/* ==========================================================================
   擎领科技 · 简爱数智 PatX —— AI 文生文 / 文生图 付费咨询站点
   Design tokens + components
   ========================================================================== */

:root {
  --ink: #0a1b33;
  --ink-2: #21395c;
  --ink-3: #5b7291;
  --navy: #071f43;
  --navy-2: #0b2a56;
  --blue: #1668d6;
  --blue-d: #0f4fae;
  --cyan: #22c3e6;
  --cyan-l: #7fe3f5;
  --sky: #eef7fe;
  --paper: #f6f9fd;
  --white: #ffffff;
  --line: rgba(11, 42, 86, 0.1);
  --line-2: rgba(11, 42, 86, 0.16);
  --grad: linear-gradient(120deg, #1668d6 0%, #22c3e6 100%);
  --grad-soft: linear-gradient(140deg, #eef7fe 0%, #e6f0fd 100%);
  --shadow-s: 0 2px 10px rgba(10, 27, 51, 0.05);
  --shadow-m: 0 14px 40px -18px rgba(10, 27, 51, 0.22);
  --shadow-l: 0 30px 70px -30px rgba(10, 27, 51, 0.35);
  --r-s: 10px;
  --r-m: 16px;
  --r-l: 24px;
  --max: 1180px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC",
    system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { margin: 0; line-height: 1.25; letter-spacing: -0.02em; font-weight: 700; text-wrap: balance; }

p { margin: 0; text-wrap: pretty; }

ul, ol { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(34, 195, 230, 0.28); }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.sec { padding: 96px 0; position: relative; }
.sec--tight { padding: 72px 0; }
.sec--paper { background: var(--paper); }
.sec--dark { background: var(--navy); color: #e8f1fb; }
.sec--dark h1, .sec--dark h2, .sec--dark h3 { color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.12em;
  color: var(--blue); text-transform: uppercase;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--grad);
}
.sec--dark .eyebrow { color: var(--cyan-l); }

.sec-head { max-width: 760px; margin-bottom: 52px; }
.sec-head h2 { font-size: clamp(26px, 3.3vw, 40px); }
.sec-head p { margin-top: 18px; color: var(--ink-3); font-size: 17px; }
.sec--dark .sec-head p { color: rgba(226, 240, 252, 0.72); }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head--center .eyebrow { justify-content: center; }

/* ---------- buttons ---------- */
.btn {
  --bg: var(--grad);
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; font-family: inherit; cursor: pointer;
  background: var(--bg); color: #fff; letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.2s ease, color 0.2s ease;
  box-shadow: 0 10px 24px -12px rgba(22, 104, 214, 0.75);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(22, 104, 214, 0.8); }
.btn:active { transform: translateY(0); }
.btn--ghost {
  background: transparent; color: var(--ink); border-color: var(--line-2); box-shadow: none;
}
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); background: rgba(22, 104, 214, 0.05); }
.sec--dark .btn--ghost, .hero .btn--ghost { color: #e8f1fb; border-color: rgba(255, 255, 255, 0.28); }
.sec--dark .btn--ghost:hover, .hero .btn--ghost:hover { color: #fff; border-color: var(--cyan); background: rgba(34, 195, 230, 0.12); }
.btn--lg { padding: 16px 34px; font-size: 16px; }
.btn--block { width: 100%; }
.btn--sm { padding: 9px 18px; font-size: 14px; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 14.5px; font-weight: 600; color: var(--blue);
}
.link-arrow svg { transition: transform 0.22s ease; }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- header ---------- */
.hdr {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.hdr__in {
  max-width: var(--max); margin: 0 auto; padding: 0 24px;
  height: 72px; display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand__logo {
  height: 44px; width: auto; flex: 0 0 auto; object-fit: contain;
}
.brand__logo--chip {
  height: 46px; width: 46px; padding: 6px; background: #fff; border-radius: 12px;
  box-shadow: 0 6px 16px -10px rgba(0, 0, 0, 0.6);
}
.brand__div { width: 1px; height: 24px; background: var(--line-2); }
.brand__txt { display: flex; flex-direction: column; line-height: 1.25; }
.brand__txt b { font-size: 14.5px; letter-spacing: 0.01em; color: var(--ink); }
.brand__txt span { font-size: 11.5px; color: var(--ink-3); letter-spacing: 0.04em; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 9px 14px; border-radius: 8px; font-size: 15px; color: var(--ink-2);
  font-weight: 500; transition: color 0.18s ease, background 0.18s ease;
}
.nav a:hover { color: var(--blue); background: rgba(22, 104, 214, 0.06); }
.nav a.is-on { color: var(--blue); font-weight: 600; background: rgba(22, 104, 214, 0.08); }
.hdr__cta { display: flex; align-items: center; gap: 12px; margin-left: 8px; }
.hdr__tel { font-size: 14px; color: var(--ink-2); font-weight: 600; letter-spacing: 0.02em; }

