/* roulang page: index */
:root{
  --ink:#17201e;
  --charcoal:#202725;
  --charcoal-2:#2b3531;
  --jade:#137a68;
  --jade-dark:#0c5e50;
  --jade-soft:#e4f2ec;
  --gold:#b68a48;
  --gold-soft:#f6eddd;
  --paper:#faf9f5;
  --surface:#ffffff;
  --mist:#f1f3ef;
  --line:#dce3de;
  --text:#26302d;
  --muted:#6b7671;
  --shadow:0 16px 36px rgba(24,37,32,.08);
  --shadow-sm:0 8px 20px rgba(24,37,32,.06);
  --radius:14px;
  --radius-sm:9px;
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
::selection{background:var(--jade-soft);color:var(--jade-dark)}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.topline{background:var(--charcoal);color:#dce5e0;font-size:13px;letter-spacing:.03em}
.topline .container{height:36px;display:flex;align-items:center;justify-content:space-between}
.status-dot{display:inline-flex;align-items:center;gap:8px}
.status-dot i{width:7px;height:7px;border-radius:50%;background:#72bca6;display:block}
.site-header{background:rgba(250,249,245,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;color:var(--ink);font-size:21px;font-weight:800;letter-spacing:.02em}
.brand-mark{width:31px;height:35px;position:relative;border:2px solid var(--jade);border-radius:5px 5px 10px 10px}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--jade);left:6px;right:6px;height:2px}
.brand-mark:before{top:8px}.brand-mark:after{top:16px}
.brand-mark span{position:absolute;width:8px;height:8px;border:2px solid var(--jade);border-bottom:0;top:-7px;left:9px;border-radius:5px 5px 0 0}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{font-size:15px;color:#46524d;padding:11px 13px;border-radius:6px;position:relative;transition:.2s ease}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--jade-dark);background:var(--jade-soft);outline:none}
.nav-links a.active{color:var(--jade-dark);font-weight:700}
.nav-links a.active:after{content:"";height:2px;background:var(--jade);position:absolute;left:13px;right:13px;bottom:5px}
.nav-download{display:inline-flex;align-items:center;justify-content:center;background:var(--jade);color:#fff!important;padding:10px 16px!important;border-radius:7px;font-weight:700;box-shadow:0 5px 13px rgba(19,122,104,.16)}
.nav-download:hover,.nav-download:focus-visible{background:var(--jade-dark)!important;color:#fff!important;transform:translateY(-1px)}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);width:44px;height:42px;border-radius:8px;color:var(--ink)}
.menu-toggle svg{width:21px;height:21px}
.hero{position:relative;overflow:hidden;background:linear-gradient(112deg,#f4f2ea 0%,#faf9f5 57%,#e6f0ea 100%);padding:75px 0 84px;border-bottom:1px solid var(--line)}
.hero:before{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(182,138,72,.28);border-radius:50%;right:-125px;top:-180px}
.hero:after{content:"";position:absolute;right:8%;bottom:-20px;width:145px;height:145px;background:repeating-linear-gradient(90deg,transparent 0 17px,rgba(19,122,104,.1) 18px 19px),repeating-linear-gradient(0deg,transparent 0 17px,rgba(19,122,104,.1) 18px 19px)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:68px;align-items:center;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--jade-dark);font-size:13px;font-weight:700;letter-spacing:.12em}
.eyebrow:before{content:"";width:28px;height:1px;background:var(--gold)}
.hero h1{margin:15px 0 19px;color:var(--ink);font-size:clamp(36px,5vw,62px);line-height:1.18;letter-spacing:-.045em}
.hero p{font-size:18px;line-height:1.9;color:#53615b;max-width:610px;margin:0}
.hero-actions{display:flex;align-items:center;gap:14px;margin-top:31px;flex-wrap:wrap}
.btn{border:1px solid transparent;min-height:46px;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;padding:0 20px;font-size:15px;font-weight:700;transition:transform .2s ease,background .2s ease,border .2s ease,box-shadow .2s ease}
.btn:focus-visible{outline:3px solid rgba(19,122,104,.25);outline-offset:3px}
.btn-primary{background:var(--jade);color:#fff;box-shadow:0 8px 18px rgba(19,122,104,.18)}
.btn-primary:hover{background:var(--jade-dark);transform:translateY(-2px)}
.btn-secondary{background:transparent;border-color:#aebbb4;color:var(--ink)}
.btn-secondary:hover{background:var(--surface);border-color:var(--jade);color:var(--jade-dark);transform:translateY(-2px)}
.hero-art{min-height:360px;display:flex;justify-content:center;align-items:center;position:relative}
.hero-panel{width:min(100%,430px);background:var(--charcoal);border:10px solid #eff0e9;border-radius:18px;box-shadow:0 28px 55px rgba(20,31,27,.18);padding:26px;position:relative;transform:rotate(2deg)}
.hero-panel:before{content:"";position:absolute;inset:11px;border:1px solid rgba(255,255,255,.14);border-radius:10px;pointer-events:none}
.panel-head{display:flex;justify-content:space-between;align-items:center;color:#f2f4ef;font-size:14px;position:relative}
.panel-mark{color:#8bd1bb;font-weight:700}
.panel-line{height:1px;background:rgba(255,255,255,.16);margin:21px 0}
.panel-title{color:#f9faf7;font-size:28px;font-weight:800;line-height:1.35;position:relative;margin:0 0 20px}
.panel-list{display:grid;gap:10px;position:relative}
.panel-item{display:flex;justify-content:space-between;align-items:center;color:#c8d2cc;font-size:13px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.panel-item b{color:#e2b875;font-weight:600}
.panel-foot{margin-top:22px;display:flex;gap:8px;position:relative}
.panel-foot i{height:5px;border-radius:5px;background:#4c5a54;flex:1}.panel-foot i:first-child{background:#5db397;flex:2}
.section{padding:92px 0}
.section-soft{background:var(--mist)}
.section-dark{background:var(--charcoal);color:#edf1ed}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:34px}
.section-kicker{color:var(--jade-dark);font-size:13px;font-weight:700;letter-spacing:.1em;margin:0 0 7px}
.section-title{font-size:clamp(26px,3vw,38px);line-height:1.3;letter-spacing:-.03em;color:var(--ink);margin:0}
.section-dark .section-title{color:#fff}.section-dark .section-kicker{color:#92cdb9}
.section-desc{margin:0;max-width:470px;color:var(--muted);font-size:15px}.section-dark .section-desc{color:#b9c7c0}
.state-strip{padding:0 0 10px;background:var(--paper)}
.state-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);margin-top:-28px;position:relative;z-index:3}
.state-item{padding:23px 26px;border-right:1px solid var(--line);min-height:112px}
.state-item:last-child{border-right:0}
.state-label{font-size:13px;color:var(--muted);display:block;margin-bottom:5px}.state-value{font-size:18px;font-weight:800;color:var(--ink)}.state-value em{font-size:13px;color:var(--jade);font-style:normal;margin-left:5px;font-weight:600}
.matrix{display:grid;grid-template-columns:1.1fr .9fr .9fr;grid-template-rows:auto auto;gap:15px}
.entry{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-height:180px;display:flex;flex-direction:column;justify-content:space-between;transition:.25s ease;box-shadow:0 2px 0 rgba(30,42,37,.02)}
.entry:hover{border-color:#94bcae;box-shadow:var(--shadow);transform:translateY(-3px)}
.entry-large{grid-row:span 2;background:var(--jade-soft);padding:34px}
.entry-number{color:var(--gold);font-weight:800;font-size:14px;letter-spacing:.08em}.entry h3{font-size:21px;line-height:1.35;margin:19px 0 8px;color:var(--ink)}.entry p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}.entry-arrow{color:var(--jade-dark);font-size:14px;font-weight:700;margin-top:16px}
.download-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:66px;align-items:center}
.download-device{max-width:300px;margin:0 auto;position:relative}
.phone-shell{background:#111817;border:9px solid #394641;border-radius:35px;padding:12px;box-shadow:0 25px 36px rgba(0,0,0,.28)}
.phone-screen{background:#e7f1eb;border-radius:23px;padding:24px 17px;min-height:470px;color:var(--ink)}
.phone-bar{height:7px;border-radius:5px;background:#bdd9ce;width:45%;margin-bottom:29px}.phone-logo{font-size:18px;font-weight:800;color:var(--jade-dark);margin-bottom:27px}.phone-block{background:#fff;border-radius:10px;padding:15px;margin-bottom:13px;border:1px solid #d5e6dd}.phone-block b{display:block;font-size:14px}.phone-block span{font-size:11px;color:var(--muted)}.phone-button{background:var(--jade);color:#fff;border-radius:7px;font-size:12px;text-align:center;padding:10px;margin-top:22px}
