size:13px;color:var(--muted);margin:0}
.path-step small{display:inline-block;margin-top:9px;color:var(--green2);font-size:11px;background:#fff;padding:3px 8px;border-radius:5px}
.data-board{display:grid;grid-template-columns:1fr 1.2fr;gap:42px;align-items:center}
.data-copy h2{margin-top:8px}
.data-copy p{color:var(--muted)}
.data-list{list-style:none;padding:0;margin:25px 0 0}
.data-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-weight:700}
.data-list li:before{content:"✓";color:var(--green);font-weight:900}
.chart-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}
.chart-top{display:flex;justify-content:space-between;align-items:start}
.chart-top strong{font-size:25px;color:var(--green)}
.chart-top small{color:var(--muted)}
.bars{height:205px;display:flex;align-items:end;gap:15px;border-bottom:1px solid #cfe0d4;margin-top:25px;padding:0 10px}
.bar{flex:1;background:#b6e62e;border-radius:7px 7px 0 0;min-height:35px;position:relative}
.bar:nth-child(2),.bar:nth-child(5){background:#5ba88a}
.bar span{position:absolute;bottom:-28px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted)}
.chart-note{font-size:12px;color:var(--muted);margin:38px 0 0}
.scene-section{background:#18362b;color:#eaf5eb}
.scene-section .eyebrow{color:var(--lime)}
.scene-section .section-head p{color:#bdd0c1}
.scene-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}
.scene-copy h2{font-size:clamp(30px,4vw,50px);margin:14px 0}
.scene-copy p{color:#c4d8c9}
.scene-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}
.scene-tags span{padding:7px 12px;border:1px solid #496a5b;border-radius:8px;color:#e1eee2;font-size:13px}
.scene-image{position:relative}
.scene-image img{height:390px;width:100%;border-radius:18px}
.scene-stat{position:absolute;left:24px;bottom:22px;background:var(--lime);color:var(--deep);padding:16px 20px;border-radius:11px;font-weight:800}
.faq-grid{max-width:880px;margin:auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-question{width:100%;min-height:60px;background:transparent;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-weight:800;padding:14px 2px}
.faq-question span:last-child{font-size:23px;color:var(--green);transition:transform .25s}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);font-size:14px}
.faq-answer p{margin:0;padding:0 35px 20px 2px}
.faq-item.open .faq-answer{max-height:150px}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.consult{background:var(--mist);padding:70px 0}
.consult-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.consult h2{font-size:clamp(29px,4vw,46px);line-height:1.25;margin:13px 0}
.consult p{color:var(--muted);max-width:520px}
.contact-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.contact-points span{padding:8px 12px;background:#fff;border:1px solid var(--line);border-radius:9px;font-size:13px}
.form-box{background:#fff;padding:27px;border-radius:var(--radius);box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-field{display:grid;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:800}
.form-field input,.form-field select{width:100%;height:45px;border:1px solid #cfe0d4;border-radius:8px;padding:0 12px;color:var(--ink);background:#fff}
.form-field input:invalid:not(:placeholder-shown){border-color:var(--coral)}
.form-note{font-size:12px;color:var(--muted);margin:12px 0 16px}
.form-message{font-size:13px;color:var(--green);margin:10px 0 0;min-height:20px}
.footer{background:var(--deep);color:#dceae0;padding:60px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:38px}
.footer .logo{color:#fff}
.footer p{color:#adc2b4;font-size:14px;max-width:270px}
.footer h3{font-size:15px;color:var(--lime);margin:0 0 14px}
.footer-links,.footer-contact{display:grid;gap:7px;font-size:13px;color:#adc2b4}
.footer-links a:hover{color:var(--lime)}
.trust{font-size:12px;line-height:2;color:#adc2b4}
.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:44px;padding-top:17px;display:flex;justify-content:space-between;color:#8ca596;font-size:12px}
@media(max-width:1200px){.nav-links{gap:12px}.nav-links a{font-size:13px}.container{width:min(calc(100% - 40px),var(--container))}}
@media(max-width:992px){.nav-links{display:none}.nav-cta{margin-left:auto}.menu-btn{display:block}.nav-links.open{position:absolute;top:74px;left:20px;right:20px;display:grid;gap:0;background:#fffdf8;border:1px solid var(--line);box-shadow:var(--shadow-lg);padding:8px 20px;border-radius:0 0 14px 14px}.nav-links.open a{padding:13px 0;border-bottom:1px solid #edf1ed}.nav-links.open a:after{display:none}.category-intro,.data-board,.scene-layout,.consult-grid{grid-template-columns:1fr}.topic-tags{justify-content:flex-start}.footer-grid{grid-template-columns:1fr 1fr}.scene-image img{height:330px}}
@media(max-width:768px){.section{padding:62px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}.metric-grid{grid-template-columns:1fr 1fr}.metric{border-bottom:1px solid var(--line)}.metric:nth-child(2){border-right:0}.editorial{grid-template-columns:1fr;gap:28px}.feature-card{display:grid;grid-template-columns:38% 1fr}.feature-card img{height:100%;min-height:210px}.path-track{display:block;margin-top:30px}.path-track:before{top:22px;bottom:22px;left:22px;width:2px;height:auto;right:auto}.path-step{display:grid;grid-template-columns:45px 1fr;text-align:left;gap:16px;padding:0 0 25px}.path-step h3{margin:0}.path-step p,.path-step small{grid-column:2}.path-step small{justify-self:start;margin-top:0}.path-no{margin:0}.topbar .container{font-size:11px}.topbar-right{gap:8px}.footer-grid{gap:25px}}
