:root {
  --ink: #0b1220;
  --muted: #64748b;
  --soft: #eef5ff;
  --paper: #f7faff;
  --surface: #ffffff;
  --line: #d8e5f2;
  --line-strong: #b8cde3;
  --blue: #2563eb;
  --blue-2: #0f8fdc;
  --sky: #38bdf8;
  --teal: #14b8a6;
  --amber: #c8912f;
  --navy: #0b1220;
  --shadow: 0 24px 70px rgba(37, 99, 235, 0.11);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: Inter, "SF Pro Display", "Segoe UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; letter-spacing: 0; }
.topbar { position: sticky; top: 0; z-index: 50; display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 28px; padding: 16px 5.2vw; color: var(--ink); background: rgba(255, 255, 255, 0.88); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 13px; min-width: 230px; }
.mark { width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(255,255,255,0) 35%), conic-gradient(from 210deg, #2563eb, #38bdf8, #14b8a6, #2563eb); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.55), 0 16px 34px rgba(37,99,235,0.18); }
.brand strong { display: block; font-size: 19px; line-height: 1; }
.brand small { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; }
.nav { display: flex; justify-content: center; gap: 34px; color: #334155; font-size: 14px; }
.nav a:hover, .text-link:hover { color: var(--blue); }
.top-actions { display: flex; align-items: center; gap: 12px; }
.text-link { color: #334155; font-size: 14px; }
.solid-link, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border-radius: 999px; font-weight: 800; border: 1px solid transparent; }
.solid-link { color: #fff; background: var(--ink); box-shadow: 0 12px 28px rgba(15,23,42,0.14); }
.menu { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.menu span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--ink); }
.hero-deck { min-height: 742px; display: grid; grid-template-columns: minmax(380px, 0.88fr) minmax(560px, 1.12fr); gap: 58px; align-items: center; padding: 72px 5.2vw 58px; color: var(--ink); background: radial-gradient(circle at 18% 18%, rgba(56,189,248,0.20), transparent 32%), radial-gradient(circle at 88% 28%, rgba(20,184,166,0.14), transparent 30%), linear-gradient(180deg, #f8fbff 0%, #eef6ff 100%); position: relative; }
.hero-deck::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(90deg, rgba(37,99,235,0.055) 0 1px, transparent 1px 72px), repeating-linear-gradient(0deg, rgba(37,99,235,0.045) 0 1px, transparent 1px 72px); mask-image: linear-gradient(180deg, rgba(0,0,0,0.85), transparent 82%); }
.hero-copy, .command-surface { position: relative; z-index: 1; }
.status-line, .kicker { display: inline-flex; align-items: center; gap: 10px; color: var(--blue); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.status-line span { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 6px rgba(20,184,166,0.14); }
.hero-copy h1 { margin: 26px 0 24px; max-width: 720px; font-size: 50px; line-height: 1.12; font-weight: 850; overflow-wrap: anywhere; }
.hero-copy h1 span { display: block; }
.hero-copy p { max-width: 640px; color: #415069; font-size: 18px; line-height: 1.88; margin: 0; }
.hero-intro span { display: block; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button.primary { color: #fff; background: linear-gradient(135deg, var(--blue), var(--blue-2)); box-shadow: 0 18px 45px rgba(37,99,235,0.22); }
.button.secondary { color: var(--ink); background: rgba(255,255,255,0.78); border-color: var(--line); }
.signal-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; max-width: 660px; margin-top: 42px; border: 1px solid var(--line); background: var(--line); box-shadow: 0 16px 44px rgba(37,99,235,0.08); }
.signal-metrics div { padding: 18px; background: rgba(255,255,255,0.86); }
.signal-metrics strong { display: block; font-size: 24px; color: var(--ink); }
.signal-metrics span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; }
.command-surface { border: 1px solid var(--line-strong); background: rgba(255,255,255,0.84); box-shadow: var(--shadow); overflow: hidden; backdrop-filter: blur(16px); }
.surface-top { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; padding: 17px 20px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.78); }
.surface-top > div { display: flex; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #94a3b8; }
