/* =====================================================================
   dfwm.cn v5 — bold redesign. Dark is the default (also the no-JS look);
   light theme = :root[data-theme="light"] (set by the inline head script).
   ===================================================================== */
:root {
  --bg: #05060b; --bg-2: #0a0c14; --bg-3: #0f1220;
  --surface: rgba(255,255,255,.035); --surface-2: rgba(255,255,255,.06); --surface-solid: #0c0f19;
  --text: #f3f5fb; --heading: #ffffff; --muted: #a3abbf; --faint: #7d869b;
  --line: rgba(255,255,255,.08); --line-2: rgba(255,255,255,.14);
  --blue: #4f7cff; --violet: #8b5cf6; --teal: #2dd4bf; --orange: #ff8a4c; --cyan: #5ee6d0;
  --accent: #6ea8ff; --accent-ink: #7fb2ff;
  --grad: linear-gradient(100deg, #4f7cff 0%, #8b5cf6 50%, #2dd4bf 100%);
  --grad-text: linear-gradient(100deg, #9fb8ff 0%, #c4a8ff 45%, #5eead4 100%);
  --btn-a: #3358f0; --btn-b: #6a3fe0;
  --shadow-1: 0 1px 0 rgba(255,255,255,.05) inset, 0 1px 2px rgba(0,0,0,.4);
  --shadow-2: 0 1px 0 rgba(255,255,255,.06) inset, 0 30px 60px -24px rgba(0,0,0,.7);
  --nav-bg: rgba(10,12,20,.66);
  --mesh-1: rgba(79,124,255,.55); --mesh-2: rgba(139,92,246,.45); --mesh-3: rgba(45,212,191,.30);
  --grid-line: rgba(255,255,255,.055);
  --r: 20px; --r-sm: 12px; --r-lg: 28px;
  --max: 1200px; --nav: 64px;
  --ease: cubic-bezier(.2,.7,.2,1);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Cascadia Code", Consolas, "Roboto Mono", monospace;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f5f7fc; --bg-2: #eef2fa; --bg-3: #e6ecf8;
  --surface: #ffffff; --surface-2: #f7f9ff; --surface-solid: #ffffff;
  --text: #121a2e; --heading: #0b1428; --muted: #4a5672; --faint: #626e88;
  --line: rgba(20,40,90,.09); --line-2: rgba(20,40,90,.16);
  --blue: #2f5ff0; --violet: #7140e6; --teal: #0d8f84; --orange: #d4541a; --cyan: #0e9f97;
  --accent: #2f5ff0; --accent-ink: #2b56dd;
  --grad: linear-gradient(100deg, #2f5ff0 0%, #7140e6 55%, #0d9488 100%);
  --grad-text: linear-gradient(100deg, #2346d6 0%, #6a35e0 50%, #0b7d74 100%);
  --shadow-1: 0 1px 2px rgba(16,32,80,.06), 0 4px 14px -6px rgba(16,32,80,.10);
  --shadow-2: 0 2px 6px rgba(16,32,80,.05), 0 28px 50px -24px rgba(16,32,80,.28);
  --nav-bg: rgba(255,255,255,.72);
  --mesh-1: rgba(79,124,255,.30); --mesh-2: rgba(139,92,246,.24); --mesh-3: rgba(20,184,166,.18);
  --grid-line: rgba(20,40,90,.06);
  color-scheme: light;
}
/* colour-coded families */
.c-blue { --c: var(--blue); --c-soft: rgba(79,124,255,.14); }
.c-violet { --c: var(--violet); --c-soft: rgba(139,92,246,.15); }
.c-teal { --c: var(--teal); --c-soft: rgba(45,212,191,.13); }
.c-orange { --c: var(--orange); --c-soft: rgba(255,138,76,.14); }

/* ---------- base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html, body { background: var(--bg); overflow-x: hidden; width: 100%; }
body { font-family: var(--sans); color: var(--text); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4 { color: var(--heading); line-height: 1.25; }
::selection { background: rgba(110,168,255,.3); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.wrap { width: min(var(--max), calc(100% - 64px)); margin: 0 auto; }
.progress { position: fixed; top: 0; left: 0; height: 2px; width: 0; z-index: 90; background: var(--grad); pointer-events: none; }
#particles { position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .35; }
:root[data-theme="light"] #particles { opacity: .18; }
.cursor-dot, .cursor-ring, .bg-grid, .beam { display: none !important; }
.ico { width: 22px; height: 22px; color: currentColor; flex-shrink: 0; }
.arr { width: 16px; height: 16px; transition: transform .25s var(--ease); }

/* ---------- type ---------- */
.eyebrow, .kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent-ink);
}
.sec-num { display: inline-grid; place-items: center; min-width: 30px; height: 22px; padding: 0 6px; border-radius: 6px; font-size: 11.5px; color: var(--heading); background: var(--surface-2); border: 1px solid var(--line-2); letter-spacing: .04em; }
.h2 { font-size: clamp(34px, 4.6vw, 60px); font-weight: 750; letter-spacing: -.02em; line-height: 1.12; margin: 16px 0 18px; color: var(--heading); }
.lead { font-size: 18px; line-height: 1.8; color: var(--muted); max-width: 42em; }
.lead a { color: var(--accent-ink) !important; font-weight: 600; border-bottom: 1px solid currentColor; }
.sec-head { margin-bottom: 56px; position: relative; z-index: 2; }
.sec-head.center { text-align: center; }
.sec-head.center .lead { margin: 0 auto; }

