/* roulang page: index */
:root{
  --bg:#0A0E27;--bg-2:#10152F;--surface:#151B3C;
  --cyan:#38E1FF;--violet:#7C5CFF;--gold:#FFC24B;--pink:#FF4D8D;
  --text:#E8ECFF;--text-2:#9BA4CC;--text-3:#6B7396;
  --line:rgba(255,255,255,.08);--line-2:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.04);
  --radius:16px;--radius-lg:20px;--radius-sm:10px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --glow:0 8px 28px rgba(56,225,255,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;min-height:100vh;overflow-x:hidden;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(58% 42% at 16% 6%,rgba(124,92,255,.16),transparent 70%),
    radial-gradient(52% 38% at 86% 10%,rgba(56,225,255,.12),transparent 72%),
    radial-gradient(70% 55% at 50% 102%,rgba(124,92,255,.10),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;opacity:.035;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)'/%3E%3C/svg%3E");
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
a:hover{color:#7cecff;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(56,225,255,.28);color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.grid-x{display:flex;flex-flow:row wrap;}
.grid-x>.cell{flex:0 0 auto;min-width:0;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{width:100%;padding-left:12px;padding-right:12px;}
.grid-margin-y{margin-top:-12px;margin-bottom:-12px;}
.grid-margin-y>.cell{padding-top:12px;padding-bottom:12px;}

.section{padding:96px 0;position:relative;}
.section--tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:.2px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;color:var(--cyan);margin-bottom:12px;text-transform:none;}
.section-head .eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);}
.section-desc{color:var(--text-2);font-size:15px;max-width:760px;margin-top:12px;}
.text-more{font-size:14px;color:var(--cyan);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.text-more:hover{gap:10px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.3px;border:1px solid transparent;
  transition:all .25s var(--ease);white-space:nowrap;
}
.btn-primary{background:linear-gradient(120deg,var(--cyan),var(--violet));color:#05102A;box-shadow:var(--glow);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 34px rgba(56,225,255,.36);color:#05102A;}
.btn-primary:active{transform:translateY(0);box-shadow:var(--glow);}
.btn-ghost{border-color:rgba(56,225,255,.55);color:var(--cyan);background:transparent;}
.btn-ghost:hover{background:rgba(56,225,255,.08);color:#8ff0ff;border-color:var(--cyan);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}

.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.2px;}
.badge-cyan{background:rgba(56,225,255,.12);color:#7cecff;}
.badge-violet{background:rgba(124,92,255,.16);color:#b7a5ff;}
.badge-gold{background:rgba(255,194,75,.14);color:var(--gold);}
.badge-pink{background:rgba(255,77,141,.14);color:#ff86b2;}
.tag{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;font-size:13px;color:var(--cyan);background:rgba(56,225,255,.08);border:1px solid rgba(56,225,255,.22);}

.glass{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow);
}
.card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(56,225,255,.3);box-shadow:0 22px 46px rgba(0,0,0,.5);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,14,39,.74);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;transition:background .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(10,14,39,.94);border-bottom-color:var(--line);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:20px;transition:height .3s var(--ease);}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(56,225,255,.22),rgba(124,92,255,.28));border:1px solid rgba(56,225,255,.3);}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.4px;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{position:relative;height:36px;display:inline-flex;align-items:center;padding:0 14px;border-radius:9px;font-size:14.5px;color:var(--text-2);transition:all .22s var(--ease);}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--cyan);background:rgba(56,225,255,.1);}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--cyan),var(--violet));}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.cmd-search{position:relative;display:flex;align-items:center;width:236px;height:38px;padding:0 10px 0 34px;border-radius:10px;background:rgba(255,255,255,.04);border:1px solid var(--line);transition:all .25s var(--ease);}
.cmd-search:focus-within{width:290px;border-color:rgba(56,225,255,.5);box-shadow:0 0 0 3px rgba(56,225,255,.12);}
.cmd-search i{position:absolute;left:12px;font-size:13px;color:var(--text-3);}
.cmd-search input{width:100%;height:100%;background:none;border:0;outline:none;font-size:13.5px;color:var(--text);}
.cmd-search input::placeholder{color:var(--text-3);}
.cmd-search .kbd{flex-shrink:0;font-size:11px;color:var(--text-3);border:1px solid var(--line-2);border-radius:6px;padding:2px 6px;line-height:1.2;}
.icon-btn{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);transition:all .22s var(--ease);}
.icon-btn:hover{color:var(--cyan);border-color:rgba(56,225,255,.4);background:rgba(56,225,255,.08);}
.menu-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.04);}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(10,14,39,.98);
  padding:16px 24px 26px;backdrop-filter:blur(16px);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{display:block;padding:13px 4px;font-size:15.5px;color:var(--text-2);border-bottom:1px solid var(--line);}
.mobile-drawer a.is-active{color:var(--cyan);}
.mobile-drawer .btn{margin-top:18px;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:74px 0 0;overflow:hidden;}
.hero-bg{position:absolute;inset:0;z-index:-1;background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,39,.72),rgba(10,14,39,.88) 62%,var(--bg));}
.hero-grid{align-items:center;padding-bottom:64px;}
.hero h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:.2px;margin:20px 0 18px;max-width:660px;}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:640px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.hero-points i{color:var(--cyan);font-size:12px;}
.hero-card{padding:26px 24px;border-radius:var(--radius-lg);}
.hero-card h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.hero-card .hint{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.benefit-line{display:flex;gap:12px;padding:13px 0;border-top:1px solid var(--line);}
.benefit-line:first-of-type{border-top:0;}
.benefit-line .bi{width:32px;height:32px;flex-shrink:0;border-radius:9px;display:grid;place-items:center;background:rgba(56,225,255,.1);color:var(--cyan);font-size:13px;}
.benefit-line strong{display:block;font-size:14.5px;font-weight:600;}
.benefit-line span{font-size:13px;color:var(--text-3);}
.mini-stats{display:flex;gap:0;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.mini-stats div{flex:1;text-align:center;}
.mini-stats b{display:block;font-family:"DIN Alternate","Barlow",Arial,sans-serif;font-size:22px;color:var(--cyan);letter-spacing:.5px;}
.mini-stats span{font-size:12px;color:var(--text-3);}
.star-arc{line-height:0;margin-top:-30px;}
.star-arc svg{width:100%;height:auto;display:block;opacity:.7;}

/* ---------- Trust bar ---------- */
.trust{padding:0 0 12px;}
.trust-inner{display:flex;flex-wrap:wrap;border-radius:var(--radius);border:1px solid var(--line);background:var(--glass);overflow:hidden;}
.trust-item{flex:1 1 180px;padding:22px 20px;text-align:center;border-right:1px solid var(--line);}
.trust-item:last-child{border-right:0;}
.trust-item b{display:block;font-family:"DIN Alternate","Barlow",Arial,sans-serif;font-size:26px;letter-spacing:.5px;color:var(--text);}
.trust-item span{font-size:13px;color:var(--text-3);}

/* ---------- Compare table ---------- */
.tabs{display:inline-flex;gap:6px;padding:5px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);margin-bottom:24px;}
.tabs button{height:34px;padding:0 16px;border-radius:8px;font-size:13.5px;color:var(--text-2);transition:all .22s var(--ease);}
.tabs button.is-active{background:linear-gradient(120deg,rgba(56,225,255,.18),rgba(124,92,255,.2));color:var(--text);}
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--glass);backdrop-filter:blur(14px);}
table.compare{width:100%;border-collapse:collapse;}
table.compare th,table.compare td{padding:16px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);}
table.compare thead th{background:rgba(255,255,255,.03);font-size:14px;color:var(--text-2);font-weight:600;vertical-align:middle;}
table.compare thead th .price{display:block;font-family:"DIN Alternate","Barlow",Arial,sans-serif;font-size:19px;color:var(--cyan);margin-top:4px;}
table.compare tbody tr:hover{background:rgba(255,255,255,.06);}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare td:first-child{color:var(--text);font-weight:500;}
table.compare td:first-child,table.compare th:first-child{position:sticky;left:0;background:rgba(16,21,47,.92);backdrop-filter:blur(6px);z-index:2;}
table.compare td.num{font-family:"DIN Alternate","Barlow",Arial,sans-serif;color:var(--text);letter-spacing:.4px;}
table.compare .yes{color:var(--gold);font-size:15px;}
table.compare .no{color:var(--text-3);}
.table-note{margin-top:14px;font-size:13px;color:var(--text-3);}

