/* roulang page: index */
:root{
      --ink:#153d38;--ink-2:#28534d;--muted:#6d7d78;--line:#dce8e3;--paper:#fffdfa;
      --mint:#eef7f2;--mint-2:#dceee6;--green:#087c68;--green-2:#19a387;--lime:#a7ca83;
      --coral:#eb7659;--dark:#103c36;--dark-2:#0b2925;--shadow:0 16px 42px rgba(18,65,57,.10);
      --radius:24px;--radius-sm:15px;--max:1200px;
    }
    *{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:1.85;overflow-x:hidden}
    a{color:inherit;text-decoration:none} button,input,textarea,select{font:inherit} button{cursor:pointer;border:0} img{display:block;width:100%;object-fit:cover} :focus-visible{outline:3px solid rgba(235,118,89,.7);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}.section{padding:82px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#e6f4ed;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.06em}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(39px,5vw,62px);line-height:1.15;letter-spacing:-.055em}h2{font-size:clamp(29px,3.4vw,43px);line-height:1.25;letter-spacing:-.04em;margin-bottom:16px}h3{font-size:20px;line-height:1.38;margin-bottom:10px}.lead{font-size:17px;color:var(--ink-2);max-width:760px}.muted{color:var(--muted)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}.section-head p{max-width:620px;margin:0;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 20px;font-weight:800;transition:.25s ease;white-space:nowrap}.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(8,124,104,.22)}.btn:active{transform:translateY(-1px)}.btn-primary{color:#fff;background:linear-gradient(110deg,var(--green),var(--green-2))}.btn-coral{background:var(--coral);color:#fff}.btn-soft{border:1px solid #b9d6cb;background:#fff;color:var(--green)}.btn-dark{background:#fff;color:var(--dark)}
    header{background:rgba(255,253,250,.94);backdrop-filter:blur(18px);position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(220,232,227,.9)}.brandbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:900;letter-spacing:-.05em}.logo-mark{width:35px;height:35px;border-radius:12px;background:conic-gradient(from 220deg,var(--coral),var(--lime),var(--green),var(--coral));position:relative}.logo-mark:after{content:"";position:absolute;inset:8px;border-radius:8px;background:var(--paper)}.brand-actions{display:flex;gap:12px;align-items:center}.service-tip{font-size:13px;color:var(--muted)}
    .nav-wrap{border-top:1px solid var(--line);background:#fff}.iconnav{display:grid;grid-template-columns:repeat(8,1fr);min-width:760px}.nav-item{height:66px;display:flex;align-items:center;justify-content:center;gap:8px;color:#52706a;font-size:14px;font-weight:800;position:relative;transition:.2s}.nav-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}.nav-item:hover{background:var(--mint);color:var(--green)}.nav-item.active{color:var(--green);background:#f2faf6}.nav-item.active:after{content:"";width:34px;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--green),var(--lime));position:absolute;bottom:0}.nav-scroll{overflow-x:auto}.menu-btn{display:none;background:var(--mint);color:var(--green);width:42px;height:42px;border-radius:12px;font-size:20px}
    .hero{padding:30px 0 0;background:var(--mint)}.hero-stage{min-height:590px;border-radius:30px 30px 0 0;overflow:hidden;position:relative;background:var(--dark);color:#fff;isolation:isolate;display:flex;align-items:flex-end}.hero-stage:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,41,36,.94) 0%,rgba(7,41,36,.72) 43%,rgba(7,41,36,.14) 76%);z-index:-1}.hero-stage:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(167,202,131,.45);border-radius:50%;right:-130px;top:-170px;box-shadow:0 0 0 34px rgba(167,202,131,.08),0 0 0 70px rgba(167,202,131,.05);z-index:-1}.hero-bg{position:absolute;inset:0;z-index:-2}.hero-bg img{height:100%;opacity:.78}.hero-copy{padding:68px;width:min(700px,60%)}.hero-copy .eyebrow{background:rgba(255,255,255,.13);color:#dff8e6}.hero-copy h1{margin:18px 0}.hero-copy p{max-width:610px;color:#d4e6df;font-size:17px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.badges{display:flex;gap:9px;flex-wrap:wrap;margin-top:26px}.badge{font-size:13px;font-weight:800;padding:7px 11px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.11);color:#fff}.hero-side-note{position:absolute;right:34px;bottom:34px;width:270px;padding:18px;border-radius:20px;background:rgba(255,255,255,.92);color:var(--ink);box-shadow:var(--shadow)}.hero-side-note strong{display:block;font-size:15px}.hero-side-note small{display:block;color:var(--muted);line-height:1.7;margin-top:5px}.series-bar{position:relative;margin:-22px auto 0;width:min(1080px,calc(100% - 64px));background:#fff;border:1px solid var(--line);padding:12px 17px;border-radius:18px;box-shadow:var(--shadow);display:flex;align-items:center;gap:14px;z-index:2}.series-bar b{font-size:14px}.series-links{display:flex;gap:8px;overflow:auto}.series-links a{font-size:13px;white-space:nowrap;padding:6px 10px;border-radius:999px;color:var(--ink-2)}.series-links a:hover{color:var(--green);background:var(--mint)}
    .calendar{padding:74px 0 34px}.calendar-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.calendar-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 24px rgba(18,65,57,.05)}.calendar-row{display:grid;grid-template-columns:95px 1fr auto;gap:16px;align-items:center;padding:17px 0;border-top:1px solid var(--line)}.calendar-row:first-of-type{border-top:0}.date{font-weight:900;color:var(--green);font-size:14px}.date span{display:block;font-size:12px;color:var(--muted);font-weight:500}.status{font-size:12px;padding:5px 9px;border-radius:999px;background:#fff2ec;color:#b7553c;font-weight:800}.calendar-art{min-height:320px;overflow:hidden;border-radius:var(--radius);position:relative;color:#fff}.calendar-art img{height:100%}.calendar-art:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,42,37,.8),rgba(7,42,37,.05))}.calendar-art div{position:absolute;z-index:1;left:28px;right:28px;bottom:26px}.calendar-art p{color:#e1eee9;margin:6px 0 0}
    .features{background:linear-gradient(180deg,#fffdfa 0%,#eef7f2 100%)}.feature-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:36px}.feature-intro{padding:22px 10px}.feature-intro .number{font-size:70px;line-height:1;font-weight:900;color:#c5dfd1;letter-spacing:-.09em}.feature-stack{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.feature{padding:27px;border-radius:var(--radius);transition:.25s;border:1px solid transparent}.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#9fcbbb}.feature.deep{background:var(--dark);color:#fff;grid-row:span 2}.feature.mint{background:#dff1e8}.feature.white{background:#fff;border-color:var(--line)}.feature-icon{width:46px;height:46px;border-radius:15px;background:rgba(255,255,255,.14);display:grid;place-items:center;font-size:22px}.feature.mint .feature-icon,.feature.white .feature-icon{background:#fff;color:var(--green)}.feature p{font-size:14px;line-height:1.82}.mini-meta{font-size:12px;font-weight:800;display:inline-block;border-radius:999px;padding:5px 9px;background:rgba(255,255,255,.15);margin-top:10px}.feature.mint .mini-meta,.feature.white .mini-meta{background:#eff8f4;color:var(--green)}.text-link{display:inline-block;margin-top:15px;color:inherit;font-weight:800;font-size:14px}.reading-note{margin-top:27px;padding:20px 24px;border-left:4px solid var(--coral);background:#fff8f4;border-radius:0 18px 18px 0}.reading-note p{margin-bottom:0;color:#5e625f}
    .pathway{background:var(--dark);color:#fff;position:relative;overflow:hidden}.pathway:before{content:"";position:absolute;width:900px;height:900px;border-radius:50%;border:1px solid rgba(167,202,131,.14);left:-530px;top:-250px}.pathway .section-head p{color:#c2d9d1}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;position:relative}.step{padding:24px 20px;border-radius:22px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);min-height:220px}.step-no{font-size:38px;font-weight:900;color:var(--lime);line-height:1}.step p{color:#d4e7df;font-size:14px}.step strong{display:block;margin:12px 0 5px}
    .deep-reading{padding-top:88px}.reading-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.image-frame{position:relative;padding:0 25px 25px 0}.image-frame:after{content:"";position:absolute;right:0;bottom:0;width:68%;height:62%;background:var(--mint-2);border-radius:var(--radius);z-index:-1}.image-frame img{height:470px;border-radius:var(--radius);box-shadow:var(--shadow)}.caption{font-size:12px;color:var(--muted);margin:10px 0 0}.reading-copy p{color:var(--ink-2)}.checklist{padding:0;margin:20px 0;list-style:none}.checklist li{padding:9px 0 9px 28px;border-bottom:1px solid var(--line);position:relative;font-size:15px}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
    .brand-strip{padding:0 0 70px}.brand-inner{border-radius:28px;padding:48px;background:linear-gradient(115deg,#15564b,#0c332e);color:#fff;display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;position:relative;overflow:hidden}.brand-inner:after{content:"";position:absolute;right:-60px;top:-110px;width:300px;height:300px;border:44px solid rgba(167,202,131,.14);border-radius:50%}.brand-inner p{color:#d6e9e1;position:relative;z-index:1}.brand-label{color:var(--lime);font-size:14px;font-weight:800}
    .dashboard{background:#f2f8f5}.dashboard-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.chart-card,.trend-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}.bars{height:210px;display:flex;align-items:end;gap:13px;padding-top:24px;border-bottom:1px solid var(--line)}.bar{flex:1;border-radius:9px 9px 0 0;background:linear-gradient(180deg,var(--green-2),#cce5d8);position:relative;min-width:20px}.bar:nth-child(2n){background:linear-gradient(180deg,var(--lime),#e8f0d9)}.bar span{position:absolute;bottom:-28px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted)}.data-note{font-size:13px;color:var(--muted);margin:32px 0 0}.trend-list{list-style:none;padding:0;margin:0}.trend-list li{display:flex;align-items:start;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}.trend-dot{width:10px;height:10px;border-radius:50%;background:var(--coral);margin-top:8px;flex:none}.trend-list small{color:var(--muted);display:block}
    .topics-grid{display:grid;grid-template-columns:1.4fr .6fr .6fr;gap:18px}.topic{min-height:270px;border-radius:var(--radius);overflow:hidden;position:relative;color:#fff;background:var(--dark);transition:.25s}.topic:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.topic img{height:100%;position:absolute;opacity:.72}.topic:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,37,33,.86),rgba(8,37,33,.08))}.topic div{position:absolute;z-index:1;left:23px;right:23px;bottom:20px}.topic p{font-size:13px;color:#d9ebe4;margin:5px 0}.hot{font-size:12px;font-weight:800;color:#fff;background:var(--coral);padding:4px 8px;border-radius:999px}
    .news{background:#fff}.news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:35px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:82px 1fr auto;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line);transition:.2s}.news-item:hover{padding-left:9px;background:#f7fbf9}.news-date{font-size:13px;color:var(--green);font-weight:900}.news-date small{display:block;color:var(--muted);font-weight:500}.news-item h3{font-size:17px;margin:0 0 4px}.news-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.6}.read{font-size:13px;color:var(--green);font-weight:800;border:1px solid #c9e1d6;padding:7px 10px;border-radius:999px}.aside-news{background:var(--mint);border-radius:var(--radius);padding:26px}.aside-news h3{margin-bottom:16px}.rank{display:flex;gap:13px;padding:12px 0;border-bottom:1px solid #cfe3da;font-size:14px}.rank b{font-size:22px;color:var(--coral);line-height:1}.rank small{display:block;color:var(--muted)}
    .guide-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:35px}.guide-note{background:#fff8f4;border-radius:var(--radius);padding:30px}.guide-note p{color:#725c55}.guide-list{display:grid;gap:12px}.guide-list article{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:18px 21px;border:1px solid var(--line);border-radius:18px;background:#fff}.guide-list article:hover{border-color:#91c6b3;box-shadow:0 8px 20px rgba(18,65,57,.07)}.guide-list b{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:var(--mint);color:var(--green)}.guide-list h3{font-size:16px;margin:0}.guide-list p{font-size:14px;color:var(--muted);margin:4px 0 0}
    .faq{background:#f3f8f6}.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:40px}.faq-index{padding:18px}.faq-index p{color:var(--muted)}details{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:11px;overflow:hidden}summary{list-style:none;padding:18px 47px 18px 19px;font-weight:800;cursor:pointer;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:20px;top:12px;font-size:25px;color:var(--green);transition:.2s}details[open] summary:after{transform:rotate(45deg);color:var(--coral)}details p{padding:0 20px 19px;margin:0;color:var(--muted);font-size:14px}
    .proof{padding-bottom:94px}.proof-band{border:1px solid var(--line);border-radius:24px;display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}.proof-item{padding:26px;border-right:1px solid var(--line);background:#fff}.proof-item:last-child{border-right:0}.proof-item b{font-size:25px;color:var(--green);display:block}.proof-item span{font-size:13px;color:var(--muted)}.question-wall{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.question-wall span{padding:8px 13px;background:var(--mint);border-radius:999px;font-size:13px;color:var(--ink-2)}
    .cta-panel{background:var(--dark);border-radius:28px;color:#fff;padding:38px 45px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-panel p{color:#d4e7df;max-width:690px;margin:8px 0 0}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
    footer{background:var(--dark-2);color:#d7e8e2;padding:64px 0 104px}.footer-grid{display:grid;grid-template-columns:1.1fr 1.5fr;gap:70px}.footer-grid .logo{color:#fff}.footer-grid p{color:#a9c5bb;font-size:14px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.footer-links b{display:block;color:#fff;margin-bottom:9px}.footer-links a{display:block;font-size:14px;color:#b8d1c8;margin:7px 0}.footer-links a:hover{color:var(--lime)}.filing{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;font-size:13px;color:#a8c2b9;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}.filing a{text-decoration:underline}
