/* roulang page: index */
:root{
  --ink:#202522;
  --ink-soft:#303531;
  --muted:#6e766e;
  --paper:#f5f2ea;
  --paper-2:#fbfaf6;
  --sage:#e8eee6;
  --green:#4f8a55;
  --green-dark:#376b40;
  --lime:#c9d94e;
  --orange:#b86d35;
  --line:#d9ded5;
  --white:#fff;
  --radius:14px;
  --shadow:0 14px 40px rgba(32,37,34,.08);
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink-soft);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,234,.94);border-bottom:1px solid rgba(217,222,213,.9);backdrop-filter:blur(14px)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);letter-spacing:-.3px;white-space:nowrap}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--ink);display:grid;place-items:center;color:var(--lime);font-size:15px;font-weight:900}
.brand-text{font-size:18px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:9px 13px;border-radius:8px;color:var(--muted);font-size:14px;transition:.2s ease}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--ink);background:var(--sage)}
.nav-links a.active{font-weight:700;box-shadow:inset 0 -2px var(--green)}
.nav-note{font-size:12px;color:var(--green-dark);border-left:1px solid var(--line);padding-left:18px;white-space:nowrap}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);border-radius:8px;padding:7px 10px;color:var(--ink)}
.hero{padding:82px 0 70px;background:
  radial-gradient(circle at 84% 16%,rgba(201,217,78,.23),transparent 24%),
  linear-gradient(135deg,#f5f2ea 0%,#e8eee6 100%);
  border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--green-dark);font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;background:var(--lime);border-radius:3px}
.hero h1{font-size:clamp(38px,5.2vw,62px);line-height:1.15;letter-spacing:-2.5px;color:var(--ink);margin:20px 0 22px;max-width:700px}
.hero h1 em{font-style:normal;color:var(--green)}
.hero-copy{font-size:18px;color:var(--muted);max-width:650px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid transparent;font-weight:700;font-size:14px;transition:transform .2s,background .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn:focus,.menu-toggle:focus,.faq-question:focus{outline:3px solid rgba(79,138,85,.3);outline-offset:3px}
.btn-primary{background:var(--ink);color:var(--white);box-shadow:0 8px 18px rgba(32,37,34,.14)}
.btn-primary:hover{background:var(--green-dark)}
.btn-secondary{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-secondary:hover{background:var(--sage)}
.hero-board{background:var(--ink);color:var(--white);border-radius:18px;padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-board:after{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(201,217,78,.35);border-radius:50%;right:-50px;bottom:-70px}
.board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:18px;margin-bottom:18px}
.board-title{font-weight:800}.live-dot{color:var(--lime);font-size:12px}.live-dot:before{content:"";display:inline-block;width:7px;height:7px;background:var(--lime);border-radius:50%;margin-right:7px}
.board-row{display:grid;grid-template-columns:76px 1fr auto;gap:14px;align-items:center;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.board-row:last-child{border-bottom:0}.board-time{color:var(--lime);font-family:monospace;font-weight:700}.board-league{font-size:12px;color:#aeb8aa}.board-match{font-weight:700;color:#f6f7ef}.board-status{font-size:11px;padding:3px 8px;border-radius:5px;background:rgba(201,217,78,.15);color:var(--lime)}
.section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}.section-head h2{font-size:34px;line-height:1.25;color:var(--ink);letter-spacing:-1px;margin-top:10px}.section-head p{color:var(--muted);max-width:530px;font-size:15px}
.topic-grid{display:grid;grid-template-columns:1.35fr .9fr .9fr;grid-template-rows:auto auto;gap:16px}
.topic-card{border:1px solid var(--line);background:var(--paper-2);border-radius:var(--radius);padding:25px;min-height:170px;transition:.22s ease;position:relative;overflow:hidden}
.topic-card:first-child{grid-row:span 2;background:var(--ink);color:var(--white);min-height:356px}
.topic-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow)}
.topic-icon{font-size:24px;color:var(--green);margin-bottom:22px}.topic-card:first-child .topic-icon{color:var(--lime)}
.topic-card h3{font-size:20px;color:var(--ink);margin-bottom:8px}.topic-card:first-child h3{color:var(--white);font-size:28px}.topic-card p{color:var(--muted);font-size:14px;line-height:1.7}.topic-card:first-child p{color:#b9c2b7}
.topic-link{display:inline-block;margin-top:18px;color:var(--green-dark);font-size:13px;font-weight:800}.topic-card:first-child .topic-link{color:var(--lime)}
.latest-wrap{display:grid;grid-template-columns:1fr 280px;gap:30px}
.news-list{border-top:2px solid var(--ink)}
.news-item{display:grid;grid-template-columns:96px 1fr auto;gap:20px;align-items:start;padding:23px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-item:hover{padding-left:8px}.news-date{font-family:monospace;color:var(--green-dark);font-size:13px;padding-top:4px}.news-date small{display:block;font-family:inherit;color:var(--muted);margin-top:4px}
.news-content h3{font-size:19px;color:var(--ink);line-height:1.45;margin-bottom:6px}.news-content p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag{display:inline-block;padding:3px 9px;border-radius:5px;background:var(--sage);color:var(--green-dark);font-size:12px;margin-bottom:8px}
.read-more{color:var(--green-dark);font-size:13px;font-weight:800;white-space:nowrap;padding-top:29px}
.side-note{background:var(--sage);border-radius:var(--radius);padding:25px;height:max-content}.side-note h3{font-size:19px;color:var(--ink);margin-bottom:12px}.side-note p{font-size:14px;color:var(--muted);margin-bottom:18px}.side-note ul{list-style:none}.side-note li{border-top:1px solid var(--line);padding:10px 0;font-size:13px}
.schedule{background:var(--ink);color:var(--white)}.schedule .section-kicker{color:var(--lime)}.schedule .section-head h2{color:var(--white)}.schedule .section-head p{color:#b9c2b7}
.date-tabs{display:flex;gap:8px;overflow:auto;padding-bottom:18px}.date-tabs span{border:1px solid rgba(255,255,255,.2);padding:8px 16px;border-radius:7px;white-space:nowrap;font-size:13px;color:#bbc4b8}.date-tabs span.active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:800}
.timeline{border-left:2px solid #56675a;padding-left:24px}.fixture{position:relative;display:grid;grid-template-columns:100px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.1)}.fixture:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--lime);left:-30px}.fixture-time{font-family:monospace;color:var(--lime)}.fixture-main strong{display:block}.fixture-main span{font-size:12px;color:#abb7aa}.status{font-size:12px;color:#b9c2b7}.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}.feature-panel{border:1px solid var(--line);background:var(--paper-2);border-radius:var(--radius);padding:34px}.feature-panel.dark{background:#dfe9dd}.feature-panel h2{font-size:30px;color:var(--ink);line-height:1.3;margin:10px 0 14px}.feature-panel p{color:var(--muted);font-size:15px}.mini-list{list-style:none;margin-top:22px}.mini-list li{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:13px 0;font-size:14px}.mini-list b{color:var(--ink)}.mini-list span{color:var(--green-dark);white-space:nowrap}
.data-section{background:#edf1e9}.data-table{width:100%;border-collapse:collapse;background:var(--paper-2);border:1px solid var(--line);border-radius:12px;overflow:hidden}.data-table th,.data-table td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);font-size:14px}.data-table th{background:var(--sage);color:var(--ink);font-weight:800}.data-table td{color:var(--muted)}.data-table tr:last-child td{border-bottom:0}.data-table .mono{font-family:monospace;color:var(--green-dark)}
.rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.rule-card{padding:24px;background:var(--paper-2);border:1px solid var(--line);border-radius:12px}.rule-no{font-family:monospace;color:var(--green);font-size:24px;font-weight:800}.rule-card h3{font-size:18px;color:var(--ink);margin:12px 0 7px}.rule-card p{font-size:14px;color:var(--muted)}
.app-section{background:var(--ink);color:var(--white)}.app-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}.app-section h2{font-size:36px;line-height:1.3;margin:10px 0 16px}.app-section p{color:#bac4b9}.app-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:24px 0}.meta-box{border:1px solid rgba(255,255,255,.16);padding:13px 15px;border-radius:8px}.meta-box small{display:block;color:#9eaa9d;font-size:11px}.meta-box b{font-size:14px;color:var(--white)}.device-stage{min-height:380px;display:grid;place-items:center;background:#28322c;border-radius:18px;border:1px solid #46574a;position:relative}.phone{width:190px;height:340px;background:#111713;border:8px solid #515d51;border-radius:27px;padding:14px;box-shadow:0 20px 40px rgba(0,0,0,.28);transform:rotate(5deg)}.phone-screen{height:100%;border-radius:15px;background:#edf1e9;color:var(--ink);padding:16px}.phone-brand{font-size:13px;font-weight:900;margin-bottom:20px}.phone-line{height:9px;background:#c8d7c6;border-radius:3px;margin:10px 0}.phone-card{background:#fff;border-left:4px solid var(--green);padding:10px;margin-top:14px;font-size:11px}.phone-card b{display:block}.phone-card span{color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:28px 22px 8px;border-right:1px solid var(--line)}.step:last-child{border-right:0}.step-number{font-family:monospace;font-size:30px;color:var(--green);font-weight:800}.step h3{font-size:18px;color:var(--ink);margin:8px 0}.step p{font-size:14px;color:var(--muted)}
.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.security-box{padding:30px;background:var(--sage);border-radius:var(--radius)}.security-box h3{font-size:21px;color:var(--ink);margin-bottom:14px}.check-list{list-style:none}.check-list li{padding:10px 0 10px 24px;border-top:1px solid var(--line);font-size:14px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
.dictionary{display:flex;gap:14px;flex-wrap:wrap}.term{background:var(--paper-2);border:1px solid var(--line);padding:17px 20px;border-radius:9px;min-width:180px}.term b{display:block;color:var(--ink);margin-bottom:5px}.term span{font-size:13px;color:var(--muted)}
.notice{border-left:5px solid var(--orange);background:#f0e8dc;padding:22px 26px;border-radius:0 10px 10px 0}.notice strong{display:block;color:var(--ink);margin-bottom:5px}.notice p{font-size:14px;color:var(--muted)}
