/* roulang page: index */
:root{
  --bg:#05090F;
  --bg-alt:#0A1119;
  --sink:#03060A;
  --panel:rgba(16,26,40,.62);
  --panel-solid:#0E1723;
  --line:rgba(140,200,255,.12);
  --line-strong:rgba(140,200,255,.22);
  --brand:#3DD6F5;
  --brand-deep:#1B8FB8;
  --accent:#FFB05C;
  --live:#FF4D6D;
  --done:#7C93A8;
  --ok:#45D6A0;
  --text:#E8F1FA;
  --muted:#A9BDD0;
  --weak:#6E8497;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-card:0 24px 60px -32px rgba(0,0,0,.85);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{background:none;border:0;cursor:pointer;font:inherit;color:inherit}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.mono{font-family:var(--font-mono)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.wrap{padding:0 24px}}
@media(min-width:1024px){.wrap{max-width:1240px;padding:0 32px}}
@media(max-width:1023px){body{padding-bottom:76px}}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(5,9,15,.82);backdrop-filter:blur(12px) saturate(140%);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{position:relative;width:26px;height:26px;border-radius:8px 8px 8px 3px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));box-shadow:0 0 18px rgba(61,214,245,.45)}
.logo-mark::after{content:"";position:absolute;right:4px;bottom:4px;width:7px;height:7px;border-radius:2px;background:rgba(5,9,15,.78)}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.02em}
.main-nav{display:none;align-items:center;gap:4px;margin-left:auto}
@media(min-width:1024px){.main-nav{display:flex}}
.nav-link{position:relative;padding:10px 14px;font-size:15px;color:var(--muted);border-radius:10px;transition:color .2s var(--ease),background .2s var(--ease);min-height:44px;display:inline-flex;align-items:center}
.nav-link:hover{color:var(--text);background:rgba(140,200,255,.06)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:24px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(61,214,245,.7)}
.header-actions{display:none;align-items:center;gap:16px;margin-left:8px}
@media(min-width:1024px){.header-actions{display:flex}}
.link-quiet{font-size:14px;color:var(--muted);padding:8px 4px;border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.link-quiet:hover{color:var(--brand);border-bottom-color:var(--brand)}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;margin-left:auto;border:1px solid var(--line-strong);border-radius:12px;align-items:center}
@media(min-width:1024px){.nav-toggle{display:none}}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-drawer{display:none;border-top:1px solid var(--line);background:rgba(5,9,15,.96)}
.header-drawer.is-open{display:block}
@media(min-width:1024px){.header-drawer{display:none!important}}
.header-drawer a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 20px;font-size:15px;color:var(--muted);border-bottom:1px solid var(--line)}
.header-drawer a:last-child{border-bottom:0}
.header-drawer a.is-active{color:var(--brand)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:12px;font-size:15px;font-weight:600;transition:all .2s var(--ease);white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#3DD6F5,#2AA9D6);color:#04191f;box-shadow:0 0 0 1px rgba(61,214,245,.45),0 14px 34px -12px rgba(61,214,245,.55)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(61,214,245,.62),0 20px 46px -12px rgba(61,214,245,.72)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text);background:rgba(16,26,40,.4)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-round{border-radius:999px}
.btn.is-done{background:var(--ok);color:#03170f;box-shadow:0 0 0 1px rgba(69,214,160,.5),0 14px 34px -14px rgba(69,214,160,.6)}

/* ============ 通用面板 ============ */
.glass{background:var(--panel);backdrop-filter:blur(14px) saturate(140%);border:1px solid var(--line);border-top-color:rgba(255,255,255,.10);border-radius:var(--r-lg);box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06)}
.solid{background:var(--panel-solid);border:1px solid var(--line);border-top-color:rgba(255,255,255,.08);border-radius:var(--r-lg);box-shadow:var(--shadow-card)}
.plate{position:absolute;top:14px;right:14px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--weak);border:1px solid var(--line-strong);border-radius:999px;padding:2px 10px;background:rgba(5,9,15,.62)}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:18px;letter-spacing:.08em;padding:3px 10px;border-radius:999px;border:1px solid var(--line-strong);color:var(--muted);white-space:nowrap}
.badge-live{color:var(--live);border-color:rgba(255,77,109,.42);background:rgba(255,77,109,.1)}
.badge-soon{color:var(--brand);border-color:rgba(61,214,245,.42);background:rgba(61,214,245,.1)}
.badge-replay{color:var(--done);border-color:rgba(124,147,168,.4);background:rgba(124,147,168,.1)}
.badge-ghost{color:var(--weak);border-color:var(--line)}

/* ============ 区块 ============ */
.section{padding:48px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--bg-alt)}
.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--brand);text-transform:uppercase;margin-bottom:10px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{font-size:22px;line-height:1.35;font-weight:600}
@media(min-width:1024px){.section-title{font-size:28px;line-height:1.36}}
.section-sub{color:var(--muted);font-size:15px;margin-top:8px;max-width:720px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);border-bottom:1px solid transparent;padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease)}
.link-more:hover{color:var(--brand);border-bottom-color:var(--brand)}
.hairline{height:1px;background:var(--line);border:0}

/* ============ Hero ============ */
.hero{position:relative;padding:40px 0 48px;overflow:hidden}
@media(min-width:1024px){.hero{padding:64px 0 88px}}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 22% 16%,rgba(61,214,245,.08),transparent 70%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;background-image:linear-gradient(rgba(140,200,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(140,200,255,.055) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%)}
.hero-grid{position:relative;z-index:1;display:grid;gap:24px}
@media(min-width:1280px){.hero-grid{grid-template-columns:7fr 5fr;align-items:start}}
.hero-card{padding:16px}
@media(min-width:768px){.hero-card{padding:20px}}
.cover{position:relative;border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(160deg,#0A1119,#03060A);aspect-ratio:16/9}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,15,.05) 38%,rgba(5,9,15,.78))}
.cover:hover img{transform:scale(1.04)}
.hero-body{padding:22px 4px 6px}
@media(min-width:768px){.hero-body{padding:26px 8px 6px}}
.hero h1{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:.01em}
@media(min-width:1024px){.hero h1{font-size:40px;line-height:1.25}}
.hero-lead{color:var(--muted);font-size:15px;line-height:1.8;margin-top:14px;max-width:720px}
@media(min-width:768px){.hero-lead{font-size:16px}}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:18px;font-size:13px;color:var(--weak);font-family:var(--font-mono);letter-spacing:.04em}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* 倒计时 */
.cd-panel{padding:20px}
.cd-title{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak);letter-spacing:.08em;margin-bottom:14px}
.countdown{display:flex;align-items:center;gap:4px}
.cd-cell{flex:1;background:var(--sink);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 4px;text-align:center}
.cd-num{display:block;font-family:var(--font-mono);font-size:32px;line-height:1.15;font-weight:700;color:var(--accent)}
@media(min-width:1280px){.cd-num{font-size:44px}}
.cd-label{display:block;font-size:12px;color:var(--weak);letter-spacing:.08em;margin-top:2px}
.cd-colon{font-family:var(--font-mono);font-size:22px;color:var(--brand);opacity:.45;animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:.2}50%{opacity:.85}}
.cd-note{margin-top:14px;font-size:13px;color:var(--weak)}

/* 看点列表 */
.focus-panel{padding:16px 20px 8px;margin-top:24px}
.focus-row{display:flex;align-items:center;gap:14px;min-height:64px;padding:12px 0;border-bottom:1px solid var(--line);transition:transform .2s var(--ease)}
.focus-row:last-child{border-bottom:0}
.focus-row:hover{transform:translateX(4px)}
.focus-idx{font-family:var(--font-mono);font-size:13px;color:var(--weak);letter-spacing:.08em;transition:color .2s var(--ease)}
.focus-row:hover .focus-idx{color:var(--brand)}
.focus-text{font-size:15px;color:var(--muted)}
.focus-row:hover .focus-text{color:var(--text)}
.focus-arrow{margin-left:auto;color:var(--weak);font-size:13px}

/* ============ 看点错落卡 ============ */
.focus-grid{display:grid;gap:20px}
@media(min-width:1024px){.focus-grid{grid-template-columns:7fr 5fr;grid-template-rows:auto auto}}
.focus-main{position:relative;padding:0;overflow:hidden}
.focus-main img{width:100%;height:100%;min-height:260px;object-fit:cover;opacity:.9}
.focus-main-body{position:absolute;inset:auto 0 0 0;padding:24px;background:linear-gradient(180deg,transparent,rgba(5,9,15,.92) 55%)}
.focus-main h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:10px}
.focus-main p{font-size:15px;color:var(--muted);max-width:560px}
.timeline{display:grid;gap:0;margin-top:16px}
.timeline li{display:flex;gap:14px;padding:9px 0;font-size:14px;color:var(--muted)}
.timeline b{font-family:var(--font-mono);color:var(--brand);font-weight:500;font-size:13px;letter-spacing:.04em;min-width:52px}
.focus-small{padding:18px}
.focus-small .cover{margin-bottom:16px}
.focus-small h3{font-size:18px;font-weight:600;line-height:1.45}
.focus-small p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:8px}

