/* ==========================================================================
   支付侠 · zhifuxia.top
   Visual language: billboard green, white extruded type, lightning mark
   ========================================================================== */

:root {
  --g-50:  #F3FBF3;
  --g-100: #E4F5E5;
  --g-200: #CFEBCF;
  --g-300: #9BDBA2;
  --g-400: #63C46E;
  --g-500: #3EA84A;
  --g-600: #2E8E3A;
  --g-700: #1F7330;
  --g-800: #145223;
  --g-900: #0B3419;
  --ink:   #0C2318;
  --ink-2: #33513F;
  --ink-3: #5B7466;
  --line:  #E1EDE2;

  --wrap: 1200px;
  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;
  --r-xl: 34px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --font: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC",
          "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.ic {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.wrap {
  width: min(var(--wrap), calc(100% - 48px));
  margin-inline: auto;
}

.skip {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 999;
  background: #fff;
  color: var(--g-800);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: top .2s;
}
.skip:focus { top: 14px; }

:focus-visible {
  outline: 3px solid var(--g-400);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- logo mark (alpha PNG used as mask, so it takes any colour) --- */
.mark {
  display: block;
  width: 34px;
  height: 34px;
  object-fit: contain;
  flex: none;
}
.mark-sm { width: 19px; height: 19px; }

/* =============================== buttons ================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 54px;
  padding: 0 28px;
  border: 0;
  border-radius: 999px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .25s;
}
.btn .ic { width: 20px; height: 20px; }
.btn-primary { background: #fff; color: var(--g-800); box-shadow: 0 14px 34px rgba(3, 20, 10, .28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 42px rgba(3, 20, 10, .34); }
.btn-light { background: #fff; color: var(--g-800); box-shadow: 0 10px 26px rgba(3, 20, 10, .18); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(3, 20, 10, .24); }
.btn-ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .38);
  background: rgba(255, 255, 255, .08);
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .55); }
.btn-sm { height: 42px; padding: 0 20px; font-size: 14px; }
.btn-block { width: 100%; margin-top: 18px; }

/* ================================ nav =================================== */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  padding: 16px 0;
  transition: padding .3s var(--ease), background-color .3s, box-shadow .3s;
}
.nav.is-scrolled {
  padding: 8px 0;
  background: rgba(9, 40, 20, .82);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
          backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 10px 30px rgba(2, 16, 8, .22);
}
.nav-inner {
  width: min(var(--wrap), calc(100% - 48px));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-name { font-size: 21px; font-weight: 900; letter-spacing: .05em; color: #fff; }
.brand-tag {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .26em;
  color: rgba(255, 255, 255, .45);
  align-self: flex-end;
  padding-bottom: 6px;
}

.nav-links { display: flex; gap: 30px; }
.nav-links a {
  font-size: 15px;
  color: rgba(255, 255, 255, .76);
  text-decoration: none;
  letter-spacing: .02em;
  position: relative;
  padding: 6px 0;
  transition: color .2s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--g-300);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s var(--ease);
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-tel {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #fff;
  font-size: 14.5px;
  font-weight: 700;
  text-decoration: none;
  font-variant-numeric: tabular-nums;
}
.nav-tel .ic { width: 17px; height: 17px; color: var(--g-300); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, .26);
  background: rgba(255, 255, 255, .08);
  color: #fff;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(9, 40, 20, .97);
  -webkit-backdrop-filter: blur(16px);
          backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 10px 24px 22px;
}
.mobile-menu a {
  color: rgba(255, 255, 255, .84);
  text-decoration: none;
  font-size: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.mobile-menu a.mm-tel {
  margin-top: 14px;
  border: 0;
  border-radius: 12px;
  background: #fff;
  color: var(--g-800);
  text-align: center;
  font-weight: 800;
}

