/* ==========================================================
   Peng Cheng · Personal Site
   ========================================================== */

@font-face {
  font-family: "InterVar";
  src: url("fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "JBMono";
  src: url("fonts/jbmono-var.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --bg: #07080c;
  --bg-2: #0b0c12;
  --panel: #0e1017;
  --panel-2: #151824;
  --code-bg: #0a0b11;
  --line: rgba(255, 255, 255, 0.07);
  --line-2: rgba(255, 255, 255, 0.13);
  --text: #eceef5;
  --text-2: #a3a8ba;
  --text-3: #6a7084;
  --accent: #8784e0;
  --accent-2: #a89cc9;
  --accent-3: #9aaec4;
  --accent-soft: rgba(135, 132, 224, 0.12);
  --ok: #4fd99a;
  --warn: #ffb547;
  --danger: #ff5d6e;
  --ink: #0b0b1a;
  --cell: #1a1d2b;
  --paper: #f2f3f8;
  --paper-ink: #1b1e2e;
  --paper-sk: #dcdfe9;
  --shadow: 0 40px 100px -40px rgba(0, 0, 0, 0.8);

  --sans: "InterVar", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: "JBMono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --container: 1200px;
}

:root[data-theme="light"] {
  --bg: #f7f7fb;
  --bg-2: #f0f1f7;
  --panel: #ffffff;
  --panel-2: #f2f3f9;
  --code-bg: #f6f7fc;
  --line: rgba(20, 22, 50, 0.08);
  --line-2: rgba(20, 22, 50, 0.16);
  --text: #0e1020;
  --text-2: #4a4f66;
  --text-3: #8a8fa4;
  --accent: #4f4bb8;
  --accent-2: #7a6aa8;
  --accent-3: #4f6a86;
  --accent-soft: rgba(79, 75, 184, 0.08);
  --ok: #10a36a;
  --warn: #d48800;
  --danger: #e2394b;
  --ink: #ffffff;
  --cell: #e6e8f2;
  --paper: #ffffff;
  --paper-sk: #e4e6ef;
  --shadow: 0 40px 90px -45px rgba(30, 30, 80, 0.35);
}

/* ---------- 语言切换 ---------- */
:root[data-lang="zh"] [lang="en"],
:root[data-lang="en"] [lang="zh"] { display: none !important; }

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11", "ss01";
  overflow-x: hidden;
  transition: background-color .4s ease, color .4s ease;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -0.025em; font-weight: 650; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--accent); color: var(--ink); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.mono { font-family: var(--mono); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background-color .35s, border-color .35s, backdrop-filter .35s;
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom-color: var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; }
.mark { flex: none; transition: transform .5s cubic-bezier(.2,.8,.2,1); }
.brand:hover .mark { transform: rotate(-12deg); }
.brand-name { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }

.nav-links { display: flex; gap: 2px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: color-mix(in srgb, var(--panel) 50%, transparent); }
.nav-links a { padding: 6px 16px; border-radius: 999px; font-size: 13.5px; color: var(--text-2); transition: color .2s, background-color .2s; }
.nav-links a:hover { color: var(--text); background: var(--panel-2); }

.nav-actions { display: flex; gap: 6px; }
.icon-btn {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid var(--line); color: var(--text-2);
  font-family: var(--mono); font-size: 12.5px; font-weight: 600;
  transition: color .2s, border-color .2s, background-color .2s;
}
.icon-btn:hover { color: var(--text); border-color: var(--line-2); background: var(--panel-2); }
:root[data-theme="dark"] .i-moon, :root[data-theme="light"] .i-sun { display: none; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  height: 46px; padding: 0 22px; border-radius: 999px;
  font-size: 14.5px; font-weight: 550; white-space: nowrap;
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s, border-color .25s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  color: var(--bg);
  background: var(--text);
  box-shadow: 0 10px 30px -14px rgba(0, 0, 0, 0.6);
}
.btn-primary:hover { background: color-mix(in srgb, var(--text) 88%, var(--bg)); }
.btn-ghost { border: 1px solid var(--line-2); background: color-mix(in srgb, var(--panel) 60%, transparent); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--text-3); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  padding: 110px 0 90px;
}
.hero-net { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-glow {
  position: absolute; pointer-events: none;
  top: -30%; left: 50%; width: 1300px; height: 900px; transform: translateX(-50%);
  background:
    radial-gradient(closest-side at 30% 45%, color-mix(in srgb, var(--accent) 13%, transparent), transparent),
    radial-gradient(closest-side at 72% 40%, color-mix(in srgb, var(--text) 5%, transparent), transparent);
  filter: blur(30px);
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 180px; pointer-events: none;
  background: linear-gradient(transparent, var(--bg));
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 64px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 16px 6px 12px; border-radius: 999px;
  border: 1px solid var(--line-2); background: color-mix(in srgb, var(--panel) 55%, transparent);
  backdrop-filter: blur(8px);
  font-family: var(--mono); font-size: 12.5px; color: var(--text-2);
}
.eyebrow .sep { color: var(--text-3); }
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 60%, transparent); animation: ring 2.4s ease-out infinite; }
@keyframes ring { 70%, 100% { box-shadow: 0 0 0 8px transparent; } }