.burger {
  display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 10px;
  border: 1px solid var(--line-2); background: #fff; cursor: pointer;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.burger span { display: block; width: 18px; height: 1.8px; background: var(--ink); border-radius: 2px; transition: 0.25s ease; }
.burger.is-open span:nth-child(1) { transform: translateY(6.8px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

.mnav {
  display: none; border-top: 1px solid var(--line); background: #fff;
  padding: 12px 24px 24px;
  box-shadow: 0 22px 34px -22px rgba(10, 27, 51, 0.45);
}
.mnav.is-open { display: block; }
.mnav a { display: block; padding: 12px 0; font-size: 16px; border-bottom: 1px solid var(--line); }
.mnav a:last-child { border-bottom: 0; }
.mnav .btn { margin-top: 14px; width: 100%; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(120% 90% at 78% -10%, #10437f 0%, #071f43 55%, #051731 100%);
  color: #eaf3fc; padding: 84px 0 0;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(90% 70% at 40% 0%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(90% 70% at 40% 0%, #000 20%, transparent 80%);
}
.hero::after {
  content: ""; position: absolute; width: 620px; height: 620px; right: -160px; top: -220px;
  background: radial-gradient(circle, rgba(34, 195, 230, 0.38) 0%, transparent 62%);
  filter: blur(18px); pointer-events: none;
}
.hero__grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.06fr 0.94fr; gap: 56px; align-items: center;
  padding-bottom: 76px;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 9px; padding: 6px 14px 6px 8px;
  border-radius: 999px; border: 1px solid rgba(34, 195, 230, 0.35);
  background: rgba(34, 195, 230, 0.09); font-size: 13px; color: #bdf0fb;
  letter-spacing: 0.02em;
}
.hero__badge i {
  width: 6px; height: 6px; border-radius: 50%; background: #33e0a4; margin-left: 6px;
  box-shadow: 0 0 0 4px rgba(51, 224, 164, 0.16);
}
.hero h1 {
  margin: 26px 0 22px; font-size: clamp(34px, 4.6vw, 58px); line-height: 1.15;
  color: #fff; letter-spacing: -0.025em;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #7fe3f5 0%, #4ea8f7 60%, #a8ecff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { font-size: 17.5px; color: rgba(226, 240, 252, 0.78); max-width: 560px; }
.hero__lead b { color: #fff; font-weight: 600; }
.hero__acts { display: flex; flex-wrap: wrap; gap: 14px; margin: 34px 0 0; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 26px; margin-top: 42px; padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.hero__meta div { display: flex; flex-direction: column; }
.hero__meta b { font-size: 24px; color: #fff; letter-spacing: -0.02em; line-height: 1.2; }
.hero__meta b i { font-style: normal; font-size: 15px; color: var(--cyan-l); margin-left: 2px; }
.hero__meta span { font-size: 12.5px; color: rgba(226, 240, 252, 0.6); margin-top: 4px; letter-spacing: 0.03em; }

