/* roulang page: index */
/* ============ 設計變數 ============ */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1727;
  --glass:rgba(16,26,44,.55);
  --glass-2:rgba(10,17,32,.72);
  --stroke:rgba(120,190,255,.14);
  --stroke-strong:rgba(58,224,255,.38);
  --primary:#3AE0FF;
  --secondary:#7B6BFF;
  --accent:#FFC46B;
  --text:#E8F1FF;
  --text-muted:#93A4BF;
  --text-dim:#5F7089;
  --grad:linear-gradient(135deg,#3AE0FF,#7B6BFF);
  --glow:0 0 0 1px rgba(58,224,255,.35),0 8px 32px rgba(58,224,255,.22);
  --radius-lg:24px;
  --radius:20px;
  --radius-sm:14px;
  --pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --section-y:112px;
  --inset-hi:inset 0 1px 0 rgba(255,255,255,.06);
}

/* ============ 基礎重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI","PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.3;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 6px rgba(58,224,255,.16);border-radius:8px;}
::selection{background:rgba(58,224,255,.3);color:#fff;}

/* ============ 版面容器 ============ */
.container{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--section-y) 0;position:relative;}
.section-tight{padding:calc(var(--section-y) * .72) 0;}
.section-head{max-width:760px;margin-bottom:56px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--pill);
  background:rgba(58,224,255,.08);
  border:1px solid rgba(58,224,255,.26);
  color:var(--primary);
  font-size:12.5px;font-weight:500;letter-spacing:.16em;
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);}
.section-title{font-size:clamp(26px,3.2vw,40px);line-height:1.28;margin-bottom:16px;}
.section-desc{color:var(--text-muted);font-size:16px;line-height:1.85;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.num{font-family:"Space Grotesk","Inter",sans-serif;font-variant-numeric:tabular-nums;}

/* ============ 按鈕 ============ */
.btn-glow,.btn-ghost,.btn-quiet{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 28px;border-radius:var(--pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  border:0;cursor:pointer;
  transition:transform .24s var(--ease),filter .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-glow{background:var(--grad);color:#04121C;box-shadow:var(--glow);}
.btn-glow:hover,.btn-glow:focus-visible{color:#04121C;transform:translateY(-2px);filter:brightness(1.06);}
.btn-ghost{
  background:rgba(255,255,255,.03);color:var(--text);
  border:1px solid var(--stroke);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover,.btn-ghost:focus-visible{background:rgba(255,255,255,.07);border-color:var(--stroke-strong);color:#fff;transform:translateY(-2px);}
.btn-quiet{
  background:transparent;color:var(--primary);padding:0 4px;min-height:auto;font-weight:700;
}
.btn-quiet::after{content:"→";transition:transform .24s var(--ease);}
.btn-quiet:hover::after{transform:translateX(4px);}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px;}
.btn-lg{min-height:54px;padding:0 36px;font-size:16px;}

/* ============ 玻璃卡 ============ */
.glass{
  position:relative;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--inset-hi);
}
.glass::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.55),transparent);
  opacity:.65;pointer-events:none;
}

/* ============ 頁首導覽 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(6,12,24,.74);
  backdrop-filter:blur(20px) saturate(150%);
  border-bottom:1px solid rgba(120,190,255,.1);
}
.nav-wrap{display:flex;align-items:center;height:76px;position:relative;}
.brand{display:flex;flex-direction:column;line-height:1.05;flex:0 0 auto;}
.brand-main{
  font-family:"Space Grotesk","Noto Sans TC",sans-serif;
  font-weight:800;letter-spacing:-.02em;font-size:20px;
  background:linear-gradient(135deg,#FFFFFF,#9FD8FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{
  font-size:11px;letter-spacing:.32em;color:var(--text-muted);margin-top:4px;
  font-weight:500;
}
.nav-chips{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;
  padding:6px;border-radius:var(--pill);
  background:rgba(16,26,44,.6);
  border:1px solid var(--stroke);
  backdrop-filter:blur(18px);
}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:var(--pill);
  font-size:14px;font-weight:500;color:var(--text-muted);
  white-space:nowrap;
  transition:background-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.chip:hover{background:rgba(255,255,255,.06);color:#fff;}
.chip.is-active{
  background:var(--grad);color:#04121C;font-weight:700;
  box-shadow:0 4px 18px rgba(58,224,255,.28);
}
.chip.is-active:hover{color:#04121C;}
.nav-divider{width:1px;height:28px;background:rgba(120,190,255,.18);margin:0 24px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);border-radius:14px;
  cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .24s var(--ease),opacity .24s var(--ease);}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:min(88vh,820px);
  display:flex;align-items:center;
  padding:96px 0 150px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,8,15,.97) 0%,rgba(5,8,15,.88) 40%,rgba(10,17,32,.55) 100%);
}
.hero-glow{
  position:absolute;right:-14%;top:-24%;width:62vw;height:62vw;
  background:radial-gradient(circle at center,rgba(58,224,255,.20),rgba(123,107,255,.12) 46%,transparent 72%);
  filter:blur(18px);pointer-events:none;
}
.hero-noise{
  position:absolute;inset:0;pointer-events:none;opacity:.30;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:3px 3px;
}
.hero-inner{position:relative;z-index:2;max-width:800px;}
.hero h1{
  font-size:clamp(32px,5vw,62px);
  line-height:1.15;
  font-weight:900;
  margin-bottom:22px;
}
.hero-lead{
  font-size:clamp(15px,1.4vw,18px);
  line-height:1.9;
  color:var(--text-muted);
  max-width:640px;
  margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats-wrap{position:relative;z-index:3;margin-top:-56px;margin-bottom:-56px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--radius);overflow:hidden;
  background:var(--glass-2);
  border:1px solid var(--stroke);
  backdrop-filter:blur(20px) saturate(150%);
  box-shadow:var(--inset-hi),0 24px 60px rgba(0,0,0,.45);
}
.hero-stat{
  padding:26px 24px;
  border-right:1px solid rgba(120,190,255,.12);
}
.hero-stat:last-child{border-right:0;}
.hero-stat .num{
  display:block;font-size:clamp(26px,3vw,36px);font-weight:700;line-height:1.1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stat .label{display:block;font-size:13px;color:var(--text-muted);margin-top:8px;}

/* ============ 痛點區 ============ */
.pain-grid{display:grid;grid-template-columns:3fr 9fr;gap:56px;align-items:start;}
.pain-aside{position:sticky;top:112px;align-self:start;}
.pain-flow{display:flex;flex-direction:column;gap:22px;}
.pain-card{
  padding:28px 30px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--stroke);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--inset-hi);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.pain-card:nth-child(2){margin-left:44px;}
.pain-card:nth-child(3){margin-right:44px;}
.pain-card:nth-child(4){margin-left:44px;}
.pain-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:var(--inset-hi),0 16px 44px rgba(58,224,255,.14);}
.pain-num{
  font-family:"Space Grotesk",sans-serif;font-size:13px;font-weight:700;
  letter-spacing:.18em;color:var(--accent);
  border:1px solid rgba(255,196,107,.32);
  border-radius:var(--pill);
  display:inline-block;padding:2px 12px;margin-bottom:14px;
}
.pain-card h3{font-size:19px;margin-bottom:10px;}
.pain-card p{color:var(--text-muted);font-size:15px;line-height:1.85;}

/* ============ 方案區 ============ */
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.solution-media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--stroke);
  aspect-ratio:16/10;
  box-shadow:var(--inset-hi),0 0 60px rgba(58,224,255,.10) inset;
}
.solution-media img{width:100%;height:100%;object-fit:cover;}
.solution-badge{
  position:absolute;right:18px;bottom:18px;
  padding:12px 18px;border-radius:var(--radius-sm);
  background:rgba(6,12,24,.82);
  border:1px solid var(--stroke-strong);
  backdrop-filter:blur(16px);
  font-size:13px;color:var(--text);
  box-shadow:0 0 24px rgba(58,224,255,.22);
}
.solution-badge strong{display:block;font-family:"Space Grotesk",sans-serif;font-size:20px;color:var(--primary);line-height:1.2;}
.step-list{display:flex;flex-direction:column;}
.step-item{
  display:flex;gap:20px;padding:24px 0;
  border-top:1px solid rgba(120,190,255,.12);
}
.step-item:first-child{border-top:0;padding-top:0;}
.step-item:last-child{padding-bottom:0;}
.step-index{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:15px;
  color:var(--primary);
  background:rgba(58,224,255,.08);
  border:1px solid rgba(58,224,255,.3);
}
.step-body h3{font-size:18px;margin-bottom:6px;}
.step-body p{font-size:14.5px;color:var(--text-muted);line-height:1.8;}

/* ============ 成果數據帶 ============ */
.metrics-band{
  background:var(--bg-1);
  border-top:1px solid var(--stroke);
  border-bottom:1px solid var(--stroke);
  position:relative;overflow:hidden;
}
.metrics-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(120,190,255,.06) 0 1px,transparent 1px 60px);
  opacity:.5;
}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;}
.metric-card{position:relative;padding-left:24px;}
.metric-card::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:2px;border-radius:2px;
  background:var(--grad);box-shadow:0 0 14px rgba(58,224,255,.6);
}
.metric-num{
  font-family:"Space Grotesk",sans-serif;
  font-size:clamp(38px,5vw,66px);font-weight:700;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:10px;
}
.metric-label{font-size:15px;font-weight:700;margin-bottom:6px;}
.metric-desc{font-size:13.5px;color:var(--text-muted);line-height:1.75;}

/* ============ 最新資訊 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.news-head .section-head{margin-bottom:0;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  overflow:hidden;
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--inset-hi);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:var(--inset-hi),0 18px 46px rgba(58,224,255,.16);}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-cat{
  position:absolute;left:14px;top:14px;
  padding:4px 12px;border-radius:var(--pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:rgba(6,12,24,.8);
  color:var(--accent);
  border:1px solid rgba(255,196,107,.4);
  backdrop-filter:blur(10px);
}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-title{
  font-size:17px;line-height:1.55;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:53px;
}
.news-excerpt{
  font-size:14px;color:var(--text-muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  min-height:76px;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;
  border-top:1px solid rgba(120,190,255,.1);
  font-size:12.5px;color:var(--text-dim);
}
.news-meta .more{color:var(--primary);font-weight:700;font-size:13px;}
.news-empty{
  grid-column:1 / -1;
  padding:56px 32px;text-align:center;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px dashed rgba(120,190,255,.28);
  backdrop-filter:blur(18px);
}
.news-empty .icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:"Space Grotesk",sans-serif;font-size:24px;color:var(--primary);
  background:rgba(58,224,255,.1);border:1px solid rgba(58,224,255,.3);
}
.news-empty p{color:var(--text-muted);margin-bottom:22px;font-size:15px;}

