/* ============================================================
   UROLUM — Design System v2 · "Clinical Premium"
   Palette: paper / ink / aqua / navy / jade
   Motion: slow, layered, prefers-reduced-motion aware
   ============================================================ */

:root {
  /* surfaces */
  --paper: #f5f8fa;
  --paper-2: #eaf1f6;
  --white: #ffffff;
  --mist: #e3eef4;

  /* ink */
  --ink: #081a26;
  --ink-2: #1b3244;
  --slate: #5a7080;
  --slate-2: #8296a4;

  /* lines */
  --line: #dbe5ec;
  --line-2: #c6d5e0;

  /* accents */
  --aqua: #12a0c4;
  --aqua-600: #0a86a8;
  --aqua-700: #086d8b;
  --aqua-50: #e6f5fa;
  --aqua-100: #cdebf4;

  --navy: #10293e;
  --navy-2: #173a55;
  --navy-3: #1e4c6d;

  --jade: #0c7f5a;
  --jade-50: #e7f5ef;

  --amber: #9a6111;
  --amber-50: #fdf4e6;

  /* type */
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
    Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* metrics */
  --max: 1200px;
  --gutter: 28px;
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 24px;

  --sh-1: 0 1px 2px rgba(8, 26, 38, .05), 0 2px 8px rgba(8, 26, 38, .04);
  --sh-2: 0 2px 6px rgba(8, 26, 38, .06), 0 12px 28px rgba(8, 26, 38, .07);
  --sh-3: 0 6px 16px rgba(8, 26, 38, .08), 0 28px 60px rgba(8, 26, 38, .12);
  --sh-aqua: 0 10px 30px rgba(18, 160, 196, .22);

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.62;
  color: var(--ink-2);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--aqua-600); text-decoration: none; transition: color .18s var(--ease); }
a:hover { color: var(--aqua); text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 660;
  letter-spacing: -0.028em;
  line-height: 1.1;
  color: var(--ink);
}

h1 { font-size: clamp(34px, 5.2vw, 62px); }
h2 { font-size: clamp(26px, 3.4vw, 42px); }
h3 { font-size: clamp(19px, 2.1vw, 24px); }
h4 { font-size: 17px; letter-spacing: -0.01em; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}

/* 窄栏正文块：保持与页头同一左边缘，而不是居中偏移 */
.wrap.align-left { margin-left: max(0px, calc((100% - var(--max)) / 2)); }

/* 正文中的二级标题：不抢 H1 的视觉位 */
.h-mid { font-size: clamp(22px, 2.4vw, 30px); letter-spacing: -.02em; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 11.5px;
  font-weight: 680;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--aqua-600);
  margin: 0 0 16px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1.5px;
  background: linear-gradient(90deg, var(--aqua), transparent);
  border-radius: 2px;
}

.muted { color: var(--slate); }
.small { font-size: 13.5px; line-height: 1.6; }
.tiny { font-size: 11.5px; line-height: 1.55; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff;
  padding: 12px 20px; z-index: 999; border-radius: 0 0 var(--r-sm) 0;
}
.skip:focus { left: 0; top: 0; }

/* ================= HEADER ================= */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(245, 248, 250, .78);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid rgba(198, 213, 224, .55);
  transition: box-shadow .3s var(--ease), background .3s var(--ease);
}
.site-header.is-stuck {
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 1px 0 rgba(198, 213, 224, .7), 0 8px 24px rgba(8, 26, 38, .06);
}

.header-inner {
  display: flex; align-items: center; gap: 34px;
  height: 74px;
}

.logo {
  display: flex; align-items: center; gap: 11px;
  font-weight: 750; font-size: 19px; letter-spacing: .2em;
  color: var(--ink);
  flex-shrink: 0;
}
.logo:hover { text-decoration: none; color: var(--ink); }
.logo svg { color: var(--aqua); transition: transform .5s var(--ease-out); }
.logo:hover svg { transform: translateY(2px); }

.nav {
  display: flex; align-items: center; gap: 28px;
  margin-left: auto;
}
.nav a {
  position: relative;
  font-size: 14.5px; font-weight: 540; color: var(--ink-2);
  padding: 6px 0;
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1.5px; background: var(--aqua);
  transition: right .28s var(--ease-out);
}
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav a:hover::after { right: 0; }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 620; }
.nav a[aria-current="page"]::after { right: 0; }

.header-cta { display: flex; align-items: center; gap: 16px; }
.header-phone {
  font-family: var(--mono); font-size: 12.5px; color: var(--slate);
  white-space: nowrap; letter-spacing: -.01em;
}