@media(max-width:576px){.container{width:min(calc(100% - 30px),var(--container))}.topbar-right{display:none}.main-nav{min-height:66px;gap:10px}.logo{font-size:17px}.logo-mark{width:29px;height:29px}.nav-cta{font-size:12px;min-height:40px;padding:8px 11px}.nav-links.open{top:66px;left:15px;right:15px}.category-head{padding:37px 0 42px}.category-intro h1{font-size:38px}.category-intro p{font-size:15px}.metric strong{font-size:23px}.metric{padding:20px 13px}.content-item{grid-template-columns:105px 1fr;gap:13px}.content-item img{width:105px;height:88px}.content-item h3{font-size:16px;margin:3px 0}.content-item p{font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.feature-card{display:block}.feature-card img{height:190px}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.copyright{display:block;line-height:2}.copyright span{display:block}}
@media(max-width:375px){.hero-actions .btn,.consult .btn{width:100%}.metric span{font-size:12px}.section h2{font-size:29px}}
@media(prefers-reduced-motion:reduce){*,html{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category5 */
:root{
--ink:#14251f;--deep:#10231d;--green:#12674e;--green2:#0d4f3c;--lime:#b6e62e;--coral:#ed7655;
--paper:#fffdf8;--mist:#f1f6f0;--line:#dbe7de;--muted:#62736c;--white:#fff;
--shadow:0 14px 34px rgba(17,47,37,.09);--shadow-lg:0 22px 52px rgba(10,37,28,.16);
--radius:18px;--container:1200px;--ease:all .25s ease;
}
*{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;line-height:1.82;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(182,230,46,.86);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:88px 0;position:relative}
.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:20px;height:2px;background:var(--lime)}
.section-title{font-size:clamp(27px,3.1vw,42px);line-height:1.25;letter-spacing:-.045em;margin:12px 0 14px}
.lead{max-width:720px;font-size:16px;line-height:1.88;color:#4d6158;margin:0}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:10px;font-weight:800;transition:var(--ease);border:1px solid transparent}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green2);transform:translateY(-2px);box-shadow:0 9px 17px rgba(18,103,78,.24)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#d85f41;transform:translateY(-2px);box-shadow:0 9px 17px rgba(237,118,85,.22)}
.btn-outline{color:var(--green);border-color:#b8d1c2;background:#fff}
.btn-outline:hover{background:var(--mist);border-color:var(--green)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border:1px solid #cfe0d4;border-radius:99px;color:var(--green2);font-size:12px;font-weight:700;background:#fff}
.topbar{background:var(--deep);color:#d7e4db;font-size:13px}
.topbar .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.topbar-group{display:flex;align-items:center;gap:18px}
.topbar i{font-style:normal;color:var(--lime);margin-right:5px}
.site-header{z-index:50;position:sticky;top:0;background:rgba(255,253,248,.97);border-bottom:1px solid transparent;transition:var(--ease)}
.site-header.scrolled{box-shadow:0 7px 24px rgba(11,42,31,.09);border-color:var(--line)}
.main-nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
.logo-mark{width:33px;height:33px;border-radius:10px;background:var(--green);position:relative;flex:0 0 auto}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;border:2px solid var(--lime)}
.logo-mark:before{width:12px;height:12px;left:8px;top:4px}
.logo-mark:after{width:18px;height:8px;left:6px;bottom:5px;border-top:0;border-radius:0 0 20px 20px}
.nav-links{display:flex;align-items:center;gap:18px;font-size:13px;font-weight:700}
.nav-links a{padding:26px 0;position:relative;color:#375046;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--green);transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-cta{white-space:nowrap}
.menu-btn{display:none;width:44px;height:44px;background:transparent;color:var(--green);font-size:23px}
.page-head{padding:58px 0 48px;background:linear-gradient(135deg,#eff6ef 0%,#fffdf8 60%,#f6f2e8 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head:after{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(18,103,78,.12);border-radius:50%;right:-120px;top:-210px;box-shadow:0 0 0 38px rgba(182,230,46,.08),0 0 0 76px rgba(18,103,78,.04)}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);position:relative;z-index:1}
.breadcrumb span{color:var(--green);font-weight:700}
.page-head-grid{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:end;position:relative;z-index:1}
.page-head h1{font-size:clamp(34px,4.3vw,55px);line-height:1.13;letter-spacing:-.06em;margin:18px 0 15px}
.page-head p{max-width:720px;font-size:17px;color:#465c52;margin:0}
.page-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.head-stat{padding:22px;background:var(--deep);border-radius:16px;color:#e8f0eb;box-shadow:var(--shadow)}
.head-stat strong{display:block;color:var(--lime);font-size:28px;line-height:1;margin-bottom:8px;font-variant-numeric:tabular-nums}
.head-stat span{font-size:13px;color:#c9d9cf}
.insight-strip{background:var(--green);color:#eef6ed;padding:0}
.insight-grid{display:grid;grid-template-columns:1.15fr repeat(3,1fr)}
.insight-item{padding:20px 24px;border-right:1px solid rgba(255,255,255,.15);min-height:95px;display:flex;flex-direction:column;justify-content:center}
.insight-item:last-child{border:0}
.insight-item small{color:#cfe0d4;font-size:12px}
.insight-item strong{font-size:16px;color:#fff;margin-top:3px}