.hero-title {
  margin-top: 28px;
  font-size: clamp(44px, 6.4vw, 84px); font-weight: 680; line-height: 1.04; letter-spacing: -0.045em;
  background: linear-gradient(180deg, var(--text) 35%, color-mix(in srgb, var(--text) 62%, transparent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
:root[data-lang="zh"] .hero-title { letter-spacing: -0.02em; line-height: 1.16; font-size: clamp(40px, 5.6vw, 74px); }
.hero-title em, .contact h2 em {
  font-style: normal;
  background: linear-gradient(100deg, color-mix(in srgb, var(--accent) 75%, var(--text)) 0%, color-mix(in srgb, var(--accent) 35%, var(--text)) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { margin-top: 26px; max-width: 540px; font-size: 18px; line-height: 1.75; color: var(--text-2); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }

/* 终端 */
.terminal {
  position: relative; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.terminal-bar span { width: 11px; height: 11px; border-radius: 50%; background: var(--line-2); }
.terminal-bar p { margin: 0 auto; padding-right: 40px; font-family: var(--mono); font-size: 12px; color: var(--text-3); }
.terminal-body {
  margin: 0; padding: 20px 22px 26px; min-height: 340px;
  font-family: var(--mono); font-size: 13px; line-height: 1.9;
  color: var(--text-2); white-space: pre-wrap; word-break: break-word;
}
.terminal-body .p { color: var(--accent); }
.terminal-body .c { color: var(--text); }
.terminal-body .ok { color: var(--ok); }
.terminal-body .warn { color: var(--warn); }
.terminal-body .dim { color: var(--text-3); }
.terminal-body .t { color: var(--accent-2); }
.caret { display: inline-block; width: 8px; height: 1.05em; vertical-align: -2px; background: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.scroll-hint {
  position: absolute; z-index: 2; left: 50%; bottom: 32px; transform: translateX(-50%);
  width: 22px; height: 36px; border: 1.5px solid var(--line-2); border-radius: 12px;
}
.scroll-hint span { position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--text-2); animation: scrolly 2s ease-in-out infinite; }
@keyframes scrolly { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- 跑马灯 ---------- */
.marquee {
  position: relative; overflow: hidden; padding: 22px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.marquee-track span { display: flex; align-items: center; gap: 44px; padding-right: 44px; font-family: var(--mono); font-size: 13px; color: var(--text-3); white-space: nowrap; }
.marquee-track span::after { content: ""; width: 3px; height: 3px; border-radius: 50%; background: var(--text-3); opacity: .7; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Section ---------- */
.section { padding: 150px 0 0; }
.section-head { margin-bottom: 96px; }
.label {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 12.5px; color: var(--text-3); letter-spacing: .06em; text-transform: uppercase;
}
.section h2 { margin-top: 18px; font-size: clamp(34px, 4.6vw, 56px); letter-spacing: -0.035em; }
:root[data-lang="zh"] .section h2 { letter-spacing: -0.01em; }

/* ---------- 作品 Feature ---------- */
.feature {
  display: grid; grid-template-columns: 5fr 7fr; gap: 72px; align-items: center;
  margin-bottom: 150px;
}
.feature:nth-of-type(even) { grid-template-columns: 7fr 5fr; }
.feature:nth-of-type(even) .feature-info { order: 2; }
.feature-meta { display: flex; align-items: center; gap: 14px; }
.num { font-family: var(--mono); font-size: 13px; color: var(--text-3); }
.chip { padding: 4px 12px; border-radius: 999px; border: 1px solid var(--line-2); font-size: 12.5px; color: var(--text-2); }
.feature h3 { margin-top: 22px; font-size: clamp(30px, 3.2vw, 40px); letter-spacing: -0.035em; }
:root[data-lang="zh"] .feature h3 { letter-spacing: -0.015em; }
.feature-tagline { margin-top: 14px; font-size: 17px; color: var(--text-2); }
.feature-points { margin-top: 26px; display: flex; flex-direction: column; gap: 12px; }
.feature-points li { position: relative; padding-left: 22px; font-size: 15px; color: var(--text-2); line-height: 1.6; }
.feature-points li::before { content: ""; position: absolute; left: 0; top: .78em; width: 10px; height: 1px; background: var(--text-3); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 26px; }
.tags span { padding: 3px 10px; border-radius: 7px; background: var(--panel-2); border: 1px solid var(--line); font-family: var(--mono); font-size: 11.5px; color: var(--text-2); }
.feature-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 30px; font-size: 14.5px; font-weight: 550; color: var(--text); }
.feature-link i { font-style: normal; color: var(--text-3); transition: transform .25s, color .25s; }
.feature-link:hover i { color: var(--accent); }
.feature-link:hover i { transform: translateX(4px); }

/* ---------- 可视化面板 ---------- */
.viz {
  position: relative; border-radius: 20px; overflow: hidden;
  border: 1px solid var(--line-2);
  background: var(--panel);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.viz::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 260px at 15% 0%, color-mix(in srgb, var(--text) 3%, transparent), transparent 70%);
}
.viz-bar { position: relative; display: flex; align-items: center; gap: 12px; padding: 13px 18px; border-bottom: 1px solid var(--line); }
.viz-dots { display: flex; gap: 6px; }
.viz-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); }
.viz-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 12px; color: var(--text-3); }
.viz-tag, .ops-status {
  display: inline-flex; align-items: center; gap: 7px; padding: 3px 10px; border-radius: 999px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: var(--ok);
  background: color-mix(in srgb, var(--ok) 12%, transparent);
}
.viz-tag b, .ops-status b { width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: blink 1.6s steps(1) infinite; }
.ops-status em { font-style: normal; }
.viz-body { position: relative; padding: 22px; }
.viz-note { margin-top: 12px; text-align: right; font-family: var(--mono); font-size: 10.5px; color: var(--text-3); letter-spacing: .04em; }

/* DeepBMS */
.db-inputs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.db-file {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 11px;
  border: 1px solid var(--line); background: var(--panel-2);
  transition: border-color .35s, background-color .35s, box-shadow .35s;
}
.db-file i { flex: none; padding: 2px 6px; border-radius: 5px; font-style: normal; font-family: var(--mono); font-size: 9.5px; font-weight: 700; color: var(--text-3); background: var(--line); transition: color .35s, background-color .35s; }
.db-file span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 11.5px; color: var(--text-2); }
.db-file.is-on { border-color: var(--line-2); background: color-mix(in srgb, var(--text) 6%, var(--panel-2)); }
.db-file.is-on i { color: var(--bg); background: var(--text); }
.db-link { position: relative; height: 26px; margin: 0 auto; width: 2px; overflow: hidden; background: var(--line); }
.db-link::after { content: ""; position: absolute; left: 0; top: -14px; width: 2px; height: 14px; background: linear-gradient(transparent, var(--accent)); animation: drop 1.2s linear infinite; }
@keyframes drop { to { transform: translateY(40px); } }

.db-stages { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); }
.db-track { position: absolute; top: 8px; left: 12.5%; right: 12.5%; height: 2px; background: var(--line); border-radius: 2px; }
.db-fill { height: 100%; width: 0; border-radius: inherit; background: var(--accent); transition: width .6s cubic-bezier(.4,0,.2,1); }
.db-stage { position: relative; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.db-stage b { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line-2); background: var(--panel); transition: all .35s; }
.db-stage span { font-family: var(--mono); font-size: 11px; color: var(--text-3); transition: color .35s; }
.db-stage.is-active b { border-color: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); animation: breathe 1.2s ease-in-out infinite; }
.db-stage.is-done b { border-color: var(--accent); background: var(--accent); }
.db-stage.is-active span, .db-stage.is-done span { color: var(--text); }
@keyframes breathe { 50% { box-shadow: 0 0 0 9px transparent; } }

.db-code {
  margin: 20px 0 0; height: 214px; overflow: hidden;
  padding: 14px 16px; border-radius: 12px;
  background: var(--code-bg); border: 1px solid var(--line);
  font-family: var(--mono); font-size: 12px; line-height: 1.75; color: var(--text-2); white-space: pre;
}
.db-code .c { color: var(--text-3); font-style: italic; }
.db-code .m { color: var(--accent-2); }
.db-code .k { color: var(--accent); }
.db-code .n { color: var(--accent-3); }
.db-code .s { color: var(--ok); }
.db-code .f { color: var(--text); }
.db-result { display: flex; justify-content: space-between; margin-top: 12px; font-family: var(--mono); font-size: 12px; color: var(--ok); opacity: 0; transform: translateY(4px); transition: opacity .4s, transform .4s; }
.db-result.is-on { opacity: 1; transform: none; }
.db-time { color: var(--text-3); }

/* 运维 Agent */
.ops-status.is-alarm { color: var(--danger); background: color-mix(in srgb, var(--danger) 14%, transparent); }
.ops-status.is-iso { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.ops-body { display: grid; grid-template-columns: 1.3fr 1fr; gap: 22px; }
.ops-rack { display: flex; flex-direction: column; gap: 9px; }
.ops-mod { display: grid; grid-template-columns: 24px 1fr; gap: 8px; align-items: center; }
.ops-mod > span { font-family: var(--mono); font-size: 10px; color: var(--text-3); }
.ops-cells { display: grid; grid-template-columns: repeat(16, 1fr); gap: 3px; }
.ops-cells i { display: block; height: 22px; border-radius: 3px; background: var(--cell); transition: background-color .5s, box-shadow .5s; }
.ops-cells i.warn { background: var(--warn) !important; }
.ops-cells i.fault { background: var(--danger) !important; box-shadow: 0 0 12px color-mix(in srgb, var(--danger) 70%, transparent); animation: blink .8s steps(1) infinite; }
.ops-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 16px; }
.ops-metrics div { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel-2); }
.ops-metrics span { display: block; font-family: var(--mono); font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; }
.ops-metrics b { display: block; margin-top: 2px; white-space: nowrap; font-size: 17px; font-weight: 620; font-variant-numeric: tabular-nums; transition: color .3s; }
.ops-metrics b.is-bad { color: var(--danger); }

.ops-flow { position: relative; display: flex; flex-direction: column; gap: 16px; padding-top: 2px; }
.ops-flow::before { content: ""; position: absolute; left: 6px; top: 10px; bottom: 10px; width: 1.5px; background: var(--line-2); }
.ops-flow li { position: relative; display: grid; grid-template-columns: 14px 1fr auto; gap: 12px; align-items: center; font-size: 13.5px; color: var(--text-3); transition: color .35s; }
.ops-flow li i { width: 13px; height: 13px; border-radius: 50%; border: 2px solid var(--line-2); background: var(--panel); transition: all .35s; }
.ops-flow time { font-family: var(--mono); font-size: 11px; color: var(--text-3); }
.ops-flow li.is-on { color: var(--text); }
.ops-flow li.is-on i { border-color: var(--accent); background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.ops-flow li.is-on:first-child i { border-color: var(--danger); background: var(--danger); box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 18%, transparent); }
.ops-ticket {
  margin-top: 20px; padding: 12px 14px; border-radius: 12px;
  border: 1px dashed var(--line-2); font-size: 12.5px; color: var(--text-3); line-height: 1.6;
  opacity: .45; transition: all .45s;
}
.ops-ticket b { display: block; font-family: var(--mono); font-size: 12px; color: var(--text-2); }
.ops-ticket.is-on { opacity: 1; border-style: solid; border-color: color-mix(in srgb, var(--accent) 55%, transparent); background: var(--accent-soft); color: var(--text-2); }
.ops-ticket.is-on b { color: var(--accent); }
.ops-spark { display: block; width: 100%; height: 70px; margin-top: 20px; }

/* SOP-IGS */
.sop-body { display: grid; grid-template-columns: 158px 1fr; gap: 20px; }
.sop-chapters { display: flex; flex-direction: column; gap: 4px; }
.sop-chapters li { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 9px; font-size: 13px; color: var(--text-3); transition: all .3s; }
.sop-chapters i { position: relative; flex: none; width: 16px; height: 16px; border-radius: 5px; border: 1.5px solid var(--line-2); transition: all .3s; }
.sop-chapters i::after { content: ""; position: absolute; left: 4.5px; top: 1.5px; width: 4px; height: 8px; border: solid var(--ink); border-width: 0 2px 2px 0; transform: rotate(45deg) scale(0); transition: transform .3s; }
.sop-chapters li.is-active { color: var(--text); background: var(--panel-2); }
.sop-chapters li.is-active i { border-color: var(--accent); }
.sop-chapters li.is-done { color: var(--text-2); }
.sop-chapters li.is-done i { border-color: var(--accent); background: var(--accent); }
.sop-chapters li.is-done i::after { transform: rotate(45deg) scale(1); }

.sop-page {
  position: relative; padding: 18px 18px 16px; border-radius: 8px;
  background: var(--paper); color: var(--paper-ink);
  box-shadow: 0 24px 50px -20px rgba(0,0,0,.6), 0 0 0 1px rgba(0,0,0,.04);
}
.sop-h { display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; font-size: 13.5px; font-weight: 650; }
.sop-num { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.sk { height: 6px; border-radius: 3px; background: var(--paper-sk); margin-top: 6px; }
.sk.w90 { width: 90%; } .sk.w80 { width: 80%; } .sk.w70 { width: 70%; } .sk.w50 { width: 50%; }
.sop-slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 14px 0 6px; }
.sop-slot { position: relative; aspect-ratio: 4 / 3; border-radius: 6px; border: 1.5px dashed var(--paper-sk); overflow: hidden; }
.sop-photo {
  position: absolute; inset: 0; border-radius: 5px;
  background: linear-gradient(140deg, hsl(var(--h, 245) 70% 70%), hsl(calc(var(--h, 245) + 45) 55% 42%));
  opacity: 0; transform: translate(-16px, 12px) scale(.82) rotate(-4deg);
  transition: opacity .45s, transform .55s cubic-bezier(.2,.9,.25,1.15);
}
.sop-photo::before {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 55%;
  background: linear-gradient(160deg, transparent 40%, rgba(0,0,0,.22) 41%), linear-gradient(200deg, transparent 50%, rgba(255,255,255,.18) 51%);
}
.sop-photo::after { content: ""; position: absolute; right: 18%; top: 18%; width: 16%; aspect-ratio: 1; border-radius: 50%; background: rgba(255,255,255,.75); }
.sop-photo.is-in { opacity: 1; transform: none; }
.sop-progress { margin-top: 20px; }
.sop-stage { display: flex; justify-content: space-between; gap: 12px; font-family: var(--mono); font-size: 11.5px; color: var(--text-2); }
.sop-stage-text { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sop-stage-text.is-ok { color: var(--ok); }
.sop-pct { color: var(--text-3); font-variant-numeric: tabular-nums; }
.sop-bar { height: 4px; margin-top: 10px; border-radius: 4px; background: var(--line); overflow: hidden; }
.sop-bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--accent); transition: width .5s cubic-bezier(.4,0,.2,1); }

/* StockAgent */
.stk-body { display: grid; grid-template-columns: 1fr 168px; gap: 22px; }
.stk-chart { display: block; width: 100%; height: 270px; }
.stk-label { font-family: var(--mono); font-size: 10.5px; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; }
.stk-row { display: grid; grid-template-columns: 1fr auto; row-gap: 6px; margin-top: 16px; font-size: 12.5px; color: var(--text-2); }
.stk-row em { font-style: normal; font-family: var(--mono); font-size: 12px; color: var(--text); font-variant-numeric: tabular-nums; }
.stk-bar { grid-column: 1 / -1; height: 4px; border-radius: 4px; background: var(--line); overflow: hidden; }
.stk-bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--accent); transition: width 1.1s cubic-bezier(.4,0,.2,1); }
.stk-signal { margin-top: 22px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line-2); background: var(--panel-2); font-size: 11.5px; color: var(--text-3); }
.stk-word { display: block; margin-top: 2px; font-size: 20px; font-weight: 650; color: var(--text); transition: color .4s; }

/* 更多项目 */
.more { margin-top: 20px; }
.more-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.mini {
  position: relative; display: flex; flex-direction: column; padding: 26px; border-radius: 18px;
  border: 1px solid var(--line); background: var(--panel);
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.mini:hover { border-color: var(--text-3); transform: translateY(-3px); box-shadow: var(--shadow); }
.mini h4 { font-size: 18px; padding-right: 28px; }
.mini p { margin-top: 10px; font-size: 14px; color: var(--text-2); line-height: 1.65; }
.mini .tags { margin-top: auto; padding-top: 20px; }
.mini-arrow { position: absolute; top: 22px; right: 22px; font-style: normal; color: var(--text-3); transition: color .25s, transform .25s; }
.mini:hover .mini-arrow { color: var(--accent); transform: translate(2px, -2px); }

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-text { margin-top: 28px; font-size: 17px; color: var(--text-2); line-height: 1.85; }
.about-text strong { color: var(--text); font-weight: 600; }
.caps { display: flex; flex-direction: column; padding-top: 8px; }
.cap { display: flex; gap: 18px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.cap:first-child { border-top: 1px solid var(--line); }
.cap-i { flex: none; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; color: var(--text-2); background: var(--panel-2); border: 1px solid var(--line-2); }
.cap-n { font-family: var(--mono); font-size: 13px; font-weight: 600; letter-spacing: .02em; }
.cap h3 { font-size: 18px; letter-spacing: -0.01em; }
.cap p { margin-top: 6px; font-size: 14.5px; color: var(--text-2); line-height: 1.7; }

/* ---------- 联系 ---------- */
.contact-section { padding-bottom: 40px; }
.contact {
  position: relative; overflow: hidden; text-align: center;
  padding: 96px 32px; border-radius: 28px;
  border: 1px solid var(--line-2);
  background:
    radial-gradient(700px 320px at 50% 0%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 70%),
    var(--panel);
}
.contact .label { justify-content: center; }
.contact h2 { line-height: 1.15; }
.contact-sub { margin: 20px auto 0; max-width: 520px; font-size: 17px; color: var(--text-2); }
.contact-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 38px; }

/* ---------- 页脚 ---------- */
.footer { margin-top: 80px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; padding-top: 28px; padding-bottom: 36px; font-size: 13px; color: var(--text-3); }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track, .pulse, .caret, .scroll-hint span, .db-link::after, .viz-tag b, .ops-status b { animation: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1040px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { max-width: 600px; }
  .scroll-hint { display: none; }
  .feature, .feature:nth-of-type(even) { grid-template-columns: 1fr; gap: 44px; margin-bottom: 120px; }
  .feature:nth-of-type(even) .feature-info { order: 0; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .more-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .container { padding: 0 16px; }
  .brand-name { display: none; }
  .nav-links a { padding: 6px 12px; }
  .hero { padding: 96px 0 64px; }
  .hero-sub { font-size: 16px; }
  .terminal-body { font-size: 11.5px; padding: 16px; min-height: 300px; }
  .section { padding-top: 110px; }
  .section-head { margin-bottom: 64px; }
  .viz-body { padding: 16px; }
  .db-inputs { grid-template-columns: 1fr; gap: 6px; }
  .db-code { font-size: 10.5px; height: 190px; padding: 12px; }
  .ops-body, .sop-body, .stk-body { grid-template-columns: 1fr; }
  .ops-cells i { height: 16px; }
  .sop-chapters { flex-direction: row; overflow-x: auto; scrollbar-width: none; }
  .sop-chapters::-webkit-scrollbar { display: none; }
  .sop-chapters li { flex: none; }
  .stk-chart { height: 220px; }
  .stk-side { display: grid; grid-template-columns: 1fr 1fr; column-gap: 16px; }
  .stk-label, .stk-signal { grid-column: 1 / -1; }
  .more-grid { grid-template-columns: 1fr; }
  .contact { padding: 64px 20px; }
}