:root {
  --paper: #f7f5ef;
  --paper-deep: #edeae1;
  --white: #fffefa;
  --ink: #20231f;
  --muted: #74776f;
  --line: rgba(34, 38, 32, 0.13);
  --coral: #f17358;
  --coral-dark: #c94f37;
  --yellow: #f0c96a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 90% 4%, rgba(240, 201, 106, .22), transparent 31rem), var(--paper);
  color: var(--ink);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}
a { color: inherit; text-decoration: none; }

.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; }
.brand-mark { width: 40px; height: 40px; position: relative; border: 1px solid var(--ink); border-radius: 50%; display: block; flex: 0 0 auto; }
.brand-mark i { position: absolute; left: 9px; width: 21px; height: 1px; background: var(--ink); transform-origin: left center; }
.brand-mark i:nth-child(1) { top: 12px; transform: rotate(11deg); }
.brand-mark i:nth-child(2) { top: 19px; transform: rotate(-9deg); width: 17px; }
.brand-mark i:nth-child(3) { top: 26px; transform: rotate(7deg); width: 13px; }
.brand b, .brand small { display: block; }
.brand b { font-family: Arial, sans-serif; font-size: 14px; letter-spacing: .16em; }
.brand small { margin-top: 3px; color: var(--muted); font-size: 10px; }

.legal-header {
  width: min(1240px, calc(100% - 48px));
  min-height: 92px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid var(--line);
}
.legal-header nav { display: flex; align-items: center; gap: 26px; color: #646860; font-size: 11px; }
.legal-header nav a { padding: 10px 0; border-bottom: 1px solid transparent; }
.legal-header nav a:hover, .legal-header nav a[aria-current="page"] { color: var(--coral-dark); border-bottom-color: var(--coral); }
.home-button { justify-self: end; padding: 11px 15px; border: 1px solid var(--ink); border-radius: 999px; font-size: 11px; }
.home-button span { margin-left: 16px; }

.legal-shell { width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding: 80px 0 110px; }
.legal-hero { max-width: 820px; }
.eyebrow { color: var(--coral-dark); font: 700 10px/1 Arial, sans-serif; letter-spacing: .2em; }
.legal-hero h1 { margin: 20px 0 18px; font: 600 clamp(48px, 7vw, 88px)/1.05 "Noto Serif TC", serif; letter-spacing: -.06em; }
.legal-hero > p { max-width: 720px; margin: 0 0 21px; color: #555a52; font-size: 16px; line-height: 1.9; }
.legal-hero > small { color: #8a8e86; font-size: 10px; }

.legal-notice { margin: 44px 0 0; padding: 24px 27px; border: 1px solid rgba(201, 79, 55, .24); border-radius: 18px; background: rgba(255, 240, 229, .78); }
.legal-notice span { color: var(--coral-dark); font: 700 10px/1 Arial, sans-serif; letter-spacing: .12em; }
.legal-notice p { margin: 10px 0 0; color: #66584e; font-size: 12px; line-height: 1.8; }

.legal-content { display: grid; grid-template-columns: 230px 1fr; gap: 80px; margin-top: 72px; align-items: start; }
.legal-index { position: sticky; top: 30px; display: grid; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.legal-index > span { margin-bottom: 14px; color: var(--coral-dark); font: 700 10px/1 Arial, sans-serif; letter-spacing: .15em; }
.legal-index a { padding: 8px 0; color: #747970; font-size: 11px; line-height: 1.45; }
.legal-index a:hover { color: var(--ink); }

.legal-article { padding: 10px 42px 22px; border: 1px solid var(--line); border-radius: 28px; background: rgba(255, 254, 250, .78); box-shadow: 0 24px 70px rgba(57, 52, 41, .06); }
.legal-article section { scroll-margin-top: 30px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.legal-article section:last-child { border-bottom: 0; }
.legal-article h2 { margin: 0 0 20px; font: 600 25px/1.35 "Noto Serif TC", serif; letter-spacing: -.025em; }
.legal-article p, .legal-article li { color: #5c6159; font-size: 13px; line-height: 2; }
.legal-article p { margin: 0 0 12px; }
.legal-article p:last-child { margin-bottom: 0; }
.legal-article ul { margin: 0; padding-left: 22px; }
.legal-article li + li { margin-top: 7px; }
.legal-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.legal-links a { display: inline-flex; align-items: center; gap: 24px; padding: 11px 14px; border: 1px solid var(--ink); border-radius: 999px; font-size: 11px; transition: background .16s ease, color .16s ease; }
.legal-links a:hover { background: var(--ink); color: var(--white); }

footer { min-height: 120px; padding: 28px max(24px, calc((100vw - 1240px) / 2)); display: grid; grid-template-columns: 1fr auto 1fr; gap: 30px; align-items: center; border-top: 1px solid var(--line); background: #f2efe7; }
.footer-links { display: flex; gap: 22px; color: #686d65; font-size: 10px; }
footer > span { justify-self: end; color: #7a7e76; font: 9px/1 Arial, sans-serif; }

.oauth-result-page { min-height: 100vh; display: grid; place-content: center; padding: 24px; }
.oauth-result-card { width: min(620px, calc(100vw - 36px)); padding: 44px; border: 1px solid var(--line); border-radius: 28px; background: rgba(255, 254, 250, .88); box-shadow: 0 28px 80px rgba(61, 55, 42, .09); }
.result-mark { width: 58px; height: 58px; margin: 54px 0 20px; display: grid; place-content: center; border-radius: 50%; color: #fff; font: 700 25px/1 Arial, sans-serif; }
.result-mark.success { background: #63865b; }
.result-mark.failed { background: var(--coral-dark); }
.oauth-result-card h1 { margin: 0 0 14px; font: 600 clamp(38px, 6vw, 58px)/1.1 "Noto Serif TC", serif; letter-spacing: -.05em; }
.oauth-result-card > p { margin: 0; color: #656960; font-size: 13px; line-height: 1.8; }
.result-button { margin-top: 30px; display: inline-flex; gap: 35px; padding: 12px 15px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 11px; }

@media (max-width: 850px) {
  .legal-header { grid-template-columns: 1fr auto; }
  .legal-header nav { grid-column: 1 / -1; grid-row: 2; justify-content: center; padding: 10px 0 17px; border-top: 1px solid var(--line); }
  .legal-content { grid-template-columns: 1fr; gap: 30px; }
  .legal-index { position: static; grid-template-columns: repeat(2, 1fr); column-gap: 18px; }
  .legal-index > span { grid-column: 1 / -1; }
  footer { grid-template-columns: 1fr auto; }
  .footer-links { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 560px) {
  .legal-header, .legal-shell { width: min(100% - 30px, 1120px); }
  .legal-header { min-height: 75px; gap: 14px; }
  .brand small { display: none; }
  .home-button span { display: none; }
  .legal-header nav { gap: 16px; overflow-x: auto; justify-content: start; }
  .legal-shell { padding: 58px 0 76px; }
  .legal-hero h1 { font-size: 49px; }
  .legal-hero > p { font-size: 14px; }
  .legal-content { margin-top: 48px; }
  .legal-article { padding: 4px 21px 15px; border-radius: 22px; }
  .legal-article h2 { font-size: 21px; }
  .legal-article p, .legal-article li { font-size: 12px; }
  footer { grid-template-columns: 1fr; }
  footer > span { justify-self: start; }
  .footer-links { grid-column: 1; grid-row: auto; flex-wrap: wrap; }
  .oauth-result-card { padding: 29px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}