@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg: #071321;
  --bg-deep: #05101c;
  --surface: #0d1c2d;
  --surface-2: #12283b;
  --surface-3: #18354b;
  --line: rgba(153, 193, 221, .17);
  --line-strong: rgba(153, 193, 221, .30);
  --text: #eff7ff;
  --text-muted: #98aec2;
  --text-soft: #c4d5e3;
  --blue: #5ab4ff;
  --blue-2: #3188ff;
  --mint: #7de4c2;
  --lime: #bef49f;
  --red: #ff8a90;
  --shadow: 0 24px 70px rgba(2, 12, 24, .34);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1240px;
  --header-h: 76px;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #f4f9fd;
  --bg-deep: #eaf3fb;
  --surface: #ffffff;
  --surface-2: #edf6fc;
  --surface-3: #dfeefa;
  --line: rgba(23, 73, 112, .14);
  --line-strong: rgba(23, 73, 112, .24);
  --text: #0a2438;
  --text-muted: #61798d;
  --text-soft: #35536c;
  --blue: #187ce5;
  --blue-2: #1464c4;
  --mint: #128d72;
  --lime: #427f27;
  --red: #c04b5b;
  --shadow: 0 24px 60px rgba(30, 89, 132, .13);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: 'Manrope', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--mint); outline-offset: 3px; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 1.08em; height: 1.08em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: fixed; z-index: 40; inset: 0 0 auto; height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: background .3s, border-color .3s;
}
.site-header.scrolled { border-color: var(--line); background: color-mix(in srgb, var(--bg) 92%, transparent); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand-mark { width: 32px; height: 32px; display: inline-flex; align-items: flex-end; gap: 3px; transform: skew(-18deg); }
.brand-mark i { display: block; width: 7px; border-radius: 3px 3px 2px 2px; background: linear-gradient(180deg, var(--mint), var(--blue)); }
.brand-mark i:nth-child(1) { height: 18px; opacity: .72; }
.brand-mark i:nth-child(2) { height: 26px; }
.brand-mark i:nth-child(3) { height: 32px; opacity: .78; }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: 17px; letter-spacing: .04em; font-weight: 800; }
.brand-copy small { color: var(--text-muted); font-size: 10px; margin-top: 4px; letter-spacing: .12em; }
.desktop-nav { display: flex; align-items: center; gap: clamp(16px, 2.7vw, 36px); margin-left: auto; }
.desktop-nav a, .mobile-nav a { color: var(--text-muted); font-size: 14px; font-weight: 600; transition: color .2s; }
.desktop-nav a:hover, .mobile-nav a:hover { color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle, .mobile-menu-toggle { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); display: grid; place-items: center; width: 40px; height: 40px; cursor: pointer; transition: .2s; }
.theme-toggle:hover, .mobile-menu-toggle:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-1px); }
.theme-toggle .icon { display: none; font-size: 17px; }
html[data-theme="dark"] .theme-toggle .icon-sun, html[data-theme="light"] .theme-toggle .icon-moon { display: block; }
.mobile-menu-toggle { display: none; }
.mobile-nav { display: none; }

.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 10px; padding: 0 20px; border: 1px solid transparent; font-size: 14px; font-weight: 700; white-space: nowrap; cursor: pointer; transition: transform .2s, background .2s, border-color .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #062139; background: linear-gradient(135deg, var(--mint), var(--blue)); box-shadow: 0 12px 30px rgba(62, 182, 218, .2); }
.button-primary:hover { box-shadow: 0 16px 35px rgba(62, 182, 218, .32); }
.button-ghost, .button-outline, .button-outline-light { background: transparent; color: var(--text); border-color: var(--line-strong); }
.button-ghost:hover, .button-outline:hover, .button-outline-light:hover { border-color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, transparent); }
.button-outline-light { color: var(--text); border-color: rgba(255,255,255,.32); }
.button-small { min-height: 38px; padding-inline: 15px; font-size: 13px; }
.button-large { min-height: 52px; padding-inline: 23px; }
.button-full { width: 100%; }

.section { position: relative; padding: 118px 0; overflow: hidden; }
.section-dark { background: var(--bg); }
.section-light { color: var(--text); background: var(--surface); }
.section-navy { color: var(--text); background: var(--bg-deep); }
.section-heading { max-width: 720px; margin-bottom: 54px; position: relative; z-index: 1; }
.section-heading.centered { max-width: 720px; text-align: center; margin-inline: auto; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .65fr); align-items: end; gap: 70px; max-width: none; }
.section-kicker, .mode-eyebrow { margin: 0 0 14px; color: var(--blue); font-family: 'Manrope', sans-serif; font-size: 11px; letter-spacing: .18em; font-weight: 800; }
.section-heading h2 { margin: 0; font-size: clamp(33px, 4vw, 56px); line-height: 1.12; letter-spacing: -.045em; font-weight: 800; }
.section-heading h2 span, .section-heading h2 em { color: var(--blue); font-style: normal; }
.section-intro { margin: 0; color: var(--text-muted); font-size: 15px; line-height: 1.8; }

