/* roulang page: index */
:root{
  --brand:#6E3BFF;
  --brand-deep:#4A1FCC;
  --brand-soft:#EFEBFF;
  --grad-brand:linear-gradient(120deg,#6E3BFF 0%,#B44BFF 48%,#FF4D9D 100%);
  --neon-cyan:#22E0D6;
  --amber:#FFC93C;
  --danger:#FF4D6D;
  --ink:#0C0A1F;
  --ink-2:#171233;
  --bg:#F6F4FF;
  --bg-2:#EFEBFF;
  --card:#FFFFFF;
  --line:#E6E1F7;
  --t1:#16122B;
  --t2:#5B5570;
  --t3:#8A85A0;
  --r-lg:24px;
  --r-md:18px;
  --r-pill:999px;
  --r-input:14px;
  --sh:0 8px 24px rgba(110,59,255,.10);
  --sh-hover:0 16px 40px rgba(110,59,255,.18);
  --neon:0 0 0 1px rgba(110,59,255,.45),0 0 24px rgba(110,59,255,.45);
  --neon-cyan:0 0 0 1px rgba(34,224,214,.45),0 0 24px rgba(34,224,214,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--t1);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.num{font-variant-numeric:tabular-nums;letter-spacing:.2px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 40px}}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;
  padding:12px 24px;border:1px solid transparent;cursor:pointer;
  transition:all .2s ease-out;line-height:1.2;white-space:nowrap;
}
.btn:focus-visible{outline:none;box-shadow:var(--neon)}
.btn-primary{background-image:var(--grad-brand);color:#fff;box-shadow:0 8px 24px rgba(110,59,255,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(110,59,255,.42);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0)}
.btn-soft{background:#fff;border-color:var(--line);color:var(--brand);box-shadow:var(--sh)}
.btn-soft:hover{border-color:var(--brand);transform:translateY(-1px);box-shadow:0 10px 26px rgba(110,59,255,.16)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);transform:translateY(-1px)}
.btn-lg{padding:14px 30px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- 顶栏 ---------- */
.topbar{background:var(--ink-2);color:rgba(255,255,255,.72);font-size:13px}
.topbar-inner{height:32px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-tag{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-tag i{color:var(--neon-cyan)}
.topbar-link{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.8);transition:color .2s ease-out}
.topbar-link:hover{color:#fff}
@media (max-width:640px){.topbar-tag{display:none}.topbar-inner{justify-content:center}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60}
.navbar{background:rgba(12,10,31,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:relative}
.navbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,#6E3BFF,#22E0D6,#FF4D9D)}
.nav-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}
@media (min-width:1024px){.nav-inner{height:72px}}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:28px;height:28px;border-radius:9px;background:var(--grad-brand);box-shadow:0 0 18px rgba(180,75,255,.55);position:relative;flex:none}
.logo-mark::after{content:"";position:absolute;inset:9px;border-radius:3px;background:#fff;opacity:.9}
.logo-text{display:flex;align-items:baseline;gap:5px;color:#fff;font-size:17px;font-weight:700;line-height:1;letter-spacing:.5px}
.logo-sub{font-size:11px;font-weight:500;color:rgba(255,255,255,.6);letter-spacing:.5px}
.nav-menu{display:none;list-style:none;align-items:center;gap:4px}
@media (min-width:1024px){.nav-menu{display:flex}}
.nav-link{display:inline-block;position:relative;padding:10px 15px;font-size:15px;font-weight:500;color:rgba(255,255,255,.78);border-radius:var(--r-pill);transition:color .2s ease-out}
.nav-link:hover{color:var(--neon-cyan)}
.nav-link.active{color:var(--neon-cyan)}
.nav-link.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;width:24px;height:2px;border-radius:2px;background:var(--grad-brand);box-shadow:0 0 8px rgba(34,224,214,.8)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{padding:10px 20px;font-size:14px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:0 11px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);cursor:pointer;transition:border-color .2s ease-out}
.nav-toggle:hover{border-color:var(--neon-cyan)}
.nav-toggle span{display:block;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.nav-cta-mobile{display:none}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(12,10,31,.98);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(255,255,255,.08);padding:6px 0 16px;
  }
  .nav-menu.open{display:flex}
  .nav-menu li{border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-menu li:last-child{border-bottom:0}
  .nav-link{display:block;padding:0 20px;line-height:52px;border-radius:0;font-size:15px}
  .nav-link.active::after{left:20px;transform:none;bottom:8px}
  .nav-cta-mobile{display:block;padding:14px 20px}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:52px 0 60px;background:linear-gradient(180deg,#F6F4FF 0%,#EFEBFF 100%)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:linear-gradient(rgba(110,59,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(110,59,255,.07) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 25%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 25%,transparent 72%);
}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none}
.hero-glow-a{width:520px;height:520px;background:rgba(110,59,255,.30);top:-200px;right:-140px}
.hero-glow-b{width:420px;height:420px;background:rgba(34,224,214,.22);bottom:-200px;left:-160px}
.hero-grid{position:relative;display:grid;gap:40px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
@media (min-width:1024px){.hero{padding:76px 0 92px}}
.hero h1{margin-top:16px;font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.3px}
@media (min-width:768px){.hero h1{font-size:40px}}
@media (min-width:1280px){.hero h1{font-size:44px;line-height:1.24}}
.hero-sub{margin-top:18px;max-width:560px;font-size:16px;line-height:1.8;color:var(--t2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;list-style:none;margin-top:28px;font-size:14px;color:var(--t2)}
.hero-trust li{display:inline-flex;align-items:center;gap:7px}
.hero-trust i{color:var(--brand)}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:500;background:var(--brand-soft);color:var(--brand)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 24px 56px rgba(12,10,31,.28)}
.float-badge{position:absolute;display:flex;flex-direction:column;gap:2px;min-width:134px;padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 14px 34px rgba(110,59,255,.22)}
.float-badge-1{left:-16px;bottom:28px;box-shadow:0 0 0 1px rgba(110,59,255,.32),0 14px 34px rgba(110,59,255,.22)}
.float-badge-2{right:-12px;top:32px;box-shadow:0 0 0 1px rgba(34,224,214,.4),0 14px 34px rgba(34,224,214,.18)}
.fb-num{font-size:24px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.fb-unit{font-size:13px;font-weight:600;color:var(--t2);margin-left:2px}
.fb-label{font-size:12px;color:var(--t3)}
.trend{display:inline-flex;align-items:center;gap:4px;margin-top:4px;padding:2px 8px;border-radius:var(--r-pill);font-size:11px;font-weight:600;color:#8A5A00;background:rgba(255,201,60,.24);border:1px solid rgba(255,201,60,.55);width:max-content}
@media (max-width:640px){
  .float-badge{min-width:112px;padding:10px 12px}
  .float-badge-1{left:6px;bottom:12px}
  .float-badge-2{right:6px;top:12px}
  .fb-num{font-size:20px}
}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:92px 0}}
.section-alt{background:var(--bg-2)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1.5px;color:var(--brand)}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.section-title{margin-top:12px;font-size:24px;font-weight:700;letter-spacing:-.2px;line-height:1.4}
@media (min-width:1024px){.section-title{font-size:31px}}
.section-desc{margin-top:12px;max-width:640px;font-size:15px;line-height:1.85;color:var(--t2)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);transition:gap .2s ease-out,color .2s ease-out}
.text-link:hover{gap:10px;color:var(--brand-deep)}

/* ---------- 指标看板 ---------- */
.metrics{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){.metrics{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.metrics{grid-template-columns:repeat(4,1fr)}}
.metric{position:relative;padding:26px 24px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh);overflow:hidden;transition:transform .2s ease-out,box-shadow .2s ease-out}
.metric::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand)}
.metric.dark{background:var(--ink);border-color:rgba(255,255,255,.08);box-shadow:0 12px 32px rgba(12,10,31,.35)}
.metric.dark::before{background:linear-gradient(90deg,#22E0D6,#6E3BFF)}
.metric-value{font-size:38px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-1px}
@media (min-width:1024px){.metric-value{font-size:42px}}
.metric.dark .metric-value{color:#fff}
.metric-label{margin-top:10px;font-size:13px;color:var(--t3);line-height:1.6}
.metric.dark .metric-label{color:rgba(255,255,255,.7)}
.metric-badge{position:absolute;right:18px;top:18px;display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;color:#8A5A00;background:rgba(255,201,60,.24);border:1px solid rgba(255,201,60,.55)}
.metric-badge.cyan{color:#0A5B57;background:rgba(34,224,214,.18);border-color:rgba(34,224,214,.5)}

/* ---------- 服务矩阵 ---------- */
.matrix{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.matrix{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.matrix{grid-template-columns:repeat(4,1fr)}}
.card-hover{transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.card-hover:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#D9CFFF}
.feature-card{display:flex;flex-direction:column;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh)}
@media (min-width:1024px){.feature-card{grid-column:span 2;grid-row:span 2}}
.feature-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.feature-body{display:flex;flex-direction:column;gap:12px;flex:1;padding:24px}
.feature-body h3{font-size:20px;font-weight:600;line-height:1.5}
.feature-body p{font-size:14px;line-height:1.75;color:var(--t2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:500;background:var(--brand-soft);color:var(--brand)}
.tag.cyan{background:rgba(34,224,214,.14);color:#0B6F6A}
.mini-card{display:flex;flex-direction:column;gap:10px;padding:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh)}
.mini-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);font-size:16px}
.mini-card h3{font-size:17px;font-weight:600}
.mini-card p{font-size:14px;line-height:1.7;color:var(--t2)}
.mini-link{margin-top:auto;padding-top:6px;font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease-out}
.mini-link:hover{gap:10px}

/* ---------- 结果对比 ---------- */
.compare{display:grid;gap:20px}
@media (min-width:1024px){.compare{grid-template-columns:1fr 1fr}}
.compare-col{padding:28px;border-radius:var(--r-lg)}
.compare-base{background:#F1EFFA;border:1px solid var(--line)}
.compare-better{position:relative;background:var(--card);box-shadow:var(--sh-hover);border:1px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad-brand);background-origin:border-box;background-clip:padding-box,border-box}
.compare-tag{position:absolute;right:24px;top:24px;padding:3px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;color:#fff;background-image:var(--grad-brand)}
.compare-title{font-size:20px;font-weight:600}
.compare-note{margin-top:8px;font-size:13px;color:var(--t3)}
.bar-row{margin-top:20px}
.bar-top{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--t2)}
.bar-num{font-weight:700;font-variant-numeric:tabular-nums;color:var(--t1)}
.bar-track{margin-top:8px;height:8px;border-radius:var(--r-pill);background:#E9E4FA;overflow:hidden}
.bar-fill{height:100%;border-radius:var(--r-pill);background:var(--grad-brand)}
.bar-fill.muted{background:#C9C2E4}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{display:flex;flex-direction:column;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh)}
.news-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-body{display:flex;flex-direction:column;gap:12px;flex:1;padding:22px}
.news-title{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-summary{font-size:14px;line-height:1.72;color:var(--t2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3)}
.news-foot .read{font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease-out}
.news-card:hover .read{gap:10px}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:52px 24px;text-align:center;background:var(--card);border:1px dashed #D3C8FF;border-radius:var(--r-lg)}
.empty-state i{font-size:26px;color:#B9ADEA}
.empty-state p{font-size:15px;color:var(--t2)}

/* ---------- 频道入口 ---------- */
.channel-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:900px){.channel-grid{grid-template-columns:1fr 1fr}}
.channel-card{position:relative;display:block;overflow:hidden;border-radius:var(--r-lg);box-shadow:var(--sh);transition:transform .2s ease-out,box-shadow .2s ease-out}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.channel-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.channel-card:hover img{transform:scale(1.04)}
.channel-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,10,31,.18) 0%,rgba(12,10,31,.9) 100%)}
.channel-body{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;gap:10px;min-height:250px;padding:28px;color:#fff}
.channel-body h3{font-size:21px;font-weight:600}
.channel-body p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.78)}
.channel-cta{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--neon-cyan)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:940px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--t1);cursor:pointer;transition:color .2s ease-out}
.faq-q:hover{color:var(--brand)}
.faq-q i{font-size:14px;color:var(--t3);transition:transform .2s ease-out,color .2s ease-out}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q i{transform:rotate(90deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-a-inner{padding:0 24px 22px 27px;font-size:15px;line-height:1.85;color:var(--t2);border-left:3px solid transparent;transition:border-color .2s ease-out}
.faq-item.open .faq-a-inner{border-left-color:var(--brand)}

