/* roulang page: index */
:root{--ink:#12201c;--ink2:#1b3029;--green:#22a97a;--green-dark:#157c59;--sand:#e8ded0;--paper:#faf8f3;--white:#fffdf8;--text:#20332c;--muted:#64736d;--line:#d9d8cf;--coral:#ef7e61;--radius:18px;--shadow:0 14px 38px rgba(18,32,28,.09);--shadow-sm:0 7px 18px rgba(18,32,28,.07);--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}button,a{outline:none}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.topline{background:var(--ink);color:#dce7df;font-size:13px}.topline .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}.top-links{display:flex;gap:18px}.top-links a{color:#dce7df;transition:.2s}.top-links a:hover{color:#79ddb7}.site-header{position:sticky;top:0;z-index:50;background:rgba(250,248,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(18,32,28,.1)}.navbar{height:76px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--green);color:var(--ink);display:grid;place-items:center;font-weight:900;font-size:15px;box-shadow:inset 0 0 0 4px rgba(255,255,255,.28)}.nav{margin-left:auto;display:flex;align-items:center;gap:4px}.nav a{padding:10px 12px;border-radius:9px;color:#3e5049;font-size:14px;font-weight:650;position:relative;transition:.2s}.nav a:hover,.nav a.active{color:var(--ink);background:#e4f3ed}.nav a.active:after{content:"";position:absolute;height:3px;border-radius:5px;left:12px;right:12px;bottom:2px;background:var(--green)}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,32,28,.16)}.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(34,169,122,.4);outline-offset:3px}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green-dark)}.btn-outline{border-color:#9bb4aa;background:transparent;color:var(--ink)}.btn-outline:hover{background:#edf4ef}.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}.hero{position:relative;overflow:hidden;padding:76px 0 58px;background:linear-gradient(135deg,#f8f3e9 0%,#edf2e9 55%,#dfece4 100%)}.hero:before{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(34,169,122,.2);border-radius:50%;right:-210px;top:-260px;box-shadow:0 0 0 42px rgba(34,169,122,.055),0 0 0 84px rgba(34,169,122,.04)}.hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:54px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:750;letter-spacing:.3px}.eyebrow{color:var(--green-dark);padding:6px 10px;background:#dff1e9;border-radius:99px}.hero h1{font-size:clamp(36px,4.3vw,54px);line-height:1.18;letter-spacing:-2px;margin:18px 0;color:var(--ink);max-width:690px}.hero p{max-width:640px;font-size:17px;color:#4c6058;margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.device-stage{height:370px;position:relative}.device{position:absolute;background:var(--ink);border:7px solid #274239;border-radius:30px;padding:10px;box-shadow:0 24px 40px rgba(18,32,28,.22)}.device-main{width:195px;height:358px;left:50%;transform:translateX(-50%);top:0}.device-small{width:143px;height:255px;bottom:0}.device-left{left:0;transform:rotate(-9deg)}.device-right{right:0;transform:rotate(9deg)}.screen{height:100%;border-radius:19px;overflow:hidden;padding:15px;background:#edf4ec;color:var(--ink)}.screen-bar{height:8px;width:45%;background:#9bcbb8;border-radius:8px;margin:3px auto 16px}.screen-title{font-size:11px;font-weight:800;margin-bottom:10px}.screen-hero{height:92px;border-radius:12px;background:linear-gradient(145deg,#1b4538,#32ad7e);padding:12px;color:white;font-size:11px;font-weight:700}.screen-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin-top:9px}.screen-grid span{height:54px;background:#fffdf8;border-radius:9px;border:1px solid #d6e4db}.screen-list{margin-top:10px;display:grid;gap:7px}.screen-list span{height:22px;border-radius:7px;background:#fffdf8;border-left:3px solid var(--green)}.qr{position:absolute;right:-14px;top:48px;width:91px;padding:8px;background:var(--white);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);font-size:10px;text-align:center;font-weight:700}.qr-code{height:55px;margin-bottom:5px;background:repeating-linear-gradient(90deg,#183126 0 4px,#fff 4px 7px),repeating-linear-gradient(#fff 0 3px,#183126 3px 6px);background-blend-mode:multiply}.status-wrap{margin-top:-22px;position:relative;z-index:2}.statusbar{background:var(--white);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow-sm);padding:15px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.status{display:flex;gap:10px;align-items:center;padding:4px 10px}.status b{display:block;font-size:13px}.status small{display:block;color:var(--muted);font-size:12px}.status-icon{width:32px;height:32px;flex:none;border-radius:10px;background:#e4f3ed;color:var(--green-dark);display:grid;place-items:center;font-weight:900}.section{padding:88px 0}.section-sand{background:var(--sand)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-head h2{font-size:clamp(27px,3vw,37px);line-height:1.25;letter-spacing:-1px;color:var(--ink);margin:0}.section-head p{max-width:520px;margin:0;color:var(--muted)}.hall-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.hall-feature{min-height:365px;border-radius:var(--radius);padding:32px;position:relative;overflow:hidden;background:var(--ink);color:#fff}.hall-feature:before{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(133,221,182,.32);border-radius:50%;right:-100px;bottom:-180px;box-shadow:0 0 0 38px rgba(133,221,182,.06)}.hall-feature>*{position:relative}.hall-feature h3{font-size:29px;line-height:1.3;margin:16px 0 8px}.hall-feature p{color:#c4d4cd;max-width:380px}.tag{padding:4px 9px;border-radius:99px;background:#e3f3eb;color:var(--green-dark)}.tag.dark{background:rgba(120,224,180,.16);color:#a6ebcb}.hall-symbols{position:absolute;right:27px;bottom:26px;display:flex;gap:10px}.hall-symbols i{width:58px;height:58px;border-radius:50%;border:1px solid rgba(255,255,255,.25);display:grid;place-items:center;font-style:normal;color:#a9dfc3;font-size:20px}.hall-list{display:grid;gap:13px}.hall-item{background:var(--white);border:1px solid var(--line);border-radius:15px;padding:17px;display:flex;align-items:center;gap:15px;box-shadow:var(--shadow-sm);transition:.2s}.hall-item:hover{transform:translateX(4px);border-color:#9acbb5}.mini-art{width:54px;height:54px;flex:none;border-radius:14px;background:linear-gradient(135deg,#d7ecdf,#f5dec9);display:grid;place-items:center;color:var(--green-dark);font-size:22px}.hall-item b{font-size:16px}.hall-item p{font-size:13px;color:var(--muted);margin:2px 0 0}.app-showcase{display:grid;grid-template-columns:.75fr 1.25fr;gap:36px;align-items:center}.download-box{padding:28px;background:var(--ink);color:#fff;border-radius:var(--radius)}.download-box h3{font-size:27px;line-height:1.3;margin:0 0 9px}.download-box p{color:#bfd0c8;margin:0 0 18px}.download-meta{font-size:12px;color:#a5bbb1;margin-top:16px}.app-rail{display:flex;gap:15px;overflow:auto;padding:8px 3px 14px;scrollbar-width:thin}.app-card{min-width:174px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm)}.app-ui{height:202px;border-radius:12px;padding:13px;background:#eef4ee;overflow:hidden}.app-ui.green{background:linear-gradient(155deg,#204a3c,#59b98e);color:white}.app-ui.sand{background:#f2e8d8}.app-ui h4{margin:4px 0 10px;font-size:13px}.app-ui span{display:block;height:20px;border-radius:6px;background:rgba(255,255,255,.8);margin:7px 0}.app-ui.green span{background:rgba(255,255,255,.25)}.app-card p{font-size:13px;margin:10px 2px 1px;color:var(--muted)}.