.hero { min-height: 790px; padding: calc(var(--header-h) + 104px) 0 36px; isolation: isolate; }
.hero-grid, .section-grid-lines { position: absolute; inset: 0; pointer-events: none; opacity: .42; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(180deg, rgba(0,0,0,.56), transparent 72%); }
.hero-glow { position: absolute; border-radius: 999px; filter: blur(5px); pointer-events: none; opacity: .6; }
.hero-glow-a { width: 650px; height: 650px; top: 80px; right: 0; background: radial-gradient(circle, rgba(55,139,255,.23), transparent 68%); }
.hero-glow-b { width: 470px; height: 470px; bottom: -260px; left: -140px; background: radial-gradient(circle, rgba(73,215,177,.16), transparent 70%); }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(460px, .94fr); align-items: center; column-gap: 72px; row-gap: 30px; position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--mint); font-size: 12px; letter-spacing: .09em; font-weight: 700; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px rgba(125,228,194,.11), 0 0 18px var(--mint); }
.hero h1 { margin: 20px 0 24px; max-width: 630px; font-size: clamp(46px, 4.8vw, 68px); line-height: 1.08; letter-spacing: 0; font-weight: 800; }
.hero-title-line { display: block; color: var(--text); white-space: nowrap; }
.hero-title-line .hero-title-accent { color: var(--blue); }
.hero-lead { max-width: 610px; margin: 0; color: var(--text-muted); font-size: clamp(16px, 1.55vw, 19px); line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-trust-list { display: flex; flex-wrap: wrap; gap: 15px 22px; margin-top: 28px; color: var(--text-soft); font-size: 12px; }
.hero-trust-list span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust-list .icon { color: var(--mint); font-size: 13px; }
.hero-platforms { grid-column: 1 / -1; margin-top: 0; padding-top: 17px; border-top: 1px solid var(--line); }
.hero-platform-label { display: block; margin-bottom: 11px; color: var(--text-muted); font-size: 10px; font-weight: 700; }
.hero-platforms ul { display: grid; grid-template-columns: repeat(8, auto); align-items: center; justify-content: space-between; gap: 14px; margin: 0; padding: 0; list-style: none; }
.hero-platforms li { display: inline-flex; align-items: center; gap: 10px; min-width: max-content; }
.hero-platforms strong { color: var(--text-soft); font-size: 14px; font-weight: 700; }
.hero-platform-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; color: #fff; font: 900 16px/1 'Manrope', 'Noto Sans SC', sans-serif; box-shadow: 0 6px 16px rgba(0,0,0,.16); }
.hero-platform-douyin { background: #111; font-size: 22px; text-shadow: 2px 1px #fe2c55, -2px -1px #25f4ee; }
.hero-platform-meituan { color: #1c1c1c; background: #ffd100; }
.hero-platform-eleme { background: #1677ff; font-size: 18px; font-style: italic; }
.hero-platform-jd { background: #e2231a; font-size: 12px; letter-spacing: 0; }
.hero-platform-kuaishou { background: linear-gradient(145deg, #ff7a1a, #ff3b30); }
.hero-platform-red { background: #ff2442; font-size: 10px; letter-spacing: 0; }
.hero-platform-taobao { background: #ff5000; }
.hero-platform-amap { background: linear-gradient(145deg, #27a7ff, #1769e0); }
.hero-platform-dianping { background: #ff6633; }
.hero-platform-ctrip { background: linear-gradient(145deg, #39a7f2, #1769c2); }
.hero-visual { min-height: 485px; position: relative; display: grid; place-items: center; }
.visual-orbit { position: absolute; border: 1px solid rgba(90,180,255,.22); border-radius: 50%; transform: rotate(-20deg); }
.orbit-a { width: 530px; height: 250px; }
.orbit-b { width: 380px; height: 420px; transform: rotate(35deg); border-color: rgba(125,228,194,.18); }
.flow-panel { position: relative; width: min(100%, 540px); border: 1px solid rgba(145,205,237,.22); border-radius: 22px; background: linear-gradient(145deg, rgba(18,40,60,.88), rgba(8,22,36,.9)); box-shadow: var(--shadow), inset 0 1px rgba(255,255,255,.08); padding: 25px 24px 18px; backdrop-filter: blur(15px); z-index: 1; }
html[data-theme="light"] .flow-panel { background: linear-gradient(145deg, rgba(255,255,255,.94), rgba(235,246,255,.96)); }
.flow-panel-top, .result-top, .form-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--text-soft); font-size: 12px; }
.live-indicator, .result-live, .form-status { display: inline-flex; align-items: center; gap: 6px; color: var(--mint); font-size: 10px; letter-spacing: .1em; font-weight: 800; }
.live-indicator i, .result-live i, .form-status i { width: 6px; height: 6px; background: currentColor; border-radius: 50%; box-shadow: 0 0 0 4px color-mix(in srgb, currentColor 15%, transparent); }
.flow-node-row { display: grid; grid-template-columns: 1fr 35px 1fr 35px 1fr; align-items: center; gap: 7px; margin: 32px 0 25px; }
.flow-node { text-align: center; min-width: 0; }
.node-icon { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: 13px; background: color-mix(in srgb, var(--blue) 12%, transparent); color: var(--blue); margin: 0 auto 10px; font-size: 18px; font-weight: 800; }
.node-platform .node-icon { color: var(--mint); background: color-mix(in srgb, var(--mint) 12%, transparent); }
.node-engine .node-icon { color: #b5b8ff; background: rgba(166,154,255,.12); }
.node-icon .icon { width: 20px; }
.flow-node small, .split-result small { display: block; color: var(--text-muted); font-size: 10px; }
.flow-node strong { display: block; margin-top: 3px; font-size: 13px; white-space: nowrap; }
.flow-line { position: relative; height: 1px; background: var(--line-strong); }
.flow-line i { position: absolute; top: -3px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); animation: flowDot 2.4s infinite linear; }
.flow-line:nth-of-type(4) i { animation-delay: 1.2s; }
@keyframes flowDot { from { transform: translateX(0); opacity: .2; } 20% { opacity: 1; } to { transform: translateX(28px); opacity: .15; } }
.flow-divider { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: center; color: var(--blue); }
.flow-divider span { height: 1px; background: linear-gradient(90deg, transparent, var(--line-strong)); }
.flow-divider span:last-child { transform: rotate(180deg); }
.flow-divider small { font-size: 10px; white-space: nowrap; }
.split-result-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 20px; }
.split-result { display: flex; gap: 8px; align-items: center; padding: 10px 9px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.03); }
.split-result strong { display: block; font-size: 12px; margin-top: 3px; letter-spacing: -.02em; }
.result-dot { width: 7px; height: 7px; border-radius: 50%; flex: 0 0 auto; }
.result-dot.merchant { background: var(--mint); box-shadow: 0 0 10px var(--mint); }
.result-dot.service { background: var(--blue); box-shadow: 0 0 10px var(--blue); }
.result-dot.partner { background: #c4a4ff; box-shadow: 0 0 10px #c4a4ff; }
.flow-panel-foot { display: flex; justify-content: space-between; gap: 8px; padding-top: 17px; margin-top: 17px; border-top: 1px solid var(--line); color: var(--text-muted); font-size: 10px; }
.flow-panel-foot span { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.floating-data-chip { position: absolute; z-index: 2; display: flex; align-items: center; gap: 9px; border: 1px solid var(--line-strong); border-radius: 13px; background: color-mix(in srgb, var(--surface) 88%, transparent); padding: 10px 12px; box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.chip-one { top: 43px; right: -20px; }
.chip-two { bottom: 27px; left: -12px; }
.chip-icon { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; color: var(--mint); background: rgba(125,228,194,.12); }
.floating-data-chip small { display: block; color: var(--text-muted); font-size: 9px; }
.floating-data-chip strong { display: block; font-size: 12px; }
.floating-data-chip b { color: var(--mint); font-size: 10px; margin-left: 5px; }
.hero-bottom { display: flex; justify-content: space-between; gap: 16px; position: relative; z-index: 2; margin-top: 80px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--text-muted); font-size: 12px; }

