/* ============================================================
   TradingView — helix · 旗舰产品展示风
   同一紫色光影主题、同一 TradingView 品牌，但表达形式不同于
   aurora（状态栏+表格）与 vertex（仪表盘 bento）：
   悬浮的图表工作台窗口（蜡烛图+均线+成交量+自选）+ 能力卡 + 指标条。
   零框架、零外部依赖、自包含。
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

:root {
  --bg-0: #09050f;
  --bg-1: #0e0a1c;
  --panel: rgba(18, 12, 36, 0.6);
  --panel-2: rgba(28, 19, 52, 0.7);
  --line: rgba(176, 140, 255, 0.13);
  --line-2: rgba(176, 140, 255, 0.24);
  --text-0: #f5f2ff;
  --text-1: #c4baea;
  --text-2: #8e83ba;
  --text-3: #665c8e;
  --violet: #8b5cf6;
  --violet-l: #b69cff;
  --fuchsia: #e463f5;
  --up: #34d399;
  --down: #fb7185;
  --amber: #fbbf6b;
  --grad: linear-gradient(100deg, #b69cff 0%, #e463f5 55%, #8b5cf6 100%);
  --grad-soft: linear-gradient(150deg, rgba(139, 92, 246, 0.16), rgba(228, 99, 245, 0.07));
  --glow: 0 40px 120px -50px rgba(140, 60, 220, 0.8);
  --glow-sm: 0 20px 60px -34px rgba(140, 60, 220, 0.6);
  --r: 10px;
  --r-lg: 16px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Roboto, Arial, sans-serif;
}

body {
  margin: 0; font-family: var(--sans); font-size: 16px; line-height: 1.65;
  color: var(--text-0); background: var(--bg-0);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}

/* ---------- 背景：紫色极光 + 扫描线 + 光球 ---------- */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background:
    radial-gradient(125% 85% at 50% -22%, rgba(139, 92, 246, 0.32), transparent 58%),
    radial-gradient(52% 42% at 86% 4%, rgba(228, 99, 245, 0.16), transparent 60%),
    radial-gradient(62% 52% at 8% 24%, rgba(124, 140, 248, 0.14), transparent 60%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1));
}
.bg::after { content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(176,140,255,0.035) 0 1px, transparent 1px 3px);
  mask-image: radial-gradient(ellipse 100% 60% at 50% 0%, black 5%, transparent 74%);
  -webkit-mask-image: radial-gradient(ellipse 100% 60% at 50% 0%, black 5%, transparent 74%);
  opacity: 0.6;
}
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.48; will-change: transform; }
.orb--a { width: 520px; height: 520px; left: -10%; top: 8%; background: radial-gradient(circle, rgba(139,92,246,0.4), transparent 66%); animation: drift-a 34s ease-in-out infinite alternate; }
.orb--b { width: 440px; height: 440px; right: -8%; top: 48%; background: radial-gradient(circle, rgba(228,99,245,0.3), transparent 66%); animation: drift-b 40s ease-in-out infinite alternate; }
@keyframes drift-a { from { transform: translate(0,0); } to { transform: translate(76px,-58px); } }
@keyframes drift-b { from { transform: translate(0,0); } to { transform: translate(-96px,48px); } }

/* ---------- 通用 ---------- */
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding-top: 5rem; padding-bottom: 5rem; }
.g { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--violet); color: #fff; padding: 0.5rem 1rem; border-radius: var(--r); z-index: 1000; }
.skip:focus { left: 1rem; top: 1rem; }

.sec-head { max-width: 640px; margin: 0 0 2.4rem; }
.sec-head__k { font-family: var(--mono); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--violet-l); margin: 0 0 0.9rem; }
.sec-head__k::before { content: "// "; color: var(--fuchsia); }
.sec-head h2 { margin: 0; font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.14; }
.sec-head p { margin: 0.8rem 0 0; color: var(--text-1); }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.8rem 1.4rem; font-size: 0.92rem; font-weight: 700; text-decoration: none; border-radius: 8px; border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: transform 0.16s, box-shadow 0.22s, border-color 0.22s, background 0.22s; }
.btn svg { width: 17px; height: 17px; }
.btn--sm { padding: 0.45rem 1rem; font-size: 0.83rem; }
.btn--primary { color: #fff; background: var(--grad); box-shadow: 0 12px 32px -12px rgba(190,90,240,0.65); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 44px -14px rgba(210,100,245,0.75); }
.btn--ghost { color: var(--text-0); background: rgba(176,140,255,0.06); border-color: var(--line-2); }
.btn--ghost:hover { border-color: var(--violet); background: rgba(176,140,255,0.12); transform: translateY(-2px); }

/* ---------- 顶部滚动进度 ---------- */
.progress { position: fixed; left: 0; top: 0; height: 2px; width: 0; z-index: 100; background: var(--grad); box-shadow: 0 0 10px rgba(228,99,245,0.65); }

/* ---------- 头部 ---------- */
.head { position: sticky; top: 0; z-index: 50; background: rgba(9,5,15,0.78);
  backdrop-filter: blur(14px) saturate(150%); -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--line); }
.head__in { display: flex; align-items: center; gap: 1.1rem; height: 3.8rem; }
.brand { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 800; font-size: 1rem; color: var(--text-0); text-decoration: none; }
.brand img { width: 26px; height: 26px; border-radius: 7px; }
.brand em { font-style: normal; font-family: var(--mono); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.18em; color: var(--violet-l); border: 1px solid var(--line-2); border-radius: 5px; padding: 0.08rem 0.4rem; }
.nav { display: none; margin: 0 auto; }
@media (min-width: 900px) {
  .nav { display: flex; gap: 0.1rem; }
  .nav a { font-family: var(--mono); font-size: 0.82rem; padding: 0.4rem 0.8rem; color: var(--text-1); text-decoration: none; border-radius: 7px; transition: color 0.18s, background 0.18s; }
  .nav a:hover { color: var(--text-0); background: rgba(176,140,255,0.1); }
}
.head__cta { margin-left: auto; display: inline-flex; align-items: center; gap: 0.6rem; }
.conn { display: none; font-family: var(--mono); font-size: 0.74rem; color: var(--text-2); align-items: center; gap: 0.4rem; }
@media (min-width: 600px) { .conn { display: inline-flex; } }
.conn b { font-weight: 600; color: var(--text-1); font-variant-numeric: tabular-nums; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--up); box-shadow: 0 0 8px rgba(52,211,153,0.9); animation: blink 1.6s infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ---------- HERO：标题 + 图表工作台 ---------- */
.hero { padding-top: 3.4rem; padding-bottom: 2rem; }
.hero__head { max-width: 760px; margin: 0 auto 2.6rem; text-align: center; }
.hero__k { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--violet-l); margin: 0 0 1.2rem; }
.hero h1 { margin: 0 0 1.2rem; font-size: clamp(2.1rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.08; letter-spacing: -0.035em; }
.hero__sub { margin: 0 auto 1.8rem; max-width: 38rem; color: var(--text-1); font-size: 1.06rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center; }
.hero__trust { margin: 1.6rem 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 1.3rem; font-family: var(--mono); font-size: 0.76rem; color: var(--text-2); }
.hero__trust span { display: inline-flex; align-items: center; gap: 0.4rem; }
.hero__trust b { color: var(--up); font-weight: 700; }

/* 图表工作台窗口 */
.ws { position: relative; max-width: 1000px; margin: 0 auto; border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden; background: rgba(10,6,20,0.92); box-shadow: var(--glow); }
.ws::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 120px; background: linear-gradient(180deg, rgba(176,140,255,0.08), transparent); pointer-events: none; }
.ws__bar { display: flex; align-items: center; gap: 0.7rem; padding: 0.6rem 0.9rem; border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.02); }
.ws__dots { display: inline-flex; gap: 0.4rem; flex-shrink: 0; }
.ws__dots i { width: 10px; height: 10px; border-radius: 50%; }
.ws__dots i:nth-child(1) { background: #ff5f57; } .ws__dots i:nth-child(2) { background: #febc2e; } .ws__dots i:nth-child(3) { background: #28c840; }
.ws__tabs { display: inline-flex; gap: 0.15rem; font-family: var(--mono); font-size: 0.72rem; overflow: hidden; }
.ws__tabs b { padding: 0.2rem 0.55rem; border-radius: 6px; color: var(--text-3); font-weight: 600; }
.ws__tabs b.on { color: var(--text-0); background: rgba(176,140,255,0.13); }
.ws__badge { margin-left: auto; font-family: var(--mono); font-size: 0.7rem; color: var(--text-3); white-space: nowrap; }
.ws__body { display: grid; grid-template-columns: 44px 1fr; }
@media (min-width: 760px) { .ws__body { grid-template-columns: 44px 1fr 190px; } }
.ws__rail { display: flex; flex-direction: column; gap: 0.1rem; padding: 0.5rem 0.25rem; border-right: 1px solid var(--line); }
.ws__rail .tool { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 7px; color: var(--text-3); transition: color 0.16s, background 0.16s; }
.ws__rail .tool svg { width: 17px; height: 17px; }
.ws__rail .tool:hover { color: var(--violet-l); background: rgba(176,140,255,0.1); }
.ws__main { padding: 0.8rem 0.95rem 1rem; min-width: 0; }
.ws__quote { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.4rem 0.85rem; margin-bottom: 0.5rem; }
.ws__quote .sym { font-size: 0.9rem; font-weight: 700; }
.ws__quote .sym em { font-style: normal; font-weight: 400; color: var(--text-3); }
.ws__quote .last { font-family: var(--mono); font-size: 1.3rem; font-weight: 700; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.ws__quote .chg { font-family: var(--mono); font-size: 0.82rem; font-weight: 600; color: var(--up); }
.ws__quote .chg.dn { color: var(--down); }
.ws__ohlc { display: flex; flex-wrap: wrap; gap: 0.7rem; font-family: var(--mono); font-size: 0.68rem; color: var(--text-3); }
.ws__ohlc b { color: var(--text-1); font-weight: 600; }
.ws__chart { width: 100%; }
.ws__svg { display: block; width: 100%; height: auto; }
.ws__svg text { font-family: var(--mono); font-size: 9px; }
.ws__svg .ws__tag { font-size: 9px; font-weight: 700; }
.ws__ln { stroke-dasharray: 1600; stroke-dashoffset: 1600; }
.ws.in .ws__ln { transition: stroke-dashoffset 1.7s cubic-bezier(0.4,0,0.2,1); stroke-dashoffset: 0; }
.ws__tf { margin-top: 0.6rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem; font-family: var(--mono); font-size: 0.68rem; }
.ws__tf span { padding: 0.14rem 0.5rem; border-radius: 5px; color: var(--text-3); }
.ws__tf span.on { color: var(--text-0); background: rgba(176,140,255,0.14); }
.ws__tf em { font-style: normal; margin-left: auto; color: var(--text-3); }
.ws__watch { display: none; border-left: 1px solid var(--line); padding: 0.6rem 0.55rem; }
@media (min-width: 760px) { .ws__watch { display: block; } }
.ws__watch h4 { margin: 0.1rem 0.35rem 0.5rem; font-family: var(--mono); font-size: 0.6rem; font-weight: 600; letter-spacing: 0.16em; color: var(--text-3); }
.wl { display: flex; align-items: center; justify-content: space-between; gap: 0.4rem; padding: 0.32rem 0.35rem; border-radius: 6px; }
.wl:hover { background: rgba(176,140,255,0.06); }
.wl .s { font-family: var(--mono); font-size: 0.72rem; font-weight: 600; color: var(--text-1); }
.wl .r { text-align: right; }
.wl .p { display: block; font-family: var(--mono); font-size: 0.72rem; color: var(--text-0); font-variant-numeric: tabular-nums; }
.wl .c { font-family: var(--mono); font-size: 0.62rem; color: var(--up); }
.wl .c.dn { color: var(--down); }
.ws__quote .last.flash, .wl .p.flash { animation: tickflash 0.55s ease; }
@keyframes tickflash { 0% { color: var(--violet-l); } 100% { color: var(--text-0); } }

/* ---------- 指标条 ---------- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
@media (min-width: 760px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: rgba(10,6,20,0.6); padding: 1.4rem 1.3rem; }
.stat b { display: block; font-family: var(--mono); font-size: 1.9rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { display: block; margin-top: 0.45rem; font-size: 0.82rem; color: var(--text-2); }

/* ---------- 能力卡 ---------- */
.features { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
@media (min-width: 620px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 940px) { .features { grid-template-columns: repeat(3, 1fr); } }
.feature { padding: 1.6rem 1.5rem; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--panel); transition: transform 0.22s, border-color 0.22s, box-shadow 0.26s; }
.feature:hover { transform: translateY(-3px); border-color: var(--line-2); box-shadow: var(--glow-sm); }
.feature__ico { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 11px; color: var(--violet-l); background: rgba(176,140,255,0.1); border: 1px solid var(--line-2); margin-bottom: 1rem; }
.feature__ico svg { width: 22px; height: 22px; }
.feature h3 { margin: 0 0 0.5rem; font-size: 1.1rem; font-weight: 800; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--text-1); font-size: 0.92rem; }

/* ---------- 平台部署（十六进制索引行） ---------- */
.deploy { border: 1px solid var(--line-2); border-radius: var(--r-lg); overflow: hidden; background: var(--panel); box-shadow: var(--glow-sm); }
.dep { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.3rem; text-decoration: none; color: var(--text-0); border-top: 1px solid var(--line); transition: background 0.18s; }
.dep:first-child { border-top: none; }
.dep:hover { background: rgba(176,140,255,0.06); }
.dep__ico { width: 34px; height: 34px; flex-shrink: 0; display: grid; place-items: center; border-radius: 9px; background: rgba(176,140,255,0.08); border: 1px solid var(--line); }
.dep__ico img { width: 20px; height: 20px; object-fit: contain; }
.dep__t { display: flex; flex-direction: column; min-width: 0; }
.dep__t b { font-size: 0.96rem; font-weight: 700; }
.dep__t small { font-family: var(--mono); font-size: 0.72rem; color: var(--text-3); }
.dep__go { margin-left: auto; font-family: var(--mono); color: var(--text-3); font-size: 0.8rem; transition: color 0.2s, transform 0.2s; }
.dep:hover .dep__go { color: var(--violet-l); transform: translateX(3px); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 0.7rem; max-width: 860px; }
.qa { border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); overflow: hidden; transition: border-color 0.22s; }
.qa[open] { border-color: var(--line-2); }
.qa summary { list-style: none; cursor: pointer; display: flex; align-items: baseline; gap: 0.8rem; padding: 1rem 1.2rem; font-weight: 700; color: var(--text-0); }
.qa summary::-webkit-details-marker { display: none; }
.qa summary i { font-style: normal; font-family: var(--mono); font-size: 0.74rem; color: var(--violet-l); flex-shrink: 0; }
.qa summary::after { content: "+"; margin-left: auto; font-size: 1.35rem; font-weight: 200; color: var(--violet-l); line-height: 1; transition: transform 0.22s; }
.qa[open] summary::after { transform: rotate(45deg); }
.qa p { margin: 0; padding: 0 1.2rem 1.1rem 3rem; color: var(--text-1); font-size: 0.93rem; }

/* ---------- CTA ---------- */
.cta { position: relative; overflow: hidden; border: 1px solid var(--line-2); border-radius: var(--r-lg); background: var(--grad-soft); padding: 3.4rem 2rem; text-align: center; box-shadow: var(--glow); }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 68% 130% at 50% 0%, rgba(228,99,245,0.22), transparent 62%); pointer-events: none; }
.cta__k { position: relative; margin: 0 0 0.8rem; font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.16em; color: var(--violet-l); }
.cta h2 { position: relative; margin: 0 auto 0.7rem; font-size: clamp(1.7rem, 3.6vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em; }
.cta p { position: relative; margin: 0 auto 1.8rem; max-width: 36rem; color: var(--text-1); }
.cta .hero__actions { position: relative; justify-content: center; }

/* ---------- 页脚 ---------- */
.foot { border-top: 1px solid var(--line); margin-top: 3rem; padding: 2.6rem 0 2.2rem; }
.foot__risk { margin: 0 0 1.6rem; padding: 0.9rem 1.1rem; font-size: 0.82rem; color: var(--text-1); background: rgba(228,99,245,0.05); border: 1px solid rgba(228,99,245,0.16); border-radius: var(--r); }
.foot__links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.5rem; margin-bottom: 1.2rem; }
.foot__links a { font-family: var(--mono); font-size: 0.78rem; color: var(--text-1); text-decoration: none; transition: color 0.16s; }
.foot__links a:hover { color: var(--violet-l); }
.foot__copy { margin: 0; font-family: var(--mono); font-size: 0.7rem; color: var(--text-3); }

/* ---------- 语言切换器 ---------- */
.lang { position: relative; }
.lang summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.42rem 0.7rem; font-size: 0.82rem; font-weight: 600; color: var(--text-0); border: 1px solid var(--line-2); border-radius: 8px; transition: background 0.18s, border-color 0.18s; white-space: nowrap; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary::after { content: ""; width: 6px; height: 6px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translate(-1px,-2px); opacity: 0.7; }
.lang summary:hover { background: rgba(176,140,255,0.1); border-color: var(--violet); }
.lang__menu { position: absolute; right: 0; top: calc(100% + 8px); min-width: 158px; list-style: none; margin: 0; padding: 0.35rem; background: rgba(12,8,22,0.98); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border: 1px solid var(--line-2); border-radius: var(--r); box-shadow: var(--glow-sm); z-index: 70; }
.lang__menu li { list-style: none; margin: 0; }
.lang__menu a { display: block; padding: 0.5rem 0.7rem; color: var(--text-1); text-decoration: none; font-size: 0.88rem; border-radius: 7px; }
.lang__menu a:hover { background: rgba(176,140,255,0.12); color: var(--text-0); }
.lang__menu a[aria-current="true"] { color: var(--violet-l); font-weight: 700; }
.nav a.is-active { color: var(--text-0); background: rgba(176,140,255,0.1); }

/* ---------- 博客首页 ---------- */
.blog-hero { padding: 3.4rem 0 2rem; max-width: 720px; }
.blog-hero h1 { margin: 0.8rem 0 1rem; font-size: clamp(1.9rem, 4.4vw, 3rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.12; }
.blog-hero__lead { margin: 0; color: var(--text-1); font-size: 1.02rem; }
.cat-filter { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.cat-filter button { font-family: var(--mono); font-size: 0.8rem; color: var(--text-1); background: var(--panel); border: 1px solid var(--line-2); border-radius: 7px; padding: 0.42rem 0.95rem; cursor: pointer; transition: color 0.18s, border-color 0.18s, background 0.18s; }
.cat-filter button:hover { color: var(--text-0); border-color: var(--violet); }
.cat-filter button.is-active { color: #fff; background: var(--grad); border-color: transparent; }
.post-grid { display: grid; gap: 1.1rem; grid-template-columns: 1fr; padding-bottom: 3.5rem; }
@media (min-width: 640px) { .post-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .post-grid { grid-template-columns: repeat(3, 1fr); } }
.pcard-post { display: flex; flex-direction: column; text-decoration: none; color: var(--text-0); background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; transition: transform 0.2s, border-color 0.2s, box-shadow 0.25s; }
.pcard-post:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: var(--glow-sm); }
.pcard-post.is-hidden { display: none; }
.pcard-post__thumb { aspect-ratio: 1200 / 630; background: #0c0820; border-bottom: 1px solid var(--line); }
.pcard-post__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pcard-post__body { display: flex; flex-direction: column; gap: 0.4rem; padding: 1.1rem 1.2rem 1.3rem; }
.pcard-post__cat { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em; color: var(--violet-l); }
.pcard-post__cat i { font-style: normal; color: var(--text-3); margin-right: 0.5em; }
.pcard-post__title { font-size: 1rem; font-weight: 700; line-height: 1.4; letter-spacing: -0.01em; }
.pcard-post__desc { font-size: 0.85rem; color: var(--text-1); line-height: 1.6; }
.pcard-post__meta { margin-top: 0.2rem; font-family: var(--mono); font-size: 0.7rem; color: var(--text-3); }

/* ---------- 文章页 ---------- */
.post-wrap { padding-top: 1.6rem; }
.crumbs { font-family: var(--mono); font-size: 0.78rem; color: var(--text-3); margin: 0.6rem 0 1.6rem; }
.crumbs a { color: var(--text-1); text-decoration: none; }
.crumbs a:hover { color: var(--violet-l); }
.crumbs span { color: var(--text-3); margin: 0 0.2rem; }
.post { max-width: 820px; margin: 0 auto 2rem; }
.post__cat { font-family: var(--mono); font-size: 0.72rem; color: var(--violet-l); margin: 0 0 0.7rem; }
.post__cat i { font-style: normal; color: var(--text-3); }
.post h1 { margin: 0 0 1.4rem; font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.16; }
.post__hero { margin: 0 0 1.9rem; border: 1px solid var(--line-2); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--glow-sm); }
.post__hero img { width: 100%; display: block; }
.post h2 { margin: 2.1rem 0 0.8rem; font-size: 1.3rem; font-weight: 800; letter-spacing: -0.01em; }
.post p { color: var(--text-1); margin: 0 0 1rem; }
.post a { color: var(--violet-l); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(182,156,255,0.4); }
.post a:hover { color: var(--fuchsia); text-decoration-color: currentColor; }
.post ul, .post ol { color: var(--text-1); margin: 0 0 1rem; padding-left: 1.3rem; display: grid; gap: 0.4rem; }
.post strong { color: var(--text-0); }
.post code { font-family: var(--mono); font-size: 0.85em; color: var(--violet-l); background: rgba(176,140,255,0.1); padding: 0.05em 0.4em; border-radius: 5px; }
.post pre { margin: 0 0 1.2rem; padding: 1rem 1.2rem; overflow-x: auto; font-family: var(--mono); font-size: 0.82rem; line-height: 1.7; color: var(--text-1); background: rgba(7,4,13,0.75); border: 1px solid var(--line); border-radius: var(--r); }
.post pre code { background: none; padding: 0; color: inherit; }
.post table { width: 100%; border-collapse: collapse; margin: 0 0 1.2rem; font-size: 0.9rem; }
.post th, .post td { padding: 0.55rem 0.8rem; border: 1px solid var(--line); color: var(--text-1); text-align: left; }
.post th { color: var(--text-0); background: rgba(176,140,255,0.06); font-family: var(--mono); font-size: 0.78rem; }
.post .tip { margin: 1.5rem 0 0; padding: 0.95rem 1.1rem; border-left: 2px solid var(--fuchsia); background: rgba(176,140,255,0.05); border-radius: 0 var(--r) var(--r) 0; color: var(--text-1); font-size: 0.92rem; }
.post .tip b { color: var(--text-0); }
.post-cta { position: relative; overflow: hidden; display: grid; gap: 1rem; margin: 2.4rem 0 0; padding: 1.6rem; border: 1px solid var(--line-2); border-radius: var(--r-lg); background: var(--grad-soft); }
@media (min-width: 640px) { .post-cta { grid-template-columns: 1fr auto; align-items: center; } }
.post-cta b { display: block; font-size: 1.1rem; margin-bottom: 0.3rem; }
.post-cta p { margin: 0; color: var(--text-1); font-size: 0.9rem; }
.related { max-width: 820px; margin: 0 auto; padding: 0 0 4rem; }
.related h2 { font-size: 1.05rem; margin: 0 0 1rem; font-family: var(--mono); letter-spacing: 0.06em; color: var(--text-2); }
.related__grid { display: grid; gap: 0.8rem; }
@media (min-width: 700px) { .related__grid { grid-template-columns: repeat(3, 1fr); } }
.related__grid a { display: block; padding: 1rem 1.1rem; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); color: var(--text-0); text-decoration: none; font-size: 0.9rem; font-weight: 600; line-height: 1.45; transition: border-color 0.2s, background 0.2s; }
.related__grid a:hover { border-color: var(--violet); background: var(--panel-2); }
.related__grid a i { display: block; font-style: normal; font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.12em; color: var(--text-3); margin-bottom: 0.35rem; }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .ws__ln { stroke-dashoffset: 0; }
}