/* roulang page: index */
:root{
  --ink:#17211b;
  --muted:#6b766f;
  --paper:#f6f7f3;
  --white:#fff;
  --line:#dfe5df;
  --green:#b9ed3e;
  --green-deep:#79b51e;
  --dark:#101914;
  --dark-2:#19251e;
  --orange:#ed9b43;
  --soft-green:#eaf5d6;
  --radius:14px;
  --shadow:0 12px 30px rgba(22,35,26,.08);
  --max:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.site-header{background:var(--dark);color:#eef4eb;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
.navbar{height:76px;display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:10px;min-width:245px;font-weight:800;letter-spacing:-.5px}
.logo-mark{width:34px;height:34px;border-radius:9px;background:var(--green);display:grid;place-items:center;color:var(--dark);font-size:17px;font-weight:900}
.logo-text{font-size:17px;line-height:1.2}
.logo-text small{display:block;color:#9eaaa1;font-size:10px;font-weight:500;letter-spacing:1px;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.main-nav a{padding:25px 13px 22px;color:#bac5bd;position:relative;transition:.2s}
.main-nav a:hover,.main-nav a:focus,.main-nav a.active{color:#fff}
.main-nav a.active:after{content:"";height:3px;background:var(--green);position:absolute;left:13px;right:13px;bottom:0;border-radius:3px}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-link{color:#d9e5d8;border:1px solid #3e4d43;padding:8px 14px;border-radius:7px;font-size:13px}
.nav-link:hover{border-color:var(--green);color:var(--green)}
.menu-toggle{display:none;background:none;color:#fff;font-size:25px}
.status-strip{background:#18241d;color:#aebaad;font-size:12px}
.status-inner{height:34px;display:flex;align-items:center;gap:12px}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(185,237,62,.12)}
.hero{padding:76px 0 62px;background:linear-gradient(135deg,#f6f7f3 0%,#edf4e8 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:64px;align-items:center}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#609211;font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase}
.eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--green-deep)}
h1{font-size:clamp(34px,4.5vw,62px);line-height:1.12;letter-spacing:-2px;margin:18px 0 20px;max-width:620px}
.hero-copy p{font-size:17px;color:var(--muted);max-width:570px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:7px;padding:12px 19px;font-weight:700;transition:.2s;min-height:46px}
.btn-primary{background:var(--green);color:#15200f}
.btn-primary:hover,.btn-primary:focus{background:#a8dc32;transform:translateY(-2px);box-shadow:0 7px 15px rgba(121,181,30,.18)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover,.btn-dark:focus{background:#2b3d31;transform:translateY(-2px)}
.btn-outline{border:1px solid #bfcabe;color:var(--ink);background:transparent}
.btn-outline:hover,.btn-outline:focus{border-color:var(--green-deep);background:var(--soft-green)}
.btn:focus,.nav-link:focus,a:focus,input:focus{outline:3px solid rgba(185,237,62,.45);outline-offset:2px}
.hero-notes{display:flex;gap:22px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.note strong{display:block;font-size:20px}.note span{display:block;color:var(--muted);font-size:12px}
.board{background:var(--dark);color:#edf4ec;border-radius:18px;padding:22px;box-shadow:0 22px 48px rgba(16,25,20,.16);transform:rotate(1deg)}
.board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #334239;padding-bottom:17px}
.board-title{font-size:14px;font-weight:700}.board-date{font-size:12px;color:#9daaa0}
.board-filter{display:flex;gap:7px;margin:17px 0;overflow:auto}
.board-filter span{font-size:11px;padding:5px 10px;border-radius:5px;background:#26342b;color:#aab6ac;white-space:nowrap}
.board-filter span.active{background:var(--green);color:var(--dark);font-weight:700}
.match{border:1px solid #344239;border-radius:10px;padding:16px;margin-top:10px;background:#17231c;display:grid;grid-template-columns:95px 1fr 78px;gap:15px;align-items:center}
.match-meta{font-size:11px;color:#a4b0a5}.match-meta b{display:block;color:#e4eee3;font-size:13px;margin-bottom:3px}
.teams{border-left:1px solid #354239;padding-left:15px}.teams div{display:flex;justify-content:space-between;font-size:14px}.teams div+div{margin-top:5px}.teams em{font-style:normal;color:#849288;font-size:11px}
.match-state{text-align:right}.state{display:inline-block;padding:4px 7px;border-radius:4px;font-size:10px;background:#354239;color:#c4cec3}.state.open{background:rgba(185,237,62,.16);color:var(--green)}
.market-link{display:block;color:var(--green);font-size:11px;margin-top:6px}
.quick{padding:26px 0 34px;border-bottom:1px solid var(--line)}
.quick-list{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr 1.2fr 1fr;gap:10px}
.quick-item{background:#fff;border:1px solid var(--line);padding:17px 16px;border-radius:10px;transition:.2s;display:flex;flex-direction:column;min-height:102px}
.quick-item:hover{border-color:var(--green-deep);transform:translateY(-3px);box-shadow:var(--shadow)}
.quick-item strong{font-size:15px}.quick-item span{color:var(--muted);font-size:11px;margin-top:5px}.arrow{margin-top:auto;color:var(--green-deep);font-size:18px}
.section{padding:88px 0}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px;gap:20px}
.section h2{font-size:34px;line-height:1.2;letter-spacing:-1px;margin-top:10px}
.section-intro{color:var(--muted);max-width:500px}
.text-link{color:#5d8d17;font-weight:700;white-space:nowrap}.text-link:hover{text-decoration:underline}
.events{background:var(--dark);color:#edf4ec;padding:82px 0}.events .section-kicker{color:var(--green)}.events .section-head p{color:#9eaca1}
.event-toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.select-like{color:#c8d2ca;border:1px solid #3a4b3e;background:#1d2a22;border-radius:6px;padding:9px 12px;font-size:12px}
.events .event-list{border-top:1px solid #334239}
.event-row{display:grid;grid-template-columns:150px 1fr 150px;gap:22px;align-items:center;padding:20px 5px;border-bottom:1px solid #334239}
.event-info{color:#95a399;font-size:12px}.event-info b{display:block;color:#e8f0e6;font-size:14px}
.event-name{font-size:16px}.event-name small{display:block;color:#849187;font-size:12px}
.event-action{text-align:right}.event-action a{font-size:12px;color:var(--green);font-weight:700}
.empty-event{padding:27px;text-align:center;color:#9daaa0;border:1px dashed #405043;margin-top:18px;border-radius:8px}
.split{display:grid;grid-template-columns:5fr 7fr;gap:70px;align-items:start}
.steps{border-left:2px solid var(--line);margin-top:12px}
.step{position:relative;padding:0 0 27px 29px}.step:last-child{padding-bottom:0}
.step:before{content:attr(data-no);position:absolute;left:-17px;top:0;width:30px;height:30px;border-radius:50%;background:var(--green);color:var(--dark);display:grid;place-items:center;font-weight:800;font-size:12px}
.step h3{font-size:17px;margin-bottom:5px}.step p{font-size:13px;color:var(--muted)}
.rule-panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:var(--shadow)}
.rule-panel h3{font-size:21px;margin-bottom:15px}.rule-list{list-style:none}.rule-list li{padding:13px 0;border-bottom:1px solid var(--line);display:flex;gap:12px}.rule-list li:last-child{border-bottom:0}.rule-list b{color:var(--green-deep)}
.news-section{background:#fff}
.news-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.feature-news{background:var(--dark);color:#fff;border-radius:14px;padding:30px;min-height:310px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
.feature-news:before{content:"资讯精选";position:absolute;top:25px;left:25px;color:var(--green);font-weight:800;font-size:12px;letter-spacing:1px}
.feature-news h3{font-size:25px;line-height:1.35;max-width:470px}.feature-news p{color:#acb8ae;margin:12px 0;font-size:13px}.feature-news .text-link{color:var(--green)}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:82px 1fr 20px;gap:16px;align-items:center;padding:17px 4px;border-bottom:1px solid var(--line)}
.news-item time{font-size:11px;color:var(--muted)}.news-item h4{font-size:14px}.news-item p{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.news-item .chevron{color:var(--green-deep);font-size:20px}
.news-empty{padding:32px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);text-align:center;grid-column:1/-1}
.app-zone{padding:80px 0;background:#e5efdc}.app-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px}
.app-copy h2{font-size:36px;line-height:1.2;margin:12px 0}.app-copy p{color:var(--muted);max-width:520px}.app-tags{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.tag{padding:7px 11px;background:#fff;border:1px solid #cfddc7;border-radius:5px;font-size:12px}
.device-area{display:flex;justify-content:center;gap:20px;align-items:center}.device{width:184px;height:310px;border:8px solid var(--dark);border-radius:27px;background:#26352a;box-shadow:var(--shadow);padding:25px 12px;position:relative;color:#dbe9d9}.device:before{content:"";width:55px;height:5px;background:#516158;border-radius:5px;position:absolute;top:9px;left:57px}.device-top{font-size:10px;color:var(--green);border-bottom:1px solid #526257;padding-bottom:10px}.device-line{height:39px;border-bottom:1px solid #435347;padding-top:13px;font-size:11px}.download-box{background:#fff;padding:17px;border-radius:10px;text-align:center}.qr{width:84px;height:84px;margin:0 auto 10px;background:repeating-linear-gradient(45deg,#17211b 0 4px,#fff 4px 8px);border:5px solid #fff;box-shadow:0 0 0 1px var(--line)}.download-box small{color:var(--muted);font-size:11px}
.faq-section{background:var(--paper)}.faq-layout{display:grid;grid-template-columns:280px 1fr;gap:65px}.faq-nav{display:flex;flex-direction:column;gap:4px;margin-top:15px}.faq-nav a{padding:11px 14px;border-left:3px solid transparent;color:var(--muted)}.faq-nav a.active,.faq-nav a:hover{border-color:var(--green-deep);background:#e9f1e4;color:var(--ink);font-weight:700}
.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;background:none;text-align:left;padding:20px 4px;display:flex;justify-content:space-between;align-items:center;font-weight:700;color:var(--ink)}.faq-question span{font-size:22px;color:var(--green-deep);transition:.2s}.faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:13px;transition:max-height .3s,padding .3s}.faq-item.open .faq-answer{max-height:130px;padding:0 30px 20px 4px}.faq-item.open .faq-question span{transform:rotate(45deg)}
.cta{padding:44px 0}.cta-box{background:var(--dark);color:#fff;border-radius:15px;padding:39px 44px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta-box h2{font-size:28px;line-height:1.3}.cta-box p{color:#aebbb0;font-size:13px;margin-top:6px}
.site-footer{background:#0d1510;color:#b2beb4;padding:54px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:50px;padding-bottom:42px;border-bottom:1px solid #29352d}.footer-brand .logo{min-width:0;color:#fff}.footer-brand p{font-size:12px;line-height:1.8;margin-top:17px;max-width:300px;color:#89968d}.footer-col h4{color:#eef4eb;font-size:13px;margin-bottom:14px}.footer-col a{display:block;font-size:12px;color:#9ba89e;margin:8px 0}.footer-col a:hover{color:var(--green)}.risk{font-size:11px;line-height:1.7;color:#7f8d82}.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:11px;color:#718075}
@media(max-width:1050px){.navbar{gap:15px}.logo{min-width:220px}.main-nav a{padding-left:8px;padding-right:8px}.main-nav a.active:after{left:8px;right:8px}.hero-grid{gap:35px}.quick-list{grid-template-columns:repeat(3,1fr)}}
