/* roulang page: index */
:root{--ink:#172a28;--muted:#667572;--green:#215e4b;--green-dark:#153f33;--mint:#e7efe9;--paper:#f6f7f3;--white:#fff;--line:#dce3dc;--accent:#d9ee77;--radius:20px;--shadow:0 14px 38px rgba(23,42,40,.07);--space:76px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s,box-shadow .2s}img{max-width:100%;display:block;object-fit:cover}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #8ba83a;outline-offset:5px}::selection{background:var(--accent);color:var(--ink)}.container{max-width:1200px;padding-left:28px;padding-right:28px}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:750;line-height:1.35;letter-spacing:-.035em}h1{font-size:clamp(32px,4vw,52px);margin-bottom:20px}h2{font-size:clamp(26px,3vw,35px);margin-bottom:18px}h3{font-size:20px;margin-bottom:12px}p{margin-bottom:18px}p:last-child{margin-bottom:0}.muted{color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--green);margin-bottom:16px;display:block}.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;backdrop-filter:blur(18px)}.navbar{min-height:82px;padding:12px 0}.navbar-brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:23px;font-weight:800;margin-right:42px}.brand-mark{width:40px;height:40px;display:grid;place-items:center;background:var(--green);color:var(--accent);border-radius:12px;font-size:16px;letter-spacing:-1px}.brand-sub{font-size:10px;color:var(--muted);display:block;line-height:1.1;letter-spacing:.13em;margin-top:3px}.navbar-nav{gap:10px}.navbar .nav-link{font-size:14px;color:var(--muted);padding:10px 18px!important;border-radius:9px;font-weight:600}.navbar .nav-link:hover,.navbar .nav-link.active{background:var(--mint);color:var(--green)}.nav-note{margin-left:auto;font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}.dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}.navbar-toggler{border:1px solid var(--line);font-size:18px;border-radius:9px;padding:8px 12px;box-shadow:none!important;color:var(--ink)}.breadcrumb-line{font-size:12px;color:var(--muted);padding:15px 0;display:flex;gap:12px;align-items:center}.breadcrumb-line span:last-child{color:var(--ink)}section{padding:var(--space) 0;border-bottom:1px solid var(--line)}.hero{padding:0 0 36px;background:#eef1e9}.hero-band{position:relative;overflow:hidden;min-height:360px;background:var(--green-dark);color:#fff;border-radius:4px 4px 24px 24px;isolation:isolate}.hero-bg{position:absolute;width:100%;height:100%;inset:0;z-index:-2;object-position:center 45%;opacity:.38}.hero-band:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,35,28,.96),rgba(12,35,28,.8) 60%,rgba(12,35,28,.22));z-index:-1}.hero-copy{padding:45px 48px;max-width:870px}.hero .eyebrow{color:var(--accent);letter-spacing:.09em}.hero p{font-size:15px;line-height:1.95;color:#e0e8e1;max-width:740px}.hero-bottom{display:flex;align-items:center;gap:28px;margin-top:24px}.hero-note{font-size:12px;color:#d8e3da}.btn{border-radius:10px;padding:12px 23px;font-size:14px;font-weight:650;transition:all .2s;box-shadow:none!important}.btn-lime{background:var(--accent);color:var(--ink);border:1px solid var(--accent)}.btn-lime:hover{background:#e7f7a8;color:var(--ink);transform:translateY(-2px)}.btn-lime:active{transform:translateY(0);background:#c6dd5b!important}.btn-outline-green{border:1px solid var(--line);color:var(--green);background:#fff}.btn-outline-green:hover{border-color:var(--green);background:var(--mint);color:var(--green)}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:30px}.section-head .intro{max-width:610px;font-size:15px;color:var(--muted)}.section-head h2{margin-bottom:0}.section-head .eyebrow{margin-bottom:10px}.surface{background:#fff}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.card-custom{padding:28px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius);height:100%;transition:transform .2s,box-shadow .2s,border-color .2s}.card-custom:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#aabdb0}.card-custom p{font-size:14px;color:var(--muted)}.number{font-size:12px;font-weight:700;color:var(--green);display:block;margin-bottom:28px}.tag{display:inline-flex;align-items:center;border-radius:30px;padding:4px 11px;background:var(--mint);color:var(--green);font-size:11px;font-weight:650;line-height:1.6}.coverage-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:70px;align-items:center}.coverage-art{position:relative;background:var(--mint);border-radius:var(--radius);min-height:250px;display:flex;flex-direction:column;justify-content:center;padding:34px;overflow:hidden}.coverage-art:after{content:"";width:260px;height:260px;border:1px solid #b8ccbc;border-radius:50%;position:absolute;right:-60px;top:-60px;box-shadow:0 