/* ---------- nav: floating island ---------- */
.nav { position: sticky; top: 0; z-index: 60; padding: 12px 0 0; height: auto; background: transparent; }
.nav-inner {
  height: var(--nav); display: flex; align-items: center; gap: 16px; padding: 0 10px 0 18px;
  border-radius: 18px; background: var(--nav-bg); border: 1px solid var(--line);
  -webkit-backdrop-filter: saturate(1.8) blur(18px); backdrop-filter: saturate(1.8) blur(18px);
  box-shadow: 0 10px 30px -18px rgba(0,0,0,.6);
  width: min(calc(var(--max) + 24px), calc(100% - 32px));
}
.nav.is-scrolled .nav-inner { border-color: var(--line-2); }
:root[data-theme="light"] .nav-inner { box-shadow: 0 10px 30px -18px rgba(16,32,80,.3); }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark { height: 30px; width: auto; }
.brand-mark.logo-light { display: none; }
:root[data-theme="light"] .nav .brand-mark.logo-dark { display: none; }
:root[data-theme="light"] .nav .brand-mark.logo-light { display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-size: 16px; font-weight: 750; letter-spacing: .06em; color: var(--heading); }
.brand-sub { font-family: var(--mono); font-size: 9.5px; letter-spacing: .3em; color: var(--faint); margin-top: 3px; }
.nav-links { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-links > a, .drop > span { padding: 8px 12px; border-radius: 10px; font-size: 14px; font-weight: 500; color: var(--muted); transition: color .2s, background .2s; position: relative; display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
.nav-links > a:hover, .drop:hover > span { color: var(--heading); background: var(--surface-2); }
.nav-links > a.is-active { color: var(--heading); background: var(--surface-2); }
.drop { position: relative; }
.drop-menu { display: none; position: absolute; top: calc(100% + 10px); left: 0; min-width: 210px; padding: 8px; border-radius: 14px; background: var(--surface-solid); border: 1px solid var(--line-2); box-shadow: var(--shadow-2); }
.drop-menu::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.drop:hover .drop-menu, .drop:focus-within .drop-menu { display: block; }
.drop-menu a { display: block; padding: 10px 12px; border-radius: 9px; font-size: 14px; color: var(--muted); }
.drop-menu a:hover { color: var(--heading); background: var(--surface-2); }
.nav-links > a.btn { margin-left: 8px; height: 40px; padding: 0 16px; color: #fff; background: linear-gradient(135deg, var(--btn-a), var(--btn-b)); }
.nav-links > a.btn:hover, .nav-links > a.btn.is-active { color: #fff; background: linear-gradient(135deg, var(--btn-a), var(--btn-b)); }
.theme-toggle { display: none; order: 3; width: 40px; height: 40px; border-radius: 12px; place-items: center; border: 1px solid var(--line-2); background: var(--surface); color: var(--muted); flex-shrink: 0; transition: color .2s, border-color .2s; }
html.js .theme-toggle { display: grid; }
html.no-theme .theme-toggle { display: none !important; }
.theme-toggle:hover { color: var(--heading); border-color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .i-sun { display: none; }
:root[data-theme="light"] .theme-toggle .i-sun { display: block; }
:root[data-theme="light"] .theme-toggle .i-moon { display: none; }
.menu-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--surface); }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 16px; height: 1.6px; background: var(--heading); margin: 0 auto; position: relative; content: ""; border-radius: 2px; }
.menu-toggle span::before { position: absolute; top: -5px; } .menu-toggle span::after { position: absolute; top: 5px; }
html.theme-anim, html.theme-anim * { transition: background-color .35s, color .35s, border-color .35s, box-shadow .35s !important; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 46px; padding: 0 22px; border-radius: 12px; font-size: 15px; font-weight: 650; letter-spacing: .01em; position: relative; overflow: hidden; isolation: isolate; white-space: nowrap; transition: transform .2s var(--ease), box-shadow .2s, background .2s, border-color .2s, color .2s; }
.btn-lg { height: 54px; padding: 0 30px; font-size: 16px; border-radius: 14px; }
.btn:hover .arr { transform: translateX(3px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--btn-a), var(--btn-b)); box-shadow: 0 1px 0 rgba(255,255,255,.2) inset, 0 10px 30px -10px rgba(80,80,255,.75); }
.btn-primary::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(135deg, #4b6cff, #8455f2); opacity: 0; transition: opacity .25s; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 1px 0 rgba(255,255,255,.2) inset, 0 16px 36px -12px rgba(110,80,255,.85); }
.btn-primary:hover::before { opacity: 1; }
.btn-ghost { color: var(--heading); background: var(--surface); border: 1px solid var(--line-2); box-shadow: var(--shadow-1); }
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.btn-light { background: #fff; color: #1b2a6b; box-shadow: 0 12px 30px -12px rgba(0,0,0,.5); }
.btn-light:hover { transform: translateY(-2px); }
.btn-outline-light { color: #fff; border: 1px solid rgba(255,255,255,.5); background: rgba(255,255,255,.08); }
.btn-outline-light:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }
.btn .ripple { position: absolute; border-radius: 50%; transform: scale(0); background: rgba(255,255,255,.35); pointer-events: none; animation: ripple .55s ease-out forwards; }
@keyframes ripple { to { transform: scale(1); opacity: 0; } }
.more { display: inline-flex; align-items: center; gap: 6px; font-size: 14.5px; font-weight: 650; color: var(--c, var(--accent-ink)); margin-top: 18px; }
.more:hover .arr { transform: translateX(4px); }