/* ---------- CTA 表单 ---------- */
.cta-section{position:relative;overflow:hidden;background:var(--ink);padding:60px 0}
@media (min-width:1024px){.cta-section{padding:96px 0}}
.cta-glow{position:absolute;width:560px;height:560px;border-radius:50%;filter:blur(110px);background:rgba(110,59,255,.34);top:-220px;left:-180px;pointer-events:none}
.cta-glow-2{position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(110px);background:rgba(34,224,214,.18);bottom:-200px;right:-140px;pointer-events:none}
.cta-card{position:relative;border-radius:28px;padding:1px;background-image:var(--grad-brand);box-shadow:0 24px 60px rgba(12,10,31,.55)}
.cta-inner{border-radius:27px;background:rgba(23,18,51,.97);padding:30px}
@media (min-width:1024px){.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:44px}}
.cta-inner h2{font-size:24px;font-weight:700;color:#fff;line-height:1.4}
@media (min-width:1024px){.cta-inner h2{font-size:30px}}
.cta-inner .lede{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.72)}
.cta-points{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:26px}
.cta-points li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.8);line-height:1.7}
.cta-points i{color:var(--neon-cyan);margin-top:4px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.field label{font-size:14px;font-weight:500;color:rgba(255,255,255,.82)}
.req{color:var(--danger);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;font-family:inherit;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.38)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:var(--neon)}
.field select option{color:#16122B;background:#fff}
.form-msg{display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-input);font-size:14px;color:#B9FFF9;background:rgba(34,224,214,.12);border:1px solid rgba(34,224,214,.4)}
.form-actions{margin-top:24px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:#0C0A1F;padding:56px 0 0;color:rgba(255,255,255,.72)}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,#6E3BFF,#22E0D6,#FF4D9D)}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700}
.footer-brand .logo-mark{flex:none}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.72);transition:border-color .2s ease-out,color .2s ease-out,transform .2s ease-out}
.footer-social a:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);transform:translateY(-2px)}
.footer-title{margin-bottom:16px;font-size:15px;font-weight:600;color:#fff}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{position:relative;display:inline-block;font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out}
.footer-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--neon-cyan);transition:width .2s ease-out}
.footer-links a:hover{color:#fff}
.footer-links a:hover::after{width:100%}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:12px;font-size:14px;line-height:1.7}
.footer-contact li{display:flex;gap:10px}
.footer-contact i{color:var(--neon-cyan);margin-top:4px;font-size:13px}
.footer-bottom{margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand:#6E3BFF;
  --brand-deep:#4A1FCC;
  --brand-soft:#EFEBFF;
  --grad-brand:linear-gradient(120deg,#6E3BFF 0%,#B44BFF 48%,#FF4D9D 100%);
  --neon-cyan:#22E0D6;
  --amber:#FFC93C;
  --danger:#FF4D6D;
  --ink:#0C0A1F;
  --ink-2:#171233;
  --bg:#F6F4FF;
  --bg-2:#EFEBFF;
  --card:#FFFFFF;
  --line:#E6E1F7;
  --t1:#16122B;
  --t2:#5B5570;
  --t3:#8A85A0;
  --r-card:24px;
  --r-card-sm:18px;
  --r-btn:999px;
  --r-input:14px;
  --s-1:0 8px 24px rgba(110,59,255,.10);
  --s-2:0 16px 40px rgba(110,59,255,.18);
  --s-dark:0 12px 32px rgba(12,10,31,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--t1);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50}
.topbar{background:var(--ink-2)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:34px;font-size:13px;color:rgba(255,255,255,.72)}
.topbar-tag{display:inline-flex;align-items:center;gap:7px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar-tag i{color:var(--neon-cyan)}
.topbar-link{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.82);transition:color .2s ease-out}
.topbar-link:hover{color:var(--neon-cyan)}
@media (max-width:639px){.topbar-tag{display:none}}

.navbar{position:relative;background:rgba(12,10,31,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.navbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,#6E3BFF 0%,#22E0D6 50%,#FF4D9D 100%);opacity:.85}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
@media (min-width:1024px){.nav-inner{height:72px}}

.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.2px;flex-shrink:0}
.logo-mark{position:relative;width:28px;height:28px;border-radius:9px;background:var(--grad-brand);box-shadow:0 0 18px rgba(110,59,255,.55);flex-shrink:0}
.logo-mark::after{content:"";position:absolute;inset:8px;border-radius:3px;background:rgba(255,255,255,.88)}
.logo-sub{display:none;font-size:12px;font-weight:500;color:rgba(255,255,255,.58);margin-left:6px}
@media (min-width:768px){.logo-sub{display:inline}}

.nav-menu{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:rgba(255,255,255,.78);transition:color .2s ease-out}
.nav-link:hover{color:var(--neon-cyan)}
.nav-link.active{color:var(--neon-cyan)}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:-4px;width:24px;height:2px;border-radius:2px;background:var(--grad-brand);transform:translateX(-50%);box-shadow:0 0 10px rgba(34,224,214,.9)}
.nav-cta-mobile{display:none}

.nav-right{display:flex;align-items:center;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:600;border-radius:var(--r-btn);transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out,filter .2s ease-out}
.btn:focus-visible{outline:2px solid var(--neon-cyan);outline-offset:2px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--grad-brand);color:#fff;padding:11px 22px;font-size:15px;box-shadow:0 8px 22px rgba(110,59,255,.35)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(110,59,255,.5);filter:brightness(1.04)}
.btn-outline{background:#fff;border:1px solid var(--line);color:var(--brand);padding:11px 22px;font-size:15px}
.btn-outline:hover{border-color:var(--brand);transform:translateY(-1px);box-shadow:var(--s-1)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28);padding:11px 22px;font-size:15px}
.btn-ghost:hover{border-color:rgba(255,255,255,.62);transform:translateY(-1px)}
.btn-block{width:100%}
.nav-cta{padding:10px 20px;font-size:14px}