.faq-list{max-width:850px}.faq-item{border-top:1px solid var(--line)}.faq-question{width:100%;background:none;border:0;padding:19px 0;text-align:left;display:flex;justify-content:space-between;gap:20px;color:var(--ink);font-weight:800}.faq-question span:last-child{font-size:22px;color:var(--green);transition:.2s}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.final-cta{background:var(--green);color:var(--white);padding:42px;border-radius:18px;display:flex;justify-content:space-between;align-items:center;gap:25px}.final-cta h2{font-size:29px;line-height:1.3}.final-cta p{color:#e0eadc;font-size:14px;margin-top:7px}.final-cta .btn-primary{background:var(--ink)}
.site-footer{background:var(--ink);color:#c3ccc0;padding:56px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.13)}.footer-brand{color:var(--white);font-size:19px;font-weight:800;margin-bottom:14px}.footer-grid h3{font-size:14px;color:var(--white);margin-bottom:15px}.footer-grid a{display:block;color:#aeb9ad;font-size:13px;margin:8px 0;transition:.2s}.footer-grid a:hover{color:var(--lime)}.footer-grid p{font-size:13px;color:#9eaa9d;max-width:300px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:#8d998e}.footer-bottom a{color:#b8c4b5}
@media(max-width:992px){.hero-grid,.app-grid{grid-template-columns:1fr;gap:38px}.hero{padding-top:62px}.topic-grid{grid-template-columns:1fr 1fr}.topic-card:first-child{grid-row:auto;grid-column:span 2;min-height:250px}.latest-wrap{grid-template-columns:1fr}.rule-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.nav-note{display:none}}
@media(max-width:768px){.container{width:min(100% - 36px,var(--container))}.navbar{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:18px;right:18px;background:var(--paper-2);border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px 14px}.brand-text{font-size:16px}.section{padding:64px 0}.section-head{display:block}.section-head h2{font-size:28px}.section-head p{margin-top:12px}.topic-grid,.split,.security-grid{grid-template-columns:1fr}.topic-card:first-child{grid-column:auto}.news-item{grid-template-columns:72px 1fr;gap:12px}.read-more{grid-column:2;padding-top:0}.fixture{grid-template-columns:75px 1fr;gap:12px}.fixture .status{grid-column:2}.steps{grid-template-columns:1fr 1fr}.step{border-bottom:1px solid var(--line)}.step:nth-child(2){border-right:0}.device-stage{min-height:330px}.final-cta{display:block;padding:30px}.final-cta .btn{margin-top:20px}.data-table{display:block;overflow-x:auto;white-space:nowrap}}
@media(max-width:520px){.hero h1{font-size:37px;letter-spacing:-1.5px}.hero-copy{font-size:16px}.actions .btn{width:100%}.topic-card,.feature-panel{padding:22px}.rule-grid,.steps{grid-template-columns:1fr}.step{border-right:0}.app-grid{gap:28px}.app-section h2{font-size:29px}.app-meta{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: category1 */
:root{
      --ink:#202522;--ink-soft:#303531;--muted:#6e766e;--paper:#f5f2ea;--paper-2:#fbfaf6;
      --sage:#e8eee6;--green:#4f8a55;--green-dark:#376b40;--lime:#c9d94e;--orange:#b86d35;
      --line:#d9ded5;--white:#fff;--radius:14px;--shadow:0 14px 40px rgba(32,37,34,.08);--container:1200px
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink-soft);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,234,.95);border-bottom:1px solid rgba(217,222,213,.9);backdrop-filter:blur(14px)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:10px;background:var(--ink);display:grid;place-items:center;color:var(--lime);font-size:15px;font-weight:900}
    .brand-text{font-size:18px}.nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{padding:9px 13px;border-radius:8px;color:var(--muted);font-size:14px;transition:.2s ease}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--ink);background:var(--sage)}
    .nav-links a.active{font-weight:700;box-shadow:inset 0 -2px var(--green)}
    .nav-note{font-size:12px;color:var(--green-dark);border-left:1px solid var(--line);padding-left:16px;white-space:nowrap}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);border-radius:8px;padding:7px 10px;color:var(--ink)}
    .page-head{padding:68px 0 58px;background:linear-gradient(125deg,var(--paper),var(--sage));border-bottom:1px solid var(--line)}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--green-dark);font-size:13px;font-weight:800;letter-spacing:.06em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;background:var(--lime);border-radius:3px}
    .crumbs{font-size:13px;color:var(--muted);margin-bottom:22px}.crumbs a:hover{color:var(--green-dark)}
    .page-head h1{font-size:clamp(34px,5vw,56px);line-height:1.2;letter-spacing:-2px;color:var(--ink);margin:15px 0 18px;max-width:780px}
    .page-intro{max-width:760px;color:var(--muted);font-size:17px;margin:0}
    .section{padding:76px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
    .section-head h2{font-size:32px;line-height:1.3;color:var(--ink);margin:9px 0 0;letter-spacing:-1px}
    .section-head p{max-width:500px;color:var(--muted);font-size:15px;margin:0}
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:16px;background:var(--paper-2);border:1px solid var(--line);border-radius:12px}
    .filter-btn{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:7px;padding:7px 15px;font-size:14px;transition:.2s}
    .filter-btn:hover,.filter-btn.active{background:var(--ink);color:var(--white);border-color:var(--ink)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:42px;align-items:start}
    .news-list{border-top:2px solid var(--ink)}.news-item{display:grid;grid-template-columns:92px 1fr auto;gap:20px;padding:23px 0;border-bottom:1px solid var(--line);transition:.2s}
    .news-item:hover{padding-left:7px}.news-date{color:var(--green-dark);font-family:monospace;font-size:13px;padding-top:4px}
    .tag{display:inline-block;padding:3px 9px;border-radius:5px;background:var(--sage);color:var(--green-dark);font-size:12px;margin-bottom:7px}
    .news-item h3{font-size:19px;line-height:1.45;color:var(--ink);margin:0 0 6px}.news-item p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .read-link{align-self:center;color:var(--green-dark);font-size:13px;font-weight:700;white-space:nowrap}.read-link:hover{color:var(--orange)}
    .side-panel{background:var(--ink);color:var(--white);padding:26px;border-radius:var(--radius);box-shadow:var(--shadow);position:sticky;top:100px}
    .side-panel h3{font-size:21px;margin:0 0 14px}.side-panel p{color:#b9c2b7;font-size:14px;margin:0 0 18px}.side-list{list-style:none;padding:0;margin:0}
    .side-list li{border-top:1px solid rgba(255,255,255,.12);padding:12px 0;display:flex;justify-content:space-between;gap:12px;font-size:14px}.side-list span{color:var(--lime)}
    .feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.feature-panel{border:1px solid var(--line);background:var(--paper-2);border-radius:var(--radius);padding:30px}
    .feature-panel.dark{background:#dfe9dd}.feature-panel h3{color:var(--ink);font-size:23px;margin:0 0 13px}.feature-panel p{color:var(--muted);font-size:15px;margin:0}
    .mini-list{list-style:none;padding:0;margin:20px 0 0}.mini-list li{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:11px 0;font-size:14px}.mini-list b{color:var(--ink)}.mini-list span{color:var(--green-dark);white-space:nowrap}
    .data-section{background:#edf1e9}.data-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--paper-2)}
    .data-table{width:100%;min-width:680px;border-collapse:collapse}.data-table th,.data-table td{text-align:left;padding:15px 17px;border-bottom:1px solid var(--line);font-size:14px}.data-table th{background:var(--sage);color:var(--ink)}.data-table td{color:var(--muted)}.data-table tr:last-child td{border:0}.mono{font-family:monospace;color:var(--green-dark)!important}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{padding:23px;background:var(--paper-2);border:1px solid var(--line);border-radius:12px}.step-no{color:var(--green);font:bold 27px monospace}.step h3{color:var(--ink);font-size:18px;margin:8px 0}.step p{color:var(--muted);font-size:14px;margin:0}
    .notice{display:flex;align-items:flex-start;gap:18px;padding:24px 28px;background:#f1eadf;border-left:4px solid var(--orange);border-radius:10px}.notice strong{color:var(--ink);display:block;margin-bottom:3px}.notice p{margin:0;color:var(--muted);font-size:14px}
    .faq-list{border-top:2px solid var(--ink)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:none;padding:19px 0;color:var(--ink);font-weight:700}.faq-question span:last-child{font-size:22px;color:var(--green);transition:.2s}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 18px 0}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-band{background:var(--ink);color:var(--white);padding:45px 0}.cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta-wrap h2{font-size:29px;margin:0 0 8px}.cta-wrap p{color:#b9c2b7;margin:0;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:9px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn:focus,.menu-toggle:focus,.faq-question:focus{outline:3px solid rgba(79,138,85,.3);outline-offset:3px}.btn-primary{background:var(--lime);color:var(--ink)}.btn-primary:hover{background:#dbe86c}.btn-secondary{border-color:var(--ink);color:var(--ink);background:transparent}
    .site-footer{background:var(--ink);color:var(--white);padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}.footer-brand{font-weight:800;font-size:18px;margin-bottom:12px}.site-footer p{color:#b9c2b7;font-size:13px;margin:0;max-width:300px}.site-footer h3{font-size:15px;margin:0 0 13px;color:var(--lime)}.site-footer a{display:block;color:#b9c2b7;font-size:13px;margin:6px 0;transition:.2s}.site-footer a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:19px;color:#9ea99c;font-size:12px}.footer-bottom a{display:inline;color:#c9d94e;font-size:inherit}
    @media(max-width:992px){.nav-note{display:none}.content-layout{grid-template-columns:1fr}.side-panel{position:static}.steps{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.navbar{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 24px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:11px 13px}.container{width:min(var(--container),calc(100% - 36px))}.page-head{padding:48px 0 42px}.section{padding:58px 0}.section-head,.cta-wrap{display:block}.section-head p{margin-top:12px}.feature-grid{grid-template-columns:1fr}.news-item{grid-template-columns:72px 1fr}.read-link{grid-column:2}.notice{padding:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
    @media(max-width:520px){.brand-text{font-size:15px}.brand-mark{width:34px;height:34px}.page-head h1{font-size:35px}.filter-bar{overflow-x:auto;flex-wrap:nowrap}.filter-btn{white-space:nowrap}.news-item{grid-template-columns:1fr;gap:5px}.read-link{grid-column:auto}.steps,.footer-grid{grid-template-columns:1fr}.cta-wrap .btn{width:100%;margin-top:20px}}

