:root {
  --navy: #0b1f2a;
  --navy-2: #123646;
  --ink: #102630;
  --orange: #ff754b;
  --orange-deep: #eb5832;
  --cream: #f5f0e7;
  --paper: #fbfaf7;
  --sand: #e7dccb;
  --mint: #b6e5d6;
  --muted: #68777c;
  --line: rgba(16, 38, 48, 0.14);
  --shadow: 0 30px 80px rgba(11, 31, 42, 0.12);
  --scroll-progress: 0;
  --hero-shift: 0px;
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  --font-display: "DIN Alternate", "Arial Narrow", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", sans-serif;
  --font-mono: "DIN Alternate", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-sans); font-size: 16px; font-weight: 400; line-height: 1.65; font-kerning: normal; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 800; text-wrap: balance; }
section[id] { scroll-margin-top: 84px; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; z-index: 200; left: 12px; top: -60px; background: white; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 12px; }
.scroll-progress { position: fixed; z-index: 220; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--orange), #ffc3ad); transform: scaleX(var(--scroll-progress)); transform-origin: left center; pointer-events: none; }
.cursor-lens, .cursor-point { display: none; position: fixed; z-index: 230; left: 0; top: 0; pointer-events: none; opacity: 0; will-change: transform, opacity; }

@media (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .custom-cursor, .custom-cursor a, .custom-cursor button, .custom-cursor summary, .custom-cursor input, .custom-cursor textarea { cursor: none; }
  .custom-cursor .cursor-lens, .custom-cursor .cursor-point { display: block; }
  .cursor-lens { --lens-size: 92px; width: var(--lens-size); height: var(--lens-size); margin: calc(var(--lens-size) / -2) 0 0 calc(var(--lens-size) / -2); border: 1px solid rgba(255,117,75,.46); border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.05) 0 42%, rgba(255,117,75,.08) 68%, transparent 72%); box-shadow: inset 0 -12px 18px rgba(255,255,255,.28), inset 0 -2px 2px rgba(255,255,255,.86), 0 0 0 1px rgba(255,255,255,.2), 0 12px 34px rgba(235,88,50,.18), 0 0 72px rgba(255,117,75,.14); backdrop-filter: blur(1.3px) saturate(1.22); transform: translate3d(var(--cursor-x), var(--cursor-y), 0) scale(.72); transition: width .32s cubic-bezier(.2,.8,.2,1), height .32s cubic-bezier(.2,.8,.2,1), margin .32s cubic-bezier(.2,.8,.2,1), border-color .25s ease, box-shadow .25s ease, opacity .2s ease; }
  .cursor-lens::before { content: ""; position: absolute; inset: -54px; border-radius: 50%; background: radial-gradient(circle, rgba(255,117,75,.12), transparent 62%); filter: blur(14px); }
  .cursor-lens span { position: absolute; inset: 8px; border-radius: 50%; border-top: 1px solid rgba(255,255,255,.5); border-bottom: 1px solid rgba(255,117,75,.62); transform: rotate(-18deg); }
  .cursor-point { width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 14px rgba(255,117,75,.88); transform: translate3d(var(--cursor-x), var(--cursor-y), 0); transition: width .2s ease, height .2s ease, margin .2s ease, opacity .15s ease, background .2s ease; }
  .cursor-visible .cursor-lens { opacity: 1; transform: translate3d(var(--cursor-x), var(--cursor-y), 0) scale(1); }
  .cursor-visible .cursor-point { opacity: 1; }
  .cursor-interactive .cursor-lens { --lens-size: 126px; border-color: rgba(255,117,75,.78); box-shadow: inset 0 -14px 22px rgba(255,255,255,.34), inset 0 -2px 3px white, 0 0 0 1px rgba(255,117,75,.22), 0 18px 48px rgba(235,88,50,.23), 0 0 100px rgba(255,117,75,.2); }
  .cursor-interactive .cursor-point { width: 11px; height: 11px; margin: -5.5px 0 0 -5.5px; background: white; box-shadow: 0 0 0 3px var(--orange), 0 0 22px rgba(255,117,75,.85); }
  .cursor-pressed .cursor-lens { --lens-size: 76px; }
}

.site-header { position: sticky; z-index: 100; top: 0; background: rgba(251,250,247,.88); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); animation: header-enter .7s cubic-bezier(.22,1,.36,1) both; }
.header-inner { min-height: 72px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: baseline; gap: 10px; margin-right: auto; }
.brand-word { font: 900 24px/1 var(--font-display); letter-spacing: -.065em; }
.brand-word::first-letter { color: var(--orange); }
.brand-cn { font-size: 12px; letter-spacing: .18em; color: var(--muted); }
.desktop-nav { display: flex; align-items: center; gap: 24px; font-size: 13px; font-weight: 600; letter-spacing: .015em; }
.desktop-nav a { position: relative; padding: 26px 0; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 18px; height: 2px; background: var(--orange); transition: right .25s ease; }
.desktop-nav a:hover::after { right: 0; }
.header-cta { background: var(--navy); color: white; padding: 12px 18px; border-radius: 10px; font-size: 13px; font-weight: 700; letter-spacing: .01em; }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { list-style: none; font-weight: 700; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu nav { position: absolute; right: 0; top: 38px; display: grid; min-width: 210px; padding: 12px; background: white; box-shadow: var(--shadow); border-radius: 14px; }
.mobile-menu nav a { padding: 12px; border-bottom: 1px solid var(--line); }

