:root{color-scheme:light;--ink:#172648;--muted:#61708c;--blue:#2862da;--line:#dfe6f1;--paper:#fff;--bg:#f5f7fc}
*{box-sizing:border-box}
html{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg)}
button{font:inherit;cursor:pointer}
button:focus-visible,a:focus-visible{outline:3px solid #8db1ff;outline-offset:3px}
.shell{width:min(1120px,calc(100% - 48px));margin-inline:auto}
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-size:18px;font-weight:800;letter-spacing:.02em}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--ink);color:#fff;font-size:17px}
.header-tag{border:1px solid var(--line);border-radius:999px;padding:7px 13px;color:var(--muted);font-size:12px}
.intro{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:center;min-height:390px;padding:52px 0 40px}
.eyebrow{margin:0 0 14px;color:#2d68db;font-size:11px;letter-spacing:.17em;font-weight:800}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(36px,5vw,64px);line-height:1.16;letter-spacing:-.045em;margin-bottom:20px}
h1 span{color:var(--blue)}
.intro-copy{max-width:550px;color:var(--muted);font-size:16px;line-height:1.8;margin:0}
.intro-visual{height:280px;display:grid;place-items:center;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 48%,#e2ebff 0,#edf3ff 45%,transparent 70%)}
.ticket-art{position:relative;z-index:1;display:flex;align-items:center;flex-direction:column;width:226px;padding:23px 24px 22px;background:white;border:1px solid #dce7ff;border-radius:20px;box-shadow:0 24px 60px #2353a829;transform:rotate(-5deg)}
.ticket-art>span{font-size:12px;color:var(--muted);letter-spacing:.12em}
.ticket-art strong{font-size:58px;line-height:1.4;color:var(--blue);letter-spacing:-.06em}
.ticket-art strong span{color:var(--ink)}
.ticket-art i{font-size:12px;font-style:normal;color:var(--muted);border-top:1px dashed #d4deed;padding-top:12px;width:100%;text-align:center}
.orbit{position:absolute;border:1px solid #acc4f35c;border-radius:50%;width:290px;height:290px}.orbit-two{width:390px;height:390px}
.workspace{padding:28px 0 64px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:22px}
h2{font-size:30px;letter-spacing:-.025em;margin:0}
.text-button{border:0;background:transparent;color:#486185;text-decoration:underline;text-underline-offset:3px;padding:8px 0;font-size:13px}
.scene-picker{display:flex;gap:10px;margin-bottom:18px}
.scene-button{display:flex;align-items:center;gap:9px;padding:11px 18px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted);font-weight:700}
.scene-button.active{background:#e9f0ff;border-color:#89aaf0;color:#1b4fae}
.scene-dot{width:8px;height:8px;border-radius:50%;display:block}.dot-a{background:#3476ee}.dot-b{background:#ff9f58}
.dashboard{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;align-items:stretch}
.panel{min-width:0;padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:20px;box-shadow:0 8px 24px #21395a08}
.panel-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}.step{font-size:11px;font-weight:800;color:#3b70d8;background:#eaf1ff;padding:6px 8px;border-radius:7px}h3{font-size:20px;margin:0}
.panel-copy{min-height:50px;color:var(--muted);font-size:13px;line-height:1.7;margin-bottom:18px}
.number-display,.current-display{height:142px;border-radius:15px;padding:20px;background:#f3f7ff;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;margin-bottom:16px}
.number-display span,.current-display span{font-size:12px;color:var(--muted)}
.number-display strong,.current-display strong{font-size:46px;line-height:1.28;letter-spacing:-.04em;color:#2259c4}
.current-display{background:#f4f6fa}.current-display strong{color:var(--ink)}.current-display em{font-size:12px;color:var(--muted);font-style:normal}
.button{border-radius:11px;border:1px solid transparent;min-height:43px;padding:10px 14px;font-weight:700;transition:transform .12s,background .12s}
.button:hover:not(:disabled){transform:translateY(-1px)}.button:disabled{opacity:.42;cursor:not-allowed}
.button-primary{width:100%;display:flex;justify-content:space-between;background:var(--blue);color:#fff}.button-primary:hover:not(:disabled){background:#164fbf}
.button-dark{background:var(--ink);color:#fff}.button-light{background:#f5f7fb;color:var(--ink);border-color:var(--line)}
.control-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.action-note{font-size:12px;color:var(--muted);margin:12px 0 0;min-height:20px}
.stats{display:flex;gap:8px;margin-bottom:16px}.stats div{flex:1;background:#f8faff;border:1px solid #e9eef7;border-radius:12px;padding:12px}.stats strong{display:block;font-size:23px}.stats span{font-size:11px;color:var(--muted)}
.ticket-list{padding:0;margin:0;list-style:none;display:flex;flex-direction:column;gap:7px;max-height:170px;overflow:auto}
.ticket-list li{display:flex;justify-content:space-between;gap:8px;border-bottom:1px solid #edf0f6;padding:7px 2px;font-size:13px}.ticket-list span{color:var(--muted)}
.message{min-height:21px;color:#2f62c5;font-size:13px;margin:15px 0 0}
.about{border-top:1px solid var(--line);padding:40px 0 55px;display:grid;grid-template-columns:1fr 1.2fr;gap:30px}.about h2{font-size:26px}.about>p{color:var(--muted);line-height:1.8;font-size:14px;margin:0}
.site-footer{background:#fff;border-top:1px solid var(--line)}.footer-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--muted);font-size:12px}.footer-inner a{color:#426bb7;text-decoration:none}.footer-inner a:hover{text-decoration:underline}
@media(max-width:900px){.dashboard{grid-template-columns:1fr 1fr}.overview-panel{grid-column:1/-1}.panel-copy{min-height:0}.intro{grid-template-columns:1fr .7fr}}
@media(max-width:640px){.shell{width:min(100% - 32px,440px)}.header-inner{height:62px}.intro{display:block;min-height:0;padding:46px 0 26px}.intro-visual{height:220px;margin-top:18px}.ticket-art{transform:rotate(-4deg) scale(.82)}.section-heading{align-items:start}.dashboard{display:block}.panel{margin-bottom:12px}.about{display:block;padding:30px 0 40px}.about>p{margin-top:15px}.footer-inner{flex-direction:column;justify-content:center;padding:18px 0}.workspace{padding-bottom:40px}}