/* roulang page: index */
:root{--pine:#102a25;--lime:#d8f36a;--paper:#f6f7f2;--ink:#182822;--muted:#69766e;--line:#dfe5dc;--radius:22px;--shadow:0 18px 48px #102a2510}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;width:100%;height:auto}button,a,summary{ -webkit-tap-highlight-color:transparent}a,button{transition:background .2s,color .2s,transform .2s,box-shadow .2s}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #8cb133;outline-offset:5px}a:active,button:active{transform:translateY(1px)}::selection{background:var(--lime);color:var(--pine)}.container{width:min(1240px,calc(100% - 64px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:50;background:#f6f7f2f5;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav-shell{height:88px;display:flex;align-items:center;gap:40px}.brand{display:flex;align-items:center;gap:12px;white-space:nowrap;font-weight:850;font-size:23px;letter-spacing:-1px}.brand-symbol{display:grid;place-items:center;width:40px;height:40px;background:var(--pine);color:var(--lime);border-radius:12px;font-size:23px;letter-spacing:-5px;padding-right:5px}.nav-links{display:flex;gap:30px;align-items:center;margin-left:30px}.nav-links a{font-size:14px;color:var(--muted);position:relative;padding:10px 0}.nav-links a:hover,.nav-links a.active{color:var(--pine)}.nav-links a.active:after{content:"";position:absolute;bottom:2px;left:0;width:18px;height:3px;border-radius:4px;background:var(--pine)}.nav-actions{margin-left:auto;display:flex;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:15px;min-height:48px;padding:12px 23px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:650;line-height:1.5}.btn-primary{background:var(--lime);color:var(--pine)}.btn-primary:hover{background:#e6ff8b;box-shadow:0 5px 20px #d8f36a30;transform:translateY(-2px)}.btn-dark{background:var(--pine);color:white}.btn-dark:hover{background:#25483f}.btn-outline{background:transparent;border-color:var(--line)}.btn-outline:hover{background:#e7ecdf}.btn-light{color:#fff;border-color:#ffffff60;background:#ffffff0b}.btn-light:hover{background:#ffffff20}.menu-toggle{display:none;border:1px solid var(--line);border-radius:8px;background:transparent;width:42px;height:42px;font-size:22px}.hero{position:relative;isolation:isolate;min-height:720px;color:white;display:flex;align-items:center;overflow:hidden;background:var(--pine)}.hero-photo{position:absolute;inset:0;z-index:-3;height:100%;object-fit:cover;object-position:center}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#071c18ef 0%,#071c18c9 48%,#071c1855 100%);z-index:-2}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#071c18b0,transparent 45%);z-index:-1}.countdown-bar{position:absolute;top:0;left:0;width:100%;border-bottom:1px solid #ffffff26;background:#102a254d;font-size:12px;letter-spacing:1px}.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px}.live-dot{display:inline-block;width:7px;height:7px;background:var(--lime);border-radius:50%;margin-right:9px;box-shadow:0 0 0 5px #d8f36a15}.countdown{font-variant-numeric:tabular-nums;color:var(--lime);font-size:15px;letter-spacing:2px}.hero-copy{padding:115px 0 100px;max-width:790px}.eyebrow{font-size:12px;letter-spacing:3px;font-weight:700;color:#78886c;margin-bottom:17px}.hero .eyebrow{color:var(--lime)}h1{font-size:clamp(42px,5.5vw,76px);line-height:1.13;letter-spacing:-3px;font-weight:800;margin:0 0 28px}h1 span{color:var(--lime)}.hero-description{font-size:16px;line-height:2;color:#e1e8e3;max-width:690px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.hero-bottom{position:absolute;bottom:23px;left:0;width:100%;font-size:11px;letter-spacing:2px;color:#c3cfc9}.section{padding:88px 0;border-bottom:1px solid var(--line)}.section-white{background:#fff}.section-dark{background:var(--pine);color:#fff;border-color:#24433b}.section-head{display:flex;justify-content:space-between;gap:45px;align-items:flex-end;margin-bottom:34px}.section-head h2,h2.section-title{font-size:clamp(29px,3.4vw,42px);line-height:1.3;letter-spacing:-1.5px;font-weight:750;margin:0}.section-head p{max-width:570px}.intro{font-size:14px;line-height:1.95;color:var(--muted);margin:15px 0 0}.section-dark .intro{color:#b6c8bd}.number{color:#91a18d;font-size:12px;letter-spacing:2px;display:block;margin-bottom:14px}.text-link{display:inline-flex;gap:15px;align-items:center;font-size:14px;font-weight:650;white-space:nowrap;border-bottom:1px solid #afbaa5;padding:8px 0}.text-link:hover{gap:22px;color:#517620}.