/* roulang page: article */
:root{
      --ink:#202522;
      --ink-soft:#303531;
      --muted:#6e766e;
      --paper:#f5f2ea;
      --paper-2:#fbfaf6;
      --sage:#e8eee6;
      --green:#4f8a55;
      --green-dark:#376b40;
      --lime:#c9d94e;
      --orange:#b86d35;
      --line:#d9ded5;
      --white:#fff;
      --radius:14px;
      --shadow:0 14px 40px rgba(32,37,34,.08);
      --container:1200px;
    }

    *,
    *::before,
    *::after{box-sizing:border-box}

    html{scroll-behavior:smooth}

    body{
      margin:0;
      background:var(--paper);
      color:var(--ink-soft);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.8;
    }

    a{color:inherit;text-decoration:none}
    a:hover{text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    ::selection{background:var(--lime);color:var(--ink)}

    .container{
      width:min(var(--container),calc(100% - 48px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(245,242,234,.95);
      border-bottom:1px solid rgba(217,222,213,.9);
      backdrop-filter:blur(14px);
    }

    .navbar{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--ink);
      font-weight:800;
      letter-spacing:-.3px;
      white-space:nowrap;
    }

    .brand-mark{
      width:38px;
      height:38px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:var(--ink);
      color:var(--lime);
      font-size:15px;
      font-weight:900;
    }

    .brand-text{font-size:18px}

    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
    }

    .nav-links a{
      padding:9px 13px;
      border-radius:8px;
      color:var(--muted);
      font-size:14px;
      transition:.2s ease;
    }

    .nav-links a:hover,
    .nav-links a:focus,
    .nav-links a.active{
      color:var(--ink);
      background:var(--sage);
    }

    .nav-links a.active{
      font-weight:700;
      box-shadow:inset 0 -2px var(--green);
    }