.hero { min-height: 760px; position: relative; overflow: hidden; background: linear-gradient(125deg, #f7f2e9 0%, #fbfaf7 53%, #e9f1ee 100%); }
.hero::before { content: ""; position: absolute; width: 540px; height: 540px; border-radius: 50%; right: -180px; top: -220px; background: rgba(255,117,75,.15); filter: blur(10px); }
.hero-grid-pattern { position: absolute; inset: -80px 0; opacity: .34; background-image: linear-gradient(rgba(11,31,42,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(11,31,42,.06) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to right, black, transparent 78%); transform: translate3d(0,var(--hero-shift),0); will-change: transform; }
.hero-orb { position: absolute; width: min(46vw, 640px); aspect-ratio: 1; border-radius: 58% 42% 36% 64% / 52% 38% 62% 48%; filter: blur(3px); opacity: .46; pointer-events: none; mix-blend-mode: multiply; }
.hero-orb-one { top: -42%; left: -18%; background: radial-gradient(circle at 38% 38%, rgba(255,255,255,.98), rgba(255,117,75,.34) 34%, rgba(255,196,165,.08) 68%, transparent 75%); animation: morph-orb-one 16s linear infinite; }
.hero-orb-two { right: -22%; bottom: -48%; background: radial-gradient(circle at 42% 42%, rgba(255,255,255,.95), rgba(182,229,214,.52) 35%, rgba(18,54,70,.06) 70%, transparent 76%); animation: morph-orb-two 19s linear infinite; }
.hero-layout { z-index: 1; min-height: 720px; padding: 92px 0 70px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; position: relative; }
.eyebrow, .section-kicker { margin: 0 0 18px; letter-spacing: .1em; font-size: 11px; font-weight: 700; color: var(--orange-deep); }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--navy-2); }
.eyebrow span { width: 28px; height: 2px; background: var(--orange); }
.hero h1 { max-width: 720px; margin: 0; font-size: clamp(46px, 5.35vw, 76px); line-height: 1.07; letter-spacing: -.065em; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--orange-deep); }
.hero-line { display: inline-block; opacity: 0; filter: blur(9px); transform: translateY(.3em) scale(.985); animation: hero-line-enter .78s cubic-bezier(.16,1,.3,1) .12s forwards; }
.hero-line-accent { animation-delay: .27s; }
.hero-subtitle { max-width: 590px; margin: 28px 0 0; color: #52656c; font-size: 16px; line-height: 1.9; letter-spacing: .005em; }
.hero-subtitle strong { display: block; color: var(--ink); margin-top: 4px; }
.hero-copy .eyebrow, .hero-subtitle, .hero-actions, .hero-trust { opacity: 0; transform: translateY(16px); animation: element-enter .72s cubic-bezier(.22,1,.36,1) forwards; }
.hero-copy .eyebrow { animation-delay: .06s; }
.hero-subtitle { animation-delay: .5s; }
.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 34px; animation-delay: .64s; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 52px; padding: 0 24px; border-radius: 11px; font-weight: 700; letter-spacing: .01em; }
.button-primary { background: var(--orange); color: var(--navy); box-shadow: 0 14px 35px rgba(235,88,50,.24); }
.button-primary:hover { background: #ff8a66; transform: translateY(-2px); }
.text-link { font-weight: 700; padding-bottom: 4px; border-bottom: 1px solid var(--ink); }
.hero-trust { list-style: none; margin: 50px 0 0; padding: 22px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); animation-delay: .8s; }
.hero-trust li { display: flex; gap: 12px; align-items: flex-start; }
.hero-trust b { color: var(--orange-deep); font-size: 12px; }
.hero-trust span { font-size: 13px; line-height: 1.45; color: #455b63; }

