/* roulang page: index */
:root{--ink:#28312d;--muted:#68736c;--paper:#f7f6f1;--panel:#fff;--line:#e3e5dc;--green:#657c58;--deep:#3e5744;--clay:#bd795c;--soft:#e9eee5;--radius:20px;--shadow:0 16px 40px rgba(46,57,47,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none;transition:.25s}a:hover{color:var(--green)}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}.container{max-width:1180px;margin:auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:20;background:rgba(247,246,241,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap}.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:16px}.brand small{display:block;color:var(--muted);font-size:10px;font-weight:500}.nav-links{display:flex;gap:22px;margin-left:auto}.nav-links a{font-size:14px;color:var(--muted);padding:25px 0;border-bottom:2px solid transparent}.nav-links a.active,.nav-links a:hover{color:var(--deep);border-color:var(--green)}.search{display:flex;align-items:center;border:1px solid var(--line);background:#fff;border-radius:12px;padding:5px 10px}.search input{border:0;outline:0;width:110px;font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:12px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:.25s}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--deep);color:#fff;transform:translateY(-2px)}.btn-outline{border-color:var(--green);color:var(--deep);background:transparent}.btn-outline:hover{background:var(--soft)}.hero{padding:72px 0 38px;background:linear-gradient(90deg,rgba(247,246,241,.98),rgba(247,246,241,.78)),url('/images/sd/backpic/back-1.jpg') center/cover}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.eyebrow,.tag{display:inline-block;color:var(--green);font-size:12px;font-weight:800;letter-spacing:1px;text-transform:uppercase}.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-2px;margin:16px 0 22px;max-width:670px}.hero p{font-size:17px;color:var(--muted);max-width:650px}.actions{display:flex;gap:12px;margin:28px 0 22px;flex-wrap:wrap}.hero-note{display:flex;gap:22px;color:var(--muted);font-size:13px}.hero-note strong{display:block;color:var(--ink);font-size:22px}.dashboard{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:var(--shadow);transform:rotate(1deg)}.dash-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.status{color:#638356;background:#edf3e9;border-radius:20px;padding:4px 10px;font-size:12px}.dash-line{height:110px;border-radius:16px;background:linear-gradient(145deg,#edf2e9,#fafaf5);position:relative;overflow:hidden}.dash-line:after{content:"";position:absolute;inset:35px 18px 20px;background:linear-gradient(150deg,transparent 45%,var(--green) 46%,var(--green) 48%,transparent 49%),linear-gradient(25deg,transparent 56%,var(--clay) 57%,var(--clay) 59%,transparent 60%)}.dash-items{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.dash-item{padding:13px;background:var(--soft);border-radius:13px;font-size:12px;color:var(--muted)}.dash-item b{display:block;color:var(--ink);font-size:20px}.metrics{padding:24px 0 72px}.metric-row{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:18px;overflow:hidden}.metric{padding:22px 24px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric b{font-size:28px}.metric span{display:block;color:var(--muted);font-size:13px}.trend{color:var(--green);font-size:12px}.section{padding:72px 0}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px;gap:20px}.section-head h2{font-size:32px;line-height:1.25;margin:0}.section-head p{max-width:590px;color:var(--muted);margin:0}.matrix{display:grid;grid-template-columns:1.3fr .7fr .8fr;grid-template-rows:auto auto;gap:16px}.feature-card,.small-card,.compare,.info-card,.faq-item,.form-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 24px rgba(46,57,47,.04)}.feature-card{grid-row:span 2;background:var(--deep);color:#fff;min-height:330px}.feature-card p,.feature-card .tag{color:#dbe5d8}.small-card:hover,.feature-card:hover,.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card-icon{font-size:25px;color:var(--clay);margin-bottom:22px}.card-title{font-size:20px;font-weight:800;margin:7px 0}.small-card p,.feature-card p,.info-card p{color:var(--muted);font-size:14px}.feature-card p{color:#dce5dd}.