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:transform .25s,box-shadow .25s}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.tag{display:inline-flex;padding:4px 10px;border:1px solid var(--line);border-radius:40px;font-size:11px;color:#5a6c5c;line-height:1.5}.channel{display:flex;justify-content:space-between;align-items:center;gap:35px;padding:36px 42px;border:1px solid var(--line);border-radius:var(--radius);background:#eaf0df}.channel h3{font-size:27px;font-weight:700;margin:0 0 10px}.channel p{max-width:720px;font-size:14px;color:#5b6a59;margin:0}.channel-arrow{display:grid;place-items:center;width:58px;height:58px;flex-shrink:0;border-radius:50%;background:var(--pine);color:var(--lime);font-size:24px}.channel:hover .channel-arrow{transform:rotate(-35deg);transition:transform .25s}.image-wrap{overflow:hidden;position:relative;background:#dce3d7}.image-wrap img{height:290px;object-fit:cover;transition:transform .6s}.card:hover img{transform:scale(1.035)}.image-wrap:after{content:"";position:absolute;inset:55% 0 0;background:linear-gradient(transparent,#102a2538)}.card-body{padding:28px}.card h3{font-size:22px;font-weight:700;line-height:1.5;margin:13px 0 10px}.card p{font-size:14px;line-height:1.9;color:var(--muted);margin:0}.news-item{display:block;padding:27px 0;border-top:1px solid var(--line)}.news-item:last-child{border-bottom:1px solid var(--line)}.news-item h3{font-size:20px;font-weight:650;line-height:1.6;margin:10px 0}.news-item:hover h3{color:#678a26}.news-meta{display:flex;align-items:center;gap:15px;font-size:11px;color:var(--muted)}.news-summary{font-size:14px;color:var(--muted);line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.editor-note{padding:30px;border-radius:var(--radius);background:#e9eedf;height:fit-content}.editor-note h3{font-size:23px;font-weight:700;margin:22px 0 15px}.editor-note p{font-size:14px;color:#586952}.note-rule{height:1px;background:#cbd5bd;margin:25px 0}.empty{padding:36px 24px;border:1px dashed #b8c5af;border-radius:14px;font-size:14px;color:var(--muted)}.rank-row{display:flex;gap:22px;padding:27px 0;border-bottom:1px solid var(--line);align-items:flex-start}.rank-digit{font-size:34px;line-height:1.3;letter-spacing:-2px;color:#91a18d;min-width:42px}.rank-row:first-child .rank-digit{color:#517620}.rank-row h3{font-size:19px;font-weight:650;margin-bottom:8px}.rank-row p{font-size:14px;color:var(--muted);margin:0}.evidence-image{height:100%;min-height:390px;object-fit:cover;border-radius:var(--radius)}.evidence-point{border-top:1px solid #ffffff27;padding:20px 0;display:grid;grid-template-columns:35px 1fr;gap:15px}.evidence-point b{color:var(--lime);font-size:14px}.evidence-point h3{font-size:17px;margin-bottom:7px;font-weight:650}.evidence-point p{font-size:14px;color:#adc2b6}.partner-pill{padding:25px 20px;background:#fff;border:1px solid var(--line);border-radius:12px}.partner-pill span{font-size:12px;color:#7d8b77;display:block;margin-bottom:13px}.partner-pill h3{font-size:18px;font-weight:650;margin-bottom:8px}.partner-pill p{font-size:13px;color:var(--muted)}.safety{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:35px}.safety article{border-left:2px solid #b6c98f;padding-left:22px}.safety h3{font-size:18px;font-weight:650;margin-bottom:10px}.safety p{font-size:14px;color:var(--muted)}.metric{padding:28px 0;border-top:1px solid var(--line)}.metric strong{display:block;font-size:52px;font-weight:650;letter-spacing:-3px;line-height:1.2}.metric span{font-size:13px;color:var(--muted)}.bar{height:4px;background:#e1e8d7;border-radius:3px;margin-top:19px;overflow:hidden}.bar i{height:100%;display:block;background:#8ca953;border-radius:3px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;padding:23px 30px 23px 0;font-weight:650;font-size:16px;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:0;font-size:23px;top:17px;color:#6a8054}details[open] summary:after{content:"−"}details p{padding:0 30px 24px 