@font-face { font-family: 'Tide Maple Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url('/fonts/maple-mono-cn-medium.ttf') format('truetype'); }
@font-face { font-family: 'Tide Maple Mono'; font-style: normal; font-weight: 600; font-display: swap; src: url('/fonts/maple-mono-cn-semibold.ttf') format('truetype'); }
@font-face { font-family: 'Tide Maple Mono'; font-style: normal; font-weight: 700; font-display: swap; src: url('/fonts/maple-mono-cn-bold.ttf') format('truetype'); }
:root {
  color-scheme: dark;
  --ink: #f1f3fb;
  --muted: #a6abc1;
  --line: #b5bfff24;
  --orange: #9be9ef;
  --orange-dark: #bef7f4;
  --orange-soft: #74d7e318;
  --surface: #101324;
  --panel: #090c1ddd;
  --white: #fff;
  --rgb-ribbon: linear-gradient(90deg, #81e9ec, #9a91ff 48%, #da9ae9);
  font: 600 18px/1.75 'Tide Maple Mono', 'Maple Mono NF CN', 'Maple Mono', monospace;
  color: var(--ink);
  background: #04050d;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }
body { position: relative; isolation: isolate; margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: transparent; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, select, summary { cursor: pointer; }
svg { flex-shrink: 0; vertical-align: middle; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.3; font-weight: 700; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 2px solid #9bf3ed; outline-offset: 5px; }
::selection { background: #8f78dd; color: #fff; }
.container { width: min(1400px, calc(100% - 112px)); margin-inline: auto; }
.main-content { flex: 1; padding-block: 130px 80px; }
.skip-link { position: fixed; top: -80px; left: 24px; z-index: 70; padding: 10px 16px; border: 1px solid #98e9ec; background: #101528; }
.skip-link:focus { top: 20px; }
.scene-background { position: fixed; z-index: -2; inset: -10px; overflow: hidden; pointer-events: none; background: #04050d; translate: var(--scene-x, 0px) var(--scene-y, 0px); }
#scene-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
#scene-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.no-scene-video .scene-background { background-color: #04050d; }
.no-scene-video #scene-video { visibility: hidden; }
.scene-background::after { content: ""; position: absolute; z-index: 2; inset: 0; background: linear-gradient(90deg, #04050d7a, #04050d10 48%, transparent 75%), linear-gradient(180deg, #04050d10, transparent 50%, #04050d6b); }
.scene-haze, .scene-glow { display: none; }
.site-header { position: fixed; z-index: 30; top: 26px; inset-inline: 0; pointer-events: none; }
.header-inner { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand, .header-navigation { pointer-events: auto; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 24px; font-weight: 550; line-height: 1.2; letter-spacing: -.045em; }
.brand-mark { display: grid; place-items: center; width: 35px; height: 35px; color: #c7eff5; border: 1px solid #c6ceff55; border-radius: 50%; background: #080b188c; }
.brand-subtitle { display: block; margin-top: 5px; color: #a7b1c5; font-size: 12px; font-weight: 400; letter-spacing: .06em; }
.header-navigation { display: flex; align-items: center; gap: 8px; padding: 6px; border: 1px solid #afbaff24; border-radius: 999px; background: #080b188c; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.header-link { position: relative; padding: 7px 16px; font-size: 14px; white-space: nowrap; color: #d2d7e9; border-radius: 999px; transition: color .24s ease, background-color .24s ease; }
.header-link:hover, .header-link:focus-visible { color: #fff; background: #b8bbef13; }
.world-hero { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; min-height: calc(100svh - 160px); padding-block: 54px 112px; margin-bottom: 90px; }
.hero-copy { position: relative; z-index: 3; max-width: 620px; }
.world-kicker, .section-index, .scene-caption, .hero-chapter, .hero-process, .directory-columns { font-family: inherit; }
.world-kicker { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; color: #b5b9d4; font-size: 12px; letter-spacing: .14em; line-height: 1.7; }
.world-kicker > span { width: 20px; height: 1px; background: var(--rgb-ribbon); }
.hero-display { font-size: clamp(88px, 10.5vw, 160px); line-height: .95; font-weight: 700; letter-spacing: -.075em; text-shadow: 0 4px 38px #03030d7a; }
.hero-display > span { display: block; }
.world-hero h1 { margin-top: 30px; font-size: 30px; line-height: 1.5; font-weight: 700; letter-spacing: .01em; overflow-wrap: anywhere; }
.intro { max-width: 440px; margin-top: 28px; color: #c0c5d8; font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 34px; }
.hero-text-link { padding-block: 10px; color: #d6d5ed; font-size: 14px; border-bottom: 1px solid #b1b9e851; transition: color .24s ease, border-color .24s ease; }
.hero-text-link:hover { color: #a5ecee; border-color: #a5ecee; }
.hero-process { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; color: #8e94ad; font-size: 12px; }
.hero-process > span { color: #4e566e; }
.hero-scene-space { align-self: stretch; position: relative; min-height: 360px; pointer-events: none; }
.scene-caption { position: absolute; bottom: 22px; right: 0; color: #aba5d480; font-size: 10px; letter-spacing: .25em; writing-mode: vertical-rl; }
.hero-chapter { position: absolute; inset-inline: 0; bottom: 10px; display: flex; align-items: center; gap: 24px; font-size: 12px; color: #aaaac3; letter-spacing: .03em; }
.chapter-label { margin-left: 14px; color: #e2e1ed; }
.chapter-line { flex: 1; height: 1px; background: linear-gradient(90deg, #92e3ee66, #a78cff22 45%, #b9b5e213); }
.hero-chapter a { padding-block: 10px; }
.hero-chapter a:hover { color: #d7fcff; }
.catalog-section { position: relative; min-width: 0; padding: 32px 36px 8px; border: 1px solid #c3c7f526; background: linear-gradient(125deg, #080b1adc, #080b19b8); border-radius: 2px; scroll-margin-top: 120px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 24px; }
.section-index { color: #999ebc; font-size: 11px; letter-spacing: .16em; margin-bottom: 10px; }
.section-heading h2, .history-section-heading h2 { font-size: 24px; font-weight: 450; letter-spacing: -.025em; }
.panel-link { padding-block: 10px; color: #bfd4e9; font-size: 14px; border-bottom: 1px solid #abb7e648; white-space: nowrap; }
.panel-link:hover { color: #c8fbff; }
.catalog-notice .notice { padding: 10px 0; margin-bottom: 22px; border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; color: #9faac2; font-size: 14px; }
.filter-drawer { margin-bottom: 22px; border-block: 1px solid #a9b6ee2b; }
.filter-drawer summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 0; color: #dce4f7; font-size: 14px; list-style: none; }
.filter-drawer summary::-webkit-details-marker { display: none; }
.filter-drawer summary > span { display: inline-flex; align-items: center; gap: 12px; }
.filter-drawer summary small { color: #8792b1; font-size: 12px; }
.drawer-symbol { width: 18px; display: inline-block; text-align: center; color: #a5e3ed; font-size: 20px; line-height: 1; transition: transform .28s cubic-bezier(.22, 1, .36, 1); }
.filter-drawer[open] .drawer-symbol { transform: rotate(45deg); }
.filter-drawer-content { padding: 2px 0 22px; }
.catalog-filters { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.filter-field { min-width: 0; }
.filter-field label { font-weight: 400; color: #aab5cb; }
.filter-field select { min-height: 40px; padding: 8px 10px; font-size: 14px; }
.filter-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; align-items: center; flex-wrap: wrap; gap: 10px; padding-top: 4px; }
.filter-actions .button, .filter-actions button { width: auto; min-height: 38px; padding-block: 7px; }
.directory-columns { display: grid; grid-template-columns: 1.05fr 1.5fr 150px; gap: 28px; padding: 8px 0 14px; border-bottom: 1px solid var(--line); color: #7e8ca5; font-size: 11px; letter-spacing: .06em; }
.directory-columns > span:last-child { text-align: right; }
.product-grid { display: grid; grid-template-columns: 1fr; }
.product-card { display: grid; grid-template-columns: minmax(190px, 1.05fr) minmax(0, 1.5fr) 150px; align-items: center; gap: 28px; padding: 24px 0; border-bottom: 1px solid #a4b1dd1b; }
.product-card:last-child { border-bottom: 0; }
.product-card, .stat-card, .subscription-panel, .product-detail { position: relative; isolation: isolate; overflow: hidden; }
.product-card::after, .stat-card::after, .subscription-panel::after, .product-detail::after { content: ""; position: absolute; z-index: -1; top: 0; left: 0; width: 160px; height: 160px; margin: -80px 0 0 -80px; pointer-events: none; background: radial-gradient(circle, #68cdec25, #aa80f41c 36%, transparent 72%); transform: translate3d(var(--spot-x, 0px), var(--spot-y, 0px), 0); opacity: var(--spot-opacity, 0); }
.plan-identity, .plan-specs, .plan-actions { min-width: 0; }
.provider-label { display: inline-block; color: #b2c9e7; font-size: 12px; font-weight: 500; letter-spacing: .06em; }
.plan-identity .stock-badge { margin-left: 10px; }
.product-name { font-size: 20px; font-weight: 450; letter-spacing: -.025em; overflow-wrap: anywhere; }
.plan-identity .product-name { margin-top: 10px; }
.plan-identity .checked-at { display: block; margin-top: 8px; }
.product-name a:hover { color: #b5f3f5; }
.checked-at, .muted, .detail-footnote { color: #8d9ab5; font-size: 14px; }
.spec-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin: 0; }
.spec-grid > div { min-width: 0; }
.spec-grid dt { margin-bottom: 3px; color: #8390aa; font-size: 14px; }
.spec-grid dd { margin: 0; color: #d5dcec; font-size: 16px; font-weight: 400; overflow-wrap: anywhere; }
.plan-specs .spec-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 18px; }
.specs { color: #a6b2ca; font-size: 16px; line-height: 1.85; overflow-wrap: anywhere; }
.plan-actions { display: flex; align-items: flex-end; flex-direction: column; gap: 7px; }
.price { color: #dcddf5; font-size: 20px; font-weight: 450; font-variant-numeric: tabular-nums; letter-spacing: -.03em; }
.price-period { display: block; margin-bottom: 3px; color: #8999b7; font-size: 12px; }
.price small { color: #93a0bc; font-size: 14px; }
.plan-actions .button { width: 100%; min-height: 36px; padding: 6px 10px; font-size: 12px; }
.stock-badge { display: inline-flex; align-items: center; gap: 6px; width: fit-content; padding: 3px 8px; border: 1px solid currentColor; border-radius: 999px; font-size: 12px; line-height: 1.4; white-space: nowrap; }
.stock-badge::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.stock-available { color: #a4dfd0; background: #63caae0b; border-color: #6fc9bb39; }
.stock-unavailable { color: #d6a3bf; background: #cd6ea60a; border-color: #d79abd35; }
.stock-unknown { color: #a6acc9; background: #7587cf0a; border-color: #a5ade32a; }
.button, button { --motion-x: 0px; --motion-y: 0px; --motion-scale: 1; position: relative; isolation: isolate; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 22px; border: 1px solid #a7dce278; border-radius: 999px; color: #e2f7f6; background: #7ed7df13; font-size: 14px; font-weight: 450; line-height: 1.5; text-align: center; transform: translate3d(var(--motion-x), var(--motion-y), 0) scale(var(--motion-scale)); transition: transform .22s cubic-bezier(.22, 1, .36, 1), opacity .2s ease, border-color .24s ease; }
.button::before, button::before { content: ""; position: absolute; z-index: -1; inset: 0; border-radius: inherit; background: linear-gradient(105deg, #62cbd128, #9474d836); opacity: 0; transition: opacity .24s ease; pointer-events: none; }
.button:hover, button:hover { border-color: #a5f6f2; }
.button:hover::before, button:hover::before, .button:focus-visible::before, button:focus-visible::before { opacity: 1; }
.button.motion-driven, button.motion-driven { transition: opacity .2s ease, border-color .24s ease; }
.button:active, button:active { --motion-scale: .97; opacity: .88; }
.button-secondary { color: #c2c7df; background: #b6b9df06; border-color: #b4b9e13b; }
button:disabled, .button[aria-disabled="true"] { cursor: not-allowed; opacity: .42; transform: none; }
button:disabled::before { opacity: 0; }
.catalog-help { display: flex; gap: 12px; padding-top: 26px; color: #939cb4; font-size: 14px; line-height: 1.8; }
.help-icon { display: inline-grid; place-items: center; flex-shrink: 0; width: 22px; height: 22px; margin-top: 4px; border: 1px solid #8d97bd67; border-radius: 50%; font: inherit; font-size: 15px; line-height: 1; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; padding-block: 12px; margin-bottom: 40px; color: #9fa8c2; font-size: 12px; }
.breadcrumb a:hover { color: #bff8f1; }
.breadcrumb > span[aria-hidden] { color: #616e8d; }
.product-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(330px, .75fr); align-items: start; gap: 80px; max-width: 1100px; }
.product-detail { padding: 18px 0 32px; background: linear-gradient(90deg, #040611a8, #0406114d); }
.product-detail .world-kicker { margin-bottom: 32px; }
.product-detail h1 { margin-top: 18px; font-size: clamp(34px, 3.6vw, 54px); font-weight: 450; letter-spacing: -.045em; overflow-wrap: anywhere; }
.detail-stock { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.detail-specs { padding-block: 26px; margin-top: 32px; border-block: 1px solid var(--line); }
.detail-price { display: flex; align-items: baseline; gap: 18px; margin-block: 24px; }
.detail-price strong { font-size: 32px; font-weight: 450; letter-spacing: -.04em; }
.source-row a { display: inline-block; color: #b4cce7; font-size: 14px; text-decoration: underline; text-underline-offset: 5px; }
.detail-footnote { margin-top: 24px; line-height: 1.8; }
.subscription-panel { padding: 30px; border: 1px solid #b5b0f042; background: linear-gradient(135deg, #0b1023e0, #090d1adb); border-radius: 2px; }
.subscription-panel::before { content: ""; position: absolute; inset: 0 0 auto; height: 1px; background: var(--rgb-ribbon); opacity: .65; }
.subscription-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-block: 22px; color: #acdeed; border: 1px solid #acc0e43b; border-radius: 50%; }
.subscription-panel h2 { font-size: 25px; font-weight: 450; letter-spacing: -.025em; }
.panel-intro { margin-block: 16px 28px; color: #a4b0ca; font-size: 14px; line-height: 1.85; }
form { margin: 0; }
.form-group { margin-bottom: 20px; }
label { display: block; margin-bottom: 7px; color: #cbd2e4; font-size: 14px; font-weight: 400; }
input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]), select { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #b4c0e537; border-radius: 3px; color: #e0e8f8; background: #080c1ae8; font-size: 16px; line-height: 1.5; }
input::placeholder { color: #7886a8; opacity: 1; }
input:hover, select:hover { border-color: #a8bed37a; }
input:focus-visible, select:focus-visible { border-color: #a5eee7; }
input[aria-invalid="true"] { border-color: #eeabb5; }
input[type="checkbox"], input[type="radio"] { accent-color: #a1e4e7; }
input[inputmode="numeric"] { letter-spacing: .13em; font-variant-numeric: tabular-nums; }
.form-group small, form small { display: block; margin-top: 8px; color: #95a1bf; font-size: 14px; line-height: 1.8; }
form > button, form > .button, .form-group > button { width: 100%; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-row .form-group { min-width: 0; }
.notice { padding: 14px 16px; margin-bottom: 24px; border: 1px solid #abc9ef30; border-radius: 2px; background: #111b30dc; color: #b9c8e2; font-size: 14px; line-height: 1.85; overflow-wrap: anywhere; }
.notice p + p { margin-top: 6px; }
.notice a { text-decoration: underline; text-underline-offset: 3px; }
.success, .notice.success { border-color: #84c4b94f; color: #bee8db; background: #102d27eb; }
.error, .notice.error { border-color: #d294a44f; color: #edb9c5; background: #311722eb; }
.privacy-note { display: flex; gap: 10px; padding-top: 22px; margin-top: 28px; border-top: 1px solid var(--line); color: #8e9ab7; font-size: 14px; line-height: 1.8; }
.privacy-note svg { margin-top: 5px; }
.mail-tip { margin-top: 12px; color: #8e9ab7; font-size: 14px; }
.message-box { max-width: 540px; padding: 32px; margin: 36px auto; border: 1px solid #b4b8e13a; background: #0a0e21e8; }
.message-box h1 { margin-bottom: 20px; font-size: 34px; }
.message-box p { margin-bottom: 22px; color: #a7b3cc; }
.message-box form { margin-top: 24px; }
.empty-state { grid-column: 1 / -1; padding: 36px 20px; border: 1px dashed #a4b3de33; color: #a0aac4; text-align: center; line-height: 1.9; }
.empty-state h3 { color: #d3d9eb; font-size: 16px; margin-bottom: 10px; }
.empty-state p + p { margin-top: 8px; }
.history-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; max-width: 1100px; padding: 24px 0 44px; }
.history-heading .world-kicker { margin-bottom: 20px; }
.history-heading h1 { font-size: clamp(36px, 4vw, 56px); letter-spacing: -.045em; }
.history-product-name { margin-top: 18px; color: #a8b3ca; font-size: 16px; overflow-wrap: anywhere; }
.history-heading .button { flex-shrink: 0; }
.history-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; max-width: 1100px; margin-block: 12px 48px; border-block: 1px solid #b3bee130; background: #060a14b0; }
.stat-card { min-width: 0; padding: 24px 22px; border-right: 1px solid #b3bee121; }
.stat-card:last-child { border-right: 0; }
.stat-label { display: block; color: #96a4bf; font-size: 14px; line-height: 1.7; }
.stat-value { display: block; margin-top: 10px; color: #e2e5f5; font-size: 34px; font-weight: 400; font-variant-numeric: tabular-nums; line-height: 1.25; letter-spacing: -.045em; overflow-wrap: anywhere; }
.stat-value small { margin-left: 4px; color: #9aa8c6; font-size: 14px; letter-spacing: 0; }
.stat-card > small { display: block; margin-top: 8px; color: #8f9fbc; font-size: 14px; }
.history-section { min-width: 0; padding: 30px; margin-top: 28px; border: 1px solid #b3bee12b; background: #070c1bda; }
.history-section-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.history-section-heading p { margin-top: 9px; color: #96a6c4; font-size: 14px; }
.history-filter { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.history-filter label { margin: 0; font-size: 14px; }
.history-filter select { width: 142px; min-height: 38px; padding: 7px 10px; font-size: 14px; }
.history-filter > button { width: auto; min-height: 38px; }
.compact-drawer .catalog-filters { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.table-scroll { width: 100%; max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-width: thin; scrollbar-color: #5a649a #080d1b; }
.events-table, .period-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
.events-table th, .period-table th { padding: 12px 14px; color: #8193b4; border-block: 1px solid #a8b6dd29; font-size: 12px; font-weight: 400; white-space: nowrap; }
.events-table td, .period-table td { padding: 18px 14px; border-bottom: 1px solid #9facd41a; color: #c9d4ea; font-size: 16px; line-height: 1.75; }
.events-table tbody tr:last-child td, .period-table tbody tr:last-child td { border-bottom: 0; }
.events-table td:first-child, .period-table td:first-child { font-variant-numeric: tabular-nums; white-space: nowrap; }
.events-table td small, .period-table td small { display: block; color: #92a0be; font-size: 14px; }
.period-table td:last-child { font-variant-numeric: tabular-nums; }
.history-note { margin-top: 22px; color: #8d9cba; font-size: 14px; line-height: 1.9; }
.history-section > p:not(.history-note) { color: #99a6c0; }
.site-footer { margin-top: 40px; border-top: 1px solid #abb5db18; background: #04081275; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 96px; color: #8795b0; font-size: 12px; }
.footer-dot { margin-inline: 8px; color: #536886; }
.flow-feedback { position: fixed; z-index: 50; top: 105px; right: 56px; display: flex; align-items: center; gap: 8px; max-width: min(480px, calc(100% - 40px)); padding: 9px 16px; border: 1px solid #a7c2e447; border-radius: 999px; color: #d5e8ed; background: #0d1830e8; font-size: 14px; pointer-events: none; }
.flow-feedback[hidden] { display: none; }
.flow-feedback.is-error { border-color: #c994a650; color: #ecc2ce; background: #311b2aef; border-radius: 3px; }
.flow-feedback.is-busy::before { content: ""; width: 12px; height: 12px; border: 1px solid #6074a0; border-top-color: #b3f3f4; border-radius: 50%; animation: flow-spin .8s linear infinite; }
.flow-loading { cursor: progress; }
.flow-error { scroll-margin-top: 130px; }
@keyframes flow-spin { to { transform: rotate(1turn); } }
@supports (interpolate-size: allow-keywords) {
  .filter-drawer { interpolate-size: allow-keywords; }
  .filter-drawer::details-content { block-size: 0; overflow: clip; opacity: 0; transition: block-size .34s cubic-bezier(.22, 1, .36, 1), opacity .2s ease, content-visibility .34s allow-discrete; }
  .filter-drawer[open]::details-content { block-size: auto; opacity: 1; }
}
@media (max-width: 1100px) {
  .container { width: calc(100% - 80px); }
  .catalog-filters { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .product-card, .directory-columns { grid-template-columns: minmax(170px, 1fr) minmax(0, 1.2fr) 132px; gap: 20px; }
  .plan-specs .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-layout { gap: 42px; grid-template-columns: minmax(0, 1fr) minmax(310px, .8fr); }
  .history-stats { margin-bottom: 36px; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 44px); }
  .main-content { padding-block: 114px 50px; }
  .site-header { top: 20px; }
  .header-inner { align-items: flex-start; gap: 18px; }
  .brand { font-size: 21px; gap: 8px; }
  .brand-mark { width: 29px; height: 29px; }
  .brand-subtitle { font-size: 10px; }
  .header-navigation { gap: 0; padding: 4px; }
  .header-link { padding: 7px 10px; font-size: 12px; }
  .world-hero { min-height: calc(100svh - 130px); grid-template-columns: 1fr; padding-block: 30px 95px; margin-bottom: 60px; align-items: start; }
  .hero-copy { width: 75%; max-width: 440px; }
  .world-kicker { font-size: 10px; gap: 8px; margin-bottom: 24px; letter-spacing: .1em; }
  .hero-display { font-size: clamp(76px, 21.5vw, 132px); }
  .world-hero h1 { font-size: 18px; margin-top: 26px; }
  .intro { margin-top: 24px; font-size: 14px; }
  .hero-actions { gap: 14px; margin-top: 26px; }
  .hero-actions .button { padding-inline: 18px; }
  .hero-text-link { font-size: 12px; }
  .hero-process { gap: 8px; font-size: 10px; margin-top: 24px; }
  .hero-scene-space { position: absolute; right: 0; top: 0; bottom: 80px; width: 26%; min-height: 0; }
  .scene-caption { right: -6px; font-size: 8px; }
  .hero-chapter { gap: 12px; font-size: 10px; }
  .chapter-label { margin-left: 6px; }
  .catalog-section { padding: 24px 20px 4px; scroll-margin-top: 110px; }
  .section-heading { gap: 16px; }
  .section-heading h2, .history-section-heading h2 { font-size: 21px; }
  .section-index { font-size: 10px; }
  .panel-link { font-size: 12px; }
  .filter-drawer summary { gap: 12px; }
  .filter-drawer summary small { font-size: 10px; }
  .catalog-filters, .compact-drawer .catalog-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 12px; }
  .filter-actions { justify-content: stretch; }
  .filter-actions .button, .filter-actions button { flex: 1; }
  .directory-columns { display: none; }
  .product-card { grid-template-columns: 1fr; gap: 20px; padding-block: 26px; }
  .plan-specs { padding-top: 15px; border-top: 1px solid #afbbe91a; }
  .plan-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 8px 12px; }
  .plan-actions .price, .plan-actions .price-period { grid-column: 1 / -1; }
  .plan-actions .price-period { margin-top: -4px; }
  .plan-actions .button { min-height: 40px; font-size: 12px; }
  .product-layout { grid-template-columns: 1fr; gap: 38px; }
  .product-detail { padding-top: 8px; }
  .product-detail h1 { font-size: 38px; }
  .breadcrumb { margin-bottom: 28px; }
  .subscription-panel { padding: 25px 22px; }
  .history-heading { display: block; padding: 16px 0 32px; }
  .history-heading h1 { font-size: 38px; }
  .history-heading .button { margin-top: 24px; }
  .history-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 32px; }
  .stat-card { padding: 20px 14px; }
  .stat-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stat-card:nth-child(2) { border-right: 0; }
  .stat-value { font-size: 30px; }
  .history-section { padding: 24px 18px; }
  .history-section-heading { display: block; }
  .history-filter { margin-top: 22px; }
  .history-filter label { white-space: nowrap; }
  .history-filter select { width: auto; min-width: 0; flex: 1; }
  .history-filter > button { padding-inline: 15px; }
  .events-table, .period-table { min-width: 540px; }
  .events-table th, .period-table th { padding: 10px 12px; }
  .events-table td, .period-table td { padding: 14px 12px; }
  .history-section[aria-labelledby="frequency-title"] .period-table td:first-child { width: 200px; min-width: 200px; max-width: 200px; white-space: normal; overflow-wrap: anywhere; }
  .table-scroll:has(> table)::before { content: "左右滑动查看完整表格"; position: sticky; left: 0; display: block; padding-bottom: 10px; color: #8799b9; font-size: 12px; }
  .footer-inner { display: block; padding-block: 25px; min-height: auto; }
  .footer-inner > span { display: block; }
  .footer-inner > span + span { margin-top: 6px; }
  .flow-feedback { top: 96px; right: 22px; }
  .message-box { padding: 26px 22px; }
}
@media (max-width: 460px) {
  .header-inner { flex-wrap: wrap; row-gap: 14px; }
  .header-navigation { margin-left: auto; margin-top: -3px; }
  .brand-subtitle { max-width: 130px; letter-spacing: .02em; }
  .header-link { padding-inline: 8px; }
  .hero-copy { width: 78%; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 10px; }
  .hero-process { max-width: 205px; }
  .filter-drawer summary small { max-width: 120px; text-align: right; }
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .button:hover, button:hover { --motion-y: -1px; --motion-scale: 1.012; }
  .button:active, button:active { --motion-scale: .97; }
}
@media (hover: none), (pointer: coarse) {
  .scene-background { translate: none; }
  .product-card::after, .stat-card::after, .subscription-panel::after, .product-detail::after { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, button, .button::before, button::before, .drawer-symbol, .filter-drawer::details-content { transition: none; transform: none; }
  .scene-background { translate: none; }
  .product-card::after, .stat-card::after, .subscription-panel::after, .product-detail::after { display: none; }
  .flow-feedback.is-busy::before { animation: none; }
}

/* Maple Mono: readable interface text and soft, rounded surfaces. */
.brand { font-size: 28px; font-weight: 700; }
.brand-subtitle, .world-kicker, .section-index, .scene-caption, .hero-chapter,
.hero-process, .directory-columns, .provider-label, .price-period, .breadcrumb,
.footer-inner, .filter-drawer summary small { font-size: 15px; font-weight: 500; }
.world-kicker, .section-index { letter-spacing: .08em; }
.header-link, .button, button, .plan-actions .button, .hero-text-link, .panel-link,
.flow-world .scene-toggle { font-size: 17px; font-weight: 600; }
.intro, .specs, .spec-grid dd, .events-table td, .period-table td { font-size: 18px; font-weight: 500; }
.spec-grid dd, .events-table td, .period-table td { font-weight: 600; }
.checked-at, .muted, .detail-footnote, .spec-grid dt, label, .filter-field label,
.filter-field select, .catalog-help, .source-row a, .panel-intro, .form-group small,
form small, .notice, .catalog-notice .notice, .privacy-note, .mail-tip,
.stat-label, .stat-value small, .stat-card > small, .history-section-heading p,
.history-filter label, .history-filter select, .events-table th, .period-table th,
.events-table td small, .period-table td small, .history-note, .flow-feedback,
.price small { font-size: 16px; font-weight: 500; }
.filter-drawer summary { font-size: 17px; font-weight: 600; }
.stock-badge { font-size: 15px; font-weight: 600; }
.product-name { font-size: 23px; font-weight: 600; }
.price { font-size: 24px; font-weight: 600; }
.section-heading h2, .history-section-heading h2, .subscription-panel h2 { font-size: 28px; font-weight: 700; }
.product-detail h1, .history-heading h1, .detail-price strong, .stat-value { font-weight: 700; }
.button, button { min-height: 48px; border-radius: 16px; }
.plan-actions .button, .filter-actions .button, .filter-actions button { min-height: 44px; padding-block: 9px; }
.header-navigation { border-radius: 22px; }
.header-link { border-radius: 16px; }
.catalog-section { border-radius: 32px; }
.product-grid { gap: 12px; }
.product-card { padding: 24px 20px; border: 1px solid #a4b1dd2b; border-radius: 20px; background: #a4b1dd05; }
.product-card:last-child { border-bottom: 1px solid #a4b1dd2b; }
.directory-columns { padding-inline: 20px; }
.product-detail { padding: 30px; border: 1px solid #b5b0f032; border-radius: 28px; background: linear-gradient(135deg, #090e20db, #060b19cb); }
.subscription-panel, .history-section, .message-box { border-radius: 28px; }
.history-stats { gap: 14px; border: 0; background: transparent; }
.stat-card, .stat-card:last-child { border: 1px solid #b3bee12f; border-radius: 20px; background: #070b19c2; }
.notice, .flow-feedback.is-error, .empty-state { border-radius: 16px; }
.catalog-notice .notice { padding: 14px 16px; border: 1px solid #abc9ef30; border-radius: 16px; background: #111b3099; }
.filter-drawer { padding-inline: 18px; border: 1px solid #a9b6ee2b; border-radius: 20px; background: #a9b6ee04; }
.catalog-filters { grid-template-columns: repeat(4, minmax(0, 1fr)); }
input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]), select { min-width: 0; max-width: 100%; min-height: 48px; border-radius: 14px; font-size: 18px; font-weight: 500; }
.filter-field select, .history-filter select { font-size: 16px; }
.hero-copy, .header-inner, .brand, .brand > span, .section-heading > div, .history-section-heading > div { min-width: 0; }
.brand-subtitle { max-width: 300px; letter-spacing: .01em; overflow-wrap: anywhere; }
.hero-process { color: #a1abc3; }
.scene-caption { color: #b1b4d89e; letter-spacing: .08em; }
.hero-chapter { flex-wrap: wrap; gap: 18px; }
.hero-chapter > span:first-child, .hero-chapter > a { flex-shrink: 0; }
.section-heading { flex-wrap: wrap; }
.table-scroll { border-radius: 16px; }

@media (max-width: 1100px) {
  .product-card, .directory-columns { grid-template-columns: minmax(160px, 1fr) minmax(0, 1.2fr) 160px; gap: 20px; }
  .catalog-filters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .product-layout { grid-template-columns: minmax(0, 1fr) minmax(330px, .85fr); gap: 32px; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 40px); }
  .site-header { top: 16px; }
  .header-inner { flex-direction: column; align-items: stretch; gap: 12px; }
  .brand { max-width: 100%; font-size: 26px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-subtitle { max-width: none; font-size: 15px; }
  .header-navigation { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; gap: 2px; padding: 6px; margin: 0; }
  .header-link { padding: 7px 4px; font-size: 17px; font-weight: 600; letter-spacing: -.045em; text-align: center; }
  .main-content { padding-top: 170px; }
  .world-hero { min-height: calc(100svh - 190px); padding-top: 24px; padding-bottom: 110px; }
  .hero-copy { width: 90%; max-width: 500px; }
  .hero-display { font-size: clamp(74px, 20vw, 120px); font-weight: 700; }
  .world-kicker, .section-index, .hero-process, .hero-chapter, .scene-caption { font-size: 15px; }
  .world-kicker { letter-spacing: .035em; }
  .world-hero h1 { font-size: 26px; font-weight: 700; }
  .intro { font-size: 18px; }
  .hero-actions { align-items: flex-start; flex-direction: row; }
  .hero-text-link, .panel-link, .plan-actions .button { font-size: 17px; }
  .hero-process { max-width: none; gap: 8px; }
  .hero-scene-space { width: 15%; }
  .hero-chapter { font-size: 15px; gap: 12px; }
  .hero-chapter .chapter-line { min-width: 18px; }
  .catalog-section { padding: 26px 18px 12px; border-radius: 28px; scroll-margin-top: 170px; }
  .section-heading h2, .history-section-heading h2 { font-size: 25px; }
  .filter-drawer { padding-inline: 14px; }
  .filter-drawer summary { align-items: flex-start; flex-wrap: wrap; gap: 8px; }
  .filter-drawer summary small { max-width: none; font-size: 15px; text-align: left; }
  .catalog-filters, .compact-drawer .catalog-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-card { grid-template-columns: minmax(0, 1fr); padding: 22px 16px; gap: 22px; }
  .product-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .product-detail, .subscription-panel { padding: 26px 22px; border-radius: 28px; }
  .product-detail h1, .history-heading h1 { font-size: 34px; }
  .history-section { padding: 25px 18px; border-radius: 28px; }
  .history-filter { flex-wrap: wrap; }
  .history-filter label { flex-basis: 100%; }
  .stat-card { padding: 20px 14px; }
  .stat-value { font-size: 32px; }
  .table-scroll:has(> table)::before { font-size: 15px; }
  .flow-feedback { top: 150px; right: 20px; }
}
@media (max-width: 460px) {
  .header-inner { flex-wrap: nowrap; }
  .header-navigation { margin: 0; }
  .brand-subtitle { max-width: none; }
  .hero-copy { width: 100%; }
  .hero-display { font-size: clamp(72px, 20vw, 92px); }
  .hero-actions { flex-direction: column; gap: 14px; }
  .catalog-filters, .compact-drawer .catalog-filters, .form-row { grid-template-columns: minmax(0, 1fr); }
  .hero-chapter { font-size: 15px; column-gap: 10px; }
  .hero-chapter .chapter-line { flex-basis: 20px; }
  .filter-actions { justify-content: flex-start; }
  .filter-actions .button, .filter-actions button { flex: 1 1 110px; }
  .plan-actions { grid-template-columns: minmax(0, 1fr); }
  .plan-actions .price, .plan-actions .price-period { grid-column: 1; }
}