/* roulang page: index */
:root{
  --green:#1f6356;--green-deep:#123c35;--green-soft:#e7f1ed;--orange:#d9824b;
  --orange-dark:#b96636;--cream:#f7f5ef;--paper:#fffdf9;--ink:#1c2a27;
  --muted:#6c7974;--line:#dce5df;--dark:#142522;--radius:18px;
  --shadow:0 18px 45px rgba(25,58,49,.09);--container:1200px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--cream);line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.topbar{height:38px;background:var(--dark);color:#c7d8d1;font-size:13px}
.topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.topbar span+span{margin-left:24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.96);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 5px 20px rgba(20,37,34,.06)}
.navbar{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;color:var(--green-deep);font-size:20px;font-weight:800;white-space:nowrap}
.logo-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--green);position:relative}
.logo-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #f4b37b;border-radius:50%;top:8px;left:9px}
.nav-links{display:flex;align-items:center;justify-content:center;gap:22px;flex:1;font-size:14px;color:#465650}
.nav-links a{padding:10px 2px;position:relative;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;bottom:2px;left:0;width:0;height:2px;background:var(--orange);transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;font-weight:700;font-size:14px;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.btn-outline{border-color:#b7c9c1;color:var(--green);background:transparent}
.btn-outline:hover{border-color:var(--green);background:var(--green-soft)}
.btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(217,130,75,.38);outline-offset:3px}
.menu-toggle{display:none;background:none;color:var(--green);font-size:24px;min-width:44px;height:44px}
.hero{min-height:650px;position:relative;overflow:hidden;background:var(--dark);color:#fff}
.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .6s;background-size:cover;background-position:center}
.hero-slide.active{opacity:1;visibility:visible}
.hero-slide:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,38,33,.94) 0%,rgba(14,38,33,.72) 46%,rgba(14,38,33,.22) 100%)}
.hero-content{position:relative;z-index:2;min-height:650px;display:flex;align-items:center}
.hero-copy{width:min(700px,100%);padding:70px 0}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:#f2b17a;font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:28px;height:1px;background:var(--orange)}
.hero h1{font-size:clamp(36px,5vw,68px);line-height:1.18;letter-spacing:-.04em;margin:20px 0 24px}
.hero p{max-width:650px;color:#d5e1dc;font-size:17px;line-height:1.95}
.hero-actions{display:flex;gap:13px;margin-top:34px}
.hero .btn-outline{border-color:#8aa49b;color:#fff}
.hero-dots{position:absolute;z-index:3;bottom:42px;left:max(24px,calc((100% - var(--container))/2));display:flex;gap:9px}
.hero-dots button{width:35px;height:4px;background:#78918a;border-radius:5px}
.hero-dots button.active{background:var(--orange);width:58px}
.hero-pause{position:absolute;z-index:3;right:24px;bottom:30px;background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:50%;width:42px;height:42px}
.section{padding:108px 0}
.section-head{max-width:730px;margin-bottom:45px}
.section-kicker{color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.08em}
h2{font-size:clamp(28px,3.5vw,44px);line-height:1.28;letter-spacing:-.03em;margin:9px 0 15px;color:var(--green-deep)}
.section-head p{color:var(--muted);font-size:16px}
.intro{background:var(--paper)}
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.intro-image{position:relative;padding:0 0 28px 28px}
.intro-image:before{content:"";position:absolute;left:0;bottom:0;width:70%;height:72%;background:var(--green-soft);z-index:0;border-radius:18px}
.intro-image img{position:relative;z-index:1;height:440px;border-radius:18px;box-shadow:var(--shadow)}
.intro-text p{color:var(--muted);margin-bottom:22px}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:25px}
.feature-list div{border-left:3px solid var(--orange);padding-left:14px;font-size:14px}
.feature-list strong{display:block;color:var(--green-deep);font-size:16px}
.pain{background:#edf3ef}
.pain-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:75px}
.pain-grid .section-head{margin:0}
.issue-list{display:grid;gap:15px}
.issue{display:flex;gap:18px;padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:14px}
.issue-num{color:var(--orange);font-size:20px;font-weight:800}
.issue h3{font-size:18px;margin-bottom:3px}
.issue p,.solution-card p,.advantage p,.product p,.story p,.quote p,.trust p,.faq-answer{color:var(--muted);font-size:14px}
.solution{background:var(--paper)}
.solution-map{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:16px;align-items:center}
.solution-card{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.solution-card.center{background:var(--green-deep);color:#fff;min-height:245px;display:flex;flex-direction:column;justify-content:center}
.solution-card.center p{color:#c6d9d1}
.solution-card h3{font-size:20px;margin:8px 0 7px}
.solution-flow{display:flex;flex-direction:column;gap:14px}
.solution-flow span{padding:12px 15px;border-radius:9px;background:var(--green-soft);color:var(--green-deep);font-size:14px}
.method{background:#f2eee6}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:2px solid #c4d3cb}
.step{position:relative;padding:27px 18px 0}
.step:before{content:"";position:absolute;top:-9px;left:18px;width:15px;height:15px;border-radius:50%;background:var(--orange);border:4px solid #f2eee6}
.step b{display:block;color:var(--green-deep);font-size:17px;margin-bottom:5px}
.step span{display:block;color:var(--muted);font-size:14px}
