/* roulang page: index */
:root{
  --coral:#f36f4f;
  --coral-dark:#d9573a;
  --ink:#282039;
  --ink-soft:#514967;
  --muted:#81798e;
  --cream:#fffaf5;
  --paper:#ffffff;
  --lavender:#f1edf7;
  --line:#e9e3eb;
  --green:#2e9a70;
  --amber:#d58b2a;
  --radius:18px;
  --shadow:0 16px 42px rgba(53,38,70,.08);
  --shadow-hover:0 20px 48px rgba(53,38,70,.14);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--cream);color:var(--ink);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:auto}
.site-header{height:76px;background:rgba(255,250,245,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.navbar{height:76px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:11px;min-width:240px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:0 8px 18px rgba(243,111,79,.25)}
.logo-text{font-size:16px;line-height:1.25}
.logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:6px;flex:1}
.nav-links a{padding:9px 13px;border-radius:10px;color:var(--ink-soft);font-size:14px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--coral-dark);background:#fff0eb}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn:focus-visible,.nav-links a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(243,111,79,.28);outline-offset:3px}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-dark)}
.btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-dark{background:var(--ink);color:#fff}
.badge{display:inline-flex;align-items:center;gap:5px;border-radius:30px;padding:5px 10px;font-size:12px;font-weight:700;line-height:1.3}
.badge-coral{background:#fff0eb;color:var(--coral-dark)}
.badge-green{background:#e9f7f0;color:var(--green)}
.badge-amber{background:#fff4df;color:var(--amber)}
.badge-purple{background:#eeeafa;color:#66578d}
.hero{padding:82px 0 70px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:410px;height:410px;border-radius:50%;background:#f9ded4;right:-120px;top:-140px;opacity:.65}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative}
.eyebrow{color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:1.5px;margin-bottom:17px}
.hero h1{font-size:clamp(34px,4.4vw,58px);line-height:1.2;letter-spacing:-2px;max-width:700px;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--coral)}
.hero-lead{font-size:18px;color:var(--ink-soft);max-width:650px;line-height:1.9;margin-bottom:30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{display:flex;gap:18px;margin-top:27px;color:var(--muted);font-size:13px;flex-wrap:wrap}
.hero-note span{display:flex;align-items:center;gap:6px}
.download-visual{background:var(--ink);border-radius:28px;padding:25px;color:#fff;box-shadow:0 26px 60px rgba(40,32,57,.2);transform:rotate(1.2deg)}
.visual-top{display:flex;justify-content:space-between;align-items:center;color:#d8d1e1;font-size:13px;margin-bottom:28px}
.status-dot{width:8px;height:8px;background:#69d59d;border-radius:50%;display:inline-block;margin-right:6px}
.device-card{background:linear-gradient(145deg,#51406f,#302844);border:1px solid rgba(255,255,255,.13);border-radius:21px;padding:25px;min-height:290px;position:relative;overflow:hidden}
.device-card:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:-70px;bottom:-80px}
.device-brand{font-size:25px;font-weight:800;margin:28px 0 8px}
.device-sub{color:#cfc7da;font-size:13px}
.version-line{display:flex;justify-content:space-between;margin-top:50px;color:#ddd6e6;font-size:13px}
.version-line strong{color:#fff;font-size:18px}
.visual-bottom{display:flex;gap:10px;margin-top:17px}
.visual-chip{background:rgba(255,255,255,.1);border-radius:10px;padding:9px 12px;color:#ddd6e6;font-size:12px;flex:1;text-align:center}
.section{padding:76px 0}
.section-tint{background:#f5f0f8}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-kicker{font-size:12px;color:var(--coral-dark);font-weight:800;letter-spacing:1.4px;margin-bottom:7px}
.section-title{font-size:32px;line-height:1.3;letter-spacing:-1px}
.section-desc{color:var(--muted);max-width:570px;font-size:15px}
.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.trust-item{padding:24px 25px;border-right:1px solid var(--line);display:flex;gap:14px;align-items:flex-start}
.trust-item:last-child{border-right:0}
.trust-icon{width:35px;height:35px;flex:none;border-radius:11px;background:#fff0eb;color:var(--coral-dark);display:grid;place-items:center;font-weight:800}
.trust-item strong{font-size:15px;display:block;margin-bottom:3px}
.trust-item p{font-size:12px;color:var(--muted);line-height:1.5}
.download-panel{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:var(--shadow)}
.panel-title{display:flex;justify-content:space-between;gap:15px;align-items:flex-start;margin-bottom:22px}
.panel-title h3{font-size:24px}
.panel-title p{font-size:13px;color:var(--muted)}
.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0 27px}
.spec{padding:15px;background:var(--lavender);border-radius:12px}
.spec small{display:block;color:var(--muted);font-size:12px}
.spec b{font-size:15px;display:block;margin-top:3px}
.download-side{background:#fff8f3;border-radius:18px;padding:23px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}
.qr{width:112px;height:112px;border:8px solid #fff;background:repeating-linear-gradient(45deg,#302844 0 4px,#fff 4px 8px);margin:9px auto 13px;border-radius:8px}
.download-side p{font-size:12px;color:var(--muted);margin-bottom:15px}
.preview-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:35px;align-items:center}
.preview-copy h2{font-size:32px;line-height:1.35;margin-bottom:15px}
.preview-copy p{color:var(--muted);max-width:500px;margin-bottom:24px}
.preview-list{display:grid;gap:12px}
.preview-list li{list-style:none;background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:15px 17px;display:flex;justify-content:space-between;align-items:center}
.preview-list span{color:var(--muted);font-size:13px}
.phone-stage{height:360px;display:flex;align-items:center;justify-content:center;gap:14px}
.phone{width:150px;height:302px;background:var(--ink);border:7px solid #fff;border-radius:26px;box-shadow:var(--shadow);padding:18px 11px;color:#fff}
.phone.small{width:112px;height:230px;opacity:.72;transform:translateY(30px)}
.phone-screen{height:100%;border-radius:15px;background:linear-gradient(#f8b29e,#f9eee7 37%,#ede8f5 37%);padding:16px 10px;color:var(--ink)}
.phone-screen b{font-size:15px}
.screen-block{height:55px;background:#fff;border-radius:10px;margin-top:17px;box-shadow:0 5px 10px rgba(40,32,57,.06)}
.screen-row{display:flex;gap:5px;margin-top:10px}.screen-row i{height:25px;background:#fff;border-radius:7px;flex:1}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.info-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}
.info-card h3{font-size:20px;margin:12px 0 9px}.info-card p{font-size:14px;color:var(--muted)}
.info-card .card-icon{font-size:27px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.step{background:var(--paper);border:1px solid var(--line);padding:23px;border-radius:16px;position:relative}
.step-num{color:var(--coral);font-weight:900;font-size:13px}
.step h3{font-size:17px;margin:10px 0 5px}.step p{font-size:13px;color:var(--muted);line-height:1.65}
.timeline{display:grid;gap:12px}
.timeline-item{display:grid;grid-template-columns:100px 95px 1fr auto;gap:16px;align-items:center;background:var(--paper);border:1px solid var(--line);padding:17px 20px;border-radius:13px}
.timeline-item time{font-size:13px;color:var(--muted)}.timeline-item strong{font-size:16px}.timeline-item p{color:var(--muted);font-size:13px}
.arrow{color:var(--coral);font-size:22px}
.compat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.compat{padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:15px}
.compat h3{font-size:17px;margin-bottom:7px}.compat p{font-size:13px;color:var(--muted);margin-bottom:13px}
.notice{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.notice-box{background:#fff4df;border:1px solid #f5dfb6;border-radius:17px;padding:27px}