/* ---------- Tier ladder ---------- */
.ladder{display:flex;gap:0;position:relative;}
.ladder::before{content:"";position:absolute;left:26px;top:16px;bottom:16px;width:1px;background:linear-gradient(180deg,rgba(56,225,255,.5),rgba(124,92,255,.35),transparent);}
.tier{flex:1;display:flex;gap:22px;padding:26px 24px 26px 26px;position:relative;border-radius:var(--radius);transition:background .3s var(--ease);}
.tier:hover{background:rgba(255,255,255,.03);}
.tier-num{flex-shrink:0;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-family:"DIN Alternate","Barlow",Arial,sans-serif;font-size:18px;font-weight:700;color:var(--cyan);background:var(--bg-2);border:1px solid rgba(56,225,255,.4);box-shadow:0 0 0 6px rgba(10,14,39,1);}
.tier-body h3{font-size:19px;font-weight:600;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tier-body .tier-role{font-size:13px;color:var(--text-3);margin-top:6px;}
.tier-body ul{margin:16px 0 18px;}
.tier-body ul li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2);margin-bottom:7px;}
.tier-body ul li::before{content:"";position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--cyan);opacity:.8;}
.tier.is-featured{background:linear-gradient(180deg,rgba(56,225,255,.07),rgba(124,92,255,.05));}
.tier.is-featured::after{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;background:linear-gradient(135deg,rgba(56,225,255,.6),rgba(124,92,255,.55));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;}

/* ---------- Content preview grid ---------- */
.mosaic{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.mosaic-item{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface);display:block;color:var(--text);}
.mosaic-item:nth-child(1){grid-column:span 3;}
.mosaic-item:nth-child(2){grid-column:span 3;}
.mosaic-item:nth-child(n+3){grid-column:span 2;}
.mosaic-item .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#151B3C,#0A0E27);}
.mosaic-item:nth-child(-n+2) .thumb{aspect-ratio:16/8;}
.mosaic-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.mosaic-item:hover .thumb img{transform:scale(1.03);}
.mosaic-item .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,39,0) 40%,rgba(10,14,39,.72));opacity:.9;transition:opacity .4s var(--ease);}
.mosaic-item:hover .thumb::after{opacity:1;}
.mosaic-body{padding:18px 20px 22px;}
.mosaic-body h3{font-size:17px;font-weight:600;line-height:1.5;margin:12px 0 8px;}
.mosaic-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mosaic-meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:13px;color:var(--text-3);}

/* ---------- News list (CMS) ---------- */
.news-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--glass);backdrop-filter:blur(14px);}
.news-row{display:flex;align-items:center;gap:18px;padding:18px 20px;border-bottom:1px solid var(--line);color:var(--text);transition:background .25s var(--ease);}
.news-row:last-child{border-bottom:0;}
.news-row:hover{background:rgba(255,255,255,.05);color:var(--text);}
.news-bar{width:3px;align-self:stretch;border-radius:3px;background:linear-gradient(180deg,var(--cyan),var(--violet));flex-shrink:0;}
.news-body{min-width:0;flex:1;}
.news-title{display:block;font-size:15.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.news-desc{display:block;font-size:13.5px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px;}
.news-meta{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.news-time{font-size:13px;color:var(--text-3);font-family:"DIN Alternate","Barlow",Arial,sans-serif;}
.news-arrow{color:var(--text-3);font-size:14px;flex-shrink:0;transition:transform .25s var(--ease),color .25s var(--ease);}
.news-row:hover .news-arrow{color:var(--cyan);transform:translateX(3px);}
.empty-state{padding:56px 24px;text-align:center;color:var(--text-3);}
.empty-state i{font-size:28px;color:var(--text-3);display:block;margin-bottom:12px;}
.empty-state p{font-size:14.5px;}
.empty-state a{display:inline-block;margin-top:14px;font-size:14px;}

/* ---------- Feature rows ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.feature-row+.feature-row{margin-top:72px;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);position:relative;aspect-ratio:16/10;background:var(--surface);}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.feature-media:hover img{transform:scale(1.04);}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(10,14,39,.12),rgba(10,14,39,.5));}
.feature-copy h3{font-size:24px;font-weight:700;line-height:1.4;}
.feature-copy p{color:var(--text-2);margin-top:14px;font-size:15.5px;max-width:520px;}
.feature-copy ul{margin-top:22px;}
.feature-copy ul li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-top:1px solid var(--line);font-size:14.5px;color:var(--text-2);}
.feature-copy ul li i{color:var(--cyan);font-size:13px;margin-top:6px;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.steps::before{content:"";position:absolute;left:6%;right:6%;top:17px;height:1px;background-image:linear-gradient(90deg,rgba(56,225,255,.45) 0 6px,transparent 6px 14px);background-size:14px 1px;background-repeat:repeat-x;}
.step{position:relative;padding-top:52px;}
.step .dot{position:absolute;top:0;left:0;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-family:"DIN Alternate","Barlow",Arial,sans-serif;font-size:14px;font-weight:700;color:var(--cyan);background:var(--bg-2);border:1px solid rgba(56,225,255,.45);box-shadow:0 0 22px rgba(56,225,255,.25);}
.step h3{font-size:17px;font-weight:600;}
.step p{font-size:14px;color:var(--text-2);margin-top:8px;}

/* ---------- Quotes ---------- */
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.quote{padding:30px 28px;position:relative;}
.quote .mark{font-size:44px;line-height:1;color:rgba(56,225,255,.28);font-family:Georgia,serif;}
.quote p{font-size:15px;color:var(--text-2);margin-top:-6px;}
.quote footer{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);}
.quote .avatar{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(56,225,255,.2),rgba(124,92,255,.24));color:var(--cyan);font-size:14px;font-weight:700;}
.quote strong{display:block;font-size:14px;}
.quote span{font-size:12.5px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:24px 4px;font-size:16.5px;font-weight:600;color:var(--text);transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--cyan);}
.faq-item summary .ico{flex-shrink:0;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;color:var(--cyan);border:1px solid rgba(56,225,255,.3);font-size:11px;transition:transform .3s var(--ease);}
.faq-item[open] summary .ico{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 4px 26px;color:var(--text-2);font-size:15px;max-width:760px;}

/* ---------- Big CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(56,225,255,.10),rgba(124,92,255,.12));
  backdrop-filter:blur(14px);padding:56px 48px;text-align:center;
}
.cta-panel::before{content:"";position:absolute;width:520px;height:520px;left:50%;top:-260px;transform:translateX(-50%);background:radial-gradient(circle,rgba(56,225,255,.22),transparent 66%);pointer-events:none;}
.cta-panel h2{font-size:28px;font-weight:700;position:relative;}
.cta-panel p{color:var(--text-2);margin-top:14px;position:relative;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px;position:relative;}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(16,21,47,.6);margin-top:96px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:320px;}
.footer-col h4{font-size:14.5px;font-weight:600;margin-bottom:18px;color:var(--text);}
.footer-col a,.footer-col li{display:block;font-size:14px;color:var(--text-3);margin-bottom:11px;}
.footer-col a:hover{color:var(--cyan);}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social span{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--line);color:var(--text-3);transition:all .22s var(--ease);}
.footer-social span:hover{color:var(--cyan);border-color:rgba(56,225,255,.4);}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}

@media screen and (max-width:1024px){
  .section{padding:72px 0;}
  .nav-main{display:none;}
  .cmd-search{display:none;}
  .menu-toggle{display:grid;place-items:center;}
  .hero h1{font-size:34px;}
  .ladder{flex-direction:column;}
  .ladder::before{display:none;}
  .mosaic{grid-template-columns:repeat(2,1fr);}
  .mosaic-item:nth-child(1),.mosaic-item:nth-child(2),.mosaic-item:nth-child(n+3){grid-column:span 2;}
  .feature-row{grid-template-columns:1fr;gap:32px;}
  .feature-row.reverse .feature-media{order:0;}
  .steps{grid-template-columns:1fr 1fr;}
  .steps::before{display:none;}
  .quotes{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:640px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding-top:48px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:23px;}
  .tier{padding:20px 0;}
  .steps{grid-template-columns:1fr;}
  .mini-stats b{font-size:19px;}
  .cta-panel{padding:40px 22px;}
  .cta-panel h2{font-size:23px;}
  .mosaic{grid-template-columns:1fr;gap:16px;}
  .mosaic-item:nth-child(1),.mosaic-item:nth-child(2),.mosaic-item:nth-child(n+3){grid-column:span 1;}
  .news-row{flex-wrap:wrap;gap:10px;padding:16px;}
  .news-meta{width:100%;justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .btn{width:100%;}
  .hero-cta .btn{width:100%;}
}
@media screen and (max-width:768px){
  .table-wrap{background:transparent;border:0;backdrop-filter:none;}
  table.compare,table.compare tbody,table.compare tr,table.compare td{display:block;width:100%;}
  table.compare thead{display:none;}
  table.compare tr{border:1px solid var(--line);border-radius:14px;background:var(--glass);margin-bottom:14px;padding:6px 0;overflow:hidden;}
  table.compare td{border:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 16px;}
  table.compare td::before{content:attr(data-label);color:var(--text-3);font-size:13px;font-weight:400;}
  table.compare td:first-child{position:static;background:rgba(255,255,255,.03);font-weight:600;padding:13px 16px;}
  table.compare td:first-child::before{color:var(--text-3);}
}

/* roulang page: article */
:root{
  --bg:#0A0E27;
  --bg-2:#10152F;
  --bg-3:#151B3C;
  --cyan:#38E1FF;
  --violet:#7C5CFF;
  --gold:#FFC24B;
  --pink:#FF4D8D;
  --text:#E8ECFF;
  --text-2:#9BA4CC;
  --text-3:#6B7396;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.04);
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.32);
  --container:1200px;
  --num-font:"Barlow","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 10% -8%, rgba(124,92,255,.16), transparent 62%),
    radial-gradient(760px 460px at 94% 2%, rgba(56,225,255,.11), transparent 66%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
.bg-noise{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)'/%3E%3C/svg%3E");
}
.site-header,.site-main,.site-footer{position:relative;z-index:2}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:#7BE9FF}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-family:var(--num-font);font-variant-numeric:tabular-nums;letter-spacing:.4px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,39,.74);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(10,14,39,.94);border-bottom-color:var(--line-strong)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(56,225,255,.18),rgba(124,92,255,.22));
  border:1px solid rgba(56,225,255,.28);
  box-shadow:0 0 22px rgba(56,225,255,.18);
}
.brand-text{font-size:18px;font-weight:700;color:var(--text);white-space:nowrap}
.brand:hover .brand-text{color:#fff}
.nav-main{display:flex;align-items:center;gap:4px;flex:1 1 auto}
.nav-link{
  position:relative;padding:8px 14px;border-radius:999px;
  font-size:15px;color:var(--text-2);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--text);background:rgba(56,225,255,.1)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:1px;width:18px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--violet));
}
.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;min-width:212px;
  border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.command-search:focus-within{
  border-color:rgba(56,225,255,.55);
  background:rgba(56,225,255,.07);
  box-shadow:0 0 0 3px rgba(56,225,255,.12);
}
.command-search i{color:var(--text-3);font-size:13px}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:13px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3)}
.kbd{
  font-family:var(--num-font);font-size:11px;color:var(--text-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;white-space:nowrap;
}
.icon-btn{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(56,225,255,.4);background:rgba(56,225,255,.08)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 20px;height:42px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-primary{
  color:#04121B;
  background:linear-gradient(120deg,var(--cyan),var(--violet));
  box-shadow:0 8px 28px rgba(56,225,255,.28);
}
.btn-primary:hover{color:#04121B;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 34px rgba(56,225,255,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  color:var(--cyan);border:1px solid rgba(56,225,255,.45);background:transparent;
}
.btn-ghost:hover{background:rgba(56,225,255,.1);color:#7BE9FF}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.04);
}
.nav-toggle:hover{border-color:rgba(56,225,255,.4);color:var(--cyan)}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(10,14,39,.98);
  padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:14px}
.mobile-drawer .drawer-nav a{
  padding:12px 14px;border-radius:12px;color:var(--text-2);font-size:15px;
  border:1px solid transparent;
}
.mobile-drawer .drawer-nav a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.mobile-drawer .drawer-nav a.is-active{color:var(--cyan);background:rgba(56,225,255,.1);border-color:rgba(56,225,255,.25)}
.mobile-drawer .btn{width:100%}

/* ---------- 页面主体 ---------- */
.page-head{padding:40px 0 8px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:rgba(155,164,204,.45)}
.breadcrumb .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{margin-top:22px;max-width:900px}
.head-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  color:var(--cyan);background:rgba(56,225,255,.12);border:1px solid rgba(56,225,255,.22);
}
.page-title{
  font-size:40px;line-height:1.25;font-weight:700;margin:16px 0 0;
}
.page-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;
  margin-top:20px;font-size:13px;color:var(--text-3);
}
.page-meta span{display:inline-flex;align-items:center;gap:7px}
.page-meta i{color:rgba(56,225,255,.75);font-size:12px}
.page-meta .num{color:var(--text-2)}
.star-divider{
  margin:26px 0 0;height:1px;
  background:linear-gradient(90deg,rgba(56,225,255,.6),rgba(124,92,255,.35),transparent);
}

.article-section{padding:44px 0 24px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:48px;align-items:start}
.article-cover{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);aspect-ratio:16/8;background:var(--bg-2);
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-body{
  max-width:780px;margin-top:32px;
  font-size:16px;line-height:1.75;color:var(--text-2);
  word-break:break-word;
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1em}
.article-body h1,.article-body h2{
  position:relative;font-size:28px;line-height:1.35;font-weight:700;color:var(--text);
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:.92em;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--violet));
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--text);margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:600;color:var(--text);margin:22px 0 10px}
.article-body strong{color:var(--text)}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(56,225,255,.35)}
.article-body a:hover{color:#7BE9FF}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:8px}
.article-body ul li::before{
  content:"✦";position:absolute;left:0;top:3px;font-size:12px;color:var(--cyan);
}
.article-body ol{counter-reset:li;padding-left:0}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:8px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:2px;
  width:20px;height:20px;border-radius:50%;font-size:12px;
  display:flex;align-items:center;justify-content:center;
  color:var(--cyan);background:rgba(56,225,255,.12);font-family:var(--num-font);
}
.article-body blockquote{
  margin:22px 0;padding:16px 22px;border-left:3px solid var(--cyan);
  background:rgba(255,255,255,.08);border-radius:0 12px 12px 0;
  color:var(--text);font-size:15.5px;
}
.article-body img{border-radius:12px;margin:20px 0;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:8px;text-align:center}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:14px;
  background:var(--glass);border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{
  background:rgba(56,225,255,.08);color:var(--text);font-weight:600;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}
.article-body code{
  font-family:var(--num-font);font-size:14px;color:var(--cyan);
  background:rgba(56,225,255,.1);padding:2px 6px;border-radius:6px;
}
.article-empty{
  margin-top:32px;text-align:center;padding:64px 24px;
  border:1px dashed var(--line-strong);border-radius:var(--radius-lg);background:var(--glass);
}
.article-empty i{font-size:34px;color:var(--text-3);display:block;margin-bottom:16px}
.article-empty p{color:var(--text-2);margin-bottom:20px}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.tag{
  padding:5px 14px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.tag:hover{color:var(--cyan);border-color:rgba(56,225,255,.4);background:rgba(56,225,255,.08)}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  border-radius:var(--radius);border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(14px);padding:22px 20px;box-shadow:var(--shadow-soft);
}
.side-card h3{font-size:16px;font-weight:600;display:flex;align-items:center;gap:8px;margin-bottom:16px}
.side-card h3 i{color:var(--cyan);font-size:14px}
.side-list li+li{margin-top:12px}
.side-list a{
  display:flex;gap:10px;color:var(--text-2);font-size:14px;line-height:1.55;
}
.side-list a:hover{color:var(--cyan)}
.side-list .rank{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;margin-top:2px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num-font);font-size:12px;
  color:var(--cyan);background:rgba(56,225,255,.12);
}
.side-list .rank.is-hot{color:var(--pink);background:rgba(255,77,141,.14)}
.side-note{
  border-radius:var(--radius);padding:20px;
  background:linear-gradient(140deg,rgba(56,225,255,.12),rgba(124,92,255,.14));
  border:1px solid rgba(56,225,255,.22);
}
.side-note strong{display:block;color:var(--text);font-size:16px;margin-bottom:8px}
.side-note p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:16px}
.side-note .btn{width:100%}

/* ---------- 相关内容 ---------- */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px}
.more-link{font-size:14px;color:var(--cyan);display:inline-flex;align-items:center;gap:6px}
.more-link:hover{gap:10px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius);border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(56,225,255,.32);box-shadow:var(--shadow)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.03)}
.badge{
  position:absolute;left:12px;top:12px;
  padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  color:var(--cyan);background:rgba(10,14,39,.78);border:1px solid rgba(56,225,255,.3);
  backdrop-filter:blur(6px);
}
.badge-hot{color:var(--pink);border-color:rgba(255,77,141,.36)}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px}
.card-body h3 a{color:var(--text)}
.card-body h3 a:hover{color:var(--cyan)}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.7;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:12px;margin-top:16px;font-size:13px;color:var(--text-3)}
.card-foot .arrow{color:var(--cyan)}

