/* roulang page: index */
:root{
  --bg:#070B14;
  --bg-alt:#0B1120;
  --primary:#4E6BFF;
  --primary-dark:#2B3FD6;
  --primary-light:#7C93FF;
  --accent:#22D3EE;
  --hot:#F0509B;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --line:#1B2438;
  --line-soft:rgba(255,255,255,.10);
  --text:#F2F5FF;
  --body:#A9B4CC;
  --muted:#6C7A96;
  --ok:#34D399;
  --err:#FB7185;
  --radius-card:20px;
  --radius-img:16px;
  --radius-btn:12px;
  --shadow-card:0 20px 48px -24px rgba(0,0,0,.85);
  --shadow-card-hover:0 28px 64px -20px rgba(0,0,0,.92);
  --space-section:104px;
}
*,*::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','Helvetica Neue',Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent);text-decoration:none;transition:color .22s ease-out,border-color .22s ease-out}
a:hover{color:#fff}
h1,h2,h3,h4,h5{color:var(--text);margin:0 0 16px;line-height:1.22;font-weight:800}
h1{font-size:clamp(32px,4.2vw,60px);font-weight:900;line-height:1.12;letter-spacing:-.02em}
h2{font-size:clamp(26px,3vw,40px);font-weight:800;letter-spacing:-.01em}
h3{font-size:24px;font-weight:700;line-height:1.35}
h4{font-size:19px;font-weight:700;line-height:1.4}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:1.2em}
li{margin-bottom:8px}
.num{font-family:'Space Grotesk',sans-serif;letter-spacing:-.01em;padding:0 1px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(78,107,255,.4);color:#fff}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
@media (min-width:1400px){.container-x{max-width:1320px}}
@media (max-width:767px){.container-x{padding:0 20px}}

.section{padding:var(--space-section) 0;position:relative}
.section-alt{background:var(--bg-alt)}
@media (max-width:991px){:root{--space-section:76px}}
@media (max-width:767px){:root{--space-section:56px}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:700;margin-bottom:18px;
  font-family:'Space Grotesk',sans-serif;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.7}
.section-head{max-width:760px;margin-bottom:48px}
.section-head p{font-size:17px;color:var(--body);margin:0}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(7,11,20,.55);
  border-bottom:1px solid transparent;
  transition:background .24s ease-out,border-color .24s ease-out,backdrop-filter .24s ease-out;
  backdrop-filter:blur(0px);
}
.site-header.is-stuck{
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text);font-weight:800;font-size:17.5px;white-space:nowrap;letter-spacing:.01em}
.brand:hover{color:#fff}
.brand-mark{
  width:26px;height:26px;flex:0 0 26px;transform:rotate(45deg);border-radius:7px;
  background:linear-gradient(135deg,var(--primary),var(--hot));
  box-shadow:0 0 18px rgba(78,107,255,.7),inset 0 0 8px rgba(255,255,255,.55);
  position:relative;
}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:3px;background:rgba(7,11,20,.85)}
.brand em{font-style:normal;background:linear-gradient(100deg,var(--primary-light),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-chips{
  display:flex;align-items:center;gap:2px;
  padding:5px;
  background:var(--glass);
  border:1px solid var(--line-soft);
  border-radius:999px;
  backdrop-filter:blur(18px) saturate(140%);
}
.nav-chips a{
  display:inline-block;padding:8px 16px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--body);white-space:nowrap;
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-chips a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-chips a.active{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  box-shadow:0 6px 20px -8px rgba(78,107,255,.9);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:18px}
.nav-actions .link-quiet{font-size:14.5px;color:var(--body);font-weight:500}
.nav-actions .link-quiet:hover{color:var(--accent)}
.btn-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-soft);background:var(--glass);color:var(--text);
  align-items:center;justify-content:center;font-size:17px;
}
.btn-burger:hover{border-color:var(--accent);color:#fff}
@media (max-width:1199px){
  .nav-chips a{padding:8px 12px;font-size:14px}
  .nav-actions .link-quiet{display:none}
}
@media (max-width:991px){
  .nav-chips,.nav-actions .btn-glow{display:none}
  .btn-burger{display:inline-flex}
  .nav-wrap{height:68px;gap:14px}
  .brand{font-size:16px}
}
.offcanvas.side-menu{
  background:var(--bg-alt);color:var(--body);
  border-left:1px solid var(--line);width:min(360px,86vw);
}
.side-menu .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px}
.side-menu .offcanvas-title{font-size:16px;color:var(--text);font-weight:800}
.side-menu .btn-close{filter:invert(1) grayscale(1) brightness(1.6)}
.side-menu .menu-list{list-style:none;margin:0;padding:22px;display:flex;flex-direction:column;gap:8px}
.side-menu .menu-list a{
  display:block;padding:14px 16px;border-radius:12px;color:var(--body);
  border:1px solid var(--line-soft);background:var(--glass);font-weight:500;
}
.side-menu .menu-list a:hover,.side-menu .menu-list a.active{
  color:#fff;border-color:rgba(34,211,238,.45);background:rgba(78,107,255,.16);
}
.side-menu .side-cta{padding:0 22px 26px;display:flex;flex-direction:column;gap:12px}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:var(--radius-btn);padding:13px 26px;
  font-size:15.5px;font-weight:600;font-family:inherit;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out,background .22s ease-out,color .22s ease-out;
}
.btn-glow{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  box-shadow:0 0 0 1px rgba(124,147,255,.5),0 10px 30px -8px rgba(78,107,255,.7);
}
.btn-glow:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(124,147,255,.75),0 16px 40px -8px rgba(78,107,255,.85)}
.btn-glow:active{transform:translateY(0) scale(.985)}
.btn-ghost{
  background:var(--glass);border-color:rgba(255,255,255,.16);color:var(--text);
}
.btn-ghost:hover{color:#fff;border-color:var(--accent);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
@media (max-width:575px){.btn{width:100%}.btn-inline-auto{width:auto}}

/* ============ Hero ============ */
.hero{position:relative;padding:88px 0 96px;overflow:hidden;min-height:620px;display:flex;align-items:center}
.hero::before{
  content:"";position:absolute;inset:-10% -10% auto -10%;height:780px;
  background:
    radial-gradient(520px 420px at 18% 12%,rgba(78,107,255,.16),transparent 70%),
    radial-gradient(480px 380px at 82% 30%,rgba(240,80,155,.12),transparent 72%),
    radial-gradient(420px 320px at 60% 90%,rgba(34,211,238,.09),transparent 70%);
  pointer-events:none;
}
.hero .container-x{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center}
@media (max-width:991px){
  .hero{padding:64px 0 72px;min-height:0}
  .hero-grid{grid-template-columns:1fr;gap:40px}
}
.hero h1{margin-bottom:22px}
.hero h1 span{
  background:linear-gradient(100deg,var(--primary-light),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:18px;line-height:1.85;color:var(--body);max-width:600px;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;border-top:1px solid var(--line);padding-top:26px}
.hero-stats .stat-num{font-family:'Space Grotesk',sans-serif;font-size:34px;font-weight:700;color:var(--accent);line-height:1.15;letter-spacing:-.01em}
.hero-stats .stat-num small{font-size:15px;color:var(--primary-light);margin-left:2px}
.hero-stats .stat-label{font-size:13.5px;color:var(--muted);line-height:1.6;margin-top:4px}
@media (max-width:767px){
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .hero-stats .stat-num{font-size:28px}
}
.hero-visual{position:relative}
.hero-glass{
  position:relative;border-radius:24px;overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card),0 0 60px -30px rgba(78,107,255,.9);
  backdrop-filter:blur(18px) saturate(140%);
}
.hero-glass::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.05) 0%,rgba(7,11,20,.55) 62%,rgba(7,11,20,.9) 100%);
  pointer-events:none;
}
.hero-glass img{width:100%;height:520px;object-fit:cover;transition:transform .6s ease-out}
.hero-glass:hover img{transform:scale(1.03)}
.hero-glass .glass-caption{position:absolute;left:22px;right:22px;bottom:20px;z-index:2}
.hero-glass .glass-caption strong{display:block;color:#fff;font-size:16.5px;font-weight:700;margin-bottom:4px}
.hero-glass .glass-caption span{font-size:13.5px;color:#C6D0E6}
@media (max-width:991px){.hero-glass img{height:380px}}
@media (max-width:575px){.hero-glass img{height:300px}}
.float-badge{
  position:absolute;z-index:3;display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;font-size:13px;font-weight:600;color:var(--text);
  background:rgba(11,17,32,.86);border:1px solid rgba(34,211,238,.4);
  box-shadow:0 16px 34px -18px rgba(0,0,0,.95);
  backdrop-filter:blur(10px);
}
.float-badge i{color:var(--accent);font-size:12px}
.float-badge.b1{top:22px;left:-14px}
.float-badge.b2{bottom:96px;right:-10px;border-color:rgba(240,80,155,.45)}
.float-badge.b2 i{color:var(--hot)}
@media (max-width:575px){.float-badge.b1{left:8px;top:14px}.float-badge.b2{right:8px;bottom:88px;font-size:12px;padding:7px 12px}}

/* ============ Stepper / numbered ladder ============ */
.ladder{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start}
.ladder-intro{position:sticky;top:104px}
.ladder-list{border-top:1px solid var(--line)}
.ladder-item{display:grid;grid-template-columns:72px 1fr;gap:20px;padding:30px 0;border-bottom:1px solid var(--line);transition:background .22s ease-out}
.ladder-item:hover{background:linear-gradient(90deg,rgba(78,107,255,.07),transparent 70%)}
.ladder-item .idx{font-family:'Space Grotesk',sans-serif;font-size:44px;font-weight:700;color:rgba(78,107,255,.42);line-height:1}
.ladder-item h3{margin-bottom:8px}
.ladder-item p{margin:0;font-size:16px;color:var(--body)}
@media (max-width:991px){
  .ladder{grid-template-columns:1fr;gap:32px}
  .ladder-intro{position:static}
  .ladder-item{grid-template-columns:56px 1fr;gap:16px;padding:24px 0}
  .ladder-item .idx{font-size:34px}
}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento-card{
  position:relative;border-radius:var(--radius-card);padding:30px;
  background:var(--glass);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);backdrop-filter:blur(18px) saturate(140%);
  overflow:hidden;
  transition:transform .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.bento-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:rgba(255,255,255,.18)}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);box-shadow:var(--shadow-card-hover)}
.bento-card .icon-box{
  width:52px;height:52px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:22px;margin-bottom:20px;
  background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.3);
}
.bento-card p{font-size:15.5px;color:var(--body);margin-bottom:16px}
.bento-card .micro-link{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.bento-card .micro-link:hover{color:#fff;gap:10px}
.bento-card.wide{grid-column:span 7}
.bento-card.narrow{grid-column:span 5}
.bento-card.with-img{padding:0;display:flex;flex-direction:column}
.bento-card.with-img img{width:100%;height:200px;object-fit:cover}
.bento-card.with-img .bento-body{padding:26px 30px 30px}
@media (max-width:991px){
  .bento-card.wide,.bento-card.narrow{grid-column:span 12}
}