/* ============ 證言 ============ */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.testi-card{
  padding:30px 28px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--stroke);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--inset-hi);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.testi-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);}
.testi-card.featured{transform:translateY(-8px);border-color:rgba(58,224,255,.3);}
.testi-avatar{
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#04121C;
  font-weight:800;font-size:16px;margin-bottom:18px;
  font-family:"Space Grotesk",sans-serif;
}
.testi-quote{font-size:15px;line-height:1.9;color:var(--text);margin-bottom:20px;}
.testi-name{font-size:14px;font-weight:700;}
.testi-role{font-size:12.5px;color:var(--text-dim);margin-top:2px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq{
  --bs-accordion-bg:transparent;
  --bs-accordion-color:var(--text);
  --bs-accordion-btn-color:var(--text);
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:var(--primary);
  --bs-accordion-border-width:0;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-body-bg:transparent;
  --bs-accordion-body-color:var(--text-muted);
}
.faq .accordion-item{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--inset-hi);
  transition:border-color .24s var(--ease);
}
.faq .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--stroke-strong);
}
.faq .accordion-button{
  position:relative;
  background:transparent;
  color:var(--text);
  font-weight:700;
  font-size:16px;
  padding:20px 60px 20px 22px;
  box-shadow:none;
  border:0;
  line-height:1.6;
}
.faq .accordion-button:hover{color:var(--primary);}
.faq .accordion-button::after{
  content:"+";
  background-image:none !important;
  width:auto;height:auto;
  font-size:24px;font-weight:400;line-height:1;
  color:var(--primary);
  position:absolute;right:22px;top:50%;
  transform:translateY(-50%);
  transition:transform .3s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);}
.faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad);box-shadow:0 0 14px rgba(58,224,255,.8);
}
.faq .accordion-body{
  padding:0 60px 24px 22px;
  font-size:15px;line-height:1.9;color:var(--text-muted);
}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid rgba(58,224,255,.22);
  background:
    linear-gradient(115deg,rgba(58,224,255,.10),rgba(123,107,255,.10) 55%,rgba(5,8,15,0) 100%),
    var(--bg-1);
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.8),transparent);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  position:relative;
}
.cta-inner h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px;}
.cta-inner p{color:var(--text-muted);font-size:15.5px;max-width:640px;line-height:1.85;}

/* ============ 頁尾 ============ */
.site-footer{background:var(--bg-0);border-top:1px solid rgba(120,190,255,.1);padding-top:72px;position:relative;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.5),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:48px;
  padding-bottom:56px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--text-muted);line-height:1.9;max-width:340px;}
.footer-title{
  font-size:14px;font-weight:700;color:var(--primary);
  letter-spacing:.08em;margin-bottom:18px;
}
.footer-list li{margin-bottom:12px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-muted);line-height:1.7;}
.footer-list a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(120,190,255,.1);
  padding:22px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-dim);
  max-width:1320px;margin:0 auto;
}

/* ============ 響應式 ============ */
@media (max-width:1399px){
  .pain-grid{grid-template-columns:4fr 8fr;gap:44px;}
}
@media (max-width:1199px){
  :root{--section-y:96px;}
  .solution-grid{gap:44px;}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;}
}
@media (max-width:991px){
  :root{--section-y:88px;}
  .nav-toggle{display:flex;}
  .nav-divider{display:none;}
  .nav-cta{display:none;}
  .nav-chips{
    position:absolute;left:-24px;right:-24px;top:100%;
    margin-left:0;
    display:none;
    flex-direction:row;flex-wrap:nowrap;
    overflow-x:auto;
    border-radius:0;
    border-left:0;border-right:0;
    background:rgba(6,12,24,.97);
    padding:14px 24px;
    gap:8px;
    box-shadow:0 18px 40px rgba(0,0,0,.5);
  }
  .nav-chips::-webkit-scrollbar{display:none;}
  .nav-open .nav-chips{display:flex;}
  .hero{min-height:auto;padding:80px 0 130px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-stat:nth-child(2){border-right:0;}
  .hero-stat:nth-child(1),.hero-stat:nth-child(2){border-bottom:1px solid rgba(120,190,255,.12);}
  .pain-grid{grid-template-columns:1fr;gap:36px;}
  .pain-aside{position:static;}
  .pain-card:nth-child(n){margin-left:0;margin-right:0;}
  .solution-grid{grid-template-columns:1fr;gap:36px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .testi-grid{grid-template-columns:1fr;gap:18px;}
  .testi-card.featured{transform:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  :root{--section-y:64px;}
  .container{padding:0 20px;}
  .nav-wrap{height:68px;}
  .nav-chips{left:-20px;right:-20px;padding:12px 20px;}
  .hero{padding:64px 0 110px;}
  .hero-lead{font-size:15px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{flex:1 1 auto;}
  .hero-stats-wrap{margin-top:-40px;margin-bottom:-40px;}
  .news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .section-head{margin-bottom:36px;}
  .metric-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .faq .accordion-button{font-size:15px;padding:18px 52px 18px 18px;}
  .faq .accordion-body{padding:0 52px 20px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;padding:20px;}
}
@media (max-width:575px){
  .hero h1{font-size:28px;}
  .hero-stat{padding:20px 16px;}
  .step-item{gap:14px;}
  .btn-glow,.btn-ghost{padding:0 22px;font-size:14px;}
  .news-excerpt{min-height:auto;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .news-card:hover,.pain-card:hover,.testi-card:hover,.btn-glow:hover{transform:none;}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1727;
  --glass:rgba(16,26,44,.55);
  --glass-solid:rgba(9,15,28,.94);
  --stroke:rgba(120,190,255,.14);
  --stroke-strong:rgba(58,224,255,.38);
  --primary:#3AE0FF;
  --secondary:#7B6BFF;
  --accent:#FFC46B;
  --text:#E8F1FF;
  --text-muted:#93A4BF;
  --text-dim:#5F7089;
  --grad:linear-gradient(135deg,#3AE0FF,#7B6BFF);
  --glow:0 0 0 1px rgba(58,224,255,.35), 0 8px 32px rgba(58,224,255,.22);
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06), 0 18px 46px rgba(0,0,0,.38);
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1320px;
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans TC","Microsoft JhengHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(1000px 620px at 8% -8%, rgba(58,224,255,.10), transparent 62%),
    radial-gradient(900px 560px at 96% 4%, rgba(123,107,255,.12), transparent 60%),
    radial-gradient(1200px 700px at 50% 110%, rgba(58,224,255,.05), transparent 70%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .24s var(--ease),opacity .24s var(--ease);}
a:hover{color:#8defff;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.02em;color:var(--text);line-height:1.25;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 5px rgba(58,224,255,.18);border-radius:6px;}
.num{font-family:"Space Grotesk","Noto Sans TC",sans-serif;letter-spacing:-.01em;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  height:var(--header-h);
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  border-bottom:1px solid var(--stroke);
}
.nav-wrap{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  height:var(--header-h);
}
.brand{
  display:flex;
  flex-direction:column;
  justify-content:center;
  flex:0 0 auto;
  line-height:1.05;
  color:var(--text);
}
.brand:hover{color:var(--text);}
.brand-main{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.02em;
  background:linear-gradient(120deg,#ffffff,#9fe9ff 55%,#b6aaff);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.brand-sub{
  margin-top:3px;
  font-size:11px;
  letter-spacing:.34em;
  color:var(--text-muted);
  font-weight:500;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  padding:6px;
  border-radius:var(--r-pill);
  background:rgba(16,26,44,.5);
  border:1px solid var(--stroke);
  backdrop-filter:blur(14px);
}
.chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--text-muted);
  white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.chip:hover{background:rgba(255,255,255,.06);color:#fff;}
.chip.is-active{
  background:var(--grad);
  color:#05080F;
  font-weight:700;
  box-shadow:0 6px 20px rgba(58,224,255,.28);
}
.nav-divider{
  width:1px;
  height:24px;
  background:var(--stroke);
  flex:0 0 auto;
}
.btn-glow,.btn-ghost,.btn-quiet{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  border-radius:var(--r-pill);
  font-weight:700;
  font-size:15px;
  border:0;
  cursor:pointer;
  transition:transform .24s var(--ease),filter .24s var(--ease),background .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-glow{
  padding:0 26px;
  background:var(--grad);
  color:#04121a;
  box-shadow:var(--glow);
}
.btn-glow:hover{filter:brightness(1.06);transform:translateY(-2px);color:#04121a;}
.btn-ghost{
  padding:0 24px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--stroke);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(58,224,255,.10);border-color:var(--stroke-strong);color:#fff;transform:translateY(-2px);}
.btn-quiet{
  padding:0;
  min-height:auto;
  background:none;
  color:var(--primary);
  font-weight:500;
  font-size:14px;
}
.btn-quiet i{transition:transform .24s var(--ease);}
.btn-quiet:hover{color:#8defff;}
.btn-quiet:hover i{transform:translateX(4px);}
.btn-sm{min-height:38px;font-size:13px;padding:0 18px;}
.nav-cta{flex:0 0 auto;}

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:44px;
  height:44px;
  margin-left:auto;
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--stroke);
  cursor:pointer;
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .24s var(--ease),opacity .24s var(--ease);}
.nav-toggle:hover{background:rgba(58,224,255,.10);border-color:var(--stroke-strong);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ Article dome ============ */
.article-dome{
  position:relative;
  overflow:hidden;
  padding:48px 0 44px;
  min-height:240px;
  display:flex;
  align-items:flex-end;
  background:
    radial-gradient(120% 150% at 0% 0%, rgba(58,224,255,.18), transparent 58%),
    radial-gradient(90% 130% at 92% 6%, rgba(123,107,255,.16), transparent 62%),
    linear-gradient(180deg,#0A1120 0%,#05080F 100%);
  border-bottom:1px solid var(--stroke);
}
.article-dome::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:3px 3px;
  opacity:.35;
  pointer-events:none;
}
.dome-inner{position:relative;z-index:2;width:100%;}
.breadcrumb-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-dim);
  margin-bottom:18px;
}
.breadcrumb-line a{color:var(--text-muted);}
.breadcrumb-line a:hover{color:var(--primary);}
.breadcrumb-line .sep{opacity:.5;}
.breadcrumb-line .current{color:var(--accent);}
.article-title{
  font-size:clamp(26px,3.6vw,46px);
  line-height:1.22;
  max-width:1000px;
  margin-bottom:20px;
  overflow-wrap:anywhere;
}
.meta-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 14px;
  font-size:14px;
  color:var(--text-muted);
}
.meta-line .dot{width:4px;height:4px;border-radius:50%;background:var(--text-dim);display:inline-block;}
.badge-cat{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 14px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  color:#1a1200;
  background:linear-gradient(135deg,#FFC46B,#ffd79a);
}

/* ============ Article layout ============ */
.article-main{padding:64px 0 92px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:32px;
  align-items:start;
}
.article-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:24px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:clamp(22px,3vw,44px);
  overflow:hidden;
}
.article-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.7),transparent);
  opacity:.7;
}

