/* roulang page: index */
:root{
  --ink:#171932;--ink-2:#25294d;--mint:#35d9bd;--mint-2:#a4f3e4;--orange:#ffb85a;
  --bg:#f7f7fb;--surface:#fff;--soft:#efeff8;--purple:#e9e6fb;--line:#dedff0;
  --text:#25263a;--muted:#70728b;--white:#fff;--radius:18px;--radius-sm:12px;
  --shadow:0 14px 40px rgba(31,34,74,.09);--shadow-hover:0 20px 48px rgba(31,34,74,.16);
  --container:1200px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}button{font:inherit;border:0;cursor:pointer}img{max-width:100%;display:block}.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,247,251,.94);border-bottom:1px solid rgba(222,223,240,.8);backdrop-filter:blur(16px)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.2;max-width:270px}.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);display:grid;place-items:center;position:relative;overflow:hidden;flex:none}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}.brand-mark:before{width:17px;height:3px;top:10px}.brand-mark:after{width:3px;height:12px;left:16px;bottom:6px}.nav{display:flex;align-items:center;gap:4px;margin-left:auto}.nav a{padding:9px 12px;border-radius:9px;font-size:14px;font-weight:600;color:#52546e;transition:.2s}.nav a:hover,.nav a.active{background:var(--purple);color:var(--ink)}.nav-cta,.btn-primary{background:var(--mint);color:var(--ink);font-weight:800;border-radius:10px;box-shadow:0 5px 0 #21a990;transition:transform .2s,box-shadow .2s,filter .2s}.nav-cta{padding:10px 15px;white-space:nowrap;margin-left:8px}.nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 7px 0 #21a990;filter:brightness(1.03)}.nav-cta:active,.btn-primary:active{transform:translateY(2px);box-shadow:0 2px 0 #21a990}.menu-btn{display:none;background:var(--ink);color:#fff;border-radius:9px;padding:9px 12px}
.hero{background:var(--ink);color:#fff;overflow:hidden;position:relative;padding:72px 0 42px}.hero:before{content:"";position:absolute;width:720px;height:720px;border:1px solid rgba(164,243,228,.18);border-radius:50%;right:-250px;top:-420px}.hero:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(164,243,228,.16) 1px,transparent 1px);background-size:22px 22px;opacity:.35;pointer-events:none}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:54px;min-height:486px}.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.03em}.eyebrow{background:rgba(53,217,189,.15);border:1px solid rgba(164,243,228,.28);padding:6px 11px;color:var(--mint-2)}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint)}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(38px,5vw,62px);line-height:1.13;letter-spacing:-.045em;margin:20px 0}.hero h1 em{font-style:normal;color:var(--mint)}.hero p{font-size:17px;color:#d4d7eb;max-width:610px;margin-bottom:28px}.actions{display:flex;gap:13px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;min-height:47px;border-radius:10px;font-weight:800;font-size:14px;transition:.2s}.btn-secondary{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.04)}.btn-secondary:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}.hero-state{position:relative;z-index:2;margin-top:36px;display:flex;gap:10px;flex-wrap:wrap}.state{padding:7px 11px;border-radius:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.11);font-size:12px;color:#dce0f0}
.sim-screen{background:#f2f2fb;border:8px solid #33375d;border-radius:24px;padding:15px;box-shadow:0 30px 0 rgba(0,0,0,.15),0 25px 60px rgba(0,0,0,.3);color:var(--text);transform:rotate(2deg)}.screen-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.dots{display:flex;gap:5px}.dots b{width:7px;height:7px;border-radius:50%;background:#d8d9e8}.dots b:first-child{background:#ff9777}.play-status{background:#d7f8f1;color:#137765;padding:4px 8px;border-radius:6px;font-size:10px;font-weight:800}.screen-content{display:grid;grid-template-columns:84px 1fr;gap:11px}.screen-side{background:var(--ink);border-radius:12px;padding:11px 8px}.screen-side span{display:block;background:rgba(255,255,255,.13);height:7px;border-radius:10px;margin:10px 0}.screen-side span:first-child{background:var(--mint);width:80%}.game-area{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.game-tile{border-radius:11px;min-height:90px;padding:10px;position:relative;overflow:hidden;background:linear-gradient(135deg,#8564bb,#d7a0ce);color:#fff;font-weight:800;font-size:12px}.game-tile:nth-child(2){background:linear-gradient(135deg,#2d9ca1,#7bd7ca)}.game-tile:nth-child(3){background:linear-gradient(135deg,#f1966e,#e8c16a)}.game-tile:nth-child(4){background:linear-gradient(135deg,#4a5ea4,#9097e5)}.game-tile:after{content:"";position:absolute;width:55px;height:55px;border:7px solid rgba(255,255,255,.34);border-radius:50%;right:-14px;bottom:-15px}.screen-bottom{display:flex;align-items:center;gap:7px;margin-top:12px}.screen-bottom span{height:7px;background:#d9d9e9;border-radius:8px;flex:1}.screen-bottom span:first-child{background:var(--mint);flex:2}
main section{padding:82px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}.section-kicker{font-size:12px;font-weight:800;letter-spacing:.08em;color:#178d7c;text-transform:uppercase;margin-bottom:7px}.section-head h2{font-size:clamp(27px,3.4vw,39px);line-height:1.2;letter-spacing:-.035em;margin:0;color:var(--ink)}.section-head p{color:var(--muted);max-width:480px;margin:0;font-size:15px}
.quick-panel{display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.quick-item{padding:25px 22px;border-right:1px solid var(--line);transition:.2s}.quick-item:last-child{border:0}.quick-item:hover{background:#f2fcfa}.quick-icon{width:38px;height:38px;border-radius:11px;background:var(--purple);display:grid;place-items:center;color:var(--ink);font-weight:900;margin-bottom:15px}.quick-item:nth-child(2) .quick-icon,.quick-item:nth-child(4) .quick-icon{background:#d9f7f0}.quick-item h3{font-size:16px;margin:0 0 5px;color:var(--ink)}.quick-item p{color:var(--muted);font-size:13px;line-height:1.55;margin:0}.quick-arrow{display:block;margin-top:15px;color:#159b87;font-weight:800}
.games{background:var(--soft)}.game-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}.featured{min-height:382px;padding:29px;position:relative;overflow:hidden;background:linear-gradient(145deg,#3e4179,#191c3b 70%);border-radius:var(--radius);color:#fff}.featured:before{content:"";position:absolute;width:310px;height:310px;border:2px solid rgba(164,243,228,.24);border-radius:50%;right:-75px;bottom:-125px}.featured .badge{background:rgba(53,217,189,.17);color:var(--mint-2);padding:5px 9px}.featured h3{font-size:29px;margin:16px 0 8px;position:relative}.featured p{color:#d0d4ed;max-width:350px;font-size:14px;position:relative}.device-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px;position:relative}.device-tags span{border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:4px 9px;font-size:11px}.detail-link{position:absolute;bottom:27px;left:29px;font-size:14px;font-weight:800;color:var(--mint)}.mini-games{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.mini-game{border:1px solid var(--line);border-radius:var(--radius);padding:19px;background:var(--surface);transition:.2s}.mini-game:hover{border-color:var(--mint);transform:translateY(-3px);box-shadow:var(--shadow)}.mini-art{height:66px;border-radius:11px;margin-bottom:14px;background:linear-gradient(130deg,#f2b6aa,#d8a9df);position:relative;overflow:hidden}.mini-game:nth-child(2) .mini-art{background:linear-gradient(130deg,#97d4d0,#5b91b6)}.mini-game:nth-child(3) .mini-art{background:linear-gradient(130deg,#f0c97f,#e58269)}.mini-game:nth-child(4) .mini-art{background:linear-gradient(130deg,#a9adf0,#7876c5)}.mini-art:after{content:"";position:absolute;width:85px;height:85px;border:10px solid rgba(255,255,255,.25);border-radius:50%;right:-15px;top:-25px}.mini-game h3{font-size:15px;margin:0 0 5px}.mini-game p{font-size:12px;color:var(--muted);margin:0;line-height:1.55}