    .fixed-cta{position:fixed;bottom:15px;left:50%;transform:translateX(-50%);z-index:60;width:min(810px,calc(100% - 28px));padding:10px 12px 10px 19px;border:1px solid rgba(202,226,215,.9);border-radius:18px;background:rgba(255,253,250,.94);box-shadow:0 12px 36px rgba(10,47,40,.22);backdrop-filter:blur(14px);display:flex;align-items:center;gap:15px}.fixed-cta p{font-size:13px;line-height:1.45;margin:0;flex:1;color:var(--ink-2)}.close{width:32px;height:32px;border-radius:10px;background:var(--mint);color:var(--green);font-size:20px}
    @media(max-width:1024px){.hero-copy{padding:48px;width:70%}.feature-layout,.news-layout,.guide-grid,.faq-grid{grid-template-columns:1fr}.feature-intro{padding:0}.topics-grid{grid-template-columns:1fr 1fr}.topic:first-child{grid-column:span 2}.footer-grid{gap:35px}.proof-band{grid-template-columns:repeat(2,1fr)}.proof-item:nth-child(2){border-right:0}.proof-item:nth-child(-n+2){border-bottom:1px solid var(--line)}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.brandbar{height:64px}.brand-actions .service-tip,.brand-actions .btn{display:none}.menu-btn{display:block}.nav-wrap{display:none}.hero{padding-top:16px}.hero-stage{min-height:620px;border-radius:24px}.hero-stage:before{background:linear-gradient(0deg,rgba(7,41,36,.93),rgba(7,41,36,.25))}.hero-copy{padding:36px 25px 130px;width:100%}.hero-copy p{font-size:15px}.hero-side-note{left:20px;right:20px;bottom:20px;width:auto}.series-bar{width:calc(100% - 32px);margin-top:-14px}.series-bar b{display:none}.section{padding:58px 0}.calendar{padding-top:58px}.calendar-grid,.reading-grid,.brand-inner,.dashboard-grid{grid-template-columns:1fr}.calendar-art{min-height:270px}.feature-stack{grid-template-columns:1fr}.feature.deep{grid-row:auto}.steps{grid-template-columns:1fr 1fr}.image-frame{padding-right:13px;padding-bottom:13px}.image-frame img{height:330px}.topics-grid{grid-template-columns:1fr}.topic:first-child{grid-column:auto}.news-item{grid-template-columns:62px 1fr}.news-item .read{display:none}.proof-band{grid-template-columns:1fr}.proof-item,.proof-item:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.proof-item:last-child{border-bottom:0}.cta-panel{display:block;padding:31px 25px}.cta-actions{margin-top:20px}.footer-grid,.footer-links{grid-template-columns:1fr}.footer-links{gap:23px}.fixed-cta{bottom:9px}.fixed-cta .btn-soft{display:none}}
    @media(max-width:520px){h1{font-size:36px}.section-head{display:block}.section-head p{margin-top:10px}.steps{grid-template-columns:1fr}.calendar-row{grid-template-columns:70px 1fr}.calendar-row .status{display:none}.news-item{gap:12px}.news-item h3{font-size:15px}.news-item p{font-size:12px}.hero-actions .btn{width:100%}.brand-inner{padding:30px 24px}.fixed-cta p{font-size:12px}.fixed-cta .btn{padding:10px 13px;font-size:13px}.close{display:none}}

/* roulang page: category2 */
:root{
      --ink:#153d38;--ink-2:#28534d;--muted:#6d7d78;--line:#dce8e3;--paper:#fffdfa;
      --mint:#eef7f2;--mint-2:#dceee6;--green:#087c68;--green-2:#19a387;--lime:#a7ca83;
      --coral:#eb7659;--dark:#103c36;--dark-2:#0b2925;--shadow:0 16px 42px rgba(18,65,57,.10);
      --radius:24px;--radius-sm:15px;--max:1200px;
    }
    *{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:1.85;overflow-x:hidden}
    a{color:inherit;text-decoration:none} button,input,textarea,select{font:inherit} button{cursor:pointer;border:0} img{display:block;width:100%;object-fit:cover}
    :focus-visible{outline:3px solid rgba(235,118,89,.7);outline-offset:4px}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .section{padding:76px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#e6f4ed;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.06em}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    .lead{font-size:17px;color:var(--ink-2);max-width:760px}.muted{color:var(--muted)}
    h1,h2,h3{line-height:1.32;letter-spacing:-.04em}h1{font-size:48px;margin:15px 0 18px}h2{font-size:32px;margin:0 0 16px}h3{font-size:21px;margin:0 0 10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 20px;font-weight:800;transition:.25s ease;white-space:nowrap}.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(8,124,104,.22)}.btn:active{transform:translateY(-1px)}.btn-primary{color:#fff;background:linear-gradient(110deg,var(--green),var(--green-2))}.btn-coral{background:var(--coral);color:#fff}.btn-soft{border:1px solid #b9d6cb;background:#fff;color:var(--green)}.btn-dark{background:#fff;color:var(--dark)}
    header{background:rgba(255,253,250,.94);backdrop-filter:blur(18px);position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(220,232,227,.9)}.brandbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:900;letter-spacing:-.05em}.logo-mark{width:35px;height:35px;border-radius:12px;background:conic-gradient(from 220deg,var(--coral),var(--lime),var(--green),var(--coral));position:relative}.logo-mark:after{content:"";position:absolute;inset:8px;border-radius:8px;background:var(--paper)}.brand-actions{display:flex;gap:12px;align-items:center}.service-tip{font-size:13px;color:var(--muted);font-weight:700}.nav-wrap{border-top:1px solid var(--line);background:#fff}.iconnav{display:grid;grid-template-columns:repeat(8,1fr);min-width:760px}.nav-item{height:66px;display:flex;align-items:center;justify-content:center;gap:8px;color:#52706a;font-size:14px;font-weight:800;position:relative;transition:.2s}.nav-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}.nav-item:hover{background:var(--mint);color:var(--green)}.nav-item.active{color:var(--green);background:#f2faf6}.nav-item.active:after{content:"";width:34px;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--green),var(--lime));position:absolute;bottom:0}.nav-scroll{overflow-x:auto}.menu-btn{display:none;background:var(--mint);color:var(--green);width:42px;height:42px;border-radius:12px;font-size:20px}
    .crumb{padding:22px 0 0;font-size:14px;color:var(--muted)}.crumb a{color:var(--green);font-weight:800}.crumb span{margin:0 9px;color:#9bb1aa}
    .rules-hero{padding:28px 0 68px;background:linear-gradient(180deg,var(--mint),#fffdfa)}.rules-stage{min-height:470px;position:relative;overflow:hidden;border-radius:30px;background:var(--dark);display:grid;grid-template-columns:1.1fr .9fr;color:#fff;isolation:isolate}.rules-stage:before{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(10,48,42,.95) 15%,rgba(10,48,42,.77) 54%,rgba(10,48,42,.23));z-index:-1}.rules-stage:after{content:"";position:absolute;width:460px;height:460px;right:-130px;top:-110px;border-radius:50%;border:1px solid rgba(167,202,131,.5);box-shadow:0 0 0 28px rgba(167,202,131,.08),0 0 0 66px rgba(167,202,131,.04);z-index:-1}.hero-image{position:absolute;inset:0;z-index:-2}.hero-image img{height:100%;opacity:.72}.hero-copy{padding:58px 54px}.hero-copy .eyebrow{background:rgba(255,255,255,.13);color:#dff8e6}.hero-copy p{max-width:630px;color:#d4e6df;font-size:17px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.badge{padding:6px 11px;border-radius:999px;font-size:13px;font-weight:800;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2)}.hero-panel{align-self:end;justify-self:end;width:290px;margin:0 34px 34px 0;padding:20px;background:rgba(255,253,250,.94);color:var(--ink);border-radius:20px;box-shadow:var(--shadow)}.hero-panel b{display:block;font-size:16px}.hero-panel p{font-size:13px;line-height:1.75;color:var(--muted);margin:6px 0 0}
    .guide-strip{margin-top:-27px;position:relative;z-index:2;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:16px 23px;display:flex;justify-content:space-between;align-items:center;gap:16px}.guide-strip strong{color:var(--green)}.guide-strip span{font-size:14px;color:var(--muted)}
    .content-grid{display:grid;grid-template-columns:270px minmax(0,1fr);gap:44px;align-items:start}.toc{position:sticky;top:165px;padding:20px;border-radius:20px;background:var(--mint);border:1px solid #d8ebe1}.toc b{display:block;margin:0 0 10px;font-size:15px}.toc a{display:block;padding:9px 11px;border-radius:10px;font-size:14px;font-weight:700;color:var(--ink-2)}.toc a:hover{background:#fff;color:var(--green)}.toc small{display:block;margin-top:13px;color:var(--muted);line-height:1.7}
    .article-intro{padding-bottom:28px;border-bottom:1px solid var(--line)}.article-intro p{max-width:790px}.rule-block{padding:42px 0;border-bottom:1px solid var(--line)}.rule-block:last-child{border:0}.rule-block p{max-width:790px;margin:12px 0}.number-title{display:flex;align-items:center;gap:13px}.number-title span{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--dark);color:#fff;font-size:14px;font-weight:900}
    .notice{margin:24px 0;padding:21px 23px;border-left:4px solid var(--coral);border-radius:0 18px 18px 0;background:#fff4ef}.notice b{color:#a84a35}.notice p{margin:6px 0 0;font-size:14px}.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:23px 0 0;padding:0;list-style:none}.check-list li{padding:14px 15px 14px 39px;border:1px solid var(--line);border-radius:14px;position:relative;font-size:14px;background:#fff}.check-list li:before{content:"✓";position:absolute;left:15px;color:var(--green);font-weight:900}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:26px}.step{position:relative;padding:21px 17px;border-radius:19px;background:var(--mint);min-height:180px}.step:nth-child(even){background:#fff;border:1px solid var(--line)}.step-no{display:block;color:var(--coral);font-size:13px;font-weight:900}.step p{font-size:14px;line-height:1.72;margin:8px 0 0}
    .image-note{display:grid;grid-template-columns:.9fr 1.1fr;gap:29px;padding:28px;border-radius:var(--radius);background:var(--dark);color:#fff;margin:16px 0}.image-note figure{margin:0}.image-note img{height:290px;border-radius:18px}.image-note figcaption{font-size:12px;color:#b9d8ce;margin-top:8px}.image-note p{color:#d5e6df}.plain-list{padding-left:20px}.plain-list li{margin:10px 0}.plain-list li::marker{color:var(--coral)}
    .comparison{background:var(--mint)}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare-card{padding:29px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:.25s}.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#9fcbbb}.compare-card.dark{background:var(--dark);color:#fff;border-color:var(--dark)}.compare-card p{font-size:14px}.compare-card.dark p{color:#d3e3dd}
    .related-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}.feature-story{position:relative;overflow:hidden;min-height:330px;border-radius:var(--radius);color:#fff;background:var(--dark)}.feature-story img{height:100%;position:absolute;inset:0;opacity:.65}.feature-story:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,42,37,.93),rgba(9,42,37,.12))}.feature-story div{position:absolute;z-index:1;bottom:0;padding:30px}.feature-story p{color:#d5e6df;font-size:14px}.related-links{display:grid;gap:12px}.related-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:19px;border-radius:18px;background:#fff;border:1px solid var(--line);font-weight:800;transition:.2s}.related-link:hover{color:var(--green);transform:translateX(4px);border-color:#9fcbbb;box-shadow:var(--shadow)}.related-link span{color:var(--coral)}
    .faq-area{background:#fff}.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:48px}.faq-intro{padding:29px;border-radius:var(--radius);background:var(--mint)}.faq-intro p{font-size:14px}.faq-intro ul{padding-left:20px;font-size:14px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}details{padding:18px 0}summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:15px;font-weight:900;cursor:pointer}summary::-webkit-details-marker{display:none}summary:after{content:"+";display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--mint);color:var(--green);font-size:20px;transition:.22s}details[open] summary:after{transform:rotate(45deg);background:var(--green);color:#fff}.faq-answer{padding:12px 43px 4px 0;color:var(--muted);font-size:15px}
    .cta{padding:0 0 90px}.cta-box{padding:45px 50px;border-radius:30px;background:linear-gradient(115deg,var(--dark),#145f52);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:28px;position:relative;overflow:hidden}.cta-box:after{content:"";position:absolute;width:330px;height:330px;border-radius:50%;right:-80px;bottom:-180px;border:1px solid rgba(167,202,131,.45);box-shadow:0 0 0 28px rgba(167,202,131,.07)}.cta-box p{max-width:650px;color:#cbe0d8;margin:8px 0 0}.cta-actions{display:flex;gap:12px;position:relative;z-index:1;flex-wrap:wrap}
    footer{background:var(--dark-2);color:#d6e8e0;padding:62px 0 28px}.footer-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:70px}.footer-grid .logo{color:#fff}.footer-grid .logo-mark:after{background:var(--dark-2)}.footer-grid p{max-width:430px;color:#a7c3b9;font-size:14px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.footer-links b{display:block;color:#fff;margin-bottom:12px}.footer-links a{display:block;font-size:14px;color:#b8d0c7;margin:8px 0}.footer-links a:hover{color:var(--lime)}.filing{margin-top:42px;padding-top:21px;border-top:1px solid rgba(214,232,224,.16);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#9bb8ae}.filing a:hover{color:#fff}
    .bottom-bar{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:60;width:min(860px,calc(100% - 32px));padding:11px 12px 11px 20px;border:1px solid rgba(255,255,255,.3);border-radius:18px;background:rgba(16,60,54,.94);backdrop-filter:blur(16px);box-shadow:0 14px 38px rgba(6,38,33,.25);display:flex;align-items:center;justify-content:space-between;gap:15px;color:#fff}.bottom-bar p{margin:0;font-size:13px;color:#d2e4dd}.bottom-actions{display:flex;gap:8px;align-items:center}.bottom-close{width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,.13);color:#fff;font-size:18px}.bottom-close:hover{background:var(--coral)}
    @media(max-width:1024px){.content-grid{grid-template-columns:220px 1fr;gap:27px}.steps{grid-template-columns:repeat(2,1fr)}.hero-copy{padding:45px}.footer-grid{gap:38px}.service-tip{display:none}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.brandbar{height:65px}.brand-actions .btn{display:none}.menu-btn{display:block}.nav-item{height:59px}.rules-hero{padding-bottom:46px}.rules-stage{display:block;min-height:570px}.hero-copy{padding:42px 26px}.hero-copy h1{font-size:35px}.hero-panel{position:absolute;left:20px;right:20px;bottom:20px;width:auto;margin:0}.guide-strip{display:block;margin-top:-18px}.guide-strip .btn{margin-top:10px}.content-grid,.faq-grid,.related-grid,.image-note,.footer-grid{grid-template-columns:1fr}.toc{position:relative;top:auto}.check-list{grid-template-columns:1fr}.compare-grid{grid-template-columns:1fr}.section{padding:58px 0}.image-note img{height:210px}.footer-links{grid-template-columns:repeat(3,1fr);gap:12px}.cta-box{padding:34px 26px;display:block}.cta-actions{margin-top:21px}.bottom-bar{bottom:9px;padding:9px 10px 9px 15px}.bottom-bar p{max-width:190px;line-height:1.55}.bottom-bar .btn-soft{display:none}}
