/* 生成模型：claude-opus-5.5 · 2026-11-02 · Rollica-赵锡盛 · 网页版简历样式 */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .45s; }

:root {
  --bg: #f4f2ed; --paper: #fbfaf7; --ink: #121a2b; --ink2: #2d3445; --mute: #6b7180; --line: rgba(18, 26, 43, .09);
  --acc: #2350d8; --acc2: #8aa4f2; --accs: #e7ecfb; --sage: #a9c2ae; --sage-ink: #54705b; --warm: #f0dcc4;
  --serif: "Didot", "Bodoni 72", "Bodoni MT", "Playfair Display", Georgia, "Songti SC", serif;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(.2, .7, .1, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body { font-family: var(--sans); background: var(--bg); color: var(--ink2); font-size: 16px; line-height: 1.8;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; text-autospace: normal; overflow-x: hidden; }
body::after { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: .045;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }
a { color: inherit; text-decoration: none; }
strong { color: var(--ink); font-weight: 600; }
::selection { background: var(--acc); color: #fff; }
.wrap { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }
.lk { text-decoration: underline; text-decoration-color: rgba(35, 80, 216, .45); text-underline-offset: 4px; text-decoration-thickness: 1px; transition: text-decoration-color .3s; }
.lk:hover { text-decoration-color: var(--acc); }
.arr { display: inline-block; margin: 0 .4em; color: var(--acc); font-family: var(--serif); }

/* 导航 */
.prog { position: fixed; top: 0; left: 0; width: 100%; height: 2px; z-index: 60; transform-origin: 0 50%; transform: scaleX(var(--p, 0));
  background: linear-gradient(90deg, var(--acc), var(--acc2)); }
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; height: 64px; display: flex; align-items: center;
  border-bottom: 1px solid transparent; transition: background .45s, border-color .45s; }
.nav.on { background: rgba(244, 242, 237, .74); -webkit-backdrop-filter: blur(16px) saturate(1.4); backdrop-filter: blur(16px) saturate(1.4); border-bottom-color: var(--line); }
.nav .wrap { display: flex; justify-content: space-between; align-items: center; }
.brand { font-weight: 600; color: var(--ink); letter-spacing: .08em; font-size: 15px; }
.brand em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--mute); margin-left: .6em; letter-spacing: 0; }
.nav-links { display: flex; gap: 30px; font-size: 14px; color: var(--mute); }
.nav-links a { position: relative; transition: color .3s; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: right; transition: transform .5s var(--ease); }
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

/* 首屏 */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; padding: 120px 0 110px; }
.orbs i { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .6; will-change: transform; }
.orbs .o1 { width: 48vw; height: 48vw; left: -14vw; top: -16vw; background: radial-gradient(circle, #c6d3fb, transparent 66%); animation: d1 22s ease-in-out infinite alternate; }
.orbs .o2 { width: 40vw; height: 40vw; right: -12vw; top: 8vh; background: radial-gradient(circle, #d3e3d6, transparent 66%); animation: d2 27s ease-in-out infinite alternate; }
.orbs .o3 { width: 32vw; height: 32vw; left: 32vw; bottom: -16vw; background: radial-gradient(circle, #f1dcc3, transparent 66%); animation: d3 31s ease-in-out infinite alternate; }
@keyframes d1 { to { transform: translate(9vw, 7vh) scale(1.08); } }
@keyframes d2 { to { transform: translate(-7vw, 9vh) scale(.94); } }
@keyframes d3 { to { transform: translate(-10vw, -6vh) scale(1.1); } }
.glow { position: absolute; left: 0; top: 0; width: 560px; height: 560px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(35, 80, 216, .11), transparent 62%);
  transform: translate(var(--gx, -999px), var(--gy, -999px)) translate(-50%, -50%); transition: transform .3s ease-out; }
.hero-in { position: relative; }
.kicker { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.kicker span { font-size: 12px; letter-spacing: .18em; color: var(--mute); padding: 5px 14px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .4); }
.name { font-size: clamp(76px, 12.5vw, 184px); line-height: .98; font-weight: 600; color: var(--ink); letter-spacing: -.01em; display: flex; }
.name .ch { display: inline-block; opacity: 0; transform: translateY(.38em) rotate(5deg); filter: blur(14px);
  animation: rise 1.15s var(--ease) forwards; animation-delay: calc(.13s * var(--i) + .15s); }
@keyframes rise { to { opacity: 1; transform: none; filter: none; } }
.en { font-family: var(--serif); font-style: italic; font-size: clamp(22px, 2.6vw, 34px); color: var(--mute); margin: 16px 0 34px; }
.role { font-size: clamp(15px, 1.35vw, 18px); color: var(--ink2); max-width: 820px; }
.role strong { color: var(--acc); }
.rot { margin-top: 30px; display: flex; gap: 18px; align-items: baseline; font-size: clamp(20px, 2.3vw, 31px); font-weight: 500; color: var(--ink); min-height: 1.7em; }
.rot-k { flex: none; width: 44px; height: 1px; background: var(--acc); transform: translateY(-.32em); }
.rot-t { display: inline-block; transition: opacity .6s var(--ease), transform .6s var(--ease), filter .6s var(--ease); }
.rot-t.out { opacity: 0; transform: translateY(-14px); filter: blur(8px); }
.rot-t.pre { opacity: 0; transform: translateY(14px); filter: blur(8px); transition: none; }
.links { margin-top: 46px; display: flex; flex-wrap: wrap; gap: 12px; }
.links a, .links span { font-size: 14px; padding: 10px 20px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .55);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); transition: background .45s var(--ease), color .45s, border-color .45s; }
.links a:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.cue { position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); font-size: 11px; letter-spacing: .3em; color: var(--mute);
  display: flex; flex-direction: column; align-items: center; gap: 10px; }
.cue span { width: 1px; height: 46px; background: linear-gradient(var(--ink), transparent); transform-origin: top; animation: cue 2.4s ease-in-out infinite; }
@keyframes cue { 0% { transform: scaleY(0); opacity: 1; } 55% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }

/* 出场动画（无 JS 时直接显示） */
.js [data-r] { opacity: 0; transform: translateY(28px); filter: blur(6px);
  transition: opacity 1s var(--ease), transform 1s var(--ease), filter 1s var(--ease); transition-delay: calc(var(--i, 0) * 90ms); }
.js [data-r].in { opacity: 1; transform: none; filter: none; }

/* 区块 */
.sec { position: relative; padding: clamp(90px, 12vw, 160px) 0; }
.sec-h { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; margin-bottom: clamp(40px, 6vw, 72px); }
.sec-h .no { font-family: var(--serif); font-style: italic; font-size: 20px; color: var(--acc); }
.sec-h h2 { font-size: clamp(30px, 3.6vw, 48px); font-weight: 600; color: var(--ink); letter-spacing: -.005em; line-height: 1.2; }
.sec-h .sub { font-family: var(--serif); font-style: italic; color: var(--mute); font-size: 19px; }
[data-spot] { position: relative; overflow: hidden; isolation: isolate; }
[data-spot]::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0; transition: opacity .45s;
  background: radial-gradient(460px circle at var(--mx, 50%) var(--my, 50%), rgba(35, 80, 216, .09), transparent 42%); }
[data-spot]:hover::before { opacity: 1; }

/* 核心亮点 */
.hl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.hl-card { background: rgba(255, 255, 255, .62); border: 1px solid var(--line); border-radius: 28px; padding: clamp(28px, 3.4vw, 46px);
  transition: transform .7s var(--ease), box-shadow .7s var(--ease), border-color .7s; }
.hl-card:hover { transform: translateY(-6px); box-shadow: 0 34px 70px -38px rgba(18, 26, 43, .32); border-color: rgba(35, 80, 216, .22); }
.fig { display: flex; align-items: baseline; gap: 10px; color: var(--ink); }
.fig .n { font-family: var(--serif); font-size: clamp(66px, 7.4vw, 112px); line-height: 1; letter-spacing: -.02em; font-variant-numeric: lining-nums tabular-nums; }
.fig .u { font-size: 17px; color: var(--mute); }
.fig-cap { font-size: 13px; letter-spacing: .12em; color: var(--acc); margin: 12px 0 28px; }
.hl-card h3 { font-size: 20px; color: var(--ink); font-weight: 600; line-height: 1.55; margin-bottom: 12px; }
.hl-card p { font-size: 15px; color: var(--mute); line-height: 1.9; }
.hl-card p strong { color: var(--acc); }

