:root {
    color-scheme: dark;
    --business-bg: #050b14;
    --business-panel: rgba(10, 22, 36, 0.76);
    --business-panel-strong: #0b1827;
    --business-line: rgba(125, 211, 252, 0.15);
    --business-text: #edf8ff;
    --business-muted: #8ea4b8;
    --business-cyan: #54e7ff;
    --business-blue: #4f8cff;
    --business-violet: #9b76ff;
    --business-green: #38e6a2;
    --business-container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--business-bg); }

body {
    min-width: 320px;
    margin: 0;
    overflow-x: hidden;
    color: var(--business-text);
    background: var(--business-bg);
    font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.business-container { width: min(var(--business-container), calc(100% - 40px)); margin-inline: auto; }

.business-ambient,
.business-grid-layer,
.business-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
}

.business-ambient { z-index: 0; overflow: hidden; }
.business-grid-layer {
    opacity: 0.36;
    background-image: linear-gradient(rgba(84, 231, 255, 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(84, 231, 255, 0.045) 1px, transparent 1px);
    background-size: 58px 58px;
    mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
}
.business-glow { filter: blur(110px); opacity: 0.18; }
.business-glow-one { inset: -20% 45% 45% -20%; background: var(--business-blue); animation: businessGlow 10s ease-in-out infinite alternate; }
.business-glow-two { inset: 25% -20% -25% 60%; background: var(--business-violet); animation: businessGlow 12s ease-in-out infinite alternate-reverse; }

.business-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(125, 211, 252, 0.1);
    background: rgba(5, 11, 20, 0.78);
    backdrop-filter: blur(18px) saturate(140%);
}
.business-nav-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.business-brand { display: inline-flex; align-items: center; gap: 12px; }
.business-brand-mark {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(84, 231, 255, 0.42);
    border-radius: 13px;
    color: var(--business-cyan);
    background: linear-gradient(145deg, rgba(84, 231, 255, 0.13), rgba(155, 118, 255, 0.08));
    box-shadow: inset 0 0 22px rgba(84, 231, 255, 0.08), 0 0 25px rgba(84, 231, 255, 0.07);
    font-size: 13px;
    font-weight: 900;
}
.business-brand-copy { display: grid; line-height: 1.2; }
.business-brand-copy strong { font-size: 16px; letter-spacing: 0.08em; }
.business-brand-copy small { margin-top: 3px; color: #6f8498; font-size: 8px; letter-spacing: 0.2em; }
.business-nav-links { display: flex; align-items: center; gap: 6px; }
.business-nav-links a { padding: 9px 13px; border-radius: 9px; color: #9eb1c3; font-size: 13px; font-weight: 700; transition: 0.2s ease; }
.business-nav-links a:hover, .business-nav-links a.is-active { color: #fff; background: rgba(84, 231, 255, 0.08); }

main, .business-footer { position: relative; z-index: 1; }
.business-hero { min-height: 700px; display: grid; align-items: center; padding: 92px 0 88px; }
.business-hero-layout { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(400px, 0.96fr); align-items: center; gap: 70px; }
.business-eyebrow { display: flex; align-items: center; gap: 10px; color: var(--business-cyan); font-size: 12px; font-weight: 800; letter-spacing: 0.2em; }
.business-eyebrow span { width: 32px; height: 1px; background: linear-gradient(90deg, var(--business-cyan), transparent); }
.business-hero h1 { margin: 18px 0 20px; font-size: clamp(60px, 7vw, 100px); line-height: 0.98; letter-spacing: -0.06em; background: linear-gradient(120deg, #fff 15%, #9aeaff 48%, #9d86ff 88%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.business-hero-lead { max-width: 640px; margin: 0; color: #a9bac9; font-size: 18px; line-height: 1.9; }
.business-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.business-btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 24px; border: 1px solid transparent; border-radius: 12px; font-size: 14px; font-weight: 800; transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease; }
.business-btn:hover { transform: translateY(-2px); }
.business-btn-primary { color: #041019; background: linear-gradient(135deg, #68edff, #75a7ff); box-shadow: 0 14px 38px rgba(62, 195, 255, 0.2); }
.business-btn-primary:hover { box-shadow: 0 18px 45px rgba(62, 195, 255, 0.3); }
.business-btn-ghost { border-color: rgba(125, 211, 252, 0.26); color: #dff8ff; background: rgba(84, 231, 255, 0.045); }
.business-btn-ghost:hover { border-color: rgba(84, 231, 255, 0.5); background: rgba(84, 231, 255, 0.08); }
.business-hero-meta { display: flex; align-items: center; gap: 34px; margin-top: 46px; }
.business-hero-meta div { display: grid; gap: 3px; }
.business-hero-meta strong { font-size: 25px; line-height: 1; }
.business-hero-meta span { color: #72899d; font-size: 11px; }

.business-orbit { position: relative; width: min(490px, 100%); aspect-ratio: 1; margin-inline: auto; }
.orbit-ring { position: absolute; inset: 12%; border: 1px solid rgba(84, 231, 255, 0.17); border-radius: 50%; animation: orbitRotate 24s linear infinite; }
.orbit-ring::before, .orbit-ring::after { content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--business-cyan); box-shadow: 0 0 18px var(--business-cyan); }
.orbit-ring::before { top: 13%; left: 15%; }
.orbit-ring::after { right: 8%; bottom: 22%; background: var(--business-violet); box-shadow: 0 0 18px var(--business-violet); }
.orbit-ring-two { inset: 25%; border-style: dashed; animation-duration: 16s; animation-direction: reverse; }
.orbit-core { position: absolute; inset: 35%; display: grid; place-content: center; text-align: center; border: 1px solid rgba(84, 231, 255, 0.42); border-radius: 28%; background: radial-gradient(circle, rgba(84, 231, 255, 0.2), rgba(8, 23, 38, 0.92) 64%); box-shadow: inset 0 0 40px rgba(84, 231, 255, 0.12), 0 0 60px rgba(54, 199, 255, 0.15); transform: rotate(45deg); }
.orbit-core span, .orbit-core small { transform: rotate(-45deg); }
.orbit-core span { color: #aef5ff; font-size: 38px; font-weight: 900; line-height: 1; }
.orbit-core small { margin-top: 8px; color: #7894a8; font-size: 8px; letter-spacing: 0.16em; }
.orbit-node { position: absolute; width: 86px; height: 68px; display: grid; place-content: center; text-align: center; border: 1px solid rgba(125, 211, 252, 0.22); border-radius: 16px; background: rgba(7, 20, 34, 0.88); box-shadow: 0 18px 45px rgba(0,0,0,0.28); backdrop-filter: blur(14px); animation: nodeFloat 4s ease-in-out infinite; }
.orbit-node span { color: var(--business-cyan); font-size: 13px; font-weight: 900; letter-spacing: 0.08em; }
.orbit-node small { color: #73899c; font-size: 9px; }
.orbit-node-ai { top: 7%; left: 38%; }
.orbit-node-web { top: 34%; right: 0; animation-delay: -1s; }
.orbit-node-cloud { bottom: 8%; right: 24%; animation-delay: -2s; }
.orbit-node-game { bottom: 20%; left: 0; animation-delay: -3s; }
.orbit-pulse { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: #4be6ff; box-shadow: 0 0 18px #4be6ff; animation: pulseBlink 1.5s ease-in-out infinite; }
.orbit-pulse-one { top: 27%; left: 20%; }
.orbit-pulse-two { right: 21%; bottom: 27%; animation-delay: -0.75s; }

.business-catalog { padding: 108px 0; border-top: 1px solid rgba(125, 211, 252, 0.08); background: linear-gradient(180deg, rgba(9, 20, 33, 0.7), rgba(5, 11, 20, 0.88)); }
.business-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 34px; }
.business-section-kicker { color: var(--business-cyan); font-size: 11px; font-weight: 900; letter-spacing: 0.22em; }
.business-section-heading h2 { margin: 8px 0 8px; font-size: clamp(32px, 4vw, 48px); line-height: 1.15; letter-spacing: -0.035em; }
.business-section-heading p { max-width: 690px; margin: 0; color: var(--business-muted); }
.business-search { position: relative; width: min(340px, 100%); flex: 0 0 auto; }
.business-search svg { position: absolute; top: 50%; left: 17px; width: 18px; height: 18px; color: #7892a7; transform: translateY(-50%); pointer-events: none; }
.business-search input { width: 100%; height: 48px; border: 1px solid rgba(125, 211, 252, 0.16); border-radius: 13px; padding: 0 18px 0 46px; outline: none; color: #eaf8ff; background: rgba(7, 18, 30, 0.72); transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.business-search input::placeholder { color: #647b8f; }
.business-search input:focus { border-color: rgba(84, 231, 255, 0.48); box-shadow: 0 0 0 4px rgba(84, 231, 255, 0.07); }
.business-filter { display: flex; flex-wrap: wrap; gap: 10px; }
.business-filter button { min-height: 38px; border: 1px solid rgba(125, 211, 252, 0.14); border-radius: 999px; padding: 0 17px; color: #8fa6b9; background: rgba(10, 24, 39, 0.7); cursor: pointer; transition: 0.2s ease; }
.business-filter button:hover { color: #eafaff; border-color: rgba(84, 231, 255, 0.34); }
.business-filter button.is-active { border-color: rgba(84, 231, 255, 0.44); color: #dffcff; background: linear-gradient(135deg, rgba(84, 231, 255, 0.14), rgba(79, 140, 255, 0.11)); box-shadow: inset 0 0 18px rgba(84, 231, 255, 0.05); }
.business-result-line { display: flex; justify-content: space-between; gap: 20px; margin: 25px 0 18px; color: #71899c; font-size: 12px; }
.business-result-line span { display: inline-flex; align-items: center; gap: 7px; }
.business-result-line i { width: 6px; height: 6px; border-radius: 50%; background: var(--business-green); box-shadow: 0 0 12px var(--business-green); }
.business-result-line strong { color: #bcefff; }
.business-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.directory-card { --card-accent: var(--business-cyan); position: relative; min-height: 410px; display: flex; flex-direction: column; overflow: hidden; border: 1px solid rgba(125, 211, 252, 0.13); border-radius: 20px; padding: 24px; background: linear-gradient(155deg, rgba(13, 29, 47, 0.9), rgba(7, 17, 29, 0.83)); box-shadow: 0 22px 55px rgba(0,0,0,0.18); transition: transform 0.26s ease, border-color 0.26s ease, box-shadow 0.26s ease; }
.directory-card::before { content: ""; position: absolute; inset: 0; opacity: 0; background: radial-gradient(circle at 20% 0%, color-mix(in srgb, var(--card-accent) 18%, transparent), transparent 42%); transition: opacity 0.26s ease; pointer-events: none; }
.directory-card::after { content: ""; position: absolute; top: 0; left: 24px; right: 24px; height: 1px; background: linear-gradient(90deg, transparent, var(--card-accent), transparent); opacity: 0.46; }
.directory-card:hover { transform: translateY(-7px); border-color: color-mix(in srgb, var(--card-accent) 42%, transparent); box-shadow: 0 30px 75px rgba(0,0,0,0.3), 0 0 35px color-mix(in srgb, var(--card-accent) 8%, transparent); }
.directory-card:hover::before { opacity: 1; }
.directory-card[hidden] { display: none; }
.directory-card-top { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.directory-icon { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid color-mix(in srgb, var(--card-accent) 32%, transparent); border-radius: 14px; padding: 11px; color: var(--card-accent); background: color-mix(in srgb, var(--card-accent) 8%, transparent); }
.directory-category { border-radius: 999px; padding: 5px 10px; color: color-mix(in srgb, var(--card-accent) 82%, #fff); background: color-mix(in srgb, var(--card-accent) 7%, transparent); font-size: 10px; font-weight: 800; letter-spacing: 0.08em; }
.directory-card h3 { position: relative; margin: 25px 0 10px; font-size: 22px; letter-spacing: -0.02em; }
.directory-card > p { position: relative; min-height: 78px; margin: 0; color: #8fa5b7; font-size: 14px; line-height: 1.8; }
.directory-card ul { position: relative; display: grid; gap: 8px; margin: 20px 0 26px; padding: 0; list-style: none; color: #b7c8d5; font-size: 12px; }
.directory-card li { display: flex; align-items: center; gap: 8px; }
.directory-card li::before { content: ""; width: 5px; height: 5px; flex: 0 0 auto; border-radius: 50%; background: var(--card-accent); box-shadow: 0 0 10px color-mix(in srgb, var(--card-accent) 60%, transparent); }
.directory-action { position: relative; margin-top: auto; min-height: 42px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(125, 211, 252, 0.1); padding-top: 18px; color: #d9f7ff; font-size: 13px; font-weight: 800; }
.directory-action span { color: var(--card-accent); font-size: 18px; transition: transform 0.2s ease; }
.directory-action:hover span { transform: translateX(4px); }
.card-blue { --card-accent: #5aa2ff; }
.card-violet { --card-accent: #a783ff; }
.card-sky { --card-accent: #5ce8ff; }
.card-indigo { --card-accent: #7589ff; }
.card-emerald { --card-accent: #44e7a6; }
.card-orange { --card-accent: #ffad63; }
.card-lime { --card-accent: #a4f06d; }
.card-rose { --card-accent: #ff7f9d; }
.business-empty { padding: 70px 20px; text-align: center; border: 1px dashed rgba(125, 211, 252, 0.18); border-radius: 20px; color: #8ba1b4; }
.business-empty span { color: #e7f7ff; font-size: 22px; font-weight: 800; }
.business-empty p { margin: 8px 0 18px; }
.business-empty a { color: var(--business-cyan); font-weight: 800; }

.business-process { padding: 108px 0 90px; }
.business-process-heading { margin-bottom: 30px; }
.business-process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.business-process-grid article { min-height: 160px; display: flex; gap: 20px; border: 1px solid var(--business-line); border-radius: 18px; padding: 25px; background: rgba(9, 21, 35, 0.68); }
.business-process-grid article > span { color: rgba(84, 231, 255, 0.38); font-size: 30px; font-weight: 900; line-height: 1; }
.business-process-grid h3 { margin: 0 0 8px; font-size: 18px; }
.business-process-grid p { margin: 0; color: var(--business-muted); font-size: 13px; }
.business-contact-panel { margin-top: 26px; display: flex; align-items: center; justify-content: space-between; gap: 40px; overflow: hidden; border: 1px solid rgba(84, 231, 255, 0.2); border-radius: 24px; padding: 38px 42px; background: radial-gradient(circle at 10% 0%, rgba(84, 231, 255, 0.12), transparent 38%), linear-gradient(135deg, rgba(11, 31, 49, 0.9), rgba(14, 20, 43, 0.85)); box-shadow: 0 24px 70px rgba(0,0,0,0.22); }
.business-contact-panel span { color: var(--business-cyan); font-size: 10px; font-weight: 900; letter-spacing: 0.2em; }
.business-contact-panel h2 { margin: 6px 0 7px; font-size: 28px; }
.business-contact-panel p { margin: 0; color: var(--business-muted); }
.business-contact-panel .business-btn { flex: 0 0 auto; }

.business-footer { border-top: 1px solid rgba(125, 211, 252, 0.1); background: rgba(3, 8, 14, 0.8); }
.business-footer-inner { min-height: 150px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px 40px; }
.business-footer-inner > div { display: grid; }
.business-footer strong { font-size: 18px; }
.business-footer span, .business-footer p { color: #667d90; font-size: 11px; }
.business-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; color: #8ea4b7; font-size: 12px; }
.business-footer nav a:hover { color: var(--business-cyan); }
.business-footer p { grid-column: 1 / -1; margin: -28px 0 24px; }

.directory-card.is-entering { animation: cardEnter 0.38s ease both; }

@keyframes businessGlow { to { transform: translate3d(6%, 4%, 0) scale(1.08); } }
@keyframes orbitRotate { to { transform: rotate(360deg); } }
@keyframes nodeFloat { 50% { transform: translateY(-8px); } }
@keyframes pulseBlink { 50% { opacity: 0.3; transform: scale(0.7); } }
@keyframes cardEnter { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 980px) {
    .business-hero { min-height: auto; padding-top: 80px; }
    .business-hero-layout { grid-template-columns: 1fr; gap: 40px; }
    .business-hero-copy { text-align: center; }
    .business-eyebrow, .business-hero-actions, .business-hero-meta { justify-content: center; }
    .business-hero-lead { margin-inline: auto; }
    .business-orbit { width: min(440px, 86vw); }
    .business-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .business-section-heading { align-items: start; flex-direction: column; }
    .business-search { width: 100%; }
    .business-process-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
    .business-container { width: min(100% - 28px, var(--business-container)); }
    .business-nav-inner { min-height: 68px; }
    .business-brand-copy small { display: none; }
    .business-nav-links { gap: 0; overflow-x: auto; }
    .business-nav-links a { white-space: nowrap; padding: 8px 9px; font-size: 11px; }
    .business-nav-links a:nth-child(3) { display: none; }
    .business-hero { padding: 70px 0 66px; }
    .business-hero h1 { font-size: clamp(52px, 18vw, 76px); }
    .business-hero-lead { font-size: 15px; line-height: 1.8; }
    .business-hero-actions { flex-direction: column; }
    .business-btn { width: 100%; }
    .business-hero-meta { gap: 22px; }
    .business-hero-meta strong { font-size: 21px; }
    .business-orbit { width: min(340px, 90vw); }
    .orbit-node { width: 72px; height: 58px; border-radius: 13px; }
    .business-catalog, .business-process { padding: 76px 0; }
    .business-section-heading h2 { font-size: 34px; }
    .business-filter { display: grid; grid-template-columns: repeat(2, 1fr); }
    .business-filter button:first-child { grid-column: 1 / -1; }
    .business-result-line { align-items: flex-start; flex-direction: column; gap: 5px; }
    .business-card-grid { grid-template-columns: 1fr; }
    .directory-card { min-height: 390px; }
    .business-contact-panel { align-items: flex-start; flex-direction: column; padding: 30px 24px; }
    .business-footer-inner { grid-template-columns: 1fr; padding: 34px 0; }
    .business-footer nav { justify-content: flex-start; }
    .business-footer p { grid-column: auto; margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}