/* ============ 卡片 ============ */
.card{position:relative;background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);box-shadow:var(--shadow-card)}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(61,214,245,.75),transparent);opacity:0;transition:opacity .2s var(--ease);z-index:3}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 30px 70px -34px rgba(0,0,0,.92)}
.card:hover::before{opacity:1}
.card-body{padding:18px 20px 20px}
.card-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:52px}
.card-text{font-size:14px;line-height:1.85;color:var(--muted);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--weak)}
.duration{position:absolute;right:10px;bottom:10px;z-index:2;font-family:var(--font-mono);font-size:12px;padding:2px 8px;border-radius:999px;background:rgba(3,6,10,.78);border:1px solid var(--line-strong);color:var(--muted)}
.cover-badge{position:absolute;left:12px;top:12px;z-index:2}

/* 网格 */
.grid-3{display:grid;gap:20px}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* CMS 资讯卡 */
.news-grid{display:grid;gap:18px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--r-lg);transition:transform .2s var(--ease),border-color .2s var(--ease);box-shadow:var(--shadow-card)}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.news-card-link{display:flex;flex-direction:column;gap:10px;padding:20px;min-height:200px}
.news-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{font-size:14px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--weak);font-family:var(--font-mono)}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:12px;padding:48px 20px;border:1px dashed var(--line-strong);border-radius:var(--r-lg);background:rgba(16,26,40,.35);text-align:center}
.empty-state i{font-size:32px;color:var(--weak)}
.empty-state p{font-size:14px;color:var(--weak)}

/* 回放 */
.replay-track{display:grid;gap:18px}
@media(min-width:640px){.replay-track{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.replay-track{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:639px){
  .replay-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;-ms-overflow-style:none;scrollbar-width:none}
  .replay-track::-webkit-scrollbar{display:none}
  .replay-track>*{min-width:262px;scroll-snap-align:start}
}

/* 栏目指引 */
.guide-grid{display:grid;gap:24px}
@media(min-width:1024px){.guide-grid{grid-template-columns:5fr 7fr;align-items:start}}
.guide-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.guide-list li:last-child{border-bottom:0}
.guide-num{font-family:var(--font-mono);font-size:13px;color:var(--brand);letter-spacing:.08em;min-width:34px;padding-top:3px}
.guide-list h3{font-size:17px;font-weight:600;margin-bottom:6px}
.guide-list p{font-size:14px;line-height:1.85;color:var(--muted)}
.guide-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:linear-gradient(160deg,#0A1119,#03060A);aspect-ratio:4/3}
.guide-visual img{width:100%;height:100%;object-fit:cover;opacity:.85}
.mini-stack{display:grid;gap:14px;margin-top:16px}
@media(min-width:640px){.mini-stack{grid-template-columns:repeat(2,minmax(0,1fr))}}
.mini-card{display:flex;gap:12px;padding:14px;background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--r-md);transition:border-color .2s var(--ease),transform .2s var(--ease)}
.mini-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.mini-card img{width:56px;height:56px;border-radius:10px;object-fit:cover;flex-shrink:0}
.mini-card h4{font-size:15px;font-weight:600;margin-bottom:4px}
.mini-card p{font-size:13px;line-height:1.7;color:var(--weak)}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);backdrop-filter:blur(10px) saturate(130%);overflow:hidden;transition:border-color .2s var(--ease)}
.faq-item.is-open{border-color:var(--line-strong)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:56px;padding:14px 18px;text-align:left;font-size:16px;font-weight:600;line-height:1.5}
.faq-q i{color:var(--brand);font-size:13px;transition:transform .25s var(--ease);flex-shrink:0}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 18px 18px;font-size:15px;line-height:1.85;color:var(--muted);max-width:720px}
.faq-item.is-open .faq-a{max-height:340px}

/* CTA */
.cta-band{position:relative;overflow:hidden;padding:32px 24px;border-radius:var(--r-lg)}
@media(min-width:1024px){.cta-band{padding:48px 44px}}
.cta-band::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:linear-gradient(rgba(140,200,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(140,200,255,.06) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(70% 90% at 80% 20%,rgba(0,0,0,.9),transparent);mask-image:radial-gradient(70% 90% at 80% 20%,rgba(0,0,0,.9),transparent)}
.cta-inner{position:relative;z-index:1;display:grid;gap:24px}
@media(min-width:1024px){.cta-inner{grid-template-columns:6fr 6fr;align-items:center}}
.cta-band h2{font-size:22px;line-height:1.4;font-weight:600}
@media(min-width:1024px){.cta-band h2{font-size:28px}}
.cta-band p{font-size:15px;color:var(--muted);margin-top:12px;max-width:560px}
.sub-form{display:grid;gap:12px}
@media(min-width:640px){.sub-form{grid-template-columns:1fr auto}}
.sub-input{min-height:50px;padding:0 18px;border-radius:var(--r-sm);background:var(--sink);border:1px solid var(--line-strong);color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);width:100%}
.sub-input::placeholder{color:var(--weak)}
.sub-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(61,214,245,.18)}
.sub-input.is-error{border-color:var(--live);box-shadow:0 0 0 4px rgba(255,77,109,.16)}
.form-msg{font-size:13px;color:var(--weak);margin-top:10px;font-family:var(--font-mono);letter-spacing:.03em}
.form-msg.is-error{color:var(--live)}
.form-msg.is-ok{color:var(--ok)}

/* 页脚 */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:48px 0 0;margin-top:0}
@media(min-width:1024px){.site-footer{padding:64px 0 0}}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.4fr}}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted);margin-top:14px;max-width:340px}
.footer-title{font-size:13px;letter-spacing:.12em;color:var(--weak);margin-bottom:14px;font-family:var(--font-mono)}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--muted);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.footer-bottom{margin-top:40px;padding:20px 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak)}
.footer-bottom a{color:var(--weak)}
.footer-bottom a:hover{color:var(--brand)}

/* 移动底部 Tab */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;align-items:stretch;height:56px;padding-bottom:env(safe-area-inset-bottom);background:rgba(5,9,15,.92);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
@media(min-width:1024px){.tabbar{display:none}}
.tab-item{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:44px;font-size:10px;color:var(--weak);transition:color .2s var(--ease)}
.tab-item i{font-size:19px}
.tab-item.is-active{color:var(--brand)}
.tab-item.is-active::before{content:"";position:absolute;top:4px;width:6px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 8px rgba(61,214,245,.9)}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .card:hover,.news-card:hover,.mini-card:hover{transform:none}
}

/* roulang page: article */
:root{
  --bg:#05090F;
  --bg-alt:#0A1119;
  --sunken:#03060A;
  --glass:rgba(16,26,40,.62);
  --panel:#0E1723;
  --line:rgba(140,200,255,.12);
  --line-strong:rgba(140,200,255,.22);
  --brand:#3DD6F5;
  --brand-deep:#1B8FB8;
  --accent:#FFB05C;
  --live:#FF4D6D;
  --replay:#7C93A8;
  --ok:#45D6A0;
  --text:#E8F1FA;
  --muted:#A9BDD0;
  --dim:#6E8497;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
img{display:block;max-width:100%}
button,input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.wrap{padding:0 24px}}
@media (min-width:1024px){.wrap{padding:0 32px}}
@media (min-width:1280px){.wrap{max-width:1240px}}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,9,15,.82);
  backdrop-filter:blur(12px) saturate(140%);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;font-size:18px;color:var(--text);white-space:nowrap}
.logo-mark{position:relative;width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));box-shadow:0 0 0 1px rgba(61,214,245,.45),0 10px 22px -10px rgba(61,214,245,.75)}
.logo-mark::after{content:"";position:absolute;right:-1px;top:-1px;width:9px;height:9px;border-radius:0 7px 0 6px;background:var(--bg);opacity:.85}
.logo:hover .logo-mark{filter:brightness(1.08)}
.main-nav{display:none;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-block;padding:10px 14px;border-radius:999px;font-size:15px;color:var(--muted)}
.nav-link:hover{color:var(--text);background:rgba(61,214,245,.08)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;width:24px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(61,214,245,.8)}
.header-actions{display:flex;align-items:center;gap:10px}
.text-entry{display:none;font-size:15px;color:var(--muted);padding:10px 6px;border-bottom:1px solid transparent}
.text-entry:hover{color:var(--brand);border-bottom-color:var(--brand)}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;border:0;cursor:pointer;
  background:linear-gradient(135deg,#3DD6F5,#2AA9D6);
  color:#04121A;font-weight:700;font-size:15px;line-height:1;
  box-shadow:0 0 0 1px rgba(61,214,245,.45),0 14px 34px -12px rgba(61,214,245,.55);
  transition:filter .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(61,214,245,.5),0 18px 44px -12px rgba(61,214,245,.72)}
.btn-primary:active{transform:scale(.98)}
.btn-primary.is-ok{background:linear-gradient(135deg,#45D6A0,#2FA97C);box-shadow:0 0 0 1px rgba(69,214,160,.45),0 14px 34px -12px rgba(69,214,160,.5)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.02);
  color:var(--text);font-size:15px;transition:border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);background:rgba(61,214,245,.09)}
.btn-ghost:active{transform:scale(.98)}
.menu-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.02);color:var(--text);cursor:pointer}
.menu-btn:hover{border-color:var(--line-strong)}
.nav-drawer{
  display:none;position:absolute;left:0;right:0;top:72px;
  background:rgba(5,9,15,.97);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);padding:10px 16px 20px;
}
.nav-drawer.is-open{display:block}
.nav-drawer .nav-link{display:block;padding:14px 12px;border-radius:12px}
.nav-drawer .nav-link.is-active::after{display:none}
.nav-drawer .nav-link.is-active{background:rgba(61,214,245,.1);color:var(--brand)}
@media (min-width:1024px){
  .main-nav{display:flex}
  .text-entry{display:inline-block}
  .menu-btn{display:none}
  .nav-drawer{display:none!important}
}