    .nav-note{
      padding-left:18px;
      border-left:1px solid var(--line);
      color:var(--green-dark);
      font-size:12px;
      white-space:nowrap;
    }

    .menu-toggle{
      display:none;
      padding:7px 10px;
      border:1px solid var(--line);
      border-radius:8px;
      background:var(--white);
      color:var(--ink);
    }

    .menu-toggle:focus,
    .nav-links a:focus,
    .btn:focus,
    .faq-question:focus{
      outline:3px solid rgba(79,138,85,.28);
      outline-offset:3px;
    }

    .article-hero{
      padding:70px 0 62px;
      border-bottom:1px solid var(--line);
      background:
        radial-gradient(circle at 90% 8%,rgba(201,217,78,.2),transparent 25%),
        linear-gradient(135deg,#f5f2ea 0%,#e8eee6 100%);
    }

    .breadcrumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin-bottom:26px;
      color:var(--muted);
      font-size:13px;
    }

    .breadcrumbs a{
      color:var(--green-dark);
      font-weight:700;
    }

    .breadcrumbs .separator{color:#aab3a8}

    .article-heading{
      display:grid;
      grid-template-columns:minmax(0,1fr) 260px;
      gap:48px;
      align-items:end;
    }

    .eyebrow,
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }

    .eyebrow::before,
    .section-kicker::before{
      content:"";
      width:24px;
      height:3px;
      border-radius:3px;
      background:var(--lime);
    }

    .article-heading h1{
      max-width:850px;
      margin:17px 0 20px;
      color:var(--ink);
      font-size:clamp(34px,5vw,58px);
      line-height:1.22;
      letter-spacing:-2px;
      overflow-wrap:anywhere;
    }

    .article-description{
      max-width:760px;
      margin:0;
      color:var(--muted);
      font-size:17px;
    }

    .article-meta{
      padding:20px;
      border:1px solid var(--line);
      border-radius:12px;
      background:rgba(251,250,246,.8);
    }

    .meta-label{
      display:block;
      margin-bottom:5px;
      color:var(--muted);
      font-size:12px;
    }

    .meta-value{
      color:var(--ink);
      font-size:15px;
      font-weight:700;
      overflow-wrap:anywhere;
    }

    .meta-row{
      padding:10px 0;
      border-bottom:1px solid var(--line);
    }

    .meta-row:last-child{border-bottom:0}

    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,790px) 300px;
      gap:58px;
      align-items:start;
      padding:78px 0 92px;
    }

    .article-content{
      min-width:0;
      padding:42px 46px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--paper-2);
      box-shadow:0 10px 28px rgba(32,37,34,.04);
    }

    .article-content h2{
      margin:36px 0 14px;
      padding-left:16px;
      border-left:4px solid var(--green);
      color:var(--ink);
      font-size:29px;
      line-height:1.35;
    }

    .article-content h3{
      margin:28px 0 10px;
      color:var(--ink);
      font-size:21px;
      line-height:1.45;
    }

    .article-content p{
      margin:0 0 20px;
      color:var(--ink-soft);
      font-size:16px;
      line-height:2;
    }

    .article-content ul,
    .article-content ol{
      margin:18px 0 24px;
      padding-left:25px;
    }

    .article-content li{
      margin:8px 0;
      line-height:1.9;
    }

    .article-content blockquote{
      margin:28px 0;
      padding:18px 22px;
      border-left:4px solid var(--lime);
      border-radius:0 10px 10px 0;
      background:var(--sage);
      color:var(--green-dark);
    }

    .article-content table{
      width:100%;
      margin:24px 0;
      border-collapse:collapse;
      overflow:hidden;
      border:1px solid var(--line);
      background:var(--paper-2);
    }

    .article-content th,
    .article-content td{
      padding:13px 15px;
      border-bottom:1px solid var(--line);
      text-align:left;
      font-size:14px;
    }

    .article-content th{
      background:var(--sage);
      color:var(--ink);
    }

    .article-content img{
      height:auto;
      margin:25px auto;
      border-radius:10px;
    }

    .article-content hr{
      margin:32px 0;
      border:0;
      border-top:1px solid var(--line);
    }

    .empty-state{
      padding:42px 20px;
      border:1px dashed #bfcabd;
      border-radius:10px;
      background:var(--sage);
      text-align:center;
      color:var(--muted);
    }

    .empty-state strong{
      display:block;
      margin-bottom:14px;
      color:var(--ink);
      font-size:20px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:9px;
      font-size:14px;
      font-weight:700;
      transition:transform .2s,background .2s,box-shadow .2s;
    }

    .btn:hover{transform:translateY(-2px)}
    .btn-primary{
      background:var(--ink);
      color:var(--white);
      box-shadow:0 8px 18px rgba(32,37,34,.14);
    }

    .btn-primary:hover{background:var(--green-dark);color:var(--white)}
    .btn-secondary{
      border-color:var(--ink);
      background:transparent;
      color:var(--ink);
    }

    .btn-secondary:hover{background:var(--sage);color:var(--ink)}

    .side-stack{
      position:sticky;
      top:105px;
      display:grid;
      gap:18px;
    }

    .side-card{
      padding:24px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--paper-2);
    }

    .side-card.dark{
      background:var(--ink);
      color:var(--white);
    }

    .side-card h2{
      margin:0 0 13px;
      color:var(--ink);
      font-size:20px;
      line-height:1.4;
    }

    .side-card.dark h2{color:var(--white)}
    .side-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }

    .side-card.dark p{color:#b9c2b7}

    .side-list{
      margin:17px 0 0;
      padding:0;
      list-style:none;
    }

    .side-list li{
      display:flex;
      gap:10px;
      padding:10px 0;
      border-top:1px solid var(--line);
      color:var(--ink-soft);
      font-size:14px;
    }

    .side-list li::before{
      content:"✓";
      color:var(--green);
      font-weight:800;
    }

    .side-card.dark .side-list li{
      border-color:rgba(255,255,255,.12);
      color:#d9e0d7;
    }

    .side-card.dark .side-list li::before{color:var(--lime)}

    .article-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:35px;
      padding-top:28px;
      border-top:1px solid var(--line);
    }

    .source-section{
      padding:0 0 84px;
    }

    .source-box{
      display:flex;
      justify-content:space-between;
      gap:30px;
      padding:27px 30px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#edf1e9;
    }

    .source-box h2{
      margin:0 0 7px;
      color:var(--ink);
      font-size:21px;
    }

    .source-box p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .source-mark{
      align-self:center;
      flex:0 0 auto;
      padding:8px 13px;
      border-radius:7px;
      background:var(--lime);
      color:var(--ink);
      font-size:12px;
      font-weight:800;
    }

    .related-section{
      padding:80px 0;
      background:var(--sage);
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }

    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:25px;
      margin-bottom:28px;
    }

    .section-head h2{
      margin:10px 0 0;
      color:var(--ink);
      font-size:32px;
      line-height:1.3;
    }

    .section-head p{
      max-width:490px;
      margin:0;
      color:var(--muted);
      font-size:15px;
    }

    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:17px;
    }

    .related-card{
      min-height:180px;
      padding:24px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--paper-2);
      transition:.22s ease;
    }

    .related-card:hover{
      transform:translateY(-4px);
      border-color:var(--green);
      box-shadow:var(--shadow);
    }

    .tag{
      display:inline-block;
      margin-bottom:12px;
      padding:3px 9px;
      border-radius:5px;
      background:var(--sage);
      color:var(--green-dark);
      font-size:12px;
    }

    .related-card h3{
      margin:0 0 8px;
      color:var(--ink);
      font-size:19px;
      line-height:1.45;
    }

