/* roulang page: index */
:root{
  --ink:#18231f;--muted:#68756f;--soft:#edf3ee;--paper:#fbfcf8;
  --green:#176b4d;--green-dark:#0d4936;--lime:#c9e46b;--yellow:#f2cf72;
  --line:#dce6de;--white:#fff;--shadow:0 18px 45px rgba(25,57,43,.09);
  --radius:20px;--max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;border:0;cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{height:78px;background:rgba(251,252,248,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--green-dark);white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:11px 11px 11px 4px;background:var(--green);position:relative;display:grid;place-items:center;color:var(--lime);font-weight:900}
.logo-mark:after{content:"";width:10px;height:10px;border-radius:50%;background:var(--yellow);position:absolute;right:-4px;top:-4px}
.nav-menu{display:flex;align-items:center;gap:8px;list-style:none}
.nav-menu a{display:block;padding:9px 14px;border-radius:10px;color:#53615a;font-size:14px;transition:.25s}
.nav-menu a:hover,.nav-menu a:focus,.nav-menu a.active{background:var(--soft);color:var(--green-dark)}
.nav-menu .nav-cta{background:var(--green);color:#fff;padding:10px 18px}
.nav-menu .nav-cta:hover{background:var(--green-dark);color:#fff}
.menu-toggle{display:none;background:var(--soft);color:var(--green-dark);width:42px;height:42px;border-radius:12px;font-size:22px}
.hero{padding:78px 0 70px;background:var(--soft);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:60px;align-items:center}
.eyebrow,.section-kicker{color:var(--green);font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:15px}
.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.15;letter-spacing:-.06em;max-width:650px}
.hero h1 em{font-style:normal;color:var(--green)}
.hero-copy{font-size:17px;color:var(--muted);max-width:650px;margin:24px 0 30px;line-height:2}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:12px;font-weight:700;border:1px solid transparent;transition:.25s}
.btn-primary{background:var(--green);color:white;box-shadow:0 8px 18px rgba(23,107,77,.2)}
.btn-primary:hover,.btn-primary:focus{background:var(--green-dark);transform:translateY(-2px)}
.btn-light{border-color:#b9cbc0;background:transparent;color:var(--green-dark)}
.btn-light:hover,.btn-light:focus{background:#fff;border-color:var(--green)}
.hero-board{background:var(--green-dark);color:#fff;border-radius:28px;padding:28px;box-shadow:var(--shadow);position:relative;min-height:330px}
.board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:22px}
.board-label{font-size:13px;color:#b9d5c6}
.board-status{font-size:12px;padding:5px 10px;border-radius:20px;background:rgba(201,228,107,.15);color:var(--lime)}
.board-title{font-size:25px;line-height:1.4;margin:25px 0 22px;max-width:390px}
.board-list{display:grid;gap:12px}
.board-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);color:#dcebe1;font-size:14px}
.row-no{color:var(--lime);font-weight:800;width:23px}
.row-line{height:6px;background:rgba(255,255,255,.15);border-radius:9px;flex:1;overflow:hidden}
.row-line i{display:block;height:100%;background:var(--yellow);border-radius:9px}
section{padding:86px 0;border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:34px}
.section-head h2{font-size:clamp(27px,3vw,42px);line-height:1.3;letter-spacing:-.04em}
.section-head p{color:var(--muted);max-width:520px}
.notice-strip{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.notice-item{background:#fff;padding:26px}
.notice-item strong{display:block;color:var(--green-dark);font-size:20px;margin-bottom:8px}
.notice-item span{color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.split-copy h2{font-size:36px;line-height:1.35;margin-bottom:18px}
.split-copy p{color:var(--muted);margin-bottom:22px}
.point-list{display:grid;gap:14px}
.point{display:flex;gap:15px;padding:16px 0;border-bottom:1px solid var(--line)}
.point b{color:var(--green);font-size:18px}
.point h3{font-size:17px;margin-bottom:3px}
.point p{font-size:14px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:27px 22px 10px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step-num{font-size:14px;color:var(--green);font-weight:800;margin-bottom:25px}
.step h3{font-size:19px;margin-bottom:9px}
.step p{font-size:14px;color:var(--muted)}
.topic-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
.feature-topic{min-height:300px;border-radius:var(--radius);padding:32px;background:#dfeccf;display:flex;flex-direction:column;justify-content:end}
.feature-topic .tag,.topic-card .tag,.article-meta{font-size:12px;color:var(--green);font-weight:800;letter-spacing:.08em}
.feature-topic h3{font-size:31px;line-height:1.35;max-width:450px;margin:12px 0}
.feature-topic p{max-width:560px;color:#4e6357}
.topic-side{display:grid;gap:20px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.25s}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.topic-card h3{font-size:20px;margin:12px 0 6px}
.topic-card p{font-size:14px;color:var(--muted)}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;transition:.25s}
.article-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.article-index{font-size:32px;color:#b7cdbd;font-weight:800}
.article-card h3{font-size:19px;line-height:1.5;margin:10px 0}
.article-card p{font-size:14px;color:var(--muted);margin-bottom:17px}
.media-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.media-item{padding:24px 0;border-top:3px solid var(--green)}
.media-item h3{font-size:20px;line-height:1.5;margin:12px 0}
.media-item p{font-size:14px;color:var(--muted)}
.data-band{background:var(--green-dark);color:#fff;border:0}
.data-band .section-kicker{color:var(--lime)}
.data-band .section-head p{color:#bad1c2}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.18)}
.data-item{padding:28px 22px;background:var(--green-dark)}
.data-item strong{display:block;font-size:34px;line-height:1;color:var(--lime);margin-bottom:12px}
.data-item span{font-size:14px;color:#c5d9cb}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene{padding:26px;background:#fff;border-radius:18px;border:1px solid var(--line)}
.scene-icon{width:42px;height:42px;border-radius:12px;background:var(--yellow);display:grid;place-items:center;color:var(--green-dark);font-weight:800;margin-bottom:20px}
.scene h3{font-size:19px;margin-bottom:8px}
.scene p{font-size:14px;color:var(--muted)}
.quality{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
.quality h2{font-size:35px;line-height:1.4}
.quality p{color:var(--muted);margin-top:15px}
.quality-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.quality-list li{list-style:none;border-left:3px solid var(--lime);padding:12px 15px;background:#fff;color:#4c5c53;font-size:14px}
.faq-list{max-width:850px;margin:auto}
details{border-top:1px solid var(--line);padding:20px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:700;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary:after{content:"＋";color:var(--green);font-size:22px}
details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:15px;padding:13px 35px 0 0}
.cta-section{padding:72px 0}
.cta-box{background:var(--yellow);border-radius:25px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-box h2{font-size:34px;line-height:1.35}
.cta-box p{color:#596249;margin-top:8px}
.site-footer{background:#132b22;color:#d6e5da;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}
.footer-brand .logo{color:#fff;margin-bottom:17px}
.footer-brand p{color:#9eb8a7;font-size:14px;max-width:290px}
.footer-col h3{font-size:14px;color:var(--lime);margin-bottom:15px}
.footer-col a,.footer-col span{display:block;color:#aec4b5;font-size:14px;margin:8px 0;transition:.2s}
.footer-col a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;color:#8da99a;font-size:13px;display:flex;justify-content:space-between;gap:20px}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
@media(max-width:900px){
 .hero-grid,.split,.quality{grid-template-columns:1fr;gap:35px}
 .topic-layout{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
 .nav-menu{gap:0}
 .nav-menu a{padding:9px 9px}
}
@media(max-width:680px){
 .container{width:min(var(--max),calc(100% - 28px))}
 .site-header,.nav-wrap{height:68px}
 .menu-toggle{display:block}
 .nav-menu{display:none;position:absolute;top:68px;left:14px;right:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-menu.open{display:flex}
 .nav-menu a{text-align:center}
 .hero{padding:52px 0}
 .hero h1{font-size:42px}
 .hero-copy{font-size:15px}
 section{padding:62px 0}
 .section-head{display:block}
 .section-head p{margin-top:12px}
 .notice-strip,.steps,.article-grid,.media-list,.scene-grid,.data-grid{grid-template-columns:1fr}
 .notice-item{padding:20px}
 .step{border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
 .step-num{margin-bottom:8px}
 .feature-topic{min-height:260px;padding:25px}
 .feature-topic h3{font-size:25px}
 .quality-list{grid-template-columns:1fr}
 .cta-box{padding:30px 24px;display:block}
 .cta-box h2{font-size:28px}
 .cta-box .btn{margin-top:20px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
 .footer-brand{grid-column:1/-1}
 .copyright{display:block}
 .copyright span{display:block;margin-top:8px}
}

/* roulang page: category1 */
:root{--ink:#18231f;--muted:#68756f;--soft:#edf3ee;--paper:#fbfcf8;--green:#176b4d;--green-dark:#0d4936;--lime:#c9e46b;--yellow:#f2cf72;--line:#dce6de;--white:#fff;--shadow:0 18px 45px rgba(25,57,43,.09);--radius:20px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:16px}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit;border:0;cursor:pointer}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{height:78px;background:rgba(251,252,248,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.logo{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--green-dark);white-space:nowrap}.logo-mark{width:34px;height:34px;border-radius:11px 11px 11px 4px;background:var(--green);position:relative;display:grid;place-items:center;color:var(--lime);font-weight:900}.logo-mark:after{content:"";width:10px;height:10px;border-radius:50%;background:var(--yellow);position:absolute;right:-4px;top:-4px}.nav-menu{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0}.nav-menu a{display:block;padding:9px 14px;border-radius:10px;color:#53615a;font-size:14px;transition:.25s}.nav-menu a:hover,.nav-menu a:focus,.nav-menu a.active{background:var(--soft);color:var(--green-dark)}.nav-menu .nav-cta{background:var(--green);color:#fff;padding:10px 18px}.nav-menu .nav-cta:hover{background:var(--green-dark);color:#fff}.menu-toggle{display:none;background:var(--soft);color:var(--green-dark);width:42px;height:42px;border-radius:12px;font-size:22px}
.page-intro{padding:72px 0 58px;background:var(--soft);border-bottom:1px solid var(--line)}.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:65px;align-items:end}.eyebrow,.section-kicker{color:var(--green);font-size:13px;font-weight:800;letter-spacing:.14em;margin:0 0 14px}.page-intro h1{font-size:clamp(38px,5vw,62px);line-height:1.18;letter-spacing:-.06em;margin:0 0 20px}.page-intro h1 em{font-style:normal;color:var(--green)}.intro-copy{font-size:17px;color:var(--muted);max-width:680px;margin:0}.intro-note{border-left:4px solid var(--yellow);padding:20px 0 20px 25px;color:#53635a}.intro-note strong{display:block;color:var(--green-dark);font-size:22px;margin-bottom:8px}.intro-note span{font-size:14px}
section{padding:78px 0;border-bottom:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:32px}.section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.3;letter-spacing:-.04em;margin:0}.section-head p{color:var(--muted);max-width:520px;margin:0}.filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:16px;background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:30px}.filter-bar span{padding:8px 16px;border-radius:9px;color:var(--muted);font-size:14px}.filter-bar span.active{background:var(--green);color:#fff}
.news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.news-list{display:grid;gap:14px}.news-item{display:grid;grid-template-columns:92px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line)}.news-date{color:var(--green);font-weight:800;font-size:13px;padding-top:4px}.news-item h3{font-size:20px;line-height:1.45;margin:0 0 7px}.news-item p{font-size:14px;color:var(--muted);margin:0}.news-item:hover h3{color:var(--green)}
.feature-card{background:var(--green-dark);color:#fff;border-radius:var(--radius);padding:32px;min-height:355px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.feature-card:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(201,228,107,.3);border-radius:50%;right:-55px;top:-55px}.feature-card .tag{color:var(--lime);font-size:12px;letter-spacing:.12em;font-weight:800}.feature-card h3{font-size:30px;line-height:1.4;max-width:360px;margin:20px 0 12px}.feature-card p{color:#c8dace;font-size:14px;max-width:390px}.feature-card a{display:inline-flex;color:var(--yellow);font-weight:700;font-size:14px;margin-top:20px}.topic-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.25s}.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.topic-number{font-size:34px;font-weight:900;color:var(--lime);line-height:1}.topic-card h3{font-size:20px;margin:15px 0 7px}.topic-card p{font-size:14px;color:var(--muted);margin:0}
.info-band{background:#f1f5ed}.info-columns{display:grid;grid-template-columns:1fr 1fr;gap:50px}.info-columns h3{font-size:24px;margin:0 0 17px}.info-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.info-list li{background:#fff;border-left:3px solid var(--lime);padding:13px 17px;color:#53635a;font-size:14px}.quality-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;list-style:none;padding:0;margin:0}.quality-list li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;color:#53635a;font-size:14px}.quality-list strong{display:block;color:var(--green-dark);font-size:16px;margin-bottom:5px}
.faq-list{max-width:850px;margin:auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}.faq-item summary{padding:18px 22px;font-weight:700;color:var(--green-dark);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";color:var(--green);font-size:20px;line-height:1}.faq-item[open] summary:after{content:"－"}.faq-answer{padding:0 22px 19px;color:var(--muted);font-size:14px}
.cta-section{padding:72px 0}.cta-box{background:var(--yellow);border-radius:25px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-box h2{font-size:34px;line-height:1.35;margin:0}.cta-box p{color:#596249;margin:8px 0 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:12px;font-weight:700;border:1px solid transparent;transition:.25s}.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 18px rgba(23,107,77,.2)}.btn-primary:hover,.btn-primary:focus{background:var(--green-dark);transform:translateY(-2px)}
.site-footer{background:#132b22;color:#d6e5da;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}.footer-brand .logo{color:#fff;margin-bottom:17px}.footer-brand p{color:#9eb8a7;font-size:14px;max-width:290px}.footer-col{display:flex;flex-direction:column;gap:9px}.footer-col h3{font-size:14px;color:var(--lime);margin:0 0 8px}.footer-col a,.footer-col span{font-size:14px;color:#b4c9ba;transition:.2s}.footer-col a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;color:#8fa99a;font-size:13px}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
@media(max-width:900px){.nav-menu{gap:2px}.nav-menu a{padding:8px 9px}.intro-grid{gap:35px}.news-layout{grid-template-columns:1fr}.topic-strip{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
@media(max-width:700px){.site-header,.nav-wrap{height:70px}.nav-wrap{position:relative}.menu-toggle{display:block}.nav-menu{display:none;position:absolute;top:70px;left:0;right:0;padding:14px;background:var(--paper);border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-menu.open{display:flex}.nav-menu a{padding:12px 15px}.page-intro{padding:52px 0 45px}.intro-grid{grid-template-columns:1fr;gap:28px}.section-head{display:block}.section-head p{margin-top:12px}.topic-strip,.info-columns{grid-template-columns:1fr}.quality-list{grid-template-columns:1fr}.cta-box{display:block;padding:32px 26px}.cta-box .btn{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}}
@media(max-width:480px){.container{width:min(var(--max),calc(100% - 28px))}.logo{font-size:17px}.logo-mark{width:31px;height:31px}.news-item{grid-template-columns:1fr;gap:3px}.news-date{font-size:12px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}}

/* roulang page: category2 */
:root{
      --ink:#18231f;--muted:#68756f;--soft:#edf3ee;--paper:#fbfcf8;
      --green:#176b4d;--green-dark:#0d4936;--lime:#c9e46b;--yellow:#f2cf72;
      --line:#dce6de;--white:#fff;--shadow:0 18px 45px rgba(25,57,43,.09);
      --radius:20px;--max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:95px}
    body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    h1,h2,h3,p,ul{margin-top:0}
    h1,h2,h3{line-height:1.35}
    a:focus-visible,button:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .site-header{height:78px;background:rgba(251,252,248,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .logo{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;color:var(--green-dark);white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px 11px 11px 4px;background:var(--green);position:relative;display:grid;place-items:center;color:var(--lime);font-weight:900}
    .logo-mark:after{content:"";width:10px;height:10px;border-radius:50%;background:var(--yellow);position:absolute;right:-4px;top:-4px}
    .nav-menu{display:flex;align-items:center;gap:5px;list-style:none;padding:0;margin:0}
    .nav-menu a{display:block;padding:9px 12px;border-radius:10px;color:#53615a;font-size:14px;transition:background .2s,color .2s}
    .nav-menu a:hover,.nav-menu a:focus,.nav-menu a.active{background:var(--soft);color:var(--green-dark)}
    .nav-menu .nav-cta{background:var(--green);color:#fff;padding:10px 16px}
    .nav-menu .nav-cta:hover{background:var(--green-dark);color:#fff}
    .menu-toggle{display:none;background:var(--soft);color:var(--green-dark);width:44px;height:44px;border-radius:12px;font-size:22px}
    .page-intro{padding:54px 0 46px;background:var(--soft);border-bottom:1px solid var(--line)}
    .crumb{font-size:13px;color:var(--muted);margin-bottom:20px}
    .crumb a{color:var(--green);font-weight:700}
    .intro-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:end}
    .eyebrow,.section-kicker{color:var(--green);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:12px}
    .page-intro h1{font-size:clamp(34px,4.4vw,54px);margin:0 0 16px;max-width:760px}
    .page-intro h1 em{font-style:normal;color:var(--green)}
    .intro-copy{max-width:740px;color:var(--muted);font-size:17px;margin:0}
    .intro-note{border-left:3px solid var(--yellow);padding:5px 0 5px 18px;color:#53615a;font-size:14px}
    .intro-note strong{display:block;color:var(--green-dark);font-size:15px;margin-bottom:5px}
    main section{padding:64px 0;border-bottom:1px solid var(--line)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}
    .section-head h2{font-size:30px;margin:0}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .topic-overview{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
    .overview-copy{font-size:16px;color:#526158}
    .overview-copy p:last-child{margin-bottom:0}
    .overview-points{border-top:1px solid var(--line)}
    .overview-point{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
    .overview-point b{font-size:14px;color:var(--green);font-variant-numeric:tabular-nums}
    .overview-point strong{display:block;color:var(--green-dark);font-size:16px;margin-bottom:3px}
    .overview-point span{font-size:14px;color:var(--muted)}
    .content-section{background:#fff}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:44px}
    .content-list{border-top:1px solid var(--line)}
    .content-entry{display:grid;grid-template-columns:70px minmax(0,1fr) 24px;gap:18px;align-items:start;padding:24px 0;border-bottom:1px solid var(--line);transition:padding .2s}
    .content-entry:hover{padding-inline:8px}
    .entry-index{font-size:13px;font-weight:800;color:var(--green);padding-top:4px}
    .entry-type{display:inline-block;color:var(--green);background:var(--soft);padding:3px 9px;border-radius:5px;font-size:12px;font-weight:700;margin-bottom:8px}
    .content-entry h3{font-size:20px;margin:0 0 7px}
    .content-entry p{color:var(--muted);font-size:14px;margin:0;max-width:680px}
    .entry-arrow{font-size:20px;color:var(--green);padding-top:28px}
    .side-panel{align-self:start;background:var(--green-dark);color:white;padding:25px;border-radius:16px}
    .side-panel .section-kicker{color:var(--lime)}
    .side-panel h3{font-size:21px;margin:0 0 12px}
    .side-panel p{font-size:14px;color:#c5d9cb;margin:0 0 18px}
    .side-panel ul{list-style:none;padding:0;margin:0}
    .side-panel li{padding:11px 0;border-top:1px solid rgba(255,255,255,.16);font-size:14px;color:#e0eee4}
    .more-link{display:inline-flex;margin-top:20px;color:var(--green);font-weight:800;font-size:14px}
    .more-link span{margin-left:8px;transition:transform .2s}
    .more-link:hover span{transform:translateX(4px)}
    .feature-section{background:#f2f5ee}
    .feature-row{display:grid;grid-template-columns:1fr 1.2fr;min-height:270px;background:var(--green-dark);border-radius:18px;overflow:hidden;color:white}
    .feature-art{background:#dce9ce;position:relative;min-height:240px;display:grid;place-items:center;overflow:hidden}
    .feature-art:before,.feature-art:after{content:"";position:absolute;border:1px solid rgba(23,107,77,.23);border-radius:50%;width:260px;height:260px}
    .feature-art:after{width:180px;height:180px}
    .art-mark{position:relative;z-index:1;width:112px;height:112px;display:grid;place-items:center;border-radius:50%;background:var(--green);color:var(--lime);font-size:44px;font-weight:900;box-shadow:0 14px 35px rgba(13,73,54,.2)}
    .feature-copy{padding:34px 38px}
    .feature-copy .tag{font-size:12px;color:var(--lime);font-weight:800}
    .feature-copy h3{font-size:27px;margin:10px 0}
    .feature-copy p{color:#c5d9cb;font-size:15px;margin-bottom:16px}
    .feature-copy a{display:inline-flex;color:var(--lime);font-weight:700;font-size:14px}
    .themes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 26px}
    .theme-item{padding:22px 0;border-top:2px solid var(--green)}
    .theme-item span{font-size:12px;color:var(--green);font-weight:800}
    .theme-item h3{font-size:18px;margin:8px 0 6px}
    .theme-item p{font-size:14px;color:var(--muted);margin:0}
    .reading-band{background:#e8efe7}
    .reading-grid{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:start}
    .reading-grid h2{font-size:27px;margin:0}
    .reading-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;list-style:none;padding:0;margin:0}
    .reading-list li{padding:12px 0;border-bottom:1px solid #cfdbd0;color:#526158;font-size:14px}
    .reading-list li strong{color:var(--green-dark);margin-right:8px}
    .faq-list{max-width:900px;border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:18px 0}
    summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-weight:700;color:var(--green-dark)}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--green);font-size:20px;line-height:1}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;margin:12px 35px 0 0}
    .update-note{padding:25px 28px;background:#fff;border-left:4px solid var(--yellow);display:flex;justify-content:space-between;align-items:center;gap:24px}
    .update-note strong{color:var(--green-dark)}
    .update-note p{color:var(--muted);font-size:14px;margin:4px 0 0}
    .site-footer{background:#132b22;color:#d6e5da;padding:54px 0 23px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
    .footer-brand .logo{color:#fff;margin-bottom:15px}
    .footer-brand p{color:#9eb8a7;font-size:14px;max-width:300px}
    .footer-col{display:flex;flex-direction:column;align-items:flex-start;gap:9px}
    .footer-col h3{font-size:14px;color:#fff;margin:0 0 7px}
    .footer-col a,.footer-col span{font-size:13px;color:#a9c0b1;transition:color .2s}
    .footer-col a:hover{color:var(--lime)}
    .copyright{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#91aa9a;font-size:12px}
    @media(max-width:1024px){
      .nav-menu{gap:0}.nav-menu a{padding:9px 8px;font-size:13px}
      .intro-grid{gap:30px}.content-layout{gap:28px}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:26px}.footer-col:last-child{grid-column:2}
    }
    @media(max-width:768px){
      .site-header,.nav-wrap{height:70px}.container{width:min(var(--max),calc(100% - 32px))}
      .menu-toggle{display:block}
      .nav-menu{display:none;position:absolute;top:69px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 16px 18px;box-shadow:0 14px 24px rgba(25,57,43,.08);align-items:stretch;flex-direction:column}
      .nav-menu.is-open{display:flex}
      .nav-menu a{padding:12px 14px;font-size:15px}
      .nav-menu .nav-cta{text-align:center;margin-top:5px}
      .page-intro{padding:38px 0 34px}
      .intro-grid{grid-template-columns:1fr;gap:20px}
      .intro-note{max-width:560px}
      main section{padding:49px 0}
      .topic-overview,.content-layout{grid-template-columns:1fr}
      .content-layout{gap:30px}
      .side-panel{max-width:none}
      .feature-row{grid-template-columns:.8fr 1.2fr}
      .feature-copy{padding:27px}
      .themes-grid{grid-template-columns:1fr 1fr;gap:0 22px}
      .reading-grid{grid-template-columns:1fr;gap:18px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/ span 2}
      .footer-col:last-child{grid-column:auto}
      .copyright{flex-wrap:wrap}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      .logo{font-size:17px}
      .page-intro h1{font-size:35px}
      .intro-copy{font-size:15px}
      .section-head{display:block}
      .section-head h2{font-size:26px;margin-bottom:10px}
      .content-entry{grid-template-columns:38px minmax(0,1fr) 18px;gap:11px;padding:19px 0}
      .content-entry h3{font-size:17px}
      .entry-index{font-size:12px}
      .feature-row{grid-template-columns:1fr}
      .feature-art{min-height:170px}
      .art-mark{width:82px;height:82px;font-size:34px}
      .feature-copy{padding:24px}
      .feature-copy h3{font-size:23px}
      .themes-grid{grid-template-columns:1fr}
      .reading-list{grid-template-columns:1fr;gap:0}
      .update-note{display:block;padding:21px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}
      .footer-brand{grid-column:1 / -1}
      .footer-col:last-child{grid-column:auto}
      .copyright{font-size:11px}
    }
    @media(prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}
      *,*:before,*:after{transition:none!important}
    }