:root {
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: #17212e;
  background: #ffffff;
  font-synthesis: none;
  --ink: #17212e;
  --muted: #5e6978;
  --line: #e3e8ee;
  --surface: #f6f8fb;
  --accent: #2955c7;
  --accent-soft: #edf2ff;
  --gold: #9b741f;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { color: #173c99; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
button { font: inherit; }
p { line-height: 1.8; }
h1, h2, h3 { font-weight: 650; letter-spacing: -.035em; line-height: 1.35; }
h1 { font-size: clamp(34px, 4vw, 54px); margin: 18px 0 24px; max-width: 830px; }
h2 { font-size: clamp(24px, 2.4vw, 32px); margin: 0 0 18px; }
h3 { font-size: 20px; margin: 0 0 12px; }
ul, ol { line-height: 1.9; padding-left: 1.4em; }
li + li { margin-top: 8px; }
.wrap { max-width: 1280px; margin: auto; padding: 0 40px; }
.skip { position: fixed; top: -80px; left: 16px; z-index: 20; padding: 12px; background: white; }
.skip:focus { top: 10px; }
.site-header { background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); white-space: nowrap; }
.brand svg { width: 30px; height: 36px; }
.brand strong { font-size: 23px; letter-spacing: -.7px; }
.brand small { display: block; color: var(--muted); font-size: 11px; letter-spacing: .08em; margin-top: 3px; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav > a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-size: 14px; color: #465262; }
.nav > a:hover, .nav > a[aria-current=page] { color: var(--accent); }
.nav > a[aria-current=page] { text-decoration: underline; text-underline-offset: 8px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 20px; background: var(--ink); color: #fff; border: 1px solid var(--ink); border-radius: 8px; min-height: 48px; padding: 12px 22px; text-decoration: none; font-size: 14px; font-weight: 600; line-height: 1.5; transition: background .15s, border-color .15s; }
.button:hover { background: #2a3b51; border-color: #2a3b51; color: #fff; }
.button.secondary { color: #344152; background: #fff; border-color: #cdd5df; }
.button.secondary:hover { background: var(--surface); border-color: #aab7c7; }
.nav .button { color: #fff; min-height: 44px; padding: 10px 18px; margin-left: 10px; }
.eyebrow { font-size: 12px; font-weight: 600; color: var(--muted); letter-spacing: .1em; display: flex; align-items: center; gap: 10px; margin: 0 0 18px; }
.eyebrow::before { content: ""; width: 16px; height: 2px; flex: 0 0 auto; background: var(--accent); }
.lead { font-size: 17px; color: var(--muted); max-width: 550px; margin: 0; line-height: 1.9; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.note, .meta { font-size: 12px; color: var(--muted); line-height: 1.8; margin-top: 20px; }
.home-page {
  --ink: var(--gt-ink, #18203a);
  --muted: #65708a;
  --line: #e0e5f1;
  --accent: var(--gt-brand-strong, #4352dc);
  --home-blue: var(--gt-brand, #5865f2);
  --panel-paper: #ffffff;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background-color: var(--gt-canvas, #f4f6fb);
  background-image: radial-gradient(ellipse at 16% 22%, #5865f20b, transparent 55%), linear-gradient(#5b6ba005 1px, transparent 1px), linear-gradient(90deg, #5b6ba005 1px, transparent 1px);
  background-size: auto, 64px 64px, 64px 64px;
  color: var(--ink);
}
.home-page > .site-header { background: #ffffff80; border-bottom-color: #e0e5f1; }
.home-page .wrap { width: 100%; max-width: 1720px; padding-left: clamp(24px, 4vw, 72px); padding-right: clamp(24px, 4vw, 72px); }
.home-page .header-inner { min-height: 88px; }
.home-page .brand { gap: 13px; }
.home-page .brand strong { font-size: 25px; font-weight: 600; }
.home-page .brand svg { width: 32px; height: 38px; color: var(--home-blue); }
.home-page .brand svg path { stroke: currentColor; }
.home-page .nav { gap: 34px; }
.home-page .nav > a { color: #59657e; }
.home-page .nav > a:hover { color: var(--accent); }
.home-page .nav > a:last-child { color: var(--accent); border: 1px solid #d8def5; border-radius: 8px; padding: 0 22px; background: #ffffff; }
.home-page main { flex: 1; display: flex; align-items: center; padding-top: 40px; padding-bottom: 40px; }
.home-hero {
  width: 100%;
  min-height: min(720px, calc(100svh - 248px));
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
  align-items: stretch;
  gap: 0;
  border: 1px solid #dfe4f2;
  border-radius: 20px;
  overflow: hidden;
  background: var(--panel-paper);
  box-shadow: 0 30px 80px -26px #3440842e, 0 3px 12px #34408406;
