/* roulang page: index */
:root{--ink:#20201e;--muted:#6d6b65;--paper:#f8f6f0;--white:#fffdf8;--line:#e7e1d5;--orange:#f36d32;--orange-2:#ff9b54;--teal:#237c74;--charcoal:#202320;--soft:#f0ede5;--radius:18px;--shadow:0 16px 40px rgba(38,33,24,.08);--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.container{width:min(calc(100% - 48px),var(--max));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;z-index:99;background:#fff;padding:10px 14px;border-radius:8px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,253,248,.94);border-bottom:1px solid rgba(231,225,213,.9);backdrop-filter:blur(10px)}.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:228px;font-weight:800;letter-spacing:-.04em}.brand-mark{width:37px;height:37px;border-radius:11px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 6px 15px rgba(243,109,50,.25)}.brand small{display:block;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--muted)}.nav{display:flex;align-items:center;gap:4px;flex:1}.nav a{padding:10px 11px;border-radius:8px;font-size:14px;color:#4e4b45;white-space:nowrap;transition:.2s}.nav a:hover,.nav a.active{background:#fff0e7;color:#c94e1a}.nav-tools{display:flex;align-items:center;gap:10px}.help-link{font-size:14px;color:var(--muted);white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(35,30,22,.13)}.btn:focus,a:focus,button:focus{outline:3px solid rgba(243,109,50,.3);outline-offset:3px}.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:#df5c24}.btn-dark{background:var(--charcoal);color:#fff}.btn-outline{border-color:#cfc7b9;color:var(--ink);background:transparent}.menu-toggle{display:none;border:0;background:none;font-size:23px}
main{overflow:hidden}.hero{background:var(--charcoal);color:#fff;padding:76px 0 64px;position:relative}.hero:after{content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(255,255,255,.08);border-radius:50%;right:-170px;top:-220px}.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:54px;align-items:center;position:relative;z-index:1}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:#ffc49b;font-size:13px;font-weight:700;letter-spacing:.08em}.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block}.hero h1{font-size:clamp(40px,5vw,62px);line-height:1.12;letter-spacing:-.065em;margin:17px 0 20px;max-width:680px}.hero p{color:#d4d5d0;font-size:17px;max-width:620px;margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn-ghost{border-color:#70746d;color:#fff}.hero-visual{min-height:370px;position:relative;border-radius:26px;background:linear-gradient(145deg,#343832,#202320 68%);border:1px solid rgba(255,255,255,.12);overflow:hidden;padding:25px}.visual-top{display:flex;justify-content:space-between;align-items:center;color:#e9e7de;font-size:13px}.live{color:#99dbd1}.visual-game{position:absolute;left:30px;right:30px;top:79px;bottom:28px;border-radius:17px;background:linear-gradient(135deg,#f47b42,#de4d2f);padding:25px;overflow:hidden}.visual-game:after{content:"J9";position:absolute;right:-12px;bottom:-52px;font-size:180px;font-weight:800;line-height:1;color:rgba(255,255,255,.16);letter-spacing:-.15em}.visual-game strong{display:block;font-size:29px;position:relative;z-index:1}.visual-game span{display:block;position:relative;z-index:1;margin-top:8px;color:#fff0e8}.visual-dots{display:flex;gap:6px;margin-top:35px;position:relative;z-index:1}.visual-dots b{width:31px;height:6px;border-radius:99px;background:rgba(255,255,255,.42)}.visual-dots b:first-child{background:#fff}
.section{padding:88px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.kicker{display:block;color:#bd562a;font-size:12px;letter-spacing:.12em;font-weight:800;margin-bottom:8px}.section h2{margin:0;font-size:clamp(27px,3vw,38px);line-height:1.18;letter-spacing:-.045em}.section-intro{max-width:475px;margin:0;color:var(--muted);font-size:15px}.hall{padding-top:62px}.hall-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow);display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden}.hall-main{padding:35px}.hall-main h2{font-size:31px;margin:0 0 8px}.hall-main p{color:var(--muted);margin:0 0 25px}.hall-items{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.hall-item{border:1px solid var(--line);border-radius:13px;padding:17px;transition:.2s;background:#fff}.hall-item:hover{border-color:#efb08d;transform:translateY(-3px)}.hall-item b{display:block;font-size:16px}.hall-item span{color:var(--muted);font-size:13px}.hall-side{background:#efe8dc;padding:34px;display:flex;flex-direction:column;justify-content:space-between}.number{font-size:60px;font-weight:800;letter-spacing:-.09em;color:var(--orange);line-height:1}.hall-side p{font-size:15px;margin:11px 0;color:#5e5a52}.tag{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border-radius:99px;background:#e5f1ee;color:#17675f;font-size:12px;font-weight:700}
.download{background:#f0ece3}.download-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:50px;align-items:center}.phone{width:245px;height:454px;margin:auto;background:#282a27;border:8px solid #161714;border-radius:34px;padding:18px 13px;box-shadow:18px 20px 0 #d6cbbb;position:relative}.phone:before{content:"";display:block;width:75px;height:16px;margin:-9px auto 15px;background:#151613;border-radius:99px}.phone-screen{height:365px;border-radius:18px;padding:20px;background:linear-gradient(150deg,#f47d43,#e75532);color:#fff}.phone-screen b{font-size:24px}.phone-screen p{font-size:12px;margin-top:8px}.screen-bars{margin-top:40px;display:grid;gap:9px}.screen-bars i{height:14px;border-radius:99px;background:rgba(255,255,255,.4)}.screen-bars i:nth-child(2){width:72%}.download-copy h2{font-size:39px;margin:0 0 14px;line-height:1.2}.download-copy>p{color:var(--muted);font-size:16px}.download-meta{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.meta-pill{padding:7px 10px;border:1px solid #d8d0c3;border-radius:8px;background:#faf8f3;font-size:13px;color:#59554e}.download-row{display:flex;align-items:center;gap:18px;margin-top:25px}.qr{width:76px;height:76px;background:repeating-linear-gradient(90deg,#202320 0 6px,#fff 6px 10px),repeating-linear-gradient(#202320 0 5px,#fff 5px 9px);border:5px solid #fff;box-shadow:0 0 0 1px var(--line)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}.step{position:relative;padding:0 26px 0 0}.step:not(:last-child):after{content:"";position:absolute;top:22px;left:53px;right:0;height:1px;background:#d7d0c4}.step-no{width:45px;height:45px;display:grid;place-items:center;border-radius:50%;background:var(--charcoal);color:#fff;font-weight:800;position:relative;z-index:1}.step h3{font-size:17px;margin:17px 0 6px}.step p{color:var(--muted);font-size:14px;margin:0}
.dynamic{background:var(--charcoal);color:#fff}.dynamic .kicker{color:#ffa26e}.dynamic .section-intro{color:#c6c7c1}.dynamic-list{display:grid;grid-template-columns:1.08fr .92fr;gap:17px}.featured-post,.post-row{border:1px solid rgba(255,255,255,.13);background:#292c28;border-radius:16px}.featured-post{padding:30px;min-height:285px;display:flex;flex-direction:column;justify-content:end}.featured-post h3{font-size:27px;line-height:1.25;margin:14px 0 9px}.featured-post p,.post-row p{color:#c4c5c0;font-size:14px;margin:0}.post-stack{display:grid;gap:12px}.post-row{padding:17px 19px}.post-row h3{font-size:16px;margin:9px 0 4px;line-height:1.35}.post-meta{display:flex;gap:9px;align-items:center;color:#a5aaa2;font-size:12px}.post-link{display:inline-flex;color:#ffc19b;font-size:13px;font-weight:700;margin-top:14px}.empty-state{border:1px dashed rgba(255,255,255,.3);padding:34px;border-radius:14px;color:#d0d1cd;grid-column:1/-1;text-align:center}