@media(max-width:800px){.container{width:min(var(--max),calc(100% - 32px))}.navbar{height:68px}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--dark);padding:8px 16px 18px;flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.main-nav a{padding:12px 14px}.main-nav a.active:after{left:0;right:auto;bottom:auto;top:9px;width:3px;height:22px}.nav-actions{margin-left:auto}.nav-link{display:none}.menu-toggle{display:block}.hero{padding:54px 0}.hero-grid,.split,.app-grid,.faq-layout{grid-template-columns:1fr;gap:38px}.board{transform:none}.section{padding:62px 0}.news-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.cta-box{display:block}.cta-box .actions{margin-top:20px}}
@media(max-width:520px){body{font-size:14px}.container{width:calc(100% - 28px)}h1{font-size:35px;letter-spacing:-1px}.hero-copy p{font-size:15px}.hero-notes{gap:12px}.note strong{font-size:17px}.quick-list{display:flex;overflow-x:auto;padding-bottom:5px}.quick-item{min-width:145px}.match{grid-template-columns:1fr;gap:9px}.teams{border-left:0;border-top:1px solid #354239;padding:10px 0 0}.match-state{text-align:left}.event-row{grid-template-columns:1fr;gap:8px;padding:17px 0}.event-action{text-align:left}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.device-area{gap:8px}.device{width:145px;height:255px}.download-box{padding:12px}.qr{width:68px;height:68px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:8px}}

/* roulang page: index */
:root{
  --green:#123b2a;--deep:#0a1711;--paper:#f5f3ed;--card:#fff;
  --line:#d9ded7;--muted:#657066;--orange:#e96824;--pale:#dce9d6;
  --shadow:0 8px 24px rgba(18,59,42,.08);--radius:7px;--max:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:#18221b;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 64px));margin:auto}
.site-header{height:72px;background:#faf9f5;border-bottom:1px solid transparent;position:sticky;top:0;z-index:20;transition:.25s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 3px 15px rgba(10,23,17,.06)}
.navbar{height:72px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;color:var(--green);font-weight:800;line-height:1.1;white-space:nowrap}
.logo-mark{width:27px;height:27px;border:2px solid var(--green);position:relative;background:linear-gradient(90deg,transparent 48%,var(--green) 49%,var(--green) 52%,transparent 53%),linear-gradient(0deg,transparent 48%,var(--green) 49%,var(--green) 52%,transparent 53%)}
.logo-mark:after{content:"";position:absolute;left:5px;right:5px;top:5px;bottom:5px;border:1px solid var(--orange)}
.logo small{display:block;font-size:10px;letter-spacing:1px;color:var(--muted);font-weight:600;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:8px 12px;font-size:14px;color:#435047;position:relative;white-space:nowrap}
.nav-links a:after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;background:var(--orange);transform:scaleX(0);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 19px;border-radius:5px;font-size:14px;font-weight:700;transition:.2s}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#c95117;transform:translateY(-2px)}
.btn-outline{border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-outline:hover{border-color:var(--orange);color:#fff;background:rgba(233,104,36,.12)}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.menu-toggle{display:none;background:none;color:var(--green);font-size:25px}
.hero{min-height:590px;background:var(--deep);color:#fff;position:relative;overflow:hidden;display:flex;align-items:center}
.hero:before{content:"";position:absolute;inset:0;background:
linear-gradient(rgba(10,23,17,.3),rgba(10,23,17,.72)),
repeating-linear-gradient(90deg,rgba(220,233,214,.08) 0 1px,transparent 1px 94px),
linear-gradient(165deg,#244d35 0 28%,#102b1e 29% 65%,#07100b 66%);opacity:.95}
.hero:after{content:"";position:absolute;left:-10%;right:-10%;bottom:-160px;height:300px;border-top:2px solid rgba(220,233,214,.25);background:repeating-linear-gradient(82deg,transparent 0 115px,rgba(220,233,214,.08) 116px 117px)}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 430px;gap:80px;align-items:center;padding:72px 0 90px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#dce9d6;font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:18px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--orange);display:inline-block}
h1{font-size:clamp(34px,4.1vw,52px);line-height:1.18;letter-spacing:.01em;max-width:690px}
.hero-copy{color:#cfdbd0;max-width:620px;margin:22px 0 28px;font-size:17px;line-height:1.8}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.scoreboard{border:1px solid rgba(220,233,214,.22);background:rgba(10,23,17,.72);padding:18px 20px;box-shadow:0 12px 30px rgba(0,0,0,.18)}
.score-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:13px;border-bottom:1px solid rgba(220,233,214,.18);font-size:13px;color:#dce9d6}
.live{color:#f29a69;font-size:12px}.live:before{content:"";width:6px;height:6px;background:var(--orange);display:inline-block;border-radius:50%;margin-right:6px}
.match{display:grid;grid-template-columns:58px 1fr 65px;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid rgba(220,233,214,.12)}
.match:last-child{border-bottom:0}.match-time{font-family:monospace;color:#f2f0e7;font-size:14px}.match-info strong{display:block;font-size:14px;font-weight:600}.match-info span{font-size:12px;color:#9eafa1}.match-status{font-size:12px;color:#aebcaf;text-align:right}
.section{padding:86px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head h2{font-size:31px;color:var(--green);line-height:1.25}.section-head p{color:var(--muted);max-width:530px;font-size:14px}
.project-strip{background:#fff;border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr)}
.project{padding:22px 20px;border-right:1px solid var(--line);display:flex;align-items:center;gap:13px;transition:.2s}
.project:last-child{border-right:0}.project:hover{background:var(--pale);color:var(--green)}
.project-icon{width:36px;height:36px;border:1px solid #9bb19d;color:var(--green);display:grid;place-items:center;font-weight:800;font-size:15px}
.project b{display:block;font-size:15px}.project span{font-size:12px;color:var(--muted)}.arrow{margin-left:auto;color:var(--orange);font-size:20px}
.news-layout{display:grid;grid-template-columns:1.65fr .9fr;gap:28px}
.feature-news{background:var(--card);border:1px solid var(--line);display:grid;grid-template-columns:42% 1fr;min-height:260px;box-shadow:var(--shadow)}
.visual-field{min-height:230px;background:linear-gradient(145deg,#326344,#153a28 55%,#0a1711);position:relative;overflow:hidden}
.visual-field:before{content:"";position:absolute;inset:16%;border:1px solid rgba(220,233,214,.45);transform:skewY(-8deg)}
.visual-field:after{content:"⚽";position:absolute;left:42%;top:39%;font-size:43px;filter:grayscale(1);opacity:.72}
.news-body{padding:27px}.tag{display:inline-block;padding:3px 9px;background:var(--pale);color:var(--green);font-size:12px;border-radius:3px;font-weight:700}
.news-body h3{font-size:21px;line-height:1.45;margin:15px 0 9px;color:var(--green)}.news-body p{font-size:14px;color:var(--muted);line-height:1.75}.meta{display:flex;gap:15px;color:#879188;font-size:12px;margin-top:18px}
.timeline{background:#fff;border:1px solid var(--line);padding:23px 24px}.timeline h3{font-size:18px;color:var(--green);margin-bottom:17px}
.time-row{display:grid;grid-template-columns:57px 10px 1fr;gap:9px;padding:12px 0;border-bottom:1px solid #edf0eb;font-size:13px}.time-row:last-child{border:0}.time{font-family:monospace;color:var(--muted)}.dot{width:7px;height:7px;border-radius:50%;background:var(--orange);margin-top:9px}.time-row strong{font-weight:650}.time-row span{display:block;color:var(--muted);font-size:12px}
.list-area{margin-top:22px;background:#fff;border:1px solid var(--line);padding:7px 25px}.list-item{display:grid;grid-template-columns:90px 1fr 90px 20px;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.list-item:last-child{border-bottom:0}.list-thumb{height:58px;background:linear-gradient(135deg,#dce9d6,#799b7d);position:relative}.list-thumb:after{content:"";position:absolute;inset:11px;border:1px solid rgba(18,59,42,.45)}.list-item h4{font-size:15px;line-height:1.45;color:var(--green)}.list-item p{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list-date{font-size:12px;color:#849087;text-align:right}
.download{background:var(--deep);color:#fff;padding:80px 0;overflow:hidden}.download-inner{display:grid;grid-template-columns:42% 1fr;gap:90px;align-items:center}.download h2{font-size:32px;line-height:1.3}.download p{color:#bdcabe;margin:17px 0 23px;max-width:540px}.device-stage{height:315px;position:relative;background:linear-gradient(145deg,#214d35,#0e2418);border:1px solid rgba(220,233,214,.18);display:grid;place-items:center}.phone{width:145px;height:275px;border:7px solid #17231b;border-radius:18px;background:#eef1e8;box-shadow:0 18px 35px #0008;transform:rotate(-8deg);padding:25px 12px 12px;color:var(--green)}.phone:before{content:"";position:absolute;top:8px;left:48px;width:40px;height:4px;border-radius:3px;background:#27372b}.phone h4{font-size:12px;margin-bottom:13px}.phone-line{height:31px;background:#d8e5d4;margin:7px 0;border-left:3px solid var(--orange);padding:5px;font-size:9px}.download-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:25px 0}.download-point{border-left:2px solid var(--orange);padding-left:13px;color:#dce9d6;font-size:14px}.download-point small{display:block;color:#8ea293;font-size:12px}.guide{background:#eef2e9}.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.step{padding:25px 22px 12px;border-right:1px solid var(--line);position:relative}.step:last-child{border:0}.step-num{font-family:monospace;color:var(--orange);font-size:22px;font-weight:700}.step h3{font-size:18px;color:var(--green);margin:8px 0}.step p{font-size:14px;color:var(--muted);line-height:1.7}.notice{margin-top:28px;padding:14px 18px;background:var(--pale);border-left:3px solid var(--green);color:var(--green);font-size:14px}
.faq{max-width:820px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;background:none;text-align:left;padding:19px 4px;color:var(--green);font-size:16px;font-weight:700;display:flex;justify-content:space-between}.faq-q span{color:var(--orange);font-size:21px;transition:.2s}.faq-a{display:none;padding:0 35px 18px 4px;color:var(--muted);font-size:14px;line-height:1.8}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
.cta{background:var(--green);color:#fff;padding:60px 0}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:30px}.cta p{color:#c3d0c4;margin-top:6px;font-size:14px}
.site-footer{background:var(--deep);color:#dce9d6;padding:48px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(220,233,214,.15)}.footer-title{font-weight:800;margin-bottom:13px}.footer-grid p,.footer-grid a{display:block;color:#94a798;font-size:13px;line-height:2}.footer-grid a:hover{color:#fff}.copyright{padding-top:20px;color:#718274;font-size:12px;display:flex;justify-content:space-between;gap:20px}.top{position:fixed;right:22px;bottom:22px;width:40px;height:40px;background:var(--orange);color:#fff;border-radius:5px;display:none;place-items:center;z-index:10}
@media(max-width:960px){.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.hero-inner{grid-template-columns:1fr 370px;gap:35px}.download-inner{gap:45px}.container{width:min(var(--max),calc(100% - 48px))}}