.notice-box h3{font-size:20px;margin-bottom:13px}.notice-box li{list-style:none;color:#6d5b3f;font-size:14px;padding:6px 0}.notice-box li:before{content:"✓";color:var(--amber);font-weight:800;margin-right:9px}
.guide-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.guide-main{background:var(--ink);color:#fff;border-radius:20px;padding:31px;min-height:205px}
.guide-main h3{font-size:24px;margin:13px 0 8px}.guide-main p{color:#d5cede;font-size:14px;max-width:560px}
.guide-side{display:grid;gap:12px}.guide-side article{background:var(--paper);border:1px solid var(--line);padding:17px 20px;border-radius:13px}.guide-side h3{font-size:16px}.guide-side p{font-size:12px;color:var(--muted);margin-top:4px}
.news-list{display:grid;gap:12px}.news-item{display:grid;grid-template-columns:82px 1fr auto;gap:20px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:19px 21px;transition:.2s}.news-item:hover{transform:translateX(4px);box-shadow:var(--shadow)}.news-date{font-size:13px;color:var(--coral-dark);font-weight:800}.news-item h3{font-size:16px;margin-bottom:4px}.news-item p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.empty-state{padding:30px;text-align:center;background:var(--paper);border:1px dashed var(--line);border-radius:14px;color:var(--muted)}
.faq-list{display:grid;gap:10px;max-width:900px}.faq-list details{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:18px 20px}.faq-list summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between}.faq-list summary:after{content:"+";color:var(--coral);font-size:22px;line-height:1}.faq-list details[open] summary:after{content:"−"}.faq-list p{color:var(--muted);font-size:14px;padding-top:12px;max-width:780px}
.feedback{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:start}.feedback-copy p{color:var(--muted);margin-top:12px}.form-box{background:var(--paper);padding:26px;border:1px solid var(--line);border-radius:18px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{margin-bottom:13px}.field label{font-size:13px;font-weight:700;display:block;margin-bottom:5px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fffdfa;border-radius:10px;padding:11px 13px;color:var(--ink)}.field textarea{min-height:90px;resize:vertical}.recall{background:var(--ink);border-radius:22px;padding:34px 38px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}.recall h2{font-size:27px;margin-bottom:5px}.recall p{color:#d8d0e1;font-size:14px}
.site-footer{background:#211a30;color:#fff;padding:52px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}.footer-brand p{color:#bcb3c8;font-size:13px;max-width:290px;margin-top:13px}.site-footer h3{font-size:15px;margin-bottom:13px}.footer-links{display:grid;gap:7px}.footer-links a{color:#bcb3c8;font-size:13px;transition:.2s}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:19px;color:#968ba5;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
@media(max-width:1024px){.hero-grid{gap:35px}.nav-links a{padding:8px 8px}.logo{min-width:205px}.trust-item{padding:19px 15px}.timeline-item{grid-template-columns:80px 80px 1fr auto}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.site-header,.navbar{height:68px}.navbar{gap:12px}.logo{min-width:0;flex:1}.logo-text{font-size:14px}.logo-text small{display:none}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--cream);border-bottom:1px solid var(--line);padding:12px 16px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-actions .btn{display:none}.menu-toggle{display:block}.hero{padding:52px 0 45px}.hero-grid,.preview-layout,.download-panel,.notice,.guide-grid,.feedback{grid-template-columns:1fr}.hero h1{font-size:36px;letter-spacing:-1px}.hero-lead{font-size:16px}.download-visual{max-width:520px;margin:auto}.section{padding:52px 0}.section-title{font-size:27px}.section-head{display:block}.section-desc{margin-top:10px}.trust-bar{grid-template-columns:1fr 1fr}.trust-item:nth-child(2){border-right:0}.trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.download-panel{padding:22px}.steps{grid-template-columns:1fr 1fr}.compat-grid{grid-template-columns:1fr 1fr}.timeline-item{grid-template-columns:75px 80px 1fr}.timeline-item .arrow{display:none}.news-item{grid-template-columns:65px 1fr}.news-item .badge{display:none}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.hero h1{font-size:30px}.hero-actions .btn{width:100%}.hero-note{gap:9px;display:grid}.trust-bar{grid-template-columns:1fr}.trust-item{border-right:0!important;border-bottom:1px solid var(--line)!important}.trust-item:last-child{border-bottom:0!important}.specs{grid-template-columns:1fr 1fr}.spec:last-child{grid-column:span 2}.phone-stage{height:300px}.phone{width:130px;height:265px}.phone.small{width:95px;height:205px}.steps,.compat-grid{grid-template-columns:1fr}.timeline-item{grid-template-columns:1fr;gap:3px}.news-item{grid-template-columns:1fr;gap:5px}.news-item p{white-space:normal}.form-row{grid-template-columns:1fr}.recall{padding:26px 22px;display:block}.recall .btn{margin-top:18px;width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}

/* roulang page: article */
:root{
      --coral:#f36f4f;
      --coral-dark:#d9573a;
      --ink:#282039;
      --ink-soft:#514967;
      --muted:#81798e;
      --cream:#fffaf5;
      --paper:#ffffff;
      --lavender:#f1edf7;
      --line:#e9e3eb;
      --green:#2e9a70;
      --amber:#d58b2a;
      --radius:18px;
      --shadow:0 16px 42px rgba(53,38,70,.08);
      --shadow-hover:0 20px 48px rgba(53,38,70,.14);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{height:76px;background:rgba(255,250,245,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .navbar{height:76px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:240px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
    .logo-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:0 8px 18px rgba(243,111,79,.25)}
    .logo-text{font-size:16px;line-height:1.25}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-links a{padding:9px 13px;border-radius:10px;color:var(--ink-soft);font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--coral-dark);background:#fff0eb}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn:focus-visible,.nav-links a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(243,111,79,.28);outline-offset:3px}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{background:var(--coral-dark)}
    .btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-dark{background:var(--ink);color:#fff}
    .badge{display:inline-flex;align-items:center;gap:5px;border-radius:30px;padding:5px 10px;font-size:12px;font-weight:700;line-height:1.3}
    .badge-coral{background:#fff0eb;color:var(--coral-dark)}
    .badge-green{background:#e9f7f0;color:var(--green)}
    .badge-purple{background:#eeeafa;color:#66578d}
    .article-hero{padding:58px 0 42px;background:linear-gradient(180deg,#fffaf5 0%,#f7f0f7 100%);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px;flex-wrap:wrap}
    .breadcrumb a:hover{color:var(--coral-dark)}
    .breadcrumb .current{color:var(--ink-soft);max-width:650px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .article-heading{max-width:900px}
    .article-heading h1{font-size:clamp(30px,4vw,50px);line-height:1.3;letter-spacing:-1.5px;margin:15px 0 20px}
    .article-heading .lead{font-size:17px;color:var(--ink-soft);max-width:820px;margin:0}
    .article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .article-meta span{display:inline-flex;align-items:center;gap:6px}
    .article-layout{display:grid;grid-template-columns:minmax(0,820px) 300px;gap:42px;align-items:start;padding:62px 0 78px}
    .article-content{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:clamp(25px,4vw,54px);box-shadow:var(--shadow);min-width:0}
    .article-content h2{font-size:27px;line-height:1.4;margin:35px 0 15px;color:var(--ink)}
    .article-content h3{font-size:21px;line-height:1.5;margin:28px 0 12px}
    .article-content p{color:#514967;margin:0 0 19px;line-height:1.95}
    .article-content ul,.article-content ol{padding-left:25px;color:#514967;margin:18px 0 24px}