.advantages{background:var(--paper)}
.adv-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:18px}
.advantage{padding:27px;background:#f3f7f4;border:1px solid var(--line);border-radius:16px;min-height:175px;transition:.2s}
.advantage:first-child{grid-row:span 2;background:var(--green);color:#fff;padding:36px}
.advantage:first-child p{color:#d5e4de}
.advantage:hover,.product:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.icon{font-size:26px;color:var(--orange);margin-bottom:10px}
.advantage h3{font-size:19px;margin-bottom:5px}
.products{background:#eaf1ed}
.product-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:20px;align-items:end}
.product{background:var(--paper);border-radius:18px;overflow:hidden;border:1px solid var(--line);transition:.2s}
.product:nth-child(2){margin-bottom:34px}
.product img{height:205px}
.product-body{padding:24px}
.product h3{font-size:21px;margin:7px 0}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin:15px 0}
.tag{font-size:12px;padding:3px 9px;background:var(--green-soft);color:var(--green);border-radius:6px}
.case{padding:95px 0;background:var(--dark);color:#fff}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.case h2{color:#fff}
.case p{color:#c6d6d0}
.case-panel{border:1px solid #46645b;border-radius:18px;padding:30px;background:#1b3731}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.metric strong{display:block;color:#f2ae77;font-size:32px}
.metric span{font-size:13px;color:#b5c9c1}
.story{background:var(--paper)}
.story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
.story img{height:330px;border-radius:18px}
.story blockquote{font-size:25px;line-height:1.55;color:var(--green-deep);margin:18px 0}
.role{color:var(--orange-dark);font-size:13px;font-weight:800}
.stats{padding:70px 0;background:var(--green);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats strong{display:block;font-size:43px;color:#f3b17c;line-height:1.2}
.stats span{font-size:14px;color:#d4e4de}
.reviews{background:var(--cream)}
.review-track{display:flex;gap:18px;overflow-x:auto;padding:5px 2px 20px;scroll-snap-type:x mandatory}
.quote{min-width:350px;scroll-snap-align:start;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:28px}
.quote-mark{font-size:40px;line-height:1;color:var(--orange)}
.quote h3{font-size:16px;margin-top:18px}
.scenes{background:var(--paper)}
.scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
.scene-main{min-height:300px;padding:35px;border-radius:18px;background:linear-gradient(120deg,#dcebe4,#f7f5ef)}
.scene-main h3{font-size:28px;color:var(--green-deep)}
.scene-main p{max-width:490px;color:var(--muted);margin:14px 0}
.scene-items{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.scene-item{padding:21px;border:1px solid var(--line);border-radius:13px;background:#fff}
.scene-item strong{display:block;color:var(--green-deep)}
.scene-item span{font-size:13px;color:var(--muted)}
.news{background:#f0eee8}
.news-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
.news-list{background:var(--paper);border-radius:16px;border:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:105px 1fr;gap:20px;padding:22px;border-bottom:1px solid var(--line)}
.news-item:last-child{border:0}
.news-date{color:var(--orange-dark);font-size:13px;font-weight:700}
.news-item h3{font-size:17px;margin-bottom:4px}
.news-item p{color:var(--muted);font-size:14px}
.news-aside{padding:30px;background:var(--green-deep);border-radius:16px;color:#fff}
.news-aside h3{font-size:24px;margin-bottom:13px}
.news-aside p{color:#c8d9d2;font-size:14px}
.trust{background:var(--paper)}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.trust-card{padding:25px;border:1px solid var(--line);border-radius:15px}
.trust-card h3{color:var(--green-deep);font-size:18px;margin-bottom:7px}
.faq{background:#edf3ef}
.faq-list{max-width:850px;border-top:1px solid #c5d5cc}
details{border-bottom:1px solid #c5d5cc}
summary{list-style:none;padding:21px 4px;font-weight:700;color:var(--green-deep);cursor:pointer;display:flex;justify-content:space-between}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--orange);font-size:21px}
details[open] summary:after{content:"－"}
.faq-answer{padding:0 35px 22px 4px;max-width:780px}
.cta{padding:90px 0;background:var(--orange);color:#fff}
.cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:start}
.cta h2{color:#fff}.cta p{color:#fff0e5}
.contact-form{background:#fffaf4;padding:28px;border-radius:16px;color:var(--ink);display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field{display:flex;flex-direction:column;gap:5px}.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700}.field input,.field textarea,.field select{border:1px solid #d7ddd7;border-radius:8px;padding:11px 13px;background:#fff;min-height:44px}
.field textarea{min-height:90px;resize:vertical}.contact-form .btn{grid-column:1/-1;width:max-content}
.form-message{grid-column:1/-1;font-size:13px;color:var(--green);display:none}
.site-footer{background:#122722;color:#b9cbc4;padding:52px 0 25px;font-size:13px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px;border-bottom:1px solid #395149}
.site-footer .logo{color:#fff;margin-bottom:15px}.footer-title{color:#fff;font-weight:700;margin-bottom:12px;font-size:15px}
.footer-links{display:grid;gap:7px}.footer-links a:hover{color:#f1ad77}
.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:21px;color:#8fa59c}
@media(max-width:1024px){.nav-links{gap:12px}.navbar{gap:15px}.intro-grid,.pain-grid,.case-grid,.story-grid{gap:35px}.adv-grid{grid-template-columns:1fr 1fr}.advantage:first-child{grid-row:auto;grid-column:span 2}.product-grid{grid-template-columns:1fr 1fr}.product:nth-child(2){margin-bottom:0}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