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.channel{min-height:128px;padding:18px;border:1px solid var(--line);background:var(--white);border-radius:15px;transition:.22s}.channel:hover{border-color:var(--green);transform:translateY(-4px);box-shadow:var(--shadow-sm)}.channel strong{display:block;color:var(--ink);margin-top:22px}.channel small{color:var(--muted);font-size:12px}.channel-icon{color:var(--green-dark);font-size:22px}.steps{display:grid;grid-template-columns:repeat(4,1fr);position:relative;gap:24px}.steps:before{content:"";position:absolute;height:1px;background:#b9cabe;left:12%;right:12%;top:27px}.step{position:relative}.step-num{position:relative;width:55px;height:55px;display:grid;place-items:center;border-radius:50%;background:var(--white);border:1px solid #aad1bd;color:var(--green-dark);font-weight:850;margin-bottom:16px}.step h3{font-size:17px;margin:0 0 5px}.step p{margin:0;color:var(--muted);font-size:14px}.news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}.news-feature{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}.news-image{height:188px;padding:22px;background:linear-gradient(135deg,#183a2f,#3e9d77);color:#d8f3e5;position:relative}.news-image:after{content:"";position:absolute;width:130px;height:130px;border:1px solid rgba(255,255,255,.32);border-radius:50%;right:25px;bottom:-52px}.news-image b{font-size:15px}.news-content{padding:21px}.news-content h3{font-size:21px;line-height:1.4;margin:9px 0}.news-content p{color:var(--muted);font-size:14px;margin:0 0 14px}.meta{font-size:12px;color:#76857f;display:flex;gap:11px;align-items:center}.read-link{font-size:14px;font-weight:750;color:var(--green-dark);display:inline-flex;gap:5px;align-items:center}.read-link:hover{text-decoration:underline}.news-list{display:grid;gap:10px}.news-row{background:var(--white);border:1px solid var(--line);border-radius:13px;padding:14px 16px;transition:.2s}.news-row:hover{border-color:#9acbb5;box-shadow:var(--shadow-sm)}.news-row h3{font-size:16px;line-height:1.45;margin:6px 0}.news-row p{font-size:13px;color:var(--muted);margin:3px 0 7px}.empty{grid-column:1/-1;text-align:center;padding:48px 20px;background:var(--white);border:1px dashed #aebcb5;border-radius:var(--radius);color:var(--muted)}.notice-panel{border-radius:var(--radius);background:var(--ink);padding:26px 30px;display:grid;grid-template-columns:.8fr 2fr;gap:28px;color:white}.notice-panel h2{font-size:27px;line-height:1.3;margin:7px 0}.notice-panel p{margin:0;color:#b8cbc2;font-size:14px}.notice-list{display:grid;gap:10px}.notice-list a{padding:11px 0;border-bottom:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:14px;font-size:14px}.notice-list a:hover{color:#8de0ba}.safety-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center}.safety-art{min-height:300px;border-radius:var(--radius);background:linear-gradient(150deg,#d3e9dc,#f4e6d4);position:relative;overflow:hidden}.shield{position:absolute;inset:0;margin:auto;width:140px;height:165px;background:var(--ink);clip-path:polygon(50% 0,94% 16%,86% 72%,50% 100%,14% 72%,6% 16%);display:grid;place-items:center;color:#80dfb5;font-size:50px}.safety-art:before,.safety-art:after{content:"";position:absolute;border:1px solid rgba(18,32,28,.15);border-radius:50%}.safety-art:before{width:300px;height:300px;left:-80px;top:-100px}.safety-art:after{width:220px;height:220px;right:-70px;bottom:-80px}.safety-copy h2{font-size:34px;line-height:1.3;margin:0 0 14px;color:var(--ink)}.safety-copy>p{color:var(--muted);margin-bottom:21px}.safety-points{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}.safety-point{background:rgba(255,253,248,.7);border:1px solid rgba(18,32,28,.1);border-radius:12px;padding:14px}.safety-point b{font-size:14px}.safety-point p{font-size:12px;margin:4px 0 0;color:var(--muted)}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.faq{background:var(--white);border:1px solid var(--line);border-radius:13px;overflow:hidden}.faq summary{cursor:pointer;list-style:none;padding:18px 48px 18px 18px;font-weight:750;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:18px;font-size:23px;line-height:1;color:var(--green-dark);font-weight:400}.faq[open] summary:after{content:"−"}.faq p{padding:0 18px 18px;margin:0;color:var(--muted);font-size:14px}.download-cta{margin:0;background:var(--ink);overflow:hidden;position:relative}.download-cta:after{content:"";position:absolute;width:430px;height:430px;border:50px solid rgba(34,169,122,.14);border-radius:50%;right:-150px;top:-190px}.download-inner{position:relative;z-index:1;padding:64px 0;display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;color:white}.download-inner h2{font-size:36px;line-height:1.25;margin:0 0 10px}.download-inner p{color:#b7cbc1;margin:0 0 22px;max-width:650px}.download-side{display:flex;gap:14px;align-items:center}.large-qr{width:91px;height:91px;padding:8px;background:white;border-radius:12px}.large-qr div{height:100%;background:repeating-linear-gradient(90deg,#183126 0 5px,#fff 5px 9px),repeating-linear-gradient(#fff 0 4px,#183126 4px 8px);background-blend-mode:multiply}.version{font-size:13px;color:#b7cbc1}.site-footer{background:#0d1915;color:#d0dfd7;padding:58px 0 0}.footer-grid{display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:30px}.footer-brand p{font-size:13px;max-width:310px;color:#93aaa0}.footer-title{color:#fff;font-size:14px;margin:3px 0 13px}.footer-links{display:grid;gap:7px}.footer-links a{font-size:13px;color:#a7bcb2}.footer-links a:hover{color:#78dcb2}.footer-bottom{margin-top:38px;padding:17px 0;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#82978d}.footer-bottom a{margin-left:15px}.mobile-panel{display:none}
@media(max-width:1024px){.nav a{padding:9px 8px;font-size:13px}.hero-grid{gap:26px}.channel-grid{grid-template-columns:repeat(4,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.topline .container{justify-content:center}.top-links{display:none}.navbar{height:67px}.nav,.navbar>.btn{display:none}.menu-btn{display:block}.mobile-panel{position:fixed;inset:0;background:var(--paper);z-index:100;padding:22px;transform:translateX(100%);transition:transform .25s}.mobile-panel.open{transform:translateX(0)}.mobile-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.close-menu{border:0;background:#e5eee8;width:42px;height:42px;border-radius:11px;font-size:24px}.mobile-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.mobile-links a{padding:17px 12px;background:var(--white);border:1px solid var(--line);border-radius:12px;font-weight:750}.mobile-panel .btn{position:absolute;left:22px;right:22px;bottom:25px}.hero{padding:53px 0 42px}.hero-grid,.app-showcase,.safety-grid,.news-layout{grid-template-columns:1fr}.hero h1{letter-spacing:-1.4px}.device-stage{height:314px;max-width:410px;margin:auto;width:100%}.device-main{height:310px;width:169px}.device-small{height:210px;width:118px}.qr{right:0;top:17px}.statusbar{grid-template-columns:repeat(2,1fr)}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:11px}.hall-layout{grid-template-columns:1fr}.channel-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr 1fr}.steps:before{display:none}.notice-panel{grid-template-columns:1fr}.faq-grid{grid-template-columns:1fr}.download-inner{grid-template-columns:1fr}.footer-grid{gap:25px}.footer-bottom{display:block}.footer-bottom div{margin-top:8px}.footer-bottom a{margin:0 14px 0 0}}
@media(max-width:520px){body{font-size:15px}.brand{font-size:16px}.hero p{font-size:15px}.hero-actions .btn{width:100%}.statusbar{grid-template-columns:1fr}.status{padding:3px}.channel-grid{grid-template-columns:1fr 1fr;gap:10px}.channel{min-height:112px;padding:14px}.steps{grid-template-columns:1fr}.step{display:grid;grid-template-columns:55px 1fr;column-gap:14px}.step-num{grid-row:span 2}.step h3{margin-top:5px}.hall-feature{min-height:310px;padding:24px}.hall-feature h3{font-size:24px}.safety-points{grid-template-columns:1fr}.download-inner h2{font-size:29px}.download-side{align-items:flex-start}.footer-grid{grid-template-columns:1fr}.device-left{left:5px}.device-right{right:5px}}

/* roulang page: article */
