/* 极客互动 · 企业微信 API 开放平台
   配色：科技蓝青体系 | 布局交互参考 juzibot careers */
:root {
  --bg: #fff;
  --blue-50: #F0F7FF;
  --blue-100: #DBEAFE;
  --blue-200: #BFDBFE;
  --ink: #0F172A;
  --ink-2: #475569;
  --ink-3: #94A3B8;
  --line: #E2E8F0;
  --line-2: #F1F5F9;
  --primary: #0066FF;
  --primary-2: #3385FF;
  --primary-deep: #0052CC;
  --cyan: #0891B2;
  --on-primary: #fff;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 18px 44px rgba(0, 102, 255, .10);
  --sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "SF Mono", "SFMono-Regular", ui-monospace, Menlo, monospace;
  --ease: cubic-bezier(.19, 1, .22, 1);
  --gut: clamp(22px, 5vw, 72px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
html:not(.lenis) { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--primary); color: #fff; }
.pad { padding-left: var(--gut); padding-right: var(--gut); }
.wrap { max-width: 1200px; margin: 0 auto; }
.label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* Text Swap */
.ts { position: relative; display: inline-flex; overflow: hidden; vertical-align: top; line-height: 1.1; }
.ts > span { display: block; transition: transform .45s var(--ease); }
.ts > span:last-child { position: absolute; left: 0; top: 0; transform: translateY(105%); }
.ts-host:hover .ts > span:first-child { transform: translateY(-105%); }
.ts-host:hover .ts > span:last-child { transform: translateY(0); }

/* Arrow Loop */
.ar { position: relative; display: inline-block; width: 18px; height: 18px; overflow: hidden; flex-shrink: 0; }
.ar svg { position: absolute; inset: 0; width: 18px; height: 18px; transition: transform .42s var(--ease); }
.ar svg:last-child { transform: translateX(-130%); }
.ar-host:hover .ar svg:first-child { transform: translateX(130%); }
.ar-host:hover .ar svg:last-child { transform: translateX(0); }

/* Highlight Sweep */
.hl { position: relative; display: inline-block; margin-left: .18em; color: var(--primary); transition: color .35s var(--ease) .25s; }
.hl::before {
  content: "";
  position: absolute;
  inset: -.04em -.12em;
  background: var(--primary);
  border-radius: .14em;
  transform: scaleX(0);
  transform-origin: right;
  z-index: 0;
  transition: transform .6s var(--ease);
}
.hl > span { position: relative; z-index: 1; }
.hl.in { color: #fff; }
.hl.in::before { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) { .hl { color: var(--primary) !important; } .hl::before { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px; cursor: pointer;
  font-size: 14.5px; font-weight: 700; padding: 14px 24px; border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .4s var(--ease), box-shadow .35s, background .25s, color .25s, border-color .25s;
}
.btn-primary {
  background: var(--primary); color: var(--on-primary);
  box-shadow: 0 1px 2px rgba(0, 60, 160, .20), 0 4px 6px rgba(0, 60, 160, .16), 0 9px 12px rgba(0, 60, 160, .12), 0 17px 20px rgba(0, 60, 160, .07), inset 0 1.5px 1px rgba(255, 255, 255, .45), inset 0 -3px 8px rgba(0, 50, 130, .22);
}
.btn-primary:hover {
  background: var(--primary-deep); transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(0, 60, 160, .22), 0 8px 14px rgba(0, 60, 160, .18), 0 16px 26px rgba(0, 60, 160, .14), inset 0 1.5px 1px rgba(255, 255, 255, .5), inset 0 -3px 8px rgba(0, 50, 130, .24);
}
.btn-line {
  background: #fff; color: var(--ink); border-color: transparent;
  box-shadow: 0 0 0 .5px rgba(5, 26, 36, .06), 0 2px 4px rgba(5, 26, 36, .04), 0 6px 30px rgba(5, 26, 36, .08);
}
.btn-line:hover {
  color: var(--primary-deep); transform: translateY(-2px);
  box-shadow: 0 0 0 .5px rgba(0, 82, 204, .20), 0 4px 10px rgba(5, 26, 36, .06), 0 12px 38px rgba(0, 82, 204, .12);
}

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gut);
  transition: background .4s var(--ease), box-shadow .4s var(--ease), padding .4s var(--ease);
}
.nav.float {
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
  padding-top: 13px; padding-bottom: 13px;
}
.nav .wm { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; letter-spacing: -.01em; color: var(--ink); }
.nav .wm img { width: 32px; height: 32px; object-fit: contain; display: block; filter: drop-shadow(0 4px 10px rgba(0, 102, 255, .22)); }
.nav .wm .dv { width: 1px; height: 16px; background: var(--line); margin: 0 2px; }
.nav .wm small { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: clamp(13px, 1.7vw, 26px); }
.nav-links a { font-size: 14.5px; font-weight: 600; letter-spacing: -.01em; color: var(--ink-2); white-space: nowrap; transition: color .2s var(--ease); }
.nav-links a:hover { color: var(--primary); }
.nav-links a[aria-current] { color: var(--ink); }
.nav-burger { display: none; background: none; border: 0; padding: 6px; margin-right: -6px; cursor: pointer; color: var(--ink); line-height: 0; }
.nav-burger svg { width: 26px; height: 26px; display: block; }
.nav-burger .bg-close { display: none; }
@media (max-width: 920px) {
  .nav-links { display: none; }
  .nav-burger { display: inline-flex; align-items: center; }
  .nav.menu-open { background: rgba(255, 255, 255, .97); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); }
  .nav.menu-open .bg-open { display: none; }
  .nav.menu-open .bg-close { display: block; }
  .nav.menu-open .nav-links {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0; background: #fff;
    border-top: 1px solid var(--line); box-shadow: 0 22px 44px -16px rgba(15, 23, 42, .24);
    padding: 6px 0; max-height: calc(100vh - 64px); overflow: auto;
  }
  .nav.menu-open .nav-links a { padding: 15px var(--gut); font-size: 16px; color: var(--ink); white-space: normal; border-bottom: 1px solid var(--line); }
  .nav.menu-open .nav-links a:last-child { border-bottom: 0; }
  .nav.menu-open .nav-links a[aria-current] { color: var(--primary); }
}

/* Hero */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden;
  padding: 120px var(--gut) 70px;
  background:
    radial-gradient(1100px 560px at 85% -6%, var(--blue-200), transparent 60%),
    radial-gradient(760px 520px at 0% 6%, var(--blue-100), transparent 58%),
    linear-gradient(180deg, var(--blue-50), #fff 70%);
}
.hero .wrap { position: relative; width: 100%; }
.hero .eyebrow, .hero h1, .hero p { position: relative; z-index: 2; }
.hero .cta { position: relative; z-index: 7; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  margin-bottom: clamp(22px, 3vw, 32px);
  padding: 10px 18px 10px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 255, 255, .72) 0%, rgba(240, 247, 255, .55) 100%);
  border: 1px solid rgba(0, 102, 255, .14);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .85) inset, 0 10px 28px rgba(0, 102, 255, .07);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.hero .eyebrow .label {
  font-family: var(--sans);
  font-size: clamp(14px, 1.5vw, 18px);
  font-weight: 680;
  letter-spacing: .06em;
  text-transform: none;
  line-height: 1.35;
  background: linear-gradient(118deg, var(--primary-deep) 0%, var(--primary) 52%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  text-shadow: none;
  filter: drop-shadow(0 1px 0 rgba(255, 255, 255, .45));
}
.hero .eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: linear-gradient(145deg, var(--primary-2), var(--primary-deep));
  box-shadow: 0 0 0 3px rgba(0, 102, 255, .12), 0 0 14px rgba(0, 102, 255, .35);
  position: relative; flex-shrink: 0;
}
.hero .eyebrow .dot::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--primary); animation: ping 1.8s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(1); opacity: .7; } 70%, 100% { transform: scale(3); opacity: 0; } }
.hero h1 {
  font-size: clamp(46px, 8.4vw, 112px); font-weight: 850; letter-spacing: -.04em; line-height: 1.06;
  max-width: 15ch; text-wrap: balance; margin-bottom: clamp(26px, 3.2vw, 38px);
}
.hero h1 .hl { margin-top: 0.1em; }
.hero p { font-size: clamp(16px, 1.5vw, 20px); color: var(--ink-2); max-width: 48ch; line-height: 1.65; }
.hero-trust { position: relative; z-index: 2; margin-top: clamp(22px, 3vw, 32px); font-size: clamp(12px, 1.2vw, 14px); color: var(--ink-3); line-height: 1.6; max-width: 56ch; }
.hero .cta { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: clamp(14px, 1.8vw, 20px); margin-top: clamp(34px, 4.4vw, 48px); }
.btn-lg { font-size: 17px; font-weight: 780; padding: 21px 44px; gap: 13px; border-radius: 18px; }
.btn-lg .ar, .btn-lg .ar svg { width: 20px; height: 20px; }
.hero .btn-primary { background: linear-gradient(135deg, #3385FF 0%, #0066FF 52%, #0052CC 100%); }
.hero .btn-primary:hover { background: linear-gradient(135deg, #4D94FF 0%, #1A75FF 52%, #0066FF 100%); }
.btn-ghost {
  background: rgba(255, 255, 255, .7); color: var(--ink); border: 1.5px solid var(--blue-200);
  backdrop-filter: blur(8px); box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 10px 26px rgba(0, 102, 255, .08);
}
.btn-ghost:hover {
  color: var(--primary-deep); border-color: var(--primary); transform: translateY(-2px);
  box-shadow: 0 2px 6px rgba(0, 82, 204, .10), 0 16px 36px rgba(0, 82, 204, .16);
}
.ghost {
  position: absolute; left: var(--gut); bottom: -2%; z-index: 0; pointer-events: none; font-weight: 850;
  font-size: min(24vw, 320px); line-height: .8; letter-spacing: -.04em; color: transparent;
  -webkit-text-stroke: 1.4px rgba(0, 102, 255, .10); white-space: nowrap;
}