@media(max-width:768px){.topbar{height:auto;padding:7px 0}.topbar .container{display:block;text-align:center}.topbar span+span{margin-left:12px}.navbar{height:68px}.menu-toggle{display:block;margin-left:auto}.nav-links{position:absolute;top:68px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;background:var(--paper);padding:12px 24px;border-bottom:1px solid var(--line);box-shadow:0 12px 22px rgba(20,37,34,.08)}.nav-links.open{display:flex}.nav-links a{padding:12px 0}.navbar>.btn{display:none}.hero,.hero-content{min-height:600px}.hero p{font-size:15px}.section{padding:75px 0}.intro-grid,.pain-grid,.case-grid,.story-grid,.scene-grid,.news-grid,.cta-grid{grid-template-columns:1fr}.intro-image{order:2}.timeline{grid-template-columns:1fr;gap:20px;border-top:0;border-left:2px solid #c4d3cb;margin-left:10px}.step{padding:0 0 0 25px}.step:before{left:-9px;top:4px}.stats-grid{grid-template-columns:1fr 1fr}.trust-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.cta-grid{gap:30px}}
@media(max-width:520px){.container{width:min(100% - 32px,var(--container))}.logo{font-size:17px}.logo-mark{width:31px;height:31px}.hero h1{font-size:36px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{width:100%}.feature-list,.adv-grid,.product-grid,.scene-items,.trust-grid{grid-template-columns:1fr}.advantage:first-child{grid-column:auto}.intro-image img{height:300px}.product img{height:180px}.metric-row{grid-template-columns:1fr}.stats strong{font-size:32px}.stats-grid{gap:25px}.news-item{grid-template-columns:1fr;gap:4px}.contact-form{grid-template-columns:1fr;padding:20px}.field.full,.contact-form .btn,.form-message{grid-column:auto;width:100%}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}.quote{min-width:285px}}

/* roulang page: category1 */
:root{
 --green:#1f6356;--green-deep:#123c35;--green-soft:#e7f1ed;--orange:#d9824b;
 --orange-dark:#b96636;--cream:#f7f5ef;--paper:#fffdf9;--ink:#1c2a27;
 --muted:#6c7974;--line:#dce5df;--dark:#142522;--radius:18px;
 --shadow:0 18px 45px rgba(25,58,49,.09);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--cream);line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
h1,h2,h3,p{margin-top:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.topbar{height:38px;background:var(--dark);color:#c7d8d1;font-size:13px}
.topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.topbar span+span{margin-left:24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.97);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 5px 20px rgba(20,37,34,.06)}
.navbar{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;color:var(--green-deep);font-size:20px;font-weight:800;white-space:nowrap}
.logo-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--green);position:relative}
.logo-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #f4b37b;border-radius:50%;top:8px;left:9px}
.nav-links{display:flex;align-items:center;justify-content:center;gap:22px;flex:1;font-size:14px;color:#465650}
.nav-links a{padding:10px 2px;position:relative;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;bottom:2px;left:0;width:0;height:2px;background:var(--orange);transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;font-weight:700;font-size:14px;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.btn-outline{border-color:#b7c9c1;color:var(--green);background:transparent}
.btn-outline:hover{border-color:var(--green);background:var(--green-soft)}
.btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(217,130,75,.38);outline-offset:3px}
.menu-toggle{display:none;background:none;color:var(--green);font-size:24px;min-width:44px;height:44px}
.page-banner{min-height:390px;display:flex;align-items:center;color:#fff;background:#163d36 url("/assets/images/backpic/back-4.webp") center/cover;position:relative}
.page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,38,33,.94),rgba(14,38,33,.58))}
.banner-inner{position:relative;width:100%;padding:72px 0}
.breadcrumb{font-size:13px;color:#c6d8d1;margin-bottom:24px}
.breadcrumb a:hover{color:#f3b17a}
.page-banner h1{font-size:clamp(34px,5vw,58px);line-height:1.25;letter-spacing:-.04em;margin:0 0 18px;max-width:780px}
.page-banner p{font-size:17px;color:#d6e3de;max-width:760px;margin:0}
.section{padding:96px 0}
.section.paper{background:var(--paper)}
.section-head{max-width:760px;margin-bottom:38px}
.section-kicker{color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.08em}
.section h2{font-size:clamp(28px,3.5vw,42px);line-height:1.3;margin:10px 0 14px;color:var(--green-deep)}
.section-head p{color:var(--muted);font-size:16px}
.intro-strip{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:stretch}
.intro-copy,.indicator-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.intro-copy p{color:var(--muted);margin-bottom:0}
.indicator-panel{background:var(--green-soft);display:grid;grid-template-columns:1fr 1fr;gap:20px}
.indicator strong{display:block;font-size:30px;color:var(--green-deep);line-height:1.2}
.indicator span{font-size:13px;color:var(--muted)}
.solution-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.solution-card{grid-column:span 4;min-height:260px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s;position:relative;overflow:hidden}
.solution-card.wide{grid-column:span 8;background:var(--green-deep);color:#fff}
.solution-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b7cec4}
.solution-card h3{font-size:21px;margin:14px 0 8px}
.solution-card p{font-size:14px;color:var(--muted);margin-bottom:18px}
.solution-card.wide p{color:#cbdcd6}
.card-icon{width:42px;height:42px;border-radius:12px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-size:21px;font-weight:800}