.insight-item:first-child strong{color:var(--lime);font-size:18px}
.editorial-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:46px;align-items:start;margin-top:42px}
.feature-story{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--ease)}
.feature-story:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--green)}
.feature-story img{height:310px;width:100%}
.feature-story-copy{padding:26px}
.feature-story h3{font-size:25px;line-height:1.35;margin:11px 0}
.feature-story p{color:var(--muted);margin:0 0 18px;font-size:15px}
.meta{display:flex;gap:10px;align-items:center;font-size:12px;color:#72827a;flex-wrap:wrap}
.article-list{border-top:1px solid var(--line)}
.article-row{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.article-row:hover{padding-left:8px}
.article-row img{width:120px;height:92px;border-radius:11px}
.article-row h3{font-size:17px;line-height:1.45;margin:7px 0 5px}
.article-row p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}
.hidden-articles{display:none}
.hidden-articles.show{display:block}
.more-wrap{margin-top:21px}
.training-path{background:var(--mist)}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:42px;position:relative}
.path-grid:before{content:"";position:absolute;left:12%;right:12%;top:29px;height:2px;background:#bfd5c4}
.path-step{position:relative;padding:0 17px}
.path-num{position:relative;z-index:1;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid var(--green);font-weight:900;color:var(--green);font-size:18px}
.path-step:nth-child(2) .path-num{border-color:#65a845}
.path-step:nth-child(3) .path-num{border-color:var(--coral);color:var(--coral)}
.path-step:nth-child(4) .path-num{background:var(--green);color:#fff}
.path-step h3{font-size:18px;margin:17px 0 7px}
.path-step p{font-size:14px;color:var(--muted);margin:0}
.path-step em{display:inline-block;font-style:normal;margin-top:11px;color:var(--green2);background:#e3efe5;border-radius:6px;padding:3px 7px;font-size:12px;font-weight:700}
.data-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}
.data-card{background:var(--deep);border-radius:var(--radius);padding:29px;color:#eff6f0;position:relative;overflow:hidden}
.data-card:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(182,230,46,.22);border-radius:50%;right:-80px;top:-85px}
.data-card h3{margin:0 0 5px;font-size:20px}
.data-card>p{font-size:13px;color:#bbccc2;margin:0 0 23px}
.chart{height:190px;display:flex;align-items:flex-end;gap:13px;padding:17px 4px 0;border-bottom:1px solid rgba(255,255,255,.2);position:relative;z-index:1}
.bar{flex:1;background:linear-gradient(to top,var(--lime),#5b9f55);border-radius:6px 6px 0 0;position:relative;min-width:20px}
.bar span{position:absolute;bottom:-27px;left:50%;transform:translateX(-50%);font-size:11px;color:#a9c0b3}
.bar i{position:absolute;top:-22px;left:50%;transform:translateX(-50%);font-style:normal;font-size:11px;color:var(--lime)}
.metric-stack{display:grid;gap:16px}
.metric{padding:17px 18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.metric-top{display:flex;justify-content:space-between;gap:15px;font-size:14px;font-weight:800}
.metric-top span:last-child{color:var(--green);font-variant-numeric:tabular-nums}
.track{height:8px;background:#e3ece4;border-radius:99px;margin-top:11px;overflow:hidden}
.track i{display:block;height:100%;border-radius:inherit;background:var(--green)}
.metric small{font-size:12px;color:var(--muted)}
.scene-section{padding-bottom:72px}
.scene-strip{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-auto-rows:165px;gap:14px;margin-top:38px}
.scene{position:relative;border-radius:16px;overflow:hidden;background:var(--deep)}
.scene:first-child{grid-row:span 2}
.scene img{width:100%;height:100%;transition:transform .45s ease}
.scene:hover img{transform:scale(1.05)}
.scene:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(8,32,23,.76))}
.scene span{position:absolute;z-index:1;left:17px;bottom:14px;color:#fff;font-weight:800;font-size:16px}
.scene small{display:block;font-size:12px;font-weight:500;color:#d2dfd5;margin-top:2px}
.faq-section{background:#f7f8f3}
.faq-list{max-width:900px;margin:39px auto 0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;min-height:67px;text-align:left;background:transparent;display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--ink);font-weight:800;font-size:17px;padding:16px 4px}
.faq-q span:last-child{color:var(--green);font-size:24px;font-weight:400;transition:var(--ease)}
.faq-q[aria-expanded="true"] span:last-child{transform:rotate(45deg);color:var(--coral)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.faq-a>div{overflow:hidden}
.faq-a p{margin:0;padding:0 4px 19px;color:#52665c;font-size:15px}
.faq-item.open .faq-a{grid-template-rows:1fr}
.consult{padding:82px 0;background:var(--paper)}
.consult-box{display:grid;grid-template-columns:1fr .94fr;gap:42px;align-items:center;padding:42px 46px;background:#e6f0e6;border:1px solid #cbddce;border-radius:20px;overflow:hidden;position:relative}
.consult-box:before{content:"";position:absolute;width:280px;height:280px;right:-90px;bottom:-140px;border-radius:50%;border:38px solid rgba(182,230,46,.22)}
.consult-copy{position:relative;z-index:1}
.consult-copy h2{font-size:32px;line-height:1.28;margin:12px 0}
.consult-copy p{max-width:560px;color:#51665a;margin-bottom:20px}
.contact-line{font-weight:800;color:var(--green2);font-size:15px}
.mini-form{position:relative;z-index:1;background:#fff;border:1px solid #c7d9ca;border-radius:15px;padding:20px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.field{display:grid;gap:5px;margin-bottom:11px}
