/* roulang page: index */
:root{
  --bg:#07111f;
  --bg-deep:#050c17;
  --panel:#0d1b30;
  --panel-2:#10233d;
  --line:rgba(133,190,255,.18);
  --line-strong:rgba(74,210,239,.42);
  --text:#eef7ff;
  --muted:#9db2c9;
  --soft:#7188a3;
  --blue:#3aa9ff;
  --cyan:#46d7e8;
  --violet:#8583ff;
  --coral:#ff9d9d;
  --shadow:0 24px 70px rgba(0,0,0,.3);
  --glow:0 0 30px rgba(57,169,255,.2);
  --radius:22px;
  --radius-sm:14px;
  --container:1220px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(circle at 10% 0%,rgba(57,169,255,.12),transparent 30rem),
    radial-gradient(circle at 90% 18%,rgba(133,131,255,.10),transparent 28rem),
    var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  line-height:1.7;
  font-size:16px;
  overflow-x:hidden;
}
body:before{
  content:"";
  position:fixed;inset:0;pointer-events:none;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:linear-gradient(to bottom,black,transparent 78%);
}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(7,17,31,.78);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}
.nav-side{display:flex;align-items:center;gap:10px}
.nav-side.right{justify-content:flex-end}
.nav-link{
  min-height:44px;padding:8px 14px;display:inline-flex;align-items:center;
  color:var(--muted);border-radius:10px;transition:.25s ease;
  font-size:14px;white-space:nowrap;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--text);background:rgba(70,215,232,.08)}
.nav-link.active{color:var(--cyan);position:relative}
.nav-link.active:after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.brand{text-align:center;line-height:1.15;white-space:nowrap}
.brand strong{display:block;font-size:17px;letter-spacing:.04em}
.brand span{display:block;color:var(--soft);font-size:10px;margin-top:5px;letter-spacing:.16em}
.menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:10px;width:44px;height:44px}
.hero{padding:82px 0 50px}
.hero-search{max-width:760px;margin:0 auto 50px;text-align:center}
.eyebrow,.section-kicker{
  color:var(--cyan);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  font-weight:700;
}
.hero h1{font-size:clamp(36px,5.5vw,66px);line-height:1.12;letter-spacing:-.04em;margin:18px 0 20px}
.hero-intro{color:var(--muted);max-width:690px;margin:auto;font-size:17px}
.search-box{display:flex;gap:10px;margin:28px auto 18px;padding:7px;background:rgba(13,27,48,.9);border:1px solid var(--line-strong);border-radius:16px;box-shadow:var(--glow)}
.search-box input{flex:1;min-width:0;background:transparent;border:0;color:var(--text);padding:12px 15px;outline:0}
.search-box input::placeholder{color:#7189a4}
.search-box button{border:0;padding:0 23px;border-radius:11px;color:#04101e;background:var(--cyan);font-weight:700;transition:.25s}
.search-box button:hover{background:#8deefa;box-shadow:0 0 24px rgba(70,215,232,.35)}
.quick-links{display:flex;justify-content:center;flex-wrap:wrap;gap:8px}
.quick-links a,.tag{border:1px solid var(--line);background:rgba(15,35,61,.7);border-radius:999px;padding:6px 12px;color:var(--muted);font-size:12px;transition:.25s}
.quick-links a:hover,.tag:hover{color:var(--cyan);border-color:var(--line-strong)}
.hero-stage{
  display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:stretch;
}
.glass{background:linear-gradient(145deg,rgba(18,41,70,.86),rgba(9,23,42,.78));border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
.preview-card{padding:28px;min-height:340px;position:relative;overflow:hidden}
.preview-card:after{content:"";position:absolute;width:270px;height:270px;background:rgba(58,169,255,.16);filter:blur(60px);right:-80px;top:-80px}
.preview-head,.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;position:relative;z-index:1}
.preview-title{font-size:22px;font-weight:700;margin:44px 0 8px;position:relative;z-index:1}
.preview-copy{color:var(--muted);max-width:470px;position:relative;z-index:1}
.status{color:var(--cyan);font-size:12px;border:1px solid rgba(70,215,232,.35);padding:5px 9px;border-radius:999px;background:rgba(70,215,232,.08)}
.preview-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px;position:relative;z-index:1}
.preview-card .play{position:absolute;right:42px;bottom:42px}