.pain-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: stretch; }
.pain-list { display: grid; gap: 0; }
.pain-item { display: grid; grid-template-columns: 42px 1fr 32px; gap: 20px; align-items: start; padding: 25px 0; border-top: 1px solid var(--line); cursor: default; transition: border-color .25s, transform .25s; }
.pain-item:last-child { border-bottom: 1px solid var(--line); }
.pain-item:hover, .pain-item.is-active { border-color: var(--blue); transform: translateX(5px); }
.pain-number { color: var(--blue); font-family: 'Manrope', sans-serif; font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.pain-item h3 { margin: 0 0 7px; font-size: 19px; }
.pain-item p { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.75; }
.pain-arrow { display: grid; place-items: center; color: var(--text-muted); font-size: 17px; transition: color .2s; }
.pain-item:hover .pain-arrow, .pain-item.is-active .pain-arrow { color: var(--blue); }
.efficiency-card { align-self: center; min-height: 300px; padding: 28px; border-radius: var(--radius-lg); background: linear-gradient(145deg, var(--surface-2), var(--surface)); border: 1px solid var(--line); box-shadow: var(--shadow); }
.efficiency-head { display: flex; justify-content: space-between; margin-bottom: 27px; font-size: 13px; font-weight: 700; }
.status-pill { color: var(--mint); border: 1px solid rgba(125,228,194,.32); border-radius: 999px; padding: 4px 8px; font-size: 10px; font-weight: 700; }
.efficiency-metric { margin-top: 18px; }
.efficiency-metric small { display: block; color: var(--text-muted); font-size: 12px; }
.efficiency-metric strong { display: block; margin: 2px 0 9px; font-size: 37px; letter-spacing: -.06em; }
.efficiency-metric strong span { margin-left: 5px; color: var(--text-muted); font-size: 14px; letter-spacing: 0; }
.metric-bar { height: 6px; border-radius: 99px; background: color-mix(in srgb, var(--text-muted) 13%, transparent); overflow: hidden; }
.metric-bar i { display: block; height: 100%; border-radius: inherit; }
.metric-bar-red i { background: linear-gradient(90deg, #ff7a86, #ffb07e); }
.metric-bar-green i { background: linear-gradient(90deg, var(--mint), var(--blue)); }
.efficiency-note { display: flex; gap: 9px; padding-top: 22px; margin-top: 22px; border-top: 1px solid var(--line); color: var(--text-muted); font-size: 12px; }
.efficiency-note .icon { color: var(--mint); margin-top: 3px; }
.efficiency-note p { margin: 0; }

.section-capabilities { isolation: isolate; }
.section-capabilities .section-grid-lines { opacity: .22; mask-image: linear-gradient(180deg, rgba(0,0,0,.7), transparent); }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; position: relative; z-index: 1; }
.capability-card { position: relative; min-height: 280px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: linear-gradient(145deg, color-mix(in srgb, var(--surface-2) 94%, transparent), color-mix(in srgb, var(--surface) 90%, transparent)); transition: transform .25s, border-color .25s, box-shadow .25s; overflow: hidden; }
.capability-card:hover { border-color: color-mix(in srgb, var(--blue) 65%, var(--line)); transform: translateY(-5px); box-shadow: 0 18px 40px rgba(0,0,0,.16); }
.capability-feature { grid-column: span 2; background: linear-gradient(135deg, rgba(49,136,255,.22), rgba(16,47,68,.72)); }
html[data-theme="light"] .capability-feature { background: linear-gradient(135deg, #e3f4ff, #f1fafe); }
.capability-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 13px; color: var(--blue); background: color-mix(in srgb, var(--blue) 14%, transparent); margin-bottom: 30px; }
.capability-icon .icon { width: 21px; height: 21px; }
.card-index { color: var(--text-muted); font-size: 10px; letter-spacing: .16em; font-weight: 800; }
.capability-card h3 { margin: 6px 0 10px; font-size: 19px; }
.capability-card p { margin: 0; color: var(--text-muted); font-size: 13px; line-height: 1.75; }
.capability-card a { display: inline-flex; align-items: center; gap: 7px; margin-top: 17px; color: var(--mint); font-size: 12px; font-weight: 700; }
.card-foot { position: absolute; left: 26px; right: 26px; bottom: 20px; padding-top: 13px; border-top: 1px solid var(--line); color: var(--text-muted); font-size: 11px; }
.mini-network { position: absolute; right: 32px; top: 35px; width: 150px; height: 120px; opacity: .65; background: radial-gradient(circle at 50% 50%, rgba(125,228,194,.38) 0 2px, transparent 4px), radial-gradient(circle at 15% 15%, rgba(90,180,255,.65) 0 2px, transparent 4px), radial-gradient(circle at 87% 22%, rgba(90,180,255,.65) 0 2px, transparent 4px), radial-gradient(circle at 17% 83%, rgba(90,180,255,.65) 0 2px, transparent 4px), radial-gradient(circle at 85% 80%, rgba(90,180,255,.65) 0 2px, transparent 4px); }
.mini-network:before, .mini-network:after { content: ''; position: absolute; inset: 50% 0 auto; height: 1px; background: linear-gradient(90deg, transparent, rgba(90,180,255,.65), transparent); transform: rotate(31deg); }
.mini-network:after { transform: rotate(-31deg); }

.process-wrap { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 25px; }
.process-line { position: absolute; top: 31px; left: 8%; right: 8%; height: 1px; background: linear-gradient(90deg, var(--mint), var(--blue), var(--line)); }
.process-step { position: relative; text-align: center; z-index: 1; }
.process-index { display: block; width: 24px; margin: 0 auto 10px; color: var(--blue); font: 800 10px/24px 'Manrope',sans-serif; background: var(--surface); position: relative; }
.process-icon { display: grid; place-items: center; width: 62px; height: 62px; margin: 0 auto 18px; border: 1px solid var(--line-strong); border-radius: 20px; color: var(--blue); background: var(--surface); box-shadow: 0 0 0 8px var(--surface); }
.process-step.is-done .process-icon { border-color: color-mix(in srgb, var(--mint) 55%, var(--line)); color: var(--mint); }
.process-step h3 { margin: 0 0 8px; font-size: 16px; }
.process-step p { margin: 0; color: var(--text-muted); font-size: 12px; line-height: 1.7; }
.process-insight { display: grid; grid-template-columns: 1fr 1.4fr; gap: 32px; align-items: center; margin-top: 70px; padding: 23px 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--bg-deep); }
.insight-label { display: block; color: var(--text-muted); font-size: 11px; }
.insight-left strong { display: block; margin-top: 3px; font-size: 18px; }
.insight-items { display: flex; gap: 8px; flex-wrap: wrap; }
.insight-chip { min-height: 35px; padding: 0 13px; border-radius: 999px; color: var(--text-muted); border: 1px solid var(--line); background: transparent; cursor: pointer; font-size: 12px; transition: .2s; }
.insight-chip:hover, .insight-chip.is-active { color: var(--text); border-color: var(--blue); background: color-mix(in srgb, var(--blue) 14%, transparent); }
.insight-detail { grid-column: 2; margin: -5px 0 0; color: var(--text-muted); font-size: 12px; }