.field label{font-size:12px;font-weight:800;color:#41594d}
.field input,.field select{width:100%;height:43px;border:1px solid #cadbd0;border-radius:8px;padding:0 11px;color:var(--ink);background:#fff}
.field input.error,.field select.error{border-color:var(--coral);background:#fff7f4}
.form-note{font-size:12px;color:var(--muted);margin:10px 0 0}
.form-result{display:none;font-size:13px;margin:9px 0 0;color:var(--green);font-weight:700}
.footer{background:var(--deep);color:#d7e5db;padding:62px 0 19px}
.footer-grid{display:grid;grid-template-columns:1.25fr .9fr 1fr 1fr;gap:38px}
.footer .logo{color:#fff}
.footer p{font-size:14px;line-height:1.75;color:#b9cac0;max-width:310px}
.footer h3{font-size:15px;color:#fff;margin:4px 0 14px}
.footer-links{display:grid;gap:8px}
.footer-links a,.footer-contact,.trust{font-size:13px;color:#b9cac0;line-height:1.95}
.footer-links a:hover{color:var(--lime)}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:39px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;color:#8da79a;font-size:12px}
@media(max-width:1200px){.nav-links{gap:13px;font-size:12px}.main-nav{gap:14px}.nav-cta{padding:10px 13px}.page-head-grid{grid-template-columns:1fr 270px}}
@media(max-width:992px){
.nav-links{position:absolute;top:74px;left:0;right:0;padding:15px 24px 23px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 15px 22px rgba(11,42,31,.08);display:none;flex-direction:column;align-items:stretch;gap:0}
.nav-links.open{display:flex}.nav-links a{padding:12px 0;font-size:15px}.nav-links a:after{bottom:7px}.menu-btn{display:block}.nav-cta{margin-left:auto}.page-head-grid,.data-layout,.consult-box{grid-template-columns:1fr}.page-tags{justify-content:flex-start}.head-stat{max-width:320px}.editorial-grid{gap:30px}.footer-grid{grid-template-columns:1fr 1fr}.scene-strip{grid-template-columns:1fr 1fr}.scene:first-child{grid-row:span 1}.path-grid:before{left:10%;right:10%}}
@media(max-width:768px){
.container{width:min(calc(100% - 32px),var(--container))}.section{padding:61px 0}.topbar .container{min-height:32px}.topbar-group:last-child{display:none}.logo{font-size:18px}.nav-cta{display:none}.page-head{padding:43px 0}.page-head h1{margin-top:14px}.insight-grid{grid-template-columns:1fr 1fr}.insight-item{padding:16px;border-bottom:1px solid rgba(255,255,255,.15)}.insight-item:nth-child(2){border-right:0}.editorial-grid{grid-template-columns:1fr}.feature-story img{height:245px}.path-grid{grid-template-columns:1fr 1fr;gap:25px}.path-grid:before{display:none}.path-step{padding:0}.scene-strip{grid-auto-rows:145px}.consult-box{padding:31px 24px}.footer-grid{gap:28px}.copyright{flex-direction:column}.faq-q{font-size:16px}}
@media(max-width:576px){
body{font-size:15px}.section-title{font-size:28px}.lead,.page-head p{font-size:15px}.topbar{font-size:12px}.topbar-group{gap:8px}.topbar-group span:last-child{display:none}.main-nav{min-height:66px}.nav-links{top:66px}.page-head-grid{gap:22px}.head-stat{padding:18px}.insight-grid{grid-template-columns:1fr}.insight-item{border-right:0;padding:15px 0}.article-row{grid-template-columns:92px 1fr;gap:13px}.article-row img{width:92px;height:78px}.article-row h3{font-size:15px;margin:3px 0}.article-row p{font-size:12px}.feature-story-copy{padding:20px}.feature-story h3{font-size:21px}.path-grid{grid-template-columns:1fr;gap:22px;border-left:2px solid #bcd2c0;padding-left:20px}.path-step{padding-left:0}.path-num{width:47px;height:47px;font-size:15px;margin-left:-45px;background:var(--mist)}.path-step:nth-child(4) .path-num{background:var(--green)}.scene-strip{display:flex;overflow:auto;margin-right:-16px;padding-right:16px}.scene{min-width:230px;height:220px}.scene:first-child{min-width:280px}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.consult-copy h2{font-size:28px}}
@media(max-width:375px){.container{width:calc(100% - 28px)}.logo{font-size:17px}.logo-mark{width:30px;height:30px}.page-head h1{font-size:33px}.article-row{grid-template-columns:78px 1fr}.article-row img{width:78px;height:72px}.btn{padding-left:14px;padding-right:14px}}

/* roulang page: category6 */
:root{
--ink:#14251f;--deep:#10231d;--green:#12674e;--green2:#0d4f3c;--lime:#b6e62e;--coral:#ed7655;
--paper:#fffdf8;--mist:#f1f6f0;--line:#dbe7de;--muted:#62736c;--white:#fff;
--shadow:0 14px 34px rgba(17,47,37,.09);--shadow-lg:0 22px 52px rgba(10,37,28,.16);
--radius:18px;--container:1200px;--ease:all .25s ease;
}
*{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;line-height:1.8;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(182,230,46,.82);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:88px 0;position:relative}
.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:20px;height:2px;background:var(--lime)}
.lead{max-width:720px;font-size:17px;line-height:1.85;color:#42574e;margin:14px 0 0}
.section-title{font-size:clamp(27px,3vw,40px);letter-spacing:-.04em;line-height:1.24;margin:13px 0 0}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:10px;font-weight:800;transition:var(--ease)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green2);transform:translateY(-2px);box-shadow:0 9px 17px rgba(18,103,78,.24)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#d85f41;transform:translateY(-2px);box-shadow:0 9px 18px rgba(237,118,85,.25)}
.btn-outline{color:var(--green);border:1px solid #b8d1c2;background:#fff}