    @media(max-width:520px){h1{font-size:31px}h2{font-size:27px}.logo{font-size:20px}.logo-mark{width:31px;height:31px}.logo-mark:after{inset:7px}.steps{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-links div:last-child{grid-column:span 2}.hero-actions .btn{width:100%}.cta-actions .btn{width:100%}.filing{display:block}.filing span{display:block;margin:7px 0}}

/* roulang page: category1 */
:root{
      --ink:#153d38;--ink-2:#28534d;--muted:#6d7d78;--line:#dce8e3;--paper:#fffdfa;
      --mint:#eef7f2;--mint-2:#dceee6;--green:#087c68;--green-2:#19a387;--lime:#a7ca83;
      --coral:#eb7659;--dark:#103c36;--dark-2:#0b2925;--shadow:0 16px 42px rgba(18,65,57,.10);
      --radius:24px;--radius-sm:15px;--max:1200px;
    }
    *{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:1.85;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;width:100%;object-fit:cover}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .section{padding:76px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#e6f4ed;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.06em}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    .lead{font-size:17px;color:var(--ink-2);max-width:760px}
    .muted{color:var(--muted)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}
    .section-head h2{margin:10px 0 0;font-size:34px;line-height:1.3;letter-spacing:-.04em}
    .section-head p{max-width:610px;margin:0;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 20px;font-weight:800;transition:.25s ease;white-space:nowrap}
    .btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(8,124,104,.22)}
    .btn:active{transform:translateY(-1px)}
    .btn:focus-visible,.nav-item:focus-visible,.text-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(235,118,89,.55);outline-offset:3px}
    .btn-primary{color:#fff;background:linear-gradient(110deg,var(--green),var(--green-2))}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-soft{border:1px solid #b9d6cb;background:#fff;color:var(--green)}
    .btn-dark{background:#fff;color:var(--dark)}
    header{background:rgba(255,253,250,.94);backdrop-filter:blur(18px);position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(220,232,227,.9)}
    .brandbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:900;letter-spacing:-.05em}
    .logo-mark{width:35px;height:35px;border-radius:12px;background:conic-gradient(from 220deg,var(--coral),var(--lime),var(--green),var(--coral));position:relative;flex:none}
    .logo-mark:after{content:"";position:absolute;inset:8px;border-radius:8px;background:var(--paper)}
    .brand-actions{display:flex;gap:12px;align-items:center}
    .service-tip{font-size:13px;font-weight:700;color:var(--muted)}
    .nav-wrap{border-top:1px solid var(--line);background:#fff}
    .nav-scroll{overflow-x:auto}
    .iconnav{display:grid;grid-template-columns:repeat(8,1fr);min-width:760px}
    .nav-item{height:66px;display:flex;align-items:center;justify-content:center;gap:8px;color:#52706a;font-size:14px;font-weight:800;position:relative;transition:.2s}
    .nav-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}
    .nav-item:hover{background:var(--mint);color:var(--green)}
    .nav-item.active{color:var(--green);background:#f2faf6}
    .nav-item.active:after{content:"";width:34px;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--green),var(--lime));position:absolute;bottom:0}
    .menu-btn{display:none;background:var(--mint);color:var(--green);width:42px;height:42px;border-radius:12px;font-size:20px}
    .breadcrumb{padding:18px 0;font-size:13px;color:var(--muted)}
    .breadcrumb a:hover{color:var(--green)}
    .breadcrumb span{margin:0 7px;color:#a7bbb2}
    .news-hero{padding:14px 0 64px;background:var(--mint)}
    .hero-shell{display:grid;grid-template-columns:1.04fr .96fr;min-height:490px;overflow:hidden;border-radius:30px;background:var(--dark);color:#fff;box-shadow:var(--shadow)}
    .hero-copy{padding:54px 52px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
    .hero-copy:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(167,202,131,.5);right:-130px;bottom:-165px;border-radius:50%;box-shadow:0 0 0 27px rgba(167,202,131,.07),0 0 0 55px rgba(167,202,131,.04)}
    .hero-copy .eyebrow{background:rgba(255,255,255,.12);color:#dff8e6;width:max-content}
    h1{font-size:49px;line-height:1.17;letter-spacing:-.06em;margin:18px 0}
    .hero-copy p{color:#d4e6df;margin:0;max-width:560px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-badges{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}
    .badge{padding:6px 11px;border:1px solid rgba(255,255,255,.21);border-radius:999px;background:rgba(255,255,255,.1);font-size:12px;font-weight:800}
    .hero-image{position:relative;min-height:360px}
    .hero-image:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,124,104,.16),rgba(11,41,37,.1));z-index:1}
    .hero-image img{height:100%}
    .date-panel{position:absolute;z-index:2;right:25px;bottom:25px;width:225px;padding:17px;border-radius:19px;background:rgba(255,253,250,.93);color:var(--ink);box-shadow:var(--shadow)}
    .date-panel b{display:block;font-size:18px;line-height:1.3}
    .date-panel small{display:block;color:var(--muted);line-height:1.65;margin-top:5px}
    .jumpbar{margin-top:-28px;position:relative;z-index:3}
    .jumpbar-inner{display:flex;gap:11px;align-items:center;justify-content:space-between;padding:15px 20px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(18,65,57,.08)}
    .jump-links{display:flex;gap:8px;flex-wrap:wrap}
    .jump-links a{padding:5px 11px;border-radius:999px;font-size:13px;font-weight:800;color:var(--ink-2)}
    .jump-links a:hover{background:var(--mint);color:var(--green)}
    .feature-news{display:grid;grid-template-columns:1.2fr .8fr;gap:26px}
    .spotlight{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
    .spotlight img{height:290px}
    .spotlight-body{padding:27px}
    .news-meta{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:13px;font-weight:700}
    .tag{display:inline-flex;padding:4px 9px;border-radius:999px;background:#e6f4ed;color:var(--green);font-size:12px;font-weight:800}
    .spotlight h2{font-size:28px;line-height:1.4;margin:14px 0 10px}
    .side-cards{display:grid;gap:16px}
    .info-card{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:#fff;transition:.25s}
    .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#9fcbbb}
    .info-card.dark{background:var(--dark);color:#fff;border-color:var(--dark)}
    .info-card h3{margin:8px 0;font-size:21px;line-height:1.4}
    .info-card p{font-size:14px;margin:0;color:var(--muted)}
    .info-card.dark p{color:#c4d9d2}
    .small-stat{display:inline-flex;align-items:center;gap:7px;margin-top:14px;padding:5px 10px;border-radius:999px;background:var(--mint);color:var(--green);font-size:12px;font-weight:800}
    .dark .small-stat{background:rgba(255,255,255,.11);color:#dff8e6}
    .timeline-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:42px}
    .news-stream{border-top:1px solid var(--line)}
    .stream-item{display:grid;grid-template-columns:95px 1fr auto;gap:22px;align-items:center;padding:25px 4px;border-bottom:1px solid var(--line);transition:.2s}
    .stream-item:hover{padding-left:13px;background:linear-gradient(90deg,#f0f8f4,transparent)}
    .stream-date b{display:block;color:var(--green);font-size:19px;line-height:1.25}
    .stream-date span{font-size:12px;color:var(--muted)}
    .stream-content h3{font-size:19px;line-height:1.45;margin:0 0 6px}
    .stream-content p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .arrow-link{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:var(--green);font-size:21px;font-weight:800;transition:.2s}
    .stream-item:hover .arrow-link{background:var(--green);color:#fff}
    .aside-stack{display:grid;gap:18px;align-content:start}
    .calendar-card,.read-card{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
    .calendar-card h3,.read-card h3{margin:0 0 13px;font-size:20px}
    .cal-row{display:grid;grid-template-columns:58px 1fr;gap:12px;padding:13px 0;border-top:1px solid var(--line);font-size:14px}
    .cal-row b{color:var(--green)}
    .read-card{background:#dff1e8;border-color:#c9e4d7}
    .read-card ul{margin:0;padding-left:20px;color:var(--ink-2);font-size:14px}
    .read-card li{margin:8px 0}
    .editorial{background:var(--dark);color:#fff;position:relative;overflow:hidden}
    .editorial:before{content:"";position:absolute;width:550px;height:550px;border-radius:50%;right:-210px;top:-230px;border:1px solid rgba(167,202,131,.35);box-shadow:0 0 0 38px rgba(167,202,131,.05),0 0 0 76px rgba(167,202,131,.035)}
    .editorial-grid{position:relative;display:grid;grid-template-columns:.85fr 1.15fr;gap:58px;align-items:center}
    .editorial h2{font-size:35px;line-height:1.28;margin:14px 0}
    .editorial p{color:#c7ddd5}
    .notice-list{display:grid;gap:12px}
    .notice{padding:17px 19px;border-radius:16px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.07)}
    .notice b{display:block;color:#e2f5e8;font-size:15px}
    .notice span{color:#c7ddd5;font-size:13px}
    .read-path{display:grid;grid-template-columns:.78fr 1.22fr;gap:34px;align-items:start}
    .path-intro{padding:18px}
    .path-intro h2{font-size:33px;line-height:1.35;margin:12px 0}
    .steps{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:21px;border-radius:20px;border:1px solid var(--line);background:#fff;transition:.25s}
    .step:hover{transform:translateY(-4px);border-color:#9fcbbb;box-shadow:var(--shadow)}
    .step-no{height:42px;width:42px;border-radius:14px;display:grid;place-items:center;background:var(--mint);color:var(--green);font-weight:900}
    .step h3{margin:0 0 4px;font-size:18px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .image-story{display:grid;grid-template-columns:.92fr 1.08fr;gap:0;border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line)}
    .image-story img{height:100%;min-height:360px}
    .story-copy{padding:33px}
    .story-copy h2{font-size:29px;line-height:1.38;margin:12px 0}
    .story-copy p{color:var(--ink-2);font-size:15px}
    .quote{margin:20px 0;padding:16px 18px;border-left:4px solid var(--coral);border-radius:0 14px 14px 0;background:#fff6f2;color:var(--ink-2);font-weight:700;font-size:14px}
    .topic-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .topic-main{padding:30px;border-radius:var(--radius);background:#f0f8f4;border:1px solid #d4e9de}
    .topic-main h2{margin:9px 0 15px;font-size:29px}
    .topic-main p{max-width:760px;color:var(--ink-2)}
    .topic-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
    .topic-list a{padding:13px 14px;border-radius:14px;background:#fff;font-size:14px;font-weight:800;transition:.2s}
    .topic-list a:hover{background:var(--green);color:#fff}
    .verify-card{padding:28px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
    .verify-card h3{margin:0 0 10px;font-size:21px}
    .verify-card p{margin:0;color:var(--muted);font-size:14px}
    .verify-card .btn{margin-top:18px}
    .faq-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:42px}
    .faq-copy h2{font-size:33px;line-height:1.35;margin:12px 0}
    .faq-copy p{color:var(--muted)}
    details{border-top:1px solid var(--line);padding:17px 0}
    details:last-child{border-bottom:1px solid var(--line)}
    summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:18px;font-size:17px;font-weight:800}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--mint);color:var(--green);font-size:21px;line-height:1;transition:.25s;flex:none}
    details[open] summary:after{transform:rotate(45deg);background:var(--green);color:#fff}
    details p{color:var(--muted);font-size:14px;margin:13px 42px 0 0}
    .cta-panel{padding:39px 42px;border-radius:30px;background:linear-gradient(120deg,#0b2925,#14574d);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;overflow:hidden}
    .cta-panel:after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;right:15%;top:-150px;border:1px solid rgba(167,202,131,.45)}
    .cta-panel h2{font-size:30px;line-height:1.35;margin:0 0 7px;position:relative;z-index:1}
    .cta-panel p{margin:0;color:#c9ddd6;position:relative;z-index:1}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1}
    footer{background:var(--dark-2);color:#e5f0eb;padding:57px 0 28px;margin-top:76px}
    .footer-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:60px;padding-bottom:34px}
    footer .logo{color:#fff}
    footer .logo-mark:after{background:var(--dark-2)}
    footer p{max-width:470px;color:#afc7be;font-size:14px;margin-top:16px}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .footer-links b{display:block;color:#fff;margin-bottom:10px}
    .footer-links a{display:block;color:#b8ccc5;font-size:14px;margin:6px 0;transition:.2s}
    .footer-links a:hover{color:#dff8e6;transform:translateX(3px)}
    .filing{border-top:1px solid rgba(255,255,255,.13);padding-top:21px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:#a9c0b8;font-size:13px}
    .filing a:hover{color:#fff}
    .mobile-drawer{display:none}
    @media(max-width:1024px){
      .service-tip{display:none}.hero-shell{grid-template-columns:1fr}.hero-image{min-height:300px}.timeline-layout{grid-template-columns:1fr}.aside-stack{grid-template-columns:1fr 1fr}.feature-news,.read-path,.faq-wrap{grid-template-columns:1fr}.editorial-grid{grid-template-columns:1fr}.footer-grid{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}.section{padding:56px 0}.brandbar{height:68px}.brand-actions .btn{display:none}.menu-btn{display:grid;place-items:center}.nav-wrap{display:none}.mobile-drawer{position:fixed;inset:68px 0 0;background:rgba(11,41,37,.98);z-index:45;padding:25px 16px;transform:translateX(100%);transition:.3s}.mobile-drawer.open{display:block;transform:translateX(0)}.mobile-drawer a{display:block;padding:13px;color:#e3f3ed;border-bottom:1px solid rgba(255,255,255,.1);font-weight:800}.hero-copy{padding:38px 27px}.hero-shell{border-radius:24px}h1{font-size:36px}.section-head{display:block}.section-head h2{font-size:29px}.section-head p{margin-top:12px}.jumpbar-inner{align-items:flex-start;flex-direction:column}.feature-news,.topic-grid,.image-story{grid-template-columns:1fr}.image-story img{min-height:250px;height:250px}.timeline-layout{gap:26px}.stream-item{grid-template-columns:72px 1fr;gap:13px}.arrow-link{display:none}.aside-stack{grid-template-columns:1fr}.editorial-grid{gap:20px}.topic-list{grid-template-columns:1fr}.cta-panel{padding:31px 25px;display:block}.cta-actions{margin-top:21px}.footer-grid,.footer-links{grid-template-columns:1fr}.footer-links{gap:20px}.filing{display:block}.filing span{display:block;margin:7px 0}