    .article-content li{padding:4px 0}
    .article-content img{border-radius:14px;margin:25px auto;box-shadow:0 8px 25px rgba(53,38,70,.1)}
    .article-content table{width:100%;border-collapse:collapse;margin:24px 0;color:var(--ink-soft);font-size:14px}
    .article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left}
    .article-content th{background:var(--lavender);color:var(--ink)}
    .article-content blockquote{margin:25px 0;padding:17px 21px;border-left:4px solid var(--coral);background:#fff5f0;border-radius:0 12px 12px 0;color:var(--ink-soft)}
    .article-content code{background:#f1edf7;border-radius:5px;padding:2px 6px;color:var(--coral-dark)}
    .article-intro{display:flex;gap:14px;align-items:flex-start;background:#fff5f0;border:1px solid #f7d6cc;border-radius:15px;padding:18px 20px;margin-bottom:30px;color:var(--ink-soft);font-size:14px}
    .intro-icon{width:30px;height:30px;border-radius:9px;background:var(--coral);color:#fff;display:grid;place-items:center;flex:none;font-weight:800}
    .article-end{border-top:1px solid var(--line);margin-top:38px;padding-top:25px;display:flex;justify-content:space-between;gap:15px;align-items:center;flex-wrap:wrap}
    .side-stack{display:grid;gap:18px;position:sticky;top:100px}
    .side-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:23px;box-shadow:var(--shadow)}
    .side-card h2{font-size:18px;margin:0 0 15px}
    .side-card p{font-size:13px;color:var(--muted);margin:0 0 16px}
    .side-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .side-list li{border-bottom:1px solid var(--line);padding-bottom:10px}
    .side-list li:last-child{border:0;padding-bottom:0}
    .side-list a{font-size:14px;color:var(--ink-soft);display:block;line-height:1.6}
    .side-list a:hover{color:var(--coral-dark)}
    .download-mini{background:var(--ink);color:#fff;border-radius:18px;padding:24px}
    .download-mini h2{font-size:20px;margin:0 0 9px}
    .download-mini p{color:#d9d1e2;margin-bottom:18px;font-size:13px}
    .download-mini .btn{width:100%}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
    .related-section{padding:70px 0;background:#f5f0f8}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}
    .section-kicker{font-size:12px;color:var(--coral-dark);font-weight:800;letter-spacing:1.4px;margin-bottom:7px}
    .section-title{font-size:30px;line-height:1.3;margin:0}
    .section-desc{color:var(--muted);font-size:14px;margin:0}
    .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:22px;transition:.2s}
    .related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .related-card h3{font-size:18px;line-height:1.5;margin:13px 0 8px}
    .related-card p{font-size:13px;color:var(--muted);margin:0 0 15px}
    .related-card time{font-size:12px;color:var(--muted)}
    .site-footer{background:var(--ink);color:#fff;padding:52px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:32px}
    .footer-brand .logo{color:#fff;margin-bottom:16px}
    .footer-brand p{color:#cfc6da;font-size:13px;max-width:300px}
    .site-footer h3{font-size:15px;margin:4px 0 15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#bcb3c8;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#fff0eb}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:18px;color:#a9a0b6;font-size:12px;flex-wrap:wrap}
    @media(max-width:1024px){
      .navbar{gap:15px}.logo{min-width:215px}
      .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:25px}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
      .footer-grid>div:last-child{display:none}
    }
    @media(max-width:768px){
      .site-header,.navbar{height:68px}.container{width:min(var(--container),calc(100% - 32px))}
      .logo{min-width:0;flex:1}.logo-text{font-size:14px}.logo-text small{font-size:10px}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
      .menu-toggle{display:block}.nav-actions .btn{display:none}
      .article-hero{padding:38px 0 32px}.article-layout{display:block;padding:35px 0 50px}
      .article-content{padding:25px 20px;border-radius:17px}.side-stack{position:static;margin-top:24px}
      .related-grid{grid-template-columns:1fr}.section-head{display:block}.section-desc{margin-top:8px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .article-heading h1{font-size:29px;letter-spacing:-.7px}.article-heading .lead{font-size:15px}
      .article-content h2{font-size:23px}.article-content h3{font-size:19px}
      .article-meta{gap:9px 14px}.article-end{align-items:stretch}.article-end .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{display:block}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}
    }

/* roulang page: category1 */
:root{
      --coral:#f36f4f;
      --coral-dark:#d9573a;
      --ink:#282039;
      --ink-soft:#514967;
      --muted:#81798e;
      --cream:#fffaf5;
      --paper:#fff;
      --lavender:#f1edf7;
      --line:#e9e3eb;
      --green:#2e9a70;
      --amber:#d58b2a;
      --radius:18px;
      --shadow:0 16px 42px rgba(53,38,70,.08);
      --shadow-hover:0 20px 48px rgba(53,38,70,.14);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{height:76px;background:rgba(255,250,245,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .navbar{height:76px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:240px;font-weight:800;color:var(--ink)}
    .logo-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:0 8px 18px rgba(243,111,79,.25)}
    .logo-text{font-size:16px;line-height:1.25}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-links a{padding:9px 13px;border-radius:10px;color:var(--ink-soft);font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--coral-dark);background:#fff0eb}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn:focus-visible,.nav-links a:focus-visible,summary:focus-visible{outline:3px solid rgba(243,111,79,.28);outline-offset:3px}
    .btn-primary{background:var(--coral);color:#fff}.btn-primary:hover{background:var(--coral-dark)}
    .btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-dark{background:var(--ink);color:#fff}
    .badge{display:inline-flex;align-items:center;gap:5px;border-radius:30px;padding:5px 10px;font-size:12px;font-weight:700;line-height:1.3}
    .badge-coral{background:#fff0eb;color:var(--coral-dark)}
    .badge-green{background:#e9f7f0;color:var(--green)}
    .badge-amber{background:#fff4df;color:var(--amber)}
    .badge-purple{background:#eeeafa;color:#66578d}
    .page-intro{padding:68px 0 45px;background:linear-gradient(180deg,#fffaf5 0%,#f8f2f7 100%);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:22px}
    .breadcrumb a:hover{color:var(--coral-dark)}
    .page-intro-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:end}
    .eyebrow,.section-kicker{font-size:12px;color:var(--coral-dark);font-weight:800;letter-spacing:1.4px}
    .page-intro h1{font-size:clamp(32px,4vw,50px);line-height:1.22;letter-spacing:-1.8px;margin:10px 0 17px}
    .page-intro p{max-width:720px;color:var(--ink-soft);font-size:17px;margin:0}
    .intro-note{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px 22px;box-shadow:var(--shadow)}
    .intro-note strong{display:block;font-size:18px;margin-bottom:4px}.intro-note span{font-size:13px;color:var(--muted)}
    .section{padding:68px 0}.section-tint{background:#f5f0f8}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
    .section-title{font-size:30px;line-height:1.3;letter-spacing:-1px;margin:7px 0 0}
    .section-desc{color:var(--muted);max-width:580px;font-size:14px;margin:0}
    .filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:15px 18px;box-shadow:var(--shadow)}
    .filter-label{font-size:13px;font-weight:700;color:var(--ink-soft);margin-right:4px}
    .filter{border:1px solid var(--line);background:#fff;border-radius:9px;color:var(--ink-soft);padding:8px 13px;font-size:13px}
    .filter.selected{border-color:#f6b29f;background:#fff0eb;color:var(--coral-dark);font-weight:700}
    .download-list{display:grid;gap:14px}