/* ============ Scenes ============ */
.scene-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.scene-tab{
  padding:10px 20px;border-radius:999px;font-size:14.5px;font-weight:500;
  background:var(--glass);border:1px solid var(--line-soft);color:var(--body);
  cursor:pointer;transition:all .22s ease-out;font-family:inherit;
}
.scene-tab:hover{color:#fff;border-color:rgba(34,211,238,.4)}
.scene-tab.active{
  color:#fff;background:linear-gradient(135deg,rgba(78,107,255,.9),rgba(124,147,255,.8));
  border-color:transparent;box-shadow:0 8px 24px -10px rgba(78,107,255,.9);
}
.scene-panel{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;
  border-radius:var(--radius-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);backdrop-filter:blur(18px) saturate(140%);
}
.scene-copy{padding:42px}
.scene-copy h3{margin-bottom:14px}
.scene-copy p{font-size:16px}
.scene-points{list-style:none;padding:0;margin:24px 0 0}
.scene-points li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--body)}
.scene-points li:last-child{border-bottom:0}
.scene-points .pt-idx{
  font-family:'Space Grotesk',sans-serif;font-size:13px;font-weight:700;color:var(--accent);
  flex:0 0 26px;height:26px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid rgba(34,211,238,.4);background:rgba(34,211,238,.08);
}
.scene-media{position:relative;min-height:340px}
.scene-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,11,20,.7),rgba(7,11,20,.15) 45%,transparent)}
@media (max-width:991px){
  .scene-panel{grid-template-columns:1fr}
  .scene-copy{padding:30px 24px}
  .scene-media{min-height:240px;order:-1}
  .scene-media::after{background:linear-gradient(180deg,transparent,rgba(7,11,20,.85))}
}

/* ============ Cases ============ */
.case-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px}
.case-main{
  border-radius:var(--radius-card);overflow:hidden;position:relative;
  background:var(--glass);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);transition:box-shadow .24s ease-out;
}
.case-main:hover{box-shadow:var(--shadow-card-hover)}
.case-main img{width:100%;height:280px;object-fit:cover}
.case-main .case-body{padding:30px}
.case-main h3{margin-bottom:10px}
.case-main p{font-size:15.5px;margin-bottom:24px}
.case-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;border-top:1px solid var(--line);padding-top:22px}
.case-metrics .m-num{font-family:'Space Grotesk',sans-serif;font-size:36px;font-weight:700;color:var(--accent);line-height:1.1;letter-spacing:-.01em}
.case-metrics .m-num small{font-size:16px}
.case-metrics .m-label{font-size:13px;color:var(--muted);line-height:1.6;margin-top:6px}
.case-side{display:flex;flex-direction:column;gap:24px}
.quote-card{
  flex:1;border-radius:var(--radius-card);padding:30px;
  background:linear-gradient(160deg,rgba(78,107,255,.13),rgba(255,255,255,.03));
  border:1px solid var(--line-soft);box-shadow:var(--shadow-card);
}
.quote-card .q-mark{font-size:34px;color:var(--primary-light);line-height:1;margin-bottom:14px}
.quote-card blockquote{margin:0 0 20px;font-size:16px;color:#D7DEEC;line-height:1.9}
.quote-card .q-name{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:10px}
.quote-card .q-name::before{content:"";width:26px;height:1px;background:var(--accent)}
@media (max-width:991px){
  .case-grid{grid-template-columns:1fr}
  .case-metrics .m-num{font-size:30px}
}

/* ============ CMS posts ============ */
.posts-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.posts-head h2{margin-bottom:6px}
.posts-head .sub{font-size:15.5px;color:var(--muted);margin:0}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:991px){.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:767px){.post-grid{grid-template-columns:1fr}}
.post-card{
  display:flex;flex-direction:column;height:100%;
  border-radius:var(--radius-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
  transition:transform .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);box-shadow:var(--shadow-card-hover)}
.post-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--bg-alt)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:24px 24px 22px;display:flex;flex-direction:column;flex:1}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.05em;
  padding:5px 12px;border-radius:999px;
  color:var(--accent);background:rgba(34,211,238,.09);
  border:1px solid rgba(34,211,238,.32);
  margin-bottom:14px;align-self:flex-start;
}
.post-body h3{font-size:18.5px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-body h3{color:var(--primary-light)}
.post-excerpt{font-size:14.5px;color:var(--body);margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.75}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:16px;font-size:13px;color:var(--muted)}
.post-meta .arrow{color:var(--accent);transition:transform .22s ease-out}
.post-card:hover .post-meta .arrow{transform:translateX(4px)}
.empty-state{
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;background:rgba(255,255,255,.02);
}
.empty-state i{font-size:26px;color:var(--muted);margin-bottom:14px;display:block}
.empty-state p{color:var(--muted);margin:0 0 18px}

/* ============ Pricing ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.price-card{
  display:flex;flex-direction:column;position:relative;
  border-radius:var(--radius-card);padding:32px 28px;
  background:var(--glass);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
  transition:transform .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.price-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.3);box-shadow:var(--shadow-card-hover)}
.price-card.featured{
  transform:translateY(-24px);
  border:1px solid transparent;
  background:
    linear-gradient(var(--bg-alt),var(--bg-alt)) padding-box,
    linear-gradient(160deg,rgba(78,107,255,.85),rgba(240,80,155,.45)) border-box;
  box-shadow:0 28px 64px -24px rgba(78,107,255,.55);
}
.price-card.featured:hover{transform:translateY(-28px)}
.price-tag{
  position:absolute;top:-13px;right:24px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:5px 14px;border-radius:999px;color:#fff;
  background:linear-gradient(135deg,var(--hot),#B93B85);
  box-shadow:0 8px 22px -10px rgba(240,80,155,.9);
}
.price-card h3{font-size:20px;margin-bottom:6px}
.price-card .plan-desc{font-size:14px;color:var(--muted);margin-bottom:22px;min-height:44px}
.price-num{font-family:'Space Grotesk',sans-serif;font-size:48px;font-weight:700;color:var(--text);line-height:1;letter-spacing:-.02em}
.price-num span{font-size:15px;font-weight:500;color:var(--muted);margin-left:6px;letter-spacing:0}
.price-list{list-style:none;margin:26px 0 28px;padding:0;flex:1}
.price-list li{display:flex;gap:10px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--body)}
.price-list li:last-child{border-bottom:0}
.price-list i{color:var(--accent);font-size:13px;margin-top:6px}
@media (max-width:991px){
  .price-grid{grid-template-columns:1fr;gap:20px}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-4px)}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion.faq .accordion-item{
  background:var(--glass);border:1px solid var(--line-soft);border-radius:16px;
  margin-bottom:12px;overflow:hidden;transition:border-color .22s ease-out,background .22s ease-out;
  backdrop-filter:blur(14px) saturate(140%);
}
.accordion.faq .accordion-item:hover{border-color:rgba(34,211,238,.3)}
.accordion.faq .accordion-button{
  background:transparent;color:var(--text);font-size:18px;font-weight:700;
  padding:22px 26px;box-shadow:none;line-height:1.5;border-radius:16px;
}
.accordion.faq .accordion-button:not(.collapsed){
  color:var(--text);background:rgba(78,107,255,.08);
  box-shadow:inset 3px 0 0 0 var(--primary);
}
.accordion.faq .accordion-button::after{
  content:"\2b";font-family:'Space Grotesk',sans-serif;font-size:20px;line-height:1;
  background-image:none;transform:none;color:var(--accent);
  width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  transition:transform .24s ease-out;
}
.accordion.faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--primary-light)}
.accordion.faq .accordion-button:focus{box-shadow:inset 3px 0 0 0 var(--primary);outline:none}
.accordion.faq .accordion-body{padding:4px 26px 24px;font-size:15.5px;color:var(--body);line-height:1.9}
@media (max-width:575px){
  .accordion.faq .accordion-button{font-size:16px;padding:18px 20px}
  .accordion.faq .accordion-body{padding:2px 20px 20px}
}

/* ============ CTA banner ============ */
.cta-banner{
  position:relative;overflow:hidden;border-radius:28px;
  padding:64px 56px;
  background:
    radial-gradient(600px 320px at 12% 20%,rgba(78,107,255,.22),transparent 70%),
    radial-gradient(520px 300px at 88% 80%,rgba(240,80,155,.16),transparent 72%),
    var(--bg-alt);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
}
.cta-banner .bg-img{position:absolute;inset:0;opacity:.16}
.cta-banner .bg-img img{width:100%;height:100%;object-fit:cover}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:36px;align-items:center}
.cta-inner h2{margin-bottom:12px}
.cta-inner p{margin:0;color:var(--body);font-size:16.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:991px){
  .cta-banner{padding:44px 26px}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{justify-content:flex-start}
}

/* ============ Footer ============ */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:72px 0 0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:420px;
  background:radial-gradient(520px 300px at 25% 60%,rgba(78,107,255,.12),transparent 70%),radial-gradient(420px 260px at 80% 40%,rgba(240,80,155,.09),transparent 72%);
  pointer-events:none;
}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2.4fr) minmax(0,2.4fr) minmax(0,3.2fr);gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14.5px;color:var(--muted);line-height:1.85;max-width:320px}
.footer-col h4{font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:18px;font-family:'Space Grotesk',sans-serif}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px;color:var(--body)}
.footer-col a:hover{color:var(--accent)}
.sub-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.sub-form .input-row{display:flex;gap:10px;flex-wrap:wrap}
.form-input{
  height:48px;width:100%;border-radius:12px;padding:0 16px;
  background:var(--glass);border:1px solid var(--line-soft);color:var(--text);
  font-size:15px;font-family:inherit;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.form-input::placeholder{color:#5C6884}
.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,211,238,.18);background:rgba(255,255,255,.07)}
.sub-form .btn{margin-top:12px}
.footer-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.footer-bottom{
  position:relative;z-index:2;margin-top:56px;border-top:1px solid var(--line);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--accent)}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row span{
  width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line-soft);color:var(--body);font-size:14px;
  transition:all .22s ease-out;
}
.social-row span:hover{color:var(--accent);border-color:rgba(34,211,238,.4);transform:translateY(-2px)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .site-footer{padding-top:56px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}

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

/* roulang page: article */
:root{
  --bg:#070B14;
  --bg-alt:#0B1120;
  --primary:#4E6BFF;
  --primary-deep:#2B3FD6;
  --primary-light:#7C93FF;
  --accent:#22D3EE;
  --hot:#F0509B;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --hair:#1B2438;
  --text:#F2F5FF;
  --muted:#A9B4CC;
  --dim:#6C7A96;
  --success:#34D399;
  --error:#FB7185;
  --r-card:20px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 20px 48px -24px rgba(0,0,0,.85);
  --shadow-hover:0 28px 64px -20px rgba(0,0,0,.92);
  --wrap:1240px;
  --pad:32px;
  --sec:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--muted);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease-out}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}
.mono{font-family:"Space Grotesk","Noto Sans TC",sans-serif;letter-spacing:-.01em}
.container-x{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:var(--pad);
  padding-right:var(--pad);
}
@media (min-width:1400px){
  :root{--wrap:1320px}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--hair);
  transition:background .24s ease-out,border-color .24s ease-out;
}
.site-header.is-stuck{background:rgba(7,11,20,.9);border-bottom-color:rgba(34,211,238,.18)}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:17px;
  font-weight:800;
  color:var(--text);
  white-space:nowrap;
  flex:0 0 auto;
}
.brand-mark{
  width:13px;
  height:13px;
  flex:0 0 auto;
  transform:rotate(45deg);
  border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 18px rgba(78,107,255,.8),0 0 0 1px rgba(255,255,255,.22);
}
.brand em{
  font-style:normal;
  background:linear-gradient(120deg,var(--primary-light),var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:4px;
  padding:5px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  margin-left:auto;
  margin-right:auto;
}
.nav-chips a{
  display:inline-block;
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
  transition:color .22s ease-out,background .22s ease-out;
}
.nav-chips a:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav-chips a.active{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  box-shadow:0 6px 20px -8px rgba(78,107,255,.9);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  margin-left:auto;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
  transition:border-color .22s ease-out,color .22s ease-out;
}
.nav-toggle:hover{border-color:rgba(34,211,238,.5);color:var(--accent)}
.mobile-menu{
  display:none;
  flex-direction:column;
  gap:6px;
  padding:10px var(--pad) 24px;
  border-top:1px solid var(--hair);
  background:rgba(11,17,32,.98);
}
.mobile-menu.open{display:flex}
.mobile-menu a{
  padding:13px 16px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  border:1px solid transparent;
}
.mobile-menu a:hover,
.mobile-menu a.active{color:#fff;background:var(--glass);border-color:var(--line)}
.mobile-menu .btn{margin-top:10px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  text-decoration:none;
  transition:transform .22s ease-out,box-shadow .22s ease-out,background .22s ease-out,border-color .22s ease-out,color .22s ease-out;
}
.btn-glow{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  box-shadow:0 0 0 1px rgba(124,147,255,.5),0 10px 30px -8px rgba(78,107,255,.7);
}
.btn-glow:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(124,147,255,.62),0 18px 40px -8px rgba(78,107,255,.85);
}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(124,147,255,.5),0 6px 16px -8px rgba(78,107,255,.6)}
.btn-ghost{
  color:var(--text);
  background:var(--glass);
  border-color:rgba(255,255,255,.16);
}
.btn-ghost:hover{color:#fff;border-color:rgba(34,211,238,.55);transform:translateY(-2px)}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- Chips ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(34,211,238,.35);
  background:rgba(34,211,238,.07);
  color:var(--accent);
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  line-height:1.6;
}

/* ---------- Breadcrumbs ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-top:26px;
  font-size:13px;
  color:var(--dim);
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.45}
.crumbs .now{color:var(--dim)}

/* ---------- Article head ---------- */
.article-head{
  position:relative;
  overflow:hidden;
  padding:20px 0 44px;
}
.article-head::before{
  content:"";
  position:absolute;
  inset:-220px -12% auto -12%;
  height:600px;
  pointer-events:none;
  background:
    radial-gradient(620px 320px at 20% 22%,rgba(78,107,255,.12),transparent 70%),
    radial-gradient(540px 300px at 80% 6%,rgba(240,80,155,.10),transparent 72%);
}
.article-head .container-x{position:relative;z-index:1}
.article-head h1{
  font-size:46px;
  line-height:1.18;
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--text);
  margin-top:18px;
  max-width:920px;
}
.post-lead{
  margin-top:20px;
  max-width:780px;
  font-size:17px;
  line-height:1.85;
  color:var(--muted);
}
.post-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  margin-top:26px;
  font-size:14px;
  color:var(--dim);
}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#2A3550}
.post-meta .mono{color:var(--muted);font-family:"Space Grotesk","Noto Sans TC",sans-serif}
.post-meta .byline{display:inline-flex;align-items:center;gap:8px;color:var(--muted)}
.post-meta .byline i{color:var(--accent);font-size:13px}

/* ---------- Cover ---------- */
.post-cover{
  position:relative;
  aspect-ratio:16 / 9;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-alt);
  box-shadow:var(--shadow-card);
}
.post-cover img{width:100%;height:100%;object-fit:cover}
.post-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,0) 45%,rgba(7,11,20,.6) 100%);
  pointer-events:none;
}

/* ---------- Article layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:52px;
  align-items:start;
  padding:48px 0 var(--sec);
}
.article-main{max-width:840px;min-width:0}

/* ---------- Article body ---------- */
.article-body{
  font-size:17.5px;
  line-height:1.95;
  color:var(--muted);
  word-break:break-word;
}
.article-body > * + *{margin-top:22px}
.article-body p{color:var(--muted)}
.article-body h2{
  font-size:30px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
  margin-top:48px;
}
.article-body h3{
  font-size:22px;
  line-height:1.4;
  font-weight:700;
  color:var(--text);
  margin-top:32px;
}
.article-body h4{
  font-size:18px;
  line-height:1.45;
  font-weight:700;
  color:var(--text);
  margin-top:26px;
}
.article-body ul,.article-body ol{padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-top:9px;color:var(--muted)}
.article-body ul li::marker{color:var(--accent)}
.article-body ol li::marker{color:var(--accent);font-family:"Space Grotesk",sans-serif;font-weight:600}
.article-body blockquote{
  margin:32px 0;
  padding:22px 26px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-img) var(--r-img) 0;
  background:var(--glass);
  color:var(--text);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.article-body blockquote p{color:var(--text)}
.article-body img{border-radius:var(--r-img);margin-top:8px}
.article-body figure{margin:32px 0}
.article-body figcaption{
  margin-top:10px;
  font-size:13px;
  line-height:1.7;
  color:var(--dim);
}
.article-body a{
  color:var(--accent);
  border-bottom:1px solid rgba(34,211,238,.35);
}
.article-body a:hover{color:#fff;border-bottom-color:#fff}
.article-body strong{color:var(--text);font-weight:700}
.article-body hr{
  border:0;
  border-top:1px solid var(--hair);
  margin:40px 0;
}
.article-body table{width:100%;border-collapse:collapse;font-size:15px}
.article-body th,.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--hair);
  text-align:left;
}
.article-body th{color:var(--text);font-weight:700;background:rgba(255,255,255,.03)}
.article-body code{
  font-family:"Space Grotesk",monospace;
  font-size:.92em;
  padding:2px 6px;
  border-radius:6px;
  background:rgba(34,211,238,.10);
  color:var(--accent);
}

/* ---------- Empty state ---------- */
.empty-state{
  display:grid;
  justify-items:center;
  gap:14px;
  padding:56px 28px;
  text-align:center;
  border:1px dashed rgba(255,255,255,.16);
  border-radius:var(--r-card);
  background:var(--glass);
}
.empty-state .empty-icon{
  width:56px;
  height:56px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid rgba(34,211,238,.35);
  color:var(--accent);
  font-size:20px;
  background:rgba(34,211,238,.08);
}
.empty-state h2{font-size:22px;font-weight:800;color:var(--text)}
.empty-state p{max-width:440px;font-size:15px;line-height:1.85;color:var(--dim)}

/* ---------- Article foot ---------- */
.article-foot{margin-top:44px}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding-top:28px;
  border-top:1px solid var(--hair);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:7px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--glass);
  font-size:12px;
  font-weight:600;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--muted);
  transition:color .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.tag:hover{color:#fff;border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.08)}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-top:26px;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
}
.back-link i{font-size:12px;color:var(--accent);transition:transform .22s ease-out}
.back-link:hover{color:var(--accent)}
.back-link:hover i{transform:translateX(-3px)}

/* ---------- Aside ---------- */
.article-aside{
  position:sticky;
  top:104px;
  display:grid;
  gap:16px;
}
.aside-card{
  padding:22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.aside-card h3{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
}
.aside-links{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.aside-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:14px;
  color:var(--muted);
  padding-bottom:11px;
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:color .22s ease-out,padding-left .22s ease-out;
}
.aside-links li:last-child a{border-bottom:0;padding-bottom:0}
.aside-links a:hover{color:var(--accent);padding-left:4px}
.aside-links i{font-size:11px;color:var(--dim)}
.aside-note{font-size:13.5px;line-height:1.8;color:var(--dim)}

/* ---------- Related ---------- */
.related-sec{padding-bottom:var(--sec)}
.sec-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:32px;
}
.sec-head h2{
  font-size:32px;
  line-height:1.25;
  font-weight:800;
  color:var(--text);
}
.sec-head .sec-sub{font-size:15px;color:var(--dim);margin-top:10px;max-width:640px}
.sec-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--accent);
}
.sec-link:hover{color:#fff}
.sec-link i{font-size:12px;transition:transform .22s ease-out}
.sec-link:hover i{transform:translateX(3px)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;
  flex-direction:column;
  height:100%;
  overflow:hidden;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.rel-card:hover{
  transform:translateY(-4px);
  border-color:rgba(34,211,238,.35);
  box-shadow:var(--shadow-hover);
}
.rel-thumb{aspect-ratio:16 / 9;overflow:hidden;background:var(--bg-alt)}
.rel-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .24s ease-out;
}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
  padding:20px 22px 22px;
}
.rel-body .rel-cat{
  font-size:11px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent);
}
.rel-body h3{
  font-size:18px;
  line-height:1.45;
  font-weight:700;
  color:var(--text);
  transition:color .22s ease-out;
}
.rel-card:hover .rel-body h3{color:var(--primary-light)}
.rel-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--dim);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.06);
  font-size:12.5px;
  color:var(--dim);
}
.rel-foot .mono{font-family:"Space Grotesk",sans-serif;color:var(--muted)}
.rel-foot i{font-size:12px;color:var(--accent)}

/* ---------- CTA band ---------- */
.cta-band-wrap{padding-bottom:var(--sec)}
.cta-band{
  position:relative;
  overflow:hidden;
  padding:56px 48px;
  border-radius:24px;
  border:1px solid var(--line);
  background:
    linear-gradient(115deg,rgba(7,11,20,.95),rgba(7,11,20,.74)),
    url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
  box-shadow:var(--shadow-card);
}
.cta-band h2{
  margin-top:18px;
  max-width:680px;
  font-size:34px;
  line-height:1.28;
  font-weight:800;
  color:var(--text);
}
.cta-band p{
  margin-top:14px;
  max-width:640px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  padding-top:64px;
  border-top:1px solid var(--hair);
  background:var(--bg-alt);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:auto -20% -360px -20%;
  height:440px;
  pointer-events:none;
  background:
    radial-gradient(560px 300px at 26% 70%,rgba(78,107,255,.10),transparent 70%),
    radial-gradient(520px 280px at 76% 80%,rgba(240,80,155,.08),transparent 72%);
}
.site-footer .container-x{position:relative;z-index:1}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
}
.footer-brand .brand{font-size:17px}
.footer-brand p{
  margin-top:16px;
  max-width:34ch;
  font-size:14px;
  line-height:1.85;
  color:var(--dim);
}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row span{
  display:grid;
  place-items:center;
  width:36px;
  height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--dim);
  font-size:14px;
  transition:border-color .22s ease-out,color .22s ease-out;
}
.social-row span:hover{border-color:rgba(34,211,238,.45);color:var(--accent)}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--accent)}
.sub-form label{
  display:block;
  margin-bottom:8px;
  font-size:13px;
  color:var(--dim);
}
.input-row{display:flex;gap:10px}
.form-input{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text);
  font-family:inherit;
  font-size:15px;
  transition:border-color .22s ease-out,box-shadow .22s ease-out,background .22s ease-out;
}
.form-input::placeholder{color:var(--dim)}
.form-input:hover{border-color:rgba(255,255,255,.2)}
.form-input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(34,211,238,.18);
  background:rgba(255,255,255,.07);
}
.sub-form .btn{margin-top:14px}
.footer-note{
  margin-top:12px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--dim);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:48px;
  padding:22px 0;
  border-top:1px solid var(--hair);
  font-size:13px;
  color:var(--dim);
}

/* ---------- Responsive ---------- */
@media (max-width:1399px){
  :root{--wrap:1240px}
}
@media (max-width:1199px){
  :root{--sec:76px}
  .article-head h1{font-size:40px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .article-main{max-width:100%}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .sec-head h2{font-size:28px}
  .cta-band h2{font-size:30px}
}
@media (max-width:991px){
  .nav-chips,.header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{min-height:68px}
  .article-head{padding:18px 0 34px}
  .article-head h1{font-size:34px}
  .post-lead{font-size:16px}
  .article-layout{padding-bottom:66px}
  .article-body{font-size:17px}
  .article-body h2{font-size:26px;margin-top:40px}
  .article-body h3{font-size:20px;margin-top:28px}
  .cta-band{padding:40px 28px;border-radius:20px}
  .cta-band h2{font-size:26px}
}
@media (max-width:767px){
  :root{--sec:56px;--pad:20px}
  .crumbs{padding-top:18px;font-size:12.5px}
  .article-head h1{font-size:28px;letter-spacing:-.015em}
  .post-lead{font-size:15.5px;line-height:1.85}
  .post-meta{gap:8px 14px;font-size:13px}
  .post-meta .dot{display:none}
  .article-layout{padding-top:32px}
  .article-body{font-size:16.5px;line-height:1.9}
  .article-body blockquote{padding:18px 20px;margin:26px 0}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-bottom{margin-top:34px;font-size:12.5px;justify-content:flex-start}
  .sec-head{margin-bottom:24px}
  .sec-head h2{font-size:24px}
  .cta-band{padding:34px 22px}
  .cta-band h2{font-size:23px}
  .cta-actions .btn{width:100%}
}
@media (max-width:575px){
  .brand{font-size:15px;gap:10px}
  .article-head h1{font-size:25px}
  .post-meta .byline{width:100%}
  .empty-state{padding:40px 20px}
  .rel-body{padding:18px 18px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition:none!important;
    animation:none!important;
    scroll-behavior:auto!important;
  }
  .rel-card:hover,
  .btn:hover{transform:none}
  .rel-card:hover .rel-thumb img{transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#070B14;
  --bg-alt:#0B1120;
  --primary:#4E6BFF;
  --primary-deep:#2B3FD6;
  --primary-soft:#7C93FF;
  --accent:#22D3EE;
  --hot:#F0509B;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --line-soft:#1B2438;
  --text:#F2F5FF;
  --body:#A9B4CC;
  --muted:#6C7A96;
  --ok:#34D399;
  --err:#FB7185;
  --r-card:20px;
  --r-img:16px;
  --r-btn:12px;
  --shadow:0 20px 48px -24px rgba(0,0,0,.85);
  --shadow-hover:0 28px 64px -20px rgba(0,0,0,.92);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"Noto Sans TC",system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .22s ease-out}
a:hover{color:#7DE7F7}
h1,h2,h3,h4{color:var(--text);margin:0;letter-spacing:-.015em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container-x{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1400px){ .container-x{max-width:1320px} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1080;
  border-bottom:1px solid transparent;
  transition:background .24s ease-out,border-color .24s ease-out,backdrop-filter .24s ease-out;
}
.site-header.is-stuck{
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line-soft);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:78px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:19px;
  font-weight:800;
  color:var(--text);
  white-space:nowrap;
  flex:0 0 auto;
}
.brand:hover{color:var(--text)}
.brand em{
  font-style:normal;
  background:linear-gradient(120deg,var(--primary-soft),var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.brand-mark{
  width:14px;height:14px;
  flex:0 0 14px;
  transform:rotate(45deg);
  border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 0 4px rgba(78,107,255,.16),0 0 18px rgba(34,211,238,.6);
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:4px;
  padding:5px;
  margin:0 auto;
  border-radius:999px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
}
.nav-chips a{
  display:inline-block;
  padding:8px 15px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:#8E9AB4;
  white-space:nowrap;
  transition:color .22s ease-out,background .22s ease-out,box-shadow .22s ease-out;
}
.nav-chips a:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav-chips a.active{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),rgba(124,147,255,.88));
  box-shadow:0 6px 20px -8px rgba(78,107,255,.9);
}
.header-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.link-quiet{font-size:14.5px;font-weight:600;color:#8E9AB4}
.link-quiet:hover{color:var(--text)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text);
  font-size:17px;
  cursor:pointer;
  transition:border-color .22s ease-out,background .22s ease-out;
}
.nav-toggle:hover{border-color:rgba(34,211,238,.45);background:rgba(34,211,238,.08)}

.mobile-drawer{
  display:none;
  position:fixed;
  inset:78px 0 auto 0;
  z-index:1070;
  padding:20px 20px 28px;
  background:rgba(8,13,24,.97);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-soft);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.95);
}
.mobile-drawer.open{display:block}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:13px 16px;
  border-radius:12px;
  font-size:16px;
  font-weight:600;
  color:#9FABC4;
  background:rgba(255,255,255,.04);
  border:1px solid transparent;
}
.drawer-nav a:hover{color:var(--text);border-color:var(--line)}
.drawer-nav a.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(78,107,255,.9),rgba(124,147,255,.7));
  border-color:rgba(124,147,255,.5);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 24px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  line-height:1.4;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out,background .22s ease-out,color .22s ease-out;
}
.btn-glow{
  background:linear-gradient(135deg,#4E6BFF,#7C93FF);
  color:#fff;
  box-shadow:0 0 0 1px rgba(124,147,255,.5),0 10px 30px -8px rgba(78,107,255,.7);
}
.btn-glow:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(124,147,255,.65),0 16px 40px -8px rgba(78,107,255,.9);
}
.btn-glow:active{transform:translateY(0) scale(.985);box-shadow:0 0 0 1px rgba(124,147,255,.5),0 6px 16px -8px rgba(78,107,255,.7)}
.btn-ghost{
  background:rgba(255,255,255,.045);
  border-color:rgba(255,255,255,.16);
  color:#D6DEF5;
}
.btn-ghost:hover{
  color:#fff;
  border-color:rgba(34,211,238,.55);
  background:rgba(34,211,238,.07);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 88px;
  border-bottom:1px solid var(--line-soft);
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.4;
  transform:scale(1.03);
}
.page-hero .hero-veil{
  position:absolute;
  inset:0;
  background:
    radial-gradient(620px 420px at 14% 16%,rgba(78,107,255,.18),transparent 70%),
    radial-gradient(520px 380px at 88% 6%,rgba(240,80,155,.11),transparent 72%),
    linear-gradient(180deg,rgba(7,11,20,.5) 0%,rgba(7,11,20,.9) 62%,var(--bg) 100%);
}
.page-hero .container-x{position:relative;z-index:2}
.breadcrumb-x{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:34px;
}
.breadcrumb-x a{color:#8E9AB4}
.breadcrumb-x a:hover{color:var(--accent)}
.breadcrumb-x .sep{color:#39445C}
.breadcrumb-x .now{color:#C3CCE2}
.eyebrow{
  display:inline-block;
  font-family:"Space Grotesk",sans-serif;
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(32px,5vw,60px);
  line-height:1.12;
  font-weight:900;
  letter-spacing:-.02em;
  margin:0 0 20px;
  max-width:15ch;
  background:linear-gradient(180deg,#FFFFFF 30%,#C6D2F5 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  max-width:620px;
  font-size:17.5px;
  line-height:1.9;
  color:#B4BFD6;
  margin-bottom:32px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.stat-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px 48px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.09);
  max-width:720px;
}
.stat{min-width:120px}
.stat b{
  display:block;
  font-family:"Space Grotesk",sans-serif;
  font-size:34px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--accent);
  line-height:1.15;
}
.stat b span{font-size:16px;color:#8DD9E8;margin-left:2px}
.stat em{font-style:normal;font-size:13.5px;color:var(--muted)}

/* ---------- Section basics ---------- */
.section{padding:104px 0;position:relative}
.section--alt{background:var(--bg-alt)}
.section--glow::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:radial-gradient(560px 320px at 82% 8%,rgba(78,107,255,.10),transparent 72%);
}
.section .container-x{position:relative;z-index:2}
.sec-head{max-width:780px;margin-bottom:52px}
.sec-head h2{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.2;
  font-weight:800;
  margin-bottom:16px;
}
.sec-head p{font-size:16.5px;color:var(--body);margin:0}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  color:#9FE9F6;
  background:rgba(34,211,238,.10);
  border:1px solid rgba(34,211,238,.30);
}

/* ---------- Ladder ---------- */
.ladder{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:64px;
  align-items:start;
}
.ladder-aside{position:sticky;top:110px}
.ladder-aside h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  line-height:1.22;
  margin-bottom:18px;
}
.ladder-aside p{font-size:16px;color:var(--body);margin-bottom:24px}
.ladder-list{display:flex;flex-direction:column}
.ladder-item{
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:20px;
  padding:30px 0;
  border-top:1px solid var(--line-soft);
  transition:transform .24s ease-out;
}
.ladder-item:last-child{border-bottom:1px solid var(--line-soft)}
.ladder-item:hover{transform:translateX(4px)}
.ladder-num{
  font-family:"Space Grotesk",sans-serif;
  font-size:32px;
  font-weight:700;
  line-height:1.1;
  color:rgba(78,107,255,.42);
}
.ladder-item h3{font-size:21px;font-weight:700;margin-bottom:10px;line-height:1.4}
.ladder-item p{font-size:16px;line-height:1.85;margin:0;color:var(--body)}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento-card{
  position:relative;
  overflow:hidden;
  padding:28px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow);
  transition:transform .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.bento-card::before{
  content:"";
  position:absolute;
  top:0;left:18px;right:18px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.bento-card:hover{
  transform:translateY(-4px);
  border-color:rgba(34,211,238,.35);
  box-shadow:var(--shadow-hover);
}
.bento-card i.ico{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:13px;
  font-size:18px;
  color:var(--accent);
  background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.26);
  margin-bottom:20px;
}
.bento-card h3{font-size:19.5px;font-weight:700;margin-bottom:10px;line-height:1.45}
.bento-card p{font-size:15.5px;line-height:1.85;color:var(--body);margin:0}
.thumb{
  margin-top:22px;
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:16/9;
  position:relative;
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.bento-card:hover .thumb img{transform:scale(1.03)}
.thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.05),rgba(7,11,20,.55));
}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.span-4{grid-column:span 4}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}

/* ---------- Flow ---------- */
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.flow-step{
  position:relative;
  padding:26px 22px;
  border-radius:18px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  transition:transform .24s ease-out,border-color .24s ease-out,background .24s ease-out;
}
.flow-step:hover{
  transform:translateY(-4px);
  border-color:rgba(124,147,255,.45);
  background:rgba(78,107,255,.09);
}
.flow-step .n{
  font-family:"Space Grotesk",sans-serif;
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--accent);
  font-weight:600;
  display:block;
  margin-bottom:14px;
}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.4}
.flow-step p{font-size:14.5px;line-height:1.8;color:#95A2BB;margin:0}

/* ---------- Scenes ---------- */
.scene-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.scene-chip{
  padding:9px 20px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:#8E9AB4;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  cursor:pointer;
  transition:color .22s ease-out,background .22s ease-out,border-color .22s ease-out;
}
.scene-chip:hover{color:var(--text);border-color:rgba(34,211,238,.4)}
.scene-chip.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(78,107,255,.95),rgba(124,147,255,.8));
  border-color:rgba(124,147,255,.6);
  box-shadow:0 8px 22px -10px rgba(78,107,255,.9);
}
.scene-panel{
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(0,6fr);
  gap:44px;
  padding:34px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow);
}
.scene-pane{display:none}
.scene-pane.active{display:contents}
.scene-pane h3{font-size:23px;font-weight:700;margin-bottom:14px}
.scene-pane > div > p{font-size:16px;color:var(--body);margin-bottom:22px}
.scene-points{display:flex;flex-direction:column;gap:16px}
.scene-points li{
  display:grid;
  grid-template-columns:26px minmax(0,1fr);
  gap:12px;
  font-size:15.5px;
  line-height:1.8;
  color:#B4BFD6;
}
.scene-points li span{
  font-family:"Space Grotesk",sans-serif;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  padding-top:3px;
}
.scene-media{border-radius:var(--r-img);overflow:hidden;position:relative;min-height:260px}
.scene-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.scene-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,0),rgba(7,11,20,.45));
}

/* ---------- Proof strip ---------- */
.proof{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  padding-top:8px;
}
.proof-item{
  padding:26px 24px;
  border-radius:18px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
}
.proof-item b{
  display:block;
  font-family:"Space Grotesk",sans-serif;
  font-size:38px;
  font-weight:700;
  color:var(--accent);
  line-height:1.15;
  letter-spacing:-.01em;
  margin-bottom:6px;
}
.proof-item b em{font-style:normal;font-size:16px;color:#8DD9E8;margin-left:2px}
.proof-item span{font-size:14.5px;color:#93A0B9;line-height:1.7;display:block}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:16px;
  background:var(--glass);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .22s ease-out,background .22s ease-out;
}
.faq-item:hover{border-color:rgba(255,255,255,.2)}
.faq-item.open{border-color:rgba(78,107,255,.45);background:rgba(78,107,255,.07)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 24px;
  background:none;
  border:0;
  border-left:3px solid transparent;
  color:var(--text);
  font-size:18px;
  font-weight:700;
  text-align:left;
  cursor:pointer;
  transition:border-color .22s ease-out,color .22s ease-out;
}
.faq-item.open .faq-q{border-left-color:var(--primary);box-shadow:-1px 0 18px -6px rgba(78,107,255,.9)}
.faq-plus{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  transition:transform .24s ease-out;
}
.faq-plus::before,.faq-plus::after{
  content:"";
  position:absolute;
  background:var(--accent);
  border-radius:2px;
}
.faq-plus::before{top:10px;left:0;width:22px;height:2px}
.faq-plus::after{left:10px;top:0;width:2px;height:22px}
.faq-item.open .faq-plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease-out;
}
.faq-a p{
  padding:0 24px 22px;
  font-size:16px;
  line-height:1.9;
  color:var(--body);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:64px 40px;
  border-radius:24px;
  background:linear-gradient(135deg,rgba(78,107,255,.16),rgba(240,80,155,.08));
  border:1px solid rgba(124,147,255,.32);
  box-shadow:var(--shadow);
  text-align:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:-40%;
  background:
    radial-gradient(circle at 20% 30%,rgba(78,107,255,.28),transparent 55%),
    radial-gradient(circle at 82% 70%,rgba(240,80,155,.18),transparent 55%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;margin-bottom:16px}
.cta-band p{font-size:16.5px;color:#BCC7DD;max-width:640px;margin:0 auto 30px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- Footer ---------- */
.site-footer{
  padding:76px 0 34px;
  background:var(--bg-alt);
  border-top:1px solid var(--line-soft);
  position:relative;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid var(--line-soft);
}
.footer-brand p{font-size:15px;line-height:1.85;color:#8C99B3;margin:18px 0 22px;max-width:340px}
.social-row{display:flex;gap:10px}
.social-row span{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:#8C99B3;
  font-size:15px;
  transition:color .22s ease-out,border-color .22s ease-out,transform .22s ease-out;
}
.social-row span:hover{color:var(--accent);border-color:rgba(34,211,238,.45);transform:translateY(-2px)}
.footer-col h4{font-size:15.5px;font-weight:700;color:#E7ECFA;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14.5px;color:#8C99B3}
.footer-col ul a:hover{color:var(--accent)}
.sub-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.input-row{margin-bottom:12px}
.form-input{
  width:100%;
  height:48px;
  padding:0 16px;
  font-size:15px;
  color:var(--text);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:12px;
  transition:border-color .22s ease-out,box-shadow .22s ease-out,background .22s ease-out;
}
.form-input::placeholder{color:#5E6B85}
.form-input:focus{
  outline:none;
  border-color:var(--accent);
  background:rgba(34,211,238,.06);
  box-shadow:0 0 0 3px rgba(34,211,238,.18);
}
.footer-note{font-size:12.5px;color:#64718B;line-height:1.7;margin:12px 0 0}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:26px;
  font-size:13px;
  color:#5E6B85;
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:48px}
  .ladder{gap:44px}
  .span-7,.span-8{grid-column:span 12}
  .span-5,.span-4{grid-column:span 6}
  .flow{grid-template-columns:repeat(3,minmax(0,1fr))}
  .proof{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .container-x{padding:0 24px}
  .nav-chips{display:none}
  .header-actions .link-quiet{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:76px 0}
  .ladder{grid-template-columns:1fr;gap:32px}
  .ladder-aside{position:static}
  .bento{gap:20px}
  .span-5,.span-4{grid-column:span 12}
  .scene-panel{grid-template-columns:1fr;gap:28px;padding:26px}
  .scene-media{min-height:220px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{padding:48px 26px}
  .page-hero{padding:48px 0 68px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container-x{padding:0 20px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:34px}
  .page-hero h1{font-size:32px;max-width:none}
  .hero-lead{font-size:16px}
  .hero-cta .btn{width:100%}
  .stat-row{gap:20px 32px}
  .stat b{font-size:28px}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .proof{grid-template-columns:1fr}
  .ladder-item{grid-template-columns:48px minmax(0,1fr);gap:16px;padding:24px 0}
  .ladder-num{font-size:26px}
  .faq-q{font-size:16px;padding:17px 18px}
  .faq-a p{padding:0 18px 18px;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:6px}
  .cta-actions .btn{width:100%}
  .scene-chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:8px;-webkit-overflow-scrolling:touch}
  .scene-chip{flex:0 0 auto}
}
@media (max-width:575px){
  .bento-card{padding:20px}
  .bento-card h3{font-size:18px}
  .flow{grid-template-columns:1fr}
  .cta-band{padding:38px 20px}
  .stat-row{gap:18px 26px}
  .stat{min-width:100px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --bg:#070B14;
  --bg-alt:#0B1120;
  --surface:#0E1524;
  --primary:#4E6BFF;
  --primary-deep:#2B3FD6;
  --primary-light:#7C93FF;
  --accent:#22D3EE;
  --hot:#F0509B;
  --glass:rgba(255,255,255,0.055);
  --glass-border:rgba(255,255,255,0.10);
  --line:#1B2438;
  --text:#F2F5FF;
  --body:#A9B4CC;
  --dim:#6C7A96;
  --ok:#34D399;
  --err:#FB7185;
  --r-card:20px;
  --r-img:16px;
  --r-btn:12px;
  --sh-card:0 20px 48px -24px rgba(0,0,0,.85);
  --sh-hover:0 28px 64px -20px rgba(0,0,0,.92);
  --sec:104px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:'Noto Sans TC','PingFang TC','Microsoft JhengHei',system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--accent);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:#7EE9F8}
button{font-family:inherit}
h1,h2,h3,h4,h5{color:var(--text);margin:0;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(78,107,255,.42);color:#fff}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Space Grotesk',sans-serif;
  font-size:12px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.7}
.h2{font-size:40px;line-height:1.2;font-weight:800}
.h3{font-size:24px;line-height:1.35;font-weight:700}
.h4{font-size:19px;line-height:1.4;font-weight:700}
.lead{font-size:17px;color:var(--body);margin-top:16px;line-height:1.85}
.dim{color:var(--dim)}
.mono{font-family:'Space Grotesk',sans-serif;letter-spacing:-.01em}

/* ---------- 按鈕 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:var(--r-btn);border:0;cursor:pointer;
  font-size:15px;font-weight:700;line-height:1;
  padding:15px 26px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
  white-space:nowrap;
}
.btn-glow{
  background:linear-gradient(135deg,#4E6BFF,#7C93FF);
  color:#fff;
  box-shadow:0 0 0 1px rgba(124,147,255,.5),0 10px 30px -8px rgba(78,107,255,.7);
}
.btn-glow:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(124,147,255,.75),0 14px 40px -8px rgba(78,107,255,.9);
}
.btn-glow:active{transform:translateY(0) scale(.985);box-shadow:0 0 0 1px rgba(124,147,255,.5),0 6px 16px -8px rgba(78,107,255,.7)}
.btn-ghost{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.16);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:rgba(34,211,238,.6);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 標籤 / chip ---------- */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);
  background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.32);
}
.chip-hot{color:#FFD3E6;background:rgba(240,80,155,.12);border-color:rgba(240,80,155,.42)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 導航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:76px}
.brand{
  display:inline-flex;align-items:center;gap:11px;
  font-size:16.5px;font-weight:800;color:var(--text);letter-spacing:-.01em;
  flex:0 0 auto;
}
.brand:hover{color:var(--text)}
.brand em{
  font-style:normal;
  background:linear-gradient(135deg,#7C93FF 10%,#22D3EE 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-mark{
  width:20px;height:20px;flex:0 0 auto;border-radius:4px;
  background:linear-gradient(135deg,#7C93FF,#22D3EE);
  transform:rotate(45deg);
  box-shadow:0 0 16px rgba(78,107,255,.85),0 0 4px rgba(34,211,238,.9);
}
.nav-chips{
  display:flex;align-items:center;gap:4px;
  margin:0 auto;padding:5px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px);
}
.nav-chips a{
  display:block;padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--body);
  transition:color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.nav-chips a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-chips a.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(78,107,255,.95),rgba(124,147,255,.72));
  box-shadow:0 6px 20px -8px rgba(78,107,255,.95);
  font-weight:700;
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--glass);border:1px solid rgba(255,255,255,.14);
  color:var(--text);font-size:16px;align-items:center;justify-content:center;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.nav-toggle:hover{border-color:rgba(34,211,238,.6);color:#fff}
.drawer{
  background:rgba(9,14,26,.98)!important;
  border-left:1px solid var(--line);
  backdrop-filter:blur(18px);
  color:var(--body);
  width:320px!important;
}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px}
.drawer .offcanvas-body{padding:22px}
.drawer .brand{font-size:16px}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.drawer-links a{
  padding:13px 16px;border-radius:12px;color:var(--body);font-size:15px;
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.drawer-links a:hover{color:#fff;border-color:rgba(34,211,238,.45)}
.drawer-links a.active{
  color:#fff;font-weight:700;
  background:linear-gradient(135deg,rgba(78,107,255,.92),rgba(124,147,255,.68));
  border-color:rgba(124,147,255,.5);
}
.drawer-cta{display:flex;flex-direction:column;gap:10px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:88px 0 96px}
.hero::before{
  content:"";position:absolute;left:-10%;right:-10%;top:-30%;height:820px;pointer-events:none;
  background:
    radial-gradient(600px 420px at 18% 34%,rgba(78,107,255,.12),transparent 70%),
    radial-gradient(520px 400px at 80% 16%,rgba(240,80,155,.10),transparent 70%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{
  font-size:58px;line-height:1.12;font-weight:900;letter-spacing:-.02em;
  margin:14px 0 0;
}
.hero h1 .grad{
  background:linear-gradient(120deg,#7C93FF 0%,#22D3EE 58%,#F0509B 118%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:18px;color:var(--body);margin-top:22px;max-width:560px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.stat-row{
  display:flex;flex-wrap:wrap;gap:44px;
  margin-top:46px;padding-top:30px;border-top:1px solid var(--line);
}
.stat-num{font-family:'Space Grotesk',sans-serif;font-size:40px;font-weight:700;line-height:1;color:var(--accent);letter-spacing:-.01em}
.stat-num small{font-size:16px;color:var(--body);margin-left:4px;font-family:'Noto Sans TC',sans-serif;font-weight:500}
.stat-label{font-size:13px;color:var(--dim);margin-top:10px;line-height:1.6}
.hero-visual{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--glass-border);
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--sh-card);
  padding:10px;
}
.hero-visual::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background:linear-gradient(180deg,rgba(7,11,20,.06) 0%,rgba(7,11,20,.62) 72%,rgba(7,11,20,.9) 100%);
  border-radius:inherit;
}
.hero-visual .shot{
  position:relative;border-radius:14px;overflow:hidden;
  box-shadow:0 0 0 1px rgba(255,255,255,.12),0 0 40px rgba(78,107,255,.28);
}
.hero-visual img{width:100%;aspect-ratio:4/5;object-fit:cover}
.hero-visual .shot-caption{
  position:absolute;z-index:3;left:22px;right:22px;bottom:22px;
}
.hero-visual .shot-caption strong{display:block;color:#fff;font-size:15px;font-weight:700}
.hero-visual .shot-caption span{display:block;font-size:12.5px;color:rgba(226,235,255,.7);margin-top:4px}
.float-badge{
  position:absolute;z-index:4;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;color:#E7EEFF;
  background:rgba(11,17,32,.82);
  border:1px solid rgba(34,211,238,.42);
  backdrop-filter:blur(12px);
  box-shadow:0 12px 30px -16px rgba(0,0,0,.95);
}
.float-badge i{color:var(--accent);font-size:11px}
.fb-1{top:34px;left:-14px}
.fb-2{bottom:104px;right:-10px;border-color:rgba(240,80,155,.42)}
.fb-2 i{color:var(--hot)}

/* ---------- 橫向列表卡 ---------- */
.split-row{
  display:grid;grid-template-columns:4fr 8fr;gap:36px;align-items:center;
  padding:38px 0;border-top:1px solid var(--line);
}
.split-row:first-of-type{border-top:0;padding-top:0}
.split-row:last-of-type{padding-bottom:0}
.thumb{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid rgba(255,255,255,.09);
  box-shadow:var(--sh-card);
  background:var(--surface);
}
.thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .26s var(--ease)}
.split-row:hover .thumb img{transform:scale(1.03)}
.thumb .thumb-no{
  position:absolute;left:14px;top:12px;
  font-family:'Space Grotesk',sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.12em;color:#0A1020;
  background:var(--accent);border-radius:999px;padding:4px 10px;
}
.split-body .h3{margin:0 0 12px;transition:color .22s var(--ease)}
.split-row:hover .split-body .h3{color:var(--primary-light)}
.split-body p{font-size:16.5px;line-height:1.9;color:var(--body)}
.split-body p+p{margin-top:12px}
.mini-list{margin-top:18px;display:flex;flex-direction:column;gap:9px}
.mini-list li{
  position:relative;padding-left:24px;font-size:15px;color:var(--body);line-height:1.7;
}
.mini-list li::before{
  content:"";position:absolute;left:4px;top:10px;
  width:7px;height:7px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(34,211,238,.8);
  transform:rotate(45deg);
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:20px;font-size:14px;font-weight:700;color:var(--accent);
}
.text-link i{transition:transform .22s var(--ease)}
.text-link:hover{color:#7EE9F8}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 場景 ---------- */
.scene-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.scene-btn{
  padding:11px 20px;border-radius:999px;
  background:var(--glass);border:1px solid rgba(255,255,255,.12);
  color:var(--body);font-size:14px;font-weight:700;
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.scene-btn:hover{color:#fff;border-color:rgba(34,211,238,.5);transform:translateY(-2px)}
.scene-btn.active{
  color:#fff;border-color:rgba(124,147,255,.55);
  background:linear-gradient(135deg,rgba(78,107,255,.9),rgba(124,147,255,.6));
  box-shadow:0 8px 24px -12px rgba(78,107,255,.95);
}
.scene-panel{
  display:grid;grid-template-columns:7fr 5fr;gap:0;
  border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--sh-card);
}
.scene-panel-body{padding:40px 42px}
.scene-panel-body .h3{font-size:22px}
.scene-panel-body p{font-size:16px;line-height:1.9;margin-top:14px}
.scene-panel-media{position:relative;min-height:320px}
.scene-panel-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.scene-panel-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,17,32,.92),rgba(11,17,32,.12) 48%,rgba(11,17,32,.4));
}
.scene-pane{display:none}
.scene-pane.active{display:contents;animation:fadeIn .26s var(--ease)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.flow-sticky{position:sticky;top:104px}
.flow-step{
  display:grid;grid-template-columns:72px 1fr;gap:22px;
  padding:26px 0;border-top:1px solid var(--line);
  align-items:start;
}
.flow-step:first-of-type{border-top:0;padding-top:0}
.flow-step:last-of-type{padding-bottom:0}
.flow-no{
  font-family:'Space Grotesk',sans-serif;font-size:34px;font-weight:700;line-height:1;
  color:rgba(78,107,255,.42);letter-spacing:-.02em;
}
.flow-step h3{font-size:19px;font-weight:700;margin-bottom:8px}
.flow-step p{font-size:15.5px;line-height:1.85;color:var(--body)}
.flow-step .step-tag{
  display:inline-block;margin-top:10px;font-size:12px;font-weight:700;
  letter-spacing:.1em;color:var(--accent);
}

/* ---------- 交付標準 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:var(--r-card);padding:28px;
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.metric-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);box-shadow:var(--sh-hover)}
.metric-card .num{
  font-family:'Space Grotesk',sans-serif;font-size:38px;font-weight:700;line-height:1;color:var(--accent);
}
.metric-card .num small{font-size:15px;color:var(--body);font-family:'Noto Sans TC',sans-serif;margin-left:4px}
.metric-card h3{font-size:17px;font-weight:700;margin:14px 0 8px}
.metric-card p{font-size:14.5px;line-height:1.8;color:var(--dim)}

/* ---------- 引述 ---------- */
.quote-block{
  display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:stretch;
}
.quote-card{
  background:linear-gradient(150deg,rgba(78,107,255,.14),rgba(240,80,155,.07) 96%);
  border:1px solid rgba(124,147,255,.28);
  border-radius:var(--r-card);padding:42px;
  box-shadow:var(--sh-card);
}
.quote-card blockquote{margin:0;font-size:22px;line-height:1.75;color:var(--text);font-weight:700}
.quote-meta{margin-top:24px;display:flex;align-items:center;gap:14px}
.quote-avatar{
  width:44px;height:44px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,#4E6BFF,#22D3EE);
  display:flex;align-items:center;justify-content:center;
  color:#071019;font-weight:900;font-size:15px;font-family:'Space Grotesk',sans-serif;
}
.quote-meta span{font-size:14px;color:var(--body);line-height:1.5}
.quote-meta span b{display:block;color:var(--text);font-size:15px}
.quote-side{
  border-radius:var(--r-card);overflow:hidden;position:relative;
  border:1px solid rgba(255,255,255,.1);min-height:280px;
}
.quote-side img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.quote-side::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.1),rgba(7,11,20,.78));
}
.quote-side figcaption{
  position:absolute;z-index:2;left:26px;right:26px;bottom:24px;
  font-size:14px;color:#DCE6FF;line-height:1.7;
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq{--bs-accordion-bg:transparent;--bs-accordion-border-width:0}
.faq .accordion-item{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.09);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(16px);
}
.faq .accordion-item:hover{border-color:rgba(34,211,238,.28)}
.faq .accordion-button{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  width:100%;padding:20px 24px;
  background:transparent;color:var(--text);
  font-size:18px;font-weight:700;line-height:1.5;
  box-shadow:none;border-radius:0;
  transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq .accordion-button::after{display:none}
.faq .accordion-button:focus{box-shadow:none;border:0}
.faq .accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-4px}
.faq .accordion-button:not(.collapsed){
  background:rgba(78,107,255,.09);
  color:#fff;
  box-shadow:inset 3px 0 0 0 var(--primary);
}
.faq .accordion-body{
  padding:4px 24px 24px;
  color:var(--body);font-size:15.5px;line-height:1.9;
}
.faq-plus{
  position:relative;flex:0 0 auto;width:15px;height:15px;
  transition:transform .22s var(--ease);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
}
.faq-plus::before{left:0;top:6.5px;width:15px;height:2px}
.faq-plus::after{left:6.5px;top:0;width:2px;height:15px;transition:opacity .22s var(--ease),transform .22s var(--ease)}
.faq .accordion-button:not(.collapsed) .faq-plus{transform:rotate(45deg)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;padding:0 0 var(--sec)}
.cta-inner{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid rgba(124,147,255,.3);
  box-shadow:var(--sh-hover);
  padding:64px 56px;
  background-image:linear-gradient(120deg,rgba(7,11,20,.94),rgba(11,17,32,.86)),url('/assets/images/backpic/back-3.jpg');
  background-size:cover;background-position:center;
}
.cta-inner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(460px 320px at 12% 20%,rgba(78,107,255,.20),transparent 70%),
    radial-gradient(400px 300px at 88% 90%,rgba(240,80,155,.16),transparent 70%);
}
.cta-content{position:relative;display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:center}
.cta-content h2{font-size:36px;line-height:1.25;font-weight:800}
.cta-content p{margin-top:14px;font-size:16.5px;color:var(--body);max-width:640px}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- 頁腳 ---------- */
.site-footer{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  padding:72px 0 30px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:260px;pointer-events:none;
  background:radial-gradient(560px 240px at 24% 0%,rgba(78,107,255,.12),transparent 72%);
}
.footer-grid{
  position:relative;
  display:grid;grid-template-columns:4fr 2.5fr 2.5fr 3fr;gap:44px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14.5px;line-height:1.9;color:var(--dim);max-width:320px}
.social-row{display:flex;gap:10px;margin-top:22px}
.social-row span{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid rgba(255,255,255,.1);
  color:var(--body);font-size:14px;
  transition:color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.social-row span:hover{color:var(--accent);border-color:rgba(34,211,238,.5);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14.5px;color:var(--dim);transition:color .22s var(--ease)}
.footer-col ul li a:hover{color:var(--accent)}
.sub-form label{display:block;font-size:13px;color:var(--dim);margin-bottom:9px}
.input-row{margin-bottom:12px}
.form-input{
  width:100%;height:48px;padding:0 16px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);font-size:14.5px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.form-input::placeholder{color:#5A677F}
.form-input:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(34,211,238,.18);
  background:rgba(255,255,255,.075);
}
.footer-note{font-size:12.5px;color:var(--dim);margin-top:12px;line-height:1.7}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;border-top:1px solid var(--line);
  font-size:13px;color:var(--dim);
}

/* ---------- 響應式 ---------- */
@media (min-width:1400px){
  .container-x{max-width:1320px}
}
@media (max-width:1199.98px){
  .hero h1{font-size:46px}
  .h2{font-size:34px}
  .nav-chips a{padding:7px 12px;font-size:13.5px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:3fr 2.5fr 2.5fr;gap:34px}
  .footer-col:last-child{grid-column:1 / -1;max-width:460px}
  .quote-card{padding:34px}
  .quote-card blockquote{font-size:19px}
}
@media (max-width:991.98px){
  :root{--sec:76px}
  .nav-chips{display:none}
  .header-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:68px;gap:16px}
  .hero{padding:60px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero h1{font-size:42px}
  .hero-visual{max-width:520px}
  .hero-visual img{aspect-ratio:16/11}
  .fb-1{left:12px;top:18px}
  .fb-2{right:12px;bottom:84px}
  .flow-grid{grid-template-columns:1fr;gap:34px}
  .flow-sticky{position:static}
  .scene-panel{grid-template-columns:1fr}
  .scene-panel-media{min-height:240px;order:-1}
  .scene-panel-media::after{background:linear-gradient(180deg,rgba(11,17,32,.2),rgba(11,17,32,.85))}
  .scene-panel-body{padding:32px}
  .quote-block{grid-template-columns:1fr}
  .quote-side{min-height:260px}
  .faq-grid{grid-template-columns:1fr;gap:30px}
  .cta-inner{padding:44px 36px}
  .cta-content{grid-template-columns:1fr;gap:26px}
  .cta-content h2{font-size:28px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-col:last-child{grid-column:auto;max-width:none}
}
@media (max-width:767.98px){
  :root{--sec:56px}
  .container-x{padding:0 20px}
  .hero h1{font-size:32px}
  .h2{font-size:26px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .stat-row{gap:26px 32px}
  .stat-num{font-size:32px}
  .split-row{grid-template-columns:1fr;gap:20px;padding:28px 0}
  .metric-grid{grid-template-columns:1fr;gap:16px}
  .metric-card{padding:22px}
  .scene-panel-body{padding:24px}
  .scene-chips{
    flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;
    -webkit-overflow-scrolling:touch;
    mask-image:linear-gradient(90deg,#000 88%,transparent 100%);
  }
  .scene-btn{flex:0 0 auto;font-size:13px;padding:10px 16px}
  .quote-card{padding:26px}
  .quote-card blockquote{font-size:18px}
  .faq .accordion-button{font-size:16px;padding:17px 18px}
  .faq .accordion-body{padding:2px 18px 20px;font-size:15px}
  .cta-inner{padding:34px 24px;border-radius:20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:8px}
  .brand{font-size:15px}
}
@media (max-width:575.98px){
  .hero h1{font-size:29px}
  .hero-visual{padding:8px}
  .hero-visual .shot-caption{left:16px;right:16px;bottom:16px}
  .float-badge{font-size:11px;padding:6px 11px}
  .flow-step{grid-template-columns:52px 1fr;gap:16px}
  .flow-no{font-size:26px}
  .flow-step h3{font-size:17.5px}
  .drawer{width:100%!important}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
}

/* roulang page: category3 */
:root{
  --bg:#070B14;
  --bg-alt:#0B1120;
  --primary:#4E6BFF;
  --primary-deep:#2B3FD6;
  --primary-soft:#7C93FF;
  --accent:#22D3EE;
  --hot:#F0509B;
  --glass:rgba(255,255,255,.055);
  --glass-border:rgba(255,255,255,.10);
  --t1:#F2F5FF;
  --t2:#A9B4CC;
  --t3:#6C7A96;
  --line:#1B2438;
  --ok:#34D399;
  --err:#FB7185;
  --r-card:20px;
  --r-img:16px;
  --r-btn:12px;
  --shadow:0 20px 48px -24px rgba(0,0,0,.85);
  --shadow-h:0 28px 64px -20px rgba(0,0,0,.92);
  --sec:104px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease);}
a:hover{color:#7CE7F5;}
h1,h2,h3,h4,h5{color:var(--t1);margin:0 0 16px;font-weight:800;letter-spacing:-.01em;line-height:1.24;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:rgba(78,107,255,.42);color:#fff;}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
@media (min-width:1400px){.container-x{max-width:1320px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,20,.62);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,20,.86);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:28px;min-height:76px;padding-top:12px;padding-bottom:12px;}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--t1);font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap;}
.brand em{font-style:normal;background:linear-gradient(120deg,var(--primary-soft),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.brand-mark{
  width:14px;height:14px;display:inline-block;transform:rotate(45deg);border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 0 4px rgba(78,107,255,.14),0 0 18px rgba(78,107,255,.75);
}
.brand:hover{color:#fff;}
.nav-chips{
  display:flex;align-items:center;gap:4px;
  padding:5px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  margin:0 auto;
}
.nav-chips a{
  display:inline-block;padding:9px 17px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--t3);white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-chips a:hover{color:var(--t1);background:rgba(255,255,255,.05);}
.nav-chips a.active{
  color:#fff;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 1px rgba(124,147,255,.5),0 8px 24px -10px rgba(78,107,255,.85);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-border);color:var(--t1);
  align-items:center;justify-content:center;font-size:16px;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.nav-toggle:hover{border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.08);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;line-height:1.3;border:1px solid transparent;
  cursor:pointer;text-align:center;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.btn-glow{
  background:linear-gradient(135deg,#4E6BFF,#7C93FF);color:#fff;
  box-shadow:0 0 0 1px rgba(124,147,255,.5),0 10px 30px -8px rgba(78,107,255,.7);
}
.btn-glow:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(124,147,255,.65),0 16px 40px -8px rgba(78,107,255,.9);}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(124,147,255,.5),0 6px 16px -8px rgba(78,107,255,.7);}
.btn-ghost{
  background:var(--glass);color:var(--t2);border-color:rgba(255,255,255,.16);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{color:#fff;border-color:rgba(34,211,238,.55);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;
  box-shadow:0 0 0 4px rgba(34,211,238,.18);
}

/* ---------- Generic section ---------- */
.section{padding:var(--sec) 0;position:relative;}
.section-alt{background:var(--bg-alt);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:"Space Grotesk",sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--accent);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--accent),transparent);}
.sec-title{font-size:40px;font-weight:800;line-height:1.2;max-width:760px;}
.sec-lead{max-width:660px;color:var(--t2);font-size:17px;margin-bottom:0;}
.sec-head{margin-bottom:52px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  letter-spacing:.04em;color:var(--accent);
  background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.32);
}
.chip-hot{color:#FFD3E7;background:rgba(240,80,155,.14);border-color:rgba(240,80,155,.4);}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;overflow:hidden;
  padding:92px 0 88px;
  border-bottom:1px solid var(--line);
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 420px at 12% 8%,rgba(78,107,255,.16),transparent 62%),
    radial-gradient(620px 380px at 88% 82%,rgba(240,80,155,.10),transparent 65%),
    linear-gradient(180deg,rgba(7,11,20,.92),rgba(7,11,20,.98)),
    url("/assets/images/backpic/back-1.jpg");
  background-size:cover,cover,cover,cover;
  background-position:center,center,center,center;
  opacity:1;z-index:0;
}
.hero-cat > .container-x{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;}
.hero-title{font-size:58px;line-height:1.12;font-weight:900;letter-spacing:-.02em;margin:14px 0 20px;}
.hero-title span{background:linear-gradient(120deg,var(--primary-soft) 8%,var(--accent) 92%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:18px;max-width:540px;color:var(--t2);margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid var(--line);padding-top:26px;}
.stat-num{
  font-family:"Space Grotesk",sans-serif;font-size:36px;font-weight:700;
  color:var(--accent);letter-spacing:-.01em;line-height:1.1;display:block;margin-bottom:4px;
}
.stat-num small{font-size:15px;margin-left:2px;color:var(--t2);font-weight:500;}
.stat-label{font-size:12.5px;color:var(--t3);line-height:1.6;letter-spacing:.02em;display:block;}
.hero-visual{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--glass-border);
  background:var(--glass);backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow);
  padding:14px;
}
.hero-visual img{width:100%;height:400px;object-fit:cover;border-radius:var(--r-img);}
.hero-visual::after{
  content:"";position:absolute;inset:14px;border-radius:var(--r-img);pointer-events:none;
  background:linear-gradient(180deg,rgba(7,11,20,.05) 35%,rgba(7,11,20,.72) 100%);
}
.float-tag{
  position:absolute;z-index:2;display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;font-size:12.5px;font-weight:700;color:#fff;
  background:rgba(11,17,32,.78);border:1px solid rgba(34,211,238,.4);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 12px 30px -14px rgba(0,0,0,.9);
}
.float-tag i{color:var(--accent);}
.float-tag.t1{top:28px;left:28px;}
.float-tag.t2{bottom:34px;right:28px;border-color:rgba(240,80,155,.45);}
.float-tag.t2 i{color:var(--hot);}

/* ---------- Art layout: sticky index + big cards ---------- */
.art-layout{display:grid;grid-template-columns:288px 1fr;gap:48px;align-items:start;}
.art-index{
  position:sticky;top:104px;
  border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:26px 22px;
  box-shadow:var(--shadow);
}
.art-index h3{font-size:15px;letter-spacing:.06em;color:var(--t3);text-transform:uppercase;font-weight:700;margin-bottom:16px;}
.art-index ol{counter-reset:idx;margin:0;padding:0;list-style:none;}
.art-index li{counter-increment:idx;border-bottom:1px solid var(--line);}
.art-index li:last-child{border-bottom:0;}
.art-index a{
  display:flex;align-items:baseline;gap:10px;padding:11px 0;
  font-size:14.5px;color:var(--t2);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.art-index a::before{
  content:counter(idx,decimal-leading-zero);
  font-family:"Space Grotesk",sans-serif;font-size:12px;color:rgba(124,147,255,.7);
}
.art-index a:hover{color:#fff;padding-left:4px;}
.art-index .idx-note{margin-top:16px;font-size:12.5px;color:var(--t3);line-height:1.7;}

.big-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.art-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.art-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:rgba(255,255,255,.18);
}
.art-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);box-shadow:var(--shadow-h);}
.art-card .num{
  position:absolute;top:14px;right:22px;
  font-family:"Space Grotesk",sans-serif;font-size:62px;font-weight:700;line-height:1;
  color:rgba(78,107,255,.22);letter-spacing:-.04em;pointer-events:none;
}
.art-card h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:12px;padding-right:56px;}
.art-card p{font-size:15.5px;color:var(--t2);margin:0;}
.art-card .art-thumb{margin-bottom:18px;border-radius:var(--r-img);overflow:hidden;}
.art-card .art-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.art-card:hover .art-thumb img{transform:scale(1.03);}
.art-card ul{margin-top:14px;}
.art-card ul li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--t2);line-height:1.8;
}
.art-card ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(34,211,238,.7);
}

/* ---------- Scene tabs ---------- */
.scene-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.scene-tabs button{
  padding:10px 20px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--t3);
  background:var(--glass);border:1px solid var(--glass-border);cursor:pointer;
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.scene-tabs button:hover{color:var(--t1);border-color:rgba(34,211,238,.4);}
.scene-tabs button.is-active{
  color:#fff;background:linear-gradient(135deg,rgba(78,107,255,.9),rgba(43,63,214,.9));
  border-color:rgba(124,147,255,.6);box-shadow:0 10px 28px -14px rgba(78,107,255,.9);
}
.scene-panel{
  border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow);
  padding:32px;
  display:none;
}
.scene-panel.is-active{display:block;animation:fadeIn .28s var(--ease);}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.scene-grid{display:grid;grid-template-columns:6fr 6fr;gap:36px;align-items:center;}
.scene-grid h3{font-size:24px;margin-bottom:18px;}
.scene-points li{
  position:relative;padding-left:34px;margin-bottom:14px;font-size:15.5px;color:var(--t2);
}
.scene-points li:last-child{margin-bottom:0;}
.scene-points li b{
  position:absolute;left:0;top:2px;
  font-family:"Space Grotesk",sans-serif;font-size:13px;font-weight:700;color:var(--accent);
  width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.35);
}
.scene-img{border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(255,255,255,.08);}
.scene-img img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ---------- Flow ---------- */
.flow-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.flow-item{
  padding:30px 24px 8px;border-right:1px solid var(--line);
  transition:background .24s var(--ease);
}
.flow-item:last-child{border-right:0;}
.flow-item:hover{background:rgba(255,255,255,.025);}
.flow-num{
  display:block;font-family:"Space Grotesk",sans-serif;font-size:34px;font-weight:700;
  color:rgba(78,107,255,.4);line-height:1;margin-bottom:16px;
}
.flow-item h3{font-size:19px;margin-bottom:10px;}
.flow-item p{font-size:14.5px;color:var(--t2);margin:0;}

/* ---------- Proof strip ---------- */
.proof-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.proof-main{
  border-radius:var(--r-card);overflow:hidden;position:relative;
  border:1px solid var(--glass-border);box-shadow:var(--shadow);
  min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px;
}
.proof-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.proof-main::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(7,11,20,.15) 20%,rgba(7,11,20,.92) 100%);
}
.proof-main > *{position:relative;z-index:2;}
.proof-main h3{font-size:26px;margin-bottom:10px;}
.proof-main p{font-size:15px;color:var(--t2);max-width:460px;margin-bottom:22px;}
.proof-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid rgba(255,255,255,.14);padding-top:20px;}
.proof-metrics .stat-num{font-size:32px;}
.proof-side{
  border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:30px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;justify-content:center;
}
.proof-side blockquote{
  margin:0 0 20px;padding-left:18px;border-left:3px solid var(--primary);
  font-size:17px;line-height:1.9;color:var(--t1);font-weight:500;
}
.proof-side .who{font-size:13.5px;color:var(--t3);letter-spacing:.03em;}

/* ---------- Pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  position:relative;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:30px 28px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.price-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);}
.price-card.featured{
  transform:translateY(-24px);
  border-color:rgba(124,147,255,.5);
  background:linear-gradient(180deg,rgba(78,107,255,.12),rgba(255,255,255,.045) 45%);
  box-shadow:0 30px 70px -26px rgba(78,107,255,.75);
}
.price-card.featured:hover{transform:translateY(-28px);}
.price-badge{
  position:absolute;top:-13px;right:24px;
  padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--hot),#B33E7A);
  box-shadow:0 10px 24px -10px rgba(240,80,155,.9);
}
.price-card h3{font-size:19px;margin-bottom:6px;}
.price-card .price-sub{font-size:13.5px;color:var(--t3);margin-bottom:20px;}
.price-amount{font-family:"Space Grotesk",sans-serif;font-size:44px;font-weight:700;color:var(--t1);line-height:1;letter-spacing:-.01em;}
.price-amount small{font-size:14px;color:var(--t3);font-weight:500;margin-left:6px;font-family:"Noto Sans TC",sans-serif;}
.price-list{margin:22px 0 26px;flex:1;}
.price-list li{
  font-size:14.5px;color:var(--t2);padding:11px 0;border-bottom:1px solid var(--line);
  display:flex;gap:10px;align-items:flex-start;
}
.price-list li:last-child{border-bottom:0;}
.price-list i{color:var(--accent);font-size:12px;margin-top:7px;flex:0 0 auto;}

/* ---------- FAQ ---------- */
.accordion-x{max-width:900px;}
.accordion-x .accordion-item{
  background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;
  margin-bottom:12px;overflow:hidden;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:border-color .24s var(--ease);
}
.accordion-x .accordion-item:hover{border-color:rgba(34,211,238,.3);}
.accordion-x .accordion-button{
  background:transparent;color:var(--t1);font-size:18px;font-weight:700;
  padding:20px 24px;box-shadow:none;border:0;line-height:1.5;
  transition:color .22s var(--ease),box-shadow .22s var(--ease);
}
.accordion-x .accordion-button:not(.collapsed){
  color:#fff;background:rgba(78,107,255,.07);
  box-shadow:inset 3px 0 0 var(--primary),inset 0 0 26px -8px rgba(78,107,255,.65);
}
.accordion-x .accordion-button:focus{box-shadow:inset 3px 0 0 var(--accent);outline:none;}
.accordion-x .accordion-button::after{
  content:"+";background-image:none;
  width:30px;height:30px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:500;color:var(--accent);
  border:1px solid rgba(34,211,238,.35);background:rgba(34,211,238,.08);
  transform:none;transition:transform .24s var(--ease),background .24s var(--ease);
  flex:0 0 auto;margin-left:16px;
}
.accordion-x .accordion-button:not(.collapsed)::after{
  content:"+";transform:rotate(45deg);
  background:rgba(34,211,238,.18);color:#9BF2FF;
}
.accordion-x .accordion-body{padding:0 24px 22px 24px;font-size:15.5px;color:var(--t2);line-height:1.9;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:26px;
  border:1px solid rgba(255,255,255,.12);
  padding:56px 48px;
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
  background:
    radial-gradient(620px 320px at 12% 12%,rgba(78,107,255,.24),transparent 62%),
    radial-gradient(520px 300px at 88% 88%,rgba(240,80,155,.16),transparent 65%),
    linear-gradient(180deg,rgba(11,17,32,.9),rgba(7,11,20,.94)),
    url("/assets/images/backpic/back-2.jpg");
  background-size:cover,cover,cover,cover;
  background-position:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:36px;font-weight:800;margin-bottom:12px;line-height:1.22;max-width:560px;}
.cta-band p{margin:0;color:var(--t2);font-size:16px;max-width:540px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-alt);
  padding:64px 0 0;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:280px;
  background:radial-gradient(560px 260px at 18% 0%,rgba(78,107,255,.12),transparent 70%);
  pointer-events:none;
}
.footer-grid{
  position:relative;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;color:var(--t3);max-width:320px;line-height:1.85;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row span{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--glass-border);color:var(--t3);font-size:14px;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.social-row span:hover{color:var(--accent);border-color:rgba(34,211,238,.4);}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--t1);letter-spacing:.03em;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14.5px;color:var(--t3);}
.footer-col ul a:hover{color:var(--accent);}
.sub-form label{display:block;font-size:13px;color:var(--t3);margin-bottom:8px;}
.input-row{margin-bottom:12px;}
.form-input{
  width:100%;height:48px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--glass-border);
  color:var(--t1);font-size:14.5px;padding:0 14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.form-input::placeholder{color:#55627c;}
.form-input:focus{
  outline:none;border-color:var(--accent);background:rgba(34,211,238,.06);
  box-shadow:0 0 0 3px rgba(34,211,238,.18);
}
.footer-note{font-size:12.5px;color:var(--t3);margin:12px 0 0;line-height:1.7;}
.footer-bottom{
  position:relative;
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* ---------- Offcanvas drawer ---------- */
.offcanvas.drawer{
  background:rgba(9,14,26,.98);
  color:var(--t2);border-right:1px solid var(--line);
  backdrop-filter:blur(18px);
  width:min(340px,86vw);
}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);}
.drawer-body{padding:22px;}
.drawer-nav a{
  display:block;padding:14px 16px;border-radius:12px;margin-bottom:8px;
  font-size:15.5px;color:var(--t2);background:rgba(255,255,255,.03);
  border:1px solid transparent;transition:all .22s var(--ease);
}
.drawer-nav a:hover{color:#fff;border-color:rgba(34,211,238,.35);}
.drawer-nav a.active{
  color:#fff;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 10px 26px -14px rgba(78,107,255,.9);
}
.drawer-cta{margin-top:22px;display:grid;gap:10px;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .hero-title{font-size:46px;}
  .sec-title{font-size:34px;}
  .nav-chips a{padding:8px 13px;font-size:13.5px;}
  .brand{font-size:16px;}
  .header-inner{gap:16px;}
  .price-grid{grid-template-columns:repeat(3,1fr);}
  .price-card.featured{transform:translateY(-16px);}
}
@media (max-width:991.98px){
  :root{--sec:76px;}
  .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-ghost{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-title{font-size:42px;}
  .hero-visual img{height:320px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px;}
  .art-layout{grid-template-columns:1fr;gap:28px;}
  .art-index{position:static;}
  .scene-grid{grid-template-columns:1fr;gap:26px;}
  .proof-grid{grid-template-columns:1fr;}
  .flow-list{grid-template-columns:repeat(2,1fr);}
  .flow-item:nth-child(2){border-right:0;}
  .flow-item:nth-child(1),.flow-item:nth-child(2){border-bottom:1px solid var(--line);}
  .price-grid{grid-template-columns:1fr;gap:20px;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .cta-band h2{font-size:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .accordion-x .accordion-button{font-size:16.5px;padding:18px 20px;}
}
@media (max-width:767.98px){
  :root{--sec:56px;}
  .container-x{padding:0 20px;}
  .section{padding:var(--sec) 0;}
  .hero-cat{padding:64px 0 60px;}
  .hero-title{font-size:32px;letter-spacing:-.01em;}
  .hero-lead{font-size:16px;}
  .sec-title{font-size:26px;}
  .sec-head{margin-bottom:34px;}
  .big-grid{grid-template-columns:1fr;}
  .art-card{padding:22px;}
  .art-card .num{font-size:44px;top:10px;right:16px;}
  .art-card h3{font-size:19px;padding-right:46px;}
  .flow-list{grid-template-columns:1fr;}
  .flow-item{border-right:0;border-bottom:1px solid var(--line);padding:24px 18px 20px;}
  .flow-item:last-child{border-bottom:0;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px;}
  .stat-num{font-size:30px;}
  .scene-tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;mask-image:linear-gradient(90deg,#000 88%,transparent 100%);}
  .scene-tabs button{flex:0 0 auto;}
  .scene-panel{padding:22px;}
  .proof-main{padding:24px;min-height:300px;}
  .proof-main h3{font-size:21px;}
  .proof-metrics{grid-template-columns:1fr 1fr 1fr;gap:12px;}
  .proof-metrics .stat-num{font-size:24px;}
  .proof-side{padding:24px;}
  .cta-band{padding:34px 22px;border-radius:20px;}
  .cta-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .btn{width:100%;}
  .header-actions .btn{width:auto;}
  .drawer-cta .btn{width:100%;}
  .price-card{padding:24px 22px;}
}
@media (max-width:575.98px){
  .art-card{padding:20px;}
  .hero-cta .btn{width:100%;}
  .brand{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}