    }
    @media(max-width:520px){
      body{font-size:15px}.logo{font-size:20px}.hero-copy p,.lead{font-size:15px}.hero-actions .btn{width:100%}.spotlight-body,.story-copy{padding:23px}.spotlight h2,.story-copy h2{font-size:24px}.stream-content h3{font-size:17px}.stream-content p{font-size:13px}.calendar-card,.read-card,.info-card{padding:20px}.section-head h2,.faq-copy h2,.path-intro h2{font-size:27px}
    }

/* roulang page: category3 */
:root{
      --ink:#153d38;--ink-2:#28534d;--muted:#6d7d78;--line:#dce8e3;--paper:#fffdfa;
      --mint:#eef7f2;--mint-2:#dceee6;--green:#087c68;--green-2:#19a387;--lime:#a7ca83;
      --coral:#eb7659;--dark:#103c36;--dark-2:#0b2925;--shadow:0 16px 42px rgba(18,65,57,.10);
      --shadow-deep:0 24px 56px rgba(10,47,41,.20);--radius:24px;--radius-sm:15px;--max:1200px;
    }
    *{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:1.85;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;width:100%;object-fit:cover}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .section{padding:78px 0}
    .section-tight{padding:42px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#e6f4ed;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.06em}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    .lead{font-size:17px;color:var(--ink-2);max-width:760px}
    .muted{color:var(--muted)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head h2,.deep-copy h2,.guide-aside h2,.support-panel h2{font-size:35px;line-height:1.32;letter-spacing:-.045em;margin:12px 0 0}
    .section-head p{max-width:620px;margin:0;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 20px;font-weight:800;transition:.25s ease;white-space:nowrap}
    .btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(8,124,104,.22)}
    .btn:active{transform:translateY(-1px)}
    .btn:focus-visible,.nav-item:focus-visible,.guide-link:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,.menu-btn:focus-visible{outline:3px solid rgba(235,118,89,.55);outline-offset:3px}
    .btn-primary{color:#fff;background:linear-gradient(110deg,var(--green),var(--green-2))}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-soft{border:1px solid #b9d6cb;background:#fff;color:var(--green)}
    .btn-dark{background:#fff;color:var(--dark)}
    header{background:rgba(255,253,250,.94);backdrop-filter:blur(18px);position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(220,232,227,.9)}
    .brandbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:900;letter-spacing:-.05em}
    .logo-mark{width:35px;height:35px;border-radius:12px;background:conic-gradient(from 220deg,var(--coral),var(--lime),var(--green),var(--coral));position:relative;flex:none}
    .logo-mark:after{content:"";position:absolute;inset:8px;border-radius:8px;background:var(--paper)}
    .brand-actions{display:flex;gap:12px;align-items:center}
    .service-tip{font-size:13px;font-weight:700;color:var(--muted)}
    .nav-wrap{border-top:1px solid var(--line);background:#fff}
    .iconnav{display:grid;grid-template-columns:repeat(8,1fr);min-width:760px}
    .nav-item{height:66px;display:flex;align-items:center;justify-content:center;gap:8px;color:#52706a;font-size:14px;font-weight:800;position:relative;transition:.2s}
    .nav-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}
    .nav-item:hover{background:var(--mint);color:var(--green)}
    .nav-item.active{color:var(--green);background:#f2faf6}
    .nav-item.active:after{content:"";width:34px;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--green),var(--lime));position:absolute;bottom:0}
    .nav-scroll{overflow-x:auto}
    .menu-btn{display:none;background:var(--mint);color:var(--green);width:42px;height:42px;border-radius:12px;font-size:20px}
    .crumbs{font-size:14px;color:var(--muted);padding:18px 0 12px}
    .crumbs a:hover{color:var(--green)}
    .crumbs span{margin:0 8px;color:#a7b7b1}
    .page-hero{padding:18px 0 30px;background:linear-gradient(180deg,var(--mint) 0%,var(--paper) 100%)}
    .page-hero-grid{display:grid;grid-template-columns:1.04fr .96fr;min-height:480px;border-radius:30px;overflow:hidden;background:var(--dark);color:#fff;box-shadow:var(--shadow-deep)}
    .hero-copy{padding:58px 54px;position:relative;background:linear-gradient(135deg,#103c36 0%,#165c51 100%)}
    .hero-copy:after{content:"";position:absolute;width:285px;height:285px;border:1px solid rgba(184,223,171,.43);border-radius:50%;right:-112px;bottom:-128px;box-shadow:0 0 0 26px rgba(167,202,131,.07),0 0 0 58px rgba(167,202,131,.04)}
    .hero-copy .eyebrow{background:rgba(255,255,255,.12);color:#e8fae8}
    h1{font-size:51px;line-height:1.18;letter-spacing:-.065em;margin:18px 0}
    .hero-copy p{position:relative;z-index:1;max-width:570px;color:#d7e8e1;font-size:17px;margin:0}
    .hero-actions,.tag-row{display:flex;gap:11px;flex-wrap:wrap;margin-top:28px;position:relative;z-index:1}
    .tag{padding:6px 11px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);border-radius:999px;font-size:13px;font-weight:800}
    .hero-visual{position:relative;min-height:420px}
    .hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(8,124,104,.18),rgba(9,40,35,.42))}
    .hero-visual img{height:100%}
    .hero-ticket{position:absolute;z-index:2;right:30px;bottom:28px;width:min(330px,calc(100% - 44px));padding:20px 20px 18px;background:rgba(255,253,250,.94);color:var(--ink);border-radius:22px;box-shadow:var(--shadow)}
    .hero-ticket:before{content:"";position:absolute;left:0;right:0;top:62px;border-top:2px dashed #bfd4cb}
    .ticket-kicker{display:flex;justify-content:space-between;font-size:12px;font-weight:900;color:var(--green);letter-spacing:.08em}
    .hero-ticket strong{font-size:21px;line-height:1.4;display:block;margin:15px 0 8px}
    .hero-ticket small{display:block;color:var(--muted);line-height:1.65}
    .hero-ticket a{margin-top:13px;font-size:14px;color:var(--green);font-weight:900}
    .quickbar{background:#fff;border:1px solid var(--line);border-radius:18px;margin-top:-3px;position:relative;z-index:3;display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 10px 25px rgba(18,65,57,.06)}
    .quickbar a{padding:16px 20px;border-right:1px solid var(--line);display:flex;gap:10px;align-items:center;font-size:14px;font-weight:800;transition:.2s}
    .quickbar a:last-child{border:0}.quickbar a:hover{background:var(--mint);color:var(--green)}
    .quick-num{display:grid;place-items:center;width:27px;height:27px;border-radius:9px;background:var(--mint-2);color:var(--green);font-size:12px}
    .overview{display:grid;grid-template-columns:.72fr 1.28fr;gap:42px;align-items:start}
    .overview-intro{padding:12px 8px}
    .overview-intro .big-number{font-size:82px;line-height:.9;font-weight:900;letter-spacing:-.09em;color:#c8e1d5}
    .overview-intro h2{font-size:32px;line-height:1.35;margin:14px 0}
    .overview-intro p{color:var(--muted)}
    .guide-links{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .guide-link{padding:23px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;min-height:162px;transition:.25s;position:relative;overflow:hidden}
    .guide-link:hover{border-color:#9acbb9;transform:translateY(-4px);box-shadow:var(--shadow)}
    .guide-link:nth-child(1){background:#dff1e8}.guide-link:nth-child(4){background:var(--dark);color:#fff}
    .guide-link .round-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:14px;background:#fff;color:var(--green);font-weight:900}
    .guide-link:nth-child(4) .round-icon{background:rgba(255,255,255,.14);color:#ddf4e6}
    .guide-link b{display:block;font-size:18px;margin-top:13px}.guide-link p{font-size:14px;line-height:1.7;margin:6px 0 0;color:var(--muted)}
    .guide-link:nth-child(4) p{color:#c7ded6}
    .process-bg{background:var(--mint);position:relative;overflow:hidden}
    .process-bg:before{content:"";position:absolute;width:520px;height:520px;left:-230px;top:65px;border:1px solid #c9e3d8;border-radius:50%;box-shadow:0 0 0 40px rgba(200,230,215,.32)}
    .steps{position:relative;display:grid;gap:19px}
    .step{display:grid;grid-template-columns:118px 1fr .76fr;gap:28px;align-items:center;padding:28px;border-radius:var(--radius);background:var(--paper);border:1px solid rgba(206,227,218,.9);transition:.25s}
    .step:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#9fcbbb}
    .step-no{font-size:52px;font-weight:900;line-height:1;color:#b8d9ca;letter-spacing:-.09em}
    .step h3{margin:0 0 8px;font-size:22px}.step p{margin:0;color:var(--muted);font-size:15px}
    .step-note{padding:13px 16px;border-radius:14px;background:#f4faf6;color:var(--ink-2);font-size:14px;line-height:1.72}
    .step-note b{display:block;color:var(--green);font-size:13px;margin-bottom:3px}
    .reading-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:stretch}
    .story-image{min-height:590px;border-radius:28px;overflow:hidden;position:relative}
    .story-image img{height:100%}
    .story-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,41,36,.78),rgba(9,41,36,.02) 58%)}
    .image-caption{position:absolute;z-index:2;left:28px;right:28px;bottom:24px;color:#fff}
    .image-caption b{font-size:20px}.image-caption p{margin:5px 0 0;color:#dbece6;font-size:14px}
    .deep-copy{padding:10px 0}
    .deep-copy h2{margin-bottom:18px}.deep-copy p{color:var(--ink-2);margin:0 0 18px}
    .check-list{list-style:none;padding:0;margin:23px 0}.check-list li{position:relative;padding:11px 0 11px 33px;border-bottom:1px solid var(--line);color:var(--ink-2)}
    .check-list li:before{content:"✓";position:absolute;left:0;top:11px;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:#dff1e8;color:var(--green);font-size:13px;font-weight:900}
    .notice{border-left:4px solid var(--coral);background:#fff4ef;border-radius:0 15px 15px 0;padding:17px 19px;color:#7b493d;font-size:14px}
    .notice b{display:block;color:#a34a36;margin-bottom:4px}
    .verify{background:var(--dark);color:#fff}
    .verify .section-head p{color:#c4dcd4}
    .verify-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px}
    .verify-main{padding:35px;border-radius:26px;background:#164b43;position:relative;overflow:hidden}
    .verify-main:after{content:"";position:absolute;width:270px;height:270px;border-radius:50%;right:-95px;bottom:-125px;border:1px solid rgba(167,202,131,.45);box-shadow:0 0 0 30px rgba(167,202,131,.06)}
    .verify-main h3{font-size:28px;line-height:1.35;margin:0 0 14px}.verify-main p{color:#d1e3dc;max-width:650px;margin:0}
    .verify-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:25px;position:relative;z-index:1}
    .verify-list div{padding:14px;border:1px solid rgba(255,255,255,.13);border-radius:15px;background:rgba(255,255,255,.06);font-size:14px;color:#e3f1eb}
    .verify-list b{display:block;color:#bfe1ab;font-size:12px;margin-bottom:4px}
    .verify-side{display:grid;gap:16px}
    .metric{padding:23px;border-radius:22px;background:#f1f9f5;color:var(--ink)}
    .metric:nth-child(2){background:#f5dfd8}.metric strong{font-size:25px;display:block;line-height:1.3}.metric span{font-size:14px;color:var(--muted);line-height:1.6;display:block;margin-top:5px}
    .related-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:26px}
    .related-feature{border-radius:27px;overflow:hidden;border:1px solid var(--line);background:#fff;display:grid;grid-template-columns:.92fr 1.08fr;min-height:290px;transition:.25s}
    .related-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#9fcbbb}
    .related-feature img{height:100%}.related-feature div{padding:31px}.related-feature h3{font-size:25px;line-height:1.35;margin:12px 0}.related-feature p{color:var(--muted);font-size:14px}
    .article-stack{display:grid;gap:12px}
    .article-row{display:flex;gap:17px;align-items:center;padding:17px 19px;border:1px solid var(--line);border-radius:17px;background:#fff;transition:.23s}
    .article-row:hover{transform:translateX(4px);border-color:#9fcbbb;box-shadow:0 9px 20px rgba(18,65,57,.07)}
    .article-date{min-width:53px;text-align:center;padding-right:15px;border-right:1px solid var(--line);font-size:12px;font-weight:900;color:var(--green);line-height:1.3}
    .article-row b{font-size:15px;line-height:1.5;display:block}.article-row small{display:block;color:var(--muted);font-size:13px;line-height:1.5;margin-top:3px}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px;align-items:start}
    .faq-intro{position:sticky;top:170px}.faq-intro h2{font-size:34px;line-height:1.35;margin:14px 0}.faq-intro p{color:var(--muted)}
    details{border-top:1px solid var(--line);padding:4px 0}details:last-child{border-bottom:1px solid var(--line)}
    summary{list-style:none;cursor:pointer;padding:18px 38px 18px 0;font-weight:900;font-size:17px;position:relative}
    summary::-webkit-details-marker{display:none}summary:after{content:"＋";position:absolute;right:4px;top:17px;color:var(--green);font-size:24px;font-weight:400;transition:.2s}
    details[open] summary:after{transform:rotate(45deg);color:var(--coral)}
    .faq-answer{padding:0 20px 19px 0;color:var(--ink-2);font-size:15px;animation:fadeIn .25s ease}
    @keyframes fadeIn{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}
    .support-panel{border-radius:30px;padding:47px 50px;background:linear-gradient(125deg,#dcefe5,#fdf5e9);display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center;border:1px solid #cce2d8}
    .support-panel h2{margin:10px 0}.support-panel p{max-width:690px;color:var(--ink-2);margin:0}
    .support-panel .hero-actions{margin-top:21px}
    footer{background:var(--dark-2);color:#d2e3dc;padding:58px 0 26px;margin-top:78px}
    .footer-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:80px;padding-bottom:39px}
    footer .logo{color:#fff}footer .logo-mark:after{background:var(--dark-2)}
    footer p{font-size:14px;max-width:390px;color:#aac5bb;margin:15px 0 0}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.footer-links div{display:grid;align-content:start;gap:7px}.footer-links b{color:#fff;font-size:14px;margin-bottom:4px}.footer-links a{font-size:14px;color:#b9d3c9}.footer-links a:hover{color:#dff2e8}