    .related-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }

    .related-link{
      display:inline-block;
      margin-top:17px;
      color:var(--green-dark);
      font-size:13px;
      font-weight:800;
    }

    .notice-section{padding:72px 0}

    .notice-box{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:30px;
      align-items:center;
      padding:32px 36px;
      border-radius:var(--radius);
      background:var(--ink);
      color:var(--white);
    }

    .notice-box h2{
      margin:0 0 10px;
      color:var(--white);
      font-size:27px;
      line-height:1.35;
    }

    .notice-box p{
      margin:0;
      color:#b9c2b7;
      font-size:15px;
    }

    .notice-points{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:10px;
    }

    .notice-point{
      padding:12px 14px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:8px;
      color:#d9e0d7;
      font-size:13px;
    }

    .notice-point b{display:block;color:var(--lime);font-size:18px}

    .site-footer{
      padding:62px 0 24px;
      background:var(--ink);
      color:var(--white);
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1fr;
      gap:38px;
      padding-bottom:44px;
    }

    .footer-brand{
      margin-bottom:12px;
      color:var(--white);
      font-size:19px;
      font-weight:800;
    }

    .footer-grid p{
      max-width:310px;
      margin:0;
      color:#aeb8ad;
      font-size:14px;
      line-height:1.8;
    }

    .footer-grid h3{
      margin:0 0 13px;
      color:var(--lime);
      font-size:15px;
    }

    .footer-grid a{
      display:block;
      width:max-content;
      max-width:100%;
      margin:7px 0;
      color:#bdc7bc;
      font-size:13px;
      transition:.2s ease;
    }

    .footer-grid a:hover,
    .footer-grid a:focus{color:var(--lime)}

    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.12);
      color:#9eaa9e;
      font-size:12px;
    }

    .footer-bottom a{
      display:inline;
      color:#d5dfd2;
    }

    @media (max-width:992px){
      .nav-note{display:none}
      .article-heading{grid-template-columns:1fr}
      .article-meta{max-width:430px}
      .article-layout{grid-template-columns:1fr;gap:28px}
      .side-stack{position:static;grid-template-columns:repeat(2,1fr)}
      .related-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }

    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{min-height:68px}
      .menu-toggle{display:block}
      .nav-links{
        display:none;
        position:absolute;
        left:18px;
        right:18px;
        top:74px;
        padding:12px;
        flex-direction:column;
        align-items:stretch;
        gap:3px;
        border:1px solid var(--line);
        border-radius:12px;
        background:var(--paper-2);
        box-shadow:var(--shadow);
      }

      .nav-links.open{display:flex}
      .nav-links a{font-size:14px}
      .article-hero{padding:48px 0 45px}
      .article-heading h1{font-size:clamp(32px,9vw,43px);letter-spacing:-1px}
      .article-layout{padding:48px 0 62px}
      .article-content{padding:28px 22px}
      .article-content h2{font-size:25px}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}
      .side-stack{grid-template-columns:1fr}
      .source-box{display:block;padding:23px}
      .source-mark{display:inline-block;margin-top:17px}
      .related-section{padding:58px 0}
      .related-grid{grid-template-columns:1fr}
      .notice-box{grid-template-columns:1fr;padding:27px 23px}
      .footer-grid{gap:28px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }

    @media (max-width:520px){
      .brand-text{font-size:16px}
      .brand-mark{width:34px;height:34px}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .article-actions .btn{width:100%}
      .notice-points{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{
  --ink:#202522;
  --ink-soft:#303531;
  --muted:#6e766e;
  --paper:#f5f2ea;
  --paper-2:#fbfaf6;
  --sage:#e8eee6;
  --green:#4f8a55;
  --green-dark:#376b40;
  --lime:#c9d94e;
  --orange:#b86d35;
  --line:#d9ded5;
  --white:#fff;
  --radius:14px;
  --shadow:0 14px 40px rgba(32,37,34,.08);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink-soft);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,234,.94);border-bottom:1px solid rgba(217,222,213,.9);backdrop-filter:blur(14px)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);letter-spacing:-.3px;white-space:nowrap}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--ink);display:grid;place-items:center;color:var(--lime);font-size:15px;font-weight:900}
.brand-text{font-size:18px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:9px 13px;border-radius:8px;color:var(--muted);font-size:14px;transition:.2s ease}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--ink);background:var(--sage)}
.nav-links a.active{font-weight:700;box-shadow:inset 0 -2px var(--green)}
.nav-note{font-size:12px;color:var(--green-dark);border-left:1px solid var(--line);padding-left:18px;white-space:nowrap}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);border-radius:8px;padding:7px 10px;color:var(--ink)}
.menu-toggle:focus,.btn:focus,.faq-question:focus,.filter-btn:focus{outline:3px solid rgba(79,138,85,.3);outline-offset:3px}
.page-hero{padding:58px 0 52px;border-bottom:1px solid var(--line);background:linear-gradient(120deg,#f5f2ea 0%,#e8eee6 100%)}
.breadcrumb{display:flex;align-items:center;gap:9px;margin-bottom:24px;color:var(--muted);font-size:13px}
.breadcrumb span{color:var(--green-dark)}
.page-heading{display:grid;grid-template-columns:1fr 310px;gap:50px;align-items:end}
.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--green-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
.section-kicker:before{content:"";width:24px;height:3px;border-radius:3px;background:var(--lime)}
.page-heading h1{margin:14px 0 14px;color:var(--ink);font-size:clamp(36px,4.5vw,56px);line-height:1.18;letter-spacing:-2px}
.page-heading p{margin:0;max-width:760px;color:var(--muted);font-size:17px}
.update-box{padding:19px 21px;background:var(--ink);color:var(--white);border-radius:var(--radius);box-shadow:var(--shadow)}
.update-box small{display:block;color:#b7c1b5;font-size:12px}
.update-box strong{display:block;margin-top:4px;color:var(--lime);font-size:15px}
.section{padding:82px 0}
.section-soft{background:#edf1e9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}
.section-head h2{margin:10px 0 0;color:var(--ink);font-size:34px;line-height:1.25;letter-spacing:-1px}
.section-head p{max-width:500px;margin:0;color:var(--muted);font-size:15px}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 18px;background:var(--paper-2);border:1px solid var(--line);border-radius:12px}
.filter-list{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.filter-btn{border:1px solid var(--line);border-radius:7px;background:transparent;color:var(--muted);padding:7px 13px;font-size:13px;transition:.2s}
.filter-btn:hover,.filter-btn.active{background:var(--ink);border-color:var(--ink);color:var(--white)}
.filter-date{font-size:13px;color:var(--green-dark);white-space:nowrap}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:30px;align-items:start}
.news-panel{border-top:2px solid var(--ink)}
.news-item{display:grid;grid-template-columns:86px 1fr auto;gap:20px;align-items:start;padding:23px 0;border-bottom:1px solid var(--line);transition:.2s}
.news-item:hover{padding-left:7px}
.news-date{font-size:13px;line-height:1.45;color:var(--green-dark);font-weight:800}
.news-date span{display:block;color:var(--muted);font-weight:500}
.tag{display:inline-block;padding:3px 9px;border-radius:5px;background:var(--sage);color:var(--green-dark);font-size:12px;line-height:1.45}
.news-body h3{margin:8px 0 6px;color:var(--ink);font-size:19px;line-height:1.45}
.news-body p{display:-webkit-box;margin:0;color:var(--muted);font-size:14px;line-height:1.75;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.read-link{align-self:center;color:var(--green-dark);font-size:14px;font-weight:800;white-space:nowrap}
.read-link:hover{color:var(--orange)}
.sidebar-card{padding:24px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px}
.sidebar-card h3{margin:0 0 15px;color:var(--ink);font-size:18px}
.sidebar-list{padding:0;margin:0;list-style:none}
.sidebar-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}
.sidebar-list li:last-child{padding-bottom:0;border-bottom:0}
.sidebar-list b{display:block;color:var(--ink);font-weight:700}
.data-note{border-left:3px solid var(--lime);background:#f1f4e9;padding:16px;color:var(--muted);font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:9px;font-size:14px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--ink);color:var(--white);box-shadow:0 8px 18px rgba(32,37,34,.14)}
.btn-primary:hover{background:var(--green-dark)}
.btn-secondary{border-color:var(--ink);background:transparent;color:var(--ink)}
.btn-secondary:hover{background:var(--sage)}
.more-wrap{text-align:center;padding-top:28px}
.topic-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:17px}
.topic-card{min-height:210px;padding:25px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);transition:.22s ease}
.topic-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow)}
.topic-card.featured{background:var(--ink);color:var(--white)}
.topic-icon{display:grid;place-items:center;width:42px;height:42px;margin-bottom:22px;border-radius:10px;background:var(--sage);color:var(--green-dark);font-weight:900}
.featured .topic-icon{background:rgba(201,217,78,.15);color:var(--lime)}
.topic-card h3{margin:0 0 9px;color:var(--ink);font-size:20px}
.topic-card p{margin:0;color:var(--muted);font-size:14px}
.featured h3{color:var(--white)}
.featured p{color:#b9c2b7}
.timeline{display:grid;grid-template-columns:250px 1fr;gap:52px;align-items:start}
.timeline-intro{padding:27px;background:var(--ink);border-radius:var(--radius);color:var(--white)}
.timeline-intro h2{margin:10px 0 12px;font-size:29px;line-height:1.3}
.timeline-intro p{margin:0;color:#bcc7ba;font-size:14px}
.timeline-list{position:relative;padding-left:26px}
.timeline-list:before{content:"";position:absolute;left:5px;top:6px;bottom:7px;width:1px;background:var(--line)}
.timeline-row{position:relative;display:grid;grid-template-columns:126px 1fr auto;gap:20px;padding:0 0 25px}
.timeline-row:before{content:"";position:absolute;left:-26px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--lime);border:2px solid var(--paper)}
.timeline-row:last-child{padding-bottom:0}
.timeline-time{font-family:monospace;color:var(--green-dark);font-size:14px;font-weight:800}
.timeline-main strong{display:block;color:var(--ink)}
.timeline-main span{color:var(--muted);font-size:14px}
.status{align-self:start;padding:3px 9px;border-radius:5px;background:var(--sage);color:var(--green-dark);font-size:12px;white-space:nowrap}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:var(--paper-2)}
.data-table{width:100%;min-width:700px;border-collapse:collapse}
.data-table th,.data-table td{padding:16px 18px;border-bottom:1px solid var(--line);font-size:14px;text-align:left}
.data-table th{background:var(--sage);color:var(--ink);font-weight:800}
.data-table td{color:var(--muted)}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table .mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--green-dark)}
.feature-list{display:grid;grid-template-columns:1.05fr .95fr;gap:25px}
.reading-card{padding:31px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius)}
.reading-card h2{margin:10px 0 12px;color:var(--ink);font-size:30px;line-height:1.3}
.reading-card p{margin:0;color:var(--muted);font-size:15px}
.metric-list{margin:22px 0 0;padding:0;list-style:none}
.metric-list li{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-top:1px solid var(--line);font-size:14px}
.metric-list b{color:var(--ink)}
.metric-list span{color:var(--green-dark);text-align:right}
.highlight-card{padding:31px;border-radius:var(--radius);background:#dce7d8;border:1px solid #c8d8c5}
.highlight-card h3{margin:8px 0 15px;color:var(--ink);font-size:24px}
.highlight-card p{margin:0 0 20px;color:var(--muted);font-size:15px}
.featured-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.rank-list{padding:25px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius)}
.rank-item{display:grid;grid-template-columns:38px 1fr;gap:14px;padding:17px 0;border-bottom:1px solid var(--line)}
.rank-item:last-child{border-bottom:0;padding-bottom:0}
.rank-no{font-family:Georgia,serif;color:var(--green);font-size:24px;font-weight:700;line-height:1}
.rank-item h3{margin:0 0 4px;color:var(--ink);font-size:16px;line-height:1.45}
.rank-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.safety-band{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;padding:27px 31px;background:var(--ink);color:var(--white);border-radius:var(--radius)}
.safety-symbol{display:grid;place-items:center;width:44px;height:44px;border:1px solid rgba(201,217,78,.45);border-radius:50%;color:var(--lime);font-size:20px}
.safety-band h2{margin:0 0 3px;font-size:21px}
.safety-band p{margin:0;color:#b9c2b7;font-size:14px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;padding:19px 2px;border:0;background:transparent;color:var(--ink);font-weight:800;text-align:left}
.faq-question span:last-child{color:var(--green);font-size:20px;line-height:1}
.faq-answer{display:none;padding:0 36px 20px 2px;color:var(--muted);font-size:15px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta-panel{display:flex;justify-content:space-between;gap:35px;align-items:center;padding:40px;background:linear-gradient(110deg,#e2eadf,#f4f1da);border:1px solid var(--line);border-radius:18px}
.cta-panel h2{margin:9px 0 0;color:var(--ink);font-size:31px;line-height:1.3}
.cta-panel-actions{display:flex;gap:12px;flex-wrap:wrap}
.site-footer{padding:62px 0 22px;background:var(--ink);color:#d5ddd2}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:42px}
.footer-brand{margin-bottom:12px;color:var(--white);font-size:20px;font-weight:800}
.site-footer p{max-width:350px;color:#b9c2b7;font-size:14px;line-height:1.8}
.site-footer h3{margin:0 0 15px;color:var(--lime);font-size:14px}
.site-footer a{display:block;margin:8px 0;color:#d5ddd2;font-size:14px;transition:.2s}
.site-footer a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;gap:24px;margin-top:45px;padding-top:19px;border-top:1px solid rgba(255,255,255,.12);color:#aeb9ac;font-size:12px}
.footer-bottom a{display:inline;margin:0;color:var(--lime)}
@media (max-width:1024px){
  .nav-note{display:none}
  .page-heading{grid-template-columns:1fr 260px;gap:25px}
  .content-layout{grid-template-columns:1fr}
  .sidebar{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .sidebar-card{margin-bottom:0}
  .topic-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:768px){
  .container{width:min(100% - 36px,var(--container))}
  .navbar{height:68px}
  .menu-toggle{display:block}
  .nav-links{display:none;position:absolute;left:18px;right:18px;top:68px;padding:12px;background:var(--paper-2);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 12px}
  .brand-text{font-size:16px}
  .page-hero{padding:42px 0}
  .page-heading{grid-template-columns:1fr}
  .update-box{max-width:320px}
  .section{padding:59px 0}
  .section-head{display:block;margin-bottom:24px}
  .section-head p{margin-top:13px}
  .section-head h2{font-size:28px}
  .filter-bar{align-items:flex-start;flex-direction:column}
  .filter-list{flex-wrap:nowrap;width:100%;overflow-x:auto;padding-bottom:3px}
  .filter-btn{white-space:nowrap}
  .content-layout{gap:23px}
  .news-item{grid-template-columns:66px 1fr;gap:14px}
  .read-link{grid-column:2}
  .sidebar{grid-template-columns:1fr}
  .topic-grid,.featured-list,.feature-list{grid-template-columns:1fr}
  .topic-card{min-height:auto}
  .timeline{grid-template-columns:1fr;gap:25px}
  .timeline-row{grid-template-columns:96px 1fr}
  .timeline-row .status{grid-column:2}
  .safety-band{grid-template-columns:auto 1fr}
  .safety-band .btn{grid-column:2}
  .cta-panel{display:block;padding:30px}
  .cta-panel-actions{margin-top:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-bottom{display:block}
  .footer-bottom span{display:block;margin:8px 0}
}
@media (max-width:520px){
  body{font-size:15px}
  .container{width:calc(100% - 32px)}
  .brand-mark{width:34px;height:34px}
  .brand-text{font-size:14px}
  .page-heading h1{font-size:34px;letter-spacing:-1.5px}
  .page-heading p{font-size:15px}
  .news-item{grid-template-columns:1fr;gap:8px}
  .news-date{display:flex;gap:8px}
  .news-date span{display:inline}
  .read-link{grid-column:auto}
  .timeline-row{grid-template-columns:1fr;gap:5px}
  .timeline-row .status{grid-column:auto;justify-self:start}
  .metric-list li{display:block}
  .metric-list span{display:block;margin-top:3px;text-align:left}
  .safety-band{display:block;padding:25px}
  .safety-symbol{margin-bottom:14px}
  .safety-band .btn{margin-top:18px;width:100%}
  .cta-panel h2{font-size:27px}
  .cta-panel-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
}

