/* roulang page: index */
:root{
  --purple:#3b285e;
  --purple-deep:#291a48;
  --purple-soft:#efedf6;
  --mint:#b8e3c1;
  --lime:#a9d96c;
  --ink:#26222d;
  --muted:#716b7c;
  --light:#9892a1;
  --paper:#f7f6f2;
  --white:#ffffff;
  --line:#e4e0e9;
  --shadow:0 16px 40px rgba(55,37,88,.10);
  --shadow-sm:0 8px 22px rgba(55,37,88,.08);
  --radius:18px;
  --radius-lg:28px;
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
::selection{background:var(--mint);color:var(--purple-deep)}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.section{padding:88px 0}
.section-soft{background:var(--purple-soft)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:28px;height:3px;border-radius:20px;background:var(--lime)}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-weight:800;letter-spacing:-.035em;line-height:1.28}
h2{font-size:clamp(27px,3.2vw,42px);margin-bottom:10px}
h3{font-size:20px;margin-bottom:8px}
.section-desc{margin:0;color:var(--muted);max-width:620px}
.btn{min-height:48px;padding:11px 20px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border .2s ease}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(169,217,108,.75);outline-offset:3px}
.btn-primary{color:#fff;background:var(--purple);box-shadow:0 8px 18px rgba(59,40,94,.22)}
.btn-primary:hover{background:var(--purple-deep);box-shadow:0 12px 25px rgba(59,40,94,.28)}
.btn-outline{color:var(--purple);border:1px solid rgba(59,40,94,.32);background:rgba(255,255,255,.7)}
.btn-outline:hover{background:var(--purple-soft);border-color:var(--purple)}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;font-size:12px;line-height:1.4;font-weight:800;color:var(--purple);background:#e9e5f0}
.badge-mint{background:#ddf0df;color:#285e43}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,246,242,.92);border-bottom:1px solid rgba(228,224,233,.85);backdrop-filter:blur(16px)}
.navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:260px}
.brand-mark{width:38px;height:38px;border-radius:13px;background:var(--purple);display:grid;place-items:center;color:var(--mint);font-size:20px;font-weight:900;box-shadow:inset 0 -5px 0 rgba(0,0,0,.12)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;color:var(--purple)}
.brand-text small{font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:9px 13px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:700;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--purple);background:var(--purple-soft)}
.nav-links a.active{box-shadow:inset 0 -2px 0 var(--purple)}
.nav-action{white-space:nowrap;min-height:42px;padding:9px 16px}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--purple);font-size:20px}
.hero{padding:68px 0 54px;overflow:hidden;background:linear-gradient(135deg,#f7f6f2 0%,#f7f6f2 52%,#efedf4 100%)}
.hero-wrap{position:relative;padding:58px;min-height:520px;border-radius:var(--radius-lg);overflow:hidden;background:var(--purple);color:#fff;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:50px;box-shadow:var(--shadow)}
.hero-wrap:before{content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(184,227,193,.26);border-radius:50%;right:-160px;top:-210px}
.hero-wrap:after{content:"";position:absolute;width:340px;height:340px;border:40px solid rgba(184,227,193,.08);border-radius:50%;left:38%;bottom:-245px}
.hero-copy,.portal-visual{position:relative;z-index:1}
.hero .eyebrow{color:var(--mint)}
.hero .eyebrow:before{background:var(--lime)}
.hero h1{font-size:clamp(37px,5vw,64px);margin:14px 0 18px;max-width:700px}
.hero p{max-width:600px;color:rgba(255,255,255,.78);font-size:17px;line-height:1.9;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-outline{color:#fff;border-color:rgba(255,255,255,.38);background:rgba(255,255,255,.08)}
.hero .btn-outline:hover{background:rgba(255,255,255,.16)}
.portal-visual{min-height:355px;display:flex;justify-content:center;align-items:center}
.portal-frame{width:min(100%,365px);padding:15px;border-radius:26px;background:rgba(255,255,255,.96);color:var(--ink);box-shadow:0 26px 55px rgba(12,7,25,.3);transform:rotate(3deg)}
.frame-top{display:flex;align-items:center;justify-content:space-between;padding:4px 5px 16px}
.dotset{display:flex;gap:5px}.dotset i{width:7px;height:7px;border-radius:50%;background:#d6cfdf}.dotset i:first-child{background:var(--lime)}
.frame-brand{font-size:12px;font-weight:900;color:var(--purple)}
.frame-panel{padding:20px;border-radius:17px;background:linear-gradient(135deg,#f0edf7,#fff)}
.frame-panel b{display:block;font-size:21px;color:var(--purple);line-height:1.3}
.frame-panel span{font-size:12px;color:var(--muted)}
.frame-line{height:10px;background:#ded8e9;border-radius:99px;margin-top:18px}.frame-line.short{width:65%;background:var(--mint)}
.frame-cells{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.frame-cells div{min-height:72px;padding:12px;border-radius:12px;background:#fff;border:1px solid #e8e3ef;font-size:12px;font-weight:800;color:var(--purple)}
.frame-cells em{display:block;font-style:normal;color:var(--light);font-size:11px;font-weight:500;margin-top:4px}
.quickbar{padding:0 0 38px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.quick-item{padding:18px 17px;border:1px solid var(--line);border-radius:15px;background:#fff;display:flex;gap:12px;align-items:center;transition:.2s}
.quick-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#cfc5db}
.quick-icon{width:39px;height:39px;flex:0 0 39px;display:grid;place-items:center;border-radius:12px;background:var(--purple-soft);color:var(--purple);font-weight:900}
.quick-item strong{display:block;font-size:14px;line-height:1.3}.quick-item span{display:block;color:var(--muted);font-size:12px;line-height:1.45;margin-top:3px}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:34px}
.path-item{position:relative;padding:0 29px 0 0}
.path-item:not(:last-child):after{content:"";position:absolute;top:24px;right:3px;width:22px;height:1px;background:#cfc7d8}
.path-num{width:49px;height:49px;display:grid;place-items:center;margin-bottom:17px;border-radius:16px;background:var(--mint);color:var(--purple-deep);font-weight:900}
.path-item p{font-size:14px;color:var(--muted);margin:0}
.feature-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-template-rows:1fr 1fr;gap:16px}
.feature-card{padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;min-height:176px;transition:.24s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.feature-card.large{grid-row:span 2;background:var(--purple);color:#fff;display:flex;flex-direction:column;justify-content:flex-end;min-height:368px;overflow:hidden;position:relative}
.feature-card.large:before{content:"01";position:absolute;right:20px;top:-20px;color:rgba(184,227,193,.2);font-size:150px;font-weight:900;line-height:1}
.feature-card.large p{color:rgba(255,255,255,.72)}
.feature-card p{font-size:14px;color:var(--muted);margin-bottom:0}
.feature-symbol{font-size:28px;color:var(--purple);line-height:1;margin-bottom:26px}
.download-area{background:var(--purple-deep);padding:82px 0;color:#fff;overflow:hidden}
.download-grid{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:80px}
.device{width:260px;height:470px;margin:auto;padding:15px;border:8px solid #171020;border-radius:42px;background:#f8f7f4;box-shadow:25px 28px 0 rgba(184,227,193,.15)}
.device-notch{height:19px;width:100px;border-radius:0 0 14px 14px;background:#171020;margin:-15px auto 20px}
.device-screen{height:402px;padding:20px;border-radius:24px;background:linear-gradient(145deg,#e7e2ef,#fff)}
.device-screen b{font-size:18px;color:var(--purple)}.device-screen small{display:block;color:var(--muted);margin-top:2px}