.channel-wrap{background:var(--ink);color:#fff;border-radius:22px;padding:34px}.channel-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:23px}.channel-top h2{margin:0;font-size:28px}.channel-top p{margin:0;color:#c1c5dc;font-size:14px}.channels{display:grid;grid-template-columns:repeat(6,1fr);gap:9px}.channel{border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05);padding:15px 12px;border-radius:11px;transition:.2s}.channel:hover{background:var(--mint);color:var(--ink);border-color:var(--mint);transform:translateY(-2px)}.channel b{display:block;font-size:12px;color:var(--mint);margin-bottom:8px}.channel:hover b{color:#167d6d}.channel span{font-size:14px;font-weight:800;line-height:1.35;display:block}
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.phone-stage{min-height:405px;background:linear-gradient(145deg,#e2ddf4,#c9e9e7);border-radius:22px;display:grid;place-items:center;position:relative;overflow:hidden}.phone-stage:before{content:"";width:320px;height:320px;border:1px solid rgba(23,25,50,.16);border-radius:50%;position:absolute;top:-120px;left:-110px}.phone{position:relative;width:192px;height:350px;border:8px solid #222440;background:#f8f8fd;border-radius:31px;padding:15px 11px;box-shadow:0 20px 35px rgba(32,35,75,.25)}.phone:before{content:"";position:absolute;width:72px;height:15px;background:#222440;border-radius:0 0 10px 10px;top:0;left:52px}.phone-app-title{font-size:12px;font-weight:900;margin:11px 0}.phone-banner{height:84px;border-radius:12px;background:linear-gradient(130deg,#554986,#69cbbb);padding:11px;color:#fff;font-size:11px;font-weight:800}.phone-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin-top:9px}.phone-cards span{height:52px;border-radius:8px;background:#e0def0}.phone-cards span:nth-child(2){background:#bde9e1}.phone-cards span:nth-child(3){background:#f1d5b1}.phone-cards span:nth-child(4){background:#c9caed}.app-info h2{font-size:37px;line-height:1.2;margin-bottom:16px;color:var(--ink)}.app-info>p{color:var(--muted);margin-bottom:20px}.app-options{display:grid;gap:10px;margin:22px 0}.app-option{display:flex;align-items:center;gap:12px;padding:13px;border:1px solid var(--line);border-radius:12px;background:#fff}.app-option b{width:36px;height:36px;border-radius:9px;display:grid;place-items:center;background:#ddf8f2;color:#147d6d}.app-option strong{display:block;font-size:14px}.app-option small{display:block;color:var(--muted);font-size:12px}.app-meta{display:flex;gap:15px;flex-wrap:wrap;color:var(--muted);font-size:12px}.app-meta span{padding-right:15px;border-right:1px solid var(--line)}.app-meta span:last-child{border:0}
.flow{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.flow-row{display:grid;grid-template-columns:repeat(4,1fr);position:relative}.flow-step{padding:20px 25px 15px;border-right:1px solid var(--line);position:relative}.flow-step:last-child{border:0}.flow-no{color:var(--mint);font-weight:900;font-size:13px}.flow-step h3{margin:7px 0 4px;font-size:17px}.flow-step p{margin:0;color:var(--muted);font-size:13px}
.guide-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}.guide-board{background:#202346;border-radius:20px;min-height:350px;position:relative;padding:25px;overflow:hidden}.guide-board:before{content:"";position:absolute;inset:70px 25px 25px;background:linear-gradient(130deg,#6864a4,#2c9b97);border-radius:15px;opacity:.85}.board-top{position:relative;display:flex;gap:8px}.board-top span{height:9px;width:9px;border-radius:50%;background:#ffb85a}.board-top span:nth-child(2){background:var(--mint)}.hotspot{position:absolute;z-index:2;background:#fff;color:var(--ink);border-radius:8px;padding:6px 9px;font-size:11px;font-weight:800;box-shadow:0 5px 15px rgba(0,0,0,.2)}.hotspot:before{content:"";position:absolute;width:9px;height:9px;background:var(--mint);border:2px solid #fff;border-radius:50%;left:-5px;top:50%;transform:translateY(-50%)}.spot-1{top:105px;left:48px}.spot-2{top:190px;right:38px}.spot-3{bottom:48px;left:165px}.guide-copy{padding:12px 0}.guide-copy h2{font-size:34px;line-height:1.22;margin-bottom:15px}.guide-copy p{color:var(--muted)}.guide-list{list-style:none;padding:0;margin:22px 0}.guide-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.guide-list b{color:#11917d}
.news{background:var(--soft)}.news-layout{display:grid;grid-template-columns:230px 1fr;gap:25px}.news-side{padding:24px;background:var(--ink);border-radius:18px;color:#fff}.news-side h3{font-size:25px;line-height:1.25;margin-bottom:10px}.news-side p{font-size:13px;color:#c8cce0}.news-side .badge{padding:5px 8px;background:rgba(53,217,189,.16);color:var(--mint-2)}.news-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:4px 23px}.news-item{display:grid;grid-template-columns:95px 1fr auto;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border:0}.news-date b{display:block;color:var(--ink);font-size:18px}.news-date span{font-size:11px;color:var(--muted)}.news-main h3{font-size:16px;margin:0 0 4px;line-height:1.4}.news-main p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.news-tag{font-size:11px;color:#147c6d;background:#dcf8f2;border-radius:999px;padding:5px 8px;white-space:nowrap}.empty{padding:35px 0;text-align:center;color:var(--muted)}
.update-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}.update-intro{background:#ffe8c8;border-radius:18px;padding:28px}.update-intro .badge{background:#fff4e2;color:#a06006;padding:5px 9px}.update-intro h2{font-size:29px;line-height:1.25;margin:14px 0 10px}.update-intro p{font-size:14px;color:#765b35}.log-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px 24px}.log-item{display:grid;grid-template-columns:90px 1fr auto;gap:14px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.log-item:last-child{border:0}.log-item time{font-size:12px;color:var(--muted)}.log-item h3{font-size:15px;margin:0 0 2px}.log-item p{font-size:12px;color:var(--muted);margin:0}.status-new{font-size:11px;font-weight:800;color:#a16413;background:#fff0d7;padding:4px 7px;border-radius:6px}
.safety{padding:0!important}.safety-inner{padding:30px 0;background:var(--ink)}.safety-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:20px;color:#fff}.safety-title h2{font-size:25px;line-height:1.3;margin:0}.safety-title p{color:#c8cce0;font-size:13px;margin:7px 0 0}.safe-item{border-left:1px solid rgba(255,255,255,.2);padding-left:19px}.safe-item b{font-size:14px;color:var(--mint)}.safe-item span{display:block;color:#d4d7e8;font-size:12px;line-height:1.55;margin-top:5px}
.steps{background:var(--surface)}.step-track{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden}.track-item{padding:23px 19px;border-right:1px solid var(--line);min-height:160px}.track-item:last-child{border:0}.track-item b{display:block;color:#179480;font-size:13px}.track-item h3{font-size:16px;margin:8px 0 5px}.track-item p{font-size:12px;color:var(--muted);margin:0}
.faq-wrap{max-width:900px;margin:auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:10px;overflow:hidden}.faq-q{width:100%;text-align:left;background:#fff;color:var(--ink);padding:17px 20px;font-size:15px;font-weight:800;display:flex;justify-content:space-between;align-items:center}.faq-q span{width:24px;height:24px;border-radius:50%;background:var(--soft);display:grid;place-items:center;transition:.25s}.faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}.faq-item.open{border-color:#a6e8dc}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{background:var(--mint);transform:rotate(45deg)}