.mode-switch { display: flex; gap: 8px; max-width: 560px; padding: 6px; margin-bottom: 24px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.mode-tab { flex: 1; min-height: 58px; border: 1px solid transparent; border-radius: 10px; color: var(--text-muted); background: transparent; text-align: left; padding: 0 15px; cursor: pointer; font-size: 14px; font-weight: 700; transition: .2s; }
.mode-tab span { display: block; margin-top: 3px; font-size: 10px; font-weight: 500; }
.mode-tab:hover, .mode-tab.is-active { color: var(--text); border-color: var(--line-strong); background: var(--surface-2); }
.mode-tab.is-active { box-shadow: inset 3px 0 var(--blue); }
.mode-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 65px; align-items: center; padding: 42px; min-height: 380px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--surface), color-mix(in srgb, var(--surface-2) 82%, transparent)); }
.mode-panel.is-hidden { display: none; }
.mode-description h3 { margin: 0 0 18px; font-size: clamp(26px, 3vw, 42px); line-height: 1.2; letter-spacing: -.045em; }
.mode-description h3 span { color: var(--mint); }
.mode-description > p:not(.mode-eyebrow) { color: var(--text-muted); font-size: 14px; line-height: 1.85; }
.mode-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.mode-tags span { padding: 6px 10px; border: 1px solid var(--line); color: var(--text-soft); border-radius: 999px; font-size: 11px; }
.mode-visual { min-width: 0; }
.account-flow { display: grid; grid-template-columns: 1fr 85px 1fr 85px 1fr; align-items: center; gap: 10px; }
.account-node { text-align: center; padding: 22px 9px; border: 1px solid var(--line-strong); border-radius: 15px; background: var(--surface-2); }
.account-node span { display: block; color: var(--text-muted); font-size: 11px; }
.account-node b { display: block; margin-top: 5px; color: var(--mint); font-size: 13px; }
.account-node.node-card { border-color: rgba(90,180,255,.42); }
.account-node.node-card b { color: var(--blue); }
.account-arrow { text-align: center; color: var(--text-muted); }
.account-arrow i { display: block; height: 1px; background: var(--line-strong); position: relative; }
.account-arrow i:after { content: ''; position: absolute; right: 0; top: -4px; width: 8px; height: 8px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg); }
.account-arrow small { display: block; margin-top: 9px; font-size: 9px; white-space: nowrap; }
.mode-safe { display: flex; align-items: center; gap: 7px; justify-content: center; margin-top: 28px; color: var(--mint); font-size: 12px; }
.virtual-cloud { padding: 25px; border-radius: 18px; border: 1px solid rgba(125,228,194,.28); background: radial-gradient(circle at 50% -10%, rgba(125,228,194,.16), transparent 55%), var(--surface-2); }
.cloud-title { display: flex; align-items: center; gap: 8px; color: var(--text-soft); font-size: 12px; }
.cloud-title span { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px rgba(125,228,194,.1); }
.cloud-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 25px; }
.cloud-node { padding: 17px 10px; text-align: center; border: 1px solid var(--line); border-radius: 11px; background: color-mix(in srgb, var(--surface) 65%, transparent); }
.cloud-node small { display: block; color: var(--text-muted); font-size: 10px; }
.cloud-node strong { display: block; margin-top: 4px; color: var(--mint); font-size: 14px; }
.mode-compare { display: grid; grid-template-columns: 1.05fr 1fr 1fr; margin-top: 20px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; font-size: 12px; }
.mode-compare > * { padding: 13px 15px; border-top: 1px solid var(--line); }
.mode-compare > :nth-child(-n+3) { border-top: 0; color: var(--text-muted); background: var(--surface); }
.mode-compare b { font-weight: 600; color: var(--text-soft); background: color-mix(in srgb, var(--surface) 62%, transparent); }

.platform-tabs { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 5px; scrollbar-width: thin; }
.platform-tab { min-height: 51px; display: inline-flex; align-items: center; gap: 9px; flex: 0 0 auto; padding: 0 16px; border: 1px solid var(--line); border-radius: 12px; color: var(--text-muted); background: transparent; cursor: pointer; font-size: 12px; transition: .2s; }
.platform-tab:hover, .platform-tab.is-active { color: var(--text); border-color: var(--blue); background: color-mix(in srgb, var(--blue) 10%, transparent); }
.platform-logo { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 8px; font-weight: 900; font-size: 14px; }
.logo-douyin { color: #fff; background: #111; text-shadow: 2px 1px #e94b7d, -1px -1px #61e4ea; }
.logo-meituan { color: #fff; background: #ffc300; }
.logo-jd { color: #fff; background: #e1251b; }
.logo-eleme { color: #fff; background: #1685e5; }
.scenario-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: center; margin-top: 35px; padding: 42px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: linear-gradient(145deg, var(--bg-deep), var(--surface)); }
.scenario-visual { min-height: 325px; display: grid; place-items: center; position: relative; }
.scenario-orbit { position: absolute; width: 300px; height: 300px; border: 1px dashed var(--line-strong); border-radius: 50%; transform: rotate(-24deg); }
.scenario-orbit:after { content: ''; position: absolute; width: 9px; height: 9px; border-radius: 50%; top: 15px; right: 48px; background: var(--mint); box-shadow: 0 0 20px var(--mint); }
.scenario-device { position: relative; width: min(100%, 310px); min-height: 286px; border: 1px solid var(--line-strong); border-radius: 19px; background: var(--surface-2); box-shadow: var(--shadow); padding: 18px; z-index: 1; }
.device-top { display: flex; align-items: center; gap: 4px; font-size: 9px; color: var(--text-muted); }
.device-top > span { width: 5px; height: 5px; border-radius: 50%; background: var(--line-strong); }
.device-top b { margin-left: auto; color: var(--text-soft); font-size: 11px; }
.device-chart { height: 155px; padding-top: 26px; }
.chart-bars { height: 95px; display: flex; align-items: end; gap: 12px; padding: 0 7px; border-bottom: 1px solid var(--line-strong); }
.chart-bars i { flex: 1; min-width: 8px; border-radius: 5px 5px 0 0; background: linear-gradient(180deg, var(--blue), rgba(90,180,255,.12)); }
.chart-caption { display: grid; grid-template-columns: 1fr auto; gap: 3px 8px; margin-top: 11px; }
.chart-caption span { color: var(--text-muted); font-size: 10px; }
.chart-caption strong { grid-row: span 2; font-size: 22px; letter-spacing: -.05em; }
.chart-caption em { color: var(--mint); font-size: 10px; font-style: normal; }
.device-ledger { display: flex; justify-content: space-between; padding: 9px 0; border-top: 1px solid var(--line); color: var(--text-muted); font-size: 10px; }
.device-ledger span { display: inline-flex; align-items: center; gap: 6px; }
.device-ledger b { color: var(--mint); font-weight: 600; }
.green-dot, .blue-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); }
.blue-dot { background: var(--blue); }
.scenario-count { margin: 0 0 9px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .15em; }
.scenario-count strong { font-size: 22px; }
.scenario-copy h3 { margin: 0 0 13px; font-size: clamp(26px, 3vw, 42px); line-height: 1.2; letter-spacing: -.05em; }
.scenario-copy > p:not(.scenario-count) { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.8; }
.scenario-points { display: grid; gap: 12px; margin-top: 25px; }
.scenario-points div { display: grid; grid-template-columns: 76px 1fr; gap: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.scenario-points span { color: var(--text-muted); font-size: 11px; }
.scenario-points strong { font-size: 12px; font-weight: 600; }
.text-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 24px; color: var(--blue); font-size: 13px; font-weight: 700; }

.calculator-section { background: linear-gradient(180deg, var(--bg), var(--bg-deep)); }
.calculator-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 16px; }
.calculator-form, .calculator-result { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); padding: 27px; }
.form-head { padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid var(--line); color: var(--text); font-weight: 700; }
.field { display: block; margin-bottom: 16px; }
.field > span { display: block; margin-bottom: 7px; color: var(--text-muted); font-size: 11px; }
.field input, .field select { width: 100%; min-height: 44px; padding: 0 12px; color: var(--text); border: 1px solid var(--line); border-radius: 9px; background: var(--surface-2); outline: 0; transition: border .2s, box-shadow .2s; }
.field input:focus, .field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 18%, transparent); }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%); background-position: calc(100% - 16px) 19px, calc(100% - 11px) 19px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.input-suffix { position: relative; }
.input-suffix input { padding-right: 30px; }
.input-suffix b { position: absolute; right: 12px; top: 10px; color: var(--text-muted); font-size: 13px; }
.toggle-fields { display: flex; flex-wrap: wrap; gap: 13px; margin: 4px 0 21px; }
.check-toggle { display: inline-flex; align-items: center; gap: 7px; color: var(--text-soft); font-size: 11px; cursor: pointer; }
.check-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.check-toggle span { width: 18px; height: 18px; border: 1px solid var(--line-strong); border-radius: 5px; background: var(--surface-2); position: relative; }
.check-toggle input:checked + span { border-color: var(--mint); background: var(--mint); }
.check-toggle input:checked + span:after { content: ''; position: absolute; width: 8px; height: 4px; left: 4px; top: 4px; border-left: 2px solid #07302b; border-bottom: 2px solid #07302b; transform: rotate(-45deg); }
.result-top { padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.result-total { padding: 25px 0; }
.result-total small { display: block; color: var(--text-muted); font-size: 11px; }
.result-total strong { display: block; margin: 5px 0 10px; font-size: clamp(36px, 4vw, 52px); line-height: 1; letter-spacing: -.07em; }
.result-status { display: inline-flex; align-items: center; gap: 6px; padding: 5px 8px; color: var(--mint); border-radius: 6px; background: rgba(125,228,194,.12); font-size: 11px; }
.result-status.status-warn { color: #ffc373; background: rgba(255,195,115,.12); }
.result-status.status-bad { color: var(--red); background: rgba(255,138,144,.12); }
.result-split { border-top: 1px solid var(--line); }
.result-row { display: grid; grid-template-columns: 1fr auto 45px; align-items: center; gap: 10px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.result-row > span { display: inline-flex; align-items: center; gap: 8px; color: var(--text-soft); font-size: 12px; }
.result-row strong { font-size: 17px; }
.result-row em { color: var(--text-muted); font-style: normal; font-size: 11px; text-align: right; }
.result-note { display: flex; align-items: flex-start; gap: 8px; margin-top: 20px; color: var(--text-muted); font-size: 11px; }
.result-note .icon { color: var(--mint); margin-top: 3px; }
.result-note p { margin: 0; }

.security-section { overflow: hidden; }
.security-layout { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 100px; }
.security-wheel { width: min(100%, 350px); aspect-ratio: 1; margin-inline: auto; position: relative; display: grid; place-items: center; border: 1px dashed var(--line-strong); border-radius: 50%; }
.security-wheel:before, .security-wheel:after { content: ''; position: absolute; inset: 13%; border: 1px dashed var(--line); border-radius: 50%; }
.security-wheel:after { inset: 28%; border-style: solid; border-color: color-mix(in srgb, var(--blue) 35%, transparent); }
.wheel-core { display: grid; place-items: center; width: 135px; height: 135px; border-radius: 50%; border: 1px solid rgba(90,180,255,.45); color: var(--blue); background: radial-gradient(circle, rgba(90,180,255,.18), rgba(90,180,255,.03)); box-shadow: 0 0 50px rgba(90,180,255,.17); text-align: center; }
.wheel-core .icon { width: 28px; height: 28px; margin-bottom: 5px; }
.wheel-core strong { font-size: 15px; line-height: 1.35; }
.wheel-step { position: absolute; display: grid; place-items: center; width: 33px; height: 33px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--text-soft); background: var(--surface); font: 700 11px 'Manrope', sans-serif; }
.step-1 { top: 7%; left: 47%; } .step-2 { top: 23%; right: 8%; } .step-3 { bottom: 23%; right: 8%; } .step-4 { bottom: 7%; left: 47%; } .step-5 { bottom: 23%; left: 8%; } .step-6 { top: 23%; left: 8%; }
.security-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.security-list article { display: grid; grid-template-columns: 31px 1fr; gap: 11px; padding: 18px 0; border-top: 1px solid var(--line); }
.security-list article > span { color: var(--blue); font: 800 11px 'Manrope', sans-serif; }
.security-list h3 { margin: 0 0 6px; font-size: 15px; }
.security-list p { margin: 0; color: var(--text-muted); font-size: 12px; line-height: 1.7; }