/* ================================ hero ================================== */
.hero {
  position: relative;
  color: #fff;
  background:
    radial-gradient(120% 90% at 85% 0%, #4CB84F 0%, rgba(76, 184, 79, 0) 55%),
    radial-gradient(90% 80% at 10% 100%, #2A8B37 0%, rgba(42, 139, 55, 0) 60%),
    linear-gradient(168deg, #3EA047 0%, #2C8A38 46%, #175F27 100%);
  overflow: hidden;
  isolation: isolate;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-glow {
  position: absolute;
  width: 780px; height: 780px;
  right: -180px; top: -260px;
  background: radial-gradient(circle, rgba(190, 255, 190, .38), rgba(190, 255, 190, 0) 62%);
  filter: blur(10px);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 78px 78px;
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 45% 35%, #000 20%, transparent 76%);
          mask-image: radial-gradient(ellipse 75% 65% at 45% 35%, #000 20%, transparent 76%);
}
.hero-word {
  position: absolute;
  right: 1.5%;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: clamp(110px, 12.5vw, 205px);
  font-weight: 900;
  letter-spacing: .08em;
  line-height: 1;
  color: rgba(255, 255, 255, .045);
  pointer-events: none;
  user-select: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  align-items: center;
  gap: 40px;
  min-height: calc(100vh - 188px);
  padding: 140px 0 64px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 8px 13px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .1);
  -webkit-backdrop-filter: blur(8px);
          backdrop-filter: blur(8px);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .92);
}
.badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #B9F5BF;
  box-shadow: 0 0 0 4px rgba(185, 245, 191, .18);
}

.title3d {
  margin-top: 22px;
  font-size: clamp(76px, 10.4vw, 142px);
  font-weight: 900;
  line-height: .94;
  letter-spacing: .05em;
  color: #fff;
  text-shadow:
    0 2px 0 #EAF7E8,
    0 7px 0 #2C7F39,
    0 9px 0 #267330,
    0 11px 0 #206528,
    0 13px 0 #195620,
    0 15px 0 #124619,
    0 16px 0 #0E3B15,
    0 30px 40px rgba(2, 20, 8, .42);
}

.hero-slogan {
  margin-top: 26px;
  font-size: clamp(26px, 3.1vw, 42px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: .01em;
  color: #fff;
}

.hero-desc {
  margin-top: 20px;
  max-width: min(46ch, 100%);
  font-size: 16.5px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .8);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero-meta {
  display: flex;
  gap: 34px;
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .16);
  flex-wrap: wrap;
}
.hero-meta li { font-size: 13.5px; color: rgba(255, 255, 255, .68); letter-spacing: .02em; }
.hero-meta strong {
  display: inline-block;
  font-size: 25px;
  font-weight: 900;
  color: #fff;
  margin-right: 6px;
  line-height: 1;
  transform: translateY(1px);
}

/* ---------- device mockup ---------- */
.hero-visual { position: relative; min-width: 0; }
.device-stage {
  position: relative;
  width: min(360px, 100%);
  margin-inline: auto;
  padding: 10px;
}
.stage-glow {
  position: absolute;
  left: -18%; right: -18%;
  bottom: 2%;
  height: 52%;
  background: radial-gradient(ellipse at center, rgba(150, 245, 165, .34), rgba(150, 245, 165, 0) 68%);
  filter: blur(26px);
  z-index: -1;
}

.device {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  aspect-ratio: 330 / 502;
  border-radius: 34px;
  padding: 16px;
  background: linear-gradient(155deg, #22382C 0%, #14261C 38%, #08120C 100%);
  border: 1px solid rgba(255, 255, 255, .1);
  box-shadow:
    0 44px 80px rgba(0, 0, 0, .45),
    0 8px 20px rgba(0, 0, 0, .3),
    inset 0 1px 0 rgba(255, 255, 255, .16);
  transform: rotate(-6deg);
  transition: transform .6s var(--ease);
}
.device:hover { transform: rotate(-3deg) translateY(-6px); }

.device-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 6px 12px;
}
.led {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #5CE470;
  box-shadow: 0 0 0 4px rgba(92, 228, 112, .14), 0 0 14px #5CE470;
  animation: ledPulse 2.6s ease-in-out infinite;
}
.device-net {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .18em;
  color: rgba(255, 255, 255, .4);
}

.screen {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  padding: 15px;
  background: #04110A;
  border: 1px solid rgba(120, 205, 140, .16);
  box-shadow: inset 0 0 50px rgba(80, 220, 120, .07);
}
.screen-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: rgba(255, 255, 255, .5);
  letter-spacing: .04em;
  margin-bottom: 12px;
}
.screen-amount { font-size: 13px; font-weight: 800; color: #7BE58C; font-variant-numeric: tabular-nums; }

