/* AI 落地作品集｜色票與字體取自 品牌視覺/DesignKit_樣品屋.html TOKENS 正本 */
:root{
  --amber:#E07B2A; --amber-d:#B85F17; --amber-soft:#FBEEDF; --on-amber:#fff;
  --forest:#29473C; --forest-2:#3A6353; --forest-soft:#E4ECE7;
  --s1:#6E9C8C; --s2:#4E7A69; --s3:#375E4E; --s4:#26443A;
  --paper:#FBF6ED; --card:#FFFFFF; --ink:#33241A; --muted:#6F6356;
  --line:#E3D9C8; --hair:#EFE7D8;
  --shadow:0 1px 2px rgba(51,36,26,.05),0 10px 26px rgba(51,36,26,.08);
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei","Segoe UI",system-ui,sans-serif;
  --top:64px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{
    --paper:#121915; --card:#1A231E; --ink:#EAEFEB; --muted:#A3AEA6;
    --line:#2C3A32; --hair:#26332C;
    --amber:#EE9A4D; --amber-d:#F2B173; --amber-soft:#3A2B1A; --on-amber:#121915;
    --forest:#7FB6A2; --forest-2:#6AA48F; --forest-soft:#1E2E27;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 28px rgba(0,0,0,.32);
    color-scheme:dark;
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.75;
  -webkit-font-smoothing:antialiased;word-break:normal;overflow-wrap:anywhere}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{line-height:1.3;margin:0;text-wrap:balance}
p{margin:0}
ul,ol{margin:0;padding:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:20;background:var(--amber);color:var(--on-amber);padding:8px 14px;border-radius:8px;font-weight:700;text-decoration:none}
.skip:focus{top:12px}

/* 頂部導覽：四個深連結 */
.topbar{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--paper) 92%,transparent);
  backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--hair)}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:var(--top)}
.brand{font-weight:900;text-decoration:none;white-space:nowrap;font-size:1rem}
.brand span{font-weight:600;color:var(--muted);font-size:.85rem}
.topbar nav{margin-left:auto;overflow-x:auto;scrollbar-width:none}
.topbar nav::-webkit-scrollbar{display:none}
.topbar nav ul{display:flex;gap:4px;list-style:none}
.topbar nav a{display:block;padding:8px 12px;border-radius:999px;text-decoration:none;font-size:.92rem;font-weight:700;white-space:nowrap;color:var(--forest)}
.topbar nav a:hover{background:var(--forest-soft)}
@media (max-width:640px){
  .topbar-inner{flex-direction:column;align-items:flex-start;gap:0;padding-top:8px}
  .brand span{display:none}
  .topbar nav{margin-left:-12px;width:calc(100% + 24px)}
  :root{--top:92px}
}
section[id],.case{scroll-margin-top:calc(var(--top) + 12px)}

/* 首屏 */
.hero{padding:56px 0 40px}
.eyebrow{font-size:.78rem;letter-spacing:.16em;color:var(--amber-d);font-weight:800;margin-bottom:10px}
.hero h1{font-size:clamp(2.2rem,6vw,3.4rem);font-weight:900;letter-spacing:.01em}
.hero .role{display:block;font-size:clamp(1.05rem,2.6vw,1.35rem);font-weight:700;color:var(--forest);margin-top:8px;letter-spacing:.02em}
.lead{font-size:clamp(1.08rem,2.4vw,1.28rem);max-width:40em;margin-top:18px;line-height:1.8}
.strengths{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin-top:18px}
.strengths li{background:var(--forest-soft);color:var(--forest);font-weight:700;font-size:.9rem;padding:4px 12px;border-radius:999px}

/* 案例 */
.cases{display:grid;gap:28px;padding-top:8px;padding-bottom:40px}
.case{background:var(--card);border:1px solid var(--hair);border-radius:22px;padding:clamp(22px,4vw,40px);box-shadow:var(--shadow)}
.case-head{margin-bottom:22px}
.case-no{font-size:.85rem;font-weight:900;color:var(--muted);letter-spacing:.08em}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 10px}
.tag{font-size:.8rem;font-weight:800;padding:3px 10px;border-radius:999px;background:var(--forest-soft);color:var(--forest)}
.tag.is-live{background:var(--amber-soft);color:var(--amber-d)}
.tag.is-proto{background:transparent;border:1px dashed var(--forest-2)}
.case h2{font-size:clamp(1.35rem,3.2vw,1.8rem);font-weight:900}
.case-intro{margin-top:12px;color:var(--muted);max-width:52em}
.case-body{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:28px;align-items:start}
@media (max-width:860px){.case-body{grid-template-columns:1fr}}
.case-figure{margin:0;border-radius:14px;overflow:hidden;border:1px solid var(--hair)}
.rows{margin:0;display:grid;gap:14px}
.row{display:grid;grid-template-columns:6.2em 1fr;gap:12px}
.row dt{font-weight:800;color:var(--forest);font-size:.92rem;padding-top:2px}
.row dd{margin:0}
.row-strong dd{font-weight:700}
@media (max-width:480px){.row{grid-template-columns:1fr;gap:2px}}

/* 工具 */
.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;list-style:none}
@media (max-width:900px){.tools{grid-template-columns:1fr}}
.tool{display:flex;flex-direction:column;border:1px solid var(--hair);border-radius:16px;overflow:hidden;background:var(--paper)}
.tool figure{margin:0;border-bottom:1px solid var(--hair);aspect-ratio:16/10;overflow:hidden}
.tool figure img{width:100%;height:100%;object-fit:cover;object-position:top left}
.tool-text{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.tool-note{font-size:.76rem;font-weight:800;color:var(--forest);letter-spacing:.04em}
.tool h3{font-size:1.2rem;font-weight:900}
.tool-text p:not(.tool-note){color:var(--ink);font-size:.95rem;flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 18px;border-radius:12px;
  background:var(--forest);color:var(--paper);font-weight:800;text-decoration:none;align-self:flex-start;transition:background .15s}
.btn:hover{background:var(--forest-2)}
@media (prefers-color-scheme:dark){.btn{color:#121915}}
.tool .btn::after{content:"↗";font-weight:700}

/* 能力範圍 */
.method{padding:24px 0 48px}
.method h2{font-size:clamp(1.35rem,3.2vw,1.8rem);font-weight:900}
.scope{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
@media (max-width:640px){.scope{grid-template-columns:1fr}}
.scope-col{border-radius:14px;padding:16px 18px;background:var(--forest-soft)}
.scope-team{background:var(--card);border:1px solid var(--hair)}
.scope-col h3{font-size:1rem;font-weight:900;color:var(--forest);margin-bottom:8px}
.scope-col ul{list-style:none;display:flex;flex-wrap:wrap;gap:6px 14px}
.scope-col li::before{content:"・";color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.footer{padding:0 0 30px;color:var(--muted);font-size:.85rem}
.footer p{border-top:1px solid var(--line);padding-top:18px}