/* Spotlight peek */
.peek {
  position: absolute; inset: 0; z-index: 6; pointer-events: none; opacity: 0; transition: opacity .55s ease; overflow: hidden;
  -webkit-mask-image:
    radial-gradient(circle var(--r0, 0px) at var(--x0, -1200px) var(--y0, -1200px), #000 0, #000 calc(var(--r0, 0px) - 155px), transparent var(--r0, 0px)),
    radial-gradient(circle var(--r1, 0px) at var(--x1, -1200px) var(--y1, -1200px), #000 0, #000 calc(var(--r1, 0px) - 135px), transparent var(--r1, 0px));
  mask-composite: add;
}
.peek.on { opacity: 1; }
.peek .stage { position: absolute; inset: 0; overflow: hidden; mask-image: linear-gradient(180deg, #000 0, #000 90%, transparent 100%); }
.peek .stage::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(900px circle at 50% 64%, rgba(0, 150, 255, .20), transparent 60%), radial-gradient(1300px circle at 50% 38%, #0c1929, #030712 72%);
}
.peek .api-visual {
  position: absolute; left: 50%; top: 44%; width: min(70%, 520px); transform: translate(-50%, -50%);
  animation: facebob 6s ease-in-out infinite;
}
@keyframes facebob { 0%, 100% { transform: translate(-50%, -50%); } 50% { transform: translate(-50%, calc(-50% - 12px)); } }
.peek .hud { position: absolute; color: #fff; }
.peek .hud-l { left: 6%; top: 50%; transform: translateY(-50%); max-width: 30ch; }
.peek .hud-l .ey { font-family: var(--mono); color: #38BDF8; font-size: 13px; letter-spacing: .18em; text-transform: uppercase; }
.peek .hud-l h3 { font-size: clamp(40px, 5vw, 72px); font-weight: 850; letter-spacing: -.02em; margin: 12px 0 16px; color: #fff; }
.peek .hud-l p { color: rgba(255, 255, 255, .66); font-size: 15px; line-height: 1.75; }
.peek .hud-l .st { margin-top: 26px; font-family: var(--mono); font-size: 12px; letter-spacing: .16em; color: rgba(255, 255, 255, .55); }
.peek .hud-l .st b { color: #fff; }
.peek .hud-l .st i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #27E08A; margin-left: 8px; box-shadow: 0 0 10px #27E08A; }
.peek .caps { right: 6%; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 30px; text-align: right; }
.peek .caps .cap b { display: block; font-family: var(--mono); color: #38BDF8; font-size: 11px; letter-spacing: .14em; margin-bottom: 3px; }
.peek .caps .cap span { font-size: 14px; color: rgba(255, 255, 255, .82); }
@media (hover: none), (prefers-reduced-motion: reduce) { .peek { display: none; } }

/* API code block in peek */
.api-code {
  background: rgba(15, 23, 42, .6); border: 1px solid rgba(56, 189, 248, .3); border-radius: 16px;
  padding: 24px 28px; font-family: var(--mono); font-size: 13px; line-height: 1.8; color: #94A3B8;
  backdrop-filter: blur(12px);
}
.api-code .kw { color: #38BDF8; }
.api-code .fn { color: #A5F3FC; }
.api-code .str { color: #86EFAC; }
.api-code .cmt { color: #64748B; }

/* Sections */
.sec { padding-top: clamp(84px, 11vw, 168px); }
.sec-top {
  display: flex; align-items: baseline; gap: 16px; border-top: 1px solid var(--line);
  padding-top: 24px; margin-bottom: clamp(40px, 5vw, 60px);
}
.sec-top h2 { font-size: clamp(28px, 3.6vw, 46px); font-weight: 830; letter-spacing: -.03em; line-height: 1.08; }
.sec-top .label { margin-left: auto; align-self: center; }
.why-lede { font-size: clamp(15px, 1.5vw, 18px); color: var(--ink-2); max-width: 62ch; margin: -14px 0 32px; line-height: 1.7; }

/* Gallery */
.crew { padding-top: clamp(72px, 9vw, 140px); position: relative; overflow: hidden; }
.crew .wrap { position: relative; z-index: 2; }
.gal { position: relative; margin-top: clamp(24px, 3.4vw, 42px); }
.gal-lines { position: absolute; left: 0; top: -4%; width: 100%; height: 108%; z-index: 0; pointer-events: none; color: var(--blue-200); opacity: .75; }
.gal-track {
  position: relative; z-index: 1; display: flex; align-items: flex-end; gap: clamp(26px, 4.6vw, 82px);
  padding: 64px clamp(20px, 5vw, 64px) 26px; overflow-x: auto; overscroll-behavior-x: contain;
  cursor: grab; scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.gal-track::-webkit-scrollbar { display: none; }
.gal-track.drag { cursor: grabbing; }
.gfig { flex: 0 0 auto; margin: 0; position: relative; will-change: transform; opacity: 0; transform: translateY(50px) scale(.95); transition: opacity .7s var(--ease), transform .85s var(--ease); }
.gfig.in { opacity: 1; transform: none; }
.gfig.s { width: clamp(156px, 17vw, 214px); }
.gfig.m { width: clamp(194px, 22vw, 284px); }
.gfig.l { width: clamp(234px, 28vw, 360px); }
.gfig.up { margin-bottom: clamp(46px, 7vw, 104px); }
.gfig.mid { margin-bottom: clamp(18px, 3vw, 44px); }
.gposter {
  position: relative; border-radius: 22px; overflow: hidden; aspect-ratio: 3/4; isolation: isolate;
  background: radial-gradient(128% 84% at 50% -4%, color-mix(in srgb, var(--acc, #0066FF) 46%, #fff), color-mix(in srgb, var(--acc, #0066FF) 13%, #fff) 60%, #fff 92%);
  border: 1px solid color-mix(in srgb, var(--acc, #0066FF) 24%, var(--line));
  box-shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 26px 52px color-mix(in srgb, var(--acc, #0066FF) 20%, transparent);
  transition: transform .35s var(--ease), box-shadow .5s var(--ease), border-color .4s;
  display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 20px;
}
.gfig:hover .gposter { transform: translateY(-10px); border-color: transparent; box-shadow: 0 2px 6px rgba(15, 23, 42, .06), 0 46px 90px color-mix(in srgb, var(--acc, #0066FF) 36%, transparent); }
.gicon { font-size: clamp(48px, 8vw, 72px); line-height: 1; margin-bottom: 12px; filter: drop-shadow(0 8px 16px rgba(0, 102, 255, .2)); }
.gsheen { position: absolute; inset: 0; z-index: 4; pointer-events: none; border-radius: 22px; background: linear-gradient(116deg, transparent 32%, rgba(255, 255, 255, .6) 48%, transparent 64%); transform: translateX(-135%); transition: transform .85s var(--ease); mix-blend-mode: overlay; }
.gfig:hover .gsheen { transform: translateX(135%); }
.gposter .gword { position: absolute; left: 50%; top: 45%; transform: translate(-50%, -50%); z-index: 0; white-space: nowrap; font-weight: 900; font-size: clamp(44px, 7.6vw, 120px); letter-spacing: -.05em; line-height: 1; color: transparent; -webkit-text-stroke: 1.4px color-mix(in srgb, var(--acc, #0066FF) 50%, transparent); opacity: .62; mask-image: linear-gradient(180deg, #000 16%, transparent 74%); }
.gposter .gglow { position: absolute; left: 50%; bottom: -8%; width: 84%; height: 42%; transform: translateX(-50%); z-index: 0; background: radial-gradient(50% 50% at 50% 50%, color-mix(in srgb, var(--acc, #0066FF) 56%, transparent), transparent 70%); filter: blur(13px); opacity: .55; }
.gbadge { position: absolute; left: 12px; top: 12px; z-index: 3; font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: #fff; background: color-mix(in srgb, var(--acc, #0066FF) 86%, #000); padding: 5px 11px; border-radius: 999px; box-shadow: 0 6px 16px color-mix(in srgb, var(--acc, #0066FF) 40%, transparent); }
.gfig figcaption { margin-top: 14px; padding-left: 2px; }
.gname { display: block; font-size: clamp(15px, 1.4vw, 19px); font-weight: 820; letter-spacing: -.02em; color: var(--ink); }
.gstat { display: block; margin-top: 5px; font-size: 12.5px; font-weight: 600; color: color-mix(in srgb, var(--acc, #0066FF) 72%, var(--ink)); }
.gal-hint { position: relative; z-index: 1; text-align: center; margin-top: 16px; font-family: var(--mono); font-size: 12px; letter-spacing: .14em; color: var(--ink-3); }