:root{--ink:#12201c;--ink2:#1b3029;--green:#22a97a;--green-dark:#157c59;--sand:#e8ded0;--paper:#faf8f3;--white:#fffdf8;--text:#20332c;--muted:#64736d;--line:#d9d8cf;--coral:#ef7e61;--radius:18px;--shadow:0 14px 38px rgba(18,32,28,.09);--shadow-sm:0 7px 18px rgba(18,32,28,.07);--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}button,a{outline:none}.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.topline{background:var(--ink);color:#dce7df;font-size:12px}.topline .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}.topline-note{display:flex;align-items:center;gap:8px}.topline-note:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}.top-links{display:flex;align-items:center;gap:18px}.top-links a{color:#dce7df;transition:.2s}.top-links a:hover{color:#79ddb7}
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,248,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(18,32,28,.1)}.navbar{height:76px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--green);color:var(--ink);display:grid;place-items:center;font-weight:900;font-size:15px;box-shadow:inset 0 0 0 4px rgba(255,255,255,.28)}.nav{margin-left:auto;display:flex;align-items:center;gap:4px}.nav a{padding:10px 12px;border-radius:9px;color:#3e5049;font-size:14px;font-weight:650;position:relative;transition:.2s}.nav a:hover,.nav a.active{color:var(--ink);background:#e4f3ed}.nav a.active:after{content:"";position:absolute;height:3px;border-radius:5px;left:12px;right:12px;bottom:2px;background:var(--green)}
.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,32,28,.16)}.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(34,169,122,.4);outline-offset:3px}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green-dark)}.btn-outline{border-color:#9bb4aa;background:transparent;color:var(--ink)}.btn-outline:hover{background:#edf4ef}.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}
.article-hero{position:relative;overflow:hidden;padding:52px 0 48px;background:linear-gradient(135deg,#f6f1e7 0%,#e8f0e9 100%);border-bottom:1px solid rgba(18,32,28,.08)}.article-hero:before{content:"";position:absolute;right:-130px;top:-260px;width:570px;height:570px;border:1px solid rgba(34,169,122,.2);border-radius:50%;box-shadow:0 0 0 44px rgba(34,169,122,.045),0 0 0 88px rgba(34,169,122,.03)}.article-hero .container{position:relative;max-width:1020px}.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:25px}.crumbs a{color:var(--green-dark);font-weight:700}.crumbs a:hover{text-decoration:underline}.crumbs i{font-style:normal;color:#98a59f}.article-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:99px;background:#dff1e9;color:var(--green-dark);font-size:12px;font-weight:800}.tag.update{background:#f9e2db;color:#b9533c}.article-hero h1{max-width:900px;margin:18px 0 15px;color:var(--ink);font-size:clamp(33px,4.1vw,51px);line-height:1.2;letter-spacing:-1.8px;font-weight:800}.article-summary{max-width:790px;margin:0;color:#50625b;font-size:17px}.article-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:#687971;font-size:13px}.article-meta span{display:inline-flex;align-items:center;gap:7px}.article-meta span:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}
.section{padding:72px 0}.article-layout{display:grid;grid-template-columns:180px minmax(0,790px);justify-content:center;gap:44px}.toc{position:sticky;top:130px;align-self:start;padding:18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,253,248,.8);box-shadow:var(--shadow-sm)}.toc strong{display:block;margin-bottom:10px;font-size:14px;color:var(--ink)}.toc a{display:block;padding:7px 0;font-size:13px;color:var(--muted);border-bottom:1px solid #ece9df;transition:.2s}.toc a:last-child{border-bottom:0}.toc a:hover{color:var(--green-dark);padding-left:4px}
.article-content{min-width:0;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(25px,5vw,54px);box-shadow:var(--shadow-sm)}.article-content>*:first-child{margin-top:0}.article-content h2{margin:42px 0 15px;color:var(--ink);font-size:27px;line-height:1.35;font-weight:800;letter-spacing:-.7px}.article-content h3{margin:30px 0 12px;color:var(--ink2);font-size:20px;font-weight:800}.article-content p{margin:0 0 20px;color:#3d5148}.article-content ul,.article-content ol{padding-left:1.4em;margin:0 0 21px;color:#3d5148}.article-content li{margin-bottom:8px}.article-content a{color:var(--green-dark);font-weight:700;text-decoration:underline;text-decoration-color:rgba(34,169,122,.42);text-underline-offset:3px}.article-content blockquote{margin:28px 0;padding:18px 21px;border-left:4px solid var(--green);background:#edf5f0;border-radius:0 12px 12px 0;color:#385248}.article-content table{width:100%;margin:24px 0;border-collapse:collapse;font-size:14px;overflow:hidden;border:1px solid var(--line);border-radius:12px}.article-content th,.article-content td{padding:12px;border:1px solid var(--line);text-align:left}.article-content th{background:#edf3ee;color:var(--ink)}.article-content img{margin:28px auto;border-radius:14px;box-shadow:var(--shadow-sm)}.not-found{text-align:center;padding:42px 15px}.not-found h2{margin:0 0 10px}.not-found p{color:var(--muted)}
.action-wrap{padding:0 0 72px}.action-card{max-width:830px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px;padding:28px 31px;background:var(--ink);color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}.action-card:after{content:"";position:absolute;right:-55px;bottom:-75px;width:220px;height:220px;border:28px solid rgba(94,218,167,.14);border-radius:50%}.action-card>div{position:relative;z-index:1}.action-card h2{font-size:23px;margin:0 0 6px}.action-card p{margin:0;color:#bdd0c7;font-size:14px}.action-card .btn{position:relative;z-index:1;flex:none}
.notice-section{padding:0 0 72px}.safety-note{max-width:900px;margin:auto;padding:17px 20px;border:1px solid #d4dfd7;border-radius:14px;background:#edf2ec;display:flex;gap:14px;align-items:flex-start}.safety-icon{flex:none;width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#d8ebe0;color:var(--green-dark);font-weight:900}.safety-note h2{font-size:15px;margin:0 0 2px;color:var(--ink)}.safety-note p{font-size:13px;margin:0;color:#5d6e66}
.related{background:var(--sand)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.section-head h2{margin:0;color:var(--ink);font-size:31px;letter-spacing:-1px}.section-head p{margin:0;color:var(--muted);font-size:14px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related-card{display:flex;flex-direction:column;min-height:220px;padding:22px;background:var(--white);border:1px solid rgba(18,32,28,.1);border-radius:16px;box-shadow:var(--shadow-sm);transition:.22s}.related-card:hover{transform:translateY(-4px);border-color:#91c8ae;box-shadow:var(--shadow)}.related-card h3{margin:12px 0 9px;font-size:18px;line-height:1.45;color:var(--ink)}.related-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.related-card .read-link{margin-top:auto;padding-top:16px;color:var(--green-dark);font-size:14px;font-weight:800}
.feedback-section{padding:70px 0}.feedback-card{max-width:900px;margin:auto;text-align:center;padding:42px 30px;background:linear-gradient(140deg,#fffdf8,#edf4ee);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.feedback-card h2{margin:0 0 7px;font-size:28px;color:var(--ink)}.feedback-card p{margin:0;color:var(--muted)}.feedback-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:22px}.feedback-btn{min-height:42px;padding:8px 16px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--text);font-size:14px;font-weight:700;cursor:pointer;transition:.2s}.feedback-btn:hover,.feedback-btn.is-selected{background:#e1f1e9;border-color:#93c9ae;color:var(--green-dark);transform:translateY(-2px)}
.site-footer{background:var(--ink);color:#d4e0da;padding:62px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px}.footer-brand .brand{color:#fff;margin-bottom:14px}.footer-brand p{max-width:340px;margin:0;color:#aebfb6;font-size:13px;line-height:1.8}.footer-title{margin:3px 0 13px;color:#fff;font-size:15px}.footer-links{display:grid;gap:8px}.footer-links a{color:#b7c8bf;font-size:13px;transition:.2s}.footer-links a:hover{color:#7ee0b6;padding-left:3px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#99ada3}.footer-bottom div{display:flex;gap:16px;flex-wrap:wrap}.footer-bottom a:hover{color:#8de0ba}
.mobile-panel{display:none}
