/* ═══════════════════════════════════════
   服務頁／案例頁（SEO 落地頁）共用樣式
   與首頁同一套：純黑底、實心深灰色塊、米白主按鈕、品牌藍選取色
   不載入 3D，讓頁面輕、快，適合搜尋引擎與手機
═══════════════════════════════════════ */
:root{
  --bg:#000;--text:#f5f5f7;--dim:#a1a1a6;--mute:#86868b;--faint:#2a2a2c;
  --tile:#161617;--tile-2:#1d1d1f;--tile-3:#2c2c2e;
  --cream:#f6f3eb;--ink:#1d1d1f;--blue:#2e567f;--link:#9cbbe0;--line-green:#06C755;--amber:#C9A46A;
  --ease:cubic-bezier(.16,1,.3,1);
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang TC","Inter","Noto Sans TC","Microsoft JhengHei",sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,monospace;
  --wrap:1120px;--gut:clamp(20px,5vw,48px);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;padding:0}
ul,ol{list-style:none}
::selection{background:rgba(46,86,127,.85);color:#fff}
:focus-visible{outline:2px solid var(--link);outline-offset:3px;border-radius:6px}
.wrap{width:min(var(--wrap),100% - var(--gut)*2);margin:0 auto}
.ico{display:inline-block;width:1em;height:1em;flex:none;vertical-align:-.12em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ── 頂欄 ── */
.nav{position:sticky;top:0;z-index:30;background:rgba(0,0,0,.82);-webkit-backdrop-filter:saturate(1.6) blur(18px);backdrop-filter:saturate(1.6) blur(18px);border-bottom:1px solid var(--faint)}
.nav-in{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;white-space:nowrap}
.brand img{border-radius:7px}
.nav-links{display:flex;gap:22px;margin-left:auto;font-size:13.5px;color:var(--dim)}
.nav-links a{white-space:nowrap;transition:color .25s}
.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--text)}
.nav-cta{height:36px;padding:0 16px;border-radius:99px;display:inline-flex;align-items:center;background:var(--line-green);color:#fff;font-size:13px;font-weight:600;white-space:nowrap}
.nav-cta:hover{background:#05b44d}
@media (max-width:900px){
  .nav-in{height:56px;gap:12px}
  .nav-links{order:3;position:absolute;left:0;right:0;top:56px;margin:0;padding:10px var(--gut);gap:8px;overflow-x:auto;scrollbar-width:none;background:#000;border-bottom:1px solid var(--faint)}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{flex:none;height:32px;padding:0 14px;border-radius:99px;background:var(--tile-2);display:inline-flex;align-items:center;font-size:13px}
  .nav-links a[aria-current=page]{background:var(--tile-3)}
  .nav-cta{margin-left:auto}
  main{padding-top:52px}
}

/* ── 麵包屑 ── */
.crumbs{display:flex;flex-wrap:wrap;gap:6px;padding-top:28px;font-size:12.5px;color:var(--mute)}
.crumbs a:hover{color:var(--text)}
.crumbs li+li::before{content:"/";margin-right:6px;color:#48484a}

/* ── 開頭 ── */
.hero{padding:clamp(40px,8vw,96px) 0 clamp(36px,6vw,64px)}
.eyebrow{font-size:clamp(14px,1.2vw,17px);font-weight:600;color:var(--mute)}
.hero h1{margin-top:10px;font-size:clamp(40px,6.4vw,80px);line-height:1.08;font-weight:600;letter-spacing:-.02em}
.hero .sub{margin-top:14px;font-size:clamp(18px,2vw,24px);font-weight:500;color:var(--text);line-height:1.5}
.hero .lede{margin-top:18px;max-width:40em;font-size:clamp(15px,1.25vw,17px);color:var(--dim);text-wrap:pretty}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.btn{height:52px;padding:0 24px;border-radius:99px;display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;background:var(--tile-3);color:var(--text);transition:background .25s,transform .25s var(--ease)}
.btn:hover{background:#3a3a3c}
.btn:active{transform:scale(.97);transition-duration:.08s}
.btn.pri{background:var(--cream);color:var(--ink)}
.btn.pri:hover{background:#fffdf7}
.btn.line{background:var(--line-green);color:#fff}
.btn.line:hover{background:#05b44d}
.btn .ico{transition:transform .3s var(--ease)}
.btn:hover .ico{transform:translateX(3px)}

/* ── 數據列 ── */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-top:clamp(36px,5vw,56px)}
.stat{padding:22px 22px 20px;border-radius:20px;background:var(--tile)}
.stat b{display:block;font-size:clamp(28px,3vw,40px);font-weight:600;letter-spacing:-.02em;line-height:1.1;font-variant-numeric:tabular-nums}
.stat b small{font-size:.5em;font-weight:500;color:var(--dim);margin-left:3px}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--dim)}

/* ── 區塊 ── */
.sec{padding:clamp(48px,7vw,88px) 0;border-top:1px solid var(--faint)}
.sec-head{max-width:44em;margin-bottom:clamp(24px,3.5vw,40px)}
.sec h2{font-size:clamp(28px,3.6vw,44px);line-height:1.15;font-weight:600;letter-spacing:-.015em}
.sec-head p{margin-top:12px;color:var(--dim);text-wrap:pretty}

/* 卡片格 */
.grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.tile{padding:24px;border-radius:22px;background:var(--tile)}
.tile .n{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--tile-3);font-family:var(--mono);font-size:12px;color:var(--dim)}
.tile h3{margin-top:14px;font-size:18px;font-weight:600;line-height:1.4}
.tile p{margin-top:6px;font-size:14.5px;color:var(--dim);text-wrap:pretty}
.tile.hl{background:var(--blue)}
.tile.hl .n{background:rgba(255,255,255,.18);color:#fff}
.tile.hl p{color:rgba(255,255,255,.8)}

/* 標籤列 */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips li{padding:8px 16px;border-radius:99px;background:var(--tile-2);font-size:14px;color:var(--text)}

/* 流程 */
.steps{display:grid;gap:10px;counter-reset:st}
.steps li{counter-increment:st;display:grid;grid-template-columns:48px 1fr;gap:4px 16px;padding:22px 24px;border-radius:20px;background:var(--tile)}
.steps li::before{content:counter(st,decimal-leading-zero);grid-row:span 2;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--tile-3);font-family:var(--mono);font-size:13px;color:var(--dim)}
.steps b{font-size:17px;font-weight:600}
.steps span{font-size:14.5px;color:var(--dim)}

/* 價格 */
.prices{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.price{position:relative;display:flex;flex-direction:column;padding:28px;border-radius:24px;background:var(--tile)}
.price em{font-style:normal;font-size:13px;font-weight:600;color:var(--mute)}
.price h3{margin-top:6px;font-size:22px;font-weight:600}
.price .amt{margin-top:14px;font-size:clamp(30px,3.4vw,40px);font-weight:600;letter-spacing:-.02em;line-height:1.1}
.price .amt small{font-size:15px;font-weight:500;color:var(--dim);margin-left:4px;letter-spacing:0}
.price p{margin-top:12px;font-size:14.5px;color:var(--dim);text-wrap:pretty}
.price ul{margin-top:16px;padding-top:16px;border-top:1px solid var(--faint);display:grid;gap:8px}
.price li{position:relative;padding-left:18px;font-size:14.5px;color:var(--dim)}
.price li::before{content:"";position:absolute;left:2px;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--text)}
.price li b{color:var(--text);font-weight:600}
.price .tag{position:absolute;top:22px;right:22px;padding:4px 12px;border-radius:99px;background:var(--blue);color:#fff;font-size:12px;font-weight:600}
.price .btn{margin-top:auto;align-self:flex-start}
.price ul+.btn{margin-top:22px}
.note{margin-top:16px;font-size:13.5px;color:var(--mute);text-wrap:pretty}

/* 作品 */
.works{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.work{display:flex;flex-direction:column;gap:4px;padding:22px;border-radius:20px;background:var(--tile);transition:background .25s}
.work:hover{background:var(--tile-2)}
.work em{font-style:normal;font-size:12.5px;color:var(--mute)}
.work b{font-size:17px;font-weight:600}
.work span{font-size:13.5px;color:var(--dim)}
.work i{margin-top:10px;font-style:normal;font-size:13.5px;color:var(--link);display:inline-flex;align-items:center;gap:6px}

/* 案例卡 */
.cases{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.case{display:flex;flex-direction:column;padding:24px;border-radius:24px;background:var(--tile);transition:background .25s}
.case:hover{background:var(--tile-2)}
.case .tags{display:flex;flex-wrap:wrap;gap:6px}
.case .tags span{padding:4px 10px;border-radius:99px;background:var(--tile-3);font-size:12px;color:var(--dim)}
.case .tags span:first-child{background:var(--blue);color:#fff}
.case h3{margin-top:14px;font-size:22px;font-weight:600}
.case h3 small{font-size:13.5px;font-weight:400;color:var(--dim);margin-left:6px}
.case .kpi{display:flex;gap:24px;margin-top:14px}
.case .kpi b{display:block;font-size:24px;font-weight:600;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.case .kpi b small{font-size:.55em;font-weight:500;color:var(--dim);margin-left:2px}
.case .kpi span{font-size:12.5px;color:var(--dim)}
.case p{margin-top:14px;font-size:14px;color:var(--dim);text-wrap:pretty}
.case i{margin-top:auto;padding-top:16px;font-style:normal;font-size:14px;color:var(--link);display:inline-flex;align-items:center;gap:6px}

/* 問答 */
.qa{display:grid;gap:10px}
.qa details{border-radius:18px;background:var(--tile)}
.qa summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;padding:20px 24px;font-size:16.5px;font-weight:600}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"";margin-left:auto;flex:none;width:28px;height:28px;border-radius:50%;background:var(--tile-3) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f7' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E") center/16px no-repeat;transition:transform .35s var(--ease)}
.qa details[open] summary::after{transform:rotate(180deg)}
.qa details p{padding:0 24px 22px;color:var(--dim);font-size:15px;text-wrap:pretty}

/* 案例頁：內文 */
.story{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:clamp(24px,4vw,56px);align-items:start}
.story-body p{color:var(--dim);font-size:16.5px;text-wrap:pretty}
.story-body p+p{margin-top:14px}
.story-body h2{margin-bottom:16px}
.story-side{position:sticky;top:96px;padding:24px;border-radius:22px;background:var(--tile);display:grid;gap:14px;font-size:14.5px}
.story-side dt{font-size:12.5px;color:var(--mute)}
.story-side dd{margin-top:2px;color:var(--text)}
.story-side .btn{width:100%;justify-content:center;margin-top:6px}
@media (max-width:900px){.story{grid-template-columns:1fr}.story-side{position:static}}

/* 結尾行動區 */
.cta{padding:clamp(56px,9vw,112px) 0;border-top:1px solid var(--faint);text-align:center}
.cta h2{font-size:clamp(30px,4.4vw,56px);font-weight:600;line-height:1.15;letter-spacing:-.015em}
.cta p{margin:14px auto 0;max-width:34em;color:var(--dim);text-wrap:pretty}
.cta .btns{justify-content:center}

/* 相關連結 */
.links{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.links a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;border-radius:18px;background:var(--tile);font-weight:600;transition:background .25s}
.links a:hover{background:var(--tile-2)}
.links a small{display:block;font-size:12.5px;font-weight:400;color:var(--mute)}

/* 頁尾 */
.foot{padding:40px 0 calc(40px + env(safe-area-inset-bottom));border-top:1px solid var(--faint);font-size:13px;color:var(--mute)}
.foot-nav{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));margin-bottom:32px}
.foot-nav b{display:block;margin-bottom:10px;color:var(--text);font-size:13px;font-weight:600}
.foot-nav a{display:block;padding:4px 0;color:var(--dim)}
.foot-nav a:hover{color:var(--text)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:8px 24px;padding-top:20px;border-top:1px solid var(--faint)}
.foot-bottom a:hover{color:var(--text)}
.foot-bottom span:last-child{margin-left:auto}
@media (max-width:640px){.foot-bottom span:last-child{margin-left:0}}

/* 進場：往上浮現（不支援 JS 時直接顯示） */
.js .rv{opacity:0;transform:translate3d(0,24px,0);transition:opacity .9s var(--ease),transform 1s var(--ease)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}}
@media (max-width:640px){
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{padding:18px 16px 16px;border-radius:18px}
  .stat b{font-size:26px}
  .stat span{font-size:12.5px}
  .tile,.price,.case{padding:22px 20px}
  .steps li{grid-template-columns:40px 1fr;padding:18px}
  .steps li::before{width:34px;height:34px}
}
@media (max-width:900px){.story-side>div{display:none}.story-side{padding:0;background:none}}