/* ===== 主題：夜藍・橘（唯一保留的版本） =====
   深藍灰黑底＋日出橘重點色，首頁帶動態。其他舊版（全黑、時尚、冰藍）已移除，
   需要時可用 git 標籤還原：theme-black-v1／theme-fashion-v1／theme-night-v1／themes-all-v1（含冰藍） */
:root,html[data-theme="night"]{
  --bg:#0b1018;--bg2:#121a26;--img-bg:#161f2c;--fg:#e8edf3;--text1:#d3dbe6;--text2:#aab6c6;--mute:#8c98a8;
  --line:#1f2a3a;--line2:#2c3a4f;--line3:#3d4f68;
  --btn-bg:var(--accent);--btn-fg:#0b1018;--ghost-fg:var(--accent);--accent-hover:var(--accent);--accent-text:var(--accent);--stat-color:var(--accent);
  --nav-bg:rgba(11,16,24,.8);--menu-bg:#0f1622;--hover-bg:#17202e;--shadow:0 14px 34px rgba(0,0,0,.55);--shadow-float:0 4px 18px rgba(0,0,0,.5);--card-shadow:0 12px 34px rgba(0,0,0,.35);
  --cta-bg:radial-gradient(560px 230px at 50% 0%,var(--glow),transparent 70%),linear-gradient(135deg,#121a26,#0e2033);--cta-fg:#e8edf3;--cta-sub:#aab6c6;--cta-btn-bg:var(--accent);--cta-btn-fg:#0b1018;
  --alt-bg:#121a26;--alt-fg:#e8edf3;--alt-line:#2c3a4f;
  --cap-grad:rgba(5,9,16,.82);--on-img:#e8edf3;--on-img2:#c9d3e0;
  --font-head:"Barlow Condensed","PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;--head-weight:400;
  --accent:#f0a25b;--glow:rgba(240,162,91,.3);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:68px}
body{margin:0;background:var(--bg);color:var(--fg);
  font-family:-apple-system,"PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;
  line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--font-head);font-weight:var(--head-weight);margin:0}

.demo{background:#3a2f12;color:#f3dca0;text-align:center;font-size:13px;padding:7px 12px;letter-spacing:.04em}
.demo[hidden]{display:none}

/* buttons */
.btn{display:inline-block;background:var(--btn-bg);color:var(--btn-fg);text-decoration:none;font-size:15px;letter-spacing:.08em;
  padding:13px 30px;border-radius:999px;border:1px solid var(--btn-bg);transition:background .2s,color .2s;cursor:pointer}
.btn:hover{background:transparent;color:var(--btn-bg)}
.btn-ghost{background:transparent;color:var(--ghost-fg);border-color:var(--line3)}
.btn-ghost:hover{background:var(--btn-bg);color:var(--btn-fg);border-color:var(--btn-bg)}
.btn-sm{padding:7px 18px;font-size:13px;white-space:nowrap}