@media(max-width:768px){.container{width:calc(100% - 32px)}.site-header,.navbar{height:64px}.navbar{gap:12px}.logo{font-size:14px}.logo small{display:none}.nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#faf9f5;border-bottom:1px solid var(--line);padding:12px 16px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.nav-links.show{display:flex}.nav-links a{padding:11px 5px}.nav-links a:after{left:0;right:auto;width:28px;bottom:4px}.menu-toggle{display:block;margin-left:auto}.navbar>.btn{min-height:36px;padding:0 12px;font-size:12px}.hero{min-height:650px}.hero-inner{display:flex;flex-direction:column;align-items:stretch;padding:60px 0 76px;gap:35px}.hero-copy{font-size:15px;margin:18px 0 23px}.scoreboard{max-width:470px}.project-strip{display:flex;overflow-x:auto}.project{min-width:170px;padding:17px}.section{padding:62px 0}.section-head{display:block;margin-bottom:22px}.section-head h2{font-size:27px;margin-bottom:8px}.news-layout{grid-template-columns:1fr}.feature-news{grid-template-columns:1fr}.visual-field{min-height:180px}.steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.download-inner{grid-template-columns:1fr;gap:35px}.device-stage{order:2}.footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}.cta-inner{display:block}.cta .btn{margin-top:20px}}
@media(max-width:480px){h1{font-size:33px}.hero-inner{padding-top:48px}.match{grid-template-columns:52px 1fr 55px}.list-area{padding:4px 15px}.list-item{grid-template-columns:62px 1fr 18px;gap:10px}.list-date{display:none}.list-thumb{height:48px}.list-item p{display:none}.download h2{font-size:27px}.download-points{grid-template-columns:1fr}.steps{display:block}.step{border-right:0;border-bottom:1px solid var(--line)!important}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.copyright{display:block}.copyright span{display:block;margin-top:5px}}

/* roulang page: article */
:root{
      --ink:#17211b;
      --muted:#6b766f;
      --paper:#f6f7f3;
      --white:#fff;
      --line:#dfe5df;
      --green:#b9ed3e;
      --green-deep:#79b51e;
      --dark:#101914;
      --dark-2:#19251e;
      --orange:#ed9b43;
      --soft-green:#eaf5d6;
      --deep:#0a1711;
      --card:#fff;
      --pale:#dce9d6;
      --shadow:0 12px 30px rgba(22,35,26,.08);
      --radius:14px;
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font:15px/1.75 Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:30;
      background:var(--dark);color:#eef4eb;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .navbar{height:76px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:10px;min-width:245px;font-weight:800}
    .logo-mark{
      width:34px;height:34px;border-radius:9px;background:var(--green);
      display:grid;place-items:center;color:var(--dark);font-size:17px;font-weight:900;
    }
    .logo-text{font-size:17px;line-height:1.2}
    .logo-text small{display:block;color:#9eaaa1;font-size:10px;font-weight:500;letter-spacing:1px;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:25px 13px 22px;color:#bac5bd;position:relative;transition:.2s;white-space:nowrap}
    .main-nav a:hover,.main-nav a:focus,.main-nav a.active{color:#fff}
    .main-nav a.active:after{content:"";height:3px;background:var(--green);position:absolute;left:13px;right:13px;bottom:0;border-radius:3px}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-link{color:#d9e5d8;border:1px solid #3e4d43;padding:8px 14px;border-radius:7px;font-size:13px}
    .nav-link:hover{border-color:var(--green);color:var(--green)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 19px;border-radius:7px;font-weight:700;transition:.2s
    }
    .btn-primary{background:var(--green);color:#15200f}
    .btn-primary:hover,.btn-primary:focus{background:#a8dc32;transform:translateY(-2px);box-shadow:0 7px 15px rgba(121,181,30,.18)}
    .btn-dark{background:var(--dark);color:#fff}
    .btn-dark:hover,.btn-dark:focus{background:#2b3d31;transform:translateY(-2px)}
    .btn-outline{border:1px solid #bfcabe;color:var(--ink);background:transparent}
    .btn-outline:hover,.btn-outline:focus{border-color:var(--green-deep);background:var(--soft-green)}
    a:focus,button:focus,input:focus{outline:3px solid rgba(185,237,62,.45);outline-offset:2px}
    .article-hero{
      position:relative;overflow:hidden;padding:72px 0 78px;
      color:#f4f8f2;background:var(--deep);
      border-bottom:4px solid var(--green);
    }
    .article-hero:before,.article-hero:after{
      content:"";position:absolute;pointer-events:none;border:1px solid rgba(185,237,62,.18);
      transform:rotate(-8deg)
    }
    .article-hero:before{width:520px;height:230px;right:-80px;top:38px}
    .article-hero:after{width:390px;height:180px;right:40px;top:72px}
    .hero-inner{position:relative;z-index:1;max-width:900px}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:#9ead9f;font-size:13px;margin-bottom:25px}
    .breadcrumb a:hover{color:var(--green)}
    .breadcrumb span{color:#59695d}
    .article-label,.tag{
      display:inline-flex;align-items:center;
      padding:5px 10px;border-radius:5px;font-size:12px;font-weight:700
    }
    .article-label{background:rgba(185,237,62,.14);color:var(--green);border:1px solid rgba(185,237,62,.25)}
    .article-hero h1{
      max-width:840px;margin:18px 0 17px;font-size:clamp(30px,4.2vw,48px);
      line-height:1.28;letter-spacing:-1px;font-weight:800
    }
    .article-lead{max-width:760px;color:#bdc9bf;font-size:17px;margin:0 0 24px}
    .article-meta{display:flex;flex-wrap:wrap;gap:18px;color:#91a095;font-size:13px}
    .article-meta strong{color:#dce8dc;font-weight:500}
    .page-main{padding:68px 0 88px}
    .reading-layout{display:grid;grid-template-columns:minmax(0,820px) 260px;gap:72px;align-items:start;justify-content:center}
    .article-content{
      background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:var(--shadow);padding:42px 48px;min-width:0
    }
    .article-content h2{font-size:29px;line-height:1.35;margin:38px 0 16px;color:var(--dark)}
    .article-content h3{font-size:21px;line-height:1.45;margin:30px 0 12px;color:var(--dark)}
    .article-content h2:first-child{margin-top:0}
    .article-content p{margin:0 0 20px;color:#435047;font-size:16px}
    .article-content ul,.article-content ol{padding-left:24px;margin:12px 0 24px;color:#435047}
    .article-content li{padding:4px 0}
    .article-content blockquote{
      margin:28px 0;padding:18px 22px;background:var(--soft-green);
      border-left:4px solid var(--green-deep);color:#365332
    }
    .article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
    .article-content th,.article-content td{border:1px solid var(--line);padding:11px 13px;text-align:left}
    .article-content th{background:var(--soft-green);color:var(--dark)}
    .article-content img{border-radius:7px;margin:25px auto}
    .article-content a{color:#568b13;text-decoration:underline;text-underline-offset:3px}
    .article-content a:hover{color:var(--orange)}
    .article-empty{text-align:center;padding:45px 20px}
    .article-empty h2{margin:0 0 10px}
    .article-empty p{color:var(--muted)}
    .side-panel{position:sticky;top:103px}
    .side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
    .side-box h3{font-size:16px;margin:0 0 15px;color:var(--dark)}
    .side-box p{font-size:13px;color:var(--muted);margin:0 0 17px}
    .side-links{list-style:none;margin:0;padding:0}
    .side-links li{border-top:1px solid var(--line)}
    .side-links a{display:flex;justify-content:space-between;gap:8px;padding:12px 0;font-size:13px;color:#526159}
    .side-links a:hover{color:var(--green-deep)}
    .side-links b{color:var(--green-deep)}
    .notice{
      margin-top:22px;padding:17px 18px;border:1px solid #cbdcc2;
      background:var(--soft-green);border-radius:7px;color:#45613d;font-size:13px
    }
    .related{padding:0 0 88px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}
    .section-kicker{display:inline-flex;align-items:center;gap:8px;color:#609211;font-size:12px;font-weight:800;letter-spacing:1.5px}
    .section-kicker:before{content:"";width:22px;height:2px;background:var(--green-deep)}
    .section-head h2{font-size:30px;line-height:1.25;margin:9px 0 0}
    .related-list{border-top:1px solid var(--line);background:#fff;border-bottom:1px solid var(--line)}
    .related-item{display:grid;grid-template-columns:125px 1fr 30px;gap:20px;align-items:center;padding:19px 22px;border-bottom:1px solid var(--line);transition:.2s}
    .related-item:last-child{border-bottom:0}
    .related-item:hover{background:#fbfcf8;padding-left:25px}
    .related-item time{font-size:12px;color:var(--muted)}
    .related-item h3{font-size:16px;margin:0 0 3px}
    .related-item p{font-size:13px;color:var(--muted);margin:0}
    .related-arrow{font-size:22px;color:var(--green-deep)}
    .cta-band{background:var(--dark);color:#fff;padding:48px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-inner h2{font-size:27px;margin:0 0 7px}
    .cta-inner p{color:#aab8ad;margin:0}
    .site-footer{background:var(--deep);color:#dfe9df;padding:52px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-title{font-size:16px;font-weight:800;color:#fff;margin-bottom:14px}
    .site-footer p{color:#98a79a;font-size:13px;margin:5px 0}
    .site-footer a{display:block;color:#9eaca1;font-size:13px;margin:8px 0}
    .site-footer a:hover{color:var(--green)}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #26372c;margin-top:38px;padding-top:18px;color:#718074;font-size:12px}
    .back-top{
      position:fixed;right:22px;bottom:22px;width:42px;height:42px;border-radius:7px;
      background:var(--green);color:var(--dark);font-weight:900;display:grid;place-items:center;
      box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s;z-index:10
    }
    .back-top.show{opacity:1;pointer-events:auto}
    @media(max-width:1100px){
      .navbar{gap:12px}.logo{min-width:220px}.main-nav a{padding-left:8px;padding-right:8px;font-size:14px}
      .main-nav a.active:after{left:8px;right:8px}
      .reading-layout{grid-template-columns:minmax(0,820px) 220px;gap:30px}
    }
    @media(max-width:900px){
      .main-nav{display:none}.menu-toggle{display:block;margin-left:auto}
      .nav-actions{margin-left:auto}.navbar{height:68px}.nav-link{padding:7px 11px}
      .reading-layout{display:block}.side-panel{position:static;margin-top:28px}
      .side-box{max-width:820px;margin:auto}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .article-hero{padding:48px 0 54px}.article-hero h1{font-size:32px}
      .article-lead{font-size:15px}.page-main{padding:40px 0 55px}
      .article-content{padding:28px 22px}.article-content h2{font-size:25px}
      .related{padding-bottom:55px}.related-item{grid-template-columns:1fr 25px;gap:9px;padding:16px}
      .related-item time{grid-column:1}.related-item p{display:none}
      .cta-inner{display:block}.cta-inner .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:27px}
    }
    @media(max-width:520px){
      .logo{min-width:0}.logo-text{font-size:14px}.logo-text small{display:none}.logo-mark{width:31px;height:31px}
      .nav-actions .nav-link{font-size:12px;padding:6px 9px}
      .article-hero h1{font-size:30px;letter-spacing:0}.article-meta{gap:8px 14px}
      .article-content{padding:24px 17px;border-radius:8px}
      .article-content p{font-size:15px}.article-content table{font-size:13px}