.nav-toggle {
  display: none; margin-left: auto;
  background: var(--white); border: 1px solid var(--line-2);
  padding: 9px 11px; cursor: pointer; border-radius: var(--r-sm);
  box-shadow: var(--sh-1);
}
.nav-toggle span {
  display: block; width: 18px; height: 1.8px; background: var(--ink);
  margin: 4px 0; border-radius: 2px;
}

/* ================= BUTTONS ================= */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 26px;
  font-size: 14.5px; font-weight: 630; letter-spacing: .005em;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--navy-2), var(--navy));
  color: #fff;
  cursor: pointer;
  transition: transform .22s var(--ease-out), box-shadow .28s var(--ease),
              background .28s var(--ease);
  text-align: center;
  font-family: inherit;
  line-height: 1.15;
  box-shadow: 0 2px 6px rgba(16, 41, 62, .18), 0 12px 28px rgba(16, 41, 62, .16);
  overflow: hidden;
}
.btn::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 140% at 50% -20%, rgba(18, 160, 196, .55), transparent 60%);
  opacity: 0; transition: opacity .3s var(--ease);
}
.btn:hover {
  transform: translateY(-1.5px);
  box-shadow: 0 4px 10px rgba(16, 41, 62, .2), 0 20px 44px rgba(16, 41, 62, .22);
  text-decoration: none; color: #fff;
}
.btn:hover::after { opacity: 1; }
.btn > * { position: relative; z-index: 1; }

.btn-outline {
  background: rgba(255, 255, 255, .72);
  color: var(--ink);
  border-color: var(--line-2);
  box-shadow: var(--sh-1);
  backdrop-filter: blur(6px);
}
.btn-outline::after { background: radial-gradient(120% 140% at 50% -20%, rgba(18, 160, 196, .18), transparent 60%); }
.btn-outline:hover { color: var(--navy); border-color: var(--aqua-100); }

.btn-sm { padding: 10px 18px; font-size: 13.5px; }
.btn-lg { padding: 17px 34px; font-size: 15.5px; }
.btn-block { display: flex; width: 100%; }

/* ================= HERO ================= */
.hero {
  position: relative;
  padding: 64px 0 76px;
  min-height: min(86vh, 780px);
  display: flex; align-items: center;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(120% 90% at 8% 0%, #ffffff 0%, rgba(255, 255, 255, 0) 55%),
    radial-gradient(90% 80% at 88% 18%, var(--aqua-50) 0%, rgba(230, 245, 250, 0) 62%),
    radial-gradient(100% 90% at 70% 100%, #e7eef5 0%, rgba(231, 238, 245, 0) 60%),
    linear-gradient(180deg, #fbfdfe 0%, var(--paper) 46%, #eef3f8 100%);
  border-bottom: 1px solid var(--line);
}

/* soft drifting colour orbs */
.hero-bg { position: absolute; inset: 0; z-index: -3; pointer-events: none; overflow: hidden; }
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(70px);
  will-change: transform;
}
.hero-orb.a {
  width: 46vw; height: 46vw; max-width: 620px; max-height: 620px;
  left: -12vw; top: -14vw;
  background: radial-gradient(circle, rgba(18, 160, 196, .30), rgba(18, 160, 196, 0) 68%);
  animation: orbDriftA 34s ease-in-out infinite alternate;
}
.hero-orb.b {
  width: 40vw; height: 40vw; max-width: 540px; max-height: 540px;
  right: -8vw; bottom: -16vw;
  background: radial-gradient(circle, rgba(30, 76, 109, .26), rgba(30, 76, 109, 0) 68%);
  animation: orbDriftB 42s ease-in-out infinite alternate;
}
.hero-orb.c {
  width: 26vw; height: 26vw; max-width: 340px; max-height: 340px;
  right: 24vw; top: 6vw;
  background: radial-gradient(circle, rgba(255, 255, 255, .9), rgba(255, 255, 255, 0) 70%);
  animation: orbDriftC 26s ease-in-out infinite alternate;
}

/* faint technical grid */
.hero-grid-lines {
  position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(8, 26, 38, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 26, 38, .035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 100% at 50% 40%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 100% at 50% 40%, #000 0%, transparent 78%);
  opacity: .55;
}

/* slow light sweep */
.hero-sweep {
  position: absolute; inset: -20% -30%; z-index: -1; pointer-events: none;
  background: linear-gradient(104deg, transparent 38%, rgba(255, 255, 255, .55) 48%, transparent 58%);
  animation: sweep 22s ease-in-out infinite;
  opacity: .7;
}

.hero-inner {
  display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  gap: 48px; align-items: center; width: 100%;
}
.hero-inner > * { min-width: 0; }

