/* roulang page: index */
:root{--ink:#202523;--text:#2b302e;--muted:#68706b;--paper:#fffefa;--wash:#f5f3ee;--green:#387260;--green-dark:#285747;--sage:#bfd1c5;--sage-light:#e6eee8;--terra:#c56d47;--line:#dce3dc;--radius:16px;--radius-sm:10px;--shadow:0 12px 32px rgba(32,37,35,.08);--shadow-lg:0 20px 48px rgba(32,37,35,.13);--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--wash);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.topbar{background:var(--ink);color:#dbe4de;font-size:13px}.topbar .container{height:36px;display:flex;align-items:center;gap:26px}.topbar span:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--sage);margin-right:8px;vertical-align:middle}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,254,250,.95);backdrop-filter:blur(12px);border-bottom:1px solid transparent}.site-header.scrolled{box-shadow:0 5px 18px rgba(32,37,35,.06);border-color:var(--line)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:flex;align-items:center;gap:11px;min-width:220px}.brand-mark{width:34px;height:38px;border:2px solid var(--green);border-radius:9px;display:grid;place-items:center;color:var(--green);font-weight:800;font-size:21px;line-height:1}.brand-copy strong{display:block;font-size:16px;letter-spacing:.02em;line-height:1.2}.brand-copy small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.nav{display:flex;align-items:center;gap:23px}.nav a{font-size:14px;color:#4d5550;padding:27px 0 23px;border-bottom:3px solid transparent;transition:.2s}.nav a:hover,.nav a.active{color:var(--green);border-bottom-color:var(--green)}.nav-actions{display:flex;gap:10px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 18px;font-weight:650;font-size:14px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px)}.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(56,114,96,.25);outline-offset:3px}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green-dark);box-shadow:0 8px 18px rgba(56,114,96,.2)}.btn-outline{border-color:#b9c5bc;background:transparent;color:var(--ink)}.btn-outline:hover{border-color:var(--green);color:var(--green);background:#f4f8f4}.menu-toggle{display:none;border:0;background:none;font-size:24px;color:var(--ink)}main{overflow:hidden}.section{padding:94px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}.eyebrow{display:flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:700;letter-spacing:.08em}.eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,4.4vw,54px);line-height:1.18;letter-spacing:-.045em;margin-bottom:20px}h2{font-size:clamp(28px,3vw,36px);line-height:1.25;letter-spacing:-.03em;margin-bottom:10px}h3{font-size:18px;line-height:1.4;margin-bottom:8px}.intro{color:var(--muted);max-width:650px;font-size:16px}.text-link{color:var(--green);font-weight:700;font-size:14px;white-space:nowrap}.text-link:after{content:" →";transition:.2s}.text-link:hover:after{margin-left:5px}
.hero{padding:72px 0 42px;position:relative;background:var(--paper)}.hero:before{content:"1";position:absolute;right:7%;top:-78px;color:rgba(56,114,96,.05);font-size:460px;font-weight:800;line-height:1;pointer-events:none}.hero-grid{display:grid;grid-template-columns:1fr 1.04fr;align-items:center;gap:55px;position:relative}.hero-copy p{font-size:18px;line-height:1.8;color:var(--muted);max-width:550px;margin-bottom:29px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.device-stage{height:420px;position:relative}.phone{position:absolute;border:8px solid #272e2b;border-radius:34px;background:#f7f5ef;box-shadow:var(--shadow-lg);overflow:hidden}.phone.large{height:405px;width:202px;right:21%;top:5px;z-index:3}.phone.small{height:285px;width:143px;right:53%;top:76px;z-index:2;opacity:.98}.phone.tiny{height:234px;width:118px;right:0;top:116px;z-index:1}.speaker{height:5px;width:44px;background:#45504a;border-radius:10px;margin:8px auto}.screen{padding:15px 12px}.screen-title{font-size:10px;font-weight:800;margin:8px 0 13px}.screen-banner{height:72px;border-radius:10px;background:var(--green);padding:11px;color:white;font-size:10px;font-weight:700}.screen-banner small{display:block;font-weight:400;margin-top:5px;opacity:.8}.screen-line{height:9px;background:#dce4dd;border-radius:5px;margin-top:11px}.screen-line.short{width:62%}.screen-card{margin-top:11px;background:#fff;border:1px solid #e0e5df;border-radius:9px;padding:9px}.screen-card b{font-size:9px}.screen-card span{display:block;height:6px;background:#e2e8e3;border-radius:3px;margin-top:7px}.hero-strip{margin-top:52px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr)}.hero-strip div{padding:19px 22px;border-right:1px solid var(--line);font-size:14px;font-weight:700}.hero-strip div:last-child{border:0}.hero-strip span{color:var(--green);margin-right:8px}
.quick{padding:22px 0;background:var(--sage-light)}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#cad8ce;border:1px solid #cad8ce;border-radius:var(--radius);overflow:hidden}.quick-item{background:#f7faf7;padding:20px 23px;display:flex;align-items:center;justify-content:space-between;gap:15px}.quick-item:hover{background:#fff}.quick-item small{display:block;color:var(--terra);font-weight:700;font-size:12px}.quick-item strong{font-size:15px;display:block;margin-top:3px}.quick-item time{color:var(--muted);font-size:12px}
.channel-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:16px}.channel-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:170px;position:relative;transition:.25s;overflow:hidden}.channel-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow)}.channel-card.wide{grid-column:span 2}.channel-card .number{font-size:12px;color:var(--green);font-weight:800;letter-spacing:.12em}.channel-card h3{font-size:20px;margin:23px 0 5px}.channel-card p{font-size:14px;color:var(--muted);margin:0;max-width:250px}.channel-card .arrow{position:absolute;right:22px;bottom:19px;color:var(--green);font-size:20px}
.news-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:20px}.feature-news{background:var(--ink);border-radius:var(--radius);padding:34px;color:#fff;min-height:355px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}.feature-news:before{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(191,209,197,.35);border-radius:50%;top:-82px;right:-58px}.tag{display:inline-flex;align-items:center;width:max-content;background:var(--sage-light);color:var(--green);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700}.tag.terra{background:#f4dfd5;color:#9b4d2e}.feature-news .tag{background:rgba(191,209,197,.18);color:#dce9df}.feature-news h3{font-size:28px;max-width:480px;margin:15px 0 12px}.feature-news p{color:#c7d0ca;max-width:520px;margin-bottom:20px}.feature-news time{font-size:13px;color:#aebbb3}.timeline{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);padding:9px 25px}.timeline-item{display:grid;grid-template-columns:84px 1fr;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}.timeline-item:last-child{border:0}.timeline-item time{font-size:12px;color:var(--muted);padding-top:4px}.timeline-item h3{font-size:15px;margin:6px 0 0}.empty{padding:35px;text-align:center;color:var(--muted);border:1px dashed #bcc9be;border-radius:12px;background:#fbfcfa}
.download{background:var(--sage-light)}.download-grid{display:grid;grid-template-columns:1fr .78fr;gap:70px;align-items:center}.download-options{display:flex;gap:11px;flex-wrap:wrap;margin:25px 0 18px}.store-btn{min-width:170px;background:var(--ink);color:white;padding:12px 15px;border-radius:10px;display:flex;align-items:center;gap:10px}.store-btn b{font-size:14px}.store-btn small{font-size:11px;opacity:.7;display:block}.store-icon{font-size:21px}.download-meta{display:flex;align-items:center;gap:18px;font-size:13px;color:var(--muted)}.qr{width:86px;height:86px;border:1px dashed #8ba293;border-radius:10px;background:#fff;display:grid;place-items:center;text-align:center;font-size:11px;color:var(--muted);line-height:1.35}.download-note{margin-top:19px;font-size:13px;color:var(--muted)}.download-visual{height:380px;position:relative}.download-visual .phone{right:19%;height:370px;width:184px;top:0}.checklist{counter-reset:check}.check-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.check-item{padding:27px 21px;border-right:1px solid var(--line);counter-increment:check}.check-item:last-child{border-right:0}.check-item:before{content:"0" counter(check);color:var(--terra);font-size:13px;font-weight:800}.check-item h3{margin-top:14px}.check-item p{font-size:14px;color:var(--muted);margin-bottom:0}
.rail-wrap{overflow:auto;padding-bottom:12px}.rail{display:flex;gap:16px;min-width:max-content}.rail-card{width:265px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.2s}.rail-card:first-child{width:405px;background:#edf3ee}.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--green)}.rail-card .meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.rail-card h3{font-size:19px;margin-top:25px}.rail-card p{font-size:14px;color:var(--muted);height:67px;margin-bottom:15px}
.notice{background:var(--ink);color:#fff}.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center}.notice h2{font-size:39px}.notice p{color:#bfc9c2;max-width:500px}.notice-list{border-top:1px solid rgba(255,255,255,.18)}.notice-row{padding:17px 0;border-bottom:1px solid rgba(255,255,255,.18);display:grid;grid-template-columns:100px 1fr auto;gap:15px;align-items:center}.notice-row time{color:#b9cabd;font-size:12px}.notice-row a{font-size:15px;font-weight:700}.notice-row span{color:#d8e5db}
.guide-grid{display:grid;grid-template-columns:.65fr 1.35fr;gap:25px}.guide-tabs{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:8px}.guide-tab{width:100%;border:0;background:transparent;text-align:left;padding:17px 15px;border-radius:10px;color:var(--muted);font-weight:700}.guide-tab.active,.guide-tab:hover{background:var(--sage-light);color:var(--green)}.guide-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:38px}.guide-panel .step-no{color:var(--terra);font-weight:800;font-size:13px}.guide-panel h3{font-size:25px;margin-top:13px}.guide-panel p{color:var(--muted);max-width:590px}.mini-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:25px}.mini-points div{padding:14px;background:#f5f7f4;border-radius:10px;font-size:14px;font-weight:600}
.security-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.security-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:23px}.security-icon{width:38px;height:38px;border-radius:11px;background:var(--sage-light);color:var(--green);display:grid;place-items:center;font-weight:800}.security-card h3{margin-top:18px}.security-card p{font-size:14px;color:var(--muted);margin:0}
.calendar{display:grid;grid-template-columns:200px 1fr;gap:45px}.month-card{background:var(--green);color:#fff;border-radius:var(--radius);padding:28px;height:max-content}.month-card b{display:block;font-size:54px;line-height:1}.month-card span{font-size:14px;opacity:.8}.event-list{border-left:1px solid #b7c7b9;padding-left:30px}.event{position:relative;padding:0 0 28px}.event:before{content:"";width:11px;height:11px;border-radius:50%;background:var(--terra);position:absolute;left:-36px;top:7px;border:3px solid var(--wash)}.event:last-child{padding-bottom:0}.event .event-meta{font-size:13px;color:var(--terra);font-weight:700}.event h3{font-size:19px;margin:6px 0}.event p{margin:0;color:var(--muted);font-size:14px}
.faq-wrap{max-width:870px;margin:auto}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-q{width:100%;display:flex;justify-content:space-between;gap:20px;border:0;background:transparent;padding:21px 0;text-align:left;font-weight:750;color:var(--text)}.faq-q i{font-style:normal;font-size:21px;color:var(--green)}.faq-a{display:none;color:var(--muted);font-size:15px;padding:0 38px 20px 0}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q i{transform:rotate(45deg)}
.support{background:#ecefe9}.support-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px}.support-list{margin-top:26px}.support-list div{padding:15px 0;border-bottom:1px solid #ccd7ce}.support-list strong{display:block;font-size:14px}.support-list span{color:var(--muted);font-size:14px}.form-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px}.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.field{margin-bottom:15px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.field em{color:var(--terra);font-style:normal}.field input,.field textarea{width:100%;border:1px solid #ccd7ce;border-radius:9px;background:#fff;padding:11px 12px;color:var(--text);transition:.2s}.field input:focus,.field textarea:focus{border-color:var(--green);outline:0;box-shadow:0 0 0 3px rgba(56,114,96,.1)}.field textarea{height:88px;resize:vertical}.privacy{font-size:12px;color:var(--muted);margin:12px 0 0}
.bottom-download{padding:62px 0;background:var(--ink);color:white}.bottom-grid{display:grid;grid-template-columns:1.2fr auto auto;gap:32px;align-items:center}.bottom-grid h2{margin:0;font-size:30px}.bottom-grid p{color:#bfc9c2;margin:7px 0 0}.bottom-actions{display:flex;gap:10px}.bottom-actions .btn-outline{border-color:#6c8175;color:#fff}.footer{background:#171b19;color:#d4ddd6;padding:57px 0 20px}.footer-grid{display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:35px}.footer .brand{margin-bottom:15px}.footer .brand-copy small{color:#9cab9f}.footer-desc{color:#9ca9a0;font-size:14px;max-width:280px}.footer h3{font-size:14px;color:#fff;margin-bottom:14px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:13px;color:#aebbb2}.footer-links a:hover{color:#fff}.footer-download{display:flex;gap:10px;align-items:center}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:43px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:#89978d;font-size:12px}
@media(max-width:1024px){.nav{gap:14px}.brand{min-width:190px}.hero-grid,.download-grid,.notice-grid,.support-grid{gap:35px}.section{padding:76px 0}.channel-grid{grid-template-columns:repeat(2,1fr)}.security-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.topbar .container{justify-content:center;gap:12px;font-size:11px}.topbar span:last-child{display:none}.nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);padding:10px 24px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:10px 0;border-bottom:0}.menu-toggle{display:block}.nav-actions .btn{display:none}.brand{min-width:0}.hero{padding-top:50px}.hero-grid,.news-layout,.download-grid,.notice-grid,.guide-grid,.support-grid{grid-template-columns:1fr}.device-stage{height:350px;margin-top:5px}.phone.large{right:23%}.hero-strip{grid-template-columns:1fr}.hero-strip div{border-right:0;border-bottom:1px solid var(--line)}.hero-strip div:last-child{border-bottom:0}.quick-grid{grid-template-columns:1fr}.section{padding:61px 0}.section-head{align-items:start;flex-direction:column;margin-bottom:25px}.channel-grid{grid-template-columns:1fr}.channel-card.wide{grid-column:auto}.check-list{grid-template-columns:1fr 1fr}.check-item:nth-child(2){border-right:0}.check-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.download-visual{height:320px}.download-visual .phone{height:310px;width:155px;right:25%}.calendar{grid-template-columns:1fr;gap:25px}.month-card{display:flex;align-items:center;gap:15px;padding:18px}.month-card b{font-size:40px}.bottom-grid,.footer-grid{grid-template-columns:1fr}.bottom-actions{flex-wrap:wrap}.footer-grid{gap:29px}.footer-bottom{flex-direction:column}.notice-row{grid-template-columns:74px 1fr}.notice-row span{display:none}}
@media(max-width:520px){h1{font-size:34px}.hero-copy p{font-size:16px}.hero-actions,.download-options{flex-direction:column}.hero-actions .btn,.download-options .store-btn{width:100%}.field-grid,.mini-points,.security-grid,.check-list{grid-template-columns:1fr}.check-item{border-right:0!important;border-bottom:1px solid var(--line)}.check-item:last-child{border-bottom:0}.feature-news{padding:25px;min-height:310px}.feature-news h3{font-size:24px}.timeline{padding:8px 17px}.timeline-item{grid-template-columns:65px 1fr}.phone.small{right:55%}.phone.tiny{display:none}.bottom-grid h2{font-size:26px}}

/* roulang page: article */
:root{--ink:#202523;--text:#2b302e;--muted:#68706b;--paper:#fffefa;--wash:#f5f3ee;--green:#387260;--green-dark:#285747;--sage:#bfd1c5;--sage-light:#e6eee8;--terra:#c56d47;--line:#dce3dc;--radius:16px;--radius-sm:10px;--shadow:0 12px 32px rgba(32,37,35,.08);--shadow-lg:0 20px 48px rgba(32,37,35,.13);--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--wash);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.topbar{background:var(--ink);color:#dbe4de;font-size:13px}
.topbar .container{height:36px;display:flex;align-items:center;gap:26px}
.topbar span:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--sage);margin-right:8px;vertical-align:middle}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,254,250,.95);backdrop-filter:blur(12px);border-bottom:1px solid transparent}
.site-header.scrolled{box-shadow:0 5px 18px rgba(32,37,35,.06);border-color:var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:flex;align-items:center;gap:11px;min-width:220px}
.brand-mark{width:34px;height:38px;border:2px solid var(--green);border-radius:9px;display:grid;place-items:center;color:var(--green);font-weight:800;font-size:21px;line-height:1}
.brand-copy strong{display:block;font-size:16px;letter-spacing:.02em;line-height:1.2}
.brand-copy small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.nav{display:flex;align-items:center;gap:23px}
.nav a{font-size:14px;color:#4d5550;padding:27px 0 23px;border-bottom:3px solid transparent;transition:.2s}
.nav a:hover,.nav a.active{color:var(--green);border-bottom-color:var(--green)}
.nav-actions{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 18px;font-weight:650;font-size:14px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(56,114,96,.25);outline-offset:3px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);box-shadow:0 8px 18px rgba(56,114,96,.2)}
.btn-outline{border-color:#b9c5bc;background:transparent;color:var(--ink)}
.btn-outline:hover{border-color:var(--green);color:var(--green);background:#f4f8f4}
.menu-toggle{display:none;border:0;background:none;font-size:24px;color:var(--ink)}
main{overflow:hidden}
.section{padding:78px 0}
.eyebrow{display:flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
.text-link{color:var(--green);font-weight:700;font-size:14px}
.text-link:after{content:" →";transition:.2s}
.text-link:hover:after{margin-left:5px}
.footer{background:var(--ink);color:#e4ebe6;padding:62px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px;padding-bottom:45px}
.footer .brand{color:#fff}
.footer .brand-copy small{color:#afbbb3}
.footer-desc{max-width:280px;color:#adb9b1;font-size:14px;margin:19px 0 0}
.footer h3{font-size:14px;color:#fff;margin:5px 0 16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:#b8c4bc;transition:.2s}
.footer-links a:hover{color:#d9ece0;transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(191,209,197,.18);padding-top:19px;display:flex;justify-content:space-between;gap:18px;color:#9eaba3;font-size:12px}
.article-hero{padding:48px 0 56px;background:var(--paper);border-bottom:1px solid var(--line);position:relative}
.article-hero:after{content:"1";position:absolute;right:8%;top:-105px;font-size:320px;font-weight:800;color:rgba(56,114,96,.045);line-height:1;pointer-events:none}
.breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px;margin-bottom:25px}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb i{font-style:normal;color:#a8b0aa}
.article-meta{position:relative;z-index:1;max-width:900px}
.tag{display:inline-flex;align-items:center;background:var(--sage-light);color:var(--green);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700}
.article-meta h1{font-size:clamp(32px,4.2vw,50px);letter-spacing:-.035em;line-height:1.22;margin:18px 0;color:var(--ink);font-weight:800}
.article-summary{max-width:800px;color:var(--muted);font-size:17px;margin:0 0 20px}
.meta-row{display:flex;flex-wrap:wrap;gap:12px 22px;color:var(--muted);font-size:13px}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row span:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--sage)}
.cover-section{padding:38px 0 22px}
.cover-visual{min-height:330px;border-radius:var(--radius);overflow:hidden;position:relative;background:linear-gradient(135deg,#24342d 0%,#386b5b 48%,#a9c1af 100%);box-shadow:var(--shadow-lg)}
.cover-visual:before{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(255,255,255,.22);border-radius:50%;right:7%;top:-180px}
.cover-visual:after{content:"壹号国际";position:absolute;left:7%;bottom:12%;color:rgba(255,255,255,.9);font-size:clamp(28px,5vw,62px);font-weight:800;letter-spacing:.06em}
.cover-lines{position:absolute;left:7%;top:15%;width:180px;height:108px;border-left:2px solid rgba(255,255,255,.55);border-top:2px solid rgba(255,255,255,.55)}
.cover-caption{font-size:13px;color:var(--muted);margin:11px 0 0}
.reading-layout{display:grid;grid-template-columns:215px minmax(0,790px);justify-content:center;gap:48px;align-items:start}
.toc-wrap{position:sticky;top:108px}
.toc-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:21px}
.toc-title{font-size:14px;font-weight:800;margin:0 0 13px;color:var(--ink)}
.toc-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.toc-list a{display:block;color:var(--muted);font-size:13px;line-height:1.45;padding-left:11px;border-left:2px solid var(--line);transition:.2s}
.toc-list a:hover,.toc-list a.current{color:var(--green);border-left-color:var(--green)}
.toc-empty{color:var(--muted);font-size:13px;margin:0}
.article-body{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(25px,5vw,55px);box-shadow:var(--shadow)}
.article-body>*:first-child{margin-top:0}
.article-body h2{font-size:27px;line-height:1.38;color:var(--ink);margin:2.25em 0 .8em;font-weight:800;scroll-margin-top:120px}
.article-body h3{font-size:20px;line-height:1.45;color:var(--ink);margin:1.8em 0 .7em;font-weight:750;scroll-margin-top:120px}
.article-body p{font-size:17px;line-height:2;margin:0 0 1.25em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.35em}
.article-body li{margin:.48em 0;font-size:16px}
.article-body blockquote{margin:1.7em 0;padding:17px 20px;border-left:4px solid var(--green);background:var(--sage-light);color:#405248;border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.article-body img{border-radius:12px;margin:1.7em auto;box-shadow:var(--shadow)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14px;display:block;overflow-x:auto}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--sage-light);color:var(--ink)}
.article-body a{color:var(--green);font-weight:700;border-bottom:1px solid rgba(56,114,96,.3)}
.article-body .notice,.article-body .download-card{background:#f4f8f4;border:1px solid #ccdbd0;border-radius:12px;padding:18px 20px;margin:1.6em 0}
.not-found{text-align:center;padding:38px 12px}
.not-found h2{margin:0 0 10px;font-size:25px}
.not-found p{color:var(--muted);margin:0 0 20px}
.info-card{margin:42px auto 0;max-width:790px;background:var(--sage-light);border:1px solid #ccdbd0;border-radius:var(--radius);padding:24px 27px}
.info-card h2{font-size:18px;margin:0 0 15px;color:var(--ink)}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.info-grid div{padding-right:13px;border-right:1px solid #c8d6cc}
.info-grid div:last-child{border:0}
.info-grid small{display:block;color:var(--muted);font-size:12px;margin-bottom:3px}
.info-grid strong{font-size:14px;color:var(--text)}
.action-card{max-width:790px;margin:34px auto 0;background:var(--ink);color:#fff;border-radius:var(--radius);padding:31px;display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;overflow:hidden}
.action-card:after{content:"1";position:absolute;right:4%;bottom:-85px;font-size:230px;font-weight:800;color:rgba(191,209,197,.1);line-height:1}
.action-card h2{font-size:23px;margin:0 0 7px;position:relative;z-index:1}
.action-card p{margin:0;color:#c8d2cc;font-size:14px;position:relative;z-index:1}
.action-card .btn{position:relative;z-index:1;flex:none}
.related-section{padding:78px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:28px}
.section-head h2{font-size:30px;margin:7px 0 0;color:var(--ink)}
.related-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:17px}
.related-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;min-height:225px;display:flex;flex-direction:column;transition:.25s}
.related-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow)}
.related-card:first-child{background:#edf4ee}
.related-card h3{font-size:18px;line-height:1.5;margin:15px 0 10px;color:var(--ink)}
.related-card p{font-size:14px;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .text-link{margin-top:auto}
.support-band{padding:0 0 82px}
.support-inner{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.support-inner h2{font-size:24px;margin:0 0 7px;color:var(--ink)}
.support-inner p{margin:0;color:var(--muted);font-size:14px}
.support-actions{display:flex;gap:10px;flex-wrap:wrap}
.article-note{max-width:790px;margin:24px auto 0;color:var(--muted);font-size:13px;border-top:1px solid var(--line);padding-top:18px}
@media(max-width:1024px){.nav{gap:15px}.nav a{font-size:13px}.reading-layout{grid-template-columns:180px minmax(0,1fr);gap:24px}.footer-grid{gap:28px}.related-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.topbar .container{justify-content:center;gap:14px;font-size:12px}.topbar span:last-child{display:none}.nav-wrap{height:68px}.brand{min-width:0}.nav-actions .btn{display:none}.menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:12px 4px;border-bottom:1px solid var(--line)}.article-hero{padding:34px 0 40px}.article-summary{font-size:16px}.cover-section{padding-top:25px}.cover-visual{min-height:235px}.reading-layout{display:block}.toc-wrap{position:relative;top:auto;margin-bottom:18px}.toc-box{padding:16px 18px}.toc-list{max-height:170px;overflow:auto}.article-body{padding:25px 21px}.article-body h2{font-size:24px}.article-body p{font-size:16px}.info-grid{grid-template-columns:1fr}.info-grid div{padding:0 0 12px;border:0;border-bottom:1px solid #c8d6cc}.info-grid div:last-child{padding-bottom:0;border:0}.action-card{display:block;padding:27px}.action-card .btn{margin-top:19px}.related-grid{grid-template-columns:1fr}.related-card{min-height:185px}.support-inner{display:block;padding:28px}.support-actions{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin:6px 0}}
@media(max-width:520px){.topbar{display:none}.site-header{position:relative}.article-meta h1{font-size:31px}.meta-row{gap:8px 15px}.cover-visual{min-height:190px}.cover-visual:after{font-size:34px}.section{padding:54px 0}.footer-grid{grid-template-columns:1fr;gap:25px}.btn{width:100%}.support-actions{display:grid}.article-body table{font-size:13px}}

/* roulang page: category1 */
:root{--ink:#202523;--text:#2b302e;--muted:#68706b;--paper:#fffefa;--wash:#f5f3ee;--green:#387260;--green-dark:#285747;--sage:#bfd1c5;--sage-light:#e6eee8;--terra:#c56d47;--line:#dce3dc;--radius:16px;--radius-sm:10px;--shadow:0 12px 32px rgba(32,37,35,.08);--shadow-lg:0 20px 48px rgba(32,37,35,.13);--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--wash);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.topbar{background:var(--ink);color:#dbe4de;font-size:13px}
.topbar .container{height:36px;display:flex;align-items:center;gap:26px}
.topbar span:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--sage);margin-right:8px;vertical-align:middle}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,254,250,.95);backdrop-filter:blur(12px);border-bottom:1px solid transparent}
.site-header.scrolled{box-shadow:0 5px 18px rgba(32,37,35,.06);border-color:var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:flex;align-items:center;gap:11px;min-width:220px}
.brand-mark{width:34px;height:38px;border:2px solid var(--green);border-radius:9px;display:grid;place-items:center;color:var(--green);font-weight:800;font-size:21px;line-height:1}
.brand-copy strong{display:block;font-size:16px;letter-spacing:.02em;line-height:1.2}
.brand-copy small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.nav{display:flex;align-items:center;gap:23px}
.nav a{font-size:14px;color:#4d5550;padding:27px 0 23px;border-bottom:3px solid transparent;transition:.2s}
.nav a:hover,.nav a.active{color:var(--green);border-bottom-color:var(--green)}
.nav-actions{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 18px;font-weight:650;font-size:14px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(56,114,96,.25);outline-offset:3px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);box-shadow:0 8px 18px rgba(56,114,96,.2)}
.btn-outline{border-color:#b9c5bc;background:transparent;color:var(--ink)}
.btn-outline:hover{border-color:var(--green);color:var(--green);background:#f4f8f4}
.menu-toggle{display:none;border:0;background:none;font-size:24px;color:var(--ink)}
main{overflow:hidden}
.section{padding:82px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.eyebrow{display:flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,4vw,50px);line-height:1.2;letter-spacing:-.04em;margin:16px 0}
h2{font-size:32px;line-height:1.3;margin-bottom:10px}
h3{font-size:20px;line-height:1.4}
.page-intro{background:var(--paper);border-bottom:1px solid var(--line);padding:38px 0 48px}
.breadcrumb{color:var(--muted);font-size:13px;margin-bottom:28px}
.breadcrumb a:hover{color:var(--green)}
.intro-row{display:flex;justify-content:space-between;align-items:end;gap:30px}
.intro-copy{max-width:750px}
.intro-copy p{font-size:17px;color:var(--muted);max-width:680px;margin-bottom:0}
.update-note{border-left:3px solid var(--terra);padding:8px 0 8px 16px;color:var(--muted);font-size:13px;min-width:165px}
.update-note strong{display:block;color:var(--ink);font-size:22px}
.focus-card{display:grid;grid-template-columns:1.12fr .88fr;background:var(--ink);color:#fff;border-radius:var(--radius);overflow:hidden;min-height:325px;box-shadow:var(--shadow-lg)}
.focus-copy{padding:38px 42px;display:flex;flex-direction:column;justify-content:center}
.focus-copy p{color:#cbd5ce;max-width:600px}
.focus-copy h2{font-size:29px;margin:15px 0 12px}
.focus-meta{display:flex;gap:18px;color:#aebbb3;font-size:13px;margin-top:6px}
.focus-visual{min-height:325px;background:#30463c;position:relative;overflow:hidden}
.focus-visual:before,.focus-visual:after{content:"";position:absolute;border:1px solid rgba(191,209,197,.28);border-radius:50%;width:360px;height:360px;position:absolute;right:-120px;top:-120px}.focus-visual:after{width:190px;height:190px;left:35px;bottom:-80px;border-color:rgba(191,209,197,.18)}
.visual-label{position:absolute;left:34px;top:34px;color:#dce9df;font-size:12px;letter-spacing:.12em}
.visual-panel{position:absolute;left:34px;right:34px;bottom:32px;border:1px solid rgba(219,232,222,.25);border-radius:14px;padding:22px;background:rgba(255,255,255,.06)}
.visual-panel span{display:block;width:42%;height:7px;border-radius:5px;background:var(--sage);margin-bottom:16px}
.visual-panel i{display:block;height:8px;border-radius:5px;background:rgba(255,255,255,.2);margin:10px 0}
.visual-panel i:nth-child(3){width:72%}.visual-panel i:nth-child(4){width:88%}
.topic-bar{display:flex;flex-wrap:wrap;gap:10px}
.topic{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:9px 17px;color:#53615a;font-size:14px;transition:.2s}
.topic:hover,.topic.selected{border-color:var(--green);background:var(--sage-light);color:var(--green)}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:26px;align-items:start}
.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.article-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow)}
.article-cover{height:132px;background:#dfe9e1;position:relative;overflow:hidden}
.article-cover:before{content:"";position:absolute;width:150px;height:150px;border:1px solid rgba(56,114,96,.25);border-radius:50%;right:18px;top:-55px}
.article-cover:after{content:"1";position:absolute;color:rgba(56,114,96,.14);font-size:110px;font-weight:800;right:38px;top:-18px}
.article-body{padding:20px 21px 22px;display:flex;flex:1;flex-direction:column}
.article-body h3{margin:13px 0 8px;font-size:18px}
.article-body p{color:var(--muted);font-size:14px;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
.article-foot a{color:var(--green);font-weight:700}
.side-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:sticky;top:132px}
.side-card h3{font-size:18px;margin-bottom:15px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{border-top:1px solid var(--line);padding:13px 0}
.side-list a{font-size:14px;font-weight:650}
.side-list a:hover{color:var(--green)}
.side-list small{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.more-row{text-align:center;margin-top:30px}
.info-strip{background:var(--sage-light);border:1px solid #cfddd2;border-radius:var(--radius);padding:25px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px}
.info-unit{padding:4px 24px;border-right:1px solid #c9d9cd}
.info-unit:last-child{border-right:0}
.info-unit strong{display:block;color:var(--green);font-size:25px;margin-bottom:3px}
.info-unit span{font-size:14px;color:var(--muted)}
.operation-card{display:flex;align-items:center;justify-content:space-between;gap:25px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:27px 30px}
.operation-card h2{font-size:24px;margin-bottom:6px}
.operation-card p{color:var(--muted);margin:0}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:var(--paper)}
.faq-item summary{list-style:none;padding:20px 24px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:15px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";font-size:22px;color:var(--green);font-weight:400}
.faq-item[open] summary:after{content:"−"}
.faq-answer{padding:0 24px 20px;color:var(--muted);font-size:15px;max-width:850px}
.support-box{background:var(--ink);border-radius:var(--radius);color:#fff;padding:35px 38px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:25px}
.support-box h2{font-size:26px;margin-bottom:8px}
.support-box p{color:#cbd5ce;margin:0;max-width:650px}
.footer{background:var(--ink);color:#eaf1eb;padding:62px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px;padding-bottom:44px}
.footer .brand-copy strong{color:#fff}
.footer .footer-desc{color:#aebbb3;font-size:14px;max-width:250px;margin-top:18px}
.footer h3{font-size:15px;margin-bottom:17px;color:#fff}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{color:#b8c6bc;font-size:14px;transition:.2s}
.footer-links a:hover{color:#dce9df;transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(219,232,222,.15);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#93a39a;font-size:12px}
.empty-state{grid-column:1/-1;padding:48px 20px;text-align:center;color:var(--muted);background:var(--paper);border:1px dashed #bccbc0;border-radius:var(--radius)}
@media(max-width:1024px){.nav{gap:14px}.nav a{font-size:13px}.brand{min-width:190px}.content-layout{grid-template-columns:1fr 240px}.container{width:min(var(--max),calc(100% - 40px))}}
@media(max-width:768px){.topbar .container{height:34px;gap:15px;font-size:12px}.topbar span:last-child{display:none}.nav-wrap{height:68px}.menu-toggle{display:block}.nav{display:none;position:absolute;left:20px;right:20px;top:68px;background:var(--paper);border:1px solid var(--line);border-radius:0 0 14px 14px;padding:8px 20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:12px 0;border-bottom:1px solid var(--line)}.nav a:last-child{border-bottom:0}.nav-actions{display:none}.intro-row{display:block}.update-note{margin-top:22px}.section{padding:64px 0}.section-head{display:block;margin-bottom:23px}.section-head .text-link{display:inline-block;margin-top:10px}.focus-card{grid-template-columns:1fr}.focus-visual{min-height:220px;order:-1}.focus-copy{padding:29px 25px}.content-layout{grid-template-columns:1fr}.side-card{position:static}.info-strip{grid-template-columns:1fr;gap:13px}.info-unit{border-right:0;border-bottom:1px solid #c9d9cd;padding:10px 3px}.info-unit:last-child{border-bottom:0}.operation-card,.support-box{display:block}.operation-card .btn,.support-box .btn{margin-top:20px}.footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.container{width:min(var(--max),calc(100% - 32px))}.brand{min-width:0}.brand-copy small{font-size:10px}h1{font-size:34px}h2{font-size:27px}.page-intro{padding:29px 0 37px}.breadcrumb{margin-bottom:20px}.article-grid{grid-template-columns:1fr}.focus-copy h2{font-size:24px}.focus-visual{min-height:190px}.visual-panel{left:22px;right:22px;bottom:20px}.visual-label{left:22px;top:22px}.hero-actions,.operation-card .btn,.support-box .btn{width:100%}.btn{width:100%}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: category2 */
:root{--ink:#202523;--text:#2b302e;--muted:#68706b;--paper:#fffefa;--wash:#f5f3ee;--green:#387260;--green-dark:#285747;--sage:#bfd1c5;--sage-light:#e6eee8;--terra:#c56d47;--line:#dce3dc;--radius:16px;--radius-sm:10px;--shadow:0 12px 32px rgba(32,37,35,.08);--shadow-lg:0 20px 48px rgba(32,37,35,.13);--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--wash);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.topbar{background:var(--ink);color:#dbe4de;font-size:13px}
.topbar .container{height:36px;display:flex;align-items:center;gap:26px}
.topbar span:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--sage);margin-right:8px;vertical-align:middle}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,254,250,.95);backdrop-filter:blur(12px);border-bottom:1px solid transparent}
.site-header.scrolled{box-shadow:0 5px 18px rgba(32,37,35,.06);border-color:var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:flex;align-items:center;gap:11px;min-width:220px}
.brand-mark{width:34px;height:38px;border:2px solid var(--green);border-radius:9px;display:grid;place-items:center;color:var(--green);font-weight:800;font-size:21px;line-height:1}
.brand-copy strong{display:block;font-size:16px;letter-spacing:.02em;line-height:1.2}
.brand-copy small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.nav{display:flex;align-items:center;gap:23px}
.nav a{font-size:14px;color:#4d5550;padding:27px 0 23px;border-bottom:3px solid transparent;transition:.2s}
.nav a:hover,.nav a.active{color:var(--green);border-bottom-color:var(--green)}
.nav-actions{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 18px;font-weight:650;font-size:14px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(56,114,96,.25);outline-offset:3px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);box-shadow:0 8px 18px rgba(56,114,96,.2)}
.btn-outline{border-color:#b9c5bc;background:transparent;color:var(--ink)}
.btn-outline:hover{border-color:var(--green);color:var(--green);background:#f4f8f4}
.menu-toggle{display:none;border:0;background:none;font-size:24px;color:var(--ink)}
main{overflow:hidden}
.section{padding:88px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{margin:7px 0 0;font-size:32px;line-height:1.3;letter-spacing:-.03em}
.eyebrow{display:flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
.text-link{color:var(--green);font-weight:700;font-size:14px;white-space:nowrap}
.text-link:after{content:" →";transition:.2s}
.text-link:hover:after{margin-left:5px}
.tag{display:inline-flex;align-items:center;width:max-content;background:var(--sage-light);color:var(--green);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700}
.tag.terra{background:#f4dfd5;color:#9b4d2e}
.page-title{background:var(--paper);border-bottom:1px solid var(--line);position:relative;overflow:hidden;padding:55px 0 58px}
.page-title:after{content:"02";position:absolute;right:6%;top:-58px;color:rgba(56,114,96,.055);font-size:235px;font-weight:800;letter-spacing:-.12em;pointer-events:none}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:20px;position:relative}
.breadcrumb span{color:#a3aaa5}
.breadcrumb strong{font-weight:600;color:var(--text)}
.page-title-content{position:relative;max-width:790px}
.page-title h1{font-size:46px;line-height:1.2;letter-spacing:-.045em;margin:14px 0 15px;color:var(--ink)}
.page-title p{max-width:730px;margin:0;color:var(--muted);font-size:17px;line-height:1.8}
.title-meta{display:flex;align-items:center;gap:14px;margin-top:21px;color:var(--muted);font-size:13px}
.title-meta i{width:4px;height:4px;border-radius:50%;background:var(--sage);display:block}
.focus-card{display:grid;grid-template-columns:1.06fr .94fr;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.focus-copy{padding:48px}
.focus-copy h2{font-size:31px;line-height:1.35;letter-spacing:-.035em;margin:17px 0 15px}
.focus-copy p{margin:0 0 25px;color:var(--muted)}
.focus-date{display:block;color:var(--muted);font-size:13px;margin-bottom:22px}
.focus-visual{min-height:335px;padding:30px;background:#dce8df;position:relative;overflow:hidden}
.focus-visual:before{content:"";position:absolute;width:330px;height:330px;border-radius:50%;border:1px solid rgba(56,114,96,.24);right:-86px;top:-88px}
.focus-visual:after{content:"";position:absolute;width:148px;height:190px;border:2px solid rgba(56,114,96,.35);border-radius:21px;left:50%;top:55px;transform:translateX(-50%) rotate(8deg)}
.visual-pane{position:absolute;z-index:1;background:var(--paper);border:1px solid rgba(56,114,96,.18);border-radius:14px;box-shadow:0 16px 28px rgba(32,37,35,.1)}
.visual-pane.one{width:176px;height:220px;left:23%;top:56px;padding:18px}
.visual-pane.two{width:133px;height:158px;right:13%;bottom:32px;padding:14px}
.visual-line{height:8px;border-radius:6px;background:#dfe9e1;margin:11px 0}
.visual-line.dark{background:var(--green);width:62%}
.visual-dot{width:30px;height:30px;background:var(--sage);border-radius:9px;margin-bottom:21px}
.filter-panel{background:var(--ink);border-radius:var(--radius);padding:29px 32px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px}
.filter-panel h2{font-size:20px;margin:0 0 5px}
.filter-panel p{margin:0;color:#bfcac3;font-size:14px}
.filter-tags{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}
.filter-tags button{border:1px solid rgba(191,209,197,.38);background:transparent;color:#e7eee9;border-radius:999px;padding:8px 14px;font-size:13px;transition:.2s}
.filter-tags button:hover,.filter-tags button.active{background:var(--sage);border-color:var(--sage);color:var(--ink)}
.update-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:19px}
.update-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:155px 1fr;min-height:218px;transition:.25s}
.update-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow)}
.card-art{background:#e6eee8;position:relative;min-height:100%}
.card-art:before{content:"";position:absolute;border:1px solid rgba(56,114,96,.3);width:76px;height:112px;border-radius:12px;top:28px;left:39px;transform:rotate(-9deg)}
.card-art:after{content:"";position:absolute;width:49px;height:8px;border-radius:8px;background:var(--green);left:55px;top:67px;box-shadow:0 19px 0 #b8cebe,0 38px 0 #b8cebe}
.update-card:nth-child(2) .card-art{background:#f0e2da}
.update-card:nth-child(2) .card-art:after{background:var(--terra);box-shadow:0 19px 0 #dfbba9,0 38px 0 #dfbba9}
.update-card:nth-child(3) .card-art{background:#e9ebe5}
.update-card:nth-child(4) .card-art{background:#dce8df}
.update-card:nth-child(5) .card-art{background:#eee9de}
.update-card:nth-child(6) .card-art{background:#e5ece7}
.card-content{padding:21px 20px 18px;display:flex;flex-direction:column;align-items:flex-start}
.card-content h3{font-size:18px;line-height:1.4;margin:12px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-content p{font-size:13px;line-height:1.65;color:var(--muted);margin:0 0 11px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;margin-top:auto;color:var(--muted);font-size:12px}
.list-footer{text-align:center;margin-top:29px}
.direction-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr)}
.direction-item{padding:27px 28px;border-right:1px solid var(--line);display:flex;gap:16px;align-items:flex-start}
.direction-item:last-child{border-right:0}
.direction-num{font-size:13px;font-weight:800;color:var(--terra);letter-spacing:.08em}
.direction-item h3{font-size:17px;margin:0 0 4px}
.direction-item p{font-size:13px;color:var(--muted);margin:0}
.operation-card{border-radius:var(--radius);background:#e0ebe2;padding:39px 45px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;position:relative;overflow:hidden}
.operation-card:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(56,114,96,.22);border-radius:50%;right:22%;top:-128px}
.operation-card h2{font-size:28px;margin:8px 0 8px;position:relative}
.operation-card p{max-width:650px;color:var(--muted);margin:0;position:relative}
.operation-card .btn{position:relative}
.faq-wrap{max-width:890px;margin:auto}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-bottom:11px;overflow:hidden;transition:.2s}
.faq-item[open]{border-color:#a9c4b0;box-shadow:0 8px 20px rgba(32,37,35,.05)}
.faq-item summary{list-style:none;padding:19px 21px;font-size:16px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";color:var(--green);font-size:22px;font-weight:400}
.faq-item[open] summary:after{content:"−"}
.faq-answer{border-top:1px solid var(--line);padding:16px 21px 20px;color:var(--muted);font-size:14px}
.support-section{padding-top:0}
.support-box{background:var(--ink);color:#fff;border-radius:var(--radius);padding:43px 47px;display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;box-shadow:var(--shadow-lg)}
.support-box h2{font-size:30px;line-height:1.35;margin:10px 0 13px}
.support-box p{color:#c5d0c8;margin:0 0 23px}
.service-list{list-style:none;padding:0;margin:0}
.service-list li{padding:9px 0;border-bottom:1px solid rgba(191,209,197,.16);font-size:14px;color:#d6dfd9}
.service-list b{color:#fff;margin-right:13px}
.support-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.support-form .full{grid-column:1/-1}
.form-label{display:block;font-size:13px;color:#d4ddd7;margin-bottom:6px}
.form-control{width:100%;border:1px solid rgba(191,209,197,.35);border-radius:9px;background:rgba(255,255,255,.07);color:#fff;padding:11px 13px;outline:0;transition:.2s}
.form-control::placeholder{color:#aab8af}
.form-control:focus{border-color:var(--sage);background:rgba(255,255,255,.11)}
textarea.form-control{resize:vertical;min-height:90px}
.privacy{font-size:12px;color:#aebbb3;margin:2px 0 0}
.footer{background:var(--ink);color:#fff;padding:64px 0 20px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px}
.footer .brand{color:#fff}
.footer .brand-copy small{color:#b6c2ba}
.footer-desc{color:#bac5bd;max-width:255px;font-size:14px;margin:19px 0 0}
.footer h3{font-size:14px;color:#dce7df;margin:2px 0 15px}
.footer-links{display:grid;gap:9px}
.footer-links a{color:#aebbb3;font-size:14px;transition:.2s}
.footer-links a:hover{color:#fff;padding-left:3px}
.footer-bottom{border-top:1px solid rgba(191,209,197,.17);margin-top:44px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#9fada4;font-size:12px}
@media(max-width:1100px){.nav{gap:15px}.nav a{font-size:13px}.update-card{grid-template-columns:130px 1fr}.focus-copy{padding:38px}.support-box{gap:34px}}
@media(max-width:850px){.nav{display:none}.menu-toggle{display:block}.nav-actions .btn{display:none}.site-header.menu-open .nav{display:flex;position:absolute;top:76px;left:0;right:0;background:var(--paper);padding:12px 24px 22px;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.site-header.menu-open .nav a{padding:12px 0;border-bottom:1px solid var(--line)}.page-title h1{font-size:39px}.focus-card,.support-box{grid-template-columns:1fr}.focus-visual{min-height:280px}.update-grid{grid-template-columns:1fr}.direction-bar{grid-template-columns:1fr}.direction-item{border-right:0;border-bottom:1px solid var(--line)}.direction-item:last-child{border-bottom:0}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:620px){.container{width:min(100% - 32px,var(--max))}.topbar .container{justify-content:center;font-size:12px}.topbar span:nth-child(2){display:none}.nav-wrap{height:67px}.brand{min-width:0}.site-header.menu-open .nav{top:67px;padding-left:16px;padding-right:16px}.page-title{padding:39px 0 42px}.page-title h1{font-size:33px}.page-title p{font-size:15px}.section{padding:61px 0}.section-head{align-items:flex-start;flex-direction:column;margin-bottom:25px}.section-head h2{font-size:27px}.focus-copy{padding:30px}.focus-copy h2{font-size:26px}.focus-visual{min-height:245px}.visual-pane.one{left:15%;width:162px;height:200px}.visual-pane.two{right:8%;width:120px;height:143px}.filter-panel{padding:25px;align-items:flex-start;flex-direction:column}.filter-tags{justify-content:flex-start}.update-card{grid-template-columns:112px 1fr;min-height:192px}.card-art:before{left:25px}.card-art:after{left:41px}.card-content{padding:17px}.operation-card{padding:31px 25px;grid-template-columns:1fr}.operation-card h2{font-size:25px}.operation-card .btn{width:100%}.support-box{padding:31px 24px}.support-box h2{font-size:26px}.support-form{grid-template-columns:1fr}.footer{margin-top:62px;padding-top:48px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:6px}.title-meta{flex-wrap:wrap}}
@media(max-width:420px){.topbar span{font-size:11px}.brand-copy small{font-size:10px}.page-title h1{font-size:30px}.focus-copy{padding:25px}.update-card{grid-template-columns:1fr}.card-art{min-height:115px}.card-art:before{top:13px;left:50%;transform:translateX(-50%) rotate(-9deg)}.card-art:after{top:49px;left:calc(50% - 23px)}.filter-tags button{font-size:12px;padding:7px 11px}.footer-grid{grid-template-columns:1fr}}

/* roulang page: category4 */
:root{--ink:#202523;--text:#2b302e;--muted:#68706b;--paper:#fffefa;--wash:#f5f3ee;--green:#387260;--green-dark:#285747;--sage:#bfd1c5;--sage-light:#e6eee8;--terra:#c56d47;--line:#dce3dc;--radius:16px;--radius-sm:10px;--shadow:0 12px 32px rgba(32,37,35,.08);--shadow-lg:0 20px 48px rgba(32,37,35,.13);--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--wash);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.topbar{background:var(--ink);color:#dbe4de;font-size:13px}
.topbar .container{height:36px;display:flex;align-items:center;gap:26px}
.topbar span:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--sage);margin-right:8px;vertical-align:middle}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,254,250,.95);backdrop-filter:blur(12px);border-bottom:1px solid transparent}
.site-header.scrolled{box-shadow:0 5px 18px rgba(32,37,35,.06);border-color:var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:flex;align-items:center;gap:11px;min-width:220px}
.brand-mark{width:34px;height:38px;border:2px solid var(--green);border-radius:9px;display:grid;place-items:center;color:var(--green);font-weight:800;font-size:21px;line-height:1}
.brand-copy strong{display:block;font-size:16px;letter-spacing:.02em;line-height:1.2}
.brand-copy small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.nav{display:flex;align-items:center;gap:23px}
.nav a{font-size:14px;color:#4d5550;padding:27px 0 23px;border-bottom:3px solid transparent;transition:.2s}
.nav a:hover,.nav a.active{color:var(--green);border-bottom-color:var(--green)}
.nav-actions{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 18px;font-weight:650;font-size:14px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(56,114,96,.25);outline-offset:3px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);box-shadow:0 8px 18px rgba(56,114,96,.2)}
.btn-outline{border-color:#b9c5bc;background:transparent;color:var(--ink)}
.btn-outline:hover{border-color:var(--green);color:var(--green);background:#f4f8f4}
.menu-toggle{display:none;border:0;background:none;font-size:24px;color:var(--ink)}
main{overflow:hidden}
.section{padding:88px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{margin:6px 0 0;font-size:32px;line-height:1.28;color:var(--ink)}
.eyebrow{display:flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
.text-link{color:var(--green);font-weight:700;font-size:14px;white-space:nowrap}
.text-link:after{content:" →";transition:.2s}
.text-link:hover:after{margin-left:5px}
.tag{display:inline-flex;align-items:center;width:max-content;background:var(--sage-light);color:var(--green);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700}
.tag.terra{background:#f4dfd5;color:#9b4d2e}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;padding:0;list-style:none;font-size:13px;color:var(--muted)}
.breadcrumb li+li:before{content:"/";margin-right:8px;color:#a3aba5}
.breadcrumb a:hover{color:var(--green)}
.page-banner{padding:56px 0 52px;background:var(--paper);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-banner:after{content:"04";position:absolute;right:5%;top:-64px;font-size:230px;line-height:1;font-weight:800;color:rgba(56,114,96,.055);pointer-events:none}
.page-banner-inner{max-width:800px;position:relative;z-index:1}
.page-banner h1{font-size:48px;line-height:1.18;letter-spacing:-.035em;color:var(--ink);margin:14px 0 16px}
.page-banner p{max-width:710px;margin:0;color:var(--muted);font-size:17px;line-height:1.85}
.page-meta{display:flex;align-items:center;gap:18px;margin-top:23px;color:var(--muted);font-size:13px}
.page-meta strong{color:var(--green)}
.focus-card{display:grid;grid-template-columns:1.1fr .9fr;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.focus-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow-lg)}
.focus-copy{padding:45px 48px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.focus-copy h2{font-size:31px;line-height:1.35;margin:16px 0 15px;color:var(--ink)}
.focus-copy p{margin:0 0 24px;color:var(--muted);font-size:15px}
.article-date{font-size:13px;color:var(--muted);margin-bottom:23px}
.focus-visual{min-height:330px;background:#e4ede6;position:relative;overflow:hidden}
.focus-visual:before{content:"";position:absolute;width:270px;height:270px;border-radius:50%;border:1px solid rgba(56,114,96,.27);top:30px;right:42px}
.focus-visual:after{content:"";position:absolute;width:190px;height:260px;border-radius:18px;background:var(--paper);border:1px solid #c7d9cc;box-shadow:0 18px 30px rgba(32,37,35,.1);bottom:-53px;left:78px}
.guide-lines{position:absolute;z-index:1;left:106px;top:76px;width:134px}
.guide-lines i{display:block;height:10px;border-radius:10px;background:#c2d8c8;margin:16px 0}
.guide-lines i:nth-child(1){width:58%;background:var(--green)}
.guide-lines i:nth-child(3){width:76%}
.guide-lines i:nth-child(4){width:48%;background:#dce8de}
.filter-strip{background:var(--ink);padding:28px 32px;border-radius:var(--radius);display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.filter-strip strong{color:#fff;font-size:15px;margin-right:6px}
.filter-tags{display:flex;gap:10px;flex-wrap:wrap}
.filter-tag{border:1px solid rgba(191,209,197,.35);color:#dce9df;background:transparent;border-radius:999px;padding:7px 13px;font-size:13px;transition:.2s}
.filter-tag:hover,.filter-tag.active{background:var(--sage);border-color:var(--sage);color:var(--ink)}
.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.content-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;min-height:245px}
.content-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow)}
.card-visual{width:37%;min-height:100%;background:#e7eee8;position:relative;flex:none}
.card-visual:before{content:"";position:absolute;border:1px solid rgba(56,114,96,.28);width:90px;height:90px;border-radius:50%;left:50%;top:45px;transform:translateX(-50%)}
.card-visual:after{content:"";position:absolute;width:48px;height:7px;border-radius:10px;background:var(--green);left:50%;top:87px;transform:translateX(-50%);box-shadow:0 18px 0 #aec8b4,0 36px 0 #d0dfd3}
.card-visual.tone-b{background:#f1e8df}
.card-visual.tone-b:before{border-radius:14px;border-color:rgba(197,109,71,.4)}
.card-visual.tone-b:after{background:var(--terra);box-shadow:0 18px 0 #e4b8a4,0 36px 0 #efd5c9}
.card-visual.tone-c{background:#edf1eb}
.card-body{padding:23px 22px;display:flex;flex-direction:column;align-items:flex-start}
.card-body h3{font-size:18px;line-height:1.45;color:var(--ink);margin:13px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{color:var(--muted);font-size:13px;line-height:1.7;margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;width:100%;display:flex;align-items:center;justify-content:space-between;gap:9px;color:var(--muted);font-size:12px}
.card-foot a{color:var(--green);font-weight:700}
.empty-list{grid-column:1/-1;border:1px dashed #b8c7bb;background:var(--paper);border-radius:var(--radius);padding:44px 25px;text-align:center;color:var(--muted)}
.more-row{padding-top:28px;text-align:center}
.direction-band{background:var(--sage-light);border-top:1px solid #d4e1d7;border-bottom:1px solid #d4e1d7}
.direction-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.direction-item{padding:28px 30px;border-right:1px solid #cad9ce}
.direction-item:last-child{border-right:0}
.direction-num{display:block;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:13px}
.direction-item h3{font-size:19px;color:var(--ink);margin:0 0 7px}
.direction-item p{font-size:14px;color:var(--muted);margin:0}
.support-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:41px 44px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;box-shadow:var(--shadow)}
.support-card h2{font-size:29px;line-height:1.3;margin:8px 0 8px;color:var(--ink)}
.support-card p{margin:0;color:var(--muted);max-width:660px}
.support-icon{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:var(--sage-light);color:var(--green);font-size:37px;font-weight:700}
.faq-wrap{max-width:900px;margin:auto}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s}
.faq-item[open]{border-color:#a8c3af}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 23px;font-size:16px;font-weight:700;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:18px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";font-size:24px;line-height:1;color:var(--green);font-weight:400}
.faq-item[open] summary:after{content:"−"}
.faq-answer{border-top:1px solid var(--line);padding:17px 23px 21px;color:var(--muted);font-size:15px}
.feedback{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.feedback:before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(191,209,197,.22);border-radius:50%;right:-145px;top:-155px}
.feedback-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:75px;position:relative}
.feedback h2{font-size:34px;line-height:1.3;margin:10px 0 13px}
.feedback p{color:#bdc8c0;max-width:410px}
.service-info{margin-top:29px;border-top:1px solid rgba(191,209,197,.25)}
.service-info div{padding:13px 0;border-bottom:1px solid rgba(191,209,197,.18);display:flex;justify-content:space-between;gap:15px;font-size:14px}
.service-info span{color:#b8c5bd}
.form-panel{background:#fffefa;color:var(--text);padding:28px;border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.field input,.field textarea{width:100%;border:1px solid #cfd9d1;border-radius:9px;background:#fff;padding:11px 12px;color:var(--text);outline:0;transition:.2s}
.field textarea{height:95px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(56,114,96,.12)}
.form-note{display:block;color:var(--muted);font-size:12px;margin-top:11px}
.footer{background:var(--ink);color:#e5ebe6;padding:62px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px}
.footer .brand{color:#fff}
.footer .brand-copy small{color:#b6c2ba}
.footer-desc{font-size:14px;color:#aebbb3;max-width:280px;margin:17px 0 0}
.footer h3{font-size:14px;margin:4px 0 16px;color:#dfe7e1}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:13px;color:#aebbb3;transition:.2s}
.footer-links a:hover{color:#fff;padding-left:3px}
.footer-bottom{border-top:1px solid rgba(191,209,197,.18);margin-top:46px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#93a198;font-size:12px}
@media(max-width:1024px){
.nav{gap:15px}.nav a{font-size:13px}.brand{min-width:185px}.section{padding:72px 0}.focus-copy{padding:36px}.feedback-grid{gap:40px}.content-card{min-height:230px}
}
@media(max-width:768px){
.container{width:min(var(--max),calc(100% - 32px))}.topbar .container{justify-content:center;gap:14px;overflow:hidden;white-space:nowrap}.topbar span:last-child{display:none}.nav-wrap{height:68px}.menu-toggle{display:block}.nav-actions .btn{display:none}.nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 16px 20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:11px 5px;border-bottom:1px solid #edf0ec}.nav a.active{border-bottom-color:var(--green)}.page-banner{padding:42px 0}.page-banner h1{font-size:36px}.page-banner p{font-size:16px}.section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-head h2{font-size:28px}.focus-card{grid-template-columns:1fr}.focus-copy{padding:31px 27px}.focus-copy h2{font-size:26px}.focus-visual{min-height:220px;order:-1}.guide-lines{left:70px;top:33px}.content-grid{grid-template-columns:1fr}.direction-grid{grid-template-columns:1fr}.direction-item{border-right:0;border-bottom:1px solid #cad9ce;padding:24px}.direction-item:last-child{border-bottom:0}.support-card{padding:30px;grid-template-columns:1fr}.support-icon{display:none}.feedback-grid{grid-template-columns:1fr;gap:30px}.footer-grid{grid-template-columns:1fr 1fr;gap:34px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:5px}
}
@media(max-width:520px){
.brand{min-width:auto}.brand-copy strong{font-size:15px}.page-banner h1{font-size:31px}.page-meta{align-items:flex-start;flex-direction:column;gap:5px}.content-card{min-height:212px}.card-visual{width:31%}.card-body{padding:18px}.filter-strip{padding:23px 20px;display:block}.filter-strip strong{display:block;margin-bottom:13px}.support-card h2,.feedback h2{font-size:27px}.form-row{grid-template-columns:1fr}.form-panel{padding:22px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.btn{width:100%}.focus-copy .btn{width:auto}.faq-item summary{padding:17px}.faq-answer{padding:15px 17px 18px}
}

/* roulang page: category3 */
:root{--ink:#202523;--text:#2b302e;--muted:#68706b;--paper:#fffefa;--wash:#f5f3ee;--green:#387260;--green-dark:#285747;--sage:#bfd1c5;--sage-light:#e6eee8;--terra:#c56d47;--line:#dce3dc;--radius:16px;--radius-sm:10px;--shadow:0 12px 32px rgba(32,37,35,.08);--shadow-lg:0 20px 48px rgba(32,37,35,.13);--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--wash);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}
a{color:inherit;text-decoration:none}
a:hover{color:var(--green)}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.topbar{background:var(--ink);color:#dbe4de;font-size:13px}
.topbar .container{height:36px;display:flex;align-items:center;gap:26px}
.topbar span:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--sage);margin-right:8px;vertical-align:middle}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,254,250,.96);backdrop-filter:blur(12px);border-bottom:1px solid transparent}
.site-header.scrolled{box-shadow:0 5px 18px rgba(32,37,35,.06);border-color:var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:flex;align-items:center;gap:11px;min-width:220px}
.brand-mark{width:34px;height:38px;border:2px solid var(--green);border-radius:9px;display:grid;place-items:center;color:var(--green);font-weight:800;font-size:21px;line-height:1}
.brand-copy strong{display:block;font-size:16px;letter-spacing:.02em;line-height:1.2}
.brand-copy small{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.nav{display:flex;align-items:center;gap:23px}
.nav a{font-size:14px;color:#4d5550;padding:27px 0 23px;border-bottom:3px solid transparent;transition:.2s}
.nav a:hover,.nav a.active{color:var(--green);border-bottom-color:var(--green)}
.nav-actions{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 18px;font-weight:650;font-size:14px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(56,114,96,.25);outline-offset:3px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark);box-shadow:0 8px 18px rgba(56,114,96,.2);color:#fff}
.btn-outline{border-color:#b9c5bc;background:transparent;color:var(--ink)}
.btn-outline:hover{border-color:var(--green);color:var(--green);background:#f4f8f4}
.menu-toggle{display:none;border:0;background:none;font-size:24px;color:var(--ink)}
main{overflow:hidden}
.section{padding:88px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
.eyebrow{display:flex;align-items:center;gap:8px;color:var(--green);font-size:13px;font-weight:700;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--green)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,4.5vw,50px);line-height:1.18;letter-spacing:-.04em;margin:16px 0}
h2{font-size:32px;line-height:1.25;letter-spacing:-.03em;margin-bottom:10px}
h3{font-size:20px;line-height:1.35}
.lead{color:var(--muted);font-size:17px;max-width:700px}
.text-link{color:var(--green);font-weight:700;font-size:14px;white-space:nowrap}
.text-link:after{content:" →";transition:.2s}
.text-link:hover:after{margin-left:5px}
.tag{display:inline-flex;align-items:center;width:max-content;background:var(--sage-light);color:var(--green);border-radius:999px;padding:4px 11px;font-size:12px;font-weight:700}
.tag.terra{background:#f4dfd5;color:#9b4d2e}
.page-heading{background:var(--paper);padding:48px 0 52px;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
.breadcrumb a{color:var(--green)}
.heading-meta{display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:13px}
.focus-card{display:grid;grid-template-columns:1.05fr .95fr;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.focus-copy{padding:42px}
.focus-copy h2{font-size:29px;margin:18px 0 13px}
.focus-copy p{color:var(--muted);max-width:560px}
.cover-art{min-height:300px;background:#dfeae1;position:relative;overflow:hidden}
.cover-art:before{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(56,114,96,.25);border-radius:50%;right:10%;top:12%}
.cover-art:after{content:"1";position:absolute;right:15%;bottom:-46px;font-size:260px;font-weight:800;color:rgba(56,114,96,.12)}
.app-panel{position:absolute;z-index:2;left:18%;top:42px;width:170px;height:220px;background:#fffefa;border:7px solid #26312c;border-radius:25px;box-shadow:var(--shadow-lg);padding:17px 12px}
.app-panel b{display:block;font-size:13px;margin-bottom:18px}
.app-panel i{display:block;height:9px;border-radius:5px;background:#d5e2d8;margin:12px 0}
.app-panel span{display:block;height:52px;border-radius:10px;background:#e7f0e8}
.filter-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}
.filters{display:flex;gap:9px;flex-wrap:wrap}
.filter{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:8px 14px;color:var(--muted);font-size:13px;transition:.2s}
.filter:hover,.filter.active{border-color:var(--green);background:var(--sage-light);color:var(--green)}
.content-layout{display:grid;grid-template-columns:1fr 280px;gap:22px;align-items:start}
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.article-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:.25s}
.article-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow)}
.article-thumb{height:142px;background:linear-gradient(135deg,#dce8df,#f1e9dc);position:relative}
.article-thumb:after{content:"";position:absolute;width:80px;height:80px;border:1px solid rgba(56,114,96,.25);border-radius:50%;right:16%;top:24%}
.article-body{padding:20px}
.article-body h3{margin:12px 0 8px;font-size:18px}
.article-body p{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.article-foot{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
.side-card{background:var(--ink);color:#fff;border-radius:var(--radius);padding:25px;position:sticky;top:130px}
.side-card h3{font-size:20px;margin:14px 0 10px}
.side-card p{color:#c7d0ca;font-size:14px}
.side-list{list-style:none;padding:0;margin:20px 0 0}
.side-list li{border-top:1px solid rgba(191,209,197,.2);padding:13px 0;color:#dce4de;font-size:14px}
.topic-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#cad8ce;border:1px solid #cad8ce;border-radius:var(--radius);overflow:hidden}
.topic-item{background:#f7faf7;padding:25px}
.topic-item b{display:block;color:var(--green);font-size:13px;margin-bottom:10px}
.topic-item strong{display:block;font-size:18px;margin-bottom:5px}
.topic-item span{font-size:13px;color:var(--muted)}
.download-card{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:34px;background:var(--sage-light);border-radius:var(--radius);border:1px solid #cbdacf}
.download-card h2{font-size:27px}
.download-card p{color:var(--muted)}
.download-actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}
.download-note{font-size:13px;color:var(--muted)}
.qr-box{height:150px;width:150px;border:1px dashed #8eaa98;border-radius:12px;background:rgba(255,254,250,.65);display:grid;place-items:center;color:var(--green);font-size:13px;text-align:center}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:var(--paper)}
.faq-item summary{padding:20px 22px;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";color:var(--green);font-size:22px;font-weight:400}
.faq-item[open] summary:after{content:"−"}
.faq-item p{padding:0 22px 20px;color:var(--muted);font-size:15px;margin:0;max-width:850px}
.support{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:grid;grid-template-columns:.8fr 1.2fr;gap:35px}
.support h2{font-size:27px}
.support-copy p{color:var(--muted);font-size:14px}
.support-info{display:grid;gap:10px;margin-top:22px;color:var(--muted);font-size:14px}
.support-info b{color:var(--text);margin-right:7px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-field{display:grid;gap:7px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:700}
.form-field input,.form-field textarea{border:1px solid var(--line);border-radius:9px;background:#fbfcf9;padding:11px 13px;color:var(--text)}
.form-field textarea{min-height:108px;resize:vertical}
.form-field input:focus,.form-field textarea:focus{border-color:var(--green);outline:0;box-shadow:0 0 0 3px rgba(56,114,96,.1)}
.form-submit{margin-top:15px}
.privacy{font-size:12px;color:var(--muted);margin:12px 0 0}
.empty-state{grid-column:1/-1;text-align:center;background:var(--paper);border:1px dashed #b9cabe;border-radius:var(--radius);padding:52px 20px;color:var(--muted)}
.empty-state strong{display:block;color:var(--text);font-size:18px;margin-bottom:6px}
.footer{background:var(--ink);color:#e3ebe5;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}
.footer .brand-copy strong{color:#fff}
.footer .brand-copy small{color:#b8c9bd}
.footer-desc{color:#aebbb3;font-size:14px;max-width:260px;margin-top:18px}
.footer h3{font-size:15px;color:#fff;margin:5px 0 15px}
.footer-links{display:grid;gap:8px}
.footer-links a{font-size:13px;color:#aebbb3;transition:.2s}
.footer-links a:hover{color:#dce9df;padding-left:3px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(191,209,197,.18);padding-top:20px;margin-top:40px;color:#8f9d95;font-size:12px}
@media(max-width:1024px){.nav{gap:14px}.nav a{font-size:13px}.content-layout{grid-template-columns:1fr 240px}.section{padding:72px 0}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.topbar .container{height:34px;gap:14px;font-size:11px}.topbar span:last-child{display:none}.nav{display:none;position:absolute;left:16px;right:16px;top:70px;background:var(--paper);padding:12px 20px;box-shadow:var(--shadow);border:1px solid var(--line);border-radius:12px;flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:12px 0;border-bottom:1px solid var(--line)}.nav a:last-child{border-bottom:0}.menu-toggle{display:block}.nav-actions .btn{display:none}.nav-wrap{height:70px}.brand{min-width:0}.page-heading{padding:36px 0 40px}.focus-card,.download-card,.support{grid-template-columns:1fr}.cover-art{min-height:245px}.content-layout{grid-template-columns:1fr}.side-card{position:static}.article-grid{grid-template-columns:1fr}.topic-strip{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column;gap:5px}.section{padding:62px 0}}
@media(max-width:520px){h1{font-size:34px}h2{font-size:27px}.section-head,.filter-bar{display:block}.section-head .text-link{display:inline-block;margin-top:13px}.focus-copy{padding:26px}.focus-copy h2{font-size:24px}.article-grid{gap:14px}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}.download-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr}.footer-bottom{font-size:11px}.qr-box{width:130px;height:130px}}