      .table-wrap{overflow:auto}
      .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin:5px 0}
    }

/* roulang page: category1 */
:root{
      --ink:#17211b;--muted:#6b766f;--paper:#f6f7f3;--white:#fff;
      --line:#dfe5df;--green:#b9ed3e;--green-deep:#79b51e;--dark:#101914;
      --dark-2:#19251e;--orange:#ed9b43;--soft-green:#eaf5d6;
      --radius:14px;--shadow:0 12px 30px rgba(22,35,26,.08);--max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7}
    a{color:inherit;text-decoration:none}
    a:focus,button:focus{outline:3px solid rgba(185,237,62,.55);outline-offset:3px}
    button{font:inherit;border:0;cursor:pointer}
    img,svg{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:var(--dark);color:#eef4eb;border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;min-width:245px;font-weight:800}
    .logo-mark{width:34px;height:34px;border-radius:9px;background:var(--green);display:grid;place-items:center;color:var(--dark);font-size:17px;font-weight:900}
    .logo-text{font-size:17px;line-height:1.2}
    .logo-text small{display:block;color:#9eaaa1;font-size:10px;font-weight:500;letter-spacing:1px;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:3px;flex:1}
    .main-nav a{padding:25px 12px 22px;color:#bac5bd;position:relative;transition:.2s;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:#fff}
    .main-nav a.active:after{content:"";position:absolute;height:3px;left:12px;right:12px;bottom:0;border-radius:3px;background:var(--green)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-link{padding:8px 14px;border:1px solid #3e4d43;border-radius:7px;color:#d9e5d8;font-size:13px}
    .nav-link:hover{border-color:var(--green);color:var(--green)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
    .page-hero{padding:58px 0 54px;background:var(--dark);color:#fff;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;right:-120px;top:-100px;width:520px;height:420px;border:1px solid rgba(185,237,62,.18);transform:rotate(18deg);box-shadow:0 0 0 26px rgba(185,237,62,.035),0 0 0 52px rgba(185,237,62,.025)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;position:relative;z-index:1}
    .breadcrumb{font-size:12px;color:#a9b7ab;margin-bottom:20px}
    .breadcrumb a{color:var(--green)}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.2px}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--orange)}
    h1{font-size:clamp(32px,4vw,49px);line-height:1.18;letter-spacing:-1px;margin:15px 0 20px;font-weight:800}
    h2{font-size:32px;line-height:1.25;margin:10px 0 14px;letter-spacing:-.6px}
    h3{font-size:20px;line-height:1.35;margin:0 0 9px}
    .hero-copy p{max-width:625px;color:#c0cbc2;font-size:17px;margin:0 0 25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 19px;border-radius:7px;font-weight:700;transition:.2s}
    .btn-primary{background:var(--green);color:#15200f}
    .btn-primary:hover{background:#a8dc32;transform:translateY(-2px)}
    .btn-outline{border:1px solid #718078;color:#fff;background:transparent}
    .btn-outline:hover{border-color:var(--green);color:var(--green)}
    .pitch-card{background:#17271e;border:1px solid #3b5141;padding:18px;border-radius:8px;box-shadow:0 18px 35px rgba(0,0,0,.16)}
    .pitch-top{display:flex;justify-content:space-between;align-items:center;color:#dce8dc;font-size:13px;margin-bottom:15px}
    .live-dot{display:inline-flex;align-items:center;gap:6px;color:#f1b17b;font-size:11px}
    .live-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
    .pitch{height:230px;border:1px solid rgba(220,244,210,.62);position:relative;background:#295b3c;overflow:hidden}
    .pitch:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 45px,transparent 45px 90px)}
    .pitch-line{position:absolute;border:1px solid rgba(236,248,231,.7)}
    .center-circle{width:64px;height:64px;border-radius:50%;left:calc(50% - 32px);top:calc(50% - 32px)}
    .mid-line{height:100%;left:50%;top:0;border-left:1px solid rgba(236,248,231,.7)}
    .box-left,.box-right{width:58px;height:112px;top:58px}
    .box-left{left:0;border-left:0}.box-right{right:0;border-right:0}
    .pitch-label{position:absolute;left:16px;bottom:13px;color:#eaf5d6;font-size:12px}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section-intro{color:var(--muted);max-width:560px;margin:0}
    .text-link{color:#5d8d17;font-weight:700;white-space:nowrap}
    .text-link:hover{text-decoration:underline}
    .info-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}
    .info-item{padding:22px 24px;border-right:1px solid var(--line)}
    .info-item:last-child{border-right:0}
    .info-item strong{display:block;color:var(--green-deep);font-size:25px;line-height:1.2}
    .info-item span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .timeline-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:54px;align-items:start}
    .timeline{border-left:2px solid #cbdac6;padding-left:26px}
    .timeline-item{position:relative;padding:0 0 27px}
    .timeline-item:before{content:"";position:absolute;left:-34px;top:7px;width:13px;height:13px;background:var(--orange);border:3px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px var(--orange)}
    .timeline-date{font-size:12px;font-weight:800;color:var(--green-deep);margin-bottom:4px}
    .timeline-item p{font-size:14px;color:var(--muted);margin:0}
    .match-list{background:var(--dark);color:#fff;border-radius:8px;padding:9px 22px}
    .match-row{display:grid;grid-template-columns:86px 1fr 100px 70px;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid #334239}
    .match-row:last-child{border-bottom:0}
    .match-row time{font-family:monospace;color:var(--green);font-size:14px}
    .match-row small{display:block;color:#9eaca1;font-size:11px}
    .match-row strong{font-size:14px}
    .status{font-size:11px;color:#f0b884;text-align:right}
    .status.done{color:#9eaaa1}
    .reading-section{background:#fff}
    .reading-grid{display:grid;grid-template-columns:280px 1fr;gap:58px}
    .side-index{border-left:3px solid var(--green);padding-left:18px;position:sticky;top:100px;height:max-content}
    .side-index strong{display:block;margin-bottom:12px}
    .side-index a{display:block;padding:7px 0;color:var(--muted);font-size:14px}
    .side-index a:hover{color:var(--green-deep)}
    .content-block{padding-bottom:30px;margin-bottom:30px;border-bottom:1px solid var(--line)}
    .content-block:last-child{border-bottom:0}
    .content-block p{color:var(--muted);margin:8px 0}
    .check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 24px;margin:18px 0 0;padding:0;list-style:none}
    .check-list li{padding:13px 15px;background:var(--soft-green);border-left:3px solid var(--green-deep);font-size:14px}
    .check-list li:before{content:"✓";font-weight:800;color:var(--green-deep);margin-right:8px}
    .notice{padding:17px 20px;background:var(--soft-green);border:1px solid #cfe0c7;border-radius:6px;color:#315331;font-size:14px}
    .app-cta{background:var(--dark);color:#fff;padding:52px 0}
    .cta-grid{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .app-cta h2{color:#fff;margin-top:0}
    .app-cta p{color:#afbbb1;margin:0;max-width:660px}
    .faq-section{background:var(--paper)}
    .faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;padding:19px 4px;color:var(--ink);font-weight:700}
    .faq-question span:last-child{font-size:23px;color:var(--green-deep);transition:.2s}
    .faq-answer{display:none;padding:0 35px 19px 4px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);color:var(--orange)}
    .related{padding:65px 0}
    .related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .related-link{background:#fff;border:1px solid var(--line);padding:18px 20px;border-radius:7px;transition:.2s}
    .related-link:hover{border-color:var(--green-deep);transform:translateY(-2px);box-shadow:var(--shadow)}
    .related-link small{display:block;color:var(--green-deep);font-size:12px;margin-bottom:5px}
    .related-link strong{font-size:15px}
    .site-footer{background:var(--dark);color:#d7e1d8;padding:52px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-title{font-weight:800;color:#fff;margin-bottom:14px}
    .site-footer p{color:#9eaca1;font-size:13px;margin:4px 0}
    .site-footer a{display:block;color:#aab8ad;font-size:13px;padding:3px 0}
    .site-footer a:hover{color:var(--green)}
    .copyright{display:flex;justify-content:space-between;border-top:1px solid #304037;margin-top:40px;padding-top:18px;color:#7f8d83;font-size:12px}
    .back-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border-radius:7px;background:var(--orange);color:#fff;display:none;z-index:15;font-size:20px}
    .back-top.show{display:block}
    @media(max-width:1100px){.main-nav a{padding-left:8px;padding-right:8px;font-size:13px}.logo{min-width:215px}.hero-grid{gap:35px}}
    @media(max-width:900px){.navbar{gap:15px}.main-nav{display:none;position:absolute;left:0;right:0;top:76px;background:var(--dark);padding:10px 24px 18px;flex-direction:column;align-items:stretch;border-top:1px solid #304037}.main-nav.open{display:flex}.main-nav a{padding:12px;border-bottom:1px solid #29372e}.main-nav a.active:after{left:0;right:auto;bottom:9px;width:3px;height:22px}.menu-toggle{display:block}.nav-actions{margin-left:auto}.hero-grid,.timeline-wrap{grid-template-columns:1fr}.pitch-card{max-width:620px}.reading-grid{grid-template-columns:220px 1fr}}
    @media(max-width:700px){.container{width:min(var(--max),calc(100% - 32px))}.navbar{height:68px}.logo{min-width:0}.logo-text{font-size:14px}.logo-text small{display:none}.nav-link{font-size:12px;padding:7px 10px}.main-nav{top:68px}.page-hero{padding:40px 0}.page-hero:after{opacity:.35}.hero-copy p{font-size:15px}.section{padding:58px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:12px}.info-strip{grid-template-columns:repeat(2,1fr)}.info-item{border-bottom:1px solid var(--line)}.info-item:nth-child(2){border-right:0}.info-item:nth-child(3),.info-item:nth-child(4){border-bottom:0}.match-list{padding:5px 15px}.match-row{grid-template-columns:62px 1fr 56px;gap:10px}.match-row .league{display:none}.reading-grid{display:block}.side-index{position:static;margin-bottom:35px;display:flex;gap:13px;overflow:auto;white-space:nowrap;border-left:0;border-bottom:2px solid var(--green);padding:0 0 10px}.side-index strong{display:none}.side-index a{padding:4px 0}.check-list{grid-template-columns:1fr}.cta-grid{display:block}.cta-grid .btn{margin-top:20px}.related-links{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin:5px 0}}
    @media(max-width:460px){h1{font-size:32px}.hero-actions .btn{width:100%}.pitch{height:190px}.box-left,.box-right{top:47px;height:94px}.info-item{padding:18px 15px}.info-item strong{font-size:22px}.footer-grid{grid-template-columns:1fr}.copyright{font-size:11px}}

/* roulang page: category2 */
:root{
      --ink:#17211b;--muted:#6b766f;--paper:#f6f7f3;--white:#fff;
      --line:#dfe5df;--green:#b9ed3e;--green-deep:#79b51e;
      --dark:#101914;--dark-2:#19251e;--orange:#ed9b43;
      --soft-green:#eaf5d6;--deep:#0a1711;--pale:#dce9d6;
      --radius:14px;--shadow:0 12px 30px rgba(22,35,26,.08);--max:1220px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    img,svg{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{background:var(--dark);color:#eef4eb;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .navbar{height:76px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;min-width:245px;font-weight:800}