.hero-copy { position: relative; z-index: 4; max-width: 640px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 15px 7px 9px;
  background: rgba(255, 255, 255, .82);
  border: 1px solid var(--aqua-100);
  border-radius: 999px;
  font-size: 12.5px; font-weight: 620; color: var(--aqua-700);
  letter-spacing: .01em;
  box-shadow: var(--sh-1);
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 0 0 rgba(18, 160, 196, .6);
  animation: pulse 2.8s ease-out infinite;
}

.hero h1 { margin-bottom: 24px; font-size: clamp(30px, 3.9vw, 50px); }
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--aqua-700), var(--aqua) 55%, #2fb6d4);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 17.5px; line-height: 1.62; color: var(--slate);
  max-width: 48ch; margin-bottom: 32px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }

.hero-meta {
  display: flex; flex-wrap: wrap; gap: 8px;
  list-style: none; margin: 0; padding: 0;
}
.hero-meta li {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; font-weight: 560; color: var(--ink-2);
  background: rgba(255, 255, 255, .7);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  backdrop-filter: blur(4px);
}
.hero-meta li::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--jade); flex-shrink: 0;
}

/* --- hero visual stack --- */
.hero-visual {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  min-width: 0;
  min-height: 500px;
  overflow: visible;
}

.hero-glow {
  position: absolute;
  left: 6%; top: 12%; right: -6%; bottom: 4%;
  background: radial-gradient(closest-side, rgba(18, 160, 196, .16), transparent 72%);
  filter: blur(22px);
  z-index: 0;
  animation: glowPulse 12s ease-in-out infinite;
}

.hero-device {
  position: absolute;
  right: -7%; top: 11%;
  width: 36%;
  max-width: 275px;
  z-index: 1;
  opacity: .46;
  filter: blur(.6px) saturate(.9) drop-shadow(0 16px 30px rgba(16, 41, 62, .16));
  animation: deviceFloat 17s ease-in-out infinite;
  transform-origin: 60% 70%;
}

/* caption that ties our consumable to the machine the buyer already owns */
.hero-annot {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 4;
  max-width: 62%;
  font-size: 10px;
  font-weight: 640;
  letter-spacing: .12em;
  text-transform: uppercase;
  line-height: 1.6;
  color: var(--slate-2);
  text-align: right;
  white-space: nowrap;
}

.hero-product {
  position: relative;
  width: 104%;
  max-width: none;
  margin-left: -2%;
  margin-top: 26px;
  z-index: 3;
  filter: drop-shadow(0 30px 48px rgba(16, 41, 62, .22)) drop-shadow(0 4px 10px rgba(16, 41, 62, .08));
  animation: productFloat 15s ease-in-out infinite;
  transform-origin: 55% 60%;
}
.hero-product img,
.hero-device img { width: 100%; height: auto; display: block; }

/* flowing connection line */
.hero-flow {
  position: absolute; inset: 0; z-index: 2;
  pointer-events: none; overflow: visible;
}
.hero-flow path {
  fill: none;
  stroke: var(--aqua);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 5 13;
  opacity: .75;
  animation: flow 9s linear infinite;
}
.hero-flow path:nth-child(2) {
  stroke: var(--aqua);
  stroke-width: 1;
  opacity: .26;
  stroke-dasharray: 2 18;
  animation-duration: 13s;
  opacity: .4;
}


/* ================= TRUST BAR ================= */
.trustbar {
  position: relative; z-index: 5;
  margin-top: -34px;
  padding-bottom: 8px;
}
.trustbar-inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-2);
  overflow: hidden;
  backdrop-filter: blur(12px);
}
.trustbar-item {
  padding: 24px 26px;
  border-right: 1px solid var(--line);
  position: relative;
}
.trustbar-item:last-child { border-right: none; }
.trustbar-item strong {
  display: block; font-size: 16.5px; font-weight: 680;
  color: var(--ink); letter-spacing: -.015em; margin-bottom: 3px;
}
.trustbar-item span { font-size: 12.5px; color: var(--slate); }
.trustbar-item::before {
  content: ""; position: absolute; left: 0; top: 24px; bottom: 24px;
  width: 2px; border-radius: 2px;
  background: linear-gradient(var(--aqua), transparent);
  opacity: 0; transition: opacity .3s var(--ease);
}
.trustbar-item:hover::before { opacity: 1; }

/* ================= SECTIONS ================= */
section.block {
  padding: 92px 0;
  position: relative;
  overflow-x: clip;
}
section.block.tight { padding: 64px 0; }
section.block.alt { background: var(--white); }
section.block.deep {
  background:
    radial-gradient(90% 100% at 88% 0%, rgba(18, 160, 196, .22), transparent 62%),
    linear-gradient(160deg, var(--navy) 0%, #0b1e2e 100%);
  color: #cfdde8;
}
section.block.deep h2,
section.block.deep h3,
section.block.deep h4 { color: #fff; }
section.block.deep .muted { color: #9db2c4; }
section.block.deep .eyebrow { color: #4fc4e0; }
section.block.deep .eyebrow::before { background: linear-gradient(90deg, #4fc4e0, transparent); }