.device-card{margin-top:23px;padding:16px;border-radius:16px;background:var(--purple);color:#fff}.device-card span{font-size:12px;color:var(--mint)}.device-card strong{display:block;font-size:25px;margin-top:6px}
.device-list{margin-top:18px;display:grid;gap:8px}.device-list i{height:8px;border-radius:20px;background:#dcd6e6}.device-list i:nth-child(2){width:77%}.device-list i:nth-child(3){width:55%}
.download-copy .eyebrow{color:var(--mint)}.download-copy h2{margin-top:12px}.download-copy p{color:rgba(255,255,255,.72);max-width:530px}
.download-steps{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}.download-step{padding:8px 11px;border:1px solid rgba(255,255,255,.18);border-radius:9px;color:rgba(255,255,255,.84);font-size:13px}.download-step b{color:var(--mint);margin-right:5px}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mobile-panel{padding:34px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.mobile-panel.dark{background:#e2eedb;border-color:#cce0c9}
.check-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}.check-list li{padding-left:27px;position:relative;color:var(--muted);font-size:14px}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:#39744b;font-weight:900}
.news-layout{display:grid;grid-template-columns:.76fr 1.24fr;gap:50px;align-items:start}
.news-intro{position:sticky;top:104px}.news-intro p{color:var(--muted)}.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-item:hover{padding-left:10px}.news-date{font-size:13px;color:var(--muted);font-weight:700}.news-date b{display:block;color:var(--purple);font-size:25px;line-height:1.1}
.news-body h3{font-size:18px;margin:0 0 5px}.news-body p{font-size:13px;line-height:1.6;color:var(--muted);margin:0}
.arrow-link{width:39px;height:39px;display:grid;place-items:center;border-radius:50%;background:var(--purple-soft);color:var(--purple);font-size:20px;transition:.2s}.news-item:hover .arrow-link{background:var(--purple);color:#fff}
.empty-state{padding:42px 24px;text-align:center;border:1px dashed #c9c0d2;border-radius:var(--radius);color:var(--muted);background:#fff}
.timeline{margin-top:34px;border-left:2px solid #d6d0df;padding-left:28px;display:grid;gap:25px}
.timeline-item{position:relative}.timeline-item:before{content:"";position:absolute;width:12px;height:12px;left:-35px;top:7px;border-radius:50%;background:var(--lime);border:3px solid var(--paper)}.timeline-item h3{font-size:17px;margin-bottom:3px}.timeline-item p{margin:0;color:var(--muted);font-size:14px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.guide-card{position:relative;padding:28px 25px 25px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.guide-card span{display:block;color:var(--purple);font-size:36px;font-weight:900;opacity:.2;line-height:1;margin-bottom:24px}.guide-card p{color:var(--muted);font-size:14px;margin:0}
.notice-band{padding:32px 38px;border-radius:var(--radius);background:linear-gradient(110deg,#e4f1dc,#f9fbf4);border:1px solid #cfe3cf;display:flex;gap:25px;align-items:flex-start}
.notice-mark{width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;border-radius:50%;background:#39744b;color:#fff;font-weight:900}.notice-band h3{margin:0 0 5px}.notice-band p{margin:0;color:#4d6253;font-size:14px}
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.matrix-card{display:block;padding:25px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);transition:.22s}
.matrix-card:hover{border-color:var(--purple);box-shadow:var(--shadow-sm);transform:translateY(-3px)}.matrix-card strong{display:block;font-size:19px;color:var(--purple);margin-bottom:8px}.matrix-card span{color:var(--muted);font-size:14px}
.faq-wrap{max-width:900px;margin:0 auto}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;padding:21px 4px;border:0;background:transparent;display:flex;justify-content:space-between;gap:20px;text-align:left;color:var(--ink);font-weight:800;font-size:16px}.faq-question i{font-style:normal;color:var(--purple);font-size:22px;transition:.2s}.faq-answer{display:none;padding:0 40px 21px 4px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question i{transform:rotate(45deg)}
.final-cta{padding:68px 0}.cta-box{padding:48px 55px;border-radius:var(--radius-lg);background:var(--purple);color:#fff;display:flex;justify-content:space-between;gap:35px;align-items:center}.cta-box h2{margin:0 0 8px}.cta-box p{margin:0;color:rgba(255,255,255,.75)}.cta-box .btn-primary{background:var(--lime);color:var(--purple-deep);box-shadow:none}.cta-box .btn-primary:hover{background:#c2e58b}
.info-strip{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}.info-cell{padding:24px 27px;border-right:1px solid var(--line)}.info-cell:last-child{border-right:0}.info-cell b{display:block;font-size:14px;color:var(--purple);margin-bottom:4px}.info-cell span{color:var(--muted);font-size:13px}
.site-footer{padding:65px 0 24px;background:#211832;color:rgba(255,255,255,.72)}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:55px;padding-bottom:46px}.footer-brand{color:#fff;font-size:19px;font-weight:900}.footer-brand span{display:block;font-size:13px;color:var(--mint);margin-top:7px}.footer-copy{font-size:13px;line-height:1.8;max-width:390px;margin:17px 0 0}.footer-col h3{font-size:14px;letter-spacing:.05em;color:#fff;margin-bottom:14px}.footer-col a{display:block;font-size:13px;margin:9px 0;color:rgba(255,255,255,.68);transition:.2s}.footer-col a:hover{color:var(--mint);padding-left:3px}.footer-bottom{padding-top:20px;border-top:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.48)}
@media(max-width:1024px){.hero-wrap{padding:45px;gap:25px}.feature-grid{grid-template-columns:1.1fr .9fr}.feature-card.large{grid-row:span 2}.quick-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.navbar{height:70px}.brand{min-width:0}.brand-text small{display:none}.nav-action{display:none}.menu-toggle{display:grid;place-items:center}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;padding:14px 16px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px}.hero{padding:28px 0}.hero-wrap{min-height:0;padding:36px 26px;grid-template-columns:1fr}.hero h1{font-size:38px}.portal-visual{min-height:270px}.portal-frame{width:285px}.quickbar{padding-bottom:22px}.path-grid{grid-template-columns:1fr 1fr;gap:26px}.path-item:not(:last-child):after{display:none}.feature-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}.feature-card.large{grid-row:auto;grid-column:span 2;min-height:250px}.download-grid,.news-layout{grid-template-columns:1fr;gap:35px}.download-area{padding:62px 0}.news-intro{position:static}.mobile-grid,.guide-grid{grid-template-columns:1fr}.matrix{grid-template-columns:1fr}.section{padding:62px 0}.section-head{display:block}.section-head .section-desc{margin-top:10px}.cta-box{padding:35px 27px;display:block}.cta-box .btn{margin-top:22px}.info-strip{grid-template-columns:1fr}.info-cell{border-right:0;border-bottom:1px solid var(--line)}.info-cell:last-child{border-bottom:0}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:span 2}}
@media(max-width:520px){body{font-size:15px}.hero h1{font-size:32px}.hero p{font-size:15px}.hero-actions .btn{width:100%}.quick-grid{grid-template-columns:1fr}.path-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}.feature-card.large{grid-column:auto}.news-item{grid-template-columns:72px 1fr;gap:13px}.news-item .arrow-link{display:none}.news-date b{font-size:20px}.news-body h3{font-size:16px}.notice-band{padding:24px;gap:15px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.device{transform:scale(.9);margin:-20px auto}.section-head{margin-bottom:25px}}