/* roulang page: category3 */
:root{
      --ink:#202522;--ink-soft:#303531;--muted:#6e766e;--paper:#f5f2ea;--paper-2:#fbfaf6;
      --sage:#e8eee6;--green:#4f8a55;--green-dark:#376b40;--lime:#c9d94e;--orange:#b86d35;
      --line:#d9ded5;--white:#fff;--radius:14px;--radius-sm:9px;--shadow:0 14px 40px rgba(32,37,34,.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink-soft);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(245,242,234,.94);border-bottom:1px solid rgba(217,222,213,.9);backdrop-filter:blur(14px)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);letter-spacing:-.3px;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:10px;background:var(--ink);display:grid;place-items:center;color:var(--lime);font-size:15px;font-weight:900}
    .brand-text{font-size:18px}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{padding:9px 13px;border-radius:8px;color:var(--muted);font-size:14px;transition:.2s ease}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--ink);background:var(--sage)}
    .nav-links a.active{font-weight:700;box-shadow:inset 0 -2px var(--green)}
    .nav-note{font-size:12px;color:var(--green-dark);border-left:1px solid var(--line);padding-left:18px;white-space:nowrap}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);border-radius:8px;padding:7px 10px;color:var(--ink)}
    .menu-toggle:focus,.btn:focus,.filter-button:focus,.faq-question:focus{outline:3px solid rgba(79,138,85,.3);outline-offset:3px}
    .page-intro{padding:58px 0 48px;border-bottom:1px solid var(--line);background:linear-gradient(125deg,var(--paper) 0%,#edf1e9 100%)}
    .breadcrumb{display:flex;align-items:center;gap:9px;margin:0 0 22px;padding:0;list-style:none;font-size:13px;color:var(--muted)}
    .breadcrumb a:hover{color:var(--green-dark)}
    .breadcrumb span{color:#a0a79f}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--green-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:3px;background:var(--lime);border-radius:3px}
    h1,h2,h3,p{margin-top:0}
    .page-intro h1{max-width:830px;margin:16px 0;color:var(--ink);font-size:clamp(36px,4.8vw,56px);line-height:1.18;letter-spacing:-2px}
    .page-intro p{max-width:800px;margin:0;color:var(--muted);font-size:17px}
    .section{padding:84px 0}
    .section-soft{background:var(--sage)}
    .section-dark{background:var(--ink);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:26px;margin-bottom:30px}
    .section-head h2{margin:9px 0 0;color:var(--ink);font-size:clamp(27px,3vw,35px);line-height:1.28;letter-spacing:-1px}
    .section-head p{max-width:500px;margin:0;color:var(--muted);font-size:15px}
    .filter-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-2)}
    .filter-label{font-size:14px;font-weight:800;color:var(--ink);white-space:nowrap}
    .filter-group{display:flex;flex-wrap:wrap;gap:8px}
    .filter-button{border:1px solid var(--line);border-radius:7px;background:transparent;padding:7px 12px;color:var(--muted);font-size:13px;transition:.2s ease}
    .filter-button:hover,.filter-button.active{border-color:var(--green);background:var(--sage);color:var(--green-dark)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 312px;gap:34px;align-items:start}
    .content-list{border-top:2px solid var(--ink)}
    .content-item{display:grid;grid-template-columns:82px minmax(0,1fr);gap:20px;padding:25px 0;border-bottom:1px solid var(--line);transition:.2s ease}
    .content-item:hover{padding-left:8px}
    .date-box{padding-top:4px;color:var(--green-dark);font-size:12px;font-weight:800;line-height:1.45}
    .date-box strong{display:block;color:var(--ink);font-size:24px;line-height:1.05}
    .content-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:8px;font-size:12px;color:var(--muted)}
    .tag{display:inline-flex;align-items:center;padding:3px 9px;border-radius:5px;background:var(--sage);color:var(--green-dark);font-size:12px;font-weight:700}
    .content-item h3{margin:0 0 8px;color:var(--ink);font-size:20px;line-height:1.45}
    .content-item h3 a:hover{color:var(--green-dark)}
    .content-item p{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);font-size:14px;line-height:1.75;-webkit-box-orient:vertical;-webkit-line-clamp:2}
    .read-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;color:var(--green-dark);font-size:13px;font-weight:800}
    .read-link:after{content:"→";transition:transform .2s}
    .read-link:hover:after{transform:translateX(4px)}
    .side-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-2);padding:24px}
    .side-panel + .side-panel{margin-top:16px}
    .side-panel h3{margin-bottom:12px;color:var(--ink);font-size:18px}
    .side-panel p{margin:0;color:var(--muted);font-size:14px}
    .safety-list{margin:15px 0 0;padding:0;list-style:none}
    .safety-list li{position:relative;padding:11px 0 11px 22px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-soft)}
    .safety-list li:before{content:"";position:absolute;left:1px;top:20px;width:9px;height:9px;border:2px solid var(--green);border-radius:50%}
    .notice{margin-top:26px;padding:16px 18px;border-left:4px solid var(--orange);background:#f7eee7;color:#73563d;font-size:14px}
    .empty-state{padding:34px 0;color:var(--muted);font-size:15px}
    .more-row{margin-top:26px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:9px;font-size:14px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s,border-color .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:var(--ink);color:var(--white);box-shadow:0 8px 18px rgba(32,37,34,.14)}
    .btn-primary:hover{background:var(--green-dark)}
    .btn-secondary{border-color:var(--ink);background:transparent;color:var(--ink)}
    .btn-secondary:hover{background:var(--sage)}
    .topic-matrix{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px}
    .topic-card{min-height:208px;padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-2);transition:.22s ease}
    .topic-card:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow)}
    .topic-card.featured{background:var(--ink);color:var(--white)}
    .topic-icon{display:grid;place-items:center;width:42px;height:42px;margin-bottom:20px;border-radius:10px;background:var(--sage);color:var(--green-dark);font-size:20px;font-weight:800}
    .featured .topic-icon{background:rgba(201,217,78,.13);color:var(--lime)}
    .topic-card h3{margin-bottom:8px;color:var(--ink);font-size:20px}
    .featured h3{color:var(--white)}
    .topic-card p{margin:0;color:var(--muted);font-size:14px}
    .featured p{color:#b9c2b7}
    .guide-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:28px;align-items:stretch}
    .device-panel{position:relative;min-height:475px;padding:40px;border-radius:18px;background:#26302a;overflow:hidden}
    .device-panel:before{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(201,217,78,.32);border-radius:50%;right:-84px;top:-90px}
    .phone{position:absolute;right:11%;bottom:-24px;width:216px;height:420px;padding:12px;border:7px solid #151a17;border-radius:32px;background:#101411;box-shadow:0 22px 34px rgba(0,0,0,.28)}