.qr-box {
  position: relative;
  flex: 1;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: 10px;
  border-radius: 10px;
  background: #04120A;
  overflow: hidden;
}
.qr-img { width: 100%; height: 100%; object-fit: contain; image-rendering: pixelated; opacity: .96; }
.scanline {
  position: absolute;
  left: 8%; right: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #8CF29B 20%, #B6FFC0 50%, #8CF29B 80%, transparent);
  box-shadow: 0 0 14px 2px rgba(140, 242, 155, .55);
  animation: scan 3.2s cubic-bezier(.45, 0, .55, 1) infinite;
}
.screen-foot {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 10px;
  color: rgba(255, 255, 255, .42);
}
.pay-dot { width: 9px; height: 9px; border-radius: 3px; }
.pay-dot.wx { background: #22C55E; }
.pay-dot.al { background: #1677FF; margin-left: 10px; }

.device-body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 18px 6px 0;
}
.device-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .82);
}
.device-brand .mark { opacity: .92; }
.device-code {
  font-size: 9px;
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .28);
}
.device-slot {
  position: absolute;
  left: 50%; bottom: 74px;
  transform: translateX(-50%);
  width: 74px; height: 4px;
  border-radius: 4px;
  background: #030A06;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, .1);
}
.device-port {
  position: absolute;
  left: 50%; bottom: -7px;
  transform: translateX(-50%);
  width: 48px; height: 12px;
  border-radius: 0 0 8px 8px;
  background: #08130D;
  border: 1px solid rgba(255, 255, 255, .09);
  border-top: 0;
}

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 13px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .26);
  animation: floatY 7s ease-in-out infinite;
  z-index: 3;
}
.fc-1 { top: -1%; right: -13%; }
.fc-2 { bottom: 1%; left: -20%; animation-delay: -2.4s; }
.fc-3 { bottom: -3%; right: -8%; animation-delay: -4.6s; }
.fc-icon {
  width: 30px; height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: #E8F9EC;
  color: #1E9E45;
  flex: none;
}
.fc-icon .ic { width: 17px; height: 17px; }
.fc-icon.alt { background: #EAF2FF; color: #1677FF; }
.fc-text b { display: block; font-size: 12px; font-weight: 800; color: #10241A; }
.fc-text em {
  display: block;
  font-style: normal;
  font-size: 10.5px;
  color: #6B8274;
  margin-top: 1px;
  font-variant-numeric: tabular-nums;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22C55E;
  flex: none;
  animation: ping 2s ease-out infinite;
}

.hero-trust {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, .14);
  background: rgba(0, 0, 0, .16);
}
.trust-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 0;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: rgba(255, 255, 255, .8);
  letter-spacing: .01em;
}
.trust-item .ic { width: 18px; height: 18px; color: var(--g-300); }

/* ============================== marquee ================================= */
.marquee {
  background: #08240F;
  color: #fff;
  padding: 15px 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 22px;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee span {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .82);
}
.marquee i { font-style: normal; color: var(--g-500); opacity: .8; }

/* ============================== sections ================================ */
.section { position: relative; padding: clamp(72px, 8.5vw, 120px) 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--g-600);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: currentColor;
  display: block;
}
.eyebrow-light { color: rgba(255, 255, 255, .66); }

.sec-head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 60px); }
.sec-title {
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.005em;
  color: var(--ink);
}
.sec-title.light { color: #fff; }
.sec-lede {
  margin-top: 18px;
  max-width: 58ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* =============================== steps ================================== */
.section-how { background: #fff; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.step {
  position: relative;
  padding: 34px 30px 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
  overflow: hidden;
}
.step::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--g-500), var(--g-300));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.step:hover { transform: translateY(-5px); box-shadow: 0 22px 48px rgba(12, 35, 24, .08); border-color: #CDE6CF; }
.step:hover::after { transform: scaleX(1); }

.step-num {
  display: block;
  font-size: 44px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: .02em;
  color: transparent;
  -webkit-text-stroke: 1.5px #BFDCC2;
  margin-bottom: 20px;
}
.step-icon {
  width: 52px; height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--g-700);
  background: linear-gradient(160deg, #EFFAF0, #D8EFDA);
  margin-bottom: 20px;
}
.step-icon .ic { width: 26px; height: 26px; }
.step h3 { font-size: 21px; font-weight: 800; letter-spacing: .01em; }
.step p { margin-top: 10px; font-size: 14.8px; line-height: 1.85; color: var(--ink-3); }