0;color:var(--muted);font-size:14px;line-height:1.95}details[open]{background:#f0f3e9}.cta{background:var(--lime);padding:58px;border-radius:26px;display:flex;align-items:center;gap:40px;justify-content:space-between}.cta h2{font-size:36px;line-height:1.3;font-weight:750;letter-spacing:-1px;margin-bottom:17px}.cta p{max-width:740px;font-size:14px;color:#42552c;line-height:1.95}.cta .btn{flex-shrink:0}.site-footer{background:#0c211c;color:#e2eae2;padding:60px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:45px;padding-bottom:38px;border-bottom:1px solid #ffffff20}.footer-copy{max-width:490px;font-size:13px;color:#a0b3a6;margin-top:20px}.footer-links{display:flex;gap:30px;align-items:flex-start;font-size:13px;color:#c0cec4;flex-wrap:wrap}.footer-links a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:24px;font-size:11px;color:#829b8b;padding-top:24px;flex-wrap:wrap}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);z-index:80;padding:14px 24px;border-radius:12px;background:var(--pine);color:#fff;box-shadow:var(--shadow);font-size:13px;opacity:0;pointer-events:none;transition:.25s;max-width:90vw}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:1025px){.reveal{animation:rise .7s both}@keyframes rise{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:1024px){.container{width:calc(100% - 48px)}.nav-shell{gap:20px}.nav-links{margin-left:0;gap:20px}.nav-actions .btn-outline{display:none}.hero{min-height:690px}.section{padding:65px 0}.section-head{gap:30px}.section-head p{max-width:490px}.cta{padding:38px}.cta h2{font-size:30px}.image-wrap img{height:240px}}
@media(max-width:768px){.nav-shell{height:72px}.brand{font-size:21px}.nav-actions{margin-left:auto}.nav-actions .btn{display:none}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:72px;left:0;right:0;padding:16px 24px 23px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 20px #102a2510}.nav-links.open{display:flex;flex-direction:column;align-items:stretch;gap:8px}.nav-links a.active:after{display:none}.nav-links a.active{background:#e6eddb;border-radius:7px;padding-left:12px}.hero{min-height:740px}.hero-copy{padding-top:120px}.hero-description{font-size:15px}.section-head{display:block}.section-head .text-link{margin-top:20px}.section-head p{max-width:none}.channel{padding:27px;gap:20px}.safety{grid-template-columns:1fr;gap:24px}.cta{display:block}.cta .btn{margin-top:25px}.footer-top{flex-direction:column}.evidence-image{min-height:280px;max-height:350px}.countdown-inner{font-size:10px;gap:10px}.countdown{font-size:13px}.hero-bottom{font-size:9px}.section{padding:55px 0}}
@media(max-width:520px){.container{width:calc(100% - 36px)}h1{font-size:43px;letter-spacing:-2px}.hero{min-height:780px}.hero-copy{padding:110px 0 80px}.hero-description{font-size:14px;line-height:2}.hero-actions{gap:10px}.hero-actions .btn{padding-inline:17px}.countdown-inner>span:first-child{max-width:48%}.countdown{letter-spacing:1px}.section-head h2,h2.section-title{font-size:29px}.channel{padding:24px 20px;align-items:flex-start}.channel h3{font-size:23px}.channel-arrow{width:38px;height:38px;font-size:19px}.card-body{padding:23px}.card h3{font-size:21px}.cta{padding:30px 23px}.cta h2{font-size:29px}.footer-links{gap:20px}.rank-row{gap:17px}.metric strong{font-size:44px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* roulang page: article */
:root{--pine:#102a25;--lime:#d8f36a;--paper:#f6f7f2;--ink:#182822;--muted:#69766e;--line:#dfe5dc;--radius:22px;--shadow:0 18px 48px #102a2510}
*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;width:100%;height:auto}
button,a,summary{-webkit-tap-highlight-color:transparent}
a,button{transition:background .2s,color .2s,transform .2s,box-shadow .2s}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #8cb133;outline-offset:5px}
a:active,button:active{transform:translateY(1px)}
::selection{background:var(--lime);color:var(--pine)}
.container{width:min(1240px,calc(100% - 64px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;background:#f6f7f2f5;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-shell{height:88px;display:flex;align-items:center;gap:40px}
.brand{display:flex;align-items:center;gap:12px;white-space:nowrap;font-weight:850;font-size:23px;letter-spacing:-1px}
.brand-symbol{display:grid;place-items:center;width:40px;height:40px;background:var(--pine);color:var(--lime);border-radius:12px;font-size:23px;letter-spacing:-5px;padding-right:5px}