/* roulang page: article */
:root{
      --purple:#3b285e;
      --purple-deep:#291a48;
      --purple-soft:#efedf6;
      --mint:#b8e3c1;
      --lime:#a9d96c;
      --ink:#26222d;
      --muted:#716b7c;
      --light:#9892a1;
      --paper:#f7f6f2;
      --white:#fff;
      --line:#e4e0e9;
      --shadow:0 16px 40px rgba(55,37,88,.10);
      --shadow-sm:0 8px 22px rgba(55,37,88,.08);
      --radius:18px;
      --radius-lg:28px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;height:auto;display:block}
    button{font:inherit;cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,246,242,.94);border-bottom:1px solid rgba(228,224,233,.9);backdrop-filter:blur(16px)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:260px}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--purple);display:grid;place-items:center;color:var(--mint);font-size:20px;font-weight:900;box-shadow:inset 0 -5px 0 rgba(0,0,0,.12)}
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-text strong{font-size:17px;color:var(--purple)}
    .brand-text small{font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.04em}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{padding:9px 13px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:700;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--purple);background:var(--purple-soft)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--purple)}
    .nav-action{white-space:nowrap;min-height:42px;padding:9px 16px!important;color:#fff!important;background:var(--purple)!important;border-radius:10px!important}
    .nav-action:hover{background:var(--purple-deep)!important;transform:translateY(-2px)}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--purple);font-size:20px}
    .article-hero{padding:70px 0 58px;background:linear-gradient(135deg,#f7f6f2 0%,#f7f6f2 58%,#efedf4 100%);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:var(--light);font-size:13px;margin-bottom:25px}
    .breadcrumb a{color:var(--purple);font-weight:700}
    .breadcrumb span{color:#b2acb9}
    .article-heading{max-width:900px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:13px;font-weight:800;letter-spacing:.06em}
    .eyebrow:before{content:"";width:28px;height:3px;border-radius:20px;background:var(--lime)}
    .article-heading h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-.03em;margin:15px 0 20px;color:var(--purple-deep);overflow-wrap:anywhere}
    .article-summary{max-width:780px;color:var(--muted);font-size:17px;margin:0 0 25px}
    .meta-line{display:flex;align-items:center;flex-wrap:wrap;gap:12px;color:var(--light);font-size:13px}
    .badge{display:inline-flex;align-items:center;padding:4px 11px;border-radius:99px;font-size:12px;line-height:1.4;font-weight:800;color:var(--purple);background:#e9e5f0}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 260px;gap:68px;align-items:start;padding:72px 0 88px}
    .article-content{min-width:0;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(25px,5vw,58px);box-shadow:var(--shadow-sm)}
    .article-content h2{font-size:29px;line-height:1.35;color:var(--purple-deep);margin:38px 0 17px}
    .article-content h3{font-size:22px;line-height:1.45;color:var(--purple);margin:30px 0 13px}
    .article-content p{margin:0 0 21px;color:#403b49}
    .article-content ul,.article-content ol{padding-left:1.5em;margin:0 0 24px;color:#403b49}
    .article-content li{margin:7px 0}
    .article-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--lime);background:#f0f6ed;color:var(--purple-deep);border-radius:0 13px 13px 0}
    .article-content table{width:100%;border-collapse:collapse;margin:25px 0;display:block;overflow-x:auto}
    .article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
    .article-content th{background:var(--purple-soft);color:var(--purple)}
    .article-content img{border-radius:14px;margin:25px auto}
    .article-content a{color:var(--purple);text-decoration:underline;text-decoration-color:var(--mint);text-underline-offset:3px}
    .empty-state{text-align:center;padding:45px 15px;color:var(--muted)}
    .empty-state strong{display:block;color:var(--purple);font-size:22px;margin-bottom:8px}
    .side-stack{position:sticky;top:104px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;margin-bottom:16px}
    .side-card h2{font-size:17px;color:var(--purple-deep);margin:0 0 14px}
    .side-card p{font-size:14px;color:var(--muted);margin:0}
    .side-list{list-style:none;margin:0;padding:0}
    .side-list li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}
    .side-list li:last-child{border-bottom:0}
    .reading-note{display:flex;gap:13px;align-items:flex-start;margin-top:28px;padding:18px 20px;border-radius:14px;background:#eef7ed;border:1px solid #d7ead4;color:#42634c;font-size:14px}
    .reading-note b{color:var(--purple)}
    .related-section{padding:78px 0;background:var(--purple-soft)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}
    .section-head h2{font-size:30px;color:var(--purple-deep);margin:10px 0 0}
    .section-desc{margin:0;color:var(--muted);max-width:570px}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .related-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.22s}
    .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#cfc5db}
    .related-card h3{font-size:18px;color:var(--purple-deep);margin:14px 0 9px}
    .related-card p{color:var(--muted);font-size:14px;margin:0}
    .card-arrow{display:inline-block;margin-top:18px;color:var(--purple);font-weight:800;font-size:14px}
    .article-cta{padding:68px 0;background:var(--purple-deep);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner h2{font-size:32px;margin:0 0 8px}
    .cta-inner p{color:rgba(255,255,255,.72);margin:0}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{min-height:48px;padding:11px 20px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;line-height:1.2;transition:transform .2s,box-shadow .2s,background .2s,border .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,.nav-links a:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(169,217,108,.75);outline-offset:3px}
    .btn-primary{color:#fff;background:var(--purple);box-shadow:0 8px 18px rgba(59,40,94,.22)}
    .btn-primary:hover{background:#21133b;box-shadow:0 12px 25px rgba(0,0,0,.25)}
    .btn-light{color:var(--purple);background:#fff}
    .btn-light:hover{background:var(--mint)}
    .site-footer{padding:58px 0 22px;background:#211936;color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:50px;padding-bottom:42px}
    .footer-brand{font-weight:900;font-size:18px;color:#fff}
    .footer-brand span{display:block;color:var(--mint);font-size:12px;font-weight:700;margin-top:7px}
    .footer-copy{max-width:410px;color:rgba(255,255,255,.6);font-size:14px;margin:16px 0 0}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:15px;margin:0 0 9px;color:var(--mint)}
    .footer-col a{font-size:14px;color:rgba(255,255,255,.67);transition:.2s}
    .footer-col a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding-top:20px;border-top:1px solid rgba(255,255,255,.13);font-size:12px;color:rgba(255,255,255,.48)}
    @media (max-width:1024px){
      .brand{min-width:auto}
      .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:30px}
      .nav-links a{padding-left:9px;padding-right:9px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .navbar{height:70px}
      .brand-text strong{font-size:15px}
      .brand-text small{font-size:10px}
      .nav-action{display:none}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:78px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .article-hero{padding:45px 0 40px}