.download-copy h2{font-size:clamp(29px,3vw,40px);line-height:1.3;margin:0 0 16px;color:#fff}.download-copy>p{color:#bdc8c2;margin:0;max-width:570px}
.download-options{display:flex;gap:14px;align-items:center;margin:27px 0;flex-wrap:wrap}
.qr{width:88px;height:88px;background:repeating-linear-gradient(90deg,#e5eee8 0 5px,transparent 5px 9px),repeating-linear-gradient(#e5eee8 0 5px,transparent 5px 9px);border:7px solid #f3f5f1;border-radius:5px}
.version-note{font-size:13px;color:#aebcb5}.download-list{list-style:none;padding:0;margin:25px 0 0;display:grid;gap:10px}.download-list li{color:#d1dad4;font-size:14px;padding-left:22px;position:relative}.download-list li:before{content:"";width:7px;height:7px;background:#7bbda7;border-radius:50%;position:absolute;left:0;top:9px}
.feature-tabs{display:grid;grid-template-columns:220px 1fr;gap:42px;align-items:stretch}
.tab-list{border-left:1px solid var(--line);display:grid;align-content:start}
.tab-button{border:0;background:transparent;text-align:left;padding:18px 20px;color:var(--muted);border-left:3px solid transparent;margin-left:-1px;transition:.2s}.tab-button strong{display:block;color:var(--text);font-size:16px;margin-bottom:3px}.tab-button span{font-size:13px}.tab-button.active,.tab-button:hover{border-left-color:var(--jade);background:var(--jade-soft);color:var(--jade-dark)}.tab-button.active strong{color:var(--jade-dark)}
.feature-view{border:1px solid var(--line);border-radius:var(--radius);padding:34px;background:var(--surface);min-height:285px;display:flex;align-items:center;gap:36px}.feature-graphic{width:180px;height:180px;flex:0 0 180px;border-radius:50%;background:var(--gold-soft);display:grid;place-items:center;position:relative}.feature-graphic:before{content:"";width:104px;height:124px;border:5px solid var(--jade);border-radius:14px;background:#fff}.feature-graphic:after{content:"";position:absolute;width:62px;height:6px;background:var(--jade-soft);border-radius:6px;top:65px}.feature-view h3{font-size:25px;margin:0 0 10px;line-height:1.35}.feature-view p{color:var(--muted);margin:0;max-width:450px}
.news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
.lead-news{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:33px;display:flex;flex-direction:column;justify-content:space-between;min-height:330px;box-shadow:var(--shadow-sm)}
.news-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.tag{display:inline-flex;align-items:center;border-radius:99px;padding:3px 9px;font-size:12px;font-weight:700;background:var(--jade-soft);color:var(--jade-dark)}.tag.gold{background:var(--gold-soft);color:#91692d}.tag.gray{background:#eef0ed;color:#63706a}
.lead-news h3{font-size:27px;line-height:1.42;margin:18px 0 12px}.lead-news p{color:var(--muted);font-size:15px;margin:0}.read-link{font-size:14px;color:var(--jade-dark);font-weight:700;margin-top:20px;display:inline-flex;gap:8px;align-items:center}.read-link:hover{color:var(--gold)}.news-stack{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.news-row{padding:20px 23px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:78px 1fr;gap:15px;transition:.2s}.news-row:last-child{border-bottom:0}.news-row:hover{background:#f8faf7}.news-date{font-size:12px;color:var(--muted);padding-top:3px}.news-row h3{font-size:16px;line-height:1.45;margin:5px 0 4px}.news-row p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
.empty-state{border:1px dashed #b8c6bf;border-radius:var(--radius);padding:52px 24px;background:var(--surface);text-align:center;color:var(--muted)}.empty-icon{width:42px;height:42px;border-radius:50%;background:var(--jade-soft);color:var(--jade-dark);display:grid;place-items:center;margin:0 auto 12px;font-size:20px}.empty-state p{margin:0 0 15px}
.list-footer{margin-top:23px;text-align:right}.list-footer a{color:var(--jade-dark);font-size:14px;font-weight:700;border-bottom:1px solid currentColor}
.notice-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:48px;align-items:start}.notice-intro{padding:8px 0}.notice-intro p{color:var(--muted);margin:14px 0}.notice-timeline{border-top:1px solid var(--line)}.notice-item{display:grid;grid-template-columns:105px 1fr auto;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.notice-time{font-size:13px;color:var(--muted)}.notice-item h3{font-size:16px;margin:0;line-height:1.4}.notice-item a:hover h3{color:var(--jade-dark)}
.activity-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.activity-main{background:#e7efe9;border:1px solid #cfddd5;border-radius:var(--radius);padding:39px;min-height:290px;position:relative;overflow:hidden}.activity-main:after{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(19,122,104,.28);border-radius:50%;right:-62px;bottom:-77px}.activity-main h3{font-size:29px;line-height:1.35;margin:17px 0 10px;max-width:470px}.activity-main p{color:#52635b;max-width:470px;margin:0}.activity-side{display:grid;gap:18px}.activity-mini{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:23px;display:flex;flex-direction:column;justify-content:space-between}.activity-mini h3{font-size:17px;line-height:1.4;margin:11px 0}.activity-mini small{color:var(--muted)}
.guide-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}.guide-step{padding:14px 24px 10px;border-left:1px solid var(--line);min-height:170px}.guide-step:first-child{border-left:0}.step-num{display:block;color:var(--gold);font-size:13px;font-weight:800;margin-bottom:20px}.guide-step h3{font-size:17px;margin:0 0 8px}.guide-step p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.security-wrap{background:#fff8ea;border:1px solid #ebd9b6;border-radius:var(--radius);padding:38px;display:grid;grid-template-columns:.8fr 1.2fr;gap:56px}.security-wrap h2{font-size:29px;line-height:1.35;margin:0 0 12px}.security-wrap p{color:#6d6250;margin:0}.security-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.security-item{background:rgba(255,255,255,.7);border:1px solid #eadbc0;border-radius:8px;padding:16px}.security-item b{display:block;font-size:15px;margin-bottom:4px}.security-item span{font-size:13px;color:#766c5d;line-height:1.6}
.scene-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px}.scene-feature{background:var(--charcoal-2);color:#fff;border-radius:var(--radius);padding:36px;min-height:305px;display:flex;flex-direction:column;justify-content:end}.scene-feature .tag{width:max-content;background:rgba(127,196,171,.16);color:#a4d7c4}.scene-feature h3{font-size:29px;line-height:1.35;margin:17px 0 9px}.scene-feature p{color:#bdc9c3;margin:0;max-width:390px}.scene-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:23px;transition:.2s}.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#aacabc}.scene-card h3{font-size:17px;margin:12px 0 7px}.scene-card p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:72px}.faq-intro p{color:var(--muted);margin:14px 0}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;border:0;background:transparent;padding:19px 38px 19px 0;text-align:left;font-size:16px;font-weight:700;color:var(--ink);position:relative}.faq-question:after{content:"+";position:absolute;right:4px;top:14px;color:var(--jade);font-size:25px;font-weight:400;transition:.2s}.faq-question[aria-expanded="true"]:after{transform:rotate(45deg)}.faq-answer{display:none;padding:0 30px 20px 0;color:var(--muted);font-size:14px;line-height:1.8}.faq-item.open .faq-answer{display:block}
.feedback-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:grid;grid-template-columns:1fr 1fr auto;align-items:center;gap:28px;box-shadow:var(--shadow-sm)}.feedback-quote{padding-left:18px;border-left:3px solid var(--gold);color:#4f5d57;font-size:15px}.feedback-quote b{display:block;color:var(--ink);margin-bottom:4px}.feedback-tags{display:flex;flex-wrap:wrap;gap:8px}.feedback-action{text-align:right}
.closing{padding:72px 0;background:var(--charcoal);position:relative;overflow:hidden}.closing:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(182,138,72,.25);border-radius:50%;right:-160px;top:-230px}.closing-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:35px}.closing h2{color:#fff;font-size:clamp(28px,3.5vw,43px);line-height:1.3;margin:0 0 12px}.closing p{color:#bac7c0;margin:0;max-width:650px}.closing-actions{display:flex;gap:16px;align-items:center;flex-shrink:0}.text-link-light{color:#cde5db;font-size:14px;font-weight:700;border-bottom:1px solid rgba(205,229,219,.55)}
.site-footer{background:#171d1b;color:#b9c3be;padding:60px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr;gap:55px;padding-bottom:43px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand .brand{color:#f1f5f1;margin-bottom:12px}.footer-brand p{font-size:14px;line-height:1.8;max-width:405px;margin:0;color:#a9b6af}.footer-col h3{font-size:14px;color:#f3f5f2;margin:5px 0 14px}.footer-col a{display:block;font-size:14px;margin:7px 0;color:#adb9b2;transition:.2s}.footer-col a:hover{color:#8dd0b8}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:21px;font-size:12px;color:#87958d}.footer-bottom span:last-child{text-align:right}
@media(max-width:1024px){
  .nav-links a{padding:10px 8px;font-size:14px}.hero-grid{gap:35px}.section{padding:75px 0}.guide-step{padding:14px 15px}.feature-tabs{gap:26px}.download-layout{gap:30px}.faq-layout{gap:40px}
}
@media(max-width:768px){
  .container{width:min(calc(100% - 32px),var(--container))}.topline .container{font-size:12px}.topline .container span:last-child{display:none}.navbar{height:65px}.menu-toggle{display:grid;place-items:center}.nav-links{display:none;position:absolute;top:65px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:14px 16px 18px;box-shadow:0 15px 20px rgba(20,31,27,.08)}.nav-links.open{display:grid}.nav-links a{padding:12px 13px}.nav-links a.active:after{display:none}.nav-download{text-align:center;margin-top:4px}.hero{padding:56px 0 63px}.hero-grid,.download-layout,.news-layout,.notice-grid,.scene-layout,.faq-layout{grid-template-columns:1fr}.hero-art{min-height:270px;order:-1}.hero-panel{max-width:350px;padding:21px}.panel-title{font-size:23px}.hero h1{font-size:40px}.state-grid{grid-template-columns:1fr 1fr}.state-item:nth-child(2){border-right:0}.state-item{padding:18px}.matrix{grid-template-columns:1fr 1fr;grid-template-rows:auto}.entry-large{grid-row:auto;grid-column:span 2}.feature-tabs{grid-template-columns:1fr}.tab-list{border-left:0;grid-template-columns:repeat(2,1fr);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}.tab-button{border-left:0;border-bottom:2px solid transparent;margin:0;padding:13px}.tab-button.active,.tab-button:hover{border-left:0;border-bottom-color:var(--jade)}.feature-view{padding:25px}.notice-intro{padding:0}.guide-steps{grid-template-columns:1fr 1fr}.guide-step{border-left:0;border-top:1px solid var(--line);padding:20px}.guide-step:nth-child(-n+2){border-top:0}.security-wrap{grid-template-columns:1fr;gap:27px;padding:28px}.feedback-box{grid-template-columns:1fr;gap:19px}.feedback-action{text-align:left}.closing-inner{display:block}.closing-actions{margin-top:25px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:span 2}
}
@media(max-width:520px){
  body{font-size:15px}.brand{font-size:18px}.brand-mark{width:27px;height:31px}.hero h1{font-size:34px}.hero p{font-size:16px}.hero-actions,.closing-actions{align-items:stretch;flex-direction:column}.btn{width:100%}.section{padding:52px 0}.section-head{display:block;margin-bottom:25px}.section-desc{margin-top:12px}.state-grid{grid-template-columns:1fr}.state-item,.state-item:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.state-item:last-child{border-bottom:0}.matrix{grid-template-columns:1fr}.entry-large{grid-column:auto}.entry{min-height:150px}.download-device{max-width:230px}.phone-screen{min-height:380px}.feature-view{display:block}.feature-graphic{width:130px;height:130px;transform:scale(.78);transform-origin:left top;margin-bottom:-18px}.lead-news{padding:25px;min-height:auto}.lead-news h3{font-size:23px}.news-row{grid-template-columns:1fr;padding:18px}.news-date{padding:0}.notice-item{grid-template-columns:1fr auto;gap:9px}.notice-time{grid-column:span 2}.activity-grid,.scene-list{grid-template-columns:1fr}.activity-main{padding:28px;min-height:260px}.guide-steps{grid-template-columns:1fr}.guide-step,.guide-step:nth-child(-n+2){border-top:1px solid var(--line)}.guide-step:first-child{border-top:0}.security-list{grid-template-columns:1fr}.faq-layout{gap:27px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span:last-child{text-align:left;display:block;margin-top:6px}.tab-list{grid-template-columns:1fr}.tab-button span{display:none}
}

/* roulang page: category3 */
:root{
      --ink:#17201e;--charcoal:#202725;--charcoal-2:#2b3531;--jade:#137a68;
      --jade-dark:#0c5e50;--jade-soft:#e4f2ec;--gold:#b68a48;--gold-soft:#f6eddd;
      --paper:#faf9f5;--surface:#fff;--mist:#f1f3ef;--line:#dce3de;--text:#26302d;
      --muted:#6b7671;--shadow:0 16px 36px rgba(24,37,32,.08);--shadow-sm:0 8px 20px rgba(24,37,32,.06);
      --radius:14px;--radius-sm:9px;--container:1240px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none} a:hover{color:var(--jade-dark)}
    button,input,textarea,select{font:inherit} button{cursor:pointer} img{max-width:100%;display:block}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .topline{height:36px;background:var(--charcoal);color:#c8d2cc;font-size:12px}
    .topline .container{height:36px;display:flex;align-items:center;justify-content:space-between}
    .topline strong{color:#e2b875;font-weight:600}
    .site-header{background:rgba(250,249,245,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;color:var(--ink);font-size:21px;font-weight:800;letter-spacing:.02em}
    .brand-mark{width:31px;height:35px;position:relative;border:2px solid var(--jade);border-radius:5px 5px 10px 10px}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--jade);left:6px;right:6px;height:2px}
    .brand-mark:before{top:8px}.brand-mark:after{top:16px}
    .brand-mark span{position:absolute;width:8px;height:8px;border:2px solid var(--jade);border-bottom:0;top:-7px;left:9px;border-radius:5px 5px 0 0}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{font-size:15px;color:#46524d;padding:11px 13px;border-radius:6px;position:relative;transition:.2s ease}
    .nav-links a:hover,.nav-links a:focus-visible{color:var(--jade-dark);background:var(--jade-soft);outline:none}
    .nav-links a.active{color:var(--jade-dark);font-weight:700}
    .nav-links a.active:after{content:"";height:2px;background:var(--jade);position:absolute;left:13px;right:13px;bottom:5px}
    .nav-download{display:inline-flex;align-items:center;justify-content:center;background:var(--jade);color:#fff!important;padding:10px 16px!important;border-radius:7px;font-weight:700;box-shadow:0 5px 13px rgba(19,122,104,.16)}
    .nav-download:hover,.nav-download:focus-visible{background:var(--jade-dark)!important;color:#fff!important;transform:translateY(-1px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);width:44px;height:42px;border-radius:8px;color:var(--ink)}
    .page-head{padding:54px 0 48px;background:linear-gradient(120deg,#f2f0e8,#faf9f5 65%,#e5f0e9);border-bottom:1px solid var(--line)}
    .crumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:21px}
    .crumbs span{color:var(--gold)} .page-head h1{font-size:clamp(34px,5vw,54px);line-height:1.2;letter-spacing:-.04em;color:var(--ink);margin:0 0 15px}
    .page-head p{max-width:720px;margin:0;color:#596660;font-size:17px}
    .eyebrow,.section-kicker{color:var(--jade-dark);font-size:13px;font-weight:700;letter-spacing:.1em}
    .section{padding:82px 0}.section-soft{background:var(--mist)}
    .section-dark{background:var(--charcoal);color:#edf1ed}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:32px}
    .section-title{font-size:clamp(26px,3vw,38px);line-height:1.3;letter-spacing:-.03em;color:var(--ink);margin:6px 0 0}
    .section-dark .section-title{color:#fff}.section-desc{margin:0;max-width:510px;color:var(--muted);font-size:15px}
    .section-dark .section-desc{color:#b9c7c0}
    .intro-bar{display:grid;grid-template-columns:1.4fr .6fr;gap:20px;padding:25px 28px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-left:4px solid var(--jade)}
    .intro-bar h2{font-size:21px;margin:0 0 5px;color:var(--ink)}.intro-bar p{margin:0;color:var(--muted)}
    .intro-meta{display:flex;justify-content:flex-end;align-items:center;gap:18px;color:var(--muted);font-size:14px;text-align:right}.intro-meta b{display:block;color:var(--jade-dark);font-size:22px}
    .guide-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:34px;align-items:stretch}