.section-head { max-width: 64ch; margin-bottom: 44px; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { font-size: 16.5px; color: var(--slate); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }

/* ================= TABLES ================= */
.table-scroll {
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  border-radius: var(--r);
}

.table-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--sh-2);
  overflow: hidden;
}

table.data {
  width: 100%; border-collapse: collapse;
  font-size: 14.5px;
  min-width: 640px;
}
table.data th, table.data td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
table.data thead th {
  font-size: 10.5px; font-weight: 680;
  letter-spacing: .13em; text-transform: uppercase;
  color: var(--slate);
  background: linear-gradient(180deg, #fbfdff, var(--paper));
  border-bottom: 1px solid var(--line-2);
  padding: 15px 18px;
  white-space: nowrap;
}
table.data td.num, table.data th.num {
  text-align: right; font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  letter-spacing: -.02em;
}
table.data tbody tr { transition: background .2s var(--ease); }
table.data tbody tr:hover { background: var(--aqua-50); }
table.data tbody tr:last-child td { border-bottom: none; }
table.data td strong { color: var(--ink); font-weight: 660; }

.strike { color: var(--slate-2); text-decoration: line-through; text-decoration-thickness: 1px; }

.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 11px; border-radius: 999px;
  font-size: 11.5px; font-weight: 680; font-family: var(--mono);
  line-height: 1.25; white-space: nowrap; letter-spacing: -.01em;
}
.pill-save { background: var(--jade-50); color: var(--jade); box-shadow: inset 0 0 0 1px rgba(12, 127, 90, .16); }
.pill-neutral { background: var(--paper-2); color: var(--slate); box-shadow: inset 0 0 0 1px var(--line); }
.pill-accent { background: var(--aqua-50); color: var(--aqua-700); box-shadow: inset 0 0 0 1px var(--aqua-100); }
.pill-note { background: var(--amber-50); color: var(--amber); box-shadow: inset 0 0 0 1px rgba(154, 97, 17, .18); }

.freight-note {
  display: flex; align-items: flex-start; gap: 10px;
  margin-top: 18px;
  padding: 14px 18px;
  background: var(--amber-50);
  border: 1px solid rgba(154, 97, 17, .16);
  border-radius: var(--r-sm);
  font-size: 13.5px; color: var(--amber); line-height: 1.55;
}
.freight-note::before {
  content: "i"; flex-shrink: 0;
  width: 17px; height: 17px; border-radius: 50%;
  border: 1.2px solid currentColor;
  font-size: 10px; font-weight: 750; font-style: italic;
  display: grid; place-items: center; margin-top: 1px;
  font-family: Georgia, serif;
}

/* ================= PRODUCT CARDS ================= */
.product-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px;
}
.pcard {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: var(--sh-1);
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out),
              border-color .3s var(--ease);
}
.pcard::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  border: 1.5px solid transparent; pointer-events: none;
  transition: border-color .3s var(--ease);
}
.pcard:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-3);
  border-color: var(--aqua-100);
}
.pcard:hover::after { border-color: rgba(18, 160, 196, .25); }

.pcard-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background:
    radial-gradient(80% 70% at 50% 40%, #ffffff 0%, var(--aqua-50) 62%, var(--mist) 100%);
  border-bottom: 1px solid var(--line);
  display: grid; place-items: center;
  padding: 18px;
}
.pcard-img img {
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform .6s var(--ease-out);
  filter: drop-shadow(0 14px 22px rgba(16, 41, 62, .16));
}
.pcard:hover .pcard-img img { transform: scale(1.045); }

.pcard-body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.pcard h3 { margin-bottom: 7px; }
.pcard .sku {
  font-family: var(--mono); font-size: 11px;
  color: var(--slate-2); letter-spacing: .07em;
  margin-bottom: 16px;
}
.pcard-specs { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.pcard-body > p { font-size: 14px; color: var(--slate); }

.pcard-price {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.pcard-price .from {
  font-size: 10.5px; color: var(--slate-2);
  text-transform: uppercase; letter-spacing: .14em; font-weight: 640;
}
.pcard-price .amount {
  font-family: var(--mono); font-size: 30px; font-weight: 680;
  letter-spacing: -.035em; color: var(--ink); line-height: 1.15;
}
.pcard-price .unit {
  font-size: 13px; color: var(--slate);
  margin-top: 3px; margin-bottom: 18px;
}