}
.hero-copy {
  min-width: 0;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(40px, 4.6vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(118deg, #3445aa 0%, #4054cd 62%, #5865f2 100%);
  color: #ffffff;
}
.hero-copy::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(90deg, #20348626, transparent 65%); }
.hero-copy::after { content: ""; position: absolute; inset: 16px; border: 1px solid #dce7ff1f; border-radius: 8px; z-index: -1; pointer-events: none; }
.brand-contours { position: absolute; z-index: -1; pointer-events: none; width: 620px; max-width: none; height: 720px; right: -240px; top: -86px; opacity: .85; }
.brand-rule { display: flex; align-items: center; gap: 7px; margin-bottom: 30px; }
.brand-rule span:first-child { width: 36px; height: 3px; border-radius: 2px; background: #c6d6ff; }
.brand-rule span:last-child { width: 10px; height: 3px; border-radius: 2px; background: #9ebaff80; }
.home-hero h1 { position: relative; font-size: clamp(38px, 3.6vw, 58px); font-weight: 600; line-height: 1.28; margin: 0 0 24px; letter-spacing: .01em; color: #ffffff; }
.home-hero h1 > span { display: block; color: #d7e3ff; }
.home-hero .lead { position: relative; font-size: 17px; color: #e1e7ff; line-height: 1.8; }
.home-features { position: relative; margin-top: 44px; max-width: 500px; }
.home-features dl { margin: 0; }
.home-features dl > div { padding: 17px 0; display: grid; grid-template-columns: 102px 1fr; gap: 18px; align-items: baseline; border-top: 1px solid #c7d4ff33; }
.home-features dl > div:last-child { padding-bottom: 0; }
.home-features dt { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 500; letter-spacing: .02em; color: #ffffff; }
.home-features dt svg { width: 18px; height: 18px; flex: 0 0 auto; color: #c5d7ff; align-self: center; }
.home-features dd { margin: 0; font-size: 13px; line-height: 1.8; color: #e1e7ff; }
.home-login { min-width: 0; position: relative; display: flex; flex-direction: column; justify-content: center; padding: 52px clamp(32px, 4.2vw, 72px); border: 0; scroll-margin-top: 24px; background: var(--panel-paper); }
.home-login::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, #5865f2, #cbd4ff 55%, #eef0ff); }
.public-login { width: 100%; max-width: 400px; margin: 0 auto; }
.public-login .login-title { display: flex; align-items: center; gap: 13px; font-size: 27px; font-weight: 600; letter-spacing: .04em; margin: 0; color: var(--gt-ink, #18203a); }
.public-login .login-title::before { content: ""; width: 4px; height: 24px; border-radius: 3px; background: var(--gt-brand, #5865f2); }
.public-login form { margin-top: 32px; }
.public-login form > label { color: #505c76; font-size: 13px; }
.public-login .login-input { min-height: 50px; margin-top: 8px; background: #f7f8fc; border: 1px solid #dfe4ef; border-radius: 8px; color: var(--gt-ink, #18203a); box-shadow: inset 0 1px 2px #18203a03; }
.public-login .relative .login-input { margin-top: 0; }
.public-login .login-input::placeholder { color: #637089; }
.public-login .login-input:focus { background: #fff; outline: 2px solid var(--gt-brand, #5865f2); outline-offset: 2px; border-color: var(--gt-brand, #5865f2); }
.login-submit { width: 100%; min-height: 50px; padding: 12px 16px; border-radius: 8px; border: 1px solid transparent; background: linear-gradient(120deg, var(--gt-brand, #5865f2), var(--gt-brand-strong, #4352dc)); color: #ffffff; font-size: 14px; font-weight: 500; letter-spacing: .04em; cursor: pointer; box-shadow: 0 6px 16px #5865f22b, inset 0 1px 0 #ffffff26; transition: background .15s, box-shadow .15s; }
.login-submit:hover { background: var(--gt-brand-strong, #4352dc); box-shadow: 0 7px 20px #5865f23b; }
.login-submit:disabled { opacity: .6; cursor: wait; }
.public-login .gt-primary-button { background: var(--gt-brand, #5865f2); border-radius: 8px; box-shadow: none; }
.public-login > .grid button { border-radius: 8px; border-color: #dfe4ef; background: #ffffff; color: #505c76; }
.public-login > .grid button svg { color: #647498; }
.public-login > .grid button:hover { border-color: #aebaf4; background: var(--gt-brand-soft, #eef0ff); }
.public-login > button:last-child { color: var(--gt-brand-strong, #4352dc); min-height: 44px; margin-top: 16px; font-size: 13px; }
.public-login > .my-5 { color: #68748c; margin-top: 24px; margin-bottom: 20px; }
.home-page .site-footer { background: #ffffff50; border-top-color: #e0e5f1; padding: 16px 0; }
.home-page .footer-inner { color: #65708a; }
.home-page .footer-inner > strong { font-size: 12px; font-weight: 500; letter-spacing: .02em; }
.home-footer .footer-inner { align-items: center; }
.home-footer .footer-links { align-items: center; }
.site-info { position: relative; }
.site-info summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; list-style: none; }
.site-info summary::-webkit-details-marker { display: none; }
.site-info summary::after { content: "+"; margin-left: 7px; }
.site-info[open] summary::after { content: "−"; }
.site-info .meta { position: absolute; bottom: 48px; right: 0; width: 290px; margin: 0; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.site-info .meta a { display: inline; min-height: 0; text-decoration: underline; }
.page-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 26px; }
.page-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 26px; text-decoration: none; transition: border-color .15s, box-shadow .15s; }
.page-card:hover { border-color: #abbcd5; box-shadow: 0 6px 24px #17212e07; }
.page-card small { font-size: 11px; color: var(--muted); letter-spacing: .06em; margin-bottom: 14px; }
.page-card h3 { color: var(--ink); font-size: 18px; margin-bottom: 12px; line-height: 1.6; }
.page-card p { font-size: 13px; color: var(--muted); line-height: 1.85; margin: 0 0 20px; }
.page-card > span { margin-top: auto; padding-top: 8px; font-size: 12px; color: var(--accent); }
.hero { padding: 56px 0 40px; }
.section { padding: 40px 0; border-bottom: 1px solid var(--line); }
.section p { color: var(--muted); max-width: 800px; margin: 14px 0; }
.section ul, .section ol { color: #445164; max-width: 850px; }
.article { max-width: 940px; }
.article h1 { font-size: clamp(32px, 4vw, 48px); }
.breadcrumb { display: flex; gap: 9px; flex-wrap: wrap; font-size: 12px; color: var(--muted); padding-top: 26px; line-height: 1.8; }
.breadcrumb a { text-decoration: none; }
.table-scroll { overflow-x: auto; margin: 24px 0; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
table { border-collapse: collapse; width: 100%; font-size: 14px; min-width: 560px; text-align: left; }
th, td { padding: 15px 18px; line-height: 1.75; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface); font-weight: 600; white-space: nowrap; }
td:first-child, th:first-child { width: 64px; text-align: center; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
.download-box { display: flex; align-items: center; justify-content: space-between; gap: 28px; background: var(--surface); padding: 26px 30px; border: 1px solid var(--line); border-radius: 12px; margin: 24px 0; }
.download-box p { font-size: 13px; margin: 8px 0 0; color: var(--muted); }
.download-box .button { white-space: nowrap; }
.cta-panel { margin: 54px 0; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 32px; display: flex; justify-content: space-between; gap: 32px; align-items: center; }
.cta-panel h2 { font-size: 26px; margin-bottom: 12px; }
.cta-panel p { color: var(--muted); font-size: 14px; margin: 0; max-width: 600px; }
.cta-panel .button { white-space: nowrap; }
.site-footer { padding: 28px 0; border-top: 1px solid var(--line); background: #fbfcfd; }
.footer-inner { display: flex; gap: 24px; justify-content: space-between; align-items: flex-start; font-size: 12px; color: var(--muted); line-height: 1.9; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; color: var(--muted); }
.footer-links a:hover { color: var(--accent); }
.footer-inner p { margin: 0; }
.footer-inner strong { color: var(--ink); }
.empty-message { padding: 70px 0 100px; }
.empty-message h1 { font-size: 44px; }
.inline-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 22px; font-size: 14px; }
@media (max-width: 1050px) {
  .wrap { padding: 0 28px; }
  .nav { gap: 22px; }
  .brand small { display: none; }
}
@media (max-width: 760px) {
  .page-grid { grid-template-columns: 1fr; }
  .cta-panel { align-items: flex-start; flex-direction: column; padding: 28px; gap: 24px; }
  .footer-inner { flex-direction: column; gap: 14px; }
  .home-footer .footer-inner { align-items: flex-start; }
  .site-info .meta { right: auto; left: -120px; }
}
@media (max-width: 600px) {
  .wrap { padding: 0 20px; }
  .header-inner { min-height: 72px; gap: 12px; flex-wrap: wrap; padding-top: 16px; padding-bottom: 12px; }
  .brand strong { font-size: 22px; }
  .brand svg { width: 26px; height: 31px; }
  .nav { width: 100%; justify-content: space-between; gap: 10px; }
  .nav > a { font-size: 12px; }
  .nav .button { font-size: 12px; padding: 10px 12px; margin-left: 0; }
  .eyebrow { font-size: 11px; letter-spacing: .07em; }
  .lead { font-size: 15px; }
  .actions { gap: 10px; margin-top: 24px; }
  .actions .button { padding: 12px 20px; font-size: 14px; gap: 12px; }
  .section, .hero { padding: 32px 0; }
  .article h1 { font-size: 31px; }
  .download-box { flex-direction: column; align-items: flex-start; padding: 23px; }
  .cta-panel { margin: 40px 0; padding: 26px; }
  .cta-panel h2 { font-size: 24px; }
  .footer-links { gap: 16px; }
}
@media (min-width: 1800px) {
  .home-page .wrap { max-width: 1840px; }
  .home-hero { min-height: 740px; }
  .home-hero h1 { font-size: 64px; }
  .hero-copy { padding: 80px 88px; }
  .home-hero .lead { font-size: 19px; }
  .home-features { margin-top: 56px; max-width: 590px; }
  .home-features dt, .home-features dd { font-size: 15px; }
  .home-features dl > div { grid-template-columns: 116px 1fr; padding-top: 21px; padding-bottom: 21px; }
  .public-login { max-width: 440px; }
}
@media (max-width: 1050px) {
  .home-page .wrap { padding-left: 28px; padding-right: 28px; }
  .home-hero { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); min-height: 620px; }
  .hero-copy { padding: 40px 36px; }
  .home-hero h1 { font-size: 43px; }
  .home-hero .lead { font-size: 15px; }
  .home-features { margin-top: 36px; }
  .home-features dl > div { grid-template-columns: 84px 1fr; gap: 12px; }
  .home-features dt { gap: 7px; }
  .home-features dt svg { width: 16px; height: 16px; }
  .home-features dt, .home-features dd { font-size: 12px; }
  .home-login { padding: 40px 30px; }
}
@media (max-width: 760px) {
  .home-page main { padding-top: 24px; padding-bottom: 24px; }
  .home-hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-copy { padding: 38px 32px; }
  .brand-rule { margin-bottom: 22px; }
  .brand-contours { width: 490px; height: auto; right: -220px; top: -76px; opacity: .6; }
  .home-hero h1 { font-size: 38px; margin-bottom: 16px; }
  .home-hero .lead { font-size: 15px; }
  .home-features { margin-top: 28px; max-width: none; }
  .home-features dl > div { padding: 13px 0; }
  .home-login { padding: 36px 32px 28px; }
  .public-login { max-width: none; }
}
@media (max-width: 600px) {
  .home-page .wrap { padding-left: 16px; padding-right: 16px; }
  .home-page .header-inner { min-height: 76px; padding-top: 12px; padding-bottom: 12px; gap: 4px 20px; }
  .home-page .brand { gap: 10px; }
  .home-page .brand strong { font-size: 21px; }
  .home-page .brand svg { width: 25px; height: 30px; }
  .home-page .nav { width: auto; gap: 20px; justify-content: flex-start; }
  .home-page .nav > a { font-size: 11px; min-height: 36px; }
  .home-page .nav > a:last-child { padding: 0 14px; }
  .home-page main { padding-top: 16px; padding-bottom: 20px; }
  .home-hero { border-radius: 14px; }
  .hero-copy { padding: 30px 24px; }
  .hero-copy::after { inset: 10px; }
  .home-hero h1 { font-size: 36px; }
  .home-hero .lead { font-size: 14px; }
  .home-features dl > div { grid-template-columns: 80px 1fr; gap: 10px; }
  .home-login { padding: 30px 24px 24px; }
  .public-login .login-title { font-size: 24px; }
  .public-login form { margin-top: 24px; }
  .home-page .footer-inner { gap: 6px; }
}
@media (max-width: 380px) {
  .public-login > .grid button { gap: 4px; padding-left: 4px; padding-right: 4px; font-size: 11px; white-space: nowrap; }
  .public-login > .grid button svg { width: 13px; height: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .page-card, .button, .login-submit { transition: none; }
}
@media print {
  .site-header, .site-footer, .actions, .cta-panel, .download-box, .inline-links { display: none; }
  .wrap { max-width: none; padding: 0; }
  .home-page { min-height: 0; }
  .hero, .section, .home-hero { padding: 16px 0; }
  .home-hero { display: block; min-height: 0; border: 0; box-shadow: none; }
  .hero-copy { background: white; color: #17212e; padding: 0; }
  .brand-contours, .brand-rule, .hero-copy::before, .hero-copy::after { display: none; }
  .home-hero h1, .home-hero h1 > span, .home-hero .lead, .home-features dt, .home-features dd { color: #17212e; }
  .home-features { padding: 0; border: 0; }
  .home-login { display: none; }
  .page-card { break-inside: avoid; }
  .table-scroll { overflow: visible; }
  table { min-width: 0; }
}