.reading{background:var(--soft)}.reading-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.read-feature{padding:29px;border-radius:18px;background:linear-gradient(130deg,#55517f,#292c50);color:#fff;min-height:250px}.read-feature .badge{background:rgba(255,255,255,.13);color:#dce0f0;padding:5px 8px}.read-feature h3{font-size:26px;line-height:1.3;margin:17px 0 10px}.read-feature p{font-size:13px;color:#d4d7eb}.compact-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:7px 22px}.compact-item{display:block;padding:16px 0;border-bottom:1px solid var(--line)}.compact-item:last-child{border:0}.compact-item small{color:#188c7a;font-weight:800}.compact-item h3{font-size:15px;margin:4px 0}.compact-item p{font-size:12px;color:var(--muted);margin:0}
.closing{padding-top:0!important}.closing-box{background:var(--purple);border-radius:22px;padding:42px;display:flex;align-items:center;justify-content:space-between;gap:35px}.closing-box h2{font-size:32px;line-height:1.25;margin:0 0 8px;color:var(--ink)}.closing-box p{margin:0;color:var(--muted)}.closing-box .btn-secondary{border-color:#b8b5d8;color:var(--ink)}.closing-box .btn-secondary:hover{background:var(--ink);color:#fff}
.footer{background:#101228;color:#d2d5e5;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr .75fr .75fr 1.1fr;gap:35px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.13)}.footer .brand{color:#fff;margin-bottom:13px}.footer p{font-size:13px;color:#abb0ca;margin:0}.footer h3{font-size:14px;color:#fff;margin:0 0 13px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:13px;color:#b7bad0;transition:.2s}.footer-links a:hover{color:var(--mint)}.compliance{font-size:12px;line-height:1.7;color:#abb0ca}.copyright{display:flex;justify-content:space-between;gap:15px;padding-top:18px;font-size:12px;color:#888da9}
a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@media(max-width:1024px){.nav{gap:0}.nav a{padding:8px}.hero-grid{gap:30px}.channels{grid-template-columns:repeat(3,1fr)}.safety-grid{grid-template-columns:1fr 1fr}.safety-title{grid-column:1/-1}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(max-width:768px){.container{width:min(100% - 32px,1200px)}.nav-wrap{height:66px}.brand{font-size:14px}.menu-btn{display:block;margin-left:auto}.nav{display:none;position:absolute;top:66px;left:16px;right:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:10px;flex-direction:column;align-items:stretch}.nav.show{display:flex}.nav a{text-align:center}.nav-cta{margin:4px 0 0;text-align:center}.hero{padding:52px 0 30px}.hero-grid,.app-grid,.guide-grid,.news-layout,.update-grid,.reading-grid{grid-template-columns:1fr}.hero-grid{min-height:auto}.sim-screen{max-width:480px;margin:10px auto 0}.quick-panel{grid-template-columns:1fr 1fr}.quick-item:nth-child(2){border-right:0}.quick-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.game-layout{grid-template-columns:1fr}.news-side{padding:20px}.section-head{align-items:start;flex-direction:column}.flow-row{grid-template-columns:1fr 1fr}.flow-step:nth-child(2){border-right:0}.flow-step:nth-child(-n+2){border-bottom:1px solid var(--line)}.step-track{grid-template-columns:1fr}.track-item{border-right:0;border-bottom:1px solid var(--line);min-height:auto}.track-item:last-child{border:0}.footer-grid{grid-template-columns:1fr 1fr}.closing-box{display:block}.closing-box .actions{margin-top:20px}}
@media(max-width:520px){main section{padding:58px 0}.hero h1{font-size:38px}.hero p{font-size:15px}.actions .btn{width:100%}.quick-panel,.mini-games,.channels,.footer-grid{grid-template-columns:1fr}.quick-item{border-right:0!important;border-bottom:1px solid var(--line)}.quick-item:last-child{border-bottom:0}.channels{gap:8px}.channel{padding:13px}.screen-content{grid-template-columns:65px 1fr}.featured{min-height:330px}.app-info h2,.guide-copy h2{font-size:29px}.news-list{padding:3px 16px}.news-item{grid-template-columns:60px 1fr}.news-tag{display:none}.log-item{grid-template-columns:65px 1fr}.status-new{display:none}.safety-grid{grid-template-columns:1fr}.safe-item{border-left:0;border-top:1px solid rgba(255,255,255,.16);padding:14px 0 0}.flow-row{grid-template-columns:1fr}.flow-step{border-right:0;border-bottom:1px solid var(--line)}.flow-step:last-child{border:0}.phone-stage{min-height:350px}.phone{transform:scale(.9)}.closing-box{padding:28px}.closing-box h2{font-size:27px}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}}

/* roulang page: article */
:root{
  --ink:#171932;--ink-2:#25294d;--mint:#35d9bd;--mint-2:#a4f3e4;--orange:#ffb85a;
  --bg:#f7f7fb;--surface:#fff;--soft:#efeff8;--purple:#e9e6fb;--line:#dedff0;
  --text:#25263a;--muted:#70728b;--white:#fff;--radius:18px;--radius-sm:12px;
  --shadow:0 14px 40px rgba(31,34,74,.09);--shadow-hover:0 20px 48px rgba(31,34,74,.16);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{border:0;cursor:pointer}
img{max-width:100%;height:auto;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,247,251,.94);border-bottom:1px solid rgba(222,223,240,.8);backdrop-filter:blur(16px)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.2;max-width:270px}
.brand:hover{color:var(--ink)}
.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);display:grid;place-items:center;position:relative;overflow:hidden;flex:none}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
.brand-mark:before{width:17px;height:3px;top:10px}
.brand-mark:after{width:3px;height:12px;left:16px;bottom:6px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{padding:9px 12px;border-radius:9px;font-size:14px;font-weight:600;color:#52546e;transition:.2s ease}
.nav a:hover,.nav a.active{background:var(--purple);color:var(--ink)}
.nav-cta,.btn-primary{background:var(--mint)!important;color:var(--ink)!important;font-weight:800;border-radius:10px;box-shadow:0 5px 0 #21a990;transition:transform .2s,box-shadow .2s,filter .2s}
.nav-cta{padding:10px 15px!important;white-space:nowrap;margin-left:8px}
.nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 7px 0 #21a990;filter:brightness(1.03)}
.nav-cta:active,.btn-primary:active{transform:translateY(2px);box-shadow:0 2px 0 #21a990}
.menu-btn{display:none;background:var(--ink);color:#fff;border-radius:9px;padding:9px 12px}
.article-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:64px 0 58px}
.article-hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(164,243,228,.17);border-radius:50%;right:-120px;top:-280px}
.article-hero:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(164,243,228,.16) 1px,transparent 1px);background-size:22px 22px;opacity:.35;pointer-events:none}
.hero-inner{max-width:960px;position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:#cfd3e9;font-size:13px;margin-bottom:24px}
.breadcrumb a{color:var(--mint-2);transition:.2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.55}
.article-label,.tag{display:inline-flex;align-items:center;gap:7px;border-radius:999px;font-size:12px;font-weight:800}
.article-label{padding:6px 11px;background:rgba(53,217,189,.15);border:1px solid rgba(164,243,228,.28);color:var(--mint-2)}
.article-label:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint)}
.article-hero h1{max-width:920px;margin:17px 0 15px;font-size:clamp(32px,4.4vw,54px);line-height:1.2;letter-spacing:-.04em;font-weight:800}
.article-summary{max-width:800px;margin:0;color:#d5d8eb;font-size:16px}
.article-meta{display:flex;flex-wrap:wrap;gap:11px 22px;margin-top:27px;padding-top:19px;border-top:1px solid rgba(255,255,255,.16);font-size:13px;color:#c9cde3}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta b{color:var(--mint-2);font-weight:700}
main{padding:0 0 82px}
.content-shell{max-width:900px;margin:-20px auto 0;position:relative;z-index:3}
.article-panel{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:clamp(26px,5vw,58px)}
.article-panel h2{margin:42px 0 16px;color:var(--ink);font-size:clamp(24px,3vw,31px);line-height:1.35;letter-spacing:-.025em}
.article-panel h2:first-child{margin-top:0}
.article-panel h3{margin:28px 0 12px;color:var(--ink-2);font-size:20px;line-height:1.45}
.article-panel p{margin:0 0 20px;font-size:16px;color:#383a51}
.article-panel ul,.article-panel ol{padding-left:24px;margin:0 0 22px}
.article-panel li{margin:8px 0;padding-left:3px}
.article-panel blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--mint);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#effcf9;color:#334557}
.article-panel img{border-radius:14px;margin:28px auto;box-shadow:0 10px 30px rgba(31,34,74,.10)}
.article-panel table{width:100%;margin:24px 0;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14px}
.article-panel th,.article-panel td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-panel th{background:var(--soft);color:var(--ink)}
.article-panel tr:last-child td{border-bottom:0}
.article-panel pre,.article-panel code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.article-panel pre{padding:16px;border-radius:12px;background:var(--ink);color:#edf1ff;overflow:auto}
.notice-card{max-width:900px;margin:26px auto 0;display:flex;gap:16px;padding:22px 25px;border:1px solid #bfece3;background:#edfcf8;border-radius:var(--radius-sm)}
.notice-icon{width:36px;height:36px;flex:none;border-radius:10px;background:var(--mint);color:var(--ink);display:grid;place-items:center;font-weight:900}
.notice-card h2{font-size:16px;margin:0 0 4px;color:var(--ink)}
.notice-card p{margin:0;color:#526275;font-size:14px}
.section{padding-top:66px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:24px}
.section-kicker{font-size:12px;font-weight:800;letter-spacing:.08em;color:#178d7c;margin-bottom:6px}
.section-head h2{margin:0;font-size:clamp(25px,3vw,35px);line-height:1.25;color:var(--ink);letter-spacing:-.03em}
.section-head p{max-width:440px;margin:0;color:var(--muted);font-size:14px}
.related-list{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.related-main,.related-side a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:.22s ease}
.related-main{padding:28px;min-height:224px;background:linear-gradient(135deg,#e8e5fa 0%,#fff 68%)}
.related-side{display:grid;gap:12px}
.related-side a{padding:18px 20px}
.related-main:hover,.related-side a:hover{border-color:#84dfcf;box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.tag{padding:4px 9px;background:#dff9f3;color:#117d6d}
.tag.orange{background:#fff0d6;color:#ae6c14}
.related-main h3,.related-side h3{color:var(--ink);line-height:1.45;font-size:20px;margin:14px 0 8px}
.related-side h3{font-size:16px;margin:8px 0 5px}
.related-main p,.related-side p{margin:0;color:var(--muted);font-size:14px}
.item-meta{display:flex;gap:12px;flex-wrap:wrap;color:#7c7e94;font-size:12px;margin-top:16px}
.browse-bar{margin-top:28px;padding:24px 27px;border-radius:var(--radius);background:var(--ink-2);display:flex;align-items:center;justify-content:space-between;gap:20px;color:#fff}
.browse-bar h2{font-size:20px;margin:0 0 4px}
.browse-bar p{font-size:14px;color:#d0d4ed;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:10px;font-size:14px;font-weight:800;transition:.2s ease}
.btn-primary{white-space:nowrap}
.btn-secondary{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-secondary:hover{background:var(--purple);border-color:#c9c3eb;transform:translateY(-2px)}
.compliance-strip{margin-top:26px;padding:18px 22px;border-radius:var(--radius-sm);border:1px solid #f3d7ac;background:#fff8eb;color:#725528;font-size:14px}
.compliance-strip strong{color:#805916}
.empty-state{padding:42px 25px;text-align:center;border:1px dashed #c8c9dc;border-radius:var(--radius-sm);background:#fafaff}
.empty-state h2{margin:0 0 8px;font-size:22px;color:var(--ink)}
.empty-state p{margin:0 0 18px;color:var(--muted)}
.footer{background:var(--ink);color:#fff;padding:58px 0 22px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.25fr .7fr .8fr 1.1fr;gap:38px;padding-bottom:40px}
.footer .brand{color:#fff}
.footer .brand-mark{background:var(--mint)}
.footer .brand-mark:before,.footer .brand-mark:after{background:var(--ink)}
.footer p{color:#bfc3db;font-size:14px;margin:17px 0 0;max-width:300px}
.footer h3{font-size:14px;color:var(--mint-2);margin:5px 0 14px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:14px;color:#cfd3e6;transition:.2s}
.footer-links a:hover{color:var(--mint);transform:translateX(3px)}
.compliance{font-size:13px;line-height:1.75;color:#bec3dc}
.copyright{display:flex;justify-content:space-between;gap:14px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13);font-size:12px;color:#9ea4c3}
a:focus-visible,button:focus-visible{outline:3px solid rgba(53,217,189,.7);outline-offset:3px}
@media(max-width:1024px){
  .related-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{width:min(var(--container),calc(100% - 32px))}
  .nav-wrap{height:68px;gap:13px}
  .menu-btn{display:block;margin-left:auto}
  .nav{display:none;position:absolute;top:68px;left:16px;right:16px;margin:0;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav.open{display:flex}
  .nav a,.nav-cta{margin:0!important;padding:11px 13px!important}
  .article-hero{padding:46px 0 48px}
  .article-hero h1{font-size:34px}
  .article-summary{font-size:15px}
  .content-shell{margin:-15px 16px 0}
  .article-panel{padding:28px 22px}
  .article-panel p{font-size:15px}
  .section{padding-top:48px}
  .section-head{display:block}
  .section-head p{margin-top:10px}
  .browse-bar{display:block;padding:23px}
  .browse-bar .btn{margin-top:17px;width:100%}
}
@media(max-width:520px){
  .brand{font-size:14px}
  .brand-mark{width:32px;height:32px}
  .article-hero h1{font-size:29px}
  .article-meta{gap:8px 13px}
  .article-panel{padding:23px 18px}
  .article-panel h2{font-size:24px}
  .notice-card{margin:20px 16px 0;padding:18px;align-items:flex-start}
  .footer{padding-top:42px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .copyright{display:block;line-height:2}
}

/* roulang page: category1 */
:root{
      --ink:#171932;--ink-2:#25294d;--mint:#35d9bd;--mint-2:#a4f3e4;--orange:#ffb85a;
      --bg:#f7f7fb;--surface:#fff;--soft:#efeff8;--purple:#e9e6fb;--line:#dedff0;
      --text:#25263a;--muted:#70728b;--white:#fff;--radius:18px;--radius-sm:12px;
      --shadow:0 14px 40px rgba(31,34,74,.09);--shadow-hover:0 20px 48px rgba(31,34,74,.16);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    img{max-width:100%;display:block}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,247,251,.95);border-bottom:1px solid rgba(222,223,240,.85);backdrop-filter:blur(16px)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.2;max-width:270px}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);display:grid;place-items:center;position:relative;overflow:hidden;flex:none}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
    .brand-mark:before{width:17px;height:3px;top:10px}
    .brand-mark:after{width:3px;height:12px;left:16px;bottom:6px}
    .nav{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav a{padding:9px 12px;border-radius:9px;font-size:14px;font-weight:600;color:#52546e;transition:.2s}
    .nav a:hover,.nav a.active{background:var(--purple);color:var(--ink)}
    .nav .nav-cta{background:var(--mint);color:var(--ink);font-weight:800;border-radius:10px;box-shadow:0 5px 0 #21a990;padding:10px 15px;white-space:nowrap;margin-left:8px}
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 7px 0 #21a990!important}
    .menu-btn{display:none;background:var(--ink);color:#fff;border-radius:9px;padding:9px 12px}
    .page-intro{background:var(--ink);color:#fff;padding:76px 0 70px;position:relative;overflow:hidden}
    .page-intro:after{content:"";position:absolute;right:-120px;top:-230px;width:600px;height:600px;border:1px solid rgba(164,243,228,.2);border-radius:50%;box-shadow:0 0 0 48px rgba(164,243,228,.035),0 0 0 96px rgba(164,243,228,.025)}
    .intro-inner{position:relative;z-index:1;max-width:820px}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.03em}
    .eyebrow{background:rgba(53,217,189,.15);border:1px solid rgba(164,243,228,.28);padding:6px 11px;color:var(--mint-2)}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint)}
    h1{font-size:clamp(36px,5vw,58px);line-height:1.15;letter-spacing:-.045em;margin:20px 0 16px}
    .intro-inner p{color:#d4d7eb;font-size:17px;max-width:700px;margin:0}
    main section{padding:76px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}
    .section-kicker{font-size:12px;font-weight:800;letter-spacing:.08em;color:#178d7c;margin-bottom:7px}
    .section-head h2{font-size:clamp(27px,3.4vw,39px);line-height:1.2;letter-spacing:-.035em;margin:0;color:var(--ink)}
    .section-head p{color:var(--muted);max-width:500px;margin:0;font-size:15px}
    .filter-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);display:flex;gap:28px;align-items:center;flex-wrap:wrap}
    .filter-title{font-weight:800;color:var(--ink);min-width:150px}
    .filter-list{display:flex;gap:9px;flex-wrap:wrap}
    .filter-list span,.badge{padding:6px 11px;background:var(--soft);color:#555873}
    .filter-list span:first-child{background:var(--mint);color:var(--ink)}
    .content-section{background:#fff}
    .post-list{display:grid;gap:14px}
    .post-item{display:grid;grid-template-columns:112px 1fr auto;gap:24px;align-items:center;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);transition:.22s}
    .post-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--mint)}
    .post-date{font-size:13px;font-weight:800;color:#178d7c;border-right:1px solid var(--line);padding-right:20px}
    .post-item h3{font-size:19px;line-height:1.4;color:var(--ink);margin:0 0 5px}
    .post-item p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .post-meta{font-size:12px;color:#178d7c;white-space:nowrap}
    .empty-state{padding:38px;text-align:center;color:var(--muted);background:var(--soft);border-radius:var(--radius-sm)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step}
    .step{position:relative;padding:12px 28px 12px 0;border-top:2px solid var(--line)}
    .step:not(:last-child):after{content:"";position:absolute;top:-2px;right:0;width:50%;height:2px;background:var(--mint)}
    .step-number{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--ink);color:var(--mint);font-weight:800;margin-top:-29px;margin-bottom:18px}
    .step h3{font-size:17px;color:var(--ink);margin:0 0 5px}
    .step p{font-size:14px;color:var(--muted);margin:0;padding-right:12px}
    .device-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .device-main,.device-side{border-radius:var(--radius);padding:30px;border:1px solid var(--line)}
    .device-main{background:linear-gradient(135deg,#ece9fb,#d9f5ef)}
    .device-main h3,.device-side h3{color:var(--ink);margin:0 0 10px;font-size:22px}
    .device-main p,.device-side p{color:var(--muted);margin:0}
    .device-icons{display:flex;gap:12px;margin-top:25px;flex-wrap:wrap}
    .device-icons span{background:#fff;border-radius:10px;padding:10px 15px;font-weight:700;color:var(--ink);border:1px solid rgba(23,25,50,.08)}
    .device-side{background:#fff}
    .device-side ul,.notice ul{padding-left:20px;margin:15px 0 0;color:var(--muted);font-size:14px}
    .notice{background:var(--ink);color:#fff;border-radius:var(--radius);padding:30px 34px;display:flex;justify-content:space-between;gap:30px;align-items:center}
    .notice h2{font-size:25px;margin:0 0 5px}
    .notice p{color:#cdd1e5;margin:0}
    .notice ul{color:#d4d7eb;margin:0;min-width:300px}
    .faq{display:grid;gap:10px;max-width:900px}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 20px}
    .faq details[open]{border-color:var(--mint);box-shadow:var(--shadow)}
    .faq summary{cursor:pointer;list-style:none;padding:17px 0;font-weight:800;color:var(--ink);display:flex;justify-content:space-between}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"＋";color:#178d7c;font-size:20px}
    .faq details[open] summary:after{content:"－"}
    .faq p{border-top:1px solid var(--line);padding:14px 0 18px;margin:0;color:var(--muted);font-size:14px}
    .more-area{text-align:center;padding-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;min-height:47px;border-radius:10px;font-weight:800;font-size:14px;transition:.2s}
    .btn-primary{background:var(--mint);color:var(--ink);box-shadow:0 5px 0 #21a990}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 7px 0 #21a990}
    .btn-secondary{border:1px solid var(--line);color:var(--ink);background:#fff}
    .btn-secondary:hover{border-color:var(--mint);background:#f2fcfa;transform:translateY(-2px)}
    .cta{background:var(--purple);text-align:center;padding:58px 20px;border-radius:var(--radius)}
    .cta h2{color:var(--ink);font-size:32px;margin:0 0 10px}
    .cta p{color:var(--muted);margin:0 auto 22px;max-width:650px}
    .footer{background:var(--ink);color:#d4d7eb;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .9fr 1.2fr;gap:35px}
    .footer .brand{color:#fff;margin-bottom:17px}
    .footer p{font-size:13px;color:#aeb3cb;max-width:260px}
    .footer h3{font-size:15px;color:#fff;margin:4px 0 15px}
    .footer-links{display:grid;gap:8px;font-size:13px;color:#aeb3cb}
    .footer-links a:hover{color:var(--mint)}
    .compliance{font-size:12px;line-height:1.7;color:#aeb3cb}
    .copyright{border-top:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:15px;margin-top:38px;padding-top:18px;color:#9096b2;font-size:12px}
    @media(max-width:1024px){
      .nav-wrap{gap:14px}.nav a{padding:8px 8px;font-size:13px}
      .device-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{height:68px}.menu-btn{display:block;margin-left:auto}
      .nav{display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:12px}.nav .nav-cta{margin:5px 0 0;text-align:center}
      .page-intro{padding:58px 0}.intro-inner p{font-size:15px}
      main section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:10px}
      .post-item{grid-template-columns:1fr;gap:8px}.post-date{border:0;padding:0}.post-meta{white-space:normal}
      .steps{grid-template-columns:1fr 1fr;gap:28px 18px}.step{padding-right:8px}
      .step:not(:last-child):after{display:none}.notice{display:block}.notice ul{min-width:0;margin-top:20px}
    }
    @media(max-width:520px){
      h1{font-size:36px}.filter-panel{padding:20px;gap:15px}.filter-title{min-width:100%}
      .steps{grid-template-columns:1fr}.step{border-top:1px solid var(--line);padding:18px 0 0}
      .step-number{margin-top:-35px}.device-main,.device-side{padding:23px}
      .footer-grid{grid-template-columns:1fr;gap:24px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
      .cta h2{font-size:26px}
    }

/* roulang page: category3 */
:root{
      --ink:#171932;--ink-2:#25294d;--mint:#35d9bd;--mint-2:#a4f3e4;--orange:#ffb85a;
      --bg:#f7f7fb;--surface:#fff;--soft:#efeff8;--purple:#e9e6fb;--line:#dedff0;
      --text:#25263a;--muted:#70728b;--white:#fff;--radius:18px;--radius-sm:12px;
      --shadow:0 14px 40px rgba(31,34,74,.09);--shadow-hover:0 20px 48px rgba(31,34,74,.16);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,247,251,.94);border-bottom:1px solid rgba(222,223,240,.8);backdrop-filter:blur(16px)}
    .nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.2;max-width:270px}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);display:grid;place-items:center;position:relative;overflow:hidden;flex:none}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
    .brand-mark:before{width:17px;height:3px;top:10px}
    .brand-mark:after{width:3px;height:12px;left:16px;bottom:6px}
    .nav{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav a{padding:9px 12px;border-radius:9px;font-size:14px;font-weight:600;color:#52546e;transition:.2s}
    .nav a:hover,.nav a.active{background:var(--purple);color:var(--ink)}
    .nav-cta,.btn-primary{background:var(--mint)!important;color:var(--ink)!important;font-weight:800;border-radius:10px;box-shadow:0 5px 0 #21a990;transition:transform .2s,box-shadow .2s,filter .2s}
    .nav-cta{padding:10px 15px!important;white-space:nowrap;margin-left:8px}
    .nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 7px 0 #21a990;filter:brightness(1.03)}
    .nav-cta:active,.btn-primary:active{transform:translateY(2px);box-shadow:0 2px 0 #21a990}
    .menu-btn{display:none;background:var(--ink);color:#fff;border-radius:9px;padding:9px 12px}
    main{overflow:hidden}
    main section{padding:78px 0}
    .page-intro{padding:62px 0 52px;background:var(--ink);color:#fff;position:relative;overflow:hidden}
    .page-intro:before{content:"";position:absolute;width:470px;height:470px;border:1px solid rgba(164,243,228,.17);border-radius:50%;right:-100px;top:-240px}
    .page-intro:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(164,243,228,.14) 1px,transparent 1px);background-size:22px 22px;opacity:.42}
    .intro-inner{position:relative;z-index:1;max-width:820px}
    .crumb{display:flex;gap:8px;align-items:center;color:#bbc0dc;font-size:13px;margin-bottom:18px}
    .crumb span{color:var(--mint)}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.03em}
    .eyebrow{background:rgba(53,217,189,.15);border:1px solid rgba(164,243,228,.28);padding:6px 11px;color:var(--mint-2)}
    .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,57px);line-height:1.15;letter-spacing:-.045em;margin:17px 0;color:#fff}
    .intro-inner>p{font-size:17px;color:#d5d8ec;max-width:760px;margin:0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}
    .section-kicker{font-size:12px;font-weight:800;letter-spacing:.08em;color:#178d7c;text-transform:uppercase;margin-bottom:7px}
    .section-head h2{font-size:clamp(27px,3.4vw,39px);line-height:1.2;letter-spacing:-.035em;margin:0;color:var(--ink)}
    .section-head p{color:var(--muted);max-width:480px;margin:0;font-size:15px}
    .badge{padding:5px 10px;background:#daf8f1;color:#157d6d}
    .badge.orange{background:#fff0d8;color:#a96511}
    .badge.dark{background:var(--ink-2);color:var(--mint-2)}
    .download-panel{display:grid;grid-template-columns:1fr 1.08fr;gap:42px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow)}
    .device-scene{min-height:390px;border-radius:18px;background:linear-gradient(145deg,#e4e0f5,#c7ece5);position:relative;display:grid;place-items:center;overflow:hidden}
    .device-scene:before{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(23,25,50,.14);border-radius:50%;left:-150px;top:-160px}
    .device-scene:after{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(23,25,50,.13);border-radius:50%;right:-120px;bottom:-90px}
    .phone{width:205px;height:360px;background:var(--ink);border:7px solid #3d4266;border-radius:31px;padding:14px 11px;position:relative;z-index:1;box-shadow:0 24px 38px rgba(23,25,50,.24)}
    .phone:before{content:"";width:72px;height:16px;background:#3d4266;border-radius:0 0 12px 12px;position:absolute;top:0;left:60px}
    .phone-screen{height:100%;border-radius:21px;background:#f9f9fd;padding:20px 11px 11px;overflow:hidden}
    .phone-top{display:flex;justify-content:space-between;align-items:center;font-size:8px;font-weight:800;color:var(--ink);margin-bottom:13px}
    .mini-banner{height:84px;border-radius:12px;background:linear-gradient(135deg,#292e5d,#51599a);position:relative;overflow:hidden;padding:12px;color:#fff}
    .mini-banner:after{content:"";position:absolute;width:94px;height:94px;border:1px solid rgba(164,243,228,.45);border-radius:50%;right:-30px;top:-30px}
    .mini-banner b{font-size:11px;display:block;position:relative;z-index:1}
    .mini-banner span{font-size:8px;color:var(--mint-2);position:relative;z-index:1}
    .mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:10px}
    .mini-card{height:76px;border-radius:10px;background:#e4e2f3;padding:8px;position:relative}
    .mini-card:nth-child(2){background:#cceee7}.mini-card:nth-child(3){background:#f5dfbe}.mini-card:nth-child(4){background:#d6d8f5}
    .mini-card:after{content:"";position:absolute;width:25px;height:5px;border-radius:8px;background:rgba(23,25,50,.25);left:8px;bottom:11px}
    .download-copy h2{font-size:31px;line-height:1.25;color:var(--ink);margin:12px 0}
    .download-copy>p{color:var(--muted);margin-bottom:21px}
    .version-row{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:19px 0 24px}
    .version-item{border:1px solid var(--line);border-radius:12px;padding:11px 13px;background:#fafaff}
    .version-item small{display:block;color:var(--muted);font-size:11px;margin-bottom:2px}
    .version-item b{font-size:13px;color:var(--ink)}
    .button-row{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;min-height:47px;border-radius:10px;font-weight:800;font-size:14px;transition:.2s}
    .btn-outline{border:1px solid var(--line);background:#fff;color:var(--ink)}
    .btn-outline:hover{border-color:var(--mint);background:#f1fffc;transform:translateY(-2px)}
    .platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .platform-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow);transition:.25s}
    .platform-card:hover{transform:translateY(-5px);border-color:#a2eadd;box-shadow:var(--shadow-hover)}
    .platform-icon{width:48px;height:48px;border-radius:14px;background:var(--purple);display:grid;place-items:center;font-size:22px;margin-bottom:17px}
    .platform-card:nth-child(2) .platform-icon{background:#d8f7f0}
    .platform-card h3{font-size:21px;color:var(--ink);margin-bottom:9px}
    .platform-card>p{font-size:14px;color:var(--muted);margin-bottom:16px}
    .step-list{list-style:none;padding:0;margin:0;counter-reset:steps}
    .step-list li{counter-increment:steps;display:grid;grid-template-columns:37px 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:14px;color:#575a73}
    .step-list li:before{content:"0" counter(steps);width:30px;height:30px;display:grid;place-items:center;background:var(--ink);color:var(--mint);font-size:11px;font-weight:900;border-radius:9px}
    .soft-section{background:#efeff8}
    .compare-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .compare-head,.compare-row{display:grid;grid-template-columns:1fr 1.18fr 1.18fr}
    .compare-head{background:var(--ink);color:#fff;font-size:14px;font-weight:800}
    .compare-head div,.compare-row div{padding:17px 20px;border-right:1px solid rgba(222,223,240,.8)}
    .compare-head div:last-child,.compare-row div:last-child{border-right:0}
    .compare-row{font-size:14px;border-bottom:1px solid var(--line)}
    .compare-row:last-child{border-bottom:0}
    .compare-row div:first-child{font-weight:800;color:var(--ink);background:#fbfbfe}
    .preview-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .preview-stage{background:var(--ink);border-radius:var(--radius);padding:25px;min-height:350px;position:relative;overflow:hidden}
    .preview-stage:before{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(164,243,228,.18);border-radius:50%;right:-130px;bottom:-190px}
    .dashboard{position:relative;z-index:1;background:#f9f9fd;border-radius:14px;padding:16px;min-height:300px}
    .dash-bar{height:16px;width:40%;background:#d9d9ec;border-radius:99px;margin-bottom:16px}
    .dash-layout{display:grid;grid-template-columns:72px 1fr;gap:12px}
    .dash-side{background:#20244a;border-radius:10px;min-height:225px;padding:13px 9px}
    .dash-side span{height:7px;display:block;background:#747aaf;border-radius:9px;margin:10px 0}
    .dash-side span:first-child{background:var(--mint)}