      .article-layout{display:block;padding:42px 0 60px}
      .side-stack{position:static;margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
      .side-card{margin:0}
      .related-grid{grid-template-columns:1fr}
      .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){
      .article-heading h1{font-size:34px}
      .article-summary{font-size:15px}
      .article-content{padding:23px 19px;border-radius:18px}
      .article-content h2{font-size:25px}
      .article-content h3{font-size:20px}
      .side-stack{display:block}
      .side-card{margin-bottom:14px}
      .section-head h2,.cta-inner h2{font-size:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:6px}
    }

/* roulang page: category1 */
:root{
      --purple:#3b285e;
      --purple-deep:#291a48;
      --purple-soft:#efedf6;
      --mint:#b8e3c1;
      --lime:#a9d96c;
      --ink:#26222d;
      --muted:#716b7c;
      --light:#9892a1;
      --paper:#f7f6f2;
      --white:#ffffff;
      --line:#e4e0e9;
      --shadow:0 16px 40px rgba(55,37,88,.10);
      --shadow-sm:0 8px 22px rgba(55,37,88,.08);
      --radius:18px;
      --radius-lg:28px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .section{padding:84px 0}
    .section-soft{background:var(--purple-soft)}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:clamp(26px,3vw,38px);line-height:1.35;color:var(--purple);font-weight:850}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:3px;border-radius:20px;background:var(--lime)}
    .section-desc{margin:0;color:var(--muted);max-width:620px}
    .btn{min-height:48px;padding:11px 20px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border .2s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(169,217,108,.75);outline-offset:3px}
    .btn-primary{color:#fff;background:var(--purple);border:1px solid var(--purple);box-shadow:0 8px 18px rgba(59,40,94,.22)}
    .btn-primary:hover{background:var(--purple-deep);border-color:var(--purple-deep);box-shadow:0 12px 25px rgba(59,40,94,.28)}
    .btn-outline{color:var(--purple);border:1px solid rgba(59,40,94,.32);background:rgba(255,255,255,.72)}
    .btn-outline:hover{background:var(--purple-soft);border-color:var(--purple)}
    .badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;font-size:12px;line-height:1.4;font-weight:800;color:var(--purple);background:#e9e5f0}
    .badge-mint{background:#ddf0df;color:#285e43}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,246,242,.92);border-bottom:1px solid rgba(228,224,233,.85);backdrop-filter:blur(16px)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:260px}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--purple);display:grid;place-items:center;color:var(--mint);font-size:20px;font-weight:900;box-shadow:inset 0 -5px 0 rgba(0,0,0,.12)}
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-text strong{font-size:17px;color:var(--purple)}
    .brand-text small{font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.04em}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{padding:9px 13px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:700;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--purple);background:var(--purple-soft)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--purple)}
    .nav-action{white-space:nowrap;min-height:42px;padding:9px 16px}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--purple);font-size:20px}
    .page-banner{padding:54px 0 47px;background:linear-gradient(125deg,#efedf6 0%,#f7f6f2 56%,#e6f0df 100%);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;padding:0;color:var(--muted);font-size:14px;list-style:none}
    .breadcrumb li+li:before{content:"/";margin-right:8px;color:#aaa3b2}
    .breadcrumb a{transition:color .2s}
    .breadcrumb a:hover{color:var(--purple)}
    .page-banner-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:55px;align-items:end}
    .page-banner h1{margin:10px 0 14px;font-size:clamp(34px,4.4vw,56px);line-height:1.23;letter-spacing:-.04em;color:var(--purple);font-weight:900}
    .page-banner p{max-width:700px;margin:0;color:var(--muted);font-size:17px}
    .banner-note{padding:22px 24px;border:1px solid rgba(59,40,94,.12);border-radius:var(--radius);background:rgba(255,255,255,.7);box-shadow:var(--shadow-sm)}
    .banner-note strong{display:block;margin-bottom:5px;color:var(--purple);font-size:16px}
    .banner-note span{color:var(--muted);font-size:14px;line-height:1.6}
    .notice-strip{display:grid;grid-template-columns:44px 1fr auto;gap:17px;align-items:center;padding:20px 24px;border:1px solid #d9e8d8;border-radius:var(--radius);background:#f6fbf4}
    .notice-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:14px;background:var(--mint);color:#285e43;font-size:21px;font-weight:900}
    .notice-strip strong{display:block;color:var(--ink);font-size:16px}
    .notice-strip p{margin:2px 0 0;color:var(--muted);font-size:14px}
    .entry-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:stretch}
    .entry-summary{padding:34px;border-radius:var(--radius-lg);background:var(--purple);color:#fff;position:relative;overflow:hidden}
    .entry-summary:after{content:"壹";position:absolute;right:-12px;bottom:-78px;font-size:230px;line-height:1;color:rgba(184,227,193,.11);font-weight:900}
    .entry-summary>*{position:relative;z-index:1}
    .entry-summary h2{margin:13px 0 14px;font-size:30px;line-height:1.35}
    .entry-summary p{margin:0;color:rgba(255,255,255,.77)}
    .entry-summary .badge{margin-top:24px;color:#285e43;background:var(--mint)}
    .entry-list{display:grid;gap:12px}
    .entry-item{display:grid;grid-template-columns:54px 1fr;gap:18px;align-items:start;padding:22px 24px;border:1px solid var(--line);border-radius:16px;background:var(--white);transition:transform .2s,box-shadow .2s,border .2s}
    .entry-item:hover{transform:translateX(4px);border-color:#cbbfda;box-shadow:var(--shadow-sm)}
    .entry-no{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:var(--purple-soft);color:var(--purple);font-weight:900}
    .entry-item h3{margin:0 0 5px;font-size:18px;color:var(--purple)}
    .entry-item p{margin:0;color:var(--muted);font-size:14px}
    .verify-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .verify-card{min-height:215px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);transition:transform .22s,box-shadow .22s,border .22s}
    .verify-card:hover{transform:translateY(-5px);border-color:#ccc1da;box-shadow:var(--shadow-sm)}
    .verify-symbol{width:46px;height:46px;display:grid;place-items:center;margin-bottom:22px;border-radius:15px;background:var(--purple-soft);color:var(--purple);font-size:21px;font-weight:900}
    .verify-card h3{margin:0 0 8px;font-size:19px;color:var(--purple)}
    .verify-card p{margin:0;color:var(--muted);font-size:14px}
    .guide-panel{padding:42px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .guide-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:31px}
    .guide-step{position:relative;padding:0 25px 0 0}
    .guide-step:not(:last-child):after{content:"";position:absolute;top:22px;right:2px;width:22px;height:1px;background:#cec6d5}
    .guide-step .step-dot{width:45px;height:45px;display:grid;place-items:center;margin-bottom:15px;border-radius:50%;background:var(--purple);color:var(--mint);font-weight:900}
    .guide-step h3{margin:0 0 6px;font-size:16px;color:var(--purple)}
    .guide-step p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .device-section{background:var(--purple-deep);color:#fff;overflow:hidden}
    .device-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:68px;align-items:center}
    .device-section h2{margin:10px 0 16px;font-size:clamp(28px,3vw,40px);line-height:1.35}
    .device-section .eyebrow{color:var(--mint)}
    .device-section .eyebrow:before{background:var(--lime)}
    .device-section p{color:rgba(255,255,255,.76);margin:0}
    .device-points{display:grid;gap:13px;margin-top:25px}
    .device-point{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.88);font-size:14px}
    .device-point i{flex:0 0 20px;width:20px;height:20px;margin-top:3px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:var(--purple-deep);font-style:normal;font-size:12px;font-weight:900}
    .device-visual{min-height:330px;position:relative;display:flex;justify-content:center;align-items:center}
    .phone{width:238px;height:420px;padding:13px;border:7px solid #171022;border-radius:37px;background:#fff;box-shadow:0 28px 50px rgba(0,0,0,.28);transform:rotate(6deg)}
    .phone-notch{width:86px;height:18px;margin:0 auto 13px;border-radius:0 0 12px 12px;background:#171022}
    .phone-screen{height:355px;padding:20px 15px;border-radius:25px;background:linear-gradient(160deg,#f4f0fb,#deefd9);color:var(--purple)}
    .phone-screen strong{font-size:14px}
    .screen-line{height:10px;margin-top:16px;border-radius:99px;background:#d1c7e1}
    .screen-line.short{width:62%}
    .screen-card{height:108px;margin-top:20px;padding:14px;border-radius:15px;background:var(--purple);color:#fff}
    .screen-card span{display:block;color:var(--mint);font-size:11px;font-weight:800}
    .screen-card b{display:block;margin-top:16px;font-size:18px}
    .screen-pill{display:inline-block;margin-top:17px;padding:3px 8px;border-radius:99px;background:rgba(184,227,193,.2);font-size:10px}
    .device-orb{position:absolute;width:260px;height:260px;border:1px solid rgba(184,227,193,.28);border-radius:50%;right:20px;top:28px}
    .device-orb:after{content:"";position:absolute;inset:27px;border:22px solid rgba(184,227,193,.08);border-radius:50%}
    .support-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:20px}
    .support-card{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
    .support-card h3{margin:0 0 15px;color:var(--purple);font-size:22px}
    .support-card p{margin:0;color:var(--muted)}
    .check-list{display:grid;gap:12px;margin:20px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:11px;align-items:flex-start;color:var(--muted);font-size:14px}
    .check-list li:before{content:"✓";flex:0 0 21px;width:21px;height:21px;display:grid;place-items:center;margin-top:2px;border-radius:50%;background:#e1f0df;color:#285e43;font-size:12px;font-weight:900}
    .status-list{display:grid;gap:12px}
    .status-row{padding:15px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:center}
    .status-row:last-child{border-bottom:0;padding-bottom:0}
    .status-row span:first-child{font-weight:800;color:var(--ink)}
    .status-row small{color:var(--muted);font-size:13px}
    .faq-wrap{max-width:900px;margin:0 auto}
    .faq-item{border-bottom:1px solid var(--line);background:transparent}
    .faq-item:first-child{border-top:1px solid var(--line)}
    .faq-item summary{position:relative;padding:21px 44px 21px 0;color:var(--purple);font-size:17px;font-weight:850;cursor:pointer;list-style:none}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:4px;top:17px;color:var(--purple);font-size:28px;font-weight:400;transition:transform .2s}
    .faq-item[open] summary:after{transform:rotate(45deg)}
    .faq-item p{max-width:780px;margin:0;padding:0 12px 22px 0;color:var(--muted)}
    .cta-section{padding:78px 0;background:var(--purple-soft)}
    .cta-box{position:relative;overflow:hidden;padding:45px 50px;border-radius:var(--radius-lg);background:var(--purple);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:var(--shadow)}
    .cta-box:before{content:"";position:absolute;right:-80px;top:-170px;width:370px;height:370px;border:1px solid rgba(184,227,193,.28);border-radius:50%}
    .cta-box>*{position:relative;z-index:1}
    .cta-box h2{margin:0 0 8px;font-size:30px}
    .cta-box p{margin:0;color:rgba(255,255,255,.76)}
    .cta-box .btn-outline{color:#fff;border-color:rgba(255,255,255,.38);background:rgba(255,255,255,.08)}
    .cta-box .btn-outline:hover{background:rgba(255,255,255,.18)}
    .site-footer{padding:65px 0 22px;background:#211736;color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.6fr .7fr .7fr;gap:52px;padding-bottom:43px}
    .footer-brand{font-size:20px;font-weight:900;line-height:1.35}
    .footer-brand span{display:block;margin-top:7px;color:var(--mint);font-size:13px;font-weight:700}
    .footer-copy{max-width:440px;margin:17px 0 0;color:rgba(255,255,255,.62);font-size:14px}
    .footer-col h3{margin:0 0 15px;color:var(--mint);font-size:14px;font-weight:850}
    .footer-col a{display:block;width:max-content;max-width:100%;margin:8px 0;color:rgba(255,255,255,.68);font-size:14px;transition:color .2s,transform .2s}
    .footer-col a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{padding-top:20px;border-top:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:18px;color:rgba(255,255,255,.48);font-size:13px}
    @media (max-width:1024px){
      .brand{min-width:auto}
      .nav-links a{padding:8px 9px}
      .page-banner-grid,.device-grid{gap:34px}
      .verify-grid{gap:13px}
      .guide-step{padding-right:18px}
      .guide-step:not(:last-child):after{width:14px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:62px 0}
      .navbar{height:70px;gap:12px}
      .brand-text strong{font-size:15px}
      .brand-text small{font-size:10px}
      .nav-action{display:none}
      .menu-toggle{display:grid;place-items:center}
      .nav-links{display:none;position:absolute;top:70px;left:16px;right:16px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .page-banner{padding:42px 0}
      .page-banner-grid,.entry-layout,.device-grid,.support-grid{grid-template-columns:1fr}
      .banner-note{margin-top:4px}
      .verify-grid{grid-template-columns:1fr}
      .verify-card{min-height:auto}
      .guide-steps{grid-template-columns:1fr 1fr;gap:28px 18px}
      .guide-step{padding-right:0}
      .guide-step:not(:last-child):after{display:none}
      .device-visual{order:-1;min-height:270px;transform:scale(.84);margin:-25px 0}
      .footer-grid{grid-template-columns:1.35fr 1fr;gap:34px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .cta-box{padding:36px;align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .container{width:min(calc(100% - 28px),var(--container))}
      .brand-mark{width:35px;height:35px;border-radius:11px}
      .brand-text strong{font-size:14px}
      .brand-text small{font-size:9px}
      .page-banner h1{font-size:34px}
      .page-banner p{font-size:15px}
      .section-head{display:block;margin-bottom:25px}
      .section-head h2{font-size:28px}
      .section-desc{margin-top:12px}
      .notice-strip{grid-template-columns:40px 1fr;padding:18px}
      .notice-strip .badge{grid-column:2}
      .entry-summary,.guide-panel{padding:27px 22px}
      .entry-item{grid-template-columns:42px 1fr;padding:19px}
      .entry-no{width:38px;height:38px}
      .guide-steps{grid-template-columns:1fr;gap:23px}
      .phone{transform:rotate(4deg) scale(.82)}
      .device-visual{margin:-50px 0 -42px}
      .support-card{padding:24px 21px}
      .cta-box{padding:30px 24px}
      .cta-box h2{font-size:26px}
      .footer-grid{grid-template-columns:1fr;gap:24px}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin:5px 0}
    }

/* roulang page: category2 */
:root{