.how-note {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 34px;
  padding: 22px 28px;
  border-radius: var(--r-md);
  background: #F4FBF4;
  border: 1px dashed #C6E3C9;
}
.how-note-tag {
  flex: none;
  padding: 6px 10px;
  border-radius: 7px;
  background: var(--g-600);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
}
.how-note p { flex: 1; font-size: 14.8px; color: #33513F; line-height: 1.7; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--g-700);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: gap .25s var(--ease);
}
.link-arrow .ic { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.link-arrow:hover { gap: 10px; }
.link-arrow:hover .ic { transform: translateX(2px); }

/* ============================== features ================================ */
.section-features { background: #F5FBF5; }
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature {
  position: relative;
  padding: 34px 32px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid #E4F0E5;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.feature::before {
  content: "";
  position: absolute;
  width: 240px; height: 240px;
  right: -100px; top: -100px;
  background: radial-gradient(circle, rgba(62, 168, 74, .14), transparent 68%);
  opacity: 0;
  transition: opacity .4s;
}
.feature:hover { transform: translateY(-5px); box-shadow: 0 24px 54px rgba(12, 35, 24, .09); border-color: #CDE6CF; }
.feature:hover::before { opacity: 1; }

.feature-ico {
  width: 56px; height: 56px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(150deg, #4FBA52, #2A8A38);
  box-shadow: 0 12px 24px rgba(42, 138, 56, .26);
  margin-bottom: 22px;
}
.feature-ico .ic { width: 26px; height: 26px; }
.feature h3 { font-size: 24px; font-weight: 900; letter-spacing: .01em; }
.feature p { margin-top: 10px; font-size: 15px; line-height: 1.85; color: var(--ink-3); max-width: 42ch; }

.ticks { margin-top: 20px; display: grid; gap: 9px; }
.ticks li {
  position: relative;
  padding-left: 25px;
  font-size: 14.2px;
  color: #2E4C39;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0; top: 3px;
  width: 15px; height: 15px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Ccircle cx='8' cy='8' r='8' fill='%23E4F5E5'/%3E%3Cpath d='M4.6 8.2l2.3 2.3 4.5-4.8' fill='none' stroke='%232E8E3A' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

.chips {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.chips-label { font-size: 13px; color: #6B8274; margin-right: 2px; }
.chip {
  padding: 8px 15px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #DCEBDD;
  font-size: 13.5px;
  font-weight: 600;
  color: #2C4A37;
}

/* =============================== scenes ================================= */
.section-scenes {
  background: #0A2A17;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.scenes-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(70% 60% at 88% 8%, rgba(64, 168, 74, .34), transparent 62%),
    radial-gradient(60% 70% at 4% 96%, rgba(24, 110, 48, .4), transparent 60%);
}
.scenes-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 90px 90px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 20%, #000, transparent 72%);
          mask-image: radial-gradient(ellipse 80% 70% at 70% 20%, #000, transparent 72%);
}
.section-scenes .wrap { position: relative; z-index: 1; }

.scenes-head {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: end;
  margin-bottom: clamp(36px, 4.5vw, 52px);
}
.scenes-lede {
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .68);
  max-width: 42ch;
  padding-bottom: 6px;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.scene-grid li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .1);
  font-size: 14.8px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform .3s var(--ease), background-color .3s, border-color .3s;
}
.scene-grid li:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, .1);
  border-color: rgba(150, 225, 160, .38);
}
.scene-grid .ic { color: #8FDD97; width: 24px; height: 24px; }

.scene-ask {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  margin-top: 24px;
  padding: 26px 30px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  flex-wrap: wrap;
}
.scene-ask h3 { font-size: 19px; font-weight: 800; color: #fff; }
.scene-ask p { margin-top: 6px; font-size: 14.5px; color: rgba(255, 255, 255, .64); }

