/* roulang page: index */
:root{
  --brand-600:#2F5BE0;
  --brand-700:#1E3FA8;
  --brand-500:#3D6BEA;
  --brand-50:#EEF3FF;
  --accent-500:#FF7A4D;
  --accent-600:#E96235;
  --accent-50:#FFF0EA;
  --ink:#0F1B33;
  --body:#43516B;
  --muted:#7A879E;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E4EAF4;
  --line-strong:#C9D6F0;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(16,24,40,.04), 0 10px 28px -16px rgba(16,24,40,.16);
  --shadow-card-hover:0 2px 6px rgba(16,24,40,.06), 0 18px 40px -20px rgba(16,24,40,.22);
  --sb-w:248px;
  --font-sans:'Noto Sans TC','PingFang TC','Microsoft JhengHei','Inter',sans-serif;
}
@media (min-width:1280px){ :root{ --sb-w:264px; } }

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease-out;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(47,91,224,.4);outline-offset:2px;border-radius:6px;}

/* ============ 側邊導覽 ============ */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:280px;
  background:var(--card);border-right:1px solid var(--line);
  padding:0 24px 24px;display:flex;flex-direction:column;
  z-index:80;overflow-y:auto;
  transform:translateX(-100%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
}
.app-sidebar.open{transform:translateX(0);box-shadow:0 24px 60px -20px rgba(15,27,51,.35);}
@media (min-width:1024px){
  .app-sidebar{width:var(--sb-w);transform:none;box-shadow:none;}
}
.side-logo{
  display:flex;align-items:center;gap:10px;height:72px;flex:0 0 72px;
  border-bottom:1px solid var(--line);margin-bottom:18px;
}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand-600);
  display:flex;align-items:center;justify-content:center;flex:0 0 32px;
  position:relative;overflow:hidden;
}
.logo-mark svg{width:16px;height:16px;display:block;}
.logo-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.logo-line1{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.logo-line2{font-size:11px;font-weight:600;color:var(--brand-600);letter-spacing:.12em;white-space:nowrap;}
.nav-group-label{
  font-size:11px;letter-spacing:.14em;color:var(--muted);font-weight:700;
  margin:14px 0 8px;padding-left:12px;text-transform:uppercase;
}
.side-nav{display:flex;flex-direction:column;gap:2px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--body);
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-item i{font-size:15px;color:var(--muted);transition:color .18s ease-out;width:18px;text-align:center;}
.nav-item:hover{background:#F3F6FC;color:var(--ink);}
.nav-item:hover i{color:var(--brand-600);}
.nav-item.active{background:var(--brand-50);color:var(--brand-700);font-weight:700;}
.nav-item.active i{color:var(--brand-700);}
.nav-item.active::before{
  content:"";position:absolute;left:-24px;top:10px;bottom:10px;width:3px;
  background:var(--brand-600);border-radius:0 3px 3px 0;
}
.nav-divider{height:1px;background:var(--line);margin:16px 0;}
.side-mini{
  margin-top:auto;background:var(--brand-50);border-radius:12px;padding:16px;
}
.side-mini p{margin:0 0 10px;font-size:13px;line-height:1.6;color:var(--brand-700);font-weight:600;}
.mini-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:36px;padding:0 14px;border-radius:9px;background:var(--brand-600);
  color:#fff;font-size:13px;font-weight:600;transition:background .18s ease-out,transform .18s ease-out;
}
.mini-btn:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);}
.overlay{
  position:fixed;inset:0;background:rgba(15,27,51,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s;
  z-index:70;
}
.overlay.open{opacity:1;visibility:visible;}

/* ============ 行動頂欄 ============ */
.mobile-topbar{
  position:sticky;top:0;z-index:60;height:64px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;background:var(--card);
  box-shadow:0 1px 0 var(--line),0 6px 18px -14px rgba(16,24,40,.4);
}
@media (min-width:1024px){ .mobile-topbar{display:none;} }
.hamburger{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-size:17px;cursor:pointer;transition:background .18s,border-color .18s;
}
.hamburger:hover{background:var(--brand-50);border-color:var(--line-strong);}

/* ============ 主區 ============ */
.main-wrap{min-height:100vh;}
@media (min-width:1024px){ .main-wrap{margin-left:var(--sb-w);} }
.topbar-strip{
  position:sticky;top:0;z-index:40;height:56px;
  display:flex;align-items:center;gap:12px;
  padding:0 24px;background:rgba(246,248,252,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
@media (min-width:1024px){ .topbar-strip{padding:0 40px;} }
@media (min-width:1280px){ .topbar-strip{padding:0 56px;} }
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);flex-wrap:wrap;}
.breadcrumb a{color:var(--body);font-weight:500;}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--muted);}
.strip-tag{
  margin-left:auto;display:none;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--brand-700);
  background:var(--brand-50);border-radius:999px;padding:5px 12px;
}
@media (min-width:768px){ .strip-tag{display:inline-flex;} }

.container-x{
  width:100%;max-width:1200px;margin:0 auto;
  padding-left:24px;padding-right:24px;
}
@media (min-width:768px){ .container-x{padding-left:40px;padding-right:40px;} }
@media (min-width:1280px){ .container-x{padding-left:56px;padding-right:56px;} }

.section{padding:64px 0;}
@media (min-width:768px){ .section{padding:96px 0;} }
.section-tight{padding:48px 0;}
@media (min-width:768px){ .section-tight{padding:64px 0;} }

.eyebrow{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.14em;
  color:var(--accent-600);margin-bottom:14px;text-transform:uppercase;
}
.section-title{
  font-size:1.75rem;line-height:1.25;font-weight:800;color:var(--ink);
  letter-spacing:-.01em;margin:0;
}
@media (min-width:768px){ .section-title{font-size:2.15rem;} }
.section-desc{margin:12px 0 0;font-size:16px;color:var(--body);max-width:640px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand-600);
}
.link-arrow i{transition:transform .2s ease-out;}
.link-arrow:hover{color:var(--brand-700);}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 按鈕 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 22px -14px rgba(47,91,224,.9);}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px -16px rgba(30,63,168,.75);}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--brand-600);}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-1px);}
.btn-block{width:100%;}
@media (max-width:639px){ .btn{width:100%;} .hero-actions .btn{width:100%;} }

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 12% 0%, rgba(47,91,224,.10), transparent 46%),
    radial-gradient(circle at 92% 12%, rgba(255,122,77,.10), transparent 40%),
    var(--bg);
  padding:48px 0 56px;
}
@media (min-width:768px){ .hero{padding:64px 0 80px;} }
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media (min-width:1024px){ .hero-grid{grid-template-columns:7fr 5fr;gap:56px;} }
.hero-h1{
  font-size:clamp(2rem,4vw,3.25rem);line-height:1.18;font-weight:900;
  color:var(--ink);letter-spacing:-.01em;margin:0 0 18px;
}
.hero-sub{
  font-size:17px;line-height:1.85;color:var(--body);margin:0 0 28px;max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px;
  border-top:1px solid var(--line);padding-top:26px;
}
@media (min-width:640px){ .hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));} }
.stat-num{
  font-family:'Inter',var(--font-sans);font-size:2rem;font-weight:800;color:var(--brand-600);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
@media (min-width:768px){ .stat-num{font-size:2.4rem;} }
.stat-label{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.5;}
.hero-visual{position:relative;}
.hero-media{
  position:relative;border-radius:20px;overflow:hidden;
  box-shadow:0 20px 50px -24px rgba(15,27,51,.45);
  border:1px solid var(--line);
}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(47,91,224,.16));
}
.float-card{
  position:absolute;left:16px;bottom:-22px;background:#fff;border-radius:14px;
  padding:14px 18px;box-shadow:0 18px 40px -20px rgba(15,27,51,.4);
  border:1px solid var(--line);display:flex;align-items:center;gap:12px;
  min-width:190px;
}
@media (min-width:768px){ .float-card{left:-24px;bottom:24px;} }
.float-ico{
  width:38px;height:38px;border-radius:10px;background:var(--brand-50);
  color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:15px;
}
.float-num{font-family:'Inter',var(--font-sans);font-size:19px;font-weight:800;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums;}
.float-cap{font-size:12px;color:var(--muted);}

/* ============ 價值主張 ============ */
.value-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:1024px){ .value-grid{grid-template-columns:5fr 7fr;gap:64px;} }
.value-list{display:flex;flex-direction:column;}
.value-item{
  display:flex;gap:20px;padding:22px 0;border-top:1px solid var(--line);
}
.value-item:first-child{border-top:none;padding-top:0;}
.value-num{
  font-family:'Inter',var(--font-sans);font-size:15px;font-weight:800;color:var(--accent-500);
  letter-spacing:.06em;flex:0 0 34px;padding-top:3px;font-variant-numeric:tabular-nums;
}
.value-h3{font-size:1.1rem;font-weight:700;color:var(--ink);margin:0 0 6px;line-height:1.4;}
.value-p{margin:0;font-size:15px;color:var(--body);line-height:1.8;}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){ .bento{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;} }
@media (min-width:1024px){ .bento{grid-template-columns:repeat(6,minmax(0,1fr));gap:24px;} }
.bento-big{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.bento-big:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);}
@media (min-width:1024px){ .bento-big{grid-column:span 3;grid-row:span 2;} }
.bento-big img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.bento-big-body{padding:24px;}
.bento-small{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.bento-small:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);border-color:var(--line-strong);}
@media (min-width:1024px){ .bento-small{grid-column:span 3;} }
.icon-badge{
  width:42px;height:42px;border-radius:11px;background:var(--brand-50);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px;
}
.card-h3{font-size:1.12rem;font-weight:700;color:var(--ink);margin:0 0 8px;line-height:1.4;}
.card-p{margin:0;font-size:14.5px;line-height:1.8;color:var(--body);}
.dot-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.dot-list li{position:relative;padding-left:18px;font-size:14px;color:var(--body);line-height:1.7;}
.dot-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand-500);
}

/* ============ 使用場景 ============ */
.scene-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){ .scene-grid{grid-template-columns:4fr 8fr;gap:40px;} }
.scene-tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;}
@media (min-width:1024px){ .scene-tabs{flex-direction:column;gap:6px;overflow:visible;padding-bottom:0;} }
.scene-tab{
  position:relative;white-space:nowrap;text-align:left;
  padding:14px 18px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--body);font-size:14.5px;font-weight:600;cursor:pointer;
  transition:background .18s,border-color .18s,color .18s;
}
@media (min-width:1024px){ .scene-tab{white-space:normal;} }
.scene-tab:hover{background:#F3F6FC;color:var(--ink);}
.scene-tab.active{background:var(--brand-50);border-color:transparent;color:var(--brand-700);}
.scene-tab.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--brand-600);border-radius:0 3px 3px 0;
}
@media (max-width:1023px){ .scene-tab.active::before{display:none;} }
.scene-panel{
  display:none;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.scene-panel.active{display:block;animation:fadeUp .3s ease-out;}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.scene-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene-panel-body{padding:26px;}
@media (min-width:768px){ .scene-panel-body{padding:32px;} }

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){ .case-grid{grid-template-columns:7fr 5fr;gap:28px;} }
.case-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:box-shadow .2s,transform .2s;
}
.case-main:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);}
.case-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.case-main-body{padding:26px;}
.case-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0;border-top:1px solid var(--line);padding-top:20px;}
.case-metric-num{font-family:'Inter',var(--font-sans);font-size:1.5rem;font-weight:800;color:var(--accent-500);line-height:1.2;font-variant-numeric:tabular-nums;}
.case-metric-cap{font-size:12.5px;color:var(--muted);margin-top:4px;}
.case-side{display:flex;flex-direction:column;gap:20px;}
.case-mini{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow-card);
  transition:box-shadow .2s,transform .2s,border-color .2s;flex:1;
}
.case-mini:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);border-color:var(--line-strong);}
.case-mini img{width:104px;height:104px;flex:0 0 104px;border-radius:12px;object-fit:cover;}
.case-mini-h4{font-size:15px;font-weight:700;color:var(--ink);margin:0 0 6px;line-height:1.45;}
.case-mini-p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ============ 價格 ============ */
.price-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:stretch;}
@media (min-width:768px){ .price-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;} }
.price-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px 26px;display:flex;flex-direction:column;
  box-shadow:var(--shadow-card);transition:box-shadow .2s,transform .2s,border-color .2s;
}
.price-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);}
.price-card.featured{border:1.5px solid var(--brand-600);box-shadow:0 2px 6px rgba(16,24,40,.05),0 22px 48px -24px rgba(47,91,224,.55);}
@media (min-width:768px){ .price-card.featured{margin-top:-16px;} }
.price-badge{
  position:absolute;top:-13px;left:26px;background:var(--brand-600);color:#fff;
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.04em;
}
.price-name{font-size:1.05rem;font-weight:700;color:var(--ink);margin:0 0 6px;}
.price-note{font-size:13px;color:var(--muted);margin:0 0 18px;line-height:1.6;}
.price-amount{font-family:'Inter',var(--font-sans);font-size:2rem;font-weight:800;color:var(--ink);line-height:1.15;font-variant-numeric:tabular-nums;}
.price-unit{font-size:13px;color:var(--muted);font-weight:500;margin-left:6px;}
.price-list{margin:20px 0 26px;display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);padding-top:20px;}
.price-list li{position:relative;padding-left:24px;font-size:14px;color:var(--body);line-height:1.7;}
.price-list li i{position:absolute;left:0;top:4px;color:var(--brand-600);font-size:13px;}
.price-card .btn{margin-top:auto;}

/* ============ 最新資訊 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){ .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:1024px){ .news-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:box-shadow .2s,transform .2s,border-color .2s;height:100%;
}
.post-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);border-color:var(--line-strong);}
.post-cover{position:relative;overflow:hidden;background:var(--brand-50);}
.post-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease-out;}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-badge{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);
  color:var(--brand-700);font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;
  backdrop-filter:blur(4px);
}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.post-title{
  font-size:1.02rem;font-weight:700;color:var(--ink);line-height:1.5;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  font-size:14px;color:var(--body);line-height:1.75;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:14px;font-size:12.5px;color:var(--muted);
}
.post-foot i{color:var(--brand-600);transition:transform .2s ease-out;}
.post-card:hover .post-foot i{transform:translateX(3px);}
.empty-state{
  border:1.5px dashed var(--line-strong);background:#FBFCFE;
  border-radius:var(--radius-card);padding:48px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--brand-500);margin-bottom:14px;display:block;}
.empty-state p{margin:0 0 18px;color:var(--muted);font-size:15px;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){ .faq-grid{grid-template-columns:5fr 7fr;gap:56px;} }
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.faq-item.open{border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;background:none;border:none;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.55;
  transition:color .18s;
}
.faq-q:hover{color:var(--brand-700);}
.faq-q .faq-ico{
  flex:0 0 22px;width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  color:var(--brand-600);font-size:14px;transition:transform .24s ease-out;
}
.faq-item.open .faq-q .faq-ico{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-a-inner{padding:0 20px 20px;border-top:1px solid var(--line);margin-top:0;padding-top:16px;}
.faq-a-inner p{margin:0;font-size:15px;line-height:1.9;color:var(--body);}

/* ============ CTA 橫幅 ============ */
.cta-banner{
  position:relative;border-radius:20px;overflow:hidden;
  min-height:240px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.jpg');
  background-size:cover;background-position:center;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(255,255,255,.94) 0%, rgba(238,243,255,.88) 55%, rgba(238,243,255,.72) 100%);
}
.cta-inner{position:relative;z-index:1;width:100%;padding:40px 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
@media (min-width:768px){ .cta-inner{padding:48px 48px;} }
.cta-h2{font-size:1.6rem;font-weight:800;color:var(--ink);margin:0 0 10px;line-height:1.3;letter-spacing:-.01em;}
@media (min-width:768px){ .cta-h2{font-size:1.9rem;} }
.cta-p{margin:0;font-size:15px;color:var(--body);max-width:560px;line-height:1.8;}

/* ============ 頁腳 ============ */
.site-footer{background:var(--ink);color:#B9C4D6;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:40px;}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;} }
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo .logo-mark{background:var(--brand-600);}
.footer-line1{font-size:15px;font-weight:800;color:#fff;line-height:1.2;}
.footer-line2{font-size:11px;font-weight:600;color:#8FA6E8;letter-spacing:.12em;}
.footer-about{font-size:14px;line-height:1.8;color:#B9C4D6;margin:0 0 16px;max-width:320px;}
.footer-contact{font-size:13.5px;color:#93A2BC;display:flex;flex-direction:column;gap:8px;}
.footer-contact span{display:flex;align-items:center;gap:8px;}
.footer-contact i{color:#6E82A8;width:14px;}
.footer-h4{font-size:12px;font-weight:700;letter-spacing:.14em;color:#8FA6E8;margin:0 0 16px;text-transform:uppercase;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:#B9C4D6;}
.footer-links a:hover{color:#fff;}
.footer-sub p{font-size:13.5px;line-height:1.75;color:#93A2BC;margin:0 0 14px;}
.sub-form{display:flex;gap:8px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 160px;height:42px;padding:0 14px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;font-family:inherit;
}
.sub-form input::placeholder{color:#7E8CA6;}
.sub-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(61,107,234,.24);}
.sub-form button{
  height:42px;padding:0 18px;border-radius:10px;border:none;background:var(--brand-600);
  color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .18s,transform .18s;
}
.sub-form button:hover{background:var(--brand-500);transform:translateY(-1px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:#7E8CA6;
}
.footer-bottom a{color:#93A2BC;}
.footer-bottom a:hover{color:#fff;}

/* ============ 其他 ============ */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;background:var(--brand-50);
  color:var(--brand-700);font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:999px;
}
.badge-accent{background:var(--accent-50);color:var(--accent-600);}
.trust-strip{
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;
  padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.trust-strip span{font-size:13.5px;color:var(--muted);display:inline-flex;align-items:center;gap:8px;}
.trust-strip i{color:var(--brand-600);font-size:12px;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* roulang page: article */
:root{
  --brand-600:#2F5BE0;
  --brand-700:#1E3FA8;
  --brand-50:#EEF3FF;
  --accent-500:#FF7A4D;
  --accent-50:#FFF1EB;
  --accent-700:#C4491F;
  --ink:#0F1B33;
  --body:#43516B;
  --muted:#7A879E;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E4EAF4;
  --line-strong:#C9D6F0;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(16,24,40,.04), 0 10px 28px -16px rgba(16,24,40,.16);
  --shadow-card-hover:0 2px 6px rgba(16,24,40,.06), 0 18px 40px -18px rgba(16,24,40,.24);
  --sidebar-w:248px;
}
@media (min-width:1280px){ :root{ --sidebar-w:264px; } }

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  font-family:'Noto Sans TC','PingFang TC','Microsoft JhengHei',system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{ overflow:hidden; }
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
h1,h2,h3,h4,p,ul,ol{ margin:0; }
:focus-visible{ outline:2px solid rgba(47,91,224,.45); outline-offset:2px; border-radius:4px; }

.skip-link{
  position:absolute; left:12px; top:-60px; z-index:200;
  background:var(--brand-600); color:#fff; padding:10px 18px;
  border-radius:var(--radius-btn); font-size:14px; font-weight:700;
  transition:top .2s ease-out;
}
.skip-link:focus{ top:12px; }

/* ===== 容器 ===== */
.container-x{
  width:100%; max-width:1200px; margin:0 auto;
  padding-left:20px; padding-right:20px;
}
@media (min-width:768px){ .container-x{ padding-left:40px; padding-right:40px; } }
@media (min-width:1280px){ .container-x{ padding-left:56px; padding-right:56px; } }

/* ===== 品牌組合 ===== */
.brand{ display:inline-flex; align-items:center; gap:10px; }
.logo-mark{
  width:32px; height:32px; flex:none; border-radius:9px;
  background:var(--brand-600);
  display:inline-flex; align-items:center; justify-content:center;
  box-shadow:0 6px 14px -8px rgba(47,91,224,.9);
}
.logo-mark svg{ width:20px; height:20px; }
.brand-line1{ display:block; font-size:15px; font-weight:800; color:var(--ink); line-height:1.2; letter-spacing:.01em; white-space:nowrap; }
.brand-line2{ display:block; font-size:11px; font-weight:600; letter-spacing:.12em; color:var(--brand-600); line-height:1.3; margin-top:2px; white-space:nowrap; }

/* ===== 行動端頂欄 ===== */
.mobile-topbar{
  position:sticky; top:0; z-index:70; height:64px;
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; padding:0 18px;
  background:#fff; border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px -14px rgba(16,24,40,.4);
}
.nav-toggle{
  width:44px; height:44px; border-radius:10px; border:1px solid var(--line);
  display:inline-flex; align-items:center; justify-content:center;
  color:var(--ink); font-size:17px; background:#fff;
  transition:background .18s ease, border-color .18s ease;
}
.nav-toggle:hover{ background:var(--brand-50); border-color:var(--line-strong); color:var(--brand-700); }
@media (min-width:1024px){ .mobile-topbar{ display:none; } }

/* ===== 側欄 ===== */
.side-nav-wrap{
  position:fixed; top:0; left:0; bottom:0;
  width:var(--sidebar-w);
  background:#fff; border-right:1px solid var(--line);
  display:flex; flex-direction:column;
  padding:0 20px 22px;
  overflow-y:auto; z-index:80;
  transform:translateX(-100%);
  transition:transform .24s ease-out;
  scrollbar-width:thin;
}
.side-nav-wrap.open{ transform:translateX(0); }
@media (min-width:1024px){ .side-nav-wrap{ transform:none; z-index:50; } }
.side-nav-wrap::-webkit-scrollbar{ width:6px; }
.side-nav-wrap::-webkit-scrollbar-thumb{ background:var(--line-strong); border-radius:999px; }

.brand-block{
  height:72px; display:flex; align-items:center;
  border-bottom:1px solid var(--line); margin-bottom:8px; flex:none;
}
.drawer-close{
  position:absolute; top:16px; right:14px;
  width:36px; height:36px; border-radius:9px;
  display:none; align-items:center; justify-content:center;
  color:var(--muted); border:1px solid var(--line);
}
@media (max-width:1023px){ .drawer-close{ display:inline-flex; } }
.drawer-close:hover{ color:var(--ink); background:var(--brand-50); }

.nav-group-label{
  font-size:11px; font-weight:700; letter-spacing:.14em;
  color:var(--muted); margin:20px 0 8px;
}
.nav-item{
  position:relative;
  display:flex; align-items:center; gap:10px;
  height:44px; padding:0 12px; border-radius:10px;
  font-size:15px; font-weight:500; color:var(--body);
  transition:background .18s ease, color .18s ease;
}
.nav-item i{ width:18px; text-align:center; font-size:15px; color:var(--muted); transition:color .18s ease; }
.nav-item:hover{ background:#F3F6FC; color:var(--ink); }
.nav-item:hover i{ color:var(--brand-600); }
.nav-item.active{ background:var(--brand-50); color:var(--brand-700); font-weight:700; }
.nav-item.active i{ color:var(--brand-600); }
.nav-item.active::before{
  content:""; position:absolute; left:0; top:10px; bottom:10px;
  width:3px; border-radius:3px; background:var(--brand-600);
}
.nav-divider{ height:1px; background:var(--line); margin:18px 0 0; }

.nav-mini-card{
  margin-top:auto; background:var(--brand-50);
  border:1px solid var(--line); border-radius:12px;
  padding:16px; margin-top:28px;
}
.nav-mini-card p{ font-size:13px; line-height:1.7; color:var(--brand-700); font-weight:600; }
.nav-mini-card a{
  display:inline-flex; align-items:center; justify-content:center;
  margin-top:12px; height:36px; padding:0 14px; width:100%;
  border-radius:9px; background:var(--brand-600); color:#fff;
  font-size:13.5px; font-weight:700;
  transition:background .18s ease, transform .18s ease;
}
.nav-mini-card a:hover{ background:var(--brand-700); transform:translateY(-1px); }

.drawer-overlay{
  position:fixed; inset:0; z-index:75;
  background:rgba(15,27,51,.45);
  backdrop-filter:blur(2px);
}
@media (min-width:1024px){ .drawer-overlay{ display:none !important; } }

/* ===== 主內容區 ===== */
.main-shell{ min-height:100vh; display:flex; flex-direction:column; }
@media (min-width:1024px){ .main-shell{ margin-left:var(--sidebar-w); } }

.topbar{
  height:56px; display:flex; align-items:center; justify-content:space-between;
  gap:16px; padding:0 20px; background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--line); z-index:40;
}
@media (min-width:1024px){ .topbar{ position:sticky; top:0; backdrop-filter:blur(8px); } }
@media (min-width:768px){ .topbar{ padding:0 40px; } }
@media (min-width:1280px){ .topbar{ padding:0 56px; } }

.breadcrumb{ display:flex; align-items:center; gap:8px; font-size:13.5px; color:var(--body); flex-wrap:wrap; }
.breadcrumb a{ color:var(--body); transition:color .18s ease; }
.breadcrumb a:hover{ color:var(--brand-600); }
.breadcrumb .sep{ color:var(--line-strong); }
.breadcrumb .current{ color:var(--muted); max-width:52vw; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.topbar-tag{
  display:none; font-size:11px; font-weight:700; letter-spacing:.14em;
  color:var(--brand-700); background:var(--brand-50);
  padding:5px 12px; border-radius:999px;
}
@media (min-width:768px){ .topbar-tag{ display:inline-flex; } }

.page-main{ flex:1; padding:32px 0 64px; }

/* ===== 文章版式 ===== */
.article-layout{ display:grid; gap:32px; }
@media (min-width:1024px){
  .article-layout{ grid-template-columns:minmax(0,1fr) 320px; gap:44px; align-items:start; }
}

.badge{
  display:inline-flex; align-items:center; gap:6px;
  height:26px; padding:0 12px; border-radius:999px;
  background:var(--brand-50); color:var(--brand-700);
  font-size:12.5px; font-weight:700; letter-spacing:.02em;
}
.badge-accent{ background:var(--accent-50); color:var(--accent-700); }

.article-head{ padding:4px 0 26px; border-bottom:1px solid var(--line); }
.article-title{
  margin-top:16px;
  font-size:clamp(1.6rem,3.4vw,2.4rem);
  font-weight:900; line-height:1.28; letter-spacing:-.01em;
  color:var(--ink); text-align:left;
}
.article-meta{
  display:flex; flex-wrap:wrap; align-items:center; gap:10px;
  margin-top:16px; font-size:13px; color:var(--muted);
}
.article-meta i{ margin-right:6px; color:var(--line-strong); }
.article-meta .dot{ color:var(--line-strong); }

.article-body-wrap{
  background:var(--card); border:1px solid var(--line);
  border-radius:var(--radius-card); box-shadow:var(--shadow-card);
  padding:26px 20px; margin-top:28px;
}
@media (min-width:768px){ .article-body-wrap{ padding:40px; } }

.prose-tc{ max-width:72ch; font-size:16.5px; line-height:1.9; color:var(--body); }
.prose-tc p{ margin:0 0 1.2em; }
.prose-tc h2{
  margin:2.5rem 0 1rem; padding-left:14px;
  border-left:3px solid var(--brand-600);
  font-size:1.5rem; font-weight:800; line-height:1.32; color:var(--ink);
  scroll-margin-top:90px;
}
.prose-tc h3{
  margin:1.75rem 0 .75rem; font-size:1.18rem; font-weight:700;
  color:var(--ink); line-height:1.45; scroll-margin-top:90px;
}
.prose-tc h2:first-child,.prose-tc h3:first-child{ margin-top:0; }
.prose-tc ul,.prose-tc ol{ margin:0 0 1.2em; padding-left:1.4em; }
.prose-tc li{ margin:.4em 0; }
.prose-tc ul li::marker{ color:var(--brand-600); }
.prose-tc ol li::marker{ color:var(--brand-600); font-weight:700; }
.prose-tc a{ color:var(--brand-600); text-decoration:underline; text-underline-offset:3px; }
.prose-tc a:hover{ color:var(--brand-700); }
.prose-tc strong{ color:var(--ink); font-weight:700; }
.prose-tc img{ width:100%; height:auto; border-radius:12px; margin:1.4em 0; }
.prose-tc blockquote{
  margin:1.5em 0; padding:18px 20px;
  background:var(--brand-50); border-left:4px solid var(--brand-600);
  border-radius:0 12px 12px 0; color:var(--ink);
}
.prose-tc blockquote p:last-child{ margin-bottom:0; }
.prose-tc table{ width:100%; border-collapse:collapse; margin:1.5em 0; font-size:15px; }
.prose-tc th{ background:var(--brand-50); color:var(--ink); text-align:left; font-weight:700; }
.prose-tc th,.prose-tc td{ border:1px solid var(--line); padding:10px 14px; }
.prose-tc figure{ margin:1.5em 0; }
.prose-tc figcaption{ font-size:13px; color:var(--muted); text-align:center; margin-top:8px; }
.prose-tc hr{ border:0; border-top:1px solid var(--line); margin:2em 0; }

.empty-state{ text-align:center; padding:40px 8px; }
.empty-state i{ font-size:30px; color:var(--line-strong); }
.empty-state h2{ margin:16px 0 10px; font-size:1.25rem; font-weight:800; color:var(--ink); }
.empty-state p{ max-width:44ch; margin:0 auto 22px; font-size:15px; color:var(--body); }

/* ===== 按鈕 / 連結 ===== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:44px; padding:0 22px; border-radius:var(--radius-btn);
  font-size:15px; font-weight:700; border:1px solid transparent;
  transition:background .2s ease-out, color .2s ease-out, border-color .2s ease-out, transform .2s ease-out, box-shadow .2s ease-out;
}
.btn-primary{ background:var(--brand-600); color:#fff; }
.btn-primary:hover{ background:var(--brand-700); transform:translateY(-1px); box-shadow:0 12px 24px -14px rgba(47,91,224,.85); }
.btn-secondary{ background:#fff; border-color:var(--line-strong); color:var(--brand-600); }
.btn-secondary:hover{ border-color:var(--brand-600); background:var(--brand-50); }
.btn-block{ width:100%; }
@media (max-width:520px){ .btn{ width:100%; } }

.link-arrow{ display:inline-flex; align-items:center; gap:6px; font-size:14.5px; font-weight:700; color:var(--brand-600); }
.link-arrow .arrow{ transition:transform .2s ease-out; }
.link-arrow:hover{ color:var(--brand-700); }
.link-arrow:hover .arrow{ transform:translateX(3px); }

/* ===== 側欄卡片 ===== */
.article-aside{ display:flex; flex-direction:column; gap:20px; }
@media (min-width:1024px){ .article-aside{ position:sticky; top:80px; align-self:start; } }

.panel{
  background:var(--card); border:1px solid var(--line);
  border-radius:var(--radius-card); box-shadow:var(--shadow-card);
  padding:22px;
}
.panel-title{ font-size:15px; font-weight:800; color:var(--ink); letter-spacing:.02em; }

.toc-head{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
.toc-title{ font-size:14px; font-weight:800; color:var(--ink); letter-spacing:.06em; }
.toc-toggle{
  display:none; font-size:12.5px; font-weight:700; color:var(--brand-600);
  border:1px solid var(--line-strong); border-radius:8px; padding:3px 10px;
}
.toc-list{ margin-top:14px; display:flex; flex-direction:column; gap:2px; max-height:320px; overflow-y:auto; }
.toc-link{
  display:block; padding:7px 10px; border-left:2px solid transparent;
  font-size:13.5px; line-height:1.6; color:var(--body);
  border-radius:0 8px 8px 0; transition:all .18s ease;
}
.toc-link:hover{ background:#F3F6FC; color:var(--brand-700); }
.toc-link.toc-sub{ padding-left:22px; font-size:13px; color:var(--muted); }
.toc-link.is-active{ border-left-color:var(--brand-600); background:var(--brand-50); color:var(--brand-700); font-weight:700; }
@media (max-width:1023px){
  .toc-toggle{ display:inline-flex; }
  .toc-list{ display:none; max-height:none; }
  .toc-card.open .toc-list{ display:flex; }
}

.cta-mini{ background:var(--brand-50); border-color:var(--line-strong); }
.cta-mini-title{ font-size:15px; font-weight:800; color:var(--brand-700); line-height:1.5; }
.cta-mini-text{ margin:10px 0 16px; font-size:13.5px; line-height:1.75; color:var(--body); }

.mini-post{ display:flex; gap:12px; padding:10px 0; border-top:1px solid var(--line); align-items:flex-start; }
.mini-post:first-of-type{ border-top:0; padding-top:14px; }
.mini-post img{
  width:72px; height:52px; object-fit:cover; border-radius:9px;
  background:var(--brand-50); flex:none;
}
.mini-post-title{ display:block; font-size:13.5px; font-weight:700; line-height:1.55; color:var(--ink); transition:color .18s ease; }
.mini-post:hover .mini-post-title{ color:var(--brand-600); }
.mini-post-date{ display:block; margin-top:4px; font-size:12px; color:var(--muted); }

/* ===== 文末 ===== */
.tag-list{ display:flex; flex-wrap:wrap; gap:8px; margin-top:32px; }
.tag{
  display:inline-flex; align-items:center; height:32px; padding:0 14px;
  border-radius:999px; background:#fff; border:1px solid var(--line);
  font-size:13px; color:var(--body);
  transition:border-color .18s ease, color .18s ease, background .18s ease;
}
.tag:hover{ border-color:var(--brand-600); color:var(--brand-700); background:var(--brand-50); }

.author-card{
  display:flex; gap:16px; align-items:flex-start;
  margin-top:28px; padding:24px;
  background:var(--card); border:1px solid var(--line);
  border-radius:var(--radius-card); box-shadow:var(--shadow-card);
}
.author-avatar{
  width:48px; height:48px; border-radius:12px; flex:none;
  background:var(--brand-600); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-size:18px;
}
.author-name{ font-size:15px; font-weight:800; color:var(--ink); }
.author-desc{ margin-top:6px; font-size:13.5px; line-height:1.75; color:var(--body); }

.cta-banner{
  position:relative; overflow:hidden;
  margin-top:28px; border-radius:20px;
  border:1px solid var(--line-strong);
  background-image:url('/assets/images/backpic/back-2.jpg');
  background-size:cover; background-position:center;
  padding:36px 28px;
}
.cta-banner::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(255,255,255,.94) 0%, rgba(238,243,255,.90) 55%, rgba(238,243,255,.72) 100%);
}
.cta-banner-inner{ position:relative; z-index:1; display:flex; flex-wrap:wrap; gap:20px; align-items:center; justify-content:space-between; }
.cta-banner h2{ font-size:1.35rem; font-weight:900; color:var(--ink); line-height:1.4; }
.cta-banner p{ margin-top:8px; font-size:14px; color:var(--body); max-width:46ch; }

.section-h2{ font-size:1.35rem; font-weight:900; color:var(--ink); letter-spacing:-.005em; }
.related-section{ margin-top:40px; }
.related-grid{ display:grid; gap:18px; margin-top:18px; }
@media (min-width:768px){ .related-grid{ grid-template-columns:repeat(3,minmax(0,1fr)); } }
.rel-card{
  display:block; background:var(--card); border:1px solid var(--line);
  border-radius:var(--radius-card); box-shadow:var(--shadow-card);
  overflow:hidden; transition:border-color .2s ease-out, box-shadow .2s ease-out, transform .2s ease-out;
}
.rel-card:hover{ border-color:var(--line-strong); box-shadow:var(--shadow-card-hover); transform:translateY(-2px); }
.rel-thumb{ aspect-ratio:16/10; background:var(--brand-50); overflow:hidden; }
.rel-thumb img{ width:100%; height:100%; object-fit:cover; }
.rel-body{ padding:18px; }
.rel-body h3{ margin-top:10px; font-size:15px; font-weight:800; line-height:1.5; color:var(--ink); }
.rel-body p{ margin-top:8px; font-size:13.5px; line-height:1.75; color:var(--body); }
.rel-meta{ display:block; margin-top:12px; font-size:12px; color:var(--muted); }

/* ===== FAQ ===== */
.faq-wrap{ margin-top:40px; }
.faq-item{
  background:#fff; border:1px solid var(--line); border-radius:12px;
  padding:0 20px; margin-bottom:10px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.faq-item + .faq-item{ margin-top:10px; }
.faq-item:hover{ border-color:var(--line-strong); }
.faq-item[open]{ border-color:var(--line-strong); box-shadow:var(--shadow-card); }
.faq-item summary{
  list-style:none; cursor:pointer;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:18px 0; font-size:15.5px; font-weight:700; color:var(--ink);
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:"+"; flex:none; width:22px; text-align:center;
  font-size:19px; font-weight:600; color:var(--brand-600); line-height:1;
}
.faq-item[open] summary::after{ content:"−"; }
.faq-answer{ padding:0 0 20px; border-top:1px solid var(--line); margin-top:0; }
.faq-answer p{ padding-top:16px; font-size:14.5px; line-height:1.85; color:var(--body); }

/* ===== 頁腳 ===== */
.site-footer{ background:var(--ink); color:#B9C4D6; padding:60px 0 26px; margin-top:64px; }
.footer-grid{ display:grid; gap:36px; }
@media (min-width:768px){ .footer-grid{ grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:32px; } }
.footer-logo{ display:flex; align-items:center; gap:10px; }
.footer-line1{ font-size:15px; font-weight:800; color:#fff; }
.footer-line2{ font-size:11px; font-weight:600; letter-spacing:.12em; color:#8FB0FF; }
.footer-about{ margin:16px 0 18px; font-size:13.5px; line-height:1.85; max-width:34ch; }
.footer-contact{ display:flex; flex-direction:column; gap:9px; font-size:13px; }
.footer-contact i{ color:#7E93C9; margin-right:8px; }
.footer-h4{ font-size:13.5px; font-weight:800; color:#fff; margin-bottom:16px; letter-spacing:.04em; }
.footer-links{ display:flex; flex-direction:column; gap:10px; font-size:13.5px; }
.footer-links a{ color:#B9C4D6; transition:color .18s ease; }
.footer-links a:hover{ color:#fff; }
.footer-sub p{ font-size:13px; line-height:1.8; margin-bottom:14px; }
.sub-form{ display:flex; gap:8px; }
.sub-form input{
  flex:1; min-width:0; height:44px; padding:0 14px;
  border-radius:10px; border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06); color:#fff; font-size:14px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.sub-form input::placeholder{ color:#8798B6; }
.sub-form input:focus{ outline:none; border-color:var(--brand-600); box-shadow:0 0 0 3px rgba(47,91,224,.28); }
.sub-form button{
  height:44px; padding:0 18px; border-radius:10px;
  background:var(--brand-600); color:#fff; font-size:14px; font-weight:700;
  transition:background .18s ease, transform .18s ease;
}
.sub-form button:hover{ background:var(--brand-700); transform:translateY(-1px); }
.footer-bottom{
  margin-top:44px; padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex; flex-wrap:wrap; gap:10px; justify-content:space-between;
  font-size:12.5px; color:#8798B6;
}
.footer-bottom a{ color:#B9C4D6; }
.footer-bottom a:hover{ color:#fff; }
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
@media (max-width:520px){
  .sub-form{ flex-direction:column; }
  .sub-form button{ width:100%; }
  .cta-banner{ padding:26px 20px; }
  .author-card{ flex-direction:column; }
}

/* roulang page: category1 */
:root{
  --brand-600:#2F5BE0;
  --brand-700:#1E3FA8;
  --brand-50:#EEF3FF;
  --accent-500:#FF7A4D;
  --accent-700:#C24E22;
  --ink:#0F1B33;
  --body:#43516B;
  --muted:#7A879E;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E4EAF4;
  --line-strong:#C9D6F0;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(16,24,40,.04), 0 10px 28px -16px rgba(16,24,40,.16);
  --shadow-card-hover:0 2px 4px rgba(16,24,40,.06), 0 18px 40px -18px rgba(16,24,40,.24);
  --sidebar-w:264px;
}
@media (max-width:1279px){ :root{ --sidebar-w:248px; } }
@media (max-width:1023px){ :root{ --sidebar-w:0px; } }

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--body);
  font-family:'Noto Sans TC','PingFang TC','Microsoft JhengHei',sans-serif;
  font-size:16.5px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.scroll-lock{overflow:hidden}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.25;letter-spacing:-0.01em;text-align:left}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
:focus-visible{outline:2px solid rgba(47,91,224,.4);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- container ---------- */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:768px){ .container-x{padding-left:40px;padding-right:40px} }
@media (min-width:1280px){ .container-x{padding-left:56px;padding-right:56px} }

/* ---------- sidebar / nav ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:0 20px 20px;overflow-y:auto;z-index:60;
  scrollbar-width:thin;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:3px}
.sidebar-brand{
  height:72px;flex:none;display:flex;align-items:center;gap:10px;
  border-bottom:1px solid var(--line);margin-bottom:6px;
}
.logo-mark{
  flex:none;width:32px;height:32px;border-radius:9px;background:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -8px rgba(47,91,224,.9);
}
.logo-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-line1{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand-line2{font-size:11px;font-weight:600;color:var(--brand-600);letter-spacing:.12em}

.side-nav{display:flex;flex-direction:column;padding-top:10px}
.nav-group-label{
  font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--muted);
  margin:16px 0 6px;padding-left:12px;text-transform:uppercase;
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--body);
  transition:background .2s ease,color .2s ease;
}
.nav-item i{width:18px;text-align:center;font-size:15px;color:var(--muted);transition:color .2s ease}
.nav-item:hover{background:#F3F6FC;color:var(--ink)}
.nav-item:hover i{color:var(--brand-600)}
.nav-item.active{background:var(--brand-50);color:var(--brand-700);font-weight:700}
.nav-item.active i{color:var(--brand-700)}
.nav-item.active::before{
  content:'';position:absolute;left:0;top:11px;bottom:11px;width:3px;
  background:var(--brand-600);border-radius:0 3px 3px 0;
}
.nav-divider{height:1px;background:var(--line);margin:16px 0}

.side-cta{
  margin-top:auto;background:var(--brand-50);border-radius:12px;
  padding:16px;font-size:13px;line-height:1.7;color:var(--body);
}
.side-cta strong{display:block;font-size:13.5px;color:var(--ink);font-weight:700;margin-bottom:4px}
.side-cta .mini-btn{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  height:34px;padding:0 14px;border-radius:8px;
  background:var(--brand-600);color:#fff;font-size:12.5px;font-weight:700;
  transition:background .2s ease,transform .2s ease;
}
.side-cta .mini-btn:hover{background:var(--brand-700);transform:translateY(-1px)}

/* ---------- mobile bar / drawer ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:50;height:64px;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 18px;
  box-shadow:0 1px 0 rgba(16,24,40,.04);
}
.burger{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;
  font-size:16px;cursor:pointer;transition:background .2s,border-color .2s;
}
.burger:hover{background:var(--brand-50);border-color:var(--line-strong)}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(15,27,51,.45);
  opacity:0;pointer-events:none;transition:opacity .24s ease;z-index:55;
}
.drawer-overlay.show{opacity:1;pointer-events:auto}

/* ---------- main layout ---------- */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:40;height:56px;flex:none;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 32px;font-size:13.5px;
}
.crumb{display:flex;align-items:center;gap:8px;color:var(--muted)}
.crumb a{color:var(--body);font-weight:600;transition:color .2s}
.crumb a:hover{color:var(--brand-600)}
.crumb-sep{color:var(--line-strong)}
.crumb-current{color:var(--muted)}
.topbar-tag{
  font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--brand-700);
  background:var(--brand-50);border-radius:999px;padding:4px 12px;white-space:nowrap;
}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 22px -14px rgba(47,91,224,.9)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(30,63,168,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:#fff;border-color:var(--line-strong);color:var(--brand-600)}
.btn-secondary:hover{border-color:var(--brand-600);background:var(--brand-50)}
.link-arrow{display:inline-flex;align-items:center;gap:7px;color:var(--brand-600);font-weight:700;font-size:14.5px}
.link-arrow i{font-size:12px;transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(3px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.badge-accent{background:rgba(255,122,77,.12);color:var(--accent-700)}
.eyebrow{
  font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--accent-500);
  text-transform:uppercase;margin-bottom:10px;
}

/* ---------- hero ---------- */
.hero-cat{
  position:relative;overflow:hidden;
  background-image:url(/assets/images/backpic/back-1.jpg);
  background-size:cover;background-position:center;
  padding:52px 0 56px;
}
.hero-cat::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(246,248,252,.96) 0%,rgba(246,248,252,.92) 45%,rgba(238,243,255,.82) 100%);
}
.hero-cat .container-x{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero-h1{
  font-size:clamp(2rem,3.4vw,3rem);font-weight:900;
  letter-spacing:-0.01em;line-height:1.18;margin:16px 0 18px;
}
.hero-lead{font-size:16.5px;line-height:1.9;color:var(--body);max-width:34em}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:26px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;box-shadow:0 24px 48px -28px rgba(15,27,51,.55);
}
.hero-float{
  position:absolute;left:-14px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;gap:2px;
}
.hero-float .hf-num{font-family:'Inter',sans-serif;font-size:20px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums}
.hero-float .hf-label{font-size:12.5px;color:var(--muted)}

/* ---------- anchor nav ---------- */
.anchor-bar{
  position:sticky;top:0;z-index:35;
  background:rgba(255,255,255,.95);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:30px;overflow-x:auto;height:54px;align-items:center;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  position:relative;font-size:14.5px;font-weight:600;color:var(--muted);
  white-space:nowrap;padding:15px 0;transition:color .2s ease;
}
.anchor-inner a:hover{color:var(--brand-600)}
.anchor-inner a.active{color:var(--brand-700)}
.anchor-inner a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand-600);border-radius:2px;
}

/* ---------- sections ---------- */
.section{padding:64px 0}
@media (min-width:768px){ .section{padding:88px 0 } }
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px}
.section-head h2{
  font-size:clamp(1.55rem,2.4vw,2.15rem);font-weight:800;margin-bottom:12px;
}
.section-head p{font-size:16px;color:var(--body);line-height:1.85;max-width:40em}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:40px}
.tl-item{position:relative;padding-left:72px;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:'';position:absolute;left:19px;top:44px;bottom:2px;width:2px;
  background:linear-gradient(180deg,var(--line-strong),var(--line));
}
.tl-item:last-child::before{display:none}
.tl-dot{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  background:#fff;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  font-family:'Inter',sans-serif;font-size:13px;font-weight:800;color:var(--brand-700);
  font-variant-numeric:tabular-nums;z-index:1;
}
.tl-body{
  display:grid;grid-template-columns:1fr 196px;gap:26px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.tl-body:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);border-color:var(--line-strong)}
.tl-body h3{font-size:1.14rem;font-weight:700;margin-bottom:8px}
.tl-body p{font-size:15px;line-height:1.85;color:var(--body)}
.tl-tag{
  display:inline-block;margin-top:12px;font-size:12px;font-weight:700;
  color:var(--brand-700);background:var(--brand-50);border-radius:999px;padding:3px 11px;
}
.tl-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px}

/* ---------- check list ---------- */
.check-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;margin-top:36px;
}
.check-grid li{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;transition:border-color .2s ease,box-shadow .2s ease;
}
.check-grid li:hover{border-color:var(--line-strong);box-shadow:var(--shadow-card)}
.check-grid .ck{
  flex:none;width:24px;height:24px;border-radius:50%;
  background:var(--brand-50);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:11px;margin-top:3px;
}
.check-grid strong{display:block;font-size:15px;color:var(--ink);font-weight:700;line-height:1.5}
.check-grid span{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- split / spec ---------- */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.spec-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
}
.spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:22px;
  padding:15px 22px;border-bottom:1px solid var(--line);font-size:15px;
}
.spec-row:last-child{border-bottom:0}
.spec-row .k{color:var(--muted);font-size:14px;flex:none}
.spec-row .v{color:var(--ink);font-weight:600;text-align:right}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;margin-top:36px}
.scene-item{display:flex;gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}
.scene-item i{flex:none;width:20px;text-align:center;color:var(--brand-600);font-size:16px;margin-top:6px}
.scene-item h3{font-size:16px;font-weight:700;margin-bottom:4px}
.scene-item p{font-size:14.5px;line-height:1.8;color:var(--body)}

/* ---------- faq ---------- */
.faq-wrap{margin-top:36px;max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.open{border-color:var(--line-strong);box-shadow:var(--shadow-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-icon{position:relative;flex:none;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:'';position:absolute;background:var(--brand-600);border-radius:2px;
  transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a-inner{
  padding:16px 22px 20px;border-top:1px solid var(--line);
  font-size:15px;line-height:1.9;color:var(--body);
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  padding:44px 40px;min-height:210px;
  background-image:url(/assets/images/backpic/back-3.jpg);
  background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(238,243,255,.96) 0%,rgba(238,243,255,.9) 55%,rgba(238,243,255,.74) 100%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.4rem,2.2vw,1.95rem);font-weight:800;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--body);max-width:34em}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B9C4D6;padding:64px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-line1{font-size:15px;font-weight:800;color:#fff;letter-spacing:.01em}
.footer-line2{font-size:11px;font-weight:600;color:#8FB0FF;letter-spacing:.12em}
.footer-about{font-size:14px;line-height:1.85;color:#B9C4D6;max-width:34ch}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px;margin-top:18px}
.footer-contact i{color:var(--accent-500);margin-right:8px;width:14px}
.footer-h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.06em;margin:0 0 14px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14.5px}
.footer-links a{color:#B9C4D6;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-sub p{font-size:13.5px;line-height:1.8;color:#B9C4D6}
.sub-form{display:flex;gap:8px;margin-top:14px}
.sub-form input{
  flex:1;min-width:0;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:14px;transition:border-color .2s,background .2s;
}
.sub-form input::placeholder{color:#8A97AE}
.sub-form input:focus{outline:none;border-color:#7FA0FF;background:rgba(255,255,255,.1)}
.sub-form button{
  height:44px;padding:0 18px;border-radius:10px;border:0;
  background:var(--brand-600);color:#fff;font-weight:700;font-size:14px;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.sub-form button:hover{background:var(--brand-700);transform:translateY(-1px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A97AE;
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .mobile-bar{display:flex}
  .sidebar{
    width:280px;transform:translateX(-100%);
    transition:transform .28s ease;
    box-shadow:0 24px 60px rgba(15,27,51,.28);
  }
  .sidebar.open{transform:translateX(0)}
  .topbar{position:static}
  .topbar-inner{padding:0 24px}
  .main{margin-left:0}
  .anchor-bar{top:0}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media img{aspect-ratio:16/10}
  .hero-float{left:auto;right:12px;bottom:-16px}
  .split{grid-template-columns:1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .tl-item{padding-left:54px}
  .tl-dot{width:34px;height:34px;font-size:12px}
  .tl-item::before{left:16px;top:38px}
  .tl-body{grid-template-columns:1fr;gap:18px;padding:20px}
  .tl-img{order:-1;aspect-ratio:16/9}
  .check-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:32px 24px}
  .cta-band .btn{width:100%}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%}
  .spec-row{flex-direction:column;gap:2px;align-items:flex-start}
  .spec-row .v{text-align:left}
}
@media (max-width:639px){
  .topbar-tag{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .anchor-inner{gap:22px}
}

/* roulang page: category2 */
:root{
    --brand-600:#2F5BE0;
    --brand-700:#1E3FA8;
    --brand-50:#EEF3FF;
    --accent-500:#FF7A4D;
    --accent-soft:rgba(255,122,77,.12);
    --ink:#0F1B33;
    --body:#43516B;
    --muted:#7A879E;
    --bg:#F6F8FC;
    --card:#FFFFFF;
    --line:#E4EAF4;
    --line-strong:#C9D6F0;
    --radius-card:16px;
    --radius-btn:10px;
    --shadow-card:0 1px 2px rgba(16,24,40,.04), 0 10px 28px -16px rgba(16,24,40,.16);
    --shadow-hover:0 2px 6px rgba(16,24,40,.06), 0 18px 36px -18px rgba(16,24,40,.22);
    --sidebar-w:264px;
    --sidebar-w-md:248px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:'Noto Sans TC','PingFang TC','Microsoft JhengHei','Inter',sans-serif;
    background:var(--bg);
    color:var(--body);
    font-size:16.5px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.25;text-align:left}
  p{margin:0}
  a{color:var(--brand-600);text-decoration:none}
  img{max-width:100%;display:block}
  button{font-family:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid rgba(47,91,224,.4);outline-offset:2px}

  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  @media (min-width:768px){ .container-x{padding:0 40px} }
  @media (min-width:1280px){ .container-x{padding:0 56px} }

  /* ============ 側欄 App Shell ============ */
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;
    width:var(--sidebar-w);
    background:#fff;
    border-right:1px solid var(--line);
    padding:0 24px 24px;
    display:flex;flex-direction:column;
    overflow-y:auto;
    z-index:60;
  }
  .sidebar::-webkit-scrollbar{width:6px}
  .sidebar::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px}

  .brand{
    display:flex;align-items:center;gap:10px;
    min-height:72px;
    border-bottom:1px solid var(--line);
    text-decoration:none;
    flex:0 0 auto;
  }
  .logo-mark{
    width:32px;height:32px;border-radius:9px;
    background:var(--brand-600);
    display:grid;place-items:center;
    flex:0 0 auto;
    box-shadow:0 8px 18px -10px rgba(47,91,224,.95);
  }
  .logo-mark svg{width:20px;height:20px;display:block}
  .brand-line1{display:block;font-size:15px;font-weight:800;color:var(--ink);line-height:1.15;letter-spacing:.01em}
  .brand-line2{display:block;font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--brand-600);line-height:1.5}

  .side-nav{display:flex;flex-direction:column;padding-bottom:20px}
  .nav-group-label{
    font-size:11px;letter-spacing:.14em;color:var(--muted);
    font-weight:700;margin:20px 0 8px;padding-left:12px;
  }
  .nav-item{
    position:relative;
    display:flex;align-items:center;gap:10px;
    height:44px;padding:0 12px;border-radius:10px;
    font-size:15px;font-weight:500;color:var(--body);
    transition:background .2s ease-out,color .2s ease-out;
  }
  .nav-item i{width:18px;text-align:center;font-size:14px;color:var(--muted);transition:color .2s ease-out}
  .nav-item:hover{background:#F3F6FC;color:var(--ink)}
  .nav-item:hover i{color:var(--brand-600)}
  .nav-item.active{background:var(--brand-50);color:var(--brand-700);font-weight:700}
  .nav-item.active i{color:var(--brand-600)}
  .nav-item.active::before{
    content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
    border-radius:3px;background:var(--brand-600);
  }
  .nav-divider{height:1px;background:var(--line);margin:18px 0 4px}

  .nav-mini{
    margin-top:auto;
    background:var(--brand-50);
    border-radius:12px;
    padding:16px;
  }
  .nav-mini p{font-size:13px;line-height:1.7;color:var(--brand-700);font-weight:600;margin-bottom:10px}
  .nav-mini a{
    display:inline-flex;align-items:center;gap:6px;
    height:36px;padding:0 14px;border-radius:9px;
    background:var(--brand-600);color:#fff;font-size:13px;font-weight:700;
    transition:background .2s ease-out,transform .2s ease-out;
  }
  .nav-mini a:hover{background:var(--brand-700);transform:translateY(-1px)}

  /* ============ 主區域 ============ */
  .main-wrap{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
  .topbar{
    position:sticky;top:0;z-index:40;
    height:56px;
    display:flex;align-items:center;gap:10px;
    padding:0 24px;
    background:rgba(255,255,255,.94);
    backdrop-filter:saturate(180%) blur(8px);
    border-bottom:1px solid var(--line);
  }
  @media (min-width:768px){ .topbar{padding:0 40px} }
  @media (min-width:1280px){ .topbar{padding:0 56px} }
  .crumb{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .crumb a{color:var(--body);transition:color .2s}
  .crumb a:hover{color:var(--brand-600)}
  .crumb .sep{color:var(--line-strong)}
  .crumb .now{color:var(--muted)}
  .topbar-tag{
    margin-left:auto;
    font-size:11px;letter-spacing:.14em;font-weight:700;
    color:var(--brand-700);background:var(--brand-50);
    padding:5px 12px;border-radius:999px;
  }

  /* ============ 行動版頂欄與抽屜 ============ */
  .mobile-bar{display:none}
  .drawer,.drawer-mask{display:none}

  @media (max-width:1023px){
    .sidebar{display:none}
    .main-wrap{margin-left:0}
    .mobile-bar{
      position:sticky;top:0;z-index:50;
      display:flex;align-items:center;gap:12px;
      height:64px;padding:0 20px;
      background:#fff;
      border-bottom:1px solid var(--line);
      box-shadow:0 6px 18px -16px rgba(16,24,40,.5);
    }
    .hamburger{
      width:40px;height:40px;border-radius:10px;
      border:1px solid var(--line);background:#fff;color:var(--ink);
      display:grid;place-items:center;font-size:16px;cursor:pointer;
      transition:background .2s,border-color .2s;
    }
    .hamburger:hover{background:var(--brand-50);border-color:var(--line-strong)}
    .mobile-bar .brand{min-height:auto;border-bottom:0;padding:0}
    .topbar{top:0}

    .drawer-mask{
      display:block;position:fixed;inset:0;z-index:70;
      background:rgba(15,27,51,.45);
      opacity:0;pointer-events:none;transition:opacity .25s ease;
    }
    .drawer-mask.open{opacity:1;pointer-events:auto}
    .drawer{
      display:flex;flex-direction:column;
      position:fixed;top:0;left:0;bottom:0;width:280px;z-index:80;
      background:#fff;border-right:1px solid var(--line);
      padding:0 20px 24px;overflow-y:auto;
      transform:translateX(-100%);
      transition:transform .28s ease-out;
    }
    .drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:64px;border-bottom:1px solid var(--line)}
    .drawer-head .brand{min-height:auto;border-bottom:0}
    .drawer-close{
      width:36px;height:36px;border-radius:9px;border:1px solid var(--line);
      background:#fff;color:var(--body);cursor:pointer;display:grid;place-items:center;
    }
    .drawer-close:hover{background:var(--brand-50);color:var(--brand-600)}
  }

  @media (max-width:1279px) and (min-width:1024px){
    .sidebar{width:var(--sidebar-w-md)}
    .main-wrap{margin-left:var(--sidebar-w-md)}
  }

  /* ============ Hero ============ */
  .page-hero{
    position:relative;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .page-hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.jpg');
    background-size:cover;
    background-position:center;
  }
  .page-hero-bg::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(120deg,rgba(255,255,255,.95) 0%,rgba(238,243,255,.92) 45%,rgba(246,248,252,.86) 100%);
  }
  .page-hero-inner{
    position:relative;z-index:1;
    display:grid;grid-template-columns:1fr;
    gap:32px;
    padding-top:48px;padding-bottom:48px;
    align-items:center;
  }
  @media (min-width:1024px){
    .page-hero-inner{grid-template-columns:7fr 5fr;gap:56px;min-height:380px;padding-top:56px;padding-bottom:56px}
  }
  .eyebrow{
    display:inline-block;
    font-size:11px;font-weight:800;letter-spacing:.14em;
    color:var(--accent-500);text-transform:uppercase;
    margin-bottom:14px;
  }
  .page-hero h1{
    font-size:clamp(1.9rem,3.6vw,2.9rem);
    font-weight:900;letter-spacing:-.01em;line-height:1.2;
    margin-bottom:16px;
  }
  .page-hero-sub{font-size:16.5px;line-height:1.9;color:var(--body);max-width:56ch}
  .btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .hero-meta{
    display:flex;flex-wrap:wrap;gap:28px;
    margin-top:32px;padding-top:24px;
    border-top:1px solid var(--line-strong);
  }
  .hero-meta li{display:flex;flex-direction:column;gap:2px}
  .hero-meta strong{
    font-size:1.65rem;font-weight:800;color:var(--ink);line-height:1.2;
    font-variant-numeric:tabular-nums;
  }
  .hero-meta strong em{font-size:.9rem;font-style:normal;font-weight:700;color:var(--body);margin-left:2px}
  .hero-meta span{font-size:13px;color:var(--muted)}
  .page-hero-media{position:relative}
  .page-hero-media img{
    width:100%;border-radius:20px;object-fit:cover;aspect-ratio:16/10;
    box-shadow:0 2px 6px rgba(16,24,40,.06),0 24px 48px -26px rgba(16,24,40,.4);
    border:1px solid rgba(255,255,255,.9);
  }
  .hero-float{
    position:absolute;left:-12px;bottom:-18px;
    background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:14px 18px;
    box-shadow:var(--shadow-card);
    display:flex;align-items:center;gap:12px;
  }
  .hero-float i{color:var(--brand-600);font-size:18px}
  .hero-float b{display:block;font-size:15px;color:var(--ink);font-weight:800;line-height:1.3}
  .hero-float small{font-size:12px;color:var(--muted);line-height:1.4}

  /* ============ 按鈕 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:700;border:1px solid transparent;
    cursor:pointer;white-space:nowrap;
    transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  }
  .btn i{font-size:13px;transition:transform .2s ease-out}
  .btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px -14px rgba(47,91,224,.95)}
  .btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(30,63,168,.85)}
  .btn-primary:hover i{transform:translateX(3px)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--line-strong)}
  .btn-ghost:hover{border-color:var(--brand-600);background:var(--brand-50)}
  .btn-ghost:active{background:#E4ECFF}

  /* ============ 錨點子導航 ============ */
  .anchor-bar{
    position:sticky;top:56px;z-index:30;
    background:rgba(246,248,252,.95);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .anchor-inner{
    display:flex;gap:28px;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .anchor-inner::-webkit-scrollbar{display:none}
  .anchor-link{
    position:relative;
    display:inline-block;
    padding:15px 0;
    font-size:14px;font-weight:600;color:var(--muted);
    white-space:nowrap;
    border-bottom:2px solid transparent;
    transition:color .2s ease-out,border-color .2s ease-out;
  }
  .anchor-link:hover{color:var(--ink)}
  .anchor-link.active{color:var(--brand-600);border-bottom-color:var(--brand-600)}

  /* ============ 區塊 ============ */
  .section{padding:64px 0}
  @media (min-width:768px){ .section{padding:88px 0} }
  .section-head{max-width:720px;margin-bottom:40px}
  .section-head h2{font-size:clamp(1.55rem,2.6vw,2.1rem);font-weight:800;margin-bottom:12px}
  .section-head p{font-size:16px;color:var(--body)}
  .section-kicker{
    display:block;font-size:11px;font-weight:800;letter-spacing:.14em;
    color:var(--accent-500);margin-bottom:10px;
  }

  /* ============ 左右交替圖文 ============ */
  .split-row{
    display:grid;grid-template-columns:1fr;gap:28px;
    padding:40px 0;
    border-bottom:1px solid var(--line);
  }
  .split-row:first-of-type{padding-top:0}
  .split-row:last-of-type{border-bottom:0;padding-bottom:0}
  @media (min-width:900px){
    .split-row{grid-template-columns:5fr 7fr;gap:56px;align-items:center;padding:56px 0}
    .split-row .split-media{order:1}
    .split-row .split-text{order:2}
    .split-row.alt{grid-template-columns:7fr 5fr}
    .split-row.alt .split-media{order:2}
    .split-row.alt .split-text{order:1}
  }
  .split-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:16px;
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
  }
  .split-text h2{font-size:clamp(1.4rem,2.3vw,1.85rem);margin-bottom:12px}
  .split-text > p{font-size:16px;line-height:1.9;color:var(--body);max-width:52ch}
  .dot-list{margin-top:20px}
  .dot-list li{
    position:relative;padding-left:22px;
    font-size:15px;line-height:1.85;color:var(--body);
  }
  .dot-list li + li{margin-top:10px}
  .dot-list li::before{
    content:"";position:absolute;left:0;top:10px;
    width:8px;height:8px;border-radius:50%;background:var(--brand-600);
  }
  .step-label{
    display:inline-block;
    font-size:12px;font-weight:800;letter-spacing:.1em;
    color:var(--brand-700);background:var(--brand-50);
    padding:4px 12px;border-radius:999px;margin-bottom:12px;
  }

  /* ============ 交付清單 ============ */
  .deliver-grid{
    display:grid;grid-template-columns:1fr;gap:16px;
    margin-top:8px;
  }
  @media (min-width:768px){ .deliver-grid{grid-template-columns:1fr 1fr;gap:20px 40px} }
  .deliver-item{
    display:flex;gap:16px;
    padding:20px 22px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:14px;
    transition:border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
  }
  .deliver-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
  .deliver-num{
    flex:0 0 auto;
    width:34px;height:34px;border-radius:10px;
    display:grid;place-items:center;
    background:var(--brand-50);color:var(--brand-700);
    font-size:14px;font-weight:800;
    font-variant-numeric:tabular-nums;
  }
  .deliver-item h3{font-size:15.5px;font-weight:700;margin-bottom:4px}
  .deliver-item p{font-size:14px;color:var(--muted);line-height:1.75}

  /* ============ 提示條 / 準備事項 ============ */
  .notice{
    background:var(--card);
    border:1px solid var(--line);
    border-left:4px solid var(--accent-500);
    border-radius:14px;
    padding:28px 30px;
  }
  .notice h2{font-size:clamp(1.3rem,2.2vw,1.6rem);margin-bottom:10px}
  .notice > p{font-size:15.5px;color:var(--body);max-width:64ch}
  .notice-list{
    display:grid;grid-template-columns:1fr;gap:14px;margin-top:22px;
  }
  @media (min-width:768px){ .notice-list{grid-template-columns:repeat(3,1fr);gap:24px} }
  .notice-list li{
    font-size:14.5px;line-height:1.8;color:var(--body);
    padding-top:14px;border-top:1px solid var(--line);
  }
  .notice-list b{display:block;color:var(--ink);font-size:15px;font-weight:700;margin-bottom:4px}

  /* ============ FAQ ============ */
  .faq-wrap{max-width:880px}
  .faq-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:12px;
    overflow:hidden;
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .faq-item + .faq-item{margin-top:12px}
  .faq-item:hover{border-color:var(--line-strong)}
  .faq-item.open{border-color:var(--line-strong);box-shadow:var(--shadow-card)}
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 22px;
    background:transparent;border:0;
    font-size:16px;font-weight:700;color:var(--ink);
    text-align:left;cursor:pointer;
    transition:color .2s ease-out;
  }
  .faq-q:hover{color:var(--brand-700)}
  .faq-icon{
    flex:0 0 auto;width:24px;height:24px;
    display:grid;place-items:center;
    color:var(--brand-600);font-size:13px;
    transition:transform .24s ease-out;
  }
  .faq-item.open .faq-icon{transform:rotate(180deg)}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .24s ease-out;
  }
  .faq-a-inner{
    padding:0 22px 22px;
    font-size:15px;line-height:1.9;color:var(--body);
  }
  .faq-a-inner::before{
    content:"";display:block;height:1px;background:var(--line);margin-bottom:16px;
  }

  /* ============ CTA 橫幅 ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    border-radius:20px;
    background-image:url('/assets/images/backpic/back-3.jpg');
    background-size:cover;background-position:center;
    padding:44px 32px;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(110deg,rgba(255,255,255,.95) 0%,rgba(238,243,255,.92) 55%,rgba(255,255,255,.86) 100%);
  }
  .cta-inner{
    position:relative;z-index:1;
    display:flex;flex-direction:column;gap:24px;
  }
  @media (min-width:900px){
    .cta-band{padding:56px 56px}
    .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}
  }
  .cta-inner h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:10px}
  .cta-inner p{font-size:15.5px;color:var(--body);max-width:52ch}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

  /* ============ 頁腳 ============ */
  .site-footer{
    background:var(--ink);
    color:#B9C4D6;
    padding:64px 0 0;
    margin-top:72px;
  }
  .footer-grid{
    display:grid;grid-template-columns:1fr;gap:40px;
  }
  @media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr;gap:40px} }
  @media (min-width:1100px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px} }
  .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
  .footer-logo .logo-mark{background:var(--brand-600)}
  .footer-line1{font-size:15px;font-weight:800;color:#fff;line-height:1.3}
  .footer-line2{font-size:11px;font-weight:700;letter-spacing:.12em;color:#8FA4D8;line-height:1.5}
  .footer-about{font-size:14px;line-height:1.85;color:#B9C4D6;max-width:34ch}
  .footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:20px;font-size:13.5px;color:#A5B2C8}
  .footer-contact i{color:var(--accent-500);margin-right:8px;font-size:12px}
  .footer-h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.02em}
  .footer-links{display:flex;flex-direction:column;gap:2px}
  .footer-links a{
    display:inline-block;
    padding:6px 0;font-size:14px;color:#B9C4D6;
    transition:color .2s ease-out,transform .2s ease-out;
  }
  .footer-links a:hover{color:#fff;transform:translateX(3px)}
  .footer-sub p{font-size:13.5px;line-height:1.8;color:#A5B2C8;margin-bottom:16px}
  .sub-form{display:flex;gap:8px;flex-wrap:wrap}
  .sub-form input{
    flex:1 1 150px;min-width:0;
    height:44px;padding:0 14px;
    border-radius:10px;
    border:1px solid rgba(255,255,255,.18);
    background:rgba(255,255,255,.06);
    color:#fff;font-size:14px;
    transition:border-color .2s,background .2s,box-shadow .2s;
  }
  .sub-form input::placeholder{color:#8C99B0}
  .sub-form input:focus{
    outline:none;border-color:var(--brand-600);
    background:rgba(255,255,255,.1);
    box-shadow:0 0 0 3px rgba(47,91,224,.28);
  }
  .sub-form button{
    height:44px;padding:0 20px;border-radius:10px;border:0;
    background:var(--brand-600);color:#fff;font-size:14px;font-weight:700;
    cursor:pointer;transition:background .2s ease-out,transform .2s ease-out;
  }
  .sub-form button:hover{background:var(--brand-700);transform:translateY(-1px)}
  .footer-bottom{
    margin-top:48px;
    border-top:1px solid rgba(255,255,255,.12);
    padding:22px 0;
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:13px;color:#8C99B0;
  }

  @media (max-width:520px){
    body{font-size:16px}
    .btn{width:100%}
    .cta-actions{width:100%}
    .hero-meta{gap:20px}
    .page-hero-inner{padding-top:36px;padding-bottom:40px}
    .section{padding:52px 0}
    .deliver-item{padding:18px}
    .notice{padding:22px}
    .faq-q{padding:18px;font-size:15px}
    .faq-a-inner{padding:0 18px 18px}
    .hero-float{left:0;bottom:-14px;padding:12px 14px}
  }

/* roulang page: category3 */
:root{
    --brand-600:#2F5BE0;
    --brand-700:#1E3FA8;
    --brand-50:#EEF3FF;
    --accent-500:#FF7A4D;
    --accent-900:#B3400F;
    --ink:#0F1B33;
    --body:#43516B;
    --muted:#7A879E;
    --bg:#F6F8FC;
    --card:#FFFFFF;
    --line:#E4EAF4;
    --line-strong:#C9D6F0;
    --radius-card:16px;
    --radius-btn:10px;
    --shadow-card:0 1px 2px rgba(16,24,40,.04), 0 10px 28px -16px rgba(16,24,40,.16);
    --shadow-hover:0 2px 4px rgba(16,24,40,.06), 0 18px 36px -18px rgba(16,24,40,.24);
    --sidebar-w:248px;
  }
  *,*::before,*::after{ box-sizing:border-box; }
  body.app-body{
    margin:0;
    font-family:'Noto Sans TC','PingFang TC','Microsoft JhengHei',sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--body);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  a{color:var(--brand-600);text-decoration:none;}
  img{max-width:100%;display:block;border-style:none;}
  button{font-family:inherit;}
  .sr-only{
    position:absolute;width:1px;height:1px;padding:0;margin:-1px;
    overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
  }
  :focus-visible{ outline:2px solid rgba(47,91,224,.45); outline-offset:2px; }

  /* ---------- 容器 ---------- */
  .container-x{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:24px;
    padding-right:24px;
  }
  @media(min-width:768px){ .container-x{ padding-left:40px; padding-right:40px; } }
  @media(min-width:1280px){ .container-x{ padding-left:56px; padding-right:56px; } }

  /* ---------- 側欄 App Shell ---------- */
  .side-shell{
    display:none;
    position:fixed;
    left:0;top:0;
    width:var(--sidebar-w);
    height:100vh;
    background:#fff;
    border-right:1px solid var(--line);
    padding:0 18px 24px;
    overflow-y:auto;
    z-index:60;
  }
  @media(min-width:1024px){
    .side-shell{ display:flex; flex-direction:column; width:248px; }
  }
  @media(min-width:1280px){
    .side-shell{ width:264px; }
    :root{ --sidebar-w:264px; }
  }
  .side-logo{
    display:flex;align-items:center;gap:10px;
    height:72px;flex:none;
    border-bottom:1px solid var(--line);
    margin-bottom:14px;
  }
  .logo-mark{
    width:32px;height:32px;flex:none;
    border-radius:9px;
    background:var(--brand-600);
    display:grid;place-items:center;
    box-shadow:0 6px 14px -8px rgba(47,91,224,.7);
  }
  .logo-mark svg{ width:19px;height:19px; }
  .logo-text{ display:flex;flex-direction:column;line-height:1.2; }
  .logo-line1{ font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.01em; }
  .logo-line2{ font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--brand-600);margin-top:2px; }
  .nav-group-label{
    font-size:11px;font-weight:700;letter-spacing:.14em;
    color:var(--muted);margin:14px 0 6px;padding-left:12px;
  }
  .nav-item{
    display:flex;align-items:center;gap:10px;
    height:44px;padding:0 12px;
    border-radius:10px;
    border-left:3px solid transparent;
    font-size:15px;font-weight:500;color:var(--body);
    transition:background .2s ease,color .2s ease,border-color .2s ease;
  }
  .nav-item i{ width:18px;font-size:14px;color:var(--muted);transition:color .2s ease; }
  .nav-item:hover{ background:#F3F6FC;color:var(--ink); }
  .nav-item:hover i{ color:var(--brand-600); }
  .nav-item.active{
    background:var(--brand-50);
    color:var(--brand-700);
    font-weight:700;
    border-left-color:var(--brand-600);
  }
  .nav-item.active i{ color:var(--brand-600); }
  .nav-divider{ height:1px;background:var(--line);margin:16px 0 4px; }
  .nav-mini{
    margin-top:auto;
    background:var(--brand-50);
    border-radius:12px;
    padding:16px;
    border:1px solid #DDE6FD;
  }
  .nav-mini p{ font-size:13px;line-height:1.7;color:var(--body);margin-bottom:10px; }
  .nav-mini strong{ display:block;font-size:14px;color:var(--ink);font-weight:800;margin-bottom:4px; }
  .nav-mini a{
    display:inline-flex;align-items:center;gap:6px;
    height:34px;padding:0 14px;
    border-radius:8px;
    background:var(--brand-600);color:#fff;
    font-size:13px;font-weight:700;
    transition:background .2s ease,transform .2s ease;
  }
  .nav-mini a:hover{ background:var(--brand-700);transform:translateY(-1px); }

  /* ---------- 主區 ---------- */
  .main-area{ margin-left:0;min-height:100vh;display:flex;flex-direction:column; }
  @media(min-width:1024px){ .main-area{ margin-left:248px; } }
  @media(min-width:1280px){ .main-area{ margin-left:264px; } }

  .mobile-bar{
    position:sticky;top:0;z-index:55;
    height:64px;
    display:flex;align-items:center;justify-content:space-between;
    gap:12px;
    padding:0 18px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 10px rgba(15,27,51,.06);
  }
  @media(min-width:1024px){ .mobile-bar{ display:none; } }
  .mobile-bar .logo-line1{ font-size:14px; }
  .mobile-bar .logo-line2{ font-size:10px; }
  .burger{
    width:42px;height:42px;
    display:grid;place-items:center;
    border-radius:10px;
    border:1px solid var(--line-strong);
    background:#fff;color:var(--brand-700);
    font-size:16px;cursor:pointer;
    transition:background .2s ease,border-color .2s ease;
  }
  .burger:hover{ background:var(--brand-50);border-color:var(--brand-600); }

  .drawer-mask{
    position:fixed;inset:0;
    background:rgba(15,27,51,.45);
    opacity:0;pointer-events:none;
    transition:opacity .24s ease;
    z-index:70;
  }
  .drawer-mask.show{ opacity:1;pointer-events:auto; }
  .drawer{
    position:fixed;left:0;top:0;bottom:0;
    width:280px;
    background:#fff;
    border-right:1px solid var(--line);
    padding:0 16px 22px;
    overflow-y:auto;
    transform:translateX(-100%);
    transition:transform .26s ease;
    z-index:80;
    display:flex;flex-direction:column;
  }
  .drawer.show{ transform:translateX(0); }
  .drawer .side-logo{ height:64px; }
  .drawer-close{
    position:absolute;right:10px;top:14px;
    width:34px;height:34px;border-radius:8px;
    border:1px solid var(--line);
    background:#fff;color:var(--muted);
    cursor:pointer;display:grid;place-items:center;
  }
  .drawer-close:hover{ color:var(--brand-700);border-color:var(--brand-600); }
  body.no-scroll{ overflow:hidden; }

  /* ---------- 麵包屑 ---------- */
  .top-strip{
    background:#fff;
    border-bottom:1px solid var(--line);
  }
  .top-strip .container-x{
    display:flex;align-items:center;justify-content:space-between;
    gap:16px;min-height:56px;
  }
  .crumbs{
    display:flex;align-items:center;flex-wrap:wrap;gap:8px;
    font-size:13.5px;color:var(--body);
  }
  .crumbs a{ color:var(--brand-600);font-weight:600; }
  .crumbs a:hover{ color:var(--brand-700);text-decoration:underline; }
  .crumbs .sep{ color:var(--line-strong); }
  .crumbs .current{ color:var(--muted); }
  .top-tag{
    display:none;
    align-items:center;gap:7px;
    font-size:12px;font-weight:700;letter-spacing:.06em;
    color:var(--brand-700);
    background:var(--brand-50);
    border-radius:999px;
    padding:5px 12px;
  }
  @media(min-width:768px){ .top-tag{ display:inline-flex; } }

  /* ---------- Hero ---------- */
  .hero-cat{ position:relative;overflow:hidden;padding:44px 0 52px; }
  .hero-cat::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.jpg');
    background-size:cover;background-position:center;
    opacity:.10;
  }
  .hero-cat::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(246,248,252,.62) 0%,rgba(246,248,252,.94) 62%,#F6F8FC 100%);
  }
  .hero-cat .container-x{ position:relative;z-index:2; }
  .hero-grid{
    display:grid;grid-template-columns:1fr;gap:34px;align-items:center;
  }
  @media(min-width:1024px){
    .hero-grid{ grid-template-columns:1.15fr .85fr;gap:48px; }
  }
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:800;letter-spacing:.16em;
    color:var(--accent-900);
    background:rgba(255,122,77,.12);
    border-radius:999px;
    padding:6px 14px;
    margin-bottom:16px;
  }
  .hero-h1{
    font-size:clamp(2rem,4vw,3.05rem);
    line-height:1.18;
    font-weight:900;
    letter-spacing:-.01em;
    color:var(--ink);
    margin-bottom:16px;
    text-align:left;
  }
  .hero-h1 .hl{ color:var(--brand-600); }
  .hero-lead{
    font-size:16.5px;line-height:1.9;color:var(--body);
    max-width:34em;margin-bottom:24px;
  }
  .hero-actions{ display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px; }
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 24px;
    border-radius:var(--radius-btn);
    font-size:15px;font-weight:700;
    border:1px solid transparent;
    cursor:pointer;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-primary{
    background:var(--brand-600);color:#fff;
    box-shadow:0 10px 22px -14px rgba(47,91,224,.9);
  }
  .btn-primary:hover{ background:var(--brand-700);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(30,63,168,.85); }
  .btn-ghost{
    background:#fff;color:var(--brand-600);
    border-color:var(--line-strong);
  }
  .btn-ghost:hover{ background:var(--brand-50);border-color:var(--brand-600);transform:translateY(-1px); }
  .btn i{ font-size:13px; }
  .hero-stats{
    display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
    border-top:1px solid var(--line-strong);
    padding-top:20px;
  }
  .stat-num{
    font-family:'Inter','Noto Sans TC',sans-serif;
    font-size:clamp(1.6rem,3vw,2.1rem);
    font-weight:800;color:var(--ink);line-height:1.1;
    font-variant-numeric:tabular-nums;
  }
  .stat-num span{ font-size:.55em;font-weight:700;color:var(--brand-600);margin-left:2px; }
  .stat-label{ font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.6; }

  .hero-media{ position:relative; }
  .hero-media img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    border-radius:20px;
    box-shadow:0 24px 48px -28px rgba(15,27,51,.45);
    border:1px solid rgba(255,255,255,.9);
  }
  .float-card{
    position:absolute;
    left:16px;bottom:-22px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    padding:12px 16px;
    box-shadow:var(--shadow-card);
    display:flex;align-items:center;gap:12px;
    max-width:270px;
  }
  .float-card .fc-icon{
    width:36px;height:36px;border-radius:10px;
    background:var(--brand-50);color:var(--brand-600);
    display:grid;place-items:center;font-size:15px;flex:none;
  }
  .float-card strong{ display:block;font-size:13px;color:var(--ink);font-weight:800;line-height:1.4; }
  .float-card span{ font-size:11.5px;color:var(--muted); }

  /* ---------- 子導航 ---------- */
  .subnav{
    position:sticky;top:64px;z-index:40;
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(8px);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  @media(min-width:1024px){ .subnav{ top:0; } }
  .subnav-inner{
    display:flex;gap:26px;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .subnav-inner::-webkit-scrollbar{ height:0; }
  .subnav-inner a{
    flex:none;
    padding:15px 0;
    font-size:14.5px;font-weight:600;
    color:var(--body);
    border-bottom:2px solid transparent;
    white-space:nowrap;
    transition:color .2s ease,border-color .2s ease;
  }
  .subnav-inner a:hover{ color:var(--brand-600); }
  .subnav-inner a.active{ color:var(--brand-700);border-bottom-color:var(--brand-600); }

  /* ---------- 區塊 ---------- */
  .section{ padding:60px 0; }
  @media(min-width:768px){ .section{ padding:84px 0; } }
  .section-alt{ background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line); }
  .eyebrow{
    font-size:11.5px;font-weight:800;letter-spacing:.16em;
    color:var(--accent-500);text-transform:uppercase;
    margin-bottom:10px;
  }
  .h2{
    font-size:clamp(1.55rem,2.6vw,2.15rem);
    font-weight:800;line-height:1.28;color:var(--ink);
    letter-spacing:-.005em;margin-bottom:12px;text-align:left;
  }
  .section-desc{ font-size:16px;line-height:1.85;color:var(--body);max-width:46em; }
  .section-head{ margin-bottom:36px; }
  .section-head.row{
    display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;
  }
  .text-link{
    display:inline-flex;align-items:center;gap:8px;
    font-size:14.5px;font-weight:700;color:var(--brand-600);
  }
  .text-link i{ font-size:12px;transition:transform .2s ease; }
  .text-link:hover{ color:var(--brand-700); }
  .text-link:hover i{ transform:translateX(3px); }

  /* ---------- 能力網格 ---------- */
  .cap-grid{
    display:grid;grid-template-columns:1fr;gap:18px;
  }
  @media(min-width:640px){ .cap-grid{ grid-template-columns:repeat(2,minmax(0,1fr));gap:20px; } }
  @media(min-width:1024px){ .cap-grid{ gap:24px; } }
  .cap-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:24px;
    box-shadow:var(--shadow-card);
    transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .cap-card:hover{ border-color:var(--line-strong);box-shadow:var(--shadow-hover);transform:translateY(-2px); }
  .cap-icon{
    width:46px;height:46px;border-radius:12px;
    border:1px solid var(--line-strong);
    background:#fff;color:var(--brand-600);
    display:grid;place-items:center;
    font-size:18px;margin-bottom:14px;
  }
  .cap-card h3{ font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px;line-height:1.45; }
  .cap-card p{ font-size:14.5px;line-height:1.8;color:var(--body); }
  .cap-tag{
    display:inline-block;margin-top:14px;
    font-size:11.5px;font-weight:700;letter-spacing:.06em;
    color:var(--brand-700);background:var(--brand-50);
    border-radius:999px;padding:4px 11px;
  }

  /* ---------- 規格表 ---------- */
  .spec-layout{ display:grid;grid-template-columns:1fr;gap:28px;align-items:start; }
  @media(min-width:1024px){ .spec-layout{ grid-template-columns:1.35fr .65fr;gap:36px; } }
  .spec-wrap{
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    overflow-x:auto;
    box-shadow:var(--shadow-card);
  }
  .spec-table{
    width:100%;min-width:700px;border-collapse:collapse;
    font-size:14.5px;
  }
  .spec-table thead th{
    background:var(--brand-50);
    color:var(--brand-700);
    font-weight:800;
    font-size:13.5px;letter-spacing:.04em;
    text-align:left;
    padding:15px 18px;
    border-bottom:1px solid var(--line-strong);
    white-space:nowrap;
  }
  .spec-table tbody td{
    padding:16px 18px;
    border-bottom:1px solid var(--line);
    color:var(--body);
    line-height:1.75;
    vertical-align:top;
  }
  .spec-table tbody tr:last-child td{ border-bottom:0; }
  .spec-table tbody tr:hover td{ background:#FAFCFF; }
  .spec-table td:first-child{
    font-weight:700;color:var(--ink);white-space:nowrap;
  }
  .spec-table .mono{ font-family:'Inter',sans-serif;font-size:13.5px;color:var(--ink);font-weight:600; }
  .spec-note{
    font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.8;
  }
  .spec-side{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:24px;
    box-shadow:var(--shadow-card);
  }
  .spec-side h3{ font-size:16px;font-weight:800;color:var(--ink);margin-bottom:14px; }
  .check-list li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:14.5px;line-height:1.8;color:var(--body);
    padding:9px 0;
    border-bottom:1px dashed var(--line);
  }
  .check-list li:last-child{ border-bottom:0; }
  .check-list i{ color:var(--brand-600);font-size:13px;margin-top:6px; }
  .spec-side .btn{ width:100%;margin-top:16px; }

  /* ---------- 流程 ---------- */
  .flow-grid{ display:grid;grid-template-columns:1fr;gap:16px; }
  @media(min-width:640px){ .flow-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
  @media(min-width:1024px){ .flow-grid{ grid-template-columns:repeat(4,minmax(0,1fr));gap:18px; } }
  .flow-item{
    background:#fff;
    border:1px solid var(--line);
    border-top:3px solid var(--brand-600);
    border-radius:12px;
    padding:22px 20px;
    transition:box-shadow .2s ease,transform .2s ease;
  }
  .flow-item:hover{ box-shadow:var(--shadow-hover);transform:translateY(-2px); }
  .flow-num{
    font-family:'Inter',sans-serif;
    font-size:13px;font-weight:800;letter-spacing:.1em;
    color:var(--brand-600);margin-bottom:10px;
  }
  .flow-item h3{ font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:8px; }
  .flow-item p{ font-size:14px;line-height:1.8;color:var(--body); }

  /* ---------- 圖文檢查點 ---------- */
  .split{ display:grid;grid-template-columns:1fr;gap:30px;align-items:center; }
  @media(min-width:1024px){ .split{ grid-template-columns:0.9fr 1.1fr;gap:52px; } }
  .split-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:16px;
    box-shadow:0 20px 40px -26px rgba(15,27,51,.42);
  }
  .point-list{ margin-top:8px; }
  .point-list li{
    display:flex;gap:14px;align-items:flex-start;
    padding:16px 0;border-top:1px solid var(--line);
  }
  .point-list li:first-child{ border-top:0;padding-top:0; }
  .point-dot{
    width:9px;height:9px;border-radius:50%;
    background:var(--brand-600);flex:none;margin-top:9px;
  }
  .point-list strong{ display:block;font-size:15.5px;color:var(--ink);font-weight:800;margin-bottom:4px; }
  .point-list span{ font-size:14.5px;line-height:1.8;color:var(--body); }

  /* ---------- 情境卡 ---------- */
  .scene-grid{ display:grid;grid-template-columns:1fr;gap:16px; }
  @media(min-width:768px){ .scene-grid{ grid-template-columns:repeat(3,minmax(0,1fr));gap:20px; } }
  .scene-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px;box-shadow:var(--shadow-card);
    transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .scene-card:hover{ border-color:var(--line-strong);box-shadow:var(--shadow-hover);transform:translateY(-2px); }
  .scene-card i{ font-size:18px;color:var(--accent-500);margin-bottom:12px;display:block; }
  .scene-card h3{ font-size:16px;font-weight:800;color:var(--ink);margin-bottom:8px; }
  .scene-card p{ font-size:14.5px;line-height:1.8;color:var(--body); }

  /* ---------- FAQ ---------- */
  .faq-layout{ display:grid;grid-template-columns:1fr;gap:26px; }
  @media(min-width:1024px){ .faq-layout{ grid-template-columns:.72fr 1.28fr;gap:48px; } }
  .faq-aside .btn{ margin-top:18px; }
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{ border-color:var(--line-strong); }
  .faq-item.open{ border-color:var(--brand-600);box-shadow:var(--shadow-card); }
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;
    background:none;border:0;cursor:pointer;
    text-align:left;
    font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
  }
  .faq-q .sign{
    flex:none;width:22px;height:22px;border-radius:50%;
    border:1px solid var(--line-strong);
    color:var(--brand-600);
    display:grid;place-items:center;
    font-size:12px;font-weight:700;
    transition:background .2s ease,color .2s ease,border-color .2s ease;
  }
  .faq-item.open .faq-q .sign{ background:var(--brand-600);border-color:var(--brand-600);color:#fff; }
  .faq-a{ max-height:0;overflow:hidden;transition:max-height .24s ease; }
  .faq-a-inner{
    padding:0 20px 18px;
    font-size:15px;line-height:1.9;color:var(--body);
    border-top:1px solid var(--line);
    padding-top:14px;
    margin:0 0 0;
  }

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;
    border-radius:20px;
    overflow:hidden;
    padding:44px 28px;
    margin-bottom:56px;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.jpg');
    background-size:cover;background-position:center;
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(238,243,255,.96) 0%,rgba(238,243,255,.90) 52%,rgba(246,248,252,.82) 100%);
  }
  .cta-inner{
    position:relative;z-index:2;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  }
  .cta-inner h2{
    font-size:clamp(1.4rem,2.4vw,1.9rem);
    font-weight:800;color:var(--ink);line-height:1.35;margin-bottom:8px;text-align:left;
  }
  .cta-inner p{ font-size:15px;color:var(--body);max-width:32em; }

  /* ---------- 頁腳 ---------- */
  .site-footer{
    background:var(--ink);
    color:#B9C4D6;
    padding:56px 0 26px;
    margin-top:auto;
  }
  .footer-grid{
    display:grid;grid-template-columns:1fr;gap:34px;
    padding-bottom:34px;
    border-bottom:1px solid rgba(255,255,255,.12);
  }
  @media(min-width:640px){ .footer-grid{ grid-template-columns:repeat(2,minmax(0,1fr));gap:36px; } }
  @media(min-width:1024px){ .footer-grid{ grid-template-columns:1.5fr .9fr .9fr 1.2fr;gap:40px; } }
  .footer-logo{ display:flex;align-items:center;gap:10px;margin-bottom:14px; }
  .footer-logo .logo-mark{ box-shadow:none; }
  .footer-line1{ display:block;font-size:15px;font-weight:800;color:#fff;line-height:1.2; }
  .footer-line2{ display:block;font-size:11px;font-weight:600;letter-spacing:.12em;color:#8FB0FF;line-height:1.4;margin-top:2px; }
  .footer-about{ font-size:14px;line-height:1.85;color:#B9C4D6;margin-bottom:16px;max-width:30em; }
  .footer-contact{ display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:#9FADC4; }
  .footer-contact span{ display:flex;align-items:center;gap:9px; }
  .footer-contact i{ color:#7F9BD6;font-size:12.5px;width:14px; }
  .footer-h4{ font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.04em; }
  .footer-links{ display:flex;flex-direction:column;gap:10px; }
  .footer-links a{ font-size:14px;color:#B9C4D6;transition:color .2s ease; }
  .footer-links a:hover{ color:#fff; }
  .footer-sub p{ font-size:13.5px;line-height:1.8;color:#9FADC4;margin-bottom:14px; }
  .sub-form{ display:flex;gap:8px;flex-wrap:wrap; }
  .sub-form input{
    flex:1 1 150px;min-width:0;height:44px;
    padding:0 14px;
    border-radius:10px;
    border:1px solid rgba(255,255,255,.18);
    background:rgba(255,255,255,.06);
    color:#fff;font-size:14px;
    transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .sub-form input::placeholder{ color:#93A2BB; }
  .sub-form input:focus{
    outline:none;
    border-color:#7F9BD6;
    background:rgba(255,255,255,.1);
    box-shadow:0 0 0 3px rgba(127,155,214,.22);
  }
  .sub-form button{
    height:44px;padding:0 20px;
    border-radius:10px;border:0;
    background:var(--brand-600);color:#fff;
    font-size:14px;font-weight:700;cursor:pointer;
    transition:background .2s ease,transform .2s ease;
  }
  .sub-form button:hover{ background:#3A68F0;transform:translateY(-1px); }
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
    padding-top:20px;
    font-size:12.5px;color:#8A99B3;line-height:1.8;
  }

  @media(max-width:519px){
    .hero-actions .btn{ width:100%; }
    .hero-stats{ grid-template-columns:1fr;gap:12px; }
    .float-card{ position:static;margin-top:14px;max-width:none; }
  }

/* roulang page: category4 */
:root{
  --brand-600:#2F5BE0;
  --brand-700:#1E3FA8;
  --brand-50:#EEF3FF;
  --accent-500:#FF7A4D;
  --accent-700:#C2471F;
  --ink:#0F1B33;
  --body:#43516B;
  --muted:#7A879E;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E4EAF4;
  --line-strong:#C9D6F0;
  --shadow-card:0 1px 2px rgba(16,24,40,.04), 0 10px 28px -16px rgba(16,24,40,.16);
  --shadow-hover:0 2px 4px rgba(16,24,40,.06), 0 18px 40px -18px rgba(16,24,40,.24);
  --side-w:248px;
}
body.page-body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:'Noto Sans TC','PingFang TC','Microsoft JhengHei',sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.page-body.no-scroll{overflow:hidden}
.page-body img{max-width:100%;display:block}
.page-body a{text-decoration:none}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media(min-width:768px){.container-x{padding-left:40px;padding-right:40px}}
@media(min-width:1280px){.container-x{padding-left:56px;padding-right:56px}}

/* ===== 行動頂欄 ===== */
.mobile-topbar{position:sticky;top:0;z-index:50;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px -6px rgba(16,24,40,.18)}
.mtb-brand{display:flex;align-items:center;gap:10px}
.mtb-text{display:flex;flex-direction:column;line-height:1.15}
.mtb-text .l1{font-size:14px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.mtb-text .l2{font-size:10px;font-weight:600;letter-spacing:.12em;color:var(--brand-600)}
.burger{width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:17px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}
.burger:hover{background:var(--brand-50);border-color:var(--line-strong);color:var(--brand-700)}
@media(min-width:1024px){.mobile-topbar{display:none}}

/* ===== 側欄 ===== */
.drawer-overlay{position:fixed;inset:0;background:rgba(15,27,51,.45);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:55}
.drawer-overlay.show{opacity:1;pointer-events:auto}
.side-shell{position:fixed;top:0;left:0;bottom:0;width:280px;background:#fff;border-right:1px solid var(--line);z-index:60;display:flex;flex-direction:column;padding:0 24px 24px;overflow-y:auto;transform:translateX(-100%);transition:transform .28s ease}
.side-shell.open{transform:translateX(0)}
@media(min-width:1024px){
  .side-shell{width:var(--side-w);transform:none;z-index:40}
  .drawer-overlay{display:none}
}
@media(min-width:1280px){:root{--side-w:264px}}
.logo-area{display:flex;align-items:center;gap:11px;height:72px;flex:0 0 72px;border-bottom:1px solid var(--line);margin-bottom:18px}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--brand-600);display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px;box-shadow:0 6px 14px -8px rgba(47,91,224,.9)}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-text .brand-line1{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.logo-text .brand-line2{font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--brand-600);white-space:nowrap}
.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-group-label{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--muted);margin:16px 0 6px;text-transform:uppercase}
.nav-group-label:first-child{margin-top:0}
.side-nav .nav-item{position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;border-radius:10px;color:var(--body);font-size:15px;font-weight:500;transition:background .18s ease,color .18s ease}
.side-nav .nav-item i{width:18px;text-align:center;font-size:14px;color:var(--muted);transition:color .18s ease}
.side-nav .nav-item:hover{background:#F3F6FC;color:var(--ink)}
.side-nav .nav-item:hover i{color:var(--brand-600)}
.side-nav .nav-item.active{background:var(--brand-50);color:var(--brand-700);font-weight:700}
.side-nav .nav-item.active i{color:var(--brand-600)}
.side-nav .nav-item.active::before{content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:999px;background:var(--brand-600)}
.nav-divider{height:1px;background:var(--line);margin:16px 0 4px}
.mini-card{margin-top:auto;margin-bottom:6px;background:var(--brand-50);border-radius:12px;padding:16px}
.mini-card p{font-size:13px;line-height:1.7;color:var(--body);margin:0 0 12px}
.mini-card .mini-btn{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 14px;border-radius:9px;background:var(--brand-600);color:#fff;font-size:13px;font-weight:700;transition:all .2s ease}
.mini-card .mini-btn:hover{background:var(--brand-700);transform:translateY(-1px)}

/* ===== 主內容 ===== */
.app-main{padding-top:0;min-height:100vh;display:flex;flex-direction:column}
@media(min-width:1024px){.app-main{margin-left:var(--side-w)}}
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb-inner{display:flex;align-items:center;gap:8px;height:56px;font-size:14px;color:var(--body);overflow-x:auto;white-space:nowrap}
.crumb-inner a{color:var(--body);transition:color .18s ease}
.crumb-inner a:hover{color:var(--brand-600)}
.crumb-sep{color:var(--line-strong)}
.crumb-now{color:var(--muted)}

/* Hero */
.hero-wrap{position:relative;background:linear-gradient(180deg,#FFFFFF 0%,#F6F8FC 100%);border-bottom:1px solid var(--line);padding:48px 0 56px;overflow:hidden}
.hero-wrap::after{content:"";position:absolute;top:-90px;right:-80px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(47,91,224,.10) 0%,rgba(47,91,224,0) 68%);pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--accent-700);text-transform:uppercase;margin-bottom:16px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent-500)}
.hero-title{font-size:clamp(2rem,4vw,3rem);line-height:1.2;font-weight:900;letter-spacing:-.01em;color:var(--ink);margin:0 0 18px}
.hero-title em{font-style:normal;color:var(--brand-600)}
.hero-lead{font-size:16.5px;line-height:1.9;color:var(--body);margin:0 0 26px;max-width:38em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-figure{position:relative}
.hero-img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.float-card{position:absolute;left:-10px;bottom:-18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-card);display:flex;align-items:center;gap:14px}
@media(min-width:768px){.float-card{left:-24px}}
.float-num{font-family:'Inter',sans-serif;font-size:26px;font-weight:800;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1}
.float-label{font-size:12px;color:var(--muted);line-height:1.5}

/* 按鈕 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:10px;font-family:inherit;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:all .2s ease-out}
.btn i{font-size:13px;transition:transform .2s ease}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 8px 20px -14px rgba(47,91,224,.9)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(47,91,224,.85)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--brand-600)}
.btn-ghost:hover{border-color:var(--brand-600);background:var(--brand-50);transform:translateY(-1px)}
.btn:hover i.fa-arrow-right{transform:translateX(3px)}
.btn:focus-visible{outline:2px solid rgba(47,91,224,.4);outline-offset:2px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-600);transition:color .18s ease}
.link-arrow i{font-size:12px;transition:transform .2s ease}
.link-arrow:hover{color:var(--brand-700)}
.link-arrow:hover i{transform:translateX(3px)}

/* 錨點子導航 */
.anchor-nav{position:sticky;top:0;z-index:35;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
@media(max-width:1023px){.anchor-nav{top:64px}}
.anchor-inner{display:flex;align-items:center;gap:28px;height:56px;overflow-x:auto;white-space:nowrap}
.anchor-inner::-webkit-scrollbar{height:0}
.anchor-link{position:relative;display:inline-flex;align-items:center;height:56px;font-size:14.5px;font-weight:700;color:var(--muted);transition:color .18s ease}
.anchor-link:hover{color:var(--brand-600)}
.anchor-link.is-current{color:var(--brand-700)}
.anchor-link.is-current::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand-600)}

/* 區塊 */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:32px;max-width:760px}
.section-title{font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.3;font-weight:800;color:var(--ink);margin:8px 0 10px}
.section-sub{font-size:15.5px;color:var(--body);margin:0;max-width:44em}
.section-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}

/* 數據指標條 */
.stat-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:32px}
@media(min-width:900px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.stat-item{background:#fff;padding:26px 22px}
.stat-num{font-family:'Inter',sans-serif;font-size:clamp(2rem,3.4vw,3rem);font-weight:800;line-height:1;color:var(--brand-600);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-num span{font-size:14px;font-weight:700;color:var(--muted);margin-left:4px;letter-spacing:0}
.stat-label{font-size:13.5px;color:var(--body);margin-top:10px;line-height:1.6}

/* 平台對比表 */
.table-shell{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow-card)}
.table-scroll{overflow-x:auto}
.spec-table{width:100%;min-width:820px;border-collapse:collapse}
.spec-table th{background:var(--brand-50);color:var(--ink);font-size:13.5px;font-weight:700;text-align:left;padding:14px 18px;border-bottom:1px solid var(--line-strong);white-space:nowrap;letter-spacing:.02em}
.spec-table td{padding:16px 18px;font-size:14.5px;line-height:1.75;color:var(--body);border-bottom:1px solid var(--line);vertical-align:top}
.spec-table tbody tr:last-child td{border-bottom:none}
.spec-table tbody tr:hover td{background:#FAFCFF}
.spec-table td:first-child{color:var(--ink);font-weight:700}
.table-note{display:flex;align-items:flex-start;gap:10px;margin-top:16px;padding:14px 18px;border-radius:12px;background:var(--brand-50);font-size:13.5px;line-height:1.7;color:var(--body)}
.table-note i{color:var(--brand-600);margin-top:4px}

/* 授權方案卡 */
.license-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:8px}
@media(min-width:900px){.license-grid{grid-template-columns:1fr 1fr;gap:28px}}
.license-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:all .2s ease-out}
.license-card:hover{box-shadow:var(--shadow-hover);border-color:var(--line-strong);transform:translateY(-2px)}
.license-card.featured{border-color:var(--brand-600);box-shadow:0 0 0 1px var(--brand-600),var(--shadow-card)}
.license-tag{position:absolute;top:-13px;left:28px;display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:999px;background:var(--accent-500);color:#fff;font-size:12px;font-weight:800;letter-spacing:.06em}
.license-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.license-icon{width:40px;height:40px;border-radius:11px;background:var(--brand-50);color:var(--brand-600);display:inline-flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 40px}
.license-name{font-size:1.2rem;font-weight:800;color:var(--ink);line-height:1.35;margin:0}
.license-desc{font-size:14.5px;color:var(--body);margin:6px 0 20px;line-height:1.8}
.license-list{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-direction:column;gap:12px}
.license-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;line-height:1.75;color:var(--body)}
.license-list li i{color:var(--brand-600);font-size:13px;margin-top:5px;flex:0 0 13px}
.license-card .btn{margin-top:auto;width:100%}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1024px){.faq-layout{grid-template-columns:4fr 6fr;gap:56px;align-items:start}}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:var(--shadow-card)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px;background:none;border:0;font-family:inherit;font-size:16px;font-weight:700;color:var(--ink);text-align:left;line-height:1.6;cursor:pointer;transition:color .18s ease}
.faq-q:hover{color:var(--brand-700)}
.faq-q:focus-visible{outline:2px solid rgba(47,91,224,.4);outline-offset:-2px}
.faq-icon{flex:0 0 20px;color:var(--brand-600);font-size:15px;transition:transform .22s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--body);border-top:1px solid var(--line);padding-top:16px;margin-top:0}

/* CTA 橫幅 */
.cta-band{position:relative;border-radius:20px;overflow:hidden;background-image:linear-gradient(rgba(255,255,255,.82),rgba(238,243,255,.9)),url('/assets/images/backpic/back-3.jpg');background-size:cover;background-position:center;border:1px solid var(--line-strong);padding:40px 28px}
@media(min-width:768px){.cta-band{padding:48px 48px}}
.cta-inner{display:flex;flex-direction:column;gap:24px;align-items:flex-start}
@media(min-width:900px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.cta-title{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:800;color:var(--ink);line-height:1.35;margin:0 0 10px}
.cta-text{font-size:15px;color:var(--body);margin:0;max-width:36em}

/* 頁腳 */
.site-footer{background:var(--ink);color:#B9C4D6;padding:56px 0 28px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1100px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}}
.footer-logo{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-logo .logo-mark{background:var(--brand-600);box-shadow:none}
.footer-line1{font-size:15px;font-weight:800;color:#fff;letter-spacing:.01em}
.footer-line2{font-size:11px;font-weight:600;letter-spacing:.12em;color:#8FA6E8}
.footer-about{font-size:14px;line-height:1.85;color:#B9C4D6;margin:0 0 18px;max-width:34em}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:#9AA9C4}
.footer-contact span{display:inline-flex;align-items:center;gap:9px}
.footer-contact i{color:#6E86B8;font-size:13px;width:14px}
.footer-h4{font-size:13px;font-weight:800;letter-spacing:.14em;color:#fff;margin:0 0 16px;text-transform:uppercase}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#B9C4D6;transition:color .18s ease,transform .18s ease}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-sub p{font-size:13.5px;line-height:1.8;color:#9AA9C4;margin:0 0 14px}
.sub-form{display:flex;gap:8px;flex-wrap:wrap}
.sub-form label.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.sub-form input{flex:1 1 150px;height:44px;padding:0 14px;border-radius:10px;border:1px solid #2A3B5C;background:#16233D;color:#fff;font-family:inherit;font-size:14px;transition:border-color .18s ease,box-shadow .18s ease}
.sub-form input::placeholder{color:#7A8AA8}
.sub-form input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(47,91,224,.28)}
.sub-form button{height:44px;padding:0 18px;border-radius:10px;border:0;background:var(--brand-600);color:#fff;font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;transition:background .18s ease,transform .18s ease}
.sub-form button:hover{background:var(--brand-700);transform:translateY(-1px)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;margin-top:40px;padding-top:22px;border-top:1px solid #22304C;font-size:12.5px;color:#8291AC;line-height:1.8}
@media(max-width:520px){
  .hero-actions .btn{width:100%}
  .float-card{position:static;margin-top:16px;width:100%}
  .stat-item{padding:20px 16px}
}