/* ---------- HERO ---------- */
.hero { position: relative; z-index: 2; margin-top: calc(-1 * (var(--nav) + 12px)); padding: calc(var(--nav) + 12px + 72px) 0 0; overflow: hidden; isolation: isolate; text-align: center; }
.hero-bg, .ph-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.mesh { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .9; }
.hero .m1 { width: 760px; height: 560px; left: -12%; top: -12%; background: radial-gradient(closest-side, var(--mesh-1), transparent); animation: drift1 18s ease-in-out infinite alternate; }
.hero .m2 { width: 720px; height: 620px; right: -14%; top: -6%; background: radial-gradient(closest-side, var(--mesh-2), transparent); animation: drift2 22s ease-in-out infinite alternate; }
.hero .m3 { width: 900px; height: 520px; left: 50%; top: 52%; transform: translateX(-50%); background: radial-gradient(closest-side, var(--mesh-3), transparent); animation: drift3 16s ease-in-out infinite alternate; }
@keyframes drift1 { to { transform: translate(120px, 80px) scale(1.1); } }
@keyframes drift2 { to { transform: translate(-140px, 60px) scale(.92); } }
@keyframes drift3 { to { transform: translateX(-42%) scale(1.15); } }
.hero-bg .grid, .ph-bg .grid { position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px; background-position: center top;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%); mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%); }
.beams { position: absolute; inset: 0; }
.beams i { position: absolute; top: -40%; width: 1px; height: 40%; background: linear-gradient(180deg, transparent, rgba(110,168,255,.9), transparent); animation: beam 7s linear infinite; opacity: .7; }
:root[data-theme="light"] .beams i { background: linear-gradient(180deg, transparent, rgba(47,95,240,.55), transparent); }
.beams i:nth-child(1) { left: 14%; animation-delay: -1s; } .beams i:nth-child(2) { left: 31%; animation-delay: -4.5s; animation-duration: 9s; }
.beams i:nth-child(3) { left: 50%; animation-delay: -2.5s; animation-duration: 8s; } .beams i:nth-child(4) { left: 69%; animation-delay: -6s; }
.beams i:nth-child(5) { left: 86%; animation-delay: -3s; animation-duration: 10s; }
@keyframes beam { to { top: 120%; } }
.hero-copy { position: relative; z-index: 3; display: flex; flex-direction: column; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px 7px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; letter-spacing: .12em; color: var(--heading); background: var(--surface); border: 1px solid var(--line-2); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(45,212,191,.2), 0 0 12px var(--teal); }
.hero h1 { font-size: clamp(52px, 7.4vw, 104px); font-weight: 800; letter-spacing: -.035em; line-height: 1.04; margin: 24px 0 22px; min-height: 2.08em; }
.hero h1 .grad { background: linear-gradient(180deg, var(--heading) 30%, color-mix(in srgb, var(--heading) 70%, transparent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero h1 .accent { background: var(--grad-text); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: shine 8s ease-in-out infinite alternate; }
@keyframes shine { to { background-position: 100% 0; } }
.type-cursor { display: inline-block; width: 4px; height: .8em; margin-left: 8px; background: var(--accent); vertical-align: -6px; border-radius: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.glitch-line { display: inline-block; }
.hero .slogan { font-size: 17px; font-weight: 650; letter-spacing: .1em; color: var(--accent-ink); margin-bottom: 14px; }
.hero .lead { font-size: 18.5px; max-width: 36em; margin: 0 auto; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 30px 0 22px; }
.pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.pill { padding: 6px 14px; border-radius: 999px; font-size: 13px; color: var(--muted); background: var(--surface); border: 1px solid var(--line); }
.stage { position: relative; z-index: 2; width: min(1100px, 100%); margin: 28px auto 0; display: grid; place-items: end center; perspective: 1000px; }
.stage-glow { position: absolute; left: 50%; bottom: -10%; width: 80%; height: 90%; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(closest-side, rgba(79,124,255,.55), rgba(45,212,191,.18) 55%, transparent); filter: blur(30px); }
:root[data-theme="light"] .stage-glow { background: radial-gradient(closest-side, rgba(79,124,255,.45), rgba(139,92,246,.18) 55%, transparent); }
.stage-ring { position: absolute; left: 50%; bottom: 0; border-radius: 50%; border: 1px solid rgba(110,168,255,.22); transform: translateX(-50%); pointer-events: none; }
.stage-ring.r1 { width: 104%; aspect-ratio: 2.4; bottom: -34%; }
.stage-ring.r2 { width: 78%; aspect-ratio: 2.4; bottom: -22%; border-color: rgba(139,92,246,.24); }
.stage-globe { position: relative; z-index: 2; width: min(860px, 92%); margin-bottom: -2px; filter: drop-shadow(0 -10px 60px rgba(79,124,255,.35)); transition: transform .2s linear; }
:root[data-theme="light"] .stage-globe { filter: drop-shadow(0 -10px 50px rgba(47,95,240,.3)) saturate(1.1); }
.chip { position: absolute; z-index: 3; padding: 14px 18px; border-radius: 16px; text-align: left; font-size: 13px; color: var(--muted); background: var(--nav-bg); border: 1px solid var(--line-2); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: var(--shadow-2); animation: floatY 6s ease-in-out infinite; }
.chip b { display: block; font-size: 24px; font-weight: 800; letter-spacing: -.02em; color: var(--heading); line-height: 1.2; }
.chip.c1 { left: 4%; top: 18%; } .chip.c2 { right: 4%; top: 40%; animation-delay: -2.5s; }
@keyframes floatY { 50% { transform: translateY(-8px); } }

/* ---------- STAT BAND ---------- */
.stat-band { position: relative; z-index: 3; background: linear-gradient(110deg, #1f3bc4 0%, #4b2fc9 52%, #09667c 100%); color: #fff; overflow: hidden; }
.stat-band::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px); background-size: 48px 48px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent); mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent); }
.stat-band::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.6), transparent); }
.stat-band .stats { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-band .stat { padding: 48px 28px 44px; border-left: 1px solid rgba(255,255,255,.16); }
.stat-band .stat:first-child { border-left: 0; padding-left: 0; }
.stat-band .stat b { display: block; font-size: clamp(40px, 4.6vw, 64px); font-weight: 800; letter-spacing: -.035em; line-height: 1; color: #fff; font-variant-numeric: tabular-nums; }
.stat-band .stat .label { display: block; margin-top: 12px; font-size: 15px; color: rgba(255,255,255,.88); }

/* ---------- sections ---------- */
.section { position: relative; z-index: 2; padding: 136px 0; }
.section.band { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
:root[data-theme="light"] .section.band { background: #fff; }
.section-tight { padding: 32px 0 120px; }

/* ---------- cards (shared) ---------- */
.gcard, .news-card, .c-card { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow-1); transition: transform .35s var(--ease), border-color .35s, box-shadow .35s, background .35s; isolation: isolate; }
.gcard::after, .news-card::after, .c-card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--c, var(--accent)) 16%, transparent), transparent 60%); }
.gcard:hover::after, .news-card:hover::after, .c-card:hover::after { opacity: 1; }
.gcard:hover, .news-card:hover { border-color: var(--line-2); box-shadow: var(--shadow-2); }
.spot { display: none; }
.ico-wrap { width: 48px; height: 48px; border-radius: 14px; display: inline-grid; place-items: center; color: var(--c, var(--accent)); background: var(--c-soft, rgba(110,168,255,.12)); border: 1px solid color-mix(in srgb, var(--c, var(--accent)) 35%, transparent); }

