:root {
  --ink: #28263a;
  --muted: #6e746f;
  --paper: #f3f6f3;
  --card: rgba(255,255,255,.74);
  --line: rgba(42,52,48,.11);
  --mint: #78a99f;
  --mint-deep: #477d73;
  --gold: #d7a95c;
  --shadow: 0 24px 70px rgba(44,62,56,.12), inset 0 1px 0 rgba(255,255,255,.92);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft JhengHei", "PingFang TC", sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; }
button, input, select, textarea { font: inherit; }

.ambient { position: fixed; z-index: -1; border-radius: 50%; filter: blur(2px); opacity: .62; }
.ambient-one { width: 48vw; height: 48vw; left: -22vw; top: -18vw; background: radial-gradient(circle, rgba(137,192,179,.45), transparent 68%); }
.ambient-two { width: 52vw; height: 52vw; right: -25vw; top: 34vh; background: radial-gradient(circle, rgba(231,190,113,.3), transparent 68%); }

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 22px auto 0;
  padding: 12px 14px 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255,255,255,.85);
  border-radius: 24px;
  background: rgba(250,252,250,.74);
  box-shadow: 0 12px 45px rgba(53,70,64,.08);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 14px;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; line-height: 1.25; }
.brand img { border-radius: 16px; box-shadow: 0 7px 18px rgba(48,77,67,.13); }
.brand span { display: grid; }
.brand strong { letter-spacing: .05em; }
.brand small { color: var(--muted); font-size: 11px; letter-spacing: .16em; }
nav { display: flex; gap: 4px; }
nav a { text-decoration: none; font-weight: 700; font-size: 14px; padding: 10px 17px; border-radius: 15px; }
nav a:hover { background: #e6efeb; }

main { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.hero { min-height: 690px; display: grid; grid-template-columns: 1.08fr .92fr; gap: 6vw; align-items: center; padding: 80px 3vw 55px; }
.eyebrow { color: var(--mint-deep); font-size: 12px; font-weight: 900; letter-spacing: .23em; margin: 0 0 20px; }
h1, h2, h3 { font-family: Georgia, "Noto Serif TC", serif; }
h1 { font-size: clamp(48px, 6.4vw, 88px); line-height: 1.14; letter-spacing: -.04em; margin: 0; }
h1 em { color: var(--mint-deep); font-style: normal; }
.hero-lead { max-width: 590px; margin: 30px 0 0; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 52px; padding: 0 23px; border: 0; border-radius: 17px; text-decoration: none; font-weight: 800; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.primary { color: white; background: var(--ink); box-shadow: 0 13px 28px rgba(40,38,58,.22); }
.secondary { background: rgba(255,255,255,.82); box-shadow: var(--shadow); }
.hero-mark { position: relative; text-align: center; }
.hero-mark .halo { position: absolute; inset: 8% 0 auto; aspect-ratio: 1; border-radius: 50%; background: linear-gradient(145deg, #f7e8c9, #dff0ea); box-shadow: inset 18px 18px 50px rgba(255,255,255,.8), 0 36px 80px rgba(51,78,69,.14); }
.hero-mark img { position: relative; width: min(420px, 90%); border-radius: 28%; filter: drop-shadow(0 30px 30px rgba(47,71,62,.16)); animation: float 6s ease-in-out infinite; }
.hero-mark p { position: relative; margin: -15px 0 0; color: var(--muted); font-size: 13px; letter-spacing: .16em; }
@keyframes float { 50% { transform: translateY(-10px) rotate(.4deg); } }

.trust-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: 30px; background: var(--line); box-shadow: var(--shadow); }
.trust-strip article { padding: 32px; background: rgba(252,253,252,.9); }
.trust-strip span { color: var(--gold); font: 700 13px Georgia, serif; }
.trust-strip strong { display: block; margin: 10px 0 3px; font-size: 18px; }
.trust-strip p { margin: 0; color: var(--muted); font-size: 14px; }

.section { padding: 120px 0 40px; scroll-margin-top: 90px; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; margin-bottom: 42px; }
.section-heading .eyebrow { grid-column: 1 / -1; }
.section-heading h2 { font-size: clamp(44px,6vw,76px); line-height: 1; margin: 0; letter-spacing: -.035em; }
.section-heading > p:last-child { margin: 0; justify-self: end; color: var(--muted); }
.policy-grid { display: grid; grid-template-columns: .76fr 1.24fr; gap: 24px; align-items: start; }
.policy-intro { position: sticky; top: 115px; min-height: 410px; padding: 42px; border-radius: 34px; color: white; background: linear-gradient(155deg,#4f8177,#315e57); box-shadow: 0 30px 70px rgba(49,94,87,.22); }
.policy-intro .seal { display: grid; place-items: center; width: 62px; height: 62px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; font-family: Georgia,serif; }
.policy-intro h3 { font-size: 36px; line-height: 1.3; margin: 70px 0 16px; }
.policy-intro p { color: rgba(255,255,255,.8); margin: 0; }
.policy-list { display: grid; gap: 12px; }
details { border: 1px solid rgba(255,255,255,.85); border-radius: 23px; background: var(--card); box-shadow: 0 13px 30px rgba(47,65,58,.07); overflow: hidden; }
summary { list-style: none; display: flex; align-items: center; justify-content: space-between; padding: 23px 26px; cursor: pointer; font-weight: 800; }
summary::-webkit-details-marker { display: none; }
summary b { font-size: 25px; color: var(--mint-deep); transition: transform .25s ease; }
details[open] summary b { transform: rotate(45deg); }
details div { padding: 0 26px 23px; color: var(--muted); }
details p { margin: 0; }
details a { color: var(--mint-deep); font-weight: 800; }

.support-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 7vw; align-items: center; padding-bottom: 120px; }
.support-copy h2 { font-size: clamp(42px,5.5vw,70px); line-height: 1.16; letter-spacing: -.035em; margin: 0 0 25px; }
.support-copy > p:not(.eyebrow) { color: var(--muted); max-width: 480px; }
.email-link { display: inline-grid; margin-top: 24px; text-decoration: none; }
.email-link span { color: var(--muted); font-size: 12px; letter-spacing: .16em; }
.email-link strong { color: var(--mint-deep); font-size: clamp(17px,2vw,25px); border-bottom: 2px solid rgba(71,125,115,.25); }
.support-form { padding: 38px; border: 1px solid rgba(255,255,255,.92); border-radius: 32px; background: rgba(255,255,255,.77); box-shadow: var(--shadow); }
.support-form label { display: grid; gap: 8px; margin-bottom: 20px; font-size: 13px; font-weight: 800; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 15px; color: var(--ink); background: rgba(242,246,243,.75); padding: 13px 15px; outline: none; }
textarea { resize: vertical; min-height: 150px; }
input:focus, select:focus, textarea:focus { border-color: var(--mint); box-shadow: 0 0 0 4px rgba(120,169,159,.14); }
.send-button { width: 100%; }
.send-button span { margin-left: auto; font-size: 21px; }
.form-note { text-align: center; color: var(--muted); font-size: 12px; margin: 12px 0 0; }

footer { width: min(1180px, calc(100% - 40px)); margin: 0 auto 26px; padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-brand { display: flex; align-items: center; gap: 9px; color: var(--ink); }
.footer-brand img { border-radius: 13px; }
footer div:last-child { display: flex; gap: 18px; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 820px) {
  .site-header { width: calc(100% - 24px); top: 8px; }
  nav a { padding: 9px 10px; font-size: 12px; }
  .brand small { display: none; }
  main { width: min(100% - 28px, 680px); }
  .hero { grid-template-columns: 1fr; padding: 70px 4px 60px; }
  .hero-mark { grid-row: 1; width: min(330px,80vw); margin: auto; }
  .hero-copy { text-align: center; }
  .hero-lead { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .trust-strip { grid-template-columns: 1fr; }
  .section { padding-top: 90px; }
  .section-heading, .policy-grid, .support-section { grid-template-columns: 1fr; }
  .section-heading > p:last-child { justify-self: start; margin-top: 15px; }
  .policy-intro { position: static; min-height: 330px; }
  .policy-intro h3 { margin-top: 45px; }
  .support-section { gap: 40px; padding-bottom: 80px; }
  footer { flex-wrap: wrap; gap: 12px 25px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}