/* hero visual */
.cockpit {
  position: relative; border-radius: 18px; border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(160deg, rgba(16, 46, 88, 0.95) 0%, rgba(7, 25, 52, 0.98) 100%);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.cockpit__bar {
  display: flex; align-items: center; gap: 7px; padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 11.5px; color: rgba(226, 240, 252, 0.55); letter-spacing: 0.06em;
}
.cockpit__bar i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, 0.18); }
.cockpit__bar i:nth-child(1) { background: #2f6fd0; }
.cockpit__bar i:nth-child(2) { background: #22c3e6; }
.cockpit__bar span { margin-left: 8px; }
.cockpit__body { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(255, 255, 255, 0.08); }
.cockpit__col { background: #08213f; padding: 16px; }
.cockpit__lbl { font-size: 10.5px; letter-spacing: 0.14em; color: rgba(226, 240, 252, 0.42); text-transform: uppercase; }
.cockpit__prompt {
  margin-top: 10px; border-radius: 9px; border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03); padding: 11px 12px;
  font-size: 12.5px; line-height: 1.65; color: #c9e4f7;
}
.cockpit__prompt b { color: var(--cyan-l); font-weight: 600; }
.cockpit__lines { margin-top: 14px; display: flex; flex-direction: column; gap: 7px; }
.cockpit__lines s {
  display: block; height: 6px; border-radius: 4px; text-decoration: none;
  background: linear-gradient(90deg, rgba(34, 195, 230, 0.4), rgba(34, 195, 230, 0.04));
}
.cockpit__lines s:nth-child(2) { width: 82%; opacity: 0.75; }
.cockpit__lines s:nth-child(3) { width: 64%; opacity: 0.5; }
.cockpit__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.cockpit__tags u {
  text-decoration: none; font-size: 10.5px; padding: 4px 8px; border-radius: 5px;
  border: 1px solid rgba(34, 195, 230, 0.3); color: #9fe4f4; background: rgba(34, 195, 230, 0.08);
  font-family: var(--mono);
}
.cockpit__imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 11px; }
.cockpit__imgs b {
  display: block; aspect-ratio: 1 / 1; border-radius: 8px; overflow: hidden; position: relative;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.cockpit__imgs b:nth-child(1) { background: radial-gradient(circle at 30% 25%, #4aa8ef 0%, #1a3f78 55%, #0a1c38 100%); }
.cockpit__imgs b:nth-child(2) { background: radial-gradient(circle at 70% 30%, #4fe0d0 0%, #157a9c 50%, #082a44 100%); }
.cockpit__imgs b:nth-child(3) { background: radial-gradient(circle at 35% 70%, #9fb6ff 0%, #3b56b8 45%, #0d1b3e 100%); }
.cockpit__imgs b:nth-child(4) { background: radial-gradient(circle at 65% 65%, #7fe3f5 0%, #2b8fc4 40%, #0a2237 100%); }
.cockpit__imgs b::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(135deg, rgba(255,255,255,0.16) 0%, transparent 45%);
}
.cockpit__foot {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 11px 16px; border-top: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 11px; color: rgba(226, 240, 252, 0.5);
}
.cockpit__foot em {
  font-style: normal; color: #7ff0c2; display: inline-flex; align-items: center; gap: 5px;
}
.cockpit__foot em::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: #33e0a4; }
.hero__float {
  position: absolute; right: -14px; bottom: 54px; z-index: 3;
  background: rgba(255, 255, 255, 0.97); color: var(--ink);
  border-radius: 12px; padding: 12px 16px; box-shadow: var(--shadow-l);
  display: flex; align-items: center; gap: 11px; font-size: 12.5px;
  animation: floaty 6s ease-in-out infinite;
}
.hero__float b { display: block; font-size: 17px; color: var(--blue); letter-spacing: -0.02em; }
.hero__float span { color: var(--ink-3); font-size: 11.5px; }
.hero__float i {
  width: 34px; height: 34px; border-radius: 9px; background: var(--grad);
  display: grid; place-items: center; color: #fff; flex-shrink: 0;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* trust strip */
.trust { border-top: 1px solid rgba(255, 255, 255, 0.1); position: relative; z-index: 2; }
.trust__in {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 4px 0;
}
.trust__in > div { padding: 18px 22px; border-left: 1px solid rgba(255, 255, 255, 0.1); }
.trust__in > div:first-child { border-left: 0; padding-left: 0; }
.trust__in b {
  display: block; font-size: 11px; letter-spacing: 0.16em; font-weight: 600;
  color: rgba(226, 240, 252, 0.42); margin-bottom: 5px;
}
.trust__in span { font-size: 13.4px; color: #eaf3fc; }