.industry-grid { display: grid; grid-template-columns: 1.3fr repeat(4, 1fr); gap: 12px; }
.industry-card { min-height: 280px; padding: 22px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); position: relative; transition: .2s; }
.industry-card:hover { transform: translateY(-4px); border-color: var(--blue); }
.industry-card.is-feature { background: linear-gradient(145deg, rgba(90,180,255,.17), var(--surface)); }
.industry-icon { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 35px; border-radius: 12px; color: var(--mint); background: rgba(125,228,194,.12); font-size: 19px; }
.industry-index { position: absolute; top: 24px; right: 21px; color: var(--text-muted); font: 800 10px 'Manrope', sans-serif; }
.industry-card h3 { margin: 0 0 9px; font-size: 17px; }
.industry-card p { margin: 0; color: var(--text-muted); font-size: 12px; line-height: 1.75; }
.industry-link { display: inline-flex; gap: 7px; align-items: center; margin-top: 22px; color: var(--blue); font-size: 11px; font-weight: 700; }
.value-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.value-card { min-height: 240px; padding: 29px; border: 1px solid var(--line); border-radius: 18px; background: var(--bg); }
.value-card-highlight { background: linear-gradient(145deg, rgba(125,228,194,.13), rgba(90,180,255,.12)); border-color: rgba(125,228,194,.35); }
.value-card > span { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.value-card h3 { margin: 14px 0 20px; font-size: 20px; line-height: 1.4; letter-spacing: -.03em; }
.value-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; color: var(--text-muted); font-size: 12px; }
.value-card li:before { content: '✓'; color: var(--mint); margin-right: 7px; font-weight: 800; }

.cta-section { padding: 93px 0; position: relative; overflow: hidden; }
.cta-glow { position: absolute; width: 680px; height: 380px; right: 0; top: -30px; background: radial-gradient(ellipse, rgba(49,136,255,.24), transparent 68%); pointer-events: none; }
.cta-inner { display: flex; justify-content: space-between; align-items: end; gap: 40px; position: relative; z-index: 1; }
.cta-inner h2 { margin: 0 0 15px; font-size: clamp(33px, 4.2vw, 56px); line-height: 1.12; letter-spacing: -.06em; }
.cta-inner h2 span { color: var(--blue); }
.cta-inner p:not(.section-kicker) { margin: 0; max-width: 570px; color: var(--text-muted); font-size: 14px; }
.cta-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: end; }
.site-footer { padding: 57px 0 25px; color: var(--text-muted); background: var(--bg-deep); border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 50px; }
.footer-brand p { margin: 17px 0 0; font-size: 12px; }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(110px, 1fr)); gap: 50px; }
.footer-links div { display: grid; align-content: start; gap: 8px; }
.footer-links strong { margin-bottom: 5px; color: var(--text); font-size: 12px; }
.footer-links a, .footer-copy-link { color: var(--text-muted); font-size: 12px; transition: color .2s; }
.footer-copy-link { padding: 0; border: 0; background: transparent; text-align: left; cursor: pointer; }
.footer-links a:hover, .footer-copy-link:hover { color: var(--blue); }
.footer-bottom { display: grid; justify-items: center; gap: 8px; margin-top: 55px; padding-top: 17px; border-top: 1px solid var(--line); font-size: 11px; text-align: center; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: var(--text-muted); transition: color .2s; }
.footer-bottom a:hover { color: var(--blue); }
.footer-bottom small { font-size: 10px; opacity: .8; }
.footer-legal-links { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cyber-report-icon { display: inline-grid; place-items: center; width: 14px; height: 14px; margin-right: 4px; border-radius: 50%; color: #fff; background: #c9363e; font-size: 7px; vertical-align: -1px; }

.contact-rail { position: fixed; z-index: 30; top: 50%; right: 16px; transform: translateY(-50%); display: grid; gap: 8px; width: 62px; padding: 8px; border: 1px solid var(--line-strong); border-radius: 14px; background: color-mix(in srgb, var(--surface) 92%, transparent); box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.contact-rail-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.contact-rail-item { width: 44px; height: 44px; min-height: 44px; display: grid; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); color: var(--text-muted); cursor: pointer; font-size: 10px; line-height: 1; transition: color .2s, background .2s, border-color .2s, transform .2s; }
.contact-rail-item:hover { color: var(--blue); border-color: color-mix(in srgb, var(--blue) 45%, var(--line)); background: color-mix(in srgb, var(--blue) 10%, var(--surface-2)); transform: translateY(-1px); }
.contact-rail-item .icon { width: 18px; height: 18px; stroke-width: 1.8; }
.contact-rail-item > span:not(.contact-rail-qq-mark) { display: none; }
.contact-rail-qq-mark { display: grid !important; place-items: center; width: 28px; height: 28px; border-radius: 8px; color: #fff; background: linear-gradient(145deg, #6366f1, #d946ef); font: 800 11px/1 'Manrope', sans-serif; letter-spacing: 0; }
.contact-rail-shell { position: relative; width: 44px; height: 44px; }
.contact-rail-panel { position: absolute; z-index: 2; right: calc(100% + 13px); top: 50%; width: 224px; padding: 17px; border: 1px solid var(--line-strong); border-radius: 14px; color: var(--text); background: var(--surface); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translate(10px, -50%); transition: opacity .2s ease, transform .2s ease; }
.contact-rail-panel::after { content: ""; position: absolute; right: -7px; top: 50%; width: 13px; height: 13px; border-top: 1px solid var(--line-strong); border-right: 1px solid var(--line-strong); background: var(--surface); transform: translateY(-50%) rotate(45deg); }
.contact-rail-shell:hover .contact-rail-panel, .contact-rail-shell:focus-within .contact-rail-panel, .contact-rail-shell.is-open .contact-rail-panel { opacity: 1; pointer-events: auto; transform: translate(0, -50%); }
.contact-rail-panel > strong { display: block; margin-bottom: 11px; color: var(--text); font-size: 14px; }
.contact-rail-panel-qr { text-align: center; }
.contact-rail-panel-qr img { display: block; width: 184px; max-width: 100%; aspect-ratio: 1; margin: 0 auto; padding: 5px; border-radius: 9px; object-fit: contain; background: #fff; }
.contact-rail-panel-phone, .contact-rail-panel-qq { width: 246px; }
.contact-rail-person { display: flex; align-items: center; gap: 10px; min-height: 58px; padding: 9px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-2); transition: border-color .2s, background .2s; }
.contact-rail-person:hover { border-color: var(--blue); background: color-mix(in srgb, var(--blue) 9%, var(--surface-2)); }
.contact-rail-person-mark { display: grid; place-items: center; width: 37px; height: 37px; flex: 0 0 37px; border-radius: 10px; color: #07243a; background: linear-gradient(135deg, var(--mint), var(--blue)); font: 800 11px 'Manrope', sans-serif; }
.contact-rail-person-mark-phone .icon { width: 19px; height: 19px; }
.contact-rail-person b, .contact-rail-person small { display: block; }
.contact-rail-person b { font-size: 13px; }
.contact-rail-person small { margin-top: 2px; color: var(--text-muted); font-size: 11px; }
.contact-rail-hint { display: block; margin: 10px 0 12px; color: var(--text-muted); font-size: 11px; font-style: normal; line-height: 1.5; }
.contact-rail-copy { width: 100%; min-height: 35px; padding: 0 12px; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--text); background: transparent; cursor: pointer; font-size: 12px; font-weight: 700; transition: border-color .2s, background .2s; }
.contact-rail-copy:hover { border-color: var(--blue); background: color-mix(in srgb, var(--blue) 10%, transparent); }
.mobile-contact-fab { display: none; }
.contact-drawer, .modal { position: fixed; z-index: 100; inset: 0; display: none; }
.contact-drawer.is-open { display: block; }
.modal.is-open { display: flex; }
.drawer-backdrop, .modal-backdrop { position: absolute; inset: 0; background: rgba(1, 9, 16, .64); backdrop-filter: blur(5px); }
.drawer-content { position: absolute; right: 0; top: 0; bottom: 0; width: min(390px, 100%); padding: 70px 28px 32px; background: var(--surface); box-shadow: -20px 0 60px rgba(0,0,0,.22); transform: translateX(100%); transition: transform .3s ease; }
.contact-drawer.is-open .drawer-content { transform: translateX(0); }
.drawer-close, .modal-close { position: absolute; top: 19px; right: 19px; width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; color: var(--text-muted); background: transparent; cursor: pointer; }
.drawer-kicker { color: var(--blue); font: 800 11px 'Manrope', sans-serif; letter-spacing: .18em; }
.drawer-content h3 { margin: 15px 0 12px; font-size: 34px; line-height: 1.18; letter-spacing: -.05em; }
.drawer-content h3 span { color: var(--blue); }
.drawer-content > p:not(.drawer-kicker) { color: var(--text-muted); font-size: 13px; }
.drawer-actions { display: grid; gap: 10px; margin-top: 29px; }
.drawer-action { display: flex; align-items: center; gap: 12px; min-height: 64px; padding: 0 14px; border: 1px solid var(--line); border-radius: 12px; color: var(--text); background: var(--surface-2); cursor: pointer; text-align: left; }
.drawer-action:hover { border-color: var(--blue); }
.drawer-action > .icon { width: 21px; color: var(--blue); }
.drawer-action span { display: grid; gap: 1px; font-size: 13px; font-weight: 700; }
.drawer-action small { color: var(--text-muted); font-size: 11px; font-weight: 500; }
.modal { align-items: center; justify-content: center; }
.modal-card { position: relative; z-index: 1; width: min(580px, calc(100% - 32px)); padding: 32px; border: 1px solid var(--line-strong); border-radius: 20px; color: var(--text); background: var(--surface); box-shadow: var(--shadow); text-align: center; }
.modal-card h3 { margin: 0 0 20px; font-size: 24px; }
.qr-placeholder { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; width: 100%; margin: 0 auto 18px; }
.qr-card { display: grid; justify-items: center; gap: 9px; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-2); color: var(--text-muted); font-size: 13px; }
.qr-card img { width: min(190px, 100%); aspect-ratio: 1; object-fit: contain; border-radius: 8px; background: #fff; }
.qr-card strong { color: var(--text); font-size: 13px; }
.qr-placeholder .icon { width: 48px; height: 48px; color: var(--blue); }
.modal-card > p:last-child { margin: 0; color: var(--text-muted); font-size: 11px; }
@media (max-width: 560px) {
  .qr-placeholder { grid-template-columns: 1fr; }
}
.toast { position: fixed; z-index: 120; left: 50%; bottom: 28px; transform: translate(-50%, 20px); padding: 10px 15px; color: var(--text); border: 1px solid var(--line-strong); border-radius: 10px; background: var(--surface-2); box-shadow: var(--shadow); opacity: 0; pointer-events: none; font-size: 12px; transition: .25s; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 1; transform: none; }
html.js-enabled .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
html.js-enabled .reveal.is-visible { opacity: 1; transform: none; }
html.js-enabled .hero .reveal { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s !important; }
.reveal-delay-2 { transition-delay: .2s !important; }

@media (max-width: 1199px) {
  .container { width: min(var(--container), calc(100% - 40px)); }
  .desktop-nav { gap: 18px; }
  .hero-inner { grid-template-columns: 1fr 1fr; column-gap: 38px; row-gap: 28px; }
  .hero-platforms ul { gap: 10px; }
  .hero-platforms li { gap: 8px; }
  .hero-platforms strong { font-size: 12px; }
  .hero-platform-icon { width: 34px; height: 34px; font-size: 15px; }
  .hero h1 { font-size: clamp(43px, 5.4vw, 58px); }
  .hero-visual { transform: scale(.92); transform-origin: right center; }
  .orbit-a { width: 420px; height: 220px; }
  .orbit-b { width: 315px; height: 360px; }
  .pain-layout, .security-layout { gap: 42px; }
  .scenario-panel { gap: 48px; padding: 30px; }
  .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .industry-card.is-feature { grid-column: span 2; }
  .contact-rail { right: 9px; }
}

@media (max-width: 900px) and (min-width: 768px) {
  .hero-platforms { overflow: hidden; }
  .hero-platforms ul { display: flex; gap: 20px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
  .hero-platforms ul::-webkit-scrollbar { display: none; }
  .orbit-a { width: 300px; height: 180px; }
  .orbit-b { width: 240px; height: 290px; }
  .scenario-orbit { width: 250px; height: 250px; }
}

@media (max-width: 767px) {
  :root { --header-h: 65px; }
  .container { width: min(100% - 32px, 560px); }
  .site-header { height: var(--header-h); }
  .header-inner { gap: 10px; }
  .desktop-nav, .header-cta { display: none; }
  .mobile-menu-toggle { display: grid; }
  .mobile-nav { position: absolute; top: var(--header-h); left: 16px; right: 16px; display: grid; max-height: 0; overflow: hidden; padding: 0 18px; border: 1px solid transparent; border-radius: 14px; background: var(--surface); opacity: 0; transition: max-height .3s, padding .3s, opacity .3s, border-color .3s; box-shadow: var(--shadow); }
  .mobile-nav.is-open { max-height: 360px; padding: 9px 18px; opacity: 1; border-color: var(--line); }
  .mobile-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .mobile-nav a:last-child { border-bottom: 0; }
  .section { padding: 78px 0; }
  .section-heading, .split-heading { display: block; margin-bottom: 34px; }
  .split-heading .section-intro { margin-top: 17px; }
  .section-heading h2 { font-size: 36px; }
  .hero { min-height: auto; padding: calc(var(--header-h) + 72px) 0 26px; }
  .hero-inner { display: flex; flex-direction: column; align-items: stretch; }
  .hero-copy { order: 1; }
  .hero-platforms { order: 2; }
  .hero-visual { order: 3; }
  .hero h1 { font-size: clamp(35px, 10vw, 42px); margin-top: 16px; }
  .hero-lead { font-size: 15px; }
  .hero-trust-list { gap: 10px 15px; }
  .hero-platforms { margin-top: 20px; overflow: hidden; }
  .hero-platforms ul { display: flex; gap: 18px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
  .hero-platforms ul::-webkit-scrollbar { display: none; }
  .hero-visual { min-height: 390px; margin: 38px 0 0; transform: none; }
  .flow-panel { padding: 20px 14px 15px; border-radius: 17px; }
  .flow-node-row { gap: 5px; margin: 25px 0 20px; }
  .flow-node strong { font-size: 10px; }
  .flow-node small { font-size: 8px; }
  .node-icon { width: 37px; height: 37px; border-radius: 11px; font-size: 15px; }
  .split-result { padding: 8px 5px; gap: 5px; }
  .split-result strong { font-size: 10px; }
  .split-result small { font-size: 8px; }
  .flow-panel-foot { font-size: 8px; }
  .floating-data-chip { transform: scale(.84); }
  .chip-one { top: 12px; right: -19px; }
  .chip-two { bottom: 3px; left: -19px; }
  .orbit-a { width: 320px; height: 190px; }
  .orbit-b { width: 250px; height: 300px; }
  .hero-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 14px; margin-top: 28px; font-size: 10px; }
  .hero-bottom span:last-child { grid-column: span 2; }
  .pain-layout, .calculator-grid, .security-layout, .scenario-panel { display: block; }
  .efficiency-card { margin-top: 25px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-feature { grid-column: auto; }
  .mini-network { right: 19px; top: 32px; transform: scale(.72); transform-origin: top right; }
  .process-wrap { display: grid; grid-template-columns: 1fr; gap: 0; padding-left: 28px; }
  .process-line { top: 28px; bottom: 28px; left: 40px; right: auto; width: 1px; height: auto; background: linear-gradient(180deg, var(--mint), var(--blue), var(--line)); }
  .process-step { display: grid; grid-template-columns: 42px 1fr; column-gap: 15px; text-align: left; padding: 10px 0 19px; }
  .process-index { grid-column: 1; grid-row: 1 / span 3; width: auto; margin: 7px 0 0; text-align: center; background: var(--surface); }
  .process-icon { grid-column: 2; grid-row: 1; width: 43px; height: 43px; margin: 0 0 10px; border-radius: 13px; box-shadow: 0 0 0 6px var(--surface); }
  .process-step h3 { grid-column: 2; grid-row: 2; }
  .process-step p { grid-column: 2; grid-row: 3; }
  .process-insight { display: block; margin-top: 40px; padding: 20px; }
  .insight-items { margin-top: 18px; }
  .insight-detail { margin-top: 15px; }
  .mode-switch { max-width: none; }
  .mode-panel { display: block; padding: 25px 20px; min-height: 0; }
  .mode-visual { margin-top: 33px; }
  .account-flow { grid-template-columns: 1fr; gap: 9px; }
  .account-arrow { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 9px; }
  .account-arrow i { order: 2; width: 100%; }
  .account-arrow small { margin: 0; }
  .cloud-row { grid-template-columns: 1fr; }
  .mode-compare { grid-template-columns: 1fr 1fr; }
  .mode-compare > :nth-child(1) { grid-column: span 2; }
  .mode-compare > :nth-child(2), .mode-compare > :nth-child(3) { border-top: 1px solid var(--line); }
  .mode-compare > :nth-child(3) { display: none; }
  .mode-compare > :nth-child(4n+1) { grid-column: span 2; background: var(--surface); color: var(--text-muted); border-top: 1px solid var(--line); }
  .platform-tabs { margin-inline: 0; padding-inline: 0 4px; }
  .scenario-panel { padding: 21px 17px; }
  .scenario-visual { min-height: 310px; }
  .scenario-orbit { width: 250px; height: 250px; }
  .scenario-copy { margin-top: 20px; }
  .scenario-copy h3 { font-size: 31px; }
  .calculator-form, .calculator-result { padding: 21px; }
  .calculator-result { margin-top: 14px; }
  .security-wheel { width: min(100%, 300px); margin-bottom: 40px; }
  .security-list { grid-template-columns: 1fr; gap: 0; }
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .industry-card, .industry-card.is-feature { min-height: 235px; grid-column: auto; padding: 18px; }
  .industry-card.is-feature { grid-column: span 2; }
  .industry-icon { margin-bottom: 25px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-card { min-height: 0; }
  .cta-inner { display: block; }
  .cta-actions { justify-content: start; margin-top: 25px; }
  .footer-inner { display: block; }
  .footer-links { margin-top: 35px; gap: 22px; }
  .footer-bottom { gap: 7px; margin-top: 35px; }
  .contact-rail { display: none; }
  .mobile-contact-fab { position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 35; display: grid; place-items: center; gap: 1px; width: 58px; height: 58px; border: 1px solid rgba(255,255,255,.24); border-radius: 18px; color: #05283a; background: linear-gradient(145deg, var(--mint), var(--blue)); box-shadow: 0 12px 32px rgba(26,124,180,.32); cursor: pointer; font-weight: 800; }
  .mobile-contact-fab .icon { width: 19px; }
  .mobile-contact-fab span { font-size: 10px; }
}

@media (max-width: 420px) {
  .container { width: min(100% - 24px, 560px); }
  .brand-copy strong { font-size: 15px; }
  .hero-actions .button { flex: 1; padding-inline: 12px; font-size: 12px; }
  .hero-trust-list { font-size: 10px; }
  .flow-panel-top { font-size: 10px; }
  .flow-panel-foot span:nth-child(2) { display: none; }
  .flow-panel-foot { justify-content: space-around; }
  .result-row strong { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}