/* 经历与项目 */
.co-row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.co-row h3 { font-size: clamp(20px, 2.2vw, 27px); color: var(--ink); font-weight: 600; }
.dates { font-family: var(--serif); font-style: italic; color: var(--mute); font-size: 16px; white-space: nowrap; }
.ov { color: var(--mute); margin: 16px 0 40px; font-size: 15px; }
.tl { position: relative; padding-left: 42px; }
.tl-line { position: absolute; left: 6px; top: 46px; bottom: 30px; width: 1px; background: var(--line); }
.tl-line i { position: absolute; inset: 0; background: linear-gradient(var(--acc), var(--acc2)); transform-origin: top; transform: scaleY(var(--tp, 0)); }
.seg { position: relative; display: grid; grid-template-columns: minmax(220px, 300px) 1fr; gap: clamp(24px, 4vw, 64px); padding: 36px 0; border-top: 1px solid var(--line); }
.seg:first-of-type { border-top: 0; }
.seg::before { content: ""; position: absolute; left: -41px; top: 47px; width: 11px; height: 11px; border-radius: 50%; background: var(--bg); border: 1px solid var(--acc); transition: background .8s .3s; }
.seg.in::before { background: var(--acc); }
.seg-dates { font-family: var(--serif); font-style: italic; font-size: 18px; color: var(--acc); margin-bottom: 8px; }
.seg-meta h4 { font-size: 19px; color: var(--ink); font-weight: 600; line-height: 1.5; margin-bottom: 14px; }
.seg-meta .duty { font-size: 14px; color: var(--ink2); margin-bottom: 12px; line-height: 1.8; }
.team { font-size: 13.5px; color: var(--mute); line-height: 1.8; }
.team span { display: inline-block; font-size: 11px; letter-spacing: .14em; color: var(--sage-ink); border: 1px solid var(--sage); border-radius: 999px; padding: 0 9px; margin-right: 8px; line-height: 1.8; }
.team strong { color: var(--ink); }
.seg-proj { display: flex; flex-direction: column; gap: 10px; }
.pcard { display: grid; grid-template-columns: 40px 1fr 26px; gap: 16px; align-items: start; padding: 22px 24px; border-radius: 20px; border: 1px solid transparent;
  background: rgba(255, 255, 255, .42); transition: background .5s, border-color .5s, transform .6s var(--ease); }
.pcard:hover { background: rgba(255, 255, 255, .9); border-color: var(--line); transform: translateX(4px); }
.pc-no { font-family: var(--serif); font-style: italic; color: var(--mute); font-size: 15px; padding-top: 3px; }
.pc-body h5 { display: inline-block; font-size: 17px; color: var(--ink); font-weight: 600; margin-bottom: 6px; line-height: 1.5; }
.pc-body p { font-size: 14px; color: var(--mute); line-height: 1.85; }
.pc-body p strong { color: var(--acc); }
.pc-go { font-size: 18px; color: var(--mute); padding-top: 2px; transition: transform .5s var(--ease), color .5s; }
.pcard:hover .pc-go { transform: translateX(6px); color: var(--acc); }
.early { margin-top: 36px; border-top: 1px solid var(--line); padding-left: 42px; }
.early-row { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: baseline; padding: 20px 0; border-bottom: 1px solid var(--line); }
.early-row b { color: var(--ink); font-weight: 600; }
.early-row em { font-style: normal; color: var(--ink2); margin: 0 12px; }
.early-row small { color: var(--mute); font-size: 13.5px; }

/* 个人 AI 实践（深色） */
.dark { background: #0d1322; color: #c6ccd9; }
.dark .sec-h h2 { color: #f5f6f9; }
.dark .sec-h .sub { color: #8a93a8; }
.dark .sec-h .no { color: #93abf5; }
.ai-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .08); border-radius: 24px; overflow: hidden; margin-bottom: 64px; }
.ai-stat { background: #0d1322; padding: 34px 28px; }
.ai-stat .n { font-family: var(--serif); font-size: clamp(46px, 5vw, 74px); color: #fff; line-height: 1; }
.ai-stat .u { font-size: 15px; color: #9aa3b7; margin-left: 6px; }
.ai-stat p { margin-top: 14px; font-size: 13px; color: #8a93a8; letter-spacing: .06em; }
.chart-t { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 26px; }
.chart-t h3 { font-size: 18px; font-weight: 600; color: #f5f6f9; }
.chart-t span { font-size: 12.5px; color: #7d869b; }
.bars { display: grid; grid-template-columns: repeat(var(--cols, 9), 1fr); gap: clamp(8px, 1.4vw, 18px); align-items: end; height: 260px; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.bar { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; }
.bar i { display: block; width: 100%; height: calc(var(--h) * 1%); transform: scaleY(0); transform-origin: bottom; border-radius: 10px 10px 2px 2px;
  background: linear-gradient(180deg, #93abf5, #2350d8 85%); transition: transform 1.3s var(--ease); transition-delay: calc(var(--i) * 70ms + .1s); }
.bars.in .bar i, .bars:not([data-r]) .bar i { transform: scaleY(1); }
.bar b { position: absolute; bottom: calc(var(--h) * 1% + 8px); font-family: var(--serif); font-weight: 400; font-size: 15px; color: #e8ebf2; opacity: 0; transition: opacity .6s 1s; }
.bars.in .bar b, .bars:not([data-r]) .bar b { opacity: 1; }
.bar-x { display: grid; grid-template-columns: repeat(var(--cols, 9), 1fr); gap: clamp(8px, 1.4vw, 18px); font-size: 12px; color: #8a93a8; text-align: center; margin-top: 12px; }
.ai-foot { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; margin-top: 72px; align-items: end; }
.ai-one { font-size: 16px; color: #c6ccd9; line-height: 1.95; }
.ai-one strong { color: #fff; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .22); color: #fff; font-size: 14px;
  transition: background .45s var(--ease), color .45s, border-color .45s; }
.btn:hover { background: #fff; color: #0d1322; }
.btn.light { border-color: rgba(18, 26, 43, .16); color: var(--ink); background: rgba(255, 255, 255, .5); }
.btn.light:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

/* 能力与背景 */
.about { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(36px, 6vw, 96px); }
.about h3 { font-size: 13px; letter-spacing: .2em; color: var(--acc); font-weight: 500; margin-bottom: 22px; }
.sk { display: grid; grid-template-columns: 116px 1fr; gap: 14px 24px; font-size: 14.5px; }
.sk dt { color: var(--ink); font-weight: 600; }
.sk dd { color: var(--mute); }
.edu { display: flex; flex-direction: column; gap: 20px; }
.edu div b { color: var(--ink); font-weight: 600; font-size: 16px; }
.edu div span { display: block; color: var(--ink2); font-size: 14px; }
.edu div small { display: block; color: var(--mute); font-size: 13px; }
.honor { margin-top: 44px; display: flex; flex-wrap: wrap; gap: 10px; }
.honor span { font-size: 13.5px; color: var(--ink2); padding: 7px 16px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255, 255, 255, .5); }

/* 页脚 */
.foot { padding: clamp(96px, 13vw, 170px) 0 44px; border-top: 1px solid var(--line); }
.foot p { font-size: 14px; color: var(--mute); margin-bottom: 18px; letter-spacing: .1em; }
.foot .big { font-family: var(--serif); font-style: italic; font-size: clamp(38px, 6.4vw, 92px); color: var(--ink); line-height: 1.12; display: inline-block; position: relative; }
.foot .big::after { content: ""; position: absolute; left: 0; right: 0; bottom: .06em; height: 2px; background: var(--acc); transform: scaleX(0); transform-origin: right; transition: transform .8s var(--ease); }
.foot .big:hover::after { transform: scaleX(1); transform-origin: left; }
.foot-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 80px; font-size: 12.5px; color: var(--mute); }
.foot-row a:hover { color: var(--ink); }

/* 项目页 */
.pj-hero { padding: 150px 0 24px; position: relative; overflow: hidden; }
.pj-hero .orbs i { opacity: .45; }
.back { display: inline-flex; gap: 10px; font-size: 13px; color: var(--mute); margin-bottom: 60px; transition: color .3s, gap .4s var(--ease); }
.back:hover { color: var(--ink); gap: 14px; }
.pj-crumb { font-size: 12px; letter-spacing: .22em; color: var(--acc); margin-bottom: 22px; }
.pj-title { font-size: clamp(38px, 5.6vw, 78px); line-height: 1.12; color: var(--ink); font-weight: 600; letter-spacing: -.01em; max-width: 16em; }
.pj-meta { margin-top: 22px; font-size: 14px; color: var(--mute); display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: baseline; }
.pj-meta .dates { font-size: 17px; color: var(--acc); }
.pj-lede { margin-top: 42px; font-size: clamp(18px, 1.85vw, 24px); line-height: 1.8; color: var(--ink2); max-width: 900px; }
.pj-lede strong { color: var(--acc); }
.mx { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1px; margin-top: 64px; background: var(--line); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; }
.mx-t { background: rgba(251, 250, 247, .92); padding: 30px 26px; }
.mx-t .v { font-family: var(--serif); font-size: clamp(30px, 3.3vw, 46px); color: var(--ink); line-height: 1.18; }
.mx-t p { margin-top: 12px; font-size: 13px; color: var(--mute); line-height: 1.7; }
.viz { padding: 72px 0 8px; }
.viz-card { position: relative; border-radius: 32px; background: linear-gradient(180deg, rgba(255, 255, 255, .95), rgba(255, 255, 255, .55)); border: 1px solid var(--line); padding: clamp(28px, 4vw, 56px); overflow: hidden; }
.viz-cap { font-size: 12px; letter-spacing: .22em; color: var(--mute); margin-bottom: 30px; }
.viz-foot { margin-top: 30px; font-size: 14px; color: var(--mute); line-height: 1.8; }
.story { padding: 64px 0 110px; }
.hint { font-size: 13px; color: var(--mute); margin-bottom: 26px; display: flex; align-items: center; gap: 12px; }
.hint i { width: 24px; height: 24px; border-radius: 50%; border: 1px solid rgba(35, 80, 216, .4); color: var(--acc); font-style: normal; font-family: var(--serif); display: grid; place-items: center; font-size: 13px; }
.st { display: grid; grid-template-columns: 190px 1fr; gap: clamp(24px, 5vw, 72px); padding: 46px 0; border-top: 1px solid var(--line); }
.st-l { position: sticky; top: 100px; align-self: start; }
.st-l h2 { font-size: 23px; color: var(--ink); font-weight: 600; line-height: 1.3; }
.st-l span { font-family: var(--serif); font-style: italic; color: var(--mute); font-size: 16px; }
.st-r .pre { color: var(--ink2); margin-bottom: 18px; font-size: 16px; line-height: 1.9; }
.st-r ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.st-r li { position: relative; padding: 18px 24px 18px 60px; border-radius: 18px; background: rgba(255, 255, 255, .58); border: 1px solid var(--line);
  font-size: 15.5px; line-height: 1.9; transition: opacity .45s, border-color .45s, box-shadow .45s, transform .55s var(--ease); }
.st-r li .cn { position: absolute; left: 20px; top: 19px; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--serif); font-size: 14px; color: var(--acc); border: 1px solid rgba(35, 80, 216, .35); background: rgba(255, 255, 255, .7); }
.st-r li.plain { padding-left: 46px; }
.st-r li.plain::before { content: ""; position: absolute; left: 24px; top: 31px; width: 6px; height: 6px; border-radius: 50%; background: var(--acc2); }
.st.res li { background: var(--ink); border-color: var(--ink); color: #cfd4df; }
.st.res li strong { color: #fff; }
.st.res li .cn { background: transparent; color: #a9bdf7; border-color: rgba(169, 189, 247, .45); }
.st.res li.plain::before { background: #93abf5; }
.st.res .arr { color: #93abf5; }
[data-map] li[data-n] { cursor: default; }
.map-on li { opacity: .32; }
.map-on li.hit { opacity: 1; border-color: rgba(35, 80, 216, .5); box-shadow: 0 20px 44px -26px rgba(35, 80, 216, .5); transform: translateX(6px); }
.pj-next { display: grid; grid-template-columns: 1fr 1.6fr; gap: 16px; padding-bottom: 40px; }
.pj-next a { display: block; padding: 30px 32px; border-radius: 26px; border: 1px solid var(--line); background: rgba(255, 255, 255, .5); transition: background .5s, transform .6s var(--ease); }
.pj-next a:hover { background: #fff; transform: translateY(-4px); }
.pj-next span { display: block; font-size: 12px; letter-spacing: .2em; color: var(--mute); margin-bottom: 10px; }
.pj-next strong { font-size: clamp(18px, 2vw, 24px); color: var(--ink); font-weight: 600; }
.pj-next .nx { text-align: right; background: var(--ink); border-color: var(--ink); }
.pj-next .nx span { color: #9aa3b7; }
.pj-next .nx strong { color: #fff; }
.pj-next .nx:hover { background: #1b2540; }

/* 示意图：层级三改二 */
.layers { display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(20px, 4vw, 56px); align-items: center; }
.lcol { display: flex; flex-direction: column; gap: 12px; }
.lcol h6 { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 19px; color: var(--mute); margin-bottom: 4px; }
.ly { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; border-radius: 16px; padding: 18px 22px; font-weight: 600; font-size: 16px; color: var(--ink); background: var(--accs); }
.ly small { font-weight: 400; font-size: 13px; color: var(--mute); }
.l3 .ly { background: #eceef3; color: var(--ink2); }
.viz-card.in .l3 .ly.mid { animation: fold 2.6s var(--ease) 1.1s forwards; }
@keyframes fold { 35% { background: #f8e4e0; color: #a5493e; } 100% { background: #f3f1ed; color: #b9bcc4; transform: scale(.96); text-decoration: line-through; } }
.l2 .ly { opacity: 0; transform: translateX(-24px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.viz-card.in .l2 .ly { opacity: 1; transform: none; transition-delay: 2.2s; }
.viz-card.in .l2 .ly + .ly { transition-delay: 2.45s; }
.lar { font-family: var(--serif); font-size: 34px; color: var(--acc); }

/* 示意图：五层 */
.stack { display: flex; flex-direction: column; gap: 10px; perspective: 1400px; }
.sl { display: grid; grid-template-columns: 44px 220px 1fr; gap: 18px; align-items: center; padding: 20px 26px; border-radius: 18px; border: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(35, 80, 216, calc(.16 - var(--k) * .025)), rgba(255, 255, 255, .75));
  opacity: 0; transform: rotateX(22deg) translateY(28px); transform-origin: top center;
  transition: opacity 1s var(--ease), transform 1s var(--ease), background .4s; transition-delay: calc(var(--k) * 130ms); }
.viz-card.in .sl { opacity: 1; transform: none; }
.viz-card.in .sl:hover { transform: translateX(8px); transition-delay: 0s; }
.sl .k { font-family: var(--serif); font-style: italic; color: var(--acc); font-size: 19px; }
.sl b { color: var(--ink); font-size: 16px; font-weight: 600; }
.sl span { color: var(--mute); font-size: 14px; line-height: 1.7; }

/* 示意图：流程 */
.flow { display: grid; grid-template-columns: 1fr 56px 1fr 56px 1fr 56px 1fr; align-items: center; }
.fn { position: relative; padding: 24px 22px; border-radius: 20px; background: #fff; border: 1px solid var(--line); min-height: 132px;
  opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: calc(var(--k) * 220ms); }
.viz-card.in .fn { opacity: 1; transform: none; }
.fn.hot { background: var(--ink); border-color: var(--ink); }
.fn.hot b { color: #fff; }
.fn.hot small, .fn.hot .fk { color: #a9bdf7; }
.fk { display: block; font-family: var(--serif); font-style: italic; color: var(--acc); font-size: 15px; margin-bottom: 10px; }
.fn b { display: block; color: var(--ink); font-size: 16px; font-weight: 600; line-height: 1.45; }
.fn small { display: block; margin-top: 8px; color: var(--mute); font-size: 13px; line-height: 1.7; }
.fl { position: relative; height: 1px; margin: 0 8px; background: rgba(35, 80, 216, .25); overflow: visible; }
.fl i { position: absolute; top: -3px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 0 5px rgba(35, 80, 216, .12); opacity: 0; }
.viz-card.in .fl i { animation: travel 2.4s cubic-bezier(.6, 0, .4, 1) infinite; animation-delay: calc(var(--k) * 400ms + 1s); }
@keyframes travel { 0% { left: 0; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { left: calc(100% - 7px); opacity: 0; } }
.tagline { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px; }
.tagline span { font-size: 13px; color: var(--ink2); padding: 6px 14px; border-radius: 999px; background: var(--accs); }

/* 用量页（浅色图表） */
.light-chart .bars { border-bottom-color: var(--line); }
.light-chart .bar b { color: var(--ink); }
.light-chart .bar-x { color: var(--mute); }
.light-chart .chart-t h3 { color: var(--ink); }
.light-chart .chart-t span { color: var(--mute); }
.u-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; }
.u-stat { background: rgba(251, 250, 247, .94); padding: 30px 26px; }
.u-stat .n { font-family: var(--serif); font-size: clamp(40px, 4.2vw, 62px); line-height: 1; color: var(--ink); }
.u-stat .u { font-size: 14px; color: var(--mute); margin-left: 6px; }
.u-stat p { margin-top: 12px; font-size: 13px; color: var(--mute); }
.share { display: flex; flex-direction: column; gap: 14px; }
.sh { display: grid; grid-template-columns: 130px 1fr 64px; gap: 16px; align-items: center; font-size: 14px; }
.sh b { color: var(--ink); font-weight: 600; }
.sh .tr { height: 10px; border-radius: 99px; background: rgba(18, 26, 43, .06); overflow: hidden; }
.sh .tr i { display: block; height: 100%; width: calc(var(--w) * 1%); border-radius: 99px; background: linear-gradient(90deg, #93abf5, #2350d8); transform: scaleX(0); transform-origin: left; transition: transform 1.3s var(--ease); transition-delay: calc(var(--i) * 90ms); }
.share.in .sh .tr i { transform: scaleX(1); }
.sh span { text-align: right; font-family: var(--serif); color: var(--ink2); font-size: 16px; }
.note { font-size: 13px; color: var(--mute); line-height: 1.9; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.box { border-radius: 28px; border: 1px solid var(--line); background: rgba(255, 255, 255, .6); padding: clamp(26px, 3.4vw, 44px); }

/* 细节 */
.pn { font-size: .62em; font-weight: 500; color: var(--mute); letter-spacing: 0; }
.pj-title .pn { display: inline-block; font-size: .5em; }
.v .cj { font-family: var(--sans); font-size: .5em; font-weight: 500; color: var(--ink2); margin: 0 .18em; letter-spacing: 0; }
.pc-body strong, .hl-card p strong, .st-r li strong, .pj-lede strong, .mx-t p { white-space: nowrap; }
.mx-t p { white-space: normal; }

/* 响应式 */
@media (max-width: 900px) {
  .nav-links { gap: 18px; font-size: 13px; }
  .brand em { display: none; }
  .hl-grid, .two { grid-template-columns: 1fr; }
  .seg { grid-template-columns: 1fr; gap: 18px; }
  .ai-stats, .u-stats { grid-template-columns: repeat(2, 1fr); }
  .ai-foot, .about { grid-template-columns: 1fr; }
  .btns { justify-content: flex-start; }
  .st { grid-template-columns: 1fr; gap: 16px; padding: 36px 0; }
  .st-l { position: static; }
  .layers { grid-template-columns: 1fr; }
  .lar { transform: rotate(90deg); justify-self: center; }
  .flow { grid-template-columns: 1fr; gap: 0; }
  .fl { width: 1px; height: 40px; margin: 6px auto; }
  .fl i { left: -3px; animation-name: travelv; }
  @keyframes travelv { 0% { top: 0; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { top: calc(100% - 7px); opacity: 0; } }
  .sl { grid-template-columns: 34px 1fr; }
  .sl span { grid-column: 2; }
  .pj-next { grid-template-columns: 1fr; }
  .early-row { grid-template-columns: 1fr; gap: 4px; }
  .sh { grid-template-columns: 96px 1fr 54px; }
}
@media (max-width: 560px) {
  .wrap { width: calc(100% - 36px); }
  .nav-links a:nth-child(n+3) { display: none; }
  .tl, .early { padding-left: 26px; }
  .seg::before { left: -25px; }
  .pcard { grid-template-columns: 1fr; gap: 6px; padding: 18px; }
  .pc-go { display: none; }
  .st-r li { padding: 16px 18px 16px 52px; font-size: 15px; }
  .bars { height: 200px; }
  .bar b { font-size: 12px; }
}

/* 截图 / 打印：直接显示终态 */
.static [data-r] { opacity: 1 !important; transform: none !important; filter: none !important; transition: none !important; }
.static .name .ch { animation: none; opacity: 1; transform: none; filter: none; }
.static .bar i, .static .sh .tr i { transform: none !important; transition: none !important; }
.static .bar b { opacity: 1 !important; transition: none !important; }
.static .l2 .ly, .static .sl, .static .fn { opacity: 1 !important; transform: none !important; transition: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; scroll-behavior: auto !important; }
  .js [data-r] { opacity: 1; transform: none; filter: none; }
  .name .ch { opacity: 1; transform: none; filter: none; }
  .orbs i { animation: none; }
}