/* ---------- 推荐阅读双栏 ---------- */
.continue-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.continue-card{
  display:flex;flex-direction:column;gap:8px;
  padding:24px;border-radius:var(--radius);border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(14px);
  transition:transform .22s ease,border-color .22s ease;
}
.continue-card:hover{transform:translateY(-4px);border-color:rgba(56,225,255,.32)}
.continue-label{font-size:12.5px;color:var(--text-3);display:inline-flex;align-items:center;gap:8px}
.continue-card strong{font-size:17px;color:var(--text)}
.continue-card span.desc{font-size:14px;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid rgba(56,225,255,.22);
  background:linear-gradient(140deg,rgba(56,225,255,.12),rgba(124,92,255,.16));
  backdrop-filter:blur(14px);
  padding:54px 48px;text-align:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 300px at 20% 0%,rgba(56,225,255,.22),transparent 70%),
             radial-gradient(520px 300px at 85% 100%,rgba(124,92,255,.24),transparent 72%);
  pointer-events:none;
}
.cta-panel>*{position:relative}
.cta-panel h2{font-size:28px;line-height:1.35;margin-bottom:12px}
.cta-panel p{font-size:15px;color:var(--text-2);max-width:620px;margin:0 auto 26px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,21,47,.6),rgba(10,14,39,.95));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.8;max-width:330px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--cyan)}
.footer-member{
  display:flex;align-items:center;gap:12px;
  margin-top:44px;padding:16px 20px;
  border-radius:var(--radius);border:1px solid var(--line);
  background:var(--glass);
}
.avatar{
  flex:0 0 auto;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#04121B;
  background:linear-gradient(140deg,var(--cyan),var(--violet));
  box-shadow:0 0 20px rgba(56,225,255,.28);
}
.footer-member strong{display:block;font-size:14.5px;color:var(--text)}
.footer-member span span{font-size:13px;color:var(--text-3)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:26px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-main,.command-search{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card,.article-side .side-note{flex:1 1 300px}
  .page-title{font-size:32px}
  .section{padding:72px 0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .header-inner{height:64px;gap:14px}
  .brand-text{font-size:16px}
  .page-head{padding:28px 0 4px}
  .page-title{font-size:28px}
  .article-section{padding:32px 0 12px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .cta-panel{padding:40px 24px}
  .cta-panel h2{font-size:23px}
  .continue-grid{grid-template-columns:minmax(0,1fr)}
  .article-body h1,.article-body h2{font-size:23px;margin-top:32px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .page-title{font-size:26px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:15px}
  .icon-btn{display:none}
  .page-meta{gap:8px 16px}
  .article-cover{aspect-ratio:16/10}
}

/* roulang page: category1 */
:root{
  --bg:#0A0E27;
  --bg-2:#10152F;
  --bg-3:#151B3C;
  --cyan:#38E1FF;
  --purple:#7C5CFF;
  --gold:#FFC24B;
  --pink:#FF4D8D;
  --text:#E8ECFF;
  --text-2:#9BA4CC;
  --text-3:#6B7396;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.04);
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:20px;
  --radius-xl:24px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 24px 54px rgba(0,0,0,.55);
  --grad:linear-gradient(120deg,#38E1FF 0%,#7C5CFF 100%);
  --num:"Barlow","DIN Alternate","HarmonyOS Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 10% -8%, rgba(124,92,255,.20), transparent 70%),
    radial-gradient(620px 400px at 94% 6%, rgba(56,225,255,.14), transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.9;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)' opacity='.04'/%3E%3C/svg%3E");
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7BEBFF;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,39,.78);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(10,14,39,.94);border-bottom-color:rgba(56,225,255,.18);box-shadow:0 12px 32px rgba(0,0,0,.42);}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:0 0 34px;
  background:linear-gradient(140deg,rgba(56,225,255,.20),rgba(124,92,255,.26));
  border:1px solid rgba(56,225,255,.32);
  box-shadow:0 0 18px rgba(56,225,255,.22);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:999px;
  color:var(--text-2);font-size:14.5px;transition:.22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--cyan);background:rgba(56,225,255,.10);box-shadow:inset 0 0 0 1px rgba(56,225,255,.26);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.command-search{
  display:flex;align-items:center;gap:8px;width:238px;height:38px;padding:0 10px;
  border-radius:var(--radius-sm);background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:.22s ease;
}
.command-search i{color:var(--text-3);font-size:13px;}
.command-search:focus-within{border-color:rgba(56,225,255,.55);background:rgba(255,255,255,.07);box-shadow:0 0 0 2px rgba(56,225,255,.20);}
.command-search input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);font-size:14px;}
.command-search input::placeholder{color:var(--text-3);}
.kbd{font-size:11px;color:var(--text-3);border:1px solid var(--line);border-radius:6px;padding:2px 6px;white-space:nowrap;font-family:var(--num);}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-sm);display:grid;place-items:center;
  color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);transition:.22s ease;
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(56,225,255,.4);background:rgba(56,225,255,.08);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);color:#050A1E;box-shadow:0 8px 28px rgba(56,225,255,.28);}
.btn-primary:hover{color:#050A1E;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 34px rgba(56,225,255,.36);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 20px rgba(56,225,255,.26);}
.btn-ghost{background:transparent;border-color:rgba(56,225,255,.45);color:var(--cyan);}
.btn-ghost:hover{background:rgba(56,225,255,.10);color:#7BEBFF;transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);cursor:pointer;
  padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.menu-toggle span{display:block;width:16px;height:1.6px;background:var(--text-2);border-radius:2px;transition:.22s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg);}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(10,14,39,.98);padding:10px 24px 24px;}
.mobile-drawer.open{display:block;}
.drawer-link{display:block;padding:14px 4px;color:var(--text-2);font-size:15px;border-bottom:1px solid var(--line);}
.drawer-link:hover{color:var(--text);}
.drawer-link.is-active{color:var(--cyan);}
.mobile-drawer .btn{margin-top:18px;}

/* ---------- Hero ---------- */
.page-hero{position:relative;z-index:1;padding:40px 0 84px;overflow:hidden;}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,39,.62) 0%,rgba(10,14,39,.90) 58%,rgba(10,14,39,1) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb i{font-size:10px;color:var(--text-3);}
.hero-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:52px;align-items:start;margin-top:30px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 13px;border-radius:999px;
  font-size:13px;color:var(--cyan);background:rgba(56,225,255,.10);border:1px solid rgba(56,225,255,.24);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(56,225,255,.9);}
h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-top:20px;}
.hero-lead{color:var(--text-2);font-size:16.5px;max-width:640px;margin-top:18px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  font-size:13px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.chip i{color:var(--cyan);font-size:12px;}
.hero-panel{
  border-radius:var(--radius-lg);padding:26px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;top:0;left:20px;right:20px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(56,225,255,.7),transparent);
}
.hero-panel h3{font-size:16px;font-weight:600;color:var(--text);}
.hero-panel .panel-sub{font-size:13px;color:var(--text-3);margin-top:6px;}
.panel-list{margin-top:8px;}
.panel-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);}
.panel-item:last-child{border-bottom:0;padding-bottom:0;}
.panel-item .idx{
  flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-family:var(--num);font-size:13px;color:var(--cyan);
  background:rgba(56,225,255,.10);border:1px solid rgba(56,225,255,.24);
}
.panel-item strong{display:block;font-size:15px;color:var(--text);font-weight:600;}
.panel-item p{font-size:14px;color:var(--text-2);margin-top:4px;line-height:1.7;}

/* ---------- Trust bar ---------- */
.trust-bar{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.trust-item{background:rgba(21,27,60,.72);padding:20px 22px;}
.trust-item b{display:block;font-family:var(--num);font-size:26px;font-weight:700;color:var(--cyan);line-height:1.2;}
.trust-item span{font-size:13px;color:var(--text-3);}

/* ---------- Section ---------- */
.section{position:relative;z-index:1;padding:96px 0;}
.section-alt{background:rgba(16,21,47,.55);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head .kicker{
  display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:14px;font-family:var(--num);
}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700;}
.section-head p{color:var(--text-2);margin-top:14px;font-size:15.5px;}
.section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.text-link{font-size:14px;color:var(--cyan);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{gap:10px;}

