/* roulang page: index */
:root{
  --bg-deep:#070C18;
  --bg-alt:#0A1426;
  --c-primary:#4F7DFF;
  --c-accent:#33D6C0;
  --c-cta:#FFB13D;
  --surface:rgba(18,28,48,.66);
  --surface-solid:#101A2E;
  --line:rgba(120,160,255,.14);
  --line-hi:rgba(120,160,255,.32);
  --t-main:#E8EEFB;
  --t-sub:#93A3C0;
  --t-dim:#64748B;
  --r-card:18px;
  --r-panel:24px;
  --r-img:14px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --shadow-float:0 24px 60px rgba(0,0,0,.6);
  --shadow-glow:0 0 0 1px rgba(79,125,255,.35),0 8px 28px rgba(79,125,255,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:16px;line-height:1.8;color:var(--t-main);
  background:linear-gradient(160deg,#070C18 0%,#0B1324 52%,#070C18 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--c-accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em}
p{margin:0}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px dashed var(--c-primary);outline-offset:3px;border-radius:8px;
}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0;position:relative}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700}
.section-head .lead{margin-top:10px;color:var(--t-sub);font-size:15px;max-width:560px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-primary);white-space:nowrap}
.link-more i{transition:transform .25s var(--ease)}
.link-more:hover i{transform:translateX(5px)}

/* ============ 導覽 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;height:72px;
  display:flex;align-items:center;
  background:rgba(7,12,24,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,12,24,.92);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;gap:24px;width:100%}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#4F7DFF,#33D6C0);color:#06101f;
  font-size:14px;box-shadow:var(--shadow-glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{
  font-size:16px;font-weight:800;letter-spacing:.02em;
  background:linear-gradient(90deg,#E8EEFB,#4F7DFF 58%,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{font-size:10px;color:var(--t-sub);letter-spacing:.26em;font-weight:500}
.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{position:relative;display:inline-block;padding:9px 13px;font-size:14px;color:var(--t-sub);border-radius:10px;transition:color .25s var(--ease)}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav-link:hover{color:var(--t-main)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--t-main);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line);color:var(--t-sub);
  cursor:pointer;transition:.25s var(--ease);
}
.icon-btn:hover{color:var(--t-main);border-color:var(--line-hi);transform:translateY(-1px)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 27px;border-radius:999px;font-size:15px;font-weight:600;
  color:#2A1700;background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  box-shadow:0 8px 24px rgba(255,158,31,.28);
  border:none;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,158,31,.45);filter:brightness(1.05);color:#2A1700}
.btn-cta:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--t-main);background:var(--surface);border:1px solid var(--line-hi);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  cursor:pointer;transition:.25s var(--ease);
}
.btn-ghost:hover{color:#fff;border-color:var(--c-primary);box-shadow:0 0 0 1px rgba(79,125,255,.45),0 8px 24px rgba(79,125,255,.22);transform:translateY(-2px)}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;background:var(--surface);border:1px solid var(--line);color:var(--t-main);place-items:center;cursor:pointer}
.drawer{
  position:fixed;inset:0;z-index:1050;background:rgba(4,8,16,.82);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  display:flex;justify-content:flex-end;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer-panel{
  width:min(88vw,360px);height:100%;background:rgba(10,18,34,.96);
  border-left:1px solid var(--line);padding:26px 22px;
  transform:translateX(100%);transition:transform .34s var(--ease);
  display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:12px;background:var(--surface);border:1px solid var(--line);color:var(--t-main);cursor:pointer;margin-bottom:12px}
.drawer-panel a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;color:var(--t-sub);font-size:15px;
  border:1px solid transparent;transition:.25s var(--ease);
}
.drawer-panel a:hover,.drawer-panel a.is-active{color:var(--t-main);background:var(--surface);border-color:var(--line)}
.drawer-panel a i{font-size:12px;color:var(--t-dim)}
.drawer-panel .btn-cta{margin-top:18px}

/* ============ Hero ============ */
.hero{position:relative;min-height:620px;display:flex;align-items:center;padding:132px 0 92px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,12,24,.62),rgba(7,12,24,.95)),
    radial-gradient(900px 520px at 12% 42%,rgba(79,125,255,.22),transparent 70%);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;width:100%}
.pill{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-accent);
  background:rgba(51,214,192,.1);border:1px solid rgba(51,214,192,.34);
}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 10px rgba(51,214,192,.9)}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.5px;margin:22px 0 0}
.hero h1 .grad{
  display:block;margin-top:6px;
  background:linear-gradient(100deg,#4F7DFF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.85;color:var(--t-sub);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px}
.trust-row span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--t-dim)}
.trust-row i{color:var(--c-accent);font-size:13px}
.hero-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--shadow-float);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  padding:16px;overflow:hidden;
}
.hero-card-media{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10}
.hero-card-media img{width:100%;height:100%;object-fit:cover}
.hero-play{
  position:absolute;inset:0;margin:auto;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;color:#06101f;font-size:16px;
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  box-shadow:0 10px 28px rgba(255,158,31,.45);
}
.hero-card-body{padding:18px 6px 6px}
.hero-card-title{font-size:18px;font-weight:700;margin-top:12px}
.hero-card-body p{margin-top:8px;font-size:14px;color:var(--t-sub);line-height:1.75}
.badge-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;white-space:nowrap;
  color:var(--c-accent);background:rgba(51,214,192,.14);border:1px solid rgba(51,214,192,.34);
}

/* ============ 價值三點 ============ */
.value-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:56px 0}
.value-item{padding:0 34px;position:relative}
.value-item + .value-item::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,transparent,var(--line-hi),transparent);
}
.value-item:first-child{padding-left:0}
.value-item:last-child{padding-right:0}
.value-item i{font-size:26px;color:var(--c-primary);margin-bottom:14px;display:block}
.value-item h3{font-size:17px;font-weight:600;margin-bottom:8px}
.value-item p{font-size:14px;color:var(--t-sub);line-height:1.75}

/* ============ 痛點區 ============ */
.pain-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.pain-grid h2{font-size:30px;line-height:1.35;margin-bottom:20px}
.pain-list{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.pain-list li{display:flex;gap:12px;font-size:15.5px;color:var(--t-sub);line-height:1.8}
.pain-list i{color:var(--c-accent);font-size:14px;margin-top:7px;flex-shrink:0}
.pain-media{
  border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);
  background:var(--surface);padding:14px;box-shadow:var(--shadow-card);
}
.pain-media img{border-radius:var(--r-img);width:100%;aspect-ratio:16/10;object-fit:cover}

/* ============ 解決方案 ============ */
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.sol-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px;box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.sol-card::after{
  content:"";position:absolute;top:-46%;right:-28%;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,125,255,.4),transparent 70%);
  opacity:0;transition:opacity .35s var(--ease);pointer-events:none;
}
.sol-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--shadow-float)}
.sol-card:hover::after{opacity:1}
.sol-card--tall{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between}
.sol-icon{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;
  background:rgba(79,125,255,.14);border:1px solid rgba(79,125,255,.32);
  color:var(--c-primary);font-size:20px;margin-bottom:22px;
}
.sol-card h3{font-size:21px;font-weight:600;margin-bottom:12px;line-height:1.4}
.sol-card p{font-size:14.5px;color:var(--t-sub);line-height:1.8}
.sol-card .link-more{margin-top:22px;font-size:14px}
.sol-card--tall .sol-foot{margin-top:30px}

/* ============ 數據帶 ============ */
.stats-band{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:68px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-num{
  font-family:"JetBrains Mono",monospace;font-size:38px;font-weight:700;line-height:1.2;
  background:linear-gradient(120deg,#4F7DFF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-line{width:40px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--c-accent),rgba(51,214,192,0));margin:14px auto}
.stat-label{font-size:13px;color:var(--t-sub);letter-spacing:.02em}

/* ============ 最新內容 ============ */
.latest-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:24px;align-items:stretch}
.latest-side{display:flex;flex-direction:column;gap:16px}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--shadow-float)}
.post-anchor{display:block;color:inherit;height:100%}
.post-anchor:hover{color:inherit}
.post-card--feature .post-thumb{aspect-ratio:16/9;overflow:hidden}
.post-card--feature .post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.post-card--feature:hover .post-thumb img{transform:scale(1.04)}
.post-card--feature .post-info{padding:28px}
.post-info h3{
  font-size:19px;font-weight:600;line-height:1.45;margin:13px 0 9px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-info p{
  font-size:14px;color:var(--t-sub);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:7px;margin-top:16px;font-size:13px;color:var(--t-dim)}
.post-card--mini .post-anchor{display:grid;grid-template-columns:118px 1fr;gap:16px;padding:14px;align-items:center}
.post-card--mini .post-thumb{border-radius:10px;overflow:hidden;aspect-ratio:4/3}
.post-card--mini .post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.post-card--mini:hover .post-thumb img{transform:scale(1.06)}
.post-card--mini h3{
  font-size:15px;font-weight:600;line-height:1.5;margin:8px 0 0;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card--mini p{
  font-size:13px;color:var(--t-sub);margin-top:6px;line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card--mini .post-meta{margin-top:9px;font-size:12px}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:72px 24px;text-align:center;
  background:var(--surface);border:1px dashed var(--line-hi);border-radius:var(--r-card);
}
.empty-state i{font-size:44px;color:var(--t-dim)}
.empty-state p{font-size:14px;color:var(--t-sub)}

/* ============ 證言 ============ */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.testi-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.testi-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--shadow-float)}
.testi-card:nth-child(2){margin-top:-24px}
.stars{display:flex;gap:4px;color:var(--c-cta);font-size:13px;margin-bottom:16px}
.testi-card blockquote{margin:0;font-size:15px;line-height:1.85;color:var(--t-main)}
.testi-user{display:flex;align-items:center;gap:12px;margin-top:22px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-size:14px;font-weight:700;color:#06101f;
  background:linear-gradient(135deg,#4F7DFF,#33D6C0);
}
.testi-user .name{font-size:14px;font-weight:600}
.testi-user .role{font-size:12px;color:var(--t-dim)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .25s var(--ease),background .25s var(--ease);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.faq-item.is-open{border-color:var(--line-hi);background:rgba(18,28,48,.85)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
  opacity:0;transition:opacity .3s var(--ease);
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:none;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--t-main);line-height:1.6;
}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;transition:transform .3s var(--ease)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px;transition:opacity .3s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(135deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--t-sub);line-height:1.85}

/* ============ 終端 CTA ============ */
.cta-panel{
  max-width:1080px;margin:0 auto;text-align:center;padding:64px 40px;border-radius:var(--r-panel);
  background:
    radial-gradient(600px 300px at 50% 0%,rgba(79,125,255,.22),transparent 70%),
    var(--surface);
  border:1px solid var(--line-hi);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-float);
}
.cta-panel h2{font-size:30px;line-height:1.35;margin-bottom:14px}
.cta-panel .cta-sub{font-size:15px;color:var(--t-sub);max-width:560px;margin:0 auto 30px}
.cta-note{margin-top:20px;font-size:12px;color:var(--t-dim);line-height:1.7}

/* ============ 頁腳 ============ */
.site-footer{position:relative;background:#080E1C;margin-top:96px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-primary),transparent);opacity:.6;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding:72px 0 52px}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--t-sub);line-height:1.8;max-width:300px}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--t-sub);font-size:14px;
  transition:.25s var(--ease);
}
.footer-social a:hover{color:var(--c-primary);border-color:var(--line-hi);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.06em;margin-bottom:18px;color:var(--t-main)}
.footer-col li + li{margin-top:11px}
.footer-col a{font-size:14px;color:var(--t-sub)}
.footer-col a:hover{color:var(--c-primary)}
.footer-sub p{font-size:13.5px;color:var(--t-sub);line-height:1.75;margin-bottom:16px}
.sub-form{display:flex;gap:8px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 150px;min-width:0;height:48px;padding:0 15px;border-radius:12px;
  background:rgba(10,18,34,.7);border:1px solid var(--line);color:var(--t-main);font-size:14px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.sub-form input::placeholder{color:var(--t-dim)}
.sub-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(79,125,255,.18)}
.sub-form button{
  height:48px;padding:0 22px;border-radius:12px;border:none;cursor:pointer;
  font-size:14px;font-weight:600;color:#2A1700;
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  transition:transform .25s var(--ease),filter .25s var(--ease);
}
.sub-form button:hover{transform:translateY(-2px);filter:brightness(1.06)}
.sub-msg{margin-top:10px;font-size:12.5px;color:var(--c-accent);min-height:18px}
.footer-bottom{
  border-top:1px solid var(--line);padding:24px 0 30px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t-dim);
}

/* ============ 行動底部 Tab ============ */
.mobile-tabs{display:none}
@media (max-width:767.98px){
  body{padding-bottom:76px}
  .mobile-tabs{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    height:calc(64px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(7,12,24,.92);
    -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
    border-top:1px solid var(--line);
  }
  .mobile-tabs a{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    position:relative;font-size:11px;color:var(--t-dim);letter-spacing:.02em;
  }
  .mobile-tabs a i{font-size:18px}
  .mobile-tabs a.is-active{color:var(--c-primary)}
  .mobile-tabs a.is-active::before{
    content:"";position:absolute;top:7px;width:4px;height:4px;border-radius:50%;
    background:var(--c-primary);box-shadow:0 0 8px var(--c-primary);
  }
}

/* ============ 響應式 ============ */
@media (max-width:1199.98px){
  .hero h1{font-size:40px}
}
@media (max-width:991.98px){
  .shell{padding:0 24px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-actions .btn-cta{display:none}
  .hamburger{display:grid}
  .hero{min-height:auto;padding:120px 0 68px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-card{display:none}
  .hero h1{font-size:36px}
  .value-strip{grid-template-columns:1fr;padding:44px 0}
  .value-item{padding:24px 0}
  .value-item + .value-item::before{left:0;right:0;top:0;bottom:auto;width:auto;height:1px;background:linear-gradient(90deg,transparent,var(--line-hi),transparent)}
  .value-item:first-child{padding-top:0}
  .pain-grid{grid-template-columns:1fr;gap:36px}
  .solution-grid{grid-template-columns:1fr}
  .sol-card--tall{grid-row:auto}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:36px}
  .stat-num{font-size:30px}
  .latest-grid{grid-template-columns:1fr}
  .testi-grid{grid-template-columns:1fr}
  .testi-card:nth-child(2){margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:56px 0 40px}
  .site-footer{margin-top:72px}
  .cta-panel{padding:48px 26px}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .section-head h2{font-size:23px}
  .hero h1{font-size:30px;line-height:1.3}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-cta,.hero-actions .btn-ghost{flex:1 1 100%}
  .pain-grid h2{font-size:23px}
  .sol-card{padding:26px}
  .sol-card h3{font-size:18px}
  .cta-panel h2{font-size:23px}
  .post-card--mini .post-anchor{grid-template-columns:96px 1fr;gap:13px}
  .faq-q{font-size:15.5px;padding:17px 18px}
  .faq-a p{padding:0 18px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;font-size:12.5px}
  .stats-band{padding:48px 0}
}
@media (max-width:519.98px){
  .shell{padding:0 18px}
  .brand-main{font-size:15px}
  .hero{padding:104px 0 56px}
  .hero h1{font-size:26px}
  .stat-num{font-size:26px}
  .section-head h2{font-size:21px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .post-card:hover,.sol-card:hover,.testi-card:hover,.btn-cta:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: article */
:root{
  --bg-deep:#070C18;
  --bg-mid:#0B1324;
  --surface:rgba(18,28,48,.66);
  --surface-solid:#101A2E;
  --line:rgba(120,160,255,.14);
  --line-hi:rgba(120,160,255,.32);
  --c-primary:#4F7DFF;
  --c-accent:#33D6C0;
  --c-cta:#FFB13D;
  --cta-grad:linear-gradient(135deg,#FFC65C,#FF9E1F);
  --t-main:#E8EEFB;
  --t-sub:#93A3C0;
  --t-dim:#64748B;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:24px;
  --sh-card:0 12px 32px rgba(0,0,0,.45);
  --sh-float:0 24px 60px rgba(0,0,0,.6);
  --sh-glow:0 0 0 1px rgba(79,125,255,.35),0 8px 28px rgba(79,125,255,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-top:72px;
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:linear-gradient(160deg,#070C18 0%,#0B1324 52%,#070C18 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(79,125,255,.35);color:#fff}
:focus-visible{outline:2px dashed var(--c-primary);outline-offset:3px;border-radius:6px}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:72px 0}
.section-tight{padding:48px 0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:72px;
  background:rgba(7,12,24,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(7,12,24,.88)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#06101F;font-size:15px;
  box-shadow:0 8px 22px rgba(79,125,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-main{
  font-size:16px;font-weight:800;letter-spacing:.02em;
  background:linear-gradient(90deg,#8FAEFF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{font-size:10px;color:var(--t-sub);letter-spacing:.22em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--t-sub);
  transition:color .24s var(--ease),background .24s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
  box-shadow:0 0 10px rgba(79,125,255,.8);
}
.nav-link:hover{color:var(--t-main);background:rgba(120,160,255,.07)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-ghost-ico{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line);color:var(--t-sub);
  transition:all .24s var(--ease);
}
.btn-ghost-ico:hover{color:var(--t-main);border-color:var(--line-hi);background:rgba(24,36,60,.8)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:0;
  background:var(--cta-grad);color:#20140A;
  font-size:15px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 10px 26px rgba(255,158,31,.3);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease);
}
.btn-cta:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 14px 34px rgba(255,158,31,.42);color:#20140A}
.btn-cta:active{transform:translateY(0)}
.btn-glass{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line-hi);color:var(--t-main);
  font-size:15px;font-weight:600;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:all .26s var(--ease);
}
.btn-glass:hover{background:rgba(26,40,66,.85);border-color:var(--line-hi);transform:translateY(-2px);color:var(--t-main)}
.btn-glass:active{transform:translateY(0)}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--t-main);
  align-items:center;justify-content:center;font-size:16px;
}
.mobile-drawer{
  position:fixed;inset:0;z-index:1040;display:none;
  background:rgba(5,9,18,.94);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  padding:88px 24px 32px;
}
.mobile-drawer.is-open{display:block}
.drawer-head{position:absolute;top:0;left:0;right:0;height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:42px;height:42px;border-radius:12px;background:var(--surface);border:1px solid var(--line);color:var(--t-main);font-size:16px}
.drawer-links{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 18px;border-radius:14px;background:var(--surface);
  border:1px solid var(--line);font-size:16px;font-weight:600;color:var(--t-main);
}
.drawer-links a.is-active{color:var(--c-primary);border-color:var(--line-hi)}
.drawer-cta{margin-top:22px;display:block;text-align:center}

/* ---------- Mobile bottom tabs ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1035;
  height:calc(64px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(8,14,28,.86);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
}
.tabbar-inner{display:flex;height:64px}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--t-dim);font-size:11px;position:relative;transition:color .24s var(--ease);
}
.tab-item i{font-size:17px}
.tab-item.is-active{color:var(--c-primary)}
.tab-item.is-active::before{
  content:"";position:absolute;top:7px;width:4px;height:4px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 10px 2px rgba(79,125,255,.9);
}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--t-sub);
}
.crumb a{color:var(--t-sub);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--t-dim)}
.crumb .cur{color:var(--t-main);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:44px 0 48px;
  background:
    linear-gradient(180deg,rgba(7,12,24,.72),rgba(7,12,24,.97)),
    radial-gradient(900px 380px at 12% 0%,rgba(79,125,255,.22),transparent 70%),
    url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,125,255,.6),transparent);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(51,214,192,.1);border:1px solid rgba(51,214,192,.42);
  color:var(--c-accent);font-size:12px;font-weight:600;letter-spacing:.06em;
  margin-bottom:18px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 10px 2px rgba(51,214,192,.8)}
.article-hero h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.5px;
  margin:0 0 18px;max-width:920px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--t-dim);
}
.article-meta .divider{width:1px;height:12px;background:var(--line-hi)}
.article-meta i{color:var(--c-primary);margin-right:5px;font-size:12px}

/* ---------- Layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;
  gap:32px;align-items:start;
  padding:44px 0 8px;
}
.article-panel{
  max-width:820px;
  background:rgba(16,26,46,.55);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:40px;
  box-shadow:var(--sh-card);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
}
.article-body{max-width:760px}
.article-body > *:first-child{margin-top:0}
.article-body p{font-size:16px;line-height:1.85;color:#C9D5E8;margin:0 0 1.15em}
.article-body h2{
  font-size:26px;line-height:1.35;font-weight:700;color:var(--t-main);
  margin:2em 0 .65em;padding-left:14px;border-left:4px solid var(--c-primary);border-radius:2px;
}
.article-body h3{
  font-size:19px;line-height:1.45;font-weight:600;color:var(--t-main);
  margin:1.7em 0 .6em;padding-left:16px;position:relative;
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;
  background:var(--c-accent);box-shadow:0 0 10px rgba(51,214,192,.6);
}
.article-body h4{font-size:17px;color:var(--t-main);margin:1.4em 0 .5em}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;transition:color .2s var(--ease)}
.article-body a:hover{color:var(--c-accent)}
.article-body strong{color:#fff;font-weight:700}
.article-body ul,.article-body ol{padding-left:4px;margin:0 0 1.2em}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:20px;margin-bottom:.5em;line-height:1.8;color:#C9D5E8;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.75em;width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 8px rgba(79,125,255,.7);
}
.article-body ol{counter-reset:olnum}
.article-body ol li{counter-increment:olnum}
.article-body ol li::before{
  content:counter(olnum);position:absolute;left:0;top:0;
  font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--c-accent);font-weight:700;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--c-accent);
  background:rgba(51,214,192,.06);
  border-radius:0 12px 12px 0;
  color:#D6E2F4;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:1.4em 0;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--t-dim);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;display:block;overflow-x:auto;
  margin:1.5em 0;font-size:14px;border-radius:12px;
}
.article-body th{
  background:rgba(79,125,255,.12);color:var(--t-main);
  font-size:13px;font-weight:600;text-align:left;padding:11px 14px;white-space:nowrap;
  border-bottom:1px solid var(--line-hi);
}
.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);color:#C1CEE2;white-space:nowrap}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(79,125,255,.45),transparent);margin:2em 0}

.empty-state{
  text-align:center;padding:64px 20px;
}
.empty-state .ico{
  width:64px;height:64px;margin:0 auto 20px;border-radius:20px;
  display:grid;place-items:center;font-size:24px;color:var(--c-primary);
  background:rgba(79,125,255,.1);border:1px solid var(--line-hi);
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--t-sub);font-size:15px;margin-bottom:22px}

/* ---------- Sidebar ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--sh-card);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .28s var(--ease),background .28s var(--ease);
}
.side-card:hover{border-color:var(--line-hi)}
.side-title{
  display:flex;align-items:center;gap:9px;
  font-size:15px;font-weight:700;margin-bottom:16px;color:var(--t-main);
}
.side-title::before{
  content:"";width:4px;height:16px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
}
.side-list li + li{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.side-item{display:flex;gap:12px;align-items:flex-start;transition:transform .24s var(--ease)}
.side-item:hover{transform:translateX(3px)}
.side-thumb{
  width:64px;height:48px;border-radius:8px;overflow:hidden;flex-shrink:0;
  background:var(--surface-solid);
}
.side-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.side-item:hover .side-thumb img{transform:scale(1.08)}
.side-item h4{
  font-size:13.5px;line-height:1.5;font-weight:600;color:var(--t-main);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-item:hover h4{color:var(--c-primary)}
.side-item .time{display:block;font-size:11.5px;color:var(--t-dim);margin-top:5px;font-family:"JetBrains Mono",monospace}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(51,214,192,.1);border:1px solid rgba(51,214,192,.32);
  color:var(--c-accent);font-size:12px;font-weight:600;letter-spacing:.03em;
  transition:all .24s var(--ease);
}
.tag-pill:hover{background:rgba(51,214,192,.2);color:#8FF3E6;border-color:rgba(51,214,192,.6)}
.side-cta{
  background:linear-gradient(160deg,rgba(79,125,255,.16),rgba(51,214,192,.08)),var(--surface-solid);
  border:1px solid var(--line-hi);
}
.side-cta h4{font-size:16px;margin-bottom:8px}
.side-cta p{font-size:13px;color:var(--t-sub);line-height:1.7;margin-bottom:16px}
.side-cta .btn-cta{width:100%;padding:11px 20px;font-size:14px}

/* ---------- Article footer blocks ---------- */
.post-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;
}
.post-nav a{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;border-radius:16px;
  background:var(--surface);border:1px solid var(--line);
  transition:all .28s var(--ease);
}
.post-nav a:hover{border-color:var(--line-hi);transform:translateY(-3px);background:rgba(24,36,60,.8)}
.post-nav .dir{font-size:12px;color:var(--c-accent);letter-spacing:.06em;font-weight:600}
.post-nav .ttl{font-size:14.5px;color:var(--t-main);font-weight:600;line-height:1.55}
.post-nav a.next{text-align:right;align-items:flex-end}
.back-wrap{text-align:center;margin-top:30px}

/* ---------- Related grid ---------- */
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:30px;flex-wrap:wrap;
}
.sec-head h2{font-size:30px;line-height:1.35;position:relative;padding-left:16px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
}
.sec-head p{font-size:14.5px;color:var(--t-sub);margin:0;max-width:520px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-hi);background:rgba(24,36,60,.78)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-solid)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(51,214,192,.1);border:1px solid rgba(51,214,192,.32);
  color:var(--c-accent);font-size:11.5px;font-weight:600;letter-spacing:.05em;
  align-self:flex-start;
}
.rel-body h3{
  font-size:16.5px;line-height:1.5;font-weight:600;color:var(--t-main);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover h3{color:#A9C2FF}
.rel-body p{
  font-size:13.5px;line-height:1.7;color:var(--t-sub);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--t-dim);font-family:"JetBrains Mono",monospace;
}
.rel-meta i{margin-right:5px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .28s var(--ease),background .28s var(--ease);
  position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
  opacity:0;transition:opacity .28s var(--ease);
}
.faq-item[open]{border-color:var(--line-hi);background:rgba(24,36,60,.72)}
.faq-item[open]::before{opacity:1}
.faq-item 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(--t-main);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;
  background:rgba(79,125,255,.14);border:1px solid var(--line-hi);color:var(--c-primary);
  transition:transform .3s var(--ease),color .3s var(--ease);
}
.faq-item[open] summary .plus{transform:rotate(45deg);color:var(--c-accent);background:rgba(51,214,192,.14);border-color:rgba(51,214,192,.4)}
.faq-item .answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--t-sub)}

/* ---------- CTA panel ---------- */
.cta-panel{
  max-width:1080px;margin:0 auto;text-align:center;
  padding:52px 40px;border-radius:var(--r-lg);
  background:
    radial-gradient(600px 260px at 50% 0%,rgba(79,125,255,.22),transparent 70%),
    linear-gradient(160deg,rgba(23,35,58,.9),rgba(14,22,38,.94));
  border:1px solid var(--line-hi);
  box-shadow:var(--sh-float);
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
}
.cta-panel h2{font-size:30px;line-height:1.35;margin-bottom:12px}
.cta-panel h2 span{
  background:linear-gradient(90deg,#8FAEFF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cta-panel p{font-size:15px;color:var(--t-sub);max-width:600px;margin:0 auto 26px}
.cta-note{font-size:12px;color:var(--t-dim);margin:18px 0 0}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:80px;
  background:#080E1C;
  position:relative;
  padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,125,255,.7),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand p{font-size:13.5px;color:var(--t-sub);line-height:1.8;margin:16px 0 18px;max-width:300px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(18,28,48,.8);border:1px solid var(--line);color:var(--t-sub);
  font-size:13px;transition:all .24s var(--ease);
}
.footer-social a:hover{color:var(--c-primary);border-color:var(--line-hi);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--t-main);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul li + li{margin-top:10px}
.footer-col ul a{font-size:13.5px;color:var(--t-sub);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-col ul a:hover{color:var(--c-primary);padding-left:4px}
.footer-sub p{font-size:13px;color:var(--t-sub);line-height:1.75;margin-bottom:14px}
.sub-form{display:flex;gap:8px}
.sub-form input{
  flex:1;min-width:0;height:46px;padding:0 14px;border-radius:12px;
  background:rgba(10,18,34,.7);border:1px solid var(--line);
  color:var(--t-main);font-size:14px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.sub-form input::placeholder{color:var(--t-dim)}
.sub-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(79,125,255,.18)}
.sub-form button{
  height:46px;padding:0 20px;border-radius:12px;border:0;
  background:var(--cta-grad);color:#20140A;font-size:14px;font-weight:700;
  transition:transform .24s var(--ease),filter .24s var(--ease);
}
.sub-form button:hover{transform:translateY(-2px);filter:brightness(1.06)}
.sub-msg{font-size:12.5px;color:var(--c-accent);margin:10px 0 0;min-height:18px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t-dim);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .shell{padding:0 24px}
  .article-hero h1{font-size:38px}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .burger{display:flex}
  .header-actions .btn-cta{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:30px}
  .side-col{position:static}
  .article-panel{padding:30px 24px;max-width:none}
  .article-hero h1{font-size:32px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sec-head h2{font-size:26px}
}
@media (max-width:767.98px){
  body{padding-bottom:76px}
  .tabbar{display:block}
  .shell{padding:0 18px}
  .section{padding:56px 0}
  .article-hero{padding:32px 0 34px}
  .article-hero h1{font-size:26px;line-height:1.3;margin-bottom:14px}
  .article-meta{font-size:12px;gap:8px}
  .article-layout{padding:30px 0 0}
  .article-panel{padding:22px 18px;border-radius:16px}
  .article-body p{font-size:15.5px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:17.5px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .post-nav{grid-template-columns:minmax(0,1fr)}
  .post-nav a.next{text-align:left;align-items:flex-start}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-item .answer{padding:0 18px 18px;font-size:14.5px}
  .cta-panel{padding:36px 22px;border-radius:20px}
  .cta-panel h2{font-size:23px}
  .sec-head h2{font-size:23px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .site-footer{margin-top:56px;padding-top:48px}
}
@media (max-width:575.98px){
  .article-hero h1{font-size:23px}
  .brand-main{font-size:15px}
  .brand-mark{width:36px;height:36px;border-radius:10px}
  .article-meta .divider{display:none}
  .article-meta{flex-direction:column;align-items:flex-start;gap:4px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .rel-card:hover,.btn-cta:hover,.btn-glass:hover,.side-item:hover{transform:none !important}
}

/* roulang page: category1 */
:root{
  --bg-deep:#070C18;
  --bg-mid:#0B1324;
  --bg-band:#0A1426;
  --c-primary:#4F7DFF;
  --c-accent:#33D6C0;
  --c-cta:#FFB13D;
  --surface:rgba(18,28,48,.66);
  --surface-solid:#101A2E;
  --line:rgba(120,160,255,.14);
  --line-hi:rgba(120,160,255,.32);
  --t-main:#E8EEFB;
  --t-sub:#93A3C0;
  --t-dim:#64748B;
  --r-card:18px;
  --r-panel:24px;
  --r-img:14px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --shadow-float:0 24px 60px rgba(0,0,0,.6);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:linear-gradient(160deg,#070C18 0%,#0B1324 55%,#070C18 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease);}
img{max-width:100%;display:block;}
button{font:inherit;}
h1,h2,h3,h4,p,ul,dl,dd{margin:0;}
ul{padding:0;list-style:none;}
:focus-visible{outline:2px dashed var(--c-primary);outline-offset:3px;border-radius:6px;}
.shell{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(7,12,24,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(7,12,24,.88);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#4F7DFF,#33D6C0);
  color:#04101F;font-size:15px;
  box-shadow:0 0 0 1px rgba(79,125,255,.35),0 8px 20px rgba(79,125,255,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{
  font-size:16px;font-weight:800;letter-spacing:.02em;
  background:linear-gradient(90deg,#8FADFF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{font-size:10px;letter-spacing:.26em;color:var(--t-sub);margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;padding:8px 12px;font-size:14.5px;color:var(--t-sub);
  border-radius:10px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#4F7DFF,#33D6C0);
  transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-link:hover{color:var(--t-main);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--t-main);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(79,125,255,.75);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line-hi);color:var(--t-sub);
  cursor:pointer;transition:all .24s var(--ease);
}
.icon-btn:hover{color:var(--t-main);border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(79,125,255,.16);}
.nav-toggle{display:none;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;border:0;
  font-size:16px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),filter .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  color:#241503;
  box-shadow:0 0 0 1px rgba(255,177,61,.35),0 10px 26px rgba(255,158,31,.28);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 0 0 1px rgba(255,177,61,.5),0 16px 36px rgba(255,158,31,.42);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--surface);color:var(--t-main);
  border:1px solid var(--line-hi);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:0 12px 28px rgba(79,125,255,.2);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 22px;font-size:14px;}
.link-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-more i{transition:transform .24s var(--ease);}
.link-more:hover{color:var(--c-accent);}
.link-more:hover i{transform:translateX(4px);}

/* ===== Badges ===== */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--c-accent);background:rgba(51,214,192,.13);border:1px solid rgba(51,214,192,.4);
}
.badge-dot{width:6px;height:6px;border-radius:999px;background:var(--c-accent);box-shadow:0 0 8px var(--c-accent);}

/* ===== Hero ===== */
.cat-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;min-height:340px;
  background-image:linear-gradient(180deg,rgba(7,12,24,.58),rgba(7,12,24,.95)),url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 320px at 12% 0%,rgba(79,125,255,.22),transparent 70%);
}
.cat-hero .shell{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-sub);margin-bottom:22px;}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--t-dim);}
.crumb .cur{color:var(--t-main);}
.hero-title{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.5px;
  margin:0 0 16px;max-width:840px;
}
.hero-title .h1-sub{
  display:block;margin-top:12px;font-size:18px;font-weight:600;letter-spacing:.03em;
  background:linear-gradient(90deg,#8FADFF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{max-width:660px;font-size:16px;color:var(--t-sub);}
.hero-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px;}
.stat-pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line-hi);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  font-size:13px;color:var(--t-sub);
}
.stat-pill strong{
  font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:17px;color:var(--c-accent);letter-spacing:.02em;
}

/* ===== Sections ===== */
.section{padding:96px 0;}
.section-tight{padding:72px 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:30px;line-height:1.35;font-weight:700;margin:0 0 8px;}
.section-head p{font-size:15px;color:var(--t-sub);max-width:620px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--c-accent);
}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--c-accent),transparent);}

/* ===== Feature list ===== */
.spec-row{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.spec-item{padding:32px 28px;position:relative;}
.spec-item + .spec-item{border-left:1px solid var(--line);}
.spec-item i{font-size:26px;color:var(--c-primary);margin-bottom:14px;display:block;}
.spec-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.spec-item p{font-size:14px;color:var(--t-sub);line-height:1.7;}

/* ===== Card grid ===== */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.v-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.v-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:0 18px 44px rgba(0,0,0,.55);}
.v-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0A1426;}
.v-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.v-card:hover .thumb img{transform:scale(1.04);}
.v-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.v-body h3{font-size:19px;font-weight:600;line-height:1.45;}
.v-body p{
  font-size:14.5px;color:var(--t-sub);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.v-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:6px;font-size:13px;color:var(--t-dim);
}
.v-meta .time{display:inline-flex;align-items:center;gap:6px;}
.is-feature{grid-column:span 2;flex-direction:row;}
.is-feature .thumb{aspect-ratio:auto;width:52%;min-height:300px;flex-shrink:0;}
.is-feature .v-body{padding:32px;justify-content:center;gap:14px;}
.is-feature .v-body h3{font-size:26px;line-height:1.35;}
.is-feature .v-body p{-webkit-line-clamp:3;font-size:15px;}
.grid-foot{display:flex;justify-content:center;margin-top:44px;}

/* ===== Chip nav ===== */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-size:14.5px;color:var(--t-sub);
  background:var(--surface);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:all .24s var(--ease);
}
.chip:hover{color:var(--t-main);border-color:var(--line-hi);transform:translateY(-2px);}
.chip.is-current{
  color:#04140F;background:linear-gradient(135deg,#5FE3D0,#33D6C0);
  border-color:transparent;font-weight:600;
  box-shadow:0 8px 22px rgba(51,214,192,.28);
}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;position:relative;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:border-color .28s var(--ease),background .28s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,#4F7DFF,#33D6C0);
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);
}
.faq-item.is-open{border-color:var(--line-hi);background:rgba(22,34,58,.72);}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 24px;background:none;border:0;color:var(--t-main);
  font-size:17px;font-weight:600;text-align:left;cursor:pointer;line-height:1.5;
}
.faq-q .faq-ico{
  flex-shrink:0;width:26px;height:26px;border-radius:999px;display:grid;place-items:center;
  border:1px solid var(--line-hi);color:var(--c-primary);font-size:12px;
  transition:transform .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.faq-item.is-open .faq-ico{transform:rotate(45deg);color:var(--c-accent);border-color:rgba(51,214,192,.5);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease);}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{padding:0 24px 20px 24px;font-size:15px;color:var(--t-sub);line-height:1.8;}

/* ===== CTA ===== */
.cta-panel{
  max-width:1080px;margin:0 auto;padding:56px 40px;text-align:center;
  border-radius:var(--r-panel);border:1px solid var(--line-hi);
  background:linear-gradient(150deg,rgba(79,125,255,.16),rgba(51,214,192,.07) 60%,rgba(255,177,61,.08));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-float);
}
.cta-panel h2{font-size:30px;line-height:1.35;font-weight:700;margin-bottom:14px;}
.cta-panel p{font-size:15.5px;color:var(--t-sub);max-width:600px;margin:0 auto 28px;}
.cta-note{margin-top:20px;font-size:12px;color:var(--t-dim);line-height:1.7;}

/* ===== Footer ===== */
.site-footer{
  position:relative;background:#080E1C;padding:72px 0 0;margin-top:96px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,125,255,.6),rgba(51,214,192,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:52px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t-sub);line-height:1.8;max-width:300px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--t-sub);font-size:14px;
  transition:all .24s var(--ease);
}
.footer-social a:hover{color:var(--c-primary);border-color:var(--line-hi);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--t-main);margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--t-sub);}
.footer-col a:hover{color:var(--c-primary);}
.footer-sub p{font-size:13.5px;color:var(--t-sub);margin-bottom:16px;line-height:1.7;}
.sub-form{display:flex;gap:8px;}
.sub-form input{
  flex:1;min-width:0;height:48px;padding:0 16px;border-radius:12px;
  background:rgba(10,18,34,.7);border:1px solid var(--line);color:var(--t-main);
  font-size:14px;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.sub-form input::placeholder{color:var(--t-dim);}
.sub-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(79,125,255,.18);}
.sub-form button{
  height:48px;padding:0 24px;border-radius:12px;border:0;cursor:pointer;
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);color:#241503;
  font-size:14px;font-weight:600;
  transition:transform .24s var(--ease),filter .24s var(--ease);
}
.sub-form button:hover{transform:translateY(-2px);filter:brightness(1.05);}
.sub-msg{font-size:13px;color:var(--c-accent);margin-top:10px;min-height:20px;}
.sub-msg.is-error{color:#FF6B6B;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:24px 0 32px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t-dim);
}

/* ===== Mobile tab bar ===== */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:220;
  height:calc(64px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(7,12,24,.9);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--t-sub);position:relative;padding-top:6px;
}
.tabbar a i{font-size:18px;}
.tabbar a.is-active{color:var(--c-primary);}
.tabbar a.is-active::before{
  content:"";position:absolute;top:0;width:4px;height:4px;border-radius:999px;
  background:var(--c-primary);box-shadow:0 0 8px var(--c-primary);
}

/* ===== Mobile drawer ===== */
.drawer{
  position:fixed;inset:0;z-index:300;display:none;
  background:rgba(7,12,24,.96);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  padding:24px 24px calc(24px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-links{display:grid;gap:6px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px;border-radius:14px;font-size:16px;color:var(--t-sub);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.drawer-links a.is-active{color:var(--t-main);border-color:var(--line-hi);background:rgba(79,125,255,.12);}
.drawer-links a i{font-size:13px;color:var(--t-dim);}
.drawer-cta{margin-top:24px;}

/* ===== Responsive ===== */
@media (max-width:1199.98px){
  .shell{padding:0 28px;}
  .nav-link{padding:8px 10px;font-size:14px;}
}
@media (max-width:991.98px){
  .shell{padding:0 24px;}
  .nav-links{display:none;}
  .nav-toggle{display:grid;}
  .nav-actions .btn-cta-desktop{display:none;}
  .hero-title{font-size:36px;}
  .section{padding:72px 0;}
  .is-feature{flex-direction:column;}
  .is-feature .thumb{width:100%;min-height:0;aspect-ratio:16/9;}
  .is-feature .v-body{padding:24px;}
  .is-feature .v-body h3{font-size:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .spec-row{grid-template-columns:1fr;}
  .spec-item + .spec-item{border-left:0;border-top:1px solid var(--line);}
}
@media (max-width:767.98px){
  body{padding-bottom:76px;}
  .shell{padding:0 18px;}
  .tabbar{display:flex;}
  .cat-hero{padding:36px 0 44px;min-height:240px;}
  .hero-title{font-size:30px;line-height:1.3;letter-spacing:-.2px;}
  .hero-title .h1-sub{font-size:15px;margin-top:10px;}
  .hero-desc{font-size:15px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .is-feature{grid-column:span 1;}
  .v-body{padding:18px;}
  .v-body h3{font-size:18px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;font-size:14.5px;}
  .cta-panel{padding:38px 22px;}
  .cta-panel h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;font-size:12px;}
  .site-footer{margin-top:56px;padding-top:52px;}
  .btn{padding:13px 24px;font-size:15px;}
  .stat-pill{padding:9px 14px;font-size:12.5px;}
  .stat-pill strong{font-size:15px;}
}
@media (max-width:519.98px){
  .hero-foot{gap:10px;}
  .chip{padding:10px 16px;font-size:13.5px;}
  .brand-main{font-size:14.5px;}
  .brand-sub{font-size:9px;letter-spacing:.2em;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important;}
  .v-card:hover,.btn:hover,.chip:hover,.footer-social a:hover{transform:none;}
  .v-card:hover .thumb img{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg-deep:#070C18;
  --bg-mid:#0B1324;
  --bg-soft:#0A1426;
  --surface:rgba(18,28,48,.66);
  --surface-2:rgba(16,26,46,.55);
  --surface-solid:#101A2E;
  --line:rgba(120,160,255,.14);
  --line-hi:rgba(120,160,255,.32);
  --c-primary:#4F7DFF;
  --c-accent:#33D6C0;
  --c-cta:#FFB13D;
  --t-main:#E8EEFB;
  --t-sub:#93A3C0;
  --t-dim:#64748B;
  --r-btn:999px;
  --r-card:18px;
  --r-panel:24px;
  --r-img:14px;
  --sh-card:0 12px 32px rgba(0,0,0,.45);
  --sh-float:0 24px 60px rgba(0,0,0,.6);
  --sh-glow:0 0 0 1px rgba(79,125,255,.35),0 8px 28px rgba(79,125,255,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:"JetBrains Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:linear-gradient(160deg,#070C18 0%,#0B1324 52%,#070C18 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--c-accent);}
button,input{font:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px;line-height:1.35;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
::selection{background:rgba(79,125,255,.4);color:#fff;}
:focus-visible{outline:2px dashed var(--c-primary);outline-offset:3px;}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-sm{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:30px;font-weight:700;}
.section-head .sub{color:var(--t-sub);font-size:15px;max-width:520px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--c-accent);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 10px var(--c-accent);}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(7,12,24,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,12,24,.92);border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t-main);flex:0 0 auto;}
.brand:hover{color:var(--t-main);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#4F7DFF,#33D6C0);color:#05101f;font-size:13px;
  box-shadow:0 0 0 1px rgba(79,125,255,.35),0 8px 22px rgba(79,125,255,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-main{
  font-size:16px;font-weight:800;letter-spacing:.02em;
  background:linear-gradient(90deg,#6E96FF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{font-size:10px;letter-spacing:.24em;color:var(--t-sub);}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:10px;
  font-size:14.5px;font-weight:500;color:var(--t-sub);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
  box-shadow:0 0 10px rgba(79,125,255,.7);
}
.nav-link:hover{color:var(--t-main);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line-hi);color:var(--t-sub);
  cursor:pointer;transition:all .28s var(--ease);
}
.icon-btn:hover{color:var(--t-main);border-color:var(--c-primary);box-shadow:0 0 0 1px rgba(79,125,255,.35);}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);border:none;cursor:pointer;
  font-size:15px;font-weight:700;color:#2A1600;
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  box-shadow:0 8px 24px rgba(255,158,31,.28);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),filter .28s var(--ease);
}
.btn-cta:hover{color:#2A1600;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 12px 30px rgba(255,158,31,.42);}
.btn-cta:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:var(--r-btn);cursor:pointer;
  background:rgba(18,28,48,.55);border:1px solid var(--line-hi);color:var(--t-main);
  font-size:15px;font-weight:600;transition:all .28s var(--ease);
}
.btn-ghost:hover{color:var(--t-main);border-color:var(--c-primary);background:rgba(24,36,60,.8);transform:translateY(-2px);}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-primary);}
.btn-text i{transition:transform .28s var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
.hamburger{display:none;}
.mobile-drawer{background:rgba(7,12,24,.98);border-top:1px solid var(--line);}
.mobile-drawer .drawer-list{padding:14px 0 8px;}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;color:var(--t-sub);font-size:16px;border-bottom:1px solid rgba(120,160,255,.08);
}
.mobile-drawer a:last-child{border-bottom:none;}
.mobile-drawer a.is-active{color:var(--c-primary);font-weight:700;}
.drawer-cta{padding:16px 0 22px;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  min-height:340px;display:flex;align-items:center;
  padding:64px 0 56px;
  background-image:
    radial-gradient(circle at 12% 20%,rgba(79,125,255,.24),transparent 55%),
    linear-gradient(180deg,rgba(7,12,24,.62),rgba(7,12,24,.95)),
    url('/assets/images/backpic/back-2.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--t-sub);margin-bottom:20px;}
.crumb a{color:var(--t-sub);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--t-dim);}
.crumb .now{color:var(--t-main);}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:var(--r-btn);
  background:rgba(51,214,192,.08);border:1px solid rgba(51,214,192,.4);
  color:var(--c-accent);font-size:12px;font-weight:600;letter-spacing:.06em;margin-bottom:20px;
}
.hero-badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 10px var(--c-accent);}
.cat-hero h1{
  font-size:44px;font-weight:800;line-height:1.2;letter-spacing:.14em;
  margin-bottom:16px;
}
.cat-hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,#6E96FF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero .lead{font-size:16px;color:var(--t-sub);max-width:560px;margin-bottom:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat-pill{
  display:inline-flex;align-items:baseline;gap:8px;padding:9px 18px;border-radius:var(--r-btn);
  background:var(--surface);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  font-size:13px;color:var(--t-sub);
}
.stat-pill b{font-family:var(--mono);font-size:17px;color:var(--c-accent);font-weight:700;}

/* ---------- rank layout ---------- */
.rank-layout{display:grid;grid-template-columns:255px 1fr;gap:32px;align-items:start;}
.filter-panel{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-panel);padding:24px 22px;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--sh-card);
}
.filter-panel h3{font-size:16px;margin-bottom:6px;}
.filter-panel .hint{font-size:12.5px;color:var(--t-dim);margin-bottom:18px;}
.filter-group{margin-bottom:22px;}
.filter-group:last-child{margin-bottom:0;}
.filter-group .label{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--t-dim);margin-bottom:10px;}
.tag-pills{display:flex;flex-wrap:wrap;gap:8px;}
.tag-pill{
  padding:6px 13px;border-radius:var(--r-btn);font-size:12.5px;cursor:pointer;
  background:rgba(51,214,192,.06);border:1px solid rgba(51,214,192,.28);
  color:var(--c-accent);transition:all .25s var(--ease);
}
.tag-pill:hover{background:rgba(51,214,192,.15);}
.tag-pill.is-on{background:rgba(79,125,255,.18);border-color:var(--c-primary);color:#CFDCFF;box-shadow:0 0 0 1px rgba(79,125,255,.35);}
.sort-list li + li{margin-top:4px;}
.sort-list button{
  width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;border-radius:12px;border:1px solid transparent;background:transparent;
  color:var(--t-sub);font-size:14px;cursor:pointer;transition:all .25s var(--ease);
}
.sort-list button:hover{background:rgba(79,125,255,.1);color:var(--t-main);}
.sort-list button.is-on{background:rgba(79,125,255,.14);border-color:var(--line-hi);color:var(--t-main);font-weight:600;}
.sort-list button span{font-family:var(--mono);font-size:12px;color:var(--t-dim);}

.tile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card-tile{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--sh-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.card-tile:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 18px 40px rgba(0,0,0,.55);}
.tile-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:#0b1526;}
.tile-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.card-tile:hover .tile-media img{transform:scale(1.04);}
.tile-rank{
  position:absolute;top:10px;left:10px;
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.06em;
  padding:4px 10px;border-radius:var(--r-btn);color:#04131f;
  background:linear-gradient(135deg,#33D6C0,#5FE3D2);
  box-shadow:0 6px 16px rgba(51,214,192,.3);
}
.tile-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.badge-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-btn);
  font-size:11.5px;font-weight:600;letter-spacing:.04em;
  color:var(--c-accent);background:rgba(51,214,192,.12);border:1px solid rgba(51,214,192,.4);
  align-self:flex-start;
}
.tile-body h3{font-size:16px;font-weight:600;line-height:1.5;}
.tile-body p{font-size:13.5px;color:var(--t-sub);line-height:1.7;margin:0;}
.tile-meta{
  display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--t-dim);
  margin-top:auto;padding-top:8px;border-top:1px solid rgba(120,160,255,.1);
}
.tile-meta i{font-size:11px;margin-right:4px;color:var(--c-primary);}
.tile-body .btn-text{font-size:13px;margin-top:2px;}

/* ---------- flow ---------- */
.flow-band{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.flow-step{
  position:relative;padding:28px 24px 26px;border-radius:var(--r-panel);
  background:var(--surface-2);border:1px solid var(--line);
}
.flow-step .num{
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--c-primary);margin-bottom:14px;display:block;
}
.flow-step h3{font-size:19px;margin-bottom:10px;}
.flow-step p{font-size:14.5px;color:var(--t-sub);}
.flow-step::after{
  content:"";position:absolute;left:24px;bottom:0;width:44px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-accent),transparent);
}

/* ---------- stats ---------- */
.stat-band{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.stat-item{text-align:left;}
.stat-item .n{
  font-family:var(--mono);font-size:38px;font-weight:700;line-height:1.1;
  background:linear-gradient(120deg,#8FA8FF,#4F7DFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-item .line{width:40px;height:3px;border-radius:3px;margin:12px 0 12px;background:linear-gradient(90deg,var(--c-accent),rgba(51,214,192,0));}
.stat-item .t{font-size:13.5px;color:var(--t-sub);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  position:relative;border-radius:14px;border:1px solid var(--line);
  background:var(--surface);overflow:hidden;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .28s var(--ease);
}
.faq-item:hover{border-color:var(--line-hi);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
  opacity:0;transition:opacity .28s var(--ease);
}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:none;cursor:pointer;
  color:var(--t-main);font-size:17px;font-weight:600;text-align:left;line-height:1.6;
}
.faq-q .pm{
  flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;
  border-radius:50%;border:1px solid var(--line-hi);color:var(--c-primary);
  font-size:13px;transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-item.is-open .pm{transform:rotate(45deg);background:rgba(79,125,255,.16);}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .35s var(--ease),padding .35s var(--ease);}
.faq-item.is-open .faq-a{padding:0 24px 22px;max-height:420px;}
.faq-a p{font-size:15px;color:var(--t-sub);line-height:1.85;}

/* ---------- cross nav ---------- */
.cross-nav{display:flex;flex-wrap:wrap;gap:10px;}
.cross-nav a{
  padding:9px 18px;border-radius:var(--r-btn);font-size:14px;
  background:rgba(18,28,48,.6);border:1px solid var(--line);color:var(--t-sub);
  transition:all .25s var(--ease);
}
.cross-nav a:hover{color:var(--t-main);border-color:var(--line-hi);transform:translateY(-2px);}
.cross-nav a.is-on{color:#CFDCFF;border-color:var(--c-primary);background:rgba(79,125,255,.16);box-shadow:0 0 0 1px rgba(79,125,255,.28);}

/* ---------- cta ---------- */
.cta-panel{
  max-width:1080px;margin:0 auto;text-align:center;padding:56px 40px;
  border-radius:var(--r-panel);border:1px solid var(--line-hi);
  background:
    radial-gradient(circle at 50% 0%,rgba(79,125,255,.22),transparent 62%),
    var(--surface);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),var(--sh-float);
}
.cta-panel h2{font-size:30px;margin-bottom:14px;}
.cta-panel h2 em{
  font-style:normal;
  background:linear-gradient(90deg,#6E96FF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cta-panel p{color:var(--t-sub);font-size:15.5px;max-width:620px;margin:0 auto 26px;}
.cta-note{font-size:12px;color:var(--t-dim);margin-top:20px;}

/* ---------- footer ---------- */
.site-footer{background:#080E1C;padding:72px 0 32px;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,125,255,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand p{font-size:14px;color:var(--t-sub);margin:18px 0 20px;max-width:280px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(18,28,48,.7);border:1px solid var(--line);color:var(--t-sub);font-size:14px;
  transition:all .28s var(--ease);
}
.footer-social a:hover{color:var(--c-primary);border-color:var(--line-hi);transform:translateY(-2px);}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--t-main);margin-bottom:16px;}
.footer-col ul li + li{margin-top:10px;}
.footer-col ul a{font-size:14px;color:var(--t-sub);}
.footer-col ul a:hover{color:var(--c-primary);}
.footer-sub p{font-size:13.5px;color:var(--t-sub);margin-bottom:14px;}
.sub-form{display:flex;gap:8px;}
.sub-form input{
  flex:1;min-width:0;height:48px;border-radius:12px;padding:0 14px;
  background:rgba(10,18,34,.7);border:1px solid var(--line);color:var(--t-main);font-size:14px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.sub-form input::placeholder{color:var(--t-dim);}
.sub-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(79,125,255,.18);}
.sub-form button{
  height:48px;padding:0 22px;border-radius:12px;border:none;cursor:pointer;
  font-size:14px;font-weight:700;color:#2A1600;
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  transition:filter .25s var(--ease),transform .25s var(--ease);
}
.sub-form button:hover{filter:brightness(1.06);transform:translateY(-1px);}
.sub-msg{font-size:12.5px;color:var(--c-accent);margin-top:10px;min-height:18px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(120,160,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--t-dim);
}

/* ---------- mobile tabbar ---------- */
.mobile-tabbar{display:none;}

@media (max-width:1199.98px){
  .shell{padding:0 24px;}
  .tile-grid{grid-template-columns:repeat(3,1fr);gap:16px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .hamburger{display:grid;}
  .nav-cta{display:none;}
  body{padding-top:68px;}
  .nav-inner{height:68px;}
  .cat-hero{min-height:auto;padding:48px 0 44px;}
  .cat-hero h1{font-size:34px;letter-spacing:.1em;}
  .rank-layout{grid-template-columns:1fr;gap:26px;}
  .filter-panel{position:static;}
  .tile-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:1fr;gap:16px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .stat-item .n{font-size:30px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{padding:44px 26px;}
  .cta-panel h2{font-size:24px;}
}
@media (max-width:767.98px){
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom));}
  .mobile-tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    height:calc(64px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(7,12,24,.92);
    -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
    border-top:1px solid var(--line);
  }
  .mobile-tabbar a{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    font-size:11px;color:var(--t-sub);position:relative;
  }
  .mobile-tabbar a i{font-size:18px;}
  .mobile-tabbar a.is-active{color:var(--c-primary);}
  .mobile-tabbar a.is-active::before{
    content:"";position:absolute;top:6px;width:4px;height:4px;border-radius:50%;
    background:var(--c-primary);box-shadow:0 0 8px var(--c-primary);
  }
  .tile-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .cat-hero h1{font-size:30px;letter-spacing:.08em;}
  .cat-hero .lead{font-size:15px;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a{padding:0 18px;}
  .faq-item.is-open .faq-a{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575.98px){
  .shell{padding:0 18px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-item .n{font-size:26px;}
  .hero-stats{gap:8px;}
  .stat-pill{padding:8px 14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;}
  .card-tile:hover{transform:none;}
  .card-tile:hover .tile-media img{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --bg-deep:#070C18;
  --bg-soft:#0B1324;
  --bg-band:#0A1426;
  --c-primary:#4F7DFF;
  --c-accent:#33D6C0;
  --c-cta:#FFB13D;
  --c-cta-2:#FF9E1F;
  --surface:rgba(18,28,48,0.66);
  --surface-solid:#101A2E;
  --line:rgba(120,160,255,0.14);
  --line-hi:rgba(120,160,255,0.32);
  --t-main:#E8EEFB;
  --t-sub:#93A3C0;
  --t-dim:#64748B;
  --r-btn:999px;
  --r-card:18px;
  --r-panel:24px;
  --r-img:14px;
  --sh-card:0 12px 32px rgba(0,0,0,.45);
  --sh-float:0 24px 60px rgba(0,0,0,.6);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:72px;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:linear-gradient(160deg,#070C18 0%,#0B1324 55%,#070C18 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--t-main);letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px dashed var(--c-primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(79,125,255,.35);color:#fff}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===== 導覽列 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;height:72px;
  background:rgba(7,12,24,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(7,12,24,.88)}
.header-inner{height:72px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.brand-mark{
  width:38px;height:38px;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(135deg,rgba(79,125,255,.28),rgba(51,214,192,.22));
  border:1px solid var(--line-hi);
  color:var(--c-accent);font-size:14px;
  box-shadow:0 0 0 1px rgba(79,125,255,.12),0 8px 20px rgba(79,125,255,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-main{
  font-size:17px;font-weight:800;letter-spacing:.02em;
  background:linear-gradient(120deg,#8FB0FF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{font-size:10px;color:var(--t-sub);letter-spacing:.28em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:999px;
  font-size:15px;color:var(--t-sub);text-decoration:none;white-space:nowrap;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
  box-shadow:0 0 10px rgba(79,125,255,.7);
}
.nav-link:hover{color:var(--t-main);background:rgba(79,125,255,.08)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.icon-btn{
  width:42px;height:42px;display:grid;place-items:center;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);color:var(--t-sub);
  cursor:pointer;transition:.25s var(--ease);
}
.icon-btn:hover{color:var(--t-main);border-color:var(--line-hi);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:42px;height:42px;place-items:center;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--t-main);cursor:pointer;
}

/* ===== 按鈕 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1.2;cursor:pointer;text-decoration:none;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .25s var(--ease),border-color .28s var(--ease);
}
.btn:focus-visible{outline:2px dashed var(--c-primary);outline-offset:3px}
.btn-cta{
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);color:#20160A;
  box-shadow:0 10px 26px rgba(255,158,31,.28),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-cta:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 34px rgba(255,158,31,.4),inset 0 1px 0 rgba(255,255,255,.4);color:#20160A}
.btn-cta:active{transform:translateY(0)}
.btn-ghost{
  background:var(--surface);color:var(--t-main);border-color:var(--line-hi);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(30,44,72,.8);color:var(--t-main);border-color:rgba(120,160,255,.5)}
.btn-sm{padding:11px 22px;font-size:14px}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  color:var(--c-primary);text-decoration:none;
}
.link-more i{transition:transform .28s var(--ease)}
.link-more:hover{color:var(--c-accent)}
.link-more:hover i{transform:translateX(4px)}

/* ===== 標籤 / 徽章 ===== */
.badge-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.03em;
  color:var(--c-accent);background:rgba(51,214,192,.14);
  border:1px solid rgba(51,214,192,.4);white-space:nowrap;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--t-sub);
  background:rgba(120,160,255,.1);border:1px solid var(--line);
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 10px rgba(51,214,192,.9)}

/* ===== 分類 Hero ===== */
.cat-hero{
  position:relative;overflow:hidden;display:flex;align-items:center;
  min-height:340px;padding:48px 0 44px;
  background-image:linear-gradient(180deg,rgba(7,12,24,.6),rgba(7,12,24,.96)),url('/assets/images/backpic/back-2.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 340px at 14% 34%,rgba(79,125,255,.18),transparent 72%);
}
.cat-hero .shell{position:relative;z-index:2}
.breadcrumb-bar{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-sub);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb-bar a{color:var(--t-sub)}
.breadcrumb-bar a:hover{color:var(--c-primary)}
.breadcrumb-bar .sep{color:var(--t-dim)}
.breadcrumb-bar .cur{color:var(--t-main)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(51,214,192,.1);border:1px solid rgba(51,214,192,.36);
  color:var(--c-accent);font-size:12px;font-weight:600;letter-spacing:.08em;margin-bottom:18px}
.hero-title{
  font-size:44px;font-weight:800;line-height:1.25;letter-spacing:.14em;margin-bottom:16px;
}
.hero-sub{font-size:16px;line-height:1.8;color:var(--t-sub);max-width:620px;margin-bottom:22px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.stat-pill{
  display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  font-size:13px;color:var(--t-sub);
}
.stat-pill strong{font-family:var(--font-mono);font-size:16px;color:var(--c-accent);font-weight:600;letter-spacing:.02em}

/* ===== 板塊標題 ===== */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-title{font-size:30px;font-weight:700;line-height:1.35}
.section-title .hl{
  background:linear-gradient(120deg,#8FB0FF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-desc{font-size:14px;color:var(--t-sub);max-width:520px;line-height:1.75;margin-top:10px}

/* ===== 排序膠囊 ===== */
.sort-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.sort-pill{
  padding:8px 18px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;
  background:rgba(120,160,255,.07);border:1px solid var(--line);color:var(--t-sub);
  transition:.25s var(--ease);
}
.sort-pill:hover{color:var(--t-main);border-color:var(--line-hi)}
.sort-pill.is-on{
  color:#0B1324;background:linear-gradient(135deg,#8FB0FF,#4F7DFF);
  border-color:transparent;box-shadow:0 8px 20px rgba(79,125,255,.28);
}

/* ===== 純列表流 ===== */
.flow-wrap{margin-top:28px;border-top:1px solid var(--line)}
.flow-item{
  display:grid;grid-template-columns:200px 1fr;gap:26px;align-items:flex-start;
  padding:24px 10px;border-bottom:1px solid var(--line);
  text-decoration:none;color:inherit;position:relative;
  transition:background .28s var(--ease),padding-left .28s var(--ease);
}
.flow-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);
}
.flow-item:hover{background:rgba(79,125,255,.06);padding-left:18px}
.flow-item:hover::before{transform:scaleY(1)}
.flow-thumb{
  width:200px;height:120px;border-radius:12px;overflow:hidden;
  background:#0B1324;border:1px solid var(--line);flex-shrink:0;
}
.flow-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.flow-item:hover .flow-thumb img{transform:scale(1.04)}
.flow-body{min-width:0}
.flow-title{font-size:19px;font-weight:600;line-height:1.45;margin:10px 0 8px;color:var(--t-main)}
.flow-item:hover .flow-title{color:#BFD2FF}
.flow-desc{font-size:14px;line-height:1.75;color:var(--t-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.flow-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--t-dim)}
.flow-meta span{display:inline-flex;align-items:center;gap:6px}
.flow-meta i{color:var(--c-primary);font-size:12px}

/* ===== 理由列表 ===== */
.reason-list{display:grid;gap:18px}
.reason{
  display:grid;grid-template-columns:88px 1fr;gap:22px;align-items:flex-start;
  padding:26px 28px;border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease);
}
.reason:hover{transform:translateY(-4px);border-color:var(--line-hi);background:rgba(24,36,60,.74)}
.reason-num{
  font-family:var(--font-mono);font-size:32px;font-weight:700;line-height:1;
  background:linear-gradient(135deg,#8FB0FF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  padding-top:4px;
}
.reason h3{font-size:19px;font-weight:600;margin-bottom:8px}
.reason p{font-size:14.5px;color:var(--t-sub);line-height:1.8;margin:0}

/* ===== 流程 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .28s var(--ease),border-color .28s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--line-hi)}
.step-no{
  width:36px;height:36px;display:grid;place-items:center;border-radius:50%;
  font-family:var(--font-mono);font-size:14px;font-weight:700;color:#0B1324;
  background:linear-gradient(135deg,#33D6C0,#4F7DFF);margin-bottom:16px;
  box-shadow:0 8px 20px rgba(51,214,192,.26);
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--t-sub);line-height:1.8;margin:0}

/* ===== 交叉導覽 ===== */
.chip-scroll{display:flex;gap:12px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--t-sub);text-decoration:none;
  background:var(--surface);border:1px solid var(--line);
  transition:.28s var(--ease);
}
.chip:hover{color:var(--t-main);border-color:var(--line-hi);transform:translateY(-2px)}
.chip.is-on{
  color:#0B1324;background:linear-gradient(135deg,#8FB0FF,#4F7DFF);border-color:transparent;
  box-shadow:0 10px 24px rgba(79,125,255,.3);
}

/* ===== FAQ ===== */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  position:relative;margin-bottom:14px;border-radius:14px;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .28s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);
}
.faq-item.is-open{border-color:var(--line-hi)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--t-main);line-height:1.5;
}
.faq-q:hover{color:#BFD2FF}
.faq-ico{
  flex-shrink:0;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--line-hi);color:var(--c-primary);font-size:12px;
  transition:transform .32s var(--ease),background .28s var(--ease),color .28s var(--ease);
}
.faq-item.is-open .faq-ico{transform:rotate(45deg);background:rgba(79,125,255,.18);color:var(--c-accent);border-color:rgba(51,214,192,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--t-sub)}

/* ===== CTA 面板 ===== */
.cta-panel{
  position:relative;overflow:hidden;max-width:1080px;margin:0 auto;
  padding:56px 48px;border-radius:var(--r-panel);text-align:center;
  background:linear-gradient(150deg,rgba(24,38,64,.9),rgba(12,20,36,.9));
  border:1px solid var(--line-hi);
  box-shadow:var(--sh-float),inset 0 1px 0 rgba(255,255,255,.07);
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
}
.cta-panel::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  right:-160px;top:-220px;pointer-events:none;
  background:radial-gradient(circle,rgba(79,125,255,.24),transparent 68%);
}
.cta-panel h2{font-size:30px;font-weight:700;line-height:1.4;margin-bottom:14px;position:relative}
.cta-panel p{font-size:15px;color:var(--t-sub);max-width:560px;margin:0 auto 28px;position:relative}
.cta-note{font-size:12px;color:var(--t-dim);margin-top:20px;position:relative;line-height:1.7}

/* ===== 頁腳 ===== */
.site-footer{
  position:relative;background:#080E1C;margin-top:24px;
  padding-top:1px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,125,255,.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 44px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--t-sub);line-height:1.8;max-width:300px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;display:grid;place-items:center;border-radius:50%;
  background:rgba(120,160,255,.08);border:1px solid var(--line);color:var(--t-sub);font-size:14px;
  transition:.28s var(--ease);
}
.footer-social a:hover{color:var(--c-accent);border-color:rgba(51,214,192,.5);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:18px;color:var(--t-main)}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14px;color:var(--t-sub);text-decoration:none;transition:color .25s var(--ease)}
.footer-col ul a:hover{color:var(--c-primary)}
.footer-sub p{font-size:13.5px;color:var(--t-sub);line-height:1.75;margin-bottom:14px}
.sub-form{display:flex;gap:8px}
.sub-form input{
  flex:1;min-width:0;height:48px;padding:0 16px;border-radius:12px;
  background:rgba(10,18,34,.7);border:1px solid var(--line);color:var(--t-main);
  font-size:14px;outline:none;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.sub-form input::placeholder{color:var(--t-dim)}
.sub-form input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(79,125,255,.18)}
.sub-form button{
  height:48px;padding:0 22px;border-radius:12px;border:0;cursor:pointer;
  font-size:14px;font-weight:600;color:#20160A;
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  box-shadow:0 8px 20px rgba(255,158,31,.24);
  transition:transform .25s var(--ease),filter .25s var(--ease);
}
.sub-form button:hover{transform:translateY(-2px);filter:brightness(1.05)}
.sub-msg{font-size:13px;color:var(--c-accent);min-height:20px;margin-top:10px;margin-bottom:0}
.sub-msg.is-err{color:#FF6B6B}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;border-top:1px solid var(--line);font-size:13px;color:var(--t-dim);
}

/* ===== 行動抽屜 ===== */
.mobile-drawer{
  position:fixed;inset:0;z-index:1100;display:flex;flex-direction:column;
  padding:22px 20px calc(22px + env(safe-area-inset-bottom));
  background:rgba(7,12,24,.97);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  transform:translateY(-102%);visibility:hidden;
  transition:transform .36s var(--ease),visibility .36s;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:42px;height:42px;display:grid;place-items:center;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--t-main);cursor:pointer;font-size:16px;
}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{
  display:flex;align-items:center;gap:12px;padding:15px 16px;border-radius:14px;
  font-size:17px;font-weight:600;color:var(--t-sub);text-decoration:none;
  border:1px solid transparent;transition:.25s var(--ease);
}
.drawer-links a i{width:20px;text-align:center;color:var(--c-primary);font-size:15px}
.drawer-links a:hover,.drawer-links a.is-active{
  color:var(--t-main);background:rgba(79,125,255,.1);border-color:var(--line);
}
.drawer-cta{margin-top:auto;padding-top:24px}

/* ===== 行動底部 Tab ===== */
.tab-bar{display:none}
@media (max-width:767.98px){
  body{padding-bottom:76px}
  .tab-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1050;
    height:64px;padding-bottom:env(safe-area-inset-bottom);
    background:rgba(7,12,24,.9);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-top:1px solid var(--line);
  }
  .tab-item{
    position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;font-size:11px;color:var(--t-sub);text-decoration:none;transition:color .25s var(--ease);
  }
  .tab-item i{font-size:17px}
  .tab-item.is-active{color:var(--c-primary)}
  .tab-item.is-active::before{
    content:"";position:absolute;top:6px;width:4px;height:4px;border-radius:50%;
    background:var(--c-accent);box-shadow:0 0 8px rgba(51,214,192,.9);
  }
}

/* ===== 響應式 ===== */
@media (max-width:1199.98px){
  .shell{padding:0 24px}
  .nav-link{padding:9px 10px;font-size:14px}
  .hero-title{font-size:38px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .menu-toggle{display:grid}
  .header-actions .icon-btn{display:none}
  .section{padding:72px 0}
  .hero-title{font-size:34px;letter-spacing:.1em}
  .section-title{font-size:26px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{padding:44px 28px}
  .cat-hero{min-height:300px;padding:40px 0}
}
@media (max-width:767.98px){
  .shell{padding:0 18px}
  .section{padding:56px 0}
  .hero-title{font-size:30px;letter-spacing:.08em}
  .hero-sub{font-size:15px}
  .section-title{font-size:23px}
  .section-head{margin-bottom:26px}
  .flow-item{grid-template-columns:1fr;gap:14px;padding:20px 6px}
  .flow-item:hover{padding-left:6px}
  .flow-thumb{width:100%;height:auto;aspect-ratio:16/9}
  .flow-thumb img{width:100%;height:100%}
  .reason{grid-template-columns:1fr;gap:10px;padding:22px}
  .reason-num{font-size:26px}
  .steps{grid-template-columns:1fr}
  .section-desc{font-size:13.5px}
  .cta-panel{padding:36px 22px;border-radius:18px}
  .cta-panel h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 30px}
  .footer-bottom{font-size:12.5px;line-height:1.7}
  .chip-scroll{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch}
  .chip{flex:0 0 auto}
  .faq-q{font-size:15.5px;padding:17px 18px}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px}
  .cat-hero{min-height:240px;padding:34px 0 30px}
  .hero-meta{gap:8px}
  .stat-pill{font-size:12px;padding:7px 14px}
  .stat-pill strong{font-size:14px}
  .sort-row{gap:8px}
  .sort-pill{padding:7px 14px;font-size:12.5px}
}
@media (max-width:519.98px){
  .hero-title{font-size:26px;letter-spacing:.06em}
  .brand-main{font-size:15px}
  .btn{padding:13px 22px;font-size:15px}
  .btn-sm{padding:10px 18px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
  .flow-item:hover,.reason:hover,.step:hover,.chip:hover,.btn:hover{transform:none!important}
}

/* roulang page: category4 */
:root{
  --bg-deep:#070C18;
  --c-primary:#4F7DFF;
  --c-accent:#33D6C0;
  --c-cta:#FFB13D;
  --surface:rgba(18,28,48,.66);
  --surface-solid:#101A2E;
  --line:rgba(120,160,255,.14);
  --line-hi:rgba(120,160,255,.32);
  --t-main:#E8EEFB;
  --t-sub:#93A3C0;
  --t-dim:#64748B;
  --r-card:18px;
  --r-lg:24px;
  --r-img:14px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --shadow-hi:0 24px 60px rgba(0,0,0,.6);
  --glow:0 0 0 1px rgba(79,125,255,.35),0 8px 28px rgba(79,125,255,.28);
  --shell:1200px;
  --font-head:"Noto Sans TC","PingFang TC","Microsoft JhengHei","Heiti TC",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-head);
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:linear-gradient(160deg,#070C18 0%,#0B1324 55%,#070C18 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--c-primary)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(79,125,255,.35);color:#fff}
:focus-visible{outline:2px dashed var(--c-primary);outline-offset:3px;border-radius:6px}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.glass{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}

/* ============ Header ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(7,12,24,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,12,24,.92);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;max-width:var(--shell);margin:0 auto;padding:0 32px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(79,125,255,.9),rgba(51,214,192,.85));
  color:#06101F;font-size:14px;
  box-shadow:0 6px 18px rgba(79,125,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-main{
  font-size:17px;font-weight:800;letter-spacing:.04em;
  background:linear-gradient(90deg,#4F7DFF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{font-size:10px;letter-spacing:.28em;color:var(--t-sub);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 12px;font-size:14.5px;color:var(--t-sub);
  border-radius:8px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
  box-shadow:0 0 8px rgba(79,125,255,.8);
}
.nav-link:hover{color:var(--t-main)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(18,28,48,.7);border:1px solid var(--line);color:var(--t-sub);
  cursor:pointer;transition:.26s var(--ease);
}
.icon-btn:hover{color:var(--t-main);border-color:var(--line-hi);background:rgba(24,36,60,.85)}
.hamburger{
  width:40px;height:40px;border-radius:12px;display:none;place-items:center;
  background:rgba(18,28,48,.7);border:1px solid var(--line);color:var(--t-main);cursor:pointer;
}
.header-search{
  max-height:0;overflow:hidden;transition:max-height .34s var(--ease);
  border-top:1px solid transparent;background:rgba(9,16,30,.96);
}
.header-search.is-open{max-height:96px;border-top-color:var(--line)}
.header-search form{display:flex;gap:10px;max-width:var(--shell);margin:0 auto;padding:16px 32px}
.header-search input{
  flex:1;height:48px;border-radius:12px;padding:0 16px;color:var(--t-main);
  background:rgba(10,18,34,.7);border:1px solid var(--line);
  transition:.24s var(--ease);
}
.header-search input::placeholder{color:var(--t-dim)}
.header-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(79,125,255,.18)}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),filter .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  color:#231605;
  box-shadow:0 10px 26px rgba(255,158,31,.28);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 14px 34px rgba(255,158,31,.42);color:#231605}
.btn-ghost{
  background:rgba(18,28,48,.6);border-color:var(--line-hi);color:var(--t-main);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--c-primary);color:#fff;box-shadow:0 10px 26px rgba(79,125,255,.22)}
.btn-sm{padding:10px 20px;font-size:14px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-more i{transition:transform .26s var(--ease)}
.link-more:hover{color:var(--c-accent)}
.link-more:hover i{transform:translateX(4px)}

/* ============ Hero ============ */
.page-hero{
  position:relative;margin-top:72px;min-height:340px;display:flex;align-items:center;
  background-image:linear-gradient(180deg,rgba(7,12,24,.6),rgba(7,12,24,.95)),url('/assets/images/backpic/back-2.jpg');
  background-size:cover;background-position:center;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 340px at 14% 26%,rgba(79,125,255,.24),transparent 72%);
  pointer-events:none;
}
.page-hero .shell{position:relative;z-index:1;padding-top:44px;padding-bottom:44px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-sub);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--t-sub)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs span[aria-current]{color:var(--t-dim)}
.hero-grid{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--c-accent);
  background:rgba(51,214,192,.1);border:1px solid rgba(51,214,192,.35);
}
.badge-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 8px var(--c-accent)}
.page-hero h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:.16em;margin:18px 0 14px;
  background:linear-gradient(100deg,#E8EEFB 20%,#7FA3FF 60%,#33D6C0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16px;color:var(--t-sub);max-width:560px;margin:0;line-height:1.8}
.stat-pill{
  display:flex;align-items:center;gap:14px;padding:16px 24px;border-radius:16px;
  background:var(--surface);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.stat-pill .num{font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--c-accent);line-height:1}
.stat-pill .label{font-size:13px;color:var(--t-sub);line-height:1.4}

/* ============ Section head ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:30px;line-height:1.35}
.sec-head h2 .hl{color:var(--c-primary)}
.sec-head p{color:var(--t-sub);font-size:15px;margin:8px 0 0;max-width:520px}

/* ============ Falls layout ============ */
.falls{column-count:2;column-gap:24px}
.card-v{
  position:relative;break-inside:avoid;display:block;margin:0 0 24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.card-v:hover{transform:translateY(-4px);border-color:var(--line-hi);background:rgba(22,34,58,.72);box-shadow:var(--shadow-hi)}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;object-fit:cover;transition:transform .5s var(--ease)}
.ratio-43 img{aspect-ratio:4/3}
.ratio-169 img{aspect-ratio:16/9}
.card-v:hover .card-media img{transform:scale(1.04)}
.card-no{
  position:absolute;top:14px;right:14px;z-index:2;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  padding:4px 11px;border-radius:999px;color:var(--c-accent);
  background:rgba(7,12,24,.78);border:1px solid var(--line-hi);
  backdrop-filter:blur(6px);
}
.card-body{padding:20px 22px 22px}
.badge-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--c-accent);
  background:rgba(51,214,192,.14);border:1px solid rgba(51,214,192,.35);
}
.card-title{font-size:19px;line-height:1.45;margin:12px 0 8px;font-weight:700}
.card-desc{
  font-size:14.5px;line-height:1.75;color:var(--t-sub);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t-dim)}
.card-meta .time{display:inline-flex;align-items:center;gap:6px}

/* ============ Feature strip ============ */
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feature-item{padding:32px 28px;border-left:1px solid var(--line)}
.feature-item:first-child{border-left:0;padding-left:0}
.feature-item i{font-size:20px;color:var(--c-primary);margin-bottom:14px;display:block}
.feature-item h3{font-size:18px;margin-bottom:8px}
.feature-item p{font-size:14.5px;color:var(--t-sub);margin:0}

/* ============ Cross nav ============ */
.crossnav{display:flex;flex-wrap:wrap;gap:12px}
.crossnav a{
  display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;
  font-size:14.5px;color:var(--t-sub);background:rgba(18,28,48,.6);
  border:1px solid var(--line);transition:.26s var(--ease);
}
.crossnav a:hover{color:var(--t-main);border-color:var(--line-hi);transform:translateY(-2px);background:rgba(24,36,60,.85)}
.crossnav a.is-active{color:#06101F;background:linear-gradient(135deg,#FFC65C,#FF9E1F);border-color:transparent;font-weight:600;box-shadow:0 8px 22px rgba(255,158,31,.28)}

/* ============ FAQ ============ */
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;position:relative;
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
  transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease);
}
.faq-item.is-open{border-color:var(--line-hi);background:rgba(22,34,58,.75)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;color:var(--t-main);
  font-size:17px;font-weight:600;text-align:left;cursor:pointer;
}
.faq-q .plus{
  flex-shrink:0;width:26px;height:26px;display:grid;place-items:center;
  font-size:14px;color:var(--t-sub);transition:transform .3s var(--ease),color .3s var(--ease);
}
.faq-item.is-open .plus{transform:rotate(45deg);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{margin:0;padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--t-sub)}

/* ============ CTA ============ */
.cta-panel{
  max-width:1080px;margin:0 auto;text-align:center;padding:56px 40px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line-hi);
  box-shadow:var(--glow),inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);
}
.cta-panel h2{font-size:30px;line-height:1.4;margin-bottom:14px}
.cta-panel p{color:var(--t-sub);max-width:620px;margin:0 auto 28px;font-size:15.5px}
.cta-note{font-size:12px;color:var(--t-dim);margin:18px 0 0}

/* ============ Footer ============ */
.site-footer{
  position:relative;background:#080E1C;padding:72px 0 28px;margin-top:24px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,125,255,.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--t-sub);margin:16px 0 20px;max-width:280px;line-height:1.8}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(18,28,48,.7);border:1px solid var(--line);color:var(--t-sub);font-size:14px;
  transition:.26s var(--ease);
}
.footer-social a:hover{color:var(--c-primary);border-color:var(--line-hi);transform:translateY(-2px)}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--t-main)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--t-sub)}
.footer-col ul li a:hover{color:var(--c-primary)}
.footer-sub p{font-size:14px;color:var(--t-sub);margin:0 0 14px}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1;min-width:150px;height:48px;border-radius:12px;padding:0 16px;
  background:rgba(10,18,34,.7);border:1px solid var(--line);color:var(--t-main);
  transition:.24s var(--ease);
}
.sub-form input::placeholder{color:var(--t-dim)}
.sub-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(79,125,255,.18)}
.sub-form button{
  height:48px;padding:0 24px;border-radius:12px;border:0;cursor:pointer;
  font-size:15px;font-weight:600;color:#231605;
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  transition:.26s var(--ease);
}
.sub-form button:hover{transform:translateY(-2px);filter:brightness(1.05)}
.sub-msg{font-size:13px;margin:12px 0 0;min-height:18px;color:var(--t-dim)}
.sub-msg.ok{color:var(--c-accent)}
.sub-msg.err{color:#FF6B6B}
.footer-bottom{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t-dim);
}

/* ============ Mobile tabs & drawer ============ */
.bottom-tabs{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1100;
  height:calc(64px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(7,12,24,.86);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-top:1px solid var(--line);
}
.bottom-tabs ul{display:flex;height:64px}
.bottom-tabs li{flex:1}
.bottom-tabs a{
  position:relative;height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  font-size:11px;color:var(--t-sub);
}
.bottom-tabs a i{font-size:18px}
.bottom-tabs a.is-active{color:var(--c-primary)}
.bottom-tabs a.is-active::before{
  content:"";position:absolute;top:8px;width:4px;height:4px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 8px var(--c-primary);
}
.drawer{
  position:fixed;inset:72px 0 0 0;z-index:1050;display:none;
  background:rgba(7,12,24,.96);
  backdrop-filter:blur(20px) saturate(140%);
  padding:28px 24px 40px;overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer nav{display:flex;flex-direction:column;gap:6px}
.drawer nav a{
  padding:15px 6px;font-size:16px;color:var(--t-sub);border-bottom:1px solid var(--line);
}
.drawer nav a.is-active{color:var(--c-primary);font-weight:600}
.drawer .btn{width:100%;margin-top:24px}
body.no-scroll{overflow:hidden}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .shell,.header-inner{padding:0 24px}
  .header-search form{padding:16px 24px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .hamburger{display:grid}
  .header-actions .btn-primary{display:none}
  .page-hero h1{font-size:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .cta-panel{padding:44px 28px}
}
@media (max-width:767.98px){
  body{padding-bottom:76px}
  .section{padding:56px 0}
  .page-hero{min-height:240px}
  .page-hero .shell{padding-top:32px;padding-bottom:32px}
  .page-hero h1{font-size:30px;letter-spacing:.12em;margin:14px 0 12px}
  .hero-lead{font-size:15px}
  .stat-pill{padding:12px 18px;width:100%;justify-content:space-between}
  .stat-pill .num{font-size:22px}
  .falls{column-count:1}
  .sec-head h2{font-size:23px}
  .feature-strip{grid-template-columns:1fr;border-bottom:0}
  .feature-item{border-left:0;border-top:1px solid var(--line);padding:24px 0}
  .feature-item:first-child{border-top:0}
  .cta-panel h2{font-size:23px}
  .bottom-tabs{display:block}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:10px}
  .crossnav a{padding:10px 16px;font-size:13.5px}
  .faq-q{font-size:15.5px;padding:17px 18px}
  .faq-a p{padding:0 18px 18px;font-size:14.5px}
}
@media (max-width:575.98px){
  .shell,.header-inner{padding:0 18px}
  .header-search form{padding:14px 18px}
  .brand-main{font-size:15.5px}
  .card-body{padding:16px 16px 18px}
  .card-title{font-size:17px}
  .cta-panel{padding:36px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  .card-v:hover,.btn:hover{transform:none}
}

/* roulang page: category5 */
:root{
  --bg-deep:#070C18;
  --bg-mid:#0B1324;
  --c-primary:#4F7DFF;
  --c-accent:#33D6C0;
  --c-cta:#FFB13D;
  --surface:rgba(18,28,48,.66);
  --surface-solid:#101A2E;
  --surface-deep:#0A1426;
  --line:rgba(120,160,255,.14);
  --line-hi:rgba(120,160,255,.32);
  --t-main:#E8EEFB;
  --t-sub:#93A3C0;
  --t-dim:#64748B;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --shadow-float:0 24px 60px rgba(0,0,0,.6);
  --shadow-glow:0 0 0 1px rgba(79,125,255,.35),0 8px 28px rgba(79,125,255,.28);
  --max:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:linear-gradient(160deg,#070C18 0%,#0B1324 55%,#070C18 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;color:var(--t-main)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px dashed var(--c-primary);outline-offset:3px;border-radius:6px}
.shell{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:7px 14px;border-radius:var(--r-btn);
  color:var(--c-accent);border:1px solid rgba(51,214,192,.4);
  background:rgba(51,214,192,.08);
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 10px rgba(51,214,192,.9)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:30px;line-height:1.35}
.sec-head p{color:var(--t-sub);font-size:15px;margin:0;max-width:520px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--c-primary)}
.link-arrow i{transition:transform .26s var(--ease)}
.link-arrow:hover i{transform:translateX(5px)}

/* ===== 導覽 ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(7,12,24,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(7,12,24,.88)}
.nav-bar{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.brand:hover{color:inherit}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(79,125,255,.9),rgba(51,214,192,.85));
  color:#07101F;font-size:14px;
  box-shadow:0 6px 18px rgba(79,125,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-main{
  font-size:17px;font-weight:800;letter-spacing:.5px;
  background:linear-gradient(90deg,#7FA2FF,#33D6C0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{font-size:10px;letter-spacing:.22em;color:var(--t-sub);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;margin-right:auto}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 13px;font-size:14.5px;font-weight:500;color:var(--t-sub);
  border-radius:10px;transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
  box-shadow:0 0 10px rgba(79,125,255,.7);
}
.nav-link:hover{color:var(--t-main);background:rgba(79,125,255,.08)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn-icon{
  width:42px;height:42px;border-radius:var(--r-btn);display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line-hi);color:var(--t-main);
  cursor:pointer;transition:.26s var(--ease);
}
.btn-icon:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-weight:600;font-size:15px;line-height:1;
  padding:14px 28px;cursor:pointer;transition:.26s var(--ease);
  text-decoration:none;
}
.btn-primary-cta{
  color:#241500;
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  box-shadow:0 10px 26px rgba(255,158,31,.28);
}
.btn-primary-cta:hover{
  color:#241500;transform:translateY(-2px);filter:brightness(1.05);
  box-shadow:0 14px 34px rgba(255,158,31,.42);
}
.btn-primary-cta:active{transform:translateY(0)}
.btn-ghost{
  color:var(--t-main);background:rgba(18,28,48,.6);
  border-color:var(--line-hi);backdrop-filter:blur(10px);
}
.btn-ghost:hover{color:#fff;border-color:var(--c-primary);background:rgba(79,125,255,.12);transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px}
.nav-toggle{display:none}

/* 行動抽屜 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1000;display:none;
  background:rgba(7,12,24,.94);backdrop-filter:blur(18px);
  padding:22px 20px calc(22px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 6px;font-size:16px;color:var(--t-main);
  border-bottom:1px solid var(--line);
}
.drawer-links a.is-active{color:var(--c-primary)}
.drawer-links a i{font-size:12px;color:var(--t-dim)}

/* 行動底部 Tab */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:950;
  height:calc(64px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(7,12,24,.86);backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
}
.mobile-tab ul{display:flex;height:64px}
.mobile-tab li{flex:1}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  height:100%;font-size:11px;color:var(--t-sub);transition:color .22s var(--ease);
}
.mobile-tab a i{font-size:17px}
.mobile-tab a.is-active{color:var(--c-primary)}
.mobile-tab a.is-active::before{
  content:"";position:absolute;top:6px;width:4px;height:4px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 10px var(--c-primary);
}

/* ===== 分類 Hero ===== */
.cat-hero{
  position:relative;overflow:hidden;
  min-height:340px;display:flex;align-items:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.jpg');
  background-size:cover;background-position:center;
  transform:scale(1.04);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 340px at 12% 30%,rgba(79,125,255,.22),transparent 70%),
    linear-gradient(180deg,rgba(7,12,24,.72),rgba(7,12,24,.96));
}
.cat-hero .shell{position:relative;z-index:2;padding-top:52px;padding-bottom:52px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-sub);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--t-sub)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:var(--t-dim)}
.crumbs .now{color:var(--t-main)}
.cat-hero h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:6px;
  background:linear-gradient(95deg,#E8EEFB 20%,#7FA2FF 62%,#33D6C0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:16px;
}
.cat-hero .lead{color:var(--t-sub);font-size:16px;max-width:600px;margin-bottom:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px}
.stat-pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 16px;border-radius:var(--r-btn);
  background:var(--surface);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  font-size:13px;color:var(--t-sub);
}
.stat-pill b{font-family:"JetBrains Mono",monospace;font-size:17px;color:var(--c-accent);font-weight:700}
.stat-pill .ok{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 10px rgba(51,214,192,.9)}

/* ===== 分組內容 ===== */
.group-block + .group-block{margin-top:64px}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.group-head .bar{width:44px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--c-accent),rgba(51,214,192,0))}
.group-head h2{font-size:26px;line-height:1.4}
.group-head span{color:var(--t-dim);font-size:13px;font-family:"JetBrains Mono",monospace}
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.v-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
  transition:transform .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.v-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-hi);
  background:rgba(24,36,60,.72);
  box-shadow:0 18px 44px rgba(0,0,0,.55);
}
.v-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#0B1324}
.v-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.v-card:hover .v-thumb img{transform:scale(1.04)}
.v-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,24,0) 45%,rgba(7,12,24,.75));
}
.v-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-btn);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--c-accent);background:rgba(51,214,192,.12);
  border:1px solid rgba(51,214,192,.4);
  align-self:flex-start;
}
.v-body h3{font-size:19px;line-height:1.45;font-weight:600}
.v-body p{font-size:14.5px;color:var(--t-sub);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.v-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
.time-meta{font-size:13px;color:var(--t-dim);display:inline-flex;align-items:center;gap:6px}
.time-meta i{font-size:12px}
.v-foot .link-arrow{font-size:14px}

/* 交叉導覽 */
.cross-nav{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--surface-deep);
  padding:44px 0;
}
.cross-nav h2{font-size:18px;margin-bottom:18px;color:var(--t-main)}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-btn);
  font-size:14px;color:var(--t-sub);
  background:rgba(18,28,48,.7);border:1px solid var(--line);
  transition:.26s var(--ease);
}
.pill:hover{color:var(--t-main);border-color:var(--line-hi);transform:translateY(-2px)}
.pill.is-current{
  color:#0A1426;font-weight:600;
  background:linear-gradient(135deg,rgba(79,125,255,.95),rgba(51,214,192,.9));
  border-color:transparent;
  box-shadow:0 8px 24px rgba(79,125,255,.3);
}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  backdrop-filter:blur(14px);overflow:hidden;transition:border-color .26s var(--ease)
}
.faq-item.is-open{border-color:var(--line-hi)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;color:var(--t-main);
  font-size:17px;font-weight:600;text-align:left;cursor:pointer;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
  opacity:0;transition:opacity .3s var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-ic{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-hi);color:var(--c-primary);
  transition:transform .3s var(--ease),color .3s var(--ease);
}
.faq-ic i{font-size:12px}
.faq-item.is-open .faq-ic{transform:rotate(45deg);color:var(--c-accent);border-color:rgba(51,214,192,.5)}
.faq-a{padding:0 22px 20px;color:var(--t-sub);font-size:15px;line-height:1.8}
.faq-a[hidden]{display:none}

/* CTA */
.cta-panel{
  max-width:1080px;margin:0 auto;text-align:center;
  padding:56px 40px;border-radius:var(--r-panel);
  background:
    radial-gradient(600px 260px at 50% 0%,rgba(79,125,255,.22),transparent 70%),
    var(--surface);
  border:1px solid var(--line-hi);
  box-shadow:var(--shadow-float);
  backdrop-filter:blur(14px) saturate(140%);
}
.cta-panel h2{font-size:30px;line-height:1.4;margin-bottom:14px}
.cta-panel p{color:var(--t-sub);font-size:15.5px;max-width:640px;margin:0 auto 26px}
.cta-note{font-size:12px;color:var(--t-dim);margin-top:18px}

/* 頁腳 */
.site-footer{
  background:#080E1C;border-top:1px solid var(--line);
  position:relative;padding-top:72px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,125,255,.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:56px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--t-sub);font-size:14px;max-width:300px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  color:var(--t-sub);background:rgba(18,28,48,.7);border:1px solid var(--line);
  transition:.26s var(--ease);
}
.footer-social a:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px)}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--t-main)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--t-sub);font-size:14px}
.footer-col a:hover{color:var(--c-primary)}
.footer-sub p{color:var(--t-sub);font-size:14px;margin-bottom:16px}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1;height:48px;padding:0 16px;border-radius:12px;
  background:rgba(10,18,34,.7);border:1px solid var(--line);
  color:var(--t-main);font-size:14px;transition:.26s var(--ease);min-width:0;
}
.sub-form input::placeholder{color:var(--t-dim)}
.sub-form input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(79,125,255,.18);
}
.sub-form button{
  height:48px;padding:0 22px;border-radius:12px;border:0;cursor:pointer;
  font-size:14px;font-weight:600;color:#241500;
  background:linear-gradient(135deg,#FFC65C,#FF9E1F);
  transition:.26s var(--ease);white-space:nowrap;
}
.sub-form button:hover{filter:brightness(1.06);transform:translateY(-1px)}
.sub-msg{font-size:13px;color:var(--c-accent);margin-top:10px;min-height:18px}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t-dim);
}

/* 響應式 */
@media (max-width:1199.98px){
  .shell{padding:0 24px}
  .cat-hero h1{font-size:38px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-sub{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .nav-links,.nav-actions .btn-primary-cta{display:none}
  .nav-toggle{display:grid}
  .nav-bar{gap:16px;justify-content:space-between}
  .section{padding:72px 0}
  .cat-hero{min-height:280px}
  .cat-hero h1{font-size:34px;letter-spacing:4px}
  .card-grid-2{grid-template-columns:1fr}
  .sec-head h2{font-size:25px}
  .cta-panel{padding:44px 28px}
  .cta-panel h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767.98px){
  body{padding-bottom:76px}
  .mobile-tab{display:block}
  .section{padding:56px 0}
  .shell{padding:0 18px}
  .cat-hero{min-height:240px}
  .cat-hero .shell{padding-top:36px;padding-bottom:36px}
  .cat-hero h1{font-size:30px;letter-spacing:2px}
  .cat-hero .lead{font-size:15px}
  .group-head h2{font-size:21px}
  .group-block + .group-block{margin-top:48px}
  .v-body{padding:16px 18px 18px}
  .v-body h3{font-size:17px}
  .pill-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .pill{flex:0 0 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .sub-form{flex-wrap:wrap}
  .sub-form button{width:100%}
}
@media (max-width:575.98px){
  .cat-hero h1{font-size:26px;letter-spacing:1px}
  .cta-panel{padding:34px 20px}
  .faq-q{font-size:15.5px;padding:15px 18px}
  .faq-a{padding:0 18px 18px;font-size:14.5px}
  .stat-pill{font-size:12px;padding:8px 13px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .v-card:hover,.btn:hover,.pill:hover{transform:none}
}