/* ================= TIER ================= */
.tier-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.tier-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--sh-1);
}
.tier-card h4 {
  padding: 18px 22px;
  background: linear-gradient(100deg, var(--navy-2), var(--navy));
  color: #fff;
  font-weight: 640;
  font-size: 15px;
  letter-spacing: .01em;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.tier-card h4 span {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: #8fb6cd; letter-spacing: .04em;
}
.tier-card .free-freight {
  display: flex; align-items: center; gap: 8px;
  padding: 13px 22px;
  background: var(--jade-50);
  color: var(--jade);
  font-size: 13px; font-weight: 620;
  border-top: 1px solid rgba(12, 127, 90, .14);
}

/* ================= SAMPLE BANNER ================= */
.sample-banner {
  position: relative;
  background:
    radial-gradient(80% 120% at 92% 10%, rgba(18, 160, 196, .34), transparent 58%),
    linear-gradient(150deg, var(--navy-2) 0%, var(--navy) 55%, #0a2130 100%);
  color: #d7e5ef;
  border-radius: var(--r-lg);
  padding: 52px 54px;
  display: grid; grid-template-columns: 1.35fr 1fr;
  gap: 48px; align-items: center;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(8, 26, 38, .28);
}
.sample-banner::before {
  content: ""; position: absolute; right: -10%; bottom: -40%;
  width: 46%; aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(79, 196, 224, .22), transparent 70%);
  filter: blur(30px);
  animation: glowPulse 14s ease-in-out infinite;
}
.sample-banner > * { position: relative; z-index: 2; }
.sample-banner h2 { color: #fff; margin-bottom: 14px; font-size: clamp(24px, 2.6vw, 32px); }
.sample-banner p { color: #a8c0d2; font-size: 15.5px; }

.sample-prices { display: flex; gap: 34px; flex-wrap: wrap; }
.sample-price .who {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .16em;
  color: #7fa4bc; margin-bottom: 6px; font-weight: 640;
}
.sample-price .val {
  font-family: var(--mono); font-size: 38px; font-weight: 680;
  letter-spacing: -.045em; color: #fff; line-height: 1;
}
.sample-price .inc { font-size: 11.5px; color: #8ea8bc; margin-top: 5px; }
.sample-banner .btn {
  background: #fff; color: var(--navy); border-color: #fff;
  margin-top: 26px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
}
.sample-banner .btn::after { background: radial-gradient(120% 140% at 50% -20%, rgba(18, 160, 196, .3), transparent 60%); }
.sample-banner .btn:hover { color: var(--navy); }

.banner-device {
  position: absolute; right: 3%; bottom: -6%;
  width: 190px; opacity: .16; z-index: 1;
  filter: blur(.6px);
  animation: deviceFloat 19s ease-in-out infinite;
}

/* ================= PERSONAS ================= */
.persona-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.persona {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 30px 28px;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.persona::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--aqua), transparent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease-out);
}
.persona:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.persona:hover::before { transform: scaleX(1); }
.persona h3 { font-size: 18px; margin-bottom: 12px; }
.persona p { font-size: 14px; color: var(--slate); }
.persona .link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px; font-size: 13px; font-weight: 640;
  color: var(--aqua-600);
}
.persona .link::after { content: "→"; transition: transform .25s var(--ease-out); }
.persona:hover .link::after { transform: translateX(4px); }

/* ================= STEPS ================= */
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; counter-reset: step;
}
.step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 28px 24px;
  counter-increment: step;
  transition: box-shadow .3s var(--ease), transform .3s var(--ease-out);
}
.step:hover { box-shadow: var(--sh-2); transform: translateY(-2px); }
.step::before {
  content: "0" counter(step);
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--aqua), var(--aqua-700));
  color: #fff;
  font-family: var(--mono); font-size: 12px; font-weight: 680;
  letter-spacing: .02em;
  margin-bottom: 18px;
  box-shadow: var(--sh-aqua);
}
.step h4 { font-size: 15.5px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--slate); line-height: 1.58; }

/* ================= FAQ ================= */
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  padding: 24px 52px 24px 0;
  cursor: pointer;
  font-weight: 620;
  font-size: 16px;
  color: var(--ink);
  position: relative;
  list-style: none;
  transition: color .2s var(--ease);
}
.faq-item summary:hover { color: var(--aqua-700); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  position: absolute; right: 10px; top: 50%;
  width: 11px; height: 11px;
  margin-top: -6px;
  border-right: 1.6px solid var(--slate);
  border-bottom: 1.6px solid var(--slate);
  transform: rotate(45deg);
  transition: transform .3s var(--ease-out), border-color .2s;
}
.faq-item[open] summary::after { transform: rotate(-135deg); border-color: var(--aqua); }
.faq-item .faq-body {
  padding: 0 52px 26px 0;
  font-size: 15px; color: var(--slate);
  max-width: 80ch;
  animation: fadeUp .35s var(--ease-out);
}

/* ================= FORM ================= */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 11.5px; font-weight: 680;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--slate);
}
.field .req { color: var(--aqua); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 15.5px;
  padding: 13px 15px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--white);
  color: var(--ink);
  width: 100%;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s;
}
.field input::placeholder, .field textarea::placeholder { color: var(--slate-2); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--aqua);
  box-shadow: 0 0 0 4px rgba(18, 160, 196, .13);
}
.field textarea { resize: vertical; min-height: 104px; }
.form-note { font-size: 12.5px; color: var(--slate); margin-top: 16px; line-height: 1.6; }
.form-status {
  margin-top: 18px; padding: 16px 18px;
  border-radius: var(--r-sm);
  font-size: 14px; display: none;
}
.form-status.ok { display: block; background: var(--jade-50); color: var(--jade); box-shadow: inset 0 0 0 1px rgba(12,127,90,.16); }
.form-status.err { display: block; background: var(--amber-50); color: var(--amber); box-shadow: inset 0 0 0 1px rgba(154,97,17,.16); }

.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 40px;
  box-shadow: var(--sh-2);
}

/* ================= PRODUCT PAGE ================= */
.product-hero {
  position: relative;
  padding: 44px 0 72px;
  overflow: hidden;
  background:
    radial-gradient(80% 70% at 86% 12%, var(--aqua-50) 0%, rgba(230,245,250,0) 60%),
    linear-gradient(180deg, #fbfdfe, var(--paper));
  border-bottom: 1px solid var(--line);
}
.ph-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 56px; align-items: start; }
.ph-grid > * { min-width: 0; }

.ph-gallery {
  position: relative;
  background:
    radial-gradient(70% 60% at 50% 42%, #ffffff 0%, var(--aqua-50) 58%, var(--mist) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: grid; place-items: center;
  padding: 26px;
  margin: 0;
  box-shadow: var(--sh-2);
  min-height: 380px;
}
.ph-gallery img {
  width: 100%; height: auto; object-fit: contain;
  filter: drop-shadow(0 22px 34px rgba(16, 41, 62, .2));
  transition: transform .6s var(--ease-out);
}
.ph-gallery:hover img { transform: scale(1.03); }

.breadcrumb {
  font-size: 12px; color: var(--slate-2);
  margin: 0 0 22px; font-family: var(--mono);
  letter-spacing: .01em;
}
.breadcrumb a { color: var(--slate); }
.breadcrumb span { margin: 0 7px; opacity: .6; }

.ph-title { font-size: clamp(28px, 3.6vw, 42px); margin-bottom: 12px; }
.ph-sku {
  font-family: var(--mono); font-size: 12px;
  color: var(--slate-2); letter-spacing: .05em; margin-bottom: 20px;
}
.ph-lede { font-size: 16.5px; color: var(--slate); margin-bottom: 28px; }

.price-box {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 18px;
  background: var(--white);
  box-shadow: var(--sh-2);
}
.price-box table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.price-box th {
  background: linear-gradient(100deg, var(--navy-2), var(--navy));
  color: #bfd6e5;
  font-size: 10px; letter-spacing: .13em; text-transform: uppercase;
  padding: 13px 16px; text-align: left; font-weight: 660;
}
.price-box th.num, .price-box td.num { text-align: right; }
.price-box td {
  padding: 15px 16px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.price-box td:first-child { font-family: var(--font); font-weight: 620; color: var(--ink); }
.price-box tr:last-child td { border-bottom: none; }
.price-box tr.highlight { background: var(--aqua-50); }
.price-box tr.highlight td:first-child { color: var(--aqua-700); }

.ph-actions { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.ph-actions .btn { width: 100%; }

.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.spec-table th {
  text-align: left; font-weight: 620; color: var(--slate);
  padding: 15px 0; width: 38%;
  border-bottom: 1px solid var(--line);
  font-size: 13px; vertical-align: top;
}
.spec-table td {
  padding: 15px 0; border-bottom: 1px solid var(--line);
  color: var(--ink-2);
}
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

.callout {
  border-left: 3px solid var(--aqua);
  background: linear-gradient(100deg, var(--aqua-50), rgba(230,245,250,.35));
  padding: 20px 24px;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 14.5px;
  color: var(--ink-2);
  margin: 26px 0;
  line-height: 1.6;
}
.callout.warn {
  border-left-color: var(--amber);
  background: linear-gradient(100deg, var(--amber-50), rgba(253,244,230,.4));
  color: var(--amber);
}
.callout strong { font-weight: 680; }