    .filing{padding-top:20px;border-top:1px solid rgba(255,255,255,.13);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12px;color:#9cb9ae}.filing a:hover{color:#fff}
    .mobile-drawer{display:none}
    @media(max-width:1024px){
      .service-tip{display:none}.page-hero-grid{grid-template-columns:1fr}.hero-visual{min-height:330px}.overview{grid-template-columns:1fr}.overview-intro{display:grid;grid-template-columns:140px 1fr;gap:20px;align-items:center}.overview-intro p{grid-column:2}.reading-grid,.faq-wrap{grid-template-columns:1fr}.story-image{min-height:400px}.faq-intro{position:static}.footer-grid{gap:35px}.step{grid-template-columns:95px 1fr}.step-note{grid-column:2}.verify-grid,.related-grid{grid-template-columns:1fr}
    }
    @media(max-width:768px){
      body{font-size:15px}.container{width:min(var(--max),calc(100% - 32px))}.section{padding:57px 0}.brandbar{height:67px}.brand-actions .btn{display:none}.menu-btn{display:block}.nav-wrap{display:none}.page-hero{padding-top:5px}.crumbs{font-size:13px}.hero-copy{padding:41px 27px}.hero-visual{min-height:270px}h1{font-size:36px}.section-head{display:block;margin-bottom:25px}.section-head h2,.deep-copy h2,.guide-aside h2,.support-panel h2{font-size:28px}.section-head p{margin-top:13px}.quickbar{grid-template-columns:repeat(2,1fr)}.quickbar a:nth-child(2){border-right:0}.quickbar a:nth-child(-n+2){border-bottom:1px solid var(--line)}.overview-intro{display:block}.overview-intro .big-number{font-size:64px}.guide-links{gap:11px}.guide-link{padding:18px;min-height:145px}.steps{gap:13px}.step{grid-template-columns:66px 1fr;gap:14px;padding:21px}.step-no{font-size:39px}.step h3{font-size:19px}.step-note{grid-column:1/-1}.verify-main{padding:25px}.verify-list{grid-template-columns:1fr}.related-feature{grid-template-columns:1fr}.related-feature img{height:190px}.related-feature div{padding:24px}.support-panel{display:block;padding:33px 25px}.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(3,1fr);gap:13px}.mobile-drawer{position:fixed;z-index:90;inset:0;background:rgba(9,41,37,.49);padding:74px 16px 16px;opacity:0;visibility:hidden;transition:.25s}.mobile-drawer.open{opacity:1;visibility:visible}.drawer-panel{background:var(--paper);border-radius:25px;box-shadow:var(--shadow-deep);padding:24px}.drawer-panel nav{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:18px}.drawer-panel a{padding:14px;border-radius:14px;background:var(--mint);font-weight:800;font-size:14px}.drawer-close{float:right;border-radius:10px;width:36px;height:36px;background:var(--mint);color:var(--green);font-size:20px}
    }
    @media(max-width:520px){
      .hero-ticket{right:16px;bottom:16px}.hero-ticket strong{font-size:18px}.quickbar a{padding:13px 11px;font-size:13px}.guide-links{grid-template-columns:1fr}.story-image{min-height:320px}.image-caption{left:20px;right:20px;bottom:18px}.verify-main h3{font-size:23px}.article-row{padding:14px 12px;gap:12px}.article-date{min-width:45px;padding-right:10px}.footer-links{grid-template-columns:1fr 1fr}.filing{display:block}.filing span{display:block;margin:7px 0}
    }

/* roulang page: category4 */
:root{
--ink:#153d38;--ink-2:#28534d;--muted:#6d7d78;--line:#dce8e3;--paper:#fffdfa;
--mint:#eef7f2;--mint-2:#dceee6;--green:#087c68;--green-2:#19a387;--lime:#a7ca83;
--coral:#eb7659;--dark:#103c36;--dark-2:#0b2925;--shadow:0 16px 42px rgba(18,65,57,.10);
--radius:24px;--radius-sm:15px;--max:1200px
}
*{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:1.85;overflow-x:hidden}
a{color:inherit;text-decoration:none} button,input,textarea,select{font:inherit} button{cursor:pointer;border:0} img{display:block;width:100%;object-fit:cover}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}.section{padding:76px 0}.section-tint{background:var(--mint)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#e6f4ed;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.06em}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
.lead{font-size:17px;color:var(--ink-2);max-width:760px}.muted{color:var(--muted)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}.section-head h2{margin:10px 0 0;font-size:32px;line-height:1.35;letter-spacing:-.04em}.section-head p{max-width:580px;margin:0;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 20px;font-weight:800;transition:.25s ease;white-space:nowrap}.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(8,124,104,.22)}.btn:active{transform:translateY(-1px)}.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(235,118,89,.5);outline-offset:4px}
.btn-primary{color:#fff;background:linear-gradient(110deg,var(--green),var(--green-2))}.btn-coral{background:var(--coral);color:#fff}.btn-soft{border:1px solid #b9d6cb;background:#fff;color:var(--green)}.btn-dark{background:#fff;color:var(--dark)}
header{background:rgba(255,253,250,.94);backdrop-filter:blur(18px);position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(220,232,227,.9)}.brandbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:900;letter-spacing:-.05em}.logo-mark{width:35px;height:35px;border-radius:12px;background:conic-gradient(from 220deg,var(--coral),var(--lime),var(--green),var(--coral));position:relative;flex:none}.logo-mark:after{content:"";position:absolute;inset:8px;border-radius:8px;background:var(--paper)}.brand-actions{display:flex;gap:12px;align-items:center}.service-tip{font-size:13px;color:var(--muted);font-weight:700}.nav-wrap{border-top:1px solid var(--line);background:#fff}.iconnav{display:grid;grid-template-columns:repeat(8,1fr);min-width:760px}.nav-item{height:66px;display:flex;align-items:center;justify-content:center;gap:8px;color:#52706a;font-size:14px;font-weight:800;position:relative;transition:.2s}.nav-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}.nav-item:hover{background:var(--mint);color:var(--green)}.nav-item.active{color:var(--green);background:#f2faf6}.nav-item.active:after{content:"";width:34px;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--green),var(--lime));position:absolute;bottom:0}.nav-scroll{overflow-x:auto}.menu-btn{display:none;background:var(--mint);color:var(--green);width:42px;height:42px;border-radius:12px;font-size:20px}
.breadcrumb{padding:18px 0 0;font-size:14px;color:var(--muted)}.breadcrumb a{color:var(--green);font-weight:800}.breadcrumb span{margin:0 8px;color:#a3b6ae}
.hero{padding:25px 0 0;background:var(--mint)}.hero-stage{min-height:455px;border-radius:30px 30px 0 0;overflow:hidden;position:relative;isolation:isolate;display:flex;align-items:flex-end;color:#fff;background:var(--dark)}.hero-stage:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(7,41,36,.94) 2%,rgba(7,41,36,.76) 47%,rgba(7,41,36,.23) 100%)}.hero-stage:after{content:"";position:absolute;width:400px;height:400px;right:-130px;top:-175px;border:1px solid rgba(167,202,131,.56);border-radius:50%;box-shadow:0 0 0 34px rgba(167,202,131,.08),0 0 0 72px rgba(167,202,131,.05);z-index:-1}.hero-bg{position:absolute;inset:0;z-index:-2}.hero-bg img{height:100%;opacity:.78}.hero-copy{padding:54px 62px;max-width:720px}.hero-copy .eyebrow{background:rgba(255,255,255,.12);color:#dff8e6}.hero-copy h1{font-size:48px;line-height:1.18;letter-spacing:-.06em;margin:17px 0}.hero-copy p{margin:0;color:#d5e6e0;font-size:17px}.badges{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}.badge{font-size:13px;font-weight:800;padding:7px 11px;border:1px solid rgba(255,255,255,.23);border-radius:999px;background:rgba(255,255,255,.11);color:#fff}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
.notice{margin-top:-1px;background:#e1f1e9;border:1px solid #c6e1d5;padding:17px 22px;display:flex;gap:14px;align-items:flex-start;border-radius:0 0 var(--radius) var(--radius)}.notice strong{color:var(--green);white-space:nowrap}.notice p{margin:0;font-size:14px;color:var(--ink-2)}
.board{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.board-top{padding:25px 27px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px}.board-top h2{margin:0;font-size:22px}.switches{display:flex;gap:8px;flex-wrap:wrap}.switch{border:1px solid var(--line);background:#fff;color:var(--ink-2);padding:7px 12px;border-radius:999px;font-size:13px;font-weight:800;transition:.2s}.switch:hover,.switch.active{background:var(--mint);color:var(--green);border-color:#acd5c4}
.info-grid{display:grid;grid-template-columns:1.22fr .78fr;gap:24px}.overview{padding:26px}.overview h3,.explain h3{margin:0 0 8px;font-size:22px;line-height:1.4}.demo-label{color:var(--coral);font-size:13px;font-weight:900}.period{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px 0;border-bottom:1px solid var(--line)}.period:last-child{border-bottom:0}.period-date{color:var(--muted);font-size:14px;min-width:100px}.period strong{font-size:17px}.demo-result{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.ball{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;font-size:12px;font-weight:900;background:#e8f5ee;color:var(--green);border:1px solid #cae6d8}.ball.orange{background:#fff0e9;color:#bd533d;border-color:#f4c7b8}
.explain{padding:28px;background:var(--dark);color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}.explain:after{content:"";width:210px;height:210px;border:1px solid rgba(167,202,131,.35);position:absolute;border-radius:50%;right:-70px;bottom:-85px}.explain p{color:#c8ddd5;font-size:14px;position:relative;z-index:1}.checklist{padding:0;margin:20px 0 0;list-style:none;position:relative;z-index:1}.checklist li{padding:9px 0 9px 24px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}.checklist li:before{content:"✓";position:absolute;margin-left:-23px;color:var(--lime);font-weight:900}
.toc{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.toc a{border:1px solid var(--line);padding:18px;border-radius:18px;background:#fff;font-weight:800;transition:.2s}.toc a span{display:block;color:var(--coral);font-size:12px}.toc a:hover{transform:translateY(-4px);border-color:#9fcbbb;box-shadow:var(--shadow);color:var(--green)}
.reading-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:42px;align-items:start}.sticky-note{position:sticky;top:165px;background:#dff1e8;border-radius:var(--radius);padding:30px}.sticky-note h2{margin:8px 0 13px;font-size:28px;line-height:1.35}.sticky-note ul{padding-left:20px;margin:19px 0;color:var(--ink-2)}.sticky-note li{margin:8px 0}.article-body{max-width:760px}.article-body h2{font-size:29px;line-height:1.4;margin:0 0 17px}.article-body h3{font-size:20px;margin:29px 0 9px}.article-body p{color:var(--ink-2);margin:0 0 18px}.quote{border-left:4px solid var(--coral);padding:15px 19px;background:#fff5f1;border-radius:0 16px 16px 0;margin:25px 0;color:#704237;font-weight:700}
.figure-text{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:stretch}.figure{border-radius:var(--radius);overflow:hidden;min-height:340px;position:relative}.figure img{height:100%}.figure figcaption{position:absolute;left:18px;right:18px;bottom:18px;padding:12px 15px;border-radius:14px;background:rgba(255,253,250,.9);font-size:13px;color:var(--ink);font-weight:700}.field-card{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.field-card h2{font-size:27px;line-height:1.4;margin:7px 0 13px}.field-card ol{padding:0;margin:22px 0;counter-reset:steps;list-style:none}.field-card li{counter-increment:steps;padding:0 0 17px 46px;position:relative;color:var(--ink-2)}.field-card li:before{content:counter(steps);position:absolute;left:0;top:0;width:29px;height:29px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff;font-size:13px;font-weight:900}
.history-list{border-top:1px solid var(--line)}.history-row{display:grid;grid-template-columns:126px 1fr auto;gap:24px;align-items:center;padding:22px 8px;border-bottom:1px solid var(--line);transition:.2s}.history-row:hover{background:#f4faf7;padding-left:18px;padding-right:18px}.history-date{font-size:14px;color:var(--muted)}.history-row h3{margin:0 0 4px;font-size:18px}.history-row p{margin:0;color:var(--muted);font-size:14px}.arrow{color:var(--green);font-size:24px;font-weight:400}
.rule-cards{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.rule-card{padding:32px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}.rule-card.dark{background:var(--dark);color:#fff;border:0}.rule-card h2{font-size:26px;line-height:1.4;margin:0 0 11px}.rule-card p{color:var(--ink-2)}.rule-card.dark p{color:#c6dcd4}.rule-card ul{padding-left:19px;margin:18px 0}.rule-card li{margin:8px 0}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:38px}.faq-intro{padding:20px 0}.faq-intro h2{font-size:32px;line-height:1.35;margin:10px 0}.faq{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:0}summary{list-style:none;cursor:pointer;padding:20px 36px 20px 0;font-weight:850;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:4px;top:13px;font-size:25px;font-weight:400;color:var(--green);transition:.25s}details[open] summary:after{transform:rotate(45deg);color:var(--coral)}details p{margin:0;padding:0 28px 21px 0;color:var(--muted);font-size:15px}
.cta-panel{background:var(--dark);color:#fff;border-radius:30px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}.cta-panel:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(167,202,131,.35);right:-120px;top:-180px;border-radius:50%;box-shadow:0 0 0 38px rgba(167,202,131,.05)}.cta-panel h2{font-size:31px;margin:0 0 9px;line-height:1.35;position:relative;z-index:1}.cta-panel p{margin:0;max-width:680px;color:#c7ddd5;position:relative;z-index:1}.cta-panel .btn{position:relative;z-index:1}
footer{background:var(--dark-2);color:#d7e6e0;padding:60px 0 25px;margin-top:76px}footer .logo{color:#fff}footer .logo-mark:after{background:var(--dark-2)}.footer-grid{display:grid;grid-template-columns:.9fr 1.4fr;gap:80px}.footer-grid p{font-size:14px;color:#a9c4ba;max-width:390px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.footer-links div{display:flex;flex-direction:column;gap:8px}.footer-links b{color:#fff;margin-bottom:4px}.footer-links a{font-size:14px;color:#afc8be;transition:.2s}.footer-links a:hover{color:var(--lime);transform:translateX(3px)}.filing{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#92afa4}.filing a:hover{color:#fff}
.mobile-drawer{display:none}.fixed-bar{position:fixed;z-index:40;left:50%;bottom:16px;transform:translateX(-50%);width:min(900px,calc(100% - 32px));padding:10px 12px 10px 20px;border:1px solid #cfe3d9;border-radius:999px;background:rgba(255,253,250,.94);backdrop-filter:blur(14px);box-shadow:0 12px 38px rgba(13,54,47,.16);display:flex;align-items:center;justify-content:space-between;gap:14px}.fixed-bar p{font-size:13px;font-weight:700;margin:0;color:var(--ink-2)}.fixed-actions{display:flex;gap:8px;align-items:center}.close-fixed{width:32px;height:32px;border-radius:50%;background:#edf5f1;color:var(--green);font-size:18px}.close-fixed:hover{background:#d8ebe2}