    .download-item{display:grid;grid-template-columns:82px 1.2fr .8fr auto;gap:22px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:19px 22px;transition:.2s}
    .download-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#f2c2b5}
    .platform-icon{width:54px;height:54px;border-radius:15px;background:#fff0eb;color:var(--coral-dark);display:grid;place-items:center;font-size:25px;font-weight:800}
    .download-item h3{font-size:18px;margin:0 0 4px}.download-item p{font-size:13px;color:var(--muted);margin:0}
    .version-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
    .version-meta small{display:block;color:var(--muted);font-size:12px;margin-top:6px}
    .download-panel{display:grid;grid-template-columns:1fr 300px;gap:30px;align-items:center;background:var(--ink);color:#fff;border-radius:22px;padding:34px 38px;overflow:hidden;position:relative}
    .download-panel:after{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(255,255,255,.13);border-radius:50%;right:-100px;top:-170px}
    .download-panel h2{font-size:29px;margin:10px 0 10px}.download-panel p{color:#d9d2e0;font-size:14px;margin:0 0 22px;max-width:640px}
    .panel-facts{display:flex;gap:25px;flex-wrap:wrap;color:#d9d2e0;font-size:13px;margin-bottom:23px}.panel-facts strong{display:block;color:#fff;font-size:17px}
    .qr-box{background:#fff;border-radius:16px;padding:16px;text-align:center;color:var(--ink);position:relative;z-index:1}
    .qr-pattern{height:165px;background:repeating-linear-gradient(45deg,#282039 0 5px,#fff 5px 10px);border:9px solid #fff;outline:1px solid var(--line);margin-bottom:10px}
    .qr-box span{font-size:12px;color:var(--muted)}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-card,.check-card,.faq-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
    .compare-card h3,.check-card h3{font-size:21px;margin:9px 0 15px}.compare-card p,.check-card p{font-size:14px;color:var(--muted)}
    .compare-card ul,.check-card ul{padding:0;margin:0;list-style:none}.compare-card li,.check-card li{padding:10px 0;border-top:1px solid var(--line);font-size:14px;display:flex;justify-content:space-between;gap:15px}.compare-card li span{color:var(--muted)}
    .check-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.check-card ul li{justify-content:flex-start;align-items:flex-start}.check-card li b{color:var(--green);margin-right:8px}
    .guide-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden}
    .guide-step{padding:25px;border-right:1px solid var(--line)}.guide-step:last-child{border:0}
    .step-num{width:31px;height:31px;background:var(--coral);color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px}
    .guide-step h3{font-size:18px;margin:13px 0 5px}.guide-step p{font-size:13px;color:var(--muted);margin:0}
    .faq-list{display:grid;gap:11px;max-width:900px}
    details{background:#fff;border:1px solid var(--line);border-radius:13px;padding:0 19px}
    summary{cursor:pointer;list-style:none;padding:17px 3px;font-weight:700;font-size:15px}summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";float:right;color:var(--coral);font-size:20px;font-weight:400}details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding:13px 3px 17px;margin:0}
    .cta-band{padding:54px 0;background:#fff0eb}.cta-content{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta-content h2{font-size:27px;margin:0 0 6px}.cta-content p{color:var(--ink-soft);margin:0;font-size:14px}
    .site-footer{background:var(--ink);color:#fff;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:#bcb3c8;font-size:13px;max-width:290px;margin-top:17px}.site-footer h3{font-size:14px;margin:4px 0 15px}.footer-links{display:grid;gap:8px}.footer-links a{color:#bcb3c8;font-size:13px;transition:.2s}.footer-links a:hover{color:#fff0eb}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:#9f96ad;font-size:12px}
    @media(max-width:1024px){.page-intro-grid{grid-template-columns:1fr}.download-item{grid-template-columns:65px 1fr auto}.version-meta{grid-column:2}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.site-header,.navbar{height:68px}.navbar{gap:12px}.logo{min-width:0;flex:1}.logo-text{font-size:14px}.logo-text small{font-size:10px}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 13px}.nav-actions .btn{display:none}.menu-toggle{display:block}.page-intro{padding:43px 0 35px}.section{padding:48px 0}.section-head{display:block}.section-desc{margin-top:10px}.download-item{grid-template-columns:54px 1fr;gap:14px}.download-item .btn{grid-column:2;justify-self:start}.version-meta{grid-column:2}.download-panel{grid-template-columns:1fr;padding:27px 23px}.qr-box{max-width:250px}.compare-grid,.check-grid{grid-template-columns:1fr}.guide-strip{grid-template-columns:1fr}.guide-step{border-right:0;border-bottom:1px solid var(--line)}.guide-step:last-child{border-bottom:0}.cta-content{display:block}.cta-content .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}
    @media(max-width:520px){.page-intro h1{font-size:31px}.page-intro p{font-size:15px}.download-panel h2{font-size:24px}.filter-bar{align-items:flex-start}.filter{flex:1;min-width:105px}.footer-grid{grid-template-columns:1fr}.logo-mark{width:34px;height:34px;font-size:17px}}

/* roulang page: category2 */
:root{
      --coral:#f36f4f;
      --coral-dark:#d9573a;
      --ink:#282039;
      --ink-soft:#514967;
      --muted:#81798e;
      --cream:#fffaf5;
      --paper:#ffffff;
      --lavender:#f1edf7;
      --line:#e9e3eb;
      --green:#2e9a70;
      --amber:#d58b2a;
      --radius:18px;
      --shadow:0 16px 42px rgba(53,38,70,.08);
      --shadow-hover:0 20px 48px rgba(53,38,70,.14);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--cream);color:var(--ink);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{height:76px;background:rgba(255,250,245,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .navbar{height:76px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;min-width:240px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
    .logo-mark{width:38px;height:38px;border-radius:12px;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:0 8px 18px rgba(243,111,79,.25)}
    .logo-text{font-size:16px;line-height:1.25}
    .logo-text small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1}
    .nav-links a{padding:9px 13px;border-radius:10px;color:var(--ink-soft);font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--coral-dark);background:#fff0eb}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn:focus-visible,.nav-links a:focus-visible,summary:focus-visible{outline:3px solid rgba(243,111,79,.28);outline-offset:3px}
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{background:var(--coral-dark)}
    .btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-dark{background:var(--ink);color:#fff}
    .badge{display:inline-flex;align-items:center;gap:5px;border-radius:30px;padding:5px 10px;font-size:12px;font-weight:700;line-height:1.3}
    .badge-coral{background:#fff0eb;color:var(--coral-dark)}
    .badge-green{background:#e9f7f0;color:var(--green)}
    .badge-amber{background:#fff4df;color:var(--amber)}
    .badge-purple{background:#eeeafa;color:#66578d}
    .page-intro{padding:70px 0 52px;background:linear-gradient(135deg,#fffaf5 0%,#f5f0f8 100%);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:22px}
    .breadcrumb a:hover{color:var(--coral-dark)}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}
    .eyebrow,.section-kicker{font-size:12px;color:var(--coral-dark);font-weight:800;letter-spacing:1.4px}
    .page-intro h1{font-size:clamp(32px,4vw,52px);line-height:1.2;letter-spacing:-1.8px;margin:12px 0 18px}
    .page-intro h1 em{font-style:normal;color:var(--coral)}
    .intro-text{font-size:17px;color:var(--ink-soft);max-width:700px;margin:0}
    .update-summary{background:var(--ink);color:#fff;border-radius:20px;padding:25px;box-shadow:var(--shadow)}
    .summary-label{color:#d7cfe3;font-size:13px;margin-bottom:13px}
    .summary-row{display:flex;justify-content:space-between;align-items:end;gap:16px}