/* API 能力目录 */
.api-catalog {
  position: relative; z-index: 2;
  margin-top: clamp(48px, 6vw, 72px);
  padding: clamp(28px, 3.5vw, 40px);
  border-radius: var(--radius);
  background: linear-gradient(165deg, #fff 0%, var(--blue-50) 100%);
  border: 1px solid var(--line);
  box-shadow: 0 24px 56px -32px rgba(0, 102, 255, .16);
}
.api-cat-head { margin-bottom: clamp(22px, 2.8vw, 28px); }
.api-cat-title {
  font-size: clamp(22px, 2.4vw, 28px); font-weight: 850; letter-spacing: -.03em;
  color: var(--ink); margin-bottom: 10px;
}
.api-cat-desc { font-size: clamp(14px, 1.3vw, 16px); color: var(--ink-2); line-height: 1.65; max-width: 58ch; }
.api-cat-stat {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-top: 14px; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--ink-3);
}
.api-cat-stat-sep { opacity: .45; }
.api-cat-mode {
  display: inline-flex; gap: 8px; margin-top: 16px;
  padding: 4px; border-radius: 999px; background: #fff; border: 1px solid var(--line);
}
.api-cat-mode-btn {
  border: 0; background: transparent; cursor: pointer;
  padding: 8px 18px; border-radius: 999px;
  font-family: inherit; font-size: 13px; font-weight: 700; color: var(--ink-2);
  transition: background .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease);
}
.api-cat-mode-btn.active {
  color: var(--primary-deep); background: var(--blue-50);
  box-shadow: 0 4px 14px -6px rgba(0, 102, 255, .35);
}
.api-cat-mode-btn:hover:not(.active) { color: var(--primary); }
.api-cat-body {
  display: grid;
  grid-template-columns: minmax(210px, 248px) minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
  align-items: start;
  margin-top: 18px;
}
.api-cat-tabs {
  display: flex; flex-direction: column; flex-wrap: nowrap; gap: 8px;
  overflow-x: hidden; overflow-y: auto; padding: 0; margin: 0;
  position: sticky; top: 88px;
  max-height: min(560px, 68vh);
  scrollbar-width: thin; scrollbar-color: var(--blue-200) transparent;
}
.api-cat-tabs::-webkit-scrollbar { width: 5px; }
.api-cat-tabs::-webkit-scrollbar-thumb { background: var(--blue-200); border-radius: 99px; }
.api-cat-tab {
  width: 100%; display: flex; align-items: center; gap: 8px;
  padding: 11px 12px; border-radius: 12px;
  font-family: inherit; font-size: 13px; font-weight: 650; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line);
  cursor: pointer; white-space: normal; text-align: left;
  transition: background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease);
}
.api-cat-tab-icon { font-size: 15px; line-height: 1; flex-shrink: 0; }
.api-cat-tab-label { flex: 1; min-width: 0; line-height: 1.35; }
.api-cat-tab-num {
  font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .04em;
  color: var(--ink-3); background: var(--line-2); border-radius: 999px; padding: 2px 7px;
  transition: background .22s, color .22s;
}
.api-cat-tab:hover { border-color: var(--blue-200); color: var(--primary); }
.api-cat-tab.active {
  color: var(--primary-deep); background: var(--blue-50);
  border-color: var(--blue-200); box-shadow: 0 8px 22px -12px rgba(0, 102, 255, .35);
}
.api-cat-tab.active .api-cat-tab-num { background: rgba(0, 102, 255, .12); color: var(--primary); }
.api-cat-panel {
  --cat-acc: var(--primary);
  padding: clamp(20px, 2.5vw, 28px);
  border-radius: var(--radius-sm);
  background: #fff; border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}
.api-cat-panel-head {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: clamp(18px, 2.2vw, 22px);
  padding-bottom: 16px; border-bottom: 1px dashed var(--line);
}
.api-cat-panel-icon {
  width: 44px; height: 44px; border-radius: 14px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 22px;
  background: color-mix(in srgb, var(--cat-acc) 12%, #fff);
  border: 1px solid color-mix(in srgb, var(--cat-acc) 22%, var(--line));
  box-shadow: 0 8px 20px -10px color-mix(in srgb, var(--cat-acc) 40%, transparent);
}
.api-cat-panel-title { font-size: clamp(17px, 1.6vw, 20px); font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.api-cat-panel-count { margin-top: 2px; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: var(--ink-3); }
.api-cat-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: 10px;
  max-height: none;
  overflow: visible;
  padding: 0;
}
.api-tag {
  display: flex; align-items: flex-start; gap: 8px;
  width: 100%; min-height: 100%;
  padding: 10px 13px; border-radius: 12px;
  font-size: 13px; font-weight: 550; line-height: 1.45; color: var(--ink);
  background: var(--line-2); border: 1px solid transparent;
  transition: background .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}
.api-tag-dot {
  flex-shrink: 0; width: 6px; height: 6px; margin-top: 6px; border-radius: 50%;
  background: var(--cat-acc);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cat-acc) 18%, transparent);
}
.api-tag:hover {
  background: #fff; border-color: color-mix(in srgb, var(--cat-acc) 28%, var(--line));
  transform: translateY(-1px);
}
.api-cat-foot { margin-top: clamp(20px, 2.5vw, 26px); text-align: center; }
.api-cat-docs {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 700; color: var(--primary);
  padding: 12px 22px; border-radius: 999px;
  background: #fff; border: 1px solid var(--blue-200);
  transition: background .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.api-cat-docs:hover { background: var(--blue-50); border-color: var(--primary); box-shadow: 0 10px 28px -14px rgba(0, 102, 255, .35); }
@media (max-width: 900px) {
  .api-cat-body { grid-template-columns: 1fr; }
  .api-cat-tabs {
    position: static; max-height: none; overflow: visible;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .api-cat-mode { display: flex; width: 100%; }
  .api-cat-mode-btn { flex: 1; text-align: center; padding: 10px 12px; }
  .api-cat-tab { padding: 10px 11px; font-size: 12px; }
}
@media (max-width: 760px) {
  .api-catalog { padding: 22px 18px; }
  .api-cat-tabs { grid-template-columns: 1fr; }
  .api-cat-grid { grid-template-columns: 1fr; }
}

/* Big thing / products */
.bigthing .lead { font-size: clamp(16px, 1.6vw, 20px); color: var(--ink-2); max-width: 56ch; margin: -10px 0 0; line-height: 1.7; }
.eng-formula { display: flex; flex-wrap: wrap; align-items: center; gap: .42em; margin: clamp(28px, 3.2vw, 44px) 0 0; font-size: clamp(19px, 2.1vw, 28px); font-weight: 850; letter-spacing: -.02em; line-height: 1.25; color: var(--ink); }
.eng-formula .ef-op { font-style: normal; color: var(--primary); margin: 0 .06em; }
.eng-formula .ef-r { position: relative; box-shadow: inset 0 -.5em 0 rgba(0, 102, 255, .12); }
.eng-kicker { margin-top: 13px; font-size: 15px; line-height: 1.7; color: var(--ink-2); max-width: 64ch; }

