/* roulang page: index */
:root{
  --dark-bg:#0A0D12;
  --dark-card:#111722;
  --dark-hover:#182030;
  --light-bg:#F5F7FA;
  --light-card:#FFFFFF;
  --line:#E3E8EF;
  --neo:#22E39A;
  --neo-deep:#0FB87A;
  --orange:#FF5A2D;
  --purple:#7A5CFF;
  --t-dark:#E6EDF5;
  --t-dark-2:#93A1B5;
  --t-light:#0F1620;
  --t-light-2:#5A6779;
  --r-card:14px;
  --r-btn:10px;
  --r-img:14px;
  --line-dark:1px solid rgba(255,255,255,.07);
  --shadow-light:0 6px 24px rgba(15,22,32,.06);
  --shadow-light-hover:0 14px 34px rgba(15,22,32,.12);
  --shadow-dark:0 14px 34px rgba(0,0,0,.45);
  --container:1200px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Barlow Semi Condensed","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:var(--font-cn);
  font-size:16px;line-height:1.8;
  color:var(--t-light);background:var(--light-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:inherit}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--neo);outline-offset:3px}
.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.row{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.col{padding-left:12px;padding-right:12px}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--dark-bg);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-fixed{box-shadow:0 12px 30px rgba(0,0,0,.5);background:#070A0F}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:19px;font-weight:700;color:#04120C;
  background:linear-gradient(135deg,var(--neo),#0FB87A);
  box-shadow:0 0 16px rgba(34,227,154,.35);
}
.brand-text{font-size:19px;font-weight:700;color:#fff;white-space:nowrap;letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{
  position:relative;font-size:15px;color:#C7D2E0;padding:23px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--neo);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--neo);text-shadow:0 0 12px rgba(34,227,154,.45)}
.main-nav a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:10px;color:#C7D2E0;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);
  transition:all .25s ease;
}
.icon-btn:hover{color:var(--neo);border-color:rgba(34,227,154,.45)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:10px;color:#fff;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;font-size:17px;
}
.drawer,.drawer-mask{display:none}
.drawer-mask{position:fixed;inset:0;background:rgba(4,7,10,.7);z-index:90;backdrop-filter:blur(2px)}
.drawer{
  position:fixed;inset:0;z-index:100;background:var(--dark-bg);
  padding:22px;flex-direction:column;overflow-y:auto;
}
.drawer.open{display:flex}
.drawer-mask.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-nav{margin-top:12px}
.drawer-nav a{
  display:block;padding:18px 4px;font-size:18px;color:#DCE5F0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a.active{color:var(--neo)}
.drawer-cta{margin-top:24px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.3px;
  border:1px solid transparent;transition:all .25s ease;white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,90,45,.28)}
.btn-primary:hover{background:#F04A1C;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,90,45,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-neo{background:rgba(34,227,154,.12);color:var(--neo);border-color:rgba(34,227,154,.5)}
.btn-neo:hover{background:rgba(34,227,154,.2);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--t-dark);border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{border-color:var(--neo);color:var(--neo)}
.btn-light{background:#fff;color:var(--t-light);border-color:var(--line);box-shadow:var(--shadow-light)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-light-hover);border-color:#cdd7e3}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ===== 徽章 / 标签 ===== */
.status-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.status-badge .dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.status-upcoming{background:rgba(34,227,154,.12);border:1px solid rgba(34,227,154,.45);color:var(--neo)}
.status-upcoming .dot{background:var(--neo);box-shadow:0 0 10px var(--neo)}
.status-live{background:rgba(255,90,45,.14);border:1px solid rgba(255,90,45,.5);color:#FF8A66}
.status-live .dot{background:var(--orange);animation:pulse 1.6s infinite}
.status-over{background:rgba(147,161,181,.12);border:1px solid rgba(147,161,181,.32);color:var(--t-dark-2)}
.status-over .dot{background:var(--t-dark-2)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.tag{
  display:inline-block;padding:3px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:rgba(15,184,122,.1);color:var(--neo-deep);border:1px solid rgba(15,184,122,.22);
}
.tag-purple{background:rgba(122,92,255,.1);color:#5B3FE0;border-color:rgba(122,92,255,.22)}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--neo-deep);margin-bottom:10px;text-transform:uppercase;
}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;padding:76px 0 84px;
  background:
    radial-gradient(1000px 460px at 82% 8%, rgba(34,227,154,.12), transparent 62%),
    radial-gradient(680px 380px at 8% 92%, rgba(255,90,45,.10), transparent 64%),
    linear-gradient(rgba(10,13,18,.93), rgba(10,13,18,.97)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:var(--t-dark);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(34,227,154,0),rgba(34,227,154,.65),rgba(255,90,45,.5),rgba(255,90,45,0));
}
.hero-grid{align-items:center}
.hero-copy h1{
  font-size:clamp(28px,4.4vw,50px);line-height:1.22;color:#fff;margin:20px 0 18px;
  letter-spacing:.3px;
}
.hero-sub{font-size:17px;color:var(--t-dark-2);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:34px}
.hero-metrics li{min-width:104px}
.hero-metrics .num{
  display:block;font-family:var(--font-num);font-size:26px;font-weight:700;
  color:var(--neo);font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.hero-metrics .lbl{font-size:13px;color:var(--t-dark-2)}
.hero-media{
  position:relative;margin:0;border-radius:16px;overflow:hidden;
  border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-dark);
  background:var(--dark-card);aspect-ratio:16/9;
}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.78}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,18,.15),rgba(10,13,18,.65));
}
.media-badge{
  position:absolute;top:16px;left:16px;z-index:3;
  padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(10,13,18,.78);border:1px solid rgba(34,227,154,.5);
  color:var(--neo);font-variant-numeric:tabular-nums;
}
.play-btn{
  position:absolute;right:20px;bottom:20px;z-index:3;
  width:58px;height:58px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;
  background:rgba(10,13,18,.5);border:2px solid rgba(255,255,255,.85);
  transition:all .3s ease;
}
.play-btn:hover{background:var(--orange);border-color:var(--orange);transform:scale(1.06)}

/* ===== 板块通用 ===== */
.section{padding:84px 0}
.section-dark{background:var(--dark-bg);color:var(--t-dark)}
.section-light{background:var(--light-bg)}
.section-white{background:#fff}
.divider-neon{
  height:1px;
  background:linear-gradient(90deg,rgba(34,227,154,0),rgba(34,227,154,.6),rgba(255,90,45,.45),rgba(255,90,45,0));
}
.section-head{
  display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;
  margin-bottom:44px;
}
.section-head h2{font-size:clamp(23px,2.6vw,32px);letter-spacing:.3px}
.section-head p{margin:10px 0 0;font-size:15.5px;color:var(--t-light-2);max-width:620px}
.section-dark .section-head p{color:var(--t-dark-2)}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--neo-deep);
}
.link-more i{transition:transform .25s ease}
.link-more:hover i{transform:translateX(4px)}

/* ===== 倒计时 ===== */
.countdown-panel{
  background:linear-gradient(180deg,var(--dark-card),#0D131C);
  border:var(--line-dark);border-radius:18px;padding:34px;
  display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
}
.countdown-grid{display:flex;gap:14px}
.cd-cell{
  width:96px;padding:14px 8px;text-align:center;
  background:#0C1119;border:1px solid rgba(34,227,154,.35);border-radius:12px;
}
.cd-cell .cd-num{
  display:block;font-family:var(--font-num);font-size:44px;font-weight:700;line-height:1;
  color:var(--neo);font-variant-numeric:tabular-nums;letter-spacing:1px;
}
.cd-cell .cd-lbl{display:block;margin-top:8px;font-size:12.5px;color:var(--t-dark-2);letter-spacing:1px}
.cd-cell.is-live{border-color:rgba(255,90,45,.6);animation:breathe 2.4s ease-in-out infinite}
.cd-cell.is-live .cd-num{color:var(--orange)}
.cd-cell.is-over{border-color:rgba(147,161,181,.25);filter:saturate(.35)}
@keyframes breathe{0%,100%{box-shadow:0 0 0 rgba(255,90,45,0)}50%{box-shadow:0 0 18px rgba(255,90,45,.28)}}
.countdown-info{flex:1;min-width:260px}
.countdown-info h2{font-size:24px;color:#fff;margin-bottom:12px}
.cd-meta{display:flex;flex-wrap:wrap;gap:20px;color:var(--t-dark-2);font-size:14px}
.cd-meta span{display:inline-flex;align-items:center;gap:8px}
.cd-meta i{color:var(--neo)}

/* ===== 看点时间轴 ===== */
.timeline{position:relative;padding-left:38px}
.timeline::before{
  content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--neo),rgba(34,227,154,.05));
}
.timeline-item{position:relative;padding:0 0 30px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item .node{
  position:absolute;left:-38px;top:2px;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;font-weight:700;
  color:var(--neo);background:var(--dark-card);
  border:2px solid rgba(34,227,154,.55);
  transition:all .28s ease;
}
.timeline-item h3{font-size:20px;color:#fff;margin-bottom:8px;transition:color .28s ease}
.timeline-item p{color:var(--t-dark-2);font-size:15px;margin-bottom:10px}
.timeline-item:hover .node{background:var(--neo);color:#04120C}
.timeline-item:hover h3{color:var(--neo)}

/* ===== 订阅表单 ===== */
.subscribe-panel{
  background:linear-gradient(180deg,#111722,#0C1119);
  border:var(--line-dark);border-radius:18px;padding:36px;
}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.chip{
  min-height:42px;padding:0 20px;border-radius:999px;font-size:14.5px;font-weight:600;
  color:var(--t-dark-2);background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.14);transition:all .25s ease;
}
.chip:hover{color:#fff;border-color:rgba(34,227,154,.45)}
.chip.active{background:var(--neo);color:#04120C;border-color:var(--neo)}
.field-row{display:flex;flex-wrap:wrap;gap:14px}
.field-row input{
  flex:1;min-width:230px;min-height:50px;padding:0 18px;border-radius:var(--r-btn);
  background:#0A0E15;border:1px solid rgba(255,255,255,.14);
  color:var(--t-dark);transition:all .25s ease;
}
.field-row input::placeholder{color:#6B7789}
.field-row input:focus{outline:none;border-color:var(--neo);box-shadow:0 0 0 3px rgba(34,227,154,.18)}
.field-row input.has-error{border-color:#FF4D4D;box-shadow:0 0 0 3px rgba(255,77,77,.14)}
.form-note{font-size:13px;color:var(--t-dark-2);margin-top:14px}
.form-error{display:none;margin-top:12px;font-size:13px;color:#FF7A7A}
.form-error.show{display:block}
.form-success{
  display:none;align-items:center;gap:14px;margin-top:20px;
  padding:18px 20px;border-radius:12px;
  background:rgba(34,227,154,.08);border:1px solid rgba(34,227,154,.4);
}
.form-success.show{display:flex}
.form-success i{font-size:22px;color:var(--neo)}
.form-success strong{display:block;color:#fff;font-size:15.5px}
.form-success span{font-size:13.5px;color:var(--t-dark-2)}

/* ===== 资讯列表 ===== */
.news-list{display:flex;flex-direction:column;gap:18px}
.news-item{
  position:relative;display:flex;gap:22px;align-items:center;
  background:var(--light-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--shadow-light);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-light-hover);border-color:#CFDAE7}
.news-thumb{
  flex:0 0 220px;aspect-ratio:22/14;border-radius:12px;overflow:hidden;background:#E8EDF4;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-item:hover .news-thumb img{transform:scale(1.04)}
.news-body{flex:1;min-width:0}
.news-body h3{font-size:19px;margin:10px 0 8px;color:var(--t-light)}
.news-body h3 a:hover{color:var(--neo-deep)}
.news-body p{
  font-size:14.5px;color:var(--t-light-2);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--t-light-2)}
.news-meta i{margin-right:6px}
.news-arrow{
  flex:0 0 42px;height:42px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--t-light-2);
  transition:all .3s ease;
}
.news-item:hover .news-arrow{color:#fff;background:var(--neo-deep);border-color:var(--neo-deep);transform:translateX(4px)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border:1px dashed #CBD6E3;border-radius:var(--r-card);
  background:#FBFCFE;color:var(--t-light-2);text-align:center;
}
.empty-state i{font-size:30px;color:#9FB0C4}
.empty-state p{margin:0;font-size:15px}

/* ===== 回放与入口 ===== */
.replay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.replay-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-light);
  transition:transform .3s ease,box-shadow .3s ease;
}
.replay-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-light-hover)}
.replay-thumb{position:relative;aspect-ratio:16/9;background:#E8EDF4;overflow:hidden}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.replay-card:hover .replay-thumb img{transform:scale(1.05)}
.duration{
  position:absolute;right:10px;bottom:10px;padding:3px 9px;border-radius:6px;
  font-size:12px;font-weight:600;color:#fff;background:rgba(10,13,18,.78);
  font-variant-numeric:tabular-nums;
}
.replay-play{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:20px;opacity:0;transition:opacity .3s ease;
  background:rgba(10,13,18,.35);
}
.replay-card:hover .replay-play{opacity:1}
.replay-body{padding:18px 20px 22px}
.replay-body h3{font-size:17px;margin-bottom:8px}
.replay-body .date{font-size:13px;color:var(--t-light-2)}
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.entry-card{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;border-radius:var(--r-card);
  background:#fff;border:1px solid var(--line);
  transition:all .3s ease;
}
.entry-card:hover{border-color:rgba(15,184,122,.5);transform:translateY(-2px);box-shadow:var(--shadow-light)}
.entry-icon{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(15,184,122,.1);color:var(--neo-deep);font-size:16px;
}
.entry-card strong{display:block;font-size:15.5px;font-weight:600}
.entry-card span{font-size:13px;color:var(--t-light-2)}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion{background:transparent;border:0;margin:0}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:10px;overflow:hidden;box-shadow:none;
}
.accordion-title{
  display:block;position:relative;
  padding:18px 56px 18px 22px;
  font-size:17px;font-weight:600;color:var(--t-light);
  background:#fff;border:0;transition:color .25s ease,background .25s ease;
}
.accordion-title:hover{color:var(--neo-deep);background:#FBFDFF}
.accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;
  transform:translateY(-50%);transform-origin:center;
  font-size:22px;font-weight:400;color:var(--neo-deep);line-height:1;
  transition:transform .3s ease;
}
.accordion-title[aria-expanded="true"]::before{transform:translateY(-50%) rotate(45deg)}
.accordion-content{
  padding:0 22px 20px;background:#F8FAFC;
  border-top:1px dashed var(--line);color:var(--t-light-2);font-size:15px;
}
.accordion-content p:last-child{margin-bottom:0}

/* ===== CTA 条 ===== */
.cta-band{
  background:linear-gradient(120deg,#0D131C,#121A26);
  border:1px solid rgba(34,227,154,.35);
  box-shadow:inset 0 0 40px rgba(34,227,154,.06);
  border-radius:18px;padding:36px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:clamp(20px,2.3vw,27px);color:#fff;margin-bottom:8px}
.cta-band p{margin:0;color:var(--t-dark-2);font-size:15px}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark-bg);color:var(--t-dark-2);position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(34,227,154,0),rgba(34,227,154,.7),rgba(255,90,45,.55),rgba(255,90,45,0));
}
.footer-main{padding:64px 0 44px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.5px}
.footer-col p{font-size:14px;line-height:1.9;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--t-dark-2)}
.footer-col ul a:hover{color:var(--neo)}
.footer-sub{display:flex;gap:10px;margin-top:14px}
.footer-sub input{
  flex:1;min-height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:#0C1119;border:1px solid rgba(255,255,255,.14);color:var(--t-dark);
}
.footer-sub input:focus{outline:none;border-color:var(--neo);box-shadow:0 0 0 3px rgba(34,227,154,.16)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;font-size:13px;
}
.footer-bottom a:hover{color:var(--neo)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--t-dark-2);font-size:13px;
}
.to-top:hover{color:var(--neo)}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .nav-right .btn-sm{display:none}
  .hero{padding:56px 0 62px}
  .section{padding:64px 0}
  .replay-grid{grid-template-columns:repeat(2,1fr)}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:18px;padding-right:18px}
  .brand-text{font-size:16.5px}
  .hero{padding:44px 0 52px}
  .hero-sub{font-size:15.5px}
  .hero-metrics{gap:22px}
  .countdown-panel{padding:24px 18px}
  .cd-cell{width:auto;flex:1;min-width:0;padding:12px 4px}
  .cd-cell .cd-num{font-size:32px}
  .cd-cell .cd-lbl{font-size:11px;letter-spacing:0}
  .countdown-grid{width:100%;gap:8px}
  .section{padding:52px 0}
  .section-head{margin-bottom:30px}
  .subscribe-panel{padding:24px 18px}
  .news-item{flex-direction:column;align-items:stretch;gap:14px}
  .news-thumb{flex:none;width:100%}
  .news-arrow{display:none}
  .replay-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .cta-band{padding:26px 20px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .timeline{padding-left:32px}
}
@media screen and (max-width:400px){
  .cd-cell .cd-num{font-size:27px}
  .cd-cell .cd-lbl{font-size:10px}
}

/* roulang page: article */
:root{
  --ink-900:#0A0D12;
  --ink-800:#111722;
  --ink-700:#182030;
  --mist:#F5F7FA;
  --white:#FFFFFF;
  --line:#E3E8EF;
  --neon:#22E39A;
  --neon-deep:#0FB87A;
  --orange:#FF5A2D;
  --violet:#7A5CFF;
  --tx-dark:#E6EDF5;
  --tx-dim:#93A1B5;
  --tx:#0F1620;
  --tx-soft:#5A6779;
  --r-card:14px;
  --r-btn:10px;
  --r-img:14px;
  --sh-card:0 6px 24px rgba(15,22,32,.06);
  --sh-hover:0 14px 34px rgba(15,22,32,.12);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--tx);
  background:var(--mist);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--neon-deep);text-decoration:none;background:transparent}
a:hover{color:var(--neon-deep)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px}
.grid-container.full{padding:0}
::selection{background:rgba(34,227,154,.28)}
:focus-visible{outline:3px solid rgba(34,227,154,.55);outline-offset:2px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink-900);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-stuck{
  background:rgba(10,13,18,.96);
  box-shadow:0 12px 30px rgba(0,0,0,.42);
  backdrop-filter:blur(10px);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:70px}
.logo{display:flex;align-items:center;gap:10px;white-space:nowrap;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--neon),var(--neon-deep));
  color:#04150E;font-weight:800;font-size:16px;
  box-shadow:0 0 18px rgba(34,227,154,.35);
}
.brand-text{color:#fff;font-size:19px;font-weight:700;letter-spacing:.4px}
.main-nav{display:flex;gap:4px;margin-left:14px}
.main-nav a{
  position:relative;display:block;color:#C7D2E0;font-size:15px;
  padding:10px 14px;border-radius:8px;transition:color .2s ease,background .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--neon);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--neon);text-shadow:0 0 12px rgba(34,227,154,.45)}
.main-nav a.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.14);
  background:transparent;color:#C7D2E0;cursor:pointer;transition:.2s ease;
}
.nav-search:hover{color:#fff;border-color:rgba(34,227,154,.6)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);background:transparent;color:#fff;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--neon);color:var(--neon)}
.nav-drawer{
  position:fixed;inset:70px 0 0 0;z-index:79;background:var(--ink-900);
  padding:18px 20px 28px;display:flex;flex-direction:column;
  transform:translateY(-12px);opacity:0;visibility:hidden;transition:.28s ease;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.nav-drawer a.d-item{
  display:flex;align-items:center;justify-content:space-between;
  color:var(--tx-dark);font-size:20px;font-weight:600;padding:18px 4px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.nav-drawer a.d-item i{color:var(--neon);font-size:14px}
.nav-drawer a.d-item:hover{color:var(--neon)}
.nav-drawer .btn{margin-top:22px;width:100%;justify-content:center}
body.drawer-open{overflow:hidden}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;padding:13px 22px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  min-height:44px;text-decoration:none;
}
.btn-neo{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,90,45,.28)}
.btn-neo:hover{background:#ff7346;color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,90,45,.34)}
.btn-neo:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--neon);border-color:rgba(34,227,154,.55)}
.btn-ghost:hover{background:rgba(34,227,154,.12);color:var(--neon);border-color:var(--neon)}
.btn-line{background:transparent;color:var(--ink-900);border-color:var(--line)}
.btn-line:hover{border-color:var(--neon-deep);color:var(--neon-deep);background:#fff;box-shadow:var(--sh-card)}
.btn-sm{padding:10px 16px;font-size:14px;min-height:40px}

/* ============ 文章页头 ============ */
.article-hero{
  position:relative;padding:34px 0 46px;color:var(--tx-dark);
  background:var(--ink-900) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(10,13,18,.95) 0%,rgba(10,13,18,.88) 52%,rgba(17,23,34,.74) 100%);
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(34,227,154,.9),rgba(255,90,45,.7) 48%,rgba(34,227,154,0));
}
.article-hero .grid-container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--tx-dim);margin-bottom:22px}
.breadcrumb a{color:#C7D2E0}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb span.sep{color:rgba(147,161,181,.5)}
.breadcrumb .current{color:var(--neon)}
.article-head{max-width:900px}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:6px 13px;border-radius:999px;letter-spacing:.3px;
}
.badge-neon{background:rgba(34,227,154,.14);color:var(--neon);border:1px solid rgba(34,227,154,.4)}
.article-head h1{
  font-size:40px;line-height:1.3;color:#fff;margin:16px 0 18px;letter-spacing:.3px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--tx-dim)}
.article-meta i{color:var(--neon);margin-right:6px}

/* ============ 主体布局 ============ */
.article-main{padding:52px 0 76px}
.article-layout{display:flex;flex-wrap:wrap;margin-left:-14px;margin-right:-14px}
.article-layout > .cell{padding-left:14px;padding-right:14px}
.paper{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:38px 40px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--tx);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:30px;line-height:1.35;margin:42px 0 16px;padding-left:16px;
  border-left:4px solid var(--neon-deep);
}
.article-body h3{font-size:21px;margin:30px 0 12px;color:var(--ink-900)}
.article-body h4{font-size:18px;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:10px}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:#F1FBF6;
  border-left:4px solid var(--neon);border-radius:0 12px 12px 0;color:#0B3B2A;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto;box-shadow:var(--sh-card)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--tx-soft);text-align:center;margin-top:10px}
.article-body a{color:var(--neon-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--orange)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:var(--mist);font-weight:600}
.article-body tr:nth-child(even) td{background:#FAFCFE}
.article-body code{background:#F0F3F7;padding:2px 7px;border-radius:6px;font-size:14.5px}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0}
.empty-state{text-align:center;padding:26px 10px 10px}
.empty-state .empty-ico{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;background:var(--mist);color:var(--neon-deep);font-size:24px;
}
.empty-state h2{font-size:24px;margin-bottom:12px}
.empty-state p{color:var(--tx-soft);font-size:15.5px;max-width:520px;margin:0 auto 24px}

/* 标签与分享 */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:26px;padding:20px 22px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);
}
.tag-row .tag-label{font-size:13.5px;color:var(--tx-soft);margin-right:4px}
.tag{
  font-size:13.5px;padding:7px 14px;border-radius:999px;
  background:var(--mist);border:1px solid var(--line);color:var(--tx-soft);transition:.2s ease;
}
.tag:hover{border-color:var(--neon-deep);color:var(--neon-deep);background:#F1FBF6}
.share-group{margin-left:auto;display:flex;align-items:center;gap:8px}
.share-group span{font-size:13.5px;color:var(--tx-soft)}
.share-group button{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--tx-soft);cursor:pointer;transition:.2s ease;
}
.share-group button:hover{border-color:var(--neon-deep);color:var(--neon-deep);transform:translateY(-2px)}

/* 文章导航 */
.post-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.post-nav .btn{flex:1 1 220px}

/* 相关推荐 */
.related{margin-top:52px}
.sec-head{margin-bottom:24px}
.sec-head h2{font-size:30px;color:var(--ink-900)}
.sec-head p{margin-top:8px;color:var(--tx-soft);font-size:15px}
.mini-card{
  display:flex;flex-direction:column;height:100%;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-card);transition:transform .3s ease,box-shadow .3s ease;color:inherit;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);color:inherit}
.mini-thumb{position:relative;aspect-ratio:16/9;background:#E9EDF3;overflow:hidden;display:block}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.mini-card:hover .mini-thumb img{transform:scale(1.05)}
.mini-card h3{font-size:19px;margin:18px 20px 8px}
.mini-card p{font-size:14.5px;color:var(--tx-soft);margin:0 20px 16px;line-height:1.75}
.mini-more{
  margin:auto 20px 20px;font-size:14px;font-weight:600;color:var(--neon-deep);
  display:inline-flex;align-items:center;gap:6px;
}
.mini-card:hover .mini-more i{transform:translateX(4px)}
.mini-more i{transition:transform .25s ease}

/* FAQ */
.faq-block{margin-top:56px}
.accordion{background:transparent;border:0;margin:0}
.accordion-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;
  margin-bottom:10px;overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.accordion-item.is-active{background:#F7FAFF;border-color:#D6E2F0}
.accordion-title{
  display:block;position:relative;font-size:17px;font-weight:600;color:var(--tx);
  padding:17px 54px 17px 20px;border:0;transition:color .2s ease;
}
.accordion-title:hover{color:var(--neon-deep)}
.accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--neon-deep);transition:transform .25s ease;
}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.accordion-content{padding:0 20px 20px;font-size:15.5px;line-height:1.85;color:var(--tx-soft);border:0;background:transparent}

/* 侧栏 */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 24px;box-shadow:var(--sh-card);
}
.side-card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--neon-deep);font-size:15px}
.toc-list a{
  display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--tx-soft);
  padding:9px 0;border-bottom:1px dashed var(--line);transition:.2s ease;
}
.toc-list li:last-child a{border-bottom:0}
.toc-list a:hover{color:var(--neon-deep);padding-left:4px}
.toc-list a i{font-size:11px;color:var(--neon)}
.side-card.dark{
  background:linear-gradient(160deg,var(--ink-800),var(--ink-900));
  border-color:rgba(255,255,255,.08);color:var(--tx-dark);
}
.side-card.dark h3{color:#fff}
.side-card.dark p{color:var(--tx-dim);font-size:14px;line-height:1.75;margin-bottom:16px}
.sub-form{display:flex;gap:8px}
.sub-form input{
  flex:1;min-width:0;height:46px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);
  color:#fff;padding:0 14px;font-size:14.5px;transition:.2s ease;
}
.sub-form input::placeholder{color:#7C8AA0}
.sub-form input:focus{border-color:var(--neon);box-shadow:0 0 0 3px rgba(34,227,154,.22);outline:none}
.sub-form input.is-invalid{border-color:#FF5F56;box-shadow:0 0 0 3px rgba(255,95,86,.2)}
.side-card .form-msg{font-size:13px;margin-top:10px;color:var(--tx-dim)}
.side-card .form-msg.is-ok{color:var(--neon)}
.side-card .form-msg.is-error{color:#FF8A82}
.quick-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;color:var(--tx);padding:11px 0;border-bottom:1px solid var(--line);
}
.quick-links li:last-child a{border-bottom:0}
.quick-links a:hover{color:var(--neon-deep)}
.quick-links a i{color:var(--neon-deep);font-size:12px;transition:transform .25s ease}
.quick-links a:hover i{transform:translateX(4px)}

/* CTA 条 */
.cta-bar{padding:0 0 84px}
.cta-inner{
  background:linear-gradient(120deg,var(--ink-800) 0%,var(--ink-900) 100%);
  border:1px solid rgba(34,227,154,.32);border-radius:18px;
  padding:34px 36px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  box-shadow:inset 0 0 40px rgba(34,227,154,.07);
  position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;top:-60px;right:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,227,154,.18),transparent 68%);
}
.cta-inner h2{font-size:27px;color:#fff;position:relative;z-index:1}
.cta-inner p{color:var(--tx-dim);font-size:15px;margin-top:8px;position:relative;z-index:1}
.cta-inner .btn{margin-left:auto;position:relative;z-index:1}

/* 弹窗 */
.reveal{
  border-radius:16px;border:0;padding:34px 32px;box-shadow:0 24px 60px rgba(10,13,18,.4);
  max-width:440px;
}
.reveal h3{font-size:22px;margin-bottom:12px}
.reveal p{color:var(--tx-soft);font-size:15px;margin-bottom:22px}
.reveal .reveal-ico{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:rgba(34,227,154,.16);color:var(--neon-deep);font-size:22px;margin-bottom:16px;
}

/* 页脚 */
.site-footer{background:var(--ink-900);color:var(--tx-dim);position:relative;padding-top:1px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--neon),var(--orange) 60%,rgba(122,92,255,.5));
}
.footer-main{padding:60px 0 42px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;font-size:15px}
.footer-brand .brand-text{font-size:18px}
.footer-col p{font-size:14.5px;line-height:1.85;color:#8593A8}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:#9AA8BC;font-size:14.5px;transition:color .2s ease,padding-left .2s ease}
.footer-col ul a:hover{color:var(--neon);padding-left:4px}
.footer-sub{display:flex;gap:8px;margin-top:14px}
.footer-sub input{
  flex:1;min-width:0;height:44px;border-radius:var(--r-btn);padding:0 13px;font-size:14px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);color:#fff;transition:.2s ease;
}
.footer-sub input::placeholder{color:#7C8AA0}
.footer-sub input:focus{border-color:var(--neon);box-shadow:0 0 0 3px rgba(34,227,154,.2);outline:none}
.footer-sub input.is-invalid{border-color:#FF5F56}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:20px;padding-bottom:24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#7B8A9E;
}
.to-top{color:#9AA8BC;font-size:13.5px;display:inline-flex;align-items:center;gap:6px}
.to-top:hover{color:var(--neon)}

/* 响应式 */
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-right .btn{display:none}
  .article-head h1{font-size:32px}
  .paper{padding:28px 24px}
  .side-sticky{position:static;margin-top:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{padding:28px 24px}
  .cta-inner .btn{margin-left:0;width:100%}
}
@media screen and (max-width:640px){
  .article-hero{padding:26px 0 34px}
  .article-head h1{font-size:27px;line-height:1.35}
  .article-main{padding:36px 0 56px}
  .paper{padding:22px 18px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:23px;margin-top:32px}
  .article-body h3{font-size:19px}
  .sec-head h2{font-size:24px}
  .cta-inner h2{font-size:22px}
  .mini-card h3{font-size:17px}
  .share-group{margin-left:0;width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-text{font-size:17px}
}
@media screen and (max-width:480px){
  .grid-container{padding-left:16px;padding-right:16px}
  .brand-text{font-size:16px}
  .article-head h1{font-size:24px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --ink-900:#0A0D12;
  --ink-800:#111722;
  --ink-700:#182030;
  --neon:#22E39A;
  --neon-deep:#0FB87A;
  --orange:#FF5A2D;
  --violet:#7A5CFF;
  --dark-text:#E6EDF5;
  --dark-sub:#93A1B5;
  --light-bg:#F5F7FA;
  --light-card:#FFFFFF;
  --line:#E3E8EF;
  --text:#0F1620;
  --text-sub:#5A6779;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-card:0 6px 24px rgba(15,22,32,.06);
  --shadow-hover:0 14px 38px rgba(15,22,32,.13);
  --shadow-dark:0 18px 46px rgba(0,0,0,.42);
  --inner-line:1px solid rgba(255,255,255,.07);
  --gap:24px;
  --pad-x:24px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Barlow Semi Condensed","PingFang SC","Microsoft YaHei",sans-serif;
}

/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--light-bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0}
h1,h2,h3,h4{font-family:var(--font-cn);font-weight:700;line-height:1.25;color:inherit}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button{font-family:var(--font-cn);cursor:pointer;border:0;background:none}
input,textarea,select{font-family:var(--font-cn)}
:focus-visible{outline:2px solid var(--neon-deep);outline-offset:3px;border-radius:4px}
::selection{background:rgba(34,227,154,.3)}

/* Foundation 覆盖 */
body,h1,h2,h3,h4,h5,h6,p,li,a,span,div{font-family:var(--font-cn)}
a{color:var(--neon-deep)}
a:hover,a:focus{color:var(--orange)}
.grid-container{max-width:1200px;padding-left:var(--pad-x);padding-right:var(--pad-x)}
.accordion{margin-left:0;background:transparent}
.accordion-title{background:transparent}
.row{margin-left:0;margin-right:0}

/* ============ 通用排版 ============ */
.section{padding:88px 0}
.section-sm{padding:60px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.5px;font-weight:600;
  color:var(--neon-deep);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--neon-deep);border-radius:2px}
.section-head h2{font-size:32px;margin-bottom:14px}
.section-head p{color:var(--text-sub);font-size:16.5px}
.dark .section-head h2{color:#fff}
.dark .section-head p{color:var(--dark-sub)}
.dark .eyebrow{color:var(--neon)}
.dark .eyebrow::before{background:var(--neon)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;min-height:44px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.3px;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 8px 22px rgba(255,90,45,.28)}
.btn-orange:hover,.btn-orange:focus{background:#ff6f47;color:#fff;box-shadow:0 12px 28px rgba(255,90,45,.4)}
.btn-neo{background:var(--neon);color:#04170f;box-shadow:0 8px 22px rgba(34,227,154,.26)}
.btn-neo:hover,.btn-neo:focus{background:#3df0ab;color:#04170f;box-shadow:0 12px 30px rgba(34,227,154,.4)}
.btn-ghost{border-color:rgba(255,255,255,.24);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover,.btn-ghost:focus{border-color:var(--neon);color:var(--neon);background:rgba(34,227,154,.08)}
.btn-outline{border-color:var(--line);color:var(--text);background:#fff}
.btn-outline:hover,.btn-outline:focus{border-color:var(--neon-deep);color:var(--neon-deep);background:#fff}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px}
.btn-block{width:100%}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.5;
}
.badge-neon{background:rgba(34,227,154,.14);color:var(--neon-deep);border:1px solid rgba(34,227,154,.32)}
.badge-orange{background:rgba(255,90,45,.12);color:#E8431A;border:1px solid rgba(255,90,45,.28)}
.badge-violet{background:rgba(122,92,255,.12);color:#5B3FDC;border:1px solid rgba(122,92,255,.26)}
.badge-dark{background:rgba(34,227,154,.12);color:var(--neon);border:1px solid rgba(34,227,154,.3)}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(255,90,45,.16);animation:pulse 1.9s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.42}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,13,18,.93);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-stuck{background:rgba(10,13,18,.99);box-shadow:0 12px 34px rgba(0,0,0,.5)}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;flex-shrink:0}
.brand:hover .brand-text{color:var(--neon)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--neon),var(--neon-deep));
  color:#04170f;font-weight:800;font-size:17px;
  display:grid;place-items:center;
  box-shadow:0 0 18px rgba(34,227,154,.45);
}
.brand-text{font-size:19px;font-weight:700;color:#fff;letter-spacing:.4px;transition:color .25s ease}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{
  position:relative;padding:9px 14px;font-size:15px;color:#C7D2E0;border-radius:8px;
  transition:color .25s ease,background .25s ease;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.main-nav a.active{color:var(--neon);text-shadow:0 0 12px rgba(34,227,154,.55)}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  background:var(--neon);border-radius:2px;box-shadow:0 0 10px rgba(34,227,154,.8);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:10px;color:#C7D2E0;
  border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;
  transition:color .25s ease,border-color .25s ease,background .25s ease;
}
.icon-btn:hover{color:var(--neon);border-color:rgba(34,227,154,.5);background:rgba(34,227,154,.08)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.14);padding:10px 9px;flex-direction:column;justify-content:space-between}
.nav-toggle span{display:block;height:2px;background:#E6EDF5;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.nav-search{max-height:0;overflow:hidden;background:var(--ink-800);transition:max-height .32s ease;border-top:1px solid transparent}
.nav-search.is-open{max-height:90px;border-top-color:rgba(255,255,255,.07)}
.nav-search .grid-container{padding-top:14px;padding-bottom:14px}
.nav-search input{
  width:100%;background:var(--ink-900);border:1px solid rgba(255,255,255,.14);
  border-radius:10px;color:#fff;padding:12px 16px;font-size:15px;
}
.nav-search input::placeholder{color:#667churn}
.nav-search input::placeholder{color:#6B7A90}
.nav-search input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(34,227,154,.18)}
.nav-drawer{
  display:none;position:absolute;top:70px;left:0;right:0;
  background:var(--ink-900);border-bottom:1px solid rgba(255,255,255,.08);
  padding:12px 0 24px;box-shadow:0 24px 40px rgba(0,0,0,.5);
}
.nav-drawer.is-open{display:block}
.nav-drawer a{display:block;padding:16px 24px;font-size:17px;color:#C7D2E0;border-bottom:1px solid rgba(255,255,255,.06)}
.nav-drawer a:hover{color:#fff;background:rgba(255,255,255,.04)}
.nav-drawer a.active{color:var(--neon);border-left:3px solid var(--neon);padding-left:21px}
.nav-drawer .btn{margin:20px 24px 0;width:auto;display:flex}

/* ============ 分类页头 ============ */
.cat-hero{
  position:relative;background:var(--ink-900);color:var(--dark-text);
  padding:52px 0 62px;overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.22;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(10,13,18,.94) 0%,rgba(10,13,18,.72) 48%,rgba(10,13,18,.96) 100%);
}
.cat-hero .grid-container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--dark-sub);margin-bottom:20px}
.crumb a:hover{color:var(--neon)}
.crumb i{font-size:10px;opacity:.6}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,46px);color:#fff;max-width:840px;margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--neon)}
.cat-hero .lead{
  font-size:17px;color:var(--dark-sub);max-width:680px;line-height:1.75;margin-bottom:34px;
}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:760px}
.stat-box{
  background:var(--ink-800);border:var(--inner-line);border-radius:var(--r-card);
  padding:18px 20px;
}
.stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:var(--neon);line-height:1.15;
}
.stat-num small{font-size:14px;color:var(--dark-sub);font-weight:500;margin-left:4px}
.stat-label{font-size:13px;color:var(--dark-sub);margin-top:4px}
.hero-divider{
  height:1px;border:0;
  background:linear-gradient(90deg,rgba(34,227,154,.7),rgba(255,90,45,.45) 45%,rgba(122,92,255,0) 100%);
  margin:0;
}

/* ============ 主布局：粘性目录 + 内容流 ============ */
.layout-wrap{padding:72px 0 88px}
.sidebar-col{position:relative}
.toc-card{
  position:sticky;top:96px;
  background:var(--light-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-card);
}
.toc-card h3{font-size:15px;letter-spacing:1px;color:var(--text-sub);margin-bottom:14px;font-weight:600}
.toc-card ul li a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:9px;font-size:15px;color:var(--text-sub);
  border-left:2px solid transparent;transition:all .22s ease;
}
.toc-card ul li a:hover{background:#F2F6FB;color:var(--neon-deep);border-left-color:var(--neon-deep)}
.toc-card ul li a i{font-size:12px;opacity:.7}
.toc-tip{
  margin-top:18px;padding:14px 16px;border-radius:12px;
  background:linear-gradient(135deg,rgba(34,227,154,.1),rgba(122,92,255,.08));
  border:1px solid rgba(34,227,154,.22);font-size:13.5px;color:var(--text-sub);line-height:1.7;
}
.toc-tip strong{color:var(--neon-deep)}

.flow-section{margin-bottom:64px;scroll-margin-top:100px}
.flow-section:last-child{margin-bottom:0}
.flow-section h2{font-size:28px;margin-bottom:16px}
.flow-section > p{color:var(--text-sub);margin-bottom:22px;font-size:16.5px}

/* 图文块 */
.split-block{
  display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;
  background:var(--light-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);
}
.split-block .media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:#E8EDF3}
.split-block .media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.split-block:hover .media img{transform:scale(1.04)}
.split-block h3{font-size:21px;margin-bottom:10px}
.split-block p{color:var(--text-sub);font-size:15.5px;margin-bottom:14px}
.mini-list li{display:flex;gap:10px;font-size:15px;color:var(--text-sub);padding:5px 0}
.mini-list li i{color:var(--neon-deep);font-size:13px;margin-top:7px}

/* 要点列表卡 */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.point-card{
  background:var(--light-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(34,227,154,.4)}
.point-card .num{
  font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--neon-deep);
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:rgba(34,227,154,.12);margin-bottom:14px;
}
.point-card h3{font-size:18.5px;margin-bottom:8px}
.point-card p{font-size:15px;color:var(--text-sub)}

/* 对比表 */
.cmp-wrap{
  background:var(--light-card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.cmp-table{width:100%;border-collapse:collapse;margin:0;background:transparent}
.cmp-table th,.cmp-table td{
  padding:16px 20px;font-size:15px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;
}
.cmp-table thead th{
  background:#0F1620;color:#fff;font-size:14px;font-weight:600;letter-spacing:.5px;border-bottom:0;
}
.cmp-table thead th:first-child{color:var(--dark-sub)}
.cmp-table tbody tr{transition:background .22s ease}
.cmp-table tbody tr:hover{background:#F6FAFD}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table td:first-child{color:var(--text-sub);font-weight:600;width:30%}
.cmp-table td strong{color:var(--neon-deep)}
.cmp-badge{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--neon-deep)}
.cmp-badge.off{color:#93A1B5}

/* 条目卡列表 */
.event-list{display:flex;flex-direction:column;gap:16px}
.event-card{
  display:grid;grid-template-columns:220px 1fr auto;gap:22px;align-items:center;
  background:var(--light-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--shadow-card);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.event-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(34,227,154,.42)}
.event-card .thumb{
  position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:11/7;background:#E8EDF3;
}
.event-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.event-card:hover .thumb img{transform:scale(1.05)}
.event-card .thumb .dur{
  position:absolute;right:8px;bottom:8px;background:rgba(10,13,18,.8);color:#fff;
  font-size:12px;padding:3px 9px;border-radius:999px;font-family:var(--font-num);letter-spacing:.5px;
}
.event-body .badge{margin-bottom:9px}
.event-body h3{font-size:19px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.event-card:hover .event-body h3{color:var(--neon-deep)}
.event-body p{
  font-size:15px;color:var(--text-sub);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.event-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13.5px;color:#8A96A8}
.event-meta span{display:inline-flex;align-items:center;gap:6px}
.event-go{
  width:46px;height:46px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;border:1px solid var(--line);color:var(--text-sub);
  transition:all .28s ease;
}
.event-card:hover .event-go{background:var(--neon);border-color:var(--neon);color:#04170f;transform:translateX(4px)}

/* ============ FAQ ============ */
.faq-section{background:var(--light-card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-accordion{margin:0}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(34,227,154,.45)}
.faq-accordion .accordion-item.is-active{border-color:rgba(34,227,154,.55);box-shadow:0 8px 26px rgba(15,22,32,.07)}
.faq-accordion .accordion-title{
  background:transparent;border:0;padding:20px 56px 20px 22px;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;
  transition:color .25s ease,background .25s ease;
}
.faq-accordion .accordion-title:hover{color:var(--neon-deep);background:#FAFCFE}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--neon-deep);width:auto;margin:0;
  transition:transform .28s ease;
}
.faq-accordion .accordion-item.is-active > .accordion-title::before{content:"+" ;transform:translateY(-50%) rotate(45deg)}
.faq-accordion .accordion-content{
  background:#F7FAFD !important;border:0 !important;padding:4px 22px 20px !important;
  color:var(--text-sub);font-size:15.5px;line-height:1.9;
}

/* ============ CTA 条 ============ */
.cta-bar{
  background:var(--ink-900);color:var(--dark-text);position:relative;padding:60px 0;overflow:hidden;
}
.cta-bar::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.14;
}
.cta-bar .grid-container{position:relative;z-index:2}
.cta-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  border:1px solid rgba(34,227,154,.34);border-radius:18px;
  padding:36px;background:rgba(17,23,34,.72);
  box-shadow:inset 0 0 60px rgba(34,227,154,.08);
}
.cta-copy h2{font-size:29px;color:#fff;margin-bottom:12px}
.cta-copy p{color:var(--dark-sub);font-size:16px}
.sub-form{width:100%}
.chip-group{display:flex;gap:10px;margin-bottom:14px}
.chip{
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;
  border:1px solid rgba(255,255,255,.18);color:#C7D2E0;background:rgba(255,255,255,.04);
  transition:all .24s ease;
}
.chip:hover{color:#fff;border-color:rgba(34,227,154,.5)}
.chip.is-on{background:var(--neon);border-color:var(--neon);color:#04170f}
.sub-row{display:flex;gap:12px}
.field-input{
  flex:1;min-height:48px;padding:13px 16px;border-radius:var(--r-btn);font-size:15px;
  background:var(--ink-800);border:1px solid rgba(255,255,255,.14);color:#fff;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.field-input::placeholder{color:#6B7A90}
.field-input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(34,227,154,.2)}
.field-input.is-error{border-color:#FF5A5A;box-shadow:0 0 0 3px rgba(255,90,90,.18)}
.sub-note{font-size:13px;color:#7C8A9E;margin-top:12px}
.sub-msg{font-size:13.5px;margin-top:10px;min-height:20px}
.sub-msg.ok{color:var(--neon)}
.sub-msg.err{color:#FF7B7B}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:var(--dark-sub);position:relative}
.site-footer::before{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(34,227,154,.85),rgba(255,90,45,.6) 55%,rgba(122,92,255,0) 100%);
}
.footer-main{padding:62px 0 42px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;font-size:16px}
.footer-brand .brand-text{font-size:17.5px;color:#fff;font-weight:700;white-space:nowrap}
.footer-col p{font-size:14.5px;line-height:1.85;color:#8494A8}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.6px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14.5px;color:#8494A8}
.footer-col ul li a:hover{color:var(--neon)}
.footer-sub{display:flex;gap:10px;margin-top:14px}
.footer-sub input{
  flex:1;min-height:42px;padding:10px 14px;border-radius:var(--r-btn);font-size:14px;
  background:var(--ink-800);border:1px solid rgba(255,255,255,.14);color:#fff;
}
.footer-sub input::placeholder{color:#6B7A90}
.footer-sub input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(34,227,154,.18)}
.footer-sub input.is-error{border-color:#FF5A5A}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 24px 26px;border-top:1px solid rgba(255,255,255,.07);font-size:13.5px;color:#6F7E92;
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:#93A1B5;font-size:13.5px}
.to-top:hover{color:var(--neon)}
.footer-msg{font-size:13px;margin-top:10px;min-height:18px}
.footer-msg.ok{color:var(--neon)}
.footer-msg.err{color:#FF7B7B}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .layout-wrap{padding:52px 0 64px}
  .toc-card{position:static;margin-bottom:28px}
  .split-block{grid-template-columns:1fr}
  .point-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-inner{grid-template-columns:1fr;padding:28px}
  .section{padding:64px 0}
}
@media screen and (max-width:767px){
  :root{--pad-x:18px}
  .nav-row{height:64px}
  .brand-text{font-size:16.5px}
  .brand-mark{width:30px;height:30px;font-size:15px}
  .cat-hero{padding:34px 0 44px}
  .cat-hero .lead{font-size:15.5px;margin-bottom:26px}
  .stat-row{gap:10px}
  .stat-box{padding:14px 12px}
  .stat-num{font-size:22px}
  .stat-num small{font-size:12px;display:block;margin:2px 0 0}
  .stat-label{font-size:12px}
  .flow-section h2{font-size:23px}
  .flow-section{margin-bottom:48px}
  .event-card{grid-template-columns:1fr;gap:16px}
  .event-card .thumb{aspect-ratio:16/9}
  .event-go{display:none}
  .split-block{padding:18px}
  .cmp-table th,.cmp-table td{padding:12px 13px;font-size:14px}
  .cmp-table td:first-child{width:36%}
  .cmp-wrap{overflow-x:auto}
  .cmp-table{min-width:520px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-copy h2{font-size:23px}
  .sub-row{flex-direction:column}
  .sub-row .btn{width:100%}
  .section{padding:52px 0}
  .section-head h2{font-size:25px}
  .faq-accordion .accordion-title{font-size:16px;padding:17px 50px 17px 18px}
}
@media screen and (max-width:480px){
  .brand-text{font-size:15px;letter-spacing:0}
  .stat-row{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stat-box{padding:12px 9px;text-align:center}
  .stat-num{font-size:19px}
  .stat-label{font-size:11.5px;line-height:1.4}
  .icon-btn{display:none}
}
@media screen and (min-width:1440px){
  .grid-container{max-width:1240px}
  .cat-hero h1{font-size:48px}
}

/* roulang page: category2 */
:root{
  --dark-bg:#0A0D12;
  --dark-card:#111722;
  --dark-hover:#182030;
  --light-bg:#F5F7FA;
  --light-card:#FFFFFF;
  --line:#E3E8EF;
  --neo:#22E39A;
  --neo-deep:#0FB87A;
  --orange:#FF5A2D;
  --purple:#7A5CFF;
  --text-d:#E6EDF5;
  --text-d2:#93A1B5;
  --text-l:#0F1620;
  --text-l2:#5A6779;
  --radius:14px;
  --radius-sm:10px;
  --radius-img:16px;
  --shadow-l:0 6px 24px rgba(15,22,32,.06);
  --shadow-l-hover:0 14px 34px rgba(15,22,32,.12);
  --shadow-d:0 18px 44px rgba(0,0,0,.45);
  --gap:24px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-l);
  background:var(--light-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,opacity .25s ease;}
button,input{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-cn);color:inherit;line-height:1.25;margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(34,227,154,.6);outline-offset:2px;}

/* ---------- 容器 ---------- */
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}
.grid-container.full{padding-left:0;padding-right:0;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--dark-bg);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background-color .3s ease,box-shadow .3s ease;
}
.site-header.is-stuck{background:rgba(10,13,18,.96);box-shadow:0 12px 30px rgba(0,0,0,.5);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px;}
.logo{display:flex;align-items:center;gap:10px;white-space:nowrap;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--neo),var(--neo-deep));
  color:#04150E;font-weight:800;font-size:17px;
}
.brand-text{font-size:19px;font-weight:700;color:#FFFFFF;letter-spacing:.4px;}
.main-nav{display:flex;align-items:center;gap:4px;margin:0;}
.main-nav a{
  position:relative;display:block;padding:10px 14px;font-size:15px;
  color:#C7D2E0;border-radius:8px;
}
.main-nav a:hover{color:#FFFFFF;background:rgba(255,255,255,.04);}
.main-nav a.active{color:var(--neo);text-shadow:0 0 14px rgba(34,227,154,.55);}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--neo);box-shadow:0 0 10px rgba(34,227,154,.8);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  background:transparent;color:#C7D2E0;cursor:pointer;font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;transition:.25s;
}
.icon-btn:hover{color:#FFFFFF;border-color:rgba(34,227,154,.6);background:rgba(34,227,154,.08);}
.nav-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn-neo{background:var(--orange);color:#FFFFFF;box-shadow:0 8px 22px rgba(255,90,45,.28);}
.btn-neo:hover{background:#FF7048;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,90,45,.36);}
.btn-neo:active{transform:translateY(0);background:#EE4C21;}
.btn-ghost{background:transparent;border-color:rgba(34,227,154,.5);color:var(--neo);}
.btn-ghost:hover{background:rgba(34,227,154,.1);border-color:var(--neo);}
.btn-line{background:#FFFFFF;border-color:var(--line);color:var(--text-l);}
.btn-line:hover{border-color:var(--neo-deep);color:var(--neo-deep);transform:translateY(-1px);box-shadow:var(--shadow-l);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(122,92,255,.12);color:#5B41D6;border:1px solid rgba(122,92,255,.28);
}
.badge--neo{background:rgba(15,184,122,.1);color:var(--neo-deep);border-color:rgba(15,184,122,.3);}
.badge--dark{background:rgba(34,227,154,.12);color:var(--neo);border-color:rgba(34,227,154,.35);}
.badge i{font-size:11px;}

/* ---------- 分区与标题 ---------- */
.split-line{height:1px;background:linear-gradient(90deg,rgba(34,227,154,.9),rgba(255,90,45,.55) 45%,rgba(122,92,255,0) 100%);}
.section{padding:76px 0;}
.section--white{background:#FFFFFF;}
.section--light{background:var(--light-bg);}
.section--dark{background:var(--dark-bg);color:var(--text-d);}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head h2{font-size:32px;margin-bottom:14px;}
.sec-head p{color:var(--text-l2);font-size:17px;}
.section--dark .sec-head p{color:var(--text-d2);}
.sec-head .badge{margin-bottom:14px;}

/* ---------- 分类头 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--dark-bg) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:var(--text-d);padding:52px 0 64px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(10,13,18,.97) 18%,rgba(10,13,18,.78) 58%,rgba(10,13,18,.92) 100%);
}
.cat-hero .grid-container{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-d2);margin-bottom:22px;}
.crumbs a:hover{color:var(--neo);}
.crumbs span.sep{opacity:.5;}
.cat-hero h1{font-size:46px;margin:16px 0 18px;max-width:900px;color:#FFFFFF;}
.cat-hero .lead{font-size:18px;color:var(--text-d2);max-width:720px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Tabs ---------- */
.tabs{
  border:0;background:transparent;margin:0 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;
}
.tabs::before,.tabs::after{display:none;}
.tabs-title{float:none;}
.tabs-title>a{
  display:flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--text-l2);background:#FFFFFF;border:1px solid var(--line);line-height:1.2;
}
.tabs-title>a:hover{color:var(--neo-deep);border-color:rgba(15,184,122,.45);}
.tabs-title.is-active>a,
.tabs-title>a[aria-selected="true"]{
  background:var(--neo-deep);color:#FFFFFF;border-color:var(--neo-deep);
  box-shadow:0 10px 22px rgba(15,184,122,.26);
}
.tabs-content{border:0;background:transparent;margin:0;}
.tabs-panel{padding:0;}

/* ---------- 卡片 ---------- */
.lead-card{
  background:var(--light-card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-l);height:100%;
  transition:transform .3s ease,box-shadow .3s ease;
}
.lead-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l-hover);}
.lead-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E8EDF3;}
.lead-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.lead-card:hover .thumb img{transform:scale(1.04);}
.lead-card .thumb .thumb-tag{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:#04150E;background:var(--neo);
}
.lead-card .body{padding:24px;}
.lead-card h3{font-size:21px;margin-bottom:10px;}
.lead-card p{color:var(--text-l2);font-size:15px;}

.text-card{
  background:var(--light-card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-l);height:100%;
  transition:transform .3s ease,box-shadow .3s ease;
}
.text-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l-hover);}
.text-card h3{font-size:20px;margin-bottom:8px;}
.text-card .card-sub{font-size:14px;color:var(--text-l2);margin-bottom:14px;}
.check-list li{
  position:relative;padding-left:22px;margin-bottom:10px;
  font-size:15px;color:var(--text-l2);
}
.check-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--neo-deep);transform:rotate(45deg);
}
.check-list li strong{color:var(--text-l);font-weight:600;}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:22px;}
.step{
  position:relative;background:#FFFFFF;border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow-l);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.step:hover{transform:translateY(-3px);border-color:rgba(15,184,122,.4);box-shadow:var(--shadow-l-hover);}
.step .num{
  width:46px;height:46px;border-radius:12px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--dark-card);color:var(--neo);font-size:20px;font-weight:800;
  font-variant-numeric:tabular-nums;border:1px solid rgba(34,227,154,.28);
}
.step h3{font-size:20px;margin-bottom:10px;}
.step p{color:var(--text-l2);font-size:15px;}
.step .step-note{
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-l2);
}

/* ---------- 提示框 ---------- */
.tips{display:grid;grid-template-columns:1fr;gap:16px;}
.tip{
  display:flex;gap:14px;padding:22px;border-radius:var(--radius);
  background:#FFFFFF;border:1px solid var(--line);
  border-left:3px solid var(--neo-deep);box-shadow:var(--shadow-l);
  transition:transform .3s ease,box-shadow .3s ease;
}
.tip:hover{transform:translateY(-2px);box-shadow:var(--shadow-l-hover);}
.tip.tip--warn{border-left-color:var(--orange);}
.tip.tip--warn i{color:var(--orange);}
.tip.tip--violet{border-left-color:var(--purple);}
.tip.tip--violet i{color:var(--purple);}
.tip i{font-size:19px;color:var(--neo-deep);margin-top:5px;flex:none;}
.tip h3{font-size:17px;margin-bottom:6px;}
.tip p{font-size:15px;color:var(--text-l2);}

/* ---------- FAQ Accordion ---------- */
.accordion{border:0;background:transparent;margin:0;}
.accordion-item{
  border:1px solid var(--line);border-radius:12px;margin-bottom:10px;
  background:#FFFFFF;overflow:hidden;box-shadow:0 2px 10px rgba(15,22,32,.04);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-title{
  border:0;border-bottom:0;font-size:17px;font-weight:600;color:var(--text-l);
  padding:20px 56px 20px 22px;background:#FFFFFF;transition:color .25s ease,background-color .25s ease;
}
.accordion-title:hover{background:#F8FAFD;color:var(--neo-deep);}
.accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;line-height:22px;text-align:center;border-radius:50%;
  background:rgba(15,184,122,.1);color:var(--neo-deep);font-size:17px;font-weight:700;
  transition:transform .3s ease;
}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg);}
.accordion-content{
  border:0;background:#F5F7FA;padding:0 22px 20px;font-size:15px;color:var(--text-l2);
}
.accordion-item.is-active .accordion-title{background:#F5F7FA;color:var(--neo-deep);}

/* ---------- CTA 与订阅 ---------- */
.cta-band{
  position:relative;background:var(--dark-bg);color:var(--text-d);
  padding:64px 0;border-top:1px solid rgba(34,227,154,.35);
}
.cta-band::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,var(--neo),var(--orange));
}
.cta-band h2{font-size:30px;color:#FFFFFF;margin-bottom:12px;}
.cta-band .cta-text{color:var(--text-d2);font-size:16px;max-width:520px;}
.sub-box{
  background:var(--dark-card);border:1px solid rgba(255,255,255,.07);
  border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-d);
}
.sub-form{display:flex;flex-wrap:wrap;gap:12px;}
.sub-form input{
  flex:1 1 220px;min-height:48px;padding:0 16px;border-radius:var(--radius-sm);
  background:#0F141C;border:1px solid rgba(255,255,255,.14);
  color:var(--text-d);font-size:15px;transition:border-color .25s ease,box-shadow .25s ease;
}
.sub-form input::placeholder{color:#7C8899;}
.sub-form input:focus{outline:none;border-color:var(--neo);box-shadow:0 0 0 3px rgba(34,227,154,.18);}
.sub-form input.is-error{border-color:#FF6B6B;box-shadow:0 0 0 3px rgba(255,107,107,.16);}
.sub-note{font-size:13px;color:var(--text-d2);margin-top:12px;}
.form-msg{font-size:13px;color:#FF8A8A;margin-top:10px;min-height:18px;}
.sub-success{
  display:flex;align-items:center;gap:14px;padding:8px 0;
}
.sub-success .ok-icon{
  width:48px;height:48px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:rgba(34,227,154,.14);color:var(--neo);font-size:20px;
  border:1px solid rgba(34,227,154,.4);
}
.sub-success strong{display:block;color:#FFFFFF;font-size:17px;margin-bottom:4px;}
.sub-success span{font-size:14px;color:var(--text-d2);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--dark-bg);color:var(--text-d2);
  padding-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--neo),var(--orange));
}
.footer-main{padding:60px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-col h4{font-size:16px;color:#FFFFFF;margin-bottom:16px;}
.footer-col p{font-size:14px;line-height:1.9;color:var(--text-d2);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--text-d2);}
.footer-col ul li a:hover{color:var(--neo);}
.footer-sub{display:flex;gap:10px;margin-top:14px;}
.footer-sub input{
  flex:1 1 auto;min-width:0;min-height:40px;padding:0 12px;border-radius:var(--radius-sm);
  background:#0F141C;border:1px solid rgba(255,255,255,.14);color:var(--text-d);font-size:14px;
}
.footer-sub input::placeholder{color:#7C8899;}
.footer-sub input:focus{outline:none;border-color:var(--neo);box-shadow:0 0 0 3px rgba(34,227,154,.16);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 20px 26px;border-top:1px solid rgba(255,255,255,.07);font-size:13px;
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:var(--text-d2);}
.to-top:hover{color:var(--neo);}

/* ---------- 抽屉 ---------- */
.reveal.full{
  width:100%;height:100%;top:0;left:0;margin:0;max-width:none;max-height:none;
  background:rgba(10,13,18,.98);color:var(--text-d);border:0;border-radius:0;padding:22px 20px;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;background:transparent;cursor:pointer;
  border:1px solid rgba(255,255,255,.16);color:#FFFFFF;font-size:20px;line-height:1;
}
.drawer-close:hover{border-color:var(--neo);color:var(--neo);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:16px 4px;font-size:18px;color:#C7D2E0;border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a.active{color:var(--neo);}
.drawer-nav a:hover{color:#FFFFFF;}
.drawer-cta{margin-top:28px;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-header{display:none;}
  .section{padding:56px 0;}
  .cat-hero{padding:40px 0 52px;}
  .cat-hero h1{font-size:34px;}
  .cat-hero .lead{font-size:16px;}
  .sec-head h2{font-size:27px;}
  .cta-band h2{font-size:25px;}
}
@media screen and (min-width:640px){
  .tips{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media screen and (min-width:1024px){
  .steps{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;}
  .section{padding:84px 0;}
}
@media screen and (max-width:639px){
  body{font-size:15px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .cat-hero h1{font-size:29px;}
  .sec-head h2{font-size:24px;}
  .brand-text{font-size:16px;}
  .lead-card .body{padding:18px;}
  .text-card,.tip{padding:18px;}
  .hero-actions .btn{width:100%;}
  .sub-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:480px){
  .cat-hero h1{font-size:26px;}
  .tabs-title>a{padding:10px 16px;font-size:14px;}
}
@media screen and (min-width:1440px){
  .grid-container{max-width:1200px;}
}