.hero-console { position: relative; background: var(--navy); color: white; border-radius: 26px; box-shadow: 0 38px 90px rgba(11,31,42,.26); overflow: hidden; opacity: 0; transform: translateY(34px) rotate(3deg) scale(.97); animation: console-enter 1s cubic-bezier(.16,1,.3,1) .42s forwards; transition: transform .45s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease; }
.hero-console:hover { transform: translateY(-7px) rotate(.2deg); box-shadow: 0 48px 110px rgba(11,31,42,.32); }
.hero-console::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 10%, rgba(182,229,214,.16), transparent 32%), linear-gradient(120deg, transparent 40%, rgba(255,255,255,.035)); }
.console-topbar { position: relative; display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,.12); }
.console-brand { font-size: 12px; letter-spacing: .08em; color: #d6e3e6; }
.status-dot { font-size: 11px; color: var(--mint); }
.status-dot::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px rgba(182,229,214,.11); animation: status-pulse 2s ease-in-out infinite; }
.console-body { position: relative; padding: 30px 28px 28px; }
.console-label { margin: 0 0 20px; color: #9cb1b8; font-size: 12px; }
.score-card { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 12px; padding: 17px 16px; margin: 10px 0; border-radius: 13px; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.08); opacity: 0; transform: translateY(10px); animation: score-enter .55s cubic-bezier(.22,1,.36,1) forwards; }
.score-card:nth-of-type(1) { animation-delay: 1.02s; }
.score-card:nth-of-type(2) { animation-delay: 1.12s; }
.score-card:nth-of-type(3) { animation-delay: 1.22s; }
.score-card.featured { background: rgba(255,117,75,.13); border-color: rgba(255,117,75,.36); }
.score-index { color: #718990; font-size: 12px; }
.score-card strong { display: block; font-size: 14px; }
.score-card small { display: block; margin-top: 5px; color: #8fa4aa; font-size: 11px; }
.score { font: 800 20px/1 monospace; color: var(--mint); }
.console-insight { margin-top: 22px; padding: 18px; border-radius: 13px; background: var(--cream); color: var(--ink); }
.console-insight span { font-size: 10px; font-weight: 800; letter-spacing: .1em; color: var(--orange-deep); }
.console-insight p { margin: 7px 0 0; font-size: 13px; line-height: 1.6; }
.orbit { position: absolute; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; pointer-events: none; }
.orbit-one { width: 200px; height: 200px; right: -120px; bottom: -80px; animation: orbit-spin 18s linear infinite; }
.orbit-two { width: 140px; height: 140px; right: -80px; bottom: -50px; border-color: rgba(255,117,75,.45); animation: orbit-spin 13s linear reverse infinite; }

.proof-strip { background: var(--orange); border-top: 1px solid rgba(11,31,42,.12); border-bottom: 1px solid rgba(11,31,42,.12); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid div { padding: 24px 28px; border-right: 1px solid rgba(11,31,42,.16); }
.proof-grid div:first-child { border-left: 1px solid rgba(11,31,42,.16); }
.proof-grid strong { display: block; font-family: var(--font-display); font-size: 24px; font-weight: 800; letter-spacing: -.035em; }
.proof-grid span { display: block; margin-top: 4px; font-size: 12px; }

.section { padding: 110px 0; }
.split-heading { display: grid; grid-template-columns: 1fr .72fr; align-items: end; gap: 80px; margin-bottom: 54px; }
.split-heading h2, .centered-heading h2, .method-sticky h2, .delivery-copy h2, .founder-copy h2, .opc-definition h2, .training-card h2, .faq-heading h2, .contact-copy h2 { margin: 0; font-size: clamp(36px, 4.2vw, 58px); line-height: 1.13; letter-spacing: -.05em; font-weight: 800; }
.section-intro, .centered-heading > p:last-child { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; letter-spacing: .005em; }
.centered-heading { max-width: 770px; margin: 0 auto 54px; text-align: center; }
.centered-heading > p:last-child { margin-top: 18px; }

.problem-section { background: var(--cream); }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pain-grid article { padding: 34px; min-height: 245px; border: 1px solid rgba(16,38,48,.12); border-radius: 18px; background: rgba(255,255,255,.46); }
.pain-grid span { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--navy); color: white; font-size: 11px; }
.pain-grid h3 { margin: 44px 0 12px; font-size: 22px; line-height: 1.28; letter-spacing: -.025em; }
.pain-grid p { margin: 0; color: var(--muted); line-height: 1.7; }

.audience-section { background: var(--paper); }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.audience-card { min-height: 440px; padding: 32px; display: flex; flex-direction: column; border-radius: 22px; overflow: hidden; }
.audience-dark { background: var(--navy); color: white; }
.audience-warm { background: var(--orange); color: var(--navy); }
.audience-light { background: #dfeae6; color: var(--navy); }
.card-number { font: 700 11px/1 monospace; opacity: .7; }
.audience-card h3 { margin: 80px 0 18px; font-size: 30px; line-height: 1.18; letter-spacing: -.04em; }
.audience-card p { line-height: 1.75; opacity: .8; }
.audience-card ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 18px 0 30px; }
.audience-card li { border: 1px solid currentColor; border-radius: 999px; padding: 6px 10px; font-size: 11px; opacity: .72; }
.audience-card a { margin-top: auto; font-weight: 800; }

.services-section { background: var(--navy); color: white; }
.light-heading .section-intro { color: #9fb0b5; }
.service-list { border-top: 1px solid rgba(255,255,255,.14); }
.service-list article { display: grid; grid-template-columns: 90px 1fr .8fr; gap: 50px; padding: 42px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.service-no { color: var(--orange); font: 800 20px/1 monospace; }
.service-label { margin: 0 0 8px; color: #87a0a7; font: 700 10px/1 var(--font-mono); letter-spacing: .12em; }
.service-list h3 { margin: 0 0 12px; font-size: 32px; line-height: 1.2; letter-spacing: -.035em; }
.service-list p { margin: 0; max-width: 590px; line-height: 1.75; color: #b9c7cb; }
.service-list ul { list-style: none; padding: 0; margin: 0; display: grid; align-content: center; gap: 10px; }
.service-list li { position: relative; padding-left: 20px; color: #dce4e6; font-size: 14px; }
.service-list li::before { content: "\2197"; position: absolute; left: 0; color: var(--orange); }

.scenarios-section { background: #eef2ef; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.scenario-grid article { padding: 28px; min-height: 265px; background: var(--paper); border-radius: 17px; border: 1px solid rgba(16,38,48,.08); }
.scenario-top { display: flex; justify-content: space-between; color: var(--orange-deep); font: 700 12px/1 monospace; }
.scenario-top i { font-style: normal; font-size: 18px; }
.scenario-grid h3 { margin: 48px 0 12px; font-size: 24px; line-height: 1.25; letter-spacing: -.025em; }
.scenario-grid p { color: var(--muted); line-height: 1.7; }
.scenario-grid small { display: block; margin-top: 24px; color: #778a90; }

.method-section { background: var(--orange); }
.method-layout { display: grid; grid-template-columns: .75fr 1fr; gap: 100px; align-items: start; }
.method-sticky { position: sticky; top: 112px; }
.method-sticky > p:not(.section-kicker) { max-width: 450px; line-height: 1.75; }
.button-dark { margin-top: 24px; background: var(--navy); color: white; }
.method-steps { list-style: none; padding: 0; margin: 0; border-top: 1px solid rgba(11,31,42,.24); }
.method-steps li { display: grid; grid-template-columns: 70px 1fr; gap: 24px; padding: 30px 0; border-bottom: 1px solid rgba(11,31,42,.24); }
.method-steps li > span { font: 800 12px/1 monospace; }
.method-steps h3 { margin: 0 0 8px; font-size: 24px; line-height: 1.25; letter-spacing: -.025em; }
.method-steps p { margin: 0; line-height: 1.6; color: #263c44; }

.delivery-section { padding-top: 0; background: var(--orange); }
.delivery-card { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; padding: 64px; border-radius: 24px; background: var(--cream); }
.delivery-copy p:last-child { color: var(--muted); line-height: 1.8; }
.delivery-map { display: grid; grid-template-columns: 1fr 1.1fr 1fr; align-items: center; }
.city { padding: 28px 18px; min-height: 138px; display: grid; place-content: center; text-align: center; border-radius: 50%; aspect-ratio: 1; }
.city span { font-size: 30px; font-weight: 900; }
.city small { margin-top: 6px; }
.city-xc { background: var(--orange); }
.city-xm { background: var(--navy); color: white; }
.connection { display: flex; align-items: center; color: var(--muted); }
.connection i { flex: 1; height: 1px; background: #85959a; }
.connection b { padding: 8px; font-size: 10px; white-space: nowrap; }

.cases-section { background: var(--paper); }
.featured-cases { display: grid; gap: 20px; }
.case-card { display: grid; grid-template-columns: .82fr 1.18fr; min-height: 520px; overflow: hidden; border-radius: 24px; }
.case-copy { padding: 52px; display: flex; flex-direction: column; justify-content: center; background: var(--navy); color: white; }
.case-type { align-self: flex-start; padding: 7px 10px; border-radius: 999px; background: rgba(255,117,75,.17); color: #ff9a7d; font-size: 10px; }
.case-copy h3 { margin: 28px 0 14px; font-size: 34px; line-height: 1.18; letter-spacing: -.035em; }
.case-copy p { color: #b9c8cc; line-height: 1.75; }
.case-copy ul { margin: 22px 0 0; padding-left: 18px; color: #e5ecee; line-height: 1.9; }
.case-image { min-height: 520px; display: flex; align-items: flex-start; justify-content: center; overflow: hidden; background: #f0f0f0; }
.case-image img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.case-image.landscape { align-items: center; padding: 50px; background: #ebeef2; }
.case-image.landscape img { height: auto; object-fit: contain; border-radius: 12px; box-shadow: 0 18px 50px rgba(11,31,42,.14); }
.case-aventon .case-copy { background: #dbe8e2; color: var(--ink); }
.case-aventon .case-copy p { color: #586b72; }
.case-aventon .case-copy ul { color: #263e47; }
.case-aventon .case-type { background: rgba(11,31,42,.08); color: var(--navy); }
.case-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 20px; }
.case-notes article { padding: 28px; border-radius: 16px; border: 1px solid var(--line); }
.case-notes span { color: var(--orange-deep); font-size: 10px; font-weight: 800; }
.case-notes h3 { margin: 22px 0 10px; }
.case-notes p { margin: 0; color: var(--muted); line-height: 1.65; }

.founder-section { background: var(--cream); }
.founder-layout { display: grid; grid-template-columns: .66fr 1.34fr; gap: 76px; align-items: stretch; }
.founder-portrait { min-height: 570px; aspect-ratio: 2 / 3; margin: 0; overflow: hidden; border-radius: 24px; background: linear-gradient(145deg, var(--navy), #1f4b59); }
.founder-portrait img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 16%; }
.founder-copy { padding: 22px 0; }
.founder-copy h2 small { display: block; margin-top: 10px; font-size: 16px; letter-spacing: 0; color: var(--orange-deep); }
.founder-role { margin: 20px 0; font-weight: 800; }
.founder-bio { color: var(--muted); font-size: 16px; line-height: 1.9; }
.credential-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 28px; }
.credential-grid span, .credential-grid a { padding: 13px 15px; border: 1px solid var(--line); border-radius: 10px; font-size: 12px; background: rgba(255,255,255,.42); }
.credential-grid a { position: relative; padding-right: 30px; color: var(--ink); transition: border-color .2s ease, background .2s ease, transform .2s ease; }
.credential-grid a::after { content: "\2197"; position: absolute; right: 13px; color: var(--orange-deep); }
.credential-grid a:hover { border-color: var(--orange-deep); background: rgba(255,255,255,.78); transform: translateY(-1px); }
.source-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; font-size: 11px; color: var(--muted); }
.source-links a { color: var(--ink); border-bottom: 1px solid var(--ink); }
.source-note { display: block; margin-top: 13px; color: var(--muted); font-size: 10px; line-height: 1.6; }

.opc-section { background: var(--navy); color: white; }
.opc-layout { display: grid; grid-template-columns: 1fr .92fr; gap: 90px; align-items: center; }
.opc-definition > p:not(.section-kicker) { color: #b7c6ca; font-size: 17px; line-height: 1.9; }
.opc-definition strong { color: white; }
.opc-path { padding: 38px; border-radius: 20px; background: var(--cream); color: var(--ink); }
.opc-path h3 { margin: 0 0 22px; font-size: 24px; }
.opc-path ol { list-style: none; padding: 0; margin: 0; }
.opc-path li { padding: 15px 0; border-bottom: 1px solid var(--line); }
.opc-path li span { display: inline-block; width: 42px; color: var(--orange-deep); font: 800 11px/1 monospace; }
.opc-path a { display: inline-block; margin-top: 26px; font-weight: 800; color: var(--orange-deep); }

.training-section { background: #dce9e4; }
.training-card { display: grid; grid-template-columns: 1fr .85fr auto; gap: 50px; align-items: center; }
.training-card > div:first-child > p:last-child { color: var(--muted); line-height: 1.8; }
.training-tags { display: flex; flex-wrap: wrap; gap: 9px; }
.training-tags span { padding: 8px 11px; border-radius: 999px; background: rgba(255,255,255,.68); border: 1px solid var(--line); font-size: 11px; }

.faq-section { background: linear-gradient(145deg, #fbfaf7 0%, #f3eee5 58%, #eef4f1 100%); }
.faq-layout { display: grid; grid-template-columns: .56fr 1.44fr; gap: 72px; align-items: start; }
.faq-heading { position: sticky; top: 110px; }
.faq-heading > p:not(.section-kicker) { color: var(--muted); line-height: 1.8; }
.research-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.research-meta span { padding: 8px 10px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.65); color: var(--navy-2); font-size: 10px; font-weight: 800; letter-spacing: .04em; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; gap: 18px; align-items: center; padding: 27px 0; cursor: pointer; font-family: var(--font-display); font-size: 17px; font-weight: 700; line-height: 1.45; letter-spacing: -.015em; overflow-wrap: anywhere; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--orange-deep); font: 800 11px/1 var(--font-mono); }
.faq-list summary i { font-style: normal; font-size: 20px; transition: transform .2s; }
.faq-list details[open] summary i { transform: rotate(45deg); }
.research-item[open] { padding-bottom: 42px; }
.research-answer { display: grid; gap: 18px; padding-left: 58px; }
.research-conclusion { padding: 20px 22px; border-left: 3px solid var(--orange); border-radius: 0 14px 14px 0; background: rgba(255,255,255,.7); }
.research-conclusion > span { color: var(--orange-deep); font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.research-conclusion p { margin: 8px 0 0; color: var(--ink); font-size: 15px; line-height: 1.9; }
.evidence-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.evidence-grid a { display: flex; flex-direction: column; min-height: 214px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.76); transition: border-color .2s, transform .2s, box-shadow .2s; }
.evidence-grid a:hover { transform: translateY(-3px); border-color: rgba(235,88,50,.45); box-shadow: 0 16px 34px rgba(11,31,42,.08); }
.evidence-grid strong { color: var(--orange-deep); font-family: var(--font-display); font-size: clamp(25px, 3vw, 34px); font-weight: 800; line-height: 1.05; letter-spacing: -.04em; }
.evidence-grid b { margin-top: 8px; font-size: 13px; }
.evidence-grid p { margin: 12px 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.evidence-grid small { margin-top: auto; color: var(--navy-2); font-size: 10px; font-weight: 800; }
.research-method { padding: 26px; border-radius: 18px; background: var(--navy); color: white; }
.research-method h4, .research-sources h4 { margin: 0 0 16px; font-size: 14px; }
.research-formula { display: grid; gap: 8px; padding: 16px; border: 1px solid rgba(255,255,255,.15); border-radius: 12px; background: rgba(255,255,255,.06); }
.research-formula span { color: var(--mint); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.research-formula code { white-space: normal; color: white; font-family: var(--font-mono); font-size: 13px; line-height: 1.75; }
.research-method ol { list-style: none; display: grid; gap: 0; margin: 18px 0 0; padding: 0; }
.research-method li { display: grid; grid-template-columns: 34px 1fr; gap: 10px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.12); color: #d9e2e4; font-size: 13px; line-height: 1.65; }
.research-method li span { padding-top: 5px; color: var(--orange); font: 800 10px/1 monospace; }
.research-boundary { padding: 19px 20px; border: 1px solid rgba(235,88,50,.24); border-radius: 14px; background: #fff1eb; }
.research-boundary b { color: var(--orange-deep); font-size: 12px; }
.research-boundary p { margin: 7px 0 0; color: #6c5148; font-size: 12px; line-height: 1.75; }
.research-sources { padding-top: 4px; }
.research-sources ol { list-style: none; margin: 0; padding: 0; }
.research-sources li { display: grid; grid-template-columns: 28px 1fr; gap: 8px; padding: 11px 0; border-top: 1px solid var(--line); }
.research-sources li > span { padding-top: 3px; color: var(--orange-deep); font: 800 10px/1 monospace; }
.research-sources a { display: block; }
.research-sources a:hover b { color: var(--orange-deep); }
.research-sources b { display: block; font-size: 12px; line-height: 1.5; transition: color .2s; }
.research-sources small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; line-height: 1.5; }

.contact-section { background: var(--orange); }
.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: start; }
.contact-copy > p:not(.section-kicker) { line-height: 1.8; max-width: 510px; }
.wechat-card { display: flex; gap: 18px; align-items: center; margin-top: 32px; padding: 16px; max-width: 450px; border: 1px solid rgba(11,31,42,.2); border-radius: 16px; background: rgba(255,255,255,.28); }
.wechat-qr-link { width: 164px; flex: 0 0 auto; overflow: hidden; border-radius: 10px; background: var(--paper); box-shadow: 0 8px 24px rgba(84,38,20,.12); }
.wechat-qr-link img { display: block; width: 100%; height: auto; }
.wechat-card small, .wechat-card span { display: block; }
.wechat-card strong { display: block; margin: 5px 0; font-size: 22px; }
.wechat-card span { font-size: 11px; }
.qr-enlarge { display: inline-block; margin-top: 12px; color: var(--ink); font-size: 11px; font-weight: 800; border-bottom: 1px solid currentColor; }
.contact-addresses { margin-top: 26px; font-size: 12px; }
.contact-addresses p { display: grid; grid-template-columns: 94px 1fr; margin: 10px 0; }
.lead-form { padding: 36px; border-radius: 22px; background: var(--paper); box-shadow: 0 25px 60px rgba(84,38,20,.15); }
.form-heading { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 26px; }
.form-heading span { font-size: 22px; font-weight: 900; }
.form-heading small { color: var(--muted); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.lead-form label { display: block; margin-bottom: 15px; }
.lead-form label > span { display: block; margin-bottom: 7px; font-size: 12px; font-weight: 800; }
.lead-form input, .lead-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; background: white; padding: 13px 14px; outline: none; }
.lead-form input:focus, .lead-form textarea:focus { border-color: var(--orange-deep); box-shadow: 0 0 0 3px rgba(255,117,75,.13); }
.lead-form textarea { resize: vertical; }
.lead-form button { width: 100%; min-height: 54px; border: 0; border-radius: 10px; background: var(--navy); color: white; font-weight: 800; }
.lead-form button span { margin-left: 14px; }
.lead-form button:disabled { cursor: wait; opacity: .72; transform: none; box-shadow: none; }
.form-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-note { margin: 14px 0 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.form-message { padding: 12px; border-radius: 9px; background: #e5f1ec; color: #1d5945; font-size: 12px; line-height: 1.6; margin-top: 14px; }
.form-message[data-state="submitting"] { background: #edf1f3; color: var(--navy-2); }
.form-message[data-state="error"] { background: #fff0eb; color: #9b351f; }

.site-footer { padding: 70px 0 26px; background: #07171f; color: white; }
.footer-main { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 60px; }
.footer-brand p { color: #8fa4aa; }
.footer-main > div:not(.footer-brand) { display: grid; align-content: start; gap: 12px; font-size: 12px; color: #8fa4aa; }
.footer-main b { color: white; margin-bottom: 10px; }
.footer-main a:hover { color: var(--orange); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 60px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.11); color: #779096; font-size: 10px; }
.floating-consult { position: fixed; z-index: 80; right: 22px; bottom: 28px; display: flex; align-items: center; gap: 10px; padding: 8px 14px 8px 8px; border-radius: 999px; background: var(--navy); color: white; box-shadow: 0 15px 40px rgba(11,31,42,.25); }
.floating-consult span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--orange); color: var(--navy); font-weight: 900; }
.floating-consult b { font-size: 11px; }
.mobile-bottom-cta { display: none; }

.motion-ready [data-reveal] { opacity: 0; filter: blur(10px); transform: translateY(44px); transition: opacity .82s cubic-bezier(.22,1,.36,1), transform .82s cubic-bezier(.22,1,.36,1), filter .82s ease; }
.motion-ready [data-reveal].is-visible { opacity: 1; filter: blur(0); transform: translateY(0); }
.motion-ready [data-reveal-stagger] > * { opacity: 0; transform: translateY(28px); transition: opacity .68s cubic-bezier(.22,1,.36,1), transform .68s cubic-bezier(.22,1,.36,1), box-shadow .22s ease, background .22s ease; }
.motion-ready [data-reveal-stagger].is-visible > * { opacity: 1; transform: translateY(0); }
.motion-ready [data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: .04s; }
.motion-ready [data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: .11s; }
.motion-ready [data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: .18s; }
.motion-ready [data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: .25s; }
.motion-ready [data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: .32s; }
.motion-ready [data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: .39s; }
.motion-ready [data-reveal-stagger].is-visible > *:nth-child(7) { transition-delay: .46s; }
.motion-ready [data-reveal-stagger].is-visible > *:nth-child(8) { transition-delay: .53s; }

.button span, .lead-form button span, .scenario-top i { display: inline-block; transition: transform .18s ease; }
.button:hover span, .lead-form button:hover span, .scenario-grid article:hover .scenario-top i { transform: translateX(4px); }
.header-cta, .floating-consult, .lead-form button { transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.header-cta:hover, .floating-consult:hover, .lead-form button:hover { transform: translateY(-2px); box-shadow: 0 18px 42px rgba(11,31,42,.24); }
.audience-card, .scenario-grid article, .pain-grid article, .case-notes article { position: relative; isolation: isolate; }
.audience-card::before, .scenario-grid article::before, .pain-grid article::before, .case-notes article::before { content: ""; position: absolute; z-index: -1; inset: 0; border-radius: inherit; background: linear-gradient(120deg, transparent 20%, rgba(255,255,255,.24) 48%, transparent 72%); transform: translateX(-120%); transition: transform .75s cubic-bezier(.2,.8,.2,1); pointer-events: none; }
.audience-card:hover::before, .scenario-grid article:hover::before, .pain-grid article:hover::before, .case-notes article:hover::before { transform: translateX(120%); }
.service-list article { transition: padding .3s cubic-bezier(.2,.8,.2,1), background .3s ease; }
.service-list article:hover { padding-right: 24px; padding-left: 24px; background: rgba(255,255,255,.035); }
.method-steps li { transition: padding .26s cubic-bezier(.2,.8,.2,1), background .26s ease; }
.method-steps li:hover { padding-right: 18px; padding-left: 18px; background: rgba(255,255,255,.14); }
.case-card { transition: transform .45s cubic-bezier(.2,.8,.2,1), box-shadow .45s ease; }
.case-card:hover { transform: translateY(-5px); box-shadow: 0 34px 90px rgba(11,31,42,.14); }
.case-image img { transition: transform 1.05s cubic-bezier(.2,.8,.2,1); }
.case-card:hover .case-image img { transform: scale(1.018); }
.training-tags span { transition: transform .2s ease, background .2s ease, color .2s ease; }
.training-tags span:hover { transform: translateY(-3px); background: var(--navy); color: white; }
.connection i { position: relative; overflow: hidden; }
.connection i::after { content: ""; position: absolute; inset: 0; background: var(--orange-deep); transform: translateX(-100%); animation: connection-flow 2.8s ease-in-out infinite; }

@keyframes header-enter { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes hero-line-enter { to { opacity: 1; filter: blur(0); transform: translateY(0) scale(1); } }
@keyframes element-enter { to { opacity: 1; transform: translateY(0); } }
@keyframes console-enter { to { opacity: 1; transform: translateY(0) rotate(1.3deg) scale(1); } }
@keyframes score-enter { to { opacity: 1; transform: translateY(0); } }
@keyframes status-pulse { 0%,100% { box-shadow: 0 0 0 4px rgba(182,229,214,.08); } 50% { box-shadow: 0 0 0 8px rgba(182,229,214,.18); } }
@keyframes orbit-spin { to { transform: rotate(1turn); } }
@keyframes connection-flow { 0%,20% { transform: translateX(-100%); } 70%,100% { transform: translateX(100%); } }
@keyframes morph-orb-one { 0% { transform: translate3d(-4vw,-3vh,0) scale(1) rotate(0); border-radius: 58% 42% 36% 64% / 52% 38% 62% 48%; } 35% { transform: translate3d(13vw,7vh,0) scale(1.08,.92) rotate(110deg); border-radius: 35% 65% 58% 42% / 62% 42% 58% 38%; } 70% { transform: translate3d(4vw,16vh,0) scale(.94,1.08) rotate(245deg); border-radius: 68% 32% 42% 58% / 38% 66% 34% 62%; } 100% { transform: translate3d(-4vw,-3vh,0) scale(1) rotate(1turn); border-radius: 58% 42% 36% 64% / 52% 38% 62% 48%; } }
@keyframes morph-orb-two { 0% { transform: translate3d(7vw,9vh,0) scale(1) rotate(0); border-radius: 44% 56% 68% 32% / 60% 34% 66% 40%; } 45% { transform: translate3d(-16vw,-8vh,0) scale(.9,1.12) rotate(-170deg); border-radius: 66% 34% 38% 62% / 42% 68% 32% 58%; } 75% { transform: translate3d(-4vw,-16vh,0) scale(1.08,.94) rotate(-275deg); border-radius: 34% 66% 52% 48% / 64% 38% 62% 36%; } 100% { transform: translate3d(7vw,9vh,0) scale(1) rotate(-1turn); border-radius: 44% 56% 68% 32% / 60% 34% 66% 40%; } }

@media (max-width: 980px) {
  .desktop-nav, .header-cta { display: none; }
  .mobile-menu { display: block; }
  .hero-layout { grid-template-columns: 1fr; padding-top: 70px; gap: 46px; }
  .hero-console { max-width: 640px; width: 100%; justify-self: center; transform: none; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-grid div:nth-child(3) { border-left: 1px solid rgba(11,31,42,.16); }
  .split-heading, .method-layout, .delivery-card, .founder-layout, .opc-layout, .faq-layout, .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .audience-grid, .scenario-grid { grid-template-columns: 1fr 1fr; }
  .method-sticky, .faq-heading { position: static; }
  .service-list article { grid-template-columns: 60px 1fr; }
  .service-list ul { grid-column: 2; }
  .training-card { grid-template-columns: 1fr; }
  .training-card .button { justify-self: start; }
  .case-card { grid-template-columns: 1fr; }
  .case-image { min-height: 440px; max-height: 620px; }
  .case-notes { grid-template-columns: 1fr; }
  .delivery-map { max-width: 620px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1180px); }
  .site-header .container { width: min(100% - 24px, 1180px); }
  .header-inner { min-height: 62px; }
  .brand-word { font-size: 21px; }
  .brand-cn { display: none; }
  section[id] { scroll-margin-top: 68px; }
  .hero { min-height: auto; }
  .hero-layout { min-height: auto; padding: 52px 0 46px; gap: 38px; }
  .hero h1 { font-size: clamp(39px, 11.8vw, 52px); line-height: 1.06; letter-spacing: -.06em; }
  .hero-subtitle { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
  .button { width: 100%; }
  .text-link { align-self: flex-start; }
  .hero-trust { grid-template-columns: 1fr; gap: 12px; margin-top: 34px; }
  .hero-trust li { display: grid; grid-template-columns: 26px 1fr; }
  .hero-trust b { display: block; margin-bottom: 6px; }
  .console-body { padding: 24px 18px; }
  .score-card { grid-template-columns: 28px 1fr auto; padding: 14px 10px; }
  .score-card strong { font-size: 12px; }
  .proof-grid div { padding: 18px 16px; }
  .proof-grid strong { font-size: 20px; }
  .section { padding: 66px 0; }
  .split-heading { margin-bottom: 36px; }
  .split-heading h2, .centered-heading h2, .method-sticky h2, .delivery-copy h2, .founder-copy h2, .opc-definition h2, .training-card h2, .faq-heading h2, .contact-copy h2 { font-size: 31px; line-height: 1.16; letter-spacing: -.045em; }
  .pain-grid, .audience-grid, .scenario-grid { grid-template-columns: 1fr; }
  .pain-grid article { min-height: 220px; }
  .audience-card { min-height: 0; padding: 34px 24px; }
  .service-list article { grid-template-columns: 38px 1fr; gap: 14px; padding: 34px 0; }
  .service-list ul { grid-column: 2; }
  .service-list h3 { font-size: 27px; }
  .delivery-card { padding: 34px 22px; }
  .delivery-map { grid-template-columns: 1fr; justify-items: center; gap: 8px; }
  .city { width: 150px; }
  .connection { width: 1px; height: 56px; flex-direction: column; position: relative; }
  .connection i { width: 1px; }
  .connection b { position: absolute; transform: translateX(54px); }
  .case-copy { padding: 34px 24px; }
  .case-copy h3 { font-size: 28px; }
  .case-image { min-height: 330px; max-height: 500px; }
  .case-image.landscape { min-height: 280px; padding: 22px; }
  .founder-portrait { min-height: 0; aspect-ratio: 4 / 5; }
  .credential-grid { grid-template-columns: 1fr; }
  .opc-path { padding: 26px 20px; }
  .faq-list summary { grid-template-columns: 28px minmax(0, 1fr) auto; gap: 8px; padding: 22px 0; font-size: 14px; }
  .research-answer { padding-left: 0; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-grid a { min-height: 0; }
  .research-method { padding: 22px 18px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .lead-form { padding: 26px 20px; }
  .wechat-card { align-items: center; }
  .wechat-qr-link { width: 138px; }
  .contact-addresses p { grid-template-columns: 1fr; gap: 4px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .floating-consult { display: none; }
  .mobile-bottom-cta { display: flex; position: fixed; z-index: 90; left: 12px; right: 12px; bottom: 12px; align-items: center; justify-content: space-between; padding: 16px 18px; border-radius: 12px; background: var(--orange); color: var(--navy); font-weight: 900; box-shadow: 0 15px 40px rgba(11,31,42,.28); }
  .site-footer { padding-bottom: 100px; }
}

@media (prefers-reduced-motion: no-preference) {
  .button { transition: transform .22s ease, box-shadow .22s ease, background .22s ease; }
  .audience-card:hover, .scenario-grid article:hover, .pain-grid article:hover, .case-notes article:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}