/* Pipeline */
.pipeline { margin-top: clamp(28px, 4vw, 48px); }
.pl-stage { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.pl-head { position: absolute; top: clamp(40px, 8vh, 84px); left: 0; right: 0; display: flex; align-items: center; gap: 16px; }
.pl-line { position: relative; flex: 1; height: 2px; background: var(--line); border-radius: 2px; overflow: hidden; }
.pl-line #plBar { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: linear-gradient(90deg, var(--primary-2), var(--primary)); border-radius: 2px; transition: width .1s linear; }
.pl-cap { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; color: var(--ink-3); }
.pl-live { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); animation: plLive 1.9s var(--ease) infinite; }
@keyframes plLive { 0% { box-shadow: 0 0 0 0 rgba(0, 102, 255, .5); } 70%, 100% { box-shadow: 0 0 0 9px rgba(0, 102, 255, 0); } }
.pl-track { display: flex; align-items: center; gap: clamp(56px, 9vw, 150px); padding: 0 calc(50vw - clamp(150px, 20vw, 260px)); will-change: transform; }
.pl-node { flex: 0 0 auto; width: clamp(300px, 40vw, 520px); opacity: .22; transition: opacity .55s var(--ease), transform .55s var(--ease); }
.pl-node.on { opacity: 1; }
.pl-meta { display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 13px; color: var(--ink-3); margin-bottom: 18px; }
.pl-meta b { color: var(--ink); font-weight: 700; letter-spacing: .04em; }
.pl-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--line); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--line); transition: .45s var(--ease); }
.pl-node.on .pl-dot { background: var(--primary); box-shadow: 0 0 0 1px var(--primary), 0 0 16px rgba(0, 102, 255, .6); }
.pl-tag { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; padding: 2px 8px; border-radius: 999px; background: var(--blue-100); color: var(--primary-deep); }
.pl-node h3 { font-size: clamp(30px, 4.2vw, 60px); font-weight: 850; letter-spacing: -.035em; line-height: 1.02; text-wrap: balance; color: var(--ink-3); transition: color .55s var(--ease); }
.pl-node.on h3 { color: var(--ink); }
.pl-node p { font-size: clamp(15px, 1.5vw, 18px); color: var(--ink-2); line-height: 1.65; margin: 18px 0 0; max-width: 40ch; opacity: 0; transform: translateY(10px); transition: opacity .55s var(--ease) .1s, transform .55s var(--ease) .1s; }
.pl-node.on p { opacity: 1; transform: none; }
.pl-node.enter h3, .pl-node.exit h3 { font-size: clamp(34px, 5vw, 72px); }
.pl-node.exit.on h3 { color: var(--primary); }
.pl-node.exit .pl-meta b { color: var(--primary); }
.pl-fde { position: absolute; left: clamp(16px, 3vw, 40px); right: clamp(16px, 3vw, 40px); bottom: clamp(34px, 8vh, 80px); display: flex; align-items: center; gap: clamp(12px, 1.4vw, 20px); }
.pl-fde .fde-badge { flex: 0 0 auto; display: inline-flex; align-items: baseline; gap: 9px; padding: 11px 20px; border-radius: 999px; background: linear-gradient(120deg, var(--primary), var(--cyan)); box-shadow: 0 10px 28px rgba(0, 102, 255, .36); }
.pl-fde .fde-badge b { font-size: clamp(20px, 2vw, 26px); font-weight: 850; color: #fff; letter-spacing: .07em; }
.pl-fde .fde-badge i { font-style: normal; font-size: 12px; color: rgba(255, 255, 255, .9); letter-spacing: .03em; white-space: nowrap; }
.pl-fde .fde-rail { flex: 1; min-width: 24px; height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--primary), rgba(0, 102, 255, .55) 60%, rgba(0, 102, 255, .1)); box-shadow: 0 0 18px rgba(0, 102, 255, .3); }
.pl-fde .fde-txt { flex: 0 0 auto; font-size: clamp(14px, 1.3vw, 16px); font-weight: 700; color: var(--ink); }
.pl-fde .fde-txt em { font-style: normal; color: var(--primary); }

/* Why index */
.why-index { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 80px); align-items: start; margin-top: clamp(28px, 4vw, 52px); }
.wi-list { list-style: none; border-top: 1px solid var(--ink); }
.wi-item { display: block; width: 100%; text-align: left; background: none; border: 0; border-bottom: 1px solid var(--line-2); padding: clamp(20px, 2.4vw, 30px) 2px; cursor: pointer; font: inherit; color: inherit; appearance: none; transition: padding-left .45s var(--ease); }
.wi-item:hover, .wi-item.active { padding-left: 14px; }
.wi-item:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 6px; }
.wi-row { display: flex; align-items: baseline; gap: clamp(14px, 1.6vw, 22px); }
.wi-num { font-family: var(--mono); font-size: 13px; letter-spacing: .1em; color: var(--ink-3); flex-shrink: 0; transition: color .4s var(--ease); }
.wi-title { font-size: clamp(20px, 2.5vw, 32px); font-weight: 820; letter-spacing: -.025em; line-height: 1.16; color: var(--ink-2); text-wrap: balance; transition: color .4s var(--ease); }
.wi-item:hover .wi-title, .wi-item.active .wi-title { color: var(--ink); }
.wi-item.active .wi-num { color: var(--primary); }
.wi-body { overflow: hidden; max-height: 0; opacity: 0; transition: max-height .6s var(--ease), opacity .45s var(--ease), margin-top .6s var(--ease); }
.wi-item.active .wi-body { max-height: 420px; opacity: 1; margin-top: 14px; }
.wi-body p { color: var(--ink-2); font-size: 15.5px; line-height: 1.78; max-width: 56ch; padding-left: calc(18px + clamp(14px, 1.6vw, 22px)); }
.wi-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; padding-left: calc(18px + clamp(14px, 1.6vw, 22px)); }
.wi-tags .tag { font-size: 13.5px; font-weight: 600; color: var(--ink); background: #fff; border: 1px solid var(--line); padding: 8px 15px; border-radius: 999px; transition: background .25s, color .25s, border-color .25s, transform .25s var(--ease); }
.wi-tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
.wi-stage { position: sticky; top: 120px; min-height: clamp(300px, 40vh, 420px); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; overflow: hidden; }
.wi-bignum { font-size: clamp(170px, 26vw, 320px); font-weight: 850; line-height: .82; letter-spacing: -.06em; color: transparent; -webkit-text-stroke: 1.6px color-mix(in srgb, var(--primary) 42%, transparent); mask-image: linear-gradient(158deg, #000 28%, transparent 92%); }
.wi-bignum.swap { animation: wiSwap .55s var(--ease); }
@keyframes wiSwap { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.wi-cap { display: inline-flex; align-items: center; gap: 10px; margin-top: 8px; font-size: 14px; font-weight: 600; color: var(--ink-2); max-width: 32ch; line-height: 1.4; }
.wi-cap i { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 10px var(--primary); flex-shrink: 0; }
@media (max-width: 760px) { .why-index { grid-template-columns: 1fr; gap: 0; } .wi-stage { display: none; } .wi-body p, .wi-tags { padding-left: 0; } }