.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .2s ease-out,opacity .2s ease-out}

@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:80%;max-width:340px;
    display:block;padding:84px 20px 24px;margin:0;
    background:#0C0A1F;box-shadow:var(--s-dark);
    transform:translateX(102%);transition:transform .25s ease-out;
    overflow-y:auto;z-index:60;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-menu li{border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-link{display:flex;align-items:center;height:52px;font-size:16px;color:rgba(255,255,255,.85)}
  .nav-link.active::after{display:none}
  .nav-cta-mobile{display:block;border-bottom:none!important;margin-top:20px}
}

/* ---------- page head ---------- */
.page-head{position:relative;overflow:hidden;padding-bottom:8px}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 320px at 10% 0%,rgba(110,59,255,.20),transparent 70%),
    radial-gradient(520px 300px at 90% 12%,rgba(34,224,214,.16),transparent 72%);
}
.page-head .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-top:22px;font-size:13px;color:var(--t3)}
.crumb a{color:var(--t3);transition:color .2s ease-out}
.crumb a:hover{color:var(--brand)}
.crumb-sep{color:#C3BDDC}
.crumb-current{max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t2)}

.article-title-box{margin-top:20px;padding:26px 22px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s-1)}
@media (min-width:768px){.article-title-box{padding:36px 40px}}
.pill-cat{display:inline-block;padding:5px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;border:1px solid rgba(110,59,255,.14)}
.article-title{margin-top:16px;font-size:30px;font-weight:700;line-height:1.32;letter-spacing:-.2px}
@media (min-width:768px){.article-title{font-size:40px}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums}
.meta-sep{width:1px;height:12px;background:var(--line)}

/* ---------- reading ---------- */
.reading{padding:32px 0 8px}
.article-card{position:relative;max-width:840px;margin:0 auto;padding:26px 20px 30px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s-1)}
@media (min-width:768px){.article-card{padding:40px 40px 44px}}
.article-card::before{content:"";position:absolute;left:0;top:0;width:96px;height:3px;border-radius:24px 0 6px 0;background:var(--grad-brand)}

.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--t1)}
.article-body p{margin:0 0 18px}
.article-body h2{position:relative;margin:40px 0 16px;padding-left:14px;font-size:24px;font-weight:700}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--grad-brand)}
.article-body h3{margin:28px 0 12px;font-size:19px;font-weight:600}
.article-body ul{list-style:disc;margin:0 0 18px;padding-left:22px}
.article-body ol{list-style:decimal;margin:0 0 18px;padding-left:22px}
.article-body li{margin:6px 0}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:14px;color:var(--t2)}
.article-body img{max-width:100%;height:auto;margin:22px auto;border-radius:20px}
.article-body figure{margin:22px 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--t3);text-align:center}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(110,59,255,.28);transition:border-color .2s ease-out}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-2);font-weight:600}
.article-body code{padding:2px 6px;border-radius:6px;background:var(--bg-2);color:var(--brand-deep);font-size:14px}

.tag-row{max-width:760px;margin:32px auto 0;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row-title{font-size:13px;color:var(--t3);margin-right:4px}
.tag{display:inline-block;padding:5px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;border:1px solid rgba(110,59,255,.14);transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out}
.tag:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}

.back-actions{max-width:760px;margin:32px auto 0;display:flex;flex-wrap:wrap;gap:14px}

.empty-state{max-width:760px;margin:0 auto;padding:44px 20px;text-align:center}
.empty-state i{font-size:34px;color:var(--t3)}
.empty-title{margin-top:14px;font-size:19px;font-weight:600}
.empty-desc{margin-top:8px;font-size:14px;color:var(--t2)}
.empty-state .btn{margin-top:20px}

/* ---------- related ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{font-size:24px;font-weight:700}
@media (min-width:1024px){.section-title{font-size:30px}}
.section-sub{margin-top:8px;font-size:14px;color:var(--t2)}
.section-more{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease-out}
.section-more:hover{gap:10px}

.rel-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.card:hover{transform:translateY(-3px);box-shadow:var(--s-2);border-color:#D8CFFB}
.rel-card{display:flex;flex-direction:column;overflow:hidden;padding:16px}
.rel-thumb{position:relative;aspect-ratio:16/10;border-radius:var(--r-card-sm);overflow:hidden;background:var(--bg-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:16px 6px 6px;display:flex;flex-direction:column;flex:1}
.rel-title{margin-top:12px;font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-desc{margin-top:10px;font-size:14px;color:var(--t2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums}
.rel-foot a{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease-out}
.rel-foot a:hover{gap:10px}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:56px 0}
@media (min-width:1024px){.cta-band{padding:88px 0}}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 300px at 88% 8%,rgba(110,59,255,.45),transparent 70%),
    radial-gradient(420px 260px at 6% 92%,rgba(34,224,214,.20),transparent 72%);
}
.cta-band .container{position:relative;z-index:1}
.cta-card{
  border:1.5px solid transparent;border-radius:28px;padding:28px 22px;
  background:linear-gradient(#141031,#141031) padding-box,var(--grad-brand) border-box;
  box-shadow:var(--s-dark);
}
@media (min-width:1024px){.cta-card{padding:44px;display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:start}}
.cta-title{font-size:24px;font-weight:700}
@media (min-width:1024px){.cta-title{font-size:30px}}
.cta-text{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.74)}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.78)}
.cta-points i{margin-top:4px;color:var(--neon-cyan)}
.cta-form{margin-top:26px}
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:8px;font-size:14px;color:rgba(255,255,255,.76)}
.field .req{color:var(--danger);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;border-radius:var(--r-input);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.field input,.field select{height:48px;padding:0 14px}
.field textarea{min-height:112px;padding:12px 14px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.4)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.09);box-shadow:0 0 0 3px rgba(110,59,255,.38)}
.field select option{color:#16122B}
.field-row{display:grid;gap:0}
@media (min-width:768px){.field-row{grid-template-columns:1fr 1fr;gap:18px}}
.form-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 24px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,#6E3BFF 0%,#22E0D6 50%,#FF4D9D 100%)}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-size:17px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-social{display:flex;gap:12px;margin-top:18px}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:999px;border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.78);transition:color .2s ease-out,border-color .2s ease-out,transform .2s ease-out}
.footer-social a:hover{color:var(--neon-cyan);border-color:rgba(34,224,214,.6);transform:translateY(-2px)}
.footer-title{margin:0 0 16px;font-size:15px;font-weight:600;color:#fff}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);border-bottom:2px solid transparent;transition:color .2s ease-out,border-color .2s ease-out}
.footer-links a:hover{color:#fff;border-bottom-color:var(--neon-cyan)}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.footer-contact i{margin-top:5px;color:var(--neon-cyan)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5)}