.wide .card-icon{background:#2b7062;color:#f5b47e}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.tag{font-size:12px;padding:3px 9px;background:var(--green-soft);color:var(--green);border-radius:6px}
.wide .tag{background:rgba(255,255,255,.12);color:#e9f1ed}
.matrix{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.matrix-item{padding:25px;background:#f1f6f3;border-radius:14px;border-left:4px solid var(--green)}
.matrix-item:nth-child(2n){border-left-color:var(--orange);background:#fbf2eb}
.matrix-item h3{font-size:19px;color:var(--green-deep);margin-bottom:7px}
.matrix-item p{font-size:14px;color:var(--muted);margin:0}
.trust-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:start}
.trust-note{padding:30px;background:var(--green);color:#fff;border-radius:var(--radius)}
.trust-note h3{font-size:24px;margin-bottom:10px}
.trust-note p{color:#d4e5df;font-size:14px}
.info-table{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.info-row{display:grid;grid-template-columns:180px 1fr;padding:17px 22px;border-bottom:1px solid var(--line);font-size:14px}
.info-row:last-child{border-bottom:0}
.info-row strong{color:var(--green-deep)}
.info-row span{color:var(--muted)}
.faq-list{max-width:850px}
details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px}
summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;color:var(--green-deep);position:relative;padding-right:50px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:22px;font-size:22px;color:var(--orange);top:13px}
details[open] summary:after{content:"−"}
.faq-answer{padding:0 22px 20px;margin:0;max-width:760px}
.more-row{text-align:center;padding-top:32px}
.cta{background:var(--green-deep);color:#fff;padding:70px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{color:#fff;margin:0 0 10px;font-size:clamp(27px,3vw,38px)}
.cta p{color:#c9dbd4;margin:0;max-width:650px}
.site-footer{background:#10221f;color:#c9d8d2;padding:65px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:35px}
.site-footer .logo{color:#fff;margin-bottom:16px}
.site-footer p{font-size:14px;color:#9fb5ac;max-width:260px}
.footer-title{font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{display:grid;gap:8px;font-size:13px;color:#a8bbb4}
.footer-links a:hover{color:#f2ad78}
.copyright{border-top:1px solid rgba(220,229,223,.15);margin-top:44px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#81978f}
@media(max-width:1024px){
 .navbar{gap:16px}.nav-links{gap:12px;font-size:13px}
 .solution-card{grid-column:span 6}.solution-card.wide{grid-column:span 12}
 .trust-layout{gap:28px}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 36px))}
 .topbar{height:auto;min-height:38px}.topbar .container{padding:7px 0;display:block}.topbar span{display:block}.topbar span+span{margin:2px 0 0}
 .navbar{height:70px}.menu-toggle{display:block;margin-left:auto}
 .navbar>.btn-primary{display:none}
 .nav-links{position:absolute;top:108px;left:0;right:0;display:none;background:var(--cream);border-bottom:1px solid var(--line);padding:12px 18px;box-shadow:0 12px 20px rgba(20,37,34,.08);align-items:stretch;flex-direction:column;gap:0}
 .nav-links.open{display:flex}.nav-links a{padding:13px 8px;border-bottom:1px solid var(--line)}
 .page-banner{min-height:350px}.banner-inner{padding:55px 0}
 .section{padding:70px 0}.intro-strip,.trust-layout,.matrix{grid-template-columns:1fr}
 .solution-grid{display:grid;grid-template-columns:1fr}.solution-card,.solution-card.wide{grid-column:auto}
 .cta-inner{display:block}.cta .btn{margin-top:24px}
 .copyright{display:block}.copyright span{display:block;margin-top:7px}
}
@media(max-width:480px){
 .container{width:calc(100% - 30px)}.logo{font-size:17px}.logo-mark{width:32px;height:32px}
 .page-banner h1{font-size:34px}.page-banner p{font-size:15px}
 .intro-copy,.indicator-panel{padding:24px}.indicator strong{font-size:25px}
 .section h2{font-size:29px}.solution-card{min-height:0;padding:23px}
 .info-row{display:block;padding:15px 18px}.info-row strong{display:block;margin-bottom:3px}
 .footer-grid{grid-template-columns:1fr;gap:25px}
}

/* roulang page: category2 */
:root{
 --green:#1f6356;--green-deep:#123c35;--green-soft:#e7f1ed;--orange:#d9824b;
 --orange-dark:#b96636;--cream:#f7f5ef;--paper:#fffdf9;--ink:#1c2a27;
 --muted:#6c7974;--line:#dce5df;--dark:#142522;--radius:18px;
 --shadow:0 18px 45px rgba(25,58,49,.09);--container:1200px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--cream);line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.topbar{height:38px;background:var(--dark);color:#c7d8d1;font-size:13px}
.topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.topbar span+span{margin-left:24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.97);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 5px 20px rgba(20,37,34,.06)}
.navbar{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;color:var(--green-deep);font-size:20px;font-weight:800;white-space:nowrap}
.logo-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--green);position:relative}
.logo-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #f4b37b;border-radius:50%;top:8px;left:9px}
.nav-links{display:flex;align-items:center;justify-content:center;gap:22px;flex:1;font-size:14px;color:#465650}
.nav-links a{padding:10px 2px;position:relative;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;bottom:2px;left:0;width:0;height:2px;background:var(--orange);transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;font-weight:700;font-size:14px;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.btn-outline{border-color:#b7c9c1;color:var(--green);background:transparent}
.btn-outline:hover{border-color:var(--green);background:var(--green-soft)}
.btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(217,130,75,.38);outline-offset:3px}