@media(max-width:1024px){.service-tip{display:none}.reading-grid,.faq-layout{grid-template-columns:1fr}.sticky-note{position:static}.toc{grid-template-columns:repeat(2,1fr)}.footer-grid{gap:42px}.hero-copy{padding:48px}.info-grid{grid-template-columns:1fr}.explain{min-height:260px}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.section{padding:55px 0}.brandbar{height:65px}.brand-actions .btn{display:none}.menu-btn{display:block}.nav-item{height:61px}.hero{padding-top:16px}.hero-stage{min-height:500px;border-radius:22px 22px 0 0;align-items:flex-end}.hero-stage:before{background:linear-gradient(0deg,rgba(7,41,36,.95),rgba(7,41,36,.38))}.hero-copy{padding:34px 25px;width:100%;max-width:none}.hero-copy h1{font-size:35px}.hero-copy p{font-size:15px}.section-head{display:block}.section-head h2{font-size:27px}.section-head p{margin-top:12px}.period{display:grid;grid-template-columns:1fr auto}.period strong{grid-column:1/2}.demo-result{grid-column:2;grid-row:1/3}.figure-text,.rule-cards{grid-template-columns:1fr}.figure{min-height:260px}.history-row{grid-template-columns:90px 1fr auto;gap:12px}.history-row p{display:none}.faq-intro h2{font-size:27px}.cta-panel{padding:34px 25px;display:block}.cta-panel h2{font-size:27px}.cta-panel .btn{margin-top:20px}.footer-grid,.footer-links{grid-template-columns:1fr;gap:30px}.footer-links{grid-template-columns:repeat(2,1fr)}.fixed-bar{bottom:8px;padding:8px 9px 8px 15px}.fixed-bar p{display:none}}
@media(max-width:520px){.logo{font-size:20px}.logo-mark{width:32px;height:32px}.hero-copy h1{font-size:31px}.hero-actions .btn{width:100%}.badges{gap:6px}.badge{font-size:12px}.notice{padding:15px;display:block}.notice strong{display:block;margin-bottom:4px}.board-top{display:block}.switches{margin-top:14px}.overview,.explain,.field-card,.rule-card{padding:23px}.toc{grid-template-columns:1fr 1fr;gap:9px}.toc a{padding:14px;font-size:14px}.history-row{grid-template-columns:1fr auto}.history-date{grid-column:1/2}.history-row h3{font-size:16px}.arrow{grid-column:2;grid-row:1/3}.footer-links{grid-template-columns:1fr 1fr}.filing{display:block}.filing span{display:block;margin-bottom:8px}.fixed-actions .btn-soft{display:none}}

/* roulang page: category5 */
:root{
 --ink:#153d38;--ink-2:#28534d;--muted:#6d7d78;--line:#dce8e3;--paper:#fffdfa;
 --mint:#eef7f2;--mint-2:#dceee6;--green:#087c68;--green-2:#19a387;--lime:#a7ca83;
 --coral:#eb7659;--dark:#103c36;--dark-2:#0b2925;--shadow:0 16px 42px rgba(18,65,57,.10);
 --radius:24px;--radius-sm:15px;--max:1200px;
}
*{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:1.85;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
img{display:block;width:100%;object-fit:cover}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.section{padding:82px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#e6f4ed;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.04em}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-.06em}
h2{font-size:clamp(28px,3vw,38px);line-height:1.3;letter-spacing:-.04em}
h3{font-size:21px;line-height:1.4}
.lead{font-size:17px;color:var(--ink-2);max-width:780px}
.muted{color:var(--muted)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-head p{max-width:650px;margin:0;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 20px;font-weight:800;transition:.25s ease;white-space:nowrap}
.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(8,124,104,.22)}
.btn:active{transform:translateY(-1px)}
.btn:focus-visible,.nav-item:focus-visible,summary:focus-visible,.menu-btn:focus-visible{outline:3px solid rgba(235,118,89,.55);outline-offset:3px}
.btn-primary{color:#fff;background:linear-gradient(110deg,var(--green),var(--green-2))}
.btn-coral{background:var(--coral);color:#fff}
.btn-soft{border:1px solid #b9d6cb;background:#fff;color:var(--green)}
.btn-dark{background:#fff;color:var(--dark)}
header{background:rgba(255,253,250,.95);backdrop-filter:blur(18px);position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(220,232,227,.9)}
.brandbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:900;letter-spacing:-.05em}
.logo-mark{width:35px;height:35px;border-radius:12px;background:conic-gradient(from 220deg,var(--coral),var(--lime),var(--green),var(--coral));position:relative;display:inline-block}
.logo-mark:after{content:"";position:absolute;inset:8px;border-radius:8px;background:var(--paper)}
.brand-actions{display:flex;gap:12px;align-items:center}
.service-tip{font-size:13px;color:var(--muted)}
.nav-wrap{border-top:1px solid var(--line);background:#fff}
.iconnav{display:grid;grid-template-columns:repeat(8,1fr);min-width:760px}
.nav-scroll{overflow-x:auto}
.nav-item{height:66px;display:flex;align-items:center;justify-content:center;gap:8px;color:#52706a;font-size:14px;font-weight:800;position:relative;transition:.2s}
.nav-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}
.nav-item:hover{background:var(--mint);color:var(--green)}
.nav-item.active{color:var(--green);background:#f2faf6}
.nav-item.active:after{content:"";width:34px;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--green),var(--lime));position:absolute;bottom:0}
.menu-btn{display:none;background:var(--mint);color:var(--green);width:42px;height:42px;border-radius:12px;font-size:20px}
.mobile-drawer{display:none}
.page-crumb{padding:24px 0 10px;background:var(--mint);font-size:13px;color:var(--muted)}
.page-crumb a{color:var(--green);font-weight:700}
.hero{padding:0 0 34px;background:var(--mint)}
.hero-stage{min-height:475px;border-radius:30px;overflow:hidden;position:relative;background:var(--dark);color:#fff;isolation:isolate;display:flex;align-items:center}
.hero-stage:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,41,36,.95),rgba(7,41,36,.70) 48%,rgba(7,41,36,.18));z-index:-1}
.hero-stage:after{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(167,202,131,.4);border-radius:50%;right:-140px;top:-170px;box-shadow:0 0 0 34px rgba(167,202,131,.08),0 0 0 76px rgba(167,202,131,.05);z-index:-1}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{height:100%;opacity:.76}
.hero-copy{padding:64px;width:min(700px,68%)}
.hero-copy .eyebrow{background:rgba(255,255,255,.13);color:#dff8e6}
.hero-copy h1{margin:18px 0 14px}
.hero-copy p{max-width:620px;color:#d4e6df;font-size:17px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}
.badges{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}
.badge{font-size:13px;font-weight:800;padding:7px 11px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.11);color:#fff}
.hero-note{position:absolute;right:32px;bottom:30px;width:252px;padding:18px;border-radius:20px;background:rgba(255,255,255,.93);color:var(--ink);box-shadow:var(--shadow)}
.hero-note strong{display:block}.hero-note small{display:block;color:var(--muted);line-height:1.65;margin-top:5px}
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 8px 28px rgba(18,65,57,.05)}
.quote{border-left:4px solid var(--coral);padding:16px 20px;background:#fff7f2;border-radius:0 16px 16px 0;color:var(--ink-2)}
.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0;padding:0;list-style:none}
.pill-list li{padding:9px 13px;background:var(--mint);border-radius:999px;font-size:14px;color:var(--green);font-weight:700}
.story{background:#f5faf7}
.story-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}
.story-image{min-height:390px;border-radius:28px;overflow:hidden;position:relative}
.story-image img{height:100%;min-height:390px}
.caption{position:absolute;bottom:18px;left:18px;right:18px;padding:13px 16px;border-radius:15px;background:rgba(16,60,54,.84);color:#e9f6ef;font-size:13px}
.copy p{color:var(--ink-2)}
.copy strong{color:var(--green)}
.checks{display:grid;gap:12px;margin:22px 0;padding:0;list-style:none}
.checks li{display:flex;gap:11px;align-items:flex-start}
.checks li:before{content:"✓";flex:0 0 24px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--mint-2);color:var(--green);font-weight:900}
.dark-section{background:var(--dark);color:#fff}
.dark-section .section-head p,.dark-section .lead{color:#c8ded6}
.responsibility-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
.responsibility-main{padding:35px;border-radius:28px;background:linear-gradient(140deg,#15584d,#0d3933);border:1px solid rgba(191,233,202,.18)}
.responsibility-main p{color:#c9dfd8}
.responsibility-side{display:grid;gap:16px}
.dark-card{padding:24px;border-radius:22px;background:#174941;border:1px solid rgba(255,255,255,.1)}
.dark-card span{display:block;color:#a7ca83;font-size:13px;font-weight:800;margin-bottom:6px}
.action-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.action-card{padding:26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:.25s}
.action-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#9fcbbb}
.action-icon{width:48px;height:48px;border-radius:16px;background:var(--mint);display:grid;place-items:center;color:var(--green);font-size:23px;margin-bottom:18px}
.action-card p{font-size:14px;color:var(--muted)}
.reading-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:36px;align-items:start}
.reading-side{padding:28px;border-radius:24px;background:var(--mint-2);position:sticky;top:170px}
.reading-side b{font-size:34px;color:var(--green);display:block;line-height:1.1}
.reading-side small{color:var(--muted)}
.reading-list{display:grid;gap:15px}
.reading-item{display:grid;grid-template-columns:65px 1fr auto;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.reading-item time{font-size:13px;color:var(--green);font-weight:800}
.reading-item h3{font-size:17px;margin:0 0 3px}
.reading-item p{font-size:13px;color:var(--muted);margin:0}
.arrow{font-size:22px;color:var(--coral)}
.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:38px}
.faq-list{display:grid;gap:10px}
details{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
summary{list-style:none;cursor:pointer;padding:18px 21px;font-weight:800;display:flex;justify-content:space-between;gap:15px}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--green);font-size:20px;line-height:1}
details[open] summary:after{content:"－"}
.answer{padding:0 21px 20px;color:var(--muted);font-size:14px}
.related{background:var(--mint)}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.related-card{display:grid;grid-template-columns:150px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;transition:.25s}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.related-card img{height:125px;border-radius:15px}
.related-card h3{margin:8px 0;font-size:18px}
.related-card p{font-size:13px;color:var(--muted);margin:0}
.cta-section{padding:54px 0}
.cta-box{border-radius:28px;padding:36px 42px;background:linear-gradient(120deg,var(--dark),#176052);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-box p{color:#cde0d9;margin:8px 0 0}
footer{background:var(--dark-2);color:#d6e7e0;padding:54px 0 105px}
.footer-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:60px}
footer .logo{color:#fff}
footer .logo-mark:after{background:var(--dark-2)}
footer p{max-width:420px;color:#9dbab1;font-size:14px}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.footer-links div{display:grid;gap:8px;align-content:start}
.footer-links b{color:#fff;margin-bottom:7px}
.footer-links a{color:#9dbab1;font-size:14px;transition:.2s}
.footer-links a:hover{color:#a7ca83}
.filing{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#91aca5;font-size:12px}
.filing a:hover{color:#fff}
.fixed-bar{position:fixed;z-index:60;bottom:0;left:0;right:0;background:rgba(255,253,250,.95);border-top:1px solid var(--line);box-shadow:0 -8px 25px rgba(18,65,57,.08)}
.fixed-inner{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.fixed-inner p{margin:0;font-size:14px;color:var(--ink-2)}
.fixed-actions{display:flex;gap:10px}
.close-bar{width:32px;height:32px;border-radius:50%;background:var(--mint);color:var(--green);font-size:18px}
@media(max-width:1024px){
 .iconnav{grid-template-columns:repeat(8,112px)}
 .hero-copy{width:72%;padding:48px}
 .hero-note{right:22px;width:220px}
 .reading-grid,.intro-grid{grid-template-columns:1fr}
 .reading-side{position:static}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .section{padding:58px 0}
 .service-tip{display:none}
 .brandbar{height:68px}
 .brand-actions .btn{display:none}
 .menu-btn{display:block}
 .iconnav{grid-template-columns:repeat(4, minmax(105px,1fr));min-width:640px}
 .nav-item{height:58px;font-size:13px}
 .hero-stage{min-height:650px;align-items:flex-end;border-radius:22px}
 .hero-copy{width:100%;padding:32px 25px 35px}
 .hero-copy h1{font-size:36px}
 .hero-note{position:relative;right:auto;bottom:auto;margin:0 25px 25px;width:auto;order:2}
 .hero-stage{display:block;padding-top:300px}
 .hero-actions .btn{flex:1}
 .section-head,.cta-box{display:block}
 .section-head p{margin-top:12px}
 .story-grid,.responsibility-grid,.faq-wrap{grid-template-columns:1fr}
 .action-grid{grid-template-columns:1fr}
 .reading-item{grid-template-columns:58px 1fr auto}
 .related-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:30px}
 .fixed-inner{padding:8px 0;min-height:58px}
 .fixed-inner p{font-size:12px;line-height:1.45}
 .fixed-actions .btn-soft{display:none}
}
@media(max-width:520px){
 h1{font-size:32px}
 h2{font-size:28px}
 .hero-stage{padding-top:245px}
 .hero-copy{padding:27px 19px}
 .hero-copy p{font-size:15px}
 .hero-actions{display:grid}
 .hero-actions .btn{width:100%}
 .hero-note{margin:0 19px 18px}
 .panel,.responsibility-main{padding:23px}
 .story-image,.story-image img{min-height:285px}
 .related-card{grid-template-columns:105px 1fr}
 .related-card img{height:110px}
 .footer-links{grid-template-columns:1fr 1fr}
 .footer-links div:last-child{grid-column:span 2}
 .filing{display:grid}
}

/* roulang page: category6 */
:root{
      --ink:#153d38;--ink-2:#28534d;--muted:#6d7d78;--line:#dce8e3;--paper:#fffdfa;
      --mint:#eef7f2;--mint-2:#dceee6;--green:#087c68;--green-2:#19a387;--lime:#a7ca83;
      --coral:#eb7659;--dark:#103c36;--dark-2:#0b2925;--shadow:0 16px 42px rgba(18,65,57,.10);
      --radius:24px;--radius-sm:15px;--max:1200px;
    }