.article-content{
  max-width:760px;
  font-size:17px;
  line-height:1.95;
  color:var(--text-muted);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-content p{margin:0 0 1.4em;}
.article-content h2{
  position:relative;
  margin:48px 0 18px;
  padding-left:16px;
  font-size:22px;
  color:var(--text);
}
.article-content h2::before{
  content:"";
  position:absolute;
  left:0;top:5px;bottom:5px;
  width:4px;
  border-radius:2px;
  background:var(--grad);
}
.article-content h3{
  margin:32px 0 12px;
  font-size:18px;
  color:var(--primary);
}
.article-content h4{
  margin:26px 0 10px;
  font-size:16px;
  color:var(--text);
}
.article-content a{color:var(--primary);border-bottom:1px solid rgba(58,224,255,.35);}
.article-content a:hover{color:#8defff;border-bottom-color:#8defff;}
.article-content strong{color:var(--text);font-weight:700;}
.article-content img{
  max-width:100%;
  height:auto;
  margin:26px 0;
  border-radius:16px;
  border:1px solid var(--stroke);
}
.article-content figure{margin:26px 0;}
.article-content figcaption{font-size:13px;color:var(--text-dim);text-align:center;margin-top:10px;}
.article-content blockquote{
  margin:28px 0;
  padding:20px 24px;
  border-left:3px solid var(--primary);
  border-radius:0 16px 16px 0;
  background:var(--glass);
  color:var(--text);
  font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:2px;}
.article-content ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
}
.article-content ul li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--grad);
  transform:rotate(45deg);
}
.article-content ol{counter-reset:artol;}
.article-content ol li{
  position:relative;
  padding-left:30px;
  margin-bottom:10px;
  counter-increment:artol;
}
.article-content ol li::before{
  content:counter(artol);
  position:absolute;
  left:0;top:.15em;
  font-family:"Space Grotesk",sans-serif;
  font-size:13px;
  font-weight:700;
  color:var(--primary);
}
.article-content table{
  width:100%;
  margin:26px 0;
  border-collapse:collapse;
  font-size:15px;
  border:1px solid var(--stroke);
  border-radius:14px;
  overflow:hidden;
}
.article-content th{
  background:rgba(58,224,255,.10);
  color:var(--text);
  font-weight:700;
  text-align:left;
  padding:12px 16px;
  border-bottom:1px solid var(--stroke);
}
.article-content td{
  padding:12px 16px;
  border-bottom:1px solid rgba(120,190,255,.09);
  color:var(--text-muted);
}
.article-content tr:last-child td{border-bottom:0;}
.article-content hr{
  border:0;
  height:1px;
  margin:36px 0;
  background:linear-gradient(90deg,transparent,var(--stroke),transparent);
}
.article-content code{
  font-family:"Space Grotesk",monospace;
  font-size:.9em;
  padding:2px 7px;
  border-radius:6px;
  background:rgba(58,224,255,.10);
  color:var(--primary);
}

.empty-state{
  text-align:center;
  padding:64px 24px;
  border-radius:20px;
  background:var(--glass);
  border:1px dashed var(--stroke);
}
.empty-state i{font-size:34px;color:var(--primary);margin-bottom:16px;display:block;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--text-muted);margin-bottom:22px;font-size:15px;}

/* article footer bits */
.article-foot{
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid var(--stroke);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--text-muted);
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);
  transition:all .24s var(--ease);
}
.tag:hover{color:var(--primary);border-color:var(--stroke-strong);background:rgba(58,224,255,.08);}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.share-row .label{font-size:13px;color:var(--text-dim);margin-right:4px;}
.share-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  min-height:38px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--text-muted);
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);
  cursor:pointer;
  transition:all .24s var(--ease);
}
.share-btn:hover{color:#fff;border-color:var(--stroke-strong);background:rgba(58,224,255,.10);transform:translateY(-2px);}
.back-link{margin-top:26px;display:inline-flex;}

/* ============ Sidebar ============ */
.side-col{position:sticky;top:calc(var(--header-h) + 20px);display:flex;flex-direction:column;gap:20px;}
.side-card{
  position:relative;
  padding:24px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.side-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(123,107,255,.6),transparent);
}
.side-title{
  font-size:14px;
  letter-spacing:.14em;
  color:var(--primary);
  font-weight:700;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.info-list li{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding:11px 0;
  font-size:14px;
  border-bottom:1px dashed rgba(120,190,255,.12);
}
.info-list li:last-child{border-bottom:0;padding-bottom:0;}
.info-list .k{color:var(--text-dim);flex:0 0 auto;}
.info-list .v{color:var(--text);text-align:right;overflow-wrap:anywhere;}
.side-links li{margin-bottom:4px;}
.side-links a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  border-radius:var(--r-md);
  font-size:14px;
  color:var(--text-muted);
  transition:all .24s var(--ease);
}
.side-links a:hover{background:rgba(58,224,255,.08);color:#fff;transform:translateX(3px);}
.side-links i{color:var(--primary);font-size:12px;}
.side-cta{
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(58,224,255,.18), transparent 60%),
    var(--glass);
  text-align:left;
}
.side-cta h3{font-size:18px;margin-bottom:10px;}
.side-cta p{font-size:14px;color:var(--text-muted);margin-bottom:18px;}
.side-cta .btn-glow{width:100%;}

/* ============ Related ============ */
.related-section{padding:0 0 96px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{font-size:14px;color:var(--text-muted);margin-top:8px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--stroke);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:0 20px 46px rgba(58,224,255,.16);}
.news-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-2);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-badge{
  position:absolute;
  top:12px;left:12px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  color:#04121a;
  background:var(--grad);
}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card h3{font-size:17px;line-height:1.5;}
.news-card h3 a{color:var(--text);}
.news-card h3 a:hover{color:var(--primary);}
.news-card p{
  font-size:14px;
  color:var(--text-muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-dim);
  padding-top:8px;
}
.news-meta .more{color:var(--primary);font-weight:500;}

/* ============ CTA band ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:64px 0;
  border-top:1px solid rgba(58,224,255,.22);
  border-bottom:1px solid rgba(58,224,255,.12);
  background:
    linear-gradient(115deg, rgba(58,224,255,.13), rgba(123,107,255,.16) 55%, rgba(58,224,255,.06));
}
.cta-band::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.85),transparent);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:12px;}
.cta-inner p{font-size:15px;color:var(--text-muted);max-width:620px;}

/* ============ Footer ============ */
.site-footer{
  background:var(--bg-0);
  border-top:1px solid var(--stroke);
  position:relative;
  padding-top:64px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.55),rgba(123,107,255,.45),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:var(--text-muted);
  max-width:340px;
}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:.08em;
  margin-bottom:16px;
}
.footer-list li{margin-bottom:11px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-muted);}
.footer-list a:hover{color:#fff;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 24px;
  border-top:1px solid rgba(120,190,255,.10);
  font-size:12px;
  color:var(--text-dim);
  max-width:var(--container);
  margin:0 auto;
}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .side-col{position:static;top:auto;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-chips{
    display:none;
    position:absolute;
    left:0;right:0;
    top:calc(var(--header-h) + 8px);
    flex-direction:column;
    align-items:stretch;
    margin-left:0;
    padding:12px;
    gap:4px;
    border-radius:20px;
    background:var(--glass-solid);
    border:1px solid var(--stroke);
    box-shadow:0 24px 60px rgba(0,0,0,.6);
    z-index:1001;
  }
  .nav-chips.is-open{display:flex;}
  .chip{height:44px;justify-content:flex-start;}
  .nav-divider{display:none;}
  .nav-cta{min-height:44px;}
  .article-dome{padding:40px 0 34px;}
  .article-main{padding:48px 0 72px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding:20px;}
  .cta-band{padding:48px 0;}
  .related-section{padding-bottom:64px;}
}
@media (max-width:575px){
  :root{--header-h:68px;}
  .brand-main{font-size:18px;}
  .brand-sub{font-size:10px;letter-spacing:.28em;}
  .nav-cta{padding:0 14px;font-size:12px;}
  .article-card{padding:20px;border-radius:18px;}
  .article-content{font-size:16px;line-height:1.9;}
  .article-content h2{font-size:20px;}
  .article-title{font-size:24px;}
  .meta-line{font-size:13px;}
  .side-card{padding:20px;border-radius:18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1727;
  --glass:rgba(16,26,44,.55);
  --glass-soft:rgba(16,26,44,.36);
  --stroke:rgba(120,190,255,.14);
  --stroke-strong:rgba(58,224,255,.38);
  --primary:#3AE0FF;
  --secondary:#7B6BFF;
  --accent:#FFC46B;
  --text:#E8F1FF;
  --text-muted:#93A4BF;
  --text-dim:#5F7089;
  --grad:linear-gradient(135deg,#3AE0FF,#7B6BFF);
  --glow:0 0 0 1px rgba(58,224,255,.35), 0 8px 32px rgba(58,224,255,.22);
  --radius-card:20px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06), 0 18px 48px rgba(2,6,16,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
  --section-y:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 82% -6%, rgba(123,107,255,.20), transparent 62%),
    radial-gradient(760px 460px at 6% 4%, rgba(58,224,255,.14), transparent 64%);
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--primary);}
img{max-width:100%;display:block;}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.02em;line-height:1.25;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 4px rgba(58,224,255,.18);border-radius:6px;}
.container{width:100%;max-width:1320px;margin:0 auto;padding-left:24px;padding-right:24px;}
.num{font-family:"Space Grotesk",Inter,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  height:76px;
  display:flex;align-items:center;
  background:rgba(8,14,26,.62);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  backdrop-filter:blur(20px) saturate(150%);
  border-bottom:1px solid var(--stroke);
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,11,21,.88);border-bottom-color:rgba(58,224,255,.22);}
.nav-wrap{display:flex;align-items:center;gap:24px;position:relative;}
.brand{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto;}
.brand-main{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--text);}
.brand-sub{font-size:11px;letter-spacing:.34em;color:var(--primary);margin-top:3px;text-transform:uppercase;}
.brand:hover .brand-main{color:#fff;}
.brand:hover .brand-sub{color:var(--secondary);}
.nav-chips{
  display:flex;align-items:center;gap:4px;
  padding:6px;
  background:var(--glass-soft);
  border:1px solid var(--stroke);
  border-radius:var(--radius-pill);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  margin-left:8px;
}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;
  font-size:14px;font-weight:500;color:var(--text-muted);
  border-radius:var(--radius-pill);
  white-space:nowrap;
  transition:all .24s var(--ease);
}
.chip:hover{background:rgba(255,255,255,.06);color:var(--text);}
.chip.is-active{
  background:var(--grad);
  color:#04121B;
  font-weight:700;
  box-shadow:0 6px 20px rgba(58,224,255,.28);
}
.nav-divider{width:1px;height:26px;background:var(--stroke);margin-left:auto;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--stroke);border-radius:12px;background:var(--glass-soft);
  padding:0;cursor:pointer;position:relative;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--text);border-radius:2px;
  margin:4px auto;transition:transform .26s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ Buttons ============ */
.btn-glow,.btn-ghost,.btn-quiet{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;border-radius:var(--radius-pill);
  font-weight:700;font-size:15px;
  transition:all .24s var(--ease);border:1px solid transparent;cursor:pointer;
}
.btn-glow{
  background:var(--grad);color:#04121B;
  padding:0 26px;
  box-shadow:0 8px 26px rgba(58,224,255,.28);
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.06);color:#04121B;box-shadow:0 12px 34px rgba(58,224,255,.38);}
.btn-glow:active{transform:translateY(0);}
.btn-ghost{
  background:rgba(255,255,255,.02);
  border:1px solid var(--stroke-strong);
  color:var(--text);padding:0 24px;
}
.btn-ghost:hover{background:var(--glass);transform:translateY(-2px);color:var(--text);border-color:var(--primary);}
.btn-quiet{background:none;border:none;color:var(--primary);padding:0;min-height:auto;font-weight:500;}
.btn-quiet:hover{color:#fff;gap:12px;}
.btn-sm{min-height:38px;font-size:13.5px;padding:0 20px;}
.btn-lg{min-height:52px;font-size:16px;padding:0 32px;}
.nav-cta{flex:0 0 auto;margin-left:32px;}