    .logo-mark{width:34px;height:34px;border-radius:9px;background:var(--green);display:grid;place-items:center;color:var(--dark);font-size:17px;font-weight:900}
    .logo-text{font-size:17px;line-height:1.2}
    .logo-text small{display:block;color:#9eaaa1;font-size:10px;font-weight:500;letter-spacing:1px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:2px;flex:1}
    .nav-links a{padding:25px 11px 22px;color:#bac5bd;position:relative;transition:.2s;white-space:nowrap}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:#fff}
    .nav-links a.active:after{content:"";height:3px;background:var(--green);position:absolute;left:11px;right:11px;bottom:0;border-radius:3px}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-link{color:#d9e5d8;border:1px solid #3e4d43;padding:8px 14px;border-radius:7px;font-size:13px}
    .nav-link:hover{border-color:var(--green);color:var(--green)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:7px;padding:12px 19px;font-weight:700;transition:.2s;min-height:46px}
    .btn-primary{background:var(--green);color:#15200f}
    .btn-primary:hover,.btn-primary:focus{background:#a8dc32;transform:translateY(-2px);box-shadow:0 7px 15px rgba(121,181,30,.18)}
    .btn-dark{background:var(--dark);color:#fff}
    .btn-dark:hover,.btn-dark:focus{background:#2b3d31;transform:translateY(-2px)}
    .btn-outline{border:1px solid #bfcabe;color:var(--ink);background:transparent}
    .btn-outline:hover,.btn-outline:focus{border-color:var(--green-deep);background:var(--soft-green)}
    .btn:focus,.nav-link:focus,a:focus,button:focus{outline:3px solid rgba(185,237,62,.45);outline-offset:2px}
    .sub-hero{background:var(--dark);color:#fff;padding:45px 0 48px;position:relative;overflow:hidden}
    .sub-hero:after{content:"";position:absolute;right:8%;top:-80px;width:310px;height:310px;border:2px solid rgba(185,237,62,.16);border-radius:50%;box-shadow:0 0 0 22px rgba(185,237,62,.05),0 0 0 44px rgba(185,237,62,.035)}
    .crumbs{color:#aab6ac;font-size:13px;margin-bottom:22px;position:relative;z-index:1}
    .crumbs a:hover{color:var(--green)}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--green-deep);font-size:12px;font-weight:800;letter-spacing:1.5px}
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--orange)}
    .sub-hero .eyebrow{color:var(--green)}
    h1{font-size:clamp(31px,4vw,48px);line-height:1.2;letter-spacing:-1px;margin:12px 0 14px;max-width:760px;position:relative;z-index:1}
    .sub-hero p{color:#bcc8be;max-width:680px;font-size:16px;margin:0;position:relative;z-index:1}
    .page-layout{display:grid;grid-template-columns:220px 1fr;gap:58px;padding:76px 0}
    .side-index{position:sticky;top:105px;height:max-content}
    .side-index strong{font-size:14px;display:block;margin-bottom:12px}
    .side-index a{display:block;border-left:2px solid var(--line);padding:9px 0 9px 15px;color:var(--muted);font-size:13px;transition:.2s}
    .side-index a:hover,.side-index a.active{color:var(--green-deep);border-color:var(--orange);padding-left:19px}
    .content-column{min-width:0}
    .intro-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:35px;align-items:stretch;margin-bottom:58px}
    .intro-copy h2,.section h2{font-size:clamp(26px,3vw,34px);line-height:1.25;margin:10px 0 15px}
    .intro-copy p{color:var(--muted);font-size:16px}
    .court-art{min-height:240px;background:var(--dark);border-radius:10px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
    .court-art:before{content:"";width:76%;height:160px;border:2px solid rgba(185,237,62,.72);border-radius:50%;position:absolute;left:-22%;top:40px}
    .court-art:after{content:"";position:absolute;inset:25px;border:1px solid rgba(255,255,255,.15);border-radius:4px}
    .court-label{position:relative;z-index:1;color:#fff;text-align:center}
    .court-label b{display:block;color:var(--green);font-size:42px;line-height:1}
    .court-label span{font-size:12px;color:#bdc9be;letter-spacing:2px}
    .info-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:9px;margin-bottom:70px}
    .info-cell{padding:20px 22px;border-right:1px solid var(--line)}
    .info-cell:last-child{border-right:0}
    .info-cell b{display:block;font-size:24px;color:var(--green-deep);line-height:1.2}
    .info-cell span{font-size:12px;color:var(--muted)}
    .section{margin-bottom:72px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}
    .section-intro{color:var(--muted);max-width:510px;margin:0}
    .quarter-list{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
    .quarter{background:#fff;border:1px solid var(--line);padding:22px 18px;min-height:145px;transition:.2s}
    .quarter:hover{border-color:var(--green-deep);transform:translateY(-2px);box-shadow:var(--shadow)}
    .quarter em{font-style:normal;color:var(--orange);font-size:12px;font-weight:800}
    .quarter h3{font-size:18px;margin:12px 0 7px}
    .quarter p{font-size:13px;color:var(--muted);margin:0}
    .timeline{border-top:1px solid var(--line)}
    .timeline-row{display:grid;grid-template-columns:115px 1fr 120px;gap:20px;align-items:center;padding:18px 12px;border-bottom:1px solid var(--line);background:#fff}
    .timeline-row:hover{background:var(--soft-green)}
    .time{font-family:ui-monospace,SFMono-Regular,monospace;font-weight:700;color:var(--green-deep)}
    .match-title{font-weight:700}
    .match-title small{display:block;color:var(--muted);font-weight:400;font-size:12px}
    .status{justify-self:end;color:#638c27;font-size:12px}
    .status:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--orange);margin-right:6px}
    .reading-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .reading-card{background:#fff;border:1px solid var(--line);padding:25px;border-radius:8px}
    .reading-card .num{color:var(--orange);font-size:13px;font-weight:800}
    .reading-card h3{font-size:20px;margin:9px 0}
    .reading-card p{color:var(--muted);font-size:14px;margin:0}
    .note{background:var(--soft-green);border-left:4px solid var(--green-deep);padding:17px 20px;color:#31522c;font-size:14px;margin-top:22px}
    .faq-list{max-width:820px;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line);background:#fff}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:transparent;padding:18px 20px;font-weight:700;color:var(--ink)}
    .faq-question span{color:var(--orange);font-size:22px;transition:.2s}
    .faq-answer{display:none;padding:0 20px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .related{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .related a{border:1px solid var(--line);background:#fff;padding:12px 16px;border-radius:6px;font-weight:700;font-size:13px}
    .related a:hover{border-color:var(--orange);color:var(--green-deep)}
    .cta{background:var(--dark);color:#fff;padding:39px 42px;border-radius:9px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{margin:0 0 7px;font-size:27px}
    .cta p{margin:0;color:#b6c1b8;font-size:14px}
    .site-footer{background:var(--dark);color:#d9e5da;padding:52px 0 18px;border-top:1px solid rgba(255,255,255,.08)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer-title{font-weight:800;color:#fff;margin-bottom:14px}
    .footer-grid p{color:#9eaaa1;font-size:13px;margin:5px 0}
    .footer-grid a{display:block;color:#aebbb0;font-size:13px;padding:4px 0}
    .footer-grid a:hover{color:var(--green)}
    .copyright{border-top:1px solid #2d3a31;margin-top:35px;padding-top:16px;display:flex;justify-content:space-between;color:#7f8d82;font-size:12px}
    .top-btn{position:fixed;right:24px;bottom:24px;background:var(--orange);color:#fff;width:42px;height:42px;border-radius:6px;display:none;z-index:10;font-size:20px}
    @media(max-width:1050px){.logo{min-width:205px}.nav-links a{padding-left:7px;padding-right:7px;font-size:13px}.nav-links a.active:after{left:7px;right:7px}}
    @media(max-width:800px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{height:68px}.logo{min-width:auto;flex:1}.logo-text{font-size:15px}
      .nav-links{display:none;position:absolute;left:0;right:0;top:68px;background:var(--dark-2);padding:10px 16px 16px;flex-direction:column;align-items:stretch}
      .nav-links.show{display:flex}.nav-links a{padding:12px 10px;border-bottom:1px solid rgba(255,255,255,.08)}
      .nav-links a.active:after{left:0;right:auto;width:24px;bottom:0}.menu-toggle{display:block}
      .nav-actions .nav-link{display:none}.page-layout{grid-template-columns:1fr;gap:25px;padding:52px 0}
      .side-index{position:static;display:flex;overflow:auto;gap:8px;padding-bottom:5px}
      .side-index strong{display:none}.side-index a{white-space:nowrap;border:1px solid var(--line);padding:8px 12px;background:#fff}
      .side-index a:hover,.side-index a.active{padding-left:12px}
      .intro-panel{grid-template-columns:1fr}.info-strip{grid-template-columns:repeat(2,1fr)}
      .info-cell:nth-child(2){border-right:0}.info-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .quarter-list{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}
      .cta{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      h1{font-size:31px}.sub-hero{padding:35px 0 39px}.section{margin-bottom:52px}
      .info-strip,.quarter-list,.reading-grid{grid-template-columns:1fr}
      .info-cell{border-right:0!important;border-bottom:1px solid var(--line)}.info-cell:last-child{border-bottom:0}
      .timeline-row{grid-template-columns:75px 1fr;gap:10px}.status{grid-column:2;justify-self:start}
      .footer-grid{grid-template-columns:1fr 1fr;gap:26px 18px}.copyright{display:block;line-height:2}
      .cta{padding:28px 23px}.cta h2{font-size:23px}
    }

/* roulang page: category3 */
:root{
  --ink:#17211b;--muted:#6b766f;--paper:#f6f7f3;--white:#fff;--line:#dfe5df;
  --green:#b9ed3e;--green-deep:#79b51e;--dark:#101914;--dark-2:#19251e;
  --orange:#ed9b43;--soft-green:#eaf5d6;--radius:14px;--shadow:0 12px 30px rgba(22,35,26,.08);--max:1220px;
}
:root{
  --green:#123b2a;--deep:#0a1711;--paper:#f5f3ed;--card:#fff;--line:#d9ded7;
  --muted:#657066;--orange:#e96824;--pale:#dce9d6;--shadow:0 8px 24px rgba(18,59,42,.08);--radius:7px;--max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.site-header{background:var(--dark);color:#eef4eb;position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.09)}
.navbar{height:76px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:10px;min-width:252px;font-weight:800}
.logo-mark{width:34px;height:34px;border-radius:8px;background:var(--green);display:grid;place-items:center;color:#112019;font-size:18px;font-weight:900}
.logo-text{font-size:16px;line-height:1.2}
.logo-text small{display:block;color:#9eaaa1;font-size:10px;font-weight:500;letter-spacing:1px;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{padding:25px 12px 22px;color:#bac5bd;position:relative;white-space:nowrap;transition:color .2s}
.nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:#fff}
.nav-links a.active:after{content:"";height:3px;background:var(--green);position:absolute;left:12px;right:12px;bottom:0;border-radius:3px}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-download{background:var(--orange);color:#fff;padding:10px 15px;border-radius:6px;font-size:13px;font-weight:800;transition:.2s}
.nav-download:hover{background:#cc571a;color:#fff;transform:translateY(-1px)}