    .summary-row strong{font-size:30px;line-height:1.1}
    .summary-row span{font-size:13px;color:#c6bdd2;text-align:right}
    .section{padding:72px 0}
    .section-tint{background:#f5f0f8}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-title{font-size:31px;line-height:1.3;letter-spacing:-1px;margin:7px 0 0}
    .section-desc{color:var(--muted);max-width:600px;font-size:15px;margin:0}
    .news-layout{display:grid;grid-template-columns:1.45fr .75fr;gap:22px;align-items:start}
    .timeline{position:relative;padding-left:30px}
    .timeline:before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;background:#e7dfe9}
    .news-item{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:22px 24px;margin-bottom:16px;transition:.2s}
    .news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#f1c2b6}
    .news-item:before{content:"";position:absolute;left:-29px;top:29px;width:14px;height:14px;border-radius:50%;background:var(--coral);border:4px solid var(--cream)}
    .news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:9px}
    .news-date{font-size:13px;color:var(--muted)}
    .news-item h3{font-size:20px;margin:0 0 7px}
    .news-item p{font-size:14px;color:var(--muted);margin:0 0 14px}
    .text-link{color:var(--coral-dark);font-size:14px;font-weight:700}
    .text-link:hover{color:var(--ink)}
    .feature-update{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:27px;box-shadow:var(--shadow);position:sticky;top:100px}
    .feature-update h3{font-size:23px;margin:15px 0 9px}
    .feature-update p{font-size:14px;color:var(--muted);margin-bottom:20px}
    .version-mark{width:58px;height:58px;border-radius:17px;background:#fff0eb;color:var(--coral-dark);display:grid;place-items:center;font-size:24px;font-weight:800}
    .meta-list{border-top:1px solid var(--line);margin-top:20px;padding-top:15px}
    .meta-line{display:flex;justify-content:space-between;gap:18px;font-size:13px;padding:7px 0}
    .meta-line span:first-child{color:var(--muted)}
    .status-board{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .status-card{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:21px;min-height:130px}
    .status-card strong{display:block;font-size:22px;margin:12px 0 3px}
    .status-card p{font-size:13px;color:var(--muted);margin:0}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-card{border:1px solid var(--line);border-radius:18px;background:var(--paper);padding:27px}
    .compare-card h3{font-size:20px;margin:0 0 18px}
    .compare-card ul{list-style:none;padding:0;margin:0}
    .compare-card li{display:flex;gap:11px;padding:12px 0;border-top:1px solid var(--line);font-size:14px;color:var(--ink-soft)}
    .compare-card li:first-child{border-top:0}
    .compare-card li b{color:var(--green);font-size:17px;line-height:1.4}
    .history-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .history-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:21px}
    .history-card h3{font-size:19px;margin:13px 0 6px}
    .history-card p{color:var(--muted);font-size:13px;margin:0}
    .notice{display:flex;gap:16px;align-items:flex-start;background:#fff4df;border:1px solid #f1dfba;border-radius:16px;padding:23px 25px}
    .notice-icon{font-size:25px;color:var(--amber)}
    .notice h3{font-size:18px;margin:0 0 5px}
    .notice p{font-size:14px;color:#76624a;margin:0}
    .closing{padding:56px 0}
    .closing-box{background:var(--ink);border-radius:22px;padding:35px 40px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .closing-box h2{font-size:27px;margin:0 0 8px}
    .closing-box p{color:#d2cadc;margin:0;font-size:14px}
    .site-footer{background:var(--ink);color:#fff;padding:54px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand .logo{color:#fff!important;margin-bottom:15px}
    .footer-brand p{color:#bcb3c8;font-size:13px;max-width:300px;margin:0}
    .site-footer h3{font-size:15px;margin:4px 0 15px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#bcb3c8;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#fff0eb;padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#9f95ac;font-size:12px;flex-wrap:wrap}
    @media(max-width:1024px){
      .navbar{gap:15px}.logo{min-width:215px}.nav-links a{padding:8px 9px}
      .intro-grid,.news-layout{grid-template-columns:1fr;gap:28px}
      .feature-update{position:static}.status-board{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:767px){
      .container{width:min(100% - 32px,var(--container))}
      .site-header,.navbar{height:68px}.navbar{justify-content:space-between}
      .logo{min-width:0}.logo-text{font-size:14px}.logo-text small{font-size:10px}.logo-mark{width:35px;height:35px}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;background:#fffaf5;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
      .nav-actions .btn{display:none}.menu-toggle{display:block}
      .page-intro{padding:48px 0 38px}.page-intro h1{font-size:32px;letter-spacing:-1px}.intro-text{font-size:15px}
      .section{padding:48px 0}.section-head{display:block;margin-bottom:23px}.section-title{font-size:25px}.section-desc{margin-top:10px}
      .timeline{padding-left:25px}.news-item{padding:19px}.news-item:before{left:-25px}.news-item h3{font-size:18px}
      .status-board,.compare,.history-grid{grid-template-columns:1fr}
      .status-card{min-height:auto}.closing{padding:35px 0}.closing-box{display:block;padding:28px 24px}.closing-box .btn{margin-top:20px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }
    @media(max-width:520px){
      .summary-row{display:block}.summary-row span{display:block;text-align:left;margin-top:9px}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category3 */
:root{
      --coral:#f36f4f;
      --coral-dark:#d9573a;
      --ink:#282039;
      --ink-soft:#514967;
      --muted:#81798e;
      --cream:#fffaf5;
      --paper:#ffffff;
      --lavender:#f1edf7;
      --line:#e9e3eb;
      --green:#2e9a70;
      --amber:#d58b2a;
      --radius:18px;
      --radius-lg:24px;
      --shadow:0 16px 42px rgba(53,38,70,.08);
      --shadow-hover:0 20px 48px rgba(53,38,70,.14);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      background:
        radial-gradient(circle at top right, rgba(243,111,79,.10), transparent 24%),
        radial-gradient(circle at 15% 18%, rgba(102,87,141,.08), transparent 22%),
        var(--cream);
      color:var(--ink);
      line-height:1.75;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(243,111,79,.2);color:var(--ink)}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{
      height:76px;
      background:rgba(255,250,245,.94);
      border-bottom:1px solid var(--line);
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:blur(12px);
    }
    .navbar{
      height:76px;
      display:flex;
      align-items:center;
      gap:30px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:240px;
      font-weight:800;
      color:var(--ink);
      letter-spacing:-.3px;
    }
    .logo-mark{
      width:38px;
      height:38px;
      border-radius:12px;
      background:var(--coral);
      color:#fff;
      display:grid;
      place-items:center;
      font-size:19px;
      box-shadow:0 8px 18px rgba(243,111,79,.25);
      flex:none;
    }
    .logo-text{
      font-size:16px;
      line-height:1.25;
    }
    .logo-text small{
      display:block;
      color:var(--muted);
      font-size:11px;
      font-weight:500;
      margin-top:2px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      flex:1;
      min-width:0;
    }
    .nav-links a{
      padding:9px 13px;
      border-radius:10px;
      color:var(--ink-soft);
      font-size:14px;
      transition:.2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:var(--coral-dark);
      background:#fff0eb;
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:none;
    }
    .menu-toggle{
      display:none;
      background:none;
      border:0;
      color:var(--ink);
      font-size:25px;
      line-height:1;
      padding:0;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:45px;