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

/* roulang page: category1 */
:root{
  --brand:#6E3BFF; --brand-deep:#4A1FCC; --brand-soft:#EFEBFF;
  --grad-brand:linear-gradient(120deg,#6E3BFF 0%,#B44BFF 48%,#FF4D9D 100%);
  --grad-line:linear-gradient(90deg,#6E3BFF 0%,#22E0D6 50%,#FF4D9D 100%);
  --neon-cyan:#22E0D6; --amber:#FFC93C; --danger:#FF4D6D;
  --ink:#0C0A1F; --ink-2:#171233;
  --bg:#F6F4FF; --bg-2:#EFEBFF; --card:#FFFFFF; --line:#E6E1F7;
  --t1:#16122B; --t2:#5B5570; --t3:#8A85A0;
  --r-lg:24px; --r-md:18px; --r-sm:14px;
  --sh:0 8px 24px rgba(110,59,255,.10);
  --sh-hover:0 16px 40px rgba(110,59,255,.18);
  --sh-dark:0 12px 32px rgba(12,10,31,.35);
  --glow:0 0 0 1px rgba(110,59,255,.45),0 0 24px rgba(110,59,255,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--neon-cyan);outline-offset:2px;
}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.01em;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1280px){.container{padding:0 40px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.topbar{background:var(--ink-2);color:rgba(255,255,255,.72);font-size:13px;line-height:1.5;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:34px;padding-top:4px;padding-bottom:4px;flex-wrap:wrap;}
.topbar-tag{display:inline-flex;align-items:center;gap:8px;}
.topbar-tag i{color:var(--neon-cyan);}
.topbar-link{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.78);}
.topbar-link:hover{color:#fff;}
.navbar{background:rgba(12,10,31,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;
  border-image:var(--grad-line) 1;position:relative;}
.navbar::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--grad-line);opacity:.9;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;}
@media (min-width:1024px){.nav-inner{height:72px;}}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.01em;}
.logo-mark{width:28px;height:28px;border-radius:9px;background:var(--grad-brand);box-shadow:0 0 0 1px rgba(255,255,255,.14),0 6px 18px rgba(110,59,255,.45);flex:0 0 auto;}
.logo-text{display:flex;align-items:baseline;gap:6px;white-space:nowrap;}
.logo-sub{font-size:12px;font-weight:500;color:rgba(255,255,255,.6);letter-spacing:.06em;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:rgba(255,255,255,.78);border-radius:999px;}
.nav-link:hover{color:var(--neon-cyan);}
.nav-link.active{color:var(--neon-cyan);}
.nav-link.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;width:24px;height:2px;border-radius:2px;background:var(--grad-brand);box-shadow:0 0 8px rgba(34,224,214,.85);}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-cta-mobile{display:none;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.2);border-radius:12px;background:transparent;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .2s ease-out,opacity .2s ease-out;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out,filter .2s ease-out;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 22px rgba(110,59,255,.34);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(110,59,255,.44);filter:brightness(1.04);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-deep);}
.btn-outline:hover{border-color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{border-color:rgba(255,255,255,.72);transform:translateY(-1px);}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-cta{height:40px;padding:0 18px;font-size:14px;}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(115deg,rgba(12,10,31,.94) 0%,rgba(74,31,204,.72) 52%,rgba(255,77,157,.42) 100%);}
.page-hero .hero-inner{position:relative;padding:56px 20px 60px;}
@media (min-width:768px){.page-hero .hero-inner{padding:72px 32px 76px;}}
@media (min-width:1280px){.page-hero .hero-inner{padding-left:40px;padding-right:40px;}}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;}
.breadcrumb a:hover{color:var(--neon-cyan);}
.breadcrumb span[aria-hidden]{color:rgba(255,255,255,.34);}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(34,224,214,.55);box-shadow:0 0 18px rgba(34,224,214,.28);margin-bottom:18px;}
.page-hero h1{font-size:30px;max-width:880px;}
@media (min-width:768px){.page-hero h1{font-size:40px;}}
@media (min-width:1280px){.page-hero h1{font-size:44px;}}
.hero-lead{margin-top:16px;max-width:720px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.86);}
.hero-chip i{color:var(--neon-cyan);}

/* ---------- generic section ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-alt{background:var(--bg-2);}
.section-dark{background:var(--ink);color:#fff;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand);}
.section-title{font-size:24px;}
@media (min-width:768px){.section-title{font-size:30px;}}
.section-desc{margin-top:14px;max-width:720px;color:var(--t2);font-size:15px;line-height:1.85;}
.section-head{margin-bottom:36px;}

.intro-panel{background:#fff;border:1px solid var(--line);border-left:5px solid transparent;
  border-image:var(--grad-brand) 1;border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh);}
@media (min-width:768px){.intro-panel{padding:32px;}}
.intro-panel p{color:var(--t2);font-size:15.5px;line-height:1.9;}
.intro-panel p+p{margin-top:14px;}
.intro-points{display:grid;gap:12px;margin-top:22px;}
@media (min-width:768px){.intro-points{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 28px;}}
.intro-points li{display:flex;gap:10px;font-size:14.5px;color:var(--t2);}
.intro-points i{color:var(--brand);margin-top:5px;font-size:13px;}