.nav-links{display:flex;gap:30px;align-items:center;margin-left:30px}
.nav-links a{font-size:14px;color:var(--muted);position:relative;padding:10px 0}
.nav-links a:hover,.nav-links a.active{color:var(--pine)}
.nav-links a.active:after{content:"";position:absolute;bottom:2px;left:0;width:18px;height:3px;border-radius:4px;background:var(--pine)}
.nav-actions{margin-left:auto;display:flex;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:15px;min-height:48px;padding:12px 23px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:650;line-height:1.5}
.btn-primary{background:var(--lime);color:var(--pine)}
.btn-primary:hover{background:#e6ff8b;box-shadow:0 5px 20px #d8f36a30;transform:translateY(-2px)}
.btn-dark{background:var(--pine);color:white}
.btn-dark:hover{background:#25483f}
.btn-outline{background:transparent;border-color:var(--line)}
.btn-outline:hover{background:#e7ecdf}
.menu-toggle{display:none;border:1px solid var(--line);border-radius:8px;background:transparent;width:42px;height:42px;font-size:22px}
.section{padding:72px 0;border-bottom:1px solid var(--line)}
.section-white{background:#fff}
.section-dark{background:var(--pine);color:#fff;border-color:#24433b}
.eyebrow{font-size:12px;letter-spacing:3px;font-weight:700;color:#78886c;margin-bottom:17px}
.section-head{display:flex;justify-content:space-between;gap:45px;align-items:flex-end;margin-bottom:34px}
.section-head h2,h2.section-title{font-size:clamp(27px,3.4vw,38px);line-height:1.35;letter-spacing:-1px;font-weight:750;margin:0}
.text-link{display:inline-flex;gap:15px;align-items:center;font-size:14px;font-weight:650;border-bottom:1px solid #afbaa5;padding:8px 0}
.text-link:hover{gap:22px;color:#517620}
.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tag{display:inline-flex;padding:5px 12px;border:1px solid var(--line);border-radius:40px;font-size:12px;color:#5a6c5c;line-height:1.5}
.cta{background:var(--lime);padding:52px;border-radius:26px;display:flex;align-items:center;gap:40px;justify-content:space-between}
.cta h2{font-size:36px;line-height:1.3;font-weight:750;letter-spacing:-1px;margin:0 0 17px}
.cta p{max-width:740px;font-size:14px;color:#42552c;line-height:1.95;margin:0}
.cta .btn{flex-shrink:0}
.site-footer{background:#0c211c;color:#e2eae2;padding:60px 0 25px}
.footer-top{display:flex;justify-content:space-between;gap:45px;padding-bottom:38px;border-bottom:1px solid #ffffff20}
.footer-copy{max-width:490px;font-size:13px;color:#a0b3a6;margin-top:20px}
.footer-links{display:flex;gap:30px;align-items:flex-start;font-size:13px;color:#c0cec4;flex-wrap:wrap}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:24px;font-size:11px;color:#829b8b;padding-top:24px;flex-wrap:wrap}
.read-progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:70;pointer-events:none}
.read-progress span{display:block;height:100%;width:0;background:#8fb23c;transition:width .1s linear}
.article-hero{padding:38px 0 60px;border-bottom:1px solid var(--line);overflow:hidden}
.breadcrumb{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--muted);margin-bottom:35px}
.breadcrumb a:hover{color:var(--pine)}
.hero-stack{display:grid;grid-template-columns:minmax(0,1fr) 305px;gap:24px;align-items:center}
.title-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:48px;box-shadow:var(--shadow);position:relative;z-index:2}
.title-card:before{content:"";display:block;width:42px;height:4px;background:var(--lime);margin-bottom:24px}
.title-card h1{font-size:clamp(30px,3.4vw,49px);font-weight:780;line-height:1.38;letter-spacing:-1.5px;margin:20px 0 25px;overflow-wrap:anywhere}
.article-meta{display:flex;gap:12px 20px;flex-wrap:wrap;color:var(--muted);font-size:12px;border-top:1px solid var(--line);padding-top:21px}
.hero-side{display:grid;gap:17px}
.side-photo{border-radius:20px;overflow:hidden;transform:rotate(2deg);position:relative;background:var(--pine);box-shadow:var(--shadow)}
.side-photo img{height:184px;object-fit:cover;opacity:.85;transition:transform .6s}
.side-photo:hover img{transform:scale(1.04)}
.side-note{border-radius:18px;background:var(--pine);color:white;padding:26px;transform:rotate(-2deg)}
.side-note strong{display:block;font-size:25px;line-height:1.4;letter-spacing:-.5px}
.side-note p{font-size:12px;color:#b6c8bd;margin:12px 0 0}
.side-note .eyebrow{color:var(--lime);font-size:10px;letter-spacing:2px;margin-bottom:12px}
.summary-strip{padding:23px 0;border-bottom:1px solid var(--line)}
.summary-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.summary-label{font-size:13px;font-weight:700;color:var(--pine)}
.summary-items{display:flex;gap:30px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.summary-items span:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#8ba641;margin-right:9px;vertical-align:middle}
.reading-section{padding:58px 0 72px;background:#fff;border-bottom:1px solid var(--line)}
.reading-grid{display:grid;grid-template-columns:minmax(0,820px) minmax(230px,1fr);gap:64px;align-items:start}
.article-abstract{padding:25px 28px;background:var(--paper);border-left:3px solid #9bb74b;border-radius:0 12px 12px 0;margin-bottom:38px}
.article-abstract h2{font-size:13px;font-weight:750;margin:0 0 10px;letter-spacing:2px}
.article-abstract p{font-size:15px;line-height:1.95;color:#526058;margin:0;overflow-wrap:anywhere}
.article-content{font-size:17px;line-height:2.05;overflow-wrap:anywhere}
.article-content>:first-child{margin-top:0}
.article-content h2{font-size:28px;line-height:1.5;font-weight:750;letter-spacing:-.5px;margin:42px 0 20px}
.article-content h3{font-size:22px;line-height:1.55;font-weight:700;margin:30px 0 16px}
.article-content p{margin:0 0 23px}
.article-content ul,.article-content ol{padding-left:26px;margin:22px 0}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin:9px 0;padding-left:5px}
.article-content a{color:#526f22;text-decoration:underline;text-underline-offset:4px}
.article-content a:hover{color:var(--pine)}
.article-content blockquote{margin:30px 0;padding:24px 28px;border-left:3px solid var(--lime);background:var(--paper);color:#526058;border-radius:0 12px 12px 0}
.article-content blockquote p:last-child{margin:0}
.article-content img{border-radius:16px;margin:30px 0;max-width:100%;height:auto}
.article-content figure{margin:30px 0}
.article-content figcaption{font-size:12px;color:var(--muted);text-align:center}
.article-content table{display:block;overflow-x:auto;border-collapse:collapse;width:100%;margin:28px 0;font-size:14px}
.article-content td,.article-content th{padding:13px 18px;border:1px solid var(--line);text-align:left}
.article-content th{background:var(--paper)}
.article-content pre{overflow:auto;padding:20px;border-radius:12px;background:var(--paper);font-size:14px}
.article-content hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.aside-note{padding:26px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}
.aside-note h2{font-size:17px;font-weight:700;margin:0 0 18px}
.aside-note h3{font-size:13px;font-weight:700;margin:0 0 6px}
.aside-note p{font-size:12px;line-height:1.95;color:var(--muted);margin:0}
.aside-row{border-top:1px solid var(--line);padding-top:19px;margin-top:19px}
.aside-mark{font-size:54px;line-height:1;font-weight:800;letter-spacing:-4px;color:#ced9c4;margin:34px 0 18px}
.reading-end{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;border-top:1px solid var(--line);padding-top:25px;margin-top:45px}
.reading-end p{font-size:12px;color:var(--muted);margin:0}
.empty-state{padding:65px 25px;text-align:center;border:1px dashed var(--line);border-radius:20px;background:var(--paper)}
.empty-state h2{font-size:28px;font-weight:750;margin:0 0 25px}
.values-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:32px}
.value-item{border-top:1px solid var(--line);padding-top:25px}
.value-item .number{color:#8d9f7e;font-size:12px;letter-spacing:2px}
.value-item h3{font-size:20px;font-weight:700;margin:14px 0 12px}
.value-item p{font-size:14px;color:var(--muted);line-height:1.95;margin:0}
.faq-layout{display:grid;grid-template-columns:1fr 1.7fr;gap:70px}
.faq-intro{font-size:14px;color:var(--muted);line-height:1.95;max-width:280px;margin-top:20px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{cursor:pointer;list-style:none;display:flex;gap:20px;align-items:center;justify-content:space-between;padding:23px 0;font-size:16px;font-weight:650}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";font-size:23px;font-weight:400;color:#7c8e69;flex-shrink:0}
.faq-list details[open] summary:after{content:"−"}
.faq-list details[open] summary{color:#517620}
.faq-list details p{font-size:14px;color:var(--muted);line-height:1.95;padding:0 30px 24px 0;margin:0}
@media(min-width:1025px){.article-aside{position:sticky;top:120px}}
@media(max-width:1024px){
.container{width:calc(100% - 48px)}
.nav-shell{gap:24px}.nav-links{margin-left:10px;gap:24px}
.hero-stack{grid-template-columns:minmax(0,1fr) 250px}
.title-card{padding:34px}.reading-grid{gap:35px;grid-template-columns:minmax(0,1fr) 240px}
.cta{padding:38px}.cta h2{font-size:30px}
.footer-top{gap:35px}.footer-links{gap:20px}
}
@media(max-width:768px){
.nav-shell{height:76px;gap:20px;flex-wrap:wrap;position:relative}
.brand{font-size:21px}.brand-symbol{width:36px;height:36px}
.menu-toggle{display:block;margin-left:auto}.nav-actions{display:none}
.nav-links{display:none;position:absolute;top:76px;left:-24px;right:-24px;padding:16px 24px 22px;margin:0;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 14px 25px #102a2510}
.nav-links.is-open{display:flex}
.hero-stack{grid-template-columns:1fr}.hero-side{grid-template-columns:1fr 1fr;gap:18px;align-items:stretch;padding:7px}
.side-photo img{height:100%;min-height:170px}.side-note{display:flex;flex-direction:column;justify-content:center}
.article-hero{padding:25px 0 36px}.breadcrumb{margin-bottom:24px}
.summary-inner{align-items:flex-start;flex-direction:column;gap:12px}
.summary-items{gap:12px 24px}
.reading-grid{grid-template-columns:1fr;gap:40px}
.article-aside{display:none}
.section{padding:55px 0}.reading-section{padding:40px 0 55px}
.section-head{gap:20px}
.values-grid{gap:22px}.value-item h3{font-size:18px}
.faq-layout{grid-template-columns:1fr;gap:25px}.faq-intro{max-width:none}
.cta{flex-direction:column;align-items:flex-start;gap:26px}
.footer-top{flex-direction:column}.footer-links{gap:18px 26px}
}
@media(max-width:520px){
.container{width:calc(100% - 36px)}
.nav-links{left:-18px;right:-18px;padding-inline:18px}
.title-card{padding:27px 23px;border-radius:20px}
.title-card h1{font-size:30px;letter-spacing:-.8px;margin:18px 0 24px}
.article-meta{gap:8px 14px;font-size:11px}
.hero-side{gap:12px;padding:2px}
.side-note{padding:18px;transform:rotate(-1deg)}
.side-note strong{font-size:21px}.side-note p{font-size:11px}.side-note .eyebrow{letter-spacing:1px}
.side-photo img{min-height:178px}
.article-abstract{padding:20px}.article-content{font-size:16px}
.article-content h2{font-size:24px}.article-content h3{font-size:20px}
.values-grid{grid-template-columns:1fr;gap:25px}
.section-head{display:block}.section-head h2,h2.section-title{font-size:27px}
.cta{padding:29px 24px;border-radius:20px}.cta h2{font-size:28px}
.cta .btn{width:100%}.footer-bottom{gap:12px}.site-footer{padding-top:42px}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*:before,*:after{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{--pine:#102a25;--lime:#d8f36a;--paper:#f6f7f2;--ink:#182822;--muted:#69766e;--line:#dfe5dc;--radius:22px;--shadow:0 18px 48px #102a2510}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:105px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;width:100%;height:auto}h1,h2,h3,p{margin:0}button,a,summary{-webkit-tap-highlight-color:transparent}
a,button{transition:background .2s,color .2s,transform .2s,box-shadow .2s}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #8cb133;outline-offset:5px}
a:active,button:active{transform:translateY(1px)}
.container{width:min(1240px,calc(100% - 64px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;background:#f6f7f2f5;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-shell{height:88px;display:flex;align-items:center;gap:40px}
.brand{display:flex;align-items:center;gap:12px;white-space:nowrap;font-weight:850;font-size:23px;letter-spacing:-1px}
.brand-symbol{display:grid;place-items:center;width:40px;height:40px;background:var(--pine);color:var(--lime);border-radius:12px;font-size:23px;letter-spacing:-5px;padding-right:5px}
.nav-links{display:flex;gap:30px;align-items:center;margin-left:30px}
.nav-links a{font-size:14px;color:var(--muted);position:relative;padding:10px 0}
.nav-links a:hover,.nav-links a.active{color:var(--pine)}
.nav-links a.active:after{content:"";position:absolute;bottom:2px;left:0;width:18px;height:3px;border-radius:4px;background:var(--pine)}
.nav-actions{margin-left:auto;display:flex;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:15px;min-height:48px;padding:12px 23px;border-radius:9px;border:1px solid transparent;font-size:14px;font-weight:650;line-height:1.5}
.btn-primary{background:var(--lime);color:var(--pine)}
.btn-primary:hover{background:#e6ff8b;box-shadow:0 5px 20px #d8f36a30;transform:translateY(-2px)}
.btn-dark{background:var(--pine);color:white}.btn-dark:hover{background:#25483f}
.btn-outline{background:transparent;border-color:var(--line)}.btn-outline:hover{background:#e7ecdf}
.btn-light{color:#fff;border-color:#ffffff60;background:#ffffff0b}.btn-light:hover{background:#ffffff20}
.menu-toggle{display:none;border:1px solid var(--line);border-radius:8px;background:transparent;width:42px;height:42px;font-size:22px}
.section{padding:88px 0;border-bottom:1px solid var(--line)}
.section-white{background:#fff}.section-dark{background:var(--pine);color:#fff;border-color:#24433b}
.eyebrow{font-size:12px;letter-spacing:3px;font-weight:700;color:#78886c;margin-bottom:17px}
.section-head{display:flex;justify-content:space-between;gap:45px;align-items:flex-end;margin-bottom:34px}
.section-head h2,h2.section-title{font-size:clamp(29px,3.4vw,42px);line-height:1.3;letter-spacing:-1.5px;font-weight:750}
.intro{color:var(--muted);font-size:15px;line-height:2}
.section-head p{max-width:520px}.section-dark .intro{color:#b6c8bd}
.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-body{padding:28px}.card h3{font-size:22px;font-weight:700;line-height:1.5;margin:13px 0 10px}.card p{font-size:14px;line-height:1.9;color:var(--muted)}
.tag{display:inline-flex;padding:4px 10px;border:1px solid var(--line);border-radius:40px;font-size:11px;color:#5a6c5c;line-height:1.5}
.image-wrap{overflow:hidden}.image-wrap img{height:290px;object-fit:cover;transition:transform .6s}.card:hover img{transform:scale(1.035)}
.text-link{display:inline-flex;gap:15px;align-items:center;font-size:14px;font-weight:650;white-space:nowrap;border-bottom:1px solid #afbaa5;padding:8px 0}.text-link:hover{gap:22px;color:#517620}
.hero{padding:58px 0 76px;border-bottom:1px solid var(--line)}
.breadcrumb{font-size:12px;color:var(--muted);display:flex;gap:12px;margin-bottom:35px}.breadcrumb a:hover{color:var(--pine)}
.hero h1{font-size:clamp(44px,5.6vw,76px);font-weight:800;line-height:1.16;letter-spacing:-3px;margin:20px 0 25px}
.hero h1 span{color:#698531}
.hero-description{font-size:16px;color:var(--muted);line-height:2;max-width:570px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.group-note{display:flex;align-items:center;gap:12px;margin-top:28px;font-size:12px;color:var(--muted)}
.group-symbol{display:flex}.group-symbol span{width:30px;height:30px;border:2px solid var(--paper);border-radius:50%;background:#e3ead4;display:grid;place-items:center;color:var(--pine);margin-left:-7px;font-size:11px}.group-symbol span:first-child{margin-left:0;background:var(--lime)}
.feature-panel{position:relative;border-radius:24px;overflow:hidden;min-height:450px;background:var(--pine)}
.feature-panel img{height:450px;object-fit:cover;opacity:.65}
.feature-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#071c18f5,transparent 85%)}
.feature-caption{position:absolute;bottom:30px;left:30px;right:30px;color:#fff;z-index:1}
.feature-caption .tag{color:var(--lime);border-color:#ffffff40}
.feature-caption h2{font-size:30px;line-height:1.4;font-weight:700;margin:16px 0 12px}
.feature-caption p{font-size:13px;color:#d3dfd6}
.pain-list{border-top:1px solid var(--line)}
.pain-row{display:grid;grid-template-columns:55px 1fr;gap:20px;padding:25px 0;border-bottom:1px solid var(--line)}
.pain-number{font-size:13px;color:#80936f;padding-top:5px}
.pain-row h3{font-size:20px;font-weight:650;margin-bottom:9px}.pain-row p{font-size:14px;color:var(--muted)}
.topic-icon{width:45px;height:45px;border-radius:13px;background:#eef3e2;display:grid;place-items:center;color:#536a2a;font-size:21px}
.step{padding:28px 0;border-top:1px solid #ffffff26;display:grid;grid-template-columns:55px 1fr;gap:20px}
.step:last-child{border-bottom:1px solid #ffffff26}.step-number{font-size:25px;color:var(--lime);font-weight:600}
.step h3{font-size:20px;font-weight:650;margin-bottom:8px}.step p{font-size:14px;color:#b6c8bd}
.method-note{padding:30px;border:1px solid #ffffff24;border-radius:22px;margin-top:30px;font-size:14px;color:#b6c8bd}
.metric{padding:28px 0;border-bottom:1px solid var(--line)}
.metric strong{font-size:40px;font-weight:700;letter-spacing:-2px;line-height:1.2}.metric strong span{font-size:15px;letter-spacing:0;margin-left:10px;color:var(--muted)}
.metric h3{font-size:17px;font-weight:650;margin:14px 0 8px}.metric p{font-size:14px;color:var(--muted)}
.evidence-box{border-radius:24px;background:#eaf0de;padding:36px;align-self:stretch}
.evidence-box h3{font-size:25px;font-weight:700;line-height:1.5;margin-bottom:20px}
.evidence-box li{padding:16px 0;border-top:1px solid #cdd8bd;font-size:14px;color:#4c6049}
.audience-item{padding:28px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:120px 1fr;gap:25px}
.audience-item h3{font-size:19px;font-weight:650}.audience-item p{font-size:14px;color:var(--muted)}
.side-note{background:var(--pine);color:white;border-radius:22px;padding:32px}
.side-note h3{font-size:27px;line-height:1.5;font-weight:700}.side-note p{font-size:14px;color:#c0d0c4;margin-top:22px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:23px 0}
summary{cursor:pointer;font-size:17px;font-weight:650;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}summary:after{content:"+";font-size:23px;font-weight:400;color:#78886c}details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:14px;line-height:2;padding-top:16px;max-width:790px}
.cta{background:var(--lime);padding:58px;border-radius:26px;display:flex;align-items:center;gap:40px;justify-content:space-between}
.cta h2{font-size:36px;line-height:1.3;font-weight:750;letter-spacing:-1px;margin-bottom:17px}
.cta p{max-width:740px;font-size:14px;color:#42552c;line-height:1.95}.cta .btn{flex-shrink:0}
.site-footer{background:#0c211c;color:#e2eae2;padding:60px 0 25px}
.footer-top{display:flex;justify-content:space-between;gap:45px;padding-bottom:38px;border-bottom:1px solid #ffffff20}
.footer-copy{max-width:490px;font-size:13px;color:#a0b3a6;margin-top:20px}
.footer-links{display:flex;gap:30px;align-items:flex-start;font-size:13px;color:#c0cec4;flex-wrap:wrap}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:24px;font-size:11px;color:#829b8b;padding-top:24px;flex-wrap:wrap}
@media(min-width:1025px){.feature-panel{transform:rotate(1deg)}}
@media(max-width:1024px){.container{width:calc(100% - 48px)}.nav-shell{gap:22px}.nav-links{margin-left:0;gap:22px}.nav-actions .btn-outline{display:none}.hero h1{font-size:56px}.section{padding:65px 0}.feature-panel,.feature-panel img{min-height:410px;height:410px}.section-head{gap:28px}.footer-top{flex-direction:column}.cta{padding:40px}}
@media(max-width:768px){.nav-shell{height:74px;position:relative}.brand{font-size:21px}.nav-actions{display:none}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:-24px;right:-24px;top:74px;background:var(--paper);padding:20px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav-links.is-open{display:flex}.section-head{display:block}.section-head p{margin-top:20px}.hero{padding:32px 0 50px}.hero h1{font-size:52px}.hero-description{max-width:none}.feature-panel,.feature-panel img{height:360px;min-height:360px}.section{padding:56px 0}.cta{align-items:flex-start;flex-direction:column;gap:25px}.cta h2{font-size:30px}.footer-links{gap:20px}.footer-bottom{gap:12px}.audience-item{grid-template-columns:100px 1fr}}
@media(max-width:520px){.container{width:calc(100% - 36px)}.nav-links{left:-18px;right:-18px;padding-inline:18px}.hero h1{font-size:43px;letter-spacing:-2px}.hero-description{font-size:15px}.hero-actions .btn{flex:1;padding-inline:14px}.feature-panel,.feature-panel img{height:325px;min-height:325px}.feature-caption{left:24px;right:24px;bottom:24px}.feature-caption h2{font-size:26px}.section-head h2,h2.section-title{font-size:29px}.card-body{padding:24px}.evidence-box,.side-note{padding:26px}.audience-item{grid-template-columns:1fr;gap:10px}.cta{padding:28px}.cta h2{font-size:28px}.footer-links{column-gap:22px;row-gap:14px}.group-note{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}