@media(max-width:1024px){.navbar{gap:16px}.nav a{padding:9px 8px}.article-layout{grid-template-columns:1fr;max-width:820px;margin:auto}.toc{position:static;display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 17px}.toc strong{margin:0}.toc a{border:0;padding:2px 0}.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.top-links{gap:12px}.top-links a:last-child{display:none}.navbar{height:68px}.nav,.navbar>.btn{display:none}.menu-btn{display:grid;place-items:center}.mobile-panel{display:none;position:fixed;inset:0;z-index:80;background:var(--paper);padding:20px}.mobile-panel.open{display:block}.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}.mobile-panel .nav{display:grid;margin:0;gap:8px}.mobile-panel .nav a{padding:15px 13px;font-size:17px;background:var(--white);border:1px solid var(--line)}.mobile-panel .nav a.active:after{display:none}.mobile-panel .btn{display:flex;margin-top:22px}.article-hero{padding:38px 0}.article-hero h1{letter-spacing:-1px}.article-summary{font-size:16px}.section{padding:55px 0}.article-content{padding:26px 21px}.article-content h2{font-size:24px}.action-wrap,.notice-section{padding-bottom:55px}.action-card{padding:25px;display:block}.action-card .btn{margin-top:20px}.related-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:8px}.footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div{margin-top:10px}.safety-note{padding:15px}}
@media(max-width:520px){body{font-size:15px}.topline .container{justify-content:center}.top-links{display:none}.brand{font-size:16px}.article-meta{gap:10px}.article-hero h1{font-size:31px}.article-content{border-radius:14px}.article-content h2{font-size:22px}.article-content table{font-size:12px}.article-content th,.article-content td{padding:8px}.feedback-card{padding:32px 18px}.feedback-card h2{font-size:24px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom div{gap:11px}}

/* roulang page: category1 */
:root{--ink:#12201c;--ink2:#1b3029;--green:#22a97a;--green-dark:#157c59;--sand:#e8ded0;--paper:#faf8f3;--white:#fffdf8;--text:#20332c;--muted:#64736d;--line:#d9d8cf;--coral:#ef7e61;--radius:18px;--shadow:0 14px 38px rgba(18,32,28,.09);--shadow-sm:0 7px 18px rgba(18,32,28,.07);--max:1240px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    button,a{outline:none}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .topline{background:var(--ink);color:#dce7df;font-size:12px}
    .topline .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}
    .top-links{display:flex;align-items:center;gap:17px}
    .top-links a{color:#dce7df;transition:.2s}
    .top-links a:hover{color:#79ddb7}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(250,248,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(18,32,28,.1)}
    .navbar{height:76px;display:flex;align-items:center;gap:26px}
    .brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}
    .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--green);color:var(--ink);display:grid;place-items:center;font-weight:900;font-size:15px;box-shadow:inset 0 0 0 4px rgba(255,255,255,.28)}
    .nav{margin-left:auto;display:flex;align-items:center;gap:4px}
    .nav a{padding:10px 12px;border-radius:9px;color:#3e5049;font-size:14px;font-weight:650;position:relative;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--ink);background:#e4f3ed}
    .nav a.active:after{content:"";position:absolute;height:3px;border-radius:5px;left:12px;right:12px;bottom:2px;background:var(--green)}
    .btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,32,28,.16)}
    .btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(34,169,122,.4);outline-offset:3px}
    .btn-primary{background:var(--green);color:#fff}
    .btn-primary:hover{background:var(--green-dark)}
    .btn-outline{border-color:#9bb4aa;background:transparent;color:var(--ink)}
    .btn-outline:hover{background:#edf4ef}
    .menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px;line-height:1}
    .section{padding:86px 0}
    .section-sand{background:var(--sand)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
    .section-head h2{font-size:clamp(27px,3vw,37px);line-height:1.25;letter-spacing:-1px;color:var(--ink);margin:0}
    .section-head p{max-width:540px;margin:0;color:var(--muted)}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:750;letter-spacing:.2px}
    .eyebrow{color:var(--green-dark);padding:6px 10px;background:#dff1e9;border-radius:99px}
    .tag{padding:4px 9px;border-radius:99px;background:#e3f3eb;color:var(--green-dark)}
    .tag.coral{background:#fce4dc;color:#b95139}
    .tag.dark{background:rgba(120,224,180,.16);color:#a6ebcb}
    .meta{font-size:12px;color:#76857f;display:flex;gap:11px;align-items:center;flex-wrap:wrap}
    .page-head{position:relative;overflow:hidden;padding:64px 0 58px;background:#edf2e9;border-bottom:1px solid #d9e4dc}
    .page-head:before,.page-head:after{content:"";position:absolute;border:1px solid rgba(34,169,122,.19);border-radius:50%}
    .page-head:before{width:440px;height:440px;right:-120px;top:-290px;box-shadow:0 0 0 35px rgba(34,169,122,.045),0 0 0 70px rgba(34,169,122,.03)}
    .page-head:after{width:180px;height:180px;left:6%;bottom:-135px}
    .page-head-grid{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
    .breadcrumb{display:flex;gap:9px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:16px}
    .breadcrumb span{color:#9ba8a2}
    .page-head h1{font-size:clamp(35px,4.5vw,52px);line-height:1.18;letter-spacing:-2px;color:var(--ink);margin:14px 0 16px}
    .page-head p{max-width:660px;color:#51635c;font-size:17px;margin:0}
    .update-line{margin-top:22px;display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted)}
    .update-dot{width:9px;height:9px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px rgba(239,126,97,.13)}
    .news-illustration{min-height:236px;padding:25px;border-radius:var(--radius);background:var(--ink);position:relative;overflow:hidden;box-shadow:var(--shadow)}
    .news-illustration:before{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(132,223,181,.34);border-radius:50%;right:-70px;top:-95px;box-shadow:0 0 0 29px rgba(132,223,181,.06)}
    .news-illustration:after{content:"";position:absolute;left:31px;bottom:29px;width:130px;height:88px;border:1px solid rgba(255,255,255,.22);border-radius:13px;background:linear-gradient(135deg,rgba(255,255,255,.13),transparent)}
    .illustration-content{position:relative;color:#fff}
    .illustration-content b{display:block;font-size:19px;margin-top:47px}
    .illustration-content p{color:#c9d7d0;font-size:14px;margin:5px 0 0}
    .topic-band{display:flex;gap:10px;flex-wrap:wrap;padding:18px;border:1px solid var(--line);background:var(--white);border-radius:16px;box-shadow:var(--shadow-sm)}
    .topic-band a,.topic-band span{padding:8px 13px;border-radius:99px;font-size:14px;font-weight:700;color:#52635c;background:#f2f0e9;transition:.2s}
    .topic-band a:hover,.topic-band .selected{background:#dff1e9;color:var(--green-dark)}
    .focus-card{display:grid;grid-template-columns:.94fr 1.06fr;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);overflow:hidden;box-shadow:var(--shadow)}
    .focus-visual{min-height:320px;background:linear-gradient(135deg,#18372d,#287c5d);padding:28px;position:relative;overflow:hidden}
    .focus-visual:before{content:"";position:absolute;width:290px;height:290px;border:1px solid rgba(255,255,255,.24);border-radius:50%;left:-90px;bottom:-172px;box-shadow:0 0 0 32px rgba(255,255,255,.06)}
    .focus-visual:after{content:"";position:absolute;width:130px;height:165px;right:31px;top:42px;border-radius:18px;border:1px solid rgba(255,255,255,.34);background:linear-gradient(160deg,rgba(255,255,255,.22),rgba(255,255,255,.04))}
    .visual-label{position:relative;color:#e4f5ed;font-size:13px;font-weight:800}
    .focus-content{padding:38px;display:flex;flex-direction:column;justify-content:center}