/* ---------- numbered list ---------- */
.step-list{display:grid;gap:16px;}
.step-item{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.step-item:hover{transform:translateY(-3px);border-color:#CFC2FF;box-shadow:var(--sh-hover);}
.step-num{flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:16px;box-shadow:0 8px 20px rgba(110,59,255,.3);}
.step-body h3{font-size:18px;}
.step-body p{margin-top:8px;color:var(--t2);font-size:14.5px;line-height:1.8;}
.step-tag{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:12.5px;font-weight:600;}

/* ---------- split (image + text) ---------- */
.split{display:grid;gap:28px;align-items:center;}
@media (min-width:1024px){.split{grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;}}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-hover);background:#fff;}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split-media .media-badge{position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:14px;background:rgba(255,255,255,.94);border:1px solid rgba(110,59,255,.4);
  box-shadow:0 0 20px rgba(110,59,255,.24);font-size:13px;font-weight:600;color:var(--t1);}
.split-media .media-badge .num{color:var(--brand-deep);}
.split-body h2{font-size:22px;}
@media (min-width:768px){.split-body h2{font-size:26px;}}
.split-body p{margin-top:14px;color:var(--t2);font-size:15.5px;line-height:1.9;}
.check-list{margin-top:18px;display:grid;gap:10px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--t2);}
.check-list i{color:var(--neon-cyan);margin-top:5px;font-size:13px;}
@media (min-width:1024px){.split.reverse .split-media{order:2;}}
.split.reverse .split-body{order:1;}

/* ---------- flow strip ---------- */
.flow{display:grid;gap:14px;}
@media (min-width:768px){.flow{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}}
.flow-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--sh);overflow:hidden;}
.flow-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.flow-card .flow-step{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--brand);}
.flow-card h3{margin-top:10px;font-size:17px;}
.flow-card p{margin-top:8px;font-size:14px;color:var(--t2);line-height:1.75;}
.flow-card:last-child .flow-step{color:#B4348A;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);overflow:hidden;}
.faq details[open]{border-color:#CFC2FF;box-shadow:var(--sh-hover);}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--t1);position:relative;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary i{color:var(--t3);transition:transform .2s ease-out,color .2s ease-out;font-size:14px;}
.faq details[open] summary{color:var(--brand);}
.faq details[open] summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad-brand);}
.faq details[open] summary i{transform:rotate(180deg);color:var(--brand);}
.faq .faq-answer{padding:0 22px 20px;color:var(--t2);font-size:15px;line-height:1.85;}

/* ---------- CTA / form ---------- */
.cta-wrap{padding:56px 0;background:var(--ink);}
@media (min-width:1024px){.cta-wrap{padding:88px 0;}}
.cta-card{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid transparent;border-image:var(--grad-brand) 1;border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-dark);}
@media (min-width:768px){.cta-card{padding:40px;}}
.cta-grid{display:grid;gap:32px;}
@media (min-width:1024px){.cta-grid{grid-template-columns:0.9fr 1.1fr;gap:48px;}}
.cta-card h2{color:#fff;font-size:24px;}
@media (min-width:768px){.cta-card h2{font-size:30px;}}
.cta-card .cta-note{margin-top:14px;color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;}
.cta-list{margin-top:22px;display:grid;gap:12px;}
.cta-list li{display:flex;gap:10px;color:rgba(255,255,255,.82);font-size:14.5px;}
.cta-list i{color:var(--neon-cyan);margin-top:5px;font-size:13px;}
.form-grid{display:grid;gap:16px;}
@media (min-width:640px){.form-grid .col-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}}
.field{display:grid;gap:8px;}
.field label{font-size:14px;color:rgba(255,255,255,.82);font-weight:500;}
.field .req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--danger);margin-left:6px;vertical-align:middle;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);color:#fff;font-size:15px;font-family:inherit;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42);}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.6) 50%),linear-gradient(135deg,rgba(255,255,255,.6) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field select option{color:#16122B;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(110,59,255,.55),0 0 18px rgba(110,59,255,.35);}
.field input:invalid:not(:placeholder-shown){border-color:var(--danger);}
.form-actions{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.form-hint{font-size:13px;color:rgba(255,255,255,.55);}
.back-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;position:relative;padding:56px 0 24px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-line);}
.footer-grid{display:grid;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:340px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.78);}
.footer-social a:hover{color:#fff;border-color:var(--neon-cyan);box-shadow:0 0 16px rgba(34,224,214,.35);}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li+li{margin-top:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);border-bottom:2px solid transparent;padding-bottom:2px;}
.footer-links a:hover{color:#fff;border-bottom-color:var(--neon-cyan);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;}
.footer-contact li+li{margin-top:12px;}
.footer-contact i{color:var(--neon-cyan);margin-top:5px;font-size:13px;flex:0 0 auto;}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- responsive nav ---------- */
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-menu{position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:var(--ink);
    flex-direction:column;align-items:stretch;gap:0;padding:84px 20px 24px;
    transform:translateX(104%);transition:transform .25s ease-out;box-shadow:-16px 0 40px rgba(12,10,31,.5);
    overflow-y:auto;z-index:55;}
  .nav-menu.open{transform:translateX(0);}
  .nav-menu li{border-bottom:1px solid rgba(255,255,255,.08);}
  .nav-link{display:block;padding:0;line-height:52px;font-size:15px;border-radius:0;}
  .nav-link.active::after{display:none;}
  .nav-link.active{color:var(--neon-cyan);}
  .nav-cta-mobile{display:block;border-bottom:none;margin-top:20px;}
  .nav-cta-mobile .btn{height:48px;}
  .topbar-tag{display:none;}
}
@media (max-width:520px){
  .section{padding:48px 0;}
  .hero-meta{gap:8px;}
  .hero-chip{font-size:12.5px;padding:7px 13px;}
  .btn{width:100%;}
  .nav-cta-mobile .btn,.hero-meta .hero-chip .btn{width:auto;}
  .form-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --brand:#6E3BFF;
  --brand-deep:#4A1FCC;
  --brand-soft:#EFEBFF;
  --grad-brand:linear-gradient(120deg,#6E3BFF 0%,#B44BFF 48%,#FF4D9D 100%);
  --neon-cyan:#22E0D6;
  --amber:#FFC93C;
  --danger:#FF4D6D;
  --ink:#0C0A1F;
  --ink-2:#171233;
  --bg:#F6F4FF;
  --bg-2:#EFEBFF;
  --line:#E6E1F7;
  --t1:#16122B;
  --t2:#5B5570;
  --t3:#8A85A0;
  --r-card:24px;
  --r-sub:18px;
  --r-input:14px;
  --sh-1:0 8px 24px rgba(110,59,255,.10);
  --sh-2:0 16px 40px rgba(110,59,255,.18);
  --sh-dark:0 12px 32px rgba(12,10,31,.35);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--t1);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:16px}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 40px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60}
.topbar{background:var(--ink-2);height:32px;display:flex;align-items:center;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-tag{color:rgba(255,255,255,.72);display:inline-flex;align-items:center;gap:7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-tag i{color:var(--amber)}
.topbar-link{color:var(--neon-cyan);display:inline-flex;align-items:center;gap:6px;transition:opacity .2s ease-out}
.topbar-link:hover{opacity:.78}
.navbar{position:relative;background:rgba(12,10,31,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.navbar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,#6E3BFF,#22E0D6,#FF4D9D)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
@media(min-width:1024px){.nav-inner{height:72px}}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:28px;height:28px;border-radius:9px;background-image:var(--grad-brand);box-shadow:0 0 16px rgba(110,59,255,.65);display:inline-block;flex-shrink:0}
.logo-text{color:#fff;font-weight:700;font-size:17px;line-height:1.1;letter-spacing:.5px}
.logo-sub{display:block;font-size:11px;font-weight:400;letter-spacing:2px;color:rgba(255,255,255,.58);margin-top:3px}
.nav-menu{display:none;align-items:center;gap:4px}
@media(min-width:1024px){.nav-menu{display:flex}}
.nav-link{position:relative;display:block;padding:8px 12px;font-size:15px;font-weight:500;color:rgba(255,255,255,.78);transition:color .2s ease-out;white-space:nowrap}
.nav-link:hover{color:var(--neon-cyan)}
.nav-link.active{color:var(--neon-cyan)}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:24px;height:2px;border-radius:2px;background-image:var(--grad-brand);box-shadow:0 0 10px rgba(34,224,214,.85)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{display:flex;flex-direction:column;gap:5px;background:transparent;border:0;padding:9px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:#fff;transition:transform .2s ease-out,opacity .2s ease-out}
@media(min-width:1024px){.nav-toggle{display:none}}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-cta-mobile{display:none}
@media(max-width:1023px){
  .nav-menu{position:fixed;top:96px;left:0;right:0;background:var(--ink);flex-direction:column;align-items:stretch;padding:8px 20px 20px;display:none;border-bottom:1px solid rgba(255,255,255,.08);box-shadow:var(--sh-dark)}
  .nav-menu.open{display:flex}
  .nav-menu li{border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-link{padding:15px 0;font-size:15px}
  .nav-link.active::after{display:none}
  .nav-cta-mobile{display:block;border-bottom:0!important;padding-top:14px}
  .nav-cta-mobile .btn{width:100%}
  .nav-cta{display:none}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;border-radius:999px;padding:13px 24px;border:1px solid transparent;cursor:pointer;transition:all .2s ease-out;text-align:center}
.btn-primary{background-image:var(--grad-brand);color:#fff;box-shadow:0 8px 24px rgba(110,59,255,.34)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(110,59,255,.46);filter:brightness(1.04)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand);box-shadow:0 10px 26px rgba(110,59,255,.16);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:var(--neon-cyan);color:var(--neon-cyan)}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--neon-cyan);outline-offset:3px}
.btn:disabled{opacity:.45;pointer-events:none}
.btn-sm{padding:10px 18px;font-size:14px}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center;opacity:.38}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,10,31,.94) 0%,rgba(74,31,204,.74) 55%,rgba(255,77,157,.34) 100%)}
.page-hero-inner{position:relative;z-index:2;padding:44px 0 52px;max-width:820px}
@media(min-width:1024px){.page-hero-inner{padding:72px 0 84px}}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px}
.crumb a{transition:color .2s ease-out}
.crumb a:hover{color:var(--neon-cyan)}
.crumb span.sep{opacity:.5}
.crumb .current{color:rgba(255,255,255,.9)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;color:#fff;background:rgba(110,59,255,.28);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:6px 14px;margin-bottom:18px}
.hero-eyebrow i{color:var(--neon-cyan)}
.page-hero h1{font-size:30px;line-height:1.28;font-weight:700;color:#fff;letter-spacing:.3px}
@media(min-width:1024px){.page-hero h1{font-size:44px;line-height:1.2}}
.page-hero p{margin-top:16px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);max-width:640px}
@media(min-width:1024px){.page-hero p{font-size:17px}}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.meta-chip{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:7px 14px}
.meta-chip i{color:var(--neon-cyan);font-size:12px}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{max-width:720px;margin-bottom:32px}
.section-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:5px 13px;margin-bottom:14px}
.section h2{font-size:24px;line-height:1.35;font-weight:700}
@media(min-width:1024px){.section h2{font-size:31px}}
.section-head p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--t2)}

/* ---------- intro ---------- */
.intro-wrap{display:grid;gap:28px;align-items:center}
@media(min-width:900px){.intro-wrap{grid-template-columns:1.15fr .85fr;gap:48px}}
.intro-text p{font-size:16px;line-height:1.9;color:var(--t2)}
.intro-text p + p{margin-top:14px}
.intro-figure{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--line)}
.intro-figure img{width:100%;height:280px;object-fit:cover;border-radius:0}
@media(min-width:900px){.intro-figure img{height:340px}}
.intro-figure .float-badge{position:absolute;left:18px;bottom:18px;background:#fff;border-radius:16px;padding:12px 16px;box-shadow:0 0 0 1px rgba(110,59,255,.35),0 0 22px rgba(110,59,255,.28)}
.intro-figure .float-badge strong{display:block;font-size:22px;font-weight:700;color:var(--brand)}
.intro-figure .float-badge span{font-size:12px;color:var(--t3)}

/* ---------- tag cloud ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag-pill{border:1px solid var(--line);background:#fff;color:var(--t2);font-size:14px;font-weight:500;border-radius:999px;padding:9px 18px;cursor:pointer;transition:all .2s ease-out}
.tag-pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.tag-pill.is-active{background-image:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 10px 24px rgba(110,59,255,.3)}
.tag-pill:focus-visible{outline:2px solid var(--neon-cyan);outline-offset:2px}

.point-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:10px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.point-card:hover{transform:translateY(-3px);border-color:#D6CBFF;box-shadow:var(--sh-2)}
.point-card .pc-icon{width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand);font-size:17px}
.point-card h3{font-size:18px;font-weight:600;line-height:1.45}
.point-card p{font-size:14px;line-height:1.75;color:var(--t2)}
.point-card .pc-tag{margin-top:auto;font-size:12px;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:4px 12px;align-self:flex-start}
.point-card.is-hidden{display:none!important}

/* ---------- compare ---------- */
.compare{display:grid;gap:22px}
@media(min-width:900px){.compare{grid-template-columns:1fr 1fr;gap:28px}}
.compare-col{border-radius:var(--r-card);padding:26px;border:1px solid var(--line)}
.compare-base{background:#F1EFFA}
.compare-good{background:#fff;box-shadow:0 0 0 1px rgba(110,59,255,.35),0 14px 36px rgba(110,59,255,.14);position:relative}
@media(min-width:900px){.compare-good{box-shadow:0 0 0 1px rgba(110,59,255,.35),0 18px 44px rgba(110,59,255,.2);transform:translateY(-2px)}}
.compare-col h3{font-size:19px;font-weight:600;margin:14px 0 20px}
.compare-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.5px;border-radius:999px;padding:5px 13px}
.badge-neutral{background:rgba(91,85,112,.1);color:var(--t2)}
.badge-amber{background:rgba(255,201,60,.18);color:#8A6100}
.badge-brand{background:var(--brand-soft);color:var(--brand)}
.bar-list li + li{margin-top:18px}
.bar-head{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;margin-bottom:8px}
.bar-head .label{color:var(--t1);font-weight:500}
.bar-head .label-muted{color:var(--t3)}
.bar-head .value{font-size:13px;color:var(--t3)}
.compare-good .bar-head .value{color:var(--brand);font-weight:600}
.bar-track{height:8px;border-radius:999px;background:rgba(110,59,255,.1);overflow:hidden}
.bar-fill{display:block;height:100%;border-radius:999px;background-image:var(--grad-brand)}
.compare-base .bar-fill{background-image:linear-gradient(120deg,#B9B4CC,#D5D0E4)}
.compare-note{margin-top:22px;font-size:13px;line-height:1.7;color:var(--t3)}

/* ---------- timeline ---------- */
.timeline{position:relative;max-width:860px}
.timeline::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,#6E3BFF,#22E0D6,#FF4D9D);opacity:.55;border-radius:2px}
.tl-item{position:relative;padding-left:60px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:0;top:2px;width:40px;height:40px;border-radius:14px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:var(--brand);box-shadow:var(--sh-1)}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-sub);padding:20px 22px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.tl-body h3{font-size:18px;font-weight:600;margin-bottom:8px}
.tl-body p{font-size:14px;line-height:1.78;color:var(--t2)}
.tl-body .tl-hint{display:inline-flex;align-items:center;gap:7px;margin-top:12px;font-size:13px;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:5px 13px}

/* ---------- scene cards ---------- */
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene-card img{width:100%;height:172px;object-fit:cover;border-radius:0}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body h3{font-size:18px;font-weight:600}
.scene-body p{font-size:14px;line-height:1.75;color:var(--t2)}
.scene-body .scene-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.scene-body .scene-link i{transition:transform .2s ease-out}
.scene-card:hover .scene-link i{transform:translateX(4px)}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:transparent;border:0;padding:20px 22px;font-size:17px;font-weight:600;cursor:pointer;color:var(--t1);position:relative;transition:color .2s ease-out}
.faq-q:hover{color:var(--brand)}
.faq-q .faq-arrow{flex-shrink:0;width:28px;height:28px;border-radius:999px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform .2s ease-out}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background-image:var(--grad-brand)}
.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-a-inner{padding:0 22px 22px 22px;font-size:15px;line-height:1.85;color:var(--t2)}

/* ---------- cta ---------- */
.cta-section{background:var(--ink);position:relative;overflow:hidden;padding:56px 0}
@media(min-width:1024px){.cta-section{padding:80px 0}}
.cta-section::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(110,59,255,.4),transparent 68%);top:-220px;right:-140px}
.cta-section::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(34,224,214,.24),transparent 70%);bottom:-200px;left:-120px}
.cta-card{position:relative;z-index:2;background:rgba(23,18,51,.72);border-radius:var(--r-card);padding:32px;box-shadow:0 0 0 1px rgba(110,59,255,.5),0 0 30px rgba(110,59,255,.25);display:grid;gap:26px}
@media(min-width:900px){.cta-card{grid-template-columns:1.2fr .8fr;align-items:center;padding:44px}}
.cta-card h2{font-size:24px;line-height:1.35;color:#fff;font-weight:700}
@media(min-width:1024px){.cta-card h2{font-size:30px}}
.cta-card p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.75)}
.cta-points{margin-top:22px;display:grid;gap:10px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.8)}
.cta-points i{color:var(--neon-cyan);margin-top:4px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}
.cta-tip{font-size:13px;color:rgba(255,255,255,.6);text-align:center;margin-top:4px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);position:relative;padding-top:52px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,#6E3BFF,#22E0D6,#FF4D9D)}
.footer-grid{display:grid;gap:32px;padding-bottom:40px}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.78);transition:all .2s ease-out}
.footer-social a:hover{background:rgba(110,59,255,.28);color:#fff;border-color:rgba(110,59,255,.6);transform:translateY(-2px)}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links li + li{margin-top:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out}
.footer-links a:hover{color:#fff;box-shadow:inset 0 -2px 0 var(--neon-cyan)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.footer-contact li + li{margin-top:12px}
.footer-contact i{color:var(--neon-cyan);margin-top:5px;font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}