.guides{display:grid;grid-template-columns:.82fr 1.18fr;gap:30px}.guide-lead{background:#f7d9c9;border-radius:18px;padding:31px}.guide-lead h2{font-size:32px;margin:0 0 12px}.guide-lead p{color:#654d43}.guide-list{display:grid;gap:0;border-top:1px solid var(--line)}.guide-row{display:grid;grid-template-columns:55px 1fr auto;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.guide-row b{font-size:22px;color:var(--orange)}.guide-row h3{font-size:16px;margin:0}.guide-row p{font-size:13px;color:var(--muted);margin:2px 0 0}.arrow{color:var(--orange);font-size:22px}
.strategy{background:#fffdf8}.strategy-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:21px}.strategy-main{min-height:320px;background:var(--teal);border-radius:18px;padding:34px;color:#fff;display:flex;flex-direction:column;justify-content:end}.strategy-main .tag{background:#cde5df;color:#17675f}.strategy-main h3{font-size:31px;line-height:1.2;margin:16px 0 8px}.strategy-main p{color:#d4ebe6;margin:0}.strategy-side{display:grid;gap:13px}.strategy-small{border:1px solid var(--line);border-radius:15px;padding:20px;background:#fff;transition:.2s}.strategy-small:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.strategy-small h3{margin:8px 0 5px;font-size:17px}.strategy-small p{font-size:13px;color:var(--muted);margin:0}
.update-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.update-card{padding:23px;border-left:4px solid var(--orange);background:#fff;border-radius:0 15px 15px 0;box-shadow:0 8px 22px rgba(30,28,24,.04)}.update-card .version{font-weight:800;color:var(--orange);font-size:14px}.update-card h3{font-size:18px;margin:9px 0 7px}.update-card p{font-size:14px;color:var(--muted);margin:0}.update-card time{display:block;color:#9a968e;font-size:12px;margin-top:15px}
.event-banner{background:linear-gradient(105deg,#342e29,#5d3828);color:#fff;border-radius:20px;padding:40px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.event-banner h2{font-size:34px;margin:7px 0}.event-banner p{color:#e5d6cb;max-width:670px;margin:0}.event-date{padding:14px 18px;border:1px solid rgba(255,255,255,.24);border-radius:12px;text-align:center}.event-date b{font-size:25px;display:block}.event-date span{font-size:12px;color:#ddc8b9}
.security{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}.security-panel{background:#e3f0ed;border-radius:18px;padding:34px}.security-panel h2{margin:0 0 12px;font-size:34px}.security-panel p{color:#41625d}.check-list{display:grid;gap:13px}.check-list div{display:flex;gap:11px;align-items:flex-start}.check{width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--teal);color:#fff;flex:0 0 auto;font-size:13px;margin-top:2px}.security-aside{display:grid;grid-template-columns:1fr 1fr;gap:13px}.security-item{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff}.security-item b{font-size:16px}.security-item p{font-size:13px;color:var(--muted);margin:7px 0 0}
.mobile-showcase{background:#f0ece3}.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.mobile-copy h2{font-size:38px;margin:0 0 14px}.mobile-copy p{color:var(--muted)}.feature-lines{display:grid;gap:12px;margin-top:22px}.feature-lines div{padding:13px 15px;background:#fff;border-radius:10px;border-left:3px solid var(--orange);font-size:14px}.mobile-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.mobile-card{min-height:170px;border-radius:16px;padding:20px;background:#252824;color:#fff}.mobile-card:nth-child(2){background:#d75d31}.mobile-card:nth-child(3){background:#fff;color:var(--ink);border:1px solid var(--line)}.mobile-card b{font-size:20px;display:block}.mobile-card span{display:block;font-size:13px;margin-top:8px;opacity:.78}
.faq-wrap{max-width:880px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;text-align:left;padding:20px 0;border:0;background:transparent;color:var(--ink);display:flex;justify-content:space-between;gap:20px;font-weight:700;font-size:16px}.faq-q span:last-child{color:var(--orange);font-size:23px;line-height:1}.faq-a{display:none;padding:0 38px 20px 0;color:var(--muted);font-size:15px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.channel{padding:22px;border-radius:15px;border:1px solid var(--line);background:#fff;transition:.2s}.channel:hover{border-color:#efaa85;transform:translateY(-3px);box-shadow:var(--shadow)}.channel b{display:block;font-size:18px}.channel span{display:block;color:var(--muted);font-size:13px;margin:7px 0 14px}.channel em{font-style:normal;color:var(--orange);font-size:13px;font-weight:700}
.final-cta{padding:0 0 88px}.cta-box{background:var(--charcoal);color:#fff;border-radius:21px;padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-box h2{font-size:34px;line-height:1.2;margin:0 0 9px}.cta-box p{margin:0;color:#c8cac5}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}.trust{padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.trust-item{font-size:13px;color:var(--muted);padding-left:14px;border-left:3px solid #d8d1c5}.trust-item b{display:block;color:var(--ink);font-size:14px;margin-bottom:2px}
.footer{background:#191b19;color:#d6d7d1;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(2,.7fr);gap:40px;padding-bottom:40px}.footer .brand{color:#fff}.footer p{color:#9fa39c;font-size:14px;max-width:350px}.footer h3{color:#fff;font-size:14px;margin:5px 0 13px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:14px;color:#aeb1ab}.footer-links a:hover{color:#ffad7a}.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:19px;color:#848a82;font-size:12px;display:flex;justify-content:space-between;gap:15px}
@media(max-width:1024px){.nav-wrap{gap:13px}.brand{min-width:205px}.nav a{padding:8px 7px;font-size:13px}.help-link{display:none}.hero-grid,.download-grid,.mobile-grid{gap:30px}.section{padding:70px 0}.hero{padding:62px 0}.channel-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.nav{display:none;position:absolute;top:76px;left:0;right:0;padding:15px 16px 20px;background:#fffdf8;border-bottom:1px solid var(--line);box-shadow:var(--shadow);grid-template-columns:repeat(2,1fr)}.nav.open{display:grid}.nav a{padding:11px}.menu-toggle{display:block;order:3}.nav-tools{margin-left:auto}.nav-tools .btn{min-height:39px;padding:0 11px;font-size:13px}.brand{min-width:0;font-size:14px}.brand small{display:none}.hero-grid,.download-grid,.guides,.strategy-grid,.security,.mobile-grid,.dynamic-list{grid-template-columns:1fr}.hero-visual{min-height:290px}.hall-panel{grid-template-columns:1fr}.hall-side{min-height:175px}.steps-grid{grid-template-columns:1fr 1fr;gap:25px}.step:nth-child(2):after{display:none}.update-grid{grid-template-columns:1fr}.security-aside{grid-template-columns:1fr 1fr}.event-banner,.cta-box{grid-template-columns:1fr;display:grid}.section-head{align-items:start;flex-direction:column;margin-bottom:23px}.section{padding:58px 0}.download-copy h2,.mobile-copy h2{font-size:32px}.phone{transform:scale(.88);margin:-27px auto}.trust-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.nav-wrap{height:66px}.nav{top:66px}.brand-mark{width:32px;height:32px;border-radius:9px}.nav-tools .btn{padding:0 9px;font-size:12px}.hero{padding:48px 0}.hero h1{font-size:36px}.hero p{font-size:15px}.hero-actions,.download-row,.cta-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn,.download-row .btn,.cta-actions .btn{width:100%}.hero-visual{min-height:245px;padding:16px}.visual-game{left:18px;right:18px;top:58px;bottom:18px;padding:18px}.visual-game strong{font-size:23px}.hall-main,.hall-side,.guide-lead,.security-panel{padding:24px}.hall-items{grid-template-columns:1fr}.steps-grid{grid-template-columns:1fr}.step{padding-right:0;padding-left:58px}.step:not(:last-child):after{width:1px;height:calc(100% - 35px);left:22px;top:46px;right:auto}.step-no{position:absolute;left:0;top:0}.guide-row{grid-template-columns:42px 1fr auto;gap:10px}.guide-row p{display:none}.strategy-main{min-height:260px;padding:25px}.dynamic-list{gap:12px}.featured-post{min-height:230px;padding:23px}.featured-post h3{font-size:23px}.security-aside,.mobile-cards,.channel-grid,.trust-grid{grid-template-columns:1fr}.event-banner,.cta-box{padding:29px 24px}.event-banner h2,.cta-box h2{font-size:28px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-bottom:6px}}