    *{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:1.85;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    img{display:block;width:100%;object-fit:cover}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .section{padding:78px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#e6f4ed;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.06em}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}
    .lead{font-size:17px;color:var(--ink-2);max-width:760px}
    .muted{color:var(--muted)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head h2,.hero-copy h1{letter-spacing:-.05em;line-height:1.2}
    .section-head h2{font-size:34px;margin:10px 0 0}
    .section-head p{max-width:600px;margin:0;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 20px;font-weight:800;transition:.25s ease;white-space:nowrap}
    .btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(8,124,104,.22)}
    .btn:active{transform:translateY(-1px)}
    .btn:focus-visible,.nav-item:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(235,118,89,.48);outline-offset:3px}
    .btn-primary{color:#fff;background:linear-gradient(110deg,var(--green),var(--green-2))}
    .btn-coral{background:var(--coral);color:#fff}
    .btn-soft{border:1px solid #b9d6cb;background:#fff;color:var(--green)}
    .btn-dark{background:#fff;color:var(--dark)}
    header{background:rgba(255,253,250,.94);backdrop-filter:blur(18px);position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(220,232,227,.9)}
    .brandbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:900;letter-spacing:-.05em}
    .logo-mark{width:35px;height:35px;border-radius:12px;background:conic-gradient(from 220deg,var(--coral),var(--lime),var(--green),var(--coral));position:relative;flex:none}
    .logo-mark:after{content:"";position:absolute;inset:8px;border-radius:8px;background:var(--paper)}
    .brand-actions{display:flex;gap:12px;align-items:center}
    .service-tip{font-size:13px;color:var(--muted);font-weight:700}
    .nav-wrap{border-top:1px solid var(--line);background:#fff}
    .iconnav{display:grid;grid-template-columns:repeat(8,1fr);min-width:760px}
    .nav-item{height:66px;display:flex;align-items:center;justify-content:center;gap:8px;color:#52706a;font-size:14px;font-weight:800;position:relative;transition:.2s}
    .nav-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}
    .nav-item:hover{background:var(--mint);color:var(--green)}
    .nav-item.active{color:var(--green);background:#f2faf6}
    .nav-item.active:after{content:"";width:34px;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--green),var(--lime));position:absolute;bottom:0}
    .nav-scroll{overflow-x:auto}
    .menu-btn{display:none;background:var(--mint);color:var(--green);width:42px;height:42px;border-radius:12px;font-size:20px}
    .breadcrumb{padding:19px 0 0;font-size:13px;color:var(--muted)}
    .breadcrumb a:hover{color:var(--green)}
    .data-hero{padding:24px 0 72px;background:linear-gradient(180deg,#eef7f2 0%,#fffdfa 100%)}
    .data-stage{min-height:500px;border-radius:30px;overflow:hidden;position:relative;isolation:isolate;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;background:var(--dark);color:#fff}
    .data-stage:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,47,41,.97) 4%,rgba(8,47,41,.83) 52%,rgba(8,47,41,.28) 100%);z-index:-1}
    .data-stage:after{content:"";position:absolute;width:540px;height:540px;border:1px solid rgba(167,202,131,.5);border-radius:50%;right:-190px;bottom:-260px;box-shadow:0 0 0 34px rgba(167,202,131,.07),0 0 0 71px rgba(167,202,131,.045);z-index:-1}
    .hero-image{position:absolute;inset:0;z-index:-2}
    .hero-image img{height:100%;opacity:.74}
    .hero-copy{padding:60px}
    .hero-copy .eyebrow{background:rgba(255,255,255,.12);color:#dff8e6}
    .hero-copy h1{font-size:50px;margin:18px 0}
    .hero-copy p{margin:0;color:#d7e8e1;font-size:17px;max-width:650px}
    .hero-actions,.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
    .badge{font-size:13px;font-weight:800;padding:7px 11px;border:1px solid rgba(255,255,255,.23);border-radius:999px;background:rgba(255,255,255,.1);color:#fff}
    .hero-board{justify-self:end;margin-right:38px;width:min(310px,88%);padding:22px;border-radius:22px;background:rgba(255,253,250,.94);color:var(--ink);box-shadow:var(--shadow)}
    .hero-board h3{font-size:17px;margin:0 0 13px}
    .hero-board p{margin:0;font-size:13px;color:var(--muted);line-height:1.75}
    .board-line{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-size:13px}
    .board-line b{color:var(--green)}
    .notice-strip{margin-top:-27px;position:relative;z-index:2;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:15px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .notice-strip p{margin:0;color:var(--ink-2);font-size:14px}
    .notice-strip strong{color:var(--green)}
    .guide-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:32px;align-items:start}
    .guide-sticky{padding:29px;border-radius:var(--radius);background:var(--mint);position:sticky;top:165px}
    .guide-sticky h2{font-size:30px;line-height:1.25;margin:12px 0}
    .guide-sticky p{font-size:14px;color:var(--ink-2)}
    .guide-links{display:grid;gap:8px;margin-top:19px}
    .guide-links a{display:flex;align-items:center;justify-content:space-between;padding:10px 13px;border-radius:12px;background:rgba(255,255,255,.7);font-size:14px;font-weight:800;transition:.2s}
    .guide-links a:hover{background:#fff;color:var(--green);transform:translateX(3px)}
    .method-cards{display:grid;grid-template-columns:1fr 1fr;gap:17px}
    .method{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}
    .method:first-child{grid-column:span 2;background:var(--dark);color:#fff;border-color:var(--dark)}
    .method:hover{transform:translateY(-4px);border-color:#9fcbbb;box-shadow:var(--shadow)}
    .method-number{display:block;color:var(--coral);font-weight:900;font-size:14px;letter-spacing:.1em}
    .method h3{font-size:20px;margin:10px 0}
    .method p{margin:0;font-size:14px;color:var(--muted)}
    .method:first-child p{color:#c8ddd6}
    .signal{display:inline-flex;align-items:center;gap:7px;margin-top:16px;padding:5px 10px;border-radius:999px;background:var(--mint);color:var(--green);font-size:12px;font-weight:800}
    .method:first-child .signal{background:rgba(255,255,255,.12);color:#d9f5dc}
    .dark-zone{background:var(--dark);color:#fff;position:relative;overflow:hidden}
    .dark-zone:before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(167,202,131,.16) 1px,transparent 1px);background-size:20px 20px;opacity:.54}
    .dark-zone .container{position:relative}
    .dark-zone .section-head p{color:#bfd4ce}
    .trend-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}
    .chart-panel{padding:30px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);background:rgba(255,255,255,.06)}
    .chart-top{display:flex;align-items:start;justify-content:space-between;gap:15px}
    .chart-top h3{font-size:22px;margin:0}
    .chart-top p{font-size:13px;color:#bed4cd;margin:4px 0 0}
    .sample-tag{padding:5px 10px;border-radius:999px;background:rgba(235,118,89,.19);color:#ffd9d0;font-size:12px;font-weight:800;white-space:nowrap}
    .plot{height:250px;position:relative;margin-top:30px;border-bottom:1px solid rgba(255,255,255,.18);border-left:1px solid rgba(255,255,255,.18);background:repeating-linear-gradient(to top,transparent 0,transparent 49px,rgba(255,255,255,.08) 50px)}
    .plot svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
    .plot-labels{display:flex;justify-content:space-between;color:#bcd1ca;font-size:12px;padding:8px 0 0 5px}
    .legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px;font-size:13px;color:#d8e9e2}
    .legend span:before{content:"";display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:7px;background:var(--lime)}
    .legend span:last-child:before{background:var(--coral)}
    .annotation{padding:27px;border-radius:var(--radius);background:#f3faf6;color:var(--ink)}
    .annotation h3{font-size:21px;margin:0 0 15px}
    .annotation ol{margin:0;padding-left:20px}
    .annotation li{padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
    .annotation li:last-child{border:0}
    .observation-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:30px;align-items:stretch}
    .image-story{position:relative;min-height:510px;overflow:hidden;border-radius:var(--radius)}
    .image-story img{height:100%}
    .image-story:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,43,37,.88),rgba(8,43,37,.04) 62%)}
    .image-caption{position:absolute;z-index:2;bottom:0;padding:33px;color:#fff;max-width:610px}
    .image-caption h3{font-size:27px;line-height:1.3;margin:0 0 12px}
    .image-caption p{margin:0;color:#d4e7df;font-size:14px}
    .reading-text{padding:12px 0}
    .reading-text h2{font-size:34px;line-height:1.24;margin:12px 0 19px}
    .reading-text p{color:var(--ink-2);margin:0 0 16px}
    .quote{margin:22px 0;padding:20px 22px;border-left:4px solid var(--coral);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#fff2ee;font-weight:800;color:#745041}
    .check-list{display:grid;gap:11px;margin-top:22px}
    .check-list div{display:flex;gap:11px;align-items:start;padding:13px 15px;border-radius:15px;background:var(--mint);font-size:14px}
    .check-list b{color:var(--green);font-size:17px;line-height:1.55}
    .insight-band{background:#f3f8f5}
    .insight-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px}
    .timeline{border-left:2px solid #b7d9ca;margin-left:12px;padding-left:29px}
    .timeline-item{position:relative;padding:0 0 27px}
    .timeline-item:before{content:"";position:absolute;width:13px;height:13px;border-radius:50%;background:var(--green);border:3px solid #f3f8f5;left:-37px;top:7px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item time{font-size:12px;font-weight:900;color:var(--green);letter-spacing:.08em}
    .timeline-item h3{font-size:18px;margin:5px 0}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .mini-board{display:grid;gap:15px}
    .mini-card{padding:23px;border-radius:20px;background:#fff;border:1px solid var(--line);transition:.25s}
    .mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a7d0c0}
    .mini-card strong{display:block;font-size:17px}
    .mini-card p{margin:8px 0 0;color:var(--muted);font-size:14px}
    .mini-card .mini-meta{display:inline-block;margin-top:12px;color:var(--green);font-size:12px;font-weight:800;background:var(--mint);padding:5px 9px;border-radius:999px}
    .compare-wrap{padding:34px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
    .compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
    .compare{padding:22px;border-radius:18px;background:var(--mint)}
    .compare:nth-child(2){background:#fff6f2}
    .compare:nth-child(3){background:#edf6f2}
    .compare h3{font-size:18px;margin:0 0 9px}
    .compare p{font-size:14px;color:var(--ink-2);margin:0}
    .related-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px}
    .related-list{border-top:1px solid var(--line)}
    .related-item{display:grid;grid-template-columns:90px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .related-item time{font-size:13px;font-weight:900;color:var(--green)}
    .related-item h3{font-size:18px;margin:0 0 3px}
    .related-item p{font-size:13px;color:var(--muted);margin:0}
    .arrow-link{width:39px;height:39px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:var(--green);font-weight:900;transition:.2s}
    .related-item:hover .arrow-link{background:var(--green);color:#fff;transform:translateX(3px)}
    .responsible-card{padding:31px;border-radius:var(--radius);background:var(--dark);color:#fff}
    .responsible-card h3{font-size:25px;line-height:1.3;margin:0 0 12px}
    .responsible-card p{font-size:14px;color:#cce0d9;margin:0 0 22px}
    .responsible-card ul{padding:0;margin:0 0 22px;list-style:none}
    .responsible-card li{padding:9px 0;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#e2efea}
    .faq-zone{background:linear-gradient(180deg,#fffdfa,#eef7f2)}
    .faq-layout{display:grid;grid-template-columns:.77fr 1.23fr;gap:34px}
    .faq-intro{padding:23px}
    .faq-intro h2{font-size:32px;line-height:1.25;margin:12px 0}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden;transition:.25s}
    details[open]{border-color:#a9cfbf;box-shadow:0 10px 26px rgba(18,65,57,.07)}
    summary{cursor:pointer;list-style:none;padding:18px 50px 18px 21px;font-weight:900;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:20px;top:13px;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:var(--green);font-size:21px;font-weight:500;transition:.25s}
    details[open] summary:after{transform:rotate(45deg);background:var(--green);color:#fff}
    .answer{padding:0 21px 19px;color:var(--muted);font-size:14px}
    .cta-panel{margin-top:22px;padding:38px;border-radius:var(--radius);background:linear-gradient(120deg,var(--dark),#155b4e);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:26px;position:relative;overflow:hidden}
    .cta-panel:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-80px;top:-130px;border:34px solid rgba(167,202,131,.1)}
    .cta-panel h2{margin:0 0 8px;font-size:29px;line-height:1.25;position:relative;z-index:1}
    .cta-panel p{margin:0;color:#c8ddd6;max-width:620px;font-size:14px;position:relative;z-index:1}
    .cta-panel .hero-actions{margin:0;position:relative;z-index:1}
    footer{background:var(--dark-2);color:#d4e5de;padding:61px 0 28px}
    .footer-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;padding-bottom:42px}
    footer .logo{color:#fff}
    footer .logo-mark:after{background:var(--dark-2)}
    footer p{font-size:14px;color:#aac4bb;max-width:390px}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .footer-links div{display:grid;align-content:start;gap:8px}
    .footer-links b{color:#fff;font-size:14px;margin-bottom:6px}
    .footer-links a{font-size:13px;color:#b7cdc5;transition:.2s}
    .footer-links a:hover{color:#dff8e6;transform:translateX(2px)}
    .filing{padding-top:22px;border-top:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#96b1a8;font-size:12px}
    .filing a:hover{color:#fff}
    .fixed-bar{position:fixed;z-index:45;bottom:16px;left:50%;transform:translateX(-50%);width:min(880px,calc(100% - 32px));padding:10px 11px 10px 20px;border:1px solid rgba(186,215,202,.9);border-radius:999px;background:rgba(255,253,250,.93);backdrop-filter:blur(16px);box-shadow:0 14px 35px rgba(16,60,54,.18);display:flex;align-items:center;justify-content:space-between;gap:13px}
    .fixed-bar p{margin:0;font-size:13px;font-weight:700;color:var(--ink-2)}