    .focus-content h2{font-size:29px;line-height:1.34;letter-spacing:-.8px;margin:12px 0;color:var(--ink)}
    .focus-content p{margin:0 0 22px;color:var(--muted)}
    .news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .news-card{min-height:184px;display:flex;flex-direction:column;padding:22px;background:var(--white);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);transition:.2s}
    .news-card:hover{transform:translateY(-4px);border-color:#9bcbb6;box-shadow:var(--shadow)}
    .news-card h3{font-size:18px;line-height:1.45;letter-spacing:-.3px;margin:10px 0 7px;color:var(--ink)}
    .news-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 13px}
    .news-card .meta{margin-top:auto}
    .list-more{margin-top:28px;text-align:center}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .timeline:before{content:"";position:absolute;top:30px;left:8%;right:8%;height:1px;background:#bfc9c2}
    .timeline-item{position:relative;padding:0 4px}
    .timeline-node{width:15px;height:15px;border-radius:50%;background:var(--green);box-shadow:0 0 0 7px var(--sand);margin:23px 0 16px;position:relative}
    .timeline-item time{font-size:12px;color:var(--green-dark);font-weight:800}
    .timeline-item h3{font-size:16px;line-height:1.5;margin:5px 0;color:var(--ink)}
    .timeline-item p{font-size:13px;color:var(--muted);margin:0}
    .recommend-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:18px}
    .recommend-main,.recommend-side{border-radius:var(--radius);overflow:hidden;position:relative}
    .recommend-main{min-height:290px;background:var(--ink);padding:34px;color:#fff}
    .recommend-main:before{content:"";position:absolute;width:290px;height:290px;right:-90px;bottom:-135px;border:1px solid rgba(139,232,188,.33);border-radius:50%;box-shadow:0 0 0 34px rgba(139,232,188,.06)}
    .recommend-main>*{position:relative}
    .recommend-main h3{font-size:28px;line-height:1.3;margin:16px 0 8px}
    .recommend-main p{max-width:520px;color:#c2d2ca;margin:0 0 20px}
    .recommend-side{display:grid;gap:18px}
    .mini-recommend{min-height:136px;padding:23px;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.2s}
    .mini-recommend:hover{transform:translateX(4px);border-color:#9bcbb6}
    .mini-recommend h3{font-size:17px;line-height:1.45;margin:9px 0 0;color:var(--ink)}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden}
    .faq-item summary{cursor:pointer;list-style:none;padding:19px 48px 19px 20px;font-size:16px;font-weight:750;line-height:1.45;position:relative;color:var(--ink)}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:18px;top:15px;width:27px;height:27px;display:grid;place-items:center;border-radius:50%;background:#e4f3ed;color:var(--green-dark);font-size:21px;font-weight:500;transition:.2s}
    .faq-item[open] summary:after{transform:rotate(45deg)}
    .faq-answer{padding:0 20px 19px;color:var(--muted);font-size:14px}
    .service-strip{background:var(--ink);color:#fff;padding:49px 0}
    .service-strip .container{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .service-strip h2{font-size:29px;line-height:1.3;margin:0 0 7px}
    .service-strip p{margin:0;color:#c2d2ca}
    .site-footer{background:var(--ink);color:#d5e1da;padding:64px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.45fr repeat(3,.8fr);gap:38px}
    .footer-brand .brand{color:#fff;margin-bottom:15px}
    .footer-brand p{max-width:330px;font-size:13px;line-height:1.75;color:#aec0b7;margin:0}
    .footer-title{font-size:14px;color:#fff;margin:4px 0 14px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#b7c8c0;transition:.2s}
    .footer-links a:hover{color:#7de1b7}
    .footer-bottom{margin-top:45px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#9fb2a8}
    .footer-bottom div{display:flex;gap:18px;flex-wrap:wrap}
    .footer-bottom a:hover{color:#7de1b7}
    .mobile-panel{display:none}
    @media(max-width:1024px){
      .navbar{gap:15px}.nav a{padding:10px 8px}.page-head-grid{gap:28px}.footer-grid{grid-template-columns:1.35fr repeat(3,1fr)}
      .timeline{grid-template-columns:repeat(2,1fr)}.timeline:before{display:none}.timeline-node{margin-top:0}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--max))}.topline .container{justify-content:center}.top-links{display:none}
      .navbar{height:68px}.nav,.navbar>.btn{display:none}.menu-btn{display:block}
      .page-head{padding:45px 0}.page-head-grid,.focus-card,.recommend-grid{grid-template-columns:1fr}.news-illustration{min-height:170px}.page-head h1{letter-spacing:-1.3px}
      .section{padding:58px 0}.section-head{display:block;margin-bottom:22px}.section-head p{margin-top:10px}.focus-visual{min-height:220px}.focus-content{padding:27px}
      .news-grid,.faq-grid{grid-template-columns:1fr}.timeline{grid-template-columns:1fr;gap:22px}.recommend-side{grid-template-columns:1fr}.service-strip .container{display:block}.service-strip .btn{margin-top:20px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div{margin-top:10px}
      .mobile-panel{position:fixed;inset:0;z-index:70;background:var(--paper);padding:21px 16px;transform:translateX(100%);transition:transform .25s ease;display:flex;flex-direction:column}.mobile-panel.open{transform:translateX(0)}
      .mobile-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:24px;border-bottom:1px solid var(--line)}.close-menu{width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--white);font-size:24px}
      .mobile-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:28px 0}.mobile-links a{padding:17px 14px;border-radius:13px;background:var(--white);border:1px solid var(--line);font-weight:750}.mobile-links a.active{background:#e4f3ed;color:var(--green-dark);border-color:#b7d7c8}.mobile-panel .btn{margin-top:auto}
    }
    @media(max-width:520px){
      body{font-size:15px}.topline{font-size:11px}.page-head p{font-size:15px}.topic-band{gap:7px;padding:13px}.topic-band a,.topic-band span{font-size:12px;padding:7px 10px}
      .focus-content h2{font-size:24px}.news-card{padding:18px}.recommend-main{padding:27px;min-height:255px}.recommend-main h3{font-size:24px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom div{gap:12px}
    }

/* roulang page: category2 */
:root{--ink:#12201c;--ink2:#1b3029;--green:#22a97a;--green-dark:#157c59;--sand:#e8ded0;--paper:#faf8f3;--white:#fffdf8;--text:#20332c;--muted:#64736d;--line:#d9d8cf;--coral:#ef7e61;--radius:18px;--shadow:0 14px 38px rgba(18,32,28,.09);--shadow-sm:0 7px 18px rgba(18,32,28,.07);--max:1240px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button,a{outline:none}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .topline{background:var(--ink);color:#dce7df;font-size:12px}
    .topline .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}
    .topline-note{display:flex;align-items:center;gap:8px}
    .topline-note i{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block}
    .top-links{display:flex;gap:16px}
    .top-links a{color:#dce7df;transition:.2s}
    .top-links a:hover{color:#79ddb7}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(250,248,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(18,32,28,.1)}
    .navbar{height:76px;display:flex;align-items:center;gap:26px}
    .brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}
    .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--green);color:var(--ink);display:grid;place-items:center;font-weight:900;font-size:15px;box-shadow:inset 0 0 0 4px rgba(255,255,255,.28)}
    .nav{margin-left:auto;display:flex;align-items:center;gap:4px}
    .nav a{padding:10px 12px;border-radius:9px;color:#3e5049;font-size:14px;font-weight:650;position:relative;transition:.2s}
    .nav a:hover,.nav a.active{color:var(--ink);background:#e4f3ed}
    .nav a.active:after{content:"";position:absolute;height:3px;border-radius:5px;left:12px;right:12px;bottom:2px;background:var(--green)}
    .btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,32,28,.16)}
    .btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(34,169,122,.4);outline-offset:3px}
    .btn-primary{background:var(--green);color:#fff}
    .btn-primary:hover{background:var(--green-dark)}
    .btn-outline{border-color:#9bb4aa;background:transparent;color:var(--ink)}
    .btn-outline:hover{background:#edf4ef}
    .menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px;line-height:1}
    .section{padding:88px 0}
    .section-sand{background:var(--sand)}
    .section-dark{background:var(--ink);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:clamp(27px,3vw,37px);line-height:1.25;letter-spacing:-1px;color:var(--ink);margin:0}
    .section-head p{max-width:540px;margin:0;color:var(--muted)}
    .section-dark .section-head h2{color:#fff}
    .section-dark .section-head p{color:#b7c8c0}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:750;letter-spacing:.2px}
    .eyebrow{color:var(--green-dark);padding:6px 10px;background:#dff1e9;border-radius:99px}
    .tag{padding:4px 9px;border-radius:99px;background:#e3f3eb;color:var(--green-dark)}
    .tag.soft{background:#f0ebe2;color:#675f52}
    .tag.dark{background:rgba(120,224,180,.16);color:#a6ebcb}
    .app-hero{position:relative;overflow:hidden;padding:70px 0 62px;background:#f3eee4;border-bottom:1px solid rgba(18,32,28,.08)}
    .app-hero:before{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(34,169,122,.23);border-radius:50%;right:-205px;top:-355px;box-shadow:0 0 0 44px rgba(34,169,122,.05),0 0 0 88px rgba(34,169,122,.035)}
    .app-hero:after{content:"";position:absolute;width:330px;height:190px;left:6%;bottom:-110px;border-radius:50%;border:1px solid rgba(239,126,97,.24);transform:rotate(-15deg)}
    .category-head{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:58px;align-items:center}
    .category-head>*{position:relative}
    .category-head h1{font-size:clamp(36px,4.4vw,54px);line-height:1.16;letter-spacing:-2px;color:var(--ink);margin:18px 0}
    .category-head p{max-width:650px;margin:0;color:#51635c;font-size:17px}
    .head-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
    .update-chip{display:inline-flex;align-items:center;gap:7px;color:#466057;background:#fffdf8;border:1px solid #d9d8cf;border-radius:99px;padding:7px 11px;font-size:13px;font-weight:650}
    .update-chip b{width:7px;height:7px;border-radius:50%;background:var(--green)}
    .line-art{height:255px;border-radius:var(--radius);background:var(--ink);position:relative;overflow:hidden;box-shadow:var(--shadow)}
    .line-art:before{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(140,232,190,.42);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-48%);box-shadow:0 0 0 28px rgba(140,232,190,.06),0 0 0 56px rgba(140,232,190,.04)}
    .line-art:after{content:"";position:absolute;inset:28px;border-radius:16px;border:1px solid rgba(255,255,255,.15)}
    .phone-line{position:absolute;width:116px;height:202px;border:5px solid #9ce5c2;border-radius:22px;left:50%;top:28px;transform:translateX(-50%);z-index:1}
    .phone-line:before{content:"";width:42px;height:5px;border-radius:10px;background:#9ce5c2;position:absolute;left:32px;top:9px}
    .phone-line:after{content:"";position:absolute;left:15px;right:15px;top:37px;height:90px;border-radius:12px;background:linear-gradient(145deg,#1f5745,#30a97b);box-shadow:0 104px 0 -87px #d8eee1,0 128px 0 -87px #d8eee1}
    .download-panel{display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow)}
    .download-copy{padding:40px}
    .download-copy h2{font-size:29px;line-height:1.28;color:var(--ink);margin:14px 0 10px}
    .download-copy>p{color:var(--muted);margin:0 0 22px}
    .download-actions{display:flex;gap:12px;flex-wrap:wrap}
    .version-line{display:flex;align-items:center;gap:12px;margin-top:20px;color:var(--muted);font-size:13px}
    .version-line span{display:inline-flex;align-items:center;gap:6px}
    .version-line i{width:5px;height:5px;border-radius:50%;background:var(--coral)}
    .qr-area{padding:30px;background:#e9f1eb;display:flex;align-items:center;justify-content:center;gap:24px}
    .qr-code{width:132px;height:132px;padding:11px;background:#fff;border-radius:12px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(7,1fr);gap:3px}
    .qr-code span{background:var(--ink);border-radius:1px}
    .qr-code span:nth-child(2n),.qr-code span:nth-child(5n){background:transparent}
    .qr-caption{max-width:170px}
    .qr-caption b{display:block;font-size:17px;color:var(--ink);margin-bottom:5px}
    .qr-caption p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}
    .preview-rail{display:flex;gap:18px;overflow-x:auto;padding:8px 2px 16px;scroll-snap-type:x mandatory}
    .preview-rail::-webkit-scrollbar{height:7px}
    .preview-rail::-webkit-scrollbar-thumb{background:#b9c9c0;border-radius:9px}
    .screen-card{min-width:210px;scroll-snap-align:start;background:var(--white);padding:13px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);transition:.2s}
    .screen-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .mobile-screen{height:308px;padding:12px;border-radius:15px;background:#17352c;overflow:hidden;position:relative}
    .mobile-screen:before{content:"";display:block;width:56px;height:6px;border-radius:20px;background:#b2d1c1;margin:1px auto 15px}
    .ui-banner{height:78px;padding:11px;border-radius:12px;background:linear-gradient(145deg,#257b5d,#35b281);color:#fff;font-size:11px;font-weight:800}
    .ui-label{opacity:.8;font-size:9px;margin-bottom:7px}
    .ui-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin-top:9px}
    .ui-cards span{height:65px;border-radius:9px;background:#fbf8ef;border:1px solid rgba(255,255,255,.35)}
    .ui-rows{display:grid;gap:7px;margin-top:10px}
    .ui-rows span{height:20px;border-radius:7px;background:#f7f4eb}
    .ui-rows span:nth-child(2){width:84%}
    .ui-rows span:nth-child(3){width:68%}
    .mobile-screen.news{background:#f6f3eb}
    .mobile-screen.news:before{background:#4a655a}
    .news-top{height:66px;border-radius:11px;background:#d7eadd;padding:11px;color:#1b4a3a;font-size:11px;font-weight:800}
    .news-photo{height:80px;border-radius:10px;margin-top:9px;background:linear-gradient(135deg,#e58465,#f0d7b6)}
    .news-lines{display:grid;gap:8px;margin-top:11px}
    .news-lines span{height:12px;border-radius:8px;background:#cbd8d0}
    .news-lines span:nth-child(2){width:76%}
    .mobile-screen.help{background:#edf5ef}
    .help-orb{width:103px;height:103px;margin:22px auto;border-radius:50%;background:#d1eadc;border:1px solid #91cdb0;display:grid;place-items:center;color:var(--green-dark);font-weight:900;font-size:31px}
    .help-block{height:39px;border-radius:9px;margin-top:12px;background:#fffdf8;border-left:4px solid var(--green)}
    .screen-card h3{font-size:16px;margin:13px 3px 2px;color:var(--ink)}
    .screen-card p{font-size:13px;color:var(--muted);margin:0 3px}
    .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
    .steps-grid:before{content:"";position:absolute;height:1px;background:#b7c7be;left:11%;right:11%;top:36px}
    .step{position:relative;padding:0 10px}
    .step-number{width:72px;height:72px;border-radius:50%;background:var(--white);border:1px solid #b9d2c4;color:var(--green-dark);display:grid;place-items:center;font-size:20px;font-weight:850;position:relative;z-index:1;box-shadow:var(--shadow-sm)}
    .step h3{font-size:18px;color:var(--ink);margin:18px 0 6px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .help-card{min-height:214px;display:flex;flex-direction:column;padding:23px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.2s}
    .help-card:hover{transform:translateY(-4px);border-color:#9acbb5;box-shadow:var(--shadow)}
    .help-card .meta{font-size:12px;color:#76857f;display:flex;gap:9px;align-items:center}
    .help-card h3{font-size:18px;line-height:1.42;color:var(--ink);margin:15px 0 8px}
    .help-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
    .article-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;color:var(--green-dark);font-size:14px;font-weight:800}
    .article-link:hover{color:var(--ink)}
    .article-link b{font-size:18px;line-height:1}
    .more-row{text-align:center;margin-top:28px}
    .spec-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:start}
    .spec-copy h2{font-size:clamp(27px,3vw,36px);color:#fff;line-height:1.28;margin:12px 0}
    .spec-copy p{color:#b8c9c1;margin:0}
    .security-note{display:flex;gap:12px;margin-top:24px;padding:14px;border-left:3px solid var(--green);background:rgba(255,255,255,.06);color:#d6e3dc;font-size:14px}
    .security-note strong{color:#9ce5c2;white-space:nowrap}
    .spec-list{border-top:1px solid rgba(255,255,255,.16)}
    .spec-item{display:grid;grid-template-columns:132px 1fr;gap:18px;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.16)}
    .spec-item b{color:#a6ebcb;font-size:14px}
    .spec-item span{color:#d7e1dc;font-size:14px}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:52px;align-items:start}
    .faq-intro h2{font-size:clamp(28px,3vw,38px);line-height:1.25;color:var(--ink);margin:13px 0}
    .faq-intro p{color:var(--muted);margin:0}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden}
    .faq-item summary{padding:18px 48px 18px 19px;cursor:pointer;list-style:none;font-weight:800;color:var(--ink);position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:18px;top:13px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#e4f3ed;color:var(--green-dark);font-size:20px;font-weight:500;transition:.2s}
    .faq-item[open] summary:after{transform:rotate(45deg);background:var(--green);color:#fff}
    .faq-answer{padding:0 20px 19px;color:var(--muted);font-size:14px;animation:faqIn .2s ease-out}
    @keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
    .site-footer{background:var(--ink);color:#d8e4dd;padding:62px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px}
    .footer-brand .brand{color:#fff}
    .footer-brand p{max-width:320px;margin:16px 0 0;font-size:13px;color:#b8c9c1}
    .footer-title{font-size:14px;color:#fff;margin:4px 0 15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#b8c9c1;transition:.2s}
    .footer-links a:hover{color:#8de0ba;transform:translateX(2px)}
    .footer-bottom{padding-top:20px;border-top:1px solid rgba(255,255,255,.13);display:flex;align-items:center;justify-content:space-between;gap:20px;color:#91a89d;font-size:12px}
    .footer-bottom div{display:flex;gap:16px}
    .footer-bottom a:hover{color:#8de0ba}
    .mobile-drawer{display:none}
    @media(max-width:1024px){
      .navbar{gap:15px}
      .nav a{padding:9px 8px}
      .category-head{gap:32px}
      .help-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .topline .container{justify-content:center}
      .top-links{display:none}
      .navbar{height:67px}
      .nav,.navbar>.btn{display:none}
      .menu-btn{display:block}
      .mobile-drawer{position:fixed;z-index:100;inset:0;background:var(--paper);padding:18px 16px;transform:translateX(100%);transition:transform .25s ease;display:flex;flex-direction:column}
      .mobile-drawer.open{transform:translateX(0)}
      .drawer-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line)}
      .drawer-close{border:1px solid var(--line);background:var(--white);width:42px;height:42px;border-radius:10px;font-size:23px;color:var(--ink)}
      .drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:24px 0}
      .drawer-links a{padding:16px;border-radius:12px;border:1px solid var(--line);background:var(--white);font-weight:750}
      .drawer-links a.active{background:#e4f3ed;border-color:#9fd2ba;color:var(--green-dark)}
      .drawer-download{margin-top:auto}
      .app-hero{padding:53px 0}
      .category-head{grid-template-columns:1fr;gap:28px}
      .category-head h1{margin:15px 0}
      .line-art{height:210px}
      .section{padding:60px 0}
      .section-head{display:block;margin-bottom:23px}
      .section-head h2{margin-bottom:10px}
      .download-panel{grid-template-columns:1fr}
      .download-copy{padding:29px 24px}
      .qr-area{justify-content:flex-start;padding:24px}
      .steps-grid{grid-template-columns:1fr 1fr;gap:28px 14px}
      .steps-grid:before{display:none}
      .step{padding:0}
      .help-grid{grid-template-columns:1fr}
      .spec-wrap,.faq-layout{grid-template-columns:1fr;gap:28px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      body{font-size:15px}
      .container{width:calc(100% - 28px)}
      .topline{font-size:11px}
      .category-head h1{font-size:34px;letter-spacing:-1.4px}
      .category-head p{font-size:15px}
      .line-art{height:180px}
      .phone-line{transform:translateX(-50%) scale(.83);top:7px}
      .qr-area{gap:15px}
      .qr-code{width:113px;height:113px}
      .qr-caption b{font-size:15px}
      .version-line{align-items:flex-start;flex-direction:column;gap:4px}
      .steps-grid{grid-template-columns:1fr}
      .step{display:grid;grid-template-columns:72px 1fr;column-gap:15px}
      .step h3{margin:4px 0 4px}
      .step p{grid-column:2}
      .spec-item{grid-template-columns:1fr;gap:3px}
      .footer-grid{grid-template-columns:1fr;gap:24px}
      .footer-bottom{align-items:flex-start;flex-direction:column}
      .footer-bottom div{flex-wrap:wrap;gap:8px 14px}
    }

/* roulang page: category3 */
:root{--ink:#12201c;--ink2:#1b3029;--green:#22a97a;--green-dark:#157c59;--sand:#e8ded0;--paper:#faf8f3;--white:#fffdf8;--text:#20332c;--muted:#64736d;--line:#d9d8cf;--coral:#ef7e61;--radius:18px;--shadow:0 14px 38px rgba(18,32,28,.09);--shadow-sm:0 7px 18px rgba(18,32,28,.07);--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}button,a{outline:none}.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.topline{background:var(--ink);color:#dce7df;font-size:12px}.topline .container{min-height:34px;display:flex;justify-content:space-between;align-items:center;gap:18px}.top-links{display:flex;gap:18px}.top-links a{color:#dce7df;transition:.2s}.top-links a:hover{color:#79ddb7}
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,248,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(18,32,28,.1)}.navbar{height:76px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--green);color:var(--ink);display:grid;place-items:center;font-weight:900;font-size:15px;box-shadow:inset 0 0 0 4px rgba(255,255,255,.28)}.nav{margin-left:auto;display:flex;align-items:center;gap:4px}.nav a{padding:10px 12px;border-radius:9px;color:#3e5049;font-size:14px;font-weight:650;position:relative;transition:.2s}.nav a:hover,.nav a.active{color:var(--ink);background:#e4f3ed}.nav a.active:after{content:"";position:absolute;height:3px;border-radius:5px;left:12px;right:12px;bottom:2px;background:var(--green)}
.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:1px solid transparent;border-radius:11px;font-weight:750;font-size:14px;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 9px 20px rgba(18,32,28,.16)}.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(34,169,122,.4);outline-offset:3px}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green-dark)}.btn-outline{border-color:#9bb4aa;background:transparent;color:var(--ink)}.btn-outline:hover{background:#edf4ef}.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:var(--white);border-radius:10px;color:var(--ink);font-size:22px}