      padding:0 20px;
      border-radius:12px;
      border:1px solid transparent;
      font-weight:700;
      font-size:14px;
      transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s,opacity .2s;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,
    .nav-links a:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    summary:focus-visible,
    select:focus-visible{
      outline:3px solid rgba(243,111,79,.28);
      outline-offset:3px;
    }
    .btn-primary{background:var(--coral);color:#fff}
    .btn-primary:hover{background:var(--coral-dark);color:#fff}
    .btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-light:hover{border-color:#dcd3dd;color:var(--ink)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#1f1830;color:#fff}
    .btn-ghost{
      background:transparent;
      color:var(--ink-soft);
      border-color:var(--line);
    }
    .btn-ghost:hover{color:var(--coral-dark);border-color:#f0d2c8;background:#fffaf8}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:5px;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:700;
      line-height:1.3;
      letter-spacing:.1px;
    }
    .badge-coral{background:#fff0eb;color:var(--coral-dark)}
    .badge-green{background:#e9f7f0;color:var(--green)}
    .badge-amber{background:#fff4df;color:var(--amber)}
    .badge-purple{background:#eeeafa;color:#66578d}
    .badge-ink{background:#efeaf7;color:var(--ink)}
    .hero{
      padding:36px 0 26px;
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      border-radius:50%;
      background:#f9ded4;
      right:-120px;
      top:-190px;
      opacity:.55;
      pointer-events:none;
    }
    .crumb{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:13px;
      margin-bottom:16px;
    }
    .crumb a{color:var(--ink-soft)}
    .crumb a:hover{color:var(--coral-dark)}
    .crumb span.sep{color:#b7afbd}
    .hero-grid{
      display:grid;
      grid-template-columns:1.04fr .96fr;
      gap:34px;
      align-items:stretch;
      position:relative;
      z-index:1;
    }
    .eyebrow{
      color:var(--coral-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:1.5px;
      margin-bottom:16px;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .hero h1{
      font-size:clamp(32px,4vw,52px);
      line-height:1.14;
      letter-spacing:-1.8px;
      margin:0 0 18px;
      max-width:760px;
    }
    .hero h1 em{
      font-style:normal;
      color:var(--coral);
    }
    .hero-lead{
      font-size:17px;
      color:var(--ink-soft);
      max-width:680px;
      line-height:1.9;
      margin-bottom:24px;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-bottom:22px;
    }
    .hero-note{
      display:flex;
      gap:16px;
      margin-top:22px;
      color:var(--muted);
      font-size:13px;
      flex-wrap:wrap;
    }
    .hero-note span{
      display:flex;
      align-items:center;
      gap:6px;
      padding:8px 10px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:999px;
    }
    .hero-panel{
      background:linear-gradient(145deg,#4e4168,#2f2644);
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow);
      color:#fff;
      position:relative;
      overflow:hidden;
      min-height:100%;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:260px;
      height:260px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.12);
    }
    .hero-panel-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      margin-bottom:20px;
      position:relative;
      z-index:1;
    }
    .hero-panel-top h2{
      margin:0;
      font-size:24px;
      line-height:1.3;
    }
    .hero-panel-top p{
      margin:8px 0 0;
      color:#d9d0e5;
      font-size:14px;
      line-height:1.8;
      max-width:340px;
    }
    .mock-device{
      display:grid;
      grid-template-columns:1fr 132px;
      gap:16px;
      align-items:stretch;
      position:relative;
      z-index:1;
    }
    .device-frame{
      background:#fff;
      border-radius:24px;
      padding:14px;
      color:var(--ink);
      box-shadow:0 16px 36px rgba(0,0,0,.18);
      min-height:320px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .screen-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .screen-top strong{font-size:14px}
    .screen-status{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:12px;
    }
    .screen-status span{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:#f7f3fb;
      color:#66578d;
      font-size:12px;
      font-weight:700;
    }
    .screen-art{
      margin-top:14px;
      border-radius:18px;
      background:
        linear-gradient(180deg,#fff,#f8f3fb),
        linear-gradient(135deg,rgba(243,111,79,.10),rgba(102,87,141,.08));
      border:1px solid #ece4ef;
      padding:16px;
      min-height:208px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .screen-art .bar{
      height:12px;
      border-radius:999px;
      background:#ece4ef;
      margin-bottom:10px;
    }
    .screen-art .bar.w70{width:70%}
    .screen-art .bar.w56{width:56%}
    .screen-art .bar.w88{width:88%}
    .screen-art .fake-card{
      border-radius:16px;
      background:#fff;
      border:1px solid #eee6f2;
      padding:12px 12px 14px;
      box-shadow:0 8px 18px rgba(52,38,70,.05);
      margin-top:10px;
    }
    .screen-art .fake-card .line{
      height:10px;
      background:#ece4ef;
      border-radius:999px;
      margin-top:8px;
    }
    .screen-art .fake-card .line.w90{width:90%}
    .screen-art .fake-card .line.w64{width:64%}
    .screen-art .fake-card .line.w48{width:48%}
    .scan-panel{
      border-radius:20px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      padding:16px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:12px;
    }
    .qr{
      width:100%;
      aspect-ratio:1/1;
      background:
        linear-gradient(90deg,#fff 12%,transparent 12%,transparent 24%,#fff 24%,#fff 36%,transparent 36%,transparent 48%,#fff 48%,#fff 60%,transparent 60%,transparent 72%,#fff 72%,#fff 84%,transparent 84%),
        linear-gradient(#fff 12%,transparent 12%,transparent 24%,#fff 24%,#fff 36%,transparent 36%,transparent 48%,#fff 48%,#fff 60%,transparent 60%,transparent 72%,#fff 72%,#fff 84%,transparent 84%);
      border-radius:16px;
      border:8px solid rgba(255,255,255,.18);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.25);
      position:relative;
      overflow:hidden;
    }
    .qr:before,.qr:after{
      content:"";
      position:absolute;
      width:26%;
      height:26%;
      border:6px solid #fff;
      border-radius:10px;
    }
    .qr:before{left:10%;top:10%}
    .qr:after{right:10%;bottom:10%}
    .scan-meta{
      display:grid;
      gap:8px;
    }
    .scan-meta .mini{
      background:rgba(255,255,255,.1);
      border-radius:12px;
      padding:10px 12px;
      font-size:12px;
      color:#ece4ef;
      line-height:1.55;
    }
    .section{
      padding:58px 0;
    }
    .section-tint{
      background:linear-gradient(180deg, rgba(241,237,247,.72), rgba(241,237,247,.28));
      border-top:1px solid rgba(233,227,235,.64);
      border-bottom:1px solid rgba(233,227,235,.64);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:25px;
      margin-bottom:26px;
    }
    .section-kicker{
      font-size:12px;
      color:var(--coral-dark);
      font-weight:800;
      letter-spacing:1.4px;
      margin-bottom:8px;
    }
    .section-title{
      font-size:32px;
      line-height:1.3;
      letter-spacing:-1px;
      margin:0;
    }
    .section-desc{
      color:var(--muted);
      max-width:620px;
      font-size:15px;
      line-height:1.85;
      margin:0;
    }
    .trust-row{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0;
      background:rgba(255,255,255,.78);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .trust-item{
      padding:22px 22px 20px;
      border-right:1px solid var(--line);
      display:flex;
      gap:14px;
      align-items:flex-start;
    }
    .trust-item:last-child{border-right:0}
    .trust-icon{
      width:40px;
      height:40px;
      border-radius:12px;
      background:#fff0eb;
      color:var(--coral-dark);
      display:grid;
      place-items:center;
      font-size:18px;
      flex:none;
    }
    .trust-item strong{
      font-size:15px;
      display:block;
      margin-bottom:4px;
      color:var(--ink);
    }
    .trust-item p{
      font-size:12px;
      color:var(--muted);
      line-height:1.6;
      margin:0;
    }
    .panel{
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow);
    }
    .panel-title{
      display:flex;
      justify-content:space-between;
      gap:15px;
      align-items:flex-start;
      margin-bottom:18px;
    }
    .panel-title h3{
      font-size:24px;
      margin:0;
      line-height:1.25;
    }
    .panel-title p{
      font-size:13px;
      color:var(--muted);
      margin:0;
      max-width:520px;
      line-height:1.7;
    }
    .filter-bar{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      padding:16px;
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
      box-shadow:var(--shadow);
      margin-bottom:18px;
    }
    .filter-bar .hint{
      color:var(--muted);
      font-size:13px;
      margin-right:8px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:38px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--ink-soft);
      font-size:13px;
      font-weight:700;
      transition:.2s ease;
    }
    .chip:hover{
      border-color:#e4c9c0;
      color:var(--coral-dark);
      transform:translateY(-1px);
    }
    .chip.active{
      background:#fff0eb;
      color:var(--coral-dark);
      border-color:#f1c8bb;
    }
    .article-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:20px;
    }
    .article-list{
      display:grid;
      gap:14px;
    }
    .article-card{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px 18px;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .article-card:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow-hover);
      border-color:#ead5cb;
    }
    .article-date{
      display:flex;
      flex-direction:column;
      gap:4px;
      align-items:flex-start;
      justify-content:center;
      padding-right:8px;
    }
    .article-date time{
      font-size:12px;
      color:var(--muted);
    }
    .article-date strong{
      font-size:18px;
      color:var(--coral-dark);
      line-height:1;
    }
    .article-main h4{
      margin:0 0 6px;
      font-size:18px;
      line-height:1.42;
    }
    .article-main p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .article-meta{
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:8px;
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .article-meta .arrow{
      width:34px;
      height:34px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:#fff0eb;
      color:var(--coral-dark);
      font-size:18px;
    }
    .side-card{
      display:grid;
      gap:14px;
    }
    .side-box{
      background:linear-gradient(180deg,#fff,#fbf7fd);
      border:1px solid var(--line);
      border-radius:18px;
      padding:20px;
      box-shadow:0 12px 30px rgba(53,38,70,.05);
    }
    .side-box h4{
      margin:0 0 8px;
      font-size:18px;
    }
    .side-box p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .side-list{
      display:grid;
      gap:10px;
      margin-top:14px;
    }
    .side-list a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      padding:12px 14px;
      border-radius:12px;
      border:1px solid var(--line);
      background:#fff;
      transition:.2s ease;
      color:var(--ink);
    }
    .side-list a:hover{
      border-color:#ebd2c8;
      box-shadow:0 10px 22px rgba(53,38,70,.06);
      transform:translateY(-1px);
    }
    .side-list span{
      color:var(--muted);
      font-size:12px;
      white-space:nowrap;
    }
    .timeline{
      display:grid;
      gap:12px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:110px 110px 1fr auto;
      gap:14px;
      align-items:center;
      background:var(--paper);
      border:1px solid var(--line);
      padding:16px 18px;
      border-radius:16px;
      box-shadow:0 8px 18px rgba(53,38,70,.04);
    }
    .timeline-item time{
      font-size:13px;
      color:var(--muted);
    }
    .timeline-item strong{
      font-size:16px;
      line-height:1.45;
    }
    .timeline-item p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
    }
    .timeline-item .tag{
      justify-self:end;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:#f6f1fb;
      color:#66578d;
      font-size:12px;
      font-weight:700;
      line-height:1;
      white-space:nowrap;
    }
    .split-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .info-card{
      background:var(--paper);
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:24px;
      box-shadow:var(--shadow);
      height:100%;
    }
    .info-card h3{
      font-size:20px;
      margin:12px 0 10px;
      line-height:1.35;
    }
    .info-card p{
      font-size:14px;
      color:var(--muted);
      line-height:1.85;
      margin:0;
    }
    .card-icon{
      width:46px;
      height:46px;
      border-radius:14px;
      background:#fff0eb;
      color:var(--coral-dark);
      display:grid;
      place-items:center;
      font-size:20px;
    }
    .stack-list{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .stack-list li{
      list-style:none;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--ink-soft);
      font-size:14px;
      line-height:1.7;
      padding:11px 12px;
      border-radius:12px;
      background:#fbf9fd;
      border:1px solid #f0e9f3;
    }
    .stack-list li i{
      width:20px;
      height:20px;
      border-radius:50%;
      background:#fff0eb;
      color:var(--coral-dark);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-style:normal;
      font-size:12px;
      flex:none;
      margin-top:2px;
    }
    .step-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .step-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      padding:20px;
      box-shadow:0 10px 24px rgba(53,38,70,.05);
      position:relative;
    }
    .step-no{
      width:34px;
      height:34px;
      border-radius:12px;
      background:#fff0eb;
      color:var(--coral-dark);
      display:grid;
      place-items:center;
      font-weight:800;
      margin-bottom:12px;
    }
    .step-card h4{
      margin:0 0 8px;
      font-size:17px;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .compat-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .compat-item{
      padding:18px;
      border-radius:16px;
      border:1px solid var(--line);
      background:linear-gradient(180deg,#fff,#fbf8fd);
      min-height:144px;
    }
    .compat-item strong{
      display:block;
      margin-bottom:10px;
      font-size:16px;
    }
    .compat-item .state{
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-bottom:10px;
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
    }
    .state.ok{background:#e9f7f0;color:var(--green)}
    .state.wait{background:#fff4df;color:var(--amber)}
    .state.off{background:#f1edf7;color:#66578d}
    .compat-item p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .notice{
      display:grid;
      gap:12px;
    }
    .notice-box{
      display:flex;
      gap:14px;
      align-items:flex-start;
      background:#fffaf7;
      border:1px solid #f2dfd7;
      border-radius:18px;
      padding:18px 18px;
    }
    .notice-box .icon{
      width:40px;
      height:40px;
      border-radius:12px;
      background:#fff0eb;
      color:var(--coral-dark);
      display:grid;
      place-items:center;
      font-size:18px;
      flex:none;
    }
    .notice-box h4{
      margin:0 0 6px;
      font-size:16px;
    }
    .notice-box p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .guide-index{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:start;
    }
    .quick-links{
      display:grid;
      gap:10px;
    }
    .quick-links a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:13px 14px;
      border-radius:14px;
      background:#fff;
      border:1px solid var(--line);
      transition:.2s ease;
    }
    .quick-links a:hover{
      transform:translateY(-1px);
      border-color:#e9cfc4;
      box-shadow:0 10px 18px rgba(53,38,70,.05);
    }
    .quick-links small{
      color:var(--muted);
      white-space:nowrap;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      box-shadow:0 8px 18px rgba(53,38,70,.04);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      padding:18px 18px;
      cursor:pointer;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      font-weight:700;
      color:var(--ink);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary .q{
      display:inline-flex;
      align-items:center;
      gap:10px;
      line-height:1.5;
    }
    .faq-item summary .sign{
      width:28px;
      height:28px;
      border-radius:9px;
      background:#fff0eb;
      color:var(--coral-dark);
      display:grid;
      place-items:center;
      flex:none;
    }
    .faq-item .answer{
      padding:0 18px 18px 56px;
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
    }
    .feedback{
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:18px;
      align-items:start;
    }
    .feedback-form{
      display:grid;
      gap:14px;
    }
    .field-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .form-field{
      display:grid;
      gap:8px;
    }
    .form-field label{
      font-size:13px;
      font-weight:700;
      color:var(--ink-soft);
    }
    .form-field input,
    .form-field textarea,
    .form-field select{
      width:100%;
      min-height:46px;
      border:1px solid var(--line);
      background:#fff;
      border-radius:12px;
      padding:11px 14px;
      color:var(--ink);
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .form-field textarea{
      min-height:124px;
      resize:vertical;
    }
    .form-field input:focus,
    .form-field textarea:focus,
    .form-field select:focus{
      border-color:#f2b7a8;
      box-shadow:0 0 0 4px rgba(243,111,79,.12);
      outline:none;
    }
    .form-help{
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
    }
    .status-line{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:4px;
    }
    .status-line .status{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:#f7f3fb;
      color:#66578d;
      font-size:12px;
      font-weight:700;
    }
    .callout{
      background:linear-gradient(135deg,#32293f,#221b31);
      color:#fff;
      border-radius:24px;
      padding:26px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .callout:before{
      content:"";
      position:absolute;
      right:-60px;
      top:-40px;
      width:180px;
      height:180px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.12);
    }
    .callout h3{
      margin:0 0 10px;
      font-size:24px;
      line-height:1.35;
    }
    .callout p{
      margin:0 0 18px;
      color:#d9d0e5;
      font-size:14px;
      line-height:1.85;
      max-width:580px;
    }
    .callout .action-row{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }
    .site-footer{
      background:var(--ink);
      color:#fff;
      margin-top:10px;
      padding:54px 0 20px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.6fr 1fr 1fr 1fr;
      gap:26px;
      padding-bottom:26px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .site-footer .logo{
      color:#fff;
      min-width:0;
    }
    .site-footer .logo-text small{color:#bcb3c8}
    .footer-brand p{
      color:#cfc6dd;
      font-size:14px;
      line-height:1.9;
      margin:16px 0 0;
      max-width:340px;
    }
    .footer-grid h3{
      font-size:16px;
      margin:2px 0 14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#d7cfe4;
      font-size:14px;
      line-height:1.65;
      transition:.2s ease;
    }
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:#bcb3c8;
      font-size:12px;
      padding-top:18px;
      line-height:1.7;
    }
    .page-section-divider{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(233,227,235,.95), transparent);
      margin:0;
    }
    .icon-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--coral);
      box-shadow:0 0 0 4px rgba(243,111,79,.12);
      flex:none;
    }
    .mini-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .mini-box{
      background:#fff;
      border:1px solid var(--line);
      border-radius:16px;
      padding:16px;
    }
    .mini-box strong{
      display:block;
      margin-bottom:6px;
      font-size:15px;
    }
    .mini-box p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .anchor-pad{scroll-margin-top:96px}
    .subtle{
      color:var(--muted);
      font-size:13px;
    }
    .emph{
      color:var(--coral-dark);
      font-weight:700;
    }
    .index-badges{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
    }
    .index-badges .badge{
      padding:6px 10px;
    }
    @media (max-width: 1199px){
      .hero-grid{grid-template-columns:1fr}
      .mock-device{grid-template-columns:1fr 148px}
      .trust-row{grid-template-columns:repeat(2,1fr)}
      .article-grid,.guide-index,.feedback,.split-grid{grid-template-columns:1fr}
      .compat-grid{grid-template-columns:repeat(2,1fr)}
      .step-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
      .footer-grid > div:nth-child(4){grid-column:1/-1}
    }
    @media (max-width: 991px){
      .navbar{gap:16px}
      .logo{min-width:210px}
      .nav-links{gap:4px}
      .nav-links a{padding:8px 10px;font-size:13px}
      .section{padding:50px 0}
      .section-head{flex-direction:column;align-items:flex-start}
      .section-title{font-size:28px}
      .article-card{grid-template-columns:1fr;gap:10px}
      .article-date{flex-direction:row;align-items:center;justify-content:flex-start}
      .article-meta{align-items:flex-start;flex-direction:row;justify-content:space-between}
      .timeline-item{grid-template-columns:1fr;gap:8px}
      .timeline-item .tag{justify-self:start}
      .mini-grid{grid-template-columns:1fr}
    }
    @media (max-width: 767px){
      .site-header{height:auto}
      .navbar{
        height:auto;
        min-height:76px;
        flex-wrap:wrap;
        padding:12px 0;
      }
      .logo{min-width:0;flex:1}
      .menu-toggle{display:inline-flex}
      .nav-links{
        display:none;
        width:100%;
        order:4;
        padding:8px 0 2px;
        flex-wrap:wrap;
      }
      .site-header.nav-open .nav-links{display:flex}
      .nav-actions{margin-left:auto}
      .nav-actions .btn-light{display:none}
      .hero{padding:24px 0 18px}
      .hero h1{font-size:clamp(28px,8vw,38px)}
      .hero-lead{font-size:16px}
      .hero-panel{padding:18px}
      .hero-panel-top{flex-direction:column}
      .mock-device{grid-template-columns:1fr}
      .device-frame{min-height:0}
      .scan-panel{order:-1}
      .trust-row{grid-template-columns:1fr}
      .trust-item{border-right:0;border-bottom:1px solid var(--line)}
      .trust-item:last-child{border-bottom:0}
      .field-grid,.compat-grid,.step-grid,.footer-grid{grid-template-columns:1fr}
      .container{width:min(var(--container),calc(100% - 28px))}
      .section-title{font-size:25px}
      .panel{padding:18px}
      .filter-bar{padding:14px}
      .callout{padding:20px}
      .footer-grid{padding-bottom:22px}
      .footer-brand p{max-width:none}
      .hero-note span{padding:7px 9px}
      .step-card,.info-card,.side-box{padding:18px}
    }
    @media (max-width: 520px){
      body{font-size:15px}
      .logo-text{font-size:15px}
      .logo-text small{font-size:10px}
      .btn{min-height:44px;padding:0 16px;font-size:13px;border-radius:11px}
      .panel-title h3{font-size:21px}
      .article-main h4{font-size:17px}
      .hero-actions,.callout .action-row{display:grid;grid-template-columns:1fr}
      .hero-note{gap:10px}
      .chip{min-height:36px;padding:0 12px;font-size:12px}
      .callout h3{font-size:21px}
      .footer-bottom{flex-direction:column}
    }