/* solutions bento */
.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.span-3 { grid-column: span 3; } .span-4 { grid-column: span 4; } .span-5 { grid-column: span 5; } .span-6 { grid-column: span 6; } .span-7 { grid-column: span 7; } .span-12 { grid-column: span 12; }
.row-2 { grid-row: span 2; }
.sol-card { padding: 36px; min-height: 300px; cursor: pointer; overflow: hidden; display: flex; flex-direction: column; }
.sol-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--c), transparent 80%); opacity: .9; }
.sol-card .sol-card-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 28px; }
.sol-idx { font-family: var(--mono); font-size: 13px; color: var(--faint); letter-spacing: .1em; }
.sol-card h3 { font-size: 26px; font-weight: 750; letter-spacing: -.01em; margin-bottom: 12px; }
.sol-card p { color: var(--muted); font-size: 15.5px; max-width: 34em; }
.sol-card ul { list-style: none; margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.sol-card li { font-size: 13.5px; padding: 5px 12px; border-radius: 999px; color: var(--text); background: var(--c-soft); border: 1px solid color-mix(in srgb, var(--c) 28%, transparent); }
.sol-card .more { margin-top: auto; padding-top: 22px; }
.sol-card.is-on { border-color: color-mix(in srgb, var(--c) 55%, transparent); background: linear-gradient(180deg, var(--c-soft), var(--surface) 70%); }
.sol-card:hover { transform: translateY(-4px); }
.sol-card.span-7 { background-image: radial-gradient(600px 300px at 100% 0%, var(--c-soft), transparent 70%); }
.sol-tabs { display: none; }
.console { margin-top: 20px; display: grid; grid-template-columns: 1fr 1.1fr; overflow: hidden; }
.console::before { content: "TOPOLOGY · 网络拓扑示意"; position: absolute; top: 0; left: 0; right: 0; height: 40px; padding: 0 20px; display: flex; align-items: center; font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; color: var(--faint); border-bottom: 1px solid var(--line); background: var(--surface); }
.sol-panels { padding: 76px 40px 40px; }
.sol-panel { display: none; }
.sol-panel.is-on { display: block; animation: fadeUp .4s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.sol-panel h3 { font-size: 28px; font-weight: 750; margin-bottom: 12px; }
.sol-panel p { color: var(--muted); }
.sol-panel ul { list-style: none; margin-top: 20px; display: grid; gap: 10px; }
.sol-panel li { position: relative; padding-left: 28px; color: var(--text); font-size: 15px; }
.sol-panel li::before { content: ""; position: absolute; left: 0; top: 7px; width: 16px; height: 16px; border-radius: 5px; background: var(--grad); opacity: .9; }
.sol-panel li::after { content: ""; position: absolute; left: 5px; top: 10px; width: 5px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.sol-map { padding: 56px 20px 16px; border-left: 1px solid var(--line); background: radial-gradient(70% 70% at 60% 40%, rgba(79,124,255,.12), transparent 70%); }
.sol-map svg { width: 100%; height: 320px; }
.sol-map .hint { font-size: 12px; color: var(--faint); text-align: center; }
.topo-line { fill: none; stroke: color-mix(in srgb, var(--accent) 35%, transparent); stroke-width: 1.4; }
.topo-line.is-live { stroke: var(--teal); stroke-width: 2; filter: drop-shadow(0 0 4px var(--teal)); }
.topo-packet { opacity: 0; } .topo-group.is-live .topo-packet { opacity: 1; }
.topo-node circle { fill: var(--surface-solid); stroke: color-mix(in srgb, var(--accent) 55%, transparent); stroke-width: 1.5; }
.topo-node.is-live circle { stroke: var(--teal); filter: drop-shadow(0 0 6px var(--teal)); }
.topo-node text { fill: var(--muted); font-size: 11.5px; text-anchor: middle; font-family: var(--sans); }
.topo-node.is-live text { fill: var(--heading); font-weight: 600; }

/* capabilities bento */
.adv-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.adv { padding: 32px; display: flex; flex-direction: column; }
.adv .ico-wrap { margin-bottom: 20px; }
.adv-metric { margin-bottom: 18px; display: flex; flex-direction: column-reverse; align-items: flex-start; }
.metric { font-size: 40px; font-weight: 800; letter-spacing: -.03em; line-height: 1.05; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metric-word { font-size: 28px; letter-spacing: 0; }
.metric-cap { font-size: 13px; color: var(--faint); margin-top: 6px; }
.adv h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.adv p { font-size: 15px; color: var(--muted); }
.adv-hero { padding: 44px; justify-content: flex-end; overflow: hidden; background: radial-gradient(500px 360px at 0% 0%, rgba(79,124,255,.22), transparent 70%), radial-gradient(420px 320px at 100% 100%, rgba(139,92,246,.18), transparent 70%), var(--surface); }
.adv-hero .ico-wrap { position: absolute; top: 44px; left: 44px; width: 64px; height: 64px; border-radius: 18px; }
.adv-hero .ico-wrap .ico { width: 30px; height: 30px; }
.adv-hero .metric { font-size: clamp(48px, 5vw, 72px); }
.adv-hero h3 { font-size: 28px; } .adv-hero p { font-size: 16.5px; }
.adv-hero::before { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%; border: 1px solid var(--line-2); box-shadow: 0 0 0 40px color-mix(in srgb, var(--line) 50%, transparent), 0 0 0 80px color-mix(in srgb, var(--line) 30%, transparent); }

/* showcase case */
.showcase { position: relative; overflow: hidden; border-radius: var(--r-lg); padding: 64px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; color: #fff;
  background: linear-gradient(135deg, #101b4d 0%, #23146a 55%, #07354a 100%); border: 1px solid rgba(255,255,255,.12); box-shadow: 0 40px 80px -40px rgba(40,40,160,.6); }
.showcase-glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(600px 300px at 15% 0%, rgba(110,168,255,.35), transparent 70%), radial-gradient(500px 300px at 100% 100%, rgba(45,212,191,.25), transparent 70%); }
.showcase::after { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 40px 40px; -webkit-mask-image: radial-gradient(ellipse at 80% 50%, #000, transparent 70%); mask-image: radial-gradient(ellipse at 80% 50%, #000, transparent 70%); }
.showcase > *:not(.showcase-glow) { position: relative; z-index: 1; }
.showcase .eyebrow { color: #9ee8dc; }
.showcase h3 { font-size: clamp(32px, 3.6vw, 48px); font-weight: 800; letter-spacing: -.02em; margin: 14px 0 16px; color: #fff; }
.showcase-copy p:not(.eyebrow) { font-size: 17.5px; line-height: 1.85; color: rgba(255,255,255,.86); }
.showcase-stats { display: grid; gap: 16px; }
.big-stat { padding: 26px 28px; border-radius: 18px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.big-stat b { display: block; font-size: clamp(44px, 5vw, 68px); font-weight: 800; letter-spacing: -.03em; line-height: 1.05; background: linear-gradient(100deg, #fff, #a9f0e4); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.big-stat span { display: block; margin-top: 6px; font-size: 15px; color: rgba(255,255,255,.85); }
.feature-row { margin-top: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 28px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-1); }
.fr-media { border-radius: 18px; overflow: hidden; background: radial-gradient(70% 70% at 50% 45%, rgba(79,124,255,.28), transparent 70%), var(--bg-3); aspect-ratio: 4 / 3; display: grid; place-items: center; }
.fr-media img { width: 86%; height: 86%; object-fit: contain; transition: transform .6s var(--ease); }
.feature-row:hover .fr-media img { transform: scale(1.04) translateY(-4px); }
.fr-copy { padding: 16px 24px 16px 0; }
.fr-copy h3 { font-size: clamp(26px, 2.6vw, 34px); font-weight: 780; margin: 12px 0 14px; }
.fr-copy p:not(.eyebrow) { color: var(--muted); font-size: 16.5px; line-height: 1.85; }

/* about */
.about-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: start; }
.about-copy p { color: var(--muted); font-size: 16.5px; line-height: 1.9; margin-bottom: 18px; }
.about-copy p:first-child { font-size: 19px; color: var(--text); line-height: 1.8; }
.values { display: grid; gap: 16px; }
.value { padding: 26px 28px; overflow: hidden; }
.value::before { content: ""; position: absolute; left: 0; top: 18px; bottom: 18px; width: 3px; border-radius: 0 3px 3px 0; background: var(--c); }
.value h3 { font-size: 13px; font-family: var(--mono); letter-spacing: .2em; color: var(--c); margin-bottom: 8px; }
:root[data-theme="light"] .value h3 { color: color-mix(in srgb, var(--c) 85%, #000); }
.value p { font-size: 17px; font-weight: 600; color: var(--heading); line-height: 1.6; }
.cert-head { margin: 80px 0 28px; }
.cert-head h3 { font-size: 26px; font-weight: 750; margin-bottom: 8px; }
.cert-strip, .certs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.cert-strip a, .certs a { display: block; border-radius: 14px; overflow: hidden; background: var(--surface-solid); border: 1px solid var(--line); padding: 8px; box-shadow: var(--shadow-1); transition: transform .35s var(--ease), box-shadow .35s, border-color .35s; }
.cert-strip a:hover, .certs a:hover { transform: translateY(-6px) rotate(-.6deg); box-shadow: var(--shadow-2); border-color: var(--accent); }
.cert-strip img, .certs img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: top; border-radius: 8px; }

/* news cards */
.sec-row .sec-head { margin-bottom: 48px; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card { display: flex; flex-direction: column; overflow: hidden; }
.news-card:hover { transform: translateY(-4px); }
.nc-vis { display: block; aspect-ratio: 16 / 8; position: relative; overflow: hidden; border-bottom: 1px solid var(--line);
  background: radial-gradient(120% 140% at 0% 0%, rgba(79,124,255,.30), transparent 55%), radial-gradient(120% 140% at 100% 100%, rgba(139,92,246,.26), transparent 55%), var(--bg-3); }
.news-card:nth-child(3n+2) .nc-vis { background: radial-gradient(120% 140% at 100% 0%, rgba(45,212,191,.26), transparent 55%), radial-gradient(120% 140% at 0% 100%, rgba(79,124,255,.24), transparent 55%), var(--bg-3); }
.news-card:nth-child(3n) .nc-vis { background: radial-gradient(120% 140% at 50% 0%, rgba(139,92,246,.30), transparent 55%), radial-gradient(120% 140% at 0% 100%, rgba(255,138,76,.16), transparent 55%), var(--bg-3); }
.nc-vis::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 24px 24px; }
.nc-vis img { width: 100%; height: 100%; object-fit: cover; position: relative; z-index: 1; transition: transform .6s var(--ease); }
.news-card:hover .nc-vis img { transform: scale(1.05); }
.nc-date { position: absolute; left: 24px; bottom: 18px; z-index: 1; display: flex; flex-direction: column; line-height: 1; }
.nc-date b { font-size: 44px; font-weight: 800; letter-spacing: -.03em; color: var(--heading); font-variant-numeric: tabular-nums; }
.nc-date i { font-style: normal; font-family: var(--mono); font-size: 13px; letter-spacing: .2em; color: var(--muted); margin-top: 8px; }
.nc-body { display: flex; flex-direction: column; gap: 10px; padding: 22px 24px 24px; flex: 1; }
.nc-body time { font-family: var(--mono); font-size: 12.5px; color: var(--faint); letter-spacing: .06em; }
.nc-title { font-size: 17px; font-weight: 650; line-height: 1.55; color: var(--heading); }
.nc-more { margin-top: auto; padding-top: 6px; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--accent-ink); }
.news-card:hover .nc-more .arr { transform: translateX(4px); }
.news-card.is-feature { grid-column: span 2; grid-row: span 2; }
.news-card.is-feature .nc-vis { aspect-ratio: auto; flex: 1; min-height: 240px; }
.news-card.is-feature .nc-date b { font-size: 88px; }
.news-card.is-feature .nc-title { font-size: 24px; line-height: 1.45; }
.news-card.is-feature .nc-body { flex: 0 0 auto; padding: 28px 32px 32px; }

/* contact */
.contact-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: stretch; }
.contact-main { padding: 40px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-1); }
.contact-main h3 { font-size: 24px; font-weight: 750; margin-bottom: 24px; }
.c-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.c-card { padding: 20px; display: grid; grid-template-columns: auto 1fr; column-gap: 14px; row-gap: 2px; align-items: center; background: var(--bg); box-shadow: none; }
:root[data-theme="light"] .c-card { background: var(--bg); }
.c-card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.c-ico { grid-row: span 2; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: var(--accent-ink); background: rgba(110,168,255,.12); border: 1px solid rgba(110,168,255,.25); }
.c-ico svg { width: 20px; height: 20px; }
.c-k { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; color: var(--faint); }
.c-v { font-size: 15.5px; font-weight: 600; color: var(--heading); line-height: 1.55; word-break: break-word; }
.c-v a:hover { color: var(--accent-ink); }
.contact-main .hero-actions { justify-content: flex-start; margin: 28px 0 0; }
.contact-main .hero-actions .btn { height: 44px; padding: 0 18px; font-size: 14.5px; }
.map { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-1); min-height: 100%; position: relative; }
.map img { width: 100%; height: 100%; object-fit: cover; min-height: 380px; transition: transform .6s var(--ease); }
.map:hover img { transform: scale(1.03); }

/* ---------- CTA band + footer ---------- */
.cta-band { position: relative; z-index: 2; padding: 0; margin-top: 0; }
.p-home .cta-band { margin-top: 0; padding-top: 120px; }
.cta-inner { position: relative; overflow: hidden; border-radius: 32px; padding: 72px 72px; display: flex; align-items: center; justify-content: space-between; gap: 40px; color: #fff;
  background: linear-gradient(115deg, #2443d6 0%, #5a34d8 50%, #09667c 100%); box-shadow: 0 40px 80px -40px rgba(60,60,200,.7); }
.cta-inner::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 44px 44px; -webkit-mask-image: radial-gradient(ellipse at 85% 40%, #000, transparent 70%); mask-image: radial-gradient(ellipse at 85% 40%, #000, transparent 70%); }
.cta-inner::after { content: ""; position: absolute; width: 520px; height: 520px; right: -140px; top: -260px; border-radius: 50%; background: radial-gradient(closest-side, rgba(255,255,255,.28), transparent); }
.cta-inner > * { position: relative; z-index: 1; }
.cta-band .eyebrow { color: #c9f5ee; }
.cta-title { font-size: clamp(32px, 4vw, 54px); font-weight: 800; letter-spacing: -.02em; color: #fff; margin: 10px 0 12px; }
.cta-sub { font-size: 17px; color: rgba(255,255,255,.88); max-width: 30em; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; flex-shrink: 0; }
.site-foot { position: relative; z-index: 2; margin-top: 120px; padding: 88px 0 36px; background: #04050a; color: #e8ecf6; border-top: 1px solid rgba(255,255,255,.08); overflow: hidden;
  --heading: #fff; --muted: #a9b1c4; --faint: #8a93a8; --line: rgba(255,255,255,.09); }
.site-foot::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent, #4f7cff, #8b5cf6, #2dd4bf, transparent); }
.foot-top { display: grid; grid-template-columns: 1.6fr .8fr .8fr 1.2fr; gap: 48px; }
.foot-brand p { margin-top: 20px; color: var(--muted); font-size: 14.5px; max-width: 26em; line-height: 1.8; }
.site-foot .brand-name { color: #fff; } .site-foot .brand-sub { color: var(--faint); }
.site-foot .brand-mark { display: block !important; height: 34px; }
.foot-col h4 { font-family: var(--mono); font-size: 12px; letter-spacing: .2em; color: var(--faint); margin-bottom: 18px; font-weight: 600; }
.foot-col a, .foot-col p { display: block; font-size: 14.5px; color: var(--muted); padding: 5px 0; line-height: 1.6; transition: color .2s; }
.foot-col p a { display: inline; padding: 0; }
.foot-col a:hover { color: #fff; }
.foot-word { margin: 56px 0 0; font-size: clamp(80px, 17vw, 240px); font-weight: 900; letter-spacing: -.04em; line-height: .85; text-align: center; user-select: none;
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,0) 85%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--faint); font-size: 13px; }
.beian { display: flex; flex-wrap: wrap; gap: 18px; }
.beian a:hover { color: #fff; }

/* ---------- inner pages ---------- */
.page-hero { position: relative; z-index: 2; margin-top: calc(-1 * (var(--nav) + 12px)); padding: calc(var(--nav) + 12px + 88px) 0 72px; overflow: hidden; isolation: isolate; border-bottom: 1px solid var(--line); }
.page-hero .m1 { width: 640px; height: 480px; right: -8%; top: -30%; background: radial-gradient(closest-side, var(--c-mesh, var(--mesh-1)), transparent); }
.page-hero .m2 { width: 520px; height: 420px; left: -10%; top: 10%; background: radial-gradient(closest-side, var(--mesh-2), transparent); opacity: .7; }
.p-solution .page-hero { --c-mesh: color-mix(in srgb, var(--c) 55%, transparent); }
.page-hero .wrap { position: relative; }
.crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13.5px; color: var(--faint); margin-bottom: 28px; }
.crumb a { color: var(--muted); } .crumb a:hover { color: var(--heading); }
.page-hero h1 { font-size: clamp(40px, 6vw, 80px); font-weight: 800; letter-spacing: -.03em; line-height: 1.08; margin: 16px 0 20px; max-width: 16em; }
.p-article .page-hero h1 { font-size: clamp(30px, 3.8vw, 48px); line-height: 1.3; max-width: 24em; letter-spacing: -.015em; }
.page-hero .lead { font-size: 18.5px; max-width: 44em; }
.p-solution .page-hero .eyebrow { color: var(--c); }
:root[data-theme="light"] .p-solution .page-hero .eyebrow { color: color-mix(in srgb, var(--c) 85%, #000); }
.p-solution .page-hero h1 { background: linear-gradient(100deg, var(--heading) 40%, var(--c)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.doc-block { padding: 32px; overflow: hidden; }
.doc-block::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--c, var(--accent)), transparent 70%); }
.doc-block h3 { font-size: 21px; font-weight: 750; margin-bottom: 12px; }
.doc-block p { color: var(--muted); }
.doc-block ul { list-style: none; margin-top: 12px; display: grid; gap: 8px; }
.doc-block li { position: relative; padding-left: 22px; color: var(--muted); font-size: 15.5px; line-height: 1.7; }
.doc-block li::before { content: ""; position: absolute; left: 2px; top: 10px; width: 8px; height: 8px; border-radius: 3px; background: var(--c, var(--accent)); transform: rotate(45deg); }
.p-solution .bento { margin-top: 0; }
.p-solution .bento + .h2, .section-tight .h2 { font-size: clamp(28px, 3.2vw, 40px); margin: 72px 0 28px; }
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 5px; margin-top: 48px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); }
.seg-item { padding: 10px 18px; border-radius: 10px; font-size: 14.5px; font-weight: 600; color: var(--muted); transition: background .2s, color .2s; }
.seg-item:hover { color: var(--heading); background: var(--surface-2); }
.seg-item.is-on { color: #fff; background: linear-gradient(135deg, var(--btn-a), var(--btn-b)); }
.split-2 { display: grid; grid-template-columns: 1.3fr .7fr; gap: 48px; align-items: start; }
.prose { max-width: 760px; font-size: 17px; }
.prose p { color: var(--muted); line-height: 1.95; margin-bottom: 1.15em; }
.p-company .prose p:first-child { font-size: 19px; color: var(--text); }
.prose h2, .prose h3 { font-size: 22px; margin: 1.6em 0 .6em; color: var(--heading); }
.prose img { width: 100%; border-radius: 16px; border: 1px solid var(--line); margin: 1.2em 0 1.5em; }
.prose ul, .prose ol { margin: 0 0 1.2em 1.2em; color: var(--muted); }
.prose .date { display: inline-flex; padding: 6px 14px; border-radius: 999px; font-family: var(--mono); font-size: 13px; color: var(--accent-ink); background: rgba(110,168,255,.10); border: 1px solid rgba(110,168,255,.25); margin-bottom: 28px; }
.prose .sources { margin-top: 40px; padding: 24px 28px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); }
.prose .sources h3 { font-size: 15px; margin: 0 0 10px; font-family: var(--mono); letter-spacing: .12em; color: var(--faint); }
.prose .sources ul { margin-left: 1.1em; }
.prose .sources a { color: var(--accent-ink); word-break: break-all; font-size: 15px; }
.p-article .section-tight .wrap { max-width: 800px; }
.p-article .prose { margin: 0 auto; }
.p-company .section-tight .h2 { margin: 96px 0 24px; }
.certs { margin-top: 28px; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery a { display: block; border-radius: 18px; overflow: hidden; background: var(--surface-solid); border: 1px solid var(--line); padding: 10px; box-shadow: var(--shadow-1); transition: transform .35s var(--ease), box-shadow .35s; }
.gallery a:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.gallery img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: top; border-radius: 10px; }
.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dl-card { padding: 40px; overflow: hidden; }
.dl-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--grad); }
.dl-card .h2 { font-size: clamp(26px, 2.6vw, 34px); margin: 10px 0 8px; }
.dl-apps { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 28px; }
.dl-app { display: flex; flex-direction: column; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); text-align: center; }
.dl-app:hover { color: var(--heading); }
.qr { width: 132px; height: 132px; object-fit: contain; background: #fff; border-radius: 16px; padding: 8px; border: 1px solid var(--line); box-shadow: var(--shadow-1); transition: transform .3s var(--ease); }
.dl-app:hover .qr { transform: translateY(-4px); }
.dl-card .hero-actions { justify-content: flex-start; margin: 28px 0 0; }
.dl-note { margin-top: 28px; color: var(--faint); font-size: 14px; }
.article-foot { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--faint); font-size: 14px; }
.p-article .section-tight .wrap > p:last-child { margin-top: 40px; }
.news-grid-page .news-card:first-child { grid-column: auto; }

/* ---------- reveal (JS-only) ---------- */
.reveal { opacity: 0; transform: translateY(24px); }
.js .reveal.in { animation: rv .8s var(--ease) forwards; }
@keyframes rv { to { opacity: 1; transform: none; } }
html:not(.js) .reveal { opacity: 1; transform: none; }
.js .bento > .reveal.in:nth-child(2), .js .adv-grid > .reveal.in:nth-child(2), .js .news-grid > .reveal.in:nth-child(2), .js .stats > .reveal.in:nth-child(2), .js .values > .reveal.in:nth-child(2), .js .c-grid > .reveal.in:nth-child(2) { animation-delay: .08s; }
.js .bento > .reveal.in:nth-child(3), .js .adv-grid > .reveal.in:nth-child(3), .js .news-grid > .reveal.in:nth-child(3), .js .stats > .reveal.in:nth-child(3), .js .values > .reveal.in:nth-child(3), .js .c-grid > .reveal.in:nth-child(3) { animation-delay: .16s; }
.js .bento > .reveal.in:nth-child(4), .js .adv-grid > .reveal.in:nth-child(4), .js .news-grid > .reveal.in:nth-child(4), .js .stats > .reveal.in:nth-child(4), .js .c-grid > .reveal.in:nth-child(4) { animation-delay: .24s; }
.js .adv-grid > .reveal.in:nth-child(5), .js .news-grid > .reveal.in:nth-child(5) { animation-delay: .32s; }
.js .news-grid > .reveal.in:nth-child(6) { animation-delay: .4s; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .span-3 { grid-column: span 6; }
  .adv-hero.span-6 { grid-column: span 12; grid-row: auto; min-height: 380px; }
  .showcase { grid-template-columns: 1fr; padding: 48px; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-card.is-feature { grid-column: span 2; grid-row: auto; }
  .cert-strip, .certs { grid-template-columns: repeat(3, 1fr); }
  .foot-top { grid-template-columns: 1fr 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
  .cta-inner { flex-direction: column; align-items: flex-start; padding: 56px 48px; }
}
@media (max-width: 980px) {
  .nav-links, .nav .nav-links .btn { display: none; }
  .menu-toggle { display: grid; place-items: center; }
  .nav-inner > .theme-toggle { order: 0; margin-left: auto; }
  .nav.open .nav-links { display: flex; flex-direction: column; align-items: stretch; gap: 2px; position: absolute; left: 16px; right: 16px; top: calc(var(--nav) + 20px); padding: 12px; border-radius: 18px; background: var(--surface-solid); border: 1px solid var(--line-2); box-shadow: var(--shadow-2); max-height: calc(100vh - 100px); overflow: auto; }
  :root:not([data-theme="light"]) .nav.open .nav-links { background: #0c0f19; }
  .nav.open .nav-links > a, .nav.open .drop > span { padding: 12px 14px; font-size: 15.5px; }
  .nav.open .nav-links .btn { display: inline-flex; margin: 8px 0 0; height: 48px; }
  .drop-menu { position: static; display: block; background: transparent; border: 0; box-shadow: none; padding: 0 0 4px 12px; min-width: 0; }
  .span-4, .span-5, .span-6, .span-7 { grid-column: span 12; }
  .console { grid-template-columns: 1fr; }
  .sol-map { border-left: 0; border-top: 1px solid var(--line); padding-top: 16px; }
  .feature-row, .about-grid, .contact-wrap, .split-2, .dl-grid { grid-template-columns: 1fr; }
  .feature-row { gap: 24px; } .fr-copy { padding: 8px; }
  .gallery { grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
  .chip.c1 { left: 0; top: 4%; } .chip.c2 { right: 0; top: 30%; }
}
@media (max-width: 640px) {
  .wrap { width: calc(100% - 40px); }
  .nav { padding-top: 8px; } .nav-inner { width: calc(100% - 20px); padding: 0 8px 0 14px; height: 58px; border-radius: 16px; gap: 8px; }
  .nav.open .nav-links { left: 10px; right: 10px; top: 70px; }
  .brand-mark { height: 26px; } .brand-name { font-size: 15px; }
  .hero { padding-top: calc(var(--nav) + 12px + 56px); }
  .hero h1 { font-size: clamp(40px, 12vw, 52px); min-height: 0; margin: 20px 0 18px; letter-spacing: -.03em; }
  .hero .slogan { font-size: 14px; letter-spacing: .03em; }
  .hero .lead, .lead { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; width: 100%; }
  .pills { gap: 6px; } .pill { font-size: 12px; padding: 5px 10px; }
  .stage { margin-top: 36px; }
  .chip { padding: 10px 12px; font-size: 11.5px; border-radius: 12px; } .chip b { font-size: 18px; }
  .chip.c1 { top: -6%; left: 14px; } .chip.c2 { top: 22%; right: 14px; }
  .stat-band .stats { grid-template-columns: 1fr 1fr; }
  .stat-band .stat { padding: 28px 16px; border-left: 0; border-top: 1px solid rgba(255,255,255,.16); }
  .stat-band .stat:nth-child(-n+2) { border-top: 0; }
  .stat-band .stat:nth-child(odd) { padding-left: 0; } .stat-band .stat:nth-child(even) { border-left: 1px solid rgba(255,255,255,.16); }
  .stat-band .stat b { font-size: 38px; } .stat-band .stat .label { font-size: 13px; }
  .section { padding: 88px 0; } .section-tight { padding: 24px 0 80px; }
  .h2 { font-size: clamp(30px, 8.6vw, 38px); }
  .sec-head { margin-bottom: 36px; }
  .sol-card, .adv, .doc-block, .dl-card, .contact-main { padding: 24px; }
  .sol-card { min-height: 0; } .sol-card h3 { font-size: 22px; }
  .sol-panels { padding: 64px 22px 24px; }
  .span-3 { grid-column: span 12; }
  .adv-hero { padding: 28px; min-height: 340px; } .adv-hero .ico-wrap { top: 28px; left: 28px; }
  .showcase { padding: 32px 24px; gap: 28px; border-radius: 22px; }
  .big-stat { padding: 20px; }
  .feature-row { padding: 14px; border-radius: 22px; }
  .about-copy p:first-child { font-size: 17px; }
  .cert-strip, .certs { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cert-head { margin-top: 56px; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card.is-feature { grid-column: auto; }
  .news-card.is-feature .nc-vis { min-height: 180px; } .news-card.is-feature .nc-date b { font-size: 64px; } .news-card.is-feature .nc-title { font-size: 20px; }
  .news-card.is-feature .nc-body { padding: 22px 24px 24px; }
  .c-grid { grid-template-columns: 1fr; }
  .contact-main .hero-actions { flex-direction: column; align-items: stretch; }
  .map img { min-height: 240px; }
  .page-hero { padding: calc(var(--nav) + 12px + 48px) 0 48px; }
  .page-hero h1 { font-size: clamp(36px, 10vw, 46px); }
  .p-article .page-hero h1 { font-size: 26px; }
  .gallery { grid-template-columns: 1fr; }
  .seg { display: flex; } .seg-item { flex: 1 1 auto; text-align: center; padding: 10px 12px; font-size: 14px; }
  .p-home .cta-band { padding-top: 88px; }
  .cta-inner { padding: 40px 24px; border-radius: 24px; }
  .cta-actions { width: 100%; flex-direction: column; } .cta-actions .btn { width: 100%; }
  .site-foot { margin-top: 80px; padding-top: 64px; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .foot-contact { grid-column: 1 / -1; }
  .foot-bottom { flex-direction: column; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  #particles { display: none !important; }
  .type-cursor { display: none; }
  .beams { display: none; }
}
:root[data-theme="light"] .adv-hero::before { opacity: .55; }