/* ---------- generic grids ---------- */
.grid { display: grid; gap: 22px; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- cards ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-m);
  padding: 30px 28px; box-shadow: var(--shadow-s);
  transition: transform 0.25s ease, box-shadow 0.3s ease, border-color 0.25s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); border-color: rgba(22, 104, 214, 0.24); }
.card__ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad-soft); color: var(--blue); margin-bottom: 20px;
  border: 1px solid rgba(22, 104, 214, 0.12);
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--ink-3); font-size: 14.8px; }
.card__num {
  position: absolute; right: 22px; top: 18px; font-family: var(--mono);
  font-size: 13px; color: rgba(11, 42, 86, 0.22); letter-spacing: 0.1em;
}
.card ul { margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.card ul li {
  font-size: 14px; color: var(--ink-2); display: flex; gap: 9px; align-items: flex-start;
}
.card ul li::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan);
  margin-top: 9px; flex-shrink: 0;
}

.tile {
  border: 1px solid var(--line); border-radius: var(--r-m); padding: 26px 24px;
  background: #fff; transition: border-color 0.22s ease, box-shadow 0.22s ease;
}
.tile:hover { border-color: rgba(22, 104, 214, 0.28); box-shadow: var(--shadow-m); }
.tile h3 { font-size: 16.5px; margin-bottom: 8px; }
.tile p { font-size: 14px; color: var(--ink-3); }

/* ---------- dark feature band ---------- */
.band { position: relative; overflow: hidden; }
.band::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(70% 90% at 12% 0%, rgba(34, 195, 230, 0.18) 0%, transparent 60%),
    radial-gradient(60% 80% at 92% 100%, rgba(22, 104, 214, 0.28) 0%, transparent 60%);
  pointer-events: none;
}
.band > .wrap { position: relative; z-index: 2; }
.band .card {
  background: rgba(255, 255, 255, 0.045); border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none; color: #dbe9f7;
}
.band .card:hover { background: rgba(255, 255, 255, 0.075); border-color: rgba(34, 195, 230, 0.4); }
.band .card p, .band .card ul li { color: rgba(219, 233, 247, 0.75); }
.band .card h3 { color: #fff; }
.band .card__num { color: rgba(255, 255, 255, 0.28); }
.band .card__ico { background: rgba(34, 195, 230, 0.14); border-color: rgba(34, 195, 230, 0.28); color: var(--cyan-l); }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-m); overflow: hidden; }
.stats > div { background: #fff; padding: 30px 24px; }
.stats b { display: block; font-size: clamp(26px, 3vw, 36px); letter-spacing: -0.03em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats span { font-size: 13.5px; color: var(--ink-3); }

/* ---------- split ---------- */
.split { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 64px; align-items: center; }
.split__media {
  border-radius: var(--r-l); border: 1px solid var(--line); overflow: hidden;
  background: var(--grad-soft); position: relative; min-height: 380px; padding: 26px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.diagram { display: flex; flex-direction: column; gap: 10px; }
.diagram__row { display: flex; gap: 10px; align-items: center; }
.diagram__box {
  flex: 1; background: #fff; border: 1px solid rgba(22, 104, 214, 0.18);
  border-radius: 10px; padding: 12px 14px; font-size: 13px; font-weight: 600;
  color: var(--ink-2); box-shadow: var(--shadow-s); display: flex; align-items: center; gap: 9px;
}
.diagram__box i {
  width: 22px; height: 22px; border-radius: 6px; background: var(--grad);
  display: grid; place-items: center; color: #fff; font-size: 10px; font-style: normal;
  flex-shrink: 0; font-family: var(--mono);
}
.diagram__box--ghost { background: rgba(255, 255, 255, 0.6); border-style: dashed; color: var(--ink-3); font-weight: 500; }
.diagram__arrow { width: 100%; height: 16px; display: grid; place-items: center; color: rgba(22, 104, 214, 0.5); }

/* ---------- process ---------- */
.steps { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.steps::before {
  content: ""; position: absolute; left: 4%; right: 4%; top: 27px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2) 12%, var(--line-2) 88%, transparent);
}
.step { position: relative; text-align: left; padding-top: 62px; }
.step b {
  position: absolute; top: 0; left: 0; width: 54px; height: 54px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line-2); display: grid; place-items: center;
  font-family: var(--mono); font-size: 14px; color: var(--blue); z-index: 2;
  box-shadow: var(--shadow-s);
}
.step h3 { font-size: 16px; margin-bottom: 7px; }
.step p { font-size: 13.6px; color: var(--ink-3); }

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.plan {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-l);
  padding: 32px 30px; display: flex; flex-direction: column; position: relative;
  transition: transform 0.25s ease, box-shadow 0.3s ease;
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); }
.plan--hot {
  border-color: transparent; color: #eaf3fc;
  background: linear-gradient(165deg, #0d3566 0%, #071f43 100%);
  box-shadow: var(--shadow-l);
}
.plan--hot h3, .plan--hot .plan__price { color: #fff; }
.plan--hot .plan__desc, .plan--hot .plan__feat li { color: rgba(226, 240, 252, 0.76); }
.plan__flag {
  position: absolute; top: 0; right: 26px; transform: translateY(-50%);
  background: var(--grad); color: #fff; font-size: 11.5px; font-weight: 600;
  padding: 5px 12px; border-radius: 999px; letter-spacing: 0.04em;
  box-shadow: 0 8px 18px -8px rgba(22, 104, 214, 0.9);
}
.plan__name { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); font-weight: 700; }
.plan--hot .plan__name { color: var(--cyan-l); }
.plan h3 { font-size: 22px; margin: 10px 0 6px; }
.plan__desc { font-size: 13.8px; color: var(--ink-3); min-height: 44px; }
.plan__price { font-size: 34px; font-weight: 700; letter-spacing: -0.03em; margin: 18px 0 2px; color: var(--ink); }
.plan__price small { font-size: 14px; font-weight: 500; color: var(--ink-3); letter-spacing: 0; margin-left: 4px; }
.plan--hot .plan__price small { color: rgba(226, 240, 252, 0.6); }
.plan__cycle { font-size: 12.5px; color: var(--ink-3); }
.plan--hot .plan__cycle { color: rgba(226, 240, 252, 0.6); }
.plan__feat { margin: 24px 0 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.plan__feat li { display: flex; gap: 9px; font-size: 14px; color: var(--ink-2); align-items: flex-start; }
.plan__feat svg { flex-shrink: 0; margin-top: 3px; color: var(--blue); }
.plan--hot .plan__feat svg { color: var(--cyan); }
.plan__feat s { text-decoration: none; color: var(--ink-3); opacity: 0.6; }
.plan--hot .plan__feat s { color: rgba(226, 240, 252, 0.42); opacity: 1; }

.note { font-size: 12.8px; color: var(--ink-3); line-height: 1.75; margin-top: 22px; }
.sec--dark .note { color: rgba(226, 240, 252, 0.5); }

/* ---------- estimator ---------- */
.est {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 0;
  border: 1px solid var(--line); border-radius: var(--r-l); overflow: hidden; background: #fff;
  box-shadow: var(--shadow-s);
}
.est__form { padding: 32px; }
.est__out {
  background: linear-gradient(165deg, #0d3566 0%, #071f43 100%); color: #eaf3fc;
  padding: 32px; display: flex; flex-direction: column; justify-content: center;
}
.est__out h3 { font-size: 15px; color: rgba(226, 240, 252, 0.7); font-weight: 500; letter-spacing: 0.04em; }
.est__val {
  font-size: clamp(24px, 2.5vw, 30px); font-weight: 700; color: #fff;
  letter-spacing: -0.02em; margin: 12px 0 6px; line-height: 1.25;
}
.est__val small { font-size: 14px; font-weight: 500; color: rgba(226, 240, 252, 0.6); }
.est__cap { font-size: 12px; color: rgba(226, 240, 252, 0.5); letter-spacing: 0.02em; }
.est__hint { font-size: 12.5px; color: rgba(226, 240, 252, 0.55); line-height: 1.7; }
.est__rows { margin-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 16px; display: flex; flex-direction: column; gap: 9px; }
.est__rows div { display: flex; justify-content: space-between; font-size: 13px; color: rgba(226, 240, 252, 0.68); }
.est__rows div b { color: #fff; font-weight: 600; }