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare{position:relative}.compare.good{background:var(--soft);border-color:#cbd8c5}.compare h3{margin:8px 0}.compare ul{margin:15px 0 0;padding-left:18px;color:var(--muted)}.latest{background:#ebece5}.info-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.info-list{background:#fff;border-radius:var(--radius);border:1px solid var(--line)}.info-row{display:flex;gap:18px;padding:20px;border-bottom:1px solid var(--line)}.info-row:last-child{border:0}.date{color:var(--clay);font-size:12px;min-width:72px}.info-row h3{font-size:17px;margin:0 0 5px}.info-row p{margin:0;color:var(--muted);font-size:13px}.cover-card{background:url('/images/sd/coverpic/cover-3.webp') center/cover;min-height:280px;border-radius:var(--radius);padding:28px;color:#fff;display:flex;align-items:end;position:relative;overflow:hidden}.cover-card:before{content:"";position:absolute;inset:0;background:linear-gradient(transparent,rgba(35,48,38,.8))}.cover-card div{position:relative}.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:38px}.faq-list{display:grid;gap:10px}.faq-item summary{cursor:pointer;font-weight:700;list-style:none}.faq-item summary:after{content:"＋";float:right;color:var(--green)}.faq-item[open] summary:after{content:"－"}.faq-item p{color:var(--muted);font-size:14px;margin:14px 0 0}.cta{padding:68px 0}.form-panel{background:var(--deep);color:#fff;padding:38px}.form-panel p{color:#dce5dd}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-panel label{font-size:13px;color:#dce5dd}.form-panel input,.form-panel textarea,.form-panel select{width:100%;margin-top:6px;background:#fff;border:0;border-radius:10px;padding:11px;color:var(--ink)}.form-panel textarea{min-height:100px}.full{grid-column:1/-1}.footer{background:#28332c;color:#dfe7df;padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}.footer h3{font-size:15px;margin:0 0 14px}.footer p,.footer a{color:#aebaae;font-size:13px}.footer a{display:block;margin:7px 0}.copyright{border-top:1px solid #435047;margin-top:35px;padding-top:18px;color:#9daa9d;font-size:12px}.mobile-toggle{display:none}
@media(max-width:900px){.nav-links{gap:12px}.search{display:none}.hero-grid,.info-grid,.faq-grid{grid-template-columns:1fr}.matrix{grid-template-columns:1fr 1fr}.feature-card{grid-row:auto}.metric-row{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.container{padding:0 18px}.nav-wrap{height:66px;gap:12px}.brand{font-size:13px}.brand small{display:none}.nav-links{display:none}.mobile-toggle{display:block;margin-left:auto;border:0;background:transparent;font-size:22px}.hero{padding:48px 0 25px}.hero h1{font-size:40px;letter-spacing:-1px}.hero p{font-size:15px}.hero-note{gap:14px}.dashboard{transform:none}.metric-row{grid-template-columns:1fr 1fr}.metric{padding:16px}.metric b{font-size:23px}.section{padding:52px 0}.section-head{display:block}.section-head h2{font-size:27px;margin-bottom:12px}.matrix,.compare-wrap{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}

/* roulang page: article */
:root{--ink:#28312d;--muted:#68736c;--paper:#f7f6f1;--panel:#fff;--line:#e3e5dc;--green:#657c58;--deep:#3e5744;--clay:#bd795c;--soft:#e9eee5;--radius:20px;--shadow:0 16px 40px rgba(46,57,47,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none;transition:.25s}a:hover{color:var(--green)}img{max-width:100%;display:block}button,input{font:inherit}.container{max-width:1180px;margin:auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,246,241,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap}.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--green);color:#fff;display:grid;place-items:center}.brand small{display:block;color:var(--muted);font-size:10px;font-weight:500}.nav-links{display:flex;gap:18px;margin-left:auto}.nav-links a{font-size:14px;color:var(--muted);padding:25px 0;border-bottom:2px solid transparent}.nav-links a.active,.nav-links a:hover{color:var(--deep);border-color:var(--green)}.search{display:flex;align-items:center;border:1px solid var(--line);background:#fff;border-radius:12px;padding:5px 10px}.search input{border:0;outline:0;width:110px;font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:12px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--deep);color:#fff;transform:translateY(-2px)}.btn-outline{border-color:var(--green);color:var(--deep)}.mobile-toggle{display:none;border:0;background:none;font-size:22px}