    .guide-feature{background:var(--charcoal);color:#eef2ee;border-radius:var(--radius);padding:34px;position:relative;overflow:hidden}
    .guide-feature:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(226,184,117,.35);border-radius:50%;right:-65px;bottom:-72px}
    .guide-feature .number{font-size:46px;color:#e2b875;font-weight:800;line-height:1}.guide-feature h3{font-size:25px;margin:22px 0 12px}.guide-feature p{color:#bfcbc4;margin:0;max-width:390px}
    .guide-list{display:grid;gap:12px}.guide-item{display:grid;grid-template-columns:52px 1fr auto;gap:16px;align-items:center;padding:21px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);transition:.2s ease}
    .guide-item:hover{border-color:#a8c9bd;box-shadow:var(--shadow-sm);transform:translateX(3px)}.guide-icon{width:42px;height:42px;border-radius:50%;background:var(--jade-soft);color:var(--jade-dark);display:grid;place-items:center;font-weight:800}
    .guide-item h3{margin:0 0 3px;font-size:18px;color:var(--ink)}.guide-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.guide-item .arrow{color:var(--gold);font-size:22px}
    .featured{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:34px;background:var(--gold-soft);border:1px solid #eadcc2;border-radius:var(--radius)}
    .featured h2{margin:5px 0 12px;color:var(--ink);font-size:28px}.featured p{margin:0;color:#5e655f}.feature-points{display:grid;gap:12px;margin:0;padding:0;list-style:none}.feature-points li{padding:14px 16px;background:rgba(255,255,255,.6);border-left:3px solid var(--gold);color:#46514c}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.22)}
    .step{padding:25px 24px 8px;border-right:1px solid rgba(255,255,255,.15);position:relative}.step:last-child{border-right:0}.step:before{content:"";position:absolute;top:-6px;left:24px;width:11px;height:11px;background:#8bc6b2;border:3px solid var(--charcoal);border-radius:50%}
    .step b{font-size:13px;color:#e2b875}.step h3{color:#fff;font-size:19px;margin:12px 0 7px}.step p{margin:0;color:#b9c7c0;font-size:14px}
    .notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.notice{padding:25px 26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm)}.notice h3{font-size:19px;color:var(--ink);margin:0 0 11px}.notice p{margin:0;color:var(--muted);font-size:15px}.notice strong{color:var(--jade-dark)}
    .faq-list{max-width:860px;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:0 4px}summary{list-style:none;cursor:pointer;padding:20px 38px 20px 0;font-weight:700;color:var(--ink);position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"＋";position:absolute;right:5px;color:var(--jade);font-size:22px;top:16px}details[open] summary:after{content:"－"}details p{margin:-5px 35px 20px 0;color:var(--muted);font-size:15px}
    .cta-band{padding:42px 0;background:var(--jade-dark);color:#fff}.cta-flex{display:flex;justify-content:space-between;align-items:center;gap:24px}.cta-band h2{font-size:29px;margin:0 0 7px}.cta-band p{margin:0;color:#c9e0d6}.btn{border:1px solid transparent;min-height:46px;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;padding:0 20px;font-size:15px;font-weight:700;transition:.2s ease}.btn-primary{background:var(--jade);color:#fff;box-shadow:0 8px 18px rgba(19,122,104,.18)}.btn-primary:hover{background:var(--jade-dark);transform:translateY(-2px)}.btn-light{background:#fff;color:var(--jade-dark)}.btn-light:hover{background:var(--gold-soft);color:var(--ink);transform:translateY(-2px)}.btn:focus-visible{outline:3px solid rgba(226,184,117,.55);outline-offset:3px}
    .site-footer{background:var(--charcoal);color:#b9c7c0;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:55px}.footer-brand .brand{color:#fff}.footer-brand p{max-width:430px;margin:18px 0 0;color:#9eada5;font-size:14px}.footer-col{display:flex;flex-direction:column;gap:9px}.footer-col h3{color:#fff;font-size:16px;margin:0 0 8px}.footer-col a{font-size:14px;color:#abbab2;transition:.2s}.footer-col a:hover{color:#8ed0ba;transform:translateX(2px)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:19px;color:#87958e;font-size:12px}
    @media(max-width:1024px){.nav-links a{padding-left:8px;padding-right:8px}.guide-layout{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.15)}}
    @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.navbar{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:104px;left:16px;right:16px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);padding:10px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:13px 15px}.nav-links a.active:after{left:15px;right:auto;width:28px;bottom:5px}.nav-download{margin-top:4px}.page-head{padding:39px 0 36px}.section{padding:58px 0}.intro-bar,.featured,.notice-grid{grid-template-columns:1fr}.intro-meta{justify-content:flex-start;text-align:left}.section-head{display:block}.section-desc{margin-top:12px}.cta-flex{display:block}.cta-flex .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
    @media(max-width:520px){.topline .container{font-size:11px}.topline .container span:last-child{display:none}.brand{font-size:18px}.brand-mark{transform:scale(.88);margin-right:-3px}.guide-item{grid-template-columns:43px 1fr auto;padding:17px 14px;gap:11px}.guide-item h3{font-size:16px}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.15)}.step:last-child{border-bottom:0}.featured{padding:25px 21px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}

/* roulang page: category2 */
:root{
      --ink:#17201e;
      --charcoal:#202725;
      --charcoal-2:#2b3531;
      --jade:#137a68;
      --jade-dark:#0c5e50;
      --jade-soft:#e4f2ec;
      --gold:#b68a48;
      --gold-soft:#f6eddd;
      --paper:#faf9f5;
      --surface:#fff;
      --mist:#f1f3ef;
      --line:#dce3de;
      --text:#26302d;
      --muted:#6b7671;
      --shadow:0 16px 36px rgba(24,37,32,.08);
      --shadow-sm:0 8px 20px rgba(24,37,32,.06);
      --radius:14px;
      --radius-sm:9px;
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(19,122,104,.28);outline-offset:3px}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .topline{height:36px;background:var(--charcoal);color:#c8d2cc;font-size:13px}
    .topline .container{height:36px;display:flex;align-items:center;justify-content:space-between}
    .topline strong{color:#e2b875;font-weight:600}
    .site-header{background:rgba(250,249,245,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;color:var(--ink);font-size:21px;font-weight:800;letter-spacing:.02em}
    .brand-mark{width:31px;height:35px;position:relative;border:2px solid var(--jade);border-radius:5px 5px 10px 10px}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--jade);left:6px;right:6px;height:2px}
    .brand-mark:before{top:8px}.brand-mark:after{top:16px}
    .brand-mark span{position:absolute;width:8px;height:8px;border:2px solid var(--jade);border-bottom:0;top:-7px;left:9px;border-radius:5px 5px 0 0}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{font-size:15px;color:#46524d;padding:11px 13px;border-radius:6px;position:relative;transition:.2s ease}
    .nav-links a:hover,.nav-links a:focus-visible{color:var(--jade-dark);background:var(--jade-soft);outline:none}
    .nav-links a.active{color:var(--jade-dark);font-weight:700}
    .nav-links a.active:after{content:"";height:2px;background:var(--jade);position:absolute;left:13px;right:13px;bottom:5px}
    .nav-links .nav-download{background:var(--jade);color:#fff!important;padding:10px 16px;border-radius:7px;font-weight:700;box-shadow:0 5px 13px rgba(19,122,104,.16)}
    .nav-links .nav-download:hover{background:var(--jade-dark)!important;transform:translateY(-1px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);width:44px;height:42px;border-radius:8px;color:var(--ink)}
    .menu-toggle span{display:block;width:20px;height:2px;background:currentColor;margin:4px auto}
    .page-head{padding:58px 0 52px;background:linear-gradient(115deg,#f1f0e9,#faf9f5 58%,#e6f0ea);border-bottom:1px solid var(--line)}
    .crumbs{font-size:14px;color:var(--muted);margin-bottom:22px}
    .crumbs a{color:var(--jade-dark)}
    .crumbs span{margin:0 8px;color:#a0aaa4}
    .page-head h1{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-.045em;color:var(--ink);margin:0 0 15px}
    .page-head p{max-width:720px;color:#596760;font-size:17px;margin:0}
    .section{padding:78px 0}
    .section-soft{background:var(--mist)}