/* 移动底部 Tab */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:stretch;
  height:56px;padding-bottom:env(safe-area-inset-bottom);
  background:rgba(5,9,15,.92);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
}
.mobile-tab a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-width:44px;min-height:44px;font-size:10px;color:var(--dim);position:relative;
}
.mobile-tab a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6}
.mobile-tab a.is-active{color:var(--brand)}
.mobile-tab a.is-active::before{content:"";position:absolute;top:4px;width:4px;height:4px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px var(--brand)}
@media (min-width:1024px){
  .mobile-tab{display:none}
  body{padding-bottom:0}
}

/* 文章头部 */
.article-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:radial-gradient(60% 90% at 18% 0%,rgba(61,214,245,.08),transparent 70%),var(--bg-alt);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.16;filter:saturate(120%);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(140,200,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(140,200,255,.06) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 88%);
  mask-image:linear-gradient(180deg,#000,transparent 88%);
}
.article-hero .wrap{position:relative;z-index:2;padding-top:28px;padding-bottom:36px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--dim);margin-bottom:22px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand);border-bottom:1px solid var(--brand)}
.crumb .sep{color:#3c4d5c}
.crumb .current{color:var(--dim);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;letter-spacing:.08em;border:1px solid var(--line-strong);color:var(--muted);background:rgba(255,255,255,.02)}
.badge.brand{color:var(--brand);border-color:rgba(61,214,245,.45);box-shadow:0 0 0 1px rgba(61,214,245,.12) inset}
.badge.accent{color:var(--accent);border-color:rgba(255,176,92,.4)}
.badge.live{color:var(--live);border-color:rgba(255,77,109,.45)}
.badge.replay{color:var(--replay);border-color:rgba(124,147,168,.45)}
.badge.ok{color:var(--ok);border-color:rgba(69,214,160,.45)}
.article-hero h1{
  font-size:28px;line-height:1.32;font-weight:700;letter-spacing:.01em;
  max-width:900px;min-height:calc(1.32em * 2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:18px;font-size:13px;color:var(--dim)}
.meta-row .mono{font-family:var(--mono)}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
@media (min-width:1024px){
  .article-hero h1{font-size:40px;line-height:1.26;min-height:calc(1.26em * 2)}
  .article-hero .wrap{padding-top:36px;padding-bottom:48px}
}

/* 主布局 */
.main-region{padding:40px 0 64px}
.article-layout{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:1024px){
  .main-region{padding:56px 0 88px}
  .article-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:44px}
}

/* 正文排版 */
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--text)}
.article-body > * + *{margin-top:1.05em}
.article-body h2{
  position:relative;font-size:22px;line-height:1.4;font-weight:600;color:var(--text);
  margin-top:2.2em;padding-left:14px;border-left:3px solid var(--brand);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin-top:1.8em;color:var(--text)}
.article-body p{color:var(--muted)}
.article-body strong{color:var(--text);font-weight:600}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(61,214,245,.35);padding-bottom:1px}
.article-body a:hover{color:#7BE4FF;border-bottom-color:#7BE4FF}
.article-body ul{padding-left:2px}
.article-body ul li{position:relative;padding-left:20px;color:var(--muted);margin-top:.5em}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);opacity:.85}
.article-body ol{counter-reset:item;padding-left:2px}
.article-body ol li{position:relative;padding-left:32px;color:var(--muted);margin-top:.5em;counter-increment:item}
.article-body ol li::before{
  content:counter(item,decimal-leading-zero);position:absolute;left:0;top:.15em;
  font-family:var(--mono);font-size:13px;color:var(--brand);
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--accent);
  background:rgba(255,176,92,.06);border-radius:0 12px 12px 0;color:var(--muted);font-size:15px;
}
.article-body img{border-radius:14px;margin:1.6em 0;background:var(--sunken);width:100%;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--dim);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body thead th{background:var(--panel);color:var(--text);font-weight:600;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line-strong)}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--muted)}
.article-body tbody tr:hover td{background:rgba(61,214,245,.04)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body code{font-family:var(--mono);font-size:14px;background:var(--sunken);border:1px solid var(--line);border-radius:6px;padding:2px 6px;color:var(--brand)}

/* 侧栏 */
.side-col{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){
  .side-col{position:sticky;top:96px;align-self:start}
}
.side-card{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--panel);
  padding:20px 22px;
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 24px 60px -40px rgba(0,0,0,.85);
}
.side-card.glass{
  background:var(--glass);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.side-title{display:flex;align-items:center;justify-content:space-between;font-size:16px;font-weight:600;margin-bottom:14px}
.side-title .num{font-family:var(--mono);font-size:12px;color:var(--dim);border:1px solid var(--line);border-radius:999px;padding:2px 8px;letter-spacing:.08em}
.toc-list li + li{border-top:1px solid var(--line)}
.toc-list a{display:flex;align-items:center;gap:10px;padding:12px 2px;font-size:15px;color:var(--muted)}
.toc-list a::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--dim);flex:none;transition:background .2s var(--ease)}
.toc-list a:hover{color:var(--brand)}
.toc-list a:hover::before{background:var(--brand);box-shadow:0 0 8px var(--brand)}
.info-list{display:flex;flex-direction:column;gap:12px;font-size:15px}
.info-list .row{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:10px}
.info-list .row:last-child{border-bottom:0;padding-bottom:0}
.info-list .k{color:var(--dim);font-size:13px}
.info-list .v{color:var(--text)}
.side-cta{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.side-cta .btn-primary{width:100%}
.side-cta .note{font-size:13px;color:var(--dim);text-align:center;font-family:var(--mono)}
.mini-list li + li{border-top:1px solid var(--line)}
.mini-list a{display:flex;align-items:flex-start;gap:12px;padding:14px 2px}
.mini-list .idx{font-family:var(--mono);font-size:12px;color:var(--dim);border:1px solid var(--line);border-radius:6px;padding:2px 6px;flex:none;margin-top:2px}
.mini-list .t{font-size:15px;line-height:1.55;color:var(--muted);transition:transform .2s var(--ease),color .2s var(--ease)}
.mini-list a:hover .t{color:var(--text);transform:translateX(4px)}
.mini-list a:hover .idx{color:var(--brand);border-color:rgba(61,214,245,.45)}

/* 文章底部上下篇 */
.pager{display:grid;grid-template-columns:1fr;gap:16px;margin-top:48px;max-width:760px}
@media (min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager a{
  display:block;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--panel);padding:18px 20px;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.pager a:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 20px 44px -30px rgba(0,0,0,.9)}
.pager .lab{display:block;font-size:12px;letter-spacing:.08em;color:var(--dim);margin-bottom:8px}
.pager .ttl{font-size:16px;font-weight:600;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pager .arrow{font-family:var(--mono);color:var(--brand)}

/* 缺失态 */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  background:var(--panel);padding:48px 24px;text-align:center;
}
.empty-state svg{width:40px;height:40px;stroke:var(--dim);fill:none;stroke-width:1.4;margin:0 auto 14px}
.empty-state p{font-size:14px;color:var(--dim);margin-bottom:18px}

/* 通用板块 */
.section{padding:56px 0}
.section.alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{max-width:720px;margin-bottom:32px}
.section-head .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--brand);margin-bottom:12px}
.section-head h2{font-size:22px;line-height:1.4;font-weight:600}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted)}
@media (min-width:1024px){.section-head h2{font-size:28px;line-height:1.36}}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:820px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);overflow:hidden;transition:border-color .2s var(--ease)}
.faq-item.open{border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--text);font-size:16px;font-weight:600;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--muted)}