      --purple:#3b285e;
      --purple-deep:#291a48;
      --purple-soft:#efedf6;
      --mint:#b8e3c1;
      --lime:#a9d96c;
      --ink:#26222d;
      --muted:#716b7c;
      --light:#9892a1;
      --paper:#f7f6f2;
      --white:#ffffff;
      --line:#e4e0e9;
      --shadow:0 16px 40px rgba(55,37,88,.10);
      --shadow-sm:0 8px 22px rgba(55,37,88,.08);
      --radius:18px;
      --radius-lg:28px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .section{padding:82px 0}
    .section-soft{background:var(--purple-soft)}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:clamp(27px,3vw,40px);line-height:1.3;letter-spacing:-.03em}
    .section-desc{max-width:570px;margin:0;color:var(--muted)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:3px;border-radius:20px;background:var(--lime)}
    .btn{min-height:48px;padding:11px 20px;border:1px solid transparent;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border .2s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(169,217,108,.75);outline-offset:3px}
    .btn-primary{color:#fff;background:var(--purple);box-shadow:0 8px 18px rgba(59,40,94,.22)}
    .btn-primary:hover{color:#fff;background:var(--purple-deep);box-shadow:0 12px 25px rgba(59,40,94,.28)}
    .btn-outline{color:var(--purple);border-color:rgba(59,40,94,.32);background:rgba(255,255,255,.74)}
    .btn-outline:hover{color:var(--purple);background:var(--purple-soft);border-color:var(--purple)}
    .badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;font-size:12px;line-height:1.4;font-weight:800;color:var(--purple);background:#e9e5f0}
    .badge-mint{color:#285e43;background:#ddf0df}
    .badge-dark{color:#e8ddff;background:rgba(255,255,255,.12)}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,246,242,.92);border-bottom:1px solid rgba(228,224,233,.85);backdrop-filter:blur(16px)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:260px}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--purple);display:grid;place-items:center;color:var(--mint);font-size:20px;font-weight:900;box-shadow:inset 0 -5px 0 rgba(0,0,0,.12)}
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-text strong{font-size:17px;color:var(--purple)}
    .brand-text small{font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.04em}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{padding:9px 13px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:700;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--purple);background:var(--purple-soft)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--purple)}
    .nav-action{min-height:42px;padding:9px 16px;white-space:nowrap}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--purple);font-size:20px}
    .page-banner{position:relative;overflow:hidden;padding:58px 0 64px;background:linear-gradient(115deg,#efedf6 0%,#f7f6f2 58%,#e7f1e8 100%);border-bottom:1px solid var(--line)}
    .page-banner:before{content:"";position:absolute;width:340px;height:340px;right:6%;top:-170px;border:1px solid rgba(59,40,94,.15);border-radius:50%}
    .page-banner:after{content:"";position:absolute;width:160px;height:160px;right:18%;bottom:-92px;border:24px solid rgba(169,217,108,.24);border-radius:50%}
    .breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;color:var(--muted);font-size:14px}
    .breadcrumb a:hover{color:var(--purple)}
    .breadcrumb span{color:var(--light)}
    .banner-content{position:relative;z-index:1;max-width:810px}
    .banner-content h1{margin:12px 0 16px;color:var(--purple-deep);font-size:clamp(34px,5vw,58px);line-height:1.22;letter-spacing:-.045em}
    .banner-content p{max-width:700px;margin:0;color:var(--muted);font-size:17px}
    .topic-strip{position:relative;z-index:2;margin-top:-22px}
    .topic-strip-inner{padding:17px 22px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.93);box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:16px}
    .topic-strip strong{flex:0 0 auto;color:var(--purple);font-size:14px}
    .topic-list{display:flex;flex-wrap:wrap;gap:9px}
    .topic-list span{padding:5px 11px;border-radius:99px;background:var(--purple-soft);color:var(--muted);font-size:13px;font-weight:700}
    .news-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:start}
    .news-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
    .news-item{display:grid;grid-template-columns:94px 1fr auto;gap:20px;align-items:center;padding:25px 28px;border-bottom:1px solid var(--line);transition:.22s}
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#fbfaff}
    .news-date{padding-right:18px;border-right:1px solid var(--line);text-align:center}
    .news-date strong{display:block;color:var(--purple);font-size:29px;line-height:1;font-weight:900}
    .news-date span{display:block;margin-top:6px;color:var(--light);font-size:12px;font-weight:700}
    .news-content h3{margin:7px 0 7px;font-size:19px;line-height:1.45}
    .news-content h3 a:hover{color:var(--purple)}
    .news-content p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .news-meta{display:flex;align-items:center;gap:8px}
    .news-arrow{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--purple);font-size:20px;transition:.2s}
    .news-item:hover .news-arrow{color:#fff;background:var(--purple);border-color:var(--purple);transform:translateX(3px)}
    .news-side{display:grid;gap:18px}
    .side-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
    .side-card h3{margin:8px 0 13px;font-size:20px}
    .side-card p{margin:0;color:var(--muted);font-size:14px}
    .status-list{display:grid;gap:13px;margin-top:19px}
    .status-row{display:flex;align-items:flex-start;gap:11px;color:var(--muted);font-size:14px}
    .status-dot{width:10px;height:10px;flex:0 0 10px;margin-top:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(169,217,108,.18)}
    .side-cta{color:#fff;background:var(--purple);border-color:var(--purple)}
    .side-cta p{color:rgba(255,255,255,.75)}
    .side-cta .btn-outline{margin-top:20px;color:#fff;border-color:rgba(255,255,255,.38);background:rgba(255,255,255,.08)}
    .side-cta .btn-outline:hover{background:rgba(255,255,255,.17)}
    .timeline{position:relative;margin:0;padding:0;list-style:none}
    .timeline:before{content:"";position:absolute;left:18px;top:25px;bottom:25px;width:1px;background:#d7d0e0}
    .timeline-item{position:relative;display:grid;grid-template-columns:54px 1fr;gap:17px;padding:0 0 29px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-point{position:relative;z-index:1;width:37px;height:37px;border:7px solid var(--purple-soft);border-radius:50%;background:var(--purple)}
    .timeline-body{padding:2px 0}
    .timeline-body time{color:var(--light);font-size:13px;font-weight:700}
    .timeline-body h3{margin:3px 0 7px;font-size:19px}
    .timeline-body p{margin:0;color:var(--muted);font-size:14px}
    .focus-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .notice-card{position:relative;overflow:hidden;padding:38px;border-radius:var(--radius-lg);background:var(--purple);color:#fff;box-shadow:var(--shadow)}
    .notice-card:after{content:"";position:absolute;right:-38px;bottom:-62px;width:230px;height:230px;border:34px solid rgba(184,227,193,.14);border-radius:50%}
    .notice-card>*{position:relative;z-index:1}
    .notice-card h2{max-width:570px;margin:14px 0;color:#fff;font-size:clamp(27px,3vw,39px);line-height:1.32}
    .notice-card p{max-width:630px;margin:0;color:rgba(255,255,255,.76)}
    .notice-card .btn{margin-top:25px;color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.09)}
    .notice-card .btn:hover{background:rgba(255,255,255,.18)}