/* ================================ spec ================================== */
.section-spec { background: #fff; }
.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 76px);
  align-items: start;
}
.spec-points { margin-top: 26px; display: grid; gap: 12px; }
.spec-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: #2E4C39;
}
.spec-points .ic { width: 18px; height: 18px; color: var(--g-600); }
.spec-copy .link-arrow { margin-top: 26px; }

.spec-card {
  padding: 30px;
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, #FBFEFB, #F0F8F1);
  border: 1px solid #DCECDD;
  box-shadow: 0 26px 64px rgba(12, 35, 24, .08);
}
.spec-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid #DCECDD;
  color: var(--g-700);
}
.spec-head b { display: block; font-size: 17px; color: var(--ink); letter-spacing: .01em; }
.spec-head em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #7C9587;
}
.spec-list > div {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed #D9E8DA;
}
.spec-list > div:last-child { border-bottom: 0; }
.spec-list dt { width: 88px; flex: none; font-size: 13.5px; color: #6B8274; }
.spec-list dd { margin: 0; font-size: 14.5px; font-weight: 600; color: #14311F; }
.spec-note { margin-top: 16px; font-size: 12.3px; line-height: 1.75; color: #7C9587; }

/* =============================== about ================================== */
.section-about {
  color: #fff;
  background:
    radial-gradient(80% 70% at 8% 0%, #46AE4C 0%, rgba(70, 174, 76, 0) 58%),
    linear-gradient(150deg, #2C8B38 0%, #17652A 55%, #0D4119 100%);
  overflow: hidden;
  isolation: isolate;
}
.about-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 84px 84px;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 80% 40%, #000, transparent 74%);
          mask-image: radial-gradient(ellipse 70% 80% at 80% 40%, #000, transparent 74%);
  pointer-events: none;
}
.section-about .wrap { position: relative; z-index: 1; }
.about-grid {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
}
.about-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 18px 20px;
  border-radius: 14px;
  background: #fff;
  color: var(--g-800);
  transform: rotate(-3deg);
  box-shadow: 0 24px 50px rgba(0, 0, 0, .24);
}
.about-20 { font-size: 38px; font-weight: 900; line-height: 1; letter-spacing: .01em; }
.about-role {
  padding: 5px 8px;
  border-radius: 6px;
  background: var(--g-800);
  color: #fff;
  font-size: 12.5px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  letter-spacing: .05em;
}
.about-text {
  margin-top: 18px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.95;
  color: rgba(255, 255, 255, .8);
}
.about-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 34px;
}
.about-list li {
  display: grid;
  gap: 5px;
  padding: 20px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .13);
}
.about-list .ic { width: 22px; height: 22px; color: #A5E4AC; margin-bottom: 6px; }
.about-list b { font-size: 14.5px; color: #fff; }
.about-list span { font-size: 12.8px; color: rgba(255, 255, 255, .6); line-height: 1.6; }

/* ============================== contact ================================= */
.section-contact { background: #fff; }
.contact-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: clamp(32px, 4vw, 56px);
  padding: clamp(32px, 5vw, 62px);
  border-radius: var(--r-xl);
  background: linear-gradient(135deg, #3FA84A 0%, #237F32 52%, #0F5220 100%);
  color: #fff;
  overflow: hidden;
  box-shadow: 0 34px 80px rgba(15, 82, 32, .26);
  isolation: isolate;
}
.contact-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(60% 90% at 100% 0%, rgba(180, 255, 180, .14), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  opacity: .92;
  pointer-events: none;
}
.contact-main, .contact-side { position: relative; z-index: 1; }
.contact-card h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  font-weight: 900;
  line-height: 1.26;
  letter-spacing: .005em;
}
.contact-sub {
  margin-top: 16px;
  max-width: 40ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .78);
}
.contact-tel {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  color: #fff;
  text-decoration: none;
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 900;
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
  transition: opacity .2s;
}
.contact-tel:hover { opacity: .86; }
.contact-tel .ic { width: 30px; height: 30px; color: #B7F0BD; }
.contact-tel-note { margin-top: 10px; font-size: 13px; color: rgba(255, 255, 255, .62); }

.contact-side {
  display: grid;
  align-content: start;
  gap: 2px;
  padding: 24px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18);
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
}
.contact-row {
  display: flex;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.contact-row .ic { width: 20px; height: 20px; color: #A9E6AF; margin-top: 2px; }
.contact-row b { display: block; font-size: 13.5px; letter-spacing: .03em; }
.contact-row span { display: block; margin-top: 5px; font-size: 13.5px; line-height: 1.65; color: rgba(255, 255, 255, .72); }

/* =============================== footer ================================= */
.footer {
  padding: 46px 0 28px;
  background: #071E0E;
  color: rgba(255, 255, 255, .62);
  font-size: 13.5px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 14px; color: #fff; }
.footer-brand .mark { width: 38px; height: 38px; }
.footer-brand b { display: block; font-size: 18px; letter-spacing: .06em; }
.footer-brand span { display: block; margin-top: 3px; font-size: 12px; color: rgba(255, 255, 255, .48); letter-spacing: .04em; }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-links a { text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 20px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .5);
}
.footer-bottom a { text-decoration: none; }
.footer-bottom a:hover { color: #fff; text-decoration: underline; }

/* ============================== motion ================================== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
  transition-delay: calc(var(--d, 0) * 85ms);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

@keyframes scan {
  0%   { top: 6%; opacity: 0; }
  12%  { opacity: 1; }
  88%  { opacity: 1; }
  100% { top: 92%; opacity: 0; }
}
@keyframes ledPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .45; }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, .55); }
  70% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================ responsive ================================ */
@media (max-width: 1080px) {
  .nav-links { gap: 22px; }
  .nav-tel span { display: none; }
  .nav-tel { width: 42px; height: 42px; border-radius: 12px; border: 1px solid rgba(255,255,255,.24); justify-content: center; }
  .hero-inner { gap: 24px; }
  .fc-1 { right: -4%; }
  .fc-2 { left: -6%; }
  .fc-3 { right: -2%; }
}

@media (max-width: 940px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu:not([hidden]) { display: flex; }
  .nav.is-open { background: rgba(9, 40, 20, .97); }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 128px 0 56px;
    gap: 56px;
  }
  .hero-visual { max-width: 420px; margin-inline: auto; width: 100%; }
  .hero-word { display: none; }
  .hero-meta { margin-top: 34px; }

  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .scenes-head { grid-template-columns: 1fr; align-items: start; gap: 18px; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-list { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap { width: calc(100% - 32px); }
  .nav-inner { width: calc(100% - 32px); }
  .brand-tag { display: none; }
  .brand-name { font-size: 19px; }
  .title3d { font-size: clamp(64px, 19vw, 88px); }
  .hero-slogan { font-size: 24px; }
  .hero-desc { font-size: 15.5px; }
  .hero-actions { gap: 10px; }
  .btn { height: 50px; padding: 0 22px; font-size: 15px; }
  .hero-meta { gap: 20px; }
  .hero-meta li { font-size: 12.5px; }
  .trust-row { justify-content: flex-start; gap: 14px 22px; }
  .trust-item { font-size: 13px; }
  .fc-1 { right: -2%; top: 0; }
  .fc-2 { left: -2%; bottom: 14%; }
  .fc-3 { display: none; }
  .step { padding: 28px 24px; }
  .feature { padding: 28px 24px; }
  .how-note { flex-direction: column; align-items: flex-start; gap: 14px; }
  .scene-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .scene-grid li { padding: 16px 14px; font-size: 13px; gap: 9px; }
  .scene-grid .ic { width: 20px; height: 20px; }
  .scene-ask { padding: 22px; }
  .contact-card { border-radius: 24px; padding: 28px 22px; }
  .contact-tel { font-size: 30px; }
  .contact-tel .ic { width: 24px; height: 24px; }
  .footer-top { gap: 18px; }
  .footer-links { gap: 18px; font-size: 13px; }
}

@media (max-width: 420px) {
  .nav-cta .btn-light { display: none; }
  .hero-meta { gap: 14px; }
  .hero-meta strong { font-size: 21px; }
  .hero-meta li { font-size: 12px; }
  .btn { padding: 0 18px; }
  .contact-tel { font-size: 26px; }
  .spec-card { padding: 22px 18px; }
  .spec-list > div { gap: 10px; }
  .spec-list dt { width: 76px; font-size: 12.5px; }
  .spec-list dd { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .scanline, .float-card, .led, .pulse-dot, .marquee-track { animation: none !important; }
}

.hero-copy { min-width: 0; }