/* Terminal */
.term { margin-top: clamp(10px, 2vw, 22px); border-radius: 18px; overflow: hidden; font-family: var(--mono); background: #0c1222; border: 1px solid #1e293b; box-shadow: 0 1px 2px rgba(15, 23, 42, .3), 0 44px 84px rgba(0, 40, 100, .30), inset 0 1px 0 rgba(255, 255, 255, .04); }
.term-bar { display: flex; align-items: center; gap: 12px; padding: 13px 18px; border-bottom: 1px solid #1e293b; background: linear-gradient(180deg, #131c2e, #0c1222); }
.term-bar .dots { display: inline-flex; gap: 7px; }
.term-bar .dots i { width: 11px; height: 11px; border-radius: 50%; }
.term-bar .dots i:nth-child(1) { background: #FF5F57; }
.term-bar .dots i:nth-child(2) { background: #FEBC2E; }
.term-bar .dots i:nth-child(3) { background: #28C840; }
.term-title { font-size: 12.5px; letter-spacing: .04em; color: #64748B; }
.term-stat { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; font-size: 11px; letter-spacing: .14em; color: #475569; }
.term-stat b { width: 7px; height: 7px; border-radius: 50%; background: #27E08A; box-shadow: 0 0 10px #27E08A; animation: tpulse 1.7s infinite; }
@keyframes tpulse { 0%, 100% { opacity: .5; } 50% { opacity: 1; } }
.term-body { padding: clamp(18px, 2.4vw, 30px) clamp(16px, 2.6vw, 32px) clamp(20px, 2.4vw, 34px); font-size: 14px; line-height: 1.7; color: #cbd5e1; background: radial-gradient(120% 80% at 100% 0, rgba(0, 102, 255, .07), transparent 60%); }
.term-cmd { color: #e2e8f0; }
.term-cmd .prompt, .term-end .prompt { color: #38BDF8; font-weight: 700; margin-right: 9px; }
.term-cmd .flag { color: #7DD3FC; }
.term-note { color: #64748B; margin: 4px 0 16px; }
.term-list { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.tline { display: grid; grid-template-columns: 22px minmax(152px, 212px) 1fr; column-gap: 16px; align-items: baseline; padding: 9px 12px; border-radius: 9px; transition: background .25s, opacity .45s, transform .45s; }
.tline.pre { opacity: 0; transform: translateY(9px); }
.tline:hover { background: rgba(255, 255, 255, .05); }
.tline .ck { color: #27E08A; font-weight: 700; }
.tline .k { color: #f1f5f9; font-weight: 600; transition: color .25s; }
.tline:hover .k { color: #fff; }
.tline .d { color: #64748B; }
.term-end { margin-top: 16px; color: #e2e8f0; }
.caret { display: inline-block; width: 9px; height: 16px; vertical-align: -2px; background: #38BDF8; border-radius: 1px; animation: caret 1.05s steps(1) infinite; }
@keyframes caret { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }
.term-stack { margin-top: 20px; }
.term-stack .scmd { color: #e2e8f0; margin-bottom: 13px; }
.term-stack .scmd .prompt { color: #38BDF8; font-weight: 700; margin-right: 9px; }
.term-stack .scmd .flag { color: #7DD3FC; }
.tmarquee-wrap { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); }
.tmarquee { display: flex; width: max-content; gap: 11px; animation: tscroll 28s linear infinite; will-change: transform; }
.term-stack:hover .tmarquee { animation-play-state: paused; }
@keyframes tscroll { to { transform: translateX(-50%); } }
.tchip { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 9px; padding: 9px 15px; border-radius: 11px; background: rgba(255, 255, 255, .045); border: 1px solid #1e293b; color: #cbd5e1; font-size: 13px; white-space: nowrap; transition: transform .25s, background .25s, border-color .25s, box-shadow .25s, color .25s; }
.tchip:hover { transform: translateY(-4px); color: #fff; background: rgba(0, 102, 255, .13); border-color: var(--primary-2); box-shadow: 0 10px 26px rgba(0, 102, 255, .24); }
@media (max-width: 640px) { .tline { grid-template-columns: 22px 1fr; } .tline .k, .tline .d { grid-column: 2; } }

/* Products list */
.filters { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: baseline; margin-left: auto; }
.chip { font-family: var(--mono); font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); cursor: pointer; user-select: none; padding: 0 0 4px; background: none; border: 0; border-bottom: 2px solid transparent; transition: .2s var(--ease); }
.chip:hover { color: var(--ink); }
.chip.active { color: var(--ink); border-bottom-color: var(--primary); }
.roles { border-top: 1px solid var(--ink); }
.role { display: flex; align-items: center; gap: 20px; padding: clamp(22px, 2.8vw, 32px) 4px; border-bottom: 1px solid var(--line-2); transition: padding .4s var(--ease), background .3s; }
.role:hover { background: var(--blue-50); padding-left: 18px; padding-right: 18px; }
.role .no { font-family: var(--mono); font-size: 13px; color: var(--ink-3); min-width: 2.6ch; transition: color .25s; }
.role:hover .no { color: var(--primary); }
.role .body { flex: 1; min-width: 0; }
.role h3 { font-size: clamp(19px, 2vw, 27px); font-weight: 760; letter-spacing: -.015em; }
.role .hook { display: block; font-size: 14.5px; color: var(--ink-2); line-height: 1.6; margin-top: 9px; max-width: 62ch; }
.role .meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.role .meta span { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; }
.role .go { flex-shrink: 0; width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: var(--ink); transition: .35s var(--ease); }
.role:hover .go { background: var(--primary); border-color: var(--primary); color: #fff; }
.role-item.open .go { background: var(--primary); border-color: var(--primary); color: #fff; }
.role-item.open .go svg { transform: rotate(180deg); }
.role .go svg { transition: transform .35s var(--ease); }
.jd { max-height: 0; overflow: hidden; transition: max-height .5s var(--ease); border-bottom: 1px solid var(--line-2); }
.jd-in { padding: 2px 4px 28px; color: var(--ink-2); font-size: 14.5px; line-height: 1.8; max-width: 64ch; }
.jd-in .apply { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-weight: 700; color: var(--primary-deep); border-bottom: 2px solid var(--primary); padding-bottom: 3px; }
.jd-in b { display: inline-block; color: var(--ink); font-weight: 780; margin-top: 6px; }
.empty { padding: 48px 4px; color: var(--ink-3); font-size: 15px; border-bottom: 1px solid var(--line-2); }
.jobs-intro { font-size: clamp(15px, 1.5vw, 18px); color: var(--ink-2); max-width: 58ch; margin: -14px 0 24px; line-height: 1.7; }

/* Stats */
.statbar { margin-top: clamp(42px, 5vw, 66px); position: relative; padding: clamp(26px, 3vw, 36px) 0 0; border-top: 2px solid var(--primary); }
.stat-tag { position: relative; display: inline-flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--primary-deep); margin-bottom: clamp(20px, 2.5vw, 30px); }
.stat-tag i { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); animation: spulse 1.9s var(--ease) infinite; }
@keyframes spulse { 0% { box-shadow: 0 0 0 0 rgba(0, 102, 255, .45); } 70%, 100% { box-shadow: 0 0 0 9px rgba(0, 102, 255, 0); } }
.stat-row { display: flex; flex-wrap: wrap; gap: clamp(20px, 3vw, 46px); }
.stat-i { flex: 1 1 130px; position: relative; padding-left: clamp(20px, 3vw, 46px); }
.stat-i::before { content: ""; position: absolute; left: 0; top: 2px; bottom: 8px; width: 1px; background: var(--line); }
.stat-i:first-child { padding-left: 0; }
.stat-i:first-child::before { display: none; }
.stat-i b { display: block; font-size: clamp(31px, 3.9vw, 50px); font-weight: 850; letter-spacing: -.03em; line-height: 1; color: var(--ink); }
.stat-i span { display: block; font-size: 13px; color: var(--ink-2); margin-top: 12px; line-height: 1.45; }

/* CTA finale */
section.cta {
  position: relative; overflow: hidden;
  padding-top: clamp(94px, 12vw, 172px); padding-bottom: clamp(50px, 6vw, 82px);
  background: radial-gradient(1000px circle at 50% 50%, var(--blue-100), transparent 60%), linear-gradient(180deg, #fff, var(--blue-50));
}
section.cta > .wrap { position: relative; z-index: 1; }
.finale-head { text-align: center; max-width: 820px; margin: 0 auto; }
.finale-head h2 { font-size: clamp(30px, 4.4vw, 60px); font-weight: 850; letter-spacing: -.035em; line-height: 1.06; text-wrap: balance; color: var(--ink); }
.finale-head h2 em { font-style: normal; color: var(--primary); }
.finale-head p { margin: 18px auto 0; color: var(--ink-2); max-width: 44ch; font-size: clamp(15px, 1.3vw, 18px); line-height: 1.72; }
.badge-stage { position: relative; z-index: 1; display: flex; justify-content: center; align-items: center; margin: clamp(60px, 6vw, 90px) 0 clamp(30px, 4vw, 46px); perspective: 1500px; }
.minibadge { position: relative; flex: 0 0 auto; width: clamp(150px, 15vw, 192px); margin: 0 -18px; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 15px 16px 13px; box-shadow: 0 22px 46px -26px rgba(0, 60, 160, .42); transform: rotate(var(--rot, 0)) translateY(var(--ty, 0)) scale(.86); transform-origin: bottom center; transition: transform .45s var(--ease), box-shadow .45s var(--ease); will-change: transform; }
.minibadge:hover { transform: rotate(0) translateY(-12px) scale(.95); box-shadow: 0 30px 58px -24px rgba(0, 60, 160, .5); z-index: 7; }
.mb-l2 { z-index: 1; } .mb-l1 { z-index: 3; } .mb-r1 { z-index: 3; } .mb-r2 { z-index: 1; }
.mb-clip { position: absolute; top: -6px; left: 50%; transform: translateX(-50%); width: 44px; height: 6px; border-radius: 0 0 6px 6px; background: #94A3B8; }
.mb-top { display: flex; align-items: center; justify-content: space-between; gap: 6px; font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: .02em; color: var(--ink-2); }
.mb-stamp { flex: 0 0 auto; color: #0891B2; border: 1px solid rgba(8, 145, 178, .4); border-radius: 999px; padding: 1.5px 7px; font-family: var(--sans); font-size: 9.5px; font-weight: 800; }
.mb-name { margin-top: 18px; font-size: clamp(16px, 1.5vw, 19px); font-weight: 850; letter-spacing: -.02em; line-height: 1.12; color: var(--ink-2); }
.mb-dept { margin-top: 5px; font-size: 11px; color: var(--ink-2); }
.idcard { position: relative; width: 100%; max-width: 400px; background: #fff; color: var(--ink); border-radius: 20px; padding: 24px 26px 18px; box-shadow: 0 34px 72px -24px rgba(0, 102, 255, .34); transform-style: preserve-3d; transition: transform .4s var(--ease), box-shadow .4s var(--ease); will-change: transform; }
.badge-stage .idcard { z-index: 5; width: clamp(288px, 30vw, 364px); max-width: none; margin: 0 6px; transform: scale(1.05); }
.badge-stage .idcard::before { content: "定制需求"; position: absolute; top: -34px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--primary); white-space: nowrap; }
.idcard::after { content: ""; position: absolute; inset: 0; border-radius: 20px; pointer-events: none; box-shadow: 0 0 0 1.5px rgba(0, 102, 255, .45) inset; transition: box-shadow .4s var(--ease); }
.idcard.filled::after { box-shadow: 0 0 0 1.5px rgba(0, 102, 255, .9) inset, 0 0 54px -8px rgba(0, 102, 255, .45); }
.idcard-clip { position: absolute; top: -7px; left: 50%; transform: translateX(-50%); width: 60px; height: 8px; border-radius: 0 0 7px 7px; background: #64748B; }
.idc-top { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 750; letter-spacing: .05em; color: var(--ink-2); }
.idc-dot { flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); animation: idcPulse 2.4s var(--ease) infinite; }
@keyframes idcPulse { 0%, 100% { box-shadow: 0 0 0 3px rgba(0, 102, 255, .2); } 50% { box-shadow: 0 0 0 5px rgba(0, 102, 255, .04); } }
.idc-org { flex: 1; white-space: nowrap; }
.idc-tag { flex: 0 0 auto; font-size: 11px; font-weight: 800; letter-spacing: .04em; color: #fff; background: var(--primary); padding: 3px 9px; border-radius: 999px; }
.idc-label { display: block; margin: 22px 0 3px; font-size: 13px; color: var(--ink-2); }
.idc-role { display: block; width: 100%; border: 0; background: transparent; font-family: inherit; font-weight: 850; font-size: clamp(24px, 2.7vw, 34px); line-height: 1.12; letter-spacing: -.03em; color: var(--ink); caret-color: var(--primary); padding: 2px 0; outline: none; }
.idc-role::placeholder { color: rgba(15, 23, 42, .4); opacity: 1; }
.idc-foot { margin-top: 16px; padding-top: 13px; border-top: 1px dashed rgba(15, 23, 42, .16); display: flex; justify-content: space-between; align-items: center; font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.idc-foot b { color: var(--primary-deep); font-weight: 800; font-family: var(--sans); }
.idc-foot i { font-style: normal; color: var(--primary-deep); font-weight: 800; }
.finale-foot { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 20px; text-align: center; margin-top: clamp(8px, 1.6vw, 18px); }
.cta .finale-foot .quote-line {
  display: flex; align-items: flex-start; gap: 10px;
  margin: 0; border: 0; padding: 0; max-width: 46ch;
  font-size: clamp(13px, 1.2vw, 15px); line-height: 1.72; color: var(--ink-3);
  text-align: left;
}
.quote-hint {
  position: relative; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; margin-top: 0.18em; border-radius: 8px;
  background: linear-gradient(145deg, rgba(255, 213, 74, .22), rgba(0, 102, 255, .1));
  border: 1px solid rgba(0, 102, 255, .2);
  cursor: help; outline: none;
  animation: quoteHintPulse 2.6s ease-in-out infinite;
  transition: background .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease);
}
@keyframes quoteHintPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 102, 255, 0); }
  50% { box-shadow: 0 0 0 5px rgba(0, 102, 255, .09); }
}
.quote-hint-ico { width: 15px; height: 15px; color: #D97706; filter: drop-shadow(0 1px 0 rgba(255, 255, 255, .6)); }
.quote-hint-tip {
  position: absolute; left: 50%; bottom: calc(100% + 11px);
  width: max-content; max-width: min(280px, 72vw);
  padding: 9px 13px; border-radius: 11px;
  font-size: 12.5px; font-weight: 550; line-height: 1.55; letter-spacing: .01em;
  color: #fff; text-align: left;
  background: var(--ink);
  box-shadow: 0 12px 28px rgba(15, 23, 42, .22);
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateX(-50%) translateY(6px) scale(.96);
  transform-origin: bottom center;
  transition: opacity .32s var(--ease), transform .32s var(--ease), visibility .32s;
  z-index: 20;
}
.quote-hint-tip::after {
  content: ""; position: absolute; left: 50%; bottom: -5px;
  width: 10px; height: 10px; background: var(--ink);
  transform: translateX(-50%) rotate(45deg);
}
.quote-hint:hover,
.quote-hint:focus-visible {
  animation: none;
  background: linear-gradient(145deg, rgba(255, 213, 74, .32), rgba(0, 102, 255, .16));
  border-color: rgba(0, 102, 255, .34);
  box-shadow: 0 0 0 4px rgba(0, 102, 255, .12);
  transform: scale(1.06);
}
.quote-hint:hover .quote-hint-ico,
.quote-hint:focus-visible .quote-hint-ico { color: #B45309; }
.quote-hint:hover .quote-hint-tip,
.quote-hint:focus-visible .quote-hint-tip {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}
.contact-wx { position: relative; z-index: 1; margin: clamp(28px, 4vw, 48px) auto 0; max-width: 520px; }
.contact-card {
  display: flex; align-items: center; gap: clamp(24px, 3vw, 36px);
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: clamp(22px, 3vw, 28px) clamp(24px, 3.2vw, 32px);
  box-shadow: 0 22px 46px -26px rgba(0, 60, 160, .18);
}
.contact-qr-wrap {
  flex: 0 0 auto; padding: 10px; background: #fff; border: 1px solid var(--line-2);
  border-radius: 14px; line-height: 0;
}
.contact-qr { display: block; width: clamp(120px, 18vw, 168px); height: auto; border-radius: 6px; }
.contact-info { flex: 1; min-width: 0; text-align: left; }
.contact-label { font-size: 13px; color: var(--ink-3); margin-bottom: 6px; }
.contact-id { font-size: clamp(20px, 2.2vw, 26px); font-weight: 850; letter-spacing: -.02em; color: var(--ink); display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 10px; }
.copy-btn { font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--primary); background: var(--blue-50); border: 1px solid var(--blue-200); border-radius: 999px; padding: 4px 12px; cursor: pointer; transition: background .2s, color .2s; }
.copy-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.contact-note { font-size: 13px; color: var(--ink-3); line-height: 1.65; }
@media (max-width: 560px) {
  .contact-card { flex-direction: column; text-align: center; }
  .contact-info { text-align: center; }
  .contact-id { justify-content: center; }
}
.footer {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px 20px;
  margin-top: clamp(60px, 8vw, 110px);
  padding-top: clamp(22px, 2.8vw, 28px);
  border-top: 1px solid transparent;
  background:
    linear-gradient(180deg, rgba(240, 247, 255, .42) 0%, transparent 100%) top / 100% 28px no-repeat,
    linear-gradient(90deg, transparent, rgba(0, 102, 255, .12) 14%, rgba(0, 102, 255, .12) 86%, transparent) top / 100% 1px no-repeat;
}
.footer .label {
  font-family: var(--sans);
  font-size: clamp(12px, 1.15vw, 14px);
  font-weight: 580;
  letter-spacing: .045em;
  text-transform: none;
  line-height: 1.5;
  color: #5B6B80;
  background: linear-gradient(118deg, #334155 0%, #64748B 48%, #475569 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.footer a {
  font-weight: 650;
  background: linear-gradient(118deg, var(--primary-deep) 0%, var(--primary) 55%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: filter .22s var(--ease);
}
.footer a:hover { filter: brightness(1.14); }

/* FAB */
.fab { position: fixed; right: 24px; bottom: 26px; z-index: 200; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; animation: fabIn .6s var(--ease) .7s both, fabFloat 3.8s ease-in-out 1.5s infinite; }
@keyframes fabIn { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
@keyframes fabFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
.fab-tip { position: relative; font-size: 12.5px; font-weight: 600; color: #fff; background: var(--ink); padding: 7px 13px; border-radius: 11px; white-space: nowrap; box-shadow: 0 10px 26px rgba(15, 23, 42, .24); opacity: 0; transform: translateY(8px) scale(.95); transform-origin: bottom right; transition: opacity .35s var(--ease), transform .35s var(--ease); pointer-events: none; }
.fab-tip::after { content: ""; position: absolute; right: 26px; bottom: -5px; width: 10px; height: 10px; background: var(--ink); transform: rotate(45deg); }
.fab:hover .fab-tip, .fab:focus-within .fab-tip { opacity: 1; transform: none; }
.fab-btn { position: relative; display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; font-weight: 800; font-size: 14.5px; color: #fff; background: linear-gradient(135deg, var(--primary-2), var(--primary)); box-shadow: 0 10px 28px rgba(0, 102, 255, .36); border: 0; cursor: pointer; }
.fab-btn .dot { width: 8px; height: 8px; border-radius: 50%; background: #fff; animation: fabDot 1.8s infinite; }
@keyframes fabDot { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

/* Scroll reveal */
html.anim .rv { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
html.anim .rv.in { opacity: 1; transform: none; }
html.anim .sec-top.rv { transform: translateY(46px); transition-duration: 1.05s; }
html.anim .statbar.rv { transform: translateY(22px); }
html.anim .jobs-intro.rv { transform: translateY(16px); filter: blur(12px); transition: opacity 1s var(--ease), transform 1s var(--ease), filter 1s var(--ease); }
html.anim .jobs-intro.rv.in { filter: none; }

/* Touch */
@media (pointer: coarse) {
  .gal-track { scroll-snap-type: x mandatory; scroll-padding: 0 18px; cursor: default; }
  .gfig { scroll-snap-align: center; }
  .gfig.now .gposter { transform: translateY(-8px) scale(1.02); box-shadow: 0 18px 44px -14px rgba(0, 102, 255, .30); }
  .btn:active, .fab-btn:active { transform: scale(.965); }
}
.gal-dots { position: relative; z-index: 1; display: flex; justify-content: center; gap: 7px; margin-top: 14px; }
.gal-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--blue-200); transition: all .3s var(--ease); }
.gal-dots i.on { width: 18px; border-radius: 99px; background: var(--primary); }
html { -webkit-tap-highlight-color: transparent; }

@media (max-width: 760px) {
  .sec-top { flex-wrap: wrap; }
  .sec-top .label { display: none; }
  .filters { margin-left: 0; width: 100%; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; gap: 18px; padding-bottom: 6px; }
  .filters::-webkit-scrollbar { display: none; }
  .chip { flex: 0 0 auto; white-space: nowrap; }
  .gal-track { gap: 22px; padding: 46px 18px 18px; }
  .gfig.up { margin-bottom: 50px; }
  .gfig.mid { margin-bottom: 22px; }
}
@media (max-width: 880px) { .minibadge.mb-l2, .minibadge.mb-r2 { display: none; } .badge-stage .idcard { transform: scale(1); } }
@media (max-width: 620px) {
  .badge-stage { flex-direction: column; margin-top: clamp(40px, 9vw, 58px); }
  .badge-stage .minibadge { display: none; }
  .badge-stage .idcard { transform: none; width: 100%; max-width: 420px; margin: 0 auto; }
  .badge-stage .idcard::before { position: static; transform: none; display: block; text-align: left; margin-bottom: 14px; }
  .stat-i { flex: 1 1 42%; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: clamp(40px, 11vw, 58px); }
  .role { gap: 14px; }
  .role .go { width: 40px; height: 40px; }
  .nav .wm small, .nav .wm .dv { display: none; }
  .nav .wm span { font-size: 16px; }
  .nav .btn-primary { padding: 10px 16px; font-size: 13px; }
  .nav .btn-primary .ar { display: none; }
  .hero .cta { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero .cta .btn-lg { width: 100%; justify-content: center; padding: 17px 22px; font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1 !important; transform: none !important; filter: none !important; transition: none !important; }
  .hero .eyebrow .dot::after { animation: none; }
  .quote-hint { animation: none; }
  .ghost { transform: none !important; }
  .gfig { opacity: 1 !important; transform: none !important; transition: none; }
  .tmarquee { animation: none; }
  .tline.pre { opacity: 1; transform: none; }
  .idc-dot { animation: none; }
  .mod-card { opacity: 1 !important; transform: none !important; }
  .mod-showcase { opacity: 1 !important; transform: none !important; }
}

/* ========== 开发文档页（Apifox 嵌入） ========== */
.page-docs {
  overflow: hidden;
  height: 100%;
  background: var(--blue-50);
}
.page-docs .nav { background: rgba(255, 255, 255, .88); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); }
.docs-main {
  position: fixed;
  top: var(--docs-nav-h, 68px);
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 1;
}
.docs-bar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px var(--gut);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.docs-bar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.docs-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--primary-2), var(--primary-deep));
  box-shadow: 0 0 0 3px rgba(0, 102, 255, .12);
}
.docs-title {
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 750;
  letter-spacing: -.01em;
  color: var(--ink);
  white-space: nowrap;
}
.docs-badge {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .08em;
  color: var(--primary);
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-radius: 999px;
  padding: 3px 10px;
}
.docs-bar-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.docs-ext {
  font-size: 13px;
  font-weight: 650;
  color: var(--primary);
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--blue-200);
  background: #fff;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.docs-ext:hover { background: var(--blue-50); border-color: var(--primary); color: var(--primary-deep); }
.docs-frame {
  flex: 1;
  width: 100%;
  min-height: 0;
  border: 0;
  background: #fff;
}
@media (max-width: 620px) {
  .docs-badge { display: none; }
  .docs-ext { padding: 7px 12px; font-size: 12px; }
}

/* ========== 对接页（login） ========== */
.page-login {
  min-height: 100vh;
  color: #e2e8f0;
  background: #050508;
  position: relative;
  overflow-x: hidden;
}
.login-bg { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.login-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, .06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
}
.login-orb { position: absolute; border-radius: 50%; filter: blur(80px); }
.login-orb-a { width: 420px; height: 420px; top: -120px; left: -80px; background: rgba(99, 102, 241, .22); }
.login-orb-b { width: 360px; height: 360px; bottom: -80px; right: -60px; background: rgba(34, 211, 238, .12); }
.login-head { position: relative; z-index: 2; padding: 20px var(--gut); }
.login-brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 17px; color: #fff;
  transition: color .2s var(--ease);
}
.login-brand:hover { color: #a5f3fc; }
.login-brand img { filter: drop-shadow(0 4px 10px rgba(0, 102, 255, .35)); }
.login-main { position: relative; z-index: 2; padding: 0 var(--gut) 40px; }
.login-grid2 {
  max-width: 1152px; margin: 0 auto;
  display: grid; gap: clamp(32px, 5vw, 64px);
  align-items: center;
  min-height: calc(100vh - 140px);
}
@media (min-width: 1024px) { .login-grid2 { grid-template-columns: 1fr 1fr; } }
.login-intro { padding: clamp(12px, 2vw, 24px) 0; }
.login-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; color: #6ee7b7;
  background: rgba(16, 185, 129, .1); border: 1px solid rgba(16, 185, 129, .2);
  margin-bottom: clamp(20px, 3vw, 32px);
}
.login-badge-dot {
  width: 6px; height: 6px; border-radius: 50%; background: #34d399;
  box-shadow: 0 0 8px rgba(52, 211, 153, .8);
  animation: loginPulse 1.8s ease-in-out infinite;
}
@keyframes loginPulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
.login-intro h1 {
  font-size: clamp(28px, 4.2vw, 48px); font-weight: 900; line-height: 1.15;
  letter-spacing: -.03em; color: #fff; margin-bottom: 16px;
}
.login-gradient {
  display: block;
  background: linear-gradient(90deg, #60a5fa, #67e8f9, #818cf8);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.login-lead { font-size: clamp(15px, 1.5vw, 18px); color: #94a3b8; line-height: 1.65; max-width: 32rem; margin-bottom: 24px; }
.login-feats { list-style: none; display: grid; gap: 12px; margin-bottom: 28px; }
.login-feats li {
  display: flex; align-items: center; gap: 12px; color: #cbd5e1; font-size: 15px;
}
.login-feats li::before {
  content: "✓"; flex-shrink: 0;
  width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 11px; font-weight: 800; color: #22d3ee;
  background: rgba(34, 211, 238, .1); border: 1px solid rgba(34, 211, 238, .2);
}
.login-stat {
  display: flex; gap: 14px; align-items: flex-start;
  max-width: 22rem; padding: 20px; border-radius: 16px;
  background: rgba(255, 255, 255, .03); border: 1px solid rgba(255, 255, 255, .1);
  box-shadow: 0 0 40px rgba(99, 102, 241, .08);
}
.login-stat-ico {
  width: 56px; height: 56px; border-radius: 12px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 22px; font-weight: 800; color: #34d399;
  background: rgba(16, 185, 129, .1); border: 1px solid rgba(16, 185, 129, .2);
}
.login-stat-label { font-weight: 650; color: #fff; margin-bottom: 4px; }
.login-stat-num { font-size: 28px; font-weight: 900; color: #67e8f9; line-height: 1.1; }
.login-panel-wrap { width: 100%; max-width: 28rem; margin: 0 auto; }
@media (min-width: 1024px) { .login-panel-wrap { margin-left: auto; margin-right: 0; max-width: none; } }
.login-panel {
  position: relative; padding: clamp(28px, 4vw, 40px); border-radius: 24px;
  background: rgba(12, 12, 18, .82); border: 1px solid rgba(255, 255, 255, .1);
  backdrop-filter: blur(16px); box-shadow: 0 0 60px rgba(99, 102, 241, .12);
}
.login-panel::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, rgba(99, 102, 241, .45), rgba(34, 211, 238, .15), transparent);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude; pointer-events: none;
}
.login-panel-head { text-align: center; margin-bottom: 24px; }
.login-panel-head h2 { font-size: 24px; font-weight: 900; color: #fff; letter-spacing: -.02em; }
.login-panel-head p { margin-top: 8px; font-size: 14px; color: #94a3b8; }
.login-qr { display: flex; justify-content: center; margin-bottom: 24px; }
.login-qr img { border-radius: 12px; background: #fff; padding: 10px; border: 1px solid rgba(255, 255, 255, .08); }
.login-wx {
  padding: 16px; border-radius: 14px; text-align: center;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
}
.login-wx-label { font-size: 12px; color: #64748b; margin-bottom: 4px; }
.login-wx-id { font-family: var(--mono); font-size: 20px; font-weight: 800; color: #67e8f9; }
.login-copy {
  width: 100%; margin-top: 14px; padding: 12px 16px; border: 0; border-radius: 12px;
  font-family: inherit; font-size: 14px; font-weight: 650; color: #fff; cursor: pointer;
  background: linear-gradient(90deg, #4f46e5, #0891b2);
  box-shadow: 0 0 24px rgba(99, 102, 241, .35);
  transition: filter .2s var(--ease), transform .15s var(--ease);
}
.login-copy:hover { filter: brightness(1.08); }
.login-copy:active { transform: scale(.98); }
.login-tips { list-style: none; margin-top: 24px; display: grid; gap: 10px; }
.login-tips li {
  display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: #94a3b8; line-height: 1.55;
}
.login-tips li::before {
  content: ""; flex-shrink: 0; width: 6px; height: 6px; margin-top: 8px; border-radius: 50%; background: #22d3ee;
}
.login-home {
  display: block; margin-top: 24px; text-align: center;
  font-size: 14px; color: #64748b; transition: color .2s var(--ease);
}
.login-home:hover { color: #67e8f9; }
.login-foot {
  position: relative; z-index: 2; padding: 24px var(--gut) 32px; text-align: center;
  font-size: 12px; color: #475569;
}
.login-foot a { display: inline-block; margin-top: 4px; transition: color .2s; }
.login-foot a:hover { color: #22d3ee; }

