/* 白泽官网 · 营销首页（设计系统：docs/design/白泽设计系统_Serif规范.md；令牌值同 frontend/packages/tokens） */
@import url("./tokens/index.css");
/* SUPPLEMENT:BEGIN 由 fonts/build_supplement.py 生成，勿手改 */
@font-face { font-family: "Alibaba PuHuiTi"; font-weight: 400; font-display: swap; src: url("./fonts/site-supplement-400.woff2") format("woff2"); unicode-range: U+4F4F, U+51B2, U+529E, U+5C3A, U+5DF1, U+5E26, U+600E, U+61C2, U+638C, U+63E1, U+6559, U+68B3, U+695A, U+7126, U+7740, U+7EB8, U+8861, U+8BC9, U+8BDA, U+8C8C, U+8D56, U+8D70, U+8D8A, U+8F96, U+8FC5, U+8FD8, U+90FD; }
@font-face { font-family: "Alibaba PuHuiTi"; font-weight: 500; font-display: swap; src: url("./fonts/site-supplement-500.woff2") format("woff2"); unicode-range: U+4F4F, U+51B2, U+529E, U+5C3A, U+5DF1, U+5E26, U+600E, U+61C2, U+638C, U+63E1, U+6559, U+68B3, U+695A, U+7126, U+7740, U+7EB8, U+8861, U+8BC9, U+8BDA, U+8C8C, U+8D56, U+8D70, U+8D8A, U+8F96, U+8FC5, U+8FD8, U+90FD; }
@font-face { font-family: "Alibaba PuHuiTi"; font-weight: 700; font-display: swap; src: url("./fonts/site-supplement-700.woff2") format("woff2"); unicode-range: U+4F4F, U+51B2, U+529E, U+5C3A, U+5DF1, U+5E26, U+600E, U+61C2, U+638C, U+63E1, U+6559, U+68B3, U+695A, U+7126, U+7740, U+7EB8, U+8861, U+8BC9, U+8BDA, U+8C8C, U+8D56, U+8D70, U+8D8A, U+8F96, U+8FC5, U+8FD8, U+90FD; }
@font-face { font-family: "Alibaba PuHuiTi"; font-weight: 900; font-display: swap; src: url("./fonts/site-supplement-900.woff2") format("woff2"); unicode-range: U+4F4F, U+51B2, U+529E, U+5C3A, U+5DF1, U+5E26, U+600E, U+61C2, U+638C, U+63E1, U+6559, U+68B3, U+695A, U+7126, U+7740, U+7EB8, U+8861, U+8BC9, U+8BDA, U+8C8C, U+8D56, U+8D70, U+8D8A, U+8F96, U+8FC5, U+8FD8, U+90FD; }
/* SUPPLEMENT:END */
/* 页脚公司名补字（杭浙迹），源 普惠体 3.0 55 Regular；不归 build_supplement 管 */
@font-face { font-family: "Alibaba PuHuiTi"; font-weight: 400; font-display: swap; src: url("./fonts/site-supplement-footer-400.woff2") format("woff2"); unicode-range: U+676D, U+6D59, U+8FF9; }

:root {
  --bg: #FAFAF8;
  --fg: #1A1A1A;
  --muted: #F5F3F0;
  --muted-fg: #6B6B6B;
  --accent: #B8860B;
  --accent-2: #D4A84B;
  --accent-3: #E2C47E;
  --border: #E8E4DF;
  --card: #FFFFFF;
  --night: #0A1120;
  --night-2: #121B2E;
  --ink-light: #F3EFE6;
  --ink-dim: #AEB7BD;
  --sans: "Alibaba PuHuiTi", "Inter", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 16px/1.75 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, dl, dd { margin: 0; letter-spacing: 0; }
a { color: inherit; }
.nowrap { white-space: nowrap; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 32px; position: relative; }

/* type */
.label { font: 500 12px/1 var(--mono); letter-spacing: .15em; color: var(--accent); display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.label::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.label-light { color: var(--accent-3); }
.headline { font-weight: 900; font-size: 2.75rem; line-height: 1.22; }
.headline-light { color: #fff; }
h2 { font-weight: 900; font-size: 2.5rem; line-height: 1.25; }
h3 { font-weight: 700; font-size: 1.15rem; line-height: 1.45; }
.sub { color: var(--muted-fg); font-size: 1.075rem; margin-top: 20px; max-width: 36em; }
.sub-light { color: var(--ink-dim); }

/* buttons */
.btn, .btn-outline-light, .btn-ghost { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border-radius: 6px; font-weight: 500; font-size: 15px; text-decoration: none; touch-action: manipulation; transition: all 200ms ease-out; }
.btn { background: var(--accent); color: #fff; box-shadow: 0 2px 12px rgba(184,134,11,.3); }
.btn:hover { background: var(--accent-2); box-shadow: 0 4px 20px rgba(212,168,75,.4); }
.btn-outline-light { border: 1px solid rgba(243,239,230,.45); color: var(--ink-light); background: rgba(10,17,32,.35); backdrop-filter: blur(4px); }
.btn-outline-light:hover { border-color: var(--accent-3); color: var(--accent-3); }
.btn-ghost { color: var(--muted-fg); padding: 0 12px; }
.btn-ghost:hover { color: var(--fg); }
.btn-lg { min-height: 52px; padding: 0 28px; font-size: 16px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(250,250,248,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav-row { display: flex; align-items: center; gap: 32px; height: 68px; }
.wordmark { font-weight: 900; font-size: 22px; text-decoration: none; display: inline-flex; align-items: baseline; gap: 8px; }
.wordmark span { font: 600 12px var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--accent); }
.wordmark-sm { font-size: 18px; }
.nav-links { display: flex; gap: 28px; margin-left: 12px; }
.nav-links a { text-decoration: none; font-size: 14.5px; font-weight: 500; color: var(--muted-fg); transition: color 150ms; }
.nav-links a:hover { color: var(--fg); }
.nav-cta { margin-left: auto; display: flex; gap: 8px; align-items: center; }

/* hero */
.sky { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.hero { position: relative; overflow: hidden; background: var(--night); color: var(--ink-light); min-height: calc(100vh - 68px); min-height: calc(100svh - 68px); display: flex; align-items: center; }
.starfield { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: crosshair; }
.js .hero-fallback { display: none; }
.hero-shade { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(10,17,32,.82) 0%, rgba(10,17,32,.45) 38%, rgba(10,17,32,0) 62%), linear-gradient(0deg, rgba(10,17,32,.6), rgba(10,17,32,0) 22%); }
.hero-inner { width: 100%; padding-top: 88px; padding-bottom: 120px; pointer-events: none; }
.hero-inner a { pointer-events: auto; }
.hero h1 { font-weight: 900; font-size: 4.75rem; line-height: 1.12; }
.lede { font-size: 1.2rem; color: #CDD3D7; margin-top: 30px; max-width: 34em; }
.hero-cta { display: flex; gap: 14px; margin-top: 44px; flex-wrap: wrap; }
.hero-hint { position: absolute; right: 40px; bottom: 32px; font: 500 12px/1 var(--mono); letter-spacing: .14em; color: rgba(226,196,126,.75); display: flex; align-items: center; gap: 10px; pointer-events: none; transition: opacity 600ms; }
.hero-hint.is-done { opacity: 0; }
.hint-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 0 0 rgba(226,196,126,.6); animation: pulse 2.2s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(226,196,126,.55); } 100% { box-shadow: 0 0 0 12px rgba(226,196,126,0); } }
.no-js .hero-hint { display: none; }

/* sections */
.section { padding: 128px 0; }
.section-muted { background: var(--muted); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* value */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 64px; }
.value { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 36px 32px 38px; position: relative; overflow: hidden; transition: transform 250ms ease-out, box-shadow 250ms ease-out, border-color 250ms; }
.value::after { content: ""; position: absolute; left: 32px; right: 32px; top: 0; height: 2px; background: linear-gradient(90deg, var(--accent), transparent); transform: scaleX(.25); transform-origin: left; transition: transform 400ms ease-out; }
.value:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(26,26,26,.07); border-color: #E2D8C8; }
.value:hover::after { transform: scaleX(1); }
.v-icon { width: 44px; height: 44px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 26px; }
.value h3 { font-size: 1.3rem; font-weight: 900; margin-bottom: 10px; word-spacing: .3em; }
.value p { color: #555; font-size: 15px; }

/* lens */
.lens-sec { background: radial-gradient(640px 520px at 76% 50%, rgba(40,92,130,.32) 0%, transparent 70%), radial-gradient(900px 700px at 90% 90%, rgba(70,40,120,.28) 0%, transparent 70%), var(--night); color: var(--ink-light); overflow: hidden; }
.lens { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.lens-copy .headline { color: #fff; }
.lens-points { list-style: none; padding: 0; margin: 44px 0 0; display: grid; gap: 0; border-top: 1px solid rgba(226,196,126,.25); }
.lens-points li { display: flex; gap: 20px; align-items: baseline; padding: 16px 0; border-bottom: 1px solid rgba(226,196,126,.12); color: var(--ink-dim); font-size: 15px; }
.lens-points b { color: var(--accent-3); font-weight: 700; font-size: 16px; min-width: 5em; }
.orbit { position: relative; width: 100%; max-width: 580px; aspect-ratio: 1; margin-left: auto; }
.orbit-lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.ring { fill: none; stroke: rgba(120,214,255,.2); stroke-width: .25; stroke-dasharray: .8 1.2; }
.ring-inner { stroke: rgba(120,214,255,.28); stroke-dasharray: none; }
.spokes line { stroke: rgba(120,214,255,.2); stroke-width: .2; }
.orbit-fx { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.orbit-core { position: absolute; left: 50%; top: 50%; width: 26%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; display: grid; place-content: center; justify-items: center; gap: 6px; background: radial-gradient(circle at 50% 40%, rgba(46,96,128,.55) 0%, rgba(12,22,40,.92) 62%); border: 1px solid rgba(120,214,255,.4); box-shadow: 0 0 48px rgba(120,214,255,.16), inset 0 0 32px rgba(120,214,255,.14); transition: border-color 400ms, box-shadow 400ms; }
.orbit-core span { font-weight: 700; font-size: 17px; color: #fff; letter-spacing: .08em; text-shadow: 0 0 18px rgba(120,214,255,.55); }
.orbit-core em { font: 600 11px/1 var(--mono); font-style: normal; letter-spacing: .14em; color: #8FDCFF; min-height: 11px; }
.orbit-core.is-done { border-color: rgba(255,206,122,.8); box-shadow: 0 0 60px rgba(255,206,122,.3), inset 0 0 36px rgba(255,206,122,.18); }
.orbit-core.is-done em { color: var(--accent-3); }
.node { --a: calc(-90deg + var(--i) * 51.4286deg); position: absolute; left: calc(50% + cos(var(--a)) * 38%); top: calc(50% + sin(var(--a)) * 38%); transform: translate(-50%, -50%); width: 158px; padding: 12px 14px 13px; text-align: center; background: rgba(12,20,36,.88); border: 1px solid rgba(120,214,255,.16); border-radius: 8px; backdrop-filter: blur(3px); transition: border-color 350ms, background 350ms, box-shadow 350ms; }
.node.is-done { border-color: rgba(255,206,122,.42); }
.node.is-scan { border-color: rgba(120,214,255,.85); background: rgba(16,34,54,.95); box-shadow: 0 0 32px rgba(120,214,255,.28), inset 0 0 18px rgba(120,214,255,.1); }
.node:hover { border-color: var(--accent-2); background: rgba(22,34,52,.98); box-shadow: 0 0 28px rgba(212,168,75,.25); }
.n-id { display: block; font: 600 11px/1 var(--mono); letter-spacing: .12em; color: rgba(226,196,126,.7); margin-bottom: 6px; transition: color 350ms, text-shadow 350ms; }
.is-scan .n-id { color: #8FDCFF; text-shadow: 0 0 10px rgba(120,214,255,.8); }
.is-done .n-id { color: var(--accent-3); text-shadow: 0 0 10px rgba(255,206,122,.6); }
.node b { display: block; font-weight: 700; font-size: 15px; line-height: 1.35; color: #fff; }
.node small { display: block; font-size: 12.5px; line-height: 1.5; color: var(--ink-dim); margin-top: 4px; }

/* map */
.map { display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: center; }
.map-visual { background: radial-gradient(420px 320px at 78% 22%, rgba(60,110,160,.35) 0%, transparent 75%), radial-gradient(520px 400px at 20% 100%, rgba(80,50,130,.3) 0%, transparent 70%), var(--night); border-radius: 12px; padding: 28px 24px 16px; box-shadow: 0 20px 50px rgba(10,17,32,.18); }
.map-visual svg { display: block; width: 100%; height: auto; }
.map-fx { display: block; width: 100%; aspect-ratio: 520 / 420; }
.js .map-visual { padding: 0; overflow: hidden; }
.js .map-visual svg { display: none; }
.m-grid path { stroke: rgba(226,196,126,.1); stroke-width: 1; fill: none; }
.m-axis { stroke: rgba(243,239,230,.55); stroke-width: 1.4; fill: none; }
.m-dim circle { fill: rgba(232,228,223,.45); }
.m-link { stroke: rgba(226,196,126,.45); stroke-width: 1; fill: none; stroke-dasharray: 3 4; }
.m-reticle path { stroke: var(--accent-3); stroke-width: 1.3; fill: none; }
@media (prefers-reduced-motion: no-preference) {
  .m-reticle { transform-origin: 408px 86px; animation: lock 3.6s ease-in-out infinite; }
  .m-lit circle:nth-child(odd) { transform-box: fill-box; transform-origin: center; animation: twinkle 3.6s ease-in-out infinite; }
  .m-lit circle:nth-child(3) { animation-delay: -1.2s; } .m-lit circle:nth-child(5) { animation-delay: -2.4s; }
}
@keyframes lock { 0%, 100% { transform: scale(1.35); opacity: 0; } 25%, 75% { transform: scale(1); opacity: 1; } }
@keyframes twinkle { 50% { transform: scale(1.18); opacity: .8; } }
.m-label { font: 700 14px var(--sans); fill: var(--ink-light); }
.map-points { margin-top: 40px; display: grid; gap: 0; border-top: 1px solid var(--fg); }
.map-points div { display: grid; grid-template-columns: 6.5em 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.map-points dt { font-weight: 700; }
.map-points dd { color: #555; font-size: 15px; }

/* deliver */
.deliver-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 64px; }
.deliver { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 28px 28px 32px; transition: box-shadow 250ms, transform 250ms; }
.deliver:hover { box-shadow: 0 12px 32px rgba(26,26,26,.07); transform: translateY(-3px); }
.paper { height: 150px; border-radius: 4px; background: var(--muted); border: 1px solid var(--border); padding: 18px 20px; display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; position: relative; overflow: hidden; }
.paper::before { content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 100%; background: var(--accent); }
.paper-stack { box-shadow: 6px 6px 0 -1px var(--card), 6px 6px 0 0 var(--border), 12px 12px 0 -1px var(--card), 12px 12px 0 0 var(--border); margin-right: 12px; }
.pl { display: block; height: 7px; border-radius: 4px; background: #DCD6CD; }
.w40 { width: 40%; } .w50 { width: 50%; } .w60 { width: 60%; } .w70 { width: 70%; } .w80 { width: 80%; } .w85 { width: 85%; } .w90 { width: 90%; }
.pbox { display: block; height: 44px; width: 44%; border: 1px solid #D6CFC4; border-radius: 3px; background: linear-gradient(90deg, transparent 33%, #E6E0D7 33%, #E6E0D7 calc(33% + 1px), transparent calc(33% + 1px), transparent 66%, #E6E0D7 66%, #E6E0D7 calc(66% + 1px), transparent calc(66% + 1px)), radial-gradient(circle at 80% 30%, var(--accent-2) 3px, transparent 4px); }
.prows { display: grid; gap: 7px; margin-top: 4px; }
.prows i { display: block; height: 6px; border-radius: 3px; background: linear-gradient(90deg, #DCD6CD 0 18%, transparent 18% 24%, #E6E0D7 24%); }
.prows i:nth-child(2), .prows i:nth-child(5) { background: linear-gradient(90deg, var(--accent-3) 0 18%, transparent 18% 24%, #E6E0D7 24%); }
.deliver .level { font: 900 2.2rem/1 var(--sans); color: var(--accent); margin-bottom: 10px; }
.deliver h3 { margin-bottom: 8px; }
.deliver p:not(.level) { font-size: 15px; color: #4a4a4a; }

/* who */
.who { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 56px; }
.who h3 { padding-top: 18px; border-top: 2px solid var(--accent); margin-bottom: 10px; font-size: 1.1rem; }
.who p { font-size: 15px; color: #4a4a4a; }

/* trust */
.principles-sec { background: var(--night); color: var(--ink-light); }
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; margin-top: 56px; }
.p-num { font: 600 12px var(--mono); color: var(--accent-3); letter-spacing: .12em; }
.principles h3 { font-size: 1.3rem; font-weight: 900; color: #fff; margin: 12px 0; padding-bottom: 14px; border-bottom: 1px solid rgba(212,168,75,.45); }
.principles p { color: #B9C1C6; font-size: 15px; }

/* contact */
.contact { position: relative; overflow: hidden; background: radial-gradient(900px 500px at 70% 40%, #17284A 0%, var(--night) 70%); color: var(--ink-light); padding: 128px 0; border-top: 1px solid rgba(226,196,126,.15); }
.sky-dim { opacity: .6; }
.contact-inner h2 { font-size: 3rem; font-weight: 900; line-height: 1.22; }
.contact-ways { display: flex; gap: 24px; align-items: center; margin-top: 40px; flex-wrap: wrap; }
.contact-mail { font-size: 15px; color: var(--ink-light); text-decoration: none; border-bottom: 1px solid rgba(226,196,126,.4); }
.contact-mail:hover { color: var(--accent-3); }
.contact-wx { margin: 0 0 0 16px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.contact-wx img { display: block; width: 132px; height: 132px; padding: 8px; background: var(--ink-light); border-radius: 12px; box-shadow: 0 0 0 1px rgba(226,196,126,.35), 0 12px 32px rgba(0,0,0,.35); }
.contact-wx figcaption { font-size: 13px; color: var(--ink-dim); }

/* footer */
.foot { border-top: 1px solid var(--border); padding: 28px 0; }
.foot-row { display: flex; gap: 24px; align-items: baseline; flex-wrap: wrap; }
.foot-line { font-size: 14px; color: var(--fg); font-weight: 500; }
.foot-meta { font-size: 13px; color: var(--muted-fg); }
.foot-link { margin-left: auto; text-decoration: none; }
.foot-link:hover { color: var(--accent); }
.foot-icp { text-decoration: none; }
.foot-icp:hover { color: var(--accent); }

/* responsive */
@media (max-width: 1080px) {
  .lens { grid-template-columns: 1fr; }
  .orbit { margin: 24px auto 0; }
}
@media (max-width: 960px) {
  .hero h1 { font-size: 3.5rem; }
  .br-wide { display: none; }
  .values, .deliver-grid, .map { grid-template-columns: 1fr; }
  .map { gap: 48px; }
  .map-copy { order: -1; }
  .principles, .who { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .section { padding: 92px 0; }
  .headline { font-size: 2.3rem; }
}
@media (max-width: 640px) {
  .orbit { aspect-ratio: auto; max-width: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .orbit-lines, .orbit-core, .orbit-fx { display: none; }
  .node { position: static; transform: none; width: auto; text-align: left; }
  .node:last-child { grid-column: span 2; }
  .contact-wx { margin-left: 0; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .hero { min-height: 640px; align-items: flex-end; }
  .hero-inner { padding-top: 72px; padding-bottom: 88px; }
  .hero h1 { font-size: 2.6rem; }
  .lede { font-size: 1.05rem; }
  .hero-shade { background: linear-gradient(0deg, rgba(10,17,32,.88) 0%, rgba(10,17,32,.55) 55%, rgba(10,17,32,.1) 100%); }
  .hero-hint { right: 20px; bottom: 22px; }
  .headline, h2, .contact-inner h2 { font-size: 1.95rem; }
  .principles, .who { grid-template-columns: 1fr; }
  .map-points div { grid-template-columns: 1fr; gap: 4px; }
  .nav-cta .btn-ghost { display: inline-flex; padding-inline: 10px; }
  .foot-link { margin-left: 0; }
}