    .section-dark{background:var(--charcoal);color:#edf1ed}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-kicker{color:var(--jade-dark);font-size:13px;font-weight:700;letter-spacing:.1em;margin:0 0 7px}
    .section-dark .section-kicker{color:#92cdb9}
    .section-title{font-size:clamp(26px,3vw,38px);line-height:1.3;letter-spacing:-.03em;color:var(--ink);margin:0}
    .section-dark .section-title{color:#fff}
    .section-desc{max-width:520px;color:var(--muted);font-size:15px;margin:0}
    .section-dark .section-desc{color:#b9c7c0}
    .intro-bar{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:stretch}
    .intro-copy,.info-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
    .intro-copy h2{font-size:24px;margin:0 0 10px;color:var(--ink)}
    .intro-copy p{margin:0;color:var(--muted)}
    .info-panel{background:var(--jade-soft);border-color:#c9e3d8}
    .info-panel strong{display:block;color:var(--jade-dark);font-size:18px;margin-bottom:5px}
    .info-panel p{margin:0;color:#4d665d}
    .news-layout{display:grid;grid-template-columns:1.05fr 1.45fr;gap:22px}
    .feature-news{background:var(--charcoal);color:#fff;border-radius:var(--radius);padding:34px;min-height:310px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow)}
    .feature-news .tag{color:#d8b477;background:rgba(226,184,117,.12)}
    .feature-news h3{font-size:27px;line-height:1.4;margin:18px 0 10px}
    .feature-news p{color:#bfcbc4;margin:0}
    .news-list{display:grid;gap:12px}
    .news-item{display:grid;grid-template-columns:96px 1fr auto;gap:18px;align-items:center;padding:20px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);transition:.2s ease}
    .news-item:hover{transform:translateX(4px);border-color:#a6cfc1;box-shadow:var(--shadow-sm)}
    .news-date{font-size:13px;color:var(--gold);font-weight:700}
    .news-item h3{font-size:18px;margin:0 0 3px;color:var(--ink)}
    .news-item p{font-size:14px;color:var(--muted);margin:0}
    .arrow{font-size:22px;color:var(--jade)}
    .tag{display:inline-flex;padding:3px 9px;border-radius:20px;background:var(--jade-soft);color:var(--jade-dark);font-size:12px;font-weight:700}
    .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .topic-card{padding:24px;background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--jade);border-radius:var(--radius-sm);transition:.2s ease}
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .topic-card b{display:block;color:var(--gold);font-size:13px;margin-bottom:12px}
    .topic-card h3{font-size:19px;margin:0 0 8px;color:var(--ink)}
    .topic-card p{margin:0;color:var(--muted);font-size:14px}
    .timeline{position:relative;max-width:920px;margin:auto}
    .timeline:before{content:"";position:absolute;left:10px;top:9px;bottom:9px;width:1px;background:#a5cbbb}
    .timeline-row{position:relative;padding:0 0 30px 42px}
    .timeline-row:last-child{padding-bottom:0}
    .timeline-row:before{content:"";position:absolute;left:5px;top:8px;width:11px;height:11px;background:var(--jade);border:3px solid var(--jade-soft);border-radius:50%}
    .timeline-row h3{margin:0 0 5px;color:var(--ink);font-size:19px}
    .timeline-row p{margin:0;color:var(--muted)}
    .section-dark .timeline-row h3{color:#fff}.section-dark .timeline-row p{color:#b9c7c0}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .step{padding:26px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);position:relative}
    .step-num{font-size:34px;color:var(--gold);font-weight:800;line-height:1}
    .step h3{font-size:19px;color:var(--ink);margin:15px 0 7px}.step p{color:var(--muted);margin:0;font-size:14px}
    .notice{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .notice-box{padding:28px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface)}
    .notice-box h3{color:var(--ink);margin:0 0 12px;font-size:21px}
    .notice-box ul{padding-left:20px;margin:0;color:var(--muted)}
    .faq{max-width:900px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:none;text-align:left;display:flex;justify-content:space-between;gap:20px;padding:20px 0;color:var(--ink);font-weight:700;font-size:17px}
    .faq-question span:last-child{color:var(--jade);font-size:23px;line-height:1;transition:.2s}
    .faq-answer{display:none;color:var(--muted);padding:0 42px 20px 0}
    .faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{background:var(--charcoal);padding:56px 0;color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px}
    .cta h2{font-size:32px;margin:0 0 8px}.cta p{color:#bdc9c2;margin:0}
    .btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:7px;padding:0 20px;font-size:15px;font-weight:700;transition:.2s ease}
    .btn-primary{background:var(--jade);color:#fff;box-shadow:0 8px 18px rgba(19,122,104,.18)}
    .btn-primary:hover{background:var(--jade-dark);color:#fff;transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--charcoal)}.btn-light:hover{background:var(--jade-soft);color:var(--jade-dark)}
    .site-footer{background:#18201e;color:#c1ccc5;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:60px;padding-bottom:42px}
    .footer-brand .brand{color:#fff;margin-bottom:17px}.footer-brand .brand-mark{border-color:#79bbaa}.footer-brand .brand-mark:before,.footer-brand .brand-mark:after{background:#79bbaa}.footer-brand .brand-mark span{border-color:#79bbaa}
    .footer-brand p{max-width:400px;color:#9eaca4;margin:0;font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:9px}.footer-col h3{font-size:16px;color:#fff;margin:0 0 8px}.footer-col a{font-size:14px;color:#aab7af;transition:.2s}.footer-col a:hover{color:#8ed0bc;padding-left:3px}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#89968f;font-size:13px}
    @media(max-width:1024px){.nav-links a{padding-left:8px;padding-right:8px}.topic-grid{grid-template-columns:repeat(2,1fr)}.news-layout{grid-template-columns:1fr}.intro-bar{grid-template-columns:1fr}}
    @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.navbar{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:104px;left:16px;right:16px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:28px;bottom:5px}.nav-links .nav-download{text-align:center;margin-top:5px}.page-head{padding:42px 0}.section{padding:58px 0}.section-head,.cta-inner{display:block}.section-desc{margin-top:13px}.news-item{grid-template-columns:75px 1fr}.news-item .arrow{display:none}.steps,.notice{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}
    @media(max-width:520px){.topline .container{font-size:11px}.topline .container span:last-child{display:none}.brand{font-size:18px}.brand-mark{width:27px;height:31px}.page-head h1{font-size:35px}.news-item{display:block}.news-date{margin-bottom:7px}.news-item h3{font-size:17px}.topic-grid{grid-template-columns:1fr}.feature-news{padding:25px;min-height:270px}.feature-news h3{font-size:23px}.cta h2{font-size:27px;margin-bottom:12px}.cta .btn{margin-top:22px;width:100%}.footer-grid{grid-template-columns:1fr}}

/* roulang page: article */
:root{
  --ink:#17201e;--charcoal:#202725;--charcoal-2:#2b3531;--jade:#137a68;
  --jade-dark:#0c5e50;--jade-soft:#e4f2ec;--gold:#b68a48;--gold-soft:#f6eddd;
  --paper:#faf9f5;--surface:#fff;--mist:#f1f3ef;--line:#dce3de;--text:#26302d;
  --muted:#6b7671;--shadow:0 16px 36px rgba(24,37,32,.08);--shadow-sm:0 8px 20px rgba(24,37,32,.06);
  --radius:14px;--radius-sm:9px;--container:1240px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
.topline{background:var(--charcoal);color:#c8d2cc;font-size:13px}
.topline .container{height:36px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.topline-note{display:flex;align-items:center;gap:8px}
.topline-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block}
.site-header{background:rgba(250,249,245,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
.navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;color:var(--ink);font-size:21px;font-weight:800;letter-spacing:.02em}
.brand:hover{color:var(--jade-dark)}
.brand-mark{width:31px;height:35px;position:relative;border:2px solid var(--jade);border-radius:5px 5px 10px 10px}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--jade);left:6px;right:6px;height:2px}
.brand-mark:before{top:8px}.brand-mark:after{top:16px}