/* nav */
.nav{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:18px;height:60px;
  padding:0 clamp(16px,4vw,48px);background:var(--nav-bg);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{text-decoration:none;font-weight:500;letter-spacing:.1em;white-space:nowrap;font-size:15px}
.links{list-style:none;margin:0;padding:0;display:flex;gap:6px;flex:1;justify-content:center;white-space:nowrap}
.links .item{position:relative;display:flex;align-items:center}
.links .item>a{text-decoration:none;color:var(--mute);font-size:14px;letter-spacing:.08em;transition:color .2s;padding:20px 10px}
.links .item>a:hover,.links .item:hover>a{color:var(--fg)}
.mobile-only{display:none!important}
.caret{background:none;border:0;color:var(--mute);cursor:pointer;padding:0 6px 0 0;margin-left:-6px;height:100%;font-size:11px}
.caret::before{content:"\25BE"}
.links .item:hover .caret{color:var(--fg)}
.sub{list-style:none;margin:0;padding:8px 0;position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:210px;
  background:var(--menu-bg);border:1px solid var(--line2);border-radius:4px;box-shadow:var(--shadow);display:none}
.has-sub:hover>.sub,.has-sub:focus-within>.sub,.has-sub.open>.sub{display:block}
.sub li{display:block}
.sub li.sep{border-top:1px solid var(--line2);margin-top:6px;padding-top:6px}
.sub li.grp{border-top:1px solid var(--line2);margin-top:6px;padding:10px 20px 4px;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--mute)}
.sub li.ind a{padding-left:34px;font-size:13.5px}
.sub a{display:block;padding:9px 20px;text-decoration:none;color:var(--text2);font-size:14px;letter-spacing:.06em;white-space:nowrap}
.sub a:hover,.sub a[aria-current]{background:var(--hover-bg);color:var(--accent-hover)}
.lang{background:none;border:1px solid var(--line2);color:var(--fg);border-radius:999px;padding:3px 12px;font-size:12px;cursor:pointer}
.lang:hover{border-color:var(--fg)}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:8px;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px}
.menu-btn span{display:block;height:2px;background:var(--fg);border-radius:2px;transition:transform .2s,opacity .2s}
.nav.open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .menu-btn span:nth-child(2){opacity:0}
.nav.open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:860px){
  .nav{gap:10px}
  .brand{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;font-size:13px;letter-spacing:.06em}
  .nav-book{display:none}
  .menu-btn{display:flex}
  .links{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;gap:0;justify-content:flex-start;
    background:var(--bg);border-bottom:1px solid var(--line);padding:6px clamp(16px,4vw,48px) 18px;max-height:calc(100vh - 60px);overflow-y:auto}
  .nav.open .links{display:flex}
  .links .item{flex-wrap:wrap;border-bottom:1px solid var(--line)}
  .links .item>a{padding:14px 0;font-size:16px;flex:1}
  .caret{padding:0 8px;font-size:15px;height:46px}
  .sub{position:static;transform:none;display:none;width:100%;min-width:0;box-shadow:none;border:0;background:transparent;padding:0 0 10px 12px}
  .has-sub:hover>.sub,.has-sub:focus-within>.sub{display:none}
  .has-sub.open>.sub{display:block}
  .mobile-only{display:flex!important;border-bottom:0!important;padding-top:14px}
  .links .mobile-only>a.btn{color:var(--btn-fg);padding:12px 24px;flex:1;text-align:center;font-size:15px}
}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,5vw,72px);align-items:center;
  max-width:1280px;margin:0 auto;padding:clamp(32px,6vw,80px) clamp(20px,4vw,48px)}
.eyebrow{margin:0 0 18px;color:var(--accent-text);letter-spacing:.2em;font-size:13px}
.hero h1{font-size:clamp(32px,5vw,62px);line-height:1.25;letter-spacing:.04em}
.hero-sub{margin:22px 0 32px;color:var(--text2);font-size:clamp(15px,1.5vw,18px);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-img img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:4px}
@media (max-width:860px){.hero{grid-template-columns:1fr}.hero-img{order:-1}.hero-img img{aspect-ratio:4/3;object-position:50% 40%}}

/* stats */
.about+.stats{margin-top:clamp(56px,8vw,100px)}
.stats{max-width:1280px;margin:0 auto;padding:0 clamp(20px,4vw,48px);display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:30px 10px;text-align:center}
.stat b{display:block;font-family:var(--font-head);color:var(--stat-color);font-weight:var(--head-weight);font-size:clamp(28px,4vw,46px);letter-spacing:.04em}
.stat span{color:var(--mute);font-size:13px;letter-spacing:.14em}

/* sections */
.sec{max-width:1280px;margin:0 auto;padding:clamp(64px,9vw,120px) clamp(20px,4vw,48px) 0}
.sec h2{font-size:clamp(24px,3.2vw,38px);letter-spacing:.1em;margin-bottom:34px;text-align:center}
.subhead{font-size:clamp(18px,2vw,22px);letter-spacing:.1em;margin:60px 0 22px;color:var(--text1);text-align:center}

