:root { --paper: #fffdf9; --paper2: #f6f2ed; --ink: #1e1a18; --ink2: #5e5650; --red: #c8102e; --red-dark: #a3192a; --line: #e9e1d7; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif; }
a { color: var(--red-dark); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; gap: 12px; padding-top: 14px; padding-bottom: 14px; }
header img { width: 36px; height: 36px; }
header a.home { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 19px; }
header nav { margin-left: auto; display: flex; gap: 18px; font-size: 15px; }
header nav a { color: var(--ink2); text-decoration: none; }
header nav a:hover { color: var(--red-dark); }
.hero { padding: 56px 0 32px; }
.hero h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.01em; }
.hero h1 span { color: var(--red); }
.hero p { font-size: 19px; color: var(--ink2); margin: 0 0 28px; max-width: 620px; }
.buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 8px; font-weight: 600; text-decoration: none; border: 2px solid var(--red); }
.btn.primary { background: var(--red); color: #fff; }
.btn.secondary { color: var(--red-dark); background: transparent; }
.shot { width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--line); display: block; margin: 8px 0 40px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin: 0 0 48px; }
.feature { background: var(--paper2); border-radius: 10px; padding: 18px 20px; }
.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--ink2); font-size: 15px; }
.doc { padding: 40px 0 56px; }
.doc h1 { font-size: 34px; margin: 0 0 6px; }
.doc .updated { color: var(--ink2); margin: 0 0 28px; font-size: 15px; }
.doc h2 { font-size: 21px; margin: 32px 0 8px; }
.doc li { margin-bottom: 8px; }
footer { border-top: 1px solid var(--line); color: var(--ink2); font-size: 14px; }
footer .wrap { padding-top: 20px; padding-bottom: 28px; display: flex; flex-wrap: wrap; gap: 8px 20px; }