.article-hero{padding:72px 0 54px;background:linear-gradient(90deg,rgba(247,246,241,.98),rgba(247,246,241,.8)),url('/images/sd/backpic/back-2.webp') center/cover}.crumbs{font-size:13px;color:var(--muted);margin-bottom:22px}.crumbs a{color:var(--green)}.article-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.25;letter-spacing:-1px;max-width:850px;margin:0 0 20px}.article-summary{max-width:760px;color:var(--muted);font-size:17px}.article-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:24px}.tag{display:inline-block;padding:4px 11px;border-radius:99px;background:var(--soft);color:var(--green);font-size:12px;font-weight:700}
.article-layout{display:grid;grid-template-columns:minmax(0,780px) 270px;gap:42px;padding:64px 0}.article-body{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(25px,5vw,58px);box-shadow:0 8px 24px rgba(46,57,47,.04);font-size:16px}.article-body h2{font-size:29px;line-height:1.35;margin:34px 0 14px;color:var(--deep)}.article-body h3{font-size:21px;margin:28px 0 10px}.article-body p{margin:0 0 20px}.article-body ul,.article-body ol{padding-left:24px;margin-bottom:22px}.article-body li{margin:7px 0}.article-body blockquote{margin:26px 0;padding:18px 22px;border-left:4px solid var(--clay);background:#faf5ef;color:var(--muted);border-radius:0 12px 12px 0}.article-body img{border-radius:14px;margin:26px auto}.article-body table{width:100%;border-collapse:collapse;margin:25px 0}.article-body td,.article-body th{border:1px solid var(--line);padding:10px;text-align:left}.article-side{display:grid;align-content:start;gap:16px}.side-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.side-card h3{font-size:17px;margin:0 0 12px}.side-card p{font-size:13px;color:var(--muted);margin:0}.side-link{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.side-link:last-child{border:0}
.article-end{display:flex;justify-content:space-between;gap:14px;margin-top:30px;padding-top:25px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}.cta{padding:10px 0 72px}.cta-panel{background:var(--deep);color:#fff;border-radius:var(--radius);padding:38px;display:flex;justify-content:space-between;align-items:center;gap:24px}.cta-panel p{color:#dce5dd;margin:7px 0 0}.footer{background:#28332c;color:#dfe7df;padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}.footer h3{font-size:15px;margin:0 0 14px}.footer p,.footer a{color:#aebaae;font-size:13px}.footer a{display:block;margin:7px 0}.copyright{border-top:1px solid #435047;margin-top:35px;padding-top:18px;color:#9daa9d;font-size:12px}
@media(max-width:900px){.search{display:none}.nav-links{gap:12px}.article-layout{grid-template-columns:1fr}.article-side{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.container{padding:0 18px}.nav-wrap{height:66px;gap:12px}.brand{font-size:13px}.brand small{display:none}.nav-links{display:none}.mobile-toggle{display:block;margin-left:auto}.article-hero{padding:48px 0 38px}.article-hero h1{font-size:36px}.article-summary{font-size:15px}.article-layout{padding:38px 0}.article-body{padding:25px 20px;font-size:15px}.article-body h2{font-size:25px}.article-side{grid-template-columns:1fr}.article-end,.cta-panel{display:block}.cta-panel .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}

/* roulang page: category1 */
:root{--ink:#28312d;--muted:#68736c;--paper:#f7f6f1;--panel:#fff;--line:#e3e5dc;--green:#657c58;--deep:#3e5744;--clay:#bd795c;--soft:#e9eee5;--radius:20px;--shadow:0 16px 40px rgba(46,57,47,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none;transition:.25s}a:hover{color:var(--green)}img{max-width:100%;display:block}button,input{font:inherit}.container{max-width:1180px;margin:auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,246,241,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap}.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--green);color:#fff;display:grid;place-items:center}.brand small{display:block;color:var(--muted);font-size:10px;font-weight:500}.nav-links{display:flex;gap:22px;margin-left:auto}.nav-links a{font-size:14px;color:var(--muted);padding:25px 0;border-bottom:2px solid transparent}.nav-links a.active,.nav-links a:hover{color:var(--deep);border-color:var(--green)}.search{display:flex;align-items:center;border:1px solid var(--line);background:#fff;border-radius:12px;padding:5px 10px}.search input{border:0;outline:0;width:100px;font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:12px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--deep);color:#fff;transform:translateY(-2px)}.btn-outline{border-color:var(--green);color:var(--deep)}.btn-outline:hover{background:var(--soft)}
.hero{padding:78px 0 68px;background:linear-gradient(90deg,rgba(247,246,241,.96),rgba(247,246,241,.78)),url('/images/sd/backpic/back-4.jpg') center/cover}.hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:65px;align-items:center}.eyebrow,.tag{color:var(--green);font-size:12px;font-weight:800;letter-spacing:1px}.hero h1{font-size:clamp(38px,5vw,62px);line-height:1.2;letter-spacing:-2px;margin:16px 0}.hero p{font-size:17px;color:var(--muted);max-width:650px}.actions{display:flex;gap:12px;margin-top:28px}.hero-card{background:var(--deep);color:#fff;border-radius:24px;padding:14px;box-shadow:var(--shadow);transform:rotate(1deg)}.hero-card img{height:230px;width:100%;object-fit:cover;border-radius:16px}.hero-card-body{padding:18px 8px 8px}.hero-card-body p{color:#dbe5d8;font-size:14px}.section{padding:76px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-head h2{font-size:32px;line-height:1.25;margin:0}.section-head p{max-width:600px;color:var(--muted);margin:0}.matrix{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 24px rgba(46,57,47,.04);transition:.25s}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.large-card{grid-row:span 2;background:var(--deep);color:#fff;min-height:310px}.large-card p{color:#dce5dd}.icon{font-size:27px;color:var(--clay);margin-bottom:18px}.card h3{margin:5px 0 10px;font-size:21px}.card p{color:var(--muted);font-size:14px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-grid .card:nth-child(2){margin-top:35px}.feature-grid .card:nth-child(3){margin-top:70px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:25px 18px;border-right:1px solid var(--line)}.step:last-child{border:0}.step b{color:var(--clay);font-size:25px}.step h3{font-size:17px}.step p{font-size:13px;color:var(--muted)}.faq-list{display:grid;gap:10px;max-width:850px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 22px}.faq-item summary{cursor:pointer;font-weight:700}.faq-item p{color:var(--muted);font-size:14px;margin:12px 0 0}.cta{background:var(--soft);padding:58px 0}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0;font-size:30px}.cta p{color:var(--muted)}.footer{background:#28332c;color:#dfe7df;padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}.footer h3{font-size:15px;margin:0 0 14px}.footer p,.footer a{color:#aebaae;font-size:13px}.footer a{display:block;margin:7px 0}.copyright{border-top:1px solid #435047;margin-top:35px;padding-top:18px;color:#9daa9d;font-size:12px}.mobile-toggle{display:none}
@media(max-width:900px){.hero-grid,.matrix{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.nav-links{gap:12px}.search{display:none}}
@media(max-width:600px){.container{padding:0 18px}.nav-wrap{height:66px;gap:12px}.brand{font-size:13px}.brand small{display:none}.nav-links{display:none}.mobile-toggle{display:block;margin-left:auto;border:0;background:transparent;font-size:22px}.hero{padding:50px 0}.hero h1{font-size:40px;letter-spacing:-1px}.hero p{font-size:15px}.actions,.cta-box{display:flex;flex-direction:column;align-items:stretch}.section{padding:52px 0}.section-head{display:block}.section-head h2{font-size:27px;margin-bottom:12px}.feature-grid,.steps{grid-template-columns:1fr}.feature-grid .card:nth-child(2),.feature-grid .card:nth-child(3){margin-top:0}.step{border-right:0;border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}