@font-face { font-family: "Noto Sans SC Local"; src: url("assets/NotoSansSC-VF.ttf") format("truetype"); font-display: swap; }
* { box-sizing: border-box; scrollbar-width: thin; scrollbar-color: #e7a839 #151e27; }
*::selection { color: #10171f; background: #e7a839; }
*::-webkit-scrollbar { width: 10px; }
*::-webkit-scrollbar-track { background: #151e27; }
*::-webkit-scrollbar-thumb { background: #e7a839; border: 3px solid #151e27; }
*:focus-visible { outline: 2px solid #e7a839; outline-offset: 4px; }
:root {
  color-scheme: dark;
  --bg: #10171f; --panel: #151e27; --panel-soft: #19232d; --ink: #eef3f7;
  --muted: #9aa8b6; --faint: #8494a3; --accent: #e7a839; --line: #34414d; --line-strong: #52606c;
}
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--ink);
  background: radial-gradient(circle at 86% 0%, rgba(231,168,57,.11), transparent 31rem), linear-gradient(180deg,#111922 0%,var(--bg) 34rem);
  font-family: "Noto Sans SC Local", "Microsoft YaHei", sans-serif; line-height: 1.7; text-rendering: geometricPrecision;
}
.shell { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.site-header { min-height: 76px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); font-weight: 820; letter-spacing: .08em; text-decoration: none; }
.brand small { margin-left: 14px; color: var(--muted); font-size: 10px; font-weight: 650; letter-spacing: .2em; }
.top-nav { display: flex; align-items: center; gap: 28px; }
.top-nav a { color: var(--muted); font-size: 12px; text-decoration: none; text-underline-offset: .3em; }
.top-nav a:hover, .top-nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; }
.hero { position: relative; min-height: 490px; padding: 64px 0 62px; border-bottom: 1px solid var(--line); overflow: hidden; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 62px; color: var(--faint); font-size: 11px; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 86px; align-items: end; }
.hero h1 { max-width: 800px; margin: 0; font-size: clamp(48px, 5.7vw, 82px); line-height: 1.08; letter-spacing: -.035em; }
.hero-summary { max-width: 720px; margin: 25px 0 0; color: var(--muted); font-size: 16px; }
.hero-meta { position: relative; z-index: 2; padding: 26px 0 4px; border-top: 1px solid var(--accent); }
.hero-meta dl { margin: 0; }
.hero-meta div { display: grid; grid-template-columns: 88px 1fr; gap: 16px; padding: 8px 0; border-bottom: 1px solid rgba(52,65,77,.65); }
.hero-meta dt { color: var(--faint); font-size: 11px; }
.hero-meta dd { margin: 0; color: #c8d1d9; font-size: 12px; }
.gauge { position: absolute; right: -78px; top: 12px; width: 380px; height: 380px; border: 1px solid rgba(231,168,57,.22); border-radius: 50%; opacity: .78; }
.gauge::before,.gauge::after { content: ""; position: absolute; inset: 48px; border: 1px dashed rgba(154,168,182,.18); border-radius: 50%; }
.gauge::after { inset: 122px; border-style: solid; border-color: rgba(231,168,57,.18); }
.detail-layout { display: grid; grid-template-columns: 240px 1fr; gap: 72px; padding: 82px 0 100px; }
.rail { align-self: start; position: sticky; top: 24px; }
.rail-title { margin-bottom: 18px; color: var(--accent); font-size: 11px; font-weight: 760; letter-spacing: .14em; }
.rail a { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 12px; text-decoration: none; }
.rail a:hover { color: var(--ink); }
.rail .home-link { margin-top: 28px; color: var(--accent); border-bottom-color: rgba(231,168,57,.34); }
.content-section { padding: 0 0 74px; scroll-margin-top: 28px; }
.content-section + .content-section { padding-top: 70px; border-top: 1px solid var(--line-strong); }
.content-section h2 { margin: 0; font-size: 32px; line-height: 1.25; letter-spacing: -.02em; }
.content-section > p { max-width: 74ch; margin: 17px 0 0; color: var(--muted); font-size: 14px; }
.facts { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 34px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fact { min-height: 118px; padding: 24px 20px; border-right: 1px solid var(--line); }
.fact:last-child { border-right: 0; }
.fact span { display: block; color: var(--faint); font-size: 10px; letter-spacing: .08em; }
.fact strong { display: block; margin-top: 10px; color: var(--ink); font-size: 15px; }
.work-list { margin: 34px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.work-list li { display: grid; grid-template-columns: 62px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.work-list b { color: var(--accent); font-size: 12px; font-variant-numeric: tabular-nums; }
.work-list h3 { margin: 0; font-size: 18px; }
.work-list p { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.flow { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 36px; border: 1px solid var(--line); }
.flow-step { position: relative; min-height: 160px; padding: 28px 23px; border-right: 1px solid var(--line); }
.flow-step:last-child { border-right: 0; }
.flow-step::before { content: ""; position: absolute; left: 23px; top: 18px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.flow-step strong { display: block; margin-top: 10px; font-size: 15px; }
.flow-step span { display: block; margin-top: 8px; color: var(--muted); font-size: 12px; }
.result-band { margin-top: 34px; padding: 30px 0; border-top: 1px solid var(--accent); border-bottom: 1px solid var(--line); }
.result-band strong { display: block; font-size: 22px; }
.result-band p { max-width: 72ch; margin: 10px 0 0; color: var(--muted); font-size: 13px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tag { padding: 4px 9px; color: #bac5ce; border: 1px solid var(--line); font-size: 11px; }
.page-nav { display: grid; grid-template-columns: 1fr 1fr; margin-top: 18px; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line); }
.page-nav a { min-height: 122px; padding: 26px 24px; color: var(--muted); text-decoration: none; }
.page-nav a + a { border-left: 1px solid var(--line); }
.page-nav span { display: block; color: var(--faint); font-size: 10px; letter-spacing: .1em; }
.page-nav strong { display: block; margin-top: 8px; color: var(--ink); font-size: 15px; }
.page-nav a:hover strong { color: var(--accent); }
.archive-group { padding: 0 0 70px; }
.archive-group + .archive-group { padding-top: 64px; border-top: 1px solid var(--line-strong); }
.archive-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.archive-head h2 { margin: 0; font-size: 30px; }
.archive-head span { color: var(--muted); font-size: 12px; }
.archive-table { border-top: 1px solid var(--line-strong); }
.archive-row { display: grid; grid-template-columns: 120px 1fr 150px; gap: 28px; padding: 19px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.archive-row time { color: var(--accent); font-size: 12px; font-variant-numeric: tabular-nums; }
.archive-row strong { font-size: 14px; }
.archive-row span { color: var(--muted); font-size: 12px; text-align: right; }
.site-footer { padding: 31px 0 44px; color: var(--faint); border-top: 1px solid var(--line); font-size: 11px; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; }
@media (prefers-reduced-motion: no-preference) {
  .gauge { animation: calibrate 1.1s cubic-bezier(.16,1,.3,1) both; }
  @keyframes calibrate { from { opacity: .25; transform: rotate(-7deg) scale(.94); } to { opacity: .78; transform: rotate(0) scale(1); } }
}
@media (max-width: 820px) {
  .shell { width: min(100% - 32px,680px); }
  .site-header { min-height: 68px; }
  .brand small { display: none; }
  .top-nav { gap: 15px; }
  .top-nav a { font-size: 11px; }
  .hero { min-height: auto; padding: 40px 0 48px; }
  .breadcrumb { margin-bottom: 44px; }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .hero h1 { font-size: clamp(42px,12.6vw,60px); }
  .gauge { display: none; }
  .detail-layout { grid-template-columns: 1fr; gap: 52px; padding: 58px 0 76px; }
  .rail { position: static; }
  .rail nav { display: grid; grid-template-columns: 1fr 1fr; column-gap: 18px; }
  .rail .home-link { margin-top: 14px; }
  .facts { grid-template-columns: 1fr; }
  .fact { min-height: auto; padding: 18px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .fact:last-child { border-bottom: 0; }
  .flow { grid-template-columns: 1fr 1fr; }
  .flow-step:nth-child(2) { border-right: 0; }
  .flow-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .archive-row { grid-template-columns: 72px 1fr; gap: 16px; }
  .archive-row span { grid-column: 2; text-align: left; }
  .footer-inner { flex-direction: column; gap: 5px; }
}
@media (max-width: 470px) {
  .hero-summary { font-size: 14px; }
  .content-section h2,.archive-head h2 { font-size: 27px; }
  .flow { grid-template-columns: 1fr; }
  .flow-step { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .flow-step:last-child { border-bottom: 0; }
  .page-nav { grid-template-columns: 1fr; }
  .page-nav a + a { border-left: 0; border-top: 1px solid var(--line); }
  .archive-head { align-items: flex-start; flex-direction: column; gap: 5px; }
}