.menu-toggle{display:none;background:transparent;color:#fff;font-size:24px;padding:4px}
a:focus,button:focus{outline:2px solid var(--orange);outline-offset:3px}
.breadcrumbs{padding:19px 0 0;font-size:13px;color:var(--muted)}
.breadcrumbs a:hover{color:var(--green-deep)}
.breadcrumbs span{margin:0 9px;color:#a6afa8}
.category-hero{background:var(--deep);color:#fff;position:relative;overflow:hidden;padding:57px 0 67px}
.category-hero:before{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(185,237,62,.23);border-radius:50%;right:8%;top:-204px;box-shadow:0 0 0 54px rgba(185,237,62,.035),0 0 0 110px rgba(185,237,62,.025)}
.category-hero:after{content:"";position:absolute;width:72%;height:1px;background:rgba(255,255,255,.13);right:-12%;bottom:42px;transform:rotate(-9deg)}
.hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:end}
.category-tag,.mini-tag{display:inline-flex;align-items:center;gap:7px;background:rgba(185,237,62,.14);border:1px solid rgba(185,237,62,.32);color:#cdec84;padding:5px 10px;border-radius:4px;font-weight:700;font-size:12px}
.category-tag:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
h1,h2,h3,p{margin-top:0}
h1{font-size:48px;line-height:1.18;letter-spacing:-1px;max-width:720px;margin:16px 0}
.hero-copy p{color:#c1cbc2;font-size:17px;max-width:675px;margin-bottom:0}
.tennis-art{height:210px;position:relative;border:1px solid rgba(255,255,255,.15);background:#152a20;overflow:hidden}
.tennis-art .court{position:absolute;inset:22px 28px;border:2px solid rgba(255,255,255,.68)}
.tennis-art .court:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:rgba(255,255,255,.68)}
.tennis-art .court:after{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:rgba(255,255,255,.68)}
.net{position:absolute;left:50%;top:22px;bottom:22px;width:8px;transform:translateX(-50%);background:repeating-linear-gradient(0deg,rgba(255,255,255,.86) 0 3px,transparent 3px 7px)}
.ball{position:absolute;width:54px;height:54px;border-radius:50%;right:12%;bottom:28px;background:#b9ed3e;border:2px solid #d8ff79;box-shadow:inset 9px 0 0 rgba(18,59,42,.18)}
.ball:before,.ball:after{content:"";position:absolute;width:35px;height:19px;border:2px solid #275033;border-left:0;border-bottom:0;border-radius:0 26px 0 0}
.ball:before{top:3px;left:-1px;transform:rotate(21deg)}
.ball:after{bottom:3px;right:-1px;transform:rotate(201deg)}
.section{padding:82px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
.section-kicker{display:flex;align-items:center;gap:8px;color:#5e8d18;font-size:12px;font-weight:800;letter-spacing:1.4px}
.section-kicker:before{content:"";width:22px;height:2px;background:var(--green-deep)}
h2{font-size:32px;line-height:1.25;letter-spacing:-.6px;margin:9px 0 0}
.section-intro{max-width:470px;color:var(--muted);margin:0}
.content-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:54px;align-items:start}
.chapter-index{position:sticky;top:101px;background:#fff;border:1px solid var(--line);padding:16px}
.chapter-index strong{display:block;font-size:13px;padding:0 10px 10px}
.chapter-index a{display:block;padding:10px;border-left:2px solid transparent;color:var(--muted);font-size:14px;transition:.2s}
.chapter-index a:hover{color:var(--green-deep);background:var(--soft-green);border-left-color:var(--orange)}
.reading-section{padding-bottom:47px;margin-bottom:45px;border-bottom:1px solid var(--line)}
.reading-section:last-child{border-bottom:0;margin-bottom:0}
.reading-section h2{font-size:27px;margin-bottom:14px}
.reading-section p{color:#48534b;max-width:790px}
.info-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;margin:26px 0 31px}
.info-item{padding:18px 19px;border-right:1px solid var(--line)}
.info-item:last-child{border:0}
.info-item span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
.info-item b{font-size:15px;color:var(--green)}
.progress-line{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin:25px 0;background:#fff;border:1px solid var(--line)}
.progress-step{min-height:116px;padding:18px 14px;border-right:1px solid var(--line);position:relative}
.progress-step:last-child{border-right:0}
.progress-step em{font-style:normal;color:var(--orange);font-weight:800;font-size:12px}
.progress-step b{display:block;font-size:15px;margin:8px 0 3px}
.progress-step small{color:var(--muted);font-size:12px;line-height:1.5;display:block}
.court-types{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:25px}
.court-card{background:var(--card);border:1px solid var(--line);padding:22px;display:flex;gap:16px;transition:.2s}
.court-card:hover{border-color:var(--green-deep);transform:translateY(-2px);box-shadow:var(--shadow)}
.court-icon{width:42px;height:42px;flex:0 0 42px;border-radius:5px;background:var(--pale);color:var(--green);display:grid;place-items:center;font-weight:900}
.court-card h3{font-size:17px;margin:0 0 5px}
.court-card p{font-size:13px;margin:0;color:var(--muted)}
.notice{display:flex;gap:15px;align-items:flex-start;background:var(--pale);border-left:4px solid var(--green);padding:18px 20px;margin-top:26px;color:#294434}
.notice b{white-space:nowrap}
.schedule-panel{background:var(--dark);padding:31px;color:#fff}
.schedule-panel h2{font-size:28px;margin-top:9px}
.schedule-panel .section-kicker{color:#b9ed3e}
.schedule-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#344139;border:1px solid #344139;margin-top:25px}
.schedule-item{background:#17241d;padding:18px}
.schedule-item time{font-size:12px;color:#adc0af}
.schedule-item b{display:block;margin:7px 0 4px;font-size:16px}
.schedule-item span{font-size:13px;color:#bfc9c0}
.status{color:#caef77!important;font-weight:700}
.related-links{display:flex;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.related-links a{flex:1;min-width:210px;padding:18px 15px;border-right:1px solid var(--line);font-weight:700;transition:.2s}
.related-links a:last-child{border-right:0}
.related-links a:hover{color:var(--green-deep);background:var(--soft-green)}
.related-links i{font-style:normal;float:right;color:var(--orange)}
.download-cta{background:#123b2a;color:#fff;padding:38px 40px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.download-cta h2{font-size:28px;margin:0 0 7px}
.download-cta p{color:#c4d1c7;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:6px;font-weight:800;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#ca571b;transform:translateY(-2px);color:#fff}
.faq-wrap{max-width:820px;margin:auto}
.faq-item{border-top:1px solid var(--line);background:#fff}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-question{width:100%;text-align:left;background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 18px 18px 20px;font-weight:800;min-height:62px}
.faq-question:before{content:"";width:3px;height:24px;background:var(--orange);position:absolute}
.faq-question span{padding-left:13px}
.faq-question b{font-size:20px;color:var(--green-deep);transition:.2s}
.faq-answer{display:none;padding:0 48px 20px 36px;color:var(--muted)}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question b{transform:rotate(45deg)}
.site-footer{background:var(--dark);color:#c5d0c6;padding:54px 0 0;border-top:4px solid #263a2c}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer-title{font-size:15px;color:#fff;font-weight:800;margin-bottom:14px}
.site-footer p{font-size:13px;line-height:1.7;margin:0 0 8px;color:#9eaca1}
.site-footer a{display:block;font-size:13px;margin:8px 0;color:#bfcbbf;transition:.2s}
.site-footer a:hover{color:var(--green)}
.copyright{border-top:1px solid rgba(255,255,255,.11);margin-top:34px;padding:17px 0;display:flex;justify-content:space-between;color:#87948b;font-size:12px}
.back-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border-radius:7px;background:var(--orange);color:#fff;display:none;place-items:center;z-index:20;box-shadow:var(--shadow);font-size:20px}
.back-top.show{display:grid}
@media(max-width:1050px){
  .navbar{gap:15px}.logo{min-width:210px}.nav-links a{padding-left:8px;padding-right:8px;font-size:13px}
  .hero-layout{gap:30px}.content-layout{gap:32px}
}
@media(max-width:800px){
  .container{width:min(var(--max),calc(100% - 32px))}
  .navbar{height:65px;justify-content:space-between}.logo{min-width:auto}.logo-text{font-size:14px}
  .nav-links{display:none;position:absolute;top:65px;left:0;right:0;background:var(--dark);padding:10px 16px 18px;border-top:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}.nav-links a{padding:12px 8px}.nav-links a.active:after{left:8px;right:auto;bottom:4px;width:25px}
  .menu-toggle{display:block}.nav-download{font-size:12px;padding:8px 10px}.nav-actions{margin-left:auto}
  .category-hero{padding:42px 0 48px}.hero-layout{grid-template-columns:1fr}.tennis-art{height:165px;max-width:520px}
  h1{font-size:35px}.section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:14px}
  .content-layout{grid-template-columns:1fr}.chapter-index{position:static;display:flex;overflow:auto;padding:8px;gap:2px;white-space:nowrap}.chapter-index strong{display:none}.chapter-index a{border-left:0;border-bottom:2px solid transparent;padding:8px 11px}
  .info-strip{grid-template-columns:1fr 1fr}.info-item:nth-child(2){border-right:0}.info-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .progress-line{overflow:auto;display:flex}.progress-step{min-width:145px}
  .schedule-grid{grid-template-columns:1fr}.court-types{grid-template-columns:1fr}.download-cta{display:block;padding:30px}.download-cta .btn{margin-top:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin:4px 0}
}
@media(max-width:520px){
  body{font-size:14px}.logo-mark{width:30px;height:30px}.logo-text small{display:none}.category-hero{padding-top:34px}
  h1{font-size:31px}.hero-copy p{font-size:15px}.section{padding:48px 0}h2{font-size:27px}.reading-section h2{font-size:23px}
  .info-strip{grid-template-columns:1fr}.info-item{border-right:0;border-bottom:1px solid var(--line)}.info-item:last-child{border-bottom:0}
  .notice{display:block}.notice b{display:block;margin-bottom:6px}.schedule-panel{padding:24px 18px}.related-links a{border-right:0;border-bottom:1px solid var(--line)}.related-links a:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}.faq-answer{padding:0 20px 19px}.back-top{right:16px;bottom:16px}
}

/* roulang page: category4 */
:root{
      --ink:#17211b;--muted:#6b766f;--paper:#f6f7f3;--white:#fff;--line:#dfe5df;
      --green:#123b2a;--green-deep:#79b51e;--dark:#101914;--dark-2:#19251e;
      --orange:#e96824;--soft-green:#eaf5d6;--pale:#dce9d6;--card:#fff;
      --radius:7px;--shadow:0 8px 24px rgba(18,59,42,.08);--max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:15px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:100;background:var(--dark);color:#eef4eb;border-bottom:1px solid rgba(255,255,255,.1)}
    .navbar{height:76px;display:flex;align-items:center;gap:26px}
    .logo{display:flex;align-items:center;gap:10px;min-width:242px;color:#fff;font-weight:800}
    .logo-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--green-deep);border-radius:8px;color:var(--dark);font-weight:900;font-size:18px}
    .logo-text{font-size:16px;line-height:1.2}
    .logo-text small{display:block;color:#a9b5aa;font-size:10px;font-weight:500;letter-spacing:1px;margin-top:2px}
    .main-nav{flex:1}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:2px}
