:root {
  color-scheme: light;
  --paper: #f7f7f0;
  --surface: #ffffff;
  --ink: #253c31;
  --muted: #5d6a60;
  --green: #28583d;
  --green-dark: #1e4430;
  --soft: #e8eee2;
  --line: #d9e0d5;
  --gold: #8c703a;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.8; }
a { color: var(--green); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; border-radius: 3px; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
svg { display: block; }
p, h1, h2, h3 { margin-top: 0; }
p { margin-bottom: 1em; }
strong { font-weight: 650; }
.shell { width: min(1120px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 10; top: 8px; left: 12px; padding: 10px 18px; background: var(--green); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 27px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 43px; height: 43px; border-radius: 13px; background: var(--green); color: white; font-family: "Songti SC", "STSong", serif; font-size: 26px; line-height: 1; }
.brand-name { font-weight: 650; font-size: 21px; letter-spacing: .08em; }
.brand-subtitle { display: block; color: var(--muted); font-size: 10px; font-weight: 500; letter-spacing: .18em; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.nav-links a { color: var(--muted); text-decoration: none; padding-block: 10px; }
.nav-links a[aria-current="page"] { color: var(--green); font-weight: 650; }
.nav-links a:hover { color: var(--green); text-decoration: underline; }
.hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(220px, .6fr); align-items: center; gap: 70px; padding-block: 76px 66px; }
.eyebrow { display: flex; gap: 10px; align-items: center; color: var(--green); font-size: 12px; font-weight: 650; letter-spacing: .14em; margin-bottom: 20px; }
.eyebrow::before { content: ""; width: 20px; height: 2px; background: var(--gold); }
h1 { font-size: clamp(36px, 4.4vw, 56px); line-height: 1.4; font-weight: 600; letter-spacing: -.035em; margin-bottom: 22px; }
.hero-intro { max-width: 590px; color: var(--muted); font-size: 17px; line-height: 1.95; margin-bottom: 25px; }
.inline-link { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; }
.hero-note { position: relative; padding: 30px 0 30px 32px; border-left: 1px solid #cbd5c5; }
.hero-note .language-mark { font-family: "Songti SC", "STSong", Georgia, serif; font-size: 48px; letter-spacing: -.03em; line-height: 1.2; margin-bottom: 22px; color: var(--green); }
.hero-note .language-mark span { color: var(--gold); font-family: -apple-system, sans-serif; font-size: 28px; vertical-align: middle; margin-inline: 9px; }
.hero-note p { font-size: 14px; color: var(--muted); line-height: 1.9; margin-bottom: 0; }
.hero-note strong { display: block; color: var(--ink); font-size: 16px; margin-bottom: 5px; }
.quick-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; padding-bottom: 64px; }
.quick-link { display: flex; align-items: center; gap: 16px; color: var(--ink); text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px 23px; transition: border-color .15s, background .15s; }
.quick-link:hover { background: #f0f4eb; border-color: #9fb19b; }
.quick-icon { color: var(--green); flex: 0 0 24px; }
.quick-title { display: block; font-size: 16px; font-weight: 600; }
.quick-caption { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }
.quick-arrow { color: #798a78; margin-left: auto; font-size: 20px; font-weight: 400; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 72px; align-items: start; padding-bottom: 72px; }
.help-section + .help-section { margin-top: 38px; }
.section-title { display: flex; align-items: baseline; gap: 13px; font-size: 22px; line-height: 1.5; font-weight: 600; margin-bottom: 18px; }
.section-number { font-size: 12px; font-weight: 550; color: var(--gold); letter-spacing: .07em; }
.faq { border-top: 1px solid var(--line); }
.faq:last-child { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 22px; cursor: pointer; padding: 21px 0; font-size: 16px; line-height: 1.6; font-weight: 550; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: 0 0 20px; text-align: center; font-size: 22px; font-weight: 400; line-height: 1; color: var(--green); }
.faq[open] summary::after { content: "−"; }
.faq-answer { color: var(--muted); font-size: 15px; padding: 0 32px 19px 0; line-height: 1.95; }
.faq-answer p:last-child, .faq-answer ol:last-child { margin-bottom: 0; }
.faq-answer ol { padding-left: 1.5em; }
.faq-answer li + li { margin-top: .4em; }
.faq-answer strong { color: var(--ink); }
.support-aside { position: sticky; top: 28px; background: var(--soft); border-radius: 17px; padding: 28px; }
.aside-mark { width: 33px; height: 33px; margin-bottom: 18px; color: var(--green); }
.support-aside h2 { font-size: 19px; line-height: 1.5; font-weight: 600; margin-bottom: 12px; }
.support-aside p { font-size: 14px; color: var(--muted); line-height: 1.85; }
.support-aside ul { padding-left: 1.2em; margin: 17px 0; font-size: 13px; color: var(--muted); }
.support-aside li + li { margin-top: 6px; }
.support-aside .note { font-size: 12px; padding-top: 17px; border-top: 1px solid #ced8c8; margin-top: 20px; margin-bottom: 0; }
.mail-link { font-size: 13px; overflow-wrap: anywhere; font-weight: 600; }
.contact-panel { background: var(--green); color: #fff; padding: 35px 40px; border-radius: 18px; display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-bottom: 58px; }
.contact-panel h2 { font-weight: 550; font-size: 23px; margin-bottom: 6px; }
.contact-panel p { color: #e0e8de; font-size: 14px; margin-bottom: 0; }
.contact-button { flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; gap: 12px; color: var(--green-dark); background: #f7f7ef; border-radius: 9px; padding: 12px 20px; text-decoration: none; font-size: 14px; font-weight: 600; }
.contact-button:hover { background: white; }
.site-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 28px; padding-block: 26px 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.site-footer p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; }
.site-footer a { color: var(--muted); }
.privacy-hero { padding-block: 64px 35px; }
.privacy-hero h1 { font-size: clamp(34px, 4.4vw, 46px); margin-bottom: 12px; }
.privacy-date { font-size: 13px; color: var(--muted); }
.privacy-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 65px; align-items: start; padding-bottom: 70px; }
.policy-nav { position: sticky; top: 28px; border-left: 1px solid var(--line); padding-left: 20px; }
.policy-nav p { font-size: 11px; letter-spacing: .12em; color: var(--muted); margin-bottom: 15px; }
.policy-nav a { display: block; padding-block: 7px; color: var(--muted); font-size: 13px; text-decoration: none; }
.policy-nav a:hover { color: var(--green); text-decoration: underline; }
.privacy-article { max-width: 760px; }
.policy-summary { background: var(--soft); border-radius: 15px; padding: 24px 28px; margin-bottom: 33px; }
.policy-summary p { font-size: 15px; margin-bottom: 0; line-height: 1.95; }
.privacy-article section + section { margin-top: 33px; }
.privacy-article h2 { font-size: 20px; font-weight: 600; line-height: 1.5; margin-bottom: 13px; }
.privacy-article p, .privacy-article li { font-size: 15px; color: var(--muted); line-height: 1.95; }
.privacy-article ul { padding-left: 1.4em; }
.privacy-article li + li { margin-top: 8px; }
.privacy-article strong { color: var(--ink); }
.not-found { max-width: 670px; margin: 70px auto 100px; }
.not-found p { color: var(--muted); }
.not-found .contact-button { background: var(--green); color: white; margin-top: 10px; }
@media (max-width: 960px) {
  .shell { width: min(100% - 48px, 1120px); }
  .hero { gap: 38px; padding-block: 56px; }
  .quick-links { gap: 12px; padding-bottom: 48px; }
  .quick-link { gap: 11px; padding: 18px; }
  .quick-caption { font-size: 11px; }
  .quick-arrow { display: none; }
  .content-layout { gap: 34px; grid-template-columns: minmax(0, 1fr) 240px; }
  .support-aside { padding: 24px; }
  .privacy-layout { gap: 35px; grid-template-columns: 180px minmax(0, 1fr); }
}
@media (max-width: 700px) {
  .shell { width: calc(100% - 36px); }
  .site-header { padding-block: 19px; gap: 12px; }
  .brand { gap: 10px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 11px; font-size: 24px; }
  .brand-name { font-size: 19px; }
  .brand-subtitle { font-size: 9px; }
  .nav-links { gap: 20px; font-size: 13px; }
  .hero { grid-template-columns: 1fr; padding-block: 43px 34px; gap: 26px; }
  .eyebrow { font-size: 11px; margin-bottom: 17px; }
  h1 { font-size: clamp(32px, 8.7vw, 43px); margin-bottom: 18px; }
  .hero-intro { font-size: 15px; margin-bottom: 19px; }
  .hero-note { padding: 13px 0 13px 19px; display: flex; align-items: center; gap: 23px; }
  .hero-note .language-mark { font-size: 31px; white-space: nowrap; margin-bottom: 0; }
  .hero-note .language-mark span { font-size: 19px; margin-inline: 5px; }
  .hero-note strong { font-size: 13px; margin-bottom: 1px; }
  .hero-note p { font-size: 11px; }
  .quick-links { gap: 8px; padding-bottom: 40px; }
  .quick-link { padding: 17px 8px 14px; flex-direction: column; text-align: center; gap: 10px; border-radius: 12px; }
  .quick-title { font-size: 13px; }
  .quick-caption { font-size: 10px; margin-top: 1px; }
  .quick-icon { flex-basis: auto; }
  .content-layout { display: flex; flex-direction: column; gap: 35px; padding-bottom: 35px; }
  .faq-groups { width: 100%; }
  .section-title { font-size: 20px; margin-bottom: 15px; gap: 10px; }
  .faq summary { font-size: 15px; padding-block: 19px; }
  .faq-answer { padding-right: 9px; font-size: 14px; }
  .help-section + .help-section { margin-top: 31px; }
  .support-aside { position: static; width: 100%; padding: 25px; }
  .support-aside ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; }
  .support-aside li + li { margin-top: 0; }
  .contact-panel { align-items: flex-start; flex-direction: column; gap: 22px; padding: 27px; margin-bottom: 36px; }
  .contact-panel h2 { font-size: 21px; }
  .contact-panel p { font-size: 13px; }
  .site-footer { padding-block: 23px 30px; font-size: 11px; }
  .privacy-hero { padding-block: 42px 20px; }
  .privacy-layout { display: flex; flex-direction: column; gap: 24px; padding-bottom: 40px; }
  .policy-nav { position: static; display: flex; flex-wrap: wrap; gap: 1px 18px; padding: 10px 0 17px; border-left: 0; border-bottom: 1px solid var(--line); width: 100%; }
  .policy-nav p { display: none; }
  .policy-nav a { font-size: 12px; padding-block: 4px; }
  .policy-summary { padding: 23px; margin-bottom: 28px; }
  .privacy-article p, .privacy-article li, .policy-summary p { font-size: 14px; }
  .privacy-article h2 { font-size: 19px; }
  .not-found { margin-block: 50px 65px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .quick-link { transition: none; } }
@media print {
  body { background: white; color: black; }
  .shell { width: 100%; }
  .skip-link, .nav-links, .quick-links, .support-aside, .policy-nav, .contact-panel { display: none; }
  .hero { padding-block: 24px; }
  .content-layout, .privacy-layout { display: block; }
  .faq-answer { display: block; }
  .privacy-article { max-width: none; }
  .site-footer { margin-top: 25px; }
}