.btn-outline:hover{background:var(--mist);border-color:var(--green);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border:1px solid #cfe0d4;border-radius:99px;color:var(--green2);font-size:12px;font-weight:700;background:#fff}
.topbar{background:var(--deep);color:#d7e4db;font-size:13px}
.topbar .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:17px}
.topbar-right{white-space:nowrap}
.site-header{z-index:50;position:sticky;top:0;background:rgba(255,253,248,.97);border-bottom:1px solid transparent;transition:var(--ease)}
.site-header.scrolled{box-shadow:0 7px 24px rgba(11,42,31,.09);border-color:var(--line)}
.main-nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
.logo-mark{width:33px;height:33px;border-radius:10px;background:var(--green);position:relative;flex:0 0 auto}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;border:2px solid var(--lime)}
.logo-mark:before{width:12px;height:12px;left:8px;top:4px}
.logo-mark:after{width:18px;height:8px;left:6px;bottom:5px;border-top:0;border-radius:0 0 20px 20px}
.nav-links{display:flex;align-items:center;gap:21px;font-size:14px;font-weight:700}
.nav-links a{padding:24px 0;position:relative;color:#375046;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--green);transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.nav-cta{white-space:nowrap}
.menu-btn{display:none;width:44px;height:44px;background:transparent;color:var(--green);font-size:23px}
.page-head{padding:58px 0 42px;background:linear-gradient(110deg,#edf5ee 0%,#fffdf8 62%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head:after{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(18,103,78,.12);border-radius:50%;right:-140px;top:-285px}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);position:relative;z-index:1}
.breadcrumb b{color:var(--green);font-weight:800}
.page-head-grid{display:grid;grid-template-columns:1fr 320px;gap:50px;align-items:end;position:relative;z-index:1}
.page-head h1{font-size:clamp(34px,4vw,51px);line-height:1.18;letter-spacing:-.055em;margin:16px 0 14px}
.page-head p{max-width:760px;color:#42574e;font-size:17px;margin:0}
.head-card{background:var(--deep);color:#e4efe8;border-radius:16px;padding:22px 24px;box-shadow:var(--shadow)}
.head-card b{display:block;color:var(--lime);font-size:13px;letter-spacing:.08em}
.head-card strong{display:block;font-size:20px;line-height:1.35;margin:7px 0}
.head-card span{font-size:13px;color:#bdcec4}
.head-tags{margin-top:21px;display:flex;gap:8px;flex-wrap:wrap}
.metrics{background:var(--deep);color:#fff;padding:0}
.metrics-inner{display:grid;grid-template-columns:1.1fr repeat(4,1fr)}
.metrics-intro,.metric{padding:29px 24px;border-right:1px solid rgba(255,255,255,.13)}
.metrics-intro{background:#17372c}
.metrics-intro h2{font-size:20px;line-height:1.4;margin:0 0 5px}
.metrics-intro p{margin:0;color:#bdcec4;font-size:13px;line-height:1.65}
.metric:last-child{border-right:0}
.metric b{display:block;color:var(--lime);font-size:14px;margin-bottom:7px}
.metric span{display:block;color:#dbe9e0;font-size:14px;line-height:1.5}
.editorial-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:42px;align-items:start;margin-top:35px}
.feature-story{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--ease)}
.feature-story:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#b5d1bf}
.feature-story img{width:100%;height:330px}
.feature-copy{padding:26px}
.feature-copy h3{font-size:27px;line-height:1.35;margin:12px 0}
.feature-copy p{margin:0;color:var(--muted)}
.meta{font-size:12px;color:#718179;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.content-list{display:grid;gap:0;border-top:1px solid var(--line)}
.content-item{display:grid;grid-template-columns:116px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.content-item:hover{padding-left:8px}
.content-item img{width:116px;height:87px;border-radius:11px}
.content-item h3{font-size:18px;line-height:1.45;margin:5px 0}
.content-item p{font-size:14px;line-height:1.65;margin:0;color:var(--muted)}
.more-wrap{margin-top:23px}
.hidden-list{display:none}
.hidden-list.show{display:grid}
.path-panel{margin-top:35px;background:#f1f6f0;border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.pathway{display:grid;grid-template-columns:repeat(4,1fr);position:relative;gap:22px}
.pathway:before{content:"";position:absolute;top:28px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--green),var(--lime),var(--green))}
.path-step{position:relative;z-index:1}
.step-num{width:57px;height:57px;border-radius:50%;background:var(--deep);color:var(--lime);display:grid;place-items:center;font-weight:900;margin-bottom:17px;border:5px solid #f1f6f0}
.path-step h3{margin:0 0 7px;font-size:18px}
.path-step p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
.output{display:inline-block;margin-top:11px;color:var(--green);font-size:12px;font-weight:800}
.data-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center;margin-top:34px}
.data-note{background:var(--deep);color:#e9f1ec;border-radius:var(--radius);padding:30px}
.data-note h3{font-size:24px;line-height:1.4;margin:0 0 14px}
.data-note p{font-size:14px;color:#bdd0c4;margin:0 0 19px}
.data-note ul{padding:0;margin:0;list-style:none}
.data-note li{padding:9px 0;border-top:1px solid rgba(255,255,255,.12);font-size:14px}
.data-note li:before{content:"✓";color:var(--lime);font-weight:900;margin-right:10px}
.chart-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.chart-card h3{font-size:19px;margin:0 0 5px}
.chart-caption{color:var(--muted);font-size:13px;margin:0 0 20px}