.menu-toggle{display:none;background:none;color:var(--green);font-size:24px;min-width:44px;height:44px}
.page-hero{position:relative;min-height:390px;overflow:hidden;background:var(--green-deep);color:#fff}
.page-hero:after{content:"";position:absolute;right:-8%;top:-35%;width:62%;height:145%;background:var(--green);transform:skewX(-19deg);opacity:.9}
.page-hero .container{position:relative;z-index:1;min-height:390px;display:flex;align-items:center}
.page-hero-copy{max-width:760px;padding:50px 0}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:#f2b17a;font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:28px;height:1px;background:var(--orange)}
.page-hero h1{font-size:clamp(34px,5vw,60px);line-height:1.2;letter-spacing:-.04em;margin:18px 0 17px}
.page-hero p{max-width:700px;color:#d5e1dc;font-size:16px}
.breadcrumb{position:absolute;top:30px;left:24px;color:#bdd0c8;font-size:13px}
.breadcrumb a:hover{color:#fff}
.section{padding:96px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-kicker{color:var(--orange-dark);font-weight:800;font-size:13px;letter-spacing:.08em}
h2{font-size:clamp(28px,3.3vw,42px);line-height:1.3;color:var(--green-deep);margin:9px 0 15px}
h3{line-height:1.4}
.section-head p,.lead{color:var(--muted);font-size:16px}
.guide{background:var(--paper)}
.guide-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:72px;align-items:center}
.guide-image{position:relative;padding:0 0 28px 28px}
.guide-image:before{content:"";position:absolute;left:0;bottom:0;width:72%;height:78%;background:var(--green-soft);border-radius:20px}
.guide-image img{height:360px;position:relative;border-radius:18px;box-shadow:var(--shadow)}
.guide-points{display:grid;gap:17px;margin-top:26px}
.guide-points li{list-style:none;display:flex;gap:14px;align-items:flex-start}
.guide-points b{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:50%;background:var(--orange);color:#fff;font-size:13px;flex:none}
.guide-points strong{display:block;color:var(--green-deep);font-size:16px}
.guide-points span{display:block;color:var(--muted);font-size:14px}
.dispatch-layout{display:grid;grid-template-columns:280px 1fr;gap:55px}
.dispatch-layout .section-head{margin:0}
.dispatch-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.dispatch-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.22s}
.dispatch-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b7cec4}
.icon{width:42px;height:42px;background:var(--green-soft);color:var(--green);display:flex;align-items:center;justify-content:center;border-radius:12px;font-weight:800}
.dispatch-card h3{font-size:19px;margin:15px 0 7px;color:var(--green-deep)}
.dispatch-card p,.matrix td,.trust-item p,.faq-answer{font-size:14px;color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px}
.tag{font-size:12px;padding:3px 9px;background:var(--green-soft);color:var(--green);border-radius:6px}
.timeline-section{background:var(--paper)}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);position:relative;gap:18px}
.timeline:before{content:"";position:absolute;left:7%;right:7%;top:25px;border-top:2px dashed #bed0c8}
.timeline-item{position:relative;z-index:1}
.step-number{width:50px;height:50px;border-radius:50%;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;border:6px solid var(--paper)}
.timeline-item h3{font-size:17px;color:var(--green-deep);margin:20px 0 8px}
.timeline-item p{color:var(--muted);font-size:14px;padding-right:12px}
.matrix-wrap{overflow-x:auto}
.matrix{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.matrix th,.matrix td{text-align:left;padding:18px 20px;border-bottom:1px solid var(--line);vertical-align:top}
.matrix th{background:var(--green-soft);color:var(--green-deep);font-size:15px}
.matrix tr:last-child td{border-bottom:0}
.matrix td:first-child{font-weight:700;color:var(--green-deep);min-width:170px}
.trust{background:var(--green-deep);color:#fff}
.trust h2{color:#fff}
.trust .section-head p{color:#c7d8d1}
.trust-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:start}
.trust-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.trust-item{border:1px solid rgba(217,235,226,.18);padding:20px;border-radius:14px;background:rgba(255,255,255,.05)}
.trust-item strong{display:block;color:#fff;margin-bottom:5px}
.trust-item p{color:#bed1c9}
.faq-list{max-width:850px;margin:auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:21px 44px 21px 4px;color:var(--green-deep);font-weight:700;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:8px;font-size:25px;color:var(--orange);font-weight:400}
.faq-item[open] summary:after{content:"−"}
.faq-answer{padding:0 45px 22px 4px;line-height:1.85}
.more-link{text-align:center;margin-top:38px}
.cta-section{padding:80px 0;background:var(--green-soft)}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:42px 48px;box-shadow:var(--shadow)}
.cta-box h2{margin:0 0 8px;font-size:30px}
.cta-box p{color:var(--muted);font-size:14px}
.site-footer{background:var(--dark);color:#c7d8d1;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1.2fr 1fr;gap:35px}
.site-footer .logo{color:#fff;margin-bottom:17px}
.site-footer .logo-mark{background:#2d7969}
.site-footer p{font-size:14px;color:#a9beb6;max-width:260px}
.footer-title{color:#fff;font-weight:700;margin-bottom:14px}
.footer-links{display:grid;gap:8px;font-size:13px;color:#a9beb6}
.footer-links a:hover{color:#f2b17a}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:20px;color:#8fa59d;font-size:12px}
.form-panel{display:none}
@media(max-width:1024px){
 .navbar{gap:16px}.nav-links{gap:13px;font-size:13px}
 .guide-grid,.trust-grid{gap:38px}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 34px))}
 .topbar{height:auto;padding:8px 0}.topbar .container{display:block;font-size:12px}.topbar span+span{margin-left:0;display:block}