    .fixed-actions{display:flex;gap:8px;align-items:center}
    .close-bar{width:35px;height:35px;border-radius:50%;background:var(--mint);color:var(--green);font-size:19px;line-height:1}
    .close-bar:hover{background:#d7ece2}
    body.bar-closed .fixed-bar{display:none}
    @media (max-width:1024px){
      .data-stage{grid-template-columns:1fr}.hero-board{display:none}.hero-copy{padding:54px;width:75%}
      .trend-layout,.observation-grid,.related-grid{grid-template-columns:1fr}
      .guide-grid{grid-template-columns:1fr}.guide-sticky{position:static}
      .footer-grid{gap:35px}
    }
    @media (max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .section{padding:58px 0}.service-tip{display:none}.brandbar{height:65px}
      .brand-actions .btn{display:none}.menu-btn{display:block}
      .nav-item{height:61px;font-size:13px}.data-hero{padding:12px 0 48px}
      .data-stage{min-height:480px}.hero-copy{width:100%;padding:42px 28px}.hero-copy h1{font-size:36px}
      .notice-strip{margin-top:-20px;align-items:flex-start;flex-direction:column;padding:14px 16px}
      .section-head,.faq-layout{display:block}.section-head h2{font-size:29px}.section-head p{margin-top:13px}
      .method-cards,.compare-grid{grid-template-columns:1fr}.method:first-child{grid-column:auto}
      .chart-panel,.annotation,.compare-wrap{padding:22px}.plot{height:190px}
      .image-story{min-height:380px}.reading-text h2{font-size:29px}
      .related-item{grid-template-columns:70px 1fr auto;gap:10px}.related-item h3{font-size:16px}.related-item p{display:none}
      .faq-intro{padding:0 0 20px}.cta-panel{padding:28px;display:block}.cta-panel .hero-actions{margin-top:21px}
      .footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(3,1fr)}
      .fixed-bar{bottom:max(8px,env(safe-area-inset-bottom));padding:8px 9px 8px 15px}.fixed-bar p,.fixed-actions .btn-soft,.close-bar{display:none}.fixed-actions{width:100%}.fixed-actions .btn-primary{width:100%;padding:11px 16px}
    }
    @media (max-width:520px){
      body{font-size:15px}.logo{font-size:20px}.logo-mark{width:32px;height:32px}
      .hero-copy h1{font-size:32px}.hero-copy p{font-size:15px}.hero-actions .btn{width:100%}
      .badges{gap:7px}.badge{font-size:12px}.guide-sticky,.method{padding:21px}
      .chart-top{display:block}.sample-tag{display:inline-block;margin-top:10px}
      .image-caption{padding:23px}.image-caption h3{font-size:23px}
      .footer-links{grid-template-columns:1fr 1fr}.footer-links div:last-child{grid-column:span 2}
      .filing{display:grid;gap:7px}.compare{padding:18px}
    }

/* roulang page: category7 */
:root{--ink:#153d38;--ink-2:#28534d;--muted:#6d7d78;--line:#dce8e3;--paper:#fffdfa;--mint:#eef7f2;--mint-2:#dceee6;--green:#087c68;--green-2:#19a387;--lime:#a7ca83;--coral:#eb7659;--dark:#103c36;--dark-2:#0b2925;--shadow:0 16px 42px rgba(18,65,57,.10);--radius:24px;--radius-sm:15px;--max:1200px}
*{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:1.85;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer;border:0}img{display:block;width:100%;object-fit:cover}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.section{padding:78px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#e6f4ed;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.06em}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--coral)}.lead{font-size:17px;color:var(--ink-2);max-width:760px}.muted{color:var(--muted)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}.section-head h2{margin:9px 0 0;font-size:34px;line-height:1.3;letter-spacing:-.04em}.section-head p{max-width:610px;margin:0;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;padding:13px 20px;font-weight:800;transition:.25s ease;white-space:nowrap}.btn:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(8,124,104,.22)}.btn:active{transform:translateY(-1px)}.btn:focus-visible,.nav-item:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(235,118,89,.5);outline-offset:3px}.btn-primary{color:#fff;background:linear-gradient(110deg,var(--green),var(--green-2))}.btn-coral{background:var(--coral);color:#fff}.btn-soft{border:1px solid #b9d6cb;background:#fff;color:var(--green)}.btn-dark{background:#fff;color:var(--dark)}
header{background:rgba(255,253,250,.94);backdrop-filter:blur(18px);position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(220,232,227,.9)}.brandbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:900;letter-spacing:-.05em}.logo-mark{width:35px;height:35px;border-radius:12px;background:conic-gradient(from 220deg,var(--coral),var(--lime),var(--green),var(--coral));position:relative}.logo-mark:after{content:"";position:absolute;inset:8px;border-radius:8px;background:var(--paper)}.brand-actions{display:flex;gap:12px;align-items:center}.service-tip{font-size:13px;color:var(--muted);font-weight:700}.nav-wrap{border-top:1px solid var(--line);background:#fff}.iconnav{display:grid;grid-template-columns:repeat(8,1fr);min-width:760px}.nav-item{height:66px;display:flex;align-items:center;justify-content:center;gap:8px;color:#52706a;font-size:14px;font-weight:800;position:relative;transition:.2s}.nav-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8}.nav-item:hover{background:var(--mint);color:var(--green)}.nav-item.active{color:var(--green);background:#f2faf6}.nav-item.active:after{content:"";width:34px;height:3px;border-radius:4px;background:linear-gradient(90deg,var(--green),var(--lime));position:absolute;bottom:0}.nav-scroll{overflow-x:auto}.menu-btn{display:none;background:var(--mint);color:var(--green);width:42px;height:42px;border-radius:12px;font-size:20px}
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--muted)}.breadcrumb a:hover{color:var(--green)}.subhero{padding:26px 0 42px;background:linear-gradient(180deg,var(--mint),#fffdfa)}.subhero-panel{min-height:420px;position:relative;overflow:hidden;border-radius:30px;background:var(--dark);color:#fff;display:grid;grid-template-columns:1.08fr .92fr;isolation:isolate}.subhero-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,41,37,.96),rgba(11,41,37,.75) 48%,rgba(11,41,37,.17));z-index:-1}.subhero-image{position:absolute;inset:0;z-index:-2}.subhero-image img{height:100%;opacity:.72}.subhero-copy{padding:56px 58px;align-self:center}.subhero-copy .eyebrow{background:rgba(255,255,255,.12);color:#ddf6e7}.subhero h1{font-size:48px;line-height:1.18;letter-spacing:-.06em;margin:17px 0}.subhero p{max-width:625px;color:#d8e9e2;margin:0}.hero-badges{display:flex;gap:9px;flex-wrap:wrap;margin-top:25px}.badge{padding:6px 11px;border:1px solid rgba(255,255,255,.23);background:rgba(255,255,255,.11);border-radius:999px;font-size:13px;font-weight:800}.hero-card{align-self:end;justify-self:end;margin:0 34px 32px 0;width:260px;padding:20px;border-radius:20px;background:rgba(255,253,250,.94);color:var(--ink);box-shadow:var(--shadow)}.hero-card b{display:block;font-size:17px}.hero-card p{font-size:13px;line-height:1.7;color:var(--muted);margin:7px 0 0}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.quick-card{min-height:178px;padding:23px;border:1px solid var(--line);border-radius:22px;background:#fff;transition:.25s}.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#9fcbbb}.qicon{width:45px;height:45px;display:grid;place-items:center;border-radius:15px;background:var(--mint);color:var(--green);font-size:22px;font-weight:900}.quick-card h3{margin:15px 0 5px;font-size:19px}.quick-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}.quick-card span{display:block;color:var(--green);font-size:13px;font-weight:800;margin-top:10px}
.support-band{background:var(--dark);color:#fff;position:relative;overflow:hidden}.support-band:after{content:"";position:absolute;width:400px;height:400px;border:1px solid rgba(167,202,131,.25);border-radius:50%;right:-100px;top:-120px;box-shadow:0 0 0 35px rgba(167,202,131,.05)}.guide-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:50px;position:relative}.guide-intro h2{font-size:34px;line-height:1.35;margin:13px 0}.guide-intro p{color:#c7dcd5}.guide-list{border-left:1px solid rgba(220,238,230,.25);padding-left:30px}.guide-row{position:relative;padding:0 0 28px 25px}.guide-row:before{content:"";position:absolute;width:12px;height:12px;background:var(--lime);border-radius:50%;left:-37px;top:9px;box-shadow:0 0 0 7px rgba(167,202,131,.12)}.guide-row:last-child{padding-bottom:0}.guide-row b{font-size:18px}.guide-row p{margin:5px 0 0;color:#c7dcd5;font-size:14px}
.reading-layout{display:grid;grid-template-columns:1fr .98fr;gap:34px;align-items:stretch}.photo-card{overflow:hidden;border-radius:28px;min-height:500px;position:relative;background:var(--dark)}.photo-card img{height:100%}.photo-card:after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(10,43,38,.9))}.photo-caption{position:absolute;z-index:1;left:30px;right:30px;bottom:27px;color:#fff}.photo-caption h3{font-size:25px;margin:0 0 6px}.photo-caption p{margin:0;color:#d4e6df;font-size:14px}.reading-copy{padding:8px 0}.reading-copy h2{font-size:32px;line-height:1.35;margin:12px 0}.reading-copy>p{color:var(--ink-2)}.notice{margin:20px 0;padding:19px 21px;border-radius:18px;background:#fff3ee;border-left:4px solid var(--coral);color:#754534;font-size:14px}.checklist{display:grid;gap:12px;margin-top:21px}.check{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.check:last-child{border-bottom:0}.check i{width:25px;height:25px;flex:0 0 25px;display:grid;place-items:center;border-radius:50%;background:#e1f2ea;color:var(--green);font-style:normal;font-weight:900;font-size:13px}
.faq-area{background:#f2f8f5}.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:40px}.faq-side{padding:25px;background:var(--dark);border-radius:26px;color:#fff}.faq-side h2{font-size:30px;line-height:1.35;margin:14px 0}.faq-side p{color:#c7dcd5}.faq-side a{margin-top:18px}.faq-list{display:grid;gap:11px}details{background:#fff;border:1px solid var(--line);border-radius:17px;padding:0 20px;transition:.2s}details[open]{border-color:#a9d2c1;box-shadow:0 10px 24px rgba(18,65,57,.06)}summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;font-weight:850;cursor:pointer}summary::-webkit-details-marker{display:none}summary:after{content:"+";width:28px;height:28px;display:grid;place-items:center;background:var(--mint);color:var(--green);border-radius:50%;font-size:20px;transition:.25s}details[open] summary:after{transform:rotate(45deg);background:var(--green);color:#fff}.answer{padding:0 0 18px;color:var(--muted);font-size:14px;line-height:1.85}
.form-section{background:linear-gradient(180deg,#fffdfa,#eaf6f0)}.form-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:32px}.form-note{padding:34px;border-radius:26px;background:#dff1e8}.form-note h2{font-size:32px;line-height:1.35;margin:10px 0}.form-note p{color:var(--ink-2)}.service-hours{margin-top:23px;padding-top:18px;border-top:1px solid #bed9ce}.service-hours b{display:block}.service-hours span{font-size:14px;color:var(--muted)}.feedback-form{padding:33px;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:grid;gap:6px;margin-bottom:15px}.field label{font-size:14px;font-weight:800}.req{color:var(--coral)}input,textarea,select{width:100%;border:1px solid #cadbd4;background:#fffdfa;border-radius:12px;padding:11px 13px;color:var(--ink);outline:none;transition:.2s}input:focus,textarea:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(8,124,104,.11)}textarea{resize:vertical;min-height:112px}.hint,.error{font-size:12px;color:var(--muted)}.error{display:none;color:#b94c34}.privacy{font-size:12px;color:var(--muted);margin:3px 0 15px}.form-success{display:none;margin-top:14px;padding:12px 14px;border-radius:12px;background:#e6f5ed;color:var(--green);font-weight:800;font-size:14px}
.related-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}.related-main{padding:30px;border-radius:26px;background:var(--dark);color:#fff}.related-main h2{font-size:30px;margin:7px 0}.related-main p{color:#c7dcd5;max-width:660px}.related-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.related-links a{padding:9px 13px;border:1px solid rgba(255,255,255,.22);border-radius:999px;font-size:13px;font-weight:800;transition:.2s}.related-links a:hover{background:#fff;color:var(--dark)}.related-aside{padding:27px;border:1px solid var(--line);border-radius:26px;background:#fff}.related-aside b{font-size:19px}.related-aside p{font-size:14px;color:var(--muted);margin:8px 0 18px}
footer{background:var(--dark-2);color:#d6e8e1;padding:58px 0 28px}.footer-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px}.footer-grid .logo{color:#fff}.footer-grid .logo-mark:after{background:var(--dark-2)}.footer-grid p{font-size:14px;max-width:430px;color:#a8c4bb}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.footer-links b{display:block;color:#fff;margin-bottom:10px}.footer-links a{display:block;color:#bad2c9;font-size:14px;margin:6px 0}.footer-links a:hover{color:var(--lime)}.filing{border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#9ab8ae}.filing a:hover{color:#fff}
@media(max-width:1024px){.quick-grid{grid-template-columns:repeat(2,1fr)}.subhero-copy{padding:44px}.subhero h1{font-size:42px}.service-tip{display:none}.reading-layout,.form-layout,.faq-layout{gap:24px}}@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.section{padding:57px 0}.brandbar{height:67px}.logo{font-size:20px}.brand-actions .btn{display:none}.menu-btn{display:block}.nav-item{font-size:13px}.subhero{padding:14px 0 28px}.subhero-panel{display:block;min-height:auto}.subhero-copy{padding:42px 26px 150px}.subhero h1{font-size:35px}.subhero-image{opacity:.74}.hero-card{position:absolute;left:18px;right:18px;bottom:18px;width:auto;margin:0}.section-head{display:block}.section-head h2{font-size:29px}.section-head p{margin-top:12px}.guide-layout,.reading-layout,.faq-layout,.form-layout,.related-grid,.footer-grid{grid-template-columns:1fr}.guide-list{padding-left:24px}.reading-layout{gap:22px}.photo-card{min-height:340px}.faq-side{padding:27px}.footer-links{grid-template-columns:repeat(3,1fr);gap:12px}}@media(max-width:520px){body{font-size:15px}.quick-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.subhero-copy{padding:34px 21px 152px}.subhero h1{font-size:31px}.subhero p,.lead{font-size:15px}.hero-badges{gap:6px}.badge{font-size:12px}.section-head h2,.reading-copy h2,.form-note h2{font-size:27px}.footer-links{grid-template-columns:1fr 1fr}.footer-links div:last-child{grid-column:span 2}.filing{display:grid}.btn{padding:12px 16px}.breadcrumb{font-size:12px}}