.chart{height:220px;display:flex;align-items:flex-end;gap:12px;padding:18px 0 0;border-bottom:1px solid var(--line);background:repeating-linear-gradient(to top,transparent 0,transparent 53px,#edf2ed 54px)}
.bar{flex:1;background:linear-gradient(to top,var(--green),#51a786);border-radius:8px 8px 0 0;position:relative;min-width:25px;transition:height .8s ease}
.bar:nth-child(2),.bar:nth-child(5){background:linear-gradient(to top,var(--coral),#f4a58f)}
.bar span{position:absolute;bottom:-29px;left:50%;transform:translateX(-50%);font-size:12px;color:var(--muted);white-space:nowrap}
.chart-legend{display:flex;gap:18px;margin-top:42px;font-size:13px;color:var(--muted)}
.chart-legend i{width:10px;height:10px;border-radius:50%;display:inline-block;background:var(--green);margin-right:5px}
.chart-legend i.coral{background:var(--coral)}
.scene-strip{margin-top:34px;display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:180px 180px;gap:14px}
.scene{border-radius:15px;overflow:hidden;position:relative;background:#213d33}
.scene:first-child{grid-row:span 2}
.scene img{width:100%;height:100%;opacity:.78;transition:transform .4s ease}
.scene:hover img{transform:scale(1.05)}
.scene span{position:absolute;left:16px;bottom:13px;color:#fff;font-weight:800;text-shadow:0 1px 7px rgba(0,0,0,.35)}
.scene-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:21px}
.faq-wrap{margin-top:30px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;min-height:68px;display:flex;justify-content:space-between;align-items:center;text-align:left;background:transparent;color:var(--ink);font-weight:800;font-size:17px;padding:14px 6px}
.faq-question span:last-child{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--mist);color:var(--green);font-size:20px;transition:var(--ease)}
.faq-question[aria-expanded="true"] span:last-child{background:var(--green);color:#fff;transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer p{max-width:900px;margin:0;padding:0 6px 20px;color:var(--muted)}
.faq-item.open .faq-answer{max-height:230px}
.consult{background:linear-gradient(112deg,#e6f1e7,#fffaf2);border-top:1px solid var(--line)}
.consult-box{display:grid;grid-template-columns:1fr .93fr;gap:50px;align-items:center}
.consult h2{font-size:clamp(28px,3vw,40px);line-height:1.3;margin:13px 0}
.consult p{color:#42574e;max-width:620px}
.contact-lines{display:grid;gap:10px;margin-top:24px;color:var(--green2);font-weight:700;font-size:14px}
.mini-form{background:#fff;border:1px solid #cfe0d4;border-radius:var(--radius);padding:23px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field{display:grid;gap:5px}
.field.full{grid-column:span 2}
.field label{font-size:13px;font-weight:800;color:#355247}
.field input,.field select{width:100%;height:45px;border:1px solid #c9d9ce;background:#fff;border-radius:9px;padding:0 12px;color:var(--ink);transition:var(--ease)}
.field input:focus,.field select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(18,103,78,.1);outline:0}
.form-tip{min-height:20px;font-size:12px;margin:10px 0 0;color:var(--muted)}
.form-tip.error{color:#bd4128}.form-tip.success{color:var(--green)}
.footer{background:var(--deep);color:#dce8e0;padding:58px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:42px}
.footer .logo{color:#fff;font-size:20px}
.footer p{font-size:14px;line-height:1.75;color:#b8cabf;max-width:290px}
.footer h3{font-size:15px;color:#fff;margin:0 0 15px}
.footer-links{display:grid;gap:7px}
.footer-links a{font-size:14px;color:#b8cabf;transition:var(--ease)}
.footer-links a:hover{color:var(--lime);padding-left:3px}
.footer-contact,.trust{font-size:14px;line-height:1.9;color:#b8cabf}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#90a99b;font-size:12px}
@media(max-width:1200px){.nav-links{gap:14px;font-size:13px}.nav-cta{padding:10px 14px}.page-head-grid{grid-template-columns:1fr 280px}}
@media(max-width:992px){
.nav-links{position:absolute;top:74px;left:0;right:0;background:var(--paper);display:none;flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.nav-links.open{display:flex}.nav-links a{padding:12px 0}.nav-links a:after{bottom:7px}.menu-btn{display:block}.main-nav{gap:14px}.nav-cta{margin-left:auto}
.page-head-grid,.editorial-grid,.data-layout,.consult-box{grid-template-columns:1fr}.head-card{max-width:460px}.metrics-inner{grid-template-columns:repeat(2,1fr)}.metrics-intro{grid-column:span 2}.metric:nth-child(3){border-right:0}
.footer-grid{grid-template-columns:repeat(2,1fr)}.scene-strip{grid-template-columns:1fr 1fr}.scene:first-child{grid-column:span 2;grid-row:auto;height:260px}.scene{height:180px}
}
@media(max-width:768px){
.container{width:min(calc(100% - 32px),var(--container))}.section{padding:62px 0}.topbar-right{display:none}.topbar .container{min-height:32px}.page-head{padding:42px 0 34px}.page-head h1{font-size:36px}.lead{font-size:16px}.metrics-inner{grid-template-columns:repeat(2,1fr)}.metrics-intro{padding:24px}.metric{padding:22px 17px}.path-panel{padding:27px 22px}.pathway{grid-template-columns:1fr;gap:24px}.pathway:before{top:34px;bottom:34px;left:28px;right:auto;width:2px;height:auto;background:linear-gradient(var(--green),var(--lime),var(--green))}.step-num{margin-bottom:8px}.path-step{padding-left:75px}.path-step .step-num{position:absolute;left:0;top:0}.content-item{grid-template-columns:95px 1fr;gap:13px}.content-item img{width:95px;height:78px}.feature-story img{height:250px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
}