/* ---------- Compare table ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(21,27,60,.55);box-shadow:var(--shadow);
}
.table-scroll{overflow-x:auto;}
table.benefit{width:100%;min-width:780px;border-collapse:collapse;}
table.benefit th,table.benefit td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;vertical-align:middle;}
table.benefit thead th{
  font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.04em;
  background:rgba(255,255,255,.035);white-space:nowrap;
}
table.benefit thead th .col-name{display:block;font-size:15px;color:var(--text);font-weight:700;letter-spacing:0;}
table.benefit thead th .col-tag{display:block;font-size:12px;color:var(--text-3);font-weight:400;margin-top:2px;}
table.benefit tbody tr{transition:background .2s ease;}
table.benefit tbody tr:hover{background:rgba(255,255,255,.06);}
table.benefit tbody tr:last-child td{border-bottom:0;}
table.benefit td:first-child{color:var(--text);font-weight:600;}
table.benefit .col-hl{background:rgba(56,225,255,.06);}
table.benefit thead .col-hl{background:rgba(56,225,255,.10);}
td .yes{color:var(--gold);font-size:15px;}
td .no{color:var(--text-3);}
.badge{
  display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-gold{color:var(--gold);background:rgba(255,194,75,.14);border:1px solid rgba(255,194,75,.32);}
.badge-cyan{color:var(--cyan);background:rgba(56,225,255,.12);border:1px solid rgba(56,225,255,.28);}
.badge-pink{color:var(--pink);background:rgba(255,77,141,.14);border:1px solid rgba(255,77,141,.32);}
.badge-purple{color:#B6A3FF;background:rgba(124,92,255,.16);border:1px solid rgba(124,92,255,.34);}
.table-note{display:flex;gap:10px;align-items:center;margin-top:18px;font-size:13px;color:var(--text-3);}
.table-note i{color:var(--cyan);}

/* ---------- Tier cards ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.tier-card{
  position:relative;border-radius:var(--radius-lg);padding:30px;
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tier-card:hover{transform:translateY(-4px);border-color:rgba(56,225,255,.3);box-shadow:var(--shadow-hover);}
.tier-card.featured{
  background:linear-gradient(158deg,rgba(56,225,255,.10),rgba(124,92,255,.16));
  box-shadow:inset 0 0 0 1px rgba(56,225,255,.45),var(--shadow);
}
.tier-card.featured:hover{box-shadow:inset 0 0 0 1px rgba(56,225,255,.6),var(--shadow-hover);}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.tier-emblem{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,194,75,.14);border:1px solid rgba(255,194,75,.36);color:var(--gold);font-size:18px;
}
.tier-emblem.purple{background:rgba(124,92,255,.16);border-color:rgba(124,92,255,.4);color:#B6A3FF;}
.tier-card h3{font-size:20px;font-weight:700;margin-top:18px;}
.tier-card .tier-desc{font-size:14px;color:var(--text-3);margin-top:6px;}
.tier-list{margin-top:22px;}
.tier-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);padding:11px 0;border-bottom:1px dashed var(--line);}
.tier-list li:last-child{border-bottom:0;}
.tier-list i{color:var(--gold);font-size:14px;margin-top:6px;}
.tier-card .btn{margin-top:22px;}
.tier-footnote{margin-top:22px;font-size:13.5px;color:var(--text-3);}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;}
.media-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/10;background:linear-gradient(140deg,rgba(56,225,255,.12),rgba(124,92,255,.18));
  box-shadow:var(--shadow);
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.media-frame:hover img{transform:scale(1.03);}
.steps{margin-top:26px;}
.steps li{position:relative;padding-left:52px;padding-bottom:24px;}
.steps li:last-child{padding-bottom:0;}
.steps li::before{
  content:"";position:absolute;left:15px;top:32px;bottom:0;width:1px;
  background:linear-gradient(180deg,rgba(56,225,255,.5),rgba(56,225,255,0));
}
.steps li:last-child::before{display:none;}
.step-num{
  position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--num);font-size:13px;font-weight:700;color:#050A1E;background:var(--grad);
  box-shadow:0 0 18px rgba(56,225,255,.34);
}
.steps strong{display:block;font-size:16px;font-weight:600;color:var(--text);}
.steps p{font-size:14.5px;color:var(--text-2);margin-top:5px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:22px;
  padding:24px 0;background:none;border:0;cursor:pointer;text-align:left;
  color:var(--text);font-size:16.5px;font-weight:600;line-height:1.6;
}
.faq-q:hover{color:var(--cyan);}
.faq-q i{flex:0 0 auto;color:var(--cyan);font-size:15px;transition:transform .3s ease;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-item.open .faq-a{max-height:520px;}
.faq-a p{color:var(--text-2);font-size:15px;padding-bottom:24px;max-width:780px;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:56px 40px;text-align:center;
  border:1px solid rgba(56,225,255,.22);
  background:linear-gradient(120deg,rgba(16,21,47,.94),rgba(21,27,60,.94));
  box-shadow:var(--shadow);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 260px at 18% 0%, rgba(124,92,255,.30), transparent 70%),
    radial-gradient(420px 240px at 84% 100%, rgba(56,225,255,.24), transparent 70%);
  pointer-events:none;
}
.cta-panel > *{position:relative;z-index:2;}
.cta-panel h2{font-size:28px;line-height:1.35;font-weight:700;}
.cta-panel p{color:var(--text-2);max-width:620px;margin:14px auto 30px;font-size:15.5px;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:0;padding-top:64px;
  border-top:1px solid var(--line);background:rgba(10,14,39,.92);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:330px;}
.follow-card{
  display:flex;align-items:center;gap:12px;margin-top:22px;padding:14px;
  border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);max-width:330px;
}
.avatar{
  width:38px;height:38px;flex:0 0 38px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#050A1E;font-weight:700;font-size:15px;
}
.follow-card strong{display:block;font-size:14px;color:var(--text);font-weight:600;}
.follow-card .sub{display:block;font-size:12.5px;color:var(--text-3);}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;}
.footer-links a{display:block;font-size:14px;color:var(--text-2);padding:6px 0;}
.footer-links a:hover{color:var(--cyan);}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-social{display:flex;gap:10px;}
.footer-social span{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);transition:.2s ease;
}
.footer-social span:hover{color:var(--cyan);border-color:rgba(56,225,255,.4);}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-main{display:none;}
  .command-search{display:none;}
  .menu-toggle{display:flex;}
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .split{grid-template-columns:1fr;gap:34px;}
  .tier-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  h1{font-size:34px;}
  .section-head h2,.cta-panel h2{font-size:25px;}
}
@media (min-width:1025px){
  .mobile-drawer{display:none !important;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .trust-bar{grid-template-columns:repeat(2,1fr);}
  .page-hero{padding:32px 0 64px;}
  .section{padding:56px 0;}
  .cta-panel{padding:40px 22px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:640px){
  h1{font-size:30px;}
  body{font-size:15.5px;}
  .header-inner{height:64px;gap:12px;}
  .brand{font-size:16px;}
  .brand-mark{width:30px;height:30px;flex-basis:30px;}
  .trust-bar{grid-template-columns:1fr 1fr;}
  .trust-item{padding:16px;}
  .trust-item b{font-size:22px;}
  .hero-actions .btn{flex:1 1 100%;}
  .table-scroll{overflow:visible;}
  table.benefit{min-width:0;width:100%;}
  table.benefit thead{display:none;}
  table.benefit,table.benefit tbody,table.benefit tr,table.benefit td{display:block;width:100%;}
  table.benefit tr{
    border:1px solid var(--line);border-radius:var(--radius);margin:14px;padding:6px 0;
    background:rgba(21,27,60,.6);
  }
  table.benefit tr:hover{background:rgba(21,27,60,.75);}
  table.benefit td{
    border:0;display:flex;justify-content:space-between;align-items:center;gap:16px;
    padding:11px 18px;font-size:14.5px;
  }
  table.benefit td::before{
    content:attr(data-label);color:var(--text-3);font-size:13px;font-weight:400;flex:0 0 auto;
  }
  table.benefit td:first-child{
    display:block;padding:14px 18px 12px;font-size:15.5px;color:var(--text);
    border-bottom:1px solid var(--line);background:rgba(56,225,255,.06);
  }
  table.benefit td:first-child::before{display:none;}
  table.benefit .col-hl{background:rgba(56,225,255,.05);}
  .faq-q{font-size:15.5px;padding:20px 0;}
  .tier-card{padding:24px;}
  .cta-actions .btn{flex:1 1 100%;}
}

/* roulang page: category2 */
:root{
  --bg:#0A0E27;
  --bg-2:#10152F;
  --surface:#151B3C;
  --cyan:#38E1FF;
  --purple:#7C5CFF;
  --gold:#FFC24B;
  --pink:#FF4D8D;
  --text:#E8ECFF;
  --muted:#9BA4CC;
  --dim:#6B7396;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(56,225,255,.30);
  --glass:rgba(255,255,255,.04);
  --radius-s:10px;
  --radius:16px;
  --radius-l:20px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.32);
  --glow:0 8px 28px rgba(56,225,255,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(760px 460px at 12% -6%, rgba(124,92,255,.16), transparent 62%),
    radial-gradient(680px 420px at 92% 4%, rgba(56,225,255,.12), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)' opacity='.035'/%3E%3C/svg%3E");
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7defff;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;
}
h1,h2,h3,h4{color:var(--text);margin:0;font-weight:700;letter-spacing:.2px;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.num{font-family:"Barlow","DIN Alternate","Helvetica Neue",Arial,sans-serif;font-feature-settings:"tnum";letter-spacing:.4px;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;position:relative;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--cyan);letter-spacing:1.6px;
  margin-bottom:14px;text-transform:none;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.section-head--row .more-link{flex:none;font-size:14px;color:var(--muted);}
.section-head--row .more-link:hover{color:var(--cyan);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-s);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--cyan),var(--purple));
  color:#05102a;
  box-shadow:var(--glow);
}
.btn-primary:hover{color:#04101f;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 34px rgba(56,225,255,.42);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--glow);}
.btn-ghost{
  background:transparent;color:var(--cyan);border-color:rgba(56,225,255,.45);
}
.btn-ghost:hover{background:rgba(56,225,255,.08);color:#8ff0ff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;line-height:1.6;font-weight:600;letter-spacing:.3px;
  background:rgba(56,225,255,.12);color:var(--cyan);
  border:1px solid rgba(56,225,255,.18);
}
.badge--purple{background:rgba(124,92,255,.14);color:#b7a6ff;border-color:rgba(124,92,255,.24);}
.badge--gold{background:rgba(255,194,75,.14);color:var(--gold);border-color:rgba(255,194,75,.25);}
.badge--pink{background:rgba(255,77,141,.14);color:#ff8ab5;border-color:rgba(255,77,141,.24);}
.badge--plain{background:rgba(255,255,255,.05);color:var(--muted);border-color:var(--line);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,39,.78);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(8,11,32,.94);box-shadow:0 12px 30px rgba(0,0,0,.45);}
.nav-shell{
  display:flex;align-items:center;gap:22px;
  height:72px;transition:height .25s ease;
}
.site-header.is-scrolled .nav-shell{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(56,225,255,.22),rgba(124,92,255,.28));
  border:1px solid rgba(56,225,255,.32);
  box-shadow:0 0 18px rgba(56,225,255,.22);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.6px;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--cyan);}

.nav-main{display:flex;align-items:center;gap:4px;flex:1;min-width:0;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--cyan);background:rgba(56,225,255,.10);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-1px;width:20px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
}

.nav-tools{display:flex;align-items:center;gap:12px;flex:none;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:216px;padding:8px 12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cmd-search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,225,255,.12);background:rgba(56,225,255,.05);}
.cmd-search i{color:var(--dim);font-size:13px;}
.cmd-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:var(--text);font-size:13.5px;font-family:inherit;
}
.cmd-search input::placeholder{color:var(--dim);}
.cmd-search .kbd{
  font-size:11px;color:var(--dim);border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;white-space:nowrap;
}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-s);
  display:grid;place-items:center;position:relative;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--muted);cursor:pointer;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{color:var(--cyan);border-color:var(--line-strong);transform:translateY(-1px);}
.icon-btn .dot{
  position:absolute;top:7px;right:8px;width:6px;height:6px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 8px rgba(255,77,141,.8);
}
.nav-toggle{display:none;}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(8,11,32,.98);padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .nav-link{display:block;padding:12px 14px;border-radius:12px;font-size:16px;}
.mobile-drawer .drawer-cta{margin-top:14px;}

/* ---------- 内页 Banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  padding:72px 0 64px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(180deg,rgba(10,14,39,.72),rgba(10,14,39,.94)),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(56,225,255,.5),transparent);
}
.breadcrumb{font-size:13px;color:var(--dim);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb span.sep{color:var(--dim);opacity:.6;}
.page-banner h1{max-width:820px;margin-bottom:18px;}
.page-banner h1 em{font-style:normal;background:linear-gradient(120deg,var(--cyan),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent;}
.page-banner .lede{max-width:740px;color:var(--muted);font-size:16.5px;margin-bottom:28px;}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 数据条 ---------- */
.stat-strip{
  margin-top:36px;
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.stat-strip .stat{
  background:rgba(16,21,47,.72);
  padding:20px 22px;
}
.stat-strip .stat b{display:block;font-size:26px;font-weight:700;color:var(--text);line-height:1.2;}
.stat-strip .stat b i{font-style:normal;font-size:14px;color:var(--cyan);margin-left:2px;}
.stat-strip .stat span{font-size:13px;color:var(--dim);}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;
}
.filter-chip{
  padding:9px 18px;border-radius:999px;
  font-size:14px;color:var(--muted);cursor:pointer;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:all .2s ease;
  font-family:inherit;
}
.filter-chip:hover{color:var(--text);border-color:var(--line-strong);transform:translateY(-1px);}
.filter-chip.is-on{
  color:#04101f;font-weight:600;
  background:linear-gradient(120deg,var(--cyan),var(--purple));
  border-color:transparent;box-shadow:var(--glow);
}

/* ---------- 栏目卡片 ---------- */
.topic-card{
  position:relative;height:100%;
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.topic-card:hover,.topic-card:focus-within{
  transform:translateY(-4px);
  border-color:rgba(56,225,255,.34);
  box-shadow:0 22px 46px rgba(0,0,0,.5);
}
.topic-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(120deg,#141a3a,#1d2450);}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.topic-card:hover .topic-media img{transform:scale(1.05);}
.topic-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,39,0) 40%,rgba(10,14,39,.82));
}
.topic-media .badge{position:absolute;top:14px;left:14px;z-index:2;}
.topic-body{padding:22px;display:flex;flex-direction:column;flex:1;gap:12px;}
.topic-body h3{font-size:18px;}
.topic-body p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.7;}
.topic-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--dim);
}
.topic-foot a{font-size:13.5px;color:var(--cyan);display:inline-flex;align-items:center;gap:6px;}
.topic-foot a i{font-size:11px;transition:transform .2s ease;}
.topic-foot a:hover i{transform:translateX(3px);}

/* ---------- 特色专题 ---------- */
.feature-wrap{
  display:grid;grid-template-columns:1.35fr 1fr;gap:24px;
}
.feature-main{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);min-height:400px;
  display:flex;align-items:flex-end;
  background:linear-gradient(120deg,#131a3d,#1c2450);
  box-shadow:var(--shadow);
}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.feature-main:hover img{transform:scale(1.04);}
.feature-main .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,39,.25) 20%,rgba(10,14,39,.92));
}
.feature-main .feature-body{position:relative;z-index:2;padding:32px;}
.feature-main h3{font-size:24px;margin:12px 0 10px;}
.feature-main p{color:var(--muted);margin:0 0 18px;max-width:520px;font-size:15px;}
.feature-side{display:flex;flex-direction:column;gap:24px;}
.mini-card{
  flex:1;display:flex;gap:16px;align-items:center;
  padding:16px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease;
}
.mini-card:hover{transform:translateY(-3px);border-color:rgba(56,225,255,.3);}
.mini-card img{width:96px;height:76px;object-fit:cover;border-radius:12px;flex:none;}
.mini-card h4{font-size:16px;margin-bottom:6px;}
.mini-card p{margin:0;font-size:13.5px;color:var(--dim);line-height:1.6;}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split + .split{margin-top:80px;}
.split-media{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media .tag{
  position:absolute;left:18px;bottom:18px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;
  background:rgba(10,14,39,.72);border:1px solid rgba(56,225,255,.28);
  color:var(--cyan);backdrop-filter:blur(8px);
}
.split-body h3{font-size:24px;margin-bottom:14px;}
.split-body p{color:var(--muted);}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.check-list li{position:relative;padding-left:30px;color:var(--muted);font-size:15px;}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;font-size:12px;color:var(--gold);
}
.split--reverse .split-media{order:2;}
.split--reverse .split-body{order:1;}

/* ---------- 更新节奏 ---------- */
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;
}
.timeline::before{
  content:"";position:absolute;top:19px;left:8%;right:8%;height:1px;
  background:repeating-linear-gradient(90deg,rgba(56,225,255,.45) 0 8px,transparent 8px 16px);
}
.step{position:relative;padding-top:56px;text-align:left;}
.step .dot{
  position:absolute;top:6px;left:0;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;font-weight:700;color:#04101f;
  background:linear-gradient(120deg,var(--cyan),var(--purple));
  box-shadow:0 0 0 6px rgba(56,225,255,.10),0 0 22px rgba(56,225,255,.4);
  font-family:"Barlow",sans-serif;
}
.step h4{font-size:17px;margin-bottom:8px;}
.step p{margin:0;font-size:14px;color:var(--dim);line-height:1.7;}

/* ---------- 评价 ---------- */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.quote-card{
  position:relative;padding:32px 28px 24px;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(56,225,255,.28);}
.quote-card::before{
  content:"\201C";position:absolute;top:2px;left:20px;
  font-size:64px;line-height:1;color:rgba(56,225,255,.24);font-family:Georgia,serif;
}
.quote-card p{position:relative;color:var(--text);font-size:15.5px;margin-bottom:22px;}
.quote-card footer{
  display:flex;align-items:center;gap:12px;
  padding-top:16px;border-top:1px solid var(--line);
}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-size:15px;font-weight:700;color:#04101f;
  background:linear-gradient(140deg,var(--cyan),var(--purple));
}
.quote-card footer strong{display:block;font-size:14px;color:var(--text);font-weight:600;}
.quote-card footer span span{font-size:12.5px;color:var(--dim);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--cyan);}
.faq-item summary .sign{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform .28s ease;
}
.faq-item summary .sign::before,
.faq-item summary .sign::after{
  content:"";position:absolute;background:var(--cyan);border-radius:2px;
}
.faq-item summary .sign::before{left:4px;right:4px;top:10px;height:2px;}
.faq-item summary .sign::after{top:4px;bottom:4px;left:10px;width:2px;transition:opacity .25s ease;}
.faq-item[open] summary .sign{transform:rotate(90deg);}
.faq-item[open] summary .sign::after{opacity:0;}
.faq-item .faq-body{padding:0 4px 24px;color:var(--muted);font-size:15px;max-width:760px;}
.faq-item .faq-body p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-l);
  border:1px solid rgba(56,225,255,.2);
  background:
    radial-gradient(520px 260px at 18% 0%, rgba(124,92,255,.26), transparent 65%),
    radial-gradient(480px 240px at 88% 100%, rgba(56,225,255,.2), transparent 62%),
    rgba(21,27,60,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:26px;margin-bottom:10px;}
.cta-panel p{margin:0;color:var(--muted);max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;border-top:1px solid var(--line);
  background:rgba(8,11,32,.7);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--dim);font-size:14px;max-width:300px;}
.footer-col h5{font-size:14px;color:var(--text);margin:0 0 18px;font-weight:600;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:var(--dim);font-size:14px;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  color:var(--dim);font-size:13px;
}
.footer-bottom .social{display:flex;gap:10px;}
.footer-bottom .social a{
  width:34px;height:34px;border-radius:var(--radius-s);
  display:grid;place-items:center;color:var(--dim);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.footer-bottom .social a:hover{color:var(--cyan);border-color:var(--line-strong);transform:translateY(-2px);}

/* ---------- Foundation 覆盖 ---------- */
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x > .cell{padding-left:12px;padding-right:12px;}
.grid-margin-y{margin-top:-12px;}
.grid-margin-y > .cell{margin-top:24px;}
.button,.callout,select,textarea,input[type="text"],input[type="email"],input[type="tel"]{font-family:inherit;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .section{padding:72px 0;}
  h1{font-size:34px;}
  h2{font-size:24px;}
  .nav-main{display:none;}
  .cmd-search{display:none;}
  .nav-toggle{display:grid;}
  .nav-tools .btn-primary{display:none;}
  .feature-wrap{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split--reverse .split-media{order:1;}
  .split--reverse .split-body{order:2;}
  .timeline{grid-template-columns:1fr 1fr;gap:32px;}
  .timeline::before{display:none;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-panel{padding:40px 30px;}
}
@media screen and (max-width:640px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  h1{font-size:30px;}
  h2{font-size:22px;}
  .page-banner{padding:48px 0 44px;}
  .stat-strip{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .section-head--row{flex-direction:column;align-items:flex-start;}
  .cta-panel{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .mini-card{flex-direction:column;align-items:flex-start;}
  .mini-card img{width:100%;height:140px;}
  .brand-text{font-size:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --bg:#0A0E27;
  --bg-2:#10152F;
  --surface:#151B3C;
  --cyan:#38E1FF;
  --violet:#7C5CFF;
  --gold:#FFC24B;
  --pink:#FF4D8D;
  --text:#E8ECFF;
  --text-2:#9BA4CC;
  --text-3:#6B7396;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.04);
  --glass-2:rgba(255,255,255,.06);
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.32);
  --grad:linear-gradient(120deg,#38E1FF 0%,#7C5CFF 100%);
  --container:1200px;
  --section-y:96px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(720px 520px at 12% -6%, rgba(124,92,255,.16), transparent 62%),
    radial-gradient(680px 460px at 92% 4%, rgba(56,225,255,.13), transparent 60%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)'/%3E%3C/svg%3E");
}
header,main,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:#7FEBFF;}
h1,h2,h3,h4{margin:0 0 12px;font-weight:700;color:var(--text);letter-spacing:.2px;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
li{margin-bottom:8px;color:var(--text-2);}
button,input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
[id]{scroll-margin-top:96px;}

/* ============ 通用容器与板块 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section-y) 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-bottom:10px;}
.section-head p{color:var(--text-2);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.4px;color:var(--cyan);
  text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent);}
.divider{height:1px;background:linear-gradient(90deg,rgba(56,225,255,.5),rgba(124,92,255,.12),transparent);border:0;margin:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .24s ease,background-color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{
  background:var(--grad);color:#06101F;
  box-shadow:0 8px 28px rgba(56,225,255,.28);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 12px 34px rgba(56,225,255,.34);color:#06101F;}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(56,225,255,.24);}
.btn-ghost{background:transparent;border-color:rgba(56,225,255,.55);color:var(--cyan);}
.btn-ghost:hover{background:rgba(56,225,255,.08);border-color:var(--cyan);color:#8EF0FF;}
.btn-ghost:active{transform:translateY(0);}
.btn-block{width:100%;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  height:72px;
  background:rgba(10,14,39,.74);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:height .25s ease,background-color .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{height:60px;background:rgba(10,14,39,.92);border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;gap:20px;height:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);}
.brand-mark{flex-shrink:0;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.4px;white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;
  padding:8px 14px;border-radius:var(--radius-sm);
  font-size:15px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(56,225,255,.07);}
.nav-link.is-active{color:var(--text);background:rgba(56,225,255,.12);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--cyan),var(--violet));
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 10px 0 12px;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-sm);
  width:190px;
  transition:width .28s ease,border-color .2s ease,background-color .2s ease;
}
.nav-search:focus-within{width:280px;border-color:rgba(56,225,255,.55);background:rgba(56,225,255,.06);}
.nav-search svg{flex-shrink:0;color:var(--text-3);}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search kbd{
  font-family:inherit;font-size:11px;color:var(--text-2);
  border:1px solid var(--line-strong);border-radius:6px;
  padding:2px 6px;white-space:nowrap;
}
.icon-btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
}
.icon-btn:hover{color:var(--cyan);border-color:rgba(56,225,255,.45);background:rgba(56,225,255,.07);}
.icon-btn .dot{
  position:absolute;top:-4px;right:-4px;
  min-width:16px;height:16px;padding:0 4px;border-radius:999px;
  background:var(--pink);color:#fff;font-size:10px;line-height:16px;text-align:center;font-weight:700;
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:38px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line);color:var(--text);cursor:pointer;
}
.nav-toggle:hover{border-color:rgba(56,225,255,.45);color:var(--cyan);}
.mobile-drawer{
  display:none;
  position:fixed;left:0;right:0;top:72px;
  background:rgba(10,14,39,.98);
  border-bottom:1px solid var(--line);
  padding:18px 24px 26px;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
  max-height:calc(100vh - 72px);overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-drawer .nav-link{display:block;padding:12px 14px;font-size:16px;}
.mobile-drawer .nav-link.is-active::after{left:14px;right:auto;width:26px;bottom:6px;}
.mobile-drawer .drawer-actions{margin-top:18px;display:grid;gap:10px;}

/* ============ 页面头部 Hero ============ */
.page-hero{position:relative;padding:104px 0 64px;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero__bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.40;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,39,.5) 0%,rgba(10,14,39,.9) 68%,var(--bg) 100%);
}
.page-hero__inner{position:relative;z-index:2;max-width:860px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .current{color:var(--text);}
.page-hero h1{margin-bottom:14px;}
.page-hero__lead{font-size:17px;color:var(--text-2);max-width:640px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);
  background:var(--glass);border:1px solid var(--line);
  transition:all .2s ease;
}
.tag-pill:hover{color:var(--cyan);border-color:rgba(56,225,255,.5);background:rgba(56,225,255,.08);transform:translateY(-1px);}
.hero-arc{display:block;width:100%;height:34px;margin-top:10px;color:rgba(56,225,255,.35);}

/* ============ 快捷问题卡 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.quick-card{
  display:flex;flex-direction:column;
  padding:26px 24px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.quick-card:hover{transform:translateY(-4px);border-color:rgba(56,225,255,.3);box-shadow:var(--shadow);background:var(--glass-2);}
.quick-card .q-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(56,225,255,.1);color:var(--cyan);margin-bottom:16px;
}
.quick-card h3{font-size:17px;margin-bottom:8px;}
.quick-card p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:16px;}
.quick-card .q-link{margin-top:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.quick-card .q-link svg{transition:transform .2s ease;}
.quick-card:hover .q-link svg{transform:translateX(3px);}

/* ============ 主体两栏 ============ */
.help-layout{display:grid;grid-template-columns:272px 1fr;gap:48px;align-items:start;}
.help-aside{position:sticky;top:96px;}
.anchor-box{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--glass);padding:18px 18px 8px;
}
.anchor-box summary{
  list-style:none;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--text);
  padding-bottom:12px;margin-bottom:6px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.anchor-box summary::-webkit-details-marker{display:none;}
.anchor-box summary::after{content:"＋";color:var(--text-3);font-size:14px;}
.anchor-box[open] summary::after{content:"－";}
.anchor-nav{display:flex;flex-direction:column;padding:6px 0 12px;}
.anchor-nav a{
  position:relative;
  display:block;padding:9px 12px 9px 16px;border-radius:8px;
  font-size:14px;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease;
}
.anchor-nav a::before{
  content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%);
  width:3px;height:14px;border-radius:3px;background:transparent;transition:background-color .2s ease;
}
.anchor-nav a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.anchor-nav a.is-active{color:var(--cyan);background:rgba(56,225,255,.08);}
.anchor-nav a.is-active::before{background:var(--cyan);}
.aside-note{
  margin-top:20px;padding:20px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(124,92,255,.14),rgba(56,225,255,.06));
}
.aside-note p{font-size:14px;color:var(--text-2);margin-bottom:14px;}

/* ============ 文档区 ============ */
.doc-section{padding-bottom:8px;}
.doc-section + .doc-section{margin-top:56px;padding-top:52px;border-top:1px solid var(--line);}
.doc-section h2{
  position:relative;padding-left:16px;margin-bottom:18px;
}
.doc-section h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--violet));
}
.doc-section h3{margin-top:30px;color:#F2F5FF;}
.doc-section p{color:var(--text-2);max-width:760px;}
.doc-section .doc-list{list-style:none;padding-left:0;max-width:760px;}
.doc-section .doc-list li{position:relative;padding-left:24px;color:var(--text-2);}
.doc-section .doc-list li::before{
  content:"";position:absolute;left:6px;top:11px;
  width:7px;height:7px;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);
}
.doc-steps{counter-reset:step;list-style:none;padding-left:0;max-width:760px;}
.doc-steps li{position:relative;padding-left:42px;counter-increment:step;color:var(--text-2);margin-bottom:12px;}
.doc-steps li::before{
  content:counter(step);
  position:absolute;left:0;top:2px;
  width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--cyan);
  background:rgba(56,225,255,.1);border:1px solid rgba(56,225,255,.3);
}
.doc-figure{margin:26px 0;max-width:760px;}
.doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);}
.doc-figure figcaption{font-size:13px;color:var(--text-3);margin-top:10px;}
.doc-callout{
  display:flex;gap:14px;align-items:flex-start;
  max-width:760px;margin:24px 0;padding:18px 20px;
  border-left:3px solid var(--cyan);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(56,225,255,.06);
}
.doc-callout p{margin:0;font-size:14.5px;color:var(--text-2);}
.doc-callout strong{color:var(--text);}

/* ============ 表格 ============ */
.table-wrap{margin:26px 0 8px;max-width:900px;}
.table-title{font-size:14px;color:var(--text-3);margin-bottom:12px;}
.compare-table{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  background:var(--glass);
  font-size:14.5px;
}
.compare-table caption{caption-side:top;text-align:left;font-size:13px;color:var(--text-3);padding-bottom:10px;}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);}
.compare-table thead th{
  background:rgba(255,255,255,.05);
  font-size:14px;color:var(--text);font-weight:600;
}
.compare-table tbody th{color:var(--text-2);font-weight:500;background:rgba(255,255,255,.02);}
.compare-table tbody td{color:var(--text-2);}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover td,.compare-table tbody tr:hover th{background:rgba(255,255,255,.06);color:var(--text);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--cyan);}
.faq-item summary .fx{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);color:var(--cyan);font-size:15px;line-height:1;
  transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.faq-item[open] summary{color:var(--cyan);}
.faq-item[open] summary .fx{transform:rotate(45deg);background:rgba(56,225,255,.12);border-color:rgba(56,225,255,.45);}
.faq-item .faq-body{padding:0 0 24px;color:var(--text-2);font-size:15px;}
.faq-item .faq-body p{margin:0 0 .8em;}
.faq-item .faq-body p:last-child{margin-bottom:0;}

/* ============ 咨询表单 ============ */
.contact-layout{display:grid;grid-template-columns:0.85fr 1.15fr;gap:48px;align-items:start;}
.contact-intro h2{margin-bottom:14px;}
.contact-intro > p{color:var(--text-2);max-width:420px;}
.contact-info{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:16px;}
.contact-info li{display:flex;gap:12px;align-items:flex-start;margin:0;font-size:14.5px;color:var(--text-2);}
.contact-info .ci-icon{
  flex-shrink:0;width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(124,92,255,.14);color:#A98CFF;
}
.contact-info strong{display:block;color:var(--text);font-size:15px;margin-bottom:2px;}
.contact-form{
  padding:28px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:14px;color:var(--text-2);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;
  background:rgba(10,14,39,.6);
  border:1px solid var(--line);border-radius:var(--radius-sm);
  color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{resize:vertical;min-height:110px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(56,225,255,.65);
  box-shadow:0 0 0 3px rgba(56,225,255,.16);
  background:rgba(10,14,39,.85);
}
.field select{appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239BA4CC' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  background-color:rgba(10,14,39,.6);
  padding-right:38px;
}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:24px;}
.form-hint{font-size:13px;color:var(--text-3);}
.form-note{
  margin-top:18px;padding:12px 16px;border-radius:var(--radius-sm);
  font-size:14px;border:1px solid transparent;
}
.form-note.is-success{background:rgba(56,225,255,.1);border-color:rgba(56,225,255,.4);color:#9FEFFF;}
.form-note.is-error{background:rgba(255,77,141,.1);border-color:rgba(255,77,141,.4);color:#FFA6C6;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:40px 44px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.cta-panel::before{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(124,92,255,.28),transparent 66%);
  pointer-events:none;
}
.cta-panel::after{
  content:"";position:absolute;left:-60px;bottom:-140px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(56,225,255,.2),transparent 68%);
  pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:600px;}
.cta-text h2{margin-bottom:8px;}
.cta-text p{color:var(--text-2);margin:0;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;
  background:linear-gradient(180deg,rgba(16,21,47,.4),rgba(10,14,39,.96));
  border-top:1px solid var(--line);
  padding:72px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:300px;line-height:1.8;}
.footer-col h3{font-size:15px;color:var(--text);margin-bottom:18px;font-weight:600;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
.footer-col li{margin:0;font-size:14px;color:var(--text-3);}
.footer-col a{color:var(--text-3);}
.footer-col a:hover{color:var(--cyan);}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
}
.social-row a:hover{color:var(--cyan);border-color:rgba(56,225,255,.45);background:rgba(56,225,255,.08);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom p{margin:0;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--section-y:72px;}
  h1{font-size:34px;}
  .nav-main{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .mobile-drawer{display:block;}
  .help-layout{grid-template-columns:1fr;gap:28px;}
  .help-aside{position:static;}
  .contact-layout{grid-template-columns:1fr;gap:32px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .page-hero{padding:72px 0 48px;}
  .page-hero__lead{font-size:16px;}
  .contact-form{padding:22px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-panel{padding:30px 24px;}
}
@media (max-width:640px){
  h1{font-size:30px;}
  h2{font-size:23px;}
  .container{padding:0 18px;}
  .quick-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .nav-actions .btn{display:none;}
  .compare-table thead{display:none;}
  .compare-table, .compare-table tbody, .compare-table tr, .compare-table th, .compare-table td{display:block;width:100%;}
  .compare-table tr{
    border:1px solid var(--line);border-radius:12px;
    padding:14px 16px;margin-bottom:14px;background:rgba(255,255,255,.03);
  }
  .compare-table tr:last-child{margin-bottom:0;}
  .compare-table th,.compare-table td{
    border:0;padding:6px 0;display:flex;justify-content:space-between;gap:14px;text-align:right;
  }
  .compare-table thead{display:none;}
  .compare-table tbody th,.compare-table tbody td{background:transparent;}
  .compare-table tbody th{font-size:13px;color:var(--text-3);justify-content:flex-start;text-align:left;}
  .compare-table td::before{content:attr(data-label);color:var(--text-3);font-weight:500;flex-shrink:0;text-align:left;}
  .doc-section + .doc-section{margin-top:40px;padding-top:38px;}
}