/* roulang page: article */
:root{
      --ink:#20201e;--muted:#6d6b65;--paper:#f8f6f0;--white:#fffdf8;
      --line:#e7e1d5;--orange:#f36d32;--orange-2:#ff9b54;--teal:#237c74;
      --charcoal:#202320;--soft:#f0ede5;--radius:18px;
      --shadow:0 16px 40px rgba(38,33,24,.08);--max:1220px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    a:focus,button:focus,input:focus{outline:3px solid rgba(243,109,50,.3);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,253,248,.95);border-bottom:1px solid rgba(231,225,213,.9);backdrop-filter:blur(10px)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:228px;font-weight:800;letter-spacing:-.04em}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 6px 15px rgba(243,109,50,.25)}
    .brand small{display:block;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--muted)}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:8px;font-size:14px;color:#4e4b45;white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a.active{background:#fff0e7;color:#c94e1a}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(35,30,22,.13)}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#df5c24;color:#fff}
    .btn-dark{background:var(--charcoal);color:#fff}
    .btn-outline{border-color:#cfc7b9;color:var(--ink);background:transparent}
    .menu-toggle{display:none;border:0;background:none;font-size:23px}
    main{overflow:hidden}
    .article-top{background:var(--charcoal);color:#fff;padding:58px 0 68px}
    .breadcrumbs{display:flex;align-items:center;gap:10px;color:#aeb2aa;font-size:13px;margin-bottom:34px;flex-wrap:wrap}
    .breadcrumbs a:hover{color:#ffc49b}
    .crumb-sep{color:#697068}
    .article-heading{max-width:900px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffc49b;font-size:13px;font-weight:700;letter-spacing:.06em}
    .eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block}
    .article-heading h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-.06em;margin:16px 0 19px}
    .article-heading p{color:#d4d5d0;font-size:17px;max-width:800px;margin:0}
    .article-meta{display:flex;gap:10px 22px;align-items:center;flex-wrap:wrap;margin-top:27px;color:#aeb2aa;font-size:13px}
    .tag{display:inline-flex;align-items:center;width:max-content;padding:4px 10px;border-radius:99px;background:#e5f1ee;color:#17675f;font-size:12px;font-weight:700}
    .article-meta .tag{background:rgba(255,155,84,.16);color:#ffc49b}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 250px;gap:70px;align-items:start;padding:76px 0 92px}
    .article-body{min-width:0;background:var(--white);border:1px solid var(--line);border-radius:20px;padding:clamp(25px,5vw,58px);box-shadow:var(--shadow)}
    .article-body h2{font-size:30px;line-height:1.3;margin:34px 0 16px;letter-spacing:-.04em}
    .article-body h3{font-size:21px;margin:28px 0 10px}
    .article-body p{font-size:16px;color:#45433e;margin:0 0 20px}
    .article-body ul,.article-body ol{padding-left:24px;color:#45433e;margin:15px 0 24px}
    .article-body li{padding:4px 0}
    .article-body img{border-radius:13px;margin:25px auto}
    .article-body table{width:100%;border-collapse:collapse;margin:24px 0;display:block;overflow-x:auto}
    .article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
    .article-body th{background:var(--soft)}
    .article-body blockquote{border-left:4px solid var(--orange);background:#fff1e9;padding:18px 20px;margin:25px 0;color:#694f43;border-radius:0 12px 12px 0}
    .article-empty{text-align:center;padding:65px 20px}
    .article-empty h2{margin:0 0 12px;font-size:27px}
    .article-empty p{color:var(--muted)}
    .side-card{position:sticky;top:105px;border-top:3px solid var(--orange);background:#fff;border-radius:15px;padding:22px;border:1px solid var(--line);box-shadow:0 10px 28px rgba(38,33,24,.05)}
    .side-card h2{font-size:17px;margin:0 0 15px}
    .side-card a{display:block;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;color:#58554e;transition:.2s}
    .side-card a:last-child{border-bottom:0}
    .side-card a:hover{color:var(--orange);padding-left:4px}
    .reading-note{background:#f7d9c9;border-radius:16px;padding:24px 27px;margin-top:28px}
    .reading-note strong{display:block;margin-bottom:6px;font-size:17px}
    .reading-note p{margin:0;color:#654d43;font-size:14px}
    .related-section{background:var(--soft);padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:27px}
    .section-head h2{font-size:32px;line-height:1.2;margin:0;letter-spacing:-.045em}
    .section-head p{max-width:440px;color:var(--muted);margin:0;font-size:14px}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .related-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;transition:.2s}
    .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#efb08d}
    .related-card h3{font-size:18px;line-height:1.4;margin:14px 0 8px}
    .related-card p{font-size:14px;color:var(--muted);margin:0 0 17px}
    .related-card time{font-size:12px;color:#99948a}
    .cta-band{background:var(--charcoal);color:#fff;padding:65px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner h2{font-size:31px;margin:0 0 8px;letter-spacing:-.04em}
    .cta-inner p{color:#c5c8c1;margin:0;font-size:15px}
    .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
    .footer{background:#1a1c1a;color:#fff;padding:55px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:45px;padding-bottom:40px}
    .footer .brand{color:#fff}
    .footer .brand small{color:#aeb2aa}
    .footer p{color:#aeb2aa;font-size:14px;max-width:310px;margin:18px 0 0}
    .footer h3{font-size:15px;margin:4px 0 15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#aeb2aa;transition:.2s}
    .footer-links a:hover{color:#ffc49b}
    .copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid #343833;padding-top:19px;color:#858a82;font-size:12px}
    @media (max-width:1024px){
      .nav-wrap{gap:15px}.brand{min-width:205px}.nav a{padding:9px 7px;font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:35px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 34px),var(--max))}
      .nav-wrap{height:68px}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--white);padding:12px 17px 18px;border-bottom:1px solid var(--line);box-shadow:0 14px 25px rgba(25,22,18,.08);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:12px 13px}.nav-tools .btn{min-height:39px;padding:0 12px;font-size:13px}.menu-toggle{display:block}.brand{min-width:0;flex:1}
      .article-top{padding:42px 0 48px}.breadcrumbs{margin-bottom:24px}.article-heading h1{font-size:38px}
      .article-layout{display:block;padding:48px 0 65px}.side-card{position:static;margin-top:28px}
      .related-section{padding:55px 0}.related-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:10px}
      .cta-inner{display:block}.cta-actions{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:520px){
      .container{width:min(calc(100% - 28px),var(--max))}
      .brand{font-size:14px}.brand-mark{width:34px;height:34px}.brand small{font-size:9px}.nav-tools .btn{display:none}
      .article-heading h1{font-size:32px}.article-heading p{font-size:15px}.article-body{padding:23px 19px;border-radius:15px}.article-body h2{font-size:25px}
      .article-body p{font-size:15px}.cta-inner h2{font-size:26px}.cta-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-top:5px}
    }

/* roulang page: category2 */
:root{--ink:#20201e;--muted:#6d6b65;--paper:#f8f6f0;--white:#fffdf8;--line:#e7e1d5;--orange:#f36d32;--orange-2:#ff9b54;--teal:#237c74;--charcoal:#202320;--soft:#f0ede5;--radius:18px;--shadow:0 16px 40px rgba(38,33,24,.08);--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.container{width:min(calc(100% - 48px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,253,248,.94);border-bottom:1px solid rgba(231,225,213,.9);backdrop-filter:blur(10px)}.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:228px;font-weight:800;letter-spacing:-.04em}.brand-mark{width:37px;height:37px;border-radius:11px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 6px 15px rgba(243,109,50,.25)}.brand small{display:block;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--muted)}.nav{display:flex;align-items:center;gap:4px;flex:1}.nav a{padding:10px 11px;border-radius:8px;font-size:14px;color:#4e4b45;white-space:nowrap;transition:.2s}.nav a:hover,.nav a.active{background:#fff0e7;color:#c94e1a}.nav-tools{display:flex;align-items:center;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(35,30,22,.13)}.btn:focus,a:focus,button:focus{outline:3px solid rgba(243,109,50,.3);outline-offset:3px}.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:#df5c24}.btn-dark{background:var(--charcoal);color:#fff}.btn-outline{border-color:#cfc7b9;color:var(--ink);background:transparent}.menu-toggle{display:none;border:0;background:none;font-size:23px}
main{overflow:hidden}.breadcrumb-bar{padding:20px 0 0}.breadcrumb{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin:0;color:var(--muted);font-size:13px}.breadcrumb span{color:#aaa49a}.page-intro{padding:42px 0 48px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block}.page-intro-grid{display:grid;grid-template-columns:1fr .72fr;gap:45px;align-items:end}.page-intro h1{font-size:clamp(36px,4.6vw,57px);line-height:1.12;letter-spacing:-.06em;margin:14px 0 16px}.page-intro p{max-width:710px;margin:0;color:var(--muted);font-size:17px}.intro-time{padding:19px 22px;border-left:3px solid var(--orange);background:#fff3eb;border-radius:0 14px 14px 0;color:#715b50;font-size:14px}.intro-time b{display:block;color:var(--ink);font-size:15px;margin-bottom:3px}
.section{padding:82px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:30px}.section h2{margin:0;font-size:clamp(27px,3vw,38px);line-height:1.18;letter-spacing:-.045em}.section-intro{max-width:510px;margin:0;color:var(--muted);font-size:15px}.download-panel{position:relative;display:grid;grid-template-columns:.86fr 1.14fr;gap:58px;align-items:center;padding:46px 54px;border-radius:26px;background:var(--charcoal);overflow:hidden;color:#fff}.download-panel:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.09);border-radius:50%;right:-130px;top:-210px}.device-zone{position:relative;z-index:1;min-height:362px;display:grid;place-items:center}.phone{width:204px;height:358px;border:8px solid #111310;border-radius:30px;background:#e8e1d6;box-shadow:18px 21px 0 rgba(243,109,50,.72),0 25px 50px rgba(0,0,0,.3);padding:12px}.phone-notch{width:70px;height:12px;border-radius:0 0 10px 10px;background:#111310;margin:-12px auto 16px}.phone-screen{height:306px;border-radius:17px;background:linear-gradient(155deg,#f7783d,#ffb069 53%,#edebe0 53%);padding:21px 15px;color:#25231f}.screen-j9{font-size:43px;font-weight:900;letter-spacing:-.1em}.screen-card{padding:11px;border-radius:12px;background:rgba(255,253,248,.82);margin-top:83px;font-size:12px;font-weight:700}.screen-line{height:7px;border-radius:9px;background:#d6d1c5;margin-top:7px}.download-content{position:relative;z-index:1}.download-content .eyebrow{color:#ffc49b}.download-content h2{font-size:clamp(30px,3.6vw,46px);margin:13px 0}.download-content p{color:#d2d4ce;margin:0;max-width:540px}.download-meta{display:flex;gap:9px;flex-wrap:wrap;margin:24px 0}.meta-pill{padding:7px 10px;border:1px solid rgba(255,255,255,.19);border-radius:8px;background:rgba(255,255,255,.07);font-size:13px;color:#e1e3dd}.download-actions{display:flex;align-items:center;gap:17px;flex-wrap:wrap}.qr{width:77px;height:77px;padding:7px;background:#fff;border-radius:8px;display:grid;grid-template-columns:repeat(5,1fr);gap:3px}.qr i{background:#202320}.qr i:nth-child(2n),.qr i:nth-child(3n){background:transparent}
.download-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.method-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 9px 24px rgba(33,29,22,.04);transition:.2s}.method-card:hover{transform:translateY(-4px);border-color:#efb08d;box-shadow:var(--shadow)}.method-number{display:grid;place-items:center;width:38px;height:38px;background:#fff0e7;border-radius:11px;color:#c94e1a;font-size:14px;font-weight:800}.method-card h3{font-size:19px;margin:19px 0 8px}.method-card p{margin:0;color:var(--muted);font-size:14px}.method-card a{display:inline-flex;margin-top:18px;color:#c94e1a;font-size:14px;font-weight:800}.install-section{background:var(--soft)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #d9d1c3}.step{padding:25px 24px 14px;border-right:1px solid #d9d1c3}.step:last-child{border-right:0}.step b{display:block;color:var(--orange);font-size:13px;letter-spacing:.08em}.step h3{font-size:18px;margin:10px 0 7px}.step p{color:var(--muted);font-size:14px;margin:0}.version-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:40px;align-items:start}.version-note{padding:30px;border-radius:18px;background:#f7d9c9}.version-note h2{font-size:31px;margin:0 0 13px}.version-note p{color:#654d43;margin:0}.version-list{border-top:1px solid var(--line)}.version-row{display:grid;grid-template-columns:108px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.version-row b{color:var(--orange);font-size:15px}.version-row h3{margin:0;font-size:17px}.version-row p{margin:3px 0 0;color:var(--muted);font-size:13px}.version-row time{font-size:13px;color:#8d887e;white-space:nowrap}
.safety-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}.safety-panel{border-radius:20px;padding:34px;background:var(--teal);color:#fff}.safety-panel h2{font-size:32px;margin:0 0 13px}.safety-panel>p{color:#d4ebe6;margin:0 0 23px}.check-list{display:grid;gap:13px}.check-list div{display:flex;gap:11px;align-items:flex-start}.check-list i{width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:#cde5df;color:#17675f;display:grid;place-items:center;font-size:13px;font-style:normal;font-weight:900}.check-list span{font-size:14px}.support-panel{border:1px solid var(--line);border-radius:20px;background:var(--white);padding:34px}.support-panel h3{font-size:24px;margin:0 0 14px}.support-panel p{color:var(--muted);margin:0 0 22px}.support-links{display:grid;gap:10px}.support-links a{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);font-weight:700;font-size:14px}.support-links a:last-child{border:0}.support-links em{font-style:normal;color:var(--orange);font-size:20px}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:48px}.faq-side p{color:var(--muted);margin:15px 0 22px}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;padding:20px 0;background:none;border:0;text-align:left;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:16px;font-weight:800}.faq-question span:last-child{font-size:23px;color:var(--orange);font-weight:400}.faq-answer{display:none;padding:0 35px 20px 0;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.bottom-cta{padding:0 0 90px}.cta-box{border-radius:25px;background:var(--charcoal);color:#fff;padding:44px 52px;display:flex;justify-content:space-between;gap:35px;align-items:center}.cta-box h2{font-size:clamp(27px,3vw,39px);margin:0 0 9px;letter-spacing:-.045em}.cta-box p{color:#c8cac4;margin:0}.cta-box .btn{flex:0 0 auto}.footer{padding:57px 0 18px;background:#191b19;color:#d2d3ce}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:52px}.footer .brand{color:#fff;min-width:0}.footer p{max-width:350px;color:#aeb1aa;font-size:14px;margin:18px 0 0}.footer h3{font-size:14px;color:#fff;margin:6px 0 15px}.footer-links{display:grid;gap:9px}.footer-links a{color:#b8bab3;font-size:14px;transition:.2s}.footer-links a:hover{color:#ffad79}.copyright{margin-top:42px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;color:#858982;font-size:12px}
@media(max-width:1024px){.nav-wrap{gap:14px}.brand{min-width:205px}.nav a{padding:9px 7px;font-size:13px}.download-panel{padding:38px}.page-intro-grid,.version-wrap,.faq-layout{gap:30px}.section{padding:70px 0}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.nav-wrap{height:68px}.brand{min-width:0;font-size:14px}.brand small{display:none}.nav-tools .btn{display:none}.menu-toggle{display:block;margin-left:auto}.nav{display:none;position:absolute;left:16px;right:16px;top:68px;padding:10px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:11px}.page-intro{padding:34px 0 38px}.page-intro-grid,.download-panel,.version-wrap,.safety-grid,.faq-layout{grid-template-columns:1fr}.page-intro-grid{gap:22px}.download-panel{gap:22px;padding:30px 25px}.device-zone{min-height:310px;order:2}.phone{transform:scale(.88)}.download-methods{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid #d9d1c3}.version-row{grid-template-columns:90px 1fr}.version-row time{grid-column:2}.section{padding:58px 0}.section-head{display:block;margin-bottom:24px}.section-intro{margin-top:12px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.cta-box{padding:34px;display:block}.cta-box .btn{margin-top:22px}}
@media(max-width:520px){.container{width:min(calc(100% - 28px),var(--max))}.page-intro h1{font-size:35px}.page-intro p{font-size:15px}.download-content h2{font-size:31px}.download-actions{align-items:flex-start;flex-direction:column}.download-actions .btn{width:100%}.steps{grid-template-columns:1fr}.step,.step:nth-child(2){border-right:0;border-bottom:1px solid #d9d1c3}.step:last-child{border-bottom:0}.version-row{grid-template-columns:1fr;gap:5px}.version-row time{grid-column:auto}.safety-panel,.support-panel{padding:27px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin:5px 0}.cta-box{padding:28px}.cta-box .btn{width:100%}}

/* roulang page: category1 */
:root{--ink:#20201e;--muted:#6d6b65;--paper:#f8f6f0;--white:#fffdf8;--line:#e7e1d5;--orange:#f36d32;--orange-2:#ff9b54;--teal:#237c74;--charcoal:#202320;--soft:#f0ede5;--radius:18px;--shadow:0 16px 40px rgba(38,33,24,.08);--max:1220px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,253,248,.95);border-bottom:1px solid rgba(231,225,213,.9);backdrop-filter:blur(10px)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:228px;font-weight:800;letter-spacing:-.04em}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 6px 15px rgba(243,109,50,.25)}
    .brand small{display:block;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--muted)}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:8px;font-size:14px;color:#4e4b45;white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a.active{background:#fff0e7;color:#c94e1a}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(35,30,22,.13)}
    .btn:focus,a:focus,button:focus,input:focus{outline:3px solid rgba(243,109,50,.3);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#df5c24}
    .btn-dark{background:var(--charcoal);color:#fff}
    .btn-outline{border-color:#cfc7b9;color:var(--ink);background:transparent}
    .menu-toggle{display:none;border:0;background:none;font-size:23px}
    main{overflow:hidden}
    .crumbbar{padding:27px 0 0;color:var(--muted);font-size:13px}
    .crumbbar a:hover{color:var(--orange)}
    .intro{padding:30px 0 70px;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;color:#c65325;font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--orange);display:inline-block}
    h1{font-size:clamp(38px,5vw,62px);line-height:1.12;letter-spacing:-.065em;margin:16px 0 19px}
    .intro p{max-width:690px;color:var(--muted);font-size:17px;margin:0}
    .intro-note{border-left:4px solid var(--orange);padding:22px 25px;background:#fff4ec;border-radius:0 16px 16px 0}
    .intro-note strong{display:block;font-size:16px;margin-bottom:5px}
    .intro-note span{font-size:13px;color:var(--muted)}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
    h2{margin:0;font-size:clamp(27px,3vw,38px);line-height:1.18;letter-spacing:-.045em}
    .section-intro{max-width:490px;margin:0;color:var(--muted);font-size:15px}
    .filter-panel{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--white);box-shadow:0 8px 22px rgba(30,28,24,.035)}
    .filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
    .filter-tabs button{border:1px solid var(--line);border-radius:99px;background:var(--paper);padding:8px 15px;color:var(--muted);font-size:13px;transition:.2s}
    .filter-tabs button:hover,.filter-tabs button.active{background:var(--orange);border-color:var(--orange);color:#fff}
    .filter-date{color:var(--muted);font-size:13px;white-space:nowrap}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
    .news-list{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:12px 28px}
    .news-item{display:grid;grid-template-columns:86px 1fr auto;gap:22px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-date{font-size:13px;color:var(--muted)}
    .news-date b{display:block;color:var(--ink);font-size:23px;line-height:1.1}
    .tag{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border-radius:99px;background:#e5f1ee;color:#17675f;font-size:12px;font-weight:700}
    .news-item h3{font-size:18px;line-height:1.35;margin:8px 0 5px}
    .news-item h3 a:hover,.side-link:hover{color:var(--orange)}
    .news-item p{font-size:13px;color:var(--muted);margin:0}
    .read-link{color:var(--orange);font-size:13px;font-weight:700;white-space:nowrap}
    .side-card{background:var(--charcoal);color:#fff;border-radius:18px;padding:28px}
    .side-card h3{font-size:22px;margin:15px 0 18px}
    .side-link{display:block;padding:17px 0;border-top:1px solid rgba(255,255,255,.14);font-size:14px;transition:.2s}
    .side-link span{display:block;color:#aeb3ab;font-size:12px;margin-top:4px}
    .info-panel{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .info-card{padding:29px;border-radius:17px;background:#fff;border:1px solid var(--line)}
    .info-card.accent{background:#f7d9c9;border-color:#f7d9c9}
    .info-card h3{margin:0 0 11px;font-size:21px}
    .info-card p{margin:0;color:var(--muted);font-size:14px}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .topic-card{padding:25px;border-radius:16px;background:var(--white);border:1px solid var(--line);transition:.2s}
    .topic-card:hover{transform:translateY(-4px);border-color:#efb08d;box-shadow:var(--shadow)}
    .topic-number{font-size:13px;color:var(--orange);font-weight:800}
    .topic-card h3{font-size:18px;margin:14px 0 7px}
    .topic-card p{font-size:13px;color:var(--muted);margin:0}
    .faq-wrap{max-width:850px;margin:auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;background:none;border:0;text-align:left;padding:20px 4px;display:flex;justify-content:space-between;gap:20px;font-weight:700;color:var(--ink)}
    .faq-question span:last-child{color:var(--orange);font-size:22px;line-height:1;transition:.2s}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 38px 20px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--charcoal);color:#fff;border-radius:23px;padding:45px 50px;display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta h2{max-width:650px}
    .cta p{color:#c9ccc6;margin:10px 0 0;font-size:14px}
    .footer{background:var(--charcoal);color:#fff;padding:64px 0 22px;margin-top:0}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:50px}
    .footer .brand{color:#fff}
    .footer .brand small{color:#aeb3ab}
    .footer p{max-width:330px;color:#b5b9b2;font-size:14px;margin:20px 0 0}
    .footer h3{font-size:15px;margin:5px 0 17px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#b5b9b2;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#ffb184}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;color:#858b83;font-size:12px}
    @media(max-width:1024px){
      .nav-wrap{gap:14px}.brand{min-width:205px}.nav a{padding:9px 7px;font-size:13px}
      .intro{gap:35px}.news-layout{grid-template-columns:1fr}.side-card{display:grid;grid-template-columns:.7fr 1.3fr;gap:20px;align-items:start}.side-card h3{margin-top:0}.side-link:first-of-type{margin-top:0}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 34px),var(--max))}
      .nav-wrap{height:68px}.menu-toggle{display:block;margin-left:auto}
      .nav{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 17px;background:var(--white);border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(30,28,24,.08);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:12px 14px}
      .nav-tools .btn{min-height:39px;padding:0 12px;font-size:13px}
      .intro{grid-template-columns:1fr;padding:25px 0 48px;gap:25px}
      .section{padding:56px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .filter-panel{display:block}.filter-date{margin-top:13px}
      .news-list{padding:10px 18px}.news-item{grid-template-columns:65px 1fr;gap:14px;padding:20px 0}.read-link{grid-column:2}
      .info-panel,.topic-grid{grid-template-columns:1fr}.side-card{display:block}.side-card h3{margin:14px 0}
      .cta{display:block;padding:32px 25px}.cta .btn{margin-top:22px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      h1{font-size:38px}.intro p{font-size:15px}.filter-tabs{gap:6px}.filter-tabs button{padding:7px 11px}
      .news-item h3{font-size:16px}.news-item p{font-size:12px}.news-date b{font-size:20px}
      .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
      .copyright{display:block}.copyright span{display:block;margin-top:6px}
    }

/* roulang page: category3 */
:root{--ink:#20201e;--muted:#6d6b65;--paper:#f8f6f0;--white:#fffdf8;--line:#e7e1d5;--orange:#f36d32;--orange-2:#ff9b54;--teal:#237c74;--charcoal:#202320;--soft:#f0ede5;--radius:18px;--shadow:0 16px 40px rgba(38,33,24,.08);--max:1220px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,253,248,.94);border-bottom:1px solid rgba(231,225,213,.9);backdrop-filter:blur(10px)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:228px;font-weight:800;letter-spacing:-.04em}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 6px 15px rgba(243,109,50,.25)}
    .brand small{display:block;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--muted)}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:8px;font-size:14px;color:#4e4b45;white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a.active{background:#fff0e7;color:#c94e1a}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(35,30,22,.13)}
    .btn:focus,a:focus,button:focus{outline:3px solid rgba(243,109,50,.3);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#df5c24}
    .btn-dark{background:var(--charcoal);color:#fff}
    .btn-dark:hover{background:#353934}
    .btn-outline{border-color:#cfc7b9;color:var(--ink);background:transparent}
    .btn-outline:hover{background:#fff7f1;border-color:#e7a27e}
    .menu-toggle{display:none;border:0;background:none;font-size:23px;color:var(--ink)}
    main{overflow:hidden}
    .breadcrumb-wrap{padding:23px 0 0}
    .breadcrumb{display:flex;gap:9px;align-items:center;list-style:none;padding:0;margin:0;color:var(--muted);font-size:13px}
    .breadcrumb li+li:before{content:"/";margin-right:9px;color:#b4afa5}
    .breadcrumb a:hover{color:var(--orange)}
    .guide-intro{padding:34px 0 58px;position:relative}
    .guide-intro:after{content:"J9";position:absolute;right:2%;top:2px;font-size:160px;font-weight:800;letter-spacing:-.1em;color:#ebe6dc;z-index:-1;line-height:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#b84a1b;font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow i{display:inline-block;width:8px;height:8px;background:var(--orange);border-radius:50%}
    h1,h2,h3,p{overflow-wrap:break-word}
    .guide-intro h1{max-width:810px;margin:15px 0 16px;font-size:clamp(38px,5vw,59px);line-height:1.13;letter-spacing:-.065em}
    .guide-intro p{max-width:710px;margin:0;color:var(--muted);font-size:17px}
    .intro-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
    .meta-pill{padding:7px 11px;border:1px solid #ddd5c7;background:rgba(255,253,248,.78);border-radius:9px;font-size:13px;color:#5e5a52}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section h2{margin:0;font-size:clamp(27px,3vw,38px);line-height:1.18;letter-spacing:-.045em}
    .section-intro{max-width:490px;margin:0;color:var(--muted);font-size:15px}
    .guide-catalog{padding-top:0}
    .catalog-panel{background:var(--charcoal);color:#fff;border-radius:24px;padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}
    .catalog-panel h2{font-size:25px;margin:0 0 7px}
    .catalog-panel p{margin:0;color:#c9cbc4;font-size:14px}
    .catalog-tags{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}
    .catalog-tags span{border:1px solid rgba(255,255,255,.22);border-radius:99px;padding:8px 12px;font-size:13px;color:#f8f0e9}
    .catalog-tags span:first-child{border-color:var(--orange);background:rgba(243,109,50,.18);color:#ffbf9d}
    .strategy-area{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .strategy-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}
    .feature-guide{position:relative;min-height:390px;padding:38px;border-radius:21px;background:var(--teal);overflow:hidden;color:#fff;display:flex;flex-direction:column;justify-content:end}
    .feature-guide:before{content:"01";position:absolute;right:20px;top:-30px;font-size:165px;font-weight:800;line-height:1;color:rgba(255,255,255,.09)}
    .tag{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border-radius:99px;background:#e5f1ee;color:#17675f;font-size:12px;font-weight:700}
    .feature-guide .tag{background:#cde5df;color:#17675f;position:relative}
    .feature-guide h3{position:relative;font-size:31px;line-height:1.2;letter-spacing:-.045em;margin:17px 0 10px;max-width:470px}
    .feature-guide p{position:relative;color:#d4ebe6;margin:0 0 21px;max-width:450px}
    .feature-guide .btn{position:relative;width:max-content;background:#fff;color:#175a53}
    .article-list{border:1px solid var(--line);border-radius:20px;background:#fffdf9;padding:7px 24px}
    .article-row{display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:15px;padding:20px 0;border-bottom:1px solid var(--line)}
    .article-row:last-child{border-bottom:0}
    .article-no{color:var(--orange);font-weight:800;font-size:20px}
    .article-row h3{margin:0;font-size:17px;line-height:1.35}
    .article-row p{margin:4px 0 0;color:var(--muted);font-size:13px}
    .article-row a{color:var(--orange);font-size:20px;transition:transform .2s}
    .article-row:hover a{transform:translateX(4px)}
    .starter-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch}
    .starter-note{border-radius:20px;padding:32px;background:#f7d9c9}
    .starter-note h2{font-size:31px;margin:0 0 13px}
    .starter-note p{margin:0;color:#654d43}
    .starter-note .btn{margin-top:23px;background:#fffaf6;color:#a94219}
    .starter-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .guide-card{padding:24px;border-radius:17px;border:1px solid var(--line);background:var(--white);box-shadow:0 8px 20px rgba(38,33,24,.035);transition:transform .2s,box-shadow .2s,border-color .2s}
    .guide-card:hover{transform:translateY(-4px);border-color:#e8ad8b;box-shadow:var(--shadow)}
    .card-icon{width:39px;height:39px;display:grid;place-items:center;border-radius:11px;background:#fff0e7;color:#c94e1a;font-weight:800;margin-bottom:19px}
    .guide-card h3{font-size:18px;margin:0 0 7px}
    .guide-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
    .text-link{font-size:14px;font-weight:800;color:#c94e1a}
    .text-link:hover{color:var(--orange)}
    .advanced{padding-top:0}
    .advanced-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .advanced-card{min-height:247px;padding:26px;border-radius:18px;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;transition:.2s}
    .advanced-card:nth-child(2){background:#efece4}
    .advanced-card:nth-child(3){background:#fff3ec}
    .advanced-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .advanced-card h3{font-size:21px;line-height:1.28;margin:15px 0 9px}
    .advanced-card p{font-size:14px;color:var(--muted);margin:0}
    .advanced-card .text-link{margin-top:20px}
    .update-strip{padding:0 0 82px}
    .update-box{display:grid;grid-template-columns:.85fr 1.15fr;gap:35px;align-items:center;border:1px solid #d6e6e1;border-radius:21px;padding:31px 35px;background:#edf5f2}
    .update-box h2{font-size:29px;margin:0 0 9px}
    .update-box p{color:#426660;margin:0}
    .update-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .update-item{padding:15px 17px;border-radius:12px;background:#fffdf8;border-left:3px solid var(--teal)}
    .update-item b{display:block;font-size:13px;color:var(--teal)}
    .update-item span{display:block;margin-top:4px;font-size:13px;color:var(--muted)}
    .faq-section{background:var(--soft);border-top:1px solid var(--line)}
    .faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:55px}
    .faq-layout h2{font-size:36px;margin:0 0 14px}
    .faq-layout p{margin:0;color:var(--muted)}
    .faq-list{border-top:1px solid #d9d1c4}
    .faq-item{border-bottom:1px solid #d9d1c4}
    .faq-question{width:100%;padding:19px 3px;border:0;background:transparent;color:var(--ink);display:flex;justify-content:space-between;gap:20px;text-align:left;font-weight:800;font-size:16px}
    .faq-question span:last-child{font-size:22px;font-weight:400;color:var(--orange);transition:transform .2s}
    .faq-answer{display:none;padding:0 3px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .closing{padding:82px 0}
    .closing-box{position:relative;overflow:hidden;border-radius:23px;padding:43px 48px;background:var(--charcoal);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .closing-box:after{content:"J9";position:absolute;right:36px;bottom:-78px;color:rgba(255,255,255,.06);font-size:190px;font-weight:800;line-height:1;letter-spacing:-.1em}
    .closing-box h2{position:relative;z-index:1;font-size:clamp(28px,3.3vw,42px);margin:0 0 9px;letter-spacing:-.05em}
    .closing-box p{position:relative;z-index:1;margin:0;color:#c8cac4}
    .closing-actions{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap}
    .btn-ghost{color:#fff;border-color:#6c7069;background:transparent}
    .btn-ghost:hover{border-color:#bbc0b7;background:rgba(255,255,255,.07)}
    .footer{padding:60px 0 18px;background:#191b19;color:#eeeae1}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:45px}
    .footer .brand{color:#fff;min-width:0;width:max-content}
    .footer .brand small{color:#aaa99f}
    .footer p{max-width:340px;color:#b9b8af;font-size:14px;margin:17px 0 0}
    .footer h3{font-size:14px;margin:3px 0 15px;color:#fff}
    .footer-links{display:grid;gap:9px}
    .footer-links a{font-size:14px;color:#b9b8af;transition:color .2s}
    .footer-links a:hover{color:#ffad7c}
    .copyright{border-top:1px solid rgba(255,255,255,.11);padding-top:17px;display:flex;justify-content:space-between;gap:15px;color:#898b84;font-size:12px}
    @media(max-width:1024px){
      .nav-wrap{gap:13px}.brand{min-width:202px}.nav a{padding:9px 7px;font-size:13px}.strategy-layout,.starter-grid,.faq-layout{gap:20px}.footer-grid{gap:25px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .nav-wrap{height:68px;justify-content:space-between}.brand{min-width:0;font-size:14px}.brand small{font-size:9px}.brand-mark{width:34px;height:34px}
      .menu-toggle{display:block;order:3}.nav-tools .btn{display:none}
      .nav{display:none;position:absolute;left:16px;right:16px;top:68px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{font-size:15px;padding:11px 13px}
      .guide-intro{padding:30px 0 46px}.guide-intro:after{font-size:110px;top:35px}.guide-intro p{font-size:16px}
      .section{padding:58px 0}.section-head{display:block;margin-bottom:23px}.section-intro{margin-top:11px}
      .catalog-panel{display:block;padding:25px}.catalog-tags{justify-content:flex-start;margin-top:19px}
      .strategy-layout,.starter-grid,.faq-layout,.update-box{grid-template-columns:1fr}
      .feature-guide{min-height:315px}.article-list{padding:5px 18px}.starter-cards{grid-template-columns:repeat(2,1fr)}
      .advanced-grid{grid-template-columns:1fr}.advanced-card{min-height:200px}.update-strip{padding-bottom:58px}.update-list{grid-template-columns:1fr}
      .closing{padding:58px 0}.closing-box{display:block;padding:34px 28px}.closing-actions{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:34px}.footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .guide-intro h1{font-size:35px}.guide-intro p{font-size:15px}.intro-meta{gap:7px}.meta-pill{font-size:12px}
      .section h2{font-size:29px}.catalog-panel h2{font-size:23px}.catalog-tags span{font-size:12px;padding:7px 10px}
      .feature-guide{padding:27px;min-height:296px}.feature-guide h3{font-size:27px}
      .article-row{grid-template-columns:39px 1fr}.article-row>a{display:none}.article-row h3{font-size:16px}
      .starter-note{padding:27px}.starter-note h2{font-size:28px}.starter-cards{grid-template-columns:1fr}.guide-card{padding:21px}
      .faq-layout h2{font-size:30px}.closing-box h2{font-size:31px}.closing-actions{display:grid}.closing-actions .btn{width:100%}
      .footer{padding-top:48px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block}.copyright span+span{margin-top:4px}
    }

/* roulang page: category4 */
:root{--ink:#20201e;--muted:#6d6b65;--paper:#f8f6f0;--white:#fffdf8;--line:#e7e1d5;--orange:#f36d32;--orange-2:#ff9b54;--teal:#237c74;--charcoal:#202320;--soft:#f0ede5;--radius:18px;--shadow:0 16px 40px rgba(38,33,24,.08);--max:1220px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,253,248,.94);border-bottom:1px solid rgba(231,225,213,.9);backdrop-filter:blur(10px)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;min-width:228px;font-weight:800;letter-spacing:-.04em}
    .brand-mark{width:37px;height:37px;border-radius:11px;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 6px 15px rgba(243,109,50,.25)}
    .brand small{display:block;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--muted)}
    .nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav a{padding:10px 11px;border-radius:8px;font-size:14px;color:#4e4b45;white-space:nowrap;transition:.2s}
    .nav a:hover,.nav a.active{background:#fff0e7;color:#c94e1a}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 19px;border:1px solid transparent;border-radius:11px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(35,30,22,.13)}
    .btn:focus,a:focus,button:focus{outline:3px solid rgba(243,109,50,.3);outline-offset:3px}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#df5c24;color:#fff}
    .btn-dark{background:var(--charcoal);color:#fff}
    .btn-dark:hover{background:#343832;color:#fff}
    .btn-outline{border-color:#cfc7b9;color:var(--ink);background:transparent}
    .btn-outline:hover{background:#fff;color:var(--ink)}
    .menu-toggle{display:none;border:0;background:none;font-size:23px;color:var(--ink);padding:6px}
    main{overflow:hidden}
    .breadcrumb-wrap{padding:22px 0 0}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin:0;padding:0;list-style:none;color:var(--muted);font-size:13px}
    .breadcrumb li+li:before{content:"/";margin-right:9px;color:#b3ada2}
    .breadcrumb a:hover{color:var(--orange)}
    .page-intro{padding:34px 0 58px;position:relative}
    .page-intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#b94b1f;font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow i{display:block;width:8px;height:8px;border-radius:50%;background:var(--orange)}
    h1,h2,h3,p{overflow-wrap:anywhere}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.13;letter-spacing:-.06em;margin:15px 0 17px}
    .intro-copy{font-size:17px;color:var(--muted);max-width:680px;margin:0}
    .update-note{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:0 10px 28px rgba(38,33,24,.04)}
    .update-note b{display:block;font-size:14px;margin-bottom:7px}
    .update-note p{color:var(--muted);font-size:14px;margin:0}
    .section{padding:80px 0}
    .section.soft{background:var(--soft)}
    .section.dark{background:var(--charcoal);color:#fff}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:clamp(27px,3vw,38px);line-height:1.18;letter-spacing:-.045em;margin:0}
    .section-intro{max-width:500px;margin:0;color:var(--muted);font-size:15px}
    .dark .section-intro{color:#c5c7c0}
    .tag{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border-radius:999px;background:#e4f1ed;color:#17675f;font-size:12px;font-weight:800}
    .security-overview{display:grid;grid-template-columns:.86fr 1.14fr;gap:24px;align-items:stretch}
    .security-state{background:var(--teal);color:#fff;border-radius:22px;padding:35px;position:relative;overflow:hidden;min-height:350px}
    .security-state:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(255,255,255,.22);border-radius:50%;right:-66px;bottom:-105px}
    .shield{width:74px;height:80px;clip-path:polygon(50% 0,93% 17%,87% 68%,50% 100%,13% 68%,7% 17%);background:#f6a56e;display:grid;place-items:center;color:#3c291e;font-size:30px;font-weight:900;margin-bottom:34px}
    .security-state h2{font-size:32px;line-height:1.22;margin:0 0 13px;max-width:330px}
    .security-state p{margin:0;color:#d5ebe6;max-width:390px}
    .protect-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .protect-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px;min-height:167px;transition:.22s}
    .protect-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#efb08d}
    .icon-box{width:42px;height:42px;border-radius:12px;background:#fff0e7;color:#cc511d;display:grid;place-items:center;font-size:20px;font-weight:800;margin-bottom:17px}
    .protect-card h3{font-size:17px;margin:0 0 7px}
    .protect-card p{font-size:14px;color:var(--muted);margin:0}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scenario-card{background:var(--white);border:1px solid var(--line);border-radius:17px;padding:25px;transition:.22s}
    .scenario-card:hover{border-color:#df9c77;box-shadow:0 12px 28px rgba(38,33,24,.07)}
    .scenario-number{display:block;font-size:13px;font-weight:800;color:var(--orange);margin-bottom:35px}
    .scenario-card h3{font-size:20px;margin:0 0 9px}
    .scenario-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
    .article-link{display:inline-flex;align-items:center;gap:7px;color:#bd4a1c;font-weight:800;font-size:14px}
    .article-link:hover{color:#8f3512}
    .guide-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
    .guide-panel{padding:31px;border-radius:20px;background:#f8d8c7}
    .guide-panel .tag{background:#fff3eb;color:#b54819}
    .guide-panel h2{font-size:32px;line-height:1.22;margin:17px 0 12px}
    .guide-panel p{color:#684d42;margin:0 0 24px}
    .guide-list{border-top:1px solid var(--line)}
    .guide-row{display:grid;grid-template-columns:48px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .guide-row strong{color:var(--orange);font-size:21px}
    .guide-row h3{margin:0 0 3px;font-size:17px}
    .guide-row p{margin:0;color:var(--muted);font-size:14px}
    .arrow{font-size:22px;color:var(--orange)}
    .check-layout{display:grid;grid-template-columns:1fr .93fr;gap:25px}
    .check-card{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:32px}
    .check-card h2{font-size:28px;margin:0 0 20px}
    .check-list{display:grid;gap:14px}
    .check-list div{display:flex;gap:12px;align-items:flex-start;font-size:15px}
    .check-list i{width:23px;height:23px;flex:0 0 23px;border-radius:50%;background:#dceee9;color:#17675f;display:grid;place-items:center;font-style:normal;font-size:13px;font-weight:900;margin-top:1px}
    .notice-card{background:#2b2e2a;border-radius:20px;padding:32px;color:#fff}
    .notice-card h2{font-size:28px;line-height:1.25;margin:0 0 14px}
    .notice-card p{color:#c9cbc5;margin:0 0 22px}
    .notice-list{padding:0;margin:0;list-style:none;display:grid;gap:13px}
    .notice-list li{padding-top:13px;border-top:1px solid rgba(255,255,255,.12);font-size:14px;color:#e4e5df}
    .notice-list b{color:#ffc49b}
    .faq-wrap{max-width:920px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;text-align:left;border:0;background:transparent;padding:21px 0;color:var(--ink);font-size:17px;font-weight:800}
    .faq-question span:last-child{font-size:25px;color:var(--orange);font-weight:400;transition:.2s}
    .faq-answer{display:none;padding:0 42px 21px 0;color:var(--muted);font-size:15px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .help-banner{background:linear-gradient(125deg,#f36d32,#ed8350);border-radius:22px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:#fff}
    .help-banner h2{font-size:34px;line-height:1.2;margin:0 0 10px;letter-spacing:-.045em}
    .help-banner p{margin:0;color:#fff1e8;max-width:620px}
    .help-banner .btn{background:var(--charcoal);color:#fff;white-space:nowrap}
    .help-banner .btn:hover{background:#111310}
    .footer{background:#191b19;color:#f0eee9;padding:59px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:50px;padding-bottom:38px}
    .footer .brand{color:#fff;min-width:0;margin-bottom:16px}
    .footer .brand small{color:#aeb0aa}
    .footer p{color:#aeb0aa;font-size:14px;max-width:360px;margin:0}
    .footer h3{font-size:14px;color:#fff;margin:5px 0 14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#b9bbb5;font-size:14px;transition:.2s}
    .footer-links a:hover{color:#ffab79}
    .copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;color:#8f928b;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:1024px){
      .nav-wrap{gap:14px}.brand{min-width:204px}.nav a{padding:9px 8px;font-size:13px}
      .page-intro-grid,.guide-layout{grid-template-columns:1fr}.security-overview{grid-template-columns:1fr}
      .scenario-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .nav-wrap{height:68px;justify-content:space-between}.brand{min-width:0;font-size:14px}.brand-mark{width:34px;height:34px}
      .menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--white);padding:12px 16px 17px;border-bottom:1px solid var(--line);box-shadow:0 14px 25px rgba(38,33,24,.08);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{font-size:15px;padding:11px 12px}.nav-tools .btn{padding:0 12px;min-height:39px;font-size:13px}
      .page-intro{padding:26px 0 45px}.section{padding:60px 0}.section-head{display:block;margin-bottom:24px}.section-intro{margin-top:12px}
      .protect-grid,.check-layout{grid-template-columns:1fr}.scenario-grid{grid-template-columns:1fr}.guide-row{grid-template-columns:39px 1fr auto}
      .help-banner{padding:34px 27px;display:block}.help-banner .btn{margin-top:23px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      h1{font-size:36px}.intro-copy{font-size:16px}.update-note{padding:18px}
      .nav-tools .btn{font-size:0;width:42px;padding:0}.nav-tools .btn:before{content:"↓";font-size:19px}
      .security-state,.check-card,.notice-card,.guide-panel{padding:25px}.security-state h2,.guide-panel h2{font-size:28px}
      .protect-card{padding:20px}.guide-row{gap:11px}.guide-row p{font-size:13px}
      .faq-question{font-size:16px;padding:18px 0}.faq-answer{padding-right:12px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block}.copyright span+span{margin-top:4px}
    }