@media(max-width:576px){
.logo{font-size:18px}.logo-mark{width:30px;height:30px}.nav-cta{display:none}.page-head h1{font-size:32px}.head-card{padding:19px}.metrics-intro{grid-column:span 2}.metric{font-size:13px}.metric:nth-child(2){border-right:0}.metric:nth-child(4){border-right:0}.section-title{font-size:28px}.feature-copy{padding:20px}.feature-copy h3{font-size:23px}.content-item{grid-template-columns:78px 1fr}.content-item img{width:78px;height:72px}.content-item h3{font-size:16px}.content-item p{display:none}.chart-card,.data-note{padding:22px}.scene-strip{grid-template-columns:1fr;grid-template-rows:auto}.scene:first-child{grid-column:auto;height:230px}.scene{height:170px}.footer-grid{grid-template-columns:1fr;gap:28px}.copyright{flex-direction:column;gap:5px;margin-top:30px}.faq-question{font-size:16px}.consult h2{font-size:29px}
}
@media(max-width:375px){.container{width:calc(100% - 26px)}.page-head h1{font-size:29px}.metrics-intro,.metric{padding:19px 13px}.btn{padding:10px 15px}.content-item{grid-template-columns:70px 1fr}.content-item img{width:70px}.chart{gap:8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category7 */
:root{
--ink:#14251f;--deep:#10231d;--green:#12674e;--green2:#0d4f3c;--lime:#b6e62e;--coral:#ed7655;
--paper:#fffdf8;--mist:#f1f6f0;--line:#dbe7de;--muted:#62736c;--white:#fff;
--shadow:0 14px 34px rgba(17,47,37,.09);--shadow-lg:0 22px 52px rgba(10,37,28,.16);
--radius:18px;--container:1200px;--ease:all .25s ease;
}
*{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;line-height:1.8;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;object-fit:cover}
button,input,select{font:inherit}
button{cursor:pointer;border:0}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(182,230,46,.82);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:88px 0;position:relative}
.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:20px;height:2px;background:var(--lime)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,4.5vw,58px);line-height:1.16;letter-spacing:-.055em;margin:13px 0 18px}
h2{font-size:clamp(28px,3.2vw,42px);line-height:1.25;letter-spacing:-.04em;margin:12px 0 16px}
h3{line-height:1.4}
.lead{max-width:720px;color:var(--muted);font-size:17px;line-height:1.85}
.topbar{background:var(--deep);color:#d7e4db;font-size:13px}
.topbar .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.topbar-right{display:flex;gap:18px}
.site-header{z-index:50;position:sticky;top:0;background:rgba(255,253,248,.97);border-bottom:1px solid transparent;transition:var(--ease)}
.site-header.scrolled{box-shadow:0 7px 24px rgba(11,42,31,.09);border-color:var(--line)}
.main-nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
.logo-mark{width:33px;height:33px;border-radius:10px;background:var(--green);position:relative}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;border-radius:50%;border:2px solid var(--lime)}
.logo-mark:before{width:12px;height:12px;left:8px;top:4px}
.logo-mark:after{width:18px;height:8px;left:6px;bottom:5px;border-top:0;border-radius:0 0 20px 20px}
.nav-links{display:flex;align-items:center;gap:19px;font-size:14px;font-weight:700}
.nav-links a{padding:24px 0;position:relative;color:#375046}
.nav-links a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--green);transition:var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 19px;border-radius:10px;font-weight:800;transition:var(--ease)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green2);transform:translateY(-2px);box-shadow:0 9px 17px rgba(18,103,78,.24)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#d85f41;transform:translateY(-2px)}
.btn-outline{color:var(--green);border:1px solid #b8d1c2;background:#fff}
.btn-outline:hover{background:var(--mist);border-color:var(--green)}
.menu-btn{display:none;width:44px;height:44px;background:transparent;color:var(--green);font-size:23px}
.page-head{padding:68px 0 58px;background:var(--mist);border-bottom:1px solid var(--line)}
.breadcrumb{font-size:13px;color:var(--muted);display:flex;gap:9px;align-items:center;margin-bottom:22px}
.breadcrumb span{color:var(--green)}
.head-row{display:flex;justify-content:space-between;align-items:end;gap:42px}
.head-labels{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border:1px solid #cfe0d4;border-radius:99px;color:var(--green2);font-size:12px;font-weight:700;background:#fff}
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.metric{padding:25px 24px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{display:block;color:var(--green);font-size:28px;line-height:1.2;font-variant-numeric:tabular-nums}
.metric span{font-size:13px;color:var(--muted)}
.section-top{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-top p{max-width:570px;color:var(--muted);margin-bottom:0}
.editor-layout{display:grid;grid-template-columns:390px 1fr;gap:26px;align-items:start}
.feature-card{background:var(--deep);color:#eef5ef;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.feature-card img{height:246px;width:100%}
.feature-body{padding:25px}
.feature-body .tag{background:#1c3a30;border-color:#395b4d;color:var(--lime)}
.feature-body h3{font-size:24px;margin:15px 0 10px}
.feature-body p{color:#c4d5ca;font-size:14px}
.list-panel{border-top:1px solid var(--line)}
.content-item{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.content-item img{width:150px;height:104px;border-radius:12px}
.content-item h3{font-size:19px;margin:5px 0 7px}
.content-item p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
.meta{font-size:12px;color:#718179;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.more-wrap{padding-top:25px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid #b8d5c0;margin-top:40px}
.step{position:relative;padding:27px 22px 0 0}
.step:before{content:"";position:absolute;top:-10px;left:0;width:18px;height:18px;background:var(--lime);border:5px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px var(--green)}
.step:not(:last-child){border-right:1px dashed #b8d5c0;padding-right:25px}
.step:not(:first-child){padding-left:24px}
.step-num{font-size:12px;color:var(--coral);font-weight:900}
.step h3{font-size:20px;margin:5px 0}
.step p{font-size:14px;color:var(--muted);margin:0 0 12px}
.data-board{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;grid-template-columns:1fr 1.3fr;gap:35px;box-shadow:var(--shadow)}
.data-list{display:grid;gap:16px}
.data-row{display:flex;justify-content:space-between;border-bottom:1px solid #edf2ed;padding-bottom:12px}
.data-row b{color:var(--green2)}
.chart{display:flex;align-items:end;gap:12px;height:190px;padding:20px 15px 0;border-left:1px solid var(--line);border-bottom:1px solid var(--line)}
.bar{flex:1;background:#dcebdc;border-radius:7px 7px 0 0;position:relative;min-width:24px}
.bar i{display:block;position:absolute;bottom:0;width:100%;background:var(--green);border-radius:7px 7px 0 0}
.bar small{position:absolute;top:-24px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted)}
.chart-note{font-size:12px;color:var(--muted);margin:12px 0 0}
.scene-band{background:var(--mist)}
.scene-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:14px}
.scene{position:relative;min-height:190px;border-radius:16px;overflow:hidden}
.scene img{width:100%;height:100%;position:absolute;inset:0}
.scene:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,35,29,.7),transparent 65%)}
.scene strong{position:absolute;z-index:1;bottom:18px;left:19px;color:#fff;font-size:18px}
.faq-list{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;min-height:62px;display:flex;align-items:center;justify-content:space-between;background:none;text-align:left;color:var(--ink);font-weight:800;padding:14px 4px;font-size:16px}
.faq-q b{font-size:24px;color:var(--green);font-weight:400;transition:transform .25s}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);font-size:14px}
.faq-a p{padding:0 42px 17px 4px;margin:0}
.faq-item.open .faq-a{max-height:180px}
.faq-item.open .faq-q b{transform:rotate(45deg)}
.consult{background:var(--green);color:#fff;padding:46px 0}
.consult-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.consult h2{margin:0 0 8px;color:#fff;font-size:30px}
.consult p{color:#d7e9dc;margin:0}
.footer{background:var(--deep);color:#d8e6dc;padding:58px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:35px}
.footer .logo{color:#fff}
.footer p{font-size:14px;color:#b8cbbf;max-width:280px;margin-top:18px}
.footer h3{font-size:15px;color:var(--lime);margin:4px 0 15px}
.footer-links,.footer-contact{display:grid;gap:8px;font-size:13px;color:#c0d0c6}
.footer-links a:hover{color:var(--lime)}
.trust{font-size:13px;line-height:2;color:#b6c9bd}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#91a79a;font-size:12px}
@media(max-width:1100px){
.nav-links{gap:11px;font-size:13px}.nav-cta{display:none}.editor-layout{grid-template-columns:330px 1fr}
}
@media(max-width:768px){
.container{width:min(calc(100% - 32px),var(--container))}
.topbar .container{font-size:12px}.topbar-right{gap:10px}
.main-nav{min-height:66px}.menu-btn{display:block}
.nav-links{display:none;position:absolute;top:100%;left:16px;right:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg);padding:10px 18px;border-radius:0 0 15px 15px;flex-direction:column;align-items:stretch;gap:0}
.nav-links.open{display:flex}.nav-links a{padding:12px 0;min-height:44px}.nav-links a:after{bottom:5px}
.main-nav .nav-cta{display:inline-flex;margin-left:auto;margin-right:0;min-height:42px;padding:8px 12px;font-size:13px}
.page-head{padding:48px 0 42px}.head-row{display:block}
.section{padding:62px 0}.metric-strip{grid-template-columns:repeat(2,1fr)}
.metric{border-bottom:1px solid var(--line)}.metric:nth-child(2){border-right:0}.metric:nth-child(3){border-bottom:0}.metric:nth-child(4){border-right:0;border-bottom:0}
.editor-layout,.data-board{grid-template-columns:1fr}.chart{border-left:0}
.timeline{grid-template-columns:1fr;border-top:0;border-left:2px solid #b8d5c0;margin-left:9px}
.step{padding:0 0 27px 25px!important;border-right:0!important}.step:before{top:0;left:-10px}
.scene-grid{grid-template-columns:1fr 1fr}.scene:first-child{grid-column:1 / -1}
.consult-inner{display:block}.consult .btn{margin-top:20px}
.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}
}
@media(max-width:520px){
.topbar-right{display:none}.logo{font-size:17px}.logo-mark{width:29px;height:29px}
.main-nav .nav-cta{font-size:12px}.section-top{display:block}.section-top p{margin-top:12px}
.metric strong{font-size:23px}.metric{padding:18px 14px}.content-item{grid-template-columns:105px 1fr;gap:13px}.content-item img{width:105px;height:86px}.content-item h3{font-size:16px}.content-item p{font-size:13px}
.scene-grid{grid-template-columns:1fr}.scene:first-child{grid-column:auto}.scene{min-height:160px}
.footer-grid{grid-template-columns:1fr}.footer{padding-top:45px}
}
@media(max-width:375px){
.container{width:calc(100% - 28px)}h1{font-size:32px}.main-nav{gap:8px}.main-nav .nav-cta{padding:8px 9px}.metric{padding:16px 11px}
}