.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li {
  position: relative; padding-left: 30px;
  margin-bottom: 13px; font-size: 14.5px; color: var(--slate);
  line-height: 1.6;
}
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 1px;
  width: 19px; height: 19px; border-radius: 50%;
  background: var(--jade-50); color: var(--jade);
  display: grid; place-items: center;
  font-size: 10px; font-weight: 800;
}

/* 否定清单：不用勾，用减号，避免「勾选禁止项」的误读 */
.checklist.neg li::before {
  content: "–";
  background: rgba(180, 92, 24, .1);
  color: #a4520f;
  font-size: 13px;
  font-weight: 700;
}

/* ================= FOOTER ================= */
.site-footer {
  position: relative;
  background:
    radial-gradient(80% 100% at 12% 0%, rgba(18, 160, 196, .13), transparent 60%),
    linear-gradient(180deg, #0d2233 0%, #071620 100%);
  color: #8fa6b6;
  padding: 72px 0 36px;
  font-size: 13.5px;
  border-top: 1px solid rgba(79, 196, 224, .16);
}
.footer-grid {
  display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 52px;
}
.footer-grid h4 {
  font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase;
  color: #6f8ea3; margin-bottom: 18px; font-weight: 680;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 11px; }
.footer-grid a { color: #b6c9d7; font-size: 13.5px; }
.footer-grid a:hover { color: #4fc4e0; text-decoration: none; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { color: #8fa6b6; max-width: 36ch; line-height: 1.65; }

.disclaimer {
  border-top: 1px solid rgba(143, 166, 182, .18);
  padding-top: 28px;
  font-size: 11.5px; line-height: 1.7;
  color: #71889a;
}
.disclaimer p { margin-bottom: 12px; }
.disclaimer strong { color: #9fb5c5; font-weight: 640; }

/* ================= ANIMATIONS ================= */
@keyframes orbDriftA {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(7vw, 5vh, 0) scale(1.12); }
}
@keyframes orbDriftB {
  0%   { transform: translate3d(0, 0, 0) scale(1.06); }
  100% { transform: translate3d(-6vw, -4vh, 0) scale(1); }
}
@keyframes orbDriftC {
  0%   { transform: translate3d(0, 0, 0) scale(.95); }
  100% { transform: translate3d(-4vw, 6vh, 0) scale(1.1); }
}
@keyframes sweep {
  0%   { transform: translate3d(-42%, 0, 0); }
  100% { transform: translate3d(42%, 0, 0); }
}
@keyframes productFloat {
  0%   { transform: translate3d(0, 0, 0) rotate(0deg); }
  50%  { transform: translate3d(-10px, -16px, 0) rotate(-.7deg); }
  100% { transform: translate3d(0, 0, 0) rotate(0deg); }
}
@keyframes deviceFloat {
  0%   { transform: translate3d(0, 0, 0) rotate(0deg); }
  50%  { transform: translate3d(6px, 12px, 0) rotate(.9deg); }
  100% { transform: translate3d(0, 0, 0) rotate(0deg); }
}
@keyframes glowPulse {
  0%, 100% { opacity: .8; transform: scale(1); }
  50%      { opacity: 1;  transform: scale(1.05); }
}
@keyframes flow {
  to { stroke-dashoffset: -180; }
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(18, 160, 196, .55); }
  70%  { box-shadow: 0 0 0 9px rgba(18, 160, 196, 0); }
  100% { box-shadow: 0 0 0 0 rgba(18, 160, 196, 0); }
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(.4); opacity: .4; }
  50%      { transform: scaleY(1);  opacity: 1; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* reveal on scroll — only when JS is available, otherwise content stays visible */
html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
html.js .reveal.in { opacity: 1; transform: none; }

/* ================= RESPONSIVE ================= */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .hero-visual { min-height: 340px; margin-top: 10px; }
  .hero-product { width: 100%; margin-left: 0; margin-top: 8px; }
  .hero-device { width: 30%; right: -2%; top: -6%; }
  .hero { min-height: 0; padding-bottom: 64px; }
  .ph-grid { grid-template-columns: 1fr; gap: 34px; }
  .trustbar-inner { grid-template-columns: repeat(2, 1fr); }
  .trustbar-item:nth-child(2) { border-right: none; }
  .trustbar-item:nth-child(1),
  .trustbar-item:nth-child(2) { border-bottom: 1px solid var(--line); }
  .persona-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .tier-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sample-banner { grid-template-columns: 1fr; gap: 30px; padding: 38px; }
  .banner-device { display: none; }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; }
  body { font-size: 16px; }
  .nav { display: none; }
  .nav-toggle { display: block; }
  .header-phone { display: none; }
  .header-cta .btn { display: none; }
  .nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 74px; left: 0; right: 0;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    padding: 12px var(--gutter) 22px; gap: 0; align-items: stretch;
    margin-left: 0;
    box-shadow: var(--sh-2);
  }
  .nav.open a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav.open a::after { display: none; }

