/* Purpose Design · job: product information · macro: product-workbench
 * nav: minimal-contextual · rhythm: alternating-proof · proof: artifact-led
 * direction: warm-editorial-service · motion: functional-state-only
 * Brand anchors: deep green, warm paper, existing icon and actual interface.
 */
:root {
  --ink: #18312b;
  --muted: #53675e;
  --paper: #f3efe5;
  --surface: #fffdf7;
  --line: #d0d4c8;
  --green: #1d6b55;
  --green-dark: #124b3b;
  --warm: #a34a26;
  --sage: #e5eee7;
  --white: #ffffff;
  --radius: 12px;
  --body-font: 'Microsoft JhengHei', 'PingFang TC', system-ui, sans-serif;
  --display-font: 'Noto Serif TC', 'Songti TC', 'PMingLiU', Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body-font); font-size: 17px; line-height: 1.75; }
a { color: var(--green-dark); text-underline-offset: 4px; }
a:hover { color: var(--warm); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 5px; border-radius: 3px; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2 { font-family: var(--display-font); font-weight: 700; }
h1 { font-size: clamp(40px, 5.4vw, 70px); line-height: 1.18; letter-spacing: -.01em; }
h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.3; letter-spacing: 0; }
h3 { font-size: 22px; line-height: 1.4; }
p + p { margin-top: 16px; }
.container { width: min(1160px, calc(100% - 80px)); margin-inline: auto; }
.skip { position: fixed; z-index: 3; left: 16px; top: -90px; padding: 12px 20px; background: var(--surface); }
.skip:focus { top: 12px; }
.header { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 112px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 42px; height: 42px; }
.brand strong { display: block; font-size: 21px; line-height: 1.3; }
.brand small { display: block; color: var(--muted); font-size: 11px; letter-spacing: .12em; }
.nav { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 26px; }
.nav a { text-decoration: none; font-size: 14px; font-weight: 600; }
.nav a[aria-current='page'] { text-decoration: underline; }
.nav .language { padding: 5px 13px; border: 1px solid var(--line); border-radius: 6px; }
.kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; font-size: 13px; font-weight: 600; color: var(--muted); }
.kicker::before { content: ''; width: 24px; height: 2px; background: var(--warm); }
.hero { display: grid; grid-template-columns: 1.16fr 1fr; align-items: end; gap: 80px; padding: 76px 0 52px; }
.hero h1 span { display: block; }
.hero-copy { max-width: 480px; padding-bottom: 3px; }
.hero-copy .lead { font-size: 20px; line-height: 1.8; }
.hero-copy .fine { margin-top: 22px; }
.brand-showcase .hero { min-height: 0; align-items: center; padding-block: 44px 56px; }
.brand-mark { width: 64px; height: 64px; margin-bottom: 24px; }
.guide .steps h2 { font-family: var(--body-font); font-size: 22px; line-height: 1.4; margin-bottom: 0; }
.guide .proof { margin-top: 36px; }
.get-page .status { color: var(--warm); font-size: 14px; font-weight: 600; }
.get-page .fine { margin-top: 16px; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 24px; margin-top: 27px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 48px; padding: 10px 21px; border: 1px solid var(--green); border-radius: 7px; background: var(--green); color: var(--white); font-size: 15px; font-weight: 600; text-decoration: none; transition: background-color 160ms ease, border-color 160ms ease; }
.button:hover { background: var(--green-dark); color: var(--white); border-color: var(--green-dark); }
.text-link { font-size: 15px; font-weight: 600; }
.fine { color: var(--muted); font-size: 13px; line-height: 1.65; }
.proof { margin: 0; padding: 20px 20px 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.proof figcaption { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 0 4px 17px; font-size: 13px; color: var(--muted); }
.proof img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 7px 7px 0 0; }
.section { padding: 92px 0; }
.workflow { display: grid; grid-template-columns: .82fr 1.18fr; gap: 100px; }
.section-intro p { margin-top: 20px; color: var(--muted); max-width: 31em; }
.steps { padding: 0; margin: 0; list-style: none; counter-reset: steps; }
.steps li { position: relative; padding: 26px 0 26px 58px; border-top: 1px solid var(--line); counter-increment: steps; }
.steps li:first-child { padding-top: 0; border-top: 0; }
.steps li::before { content: '0' counter(steps); position: absolute; left: 0; color: var(--warm); font-family: Georgia, serif; font-size: 23px; }
.steps p { margin-top: 9px; color: var(--muted); font-size: 15px; }
.quiet { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding: 50px 54px; background: var(--sage); border-radius: var(--radius); }
.quiet p { margin-top: 16px; }
.quiet ul { padding-left: 20px; margin: 0 0 24px; }
.quiet li + li { margin-top: 8px; }
.availability { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding: 82px 0; }
.availability .status { display: inline-block; margin-bottom: 17px; color: var(--warm); font-size: 14px; font-weight: 600; }
.availability .aside { padding-left: 28px; border-left: 1px solid var(--line); }
.availability p { margin-top: 15px; }
.footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 28px; padding: 32px 0 40px; border-top: 1px solid var(--line); font-size: 13px; }
.footer .signature { color: var(--muted); }
.document { width: min(820px, 100%); margin: 0 auto; padding: 72px 0 85px; }
.document h1 { font-size: clamp(38px, 4.5vw, 58px); }
.document .intro { margin: 26px 0 40px; font-size: 19px; }
.document section { padding: 34px 0; border-top: 1px solid var(--line); }
.document h2 { margin-bottom: 18px; font-size: 28px; }
.document p { overflow-wrap: anywhere; }
.document ul { padding-left: 22px; }
.document li + li { margin-top: 10px; }
.document code { font-size: .91em; }
.support-panel { padding: 32px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); margin: 30px 0; }
.support-panel h2 { margin-bottom: 12px; }
.facts { margin: 22px 0; }
.facts div { display: grid; grid-template-columns: 126px 1fr; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; font-weight: 600; }
.not-ready { margin-top: 22px; padding-left: 18px; border-left: 3px solid var(--line); }
.back-link { display: inline-block; margin-top: 32px; }
@media (min-width: 1500px) { .container { width: min(1260px, calc(100% - 100px)); } .hero { gap: 110px; } }
@media (max-width: 900px) {
  .container { width: calc(100% - 48px); }
  .hero { gap: 32px; padding-top: 58px; }
  h1 { font-size: 48px; }
  .hero-copy .lead { font-size: 17px; }
  .workflow { gap: 46px; }
  .quiet { gap: 36px; padding: 36px; }
  .availability { gap: 40px; }
  .nav { gap: 20px; }
}
@media (max-width: 650px) {
  body { font-size: 16px; }
  .container { width: calc(100% - 40px); }
  .header { min-height: 124px; display: grid; gap: 15px; padding: 20px 0 18px; }
  .brand img { width: 36px; height: 36px; }
  .brand strong { font-size: 18px; }
  .nav { justify-content: flex-start; gap: 20px; }
  .nav a { font-size: 13px; }
  .nav .language { padding: 3px 10px; }
  .hero { grid-template-columns: 1fr; padding: 44px 0 34px; gap: 24px; }
  .brand-showcase .hero { min-height: 0; padding-block: 36px 44px; }
  h1 { font-size: 42px; line-height: 1.2; }
  .kicker { margin-bottom: 18px; font-size: 12px; }
  .hero-copy { max-width: 100%; }
  .hero-copy .lead { font-size: 17px; line-height: 1.8; }
  .actions { gap: 14px 19px; margin-top: 22px; }
  .hero-copy .fine { margin-top: 17px; }
  .proof { padding: 12px 12px 0; }
  .proof figcaption { font-size: 11px; padding: 0 0 12px; }
  .section { padding: 58px 0; }
  .workflow { grid-template-columns: 1fr; gap: 30px; }
  .steps li { padding-left: 48px; }
  .quiet { grid-template-columns: 1fr; padding: 28px 24px; gap: 27px; }
  .quiet ul { margin-bottom: 20px; }
  .availability { grid-template-columns: 1fr; padding: 57px 0; gap: 32px; }
  .availability .aside { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); padding-top: 28px; }
  .footer { display: grid; gap: 20px; font-size: 12px; }
  .document { padding: 45px 0 58px; }
  .document .intro { font-size: 17px; margin: 23px 0 28px; }
  .document section { padding: 28px 0; }
  .document h2 { font-size: 27px; }
  .support-panel { padding: 24px 20px; }
  .facts div { grid-template-columns: 1fr; gap: 1px; }
}
@media (max-width: 360px) {
  h1 { font-size: 38px; }
  .nav { gap: 15px; }
  .actions { align-items: flex-start; }
  .hero .text-link { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}