.field { margin-bottom: 18px; }
.field > label, .field__lbl {
  display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 8px;
}
.field input[type="text"], .field input[type="tel"], .field input[type="email"],
.field select, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line-2);
  background: #fff; font-family: inherit; font-size: 14.5px; color: var(--ink);
  transition: border-color 0.18s ease, box-shadow 0.18s ease; appearance: none;
}
.field textarea { min-height: 118px; resize: vertical; line-height: 1.65; }
.field select {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235b7291' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22, 104, 214, 0.13);
}
.field--err input, .field--err select, .field--err textarea { border-color: #e0574f; box-shadow: 0 0 0 3px rgba(224, 87, 79, 0.1); }
.field__err { display: none; font-size: 12.5px; color: #d33b33; margin-top: 6px; }
.field--err .field__err { display: block; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 12.8px; color: var(--ink-3); line-height: 1.6; }
.check input { margin-top: 3px; width: 15px; height: 15px; accent-color: var(--blue); flex-shrink: 0; }
.check a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }

.radio-set { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-set label {
  display: inline-flex; align-items: center; gap: 7px; padding: 9px 14px;
  border: 1px solid var(--line-2); border-radius: 9px; font-size: 13.5px;
  cursor: pointer; transition: 0.18s ease; color: var(--ink-2); background: #fff;
}
.radio-set label:hover { border-color: rgba(22, 104, 214, 0.4); }
.radio-set input { accent-color: var(--blue); }
.radio-set input:checked + span { color: var(--blue); font-weight: 600; }
.radio-set label:has(input:checked) { border-color: var(--blue); background: rgba(22, 104, 214, 0.06); }

/* ---------- compare table ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-m); background: #fff; }
.cmp { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 14px; }
.cmp th, .cmp td { padding: 15px 20px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp thead th { background: var(--paper); font-size: 13px; letter-spacing: 0.04em; color: var(--ink-2); font-weight: 700; }
.cmp tbody th { font-weight: 600; color: var(--ink-2); width: 26%; background: #fbfdff; }
.cmp td { color: var(--ink-3); }
.cmp td.hl { background: rgba(22, 104, 214, 0.035); color: var(--ink-2); }
.cmp tr:last-child th, .cmp tr:last-child td { border-bottom: 0; }
.cmp .yes { color: var(--blue); font-weight: 600; }
.cmp .no { color: rgba(91, 114, 145, 0.55); }

/* ---------- case ---------- */
.case {
  border: 1px solid var(--line); border-radius: var(--r-m); overflow: hidden; background: #fff;
  display: flex; flex-direction: column; transition: transform 0.25s ease, box-shadow 0.3s ease;
}
.case:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); }
.case__top {
  height: 132px; position: relative; overflow: hidden;
  display: flex; align-items: flex-end; padding: 16px 20px;
  color: #fff; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
}
.case__top::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 26px 26px; opacity: 0.5;
}
.case__top span { position: relative; z-index: 2; opacity: 0.9; }
.case:nth-child(1) .case__top { background: linear-gradient(135deg, #0f4fae, #22c3e6); }
.case:nth-child(2) .case__top { background: linear-gradient(135deg, #16325c, #2f7fd6); }
.case:nth-child(3) .case__top { background: linear-gradient(135deg, #0b6f7d, #4fe0d0); }
.case__body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.case__body h3 { font-size: 16.5px; }
.case__body p { font-size: 13.8px; color: var(--ink-3); flex: 1; }
.case__kpi { display: flex; gap: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.case__kpi div b { display: block; font-size: 19px; color: var(--blue); letter-spacing: -0.02em; }
.case__kpi div span { font-size: 11.5px; color: var(--ink-3); }

/* ---------- faq ---------- */
.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  padding: 22px 44px 22px 0; font-family: inherit; font-size: 16.5px; font-weight: 600;
  color: var(--ink); position: relative; line-height: 1.5;
}
.faq__q:hover { color: var(--blue); }
.faq__q i {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--line-2);
  display: grid; place-items: center; transition: 0.25s ease; font-style: normal;
}
.faq__q i::before, .faq__q i::after {
  content: ""; position: absolute; background: var(--ink-2); border-radius: 2px;
  transition: 0.25s ease;
}
.faq__q i::before { width: 9px; height: 1.6px; }
.faq__q i::after { width: 1.6px; height: 9px; }
.faq__item.is-open .faq__q i { background: var(--blue); border-color: var(--blue); transform: translateY(-50%) rotate(180deg); }
.faq__item.is-open .faq__q i::before { background: #fff; }
.faq__item.is-open .faq__q i::after { opacity: 0; }
.faq__a { max-height: 0; overflow: hidden; transition: max-height 0.34s ease; }
.faq__a p { padding: 0 44px 24px 0; color: var(--ink-3); font-size: 14.8px; }