.brand-mark span{position:absolute;width:8px;height:8px;border:2px solid var(--jade);border-bottom:0;top:-7px;left:9px;border-radius:5px 5px 0 0}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{font-size:15px;color:#46524d;padding:11px 13px;border-radius:6px;position:relative;transition:.2s ease}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--jade-dark);background:var(--jade-soft);outline:none}
.nav-links a.active{color:var(--jade-dark);font-weight:700}
.nav-links a.active:after{content:"";height:2px;background:var(--jade);position:absolute;left:13px;right:13px;bottom:5px}
.nav-download{display:inline-flex;align-items:center;justify-content:center;background:var(--jade);color:#fff!important;padding:10px 16px!important;border-radius:7px;font-weight:700;box-shadow:0 5px 13px rgba(19,122,104,.16)}
.nav-download:hover,.nav-download:focus-visible{background:var(--jade-dark)!important;color:#fff!important;transform:translateY(-1px)}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);width:44px;height:42px;border-radius:8px;color:var(--ink)}
.menu-toggle span,.menu-toggle:before,.menu-toggle:after{content:"";display:block;width:19px;height:2px;margin:4px auto;background:currentColor;transition:.2s ease}
.btn{border:1px solid transparent;min-height:46px;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;padding:0 20px;font-size:15px;font-weight:700;transition:transform .2s ease,background .2s ease,border .2s ease,box-shadow .2s ease}
.btn:focus-visible,.article-content a:focus-visible,.faq-button:focus-visible{outline:3px solid rgba(19,122,104,.26);outline-offset:3px}
.btn-primary{background:var(--jade);color:#fff;box-shadow:0 8px 18px rgba(19,122,104,.18)}
.btn-primary:hover{background:var(--jade-dark);color:#fff;transform:translateY(-2px)}
.btn-secondary{background:transparent;border-color:#aebbb4;color:var(--ink)}
.btn-secondary:hover{background:var(--surface);border-color:var(--jade);color:var(--jade-dark);transform:translateY(-2px)}
.article-hero{background:linear-gradient(112deg,#f4f2ea 0%,#faf9f5 61%,#e6f0ea 100%);border-bottom:1px solid var(--line);padding:52px 0 58px;position:relative;overflow:hidden}
.article-hero:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(182,138,72,.28);border-radius:50%;right:-66px;top:-110px}
.breadcrumb{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin-bottom:22px;position:relative;z-index:1}
.breadcrumb a{transition:color .2s ease}.breadcrumb a:hover{color:var(--jade-dark)}
.breadcrumb i{font-style:normal;color:#a3ada8}
.category-chip{display:inline-flex;align-items:center;gap:8px;color:var(--jade-dark);font-size:13px;font-weight:700;letter-spacing:.06em}
.category-chip:before{content:"";display:inline-block;width:28px;height:1px;background:var(--gold)}
.article-title-wrap{max-width:980px;position:relative;z-index:1}
.article-title-wrap h1{margin:13px 0 18px;color:var(--ink);font-size:clamp(32px,4.5vw,54px);line-height:1.27;letter-spacing:-.04em;font-weight:800}
.article-summary{max-width:820px;margin:0;color:#59655f;font-size:17px;line-height:1.9}
.article-meta{display:flex;gap:11px 22px;align-items:center;flex-wrap:wrap;margin-top:24px;color:var(--muted);font-size:14px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta b{font-weight:600;color:#48534e}
.meta-mark{width:6px;height:6px;border-radius:50%;background:var(--gold)}
.section{padding:76px 0}
.article-layout{display:grid;grid-template-columns:minmax(0,840px) 252px;justify-content:center;gap:50px;align-items:start}
.reading-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:clamp(26px,5vw,58px)}
.article-content{font-size:17px;line-height:2;color:#303a36}
.article-content>*:first-child{margin-top:0}
.article-content h2{font-size:28px;line-height:1.42;color:var(--ink);margin:2.1em 0 .75em;padding-left:16px;border-left:4px solid var(--jade)}
.article-content h3{font-size:21px;line-height:1.5;color:var(--ink);margin:1.8em 0 .7em}
.article-content p{margin:0 0 1.25em}
.article-content ul,.article-content ol{padding-left:1.45em;margin:0 0 1.35em}
.article-content li{margin:.45em 0;padding-left:.2em}
.article-content blockquote{margin:1.7em 0;padding:18px 22px;background:var(--jade-soft);border-left:3px solid var(--jade);color:#345048;border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.article-content img{border-radius:10px;margin:1.7em auto;box-shadow:var(--shadow-sm)}
.article-content a{color:var(--jade-dark);text-decoration:underline;text-decoration-color:rgba(19,122,104,.38);text-underline-offset:3px;font-weight:600}
.article-content table{width:100%;margin:1.6em 0;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:9px;overflow:hidden;font-size:15px}
.article-content th,.article-content td{padding:12px 14px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left}
.article-content th{background:var(--mist);font-weight:700;color:var(--ink)}
.article-content tr:last-child td{border-bottom:0}.article-content th:last-child,.article-content td:last-child{border-right:0}
.article-content pre{white-space:pre-wrap;background:var(--charcoal);color:#e4ece6;padding:20px;border-radius:9px;overflow:auto;margin:1.5em 0}
.article-content code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.article-aside{position:sticky;top:132px}
.aside-panel{border-top:2px solid var(--gold);padding:19px 0;border-bottom:1px solid var(--line)}
.aside-panel h2{font-size:15px;color:var(--ink);margin:0 0 12px;font-weight:800}
.aside-panel p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.aside-list{list-style:none;padding:0;margin:0}
.aside-list li{padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;color:#52605a}
.aside-list li:last-child{border-bottom:0}
.aside-list li:before{content:"";display:inline-block;width:5px;height:5px;background:var(--jade);border-radius:50%;margin:0 9px 2px 0}
.notice-section{padding:0 0 76px}
.notice-card{display:grid;grid-template-columns:72px 1fr auto;gap:22px;align-items:center;background:var(--gold-soft);border:1px solid #e7d7b9;border-radius:var(--radius);padding:25px 30px}
.notice-icon{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:#fff;font-size:25px;font-weight:800}
.notice-card h2{font-size:19px;color:var(--ink);margin:0 0 4px}
.notice-card p{font-size:15px;color:#625a4d;margin:0}
.related-section{background:var(--mist);padding:76px 0}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-heading h2{font-size:29px;line-height:1.35;color:var(--ink);margin:0;font-weight:800}
.section-heading p{margin:0;color:var(--muted);font-size:15px}
.related-list{display:grid;grid-template-columns:1.12fr .88fr;gap:18px}
.related-feature,.related-stack a{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s ease,border .2s ease,box-shadow .2s ease}
.related-feature{padding:29px;display:flex;flex-direction:column;min-height:256px;justify-content:space-between}
.related-feature:hover,.related-stack a:hover{transform:translateY(-3px);border-color:#9fc9bb;box-shadow:var(--shadow-sm)}
.related-label{display:inline-flex;align-items:center;gap:7px;color:var(--jade-dark);font-size:13px;font-weight:700}
.related-label:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold)}
.related-feature h3{font-size:25px;line-height:1.45;color:var(--ink);margin:16px 0 10px}
.related-feature p,.related-stack p{color:var(--muted);font-size:15px;margin:0}
.related-link{display:inline-flex;color:var(--jade-dark);font-size:14px;font-weight:700;margin-top:18px}
.related-stack{display:grid;gap:18px}
.related-stack a{padding:20px 22px;display:block}
.related-stack h3{font-size:17px;line-height:1.5;color:var(--ink);margin:0 0 7px}
.related-date{display:block;font-size:13px;color:#89938e;margin-top:10px}
.faq-section{padding:76px 0}
.faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:60px;align-items:start}
.faq-intro h2{font-size:30px;line-height:1.42;color:var(--ink);margin:0 0 13px;font-weight:800}
.faq-intro p{color:var(--muted);margin:0}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-button{width:100%;border:0;background:none;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 0;color:var(--ink);font-weight:700;font-size:16px}
.faq-button span:last-child{width:25px;height:25px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;font-size:18px;color:var(--jade-dark);transition:.2s ease}
.faq-button[aria-expanded="true"] span:last-child{background:var(--jade);border-color:var(--jade);color:#fff;transform:rotate(45deg)}