/* 订阅带 */
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--line-strong);border-radius:var(--r-lg);
  background:radial-gradient(60% 120% at 12% 0%,rgba(61,214,245,.1),transparent 70%),var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  padding:32px 24px;
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 24px 60px -32px rgba(0,0,0,.85);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(140,200,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(140,200,255,.06) 1px,transparent 1px);
  background-size:56px 56px;opacity:.55;
  -webkit-mask-image:radial-gradient(70% 100% at 80% 0,#000,transparent 80%);
  mask-image:radial-gradient(70% 100% at 80% 0,#000,transparent 80%);
}
.cta-band .inner{position:relative;z-index:2;display:grid;gap:24px}
.cta-band h2{font-size:22px;font-weight:600;line-height:1.4}
.cta-band p{margin-top:10px;font-size:15px;color:var(--muted);max-width:520px}
.cta-band .count-note{margin-top:14px;font-family:var(--mono);font-size:13px;color:var(--accent)}
@media (min-width:1024px){
  .cta-band{padding:44px 40px}
  .cta-band .inner{grid-template-columns:1.15fr 1fr;align-items:center;gap:40px}
  .cta-band h2{font-size:28px}
}
.sub-form{display:flex;flex-direction:column;gap:12px}
@media (min-width:640px){.sub-form{flex-direction:row;align-items:center}}
.sub-form input{
  flex:1;min-height:48px;padding:0 16px;border-radius:12px;
  background:var(--sunken);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-form input::placeholder{color:var(--dim)}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(61,214,245,.18)}
.sub-form input.is-error{border-color:var(--live);box-shadow:0 0 0 4px rgba(255,77,109,.14)}
.sub-form .btn-primary{min-height:48px;padding:0 24px}
.form-msg{font-size:13px;color:var(--dim);margin-top:12px;min-height:20px}
.form-msg.err{color:var(--live)}
.form-msg.ok{color:var(--ok)}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);background:var(--bg-alt);padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--dim);max-width:280px;line-height:1.75}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--text);margin-bottom:14px}
.footer-links li + li{margin-top:10px}
.footer-links a{font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--brand);border-bottom:1px solid var(--brand)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--dim);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--brand)}
@media (max-width:1023px){.site-footer{padding-bottom:96px}}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .pager a:hover,.mini-list a:hover .t{transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#05090F;
  --bg-alt:#0A1119;
  --bg-sunken:#03060A;
  --glass:rgba(16,26,40,.62);
  --panel:#0E1723;
  --line:rgba(140,200,255,.12);
  --line-strong:rgba(140,200,255,.22);
  --primary:#3DD6F5;
  --primary-deep:#1B8FB8;
  --accent:#FFB05C;
  --live:#FF4D6D;
  --replay:#7C93A8;
  --ok:#45D6A0;
  --text:#E8F1FA;
  --text-2:#A9BDD0;
  --text-3:#6E8497;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-card:0 24px 60px -32px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.06);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media (max-width:1023px){
  html body{padding-bottom:76px}
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.wrap{padding:0 24px}}
@media (min-width:1024px){.wrap{padding:0 32px;max-width:1240px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,9,15,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;color:var(--text);font-size:17px}
.logo-mark{
  position:relative;width:22px;height:22px;border-radius:6px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 18px -4px rgba(61,214,245,.85);
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;right:-3px;bottom:-3px;width:10px;height:10px;
  background:var(--bg);border-top:2px solid var(--accent);border-left:2px solid var(--accent);
  border-top-left-radius:2px;
}
.logo-text{white-space:nowrap}
.main-nav{display:none}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:26px}
}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;color:var(--text-2);
  transition:color .2s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  width:24px;height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 12px rgba(61,214,245,.85);
}
.header-actions{display:flex;align-items:center;gap:14px}
.link-sub{
  display:none;font-size:14px;color:var(--text-2);
  transition:color .2s var(--ease);
}
.link-sub:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
@media (min-width:1024px){.link-sub{display:inline-block}}
.header-actions .btn{display:none}
@media (min-width:640px){.header-actions .btn{display:inline-flex}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line-strong);color:var(--text);
  cursor:pointer;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--primary)}
@media (min-width:1024px){.nav-toggle{display:none}}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(5,9,15,.96);
  padding:10px 16px 18px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:12px;
  color:var(--text-2);font-size:15px;border:1px solid transparent;
}
.mobile-drawer a:hover{background:var(--bg-alt);color:var(--text)}
.mobile-drawer a.is-active{color:var(--primary);border-color:var(--line-strong);background:rgba(61,214,245,.07)}
@media (min-width:1024px){.mobile-drawer{display:none !important}}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:14px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:filter .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-glow{
  background:linear-gradient(135deg,#3DD6F5,#2AA9D6);
  color:#03151C;
  box-shadow:0 0 0 1px rgba(61,214,245,.45),0 14px 34px -12px rgba(61,214,245,.55);
}
.btn-glow:hover{
  filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(61,214,245,.6),0 20px 48px -12px rgba(61,214,245,.78);
}
.btn-ghost{
  background:rgba(16,26,40,.62);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{min-height:40px;padding:0 16px;font-size:13px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;line-height:18px;
  border:1px solid var(--line-strong);color:var(--text-2);
  background:rgba(16,26,40,.5);
}
.badge-plan{color:var(--primary);border-color:rgba(61,214,245,.42)}
.badge-live{color:var(--live);border-color:rgba(255,77,109,.45)}
.badge-replay{color:var(--replay);border-color:rgba(124,147,168,.45)}
.badge-ok{color:var(--ok);border-color:rgba(69,214,160,.45)}
.door-tag{
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;
  color:var(--text-3);border:1px solid var(--line);border-radius:999px;
  padding:2px 9px;background:rgba(3,6,10,.5);
}

/* ---------- 玻璃卡 ---------- */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
}
.solid-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:0 18px 44px -30px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.06);
}
.card-hover{transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.card-hover:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 30px 70px -34px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.1)}

/* ---------- 版块 ---------- */
.section{padding:48px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--bg-alt)}
.section-title{font-size:28px;line-height:38px;font-weight:600;margin:0 0 12px}
@media (max-width:639px){.section-title{font-size:22px;line-height:32px}}
.section-desc{color:var(--text-2);max-width:720px;margin:0 0 32px;font-size:15px;line-height:1.85}
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  color:var(--primary);text-transform:uppercase;margin:0 0 10px;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--bg);
  background-image:
    radial-gradient(60% 60% at 18% 0%, rgba(61,214,245,.08) 0%, rgba(61,214,245,0) 70%),
    linear-gradient(180deg, rgba(5,9,15,.42) 0%, rgba(5,9,15,.9) 62%, var(--bg) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover,cover,cover;
  background-position:center,center,center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(to right, rgba(140,200,255,.06) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(to bottom, rgba(140,200,255,.06) 0 1px, transparent 1px 72px);
  mask-image:radial-gradient(70% 60% at 30% 20%, #000 0%, transparent 78%);
  -webkit-mask-image:radial-gradient(70% 60% at 30% 20%, #000 0%, transparent 78%);
}
.page-hero .wrap{position:relative;z-index:2;padding-top:44px;padding-bottom:48px}
@media (min-width:1024px){.page-hero .wrap{padding-top:76px;padding-bottom:88px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .cur{color:var(--text-3)}
.hero-h1{
  font-size:28px;line-height:36px;font-weight:700;letter-spacing:.01em;
  margin:16px 0 14px;max-width:760px;
}
@media (min-width:1024px){.hero-h1{font-size:40px;line-height:48px}}
.hero-sub{color:var(--text-2);max-width:680px;margin:0 0 28px;font-size:15px;line-height:1.85}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:32px;max-width:620px}
@media (min-width:768px){.hero-stats{grid-template-columns:repeat(3,minmax(0,1fr))}}
.stat-block{
  background:rgba(3,6,10,.55);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px;
}
.stat-num{font-family:var(--mono);font-size:22px;color:var(--primary);line-height:1.3}
.stat-label{font-size:12px;color:var(--text-3);letter-spacing:.06em}

/* ---------- 正文 ---------- */
.doc{min-width:0}
.doc-block{padding:0}
.doc-block + .doc-block{margin-top:36px;padding-top:36px;border-top:1px solid var(--line)}
.doc-h2{
  display:flex;align-items:baseline;gap:12px;
  font-size:22px;line-height:32px;font-weight:600;margin:0 0 18px;
}
@media (min-width:1024px){.doc-h2{font-size:28px;line-height:38px}}
.doc-num{font-family:var(--mono);font-size:13px;color:var(--primary);letter-spacing:.08em;flex:0 0 auto}
.doc-h3{
  display:flex;align-items:center;gap:10px;
  font-size:18px;line-height:30px;font-weight:600;margin:26px 0 10px;color:var(--text);
}
.doc-h3::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--primary);flex:0 0 auto;box-shadow:0 0 10px rgba(61,214,245,.8)}
.doc p{color:var(--text-2);margin:0 0 1em;font-size:16px;line-height:1.85;max-width:752px}
.doc ul.doc-list{list-style:none;padding:0;margin:0 0 8px;max-width:752px}
.doc ul.doc-list li{
  position:relative;padding:10px 0 10px 26px;color:var(--text-2);
  border-bottom:1px solid var(--line);font-size:15px;line-height:1.8;
}
.doc ul.doc-list li:last-child{border-bottom:0}
.doc ul.doc-list li::before{
  content:"";position:absolute;left:4px;top:20px;
  width:8px;height:8px;border-radius:2px;background:rgba(61,214,245,.85);
}
.doc ol.doc-ordered{list-style:none;counter-reset:step;padding:0;margin:0 0 8px;max-width:752px}
.doc ol.doc-ordered li{
  counter-increment:step;position:relative;padding:12px 0 12px 46px;
  border-bottom:1px solid var(--line);color:var(--text-2);font-size:15px;line-height:1.8;
}
.doc ol.doc-ordered li:last-child{border-bottom:0}
.doc ol.doc-ordered li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:12px;
  font-family:var(--mono);font-size:13px;color:var(--primary);
  border:1px solid var(--line-strong);border-radius:8px;
  min-width:32px;height:28px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(3,6,10,.55);
}
.doc li strong{color:var(--text);font-weight:600}
.doc-figure{margin:24px 0 26px}
.doc-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--bg-sunken);
}
.doc-figure figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;line-height:1.7}
.quote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--accent);
  background:rgba(255,176,92,.06);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);font-size:15px;line-height:1.85;max-width:752px;
}

/* ---------- 侧栏 ---------- */
.side-col{min-width:0}
@media (min-width:1024px){
  .side-col{position:sticky;top:96px;align-self:start}
}
.side-card{padding:20px;margin-bottom:16px}
.side-title{
  margin:0 0 14px;font-size:13px;letter-spacing:.12em;color:var(--text-3);
  font-family:var(--mono);text-transform:uppercase;
}
.toc-list{list-style:none;margin:0;padding:0}
.toc-list li + li{margin-top:2px}
.toc-link{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:0 10px;
  border-radius:var(--r-sm);font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.toc-link:hover{color:var(--text);background:rgba(61,214,245,.07)}
.toc-link.is-current{color:var(--primary);background:rgba(61,214,245,.1);border-left-color:var(--primary)}
.toc-index{font-family:var(--mono);font-size:12px;color:var(--text-3)}
.toc-link.is-current .toc-index{color:var(--primary)}
.point-list{list-style:none;margin:0;padding:0}
.point-list li{
  display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);
  font-size:14px;color:var(--text-2);line-height:1.7;
}
.point-list li:last-child{border-bottom:0;padding-bottom:0}
.point-list .pt-dot{
  flex:0 0 auto;width:6px;height:6px;border-radius:999px;margin-top:9px;
  background:var(--primary);box-shadow:0 0 10px rgba(61,214,245,.8);
}
.status-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px solid var(--line);
}
.status-row:last-child{border-bottom:0;padding-bottom:0}
.status-label{font-size:14px;color:var(--text-2)}
.status-meta{font-family:var(--mono);font-size:12px;color:var(--text-3)}

/* ---------- 路径条目 ---------- */
.path-list{display:grid;gap:14px}
.path-item{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;
  padding:20px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.path-item:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.path-no{
  font-family:var(--mono);font-size:13px;color:var(--primary);
  border:1px solid var(--line-strong);border-radius:10px;
  min-width:42px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(3,6,10,.6);
}
.path-title{margin:0 0 6px;font-size:17px;font-weight:600;color:var(--text)}
.path-desc{margin:0;font-size:14px;line-height:1.8;color:var(--text-2)}
.path-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:14px;color:var(--primary);
}
.path-link:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- 栏目入口 ---------- */
.channel-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;border-bottom:1px solid var(--line);
  transition:padding .2s var(--ease),background .2s var(--ease);
}
.channel-row:hover{background:rgba(61,214,245,.05);padding-left:12px;padding-right:12px}
.channel-main{display:flex;align-items:center;gap:16px;min-width:0}
.channel-name{margin:0;font-size:16px;font-weight:600;color:var(--text)}
.channel-desc{margin:2px 0 0;font-size:13px;color:var(--text-3);line-height:1.7}
.channel-arrow{color:var(--text-3);flex:0 0 auto;transition:color .2s var(--ease),transform .2s var(--ease)}
.channel-row:hover .channel-arrow{color:var(--primary);transform:translateX(4px)}

/* ---------- 状态条 ---------- */
.bar-list{display:grid;gap:12px}
.bar-row{
  display:grid;grid-template-columns:1fr;gap:8px;
  padding:16px 18px;border-radius:var(--r-md);
  background:var(--bg-sunken);border:1px solid var(--line);
}
@media (min-width:640px){
  .bar-row{grid-template-columns:200px 1fr auto;align-items:center;gap:18px}
}
.bar-name{font-size:15px;color:var(--text);font-weight:600}
.bar-track{height:6px;border-radius:999px;background:rgba(140,200,255,.12);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-deep));box-shadow:0 0 14px rgba(61,214,245,.6)}
.bar-fill.accent{background:linear-gradient(90deg,#FFB05C,#E08B2E);box-shadow:0 0 14px rgba(255,176,92,.55)}
.bar-fill.muted{background:linear-gradient(90deg,#7C93A8,#4E6172);box-shadow:none}
.bar-state{font-family:var(--mono);font-size:12px;color:var(--text-3);letter-spacing:.04em}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  border-radius:var(--r-md);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:0 18px 44px -34px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq-item.is-open{border-color:var(--line-strong)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:56px;padding:16px 20px;
  background:transparent;border:0;color:var(--text);
  font-size:16px;font-weight:600;text-align:left;cursor:pointer;
}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;color:var(--primary);
  transition:transform .25s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px;transition:opacity .25s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{padding:0 20px 18px;color:var(--text-2);font-size:15px;line-height:1.85}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- 订阅 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  padding:28px;border-radius:var(--r-lg);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);
}
@media (min-width:1024px){.cta-band{padding:44px}}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(to right, rgba(140,200,255,.06) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(to bottom, rgba(140,200,255,.06) 0 1px, transparent 1px 64px);
  mask-image:radial-gradient(60% 80% at 85% 20%, #000 0%, transparent 75%);
  -webkit-mask-image:radial-gradient(60% 80% at 85% 20%, #000 0%, transparent 75%);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:24px}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.1fr .9fr;align-items:center;gap:40px}}
.cta-title{margin:0 0 10px;font-size:24px;line-height:34px;font-weight:600}
@media (min-width:1024px){.cta-title{font-size:30px;line-height:40px}}
.cta-text{margin:0;color:var(--text-2);font-size:15px;line-height:1.85;max-width:560px}
.sub-form{display:grid;gap:12px}
@media (min-width:640px){.sub-form{grid-template-columns:1fr auto}}
.sub-input{
  width:100%;min-height:48px;padding:0 16px;border-radius:var(--r-sm);
  background:var(--bg-sunken);border:1px solid var(--line-strong);
  color:var(--text);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-input::placeholder{color:var(--text-3)}
.sub-input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(61,214,245,.16);
}
.sub-input.is-error{border-color:var(--live);box-shadow:0 0 0 4px rgba(255,77,109,.14)}
.form-hint{margin:12px 0 0;font-size:13px;color:var(--text-3);line-height:1.7}
.form-hint.is-error{color:var(--live)}
.form-hint.is-ok{color:var(--ok)}
.btn.is-ok{background:linear-gradient(135deg,#45D6A0,#2FA97C);color:#03150F;box-shadow:0 0 0 1px rgba(69,214,160,.45),0 14px 34px -12px rgba(69,214,160,.5)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:8px;
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  padding:48px 0 28px;
}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{margin:0;color:var(--text-3);font-size:14px;line-height:1.8;max-width:280px}
.footer-title{
  margin:0 0 14px;font-family:var(--mono);font-size:12px;
  letter-spacing:.14em;color:var(--text-3);text-transform:uppercase;
}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li + li{margin-top:4px}
.footer-links a{
  display:inline-flex;align-items:center;min-height:36px;
  font-size:14px;color:var(--text-2);
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:grid;grid-template-columns:repeat(5,1fr);
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(5,9,15,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
}
@media (min-width:1024px){.tabbar{display:none}}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;min-width:44px;min-height:44px;
  font-size:10px;color:var(--text-3);
  transition:color .2s var(--ease);
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tab-item:hover{color:var(--text-2)}
.tab-item.is-active{color:var(--primary)}
.tab-item.is-active::before{
  content:"";position:absolute;top:5px;width:14px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(61,214,245,.9);
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
    --bg:#05090F;
    --bg-alt:#0A1119;
    --sunken:#03060A;
    --panel:rgba(16,26,40,.62);
    --panel-solid:#0E1723;
    --line:rgba(140,200,255,.12);
    --line-strong:rgba(140,200,255,.22);
    --brand:#3DD6F5;
    --brand-deep:#1B8FB8;
    --accent:#FFB05C;
    --live:#FF4D6D;
    --replay:#7C93A8;
    --ok:#45D6A0;
    --text:#E8F1FA;
    --text-2:#A9BDD0;
    --text-3:#6E8497;
    --r-lg:18px;
    --r-md:14px;
    --r-btn:12px;
    --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    --shadow-card:0 24px 60px -32px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.06);
    --shadow-btn:0 0 0 1px rgba(61,214,245,.45), 0 14px 34px -12px rgba(61,214,245,.55);
    --ease:cubic-bezier(.2,.7,.2,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.78;
    padding-bottom:76px;
    -webkit-font-smoothing:antialiased;
  }
  @media (min-width:1024px){ body{padding-bottom:0;} }
  img{max-width:100%;display:block;}
  a{color:var(--text);text-decoration:none;transition:color .2s var(--ease);}
  a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
  p{margin:0 0 1em;}
  h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
  ul{margin:0;padding:0;list-style:none;}
  button,input{font:inherit;color:inherit;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
  @media (min-width:640px){ .wrap{padding:0 24px;} }
  @media (min-width:1024px){ .wrap{padding:0 32px;} }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(5,9,15,.82);
    backdrop-filter:blur(12px) saturate(140%);
    -webkit-backdrop-filter:blur(12px) saturate(140%);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    height:72px;display:flex;align-items:center;gap:20px;justify-content:space-between;
  }
  .logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;}
  .logo:hover{text-decoration:none;color:var(--text);}
  .logo-mark{
    width:26px;height:26px;border-radius:8px;flex:0 0 auto;
    background:linear-gradient(135deg,#3DD6F5,#1B8FB8);
    clip-path:polygon(0 0,68% 0,100% 32%,100% 100%,0 100%);
    box-shadow:0 0 0 1px rgba(61,214,245,.45), 0 10px 22px -12px rgba(61,214,245,.75);
  }
  .logo-text{font-size:17px;line-height:1;white-space:nowrap;}
  .main-nav{display:none;align-items:center;gap:6px;}
  @media (min-width:1024px){ .main-nav{display:flex;} }
  .nav-link{
    position:relative;display:inline-block;padding:10px 12px;border-radius:10px;
    font-size:15px;color:var(--text-2);white-space:nowrap;
  }
  .nav-link:hover{color:var(--text);background:rgba(140,200,255,.06);text-decoration:none;}
  .nav-link.is-active{color:var(--text);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;width:24px;
    background:var(--brand);border-radius:2px;
  }
  .header-actions{display:flex;align-items:center;gap:12px;}
  .link-quiet{display:none;font-size:14px;color:var(--text-2);}
  @media (min-width:1024px){ .link-quiet{display:inline;} }
  .icon-btn{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    background:transparent;border:1px solid var(--line);border-radius:12px;cursor:pointer;
    transition:border-color .2s var(--ease), background .2s var(--ease);
  }
  .icon-btn:hover{border-color:var(--line-strong);background:rgba(140,200,255,.06);}
  @media (min-width:1024px){ .menu-btn{display:none;} }

  .mobile-drawer{
    border-top:1px solid var(--line);background:rgba(10,17,25,.97);
    padding:10px 0 16px;
  }
  .mobile-drawer[hidden]{display:none;}
  .mobile-drawer .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    min-height:48px;padding:0 4px;font-size:15px;color:var(--text-2);
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer .drawer-link:last-child{border-bottom:0;}
  .mobile-drawer .drawer-link.is-active{color:var(--brand);}
  @media (min-width:1024px){ .mobile-drawer{display:none !important;} }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:11px 22px;border:0;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:transform .2s var(--ease), filter .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
  }
  .btn:hover{text-decoration:none;}
  .btn-primary{
    background:linear-gradient(135deg,#3DD6F5,#2AA9D6);
    color:#04131B;box-shadow:var(--shadow-btn);
  }
  .btn-primary:hover{filter:brightness(1.06);color:#04131B;box-shadow:0 0 0 1px rgba(61,214,245,.6), 0 18px 44px -12px rgba(61,214,245,.7);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{
    background:rgba(255,255,255,.02);color:var(--text);border:1px solid var(--line-strong);
  }
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-sm{min-height:40px;padding:8px 16px;font-size:14px;}
  .btn-ok{background:linear-gradient(135deg,#45D6A0,#31B98A);color:#04131B;box-shadow:0 0 0 1px rgba(69,214,160,.45),0 14px 34px -14px rgba(69,214,160,.6);}

  /* ---------- surfaces ---------- */
  .glass{
    position:relative;
    background:var(--panel);
    backdrop-filter:blur(14px) saturate(140%);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-card);
  }
  .glass::before{
    content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:var(--r-lg) var(--r-lg) 0 0;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,.10),transparent);
    pointer-events:none;
  }
  .solid{
    background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:0 18px 44px -34px rgba(0,0,0,.9);
  }
  .plate{
    font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--text-3);
    border:1px solid var(--line);border-radius:999px;padding:2px 9px;white-space:nowrap;
  }
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;letter-spacing:.08em;line-height:18px;
    padding:3px 10px;border-radius:999px;border:1px solid var(--line-strong);color:var(--text-2);
    background:rgba(3,6,10,.55);white-space:nowrap;
  }
  .badge-live{color:var(--live);border-color:rgba(255,77,109,.35);}
  .badge-soon{color:var(--brand);border-color:rgba(61,214,245,.35);}
  .badge-ok{color:var(--ok);border-color:rgba(69,214,160,.35);}

  .section{padding:48px 0;}
  @media (min-width:1024px){ .section{padding:88px 0;} }
  .section-alt{background:var(--bg-alt);}
  .section-head{max-width:760px;margin-bottom:28px;}
  .eyebrow{
    font-size:12px;letter-spacing:.08em;color:var(--brand);margin-bottom:10px;
    font-family:var(--mono);text-transform:uppercase;
  }
  h2.h-sec{font-size:28px;line-height:1.34;font-weight:600;}
  @media (max-width:639px){ h2.h-sec{font-size:22px;line-height:1.4;} }
  .sub{color:var(--text-2);font-size:15px;margin-top:10px;max-width:720px;}

  /* ---------- hero ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    background:
      radial-gradient(60% 70% at 78% 12%, rgba(61,214,245,.08), transparent 70%),
      linear-gradient(180deg,#05090F 0%, #070C14 100%);
    border-bottom:1px solid var(--line);
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
    background-image:linear-gradient(rgba(140,200,255,.5) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(140,200,255,.5) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(70% 70% at 50% 30%, #000 30%, transparent 100%);
    -webkit-mask-image:radial-gradient(70% 70% at 50% 30%, #000 30%, transparent 100%);
  }
  .hero-inner{position:relative;z-index:2;padding:36px 0 44px;}
  @media (min-width:1024px){ .hero-inner{padding:52px 0 72px;} }
  .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap;}
  .crumbs a{color:var(--text-3);}
  .crumbs a:hover{color:var(--brand);}
  .crumbs .sep{color:var(--text-3);opacity:.6;}
  .crumbs .now{color:var(--text-2);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:24px;}
  @media (min-width:1280px){ .hero-grid{grid-template-columns:7fr 5fr;gap:32px;align-items:start;} }
  .hero-title{font-size:28px;line-height:1.32;font-weight:700;letter-spacing:.01em;}
  @media (min-width:640px){ .hero-title{font-size:34px;} }
  @media (min-width:1024px){ .hero-title{font-size:40px;line-height:1.28;} }
  .hero-title .hl{
    color:var(--brand);
    background:linear-gradient(180deg,transparent 62%, rgba(61,214,245,.16) 62%);
    padding:0 2px;
  }
  .hero-lead{color:var(--text-2);font-size:16px;line-height:1.8;margin-top:16px;max-width:720px;}
  .hero-info{
    display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:18px;
    font-size:14px;color:var(--text-2);font-family:var(--mono);
  }
  .hero-info span{display:inline-flex;align-items:center;gap:8px;}
  .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(61,214,245,.8);}
  .dot-accent{background:var(--accent);box-shadow:0 0 10px rgba(255,176,92,.8);}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

  .quote{
    margin-top:26px;padding:18px 22px;border-left:3px solid var(--accent);
    background:rgba(255,176,92,.05);border-radius:0 var(--r-md) var(--r-md) 0;
    color:var(--text-2);font-size:15px;line-height:1.8;max-width:720px;
  }
  .quote strong{color:var(--text);font-weight:600;}

  .hero-visual{padding:16px;border-radius:var(--r-lg);}
  .hero-visual .pic{
    position:relative;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;background:var(--sunken);
  }
  .hero-visual .pic img{width:100%;height:100%;object-fit:cover;}
  .hero-visual .pic::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg, rgba(3,6,10,0) 45%, rgba(3,6,10,.78) 100%);
  }
  .hero-visual .plate{position:absolute;top:12px;right:12px;z-index:3;background:rgba(3,6,10,.72);}
  .hero-visual .badge{position:absolute;top:12px;left:12px;z-index:3;}
  .hv-list{margin-top:16px;display:grid;gap:10px;}
  .hv-item{
    display:flex;gap:12px;align-items:flex-start;
    padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-md);
    background:rgba(3,6,10,.35);font-size:14px;color:var(--text-2);
  }
  .hv-item .k{font-family:var(--mono);color:var(--brand);font-size:13px;flex:0 0 auto;}

  /* ---------- definition list ---------- */
  .def-list{margin-top:8px;}
  .def-row{
    display:grid;grid-template-columns:1fr;gap:8px;
    padding:20px 0;border-top:1px solid var(--line);
  }
  .def-row:last-child{border-bottom:1px solid var(--line);}
  @media (min-width:1024px){
    .def-row{grid-template-columns:4fr 8fr;gap:24px;padding:26px 0;}
  }
  .def-term{display:flex;align-items:baseline;gap:10px;font-size:16px;font-weight:600;color:var(--text);}
  .def-term .num{font-family:var(--mono);font-size:13px;color:var(--text-3);letter-spacing:.06em;}
  .def-body{color:var(--text-2);font-size:15px;line-height:1.82;max-width:760px;}
  .def-body .tip{color:var(--brand);}
  .def-body .warn{color:var(--accent);}

  /* ---------- status rows ---------- */
  .status-list{display:grid;gap:14px;margin-top:24px;}
  .status-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:14px;
    padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-md);
    background:var(--panel-solid);
    transition:border-color .2s var(--ease), transform .2s var(--ease);
  }
  .status-row:hover{border-color:var(--line-strong);transform:translateY(-2px);}
  .status-label{font-size:15px;font-weight:600;min-width:104px;}
  .status-bar{
    flex:1 1 200px;height:6px;border-radius:999px;background:var(--sunken);overflow:hidden;
    border:1px solid rgba(140,200,255,.08);
  }
  .status-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#3DD6F5,#1B8FB8);}
  .status-bar i.is-accent{background:linear-gradient(90deg,#FFB05C,#E08A2E);}
  .status-bar i.is-ok{background:linear-gradient(90deg,#45D6A0,#2FAE7E);}
  .status-val{
    font-family:var(--mono);font-size:13px;color:var(--text-2);
    margin-left:auto;white-space:nowrap;
  }

  /* ---------- compare cards ---------- */
  .compare{display:grid;grid-template-columns:1fr;gap:20px;margin-top:24px;}
  @media (min-width:1024px){ .compare{grid-template-columns:1fr 1fr;gap:24px;} }
  .compare-card{padding:22px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--panel-solid);}
  .compare-card h3{font-size:18px;margin-bottom:6px;display:flex;align-items:center;gap:10px;}
  .compare-card .mark{
    width:22px;height:22px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;
    font-size:13px;font-weight:700;
  }
  .mark-bad{background:rgba(255,77,109,.14);color:var(--live);}
  .mark-good{background:rgba(69,214,160,.14);color:var(--ok);}
  .compare-card p{color:var(--text-2);font-size:14px;margin:4px 0 14px;}
  .compare-card li{
    display:flex;gap:10px;align-items:flex-start;
    padding:11px 0;border-top:1px solid var(--line);font-size:14px;color:var(--text-2);line-height:1.7;
  }
  .compare-card li .k{font-family:var(--mono);font-size:12px;flex:0 0 auto;padding-top:2px;}
  .k-bad{color:var(--live);}
  .k-good{color:var(--ok);}

  /* ---------- accordion ---------- */
  .acc{margin-top:22px;display:grid;gap:12px;}
  .acc-item{
    border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);
    backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
    overflow:hidden;transition:border-color .2s var(--ease);
  }
  .acc-item:hover{border-color:var(--line-strong);}
  .acc-item.is-open{border-color:rgba(61,214,245,.35);}
  .acc-head{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:16px 18px;background:transparent;border:0;cursor:pointer;text-align:left;
    font-size:16px;font-weight:600;color:var(--text);min-height:56px;
  }
  .acc-head .sign{
    flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line-strong);
    display:inline-flex;align-items:center;justify-content:center;color:var(--brand);
    font-family:var(--mono);font-size:15px;line-height:1;
    transition:transform .2s var(--ease), border-color .2s var(--ease);
  }
  .acc-item.is-open .acc-head .sign{transform:rotate(45deg);border-color:var(--brand);}
  .acc-body{
    max-height:0;overflow:hidden;transition:max-height .3s var(--ease);
    padding:0 18px;
  }
  .acc-item.is-open .acc-body{max-height:420px;padding-bottom:18px;}
  .acc-body p{color:var(--text-2);font-size:15px;line-height:1.8;margin:0;}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    padding:30px 22px;
    background:var(--panel);border:1px solid var(--line-strong);
    backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
    box-shadow:var(--shadow-card);
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
    background-image:linear-gradient(rgba(140,200,255,.5) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(140,200,255,.5) 1px, transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(60% 90% at 20% 10%, #000 20%, transparent 100%);
    -webkit-mask-image:radial-gradient(60% 90% at 20% 10%, #000 20%, transparent 100%);
  }
  @media (min-width:1024px){ .cta-band{padding:44px 40px;} }
  .cta-inner{position:relative;z-index:2;display:grid;gap:22px;}
  @media (min-width:1024px){ .cta-inner{grid-template-columns:6fr 6fr;align-items:center;gap:40px;} }
  .cta-band h2{font-size:24px;line-height:1.4;font-weight:600;}
  @media (min-width:1024px){ .cta-band h2{font-size:28px;} }
  .cta-band p{color:var(--text-2);font-size:15px;margin-top:10px;}
  .cta-timer{
    display:flex;align-items:center;gap:12px;margin-top:18px;
    font-size:13px;color:var(--text-3);
  }
  .cta-timer b{
    font-family:var(--mono);font-size:20px;color:var(--accent);font-weight:600;letter-spacing:.06em;
  }
  .sub-form{display:grid;gap:12px;}
  @media (min-width:640px){ .sub-form{grid-template-columns:1fr auto;align-items:center;} }
  .sub-input{
    width:100%;min-height:48px;padding:12px 16px;border-radius:var(--r-btn);
    background:var(--sunken);border:1px solid var(--line);color:var(--text);font-size:15px;
    transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
  }
  .sub-input::placeholder{color:var(--text-3);}
  .sub-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(61,214,245,.16);}
  .sub-input.is-error{border-color:var(--live);box-shadow:0 0 0 4px rgba(255,77,109,.14);}
  .form-msg{font-size:13px;color:var(--text-3);min-height:20px;margin:10px 0 0;}
  .form-msg.is-error{color:var(--live);}
  .form-msg.is-ok{color:var(--ok);}
  .cta-note{font-size:13px;color:var(--text-3);margin-top:8px;}

  /* ---------- footer ---------- */
  .site-footer{
    background:var(--bg-alt);border-top:1px solid var(--line);padding:44px 0 24px;margin-top:0;
  }
  @media (min-width:1024px){ .site-footer{padding:64px 0 28px;} }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:28px;}
  @media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr;} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;} }
  .footer-brand p{color:var(--text-3);font-size:14px;margin-top:12px;max-width:280px;}
  .footer-title{font-size:13px;letter-spacing:.08em;color:var(--text-3);margin-bottom:12px;}
  .footer-links li{margin-bottom:8px;}
  .footer-links a{color:var(--text-2);font-size:14px;}
  .footer-links a:hover{color:var(--brand);}
  .footer-bottom{
    margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;
    font-size:13px;color:var(--text-3);
  }
  .footer-bottom a{color:var(--text-3);}

  /* ---------- mobile tab bar ---------- */
  .tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:calc(56px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(5,9,15,.92);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
    display:grid;grid-template-columns:repeat(5,1fr);
  }
  @media (min-width:1024px){ .tabbar{display:none;} }
  .tab{
    position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;min-height:44px;font-size:10px;color:var(--text-3);letter-spacing:.02em;
  }
  .tab:hover{text-decoration:none;color:var(--text-2);}
  .tab.is-active{color:var(--brand);}
  .tab.is-active::before{
    content:"";position:absolute;top:6px;width:4px;height:4px;border-radius:50%;
    background:var(--brand);box-shadow:0 0 8px rgba(61,214,245,.9);
  }
  .tab svg{width:22px;height:22px;}

  .to-top{
    display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);
    border:1px solid var(--line);border-radius:999px;padding:9px 16px;background:transparent;cursor:pointer;
    transition:border-color .2s var(--ease), color .2s var(--ease);
  }
  .to-top:hover{border-color:var(--brand);color:var(--brand);}

  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category3 */
:root{
  --bg:#05090F;
  --bg-2:#0A1119;
  --sunken:#03060A;
  --panel:#0E1723;
  --glass:rgba(16,26,40,.62);
  --line:rgba(140,200,255,.12);
  --line-2:rgba(140,200,255,.22);
  --hi:rgba(255,255,255,.10);
  --primary:#3DD6F5;
  --primary-deep:#1B8FB8;
  --accent:#FFB05C;
  --live:#FF4D6D;
  --ended:#7C93A8;
  --ok:#45D6A0;
  --text:#E8F1FA;
  --muted:#A9BDD0;
  --weak:#6E8497;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shadow-card:0 24px 60px -32px rgba(0,0,0,.85);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}

.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.wrap{padding:0 24px}}
@media (min-width:1024px){.wrap{padding:0 32px;max-width:1240px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  height:72px;
  background:rgba(5,9,15,.82);
  backdrop-filter:blur(12px) saturate(140%);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;font-size:17px;color:var(--text)}
.logo:hover{color:var(--text)}
.logo-mark{
  width:24px;height:24px;flex:0 0 24px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  clip-path:polygon(0 0,70% 0,100% 28%,100% 100%,0 100%);
  box-shadow:0 0 0 1px rgba(61,214,245,.45),0 6px 18px -8px rgba(61,214,245,.7);
}
.logo-text{white-space:nowrap}
.main-nav{display:none}
@media (min-width:1024px){.main-nav{display:flex;align-items:center;gap:4px}}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(140,200,255,.07)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:24px;height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 12px rgba(61,214,245,.85);
}
.header-actions{display:none;align-items:center;gap:14px}
@media (min-width:1024px){.header-actions{display:flex}}
.header-actions .text-link{font-size:14px;color:var(--weak)}
.header-actions .text-link:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.nav-burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-2);color:var(--text);
}
.nav-burger:hover{border-color:var(--primary);color:var(--primary)}
@media (min-width:1024px){.nav-burger{display:none}}
.mobile-panel{
  display:none;
  position:absolute;left:0;right:0;top:72px;
  background:rgba(5,9,15,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  padding:10px 16px 18px;
}
.mobile-panel.is-open{display:block}
.mobile-panel .nav-link{display:block;padding:14px 12px;font-size:16px}
@media (min-width:1024px){.mobile-panel{display:none !important}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;padding:11px 20px;font-size:15px;font-weight:600;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,#2AA9D6 100%);
  color:#04141C;
  border-radius:999px;
  box-shadow:0 0 0 1px rgba(61,214,245,.45),0 14px 34px -12px rgba(61,214,245,.55);
}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(61,214,245,.6),0 18px 44px -12px rgba(61,214,245,.75);color:#04141C}
.btn-ghost{
  border:1px solid var(--line-2);color:var(--text);background:rgba(255,255,255,.02);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn.is-success{background:var(--ok);color:#03231A;box-shadow:0 0 0 1px rgba(69,214,160,.5),0 14px 30px -14px rgba(69,214,160,.6)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:40px 0 56px;
  background-color:var(--bg);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 18% 6%, rgba(61,214,245,.08) 0%, rgba(61,214,245,0) 62%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:1;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(140,200,255,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140,200,255,.06) 1px, transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse at 20% 0%, #000 0%, transparent 72%);
  mask-image:radial-gradient(ellipse at 20% 0%, #000 0%, transparent 72%);
}
.hero-inner{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:22px}
.crumb a{color:var(--weak)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:rgba(140,200,255,.35)}
.crumb .current{color:var(--muted)}
.hero-grid{display:grid;gap:28px}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;line-height:18px;
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--muted);background:rgba(255,255,255,.02);
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px rgba(61,214,245,.9)}
h1.hero-title{
  font-size:28px;line-height:1.32;font-weight:700;letter-spacing:.01em;
  margin:18px 0 14px;
}
@media (min-width:768px){h1.hero-title{font-size:40px;line-height:1.2}}
.hero-title em{font-style:normal;color:var(--primary)}
.hero-sub{color:var(--muted);font-size:15px;line-height:1.85;max-width:46em}
@media (min-width:768px){.hero-sub{font-size:16px;line-height:1.9}}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;font-size:13px;color:var(--weak)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta b{font-family:var(--font-mono);color:var(--accent);font-weight:600;letter-spacing:.02em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

.glass-card{
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  border-top-color:var(--hi);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  padding:22px;
}
.hero-aside .glass-card + .glass-card{margin-top:18px}
.card-title{font-size:13px;letter-spacing:.08em;color:var(--weak);text-transform:uppercase}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px;text-align:center}
.cd-cell{background:var(--sunken);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 6px}
.cd-num{font-family:var(--font-mono);font-size:32px;line-height:1.1;color:var(--accent);font-weight:600;letter-spacing:.02em}
@media (min-width:1024px){.cd-num{font-size:44px}}
.cd-label{font-size:12px;color:var(--weak);margin-top:6px}
.cd-note{font-size:13px;color:var(--muted);margin-top:14px}
.cd-note b{color:var(--text);font-weight:600}
.hero-list{margin-top:14px;display:grid;gap:2px}
.hero-list li{
  display:flex;align-items:center;gap:12px;
  padding:12px 4px;border-bottom:1px solid rgba(140,200,255,.08);
  transition:transform .2s var(--ease);
}
.hero-list li:last-child{border-bottom:0}
.hero-list li:hover{transform:translateX(4px)}
.hero-list .idx{font-family:var(--font-mono);font-size:12px;color:var(--weak);flex:0 0 24px;transition:color .2s var(--ease)}
.hero-list li:hover .idx{color:var(--primary)}
.hero-list .txt{flex:1;font-size:14px;color:var(--muted)}
.hero-list li:hover .txt{color:var(--text)}
.hero-list .arrow{color:var(--weak);font-size:14px}

/* ---------- sections ---------- */
.section{padding:48px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-tag{font-size:12px;letter-spacing:.08em;color:var(--primary);font-family:var(--font-mono)}
h2.sec-title{font-size:22px;line-height:1.35;font-weight:600;margin:10px 0 12px}
@media (min-width:768px){h2.sec-title{font-size:28px;line-height:1.32}}
.sec-desc{color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;gap:26px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:1px;
  background:linear-gradient(180deg,rgba(61,214,245,.55) 0%,rgba(140,200,255,.16) 60%,rgba(140,200,255,.06) 100%);
}
.tl-item{position:relative;display:grid;grid-template-columns:40px 1fr;gap:16px}
@media (min-width:768px){.tl-item{grid-template-columns:56px 1fr;gap:24px}.timeline::before{left:27px}}
.tl-node{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg);
  border:1px solid rgba(61,214,245,.45);
  box-shadow:0 0 0 4px rgba(61,214,245,.06);
  font-family:var(--font-mono);font-size:13px;color:var(--primary);font-weight:600;
}
@media (min-width:768px){.tl-node{width:56px;height:56px;font-size:15px}}
.tl-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-top-color:var(--hi);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:20px 22px;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.tl-card h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px}
@media (min-width:768px){.tl-card h3{font-size:20px}}
.tl-card p{color:var(--muted);font-size:15px;line-height:1.85}
.tl-media{margin-top:16px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--sunken);aspect-ratio:16/9}
.tl-media img{width:100%;height:100%;object-fit:cover}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  font-size:12px;line-height:18px;letter-spacing:.06em;
  padding:4px 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);
}
.tag.is-primary{border-color:rgba(61,214,245,.4);color:var(--primary)}
.tag.is-accent{border-color:rgba(255,176,92,.4);color:var(--accent)}

/* ---------- status rows ---------- */
.status-list{display:grid;gap:12px;margin-top:8px}
.status-row{
  display:grid;grid-template-columns:1fr;gap:10px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
@media (min-width:768px){.status-row{grid-template-columns:150px 1fr 150px;align-items:center;gap:18px}}
.status-row:hover{border-color:var(--line-2);transform:translateY(-2px)}
.status-label{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text);font-weight:600}
.dot{width:8px;height:8px;border-radius:50%;flex:0 0 8px}
.dot-cyan{background:var(--primary);box-shadow:0 0 10px rgba(61,214,245,.85)}
.dot-red{background:var(--live);box-shadow:0 0 10px rgba(255,77,109,.85)}
.dot-gray{background:var(--ended)}
.dot-green{background:var(--ok);box-shadow:0 0 10px rgba(69,214,160,.85)}
.status-track{height:6px;border-radius:999px;background:var(--sunken);overflow:hidden;border:1px solid var(--line)}
.status-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary-deep),var(--primary))}
.status-fill.is-accent{background:linear-gradient(90deg,#8A5A24,var(--accent))}
.status-fill.is-gray{background:linear-gradient(90deg,#3B4A59,var(--ended))}
.status-value{font-size:13px;color:var(--weak);font-family:var(--font-mono)}

/* ---------- info cards ---------- */
.info-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.info-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.info-grid{grid-template-columns:repeat(3,1fr)}}
.info-card{
  position:relative;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;
}
.info-card::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:1px;
  background:linear-gradient(90deg,rgba(61,214,245,.6),rgba(61,214,245,0));
  opacity:0;transition:opacity .2s var(--ease);
}
.info-card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.info-card:hover::before{opacity:1}
.info-card h3{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px}
.info-card p{font-size:14px;line-height:1.85;color:var(--muted)}
.plate{
  position:absolute;top:16px;right:18px;
  font-family:var(--font-mono);font-size:12px;color:var(--weak);
  border:1px solid var(--line);border-radius:6px;padding:1px 7px;
}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq-item:hover{border-color:var(--line-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-item.is-open{border-color:rgba(61,214,245,.35)}
.faq-a{padding:0 20px 20px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{padding:48px 0}
@media (min-width:1024px){.cta-band{padding:88px 0}}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-top-color:var(--hi);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  padding:28px 22px;
}
@media (min-width:768px){.cta-card{padding:44px}}
.cta-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(140,200,255,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140,200,255,.06) 1px, transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(ellipse at 80% 20%, #000 0%, transparent 70%);
  mask-image:radial-gradient(ellipse at 80% 20%, #000 0%, transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:26px}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr 420px;align-items:center;gap:40px}}
.cta-card h2{font-size:22px;font-weight:600;line-height:1.4;margin-bottom:12px}
@media (min-width:768px){.cta-card h2{font-size:28px}}
.cta-card p{color:var(--muted);font-size:15px;line-height:1.85}
.subscribe-form{display:grid;gap:12px;margin-top:6px}
@media (min-width:520px){.subscribe-form{grid-template-columns:1fr auto}}
.subscribe-form input{
  width:100%;background:var(--sunken);
  border:1px solid var(--line);border-radius:var(--r-sm);
  padding:13px 16px;color:var(--text);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe-form input::placeholder{color:var(--weak)}
.subscribe-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(61,214,245,.16)}
.subscribe-form input.is-error{border-color:var(--live);box-shadow:0 0 0 4px rgba(255,77,109,.14)}
.form-msg{font-size:13px;color:var(--weak);min-height:20px}
.form-msg.is-error{color:var(--live)}
.form-msg.is-ok{color:var(--ok)}
.cta-timer{font-family:var(--font-mono);font-size:13px;color:var(--accent);margin-top:10px}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:48px 0 24px;
  margin-top:0;
}
.footer-grid{display:grid;gap:30px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{color:var(--weak);font-size:14px;line-height:1.8;max-width:24em}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--text);margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;
  font-size:13px;color:var(--weak);
}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- tabbar ---------- */
.tabbar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(5,9,15,.92);
  backdrop-filter:blur(12px) saturate(140%);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  border-top:1px solid var(--line);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);height:56px}
.tab{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-width:44px;min-height:44px;
  font-size:10px;color:var(--weak);position:relative;
  transition:color .2s var(--ease);
}
.tab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tab:hover{color:var(--muted)}
.tab.is-active{color:var(--primary)}
.tab.is-active::before{
  content:"";position:absolute;top:2px;width:14px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(61,214,245,.9);
}
@media (max-width:1023px){
  .tabbar{display:block}
  body{padding-bottom:76px}
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:16px;bottom:20px;z-index:85;
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--line-2);color:var(--muted);
  box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--primary);border-color:var(--primary)}
@media (max-width:1023px){.to-top{bottom:78px}}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .info-card:hover,.tl-card:hover,.status-row:hover{transform:none}
}