.section{padding:88px 0}.section-sand{background:var(--sand)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-head h2{font-size:clamp(27px,3vw,37px);line-height:1.25;letter-spacing:-1px;color:var(--ink);margin:0}.section-head p{max-width:530px;margin:0;color:var(--muted)}.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:750;letter-spacing:.2px}.eyebrow{color:var(--green-dark);padding:6px 10px;background:#dff1e9;border-radius:99px}.tag{padding:4px 9px;border-radius:99px;background:#e3f3eb;color:var(--green-dark)}.meta{font-size:12px;color:#76857f;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.guide-hero{position:relative;overflow:hidden;padding:70px 0 64px;background:linear-gradient(135deg,#f7f2e8 0%,#e9f0e8 57%,#dcebe2 100%)}.guide-hero:before,.guide-hero:after{content:"";position:absolute;border:1px solid rgba(34,169,122,.2);border-radius:50%}.guide-hero:before{width:470px;height:470px;right:-105px;top:-210px;box-shadow:0 0 0 36px rgba(34,169,122,.05)}.guide-hero:after{width:210px;height:210px;left:8%;bottom:-135px}.guide-hero .container{position:relative}.guide-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:52px;align-items:center}.guide-hero h1{font-size:clamp(36px,4.4vw,53px);line-height:1.16;letter-spacing:-2px;color:var(--ink);margin:17px 0}.guide-hero p{max-width:680px;color:#4c6058;font-size:17px;margin:0}.hero-update{margin-top:23px;color:var(--muted);font-size:13px}
.guide-map{min-height:290px;border-radius:var(--radius);background:var(--ink);color:#fff;padding:27px;position:relative;overflow:hidden;box-shadow:var(--shadow)}.guide-map:after{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(143,224,185,.31);border-radius:50%;right:-78px;bottom:-118px;box-shadow:0 0 0 26px rgba(143,224,185,.06)}.guide-map>*{position:relative}.guide-map h2{font-size:21px;margin:0 0 18px}.map-lines{display:grid;gap:11px}.map-line{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.11);font-size:14px}.map-no{color:#91e2bc;font-weight:850;font-size:12px}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.path-card{display:block;background:var(--white);padding:22px 19px;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);transition:.2s}.path-card:hover{transform:translateY(-4px);border-color:#8ec7ad;box-shadow:var(--shadow)}.path-num{font-size:13px;font-weight:850;color:var(--coral)}.path-card h3{margin:13px 0 5px;font-size:18px;color:var(--ink)}.path-card p{margin:0;color:var(--muted);font-size:13px}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.article-card{background:var(--white);border:1px solid var(--line);border-radius:17px;padding:21px;min-height:235px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:.22s}.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#92cbb1}.article-card h3{font-size:19px;line-height:1.4;margin:14px 0 10px;color:var(--ink)}.article-card p{font-size:14px;color:var(--muted);margin:0 0 16px}.article-card .read{margin-top:auto;color:var(--green-dark);font-size:14px;font-weight:800}
.basics{display:grid;grid-template-columns:.92fr 1.08fr;gap:30px;align-items:stretch}.basics-panel{border-radius:var(--radius);background:var(--ink);color:#fff;padding:34px;position:relative;overflow:hidden}.basics-panel:before{content:"";position:absolute;inset:20px;border:1px solid rgba(162,232,201,.2);border-radius:14px}.basics-panel>*{position:relative}.basics-panel h2{font-size:29px;line-height:1.3;margin:14px 0}.basics-panel p{color:#c9d7d1;margin:0}.rule-list{display:grid;gap:12px}.rule-card{background:var(--white);border:1px solid var(--line);border-radius:15px;padding:18px;display:flex;gap:15px;align-items:flex-start}.rule-icon{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:#dff1e9;color:var(--green-dark);display:grid;place-items:center;font-weight:900}.rule-card h3{font-size:16px;margin:0 0 3px;color:var(--ink)}.rule-card p{font-size:13px;color:var(--muted);margin:0}
.feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.feature-art{border-radius:var(--radius);min-height:330px;padding:30px;background:linear-gradient(145deg,#d9ecdf,#f7f1e7);position:relative;overflow:hidden}.feature-art:before{content:"";position:absolute;width:250px;height:250px;border-radius:38px;border:13px solid rgba(34,169,122,.18);right:46px;top:42px;transform:rotate(19deg)}.feature-art:after{content:"";position:absolute;width:145px;height:200px;border-radius:22px;background:var(--ink);right:96px;top:72px;box-shadow:0 0 0 8px rgba(255,255,255,.55)}.feature-art h2{position:relative;z-index:1;font-size:29px;line-height:1.3;max-width:280px;color:var(--ink)}.feature-art p{position:relative;z-index:1;max-width:265px;color:#52645d;font-size:14px}.feature-list{display:grid;gap:13px}.feature-item{padding:19px;border:1px solid var(--line);border-radius:15px;background:var(--white);box-shadow:var(--shadow-sm)}.feature-item b{display:block;color:var(--green-dark);font-size:12px;margin-bottom:4px}.feature-item h3{font-size:17px;margin:0 0 4px}.feature-item p{font-size:13px;color:var(--muted);margin:0}
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.safety-card{padding:22px 18px;background:var(--white);border:1px solid rgba(18,32,28,.12);border-radius:16px}.safety-symbol{width:38px;height:38px;border-radius:12px;background:#e4f3ed;color:var(--green-dark);display:grid;place-items:center;font-weight:900;margin-bottom:15px}.safety-card h3{font-size:17px;margin:0 0 6px}.safety-card p{font-size:13px;margin:0;color:var(--muted)}
.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:50px}.faq-intro h2{font-size:clamp(28px,3vw,38px);line-height:1.25;margin:13px 0;color:var(--ink)}.faq-intro p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;padding:20px 3px;text-align:left;background:transparent;border:0;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:16px}.faq-q span:last-child{color:var(--green);font-size:23px;line-height:1}.faq-a{display:none;padding:0 3px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.channel-section{padding:72px 0;background:var(--ink);color:#fff;position:relative;overflow:hidden}.channel-section:before{content:"";position:absolute;width:470px;height:470px;border:1px solid rgba(133,221,182,.18);border-radius:50%;right:-140px;top:-240px}.channel-box{position:relative;display:flex;justify-content:space-between;align-items:center;gap:32px}.channel-box h2{font-size:clamp(28px,3.2vw,40px);line-height:1.25;margin:0 0 10px}.channel-box p{margin:0;color:#bfd0c8;max-width:620px}.channel-notes{display:flex;gap:13px;flex-wrap:wrap;margin-top:20px}.channel-notes span{font-size:13px;border:1px solid rgba(255,255,255,.16);border-radius:99px;padding:6px 10px;color:#d8e6df}
.site-footer{background:#10201b;color:#d5e1da;padding:62px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}.site-footer .brand{color:#fff}.footer-brand p{max-width:335px;color:#aabcb3;font-size:13px;margin:16px 0 0}.footer-title{font-size:14px;color:#fff;margin:5px 0 14px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:13px;color:#aabcb3;transition:.2s}.footer-links a:hover{color:#7fddb6}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;color:#8ea59a;font-size:12px}.footer-bottom div{display:flex;gap:18px}.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){.guide-grid,.basics,.faq-wrap{grid-template-columns:1fr}.guide-map{min-height:auto}.path-grid{grid-template-columns:repeat(2,1fr)}.article-grid{grid-template-columns:repeat(2,1fr)}.safety-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-brand{grid-column:1/-1}.feature-grid{grid-template-columns:1fr}.channel-box{align-items:flex-start;flex-direction:column}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.topline .container{justify-content:center}.top-links{display:none}.navbar{height:68px}.nav,.navbar>.btn{display:none}.menu-btn{display:grid;place-items:center}.section{padding:58px 0}.guide-hero{padding:54px 0}.guide-hero h1{letter-spacing:-1.4px}.section-head{display:block}.section-head p{margin-top:12px}.article-grid{grid-template-columns:1fr}.feature-art{min-height:270px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){body{font-size:15px}.guide-hero p{font-size:15px}.path-grid,.safety-grid{grid-template-columns:1fr}.path-card{padding:18px}.article-card{min-height:0}.basics-panel{padding:25px}.feature-art:after{right:42px;top:88px;transform:scale(.8);transform-origin:top right}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom div{margin-top:10px;gap:12px;flex-wrap:wrap}.channel-section{padding:54px 0}}