    .dash-main{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .dash-main div{border-radius:10px;background:#e3e2f1;min-height:92px;position:relative}
    .dash-main div:nth-child(2){background:#caece5}.dash-main div:nth-child(3){background:#f3d9b9}.dash-main div:nth-child(4){background:#cdd0ef}
    .dash-main div:after{content:"";position:absolute;left:11px;bottom:12px;width:42%;height:6px;background:rgba(23,25,50,.25);border-radius:99px}
    .annotation-list{display:flex;flex-direction:column;gap:12px}
    .annotation{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 17px;display:flex;gap:12px;align-items:flex-start;box-shadow:0 8px 22px rgba(31,34,74,.05)}
    .annotation-num{width:26px;height:26px;flex:none;display:grid;place-items:center;border-radius:8px;background:var(--mint);color:var(--ink);font-size:12px;font-weight:900}
    .annotation b{display:block;font-size:14px;color:var(--ink);margin-bottom:2px}
    .annotation p{font-size:13px;color:var(--muted);line-height:1.55;margin:0}
    .timeline{position:relative;max-width:970px;margin:auto}
    .timeline:before{content:"";position:absolute;left:143px;top:12px;bottom:12px;width:2px;background:#cbdedb}
    .timeline-item{display:grid;grid-template-columns:125px 36px 1fr;gap:16px;padding:0 0 24px}
    .timeline-date{font-size:13px;font-weight:800;color:#178d7c;padding-top:3px;text-align:right}
    .timeline-dot{width:15px;height:15px;border:4px solid var(--mint);background:#fff;border-radius:50%;margin-top:5px;position:relative;z-index:1}
    .timeline-content{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:0 8px 24px rgba(31,34,74,.05)}
    .timeline-content h3{font-size:16px;color:var(--ink);margin-bottom:5px}
    .timeline-content p{font-size:14px;color:var(--muted);margin:0}
    .notice{background:var(--ink);color:#fff;padding:30px;border-radius:var(--radius);display:grid;grid-template-columns:auto 1fr;gap:19px;align-items:start}
    .notice-icon{width:46px;height:46px;border-radius:14px;background:rgba(53,217,189,.16);color:var(--mint);display:grid;place-items:center;font-size:22px}
    .notice h2{font-size:23px;margin:0 0 6px}
    .notice p{color:#d3d7eb;margin:0;font-size:14px}
    .faq-wrap{max-width:920px;margin:auto}
    .faq-item{background:var(--surface);border:1px solid var(--line);border-radius:13px;margin-bottom:11px;overflow:hidden;transition:.2s}
    .faq-item:has(button[aria-expanded="true"]){border-color:#93e3d5;box-shadow:0 8px 20px rgba(31,34,74,.06)}
    .faq-question{width:100%;padding:17px 20px;background:transparent;display:flex;justify-content:space-between;gap:18px;text-align:left;font-weight:800;color:var(--ink);font-size:15px}
    .faq-question span:last-child{font-size:21px;color:#178d7c;line-height:1;transition:.2s}
    .faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg)}
    .faq-answer{padding:0 20px 18px;color:var(--muted);font-size:14px;display:none}
    .faq-answer.open{display:block}
    .more-section{padding-top:15px;padding-bottom:88px}
    .more-panel{background:linear-gradient(120deg,#e4e0f5,#cff1ea);border:1px solid #c7deda;border-radius:var(--radius);padding:34px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .more-panel h2{font-size:25px;line-height:1.25;color:var(--ink);margin:0 0 6px}
    .more-panel p{color:#595d75;margin:0;font-size:14px}
    .footer{background:var(--ink);color:#fff;padding:58px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .75fr .8fr 1.25fr;gap:30px}
    .footer .brand{color:#fff;margin-bottom:16px}
    .footer p{color:#c6c9dd;font-size:13px;max-width:280px}
    .footer h3{font-size:14px;color:var(--mint-2);margin:5px 0 14px}
    .footer-links{display:flex;flex-direction:column;gap:8px}
    .footer-links a{font-size:13px;color:#c6c9dd;transition:.2s}
    .footer-links a:hover{color:var(--mint);transform:translateX(3px)}
    .compliance{font-size:13px;color:#c6c9dd;line-height:1.75}
    .copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#aeb3cf;font-size:12px}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(53,217,189,.7);outline-offset:3px}
    @media(max-width:1024px){
      .platform-grid,.preview-grid{grid-template-columns:1fr}
      .download-panel{gap:28px}
      .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:1/-1}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .nav-wrap{height:68px;gap:14px}
      .menu-btn{display:block;margin-left:auto}
      .nav{display:none;position:absolute;top:68px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:9px;flex-direction:column;align-items:stretch}
      .nav.open{display:flex}
      .nav a,.nav-cta{margin:0!important;padding:11px 13px!important}
      .page-intro{padding:47px 0 43px}
      main section{padding:58px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .download-panel{grid-template-columns:1fr;padding:19px}
      .device-scene{min-height:330px}
      .platform-grid{gap:15px}
      .compare-wrap{overflow-x:auto}
      .compare-head,.compare-row{min-width:650px}
      .preview-stage{min-height:300px}
      .timeline:before{left:11px}
      .timeline-item{grid-template-columns:22px 1fr;gap:13px}
      .timeline-date{grid-column:2;text-align:left;padding:0;order:-1}
      .timeline-dot{grid-row:1/3;grid-column:1}
      .timeline-content{grid-column:2}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .brand{font-size:13px}.brand-mark{width:32px;height:32px}
      .page-intro h1{font-size:34px}
      .intro-inner>p{font-size:15px}
      .download-copy h2{font-size:26px}
      .version-row{grid-template-columns:1fr}
      .button-row .btn{width:100%}
      .phone{transform:scale(.89)}
      .device-scene{min-height:310px}
      .platform-card{padding:22px}
      .compare-head div,.compare-row div{padding:14px}
      .notice{padding:23px;grid-template-columns:1fr}
      .more-panel{padding:25px;display:block}
      .more-panel .btn{margin-top:19px;width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:last-child{grid-column:auto}
      .copyright{display:block}.copyright span{display:block;margin:5px 0}
    }

/* roulang page: category2 */
:root{
  --ink:#171932;--ink-2:#25294d;--mint:#35d9bd;--mint-2:#a4f3e4;--orange:#ffb85a;
  --bg:#f7f7fb;--surface:#fff;--soft:#efeff8;--purple:#e9e6fb;--line:#dedff0;
  --text:#25263a;--muted:#70728b;--white:#fff;--radius:18px;--radius-sm:12px;
  --shadow:0 14px 40px rgba(31,34,74,.09);--shadow-hover:0 20px 48px rgba(31,34,74,.16);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,247,251,.95);border-bottom:1px solid rgba(222,223,240,.8);backdrop-filter:blur(16px)}
.nav-wrap{height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:16px;line-height:1.2;max-width:270px}
.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);display:grid;place-items:center;position:relative;overflow:hidden;flex:none}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
.brand-mark:before{width:17px;height:3px;top:10px}
.brand-mark:after{width:3px;height:12px;left:16px;bottom:6px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{padding:9px 12px;border-radius:9px;font-size:14px;font-weight:600;color:#52546e;transition:.2s}
.nav a:hover,.nav a.active{background:var(--purple);color:var(--ink)}
.nav-cta,.btn-primary{background:var(--mint);color:var(--ink);font-weight:800;border-radius:10px;box-shadow:0 5px 0 #21a990;transition:transform .2s,box-shadow .2s,filter .2s}
.nav-cta{padding:10px 15px;white-space:nowrap;margin-left:8px}
.nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 7px 0 #21a990;filter:brightness(1.03)}
.nav-cta:active,.btn-primary:active{transform:translateY(2px);box-shadow:0 2px 0 #21a990}
.menu-btn{display:none;background:var(--ink);color:#fff;border-radius:9px;padding:9px 12px}
main section{padding:78px 0}