.dot.active { background: var(--teal); }
.dot.warn { background: #f0b75b; }
.surface-top strong { font-size: 14px; color: var(--ink); }
.surface-top small { justify-self: end; color: #fff; background: var(--teal); border-radius: 999px; padding: 6px 10px; font-weight: 900; }
.surface-grid { display: grid; grid-template-columns: 220px 1fr; gap: 14px; padding: 16px; }
.asset-column, .signal-panel, .decision-panel { border: 1px solid var(--line); background: rgba(255,255,255,0.78); padding: 14px; }
.module-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; color: var(--muted); font-size: 12px; }
.module-title b { color: var(--blue); font-size: 13px; }
.asset-card { display: grid; gap: 8px; padding: 14px; margin-bottom: 10px; border-left: 3px solid #94a3b8; background: #f8fbff; }
.asset-card small { color: var(--muted); }
.asset-card strong { font-size: 17px; color: var(--ink); }
.asset-card span { color: #64748b; font-size: 12px; }
.asset-card.critical { border-color: #ef6f7a; }
.asset-card.warn { border-color: #f0b75b; }
.asset-card.good { border-color: var(--teal); }
.signal-panel { min-height: 350px; color: #eaf2ff; background: linear-gradient(180deg, #111c2e, #0b1220); border-color: rgba(15,23,42,0.88); }
.signal-panel .module-title { color: #b6c4d9; }
.signal-panel .module-title b { color: #fff; }
.signal-panel svg { width: 100%; height: 210px; display: block; }
.grid { stroke: rgba(255,255,255,0.09); stroke-width: 1; }
.trace { fill: none; stroke: url(#trace); stroke-width: 5; stroke-linecap: round; filter: drop-shadow(0 0 10px rgba(56,189,248,0.32)); }
.trace.faint { stroke: rgba(255,255,255,0.25); stroke-width: 2; filter: none; }
.match-row { display: grid; gap: 8px; padding: 14px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); }
.match-row span, .match-row em { color: #b6c4d9; font-style: normal; font-size: 12px; }
.match-row strong { font-size: 18px; color: #fff; }
.decision-panel { grid-column: 1 / -1; }
.decision-panel ol { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; }
.decision-panel li { padding: 12px; color: var(--ink); background: #f2f7ff; font-size: 13px; }
.decision-panel li span { display: block; margin-bottom: 8px; color: var(--blue); font-weight: 900; }
.signal-strip { display: grid; grid-template-columns: 1.2fr repeat(4, 1fr); gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
.signal-strip span, .signal-strip b { padding: 20px 5.2vw 20px 24px; background: #fff; font-size: 14px; }
.signal-strip span { color: var(--muted); }
.signal-strip b { color: var(--ink); font-weight: 850; }
.section { padding: 84px 5.2vw; }
.section-head { max-width: 980px; margin-bottom: 34px; }
.section-head.narrow { max-width: 760px; }
.section h2 { margin: 14px 0 14px; font-size: 34px; line-height: 1.24; color: var(--ink); }
.section p { color: #526176; line-height: 1.9; font-size: 16px; }
.fabric { background: #fff; }
.fabric-board { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); background: var(--line); gap: 1px; box-shadow: 0 16px 46px rgba(37,99,235,0.06); }
.fabric-board article { min-height: 245px; padding: 28px; background: #fbfdff; }
.fabric-board span { color: var(--blue); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.fabric-board h3 { margin: 36px 0 14px; font-size: 23px; }
.fabric-board p { margin: 0; font-size: 15px; }
.solution-lab { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 40px; align-items: start; color: var(--ink); background: linear-gradient(180deg, #f7faff, #edf5ff); }
.solution-lab p { color: #526176; }
.scenario-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); box-shadow: 0 16px 48px rgba(37,99,235,0.08); }
.scenario-grid article { min-height: 186px; display: grid; align-content: space-between; gap: 18px; padding: 24px; background: #fff; }
.scenario-grid small { color: var(--blue); font-weight: 900; }
.scenario-grid strong { font-size: 24px; }
.scenario-grid span { color: #526176; line-height: 1.7; }
.workflow { background: #fff; }
.workflow-rail { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1px; padding: 0; margin: 0; list-style: none; background: var(--line); border: 1px solid var(--line); }
.workflow-rail li { min-height: 224px; padding: 22px; background: #fbfdff; }
.workflow-rail span { color: var(--blue); font-size: 12px; font-weight: 900; }
.workflow-rail strong { display: block; margin-top: 40px; font-size: 21px; }
.workflow-rail p { margin: 12px 0 0; font-size: 14px; }
.contact { background: linear-gradient(180deg, #f7faff, #fff); }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.lead-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding: 28px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.lead-form header, .lead-form .wide, .lead-form .consent, .lead-form button { grid-column: 1 / -1; }
.lead-form header span { color: var(--blue); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.lead-form h3 { margin: 8px 0 8px; font-size: 25px; }
label { display: grid; gap: 8px; color: #1e293b; font-size: 14px; font-weight: 800; }
input, textarea, select { width: 100%; border: 1px solid var(--line); background: #fbfdff; color: var(--ink); min-height: 46px; padding: 11px 12px; outline: none; }
textarea { min-height: 104px; resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(37,99,235,0.12); }
.consent { display: flex; align-items: center; gap: 10px; color: var(--muted); font-weight: 500; }
.consent input { width: 18px; height: 18px; min-height: auto; }
.consent a { color: var(--blue); font-weight: 800; }
.footer { display: flex; justify-content: space-between; gap: 24px; padding: 34px 5.2vw; color: #dbeafe; background: var(--navy); }
.footer strong { display: block; margin-bottom: 6px; font-size: 18px; }
.footer span { color: #9fb2cc; }
.footer .beian-list { display: grid; gap: 8px; margin-top: 10px; }
.footer .beian { color: #9fb2cc; font-size: 13px; }
.footer .police-beian { display: inline-flex; align-items: center; gap: 6px; width: max-content; max-width: 100%; }
.footer .police-beian img { width: 18px; height: 20px; flex: 0 0 auto; }
.footer nav { display: flex; flex-wrap: wrap; gap: 18px; color: #cbd5e1; font-size: 14px; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(18px); opacity: 0; pointer-events: none; min-width: 280px; max-width: 460px; padding: 14px 18px; color: #fff; background: rgba(11,18,32,0.94); border: 1px solid rgba(255,255,255,0.16); box-shadow: var(--shadow); transition: 0.22s ease; z-index: 80; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (max-width: 1180px) { .hero-deck { grid-template-columns: minmax(0, 1fr); } .hero-copy h1 { font-size: 42px; } .fabric-board, .workflow-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); } .solution-lab { grid-template-columns: 1fr; } }
@media (max-width: 860px) { .surface-top { grid-template-columns: auto 1fr auto; } .surface-top strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .command-surface { width: 100%; max-width: 100%; } .topbar { grid-template-columns: auto auto; justify-content: space-between; } .nav, .top-actions { display: none; } .menu { display: block; } .topbar.open .nav, .topbar.open .top-actions { display: grid; grid-column: 1 / -1; justify-content: stretch; gap: 12px; } .hero-deck { min-height: auto; padding-top: 48px; grid-template-columns: minmax(0, 1fr); } .hero-copy, .command-surface, .surface-grid, .signal-panel, .asset-column, .decision-panel { min-width: 0; } .hero-copy h1 { font-size: 33px; } .hero-copy p { font-size: 16px; } .surface-grid, .decision-panel ol, .signal-strip, .contact-grid, .lead-form, .scenario-grid { grid-template-columns: 1fr; } .decision-panel { grid-column: auto; } .signal-metrics { grid-template-columns: 1fr; } .section { padding: 58px 22px; } .section h2 { font-size: 28px; } .footer { display: grid; } }
@media (max-width: 560px) { .topbar { padding: 14px 18px; } .brand { min-width: 0; } .brand small { display: none; } .hero-deck { display: block; width: 100vw; padding: 36px 18px; overflow: hidden; } .hero-copy, .hero-actions, .signal-metrics, .command-surface, .button, .hero-copy h1, .hero-copy p { width: calc(100vw - 60px); max-width: calc(100vw - 60px); } .hero-copy h1 { font-size: 25px; line-height: 1.25; word-break: keep-all; } .hero-copy p { font-size: 14px; line-height: 1.78; } .hero-actions { display: grid; } .surface-top { grid-template-columns: auto minmax(0,1fr); } .surface-top small { display: none; } .fabric-board, .workflow-rail { grid-template-columns: 1fr; } .command-surface { margin: 40px 0 0; } }