0 0 35px rgba(184,204,188,.17),0 0 0 70px rgba(184,204,188,.12)}.coverage-art strong{font-size:37px;line-height:1.25;position:relative;z-index:1}.coverage-art p{font-size:14px;max-width:270px;margin-top:15px;position:relative;z-index:1}.pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px;position:relative;z-index:1}.scene-card{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--ink);min-height:340px;display:flex;align-items:flex-end;color:#fff}.scene-card img{position:absolute;inset:0;width:100%;height:100%;opacity:.65;transition:transform .5s}.scene-card:hover img{transform:scale(1.04)}.scene-card:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 5%,rgba(10,28,23,.96))}.scene-content{position:relative;z-index:1;padding:30px}.scene-content p{font-size:14px;color:#e0e7df}.scene-content .tag{background:rgba(255,255,255,.15);color:#fff;margin-bottom:12px}.local-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 45px}.local-list li{padding:26px 0;border-top:1px solid var(--line)}.local-list h3{font-size:18px}.local-list p{font-size:14px;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}.step{padding:28px;border-right:1px solid var(--line)}.step:last-child{border:0}.step strong{display:block;font-size:30px;color:#90a58d;margin-bottom:18px}.step h3{font-size:17px}.step p{font-size:13px;color:var(--muted)}.dark-section{background:var(--ink);color:#fff}.dark-section .eyebrow{color:var(--accent)}.dark-section .intro,.dark-section p{color:#c4d1c9}.proof-line{display:flex;gap:26px;border-top:1px solid #43534b;padding:23px 0}.proof-line:last-child{padding-bottom:0}.proof-line b{color:var(--accent);min-width:110px;font-size:17px}.proof-line p{font-size:14px}.case-block{display:grid;grid-template-columns:.65fr 1.35fr;gap:45px;padding:32px 0;border-top:1px solid var(--line)}.case-block h3{margin-bottom:8px}.case-block p{font-size:14px;color:var(--muted)}.case-block .tag{margin-bottom:15px}.quote-panel{padding:36px;border-left:4px solid var(--green);background:var(--mint);border-radius:0 var(--radius) var(--radius) 0}.quote-panel blockquote{margin:0 0 16px;font-size:clamp(22px,3vw,30px);line-height:1.65;font-weight:600;letter-spacing:-.02em}.quote-panel p{font-size:14px;color:var(--muted)}.channel-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 26px;border:1px solid var(--line);border-radius:14px;margin-bottom:26px;background:#fff}.channel-strip p{font-size:13px;color:var(--muted);margin:3px 0 0}.text-link{color:var(--green);font-weight:650;font-size:14px;white-space:nowrap}.text-link:hover{color:#547b31}.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;position:relative;transition:box-shadow .2s,transform .2s}.news-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);margin-bottom:20px}.news-card h3{font-size:19px;overflow-wrap:anywhere}.news-card h3 a:hover{color:var(--green)}.news-card p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:24px}.news-bottom{margin-top:auto;font-size:12px;color:var(--green);display:flex;align-items:center;justify-content:space-between;padding-top:15px;border-top:1px solid var(--line)}.empty-state{padding:38px;border:1px dashed #b9c9bc;border-radius:var(--radius);color:var(--muted);background:#fff}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.metric{border-top:2px solid var(--green);padding:24px 0 0}.metric strong{display:block;font-size:37px;line-height:1.25;margin-bottom:12px;letter-spacing:-.04em}.metric h3{font-size:15px}.metric p{font-size:13px;color:var(--muted)}.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.faq-layout>div>p{font-size:14px;color:var(--muted)}details{border-bottom:1px solid var(--line);padding:21px 0}details:first-child{padding-top:0}summary{list-style:none;font-weight:650;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"＋";color:var(--green);font-size:20px;line-height:1.4}details[open] summary:after{content:"－"}details p{font-size:14px;color:var(--muted);margin-top:16px;padding-right:25px}.cta-section{padding:44px 0 64px;border:0}.cta-panel{padding:38px 42px;border-radius:var(--radius);background:var(--accent);display:flex;align-items:center;justify-content:space-between;gap:40px}.cta-panel p{max-width:680px;color:#40502b;font-size:14px}.cta-panel h2{font-size:27px;margin-bottom:12px}.cta-panel .btn{background:var(--ink);color:#fff;border:1px solid var(--ink);white-space:nowrap}.cta-panel .btn:hover{background:var(--green);transform:translateY(-2px)}.share-status{font-size:12px;margin-top:9px;min-height:22px;color:#40502b}.site-footer{background:#e9ede6;border-top:1px solid var(--line);padding:44px 0 24px}.footer-top{display:flex;justify-content:space-between;gap:55px;padding-bottom:30px}.footer-brand{font-size:24px;font-weight:800;margin-bottom:10px;display:inline-block}.footer-description{font-size:13px;color:var(--muted);max-width:530px}.footer-links{display:flex;gap:22px;align-items:flex-start;padding-top:8px;font-size:13px}.footer-links a:hover{color:var(--green)}.footer-bottom{border-top:1px solid #d0dacd;padding-top:20px;color:var(--muted);font-size:11px;display:flex;justify-content:space-between;gap:25px}.footer-bottom p{margin:0}.footer-bottom .legal{max-width:560px}
@media(min-width:1400px){.container{max-width:1240px}}
@media(max-width:1024px){:root{--space:60px}.container{padding-left:24px;padding-right:24px}.nav-note{display:none}.coverage-layout{gap:35px}.section-head{gap:28px}.section-head .intro{max-width:50%}.step{padding:22px}.faq-layout{gap:35px}.hero-copy{padding:38px}.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){:root{--space:48px}.navbar{min-height:70px}.navbar-brand{font-size:21px}.navbar-collapse{padding:12px 0 6px}.navbar-nav{gap:5px}.navbar .nav-link{padding:11px 14px!important}.hero-band{min-height:0}.hero-copy{padding:30px 26px}.hero p{font-size:14px}.hero-bottom{gap:16px;align-items:flex-start;flex-direction:column}.section-head{display:block;margin-bottom:24px}.section-head h2{margin-bottom:15px}.section-head .intro{max-width:none}.coverage-layout,.grid-2,.faq-layout{grid-template-columns:1fr;gap:26px}.grid-3{grid-template-columns:1fr;gap:16px}.coverage-art{min-height:215px}.scene-card{min-height:290px}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.case-block{grid-template-columns:1fr;gap:14px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.cta-panel{padding:28px;display:block}.cta-panel .btn{margin-top:22px}.footer-top,.footer-bottom{flex-direction:column;gap:20px}.footer-links{flex-wrap:wrap}.local-list{gap:0 24px}.proof-line{gap:20px}.proof-line b{min-width:85px}}
@media(max-width:520px){.container{padding-left:18px;padding-right:18px}.hero .container{padding-left:12px;padding-right:12px}.hero-copy{padding:29px 22px}h1{font-size:31px}.hero-band:after{background:rgba(12,35,28,.83)}.breadcrumb-line{padding-left:6px}.local-list,.news-grid{grid-template-columns:1fr}.local-list li{padding:22px 0}.card-custom{padding:24px}.channel-strip{padding:20px;align-items:flex-start}.channel-strip strong{font-size:15px}.channel-strip .text-link{font-size:12px}.quote-panel{padding:25px}.quote-panel blockquote{font-size:23px}.metric strong{font-size:31px}.proof-line{display:block}.proof-line b{display:block;margin-bottom:9px}.steps .step{padding:20px 17px}.step p{font-size:12px}.hero-note{font-size:11px}.scene-content{padding:25px}.footer-bottom{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* roulang page: article */
:root{--ink:#172a28;--muted:#667572;--green:#215e4b;--green-dark:#153f33;--mint:#e7efe9;--paper:#f6f7f3;--white:#fff;--line:#dce3dc;--accent:#d9ee77;--radius:20px;--shadow:0 14px 38px rgba(23,42,40,.07);--space:76px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:108px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s,box-shadow .2s}
img{max-width:100%;display:block;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #8ba83a;outline-offset:5px}
.container{max-width:1200px;padding-left:28px;padding-right:28px}
h1,h2,h3{font-weight:750;line-height:1.45;letter-spacing:-.025em;text-wrap:pretty}
h2{font-size:30px}
h3{font-size:20px}
p{margin-top:0}
.muted{color:var(--muted)}
.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--green);margin-bottom:16px;display:block}
.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;backdrop-filter:blur(18px)}
.navbar{min-height:82px;padding:12px 0}
.navbar-brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:23px;font-weight:800;margin-right:42px}
.navbar-brand:hover{color:var(--green)}
.brand-mark{width:40px;height:40px;display:grid;place-items:center;background:var(--green);color:var(--accent);border-radius:12px;font-size:16px;letter-spacing:-1px}
.brand-sub{font-size:10px;color:var(--muted);display:block;line-height:1.1;letter-spacing:.13em;margin-top:3px}
.navbar-nav{gap:10px}
.navbar .nav-link{font-size:14px;color:var(--muted);padding:10px 18px!important;border-radius:9px;font-weight:600}
.navbar .nav-link:hover,.navbar .nav-link.active{background:var(--mint);color:var(--green)}
.navbar .nav-link:active{background:#d6e4d9}
.nav-note{margin-left:auto;font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}
.dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block;flex-shrink:0}
.navbar-toggler{border:1px solid var(--line);font-size:18px;border-radius:9px;padding:8px 12px;box-shadow:none!important;color:var(--ink)}
section{padding:var(--space) 0;border-bottom:1px solid var(--line)}
.btn{border-radius:10px;padding:12px 23px;font-size:14px;font-weight:650;transition:all .2s;box-shadow:none!important}
.btn-lime{background:var(--accent);color:var(--ink);border:1px solid var(--accent)}
.btn-lime:hover{background:#e7f7a8;color:var(--ink);transform:translateY(-2px)}
.btn-lime:active{transform:translateY(0);background:#c6dd5b!important}
.btn-outline-green{border:1px solid var(--line);color:var(--green);background:#fff}
.btn-outline-green:hover{border-color:var(--green);background:var(--mint);color:var(--green)}
.btn-outline-green:active{background:#d6e4d9!important}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:30px}
.section-head .intro{max-width:610px;font-size:15px;color:var(--muted)}
.section-head h2{margin-bottom:0}
.section-head .eyebrow{margin-bottom:10px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.card-custom{padding:28px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius);height:100%;transition:transform .2s,box-shadow .2s,border-color .2s}
.card-custom:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#aabdb0}
.card-custom p{font-size:14px;color:var(--muted);margin-bottom:0}
.tag{display:inline-flex;align-items:center;border-radius:30px;padding:4px 11px;background:var(--mint);color:var(--green);font-size:11px;font-weight:650;line-height:1.6}
.pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.dark-section{background:var(--ink);color:#fff}
.dark-section .eyebrow{color:var(--accent)}
.dark-section p{color:#c4d1c9}
.text-link{color:var(--green);font-weight:650;font-size:14px}
.text-link:hover{color:#547b31}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
.faq-layout>div>p{font-size:14px;color:var(--muted)}
.cta-section{padding:44px 0 64px;border:0}
.cta-panel{padding:38px 42px;border-radius:var(--radius);background:var(--accent);display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-panel p{max-width:680px;color:#40502b;font-size:14px;margin:0}
.cta-panel h2{font-size:27px;margin-bottom:12px}
.cta-panel .btn{background:var(--ink);color:#fff;border:1px solid var(--ink);white-space:nowrap}
.cta-panel .btn:hover{background:var(--green);transform:translateY(-2px)}
.cta-panel .btn:active{transform:translateY(0)}
.site-footer{background:#edf0e9;border-top:1px solid var(--line);padding:48px 0 24px}
.footer-top{display:flex;justify-content:space-between;gap:65px;padding-bottom:32px}
.footer-brand{font-weight:800;font-size:25px;color:var(--green)}
.footer-description{color:var(--muted);font-size:13px;max-width:580px;margin:13px 0 0}
.footer-links{display:flex;align-items:flex-start;gap:24px;font-size:13px;white-space:nowrap;padding-top:9px}
.footer-links a:hover,.footer-brand:hover{color:var(--green-dark)}
.footer-links a:hover{text-decoration:underline;text-underline-offset:5px}
.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:40px;color:var(--muted);font-size:11px}
.footer-bottom p{margin:0}
.footer-bottom .legal{max-width:650px}
.breadcrumb-bar{padding:19px 0;background:#eff2eb;border-bottom:1px solid var(--line)}
.breadcrumb-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.breadcrumb{margin:0;font-size:12px;--bs-breadcrumb-divider:"›";--bs-breadcrumb-divider-color:#99a49c;--bs-breadcrumb-item-active-color:var(--muted)}
.breadcrumb a:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px}
.breadcrumb-back{font-size:12px;color:var(--green);white-space:nowrap}
.article-hero{padding:48px 0 44px;background:#eef1e9}
.article-hero-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.8fr);gap:54px;align-items:center}
.article-labels{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.article-labels .eyebrow{margin:0 6px 0 0}
.article-hero h1{font-size:clamp(28px,3.3vw,43px);line-height:1.5;margin:0 0 21px;overflow-wrap:anywhere}
.article-deck{color:#53645e;font-size:15px;line-height:2;margin-bottom:24px;overflow-wrap:anywhere}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 19px;font-size:12px;color:var(--muted);padding-top:19px;border-top:1px solid #d5ded4}
.article-meta time{overflow-wrap:anywhere}
.cover-frame{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--green-dark);aspect-ratio:4/3}
.cover-frame img{width:100%;height:100%;transition:transform .5s}
.cover-frame:hover img{transform:scale(1.025)}
.cover-frame::after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(12,35,28,.85));pointer-events:none}
.cover-caption{position:absolute;bottom:20px;left:22px;right:22px;z-index:1;color:#fff;font-size:13px}
.cover-caption strong{display:block;font-size:21px;margin-bottom:2px}
.article-section{padding:48px 0 56px;background:#fff}
.reading-layout{display:grid;grid-template-columns:170px minmax(0,1fr);gap:55px}
.reading-rail{font-size:12px;color:var(--muted)}
.rail-inner{position:sticky;top:115px}
.rail-heading{font-weight:750;font-size:14px;color:var(--green);padding-bottom:13px;border-bottom:1px solid var(--line);margin-bottom:17px}
.reading-rail ul{list-style:none;margin:0;padding:0}
.reading-rail li{margin:12px 0}
.reading-rail a{display:block;padding:4px 0}
.reading-rail a:hover{color:var(--green);transform:translateX(3px)}
.rail-note{border-left:2px solid var(--accent);padding-left:12px;font-size:11px;margin-top:29px;line-height:1.9}
.article-body{min-width:0;max-width:830px;overflow-wrap:anywhere;font-size:16px;line-height:2.05}
.article-body p{margin-bottom:1.5em}
.article-body h2{font-size:27px;margin:1.7em 0 .8em;padding-bottom:14px;border-bottom:1px solid var(--line)}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0}
.article-body h3{font-size:21px;margin:1.6em 0 .8em}
.article-body h4{font-size:18px;font-weight:700;margin:1.5em 0 .7em}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.6em}
.article-body li{padding-left:.25em;margin:.5em 0}
.article-body li::marker{color:var(--green);font-weight:700}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:4px;text-decoration-color:#aabdb0}
.article-body a:hover{color:#547b31;text-decoration-color:currentColor}
.article-body img{height:auto;border-radius:14px;margin:26px auto}
.article-body figure{margin:30px 0}
.article-body figcaption{font-size:12px;text-align:center;color:var(--muted)}
.article-body blockquote{border-left:4px solid var(--green);background:var(--mint);padding:22px 27px;border-radius:0 14px 14px 0;margin:27px 0;color:var(--green-dark)}
.article-body blockquote p:last-child{margin:0}
.article-body table{display:block;overflow-x:auto;border-collapse:collapse;width:100%;font-size:14px;margin:25px 0}
.article-body th,.article-body td{padding:13px 17px;border:1px solid var(--line);min-width:110px}
.article-body th{background:var(--mint);font-weight:700}
.article-body pre{padding:20px;border-radius:12px;background:var(--paper);overflow:auto;font-size:13px}
.article-body iframe,.article-body video{max-width:100%}
.article-body hr{border:0;border-top:1px solid var(--line);margin:35px 0;opacity:1}
.empty-state{padding:60px 24px;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}
.empty-state h2{margin:0 0 24px;border:0;padding:0}
.trust-section{padding:56px 0}
.trust-section .section-head{align-items:center}
.trust-section .intro{max-width:430px;margin:0}
.card-number{display:block;font-size:12px;color:var(--green);font-weight:750;letter-spacing:.08em;margin-bottom:22px}
.card-custom h3{margin-bottom:13px}
.security-layout{display:grid;grid-template-columns:1fr 1fr;gap:76px;align-items:center}
.security-layout h2{font-size:31px;margin-bottom:18px}
.security-layout p{font-size:14px;margin-bottom:0}
.security-list{list-style:none;padding:0;margin:0}
.security-list li{padding:17px 0;border-bottom:1px solid #3a4b43;display:flex;gap:16px;font-size:14px;color:#d8e2dc}
.security-list li:first-child{padding-top:0}
.security-list li:last-child{border-bottom:0;padding-bottom:0}
.security-list span{color:var(--accent);font-size:12px;font-weight:700;flex:0 0 24px}
.faq-section{background:#fff}
.faq-layout h2{margin-bottom:18px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:first-child{border-top:1px solid var(--line)}
.faq-list summary{cursor:pointer;list-style:none;padding:22px 30px 22px 0;font-size:15px;font-weight:650;position:relative;line-height:1.75}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:0;top:21px;font-size:21px;font-weight:400;color:var(--green)}
.faq-list details[open] summary::after{content:"−"}
.faq-list summary:hover{color:var(--green)}
.faq-list details[open]{background:#fafbf8}
.faq-list details p{font-size:14px;color:var(--muted);padding:0 25px 22px 0;margin:0;line-height:1.95}
@media(min-width:1440px){.article-hero{padding:58px 0 52px}}
@media(max-width:1024px){
:root{--space:60px}
.navbar-brand{margin-right:20px}
.navbar .nav-link{padding:10px 12px!important;font-size:13px}
.nav-note{font-size:11px}
.article-hero-grid{gap:30px;grid-template-columns:minmax(0,1.5fr) minmax(0,.8fr)}
.reading-layout{grid-template-columns:135px minmax(0,1fr);gap:30px}
.faq-layout{gap:40px}
.security-layout{gap:40px}
.footer-top{gap:35px}
.footer-links{gap:16px}
}
@media(max-width:767.98px){
:root{--space:48px}
.container{padding-left:22px;padding-right:22px}
.navbar{min-height:74px}
.navbar-brand{font-size:21px}
.navbar-collapse{padding-top:15px}
.navbar-nav{gap:4px;padding-bottom:12px}
.navbar .nav-link{padding:11px 13px!important}
.nav-note{margin:0;border-top:1px solid var(--line);padding:13px 3px 7px}
.article-hero-grid{grid-template-columns:1fr;gap:28px}
.article-hero{padding:34px 0}
.cover-frame{aspect-ratio:16/7}
.article-hero h1{font-size:32px}
.article-deck{font-size:14px}
.reading-layout{grid-template-columns:1fr;gap:25px}
.rail-inner{position:static;display:flex;align-items:center;justify-content:space-between;gap:15px}
.rail-heading{border:0;padding:0;margin:0;white-space:nowrap}
.reading-rail ul{display:flex;gap:18px;flex-wrap:wrap}
.reading-rail li{margin:0}
.rail-note{display:none}
.reading-rail{padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-section{padding:30px 0 42px}
.article-body{font-size:15px}
.article-body h2{font-size:25px}
.section-head{display:block;margin-bottom:25px}
.section-head h2{font-size:26px;margin-bottom:16px}
.trust-section .intro{max-width:none}
.grid-2{gap:18px}
.card-custom{padding:23px}
.security-layout,.faq-layout{grid-template-columns:1fr;gap:28px}
.security-layout h2{font-size:27px}
.faq-layout h2{font-size:27px}
.faq-layout>div>p{margin-bottom:0}
.cta-panel{padding:30px;gap:25px;align-items:flex-start;flex-direction:column}
.cta-panel h2{font-size:25px}
.footer-top,.footer-bottom{flex-direction:column;gap:23px}
.footer-links{padding-top:0}
.site-footer{padding-top:36px}
}
@media(max-width:520px){
.container{padding-left:19px;padding-right:19px}
.breadcrumb-bar{padding:14px 0}
.breadcrumb-inner{gap:12px}
.breadcrumb{font-size:11px}
.breadcrumb-back{font-size:11px}
.article-hero h1{font-size:28px}
.article-meta{gap:8px 15px}
.cover-frame{aspect-ratio:16/9}
.cover-caption{left:18px;bottom:15px;font-size:11px}
.cover-caption strong{font-size:19px}
.grid-2{grid-template-columns:1fr}
.trust-section{padding:42px 0}
.card-custom:hover{transform:none}
.rail-heading{font-size:12px}
.reading-rail ul{gap:12px;font-size:11px}
.article-body blockquote{padding:18px 20px}
.article-body h2{font-size:23px}
.article-body h3{font-size:20px}
.faq-list summary{font-size:14px}
.cta-panel{padding:27px 23px}
.cta-panel .btn{width:100%}
.footer-links{gap:22px;flex-wrap:wrap}
.footer-bottom{font-size:11px;gap:15px}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{transition:none!important;animation:none!important}
}
@media print{
.site-header,.breadcrumb-bar,.reading-rail,.trust-section,.dark-section,.faq-section,.cta-section,.site-footer{display:none!important}
body,.article-hero,.article-section{background:#fff}
.article-hero-grid,.reading-layout{display:block}
.cover-frame{display:none}
.article-body{max-width:none}
section{padding:20px 0}
}

/* roulang page: category1 */
:root{--ink:#172a28;--muted:#667572;--green:#215e4b;--green-dark:#153f33;--mint:#e7efe9;--paper:#f6f7f3;--white:#fff;--line:#dce3dc;--accent:#d9ee77;--radius:20px;--shadow:0 14px 38px rgba(23,42,40,.07);--space:76px}
*{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",system-ui,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s,box-shadow .2s}
img{max-width:100%;display:block;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #8ba83a;outline-offset:5px}
.container{max-width:1200px;padding-left:28px;padding-right:28px}
h1,h2,h3{font-weight:750;line-height:1.4;letter-spacing:-.025em}
h1{font-size:clamp(30px,3.4vw,46px)}
h2{font-size:clamp(25px,2.6vw,34px)}
h3{font-size:19px}
p{margin:0 0 18px}
.muted{color:var(--muted)}
.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--green);margin-bottom:16px;display:block}
.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;backdrop-filter:blur(18px)}
.navbar{min-height:82px;padding:12px 0}
.navbar-brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:23px;font-weight:800;margin-right:42px}
.brand-mark{width:40px;height:40px;display:grid;place-items:center;background:var(--green);color:var(--accent);border-radius:12px;font-size:16px;letter-spacing:-1px}
.brand-sub{font-size:10px;color:var(--muted);display:block;line-height:1.1;letter-spacing:.13em;margin-top:3px}
.navbar-nav{gap:10px}
.navbar .nav-link{font-size:14px;color:var(--muted);padding:10px 18px!important;border-radius:9px;font-weight:600}
.navbar .nav-link:hover,.navbar .nav-link.active{background:var(--mint);color:var(--green)}
.nav-note{margin-left:auto;font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}
.dot{height:6px;width:6px;background:var(--green);border-radius:50%;display:inline-block}
.navbar-toggler{border:1px solid var(--line);font-size:18px;border-radius:9px;padding:8px 12px;box-shadow:none!important;color:var(--ink)}
section{padding:var(--space) 0;border-bottom:1px solid var(--line)}
.breadcrumb-bar{padding:20px 0;font-size:12px;color:var(--muted)}
.breadcrumb-inner{display:flex;justify-content:space-between;align-items:center;gap:18px}
.breadcrumb{margin:0;--bs-breadcrumb-divider:"/";--bs-breadcrumb-item-active-color:var(--green)}
.breadcrumb a:hover,.back-link:hover{color:var(--green)}
.hero{padding:15px 0 54px;background:var(--paper)}
.hero-stack{display:grid;grid-template-columns:1.6fr 1fr;gap:22px;align-items:stretch}
.hero-main{background:var(--green-dark);border-radius:24px;padding:40px;color:#fff;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between}
.hero-main:after{content:"NG";position:absolute;right:-8px;bottom:-75px;font-size:210px;font-weight:850;letter-spacing:-20px;opacity:.035;pointer-events:none}
.hero-main .eyebrow{color:var(--accent)}
.hero-main h1{max-width:520px;margin-bottom:23px}
.hero-main p{color:#dce8df;font-size:15px;max-width:510px}
.hero-bottom{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:25px;position:relative;z-index:1}
.hero-note{color:#c3d4c9;font-size:12px}
.hero-side{display:grid;gap:18px;padding-top:22px}
.cover-card{position:relative;min-height:220px;overflow:hidden;border-radius:20px;background:var(--ink);color:#fff;margin-right:18px}
.cover-card img{position:absolute;inset:0;width:100%;height:100%;opacity:.53;transition:transform .5s}
.cover-card:hover img{transform:scale(1.035)}
.cover-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,34,27,.95),rgba(13,34,27,.08))}
.cover-copy{position:relative;z-index:1;padding:26px;min-height:220px;display:flex;flex-direction:column;justify-content:flex-end}
.cover-copy h2{font-size:23px;margin:12px 0 0}
.cover-copy .tag{align-self:flex-start;background:rgba(255,255,255,.17);color:#fff}
.side-note{margin-left:22px;background:var(--mint);border:1px solid var(--line);padding:23px 26px;border-radius:20px}
.side-note h3{font-size:17px;margin:0 0 8px}
.side-note p{font-size:13px;color:var(--muted);margin:0}
.btn{border-radius:10px;padding:12px 23px;font-size:14px;font-weight:650;transition:all .2s;box-shadow:none!important}
.btn-lime{background:var(--accent);color:var(--ink);border:1px solid var(--accent)}
.btn-lime:hover{background:#e7f7a8;color:var(--ink);transform:translateY(-2px)}
.btn-lime:active{transform:translateY(0);background:#c6dd5b!important}
.btn-outline-green{border:1px solid var(--line);color:var(--green);background:#fff}
.btn-outline-green:hover{border-color:var(--green);background:var(--mint);color:var(--green)}
.btn:focus-visible{outline:3px solid #8ba83a;outline-offset:4px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:30px}
.section-head .intro{max-width:510px;font-size:15px;color:var(--muted);margin:0}
.section-head h2{margin-bottom:0}
.section-head .eyebrow{margin-bottom:10px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.card-custom{padding:28px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius);height:100%;transition:transform .2s,box-shadow .2s,border-color .2s}
.card-custom:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#aabdb0}
.card-custom h3{margin:20px 0 12px}
.card-custom p{font-size:14px;color:var(--muted);margin:0}
.tag{display:inline-flex;align-items:center;border-radius:30px;padding:4px 11px;background:var(--mint);color:var(--green);font-size:11px;font-weight:650;line-height:1.6}
.white-section{background:#fff}
.rule-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px}
.rule-intro p{color:var(--muted);font-size:15px;margin-top:22px}
.rule-list{list-style:none;padding:0;margin:0}
.rule-list li{display:grid;grid-template-columns:40px 1fr;gap:18px;padding:23px 0;border-bottom:1px solid var(--line)}
.rule-list li:first-child{padding-top:0}
.rule-number{font-size:12px;font-weight:750;background:var(--mint);width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:var(--green)}
.rule-list h3{font-size:18px;margin:3px 0 8px}
.rule-list p{font-size:14px;color:var(--muted);margin:0}
.dark-section{background:var(--ink);color:#fff}
.dark-section .eyebrow{color:var(--accent)}
.dark-section .intro,.dark-section p{color:#c4d1c9}
.check-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.check-step{border-top:1px solid #52635d;padding-top:23px}
.check-step strong{font-size:30px;line-height:1;color:var(--accent);display:block;margin-bottom:24px}
.check-step h3{font-size:18px}
.check-step p{font-size:14px;margin:12px 0 0}
.boundary-note{display:flex;align-items:center;gap:16px;margin-top:30px;padding:17px 21px;border:1px solid #52635d;border-radius:12px;font-size:13px;color:#dce8df}
.boundary-note span{color:var(--accent);white-space:nowrap;font-weight:700}
.topic-list{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:0 45px}
.topic-list li{padding:25px 0;border-top:1px solid var(--line)}
.topic-list h3{font-size:19px}
.topic-list p{font-size:14px;color:var(--muted);margin:10px 0 0}
.topic-list .tag{margin-bottom:12px}
.scene-panel{display:grid;grid-template-columns:.8fr 1.2fr;background:var(--mint);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.scene-heading{padding:35px;background:#dfe9df}
.scene-heading p{font-size:14px;color:var(--muted);margin-top:20px}
.scene-rows{padding:8px 32px}
.scene-row{padding:22px 0;border-bottom:1px solid #cad8cd}
.scene-row:last-child{border-bottom:0}
.scene-row h3{font-size:17px;margin-bottom:9px}
.scene-row p{font-size:14px;color:var(--muted);margin:0}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
.faq-layout>div>p{font-size:14px;color:var(--muted);margin-top:22px}
.faq-item{border-bottom:1px solid var(--line);padding:0 0 20px;margin-bottom:22px}
.faq-item summary{font-size:17px;font-weight:650;cursor:pointer;position:relative;padding-right:30px;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";position:absolute;right:0;color:var(--green)}
.faq-item[open] summary:after{content:"－"}
.faq-item p{font-size:14px;color:var(--muted);margin:16px 24px 0 0}
.cta-section{padding:44px 0 64px;border:0}
.cta-panel{padding:38px 42px;border-radius:var(--radius);background:var(--accent);display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-panel p{max-width:680px;color:#40502b;font-size:14px;margin:0}
.cta-panel h2{font-size:27px;margin-bottom:12px}
.cta-panel .btn{background:var(--ink);color:#fff;border:1px solid var(--ink);white-space:nowrap}
.cta-panel .btn:hover{background:var(--green);transform:translateY(-2px)}
.cta-panel .btn:active{transform:none}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:48px 0 22px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr;gap:70px;padding-bottom:30px}
.footer-brand{font-size:24px;font-weight:800;color:var(--green)}
.footer-description{max-width:550px;font-size:13px;color:var(--muted);margin:15px 0 0}
.footer-links{display:flex;justify-content:flex-end;align-items:flex-start;gap:25px;font-size:13px;padding-top:10px;flex-wrap:wrap}
.footer-links a:hover{color:var(--green);text-decoration:underline;text-underline-offset:5px}
.footer-bottom{padding-top:23px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.footer-bottom p{margin-bottom:10px}
.legal{max-width:950px;font-size:11px}
@media(min-width:1600px){.container{max-width:1280px}}
@media(max-width:1024px){:root{--space:60px}.nav-note{display:none}.hero-main{padding:32px}.hero-stack{grid-template-columns:1.3fr 1fr}.section-head{gap:30px}.rule-layout,.faq-layout{gap:38px}.check-grid{gap:18px}.navbar-brand{margin-right:25px}.card-custom{padding:23px}.footer-top{gap:35px}}
@media(max-width:767px){:root{--space:48px}.container{padding-left:22px;padding-right:22px}.navbar{min-height:74px}.navbar-brand{font-size:21px}.navbar-collapse{padding:16px 0 6px}.navbar-nav{gap:5px}.navbar .nav-link{padding:11px 14px!important}.hero-stack{grid-template-columns:1fr}.hero-main{min-height:365px}.hero-side{grid-template-columns:1fr 1fr;padding:0;align-items:center;gap:15px}.cover-card{margin:0;min-height:220px}.cover-copy{padding:22px}.side-note{margin:0;padding:22px}.section-head{display:block}.section-head .intro{margin-top:20px;max-width:none}.grid-3{grid-template-columns:1fr;gap:15px}.card-custom h3{margin-top:15px}.rule-layout,.faq-layout{grid-template-columns:1fr;gap:26px}.check-grid{grid-template-columns:1fr 1fr;gap:30px}.scene-panel{grid-template-columns:1fr}.scene-heading{padding:28px}.scene-heading p{margin-bottom:0}.cta-panel{align-items:flex-start;flex-direction:column;gap:24px;padding:30px}.footer-top{grid-template-columns:1fr;gap:20px}.footer-links{justify-content:flex-start;padding-top:0}.boundary-note{align-items:flex-start}.breadcrumb-bar{font-size:11px}.hero-main h1{max-width:none}.hero-note{font-size:11px}}
@media(max-width:520px){.container{padding-left:18px;padding-right:18px}.breadcrumb-inner{align-items:flex-start}.back-link{white-space:nowrap}.breadcrumb-item+.breadcrumb-item{padding-left:7px}.breadcrumb-item+.breadcrumb-item:before{padding-right:7px}.hero-main{padding:29px 25px;border-radius:20px}.hero-side{grid-template-columns:1fr}.cover-card,.cover-copy{min-height:195px}.side-note{margin-left:20px}.hero-bottom{gap:16px}.hero-main h1{font-size:31px}.hero-main p{font-size:14px}.topic-list,.grid-2{grid-template-columns:1fr}.topic-list{gap:0}.check-grid{gap:24px 20px}.check-step h3{font-size:17px}.check-step p{font-size:13px}.boundary-note{flex-direction:column;gap:5px}.scene-rows{padding:5px 24px}.cta-panel h2{font-size:24px}.footer-links{gap:20px}.footer-bottom{overflow-wrap:anywhere}.faq-item summary{font-size:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}