.page-intro{background:var(--ink);color:#fff;padding:72px 0 68px;position:relative;overflow:hidden}
.page-intro:before{content:"";position:absolute;width:560px;height:560px;border:1px solid rgba(164,243,228,.2);border-radius:50%;right:-170px;top:-290px}
.page-intro:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(164,243,228,.15) 1px,transparent 1px);background-size:22px 22px;opacity:.35}
.intro-inner{position:relative;z-index:1;max-width:830px}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.03em}
.eyebrow{background:rgba(53,217,189,.15);border:1px solid rgba(164,243,228,.28);padding:6px 11px;color:var(--mint-2)}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint)}
.page-intro h1{font-size:clamp(36px,5vw,60px);line-height:1.16;letter-spacing:-.045em;margin:20px 0 16px}
.page-intro h1 em{font-style:normal;color:var(--mint)}
.page-intro p{font-size:17px;color:#d4d7eb;max-width:760px;margin:0}
.intro-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.intro-meta span{padding:7px 13px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#dce1f2;font-size:13px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}
.section-kicker{font-size:12px;font-weight:800;letter-spacing:.08em;color:#178d7c;margin-bottom:7px}
.section-head h2{font-size:clamp(27px,3.4vw,39px);line-height:1.2;letter-spacing:-.035em;margin:0;color:var(--ink)}
.section-head p{color:var(--muted);max-width:500px;margin:0;font-size:15px}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.filter-bar span{padding:10px 16px;border-radius:10px;background:var(--soft);font-size:14px;color:#51536d;font-weight:700}
.filter-bar span.active{background:var(--mint);color:var(--ink)}
.content-layout{display:grid;grid-template-columns:1.5fr .8fr;gap:28px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:13px}
.news-item{display:grid;grid-template-columns:96px 1fr auto;gap:20px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;transition:.2s}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#a9e9de}
.news-date{color:#178d7c;font-weight:800;font-size:13px;border-right:1px solid var(--line);padding-right:18px}
.news-item h3{font-size:18px;line-height:1.35;margin:0 0 5px;color:var(--ink)}
.news-item p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-type{display:inline-block;color:#8b6a32;background:#fff2dd;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:800;margin-bottom:7px}
.read-link{color:#159b87;font-weight:800;font-size:13px;white-space:nowrap}
.empty-state{padding:42px;text-align:center;background:var(--surface);border:1px dashed #c8c9dc;border-radius:var(--radius);color:var(--muted)}
.feature-card{background:linear-gradient(145deg,#3e4179,#191c3b 70%);color:#fff;border-radius:var(--radius);padding:29px;min-height:280px;position:relative;overflow:hidden}
.feature-card:after{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(164,243,228,.25);border-radius:50%;right:-80px;bottom:-110px}
.feature-card h3{font-size:25px;line-height:1.3;margin:15px 0 10px;position:relative;z-index:1}
.feature-card p{color:#d1d5eb;font-size:14px;position:relative;z-index:1}
.feature-card .badge{padding:5px 9px;background:rgba(53,217,189,.17);color:var(--mint-2)}
.update-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.update-row{display:grid;grid-template-columns:92px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.update-row:last-child{border-bottom:0;padding-bottom:0}
.update-row:first-child{padding-top:0}
.update-version{color:var(--ink);font-weight:900}
.update-version small{display:block;color:#178d7c;font-size:11px;margin-top:3px}
.update-row h3{font-size:16px;margin:0 0 4px;color:var(--ink)}
.update-row p{font-size:13px;color:var(--muted);margin:0}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.2s}
.info-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.info-card .number{font-size:28px;color:var(--mint);font-weight:900}
.info-card h3{font-size:17px;margin:12px 0 7px;color:var(--ink)}
.info-card p{margin:0;color:var(--muted);font-size:14px}
.rule-section{background:var(--soft)}
.rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.rule-box{background:var(--surface);padding:27px;border-radius:var(--radius);border:1px solid var(--line)}
.rule-box h3{margin:0 0 13px;color:var(--ink);font-size:19px}
.rule-box ul{padding-left:20px;margin:0;color:var(--muted);font-size:14px}
.rule-box li{margin:8px 0}
.mobile-news{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mobile-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:21px}
.mobile-item h3{font-size:16px;margin:0 0 7px;color:var(--ink)}
.mobile-item p{font-size:13px;color:var(--muted);margin:0}
.notice{padding:22px 25px;border-left:4px solid var(--orange);background:#fff7e9;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#6b5739}
.notice strong{color:#5d4727}
.faq-list{max-width:900px;margin:auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden}
.faq-item summary{padding:17px 21px;cursor:pointer;font-weight:800;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary:after{content:"＋";font-size:20px;color:#178d7c}
.faq-item[open] summary{background:#f0fcf9}
.faq-item[open] summary:after{content:"−"}
.faq-answer{padding:0 21px 18px;color:var(--muted);font-size:14px}
.more-wrap{text-align:center;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;min-height:47px;border-radius:10px;font-weight:800;font-size:14px;transition:.2s}
.btn-primary{color:var(--ink);padding:12px 22px}
.btn-outline{border:1px solid #b9bbd0;color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--mint);background:#effcf9;transform:translateY(-2px)}
.cta-band{background:var(--purple);padding:52px 0}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-box h2{margin:0;color:var(--ink);font-size:30px;line-height:1.25}
.cta-box p{margin:8px 0 0;color:var(--muted);font-size:14px}
.footer{background:var(--ink);color:#d7daec;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .9fr 1.25fr;gap:35px}
.footer .brand{color:#fff}
.footer p{font-size:13px;color:#aeb3d0;max-width:260px;margin:18px 0 0}
.footer h3{font-size:14px;color:#fff;margin:5px 0 14px}
.footer-links{display:grid;gap:8px}
.footer-links a{font-size:13px;color:#aeb3d0;transition:.2s}
.footer-links a:hover{color:var(--mint)}
.compliance{font-size:12px;color:#aeb3d0;line-height:1.7}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;font-size:12px;color:#9298b8}
:focus-visible{outline:3px solid rgba(53,217,189,.65);outline-offset:3px}
@media(max-width:1024px){
  .nav-wrap{gap:15px}.nav a{padding:8px 8px;font-size:13px}
  .content-layout{grid-template-columns:1fr}.feature-card{min-height:220px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .container{width:min(var(--container),calc(100% - 32px))}
  .menu-btn{display:block;margin-left:auto}
  .nav{display:none;position:absolute;top:76px;left:16px;right:16px;background:#fff;padding:12px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
  .nav.open{display:flex}.nav a{padding:12px 14px}.nav-cta{margin:5px 0 0;text-align:center}
  main section{padding:58px 0}.page-intro{padding:56px 0}
  .section-head{display:block}.section-head p{margin-top:12px}
  .news-item{grid-template-columns:1fr auto;gap:8px 15px}.news-date{border:0;padding:0;grid-column:1/-1}
  .info-grid,.rule-grid,.mobile-news{grid-template-columns:1fr}
  .cta-box{display:block}.cta-box .btn{margin-top:20px}
}
@media(max-width:520px){
  .brand{font-size:14px;max-width:220px}.brand-mark{width:32px;height:32px}
  .page-intro h1{font-size:36px}.page-intro p{font-size:15px}
  .filter-bar{gap:7px}.filter-bar span{padding:8px 11px;font-size:12px}
  .news-item{padding:17px}.news-item h3{font-size:16px}.read-link{font-size:12px}
  .update-row{grid-template-columns:70px 1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
}