:root {
  --yellow: #FFD43B;
  --ink: #0B0B0B;
  --paper: #FFFFFF;
  --soft: #F5F5F2;
  --grey: #6B6B6B;
  --line: #E6E6E1;
  --radius: 20px;
  --zh: "Noto Sans TC", "PingFang TC", -apple-system, BlinkMacSystemFont, sans-serif;
  --en: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --display: "Bangers", "Impact", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--zh); line-height: 1.7; font-size: 17px; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 900; font-size: 20px; letter-spacing: .02em; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.brand small { font-family: var(--display); font-weight: 400; font-size: 17px; letter-spacing: .06em; color: var(--grey); }
.nav { display: flex; gap: 18px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--grey); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

/* hero */
.hero { background: var(--yellow); }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 32px; padding-top: 56px; padding-bottom: 56px; }
.hero h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.12; margin: 0 0 16px; font-weight: 900; letter-spacing: .01em; }
.hero h1 .drama { font-family: var(--display); font-weight: 400; letter-spacing: .04em; display: block; font-size: .78em; }
.hero p.lead { font-size: 20px; margin: 0 0 6px; }
.hero p.en { font-family: var(--en); color: rgba(11,11,11,.7); margin: 0 0 28px; font-size: 16px; }
.badge { display: inline-flex; align-items: center; gap: 10px; background: var(--ink); color: var(--paper); padding: 14px 22px; border-radius: 999px; font-weight: 700; text-decoration: none; }
.badge span { font-family: var(--en); font-weight: 400; opacity: .75; font-size: 14px; }
.hero-art { border-radius: 28px; }

/* sections */
section.block { padding: 72px 0; }
section.block.alt { background: var(--soft); }
h2 { font-size: 32px; line-height: 1.3; margin: 0 0 4px; font-weight: 900; }
.en-sub { font-family: var(--en); color: var(--grey); font-size: 15px; margin: 0 0 32px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.alt .card { border-color: transparent; }
.card .num { font-family: var(--display); font-size: 34px; line-height: 1; background: var(--yellow); display: inline-block; padding: 6px 12px 2px; border-radius: 12px; margin-bottom: 14px; }
.card h3 { margin: 0 0 6px; font-size: 20px; }
.card p { margin: 0; color: #333; font-size: 16px; }
.card p.en { font-family: var(--en); color: var(--grey); font-size: 14px; margin-top: 8px; line-height: 1.55; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

/* legal + support pages */
.page-head { background: var(--yellow); padding: 48px 0 40px; }
.page-head h1 { margin: 0; font-size: 40px; font-weight: 900; line-height: 1.2; }
.page-head p { margin: 6px 0 0; font-family: var(--en); color: rgba(11,11,11,.7); }
.doc { padding: 40px 0 72px; }
.doc .meta { color: var(--grey); font-size: 14px; margin-bottom: 28px; }
.doc h2 { font-size: 22px; margin: 36px 0 8px; }
.doc p, .doc li { font-size: 16.5px; }
.doc ul { padding-left: 1.2em; }
.doc .en { font-family: var(--en); color: var(--grey); font-size: 15px; line-height: 1.6; border-left: 3px solid var(--yellow); padding-left: 14px; margin: 10px 0 0; }
.doc .en p, .doc .en li { font-size: 15px; }
.lang-split { margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--line); }
.lang-split > h2:first-child { margin-top: 0; }
.mail { display: inline-block; font-weight: 800; font-size: 20px; background: var(--yellow); padding: 10px 18px; border-radius: 12px; text-decoration: none; margin: 8px 0; }
details { border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; margin: 10px 0; background: var(--paper); }
summary { cursor: pointer; font-weight: 700; }
details p { margin: 10px 0 0; }

/* footer */
footer { background: var(--ink); color: #CFCFCF; padding: 40px 0; font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }
footer a { color: #FFFFFF; text-decoration: none; margin-right: 18px; }
footer a:hover { text-decoration: underline; }

@media (max-width: 820px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: 36px; }
  .hero-art { order: -1; }
  .steps, .grid2 { grid-template-columns: 1fr; }
  .nav { gap: 12px; font-size: 14px; }
  .brand small { display: none; }
  section.block { padding: 52px 0; }
}
@media (max-width: 420px) {
  .nav a.hide-sm { display: none; }
}