  .hero { padding: 44px 0 56px; }
  .hero-sub { font-size: 16px; }
  .hero-meta li { font-size: 11.5px; padding: 6px 11px; }
  .hero-visual { min-height: 230px; }
  .hero-product { width: 100%; margin-left: 0; margin-top: 0; }
  .hero-device { width: 27%; opacity: .26; }
  .hero-annot { display: none; }
  
  section.block { padding: 56px 0; }
  section.block.tight { padding: 44px 0; }
  .section-head { margin-bottom: 30px; }
  .product-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .sample-prices { gap: 26px; }
  .form-card { padding: 24px; }
  .trustbar { margin-top: -22px; }
  table.data { font-size: 13.5px; }
  table.data th, table.data td { padding: 12px 12px; }
  .ph-gallery { min-height: 260px; padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .hero-orb, .hero-sweep, .hero-product, .hero-device, .hero-glow { animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, .ph-actions, .sample-banner, .hero-bg,
  .hero-sweep, .banner-device { display: none !important; }
  body { font-size: 11pt; background: #fff; }
  section.block { padding: 18pt 0; }
}

/* ============================================================
   M2 PAGE KIT — inner pages (wholesale / compare / about / legal)
   ============================================================ */
.page-head {
  padding: 52px 0 8px;
  position: relative;
}
.page-head .breadcrumb { margin-bottom: 20px; }
.page-title {
  font-size: clamp(30px, 4.1vw, 46px);
  letter-spacing: -.025em;
  margin-bottom: 16px;
  max-width: 22ch;
}
.page-lede {
  font-size: 17.5px;
  color: var(--slate);
  max-width: 62ch;
  line-height: 1.62;
}

/* stat strip */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}
.stat {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 22px 22px 20px;
  box-shadow: var(--sh-1);
}
.stat .k {
  font-family: var(--mono);
  font-size: 25px;
  font-weight: 680;
  letter-spacing: -.035em;
  color: var(--ink);
  line-height: 1.1;
}
.stat .l {
  font-size: 12.5px;
  color: var(--slate);
  margin-top: 9px;
  line-height: 1.5;
}

/* layout helpers */
.persona-grid.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
  align-items: start;
}
.split-2 > * { min-width: 0; }

/* compact tables inside tier cards */
table.data.compact { min-width: 0; font-size: 13.5px; }
table.data.compact th,
table.data.compact td { padding: 12px 14px; }
table.data.compact thead th { font-size: 9.5px; letter-spacing: .1em; }
.tier-card table.data.compact tbody tr:last-child td { border-bottom: none; }
.tier-card table.data.compact td.num { font-size: 13px; }
.col-hi { background: var(--aqua-50) !important; }

/* legal headings */
.legal-h {
  font-size: 21px;
  margin: 38px 0 12px;
  letter-spacing: -.01em;
}
.legal-h:first-of-type { margin-top: 8px; }

/* CTA band */
.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  background:
    radial-gradient(70% 130% at 92% 8%, rgba(18, 160, 196, .3), transparent 60%),
    linear-gradient(150deg, var(--navy-2) 0%, var(--navy) 60%, #0a2130 100%);
  color: #c8d9e6;
  border-radius: var(--r-lg);
  padding: 40px 44px;
  box-shadow: 0 20px 50px rgba(8, 26, 38, .24);
  overflow: hidden;
  position: relative;
}
.cta-band h2 { color: #fff; font-size: clamp(22px, 2.4vw, 30px); margin-bottom: 8px; }
.cta-band p { color: #a7bfd2; margin: 0; font-size: 15px; max-width: 46ch; }
.cta-band-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-band .btn:not(.btn-outline) {
  background: #fff;
  color: var(--navy);
  border-color: #fff;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .26);
}
.cta-band .btn:not(.btn-outline):hover { color: var(--navy); }
.cta-band .btn:not(.btn-outline)::after {
  background: radial-gradient(120% 140% at 50% -20%, rgba(18, 160, 196, .28), transparent 60%);
}
.cta-band .btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, .34);
  color: #fff;
  box-shadow: none;
  backdrop-filter: none;
}
.cta-band .btn-outline::after { background: radial-gradient(120% 140% at 50% -20%, rgba(18, 160, 196, .35), transparent 60%); }
.cta-band .btn-outline:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .55);
  color: #fff;
}

@media (max-width: 1080px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .persona-grid.grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .split-2 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .persona-grid.grid-4 { grid-template-columns: 1fr; }
  .cta-band { padding: 30px 26px; }
  .page-head { padding-top: 36px; }
  .page-lede { font-size: 16px; }
}