 .navbar{height:68px}.menu-toggle{display:block;margin-left:auto}
 .navbar>.btn-primary{display:none}
 .nav-links{display:none;position:absolute;top:106px;left:0;right:0;background:var(--cream);padding:12px 17px 20px;border-bottom:1px solid var(--line);box-shadow:0 15px 25px rgba(20,37,34,.08);flex-direction:column;align-items:stretch;gap:0}
 .nav-links.open{display:flex}.nav-links a{padding:14px 8px;border-bottom:1px solid var(--line)}
 .page-hero,.page-hero .container{min-height:430px}.page-hero:after{right:-35%;width:75%}
 .page-hero-copy{padding-top:65px}.section{padding:70px 0}
 .guide-grid,.dispatch-layout,.trust-grid{grid-template-columns:1fr}
 .guide-image{order:2}.dispatch-list,.trust-list{grid-template-columns:1fr}
 .timeline{grid-template-columns:1fr;gap:24px}.timeline:before{left:24px;top:25px;bottom:25px;border-top:0;border-left:2px dashed #bed0c8}
 .timeline-item{display:grid;grid-template-columns:50px 1fr;column-gap:18px}.timeline-item h3{margin:0 0 5px}.timeline-item p{grid-column:2}
 .matrix{min-width:680px}.cta-box{display:block;padding:30px}.cta-box .btn{margin-top:22px}
 .copyright{display:block}.copyright span{display:block;margin-top:5px}
}
@media(max-width:480px){
 h2{font-size:29px}.page-hero h1{font-size:35px}.page-hero p{font-size:15px}
 .guide-image{padding:0 0 18px 15px}.guide-image img{height:270px}
 .dispatch-card{padding:21px}.footer-grid{grid-template-columns:1fr;gap:25px}
 .btn{width:100%}.breadcrumb{left:17px}
}

/* roulang page: category4 */
:root{
 --green:#1f6356;--green-deep:#123c35;--green-soft:#e7f1ed;--orange:#d9824b;
 --orange-dark:#b96636;--cream:#f7f5ef;--paper:#fffdf9;--ink:#1c2a27;
 --muted:#6c7974;--line:#dce5df;--dark:#142522;--radius:18px;
 --shadow:0 18px 45px rgba(25,58,49,.09);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--cream);line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.topbar{height:38px;background:var(--dark);color:#c7d8d1;font-size:13px}
.topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.topbar span+span{margin-left:24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.97);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 5px 20px rgba(20,37,34,.06)}
.navbar{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;color:var(--green-deep);font-size:20px;font-weight:800;white-space:nowrap}
.logo-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--green);position:relative;flex:none}
.logo-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #f4b37b;border-radius:50%;top:8px;left:9px}
.nav-links{display:flex;align-items:center;justify-content:center;gap:22px;flex:1;font-size:14px;color:#465650}
.nav-links a{padding:10px 2px;position:relative;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;bottom:2px;left:0;width:0;height:2px;background:var(--orange);transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;font-weight:700;font-size:14px;line-height:1.3;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.btn-outline{border-color:#b7c9c1;color:var(--green);background:transparent}
.btn-outline:hover{border-color:var(--green);background:var(--green-soft)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(217,130,75,.38);outline-offset:3px}
.menu-toggle{display:none;background:none;color:var(--green);font-size:24px;min-width:44px;height:44px}
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:82px 0 78px}
.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,60,53,.96),rgba(18,60,53,.77),rgba(18,60,53,.43)),url("/assets/images/backpic/back-6.webp") center/cover}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;gap:10px;align-items:center;color:#c7d8d1;font-size:14px;margin-bottom:24px}
.breadcrumb span{color:#f1b17a}
.page-hero h1{max-width:780px;margin:0;font-size:clamp(34px,5vw,56px);line-height:1.22;letter-spacing:-.035em}
.page-hero p{max-width:760px;margin:20px 0 0;color:#d6e4dd;font-size:17px}
.section{padding:98px 0}
.section-soft{background:var(--paper)}
.section-head{max-width:780px;margin-bottom:38px}
.section-kicker{display:block;color:var(--orange-dark);font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:9px}
h2{margin:0 0 14px;color:var(--green-deep);font-size:clamp(26px,3.4vw,38px);line-height:1.3;letter-spacing:-.025em}
h3{line-height:1.45}
.section-head p,.lead-copy,.card p,.safe-list p,.faq-answer{color:var(--muted);font-size:15px}
.guide-panel{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:stretch;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow)}
.guide-copy{padding:38px 42px}
.guide-copy h2{font-size:30px}
.guide-image{min-height:280px}
.guide-image img{height:100%}
.chip-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}
.chip{padding:6px 11px;border-radius:7px;background:var(--green-soft);color:var(--green);font-size:13px;font-weight:700}
.data-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.data-flow:before{content:"";position:absolute;top:44px;left:10%;right:10%;height:1px;background:#c3d7cf}
.flow-item{position:relative;z-index:1;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:23px 20px;min-height:202px;transition:.22s}
.flow-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#a8c5b9}
.flow-number{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--green);color:#fff;font-weight:800;margin-bottom:20px}
.flow-item h3{font-size:18px;margin:0 0 7px}
.flow-item p{font-size:14px;color:var(--muted);margin:0}
.matrix-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.matrix{width:100%;border-collapse:collapse;min-width:720px}
.matrix th,.matrix td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}
.matrix th{background:#edf4f0;color:var(--green-deep);font-size:15px}
.matrix tr:last-child td{border-bottom:0}
.matrix td:first-child{font-weight:800;color:var(--green-deep)}