/* ========== 聚合聊天平台页 ========== */
.hero-sub {
  min-height: auto;
  padding-top: clamp(110px, 14vw, 148px);
  padding-bottom: clamp(48px, 6vw, 72px);
  align-items: flex-start;
}
.hero-sub .wrap { max-width: 900px; }
.hero-sub h1 { max-width: 16ch; font-size: clamp(40px, 7vw, 88px); }
.hero-sub .cta { justify-content: flex-start; margin-top: clamp(28px, 3.5vw, 40px); }
.hero-tag {
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: clamp(16px, 2vw, 22px);
  letter-spacing: -.01em;
}

.crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(24px, 3vw, 36px);
}
.crumb-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  transition: color .2s var(--ease);
}
.crumb-back svg { width: 18px; height: 18px; flex-shrink: 0; }
.crumb-back:hover { color: var(--primary); }
.crumb-sep { color: var(--ink-3); font-size: 14px; }

.feat-sec { padding-top: 0; padding-bottom: clamp(40px, 5vw, 64px); }
.feat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 2vw, 22px);
}
.feat-card {
  background: linear-gradient(160deg, var(--blue-50) 0%, #fff 72%);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: clamp(20px, 2.4vw, 28px);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .3s;
}
.feat-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-200);
  box-shadow: 0 18px 44px -18px rgba(0, 102, 255, .22);
}
.feat-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--blue-100);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.feat-card h3 {
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 820;
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-bottom: 10px;
}
.feat-card p {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.65;
}

.mod-sec { background: linear-gradient(180deg, #fff, var(--blue-50) 40%, #fff); }
.mod-showcase-list {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 5vw, 64px);
  margin-top: clamp(28px, 4vw, 48px);
}
.mod-showcase {
  --acc: var(--primary);
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: clamp(24px, 3.5vw, 48px);
  align-items: center;
  padding: clamp(24px, 3vw, 36px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 22px 56px -28px rgba(0, 102, 255, .14);
  position: relative;
  overflow: hidden;
  transition: opacity .85s var(--ease), transform .85s var(--ease), box-shadow .45s var(--ease);
}
html.anim .mod-showcase {
  opacity: 0;
  transform: translateY(32px);
}
html.anim .mod-showcase.in {
  opacity: 1;
  transform: none;
}
.mod-showcase::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--acc), transparent 75%);
}
.mod-showcase.flip { direction: rtl; }
.mod-showcase.flip > * { direction: ltr; }
.mod-showcase-text { position: relative; z-index: 1; }
.mod-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.mod-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 22px;
  background: var(--blue-50);
  border-radius: 12px;
  border: 1px solid var(--blue-100);
}
.mod-no {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--ink-3);
}
.mod-showcase h3 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 850;
  letter-spacing: -.025em;
  line-height: 1.15;
  margin-bottom: 12px;
}
.mod-showcase p {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.72;
  max-width: 48ch;
}
.mod-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin-top: 18px;
}
.mod-tags li {
  font-size: 12px;
  font-weight: 650;
  color: var(--primary-deep);
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  padding: 5px 12px;
  border-radius: 999px;
}

/* 产品截图展示 */
.mod-shots { position: relative; z-index: 1; min-width: 0; }
.shot-frame {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 18px 48px -20px rgba(15, 23, 42, .22), 0 0 0 1px rgba(0, 102, 255, .06);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.shot-frame:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 28px 64px -22px rgba(0, 102, 255, .28);
}
.shot-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: linear-gradient(180deg, var(--blue-50), #fff);
  border-bottom: 1px solid var(--line-2);
}
.shot-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue-200);
}
.shot-bar span:first-child { background: #FCA5A5; }
.shot-bar span:nth-child(2) { background: #FDE68A; }
.shot-bar span:nth-child(3) { background: #86EFAC; }
.shot-frame img {
  display: block;
  width: 100%;
  height: auto;
  cursor: zoom-in;
  background: #f8fafc;
}
.shot-grid {
  display: grid;
  gap: clamp(10px, 1.4vw, 16px);
}
.shot-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.shot-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
.shot-grid.cols-3 .shot-featured,
.shot-grid.cols-4 .shot-featured,
.shot-grid.cols-5 .shot-featured { grid-column: 1 / -1; }
.shot-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
.shot-grid.cols-5 { grid-template-columns: repeat(2, 1fr); }

/* 灯箱 */
.shot-lightbox {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: clamp(20px, 4vw, 40px);
  background: rgba(15, 23, 42, .82);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s var(--ease), visibility .35s;
}
.shot-lightbox.open { opacity: 1; visibility: visible; }
.shot-lightbox img {
  max-width: min(1200px, 96vw);
  max-height: min(80vh, 900px);
  width: auto;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, .45);
}
.shot-lb-cap {
  color: rgba(255, 255, 255, .85);
  font-size: 14px;
  text-align: center;
  max-width: 56ch;
  line-height: 1.6;
}
.shot-lb-close {
  position: absolute;
  top: clamp(16px, 3vw, 28px);
  right: clamp(16px, 3vw, 28px);
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  transition: background .25s;
}
.shot-lb-close:hover { background: rgba(255, 255, 255, .28); }

@media (max-width: 960px) {
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .mod-showcase,
  .mod-showcase.flip {
    grid-template-columns: 1fr;
    direction: ltr;
  }
}
@media (max-width: 620px) {
  .feat-grid { grid-template-columns: 1fr; }
  .shot-grid.cols-2,
  .shot-grid.cols-3,
  .shot-grid.cols-4 { grid-template-columns: 1fr; }
  .shot-grid.cols-3 .shot-featured,
  .shot-grid.cols-4 .shot-featured { grid-column: auto; }
  .hero-sub .cta { flex-direction: column; align-items: stretch; }
  .hero-sub .cta .btn-lg { width: 100%; justify-content: center; }
}