    .nav-links a{position:relative;padding:26px 12px 22px;color:#bdc9bf;font-size:14px;transition:color .2s ease}
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:#fff}
    .nav-links a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;background:var(--green-deep);border-radius:2px}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-link{border:1px solid #3e4d43;border-radius:6px;padding:8px 13px;font-size:12px;color:#dce7dc;transition:.2s}
    .nav-link:hover{border-color:var(--green-deep);color:#d9f2ac}
    .menu-toggle{display:none;border:0;background:transparent;color:#fff;font-size:25px;padding:5px}
    :focus-visible{outline:2px solid var(--orange);outline-offset:3px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 18px;border-radius:6px;border:1px solid transparent;font-weight:700;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#cf571a;color:#fff;box-shadow:0 8px 18px rgba(233,104,36,.2)}
    .btn-outline{border-color:#b8c5bb;background:transparent;color:var(--green)}
    .btn-outline:hover{background:var(--soft-green);border-color:var(--green)}
    .page-hero{background:var(--deep,#0a1711);color:#fff;position:relative;overflow:hidden;min-height:352px;padding:70px 0 65px}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,23,17,.96) 12%,rgba(10,23,17,.77) 55%,rgba(10,23,17,.72)),url('https://images.unsplash.com/photo-1598550476439-6847785fcea6?auto=format&fit=crop&w=1800&q=85') center/cover}
    .page-hero .container{position:relative}
    .breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;color:#b8c5bb;font-size:13px;margin-bottom:27px}
    .breadcrumb a:hover{color:#d8f0ad}
    .breadcrumb span:last-child{color:#fff}
    .crumb-sep{color:#6f8175}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#c5ea87;font-size:12px;font-weight:800;letter-spacing:1.3px}
    .eyebrow:before{content:"";width:23px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{max-width:760px;margin:13px 0 16px;font-size:48px;line-height:1.18;letter-spacing:-.7px}
    .hero-lead{max-width:685px;margin-bottom:0;color:#d0dad1;font-size:17px}
    .hero-bottom{display:flex;align-items:center;gap:18px;margin-top:28px}
    .hero-note{font-size:12px;color:#b2c0b4}
    .section{padding:82px 0}
    .section-white{background:#fff}
    .section-dark{background:var(--dark);color:#fff}
    .section-kicker{display:inline-flex;align-items:center;gap:8px;color:#618e19;font-size:12px;font-weight:800;letter-spacing:1.2px}
    .section-kicker:before{content:"";width:21px;height:2px;background:var(--orange)}
    .section-head{max-width:770px;margin-bottom:30px}
    h2{font-size:32px;line-height:1.25;letter-spacing:-.4px;margin:10px 0 12px}
    h3{font-size:19px;line-height:1.4}
    .section-head p,.content-copy p{color:var(--muted)}
    .read-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:54px;align-items:start}
    .chapter-nav{position:sticky;top:102px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:13px}
    .chapter-nav strong{display:block;padding:5px 10px 10px;font-size:13px}
    .chapter-nav a{display:block;border-left:3px solid transparent;padding:10px;color:#506056;font-size:14px;transition:.2s}
    .chapter-nav a:hover{background:var(--soft-green);border-left-color:var(--orange);color:var(--green)}
    .content-block{padding-bottom:40px;margin-bottom:40px;border-bottom:1px solid var(--line)}
    .content-block:last-child{margin-bottom:0;border-bottom:0;padding-bottom:0}
    .content-block h2{font-size:28px}
    .content-copy{max-width:790px}
    .content-copy p{margin-bottom:16px}
    .bracket{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow);margin-top:25px}
    .bracket-top{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;background:#f2f5ef;border-bottom:1px solid var(--line)}
    .bracket-top strong{font-size:14px}
    .bracket-top span{color:var(--muted);font-size:12px}
    .bracket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
    .bracket-stage{padding:18px;border-right:1px solid var(--line)}
    .bracket-stage:last-child{border-right:0}
    .stage-title{display:block;margin-bottom:13px;color:#6e7b70;font-size:11px;font-weight:800;letter-spacing:.8px}
    .match-box{position:relative;margin-bottom:10px;padding:10px 11px;border:1px solid var(--line);border-left:3px solid var(--green-deep);background:#fff;font-size:12px}
    .match-box span{display:block;color:#637067;font-size:11px;margin-top:2px}
    .match-box.final{border-left-color:var(--orange);background:#fff8f4}
    .info-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #334239;border-bottom:1px solid #334239}
    .strip-item{padding:22px 20px;border-right:1px solid #334239}
    .strip-item:last-child{border-right:0}
    .strip-number{display:block;color:var(--orange);font-size:23px;font-weight:800;line-height:1.1;margin-bottom:7px}
    .strip-item p{margin:0;color:#c1ccc3;font-size:13px}
    .visual-story{display:grid;grid-template-columns:.95fr 1.05fr;gap:45px;align-items:center}
    .story-image{min-height:345px;border-radius:var(--radius);overflow:hidden;background:url('https://images.unsplash.com/photo-1542751371-adc38448a05e?auto=format&fit=crop&w=1100&q=85') center/cover;box-shadow:var(--shadow)}
    .story-image:after{content:"";display:block;min-height:345px;background:rgba(10,23,17,.19)}
    .story-copy h2{margin-top:8px}
    .check-list{list-style:none;padding:0;margin:24px 0 0}
    .check-list li{position:relative;padding:13px 0 13px 29px;border-bottom:1px solid var(--line);color:#48564c}
    .check-list li:before{content:"✓";position:absolute;left:0;top:13px;color:var(--green-deep);font-weight:900}
    .notice{margin-top:24px;padding:17px 18px;border-left:4px solid var(--green-deep);background:var(--soft-green);color:#34513a;font-size:14px}
    .mobile-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .flow-step{position:relative;padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
    .flow-step:hover{transform:translateY(-2px);border-color:var(--green);box-shadow:var(--shadow)}
    .flow-no{display:block;width:32px;height:32px;margin-bottom:19px;display:grid;place-items:center;border-radius:50%;background:var(--green);color:#fff;font-size:13px;font-weight:800}
    .flow-step p{margin-bottom:0;color:var(--muted);font-size:14px}
    .related-links{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .related-links a{padding:20px 15px;border-right:1px solid var(--line);font-weight:700;color:var(--green);transition:.2s}
    .related-links a:last-child{border-right:0}
    .related-links a:hover{background:var(--soft-green);color:#254f35}
    .related-links span{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:3px}
    .faq-wrap{max-width:820px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line);background:#fff}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 17px;text-align:left;background:transparent;color:var(--ink);font-weight:700;border:0}
    .faq-question:before{content:"";width:3px;height:22px;background:var(--orange);flex:none}
    .faq-question span{flex:1}
    .faq-icon{font-size:22px;color:var(--green);font-weight:400;transition:.2s}
    .faq-answer{display:none;padding:0 48px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .download-cta{display:grid;grid-template-columns:1fr auto;align-items:center;gap:28px;padding:33px 38px;background:var(--green);border-radius:var(--radius);color:#fff}
    .download-cta h2{margin:0 0 7px;font-size:27px}
    .download-cta p{margin:0;color:#e3f0e4}
    .download-cta .btn{background:#fff;color:var(--green)}
    .download-cta .btn:hover{background:#f0f6eb}
    .site-footer{background:var(--dark);color:#d2ddd3;padding:56px 0 18px;position:relative}
    .site-footer:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:repeating-linear-gradient(90deg,var(--green-deep) 0 24px,transparent 24px 38px)}
    .footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:42px}
    .footer-title{color:#fff;font-size:15px;font-weight:800;margin-bottom:15px}
    .footer-grid p{color:#9fac9f;font-size:13px;max-width:265px;margin-bottom:8px}
    .footer-grid a{display:block;color:#b9c5ba;font-size:13px;padding:4px 0;transition:.2s}
    .footer-grid a:hover{color:#d7f2a0;padding-left:3px}
    .copyright{display:flex;justify-content:space-between;gap:20px;margin-top:40px;padding-top:18px;border-top:1px solid #334239;color:#91a093;font-size:12px}
    .to-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;display:none;place-items:center;background:var(--green);border:0;border-radius:7px;color:#fff;box-shadow:var(--shadow);z-index:50;font-size:20px}
    .to-top.show{display:grid}
    @media(max-width:1024px){
      .navbar{gap:15px}.logo{min-width:205px}.nav-links a{padding-left:8px;padding-right:8px;font-size:13px}
      .read-layout{gap:32px}.visual-story{gap:30px}.footer-grid{gap:25px}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{height:66px;justify-content:space-between}.logo{min-width:0}.logo-text{font-size:14px}
      .main-nav{display:none;position:absolute;left:0;right:0;top:66px;padding:10px 16px 18px;background:var(--dark-2);border-bottom:1px solid #3b4b40}
      .main-nav.open{display:block}.nav-links{display:flex;align-items:stretch;flex-direction:column}.nav-links a{padding:12px 6px}.nav-links a.active:after{left:6px;right:auto;top:9px;bottom:9px;width:3px;height:auto}
      .nav-actions .nav-link{display:none}.menu-toggle{display:block}.nav-actions{gap:4px}
      .page-hero{min-height:325px;padding:48px 0}.breadcrumb{margin-bottom:20px}h1{font-size:34px}.hero-lead{font-size:16px}.hero-bottom{align-items:flex-start;flex-direction:column;gap:10px}
      .section{padding:62px 0}h2{font-size:27px}.read-layout{grid-template-columns:1fr;gap:28px}.chapter-nav{position:static;display:flex;overflow:auto;padding:8px;white-space:nowrap}.chapter-nav strong{display:none}.chapter-nav a{border-left:0;border-bottom:3px solid transparent;padding:8px 10px}.chapter-nav a:hover{border-bottom-color:var(--orange)}
      .info-strip{grid-template-columns:repeat(2,1fr)}.strip-item:nth-child(2){border-right:0}.strip-item:nth-child(-n+2){border-bottom:1px solid #334239}
      .visual-story{grid-template-columns:1fr}.story-image,.story-image:after{min-height:265px}.mobile-flow{grid-template-columns:1fr}.related-links{grid-template-columns:1fr}.related-links a{border-right:0;border-bottom:1px solid var(--line)}.related-links a:last-child{border-bottom:0}
      .download-cta{grid-template-columns:1fr;padding:28px}.download-cta .btn{width:100%}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:31px}.copyright{flex-direction:column;gap:5px}.bracket-grid{min-width:650px}.bracket{overflow-x:auto}
    }
    @media(max-width:520px){
      .logo-mark{width:31px;height:31px}.logo-text small{display:none}.nav-actions .btn{padding:9px 10px;min-height:38px;font-size:12px}
      .page-hero{padding:40px 0}h1{font-size:30px}.section-head{margin-bottom:24px}.content-block h2{font-size:25px}.info-strip{grid-template-columns:1fr}.strip-item,.strip-item:nth-child(2){border-right:0;border-bottom:1px solid #334239}.strip-item:last-child{border-bottom:0}
      .faq-question{padding:17px 10px}.faq-answer{padding:0 20px 17px}.footer-grid{grid-template-columns:1fr}.to-top{right:15px;bottom:15px}
    }

/* roulang page: category5 */
:root{
      --ink:#17211b;
      --muted:#6b766f;
      --paper:#f6f7f3;
      --white:#fff;
      --line:#dfe5df;
      --green:#b9ed3e;
      --green-deep:#79b51e;
      --dark:#101914;
      --dark-2:#19251e;
      --orange:#ed9b43;
      --soft-green:#eaf5d6;
      --radius:14px;
      --shadow:0 12px 30px rgba(22,35,26,.08);
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.7;
      font-size:15px;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{font-weight:750}
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:var(--dark);color:#eef4eb;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .navbar{height:76px;display:flex;align-items:center;gap:34px}
    .logo{display:flex;align-items:center;gap:10px;min-width:245px;font-weight:800;letter-spacing:-.5px}
    .logo-mark{
      width:34px;height:34px;border-radius:9px;background:var(--green);
      display:grid;place-items:center;color:var(--dark);font-size:17px;font-weight:900;
    }
    .logo-text{font-size:17px;line-height:1.2}
    .logo-text small{display:block;color:#9eaaa1;font-size:10px;font-weight:500;letter-spacing:1px;margin-top:2px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{padding:25px 13px 22px;color:#bac5bd;position:relative;transition:.2s;white-space:nowrap}
    .main-nav a:hover,.main-nav a:focus,.main-nav a.active{color:#fff}
    .main-nav a.active:after{content:"";height:3px;background:var(--green);position:absolute;left:13px;right:13px;bottom:0;border-radius:3px}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-link{color:#d9e5d8;border:1px solid #3e4d43;padding:8px 14px;border-radius:7px;font-size:13px}
    .nav-link:hover{border-color:var(--green);color:var(--green)}
    .menu-toggle{display:none;background:none;color:#fff;font-size:25px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 19px;border-radius:7px;font-weight:700;
      transition:.2s;border:1px solid transparent
    }
    .btn-primary{background:var(--green);color:#15200f}
    .btn-primary:hover,.btn-primary:focus{background:#a8dc32;transform:translateY(-2px);box-shadow:0 7px 15px rgba(121,181,30,.18)}
    .btn-dark{background:var(--dark);color:#fff}
    .btn-dark:hover,.btn-dark:focus{background:#2b3d31;transform:translateY(-2px)}
    .btn-outline{border-color:#bfcabe;color:var(--ink);background:transparent}
    .btn-outline:hover,.btn-outline:focus{border-color:var(--green-deep);background:var(--soft-green)}
    .btn:focus,.nav-link:focus,a:focus,button:focus{outline:3px solid rgba(185,237,62,.45);outline-offset:2px}
    .page-hero{
      color:#fff;background:var(--dark);padding:64px 0 58px;
      position:relative;overflow:hidden
    }
    .page-hero:after{
      content:"";position:absolute;right:-100px;top:-160px;width:560px;height:560px;
      border:1px solid rgba(185,237,62,.18);border-radius:50%;
      box-shadow:0 0 0 38px rgba(185,237,62,.035),0 0 0 78px rgba(185,237,62,.025);
    }
    .crumbs{font-size:12px;color:#a8b5aa;margin-bottom:28px;position:relative;z-index:1}
    .crumbs a{color:var(--green)}
    .hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:1fr 390px;gap:70px;align-items:center}
    .eyebrow,.section-kicker{
      display:inline-flex;align-items:center;gap:8px;color:var(--green);
      font-size:12px;font-weight:800;letter-spacing:1.5px
    }
    .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--green-deep)}
    .page-hero h1{font-size:clamp(32px,4vw,49px);line-height:1.18;margin:16px 0 18px;max-width:720px}
    .page-hero p{color:#bac7bc;font-size:17px;max-width:650px;margin-bottom:27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-actions .btn-outline{border-color:#596b5d;color:#fff}
    .download-panel{
      background:#fff;color:var(--ink);border-radius:12px;padding:25px;
      box-shadow:0 18px 38px rgba(0,0,0,.2)
    }
    .download-panel h2{font-size:20px;margin-bottom:7px}
    .download-panel p{color:var(--muted);font-size:13px;margin-bottom:18px}
    .download-line{display:flex;align-items:center;gap:14px;padding:14px 0;border-top:1px solid var(--line)}
    .download-icon{width:38px;height:38px;border-radius:8px;background:var(--soft-green);display:grid;place-items:center;color:#507b12;font-weight:800}
    .download-line strong{display:block;font-size:14px}
    .download-line span{display:block;color:var(--muted);font-size:12px}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section h2{font-size:32px;line-height:1.25;margin:10px 0 0}
    .section-intro{color:var(--muted);max-width:510px;margin:0}
    .soft-section{background:#fff}
    .download-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:75px;align-items:center}
    .download-intro h2{font-size:34px}
    .download-intro p{color:var(--muted);font-size:16px}
    .feature-list{list-style:none;padding:0;margin:24px 0 0}
    .feature-list li{display:flex;gap:13px;padding:13px 0;border-bottom:1px solid var(--line)}
    .feature-list li:last-child{border-bottom:0}
    .feature-list b{color:var(--green-deep);font-size:18px;line-height:1.4}
    .feature-list strong{display:block;font-size:15px}
    .feature-list span{display:block;color:var(--muted);font-size:13px}
    .phone-stage{display:flex;justify-content:center;align-items:center;min-height:410px;background:#eaf2e5;border:1px solid #d8e6d2;border-radius:12px;position:relative;overflow:hidden}
    .phone-stage:before,.phone-stage:after{content:"";position:absolute;border:1px solid rgba(121,181,30,.25);border-radius:50%}
    .phone-stage:before{width:310px;height:310px}
    .phone-stage:after{width:410px;height:410px}
    .phone{
      width:208px;height:376px;border:7px solid #27372d;border-radius:28px;
      background:#f7faf5;box-shadow:0 18px 30px rgba(18,59,42,.22);
      position:relative;z-index:1;padding:25px 13px 13px
    }
    .phone:before{content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);width:67px;height:5px;border-radius:5px;background:#27372d}
    .phone-top{display:flex;justify-content:space-between;font-size:9px;color:#657066;margin-bottom:16px}
    .phone-brand{font-weight:800;font-size:14px;color:#123b2a;margin-bottom:18px}
    .phone-tabs{display:flex;gap:5px;margin-bottom:14px}
    .phone-tabs span{font-size:9px;padding:5px 7px;background:#eaf5d6;border-radius:4px;color:#507b12}
    .phone-card{border:1px solid #d9ded7;background:#fff;border-radius:6px;padding:10px;margin-bottom:9px}
    .phone-card small{font-size:8px;color:#879189}
    .phone-card strong{display:block;font-size:10px;margin:3px 0}
    .phone-card i{display:block;width:70%;height:4px;background:#dce9d6;border-radius:2px}
    .status-dot{display:inline-block;width:6px;height:6px;background:var(--orange);border-radius:50%;margin-right:3px}
    .spec-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .spec{padding:22px 20px;border-right:1px solid var(--line)}
    .spec:last-child{border-right:0}
    .spec strong{display:block;font-size:17px;margin-bottom:4px}
    .spec span{color:var(--muted);font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .step{background:#fff;border:1px solid var(--line);padding:24px 22px;border-radius:var(--radius);transition:.2s}
    .step:hover{transform:translateY(-2px);border-color:var(--green-deep);box-shadow:var(--shadow)}
    .step-num{font-family:monospace;color:var(--orange);font-size:14px;font-weight:800;margin-bottom:24px}
    .step h3{font-size:19px;margin-bottom:10px}
    .step p{color:var(--muted);font-size:14px;margin-bottom:0}
    .guide-layout{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:start}
    .guide-box{background:var(--dark);color:#fff;border-radius:var(--radius);padding:30px}
    .guide-box h3{font-size:21px;color:var(--green);margin-bottom:20px}
    .guide-row{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid #334239;font-size:14px}
    .guide-row:last-child{border-bottom:0}
    .guide-row span{color:#aeb9b0;text-align:right}
    .notice{background:var(--soft-green);border-left:4px solid var(--green-deep);padding:20px 22px;color:#294424;font-size:14px}
    .notice strong{display:block;margin-bottom:5px}
    .faq-wrap{max-width:820px;margin:0 auto}
    .faq-item{border-top:1px solid var(--line)}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;background:transparent;text-align:left;padding:20px 4px;display:flex;justify-content:space-between;gap:20px;font-weight:700;color:var(--ink)}
    .faq-question span:last-child{color:var(--green-deep);font-size:22px;line-height:1}
    .faq-answer{display:none;padding:0 42px 20px 4px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question{color:#527d16}
    .cta{background:var(--dark);color:#fff;padding:64px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:31px;margin:0 0 8px}
    .cta p{color:#acb8ae;margin:0}
    .site-footer{background:#0b120e;color:#dbe5dd;padding:52px 0 0}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer-title{color:#fff;font-size:16px;font-weight:800;margin-bottom:14px}
    .footer-grid p{color:#8f9d92;font-size:13px;margin:5px 0}
    .footer-grid a{display:block;color:#aab7ad;font-size:13px;margin:8px 0;transition:.2s}
    .footer-grid a:hover{color:var(--green)}
    .copyright{border-top:1px solid #27332b;padding:18px 0 22px;display:flex;justify-content:space-between;gap:15px;color:#77847a;font-size:12px}
    .back-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border-radius:7px;background:var(--green);color:var(--dark);font-weight:800;display:none;z-index:15}
    .back-top.show{display:block}
    @media(max-width:1100px){
      .navbar{gap:16px}.logo{min-width:210px}.main-nav a{padding-left:8px;padding-right:8px;font-size:14px}
      .main-nav a.active:after{left:8px;right:8px}.hero-layout{gap:35px}
    }
    @media(max-width:900px){
      .main-nav{display:none;position:absolute;left:0;right:0;top:76px;background:var(--dark);padding:8px 24px 18px;border-top:1px solid #2d3b31;flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:12px 4px;border-bottom:1px solid #27332b}.main-nav a.active:after{left:0;right:auto;width:28px;bottom:4px}
      .menu-toggle{display:block}.nav-actions{margin-left:auto}.hero-layout,.download-intro,.guide-layout{grid-template-columns:1fr}
      .download-panel{max-width:500px}.steps{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .navbar{height:68px}.main-nav{top:68px}.logo{min-width:0}.logo-text{font-size:15px}.logo-text small{display:none}
      .nav-link{font-size:12px;padding:7px 10px}.page-hero{padding:42px 0 48px}.crumbs{margin-bottom:22px}
      .page-hero p{font-size:15px}.section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:14px}
      .section h2,.download-intro h2{font-size:28px}.phone-stage{min-height:390px}.spec-grid{grid-template-columns:repeat(2,1fr)}
      .spec:nth-child(2){border-right:0}.spec:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .steps{gap:12px}.footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}.copyright{display:block}.copyright span{display:block;margin:4px 0}
      .cta-inner{display:block}.cta .btn{margin-top:22px}
    }
    @media(max-width:480px){
      .nav-actions .nav-link{display:none}.logo-text{font-size:14px}.hero-actions .btn{width:100%}
      .download-panel{padding:20px}.spec-grid{grid-template-columns:1fr 1fr}.spec{padding:17px 13px}
      .steps{grid-template-columns:1fr}.step{padding:20px}.phone-stage{min-height:370px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:22px}.footer-grid>div:first-child{grid-column:1/-1}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}