    .phone:before{content:"";display:block;width:70px;height:7px;margin:0 auto 12px;border-radius:8px;background:#2c332d}
    .phone-screen{height:360px;padding:18px 13px;border-radius:20px;background:#e8eee6}
    .screen-title{font-size:12px;font-weight:800;color:var(--ink)}
    .screen-chip{display:inline-block;margin:13px 0 9px;padding:3px 7px;border-radius:4px;background:#cadbca;color:var(--green-dark);font-size:9px;font-weight:700}
    .screen-row{padding:11px 0;border-bottom:1px solid #cdd5ca;color:#5d685e;font-size:10px;line-height:1.35}
    .screen-row b{display:block;color:var(--ink);font-size:11px}
    .device-copy{position:relative;z-index:1;max-width:200px;color:#d9e2d8}
    .device-copy b{display:block;margin-bottom:8px;color:var(--lime);font-size:15px}
    .device-copy span{font-size:13px;line-height:1.65}
    .steps-panel{padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-2)}
    .steps-panel h2{margin:8px 0 12px;color:var(--ink);font-size:30px;line-height:1.3}
    .steps-panel > p{color:var(--muted);font-size:15px}
    .steps{margin:25px 0 0;padding:0;list-style:none}
    .steps li{display:grid;grid-template-columns:44px 1fr;gap:15px;padding:17px 0;border-top:1px solid var(--line)}
    .step-number{display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:var(--ink);color:var(--lime);font-size:13px;font-weight:900}
    .steps h3{margin:0 0 4px;color:var(--ink);font-size:16px}
    .steps p{margin:0;color:var(--muted);font-size:14px}
    .security-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .security-card{padding:23px;border-top:3px solid var(--green);background:var(--paper-2)}
    .security-card:nth-child(2){border-color:var(--lime)}
    .security-card:nth-child(3){border-color:var(--orange)}
    .security-card:nth-child(4){border-color:var(--ink)}
    .security-card h3{margin:0 0 8px;color:var(--ink);font-size:18px}
    .security-card p{margin:0;color:var(--muted);font-size:14px}
    .data-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--paper-2)}
    .data-table{width:100%;min-width:700px;border-collapse:collapse}
    .data-table th,.data-table td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
    .data-table th{background:var(--sage);color:var(--ink);font-weight:800}
    .data-table td{color:var(--muted)}
    .data-table tr:last-child td{border-bottom:0}
    .data-table .check{color:var(--green-dark);font-weight:800}
    .faq-wrap{max-width:900px}
    .faq-item{border-top:1px solid var(--line)}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-question{display:flex;width:100%;align-items:center;justify-content:space-between;gap:18px;padding:19px 0;border:0;background:transparent;color:var(--ink);text-align:left;font-size:17px;font-weight:800}
    .faq-question span:last-child{display:grid;place-items:center;flex:0 0 25px;width:25px;height:25px;border-radius:50%;background:var(--sage);color:var(--green-dark);font-size:19px;line-height:1;transition:.2s}
    .faq-answer{display:none;padding:0 42px 20px 0;color:var(--muted);font-size:15px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:var(--green);color:var(--white)}
    .closing{padding:52px 0;background:linear-gradient(100deg,#e0e9dd,#f4f1df)}
    .closing-grid{display:flex;align-items:center;justify-content:space-between;gap:28px}
    .closing h2{margin:8px 0 0;color:var(--ink);font-size:31px;line-height:1.3}
    .closing p{margin:0;color:var(--muted);font-size:15px}
    .closing-actions{display:flex;gap:11px;flex-wrap:wrap}
    .site-footer{padding:58px 0 24px;background:var(--ink);color:#dce4da}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:42px}
    .footer-brand{margin-bottom:12px;color:var(--white);font-size:20px;font-weight:800}
    .site-footer p{max-width:360px;margin:0;color:#aeb9ae;font-size:14px;line-height:1.8}
    .site-footer h3{margin:0 0 13px;color:var(--lime);font-size:14px}
    .site-footer a{display:block;margin:7px 0;color:#dce4da;font-size:14px;transition:.2s}
    .site-footer a:hover{color:var(--lime);transform:translateX(2px)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13);color:#aeb9ae;font-size:12px}
    .footer-bottom a{display:inline;margin:0;color:var(--lime)}
    @media (max-width:1024px){
      .nav-note{display:none}
      .content-layout{grid-template-columns:1fr}
      .side-panel-wrap{display:grid;grid-template-columns:1fr 1fr;gap:16px}
      .side-panel + .side-panel{margin-top:0}
      .security-grid{grid-template-columns:repeat(2,1fr)}
      .topic-matrix{grid-template-columns:1fr 1fr}
      .topic-card.featured{grid-column:span 2}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2}
    }
    @media (max-width:768px){
      .container{width:min(100% - 36px,var(--container))}
      .navbar{height:68px;gap:12px}
      .brand-text{font-size:15px}
      .brand-mark{width:34px;height:34px}
      .menu-toggle{display:inline-flex;align-items:center;gap:6px}
      .nav-links{position:absolute;top:68px;left:0;right:0;display:none;align-items:stretch;flex-direction:column;gap:2px;padding:14px 18px 18px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
      .nav-links.open{display:flex}
      .nav-links a{padding:11px 13px}
      .page-intro{padding:43px 0 38px}
      .page-intro p{font-size:15px}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:24px}
      .section-head p{margin-top:12px}
      .filter-bar{align-items:flex-start;flex-direction:column}
      .filter-group{flex-wrap:nowrap;width:calc(100vw - 36px);overflow-x:auto;padding-bottom:3px}
      .filter-button{white-space:nowrap}
      .content-item{grid-template-columns:58px minmax(0,1fr);gap:14px}
      .date-box strong{font-size:20px}
      .side-panel-wrap{grid-template-columns:1fr}
      .topic-matrix,.guide-grid{grid-template-columns:1fr}
      .topic-card.featured{grid-column:auto}
      .device-panel{min-height:400px}
      .security-grid{grid-template-columns:1fr 1fr}
      .closing-grid{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:first-child{grid-column:span 2}
      .footer-grid>div:last-child{grid-column:auto}
      .footer-bottom{align-items:flex-start;flex-direction:column;margin-top:32px}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .container{width:calc(100% - 32px)}
      .page-intro h1{font-size:34px;letter-spacing:-1.5px}
      .section-head h2,.steps-panel h2,.closing h2{font-size:27px}
      .content-item{grid-template-columns:1fr;gap:9px}
      .date-box{display:flex;align-items:baseline;gap:7px}
      .date-box strong{display:inline}
      .content-item h3{font-size:18px}
      .device-panel{padding:28px;min-height:380px}
      .phone{right:8%;width:188px;height:367px}
      .phone-screen{height:310px}
      .security-grid{grid-template-columns:1fr}
      .faq-question{font-size:16px}
      .closing-actions,.closing-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }