:root {
  color-scheme: dark;
  --ink: #101814;
  --panel: #17231d;
  --panel-light: #1d3025;
  --rule: #315040;
  --green: #40d99b;
  --green-soft: #92deb8;
  --white: #f4f9f5;
  --muted: #9caea1;
  font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--white); background: var(--ink); }
button, input { font: inherit; }
select { font: inherit; }
button { cursor: pointer; }
.page-shell { max-width: 1120px; min-height: 100vh; margin: auto; padding: 0 28px; }
.site-header { display: flex; align-items: center; justify-content: space-between; height: 88px; border-bottom: 1px solid #26392e; }
.wordmark { display: inline-flex; align-items: center; gap: 11px; color: var(--white); font-family: Georgia, "Microsoft YaHei UI", serif; font-size: 23px; text-decoration: none; }
.monogram { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--green); border-radius: 50%; color: var(--green); font-size: 23px; }
.brand-logo { display: block; flex: none; width: 44px; height: 44px; object-fit: contain; border-radius: 8px; }
.brand-label { display: flex; flex-direction: column; gap: 3px; line-height: 1.15; }
.brand-domain { color: #cbb37c; font: 12px "Segoe UI", sans-serif; letter-spacing: .04em; }
.server-status { padding: 8px 12px; border: 1px solid var(--rule); border-radius: 100px; color: var(--muted); font-size: 12px; }
.server-status.online { color: var(--green-soft); border-color: #3b7955; }

/* Platform downloads stay scoped to the public home page. */
.download-section { padding: 44px 0 48px; }
.download-heading h1 { font-size: clamp(30px, 4vw, 48px); line-height: 1.3; }
.download-heading .lede { margin-top: 12px; font-size: 15px; }
.download-heading .eyebrow { margin-bottom: 10px; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 30px; }
.platform-download { display: flex; flex-direction: column; min-width: 0; padding: 24px; border: 1px solid var(--rule); border-top: 2px solid #cbb37c; border-radius: 14px; background: var(--panel); }
.platform-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; }
.platform-mark { color: #e6ce99; font: 600 16px Consolas, monospace; letter-spacing: .06em; }
.platform-format { color: var(--muted); font-size: 11px; }
.platform-download h2 { margin: 0 0 7px; font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif; font-size: 28px; font-weight: 600; }
.platform-download p { margin: 0; color: #d7e4da; font-size: 14px; line-height: 1.7; }
.platform-download .platform-detail { min-height: 64px; margin: 12px 0 20px; color: var(--muted); font-size: 13px; }
.platform-button { display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; min-height: 48px; margin-top: auto; padding: 12px 15px; border: 1px solid #cbb37c; border-radius: 8px; background: #cbb37c; color: #172019; font-size: 14px; font-weight: 700; line-height: 1.5; text-decoration: none; }
.platform-button:hover { background: #e0c994; }
.platform-button:disabled { border-color: #405248; background: #26362d; color: #a4b3a9; cursor: default; }
.platform-pending { border-top-color: #597063; }
.platform-pending .platform-mark { color: #adbbb2; }
.install-link, .platform-footnote { display: block; margin-top: 14px; color: #bdd2c4; font-size: 12px; line-height: 1.6; }
.install-link { text-underline-offset: 4px; }
.platform-footnote { color: var(--muted); }
@media (max-width: 760px) {
  .download-grid { grid-template-columns: 1fr; gap: 14px; }
  .download-section { padding-top: 30px; }
  .platform-download { padding: 22px; }
  .platform-top { margin-bottom: 12px; }
  .platform-download .platform-detail { min-height: 0; margin-bottom: 18px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 330px; align-items: center; min-height: 438px; padding: 54px 0 50px; overflow: hidden; }
.eyebrow { margin: 0 0 16px; color: var(--green-soft); font-family: Consolas, "Courier New", monospace; font-size: 12px; letter-spacing: .12em; }
h1, h2 { font-family: Georgia, "Microsoft YaHei UI", serif; font-weight: 500; }
h1 { margin: 0; font-size: clamp(44px, 5.7vw, 76px); line-height: 1.18; letter-spacing: -.025em; }
h1 em { color: var(--green); font-style: normal; }
.lede { max-width: 540px; margin: 24px 0 0; color: #b6c8b9; font-size: 16px; line-height: 1.8; }
.table-orbit { display: grid; place-items: center; width: 292px; height: 292px; margin: auto; border: 1px solid #53765e; border-radius: 50%; transform: rotate(-18deg) scaleY(.75); box-shadow: 0 0 0 22px rgba(45, 83, 58, .13), 0 0 0 47px rgba(48, 86, 61, .06); }
.table-inner { display: grid; place-items: center; width: 220px; height: 220px; border: 1px solid var(--green); border-radius: 50%; background: radial-gradient(circle at 30% 30%, #24563a, #163122 65%); }
.table-inner span { color: var(--green); font: 112px Georgia, serif; transform: rotate(18deg) scaleY(1.33); }

.license-section, .install-section { padding: 56px 0; border-top: 1px solid #26392e; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
h2 { margin: 0; font-size: clamp(26px, 3vw, 38px); }
.tag { flex: none; padding: 8px 12px; border: 1px solid var(--rule); border-radius: 100px; color: var(--green-soft); font-size: 12px; }
.license-card { padding: 29px 34px 26px; border: 1px solid #458a60; border-radius: 22px; background: radial-gradient(circle at 90% 0, #294c34, var(--panel) 55%); }
.card-topline { display: flex; justify-content: space-between; margin-bottom: 34px; color: #89b699; font: 12px Consolas, "Courier New", monospace; letter-spacing: .12em; }
label { display: block; margin-bottom: 10px; color: #c5d6c7; font-size: 13px; }
.key-row { display: flex; gap: 12px; }
input { min-width: 0; flex: 1; padding: 14px 16px; border: 1px solid #406b4f; border-radius: 9px; outline: none; background: #102017; color: var(--green); font: 18px Consolas, "Courier New", monospace; letter-spacing: .06em; }
input::placeholder { color: #658675; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid #a0f0c8; outline-offset: 3px; }
.copy-button { padding: 0 24px; border: 1px solid var(--green); border-radius: 9px; color: #0c2819; background: var(--green); font-weight: 700; }
.copy-button:hover { background: #6de9b4; }
.subtle { min-height: 18px; margin: 15px 0 0; color: var(--muted); font-size: 12px; }

.install-section { display: grid; grid-template-columns: 300px 1fr; gap: 52px; }
.install-intro p:last-child { margin-top: 20px; color: var(--muted); line-height: 1.7; }
.install-card { padding: 24px 30px 16px; border: 1px solid var(--rule); border-radius: 20px; background: var(--panel); }
.download-button { display: flex; align-items: center; justify-content: space-between; min-height: 62px; padding: 0 21px; border-radius: 10px; background: var(--green); color: #0e2819; font-size: 18px; font-weight: 700; text-decoration: none; }
.download-button:hover { background: #6de9b4; }
ol { margin: 20px 0 0; padding: 0; list-style: none; }
li { display: flex; align-items: baseline; gap: 16px; padding: 14px 0; border-bottom: 1px solid #2e4637; }
li:last-child { border-bottom: 0; }
li span { color: var(--green); font: 13px Consolas, "Courier New", monospace; }
li p { margin: 0; color: #c6d4c9; line-height: 1.65; }
code { padding: 2px 4px; color: var(--green-soft); background: #102019; font: 13px Consolas, "Courier New", monospace; }
.note { display: flex; gap: 16px; margin: 2px 0 64px; padding: 18px 22px; border: 1px solid #66512b; border-radius: 15px; background: #211d12; color: #e7c792; line-height: 1.65; }
.note p { margin: 0; }
.note-symbol { display: grid; place-items: center; flex: none; width: 22px; height: 22px; border: 1px solid #caa451; border-radius: 50%; font: italic 16px Georgia, serif; }
.site-footer { display: flex; justify-content: space-between; padding: 22px 0 35px; border-top: 1px solid #26392e; color: #758e7c; font: 12px Consolas, "Courier New", monospace; }

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 70px 0; }
  .table-orbit { position: absolute; right: -95px; bottom: -150px; opacity: .22; }
  .hero-copy { position: relative; z-index: 1; }
  .install-section { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 560px) {
  .page-shell { padding: 0 18px; }
  .site-header { height: 70px; }
  .wordmark { font-size: 20px; }
  .server-status { font-size: 10px; }
  .hero { padding: 58px 0 74px; }
  .lede { font-size: 14px; }
  .license-section, .install-section { padding: 42px 0; }
  .section-heading { display: block; }
  .tag { display: inline-block; margin-top: 17px; }
  .license-card { padding: 22px 19px; }
  .card-topline { margin-bottom: 24px; }
  .key-row { flex-direction: column; }
  input { width: 100%; font-size: 14px; }
  .copy-button { min-height: 43px; }
  .install-card { padding: 16px; }
  .download-button { font-size: 16px; }
  .note { font-size: 13px; }
  .site-footer { font-size: 10px; }
}
@media (prefers-reduced-motion: no-preference) {
  .copy-button, .download-button { transition: background .18s ease; }
}

.admin-shell { max-width: 1240px; }
.admin-nav { display: flex; align-items: center; gap: 16px; }
.admin-nav a { color: var(--green-soft); text-decoration: none; font-size: 13px; }
.admin-main { padding: 34px 0 72px; }
.admin-console { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 34px; align-items: start; }
.admin-sidebar { position: sticky; top: 18px; min-width: 0; padding: 22px 0; }
.admin-sidebar h1 { margin: 0; font-size: clamp(28px, 3vw, 42px); line-height: 1.18; }
.sidebar-copy { margin: 16px 0 24px; color: #a9bbad; line-height: 1.7; font-size: 13px; }
.panel-menu { display: grid; gap: 10px; }
.panel-tab { display: flex; align-items: center; justify-content: space-between; gap: 14px; width: 100%; padding: 14px 15px; border: 1px solid #284535; border-radius: 14px; color: #c5d6c7; background: #111d17; text-align: left; }
.panel-tab span { font-weight: 700; }
.panel-tab small { flex: none; color: #748d7d; font-size: 11px; }
.panel-tab:hover, .panel-tab.is-active { border-color: var(--green); background: linear-gradient(145deg, #193225, #102019); color: var(--green); }
.panel-tab.is-active small { color: var(--green-soft); }
.admin-panels { min-width: 0; }
.admin-panel { display: none; }
.admin-panel.is-active { display: block; }
.panel-heading { display: grid; gap: 10px; margin-bottom: 18px; }
.panel-heading h2 { margin: 0; font-size: clamp(28px, 3.2vw, 42px); }
.panel-heading p:not(.eyebrow) { max-width: 660px; margin: 0; color: #a9bbad; line-height: 1.7; font-size: 14px; }
.admin-panel .admin-card { min-height: 208px; }
.admin-stack { display: grid; gap: 18px; }
.settings-row { display: grid; grid-template-columns: minmax(150px, 220px) minmax(0, 1fr); gap: 20px; align-items: start; padding: 22px 0; border-top: 1px solid #24382d; }
.settings-row:first-child { border-top: 0; padding-top: 10px; }
.row-title { position: sticky; top: 18px; padding: 10px 0; }
.row-title h1, .row-title h2 { margin: 0; font-size: clamp(24px, 2.4vw, 34px); line-height: 1.2; }
.row-title p:not(.eyebrow) { margin: 14px 0 0; color: #a9bbad; line-height: 1.7; font-size: 13px; }
.row-content { min-width: 0; }
.compact-heading { margin-bottom: 16px; }
.compact-heading h3 { margin: 0; font-size: 21px; }
.settings-row .wide-card { margin-top: 0; }
.admin-hero { padding: 58px 0 36px; }
.admin-hero h1 { max-width: 860px; font-size: clamp(34px, 4.3vw, 58px); }
.admin-grid { display: grid; grid-template-columns: minmax(320px, .85fr) minmax(420px, 1.15fr); gap: 22px; align-items: stretch; margin-bottom: 22px; }
.admin-card { padding: 22px; border: 1px solid var(--rule); border-radius: 20px; background: linear-gradient(145deg, #17241d, #101c16); box-shadow: 0 24px 70px rgba(0, 0, 0, .18); }
.admin-card h2 { margin-bottom: 20px; font-size: 25px; }
.wide-card { margin-top: 22px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-grid label, .account-form label, .account-edit label { margin: 0; }
select, .admin-card input { width: 100%; margin-top: 8px; padding: 12px 13px; border: 1px solid #406b4f; border-radius: 9px; background: #102017; color: var(--white); outline: none; letter-spacing: 0; font: 14px "Segoe UI", "Microsoft YaHei UI", sans-serif; }
select:focus-visible, .admin-card input:focus-visible { outline: 2px solid #a0f0c8; outline-offset: 2px; }
.admin-button, .ghost-button, .account-actions button, .command-box button, .result-box button { border: 1px solid var(--green); border-radius: 9px; color: #0c2819; background: var(--green); font-weight: 700; }
.admin-button { width: 100%; min-height: 44px; margin-top: 16px; }
.ghost-button, .account-actions button, .command-box button, .result-box button { padding: 9px 12px; font-size: 12px; }
.ghost-button, .account-actions button:nth-child(2), .command-box button, .result-box button { color: var(--green-soft); background: transparent; border-color: #3e7355; }
.result-box { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; margin-top: 16px; padding: 14px; border: 1px solid #3e7355; border-radius: 12px; background: #0f1d16; }
.result-box[hidden] { display: none; }
.result-box span { color: var(--muted); font-size: 12px; }
.result-box code, .command-box code { color: var(--green); background: transparent; overflow-wrap: anywhere; }
.swap-flow { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 0; }
.swap-flow span { padding: 8px 10px; border: 1px solid #315040; border-radius: 999px; color: #c5d6c7; font-size: 12px; }
.account-form { display: grid; grid-template-columns: 1fr 160px 1fr 140px; gap: 12px; align-items: end; padding: 16px; border: 1px solid #284535; border-radius: 16px; background: #121f18; }
.account-list, .license-list { display: grid; gap: 12px; margin-top: 18px; }
.account-item, .license-item { padding: 18px; border: 1px solid #314c3a; border-radius: 16px; background: #14231a; }
.account-item.is-disabled, .license-item.is-disabled { opacity: .58; }
.account-main, .license-item { display: flex; justify-content: space-between; gap: 16px; }
.account-id { color: #83aa91; font: 12px Consolas, "Courier New", monospace; }
.account-item h3, .license-item h3 { margin: 6px 0 5px; color: var(--white); font: 600 17px "Segoe UI", "Microsoft YaHei UI", sans-serif; }
.account-item p, .license-item p { margin: 0; color: var(--muted); font-size: 13px; }
.account-pill { flex: none; align-self: start; padding: 6px 9px; border: 1px solid #3e7355; border-radius: 999px; color: var(--green-soft); font: 11px Consolas, "Courier New", monospace; }
.account-edit { display: grid; grid-template-columns: 1fr 180px; gap: 12px; margin-top: 16px; }
.command-box { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; margin-top: 14px; padding: 11px 12px; border-radius: 12px; background: #0f1d16; }
.account-actions { display: flex; gap: 10px; margin-top: 14px; }
.empty-state { margin: 0; padding: 22px; border: 1px dashed #3b5f49; border-radius: 14px; color: var(--muted); }
.admin-message { position: sticky; bottom: 16px; min-height: 20px; margin: 24px 0 0; padding: 12px 15px; border: 1px solid #2f4c3b; border-radius: 12px; background: rgba(15, 29, 22, .94); color: var(--muted); backdrop-filter: blur(8px); }
.admin-message[data-kind="ok"] { color: var(--green-soft); border-color: #3e7355; }
.admin-message[data-kind="error"] { color: #ffb3a7; border-color: #7c3a32; }
.admin-message[data-kind="warn"] { color: #e7c792; border-color: #66512b; }

@media (max-width: 920px) {
  .admin-console { grid-template-columns: 1fr; gap: 18px; }
  .admin-sidebar { position: static; padding: 8px 0 0; }
  .panel-menu { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panel-tab { align-items: flex-start; flex-direction: column; gap: 5px; }
  .admin-grid, .account-form { grid-template-columns: 1fr; }
  .command-box { grid-template-columns: 1fr; }
  .account-edit { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .panel-menu { grid-template-columns: 1fr; }
  .settings-row { grid-template-columns: 1fr; gap: 14px; padding: 24px 0; }
  .row-title { position: static; padding: 0; }
}