/* service cards */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--bg2);border-radius:4px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--card-shadow)}
.card img{width:100%;aspect-ratio:4/5;object-fit:cover}
.card-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card h3{font-size:21px;letter-spacing:.08em}
.card p{margin:0;color:var(--text2);font-size:15px}
.card ul{margin:0;padding:0;list-style:none;color:var(--mute);font-size:14px}
.card li::before{content:"— ";color:var(--line3)}
.card .btn{margin-top:auto;align-self:flex-start}
.note{text-align:center;color:var(--mute);font-size:14px;margin:30px 0 0;letter-spacing:.06em}
@media (max-width:900px){.cards3{grid-template-columns:1fr}.card{flex-direction:row}.card img{width:42%;aspect-ratio:auto;height:100%;object-fit:cover}.card-body{padding:18px}}
@media (max-width:520px){.card{flex-direction:column}.card img{width:100%;aspect-ratio:4/3;height:auto}}

/* cases */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cases-sm{grid-template-columns:repeat(2,1fr)}
.case{position:relative;display:block;width:100%;padding:0;border:0;background:var(--img-bg);cursor:pointer;overflow:hidden;text-align:left;color:var(--on-img);text-decoration:none;border-radius:4px}
.case img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s ease}
.case:hover img{transform:scale(1.04)}
.case-cap{position:absolute;left:0;right:0;bottom:0;padding:48px 20px 18px;background:linear-gradient(0deg,var(--cap-grad),rgba(0,0,0,0))}
.case-cap h3{font-size:19px;letter-spacing:.08em}
.case-cap span{font-size:13px;color:var(--on-img2);letter-spacing:.1em}
@media (max-width:900px){.cases{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.cases,.cases-sm{grid-template-columns:1fr}}

/* process */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.steps li{counter-increment:s;border-top:1px solid var(--line2);padding:20px 4px 0}
.steps li::before{content:"0" counter(s);display:block;color:var(--accent-text);font-size:13px;letter-spacing:.2em;margin-bottom:10px}
.steps h3{font-size:19px;letter-spacing:.08em;margin-bottom:8px}
.steps p{margin:0;color:var(--text2);font-size:15px}
@media (max-width:760px){.steps{grid-template-columns:1fr 1fr}}

/* about */
.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(24px,5vw,72px);align-items:center}
.about-img img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:60% 40%;border-radius:4px}
.about-text h2{text-align:left}
.about-text p{margin:0 0 1.1em;color:var(--text1);font-size:clamp(15px,1.5vw,17px)}
@media (max-width:860px){.about{grid-template-columns:1fr}.about-img img{aspect-ratio:4/3}}

/* faq */
.faq{max-width:820px}
details{border-bottom:1px solid var(--line);padding:4px 0}
summary{cursor:pointer;list-style:none;padding:16px 4px;font-size:17px;letter-spacing:.04em;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--mute);font-size:22px;line-height:1}
details[open] summary::after{content:"−"}
details p{margin:0 4px 18px;color:var(--text2);font-size:15px}

/* cta */
.cta{max-width:1280px;margin:clamp(70px,10vw,130px) auto 0;padding:clamp(56px,8vw,96px) 20px;text-align:center;background:var(--cta-bg);color:var(--cta-fg)}
.cta h2{font-size:clamp(26px,3.6vw,44px);letter-spacing:.08em}
.cta p{margin:16px auto 30px;color:var(--cta-sub);max-width:32em}
.cta-links{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.cta .btn{background:var(--cta-btn-bg);color:var(--cta-btn-fg);border-color:var(--cta-btn-bg)}
.cta .btn:hover{background:transparent;color:var(--cta-btn-bg)}
.foot{padding:44px 20px 100px;text-align:center;color:var(--mute);font-size:12px;letter-spacing:.14em}

/* floating contact */
.float{position:fixed;right:14px;bottom:14px;z-index:25;display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.float a{background:var(--btn-bg);color:var(--btn-fg);text-decoration:none;font-size:13px;letter-spacing:.06em;padding:9px 16px;border-radius:999px;box-shadow:var(--shadow-float)}
.float a.alt{background:var(--alt-bg);color:var(--alt-fg);border:1px solid var(--alt-line)}

/* work (category) page */
:root{--rh:440px}
@media (max-width:900px){:root{--rh:290px}}
@media (max-width:560px){:root{--rh:280px}}
.work{max-width:1400px;margin:0 auto;padding:clamp(18px,3vw,36px) clamp(10px,3vw,40px) 0}
.work-head{padding:0 clamp(6px,1vw,12px) clamp(16px,2.4vw,26px)}
.back{display:inline-block;color:var(--mute);text-decoration:none;font-size:14px;letter-spacing:.08em;margin-bottom:10px}
.back:hover{color:var(--fg)}
.work-head h1{font-size:clamp(26px,3.6vw,42px);letter-spacing:.08em;line-height:1.25}
.work-head p{display:inline-block;margin:6px 16px 0 0;color:var(--text2);font-size:clamp(14px,1.4vw,16px)}
.work-count{color:var(--mute);font-size:13px;letter-spacing:.14em}
.jrows{display:flex;flex-direction:column;gap:10px}
.jrow{display:flex;gap:10px}
.jrow button{display:block;min-width:0;padding:0;border:0;background:var(--img-bg);cursor:zoom-in;overflow:hidden}
.jrow img{display:block;width:100%;height:auto;transition:transform .5s ease}
.jrow button:hover img{transform:scale(1.03)}
.more{padding:clamp(64px,9vw,110px) clamp(6px,1vw,12px) 0}
.more[hidden]{display:none}
.more h2{font-size:clamp(22px,3vw,32px);letter-spacing:.1em;margin-bottom:26px;text-align:center}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.95);display:flex;align-items:center;justify-content:center}
.lightbox[hidden]{display:none}
.lightbox img{max-width:94vw;max-height:88vh;width:auto;height:auto;object-fit:contain}
.lb-close,.lb-nav{position:absolute;background:none;border:0;color:#fff;cursor:pointer;opacity:.75;font-size:34px;line-height:1;padding:14px}
.lb-close:hover,.lb-nav:hover{opacity:1}
.lb-close{top:6px;right:10px;font-size:26px}
.lb-prev{left:6px;top:50%;transform:translateY(-50%)}
.lb-next{right:6px;top:50%;transform:translateY(-50%)}
.lb-cap{position:absolute;left:0;right:0;bottom:12px;text-align:center;color:#bbb;font-size:13px;letter-spacing:.1em}
body.lb-open{overflow:hidden}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.case img{transition:none}}

/* digital card */
.bc-body{background:var(--bg)}
.bc-wrap{max-width:480px;margin:0 auto;padding:16px 16px 40px}
.bc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.bc-back{color:var(--mute);text-decoration:none;font-size:14px;letter-spacing:.06em}
.bc-back:hover{color:var(--fg)}
.bc-profile{position:relative;background:var(--bg2);box-shadow:var(--card-shadow);border:1px solid var(--line);border-radius:22px;padding:34px 22px 26px;text-align:center}
.bc-share{position:absolute;top:14px;left:14px;width:38px;height:38px;border-radius:50%;border:0;background:transparent;color:var(--mute);cursor:pointer;padding:8px}
.bc-share:hover{color:var(--fg)}
.bc-share svg{width:100%;height:100%}
.bc-avatar{width:112px;height:112px;border-radius:50%;object-fit:cover;margin:0 auto 14px;border:2px solid var(--line2)}
.bc-profile h1{font-size:26px;letter-spacing:.08em}
.bc-sub{margin:2px 0 14px;color:var(--mute);font-size:13px;letter-spacing:.14em}
.bc-bio{margin:0 0 18px;white-space:pre-line;color:var(--text1);font-size:15px;line-height:1.85}
.bc-icons{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.bc-icons a{width:44px;height:44px;border-radius:50%;border:1px solid var(--line2);color:var(--ghost-fg);display:flex;align-items:center;justify-content:center;padding:11px;transition:background .2s,color .2s}
.bc-icons a:hover{background:var(--btn-bg);color:var(--btn-fg)}
.bc-icons svg{width:100%;height:100%}
.bc-links{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.bc-btn{display:block;text-align:center;text-decoration:none;color:var(--ghost-fg);border:1px solid var(--line3);border-radius:999px;padding:14px 18px;font-size:16px;letter-spacing:.06em;transition:background .2s,color .2s}
.bc-btn:hover{background:var(--btn-bg);color:var(--btn-fg);border-color:var(--btn-bg)}
.bc-primary{background:var(--btn-bg);color:var(--btn-fg);border-color:var(--btn-bg)}
.bc-primary:hover{background:transparent;color:var(--btn-bg)}
.bc-block{margin-top:26px}
.bc-title{text-align:center;color:var(--mute);font-size:13px;letter-spacing:.2em;margin:0}
.bc-social{display:block;margin-top:22px;background:var(--bg2);box-shadow:var(--card-shadow);border:1px solid var(--line);border-radius:18px;padding:16px;text-decoration:none;color:inherit}
.bc-social[hidden]{display:none}
.bc-social-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.bc-social-head img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.bc-social-head b{display:block;font-weight:500;font-size:15px}
.bc-social-head span{color:var(--mute);font-size:12px}
.bc-strip{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.bc-strip::-webkit-scrollbar{display:none}
.bc-strip img{width:112px;height:112px;object-fit:cover;border-radius:10px;flex:none}
.bc-foot{text-align:center;color:var(--mute);font-size:12px;letter-spacing:.14em;margin:30px 0 0}
.bc-toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:#222;color:#fff;padding:10px 20px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
.bc-toast.show{opacity:1;transform:translateX(-50%)}


/* ===== 動態元素：預設隱藏，只有夜藍主題顯示 ===== */
.hero-slides,.hero-dots{display:none}

/* ===== 夜藍主題（深藍灰黑＋動態） ===== */
html[data-theme="night"] .brand{font-family:var(--font-head);font-weight:600;font-size:18px;letter-spacing:.14em;text-transform:uppercase}
html[data-theme="night"] .eyebrow{text-transform:uppercase;font-size:12px;letter-spacing:.3em}
html[data-theme="night"] .hero{position:relative;max-width:none;margin:0;padding:0;display:block;height:clamp(560px,86svh,900px);overflow:hidden}
html[data-theme="night"] .hero-img{display:none}
html[data-theme="night"] .hero-slides{display:block;position:absolute;inset:0}
html[data-theme="night"] .hs{position:absolute;inset:0;opacity:0;transition:opacity 1.5s ease}
html[data-theme="night"] .hs.on{opacity:1}
html[data-theme="night"] .hs img{width:100%;height:100%;object-fit:cover;transform:scale(1.02)}
html[data-theme="night"] .hs.on img,html[data-theme="night"] .hs.leave img{animation:kb 9s ease-out forwards}
@keyframes kb{from{transform:scale(1.02)}to{transform:scale(1.14)}}
html[data-theme="night"] .hero::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,rgba(11,16,24,.86) 0%,rgba(11,16,24,.45) 52%,rgba(11,16,24,.05) 85%),linear-gradient(0deg,rgba(11,16,24,.9) 0%,rgba(11,16,24,0) 48%)}
html[data-theme="night"] .hero-text{position:relative;z-index:2;max-width:1280px;height:100%;margin:0 auto;padding:0 clamp(20px,4vw,48px) clamp(56px,11vh,120px);display:flex;flex-direction:column;justify-content:flex-end}
html[data-theme="night"] .hero h1{font-size:clamp(36px,5.6vw,72px);line-height:1.2;max-width:16em;text-wrap:balance;text-shadow:0 2px 24px rgba(0,0,0,.45)}
html[data-theme="night"] .hero-sub{color:#d3dbe6;max-width:30em}
html[data-theme="night"] .hero-dots{display:flex;position:absolute;z-index:3;left:clamp(20px,4vw,48px);bottom:clamp(26px,5vh,46px);gap:8px}
html[data-theme="night"] .hero-dots button{position:relative;width:34px;height:3px;padding:0;border:0;background:rgba(255,255,255,.28);overflow:hidden;cursor:pointer}
html[data-theme="night"] .hero-dots button.on::after{content:"";position:absolute;inset:0;background:var(--accent);transform-origin:left;animation:fill 5.5s linear forwards}
@keyframes fill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
html[data-theme="night"] .btn:hover{box-shadow:0 8px 26px var(--glow);transform:translateY(-2px)}
html[data-theme="night"] .btn{transition:background .2s,color .2s,box-shadow .25s,transform .25s}
html[data-theme="night"] .nav{transition:height .3s ease,background .3s ease}
html[data-theme="night"] .nav.scrolled{background:rgba(11,16,24,.95)}
@media (min-width:861px){html[data-theme="night"] .nav.scrolled{height:52px}html[data-theme="night"] .nav.scrolled .links .item>a{padding:16px 10px}}
html[data-theme="night"] .links .item>a{position:relative}
html[data-theme="night"] .links .item>a::after{content:"";position:absolute;left:10px;right:10px;bottom:14px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
html[data-theme="night"] .links .item:hover>a::after{transform:scaleX(1)}
html[data-theme="night"] .stat b{font-size:clamp(40px,6vw,72px);font-weight:500;letter-spacing:.02em}
html[data-theme="night"] .sec h2,html[data-theme="night"] .more h2{font-weight:500;text-transform:uppercase;letter-spacing:.16em}
html[data-theme="night"] .sec h2::after,html[data-theme="night"] .more h2::after{content:"";display:block;width:44px;height:2px;background:var(--accent);margin:16px auto 0}
html[data-theme="night"] .about-text h2::after{margin-left:0}
html[data-theme="night"] .card{border:1px solid var(--line);border-radius:8px;transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease}
html[data-theme="night"] .card:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:0 16px 40px var(--glow)}
html[data-theme="night"] .card h3,html[data-theme="night"] .case-cap h3{font-weight:500}
html[data-theme="night"] .case{border-radius:8px}
html[data-theme="night"] .about-img img{border-radius:8px}
html[data-theme="night"] .cta{border-top:1px solid var(--line)}
html[data-theme="night"] .jrow button{border-radius:4px}
html[data-theme="night"] .work-head h1{font-weight:500;text-transform:uppercase;letter-spacing:.12em}
html[data-theme="night"] .bc-avatar{border-color:var(--accent)}
html[data-theme="night"] .bc-btn{transition:background .25s,color .25s,transform .25s,box-shadow .25s}
html[data-theme="night"] .bc-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px var(--glow)}

/* 進場動畫（JS 在夜藍且未開啟「減少動態」時才會加上 .motion） */
html.motion [data-rv]{opacity:0}
html.motion [data-rv].in{opacity:1;animation:rv .85s cubic-bezier(.2,.7,.2,1) backwards;animation-delay:var(--d,0ms)}
@keyframes rv{from{opacity:0;transform:translateY(28px)}}
html.motion .hero-text>*{animation:rise .95s cubic-bezier(.2,.7,.2,1) backwards}
html.motion .hero-text>:nth-child(2){animation-delay:.12s}
html.motion .hero-text>:nth-child(3){animation-delay:.24s}
html.motion .hero-text>:nth-child(4){animation-delay:.36s}
@keyframes rise{from{opacity:0;transform:translateY(26px)}}
@media (prefers-reduced-motion:reduce){html[data-theme="night"] .hs.on img,html[data-theme="night"] .hs.leave img{animation:none}html[data-theme="night"] .hero-dots button.on::after{animation:none;transform:scaleX(1)}}