/* ---------- cta band ---------- */
.cta {
  position: relative; overflow: hidden; border-radius: var(--r-l);
  background: linear-gradient(120deg, #0b3568 0%, #071f43 60%, #0a2c52 100%);
  padding: 56px; color: #eaf3fc;
  display: flex; align-items: center; justify-content: space-between; gap: 34px 46px;
  flex-wrap: wrap;
}
.cta::before {
  content: ""; position: absolute; right: -80px; top: -120px; width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(34, 195, 230, 0.3), transparent 65%);
}
.cta::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px; opacity: 0.5;
  mask-image: linear-gradient(90deg, transparent, #000);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000);
}
.cta > div { position: relative; z-index: 2; }
.cta > div:first-child { flex: 1 1 420px; min-width: 0; }
.cta h2 { font-size: clamp(24px, 3vw, 34px); color: #fff; }
.cta p { margin-top: 12px; color: rgba(226, 240, 252, 0.72); font-size: 15.5px; max-width: 620px; }
.cta__acts { display: flex; gap: 12px; flex-wrap: wrap; }
.cta .btn--ghost { color: #eaf3fc; border-color: rgba(255, 255, 255, 0.3); }
.cta .btn--ghost:hover { color: #fff; border-color: var(--cyan); background: rgba(34, 195, 230, 0.14); }

/* ---------- footer ---------- */
.ftr { background: #051731; color: rgba(219, 233, 247, 0.68); padding: 64px 0 0; font-size: 13.8px; }
.ftr__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.ftr h4 { font-size: 13px; color: #fff; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px; font-weight: 600; }
.ftr a:hover { color: var(--cyan-l); }
.ftr__brand .brand__txt b { color: #fff; }
.ftr__brand .brand__txt span { color: rgba(219, 233, 247, 0.5); }
.ftr__brand p { margin-top: 18px; line-height: 1.8; font-size: 13px; color: rgba(219, 233, 247, 0.55); }
.ftr__links { display: flex; flex-direction: column; gap: 11px; }
.ftr__links a { font-size: 13.5px; }
.ftr__contact { display: flex; flex-direction: column; gap: 11px; font-size: 13.5px; }
.ftr__contact b { color: #fff; font-weight: 600; }
.ftr__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 22px 0 26px;
  display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center;
  font-size: 12.5px; color: rgba(219, 233, 247, 0.5);
}
.ftr__legal a:hover { color: var(--cyan-l); }
.ftr__legal .sep { opacity: 0.3; }
.ftr__legal img { height: 14px; vertical-align: -2px; margin-right: 5px; opacity: 0.85; }
.ftr__disc {
  font-size: 12px; line-height: 1.8; color: rgba(219, 233, 247, 0.44);
  padding-bottom: 26px; max-width: 940px;
}

/* ---------- page hero (inner) ---------- */
.phero {
  background: radial-gradient(100% 120% at 80% -30%, #10437f 0%, #071f43 60%, #051731 100%);
  color: #eaf3fc; padding: 72px 0 64px; position: relative; overflow: hidden;
}
.phero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(80% 100% at 50% 0%, #000, transparent 85%);
  -webkit-mask-image: radial-gradient(80% 100% at 50% 0%, #000, transparent 85%);
}
.phero .wrap { position: relative; z-index: 2; }
.phero h1 { font-size: clamp(28px, 3.8vw, 44px); color: #fff; margin-bottom: 18px; }
.phero p { max-width: 680px; color: rgba(226, 240, 252, 0.75); font-size: 16.5px; }
.crumb { font-size: 12.5px; color: rgba(226, 240, 252, 0.5); margin-bottom: 22px; letter-spacing: 0.04em; }
.crumb a:hover { color: var(--cyan-l); }