.faq-answer{display:none;padding:0 34px 19px 0;color:var(--muted);font-size:15px}
.faq-item.open .faq-answer{display:block}
.closing-section{padding:0 0 92px}
.closing-card{background:var(--charcoal);border-radius:var(--radius);padding:48px 54px;color:#edf1ed;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
.closing-card:after{content:"";position:absolute;right:-10px;top:-75px;width:220px;height:220px;border:1px solid rgba(182,138,72,.38);border-radius:50%}
.closing-card h2{font-size:29px;line-height:1.4;margin:0 0 10px;position:relative;z-index:1}
.closing-card p{margin:0;color:#bcc8c1;position:relative;z-index:1}
.closing-actions{display:flex;gap:12px;flex-shrink:0;position:relative;z-index:1}
.btn-light{background:#f5f7f3;color:var(--ink)}
.btn-light:hover{background:var(--jade-soft);color:var(--jade-dark);transform:translateY(-2px)}
.empty-content{text-align:center;padding:38px 10px}
.empty-icon{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--jade-soft);color:var(--jade-dark);font-size:27px;margin:0 auto 17px}
.empty-content h2{font-size:23px;color:var(--ink);margin:0 0 8px}
.empty-content p{color:var(--muted);margin:0 0 21px}
.site-footer{background:var(--charcoal);color:#c6d0ca;padding:62px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.45fr .7fr .7fr;gap:54px;padding-bottom:43px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .brand{color:#f2f5f1}.site-footer .brand-mark{border-color:#70b8a8}.site-footer .brand-mark:before,.site-footer .brand-mark:after{background:#70b8a8}.site-footer .brand-mark span{border-color:#70b8a8}
.footer-brand p{font-size:14px;line-height:1.85;max-width:400px;margin:16px 0 0;color:#aebbb4}
.footer-col h3{font-size:15px;color:#f0f3ef;margin:5px 0 14px;font-weight:800}
.footer-col a{display:block;font-size:14px;color:#b8c4bd;margin:9px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#82c6b6;transform:translateX(2px)}
.footer-bottom{padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#93a29a;font-size:13px}
@media(max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px);max-width:800px;margin:0 auto}.article-aside{display:none}
  .faq-grid{gap:38px}.related-list{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .container{width:min(calc(100% - 32px),var(--container))}
  .topline .container{font-size:12px}.topline .container span:last-child{display:none}
  .navbar{height:68px;gap:12px}.brand{font-size:18px}.brand-mark{transform:scale(.85);transform-origin:left center;margin-right:-4px}
  .menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:16px;right:16px;margin:0;background:var(--surface);padding:12px;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{display:none}.nav-download{margin-top:4px}
  .article-hero{padding:38px 0 43px}.article-title-wrap h1{font-size:34px}.article-summary{font-size:16px}
  .section{padding:56px 0}.reading-card{padding:27px 22px}.article-content{font-size:16px}.article-content h2{font-size:24px}.article-content h3{font-size:19px}
  .notice-section{padding-bottom:56px}.notice-card{grid-template-columns:50px 1fr;padding:22px}.notice-card .btn{grid-column:1/-1;width:max-content}.notice-icon{width:45px;height:45px}
  .related-section,.faq-section{padding:56px 0}.related-list,.faq-grid{grid-template-columns:1fr}.section-heading{align-items:start;flex-direction:column;gap:8px}.section-heading h2,.faq-intro h2{font-size:26px}
  .closing-section{padding-bottom:62px}.closing-card{padding:34px 27px;display:block}.closing-card h2{font-size:25px}.closing-actions{margin-top:23px;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
  body{font-size:15px}.article-title-wrap h1{font-size:29px;letter-spacing:-.03em}.article-meta{gap:7px 14px}.article-meta span{font-size:13px}
  .article-content table{font-size:13px}.article-content th,.article-content td{padding:9px}.related-feature{padding:23px;min-height:220px}.related-feature h3{font-size:21px}
  .notice-card{display:block}.notice-icon{margin-bottom:14px}.notice-card .btn{margin-top:17px;width:100%}.closing-actions{display:grid;grid-template-columns:1fr}.closing-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}
}

/* roulang page: category1 */
:root{
      --ink:#17201e;
      --charcoal:#202725;
      --charcoal-2:#2b3531;
      --jade:#137a68;
      --jade-dark:#0c5e50;
      --jade-soft:#e4f2ec;
      --gold:#b68a48;
      --gold-soft:#f6eddd;
      --paper:#faf9f5;
      --surface:#fff;
      --mist:#f1f3ef;
      --line:#dce3de;
      --text:#26302d;
      --muted:#6b7671;
      --shadow:0 16px 36px rgba(24,37,32,.08);
      --shadow-sm:0 8px 20px rgba(24,37,32,.06);
      --radius:14px;
      --radius-sm:9px;
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(19,122,104,.28);outline-offset:3px}
    button,input,textarea,select{font:inherit}
    img{display:block;max-width:100%}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .topline{background:var(--charcoal);color:#c8d2cc;font-size:13px}
    .topline .container{height:36px;display:flex;align-items:center;justify-content:space-between}
    .topline strong{color:#e2b875;font-weight:600}
    .site-header{background:rgba(250,249,245,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
    .navbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;color:var(--ink);font-size:21px;font-weight:800;letter-spacing:.02em}
    .brand-mark{width:31px;height:35px;position:relative;border:2px solid var(--jade);border-radius:5px 5px 10px 10px}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--jade);left:6px;right:6px;height:2px}
    .brand-mark:before{top:8px}.brand-mark:after{top:16px}
    .brand-mark span{position:absolute;width:8px;height:8px;border:2px solid var(--jade);border-bottom:0;top:-7px;left:9px;border-radius:5px 5px 0 0}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-links a{font-size:15px;color:#46524d;padding:11px 13px;border-radius:6px;position:relative;transition:.2s ease}
    .nav-links a:hover,.nav-links a:focus-visible{color:var(--jade-dark);background:var(--jade-soft);outline:none}
    .nav-links a.active{color:var(--jade-dark);font-weight:700}
    .nav-links a.active:after{content:"";height:2px;background:var(--jade);position:absolute;left:13px;right:13px;bottom:5px}
    .nav-download{display:inline-flex;align-items:center;justify-content:center;background:var(--jade);color:#fff!important;padding:10px 16px!important;border-radius:7px;font-weight:700;box-shadow:0 5px 13px rgba(19,122,104,.16)}
    .nav-download:hover,.nav-download:focus-visible{background:var(--jade-dark)!important;color:#fff!important;transform:translateY(-1px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--surface);width:44px;height:42px;border-radius:8px;color:var(--ink)}
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{display:block;width:20px;height:2px;background:currentColor;margin:auto;position:relative}
    .menu-toggle span:before,.menu-toggle span:after{content:"";position:absolute;left:0}
    .menu-toggle span:before{top:-7px}.menu-toggle span:after{top:7px}

    main{overflow:hidden}
    .page-intro{padding:72px 0 54px;background:var(--paper);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;margin-bottom:24px}
    .breadcrumb a:hover{color:var(--jade-dark)}
    .breadcrumb .current{color:var(--jade-dark);font-weight:700}
    .intro-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:70px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--jade-dark);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:1px;background:var(--gold)}
    h1,h2,h3{color:var(--ink);font-weight:800;line-height:1.3}
    h1{font-size:clamp(36px,5vw,60px);letter-spacing:-.035em;margin:14px 0 18px}
    h2{font-size:clamp(27px,3vw,39px);margin:0 0 14px}
    h3{font-size:19px;margin:0 0 8px}
    .intro-copy{font-size:18px;color:#53615b;max-width:700px;margin:0}
    .intro-mark{border-left:3px solid var(--jade);padding:20px 0 20px 24px}
    .intro-mark strong{display:block;font-size:27px;color:var(--ink);line-height:1.35}
    .intro-mark span{display:block;color:var(--muted);font-size:14px;margin-top:8px}
    .section{padding:86px 0}
    .section-soft{background:var(--mist)}
    .section-dark{background:var(--charcoal);color:#edf1ed}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}
    .section-head p{max-width:560px;margin:0;color:var(--muted)}
    .section-dark h2{color:#f7f8f3}.section-dark .section-head p{color:#bfcac3}
    .tag{display:inline-flex;align-items:center;min-height:28px;padding:2px 10px;border-radius:5px;background:var(--jade-soft);color:var(--jade-dark);font-size:12px;font-weight:700}
    .tag.gold{background:var(--gold-soft);color:#85612d}
    .info-strip{padding:24px 0;border-bottom:1px solid var(--line);background:var(--surface)}
    .summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .summary-item{padding:8px 25px;border-right:1px solid var(--line)}
    .summary-item:first-child{padding-left:0}.summary-item:last-child{border:0}
    .summary-item strong{display:block;color:var(--ink);font-size:21px}
    .summary-item span{font-size:13px;color:var(--muted)}
    .download-panel{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
    .download-panel p{color:#c2ccc6;max-width:620px}
    .download-box{border:1px solid rgba(255,255,255,.18);padding:28px;background:var(--charcoal-2);border-radius:var(--radius)}
    .download-box h3{color:#fff;margin-bottom:20px}
    .download-row{display:flex;align-items:center;gap:18px}
    .qr{width:108px;height:108px;background:#f8f8f1;position:relative;border:8px solid #f8f8f1}
    .qr:before{content:"";position:absolute;inset:9px;background:repeating-linear-gradient(90deg,var(--charcoal) 0 4px,transparent 4px 8px),repeating-linear-gradient(0deg,transparent 0 5px,var(--charcoal) 5px 8px);opacity:.8}
    .download-box small{display:block;color:#b8c6be;line-height:1.7}
    .btn{border:1px solid transparent;min-height:46px;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;padding:0 20px;font-size:15px;font-weight:700;transition:.2s ease}
    .btn-primary{background:var(--jade);color:#fff;box-shadow:0 8px 18px rgba(19,122,104,.18)}
    .btn-primary:hover{background:#18917b;color:#fff;transform:translateY(-2px)}
    .btn-secondary{background:transparent;border-color:#aebbb4;color:var(--ink)}
    .btn-secondary:hover{background:var(--surface);border-color:var(--jade);color:var(--jade-dark);transform:translateY(-2px)}
    .btn-light{background:#f5f7f2;color:var(--ink)}.btn-light:hover{background:#fff;color:var(--jade-dark);transform:translateY(-2px)}
    .device-note{margin-top:22px;font-size:13px;color:#b8c6be}
    .device-note b{color:#e2b875}
    .device-visual{height:330px;display:flex;align-items:center;justify-content:center;position:relative}
    .device{width:184px;height:315px;border:8px solid #4b5952;border-radius:27px;background:#f4f4ed;box-shadow:0 22px 35px rgba(0,0,0,.25);padding:23px 12px 12px;transform:rotate(-5deg)}
    .device:before{content:"";width:50px;height:5px;border-radius:5px;background:#303a35;position:absolute;top:10px;left:59px}
    .screen-top{height:44px;background:var(--jade);border-radius:8px 8px 3px 3px;padding:8px;color:#fff;font-size:11px;font-weight:700}
    .screen-line{height:9px;background:#d9e5df;margin-top:14px;border-radius:2px}.screen-line.short{width:65%}
    .screen-list{margin-top:18px;display:grid;gap:8px}.screen-list i{height:31px;background:#fff;border:1px solid #d9e0db;border-radius:4px;display:block}
    .feature-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:22px}
    .feature-card,.spec-card,.step-card,.note-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
    .feature-card{min-height:220px}.feature-card.wide{background:var(--jade-soft);border-color:#c5e0d5}
    .feature-card p,.spec-card p,.step-card p,.note-panel p{margin:0;color:var(--muted);font-size:15px}
    .feature-card .number{color:var(--gold);font-size:14px;font-weight:800;margin-bottom:32px}
    .spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .spec-card{box-shadow:none}.spec-card strong{display:block;font-size:17px;color:var(--ink);margin-bottom:7px}
    .spec-card span{font-size:13px;color:var(--jade-dark)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step-card{border:0;border-radius:0;box-shadow:none;background:transparent;padding:28px 24px 8px 0;position:relative}
    .step-card:not(:last-child){border-right:1px solid var(--line);margin-right:24px}
    .step-no{display:flex;width:34px;height:34px;align-items:center;justify-content:center;background:var(--charcoal);color:#fff;border-radius:50%;font-size:14px;font-weight:800;margin-bottom:18px}
    .notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .note-panel{border-left:4px solid var(--jade)}.note-panel.warning{border-left-color:var(--gold);background:#fffaf2}
    .note-panel ul{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px}
    .note-panel li{padding-left:20px;position:relative;font-size:15px}
    .note-panel li:before{content:"";width:7px;height:7px;background:var(--jade);position:absolute;left:2px;top:11px;border-radius:50%}
    .faq-list{max-width:900px;border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:19px 0}
    summary{cursor:pointer;list-style:none;color:var(--ink);font-weight:700;padding-right:35px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";position:absolute;right:4px;color:var(--jade);font-size:22px;font-weight:400;top:-3px}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);max-width:800px;margin:12px 0 0;padding-right:35px}
    .category-cta{background:var(--gold-soft);border-top:1px solid #ead9bb;border-bottom:1px solid #ead9bb}
    .cta-row{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-row h2{font-size:30px;margin-bottom:8px}.cta-row p{margin:0;color:var(--muted)}
    .site-footer{background:var(--charcoal);color:#d4ddd7;padding:63px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:70px;padding-bottom:48px}
    .footer-brand .brand{color:#f5f6f0;margin-bottom:17px}.footer-brand .brand-mark{border-color:#6dc2a7}.footer-brand .brand-mark:before,.footer-brand .brand-mark:after{background:#6dc2a7}.footer-brand .brand-mark span{border-color:#6dc2a7;border-bottom:0}
    .footer-brand p{max-width:410px;color:#aebbb4;font-size:14px;margin:0}
    .footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h3{color:#f0f3ed;font-size:16px;margin:0 0 10px}.footer-col a{color:#aebbb4;font-size:14px;transition:.2s}.footer-col a:hover{color:#8bd1ba;transform:translateX(2px)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#8e9c94;font-size:12px;flex-wrap:wrap}

    @media (max-width:1024px){
      .intro-grid,.download-panel{grid-template-columns:1fr;gap:30px}
      .intro-mark{max-width:400px}
      .feature-grid{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:repeat(2,1fr);gap:22px}
      .step-card:not(:last-child){border-right:0;margin-right:0}
      .footer-grid{gap:35px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .topline .container{height:34px}.topline span:last-child{display:none}
      .navbar{height:68px}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:75px;padding:12px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:10px;flex-direction:column;align-items:stretch}
      .nav-links.is-open{display:flex}.nav-links a{padding:13px 15px}.nav-links a.active:after{left:15px;right:auto;width:28px;bottom:7px}.nav-download{text-align:center;margin-top:5px}
      .page-intro{padding:50px 0 40px}h1{font-size:40px}.intro-copy{font-size:16px}
      .section{padding:60px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:12px}
      .summary-grid{grid-template-columns:1fr 1fr;gap:18px}.summary-item{padding:0;border:0}
      .download-panel{gap:15px}.device-visual{height:290px}
      .feature-grid,.notice-grid,.spec-grid{grid-template-columns:1fr}
      .feature-card{min-height:0}.steps{grid-template-columns:1fr;gap:0}.step-card{padding:23px 0;border-bottom:1px solid var(--line)!important}
      .step-card:last-child{border-bottom:0!important}
      .cta-row{display:block}.cta-row .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:35px}.footer-brand{grid-column:1/-1}
    }
    @media (max-width:520px){
      .brand{font-size:18px}.brand-mark{width:28px;height:32px}
      h1{font-size:34px}.intro-mark strong{font-size:23px}
      .download-box{padding:20px}.download-row{align-items:flex-start;flex-direction:column}
      .device-visual{height:260px}.device{transform:scale(.85) rotate(-5deg)}
      .summary-item strong{font-size:18px}.summary-item span{font-size:12px}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }