:root {
  color-scheme: light;
  --background: #f7f8fc;
  --surface: #fff;
  --border: #e9eaf0;
  --text: #000;
  --muted: #8b8d9b;
  --accent: #03a3ff;
  --accent-hover: #008bd9;
  --gradient: linear-gradient(105deg, #03a3ff, #00e1a4);
  --control-surface: #f5f9fc;
  --control-hover: #eaf3f8;
  --scrollbar: #c0d2dc;
  --panel-padding: 20px;
  --section-gap: 24px;
  --font-small: 11px;
  --font-caption: 12px;
  --font-description: 13px;
  --font-content: 14px;
  --font-heading: 17px;
  --font-title: 38px;
  --font-domain: 14px;
  --number-size: 36px;
  --card-radius: 10px;
  --accent-border: color-mix(in srgb, var(--accent) 28%, var(--border));
  --accent-surface: color-mix(in srgb, var(--accent) 5%, var(--surface));
  --notice-accent: #b77721;
  --notice-surface: #fff4e7;
}
* { box-sizing: border-box; }
body { margin: 0; height: 100vh; height: 100dvh; overflow: hidden; background: radial-gradient(ellipse at 85% 0, #c9f1ed66, transparent 50%), var(--background); background-repeat: no-repeat; color: var(--text); font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: var(--font-content); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
h1, h2, h3, p { margin: 0; }
a, button { -webkit-tap-highlight-color: transparent; }
:is(a, button, input):focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 6px; }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.icon { flex: 0 0 20px; width: 20px; height: 20px; }
.page { display: flex; flex-direction: column; height: 100%; width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.header, footer { flex-shrink: 0; }
main { display: flex; flex: 1; flex-direction: column; min-height: 0; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--scrollbar) transparent; scroll-padding-block: 28px; }
main::-webkit-scrollbar { width: 6px; }
main::-webkit-scrollbar-thumb { border-radius: 8px; background: var(--scrollbar); }
.header { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 84px; padding-block: 18px; border-bottom: 1px solid var(--border); }
.brand { display: inline-flex; }
.brand img { display: block; width: 167px; height: 46px; }
.header-label { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: var(--font-caption); letter-spacing: 1px; }
.header-label .icon { width: 16px; height: 16px; flex-basis: 16px; color: var(--accent); }
.main-inner { display: flex; flex-shrink: 0; flex-direction: column; gap: var(--section-gap); padding: 16px 4px; }
.hero { display: flex; justify-content: space-between; align-items: center; gap: 32px; min-height: 120px; }
.eyebrow { color: var(--accent); font-size: var(--font-caption); letter-spacing: 3px; margin-bottom: 10px; }
h1 { font-size: var(--font-title); line-height: 1.4; font-weight: 650; letter-spacing: 1px; }
h1 span { background: var(--gradient); background-clip: text; -webkit-background-clip: text; color: transparent; }
.hero-description { margin-top: 12px; color: var(--muted); font-size: var(--font-description); }
.mobile-break { display: none; }
.home-art { position: relative; display: flex; align-items: center; justify-content: center; flex: 0 0 170px; height: 120px; margin-right: 30px; }
.orbit { position: absolute; width: 160px; height: 160px; border: 1px solid #35b7c385; border-radius: 50%; pointer-events: none; animation: home-ripple 5s ease-out infinite; }
.orbit-one { animation-delay: -2.5s; }
@keyframes home-ripple {
  0% { transform: scale(.43); opacity: 0; }
  18% { opacity: .85; }
  100% { transform: scale(1); opacity: 0; }
}
.orbit-point { position: absolute; top: 9px; right: 17px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 18px #38dfb088; }
.home-art-center { display: flex; align-items: center; justify-content: center; width: 74px; height: 74px; border-radius: 22px; color: var(--accent); background: linear-gradient(135deg, #e1f4ff, #ddf7ee); border: 1px solid #83c5ca66; transform: rotate(-8deg); }
.home-art-center svg { width: 34px; height: 34px; transform: rotate(8deg); }
.home-art-label { position: absolute; bottom: 0; padding: 3px 13px; border: 1px solid var(--border); border-radius: 20px; color: var(--muted); background: var(--background); font-size: var(--font-small); letter-spacing: 2px; }
.content { display: flex; flex-direction: column; align-items: stretch; gap: var(--section-gap); }
.panel { border: 1px solid var(--border); border-radius: 18px; background: var(--surface); box-shadow: 0 8px 32px #25455a06; }
h2 { font-size: var(--font-heading); line-height: 1.5; font-weight: 600; }
.section-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.section-heading h2 { margin-bottom: 4px; }
.section-heading p { color: var(--muted); font-size: var(--font-description); }
.address-list { display: flex; flex-direction: column; gap: 10px; list-style: none; margin: 0; padding: 0; }
.address-card { display: flex; align-items: center; gap: 14px; min-width: 0; padding: 16px var(--panel-padding); border: 1px solid var(--border); border-radius: var(--card-radius); background: var(--surface); }
.address-card.is-featured { border-color: var(--accent-border); background: var(--accent-surface); }
.address-number { display: flex; align-items: center; justify-content: center; flex: 0 0 var(--number-size); height: var(--number-size); border-radius: 8px; background: var(--control-hover); color: var(--accent); font-size: var(--font-description); font-weight: 700; }
.address-copy { flex: 1; min-width: 0; }
.address-label { font-size: var(--font-description); font-weight: 600; line-height: 22px; }
.address-domain, .contact-address { display: inline-flex; align-items: center; gap: 4px; max-width: 100%; color: var(--accent); overflow-wrap: anywhere; font-size: var(--font-domain); font-weight: 600; }
.address-actions { display: flex; flex-shrink: 0; align-items: center; gap: 8px; }
.button, .address-visit, .copy-small { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; gap: 7px; min-height: 36px; padding: 7px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); font-size: var(--font-caption); font-weight: 500; line-height: 20px; white-space: nowrap; }
.button { min-height: 44px; font-size: var(--font-description); }
.button-primary, .address-visit { border-color: transparent; background: var(--gradient); color: #fff; }
.button-primary { color: #041922; }
.button-copy { background: var(--control-surface); color: var(--muted); }
:is(.button, .address-visit, .copy-small) .icon { width: 15px; height: 15px; flex-basis: 15px; }
.copy-small.is-copied, .button-copy.is-copied { border-color: var(--accent-border); background: var(--accent-surface); color: var(--accent); }
button:disabled { cursor: wait; }
.contacts-list { display: flex; flex-wrap: wrap; gap: 14px; }
.contact { display: flex; flex: 0 0 calc((100% - 14px) / 2); flex-direction: column; align-items: flex-start; gap: 12px; min-width: 0; padding: var(--panel-padding); border: 1px solid var(--border); border-radius: var(--card-radius); background: var(--surface); }
.contact-heading { display: flex; align-items: center; gap: 10px; font-size: var(--font-content); font-weight: 600; }
.contact-icon { display: flex; align-items: center; justify-content: center; flex: 0 0 var(--number-size); height: var(--number-size); border-radius: 8px; color: var(--accent); background: var(--control-hover); }
.contact-description { color: var(--muted); font-size: var(--font-description); }
.contact-address { margin-top: auto; }
.contact-address .icon { width: 14px; height: 14px; flex-basis: 14px; }
.address-domain, .contact-address { transition: color .18s; }
.access-notice { display: flex; align-items: flex-start; gap: 10px; padding: 12px 16px; border: 1px solid color-mix(in srgb, var(--notice-accent) 22%, var(--border)); border-radius: 8px; background: var(--notice-surface); color: var(--notice-accent); font-size: var(--font-caption); line-height: 1.75; }
.access-notice .icon { width: 18px; height: 18px; flex-basis: 18px; margin-top: 2px; }
.recovery-list { --recovery-column-gap: 24px; display: flex; flex-wrap: wrap; gap: 16px var(--recovery-column-gap); padding: var(--panel-padding); margin: 0; border: 1px solid var(--border); border-radius: var(--card-radius); background: var(--surface); list-style: none; }
.recovery-list li { display: flex; flex: 0 0 calc((100% - var(--recovery-column-gap)) / 2); align-items: center; gap: 12px; min-width: 0; }
.recovery-icon { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 var(--number-size); height: var(--number-size); border-radius: 8px; background: var(--control-hover); color: var(--accent); font-size: var(--font-content); font-weight: 600; }
.recovery-icon .icon { width: 18px; height: 18px; flex-basis: 18px; }
.recovery-copy { display: flex; flex: 1; flex-direction: column; gap: 2px; min-width: 0; overflow-wrap: anywhere; }
.recovery-label { color: var(--muted); font-size: var(--font-caption); }
.recovery-copy a { color: var(--accent); font-size: var(--font-content); font-weight: 500; }
.access-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; min-height: 240px; padding: 32px; color: var(--muted); text-align: center; }
footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 60px; padding-block: 16px; border-top: 1px solid var(--border); font-size: var(--font-small); color: var(--muted); }
.footer-brand { display: flex; gap: 12px; }
.footer-divider { color: #bbcbd6; }
.notice { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: var(--font-small); }
.notice .icon { width: 15px; height: 15px; flex-basis: 15px; color: var(--accent); }
.toast { position: fixed; left: 50%; bottom: 78px; transform: translate(-50%, 8px); z-index: 5; max-width: calc(100% - 32px); width: max-content; padding: 10px 18px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); box-shadow: 0 8px 30px #25455a1f; color: var(--text); font-size: var(--font-description); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .18s, transform .18s, visibility .18s; }
.toast.is-visible { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.copy-dialog { width: min(420px, calc(100% - 32px)); padding: 28px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); color: var(--text); box-shadow: 0 16px 70px #25455a29; }
.copy-dialog::backdrop { background: #182d3c66; }
.copy-dialog p { margin-top: 10px; color: var(--muted); font-size: var(--font-description); }
.copy-dialog input { width: 100%; margin-block: 20px; padding: 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--background); color: var(--text); font-size: var(--font-heading); }
.copy-dialog form { display: flex; justify-content: flex-end; }
.copy-dialog .button-primary { flex: 0 0 auto; min-width: 96px; }
.clipboard-helper { position: fixed; top: 0; left: -9999px; width: 1px; height: 1px; padding: 0; border: 0; font-size: var(--font-heading); }
@media (min-width: 901px) {
  main { scrollbar-gutter: stable; }
}
@media (hover: hover) {
  .button-primary:hover { filter: brightness(.97); }
  .button-copy:not(.is-copied):hover, .copy-small:not(.is-copied):hover { color: var(--text); background: var(--control-hover); }
  .address-visit:hover { filter: brightness(.97); }
  .address-domain:hover, a.contact-address:hover, .recovery-list a:hover { color: var(--accent-hover); }
}
@media (max-width: 900px) {
  .page { width: min(680px, calc(100% - 40px)); }
  .main-inner { padding-inline: 0; }
  .home-art { margin-right: 0; }
  footer { flex-direction: column; gap: 12px; }
}
@media (max-width: 600px) {
  :root { --section-gap: 24px; --panel-padding: 16px; --number-size: 32px; --font-heading: 16px; }
  .page { width: calc(100% - 32px); }
  .header { min-height: 76px; padding-block: 18px; padding-top: calc(18px + env(safe-area-inset-top, 0px)); gap: 10px; }
  .brand img { width: 138px; height: 38px; }
  .header-label { font-size: 10px; letter-spacing: 0; gap: 4px; }
  .header-label .icon { width: 14px; height: 14px; flex-basis: 14px; }
  .main-inner { padding-block: 24px; }
  .hero { min-height: 0; }
  .eyebrow { font-size: 10px; letter-spacing: 2px; }
  h1 { font-size: clamp(24px, 6.5vw, 34px); letter-spacing: 0; }
  .hero-description { font-size: 12px; line-height: 1.9; margin-top: 10px; }
  .mobile-break { display: initial; }
  .home-art { display: none; }
  .panel { border-radius: 14px; }
  .button { padding-inline: 12px; font-size: 12px; }
  .section-heading p { font-size: 12px; line-height: 20px; }
  .address-card { flex-wrap: wrap; column-gap: 10px; row-gap: 12px; padding: 14px var(--panel-padding); }
  .address-copy { flex-basis: calc(100% - var(--number-size) - 10px); }
  .address-actions { width: 100%; padding-left: calc(var(--number-size) + 10px); justify-content: space-between; }
  .address-actions .copy-small { justify-content: flex-start; min-width: 44px; padding-inline: 0; border-color: transparent; background: transparent; color: var(--accent); }
  .address-visit { min-width: 96px; border-color: var(--border); background: var(--surface); color: var(--accent); }
  .address-actions .copy-small:not(.is-copied):hover { color: var(--accent-hover); background: transparent; }
  .copy-small, .address-visit { min-height: 44px; }
  .contacts-list { gap: 12px; }
  .contact { flex-basis: 100%; }
  .contact-description { font-size: 12px; }
  .access-notice { padding: 12px; font-size: 11px; }
  .recovery-list li { flex-basis: 100%; }
  .notice, footer { font-size: 10px; }
  footer { padding-block: 16px; padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px)); }
  .footer-brand { gap: 8px; }
  .toast { bottom: 24px; }
}
/* 与主站一致：1920px 起使用大屏档，超宽屏保持最大内容宽度。 */
@media (min-width: 1920px) {
  :root {
    --panel-padding: 24px;
    --section-gap: 24px;
    --font-small: 14px;
    --font-caption: 14px;
    --font-description: 16px;
    --font-content: 16px;
    --font-heading: 20px;
    --font-title: 44px;
    --font-domain: 18px;
    --number-size: 40px;
  }
  .page { width: min(1600px, calc(100% - 96px)); }
  .header { min-height: 104px; padding-block: 24px; }
  .brand img { width: 208px; height: auto; }
  .main-inner { padding-block: 24px; }
  .hero { min-height: 160px; }
  .home-art { flex-basis: 200px; height: 150px; }
  .orbit { width: 190px; height: 190px; }
  .home-art-center { width: 88px; height: 88px; }
  .home-art-center svg { width: 40px; height: 40px; }
  .address-card { padding-block: 20px; }
  .copy-small, .address-visit { min-height: 44px; padding-inline: 16px; }
  footer { min-height: 76px; padding-block: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .toast, .address-domain, .contact-address { transition: none; }
  .orbit { animation: none; opacity: .55; }
  .orbit-one { transform: scale(.75); }
}