.play{width:58px;height:58px;border:1px solid rgba(255,255,255,.45);border-radius:50%;background:rgba(58,169,255,.85);color:white;display:grid;place-items:center;font-size:20px;box-shadow:0 0 28px rgba(58,169,255,.5);transition:.25s}
.play:hover{transform:scale(1.05);background:var(--cyan)}
.index-panel{padding:24px}
.index-list{display:grid;gap:10px;margin-top:22px}
.index-item{display:flex;align-items:center;gap:13px;padding:14px;border:1px solid transparent;border-radius:14px;background:rgba(255,255,255,.035)}
.index-item:hover{border-color:var(--line-strong)}
.index-num{color:var(--cyan);font:700 12px ui-monospace,monospace}
.index-item strong{font-size:14px;display:block}
.index-item small{display:block;color:var(--soft);font-size:12px}
.section{padding:92px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
.section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.2;margin-top:10px}
.section-head p{color:var(--muted);max-width:570px}
.issue-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:18px}
.issue-nav{padding:24px;display:grid;gap:10px}
.issue-link{display:flex;gap:14px;align-items:flex-start;padding:17px;border-left:2px solid var(--line);color:var(--muted);transition:.25s}
.issue-link:hover{border-color:var(--cyan);color:var(--text);background:rgba(70,215,232,.05)}
.issue-link b{color:var(--cyan);font:700 12px ui-monospace,monospace}
.issue-board{padding:30px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.board-wide{grid-column:1/-1;padding:22px;border-radius:16px;background:rgba(3,12,25,.42);border:1px solid var(--line)}
.board-wide h3{font-size:21px;margin-bottom:6px}
.board-wide p,.mini p{color:var(--muted);font-size:14px}
.mini{padding:20px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.035)}
.mini h3{font-size:16px;margin-bottom:5px}
.solution-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}
.solution-main{padding:30px;min-height:330px}
.solution-main h3{font-size:26px;margin:22px 0 12px}
.solution-main p{color:var(--muted);max-width:620px}
.feature-strip{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.side-stack{display:grid;gap:18px}
.side-card{padding:24px}
.side-card h3{font-size:18px;margin:10px 0 4px}
.side-card p{color:var(--muted);font-size:14px}
.icon-box{width:38px;height:38px;border:1px solid var(--line-strong);border-radius:11px;display:grid;place-items:center;color:var(--cyan)}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.metric{padding:24px;border-top:2px solid var(--cyan);background:rgba(14,32,55,.72);border-radius:14px}
.metric strong{font-size:28px;display:block;color:var(--text)}
.metric span{color:var(--muted);font-size:13px}
.track{margin-top:22px;padding:23px 25px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.03)}
.track-line{height:5px;background:linear-gradient(90deg,var(--cyan) 0 76%,rgba(255,255,255,.12) 76%);border-radius:99px;margin:16px 0 10px}
.track-labels{display:flex;justify-content:space-between;color:var(--soft);font-size:12px}
.quote-wrap{display:grid;grid-template-columns:1fr 1.5fr;gap:18px}
.quote-lead{padding:30px}
.quote-lead h2{font-size:32px;line-height:1.25;margin:14px 0}
.quote-lead p{color:var(--muted)}
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.quote{padding:24px;position:relative}
.quote:before{content:"“";font-size:46px;line-height:1;color:var(--cyan);opacity:.65}
.quote p{font-size:15px;color:#d9e8f5;margin:7px 0 15px}
.quote small{color:var(--soft)}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.faq{padding:21px 24px;border:1px solid var(--line);border-radius:15px;background:rgba(13,27,48,.7)}
.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary:after{content:"＋";color:var(--cyan);font-size:20px;line-height:1}
.faq[open] summary:after{content:"－"}
.faq p{color:var(--muted);font-size:14px;padding-top:14px}
.cta{padding:48px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;background:linear-gradient(110deg,rgba(20,57,88,.95),rgba(25,29,72,.9));position:relative;overflow:hidden}
.cta:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:rgba(70,215,232,.16);filter:blur(45px);right:15%;top:-130px}
.cta h2{font-size:clamp(26px,3.5vw,42px);line-height:1.2;position:relative;z-index:1}
.cta p{color:#b8cede;margin-top:10px;position:relative;z-index:1}
.btn{min-height:48px;border-radius:12px;padding:11px 21px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;font-weight:700;transition:.25s}
.btn-primary{background:var(--cyan);color:#04101b;box-shadow:0 0 25px rgba(70,215,232,.28)}
.btn-primary:hover{background:#a0f5ff;box-shadow:0 0 35px rgba(70,215,232,.5);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(70,215,232,.1);color:var(--cyan)}
.btn:focus-visible,.nav-link:focus-visible,.faq summary:focus-visible,input:focus-visible{outline:3px solid rgba(70,215,232,.45);outline-offset:3px}
.site-footer{padding:38px 0 28px;border-top:1px solid var(--line);background:rgba(4,11,21,.75)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.footer-brand strong{font-size:17px}
.footer-brand p{color:var(--soft);font-size:13px;max-width:350px;margin-top:10px}
.footer-col h3{font-size:14px;margin-bottom:12px}
.footer-col a{display:block;color:var(--muted);font-size:13px;margin:7px 0}
.footer-col a:hover{color:var(--cyan)}
.copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--soft);font-size:12px;display:flex;justify-content:space-between;gap:15px}
.notice{font-size:12px;color:var(--soft)}
@media(max-width:900px){
  .nav-wrap{grid-template-columns:auto 1fr auto}
  .brand{text-align:left}.nav-side.left,.nav-side.right{display:none}.menu-toggle{display:block}
  .nav-wrap.menu-open .nav-side{display:flex;position:absolute;top:78px;left:24px;right:24px;padding:16px;flex-direction:column;align-items:stretch;background:rgba(9,23,42,.97);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
  .nav-wrap.menu-open .nav-side.right{justify-content:flex-start}
  .hero-stage,.issue-layout,.solution-grid,.quote-wrap{grid-template-columns:1fr}
  .metric-row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .container{width:min(100% - 28px,var(--container))}
  .hero{padding-top:52px}.hero-intro{font-size:15px}
  .search-box{align-items:stretch}.search-box button{padding:0 15px}
  .preview-card,.solution-main,.quote-lead,.cta{padding:23px}
  .section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:14px}
  .issue-board{padding:18px;grid-template-columns:1fr}.board-wide{grid-column:auto}
  .metric-row,.quotes,.faq-grid{grid-template-columns:1fr}
  .cta{grid-template-columns:1fr}.cta .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
  .copyright{display:block}.copyright .notice{margin-top:8px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* roulang page: category1 */
:root{
 --bg:#07111f;--bg-deep:#050c17;--panel:#0d1b30;--panel-2:#10233d;
 --line:rgba(133,190,255,.18);--line-strong:rgba(74,210,239,.42);
 --text:#eef7ff;--muted:#9db2c9;--soft:#7188a3;--blue:#3aa9ff;
 --cyan:#46d7e8;--violet:#8583ff;--coral:#ff9d9d;
 --shadow:0 24px 70px rgba(0,0,0,.3);--glow:0 0 30px rgba(57,169,255,.2);
 --radius:22px;--radius-sm:14px;--container:1220px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
 background:radial-gradient(circle at 10% 0%,rgba(57,169,255,.12),transparent 30rem),
 radial-gradient(circle at 90% 18%,rgba(133,131,255,.1),transparent 28rem),var(--bg);
 color:var(--text);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
 line-height:1.7;font-size:16px;overflow-x:hidden
}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.16;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,#000,transparent 78%)}
a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(7,17,31,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-wrap{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}
.nav-side{display:flex;align-items:center;gap:10px}.nav-side.right{justify-content:flex-end}
.nav-link{min-height:44px;padding:8px 14px;display:inline-flex;align-items:center;color:var(--muted);border-radius:10px;transition:.25s ease;font-size:14px;white-space:nowrap}
.nav-link:hover,.nav-link:focus-visible{color:var(--text);background:rgba(70,215,232,.08)}
.nav-link.active{color:var(--cyan);position:relative}.nav-link.active:after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.brand{text-align:center;line-height:1.15;white-space:nowrap}.brand strong{display:block;font-size:17px;letter-spacing:.04em}.brand span{display:block;color:var(--soft);font-size:10px;margin-top:5px;letter-spacing:.16em}
.menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:10px;width:44px;height:44px}
.glass{background:rgba(13,27,48,.78);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(16px)}
.btn{min-height:46px;padding:10px 20px;border-radius:12px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s ease}
.btn-primary{color:#04101e;background:var(--cyan);box-shadow:0 0 24px rgba(70,215,232,.25)}.btn-primary:hover{background:#8deefa;box-shadow:0 0 32px rgba(70,215,232,.45);transform:translateY(-2px)}.btn-primary:active{transform:none;filter:brightness(.9)}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.04);border-color:var(--line)}.btn-ghost:hover{border-color:var(--line-strong);color:var(--cyan);background:rgba(70,215,232,.08)}.btn:focus-visible,.nav-link:focus-visible,.filter-chip:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(70,215,232,.45);outline-offset:3px}
.page-head{padding:76px 0 34px}.page-head-grid{display:grid;grid-template-columns:1fr .7fr;gap:36px;align-items:end}
.eyebrow,.section-kicker{color:var(--cyan);font-size:12px;letter-spacing:.2em;font-weight:700}
.page-head h1{font-size:clamp(36px,5vw,60px);line-height:1.12;letter-spacing:-.04em;margin:17px 0 18px}.page-head p{color:var(--muted);max-width:680px}
.head-note{padding:22px;border-left:2px solid var(--cyan);color:var(--muted);background:rgba(70,215,232,.045);border-radius:0 14px 14px 0}
.filter-panel{padding:22px;margin:20px 0 42px}.filter-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.search-box{display:flex;flex:1 1 300px;min-height:48px;padding:6px;background:rgba(5,12,23,.7);border:1px solid var(--line-strong);border-radius:13px;box-shadow:var(--glow)}
.search-box input{flex:1;min-width:0;padding:9px 12px;background:transparent;border:0;outline:0;color:var(--text)}.search-box input::placeholder{color:var(--soft)}
.search-box button{border:0;border-radius:9px;padding:0 18px;background:var(--cyan);color:#04101e;font-weight:700}
.filter-chip,.tag{border:1px solid var(--line);background:rgba(15,35,61,.7);border-radius:999px;padding:9px 15px;color:var(--muted);font-size:13px;transition:.25s;min-height:42px}
.filter-chip:hover,.filter-chip.active,.tag:hover{color:var(--cyan);border-color:var(--line-strong);background:rgba(70,215,232,.08)}
.filter-label{color:var(--soft);font-size:13px;margin-right:2px}
.content-layout{display:grid;grid-template-columns:1fr 285px;gap:20px;align-items:start}.content-main{min-width:0}
.section-title{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px}.section-title h2{font-size:28px;line-height:1.25}.section-title p{color:var(--soft);font-size:13px}
.feature-card{display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden;margin-bottom:18px;transition:.25s}.feature-card:hover,.video-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow),var(--glow)}
.visual{min-height:250px;position:relative;overflow:hidden;background:radial-gradient(circle at 30% 30%,rgba(70,215,232,.4),transparent 25%),linear-gradient(135deg,#132d50,#291d58 58%,#091827)}
.visual:before{content:"";position:absolute;inset:16px;border:1px solid rgba(160,225,255,.2);border-radius:16px;background:linear-gradient(145deg,rgba(255,255,255,.08),transparent 55%)}
.visual:after{content:"播放预览";position:absolute;left:22px;bottom:18px;color:rgba(238,247,255,.62);font-size:12px;letter-spacing:.15em}
.play-icon{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:62px;height:62px;border-radius:50%;background:rgba(70,215,232,.92);color:#06111f;display:grid;place-items:center;font-size:24px;padding-left:4px;box-shadow:0 0 30px rgba(70,215,232,.55)}
.badge{position:absolute;top:18px;left:18px;padding:5px 10px;border-radius:999px;background:rgba(7,17,31,.68);border:1px solid var(--line-strong);color:var(--cyan);font-size:12px}
.feature-info{padding:28px}.feature-info h3{font-size:25px;line-height:1.35;margin:13px 0 9px}.feature-info p,.video-card p{color:var(--muted);font-size:14px}.meta{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.meta span{font-size:12px;color:var(--soft);padding:5px 9px;border:1px solid var(--line);border-radius:8px}
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.video-card{overflow:hidden;transition:.25s}.video-card .visual{min-height:170px}.video-card .play-icon{width:46px;height:46px;font-size:18px}.video-info{padding:18px}.video-info h3{font-size:18px;line-height:1.4;margin-bottom:5px}.video-info .meta{margin:12px 0}
.sidebar{padding:22px;position:sticky;top:100px}.sidebar h3{font-size:18px;margin-bottom:17px}.side-list{display:grid;gap:10px}.side-list a{display:flex;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}.side-list a:hover{color:var(--cyan)}.side-list small{color:var(--soft)}.status-box{margin-top:26px;padding:16px;border-radius:14px;background:rgba(70,215,232,.06);border:1px solid var(--line)}.status-box strong{display:block;color:var(--cyan);font-size:13px;margin-bottom:5px}.status-box p{color:var(--muted);font-size:13px}
.empty{padding:35px;text-align:center;margin-top:18px;border:1px dashed var(--line-strong);border-radius:16px;color:var(--muted)}.empty strong{display:block;color:var(--text);margin-bottom:6px}
.info-section{padding:88px 0 20px}.info-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:20px}.info-lead{padding:28px}.info-lead h2{font-size:31px;line-height:1.3;margin:13px 0}.info-lead p,.tip-list li{color:var(--muted)}.tip-list{display:grid;gap:12px;padding:24px 28px;list-style:none}.tip-list li{padding:14px 0 14px 34px;border-bottom:1px solid var(--line);position:relative}.tip-list li:before{content:"✓";position:absolute;left:0;top:14px;color:var(--cyan)}
.faq-section{padding:72px 0}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.faq{padding:20px 23px;border:1px solid var(--line);border-radius:15px;background:rgba(13,27,48,.7)}.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"＋";color:var(--cyan);font-size:20px;line-height:1}.faq[open] summary:after{content:"－"}.faq p{color:var(--muted);font-size:14px;padding-top:13px}
.cta{padding:45px 48px;margin:30px 0 88px;display:flex;justify-content:space-between;align-items:center;gap:25px;background:linear-gradient(110deg,rgba(20,57,88,.95),rgba(25,29,72,.9));position:relative;overflow:hidden}.cta:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:rgba(70,215,232,.16);filter:blur(45px);right:15%;top:-130px}.cta h2,.cta p,.cta .btn{position:relative;z-index:1}.cta h2{font-size:clamp(26px,3.5vw,42px);line-height:1.2}.cta p{color:#b8cede;margin-top:8px}.site-footer{border-top:1px solid var(--line);padding:48px 0 25px;background:rgba(5,12,23,.72)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}.footer-brand strong{font-size:18px}.footer-brand p{color:var(--muted);max-width:360px;margin-top:10px;font-size:14px}.footer-col{display:grid;align-content:start;gap:8px}.footer-col h3{font-size:14px;color:var(--text);margin-bottom:5px}.footer-col a{color:var(--muted);font-size:14px}.footer-col a:hover{color:var(--cyan)}.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:38px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--soft)}.notice{text-align:right}
@media(max-width:900px){.page-head-grid,.content-layout,.info-grid{grid-template-columns:1fr}.sidebar{position:static}.content-layout{gap:28px}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:22px}.status-box{margin-top:0}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.nav-wrap{height:68px;grid-template-columns:1fr auto}.nav-side.left,.nav-side.right{display:none}.brand{text-align:left}.menu-toggle{display:block;justify-self:end}.site-header.open .nav-side.left,.site-header.open .nav-side.right{display:flex;position:absolute;left:16px;right:16px;top:76px;padding:12px;flex-direction:column;align-items:stretch;background:rgba(9,24,43,.98);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.site-header.open .nav-side.right{top:174px}.site-header.open .nav-link{width:100%}.page-head{padding:55px 0 25px}.feature-card{grid-template-columns:1fr}.visual{min-height:220px}.cta{align-items:flex-start;flex-direction:column;padding:32px 25px;margin-bottom:60px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{flex-direction:column}.notice{text-align:left}}
@media(max-width:576px){.page-head h1{font-size:36px}.filter-panel{padding:16px}.filter-row{display:grid;grid-template-columns:1fr}.search-box{width:100%}.filter-chip{width:100%;text-align:left}.video-grid,.faq-grid,.sidebar,.footer-grid{grid-template-columns:1fr}.feature-info{padding:21px}.section-title{display:block}.section-title p{margin-top:6px}.info-section,.faq-section{padding:55px 0 15px}.cta h2{font-size:28px}.copyright{margin-top:25px}.visual{min-height:185px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}