    .update-card{padding:31px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff}
    .update-card h3{margin:10px 0 17px;font-size:24px}
    .update-list{display:grid;gap:0;margin:0;padding:0;list-style:none}
    .update-list li{padding:13px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
    .update-list li strong{display:block;margin-bottom:2px;color:var(--ink);font-size:15px}
    .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .scene-card{min-height:230px;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.22s}
    .scene-card:hover{transform:translateY(-4px);border-color:#cfc5db;box-shadow:var(--shadow-sm)}
    .scene-number{display:grid;place-items:center;width:39px;height:39px;margin-bottom:35px;border-radius:12px;background:#ddf0df;color:#285e43;font-size:14px;font-weight:900}
    .scene-card h3{margin:0 0 8px;font-size:20px}
    .scene-card p{margin:0;color:var(--muted);font-size:14px}
    .reading-panel{display:grid;grid-template-columns:.85fr 1.15fr;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-sm)}
    .reading-title{padding:40px;background:var(--purple-soft)}
    .reading-title h2{margin:12px 0;font-size:clamp(27px,3vw,38px);line-height:1.35}
    .reading-title p{margin:0;color:var(--muted)}
    .reading-list{padding:20px 34px}
    .reading-link{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);font-weight:800;transition:.2s}
    .reading-link:last-child{border-bottom:0}
    .reading-link:hover{padding-left:7px;color:var(--purple)}
    .reading-link span:last-child{color:var(--light);font-weight:400;font-size:13px}
    .faq-wrap{max-width:900px;margin:0 auto}
    .faq-item{margin-bottom:12px;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;transition:.2s}
    .faq-item[open]{border-color:#cec4dc;box-shadow:var(--shadow-sm)}
    .faq-item summary{position:relative;padding:18px 56px 18px 21px;list-style:none;color:var(--ink);font-weight:800;cursor:pointer}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:21px;top:13px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:var(--purple);background:var(--purple-soft);font-size:21px;font-weight:400;transition:.2s}
    .faq-item[open] summary:after{transform:rotate(45deg);color:#fff;background:var(--purple)}
    .faq-answer{padding:0 21px 20px;color:var(--muted);font-size:14px}
    .bottom-cta{padding:0 0 88px}
    .cta-box{position:relative;overflow:hidden;padding:42px 48px;border-radius:var(--radius-lg);background:#dceede;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-box:before{content:"";position:absolute;right:10%;top:-80px;width:160px;height:160px;border:24px solid rgba(59,40,94,.10);border-radius:50%}
    .cta-copy,.cta-actions{position:relative;z-index:1}
    .cta-copy h2{margin:8px 0 0;color:var(--purple-deep);font-size:clamp(26px,3vw,37px);line-height:1.35}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{padding:65px 0 24px;color:#d9d2e3;background:var(--purple-deep)}
    .footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:48px;padding-bottom:45px}
    .footer-brand{color:#fff;font-size:20px;font-weight:900;line-height:1.35}
    .footer-brand span{display:block;margin-top:7px;color:var(--mint);font-size:13px;font-weight:700}
    .footer-copy{max-width:470px;margin:18px 0 0;color:#c2b9d0;font-size:14px}
    .footer-col h3{margin:0 0 14px;color:var(--mint);font-size:14px;font-weight:800}
    .footer-col a{display:block;width:max-content;max-width:100%;margin:8px 0;color:#d9d2e3;font-size:14px;transition:.2s}
    .footer-col a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{padding-top:22px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:18px;color:#aba0bb;font-size:13px}
    @media (max-width:1024px){
      .brand{min-width:auto}
      .news-layout{grid-template-columns:1fr}
      .news-side{grid-template-columns:repeat(2,1fr)}
      .footer-grid{gap:28px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:62px 0}
      .navbar{height:70px;gap:12px}
      .brand-mark{width:35px;height:35px}
      .brand-text strong{font-size:15px}
      .brand-text small{font-size:10px}
      .menu-toggle{display:grid;place-items:center;margin-left:auto}
      .nav-links{display:none;position:absolute;top:70px;left:16px;right:16px;padding:10px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow)}
      .nav-links.open{display:grid}
      .nav-links a{padding:12px 14px}
      .nav-action{display:none}
      .page-banner{padding:43px 0 52px}
      .banner-content p{font-size:16px}
      .topic-strip-inner{align-items:flex-start;flex-direction:column;gap:9px}
      .section-head{align-items:flex-start;flex-direction:column;gap:12px}
      .news-item{grid-template-columns:65px 1fr;gap:15px;padding:21px}
      .news-date{padding-right:12px}
      .news-date strong{font-size:24px}
      .news-arrow{display:none}
      .news-side{grid-template-columns:1fr}
      .focus-grid,.reading-panel{grid-template-columns:1fr}
      .scene-grid{grid-template-columns:1fr}
      .reading-title{padding:31px}
      .reading-list{padding:14px 24px}
      .cta-box{padding:34px;align-items:flex-start;flex-direction:column}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .container{width:min(calc(100% - 28px),var(--container))}
      .brand-text small{display:none}
      .page-banner{padding:36px 0 44px}
      .banner-content h1{font-size:34px}
      .topic-strip{margin-top:-15px}
      .topic-strip-inner{padding:15px}
      .news-item{grid-template-columns:1fr;padding:20px}
      .news-date{display:flex;align-items:baseline;gap:8px;padding:0;border:0;text-align:left}
      .news-date span{margin:0}
      .news-content h3{font-size:18px}
      .news-meta{margin-bottom:7px}
      .notice-card,.update-card{padding:27px}
      .scene-card{min-height:auto;padding:24px}
      .scene-number{margin-bottom:25px}
      .reading-title{padding:27px}
      .reading-list{padding:10px 21px}
      .reading-link{align-items:flex-start;flex-direction:column;gap:3px}
      .cta-box{padding:28px}
      .cta-actions{width:100%}
      .cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{align-items:flex-start;flex-direction:column;gap:6px}
    }

/* roulang page: category3 */
:root{
      --purple:#3b285e;
      --purple-deep:#291a48;
      --purple-soft:#efedf6;
      --mint:#b8e3c1;
      --lime:#a9d96c;
      --ink:#26222d;
      --muted:#716b7c;
      --light:#9892a1;
      --paper:#f7f6f2;
      --white:#fff;
      --line:#e4e0e9;
      --shadow:0 16px 40px rgba(55,37,88,.10);
      --shadow-sm:0 8px 22px rgba(55,37,88,.08);
      --radius:18px;
      --radius-lg:28px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(169,217,108,.8);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(247,246,242,.94);border-bottom:1px solid rgba(228,224,233,.9);backdrop-filter:blur(16px)}
    .navbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:260px}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--purple);display:grid;place-items:center;color:var(--mint);font-size:20px;font-weight:900;box-shadow:inset 0 -5px 0 rgba(0,0,0,.12)}
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-text strong{font-size:17px;color:var(--purple)}
    .brand-text small{font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.04em}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{padding:9px 13px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:700;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--purple);background:var(--purple-soft)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--purple)}
    .nav-action{white-space:nowrap;min-height:42px;padding:9px 16px}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--purple);font-size:20px}
    .btn{min-height:48px;padding:11px 20px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;line-height:1.2;transition:transform .2s,box-shadow .2s,background .2s,border .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{color:#fff;background:var(--purple);box-shadow:0 8px 18px rgba(59,40,94,.22)}
    .btn-primary:hover{background:var(--purple-deep);box-shadow:0 12px 25px rgba(59,40,94,.28)}
    .btn-outline{color:var(--purple);border:1px solid rgba(59,40,94,.32);background:rgba(255,255,255,.72)}
    .btn-outline:hover{background:var(--purple-soft);border-color:var(--purple)}
    .badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;font-size:12px;line-height:1.4;font-weight:800;color:var(--purple);background:#e9e5f0}
    .badge-mint{background:#ddf0df;color:#285e43}
    .page-intro{padding:42px 0 30px;background:linear-gradient(135deg,#f7f6f2,#efedf4)}
    .crumbs{display:flex;gap:9px;align-items:center;color:var(--light);font-size:13px;margin-bottom:24px}
    .crumbs a:hover{color:var(--purple)}
    .intro-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:3px;border-radius:20px;background:var(--lime)}
    h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-.04em;margin:15px 0 18px;color:var(--purple)}
    h2{font-size:clamp(26px,3vw,38px);line-height:1.25;margin:0 0 12px;color:var(--purple)}
    h3{font-size:19px;line-height:1.4;margin:0 0 9px}
    .intro-copy{max-width:720px;color:var(--muted);font-size:17px}
    .intro-note{border-left:4px solid var(--lime);padding:18px 20px;background:#fff;border-radius:0 16px 16px 0;box-shadow:var(--shadow-sm);color:var(--muted)}
    .section{padding:78px 0}
    .section-soft{background:var(--purple-soft)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}
    .section-desc{margin:0;color:var(--muted);max-width:620px}
    .download-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;padding:48px;border-radius:var(--radius-lg);background:var(--purple);color:#fff;box-shadow:var(--shadow)}
    .download-panel h2{color:#fff}
    .download-panel p{color:rgba(255,255,255,.76)}
    .download-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .download-panel .btn-outline{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.08)}
    .download-panel .btn-outline:hover{background:rgba(255,255,255,.17)}
    .device-stage{min-height:290px;display:flex;align-items:center;justify-content:center;position:relative}
    .device{width:158px;height:286px;border:7px solid #fff;border-radius:27px;background:#f4f1f8;box-shadow:18px 18px 0 rgba(184,227,193,.3);padding:28px 13px 14px;transform:rotate(7deg)}
    .device:before{content:"";display:block;width:48px;height:5px;border-radius:8px;background:#c9c2d4;margin:-17px auto 22px}
    .screen-logo{font-weight:900;color:var(--purple);font-size:15px;margin-bottom:22px}
    .screen-line{height:10px;border-radius:6px;background:#d9d2e4;margin:11px 0}
    .screen-line.short{width:58%}
    .screen-button{margin-top:27px;height:37px;border-radius:9px;background:var(--purple)}
    .device-tag{position:absolute;right:15%;top:32px;padding:10px 14px;background:var(--mint);color:#285e43;border-radius:12px;font-size:13px;font-weight:800;transform:rotate(-5deg)}
    .device-tag.two{right:4%;bottom:28px;top:auto;background:var(--lime);color:var(--purple);transform:rotate(4deg)}
    .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-height:190px;transition:.22s}
    .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#cfc5db}
    .card-icon{width:44px;height:44px;border-radius:14px;background:var(--purple-soft);display:grid;place-items:center;color:var(--purple);font-size:21px;font-weight:900;margin-bottom:20px}
    .info-card p{color:var(--muted);font-size:14px;margin:0}
    .compatibility{display:grid;grid-template-columns:1fr 1.5fr;gap:50px;align-items:start}
    .compat-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .compat-item{padding:19px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .compat-item strong{display:block;color:var(--purple);margin-bottom:5px}
    .compat-item span{font-size:13px;color:var(--muted)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:36px}
    .step{position:relative;padding:0 27px 0 0}
    .step:not(:last-child):after{content:"";position:absolute;right:8px;top:20px;width:32px;height:1px;background:#c9c1d4}
    .step-num{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:#285e43;font-weight:900;margin-bottom:17px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .notice-band{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:25px 30px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .notice-band strong{display:block;color:var(--purple);font-size:18px}
    .notice-band span{color:var(--muted);font-size:14px}
    .faq-list{max-width:850px;margin:28px auto 0}
    .faq-item{background:#fff;border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:transparent;text-align:left;padding:20px 22px;display:flex;justify-content:space-between;gap:20px;color:var(--ink);font-weight:800}
    .faq-question:hover{color:var(--purple);background:#fbfafc}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question{color:var(--purple)}
    .faq-symbol{font-size:22px;line-height:1;color:var(--purple)}
    .cta{padding:68px 0;background:var(--purple-deep);color:#fff;text-align:center}
    .cta h2{color:#fff}
    .cta p{max-width:660px;margin:0 auto 24px;color:rgba(255,255,255,.74)}
    .site-footer{padding:54px 0 22px;background:#211638;color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px}
    .footer-brand{font-weight:900;font-size:18px;color:var(--mint)}
    .footer-brand span{display:block;color:rgba(255,255,255,.5);font-size:12px;font-weight:600;margin-top:6px}
    .footer-copy{max-width:390px;color:rgba(255,255,255,.58);font-size:13px;margin-top:17px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:14px;color:#fff;margin-bottom:8px}
    .footer-col a{font-size:13px;color:rgba(255,255,255,.58);transition:.2s}
    .footer-col a:hover{color:var(--mint);transform:translateX(3px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.13);margin-top:40px;padding-top:18px;color:rgba(255,255,255,.42);font-size:12px}
    @media(max-width:1024px){
      .intro-grid,.download-panel,.compatibility{grid-template-columns:1fr;gap:28px}
      .download-panel{padding:36px}
      .device-stage{min-height:250px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .navbar{height:70px}
      .brand{min-width:0}
      .brand-text strong{font-size:15px}
      .brand-text small{font-size:10px}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:78px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex;flex-direction:column;align-items:stretch}
      .nav-links a{text-align:center;padding:13px}
      .menu-toggle{display:block}
      .nav-action{display:none}
      .page-intro{padding-top:28px}
      .section{padding:58px 0}
      .section-head{display:block;margin-bottom:24px}
      .section-desc{margin-top:12px}
      .info-grid{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr 1fr;gap:28px 18px}
      .step:not(:last-child):after{display:none}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:5px}
    }
    @media(max-width:520px){
      h1{font-size:37px}
      .download-panel{padding:27px 22px}
      .compat-list{grid-template-columns:1fr}
      .steps{grid-template-columns:1fr}
      .notice-band{display:block;padding:22px}
      .notice-band .btn{margin-top:17px;width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }