:root {
  --cream: #fbf6ec; --paper: #f4ecdc; --ink: #15181c; --ink2: #434a55; --line: #e2d7c0;
  --blue: #3e7cb1; --blue-d: #244a6b; --blue-l: #c9dded;
  --green: #4a9a76; --green-d: #2a5c46; --green-l: #c6e2d2;
  --plum: #7d67b5; --plum-d: #483872; --plum-l: #d6cdee;
  --amber: #e0873a; --amber-d: #96511a; --amber-l: #f8d9b8;
  --clay: #c9483f; --straw: #ffb199; --slate: #242930;
  --hue: var(--blue); --hue-d: var(--blue-d); --hue-l: var(--blue-l);
}
[data-hue="green"] { --hue: var(--green); --hue-d: var(--green-d); --hue-l: var(--green-l); }
[data-hue="plum"] { --hue: var(--plum); --hue-d: var(--plum-d); --hue-l: var(--plum-l); }
[data-hue="amber"] { --hue: var(--amber); --hue-d: var(--amber-d); --hue-l: var(--amber-l); }
* { box-sizing: border-box; }
body { margin: 0; background: var(--cream); color: var(--ink); font: 500 19px/1.75 "Noto Sans TC", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.mono { font-family: "DM Mono", ui-monospace, monospace; letter-spacing: .12em; text-transform: uppercase; font-size: 13px; }

/* 頁首 */
.top { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; }
.top a.brand { font-weight: 900; font-size: 20px; text-decoration: none; }
.top nav a { margin-left: 18px; font-size: 16px; font-weight: 700; text-decoration: none; border-bottom: 3px solid var(--straw); }

/* 首頁主視覺 */
.hero { background: var(--slate); color: var(--cream); border-radius: 28px; padding: 48px 44px; display: grid; grid-template-columns: 1.25fr 1fr; gap: 28px; align-items: center; overflow: hidden; }
.hero h1 { font-size: clamp(40px, 6.4vw, 78px); line-height: 1.08; font-weight: 900; margin: 10px 0 18px; }
.hero h1 em { font-style: normal; color: var(--straw); }
.hero p { font-size: 20px; margin: 0 0 22px; color: #e8e1d2; max-width: 30em; }
.hero .mono { color: var(--straw); }
.hero-figs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hero-figs canvas { width: 100%; aspect-ratio: 1; border-radius: 20px; }
.btn { display: inline-block; background: var(--straw); color: #231b04; font-weight: 900; padding: 12px 24px; border-radius: 999px; text-decoration: none; font-size: 18px; }
.btn.ghost { background: transparent; color: var(--cream); border: 2px solid #5b6470; margin-left: 8px; }

h2.sec { font-size: 34px; font-weight: 900; margin: 64px 0 6px; line-height: 1.25; }
p.lead { margin: 0 0 22px; color: var(--ink2); max-width: 40em; }

/* 三步驟 */
.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.how div { background: var(--paper); border-radius: 20px; padding: 22px 24px; }
.how b { display: block; font-size: 22px; font-weight: 900; margin-bottom: 4px; }
.how .n { font-family: "DM Mono", monospace; color: var(--amber); font-size: 15px; }

/* 動作卡片 */
.group-h { display: flex; align-items: baseline; gap: 12px; margin: 34px 0 12px; }
.group-h h3 { font-size: 24px; font-weight: 900; margin: 0; }
.group-h .dot { width: 14px; height: 14px; border-radius: 50%; background: var(--hue); display: inline-block; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.card { background: var(--hue); color: var(--cream); border-radius: 22px; text-decoration: none; overflow: hidden; display: flex; flex-direction: column; transition: transform .15s; }
.card:hover { transform: translateY(-4px); }
.card canvas { width: 100%; aspect-ratio: 4 / 3; display: block; }
.card .txt { padding: 14px 18px 18px; }
.card .mono { opacity: .8; }
.card h4 { font-size: 28px; font-weight: 900; margin: 2px 0 2px; line-height: 1.2; }
.card p { margin: 0; font-size: 16px; opacity: .92; }
.chip { display: inline-block; background: var(--hue-l); color: var(--hue-d); border-radius: 999px; padding: 1px 12px; font-size: 14px; font-weight: 900; margin-right: 6px; }

/* 動作頁 */
.ex-hero { background: var(--hue); color: var(--cream); border-radius: 28px; padding: 36px 40px; display: grid; grid-template-columns: 1fr 340px; gap: 24px; align-items: center; }
.ex-hero h1 { font-size: clamp(44px, 7vw, 84px); font-weight: 900; line-height: 1.05; margin: 6px 0 4px; }
.ex-hero .en { font: 800 24px "Inter Tight", sans-serif; letter-spacing: .12em; color: var(--hue-l); }
.ex-hero .meta { margin-top: 16px; font-size: 20px; }
.ex-hero .meta b { color: var(--straw); margin-right: 8px; }
.ex-hero canvas { width: 100%; aspect-ratio: 1; border-radius: 50%; }
.video { margin-top: 22px; border-radius: 22px; overflow: hidden; background: #000; aspect-ratio: 16 / 9; }
.video video { width: 100%; height: 100%; display: block; }
.vnote { font-size: 15px; color: var(--ink2); margin: 8px 4px 0; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.box { background: var(--paper); border-radius: 20px; padding: 20px 24px; }
.box h3 { margin: 0 0 4px; font-size: 20px; font-weight: 900; color: var(--hue); }
.box p { margin: 0; }

.steps { display: grid; gap: 14px; }
.step { display: grid; grid-template-columns: 240px 1fr; gap: 22px; background: #fff; border: 2px solid var(--line); border-radius: 22px; padding: 16px; align-items: center; }
.step canvas { width: 100%; aspect-ratio: 1; border-radius: 16px; }
.step .tag { display: inline-block; background: var(--hue); color: var(--cream); font-weight: 900; border-radius: 999px; padding: 0 14px; font-size: 15px; }
.step h3 { font-size: 28px; font-weight: 900; margin: 6px 0 6px; line-height: 1.25; }
.step ul { margin: 0 0 8px; padding-left: 1.2em; font-weight: 700; }
.step p { margin: 0; color: var(--ink2); }

.cmp { display: grid; grid-template-columns: 1fr 1fr; border-radius: 22px; overflow: hidden; margin-bottom: 14px; border: 2px solid var(--line); background: #fff; }
.cmp .side { padding: 0 0 14px; text-align: center; }
.cmp canvas { width: 100%; aspect-ratio: 4 / 3; display: block; }
.cmp .lab { font-size: 22px; font-weight: 900; margin-top: 10px; }
.cmp .bad .lab { color: #5b6470; } .cmp .good .lab { color: var(--hue); }
.cmp .say { grid-column: 1 / -1; padding: 12px 20px 16px; border-top: 2px solid var(--line); color: var(--ink2); margin: 0; }

.dose { background: var(--hue-d); color: var(--cream); border-radius: 22px; padding: 28px 30px; text-align: center; }
.dose .big { font-size: clamp(34px, 6vw, 62px); font-weight: 900; line-height: 1.15; }
.dose p { margin: 8px auto 0; max-width: 34em; color: #efe7d6; }
.stop { background: var(--clay); color: var(--cream); border-radius: 22px; padding: 24px 30px; }
.stop h3 { margin: 0 0 8px; font-size: 26px; font-weight: 900; }
.stop ul { margin: 0; padding-left: 1.2em; columns: 2; font-weight: 700; font-size: 20px; }
.stop p { margin: 12px 0 0; background: rgba(0,0,0,.22); border-radius: 12px; padding: 10px 14px; }
.src { font-size: 16px; color: var(--ink2); }
.src li { margin-bottom: 4px; word-break: break-word; }
.pager { display: flex; justify-content: space-between; gap: 12px; margin: 40px 0 0; }
.pager a { flex: 1; background: var(--paper); border-radius: 18px; padding: 14px 20px; text-decoration: none; font-weight: 900; font-size: 20px; }
.pager a small { display: block; font-weight: 500; color: var(--ink2); font-size: 14px; }
.pager a:last-child { text-align: right; }

footer { margin: 70px 0 0; background: var(--slate); color: #cfd5dc; padding: 34px 0 44px; font-size: 16px; }
footer b { color: var(--cream); }
footer a { color: var(--straw); }

@media (max-width: 760px) {
  body { font-size: 18px; }
  .hero, .ex-hero { grid-template-columns: 1fr; padding: 30px 24px; }
  .ex-hero canvas { max-width: 260px; margin: 0 auto; }
  .how, .two { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; }
  .step canvas { max-width: 300px; margin: 0 auto; }
  .stop ul { columns: 1; }
  .top nav a { margin-left: 10px; font-size: 15px; }
  h2.sec { font-size: 28px; margin-top: 48px; }
}