.status{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:700}
.status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
.security-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:28px}
.security-card{border-radius:var(--radius);padding:34px;background:var(--green-deep);color:#fff}
.security-card h2{color:#fff}
.security-card p{color:#ccddd6}
.security-card ul{list-style:none;padding:0;margin:25px 0 0}
.security-card li{padding:12px 0;border-top:1px solid rgba(255,255,255,.14);font-size:14px}
.security-card li:before{content:"✓";color:#f1b17a;font-weight:800;margin-right:10px}
.safe-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.safe-list article{border:1px solid var(--line);background:#fff;padding:22px;border-radius:14px}
.safe-list strong{display:block;color:var(--green-deep);font-size:17px;margin-bottom:6px}
.safe-list p{margin:0}
.faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:65px;align-items:start}
.faq-layout .section-head{position:sticky;top:135px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;position:relative;padding:20px 48px 20px 0;font-weight:800;color:var(--green-deep);cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:4px;top:14px;width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:var(--green-soft);color:var(--green);font-size:22px;font-weight:400;transition:.2s}
.faq-item[open] summary:after{content:"−";background:var(--green);color:#fff}
.faq-answer{padding:0 45px 20px 0;margin:0}
.more-row{display:flex;justify-content:center;padding-top:32px}
.more-row .btn{min-width:180px}
.cta{padding:76px 0;background:var(--dark);color:#fff}
.cta-box{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.cta h2{color:#fff;margin-bottom:12px}
.cta p{color:#c6d8d1;margin:0;max-width:670px}
.cta-actions{display:flex;justify-content:flex-end;gap:12px}
.cta .btn-outline{color:#fff;border-color:#829d94}
.site-footer{background:#10211e;color:#c3d3cd;padding:62px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr 1fr 1fr;gap:38px}
.site-footer .logo{color:#fff;font-size:19px}
.site-footer p{font-size:14px;max-width:280px;color:#adc3ba}
.footer-title{font-size:14px;color:#f5f7f4;font-weight:800;margin-bottom:14px}
.footer-links{display:grid;gap:8px;font-size:13px}
.footer-links a:hover{color:#f1b17a}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8ea69d}
@media(max-width:1024px){
 .navbar{gap:18px}.nav-links{gap:14px;font-size:13px}.navbar>.btn{padding:0 14px}
 .data-flow{grid-template-columns:1fr 1fr}.data-flow:before{display:none}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .topbar{height:auto;padding:8px 0;font-size:12px}.topbar .container{display:block}.topbar span{display:block}.topbar span+span{margin:1px 0 0}
 .navbar{height:68px;gap:10px;justify-content:space-between}.logo{font-size:17px}.logo-mark{width:31px;height:31px}.logo-mark:after{transform:scale(.85);transform-origin:center}
 .menu-toggle{display:block;order:2}.navbar>.btn{order:3;min-height:42px;padding:0 11px;font-size:12px}
 .nav-links{display:none;position:absolute;top:100%;left:0;right:0;padding:12px 16px 18px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:0 14px 28px rgba(20,37,34,.08)}
 .nav-links.open{display:grid}.nav-links a{padding:12px 4px;font-size:15px}
 .page-hero{padding:60px 0}.page-hero p{font-size:15px}
 .section{padding:68px 0}.guide-panel,.security-grid,.faq-layout,.cta-box{grid-template-columns:1fr;gap:24px}
 .guide-copy{padding:29px 25px}.guide-image{min-height:220px}
 .faq-layout .section-head{position:static}.cta-actions{justify-content:flex-start}
 .safe-list{grid-template-columns:1fr}.copyright{display:grid}
}
@media(max-width:520px){
 .navbar>.btn{display:none}.page-hero h1{font-size:34px}.section-head{margin-bottom:28px}
 .data-flow{grid-template-columns:1fr}.flow-item{min-height:auto}.matrix-wrap{margin-right:-16px;border-radius:14px}
 .footer-grid{grid-template-columns:1fr;gap:27px}.cta{padding:58px 0}.cta-actions{display:grid}.cta-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
 --green:#1f6356;--green-deep:#123c35;--green-soft:#e7f1ed;--orange:#d9824b;
 --orange-dark:#b96636;--cream:#f7f5ef;--paper:#fffdf9;--ink:#1c2a27;
 --muted:#6c7974;--line:#dce5df;--dark:#142522;--radius:18px;
 --shadow:0 18px 45px rgba(25,58,49,.09);--container:1200px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--cream);line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.topbar{height:38px;background:var(--dark);color:#c7d8d1;font-size:13px}
.topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.97);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 5px 20px rgba(20,37,34,.06)}
.navbar{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:11px;color:var(--green-deep);font-size:20px;font-weight:800;white-space:nowrap}
.logo-mark{width:35px;height:35px;border-radius:11px 11px 11px 4px;background:var(--green);position:relative}
.logo-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #f4b37b;border-radius:50%;top:8px;left:9px}
.nav-links{display:flex;align-items:center;justify-content:center;gap:22px;flex:1;font-size:14px;color:#465650}
.nav-links a{padding:10px 2px;position:relative;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;bottom:2px;left:0;width:0;height:2px;background:var(--orange);transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:10px;font-weight:700;font-size:14px;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.btn-outline{border-color:#b7c9c1;color:var(--green);background:transparent}
.btn-outline:hover{border-color:var(--green);background:var(--green-soft)}
.btn:focus-visible,.nav-links a:focus-visible,.menu-toggle:focus-visible,summary:focus-visible{outline:3px solid rgba(217,130,75,.38);outline-offset:3px}
.menu-toggle{display:none;background:none;color:var(--green);font-size:24px;min-width:44px;height:44px}
.page-banner{background:var(--dark);color:#fff;padding:78px 0 82px;position:relative;overflow:hidden}
.page-banner:after{content:"";position:absolute;right:-10%;top:-55%;width:55%;height:220%;background:url('/assets/images/backpic/back-6.webp') center/cover;opacity:.2;transform:rotate(8deg)}
.banner-inner{position:relative;z-index:1;max-width:820px}
.breadcrumb{font-size:13px;color:#a9c1b8;margin-bottom:23px}
.breadcrumb a:hover{color:#fff}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#d9824b;font-size:13px;font-weight:800;letter-spacing:.06em}
.eyebrow:before,.section-kicker:before{content:"";width:25px;height:1px;background:var(--orange)}
.page-banner h1{font-size:clamp(35px,5vw, sixty);font-size:clamp(35px,5vw,62px);line-height:1.2;letter-spacing:-.04em;margin:15px 0 18px}
.page-banner p{color:#d5e1dc;font-size:17px;max-width:730px;margin:0}
.section{padding:100px 0}
.section-head{max-width:760px;margin-bottom:42px}
.section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.3;margin:10px 0 15px;color:var(--green-deep)}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.intro-strip{display:grid;grid-template-columns:1.15fr .85fr;gap:45px;align-items:center}
.intro-strip img{height:300px;border-radius:var(--radius);box-shadow:var(--shadow)}
.metric-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
.metric-tags span,.tag{font-size:12px;padding:5px 11px;background:var(--green-soft);color:var(--green);border-radius:7px}
.app-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.app-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:0;overflow:hidden;transition:.25s}
.app-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#b8d0c5}
.app-card img{height:220px}
.app-card-body{padding:25px 27px 28px}
.app-card h3{font-size:22px;margin:0 0 8px;color:var(--green-deep)}
.app-card p{color:var(--muted);font-size:14px;margin:0 0 17px}
.app-card .label{font-size:12px;color:var(--orange-dark);font-weight:800}
.function-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px;align-items:start}
.function-note{background:var(--green-deep);color:#fff;border-radius:var(--radius);padding:32px;position:sticky;top:140px}
.function-note h3{font-size:25px;margin:0 0 12px}
.function-note p{color:#c8d9d2;font-size:14px}
.function-table{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.function-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;padding:20px 24px;border-bottom:1px solid var(--line);font-size:14px}
.function-row:last-child{border-bottom:0}
.function-row.head{background:var(--green-soft);font-weight:800;color:var(--green-deep)}
.function-row span:not(:first-child){color:var(--muted)}
.trust{background:var(--paper)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.trust-item{border-left:3px solid var(--orange);padding:8px 17px}
.trust-item strong{display:block;font-size:19px;color:var(--green-deep)}
.trust-item span{font-size:13px;color:var(--muted)}
.faq-list{max-width:860px;border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{list-style:none;cursor:pointer;font-weight:800;color:var(--green-deep);font-size:17px;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";font-size:24px;font-weight:400;color:var(--orange)}
details[open] summary:after{content:"−"}
.faq-answer{max-width:760px;padding:12px 35px 2px 0}
.more-link{margin-top:32px}
.cta{background:var(--green);color:#fff;padding:70px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:clamp(26px,3vw,40px);line-height:1.35;margin:0 0 10px}
.cta p{color:#d2e1db;margin:0;max-width:660px}
.cta .btn-outline{border-color:#a6c1b6;color:#fff}
.site-footer{background:var(--dark);color:#c7d8d1;padding:60px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.15fr 1fr;gap:35px}
.site-footer .logo{color:#fff;margin-bottom:15px}
.site-footer p{color:#9eb6ad;font-size:14px;max-width:280px}
.footer-title{font-weight:800;color:#fff;margin-bottom:15px}
.footer-links{display:grid;gap:7px;color:#9eb6ad;font-size:13px}
.footer-links a:hover{color:#f2b17a}
.copyright{border-top:1px solid rgba(199,216,209,.16);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#86a097;font-size:12px}
@media(max-width:1024px){
 .nav-links{gap:12px}.navbar{gap:16px}.navbar>.btn{padding:0 14px}
 .function-layout{gap:28px}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 36px))}
 .topbar{height:auto;padding:8px 0}.topbar .container{display:block;font-size:11px}.topbar span+span{margin-left:12px}
 .navbar{height:68px}.menu-toggle{display:block;order:2;margin-left:auto}.navbar>.btn{order:3;min-height:42px;padding:0 12px;font-size:12px}
 .nav-links{position:absolute;top:106px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:0 12px 20px rgba(20,37,34,.08);padding:8px 18px}
 .nav-links.open{display:flex}.nav-links a{padding:13px 4px}
 .page-banner{padding:55px 0 60px}.section{padding:72px 0}
 .intro-strip,.function-layout{grid-template-columns:1fr}.intro-strip img{height:250px}.function-note{position:static}
 .app-grid{grid-template-columns:1fr}.trust-grid{grid-template-columns:1fr 1fr}
 .function-row{grid-template-columns:1fr;gap:3px;padding:16px 19px}.function-row.head{display:none}
 .function-row span:first-child{font-weight:800;color:var(--green-deep)}
 .cta-inner{display:block}.cta .btn{margin-top:25px}
}
@media(max-width:480px){
 .container{width:calc(100% - 30px)}.topbar span+span{display:block;margin:2px 0 0}
 .navbar>.btn{display:none}.page-banner h1{font-size:36px}.page-banner p{font-size:15px}
 .section-head h2{font-size:29px}.app-card img{height:190px}.trust-grid{grid-template-columns:1fr}
 .copyright{display:block}.copyright span{display:block;margin-top:6px}
}