:root {
  color-scheme: light;
  font-family: "Segoe UI", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-synthesis: none;
  --ink: #18232d;
  --muted: #63717a;
  --line: #d8dedf;
  --paper: #f7f8f6;
  --green: #55786a;
  --coral: #ba665d;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 280px; color: var(--ink); background: var(--paper); }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid #33715e; outline-offset: 3px; }
.case-nav { position: relative; z-index: 10; display: flex; align-items: center; justify-content: space-between; min-height: 68px; padding: 0 32px; border-bottom: 1px solid rgba(255,255,255,.28); background: rgba(18,25,33,.52); color: #fff; backdrop-filter: blur(16px); }
.case-nav strong { letter-spacing: 0; }
.case-nav a:last-child { font-size: 13px; }
.comic-hero { position: relative; min-height: 76svh; display: flex; align-items: flex-end; overflow: hidden; color: #fff; background: #121d27 url("comic/assets/episode-17.jpg") center 36% / cover no-repeat; }
.comic-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg,rgba(10,17,25,.1),rgba(10,17,25,.28) 45%,rgba(10,17,25,.86)); }
.comic-hero .case-nav { position: absolute; inset: 0 0 auto; }
.hero-copy { position: relative; z-index: 1; width: min(1180px,calc(100% - 48px)); margin: 0 auto; padding: 110px 0 64px; }
.kicker { margin: 0 0 14px; color: #d8e6de; font-size: 11px; letter-spacing: 2px; }
.hero-copy h1 { max-width: 760px; margin: 0; font: 400 clamp(44px,7vw,92px)/1.12 "Songti SC","STSong",serif; letter-spacing: 0; }
.hero-copy > p:last-child { max-width: 650px; margin: 24px 0 0; color: rgba(255,255,255,.82); font-size: 15px; line-height: 1.9; }
.stat-band { display: grid; grid-template-columns: repeat(4,1fr); border-bottom: 1px solid var(--line); background: #fff; }
.stat { padding: 28px 34px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font: 400 34px/1.1 Georgia,serif; color: #2d4a40; }
.stat span { display: block; margin-top: 8px; color: var(--muted); font-size: 12px; }
.case-section { width: min(1180px,calc(100% - 48px)); margin: 0 auto; padding: 76px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 32px; }
.section-head h2 { margin: 0; font: 400 clamp(30px,4vw,48px)/1.2 "Songti SC","STSong",serif; }
.section-head p { max-width: 530px; margin: 0; color: var(--muted); line-height: 1.8; font-size: 14px; }
.page-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.page-strip img { display: block; width: 100%; aspect-ratio: 2 / 3; object-fit: cover; border-radius: 6px; background: #dfe3df; box-shadow: 0 18px 50px rgba(30,42,48,.12); }
.gallery-band { padding: 70px 0 84px; background: #151c25; color: #fff; }
.gallery-band .case-section { padding: 0; }
.gallery-band .section-head p { color: #aeb9c0; }
.visual-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.visual-card { position: relative; min-width: 0; padding: 0; overflow: hidden; border: 0; border-radius: 6px; background: #202b36; color: #fff; text-align: left; }
.visual-card img { display: block; width: 100%; aspect-ratio: 2 / 3; object-fit: cover; transition: transform .35s ease,opacity .35s ease; }
.visual-card:hover img { transform: scale(1.025); opacity: .86; }
.visual-card span { position: absolute; inset: auto 0 0; padding: 28px 14px 12px; background: linear-gradient(transparent,rgba(7,11,16,.82)); font-size: 11px; }
.pipeline { display: grid; grid-template-columns: repeat(5,1fr); gap: 0; counter-reset: step; }
.pipeline article { position: relative; padding: 24px 24px 28px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pipeline article + article { border-left: 1px solid var(--line); }
.pipeline article::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 38px; color: var(--coral); font: 14px Georgia,serif; }
.pipeline h3 { margin: 0 0 10px; font-size: 16px; }
.pipeline p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.lightbox { width: min(900px,calc(100% - 32px)); max-height: 92svh; padding: 0; border: 0; border-radius: 6px; background: #111820; color: #fff; box-shadow: 0 28px 90px rgba(0,0,0,.42); }
.lightbox::backdrop { background: rgba(5,9,13,.82); backdrop-filter: blur(8px); }
.lightbox img { display: block; width: 100%; max-height: 82svh; object-fit: contain; }
.lightbox footer { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 12px 16px; }
.lightbox button { width: 36px; height: 36px; border: 1px solid #56616d; border-radius: 50%; background: transparent; color: #fff; font-size: 20px; }
.agent-body { min-height: 100svh; background: #edf1ef; }
.agent-body .case-nav { background: #18232d; }
.agent-shell { width: min(1320px,calc(100% - 40px)); margin: 0 auto; padding: 32px 0 70px; }
.agent-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: end; margin: 14px 0 28px; }
.agent-heading h1 { margin: 0; font-size: clamp(38px,5vw,68px); font-weight: 560; line-height: 1.06; letter-spacing: 0; }
.agent-heading p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.agent-console { display: grid; grid-template-columns: 360px minmax(0,1fr); min-height: 640px; overflow: hidden; border: 1px solid #cdd7d2; border-radius: 8px; background: #fff; box-shadow: 0 22px 70px rgba(34,52,45,.09); }
.task-composer { padding: 26px; border-right: 1px solid var(--line); background: #f7f8f6; }
.console-label { margin: 0 0 22px; color: var(--green); font-size: 11px; font-weight: 700; letter-spacing: 1px; }
.field { display: grid; gap: 7px; margin-bottom: 16px; }
.field label { color: #52615a; font-size: 12px; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid #cdd6d1; border-radius: 5px; background: #fff; padding: 11px 12px; color: var(--ink); }
.field textarea { min-height: 92px; resize: vertical; line-height: 1.55; }
.run-task { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 48px; margin-top: 22px; border: 0; border-radius: 5px; padding: 0 15px; background: #2d6653; color: #fff; font-weight: 650; }
.run-task:disabled { cursor: wait; opacity: .7; }
.privacy-note { margin: 16px 0 0; color: #7b8982; font-size: 11px; line-height: 1.7; }
.execution-view { display: grid; grid-template-rows: auto auto 1fr; min-width: 0; }
.execution-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 62px; padding: 0 24px; border-bottom: 1px solid var(--line); }
.execution-top strong { font-size: 14px; }
.status-pill { display: inline-flex; align-items: center; gap: 7px; font-size: 11px; color: #67756f; }
.status-pill i { width: 7px; height: 7px; border-radius: 50%; background: #95a19b; }
.status-pill.running i { background: #d29b4b; box-shadow: 0 0 0 5px rgba(210,155,75,.14); }
.status-pill.done i { background: #4d8a70; box-shadow: 0 0 0 5px rgba(77,138,112,.14); }
.agent-flow { display: grid; grid-template-columns: repeat(5,1fr); padding: 30px 24px; border-bottom: 1px solid var(--line); }
.flow-step { position: relative; min-width: 0; text-align: center; color: #829089; }
.flow-step::after { content: ""; position: absolute; top: 14px; left: calc(50% + 16px); width: calc(100% - 32px); height: 1px; background: #d1d9d5; }
.flow-step:last-child::after { display: none; }
.flow-dot { position: relative; z-index: 1; display: grid; place-items: center; width: 29px; height: 29px; margin: 0 auto 10px; border: 1px solid #c8d2cd; border-radius: 50%; background: #fff; font-size: 10px; }
.flow-step.active, .flow-step.done { color: #315f50; }
.flow-step.active .flow-dot { border-color: #d59a47; background: #fff7e9; color: #8b5b19; }
.flow-step.done .flow-dot { border-color: #4f866f; background: #e8f2ed; }
.flow-step span:last-child { font-size: 11px; white-space: nowrap; }
.execution-log { min-height: 0; display: grid; grid-template-columns: minmax(0,1.2fr) minmax(260px,.8fr); }
.terminal { min-width: 0; padding: 24px; background: #172129; color: #dbe7e1; }
.terminal-head { display: flex; align-items: center; gap: 6px; margin-bottom: 18px; color: #84958d; font-size: 11px; }
.terminal-head i { width: 7px; height: 7px; border-radius: 50%; background: #bd685f; }
.terminal-head i:nth-child(2) { background: #c79a4b; }
.terminal-head i:nth-child(3) { background: #579072; margin-right: 7px; }
.terminal pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font: 12px/1.8 "Cascadia Code",Consolas,monospace; }
.result-panel { padding: 24px; background: #f8faf8; }
.result-panel h2 { margin: 0 0 18px; font-size: 15px; }
.result-list { display: grid; gap: 12px; }
.result-item { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.result-item span { display: block; color: #7b8882; font-size: 10px; }
.result-item strong { display: block; margin-top: 5px; font-size: 13px; overflow-wrap: anywhere; }
.architecture { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 26px; border: 1px solid #ccd5d1; background: #fff; }
.architecture article { padding: 22px; border-right: 1px solid var(--line); }
.architecture article:last-child { border-right: 0; }
.architecture small { color: var(--coral); }
.architecture h2 { margin: 22px 0 9px; font-size: 16px; }
.architecture p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.case-footer { display: flex; justify-content: space-between; gap: 20px; padding: 26px 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
@media (max-width: 900px) {
  .visual-grid { grid-template-columns: repeat(3,1fr); }
  .pipeline { grid-template-columns: 1fr 1fr; }
  .pipeline article { border: 1px solid var(--line); }
  .agent-console { grid-template-columns: 1fr; }
  .task-composer { border-right: 0; border-bottom: 1px solid var(--line); }
  .agent-heading { grid-template-columns: 1fr; gap: 18px; }
  .architecture { grid-template-columns: 1fr 1fr; }
  .architecture article { border-bottom: 1px solid var(--line); }
}
@media (max-width: 620px) {
  .case-nav { min-height: 58px; padding: 0 18px; }
  .case-nav a:last-child { font-size: 11px; }
  .comic-hero { min-height: 70svh; }
  .hero-copy { width: calc(100% - 36px); padding-bottom: 38px; }
  .stat-band { grid-template-columns: 1fr 1fr; }
  .stat { padding: 20px; border-bottom: 1px solid var(--line); }
  .case-section { width: calc(100% - 36px); padding: 52px 0; }
  .section-head { align-items: start; flex-direction: column; gap: 14px; }
  .page-strip { grid-template-columns: 1fr; }
  .visual-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .pipeline { grid-template-columns: 1fr; }
  .agent-shell { width: calc(100% - 24px); padding-top: 22px; }
  .agent-heading h1 { font-size: 42px; }
  .task-composer, .terminal, .result-panel { padding: 20px; }
  .agent-flow { grid-template-columns: 1fr; gap: 10px; padding: 20px; }
  .flow-step { display: flex; align-items: center; gap: 10px; text-align: left; }
  .flow-step::after { top: 28px; bottom: -11px; left: 14px; width: 1px; height: auto; }
  .flow-dot { flex: 0 0 29px; margin: 0; }
  .execution-log { grid-template-columns: 1fr; }
  .architecture { grid-template-columns: 1fr; }
  .case-footer { flex-direction: column; padding: 22px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}