/* ============ Section base ============ */
main{position:relative;z-index:1;}
.section{padding:var(--section-y) 0;}
.section-alt{background:linear-gradient(180deg,rgba(10,17,32,.9),rgba(5,8,15,.2));border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.24em;color:var(--primary);font-weight:700;
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px;}
.section-head p{color:var(--text-muted);font-size:16px;}

/* ============ Breadcrumb ============ */
.crumb{padding:26px 0 0;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);}
.crumb-list a{color:var(--text-muted);}
.crumb-list a:hover{color:var(--primary);}
.crumb-list .sep{opacity:.5;}
.crumb-list .current{color:var(--accent);}

/* ============ Category hero ============ */
.cat-hero{padding:36px 0 0;}
.cat-hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:stretch;
}
.cat-hero-card{
  position:relative;overflow:hidden;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:26px;
  padding:clamp(26px,3.4vw,48px);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;justify-content:center;min-height:320px;
}
.cat-hero-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.75),transparent);
}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:900;margin:10px 0 18px;
}
.cat-hero h1 .accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-hero-lead{color:var(--text-muted);font-size:clamp(15px,1.3vw,17px);max-width:54ch;margin-bottom:28px;}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cat-hero-media{
  position:relative;min-height:320px;border-radius:26px;overflow:hidden;
  border:1px solid var(--stroke);
  background-image:url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
  clip-path:polygon(0 0,100% 0,100% 88%,0 100%);
}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(58,224,255,.20),rgba(5,8,15,.72) 62%);
}
.cat-hero-media .media-badge{
  position:absolute;left:22px;bottom:26px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-pill);
  background:rgba(5,8,15,.62);border:1px solid var(--stroke-strong);
  font-size:12.5px;color:var(--text);letter-spacing:.04em;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.cat-hero-media .media-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px var(--primary);}

/* ============ Quick jump ============ */
.quick-jump{
  margin-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
}
.qj-item{
  display:flex;align-items:center;gap:14px;
  padding:16px 20px;border-radius:var(--radius-sm);
  background:var(--glass-soft);border:1px solid var(--stroke);
  transition:all .24s var(--ease);
}
.qj-item:hover{border-color:var(--stroke-strong);background:var(--glass);transform:translateY(-3px);color:var(--text);}
.qj-item .qj-num{
  font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.08em;
}
.qj-item .qj-label{font-size:14.5px;font-weight:500;color:var(--text);}
.qj-item .qj-arrow{margin-left:auto;color:var(--primary);font-size:14px;}

/* ============ Timeline ============ */
.timeline{position:relative;padding-left:64px;max-width:980px;}
.timeline::before{
  content:"";position:absolute;left:22px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(58,224,255,.85),rgba(123,107,255,.55) 55%,rgba(123,107,255,.05));
  box-shadow:0 0 20px rgba(58,224,255,.32);
}
.tl-item{position:relative;margin-bottom:22px;}
.tl-item:last-child{margin-bottom:0;}
.tl-node{
  position:absolute;left:-64px;top:26px;
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-1);border:1px solid var(--stroke-strong);
  font-family:"Space Grotesk",sans-serif;font-size:13px;font-weight:700;color:var(--primary);
  box-shadow:0 0 0 6px rgba(5,8,15,.9),0 0 20px rgba(58,224,255,.22);
}
.tl-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-card);
  padding:26px 28px;
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  transition:all .24s var(--ease);
}
.tl-card:hover{border-color:var(--stroke-strong);transform:translateY(-4px);box-shadow:var(--glow);}
.tl-card h3{font-size:19px;margin-bottom:10px;}
.tl-card p{color:var(--text-muted);font-size:15px;margin-bottom:14px;}
.tl-points{display:flex;flex-wrap:wrap;gap:8px;}
.tl-points li{
  font-size:12.5px;color:var(--text-muted);
  padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(58,224,255,.07);border:1px solid rgba(58,224,255,.16);
}

/* ============ Spec bar ============ */
.spec-bar{
  margin-top:44px;display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--stroke);
  background:linear-gradient(135deg,rgba(58,224,255,.10),rgba(123,107,255,.10));
}
.spec-cell{
  padding:26px 24px;border-right:1px solid var(--stroke);
  transition:background .24s var(--ease);
}
.spec-cell:last-child{border-right:none;}
.spec-cell:hover{background:rgba(58,224,255,.06);}
.spec-cell .spec-label{font-size:12px;letter-spacing:.18em;color:var(--text-dim);margin-bottom:8px;}
.spec-cell .spec-value{font-size:clamp(18px,2vw,24px);font-weight:700;color:var(--text);}
.spec-cell .spec-value .unit{font-size:13px;color:var(--primary);margin-left:4px;font-weight:500;}

/* ============ Scene cards ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:all .24s var(--ease);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:var(--glow);}
.scene-thumb{aspect-ratio:16/10;overflow:hidden;position:relative;}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.scene-card:hover .scene-thumb img{transform:scale(1.04);}
.scene-thumb .tag{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:11.5px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(5,8,15,.72);border:1px solid var(--stroke-strong);color:var(--accent);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.scene-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:18px;}
.scene-body p{color:var(--text-muted);font-size:14.5px;line-height:1.85;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-item{
  background:var(--glass);border:1px solid var(--stroke);border-radius:16px;
  margin-bottom:14px;overflow:hidden;
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  transition:border-color .24s var(--ease);
}
.accordion-item:hover{border-color:rgba(58,224,255,.26);}
.accordion-button{
  background:transparent;color:var(--text);font-weight:700;font-size:16px;
  padding:20px 56px 20px 24px;box-shadow:none;position:relative;border:none;
}
.accordion-button:not(.collapsed){
  background:transparent;color:var(--primary);box-shadow:none;
}
.accordion-button::after{
  content:"+";position:absolute;right:22px;top:50%;
  width:auto;height:auto;background-image:none;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--primary);line-height:1;
  transition:transform .28s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px;}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--grad);border-radius:3px;box-shadow:0 0 14px rgba(58,224,255,.5);
}
.accordion-body{
  padding:0 24px 24px;color:var(--text-muted);font-size:15px;line-height:1.9;
}

/* ============ Related list ============ */
.related-wrap{max-width:980px;margin:0 auto;}
.related-item{
  display:flex;align-items:center;gap:20px;
  padding:20px 24px;border-radius:var(--radius-sm);
  border:1px solid var(--stroke);background:var(--glass-soft);
  margin-bottom:12px;transition:all .24s var(--ease);
}
.related-item:hover{border-color:var(--stroke-strong);background:var(--glass);transform:translateX(4px);color:var(--text);}
.related-item .r-index{font-family:"Space Grotesk",sans-serif;font-size:13px;color:var(--accent);letter-spacing:.1em;min-width:26px;}
.related-item .r-title{font-size:15.5px;font-weight:500;}
.related-item .r-meta{margin-left:auto;font-size:12.5px;color:var(--text-dim);white-space:nowrap;}
.related-item:hover .r-meta{color:var(--primary);}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(58,224,255,.16),rgba(123,107,255,.18));
  border-top:1px solid rgba(58,224,255,.28);
  border-bottom:1px solid rgba(123,107,255,.28);
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.9),transparent);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:10px;}
.cta-inner p{color:var(--text-muted);max-width:56ch;font-size:15.5px;}

/* ============ Footer ============ */
.site-footer{
  position:relative;z-index:1;
  background:var(--bg-0);
  border-top:1px solid var(--stroke);
  padding-top:64px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.55),rgba(123,107,255,.5),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{color:var(--text-muted);font-size:14px;line-height:1.9;margin-top:16px;max-width:34ch;}
.footer-title{font-size:14px;font-weight:700;color:var(--primary);letter-spacing:.06em;margin-bottom:18px;}
.footer-list li{margin-bottom:12px;font-size:14px;color:var(--text-muted);line-height:1.7;}
.footer-list a{color:var(--text-muted);}
.footer-list a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid var(--stroke);
  padding:20px 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  max-width:1320px;margin:0 auto;
  font-size:12px;color:var(--text-dim);
}

/* ============ Responsive ============ */
@media (max-width:1199px){
  :root{--section-y:96px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:24px;}
  .cat-hero-media{min-height:240px;clip-path:polygon(0 0,100% 0,100% 94%,0 100%);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  :root{--section-y:88px;}
  .nav-chips{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:12px;border-radius:20px;
    background:rgba(8,14,26,.96);
    box-shadow:0 24px 60px rgba(2,6,16,.7);
    display:none;margin-left:0;
  }
  .nav-chips.is-open{display:flex;}
  .chip{justify-content:flex-start;height:44px;}
  .nav-divider,.nav-cta{display:none;}
  .nav-toggle{display:block;}
  .nav-wrap{gap:12px;}
  .quick-jump{grid-template-columns:1fr;gap:10px;}
  .spec-bar{grid-template-columns:repeat(2,1fr);}
  .spec-cell:nth-child(2){border-right:none;}
  .spec-cell{border-bottom:1px solid var(--stroke);}
  .spec-cell:nth-child(3),.spec-cell:nth-child(4){border-bottom:none;}
  .timeline{padding-left:52px;}
  .timeline::before{left:16px;}
  .tl-node{left:-52px;width:34px;height:34px;font-size:12px;}
}
@media (max-width:767px){
  :root{--section-y:64px;}
  .container{padding-left:20px;padding-right:20px;}
  .cat-hero-media{min-height:200px;}
  .scene-grid{grid-template-columns:1fr;}
  .spec-bar{grid-template-columns:1fr;}
  .spec-cell{border-right:none;border-bottom:1px solid var(--stroke);}
  .spec-cell:last-child{border-bottom:none;}
  .timeline{padding-left:44px;}
  .timeline::before{left:14px;}
  .tl-node{left:-44px;width:28px;height:28px;font-size:11px;}
  .tl-card{padding:20px;}
  .cta-band{padding:52px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .related-item{flex-wrap:wrap;gap:10px;padding:16px 18px;}
  .related-item .r-meta{margin-left:0;width:100%;}
  .cat-hero-actions .btn-glow,.cat-hero-actions .btn-ghost{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .scene-card:hover,.tl-card:hover,.qj-item:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1727;
  --glass:rgba(16,26,44,.55);
  --glass-soft:rgba(16,26,44,.36);
  --stroke:rgba(120,190,255,.14);
  --stroke-strong:rgba(58,224,255,.38);
  --primary:#3AE0FF;
  --secondary:#7B6BFF;
  --accent:#FFC46B;
  --text:#E8F1FF;
  --text-muted:#93A4BF;
  --text-dim:#5F7089;
  --grad:linear-gradient(135deg,#3AE0FF 0%,#7B6BFF 100%);
  --glow:0 0 0 1px rgba(58,224,255,.35),0 8px 32px rgba(58,224,255,.22);
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06),0 18px 44px rgba(2,6,16,.55);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --container:1320px;
  --sec-y:112px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Noto Sans TC','Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 84% -12%,rgba(123,107,255,.20),transparent 62%),
    radial-gradient(760px 460px at 2% 6%,rgba(58,224,255,.13),transparent 58%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.22;margin:0;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
::selection{background:rgba(58,224,255,.28);color:#fff}

.num{font-family:'Space Grotesk','Inter',sans-serif;font-feature-settings:"tnum";letter-spacing:0}

.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  height:76px;
  display:flex;
  align-items:center;
  background:rgba(6,11,21,.74);
  backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  border-bottom:1px solid var(--stroke);
}
.nav-wrap{display:flex;align-items:center;gap:20px;position:relative;width:100%}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.05;flex:0 0 auto}
.brand-main{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.brand-sub{font-size:10.5px;font-weight:500;letter-spacing:.24em;color:var(--text-muted);text-transform:none}
.nav-chips{
  margin-left:auto;
  margin-right:auto;
  display:flex;
  align-items:center;
  gap:4px;
  padding:6px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--stroke);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  max-width:100%;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  height:40px;
  display:inline-flex;
  align-items:center;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--text-muted);
  white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.chip:hover{background:rgba(255,255,255,.06);color:var(--text)}
.chip.is-active{
  background:var(--grad);
  color:#04121B;
  font-weight:700;
  box-shadow:0 6px 22px rgba(58,224,255,.28);
}
.nav-divider{width:1px;height:28px;background:var(--stroke);flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
  margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .26s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ BUTTONS ============ */
.btn-glow,.btn-ghost,.btn-quiet{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .24s var(--ease),filter .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-glow{background:var(--grad);color:#04121B;box-shadow:var(--glow)}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.07);color:#04121B}
.btn-glow:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--stroke);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:var(--stroke-strong);transform:translateY(-2px)}
.btn-quiet{padding:8px 4px;min-height:auto;color:var(--primary);font-weight:700;background:none}
.btn-quiet:hover{color:#8CEEFF}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
.btn-lg{padding:15px 34px;font-size:16px}

/* ============ BREADCRUMB ============ */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-dim);margin-bottom:18px}
.crumb a{color:var(--text-muted)}
.crumb a:hover{color:var(--primary)}
.crumb-sep{color:var(--text-dim);opacity:.7}
.crumb [aria-current]{color:var(--primary)}

/* ============ CATEGORY HERO ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 76px;
  min-height:320px;
  border-bottom:1px solid var(--stroke);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(720px 420px at 88% 10%,rgba(123,107,255,.24),transparent 66%),
    linear-gradient(160deg,rgba(5,8,15,.94) 0%,rgba(10,17,32,.86) 100%);
  pointer-events:none;
}
.cat-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;
  align-items:center;
}
.cat-hero-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:24px;
  padding:38px 36px;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.cat-hero-card::before{
  content:"";
  position:absolute;left:24px;right:24px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.8),transparent);
}
.cat-hero h1{font-size:clamp(32px,4.6vw,54px);font-weight:900}
.cat-hero-lead{margin-top:18px;font-size:16.5px;color:var(--text-muted);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cat-hero-figure{
  position:relative;
  margin:0;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--stroke);
  background:var(--bg-2);
  aspect-ratio:16/11;
  box-shadow:0 24px 60px rgba(2,6,16,.6);
}
.cat-hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.cat-hero-figure:hover img{transform:scale(1.03)}
.cat-hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.06) 0%,rgba(5,8,15,.72) 100%);
  pointer-events:none;
}
.cat-hero-figure figcaption{
  position:absolute;
  left:20px;bottom:16px;right:20px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:rgba(232,241,255,.82);
  z-index:2;
}

/* ============ QUICK JUMP ============ */
.quick-jump{padding:28px 0 0}
.jump-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.jump-item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:16px;
  padding:18px 22px;
  border-radius:var(--r-md);
  background:var(--glass-soft);
  border:1px solid var(--stroke);
  transition:border-color .24s var(--ease),transform .24s var(--ease),background .24s var(--ease);
}
.jump-item:hover{border-color:var(--stroke-strong);transform:translateY(-3px);background:var(--glass)}
.jump-item.is-current{border-color:var(--stroke-strong);box-shadow:0 0 0 1px rgba(58,224,255,.18)}
.jump-num{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.08em}
.jump-body{display:flex;flex-direction:column;gap:2px;min-width:0}
.jump-body strong{font-size:15px;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.jump-body em{font-style:normal;font-size:12.5px;color:var(--text-dim)}
.jump-arrow{color:var(--text-muted);font-size:15px;transition:transform .24s var(--ease),color .24s var(--ease)}
.jump-item:hover .jump-arrow{transform:translateX(4px);color:var(--primary)}

/* ============ SECTION BASE ============ */
.section{padding:var(--sec-y) 0}
.section-head{max-width:820px;margin-bottom:56px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.22em;
  color:var(--primary);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.8}
.section-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:900}
.section-sub{margin-top:16px;color:var(--text-muted);font-size:16px;max-width:70ch}
.section-head.between{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;max-width:none}
.section-note{color:var(--text-dim);font-size:14px;max-width:42ch}

/* ============ SPLIT ROWS ============ */
.split-row{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:center;
}
.split-row + .split-row{margin-top:72px}
.split-row.is-reverse .split-media{order:2}
.split-media{
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--stroke);
  background:var(--bg-2);
  aspect-ratio:5/4;
  box-shadow:var(--shadow-card);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.split-media:hover img{transform:scale(1.04)}
.split-body h3{font-size:clamp(21px,2.4vw,28px);margin-top:16px;font-weight:800}
.split-body p{margin-top:14px;color:var(--text-muted);font-size:15.5px}
.point-list{margin-top:22px;display:grid;gap:12px}
.point-list li{position:relative;padding-left:22px;color:var(--text-muted);font-size:14.5px}
.point-list li::before{
  content:"";
  position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(58,224,255,.75);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}
.tag-primary{background:rgba(58,224,255,.14);color:#8CEEFF;border:1px solid rgba(58,224,255,.32)}
.tag-accent{background:rgba(255,196,107,.14);color:var(--accent);border:1px solid rgba(255,196,107,.34)}
.tag-violet{background:rgba(123,107,255,.16);color:#B7AEFF;border:1px solid rgba(123,107,255,.36)}

/* ============ CAST GRID ============ */
.cast-section{padding-top:0}
.cast-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.cast-card{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--glass-soft);
  border:1px solid var(--stroke);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.cast-card:hover{
  transform:translateY(-4px);
  border-color:var(--stroke-strong);
  background:var(--glass);
  box-shadow:0 0 0 1px rgba(58,224,255,.22),0 22px 46px rgba(2,6,16,.6);
}
.cast-media{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--bg-2)}
.cast-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.cast-card:hover .cast-media img{transform:scale(1.05)}
.cast-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0) 42%,rgba(5,8,15,.82) 100%)}
.cast-badge{
  position:absolute;
  top:14px;left:14px;
  z-index:2;
  height:26px;
  display:inline-flex;
  align-items:center;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  letter-spacing:.05em;
  background:rgba(5,8,15,.72);
  border:1px solid rgba(58,224,255,.42);
  color:#A7F0FF;
  backdrop-filter:blur(8px);
}
.cast-badge.gold{border-color:rgba(255,196,107,.45);color:var(--accent)}
.cast-badge.violet{border-color:rgba(123,107,255,.5);color:#C2BAFF}
.cast-body{padding:20px 20px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.cast-body h3{font-size:17px;font-weight:800}
.cast-body p{font-size:13.8px;color:var(--text-muted);line-height:1.72}
.cast-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--stroke);font-size:12px;color:var(--text-dim);letter-spacing:.04em}

/* ============ RELATION ============ */
.relation-section{
  position:relative;
  background-image:linear-gradient(180deg,rgba(5,8,15,.94),rgba(10,17,32,.96)),url('/assets/images/backpic/back-3.jpg');
  background-size:cover;
  background-position:center;
  border-top:1px solid var(--stroke);
  border-bottom:1px solid var(--stroke);
}
.relation-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:64px;align-items:start}
.rel-list{margin-top:8px}
.rel-list li{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:18px;
  padding:22px 0;
  border-top:1px solid var(--stroke);
}
.rel-list li:last-child{border-bottom:1px solid var(--stroke)}
.rel-idx{font-size:19px;font-weight:700;color:var(--primary);opacity:.9;line-height:1.5}
.rel-title{font-size:16.5px;font-weight:700;color:var(--text)}
.rel-desc{margin-top:6px;font-size:14.2px;color:var(--text-muted)}
.rel-panel{
  position:sticky;
  top:96px;
  padding:30px 28px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--stroke);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.rel-panel-title{font-size:13px;letter-spacing:.2em;color:var(--text-dim);margin-bottom:8px}
.rel-stat{padding:20px 0;border-bottom:1px solid var(--stroke)}
.rel-stat:last-of-type{border-bottom:0}
.rel-value{
  display:block;
  font-size:clamp(34px,4.6vw,46px);
  font-weight:700;
  line-height:1.1;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.rel-label{display:block;margin-top:6px;font-size:13px;color:var(--text-muted);letter-spacing:.04em}
.rel-panel .btn-ghost{width:100%;margin-top:18px}

/* ============ READING LIST ============ */
.reading-list{display:grid;gap:0;border-top:1px solid var(--stroke)}
.reading-list li{border-bottom:1px solid var(--stroke)}
.reading-list a{
  display:grid;
  grid-template-columns:64px minmax(0,1fr) auto;
  align-items:center;
  gap:20px;
  padding:24px 8px;
  transition:background .24s var(--ease),padding .24s var(--ease);
}
.reading-list a:hover{background:rgba(58,224,255,.05);padding-left:16px}
.reading-idx{font-size:14px;font-weight:700;color:var(--primary);letter-spacing:.08em}
.reading-title{font-size:16px;font-weight:700;color:var(--text)}
.reading-list a:hover .reading-title{color:var(--primary)}
.reading-tag{font-size:12.5px;color:var(--text-dim);letter-spacing:.06em;white-space:nowrap}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-accordion .accordion-item{
  background:var(--glass-soft);
  border:1px solid var(--stroke);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq-accordion .accordion-item:hover{border-color:rgba(58,224,255,.26);background:var(--glass)}
.faq-accordion .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;
  font-weight:700;
  padding:22px 24px;
  box-shadow:none;
  border:0;
  gap:16px;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);
  background:transparent;
  box-shadow:inset 3px 0 0 var(--primary);
}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px}
.faq-accordion .accordion-button::after{
  content:"+";
  background-image:none;
  width:26px;height:26px;
  line-height:24px;
  text-align:center;
  border-radius:8px;
  border:1px solid var(--stroke);
  color:var(--primary);
  font-size:16px;
  font-weight:700;
  transform:none;
  flex:0 0 auto;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:none;
  border-color:var(--stroke-strong);
}
.faq-accordion .accordion-body{
  padding:0 24px 24px;
  color:var(--text-muted);
  font-size:14.8px;
  line-height:1.85;
}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:76px 0;
  border-top:1px solid rgba(58,224,255,.22);
  background-image:
    linear-gradient(115deg,rgba(58,224,255,.16) 0%,rgba(123,107,255,.18) 55%,rgba(5,8,15,.9) 100%),
    url('/assets/images/backpic/back-1.jpg');
  background-size:cover;
  background-position:center;
}
.cta-band::after{content:"";position:absolute;inset:0;background:rgba(5,8,15,.58);pointer-events:none}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:48px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(24px,3.2vw,36px);font-weight:900;max-width:20ch}
.cta-inner p{margin-top:14px;color:rgba(232,241,255,.82);max-width:56ch;font-size:15.5px}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;
  background:var(--bg-0);
  border-top:1px solid var(--stroke);
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.5),rgba(123,107,255,.5),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:48px;
  padding:72px 0 56px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-muted);max-width:34ch;line-height:1.8}
.footer-title{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:16px;letter-spacing:.04em}
.footer-list{display:grid;gap:11px}
.footer-list a,.footer-list span{font-size:14px;color:var(--text-muted);transition:color .22s var(--ease)}
.footer-list a:hover{color:#fff}
.footer-bottom{
  max-width:var(--container);
  margin:0 auto;
  padding:20px 24px 28px;
  border-top:1px solid var(--stroke);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:12px;
  color:var(--text-dim);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1399px){
  :root{--sec-y:104px}
  .footer-grid{gap:36px}
}
@media (max-width:1199px){
  :root{--sec-y:92px}
  .cast-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .relation-grid{gap:44px}
  .split-row{gap:40px}
}
@media (max-width:991px){
  :root{--sec-y:80px}
  .nav-toggle{display:flex}
  .nav-divider,.nav-cta{display:none}
  .nav-chips{
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    margin:0;
    display:none;
    padding:12px;
    border-radius:18px;
    background:rgba(8,14,26,.97);
    box-shadow:0 24px 48px rgba(2,6,16,.6);
  }
  .nav-chips.is-open{display:flex}
  .chip{height:38px;padding:0 16px}
  .cat-hero{padding:48px 0 60px}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px}
  .cat-hero-card{padding:30px 26px}
  .cat-hero-figure{aspect-ratio:16/9}
  .jump-grid{grid-template-columns:1fr}
  .split-row{grid-template-columns:1fr;gap:26px}
  .split-row.is-reverse .split-media{order:0}
  .split-row + .split-row{margin-top:52px}
  .relation-grid{grid-template-columns:1fr}
  .rel-panel{position:static}
  .section-head.between{flex-direction:column;align-items:flex-start;gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 44px}
  .footer-brand{grid-column:1 / -1}
  .cta-inner{gap:28px}
}
@media (max-width:575px){
  :root{--sec-y:64px}
  .container{padding-left:20px;padding-right:20px}
  .site-header{height:68px}
  .brand-main{font-size:16px}
  .brand-sub{font-size:9.5px;letter-spacing:.2em}
  .cat-hero-card{border-radius:18px;padding:24px 20px}
  .cat-hero-lead{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
  .cast-grid{grid-template-columns:1fr;gap:18px}
  .cast-media{aspect-ratio:16/10}
  .jump-item{padding:16px 18px;gap:12px}
  .jump-body strong{font-size:14px}
  .reading-list a{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px 4px}
  .reading-tag{grid-column:2;font-size:12px;white-space:normal}
  .rel-list li{grid-template-columns:40px minmax(0,1fr);gap:14px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding:18px 20px 26px}
  .cta-band{padding:56px 0}
  .cta-inner .btn-glow{width:100%}
  .faq-accordion .accordion-button{padding:18px;font-size:15px}
  .faq-accordion .accordion-body{padding:0 18px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .cast-card:hover,.jump-item:hover,.btn-glow:hover,.btn-ghost:hover{transform:none}
  .cast-card:hover .cast-media img,.split-media:hover img,.cat-hero-figure:hover img{transform:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#05080f;
  --bg-1:#0a1120;
  --bg-2:#0e1727;
  --glass:rgba(16,26,44,.55);
  --glass-strong:rgba(16,26,44,.82);
  --stroke:rgba(120,190,255,.14);
  --stroke-strong:rgba(58,224,255,.38);
  --primary:#3ae0ff;
  --secondary:#7b6bff;
  --accent:#ffc46b;
  --text:#e8f1ff;
  --text-muted:#93a4bf;
  --text-dim:#5f7089;
  --grad:linear-gradient(135deg,#3ae0ff,#7b6bff);
  --grad-soft:linear-gradient(135deg,rgba(58,224,255,.18),rgba(123,107,255,.18));
  --glow:0 0 0 1px rgba(58,224,255,.35),0 8px 32px rgba(58,224,255,.22);
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06),0 20px 50px rgba(0,0,0,.28);
  --radius-lg:28px;
  --radius:20px;
  --radius-sm:14px;
  --pill:999px;
  --container:1320px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --section-y:112px;
}
*,
*::before,
*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-width:320px;
  overflow-x:hidden;
  color:var(--text);
  background:
    radial-gradient(1200px 620px at 88% -12%,rgba(58,224,255,.14),transparent 62%),
    radial-gradient(1000px 560px at 4% 22%,rgba(123,107,255,.12),transparent 58%),
    var(--bg-0);
  font-family:"Noto Sans TC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.72;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:rgba(58,224,255,.26);color:#fff}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease)}
a:hover{color:var(--primary)}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
p{margin:0 0 1em}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--text);font-weight:800;letter-spacing:-.02em;line-height:1.28}
ul,ol{margin:0;padding:0}
.container{
  width:min(100% - 48px,var(--container));
  max-width:none;
  margin-inline:auto;
  padding-left:0;
  padding-right:0;
}
section[id]{scroll-margin-top:96px}
:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  box-shadow:0 0 0 5px rgba(58,224,255,.16);
}
.skip-link{
  position:fixed;
  top:12px;
  left:12px;
  z-index:2000;
  padding:10px 16px;
  border-radius:999px;
  background:var(--primary);
  color:#031018;
  font-weight:700;
  transform:translateY(-150%);
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0)}
.section{padding:var(--section-y) 0;position:relative}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:42px;
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-bottom:10px;
  color:var(--primary);
  font-size:12px;
  font-weight:700;
  letter-spacing:.2em;
}
.section-kicker::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 14px rgba(58,224,255,.85);
}
.section-head h2{
  font-size:clamp(28px,3.4vw,42px);
  letter-spacing:-.03em;
}
.section-lead{
  max-width:690px;
  margin-top:12px;
  color:var(--text-muted);
  font-size:15.5px;
  line-height:1.85;
}
.glass{
  position:relative;
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.glass::before{
  content:"";
  position:absolute;
  top:0;
  left:8%;
  right:8%;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.55),transparent);
  pointer-events:none;
}
.btn-glow,
.btn-ghost,
.btn-quiet{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:46px;
  padding:0 23px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-size:14px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-glow{
  color:#031018;
  background:var(--grad);
  box-shadow:var(--glow);
}
.btn-glow:hover{
  color:#031018;
  transform:translateY(-2px);
  filter:brightness(1.06);
}
.btn-ghost{
  color:var(--text);
  background:rgba(255,255,255,.035);
  border-color:var(--stroke);
}
.btn-ghost:hover{
  color:#fff;
  background:rgba(255,255,255,.075);
  border-color:var(--stroke-strong);
  transform:translateY(-2px);
}
.btn-quiet{
  min-height:44px;
  padding:0 4px;
  color:var(--primary);
  background:transparent;
}
.btn-quiet::after{
  content:"→";
  transition:transform .22s var(--ease);
}
.btn-quiet:hover::after{transform:translateX(4px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px}
.btn-lg{min-height:52px;padding:0 28px;font-size:15px}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:7px;
  width:fit-content;
  padding:6px 12px;
  border-radius:var(--pill);
  color:var(--accent);
  background:rgba(255,196,107,.08);
  border:1px solid rgba(255,196,107,.24);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}
.badge-soft::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(255,196,107,.8);
}
.badge-primary{
  color:var(--primary);
  background:rgba(58,224,255,.08);
  border-color:rgba(58,224,255,.26);
}
.badge-primary::before{background:var(--primary);box-shadow:0 0 10px rgba(58,224,255,.8)}
.brand{
  display:inline-flex;
  flex-direction:column;
  line-height:1;
  color:var(--text);
  text-decoration:none;
  flex-shrink:0;
}
.brand:hover{color:var(--text)}
.brand-main{
  font-size:19px;
  font-weight:900;
  letter-spacing:-.02em;
  background:linear-gradient(180deg,#fff 10%,#c8def9 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.brand-sub{
  margin-top:6px;
  color:var(--text-muted);
  font-size:10px;
  font-weight:500;
  letter-spacing:.32em;
}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  height:76px;
  background:rgba(5,8,15,.72);
  border-bottom:1px solid var(--stroke);
  backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.88);
  box-shadow:0 18px 40px rgba(0,0,0,.34);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:18px;
  height:76px;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:4px;
  margin-inline:auto;
  padding:6px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.03);
  border:1px solid var(--stroke);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  padding:0 18px;
  border-radius:var(--pill);
  color:var(--text-muted);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.chip:hover{
  color:#fff;
  background:rgba(255,255,255,.06);
}
.chip.is-active{
  color:#031018;
  font-weight:700;
  background:var(--grad);
  box-shadow:0 0 0 1px rgba(58,224,255,.25),0 8px 22px rgba(58,224,255,.18);
}
.nav-divider{
  width:1px;
  height:30px;
  background:var(--stroke);
  flex-shrink:0;
}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--stroke);
  border-radius:14px;
  background:rgba(255,255,255,.035);
  color:var(--text);
}
.nav-toggle span{
  display:block;
  width:19px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.page-hero{
  position:relative;
  overflow:hidden;
  padding:42px 0 88px;
  min-height:390px;
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:
    linear-gradient(90deg,rgba(5,8,15,.97) 0%,rgba(5,8,15,.84) 43%,rgba(5,8,15,.46) 100%),
    radial-gradient(760px 440px at 82% 18%,rgba(123,107,255,.24),transparent 66%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background-image:radial-gradient(rgba(255,255,255,.12) .65px,transparent .65px);
  background-size:5px 5px;
  opacity:.16;
  pointer-events:none;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  filter:saturate(1.08) contrast(1.02);
}
.page-hero .container{
  position:relative;
  z-index:2;
}
.breadcrumb-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:9px;
  color:var(--text-muted);
  font-size:13px;
}
.breadcrumb-row a{color:var(--text-muted)}
.breadcrumb-row a:hover{color:var(--primary)}
.breadcrumb-row .sep{color:var(--text-dim)}
.breadcrumb-row .current{color:var(--primary)}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(360px,.88fr);
  align-items:center;
  gap:44px;
  margin-top:28px;
}
.hero-panel{
  padding:clamp(26px,4vw,50px);
  border-radius:var(--radius-lg);
}
.hero-panel::after{
  content:"";
  position:absolute;
  width:280px;
  height:280px;
  right:-120px;
  bottom:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(58,224,255,.22),transparent 68%);
  pointer-events:none;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--primary);
  font-size:12px;
  font-weight:700;
  letter-spacing:.18em;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:1px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.hero-panel h1{
  margin:14px 0 18px;
  font-size:clamp(38px,5vw,66px);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.04em;
  background:linear-gradient(180deg,#fff 4%,#c6dcf7 58%,#8eaccd 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  max-width:650px;
  color:var(--text-muted);
  font-size:clamp(15px,1.4vw,17.5px);
  line-height:1.9;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:16px 30px;
  margin-top:30px;
  padding-top:22px;
  border-top:1px solid var(--stroke);
}
.meta-item strong{
  display:block;
  color:var(--text);
  font-family:"Inter","Noto Sans TC",sans-serif;
  font-size:21px;
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.3;
}
.meta-item span{
  display:block;
  margin-top:2px;
  color:var(--text-dim);
  font-size:12px;
  letter-spacing:.04em;
}
.hero-visual{
  position:relative;
  padding:14px 0 20px 18px;
}
.hero-visual::before{
  content:"";
  position:absolute;
  inset:0 18px 6px 0;
  border-radius:34px;
  border:1px solid rgba(58,224,255,.26);
  transform:rotate(-3deg);
  pointer-events:none;
}
.visual-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3;
  border-radius:30px;
  border:1px solid var(--stroke-strong);
  background:var(--bg-2);
  box-shadow:0 24px 70px rgba(0,0,0,.42),0 0 0 1px rgba(58,224,255,.18),0 0 48px rgba(58,224,255,.14);
  transform:rotate(1.4deg);
}
.visual-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .7s var(--ease);
}
.visual-frame:hover img{transform:scale(1.035)}
.visual-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 44%,rgba(5,8,15,.82) 100%);
}
.visual-badge{
  position:absolute;
  left:22px;
  right:22px;
  bottom:22px;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 15px;
  border-radius:16px;
  background:rgba(5,8,15,.64);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  font-size:12.5px;
  color:var(--text-muted);
}
.visual-badge strong{color:var(--text);font-size:13px}
.visual-badge .dot{
  display:inline-block;
  width:6px;
  height:6px;
  margin-right:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(255,196,107,.85);
}
.quick-jump{
  position:relative;
  z-index:5;
  margin-top:-34px;
  padding-bottom:18px;
}
.jump-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  padding:14px;
  border-radius:24px;
  border:1px solid var(--stroke);
  background:rgba(10,17,32,.82);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(20px) saturate(145%);
  -webkit-backdrop-filter:blur(20px) saturate(145%);
}
.jump-link{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:72px;
  padding:14px 16px;
  border-radius:17px;
  background:rgba(255,255,255,.025);
  border:1px solid transparent;
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.jump-link:hover{
  color:var(--text);
  transform:translateY(-2px);
  background:rgba(255,255,255,.055);
  border-color:var(--stroke);
}
.jump-index{
  display:grid;
  place-items:center;
  width:36px;
  height:36px;
  flex:0 0 36px;
  border-radius:12px;
  background:rgba(58,224,255,.08);
  border:1px solid rgba(58,224,255,.22);
  color:var(--primary);
  font-family:"Inter",sans-serif;
  font-size:12px;
  font-weight:700;
}
.jump-title{
  display:block;
  font-size:14.5px;
  font-weight:700;
  color:var(--text);
}
.jump-desc{
  display:block;
  margin-top:2px;
  color:var(--text-dim);
  font-size:12px;
  line-height:1.45;
}
.jump-arrow{
  margin-left:auto;
  color:var(--text-dim);
  font-size:18px;
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.jump-link:hover .jump-arrow{color:var(--primary);transform:translateX(4px)}
.jump-link.is-current{
  background:linear-gradient(135deg,rgba(58,224,255,.09),rgba(123,107,255,.07));
  border-color:rgba(58,224,255,.26);
}
.service-section{padding-top:86px}
.service-collage{
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:24px;
  align-items:stretch;
}
.service-main{
  display:flex;
  flex-direction:column;
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.service-main-media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9.4;
  background:var(--bg-2);
}
.service-main-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .7s var(--ease);
}
.service-main:hover .service-main-media img{transform:scale(1.035)}
.service-main-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(5,8,15,.9) 100%);
}
.service-main-media .badge-soft{
  position:absolute;
  left:24px;
  bottom:22px;
  z-index:2;
}
.service-main-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:clamp(24px,3.1vw,36px);
}
.service-main-body h3{
  margin-top:2px;
  font-size:clamp(25px,2.7vw,35px);
  letter-spacing:-.03em;
}
.service-main-body > p{
  margin-top:14px;
  color:var(--text-muted);
  font-size:15px;
  line-height:1.88;
}
.check-list{
  display:grid;
  gap:10px;
  margin:22px 0 26px;
  list-style:none;
}
.check-list li{
  position:relative;
  padding-left:27px;
  color:var(--text-muted);
  font-size:14px;
  line-height:1.75;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.55em;
  width:10px;
  height:10px;
  border-radius:3px;
  background:var(--grad);
  box-shadow:0 0 14px rgba(58,224,255,.28);
}
.service-main .btn-ghost{align-self:flex-start;margin-top:auto}
.service-side{
  display:grid;
  grid-template-rows:1fr 1fr;
  gap:24px;
}
.service-mini{
  display:flex;
  flex-direction:column;
  padding:clamp(23px,2.7vw,32px);
  border-radius:var(--radius-lg);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.service-mini:hover{
  transform:translateY(-4px);
  border-color:var(--stroke-strong);
  box-shadow:var(--shadow-card),0 0 40px rgba(58,224,255,.08);
}
.mini-icon{
  display:grid;
  place-items:center;
  width:48px;
  height:48px;
  margin-bottom:18px;
  border-radius:15px;
  background:rgba(58,224,255,.08);
  border:1px solid rgba(58,224,255,.24);
  color:var(--primary);
  font-family:"Inter",sans-serif;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
}
.service-mini h3{
  font-size:22px;
  letter-spacing:-.02em;
}
.service-mini p{
  margin-top:11px;
  color:var(--text-muted);
  font-size:14.5px;
  line-height:1.82;
}
.mini-foot{
  margin-top:auto;
  padding-top:18px;
  color:var(--text-dim);
  font-size:12.5px;
  line-height:1.65;
}
.mini-foot strong{color:var(--accent);font-weight:700}
.process-section{
  background:linear-gradient(180deg,transparent,rgba(10,17,32,.68) 16%,rgba(10,17,32,.68) 84%,transparent);
}
.process-track{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.process-track::before{
  content:"";
  position:absolute;
  top:46px;
  left:5%;
  right:5%;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(58,224,255,.42),rgba(123,107,255,.32),transparent);
  pointer-events:none;
}
.process-step{
  position:relative;
  z-index:1;
  padding:26px 23px;
  border-radius:22px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.process-step:hover{
  transform:translateY(-4px);
  border-color:var(--stroke-strong);
  box-shadow:var(--shadow-card),0 0 34px rgba(58,224,255,.07);
}
.step-num{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:20px;
  color:var(--primary);
  font-family:"Inter",sans-serif;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
}
.step-num::after{
  content:"";
  flex:1;
  height:1px;
  background:linear-gradient(90deg,rgba(58,224,255,.4),transparent);
}
.process-step h3{
  font-size:18px;
  letter-spacing:-.01em;
}
.process-step p{
  margin-top:10px;
  color:var(--text-muted);
  font-size:13.8px;
  line-height:1.8;
}
.case-band{
  display:grid;
  grid-template-columns:1.28fr .86fr .86fr;
  gap:20px;
}
.case-card{
  position:relative;
  isolation:isolate;
  display:flex;
  align-items:flex-end;
  min-height:310px;
  padding:26px;
  overflow:hidden;
  border-radius:24px;
  border:1px solid var(--stroke);
  background:var(--bg-2);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.case-card:first-child{min-height:390px}
.case-card img{
  position:absolute;
  inset:0;
  z-index:-2;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.62;
  transition:transform .7s var(--ease),opacity .4s var(--ease);
}
.case-card::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(180deg,rgba(5,8,15,.04) 10%,rgba(5,8,15,.88) 86%);
}
.case-card:hover{
  transform:translateY(-4px);
  border-color:var(--stroke-strong);
  box-shadow:0 24px 60px rgba(0,0,0,.4),0 0 42px rgba(58,224,255,.09);
}
.case-card:hover img{transform:scale(1.045);opacity:.7}
.case-content{position:relative;z-index:2}
.case-tag{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 11px;
  border-radius:var(--pill);
  background:rgba(5,8,15,.55);
  border:1px solid rgba(255,255,255,.16);
  color:var(--accent);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.06em;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.case-card h3{
  margin-top:12px;
  font-size:clamp(19px,2vw,25px);
  letter-spacing:-.02em;
}
.case-card:first-child h3{font-size:clamp(24px,2.8vw,31px)}
.case-card p{
  margin:8px 0 0;
  color:var(--text-muted);
  font-size:13.5px;
  line-height:1.72;
}
.faq-section{
  background:linear-gradient(180deg,transparent,rgba(14,23,39,.46) 18%,rgba(14,23,39,.46) 82%,transparent);
}
.faq-wrap{
  max-width:940px;
  margin-inline:auto;
}
.accordion-item{
  overflow:hidden;
  margin-bottom:12px;
  border:1px solid var(--stroke) !important;
  border-radius:18px !important;
  background:var(--glass) !important;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  gap:16px;
  padding:21px 24px;
  color:var(--text) !important;
  background:transparent !important;
  border:0 !important;
  border-radius:18px !important;
  box-shadow:none !important;
  font-size:15.5px;
  font-weight:700;
  line-height:1.55;
  transition:background .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease);
}
.accordion-button:hover{background:rgba(255,255,255,.035) !important}
.accordion-button:not(.collapsed){
  color:#fff !important;
  background:rgba(58,224,255,.06) !important;
  box-shadow:inset 3px 0 0 var(--primary) !important;
}
.accordion-button:focus{
  outline:2px solid var(--primary);
  outline-offset:-2px;
  box-shadow:none !important;
}
.accordion-button::after{
  content:"＋";
  display:grid;
  place-items:center;
  width:28px;
  height:28px;
  margin-left:auto;
  flex:0 0 28px;
  border-radius:50%;
  background:rgba(58,224,255,.08);
  color:var(--primary);
  font-size:17px;
  font-weight:500;
  line-height:1;
  background-image:none !important;
  transform:none !important;
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.accordion-button:not(.collapsed)::after{
  content:"－";
  background:rgba(58,224,255,.16);
}
.accordion-body{
  padding:0 24px 23px !important;
  color:var(--text-muted);
  font-size:14.2px;
  line-height:1.9;
}
.reading-list{
  border-top:1px solid var(--stroke);
}
.reading-item{
  display:grid;
  grid-template-columns:58px minmax(0,1fr) auto;
  align-items:center;
  gap:20px;
  padding:24px 10px;
  border-bottom:1px solid var(--stroke);
  transition:background .24s var(--ease),padding-left .24s var(--ease);
}
.reading-item:hover{
  background:rgba(255,255,255,.026);
  padding-left:18px;
}
.reading-index{
  color:var(--text-dim);
  font-family:"Inter",sans-serif;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
}
.reading-content{min-width:0}
.reading-title{
  display:block;
  overflow:hidden;
  color:var(--text);
  font-size:16.5px;
  font-weight:700;
  line-height:1.5;
  text-overflow:ellipsis;
  white-space:nowrap;
  transition:color .22s var(--ease);
}
.reading-item:hover .reading-title{color:var(--primary)}
.reading-desc{
  display:block;
  overflow:hidden;
  margin-top:4px;
  color:var(--text-dim);
  font-size:13px;
  line-height:1.55;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.reading-meta{
  display:flex;
  align-items:center;
  gap:14px;
  color:var(--text-muted);
  font-size:12px;
  white-space:nowrap;
}
.reading-meta .read-arrow{
  color:var(--primary);
  font-size:17px;
  transition:transform .22s var(--ease);
}
.reading-item:hover .read-arrow{transform:translateX(4px)}
.cta-band{
  padding:0 0 var(--section-y);
}
.cta-inner{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  padding:clamp(32px,5vw,62px);
  border-radius:32px;
  border:1px solid var(--stroke-strong);
  background:
    linear-gradient(115deg,rgba(58,224,255,.15),rgba(123,107,255,.17) 54%,rgba(255,196,107,.07)),
    rgba(10,17,32,.72);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 26px 70px rgba(0,0,0,.34);
}
.cta-inner::before{
  content:"";
  position:absolute;
  z-index:-1;
  width:440px;
  height:440px;
  right:-160px;
  top:-250px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(58,224,255,.32),transparent 67%);
}
.cta-inner::after{
  content:"";
  position:absolute;
  z-index:-1;
  width:360px;
  height:360px;
  left:20%;
  bottom:-280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(123,107,255,.26),transparent 68%);
}
.cta-copy{max-width:760px}
.cta-copy h2{
  font-size:clamp(27px,3.5vw,42px);
  letter-spacing:-.03em;
}
.cta-copy p{
  margin-top:12px;
  color:var(--text-muted);
  font-size:15px;
  line-height:1.85;
}
.cta-actions{
  display:flex;
  flex-shrink:0;
  flex-wrap:wrap;
  gap:12px;
}
.site-footer{
  padding-top:64px;
  background:#04070d;
  border-top:1px solid var(--stroke);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.55fr 1fr 1fr 1.36fr;
  gap:36px;
  padding-bottom:56px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{
  max-width:340px;
  color:var(--text-muted);
  font-size:14px;
  line-height:1.8;
}
.footer-title{
  margin-bottom:16px;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
}
.footer-list{
  list-style:none;
}
.footer-list li{margin-bottom:10px}
.footer-list a,
.footer-list span{
  color:var(--text-muted);
  font-size:14px;
  line-height:1.6;
  transition:color .22s var(--ease);
}
.footer-list a:hover{color:#fff}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:min(100% - 48px,var(--container));
  margin-inline:auto;
  padding:22px 0;
  border-top:1px solid var(--stroke);
  color:var(--text-dim);
  font-size:12px;
}
.footer-bottom span{display:inline-block}
@media (max-width:1399px){
  :root{--section-y:104px}
  .hero-grid{gap:34px}
}
@media (max-width:1199px){
  :root{--section-y:96px}
  .hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr)}
  .hero-panel h1{font-size:clamp(36px,5.2vw,58px)}
  .process-track{grid-template-columns:repeat(2,minmax(0,1fr))}
  .process-track::before{display:none}
  .case-band{grid-template-columns:1.12fr .88fr}
  .case-card:first-child{grid-row:span 2;min-height:420px}
  .case-card{min-height:200px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-grid > div:last-child{grid-column:1 / -1}
  .footer-list{display:flex;flex-wrap:wrap;gap:8px 18px}
  .footer-list li{margin-bottom:0}
}
@media (max-width:991px){
  :root{--section-y:88px}
  .nav-wrap{gap:12px}
  .nav-toggle{display:flex;order:3;margin-left:auto}
  .nav-chips{
    position:absolute;
    top:76px;
    left:16px;
    right:16px;
    z-index:1001;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    margin:0;
    padding:12px;
    border-radius:20px;
    background:rgba(5,8,15,.97);
    border:1px solid var(--stroke);
    box-shadow:0 24px 60px rgba(0,0,0,.5);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
    max-height:calc(100vh - 100px);
    overflow:auto;
  }
  .nav-chips.is-open{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0);
  }
  .chip{justify-content:flex-start;min-height:44px;padding:0 16px}
  .nav-divider{display:none}
  .nav-cta{order:2}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-panel{padding:32px}
  .hero-visual{max-width:620px;margin-inline:auto;width:100%;padding-left:0}
  .hero-visual::before{inset:0 12px 8px 8px}
  .service-collage{grid-template-columns:1fr}
  .service-side{grid-template-columns:1fr 1fr;grid-template-rows:none}
  .service-main-media{aspect-ratio:16/8.6}
  .case-band{grid-template-columns:1fr 1fr}
  .case-card:first-child{grid-column:1 / -1;grid-row:auto;min-height:360px}
  .case-card{min-height:250px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-grid > div:last-child{grid-column:auto}
  .footer-list{display:grid;gap:0}
}
@media (max-width:767px){
  :root{--section-y:72px}
  .container{width:min(100% - 40px,var(--container))}
  .site-header{height:72px}
  .nav-wrap{height:72px}
  .nav-chips{top:72px}
  .brand-main{font-size:17px}
  .brand-sub{font-size:9px;letter-spacing:.28em}
  .page-hero{padding:30px 0 76px}
  .hero-panel{padding:26px 22px}
  .hero-panel h1{font-size:clamp(34px,9vw,48px)}
  .hero-lead{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn-glow,
  .hero-actions .btn-ghost{flex:1 1 190px}
  .hero-meta{gap:14px 22px}
  .jump-grid{grid-template-columns:1fr;padding:11px;border-radius:20px}
  .jump-link{min-height:66px}
  .section-head{display:block;margin-bottom:30px}
  .section-head h2{font-size:clamp(26px,6.2vw,34px)}
  .section-lead{font-size:14.5px}
  .service-side{grid-template-columns:1fr}
  .process-track{grid-template-columns:1fr}
  .process-step{padding:23px 21px}
  .case-band{grid-template-columns:1fr}
  .case-card:first-child{min-height:330px}
  .case-card{min-height:240px;padding:22px}
  .accordion-button{padding:18px 19px;font-size:14.8px}
  .accordion-body{padding:0 19px 20px !important;font-size:13.8px}
  .reading-item{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:20px 6px}
  .reading-meta{grid-column:2;justify-content:flex-start;margin-top:-2px}
  .reading-title{white-space:normal;font-size:15.5px}
  .reading-desc{white-space:normal}
  .cta-inner{padding:30px 24px;border-radius:26px}
  .cta-actions .btn-glow,
  .cta-actions .btn-ghost{flex:1 1 190px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{
    width:min(100% - 40px,var(--container));
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
    font-size:11.5px;
  }
}
@media (max-width:575px){
  .container{width:calc(100% - 40px)}
  .nav-cta{display:none}
  .nav-toggle{margin-left:auto}
  .brand-main{font-size:16px}
  .brand-sub{letter-spacing:.22em}
  .page-hero{min-height:0}
  .breadcrumb-row{font-size:12px;gap:7px}
  .hero-panel h1{font-size:clamp(32px,10vw,42px)}
  .hero-actions{flex-direction:column}
  .hero-actions .btn-glow,
  .hero-actions .btn-ghost,
  .cta-actions .btn-glow,
  .cta-actions .btn-ghost{width:100%;flex:1 1 auto}
  .hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .meta-item strong{font-size:18px}
  .visual-frame{border-radius:22px;transform:none}
  .hero-visual{padding:0}
  .hero-visual::before{display:none}
  .visual-badge{left:14px;right:14px;bottom:14px;padding:10px 12px;font-size:11.5px}
  .jump-desc{display:none}
  .service-main-body{padding:22px}
  .service-main-body h3{font-size:25px}
  .service-main-media .badge-soft{left:18px;bottom:16px}
  .service-mini{padding:22px}
  .case-card{min-height:230px}
  .case-card:first-child{min-height:320px}
  .footer-title{margin-bottom:12px}
  .footer-list a,
  .footer-list span{font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .service-mini:hover,
  .process-step:hover,
  .case-card:hover,
  .jump-link:hover,
  .btn-glow:hover,
  .btn-ghost:hover{transform:none}
}