/* ---------- legal ---------- */
.doc { padding: 64px 0 88px; }
.doc__body { max-width: 820px; }
.doc__body h2 { font-size: 20px; margin: 36px 0 12px; }
.doc__body h3 { font-size: 16.5px; margin: 24px 0 10px; }
.doc__body p, .doc__body li { color: var(--ink-2); font-size: 14.8px; line-height: 1.9; }
.doc__body p + p { margin-top: 12px; }
.doc__body ul { margin: 12px 0; padding-left: 4px; }
.doc__body ul li { position: relative; padding-left: 16px; }
.doc__body ul li::before {
  content: ""; position: absolute; left: 0; top: 13px; width: 5px; height: 5px;
  border-radius: 50%; background: var(--cyan);
}
.doc__meta { font-size: 13px; color: var(--ink-3); padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.to-top {
  position: fixed; right: 24px; bottom: 28px; width: 46px; height: 46px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line-2); box-shadow: var(--shadow-m);
  display: grid; place-items: center; color: var(--ink-2); cursor: pointer; z-index: 60;
  opacity: 0; pointer-events: none; transition: 0.28s ease;
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { color: var(--blue); border-color: var(--blue); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.7, 0.3, 1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.07s; }
.reveal.d2 { transition-delay: 0.14s; }
.reveal.d3 { transition-delay: 0.21s; }
.reveal.d4 { transition-delay: 0.28s; }

/* ---------- form result ---------- */
.done {
  display: none; border: 1px solid rgba(22, 104, 214, 0.25); border-radius: var(--r-m);
  background: var(--grad-soft); padding: 28px;
}
.done.is-on { display: block; }
.done h3 { font-size: 18px; margin-bottom: 8px; color: var(--blue-d); }
.done p { font-size: 14px; color: var(--ink-2); }
.done pre {
  margin: 16px 0 18px; padding: 16px; border-radius: 10px; background: #fff;
  border: 1px solid var(--line); font-family: var(--mono); font-size: 12.5px;
  line-height: 1.85; white-space: pre-wrap; color: var(--ink-2); overflow-x: auto;
}
.done__acts { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; gap: 44px; }
  .hero__float { right: auto; left: 0; bottom: -18px; }
  .split { grid-template-columns: 1fr; gap: 38px; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .steps::before { display: none; }
  .est { grid-template-columns: 1fr; }
  .ftr__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 920px) {
  .trust__in { grid-template-columns: 1fr 1fr; }
  .trust__in > div { padding: 14px 16px; }
  .trust__in > div:nth-child(odd) { border-left: 0; padding-left: 0; }
  .trust__in > div:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, 0.08); }
  .nav, .hdr__cta { display: none; }
  .burger { display: flex; }
  .g-3, .price-grid { grid-template-columns: 1fr; }
  .plan--hot { order: -1; }
  .cta { padding: 38px 28px; }
  .sec { padding: 68px 0; }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 18px; }
  .hdr__in { padding: 0 18px; height: 64px; gap: 14px; }
  .brand__logo { height: 34px; }
  .brand__logo--chip { height: 40px; width: 40px; padding: 5px; }
  .brand__txt b { font-size: 13px; }
  .hero { padding-top: 52px; }
  .hero__grid { padding-bottom: 56px; }
  .sec { padding: 56px 0; }
  .hero__acts { flex-direction: column; align-items: stretch; }
  .hero__acts .btn { width: 100%; }
  .hero__meta { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 14px; }
  .hero__meta div { padding-left: 12px; border-left: 1px solid rgba(255, 255, 255, 0.16); }
  .hero__meta div:first-child, .hero__meta div:nth-child(3) { padding-left: 0; border-left: 0; }
  .hero__meta b { font-size: 20px; }
  .g-2, .g-4, .steps, .ftr__grid, .stats { grid-template-columns: 1fr; }
  .cockpit__body { grid-template-columns: 1fr; }
  .cockpit__imgs { grid-template-columns: repeat(4, 1fr); }
  .cta { padding: 32px 22px; }
  .hero__float { display: none; }
  .est__form, .est__out { padding: 24px; }
  .plan { padding: 26px 22px; }
  .sec-head { margin-bottom: 34px; }
  .doc { padding: 40px 0 64px; }
  .ftr__legal { flex-direction: column; align-items: flex-start; }
  .ftr__legal .sep { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__float { animation: none; }
}

@media print {
  .hdr, .to-top, .cta, .ftr { display: none; }
}