/* ==========================================================================
   柏总管 · 工程宝 官网
   纯静态：无外部字体、无第三方依赖
   ========================================================================== */

:root {
  --paper: #FAF7F3;
  --paper-2: #F3ECE4;
  --surface: #FFFDFA;
  --ink: #231A13;
  --ink-2: #57483C;
  --ink-3: #7A6A5C;
  --primary: #EB5C20;
  --primary-deep: #C44710;
  --primary-soft: #FDEBE4;
  --green: #1E9A5B;
  --green-soft: #E7F5EC;
  --gold: #B7791F;
  --gold-soft: #FBF0DC;
  --line: rgba(35, 26, 19, 0.1);
  --line-strong: rgba(35, 26, 19, 0.17);
  --glass: rgba(255, 252, 248, 0.78);
  --radius: 28px;
  --shadow-lg: 0 40px 90px -44px rgba(94, 52, 25, 0.38);
  --font-sans: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shell: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }

::selection { background: rgba(235, 92, 32, 0.22); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 28px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: none; }

/* ── reveal ─────────────────────────────────────────────── */
.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  transition-delay: 0s;
}
.js .reveal[data-delay="1"] { transition-delay: 0.08s; }
.js .reveal[data-delay="2"] { transition-delay: 0.16s; }
.js .reveal[data-delay="3"] { transition-delay: 0.24s; }
.js .reveal[data-delay="4"] { transition-delay: 0.32s; }
.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ── buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 26px;
  border: 0;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-primary {
  background: linear-gradient(180deg, #f2672c, #e4551a);
  color: #fff;
  box-shadow: 0 18px 36px -16px rgba(196, 71, 16, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 44px -16px rgba(196, 71, 16, 0.78),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.btn-ghost {
  background: rgba(255, 253, 250, 0.68);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(235, 92, 32, 0.4);
  background: rgba(255, 253, 250, 0.95);
}
.btn-ghost svg { width: 18px; height: 18px; }
.btn-sm { padding: 10px 18px; font-size: 13px; }
.btn-sm svg { width: 17px; height: 17px; }

/* ── header ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(250, 247, 243, 0.94);
  border-bottom-color: var(--line);
  backdrop-filter: blur(18px) saturate(165%);
  -webkit-backdrop-filter: blur(18px) saturate(165%);
  box-shadow: 0 12px 30px -24px rgba(94, 52, 25, 0.45);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 30px;
  height: 76px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  box-shadow: 0 8px 18px -8px rgba(196, 71, 16, 0.55);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.12; }
.brand-text strong {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand-text em {
  font-style: normal;
  margin-top: 3px;
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--ink-3);
}
.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 30px;
}
.site-nav a {
  position: relative;
  font-size: 13.5px;
  font-weight: 550;
  color: var(--ink-2);
  padding: 6px 0;
  transition: color 0.2s var(--ease);
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1.5px;
  border-radius: 2px;
  background: var(--primary);
  transition: right 0.28s var(--ease);
}
.site-nav a:hover { color: var(--primary-deep); }
.site-nav a:hover::after { right: 0; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 253, 250, 0.7);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 17px;
  height: 1.6px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.3px) rotate(-45deg); }

/* ── hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 138px 0 0;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 46% 38% at 76% 14%, rgba(235, 92, 32, 0.16) 0%, rgba(235, 92, 32, 0) 68%),
    radial-gradient(ellipse 36% 30% at 12% 34%, rgba(235, 92, 32, 0.07) 0%, rgba(235, 92, 32, 0) 72%),
    linear-gradient(180deg, #fbf8f4 0%, var(--paper) 82%);
}
.hero-dots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(35, 26, 19, 0.13) 1px, transparent 1.3px);
  background-size: 30px 30px;
  opacity: 0.35;
  -webkit-mask-image: radial-gradient(ellipse 56% 46% at 66% 30%, #000 0%, transparent 72%);
  mask-image: radial-gradient(ellipse 56% 46% at 66% 30%, #000 0%, transparent 72%);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 40px;
  align-items: center;
  padding-bottom: 58px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 15px;
  border-radius: 999px;
  background: rgba(255, 253, 250, 0.66);
  border: 1px solid rgba(235, 92, 32, 0.2);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.14em;
  color: var(--primary-deep);
  backdrop-filter: blur(8px);
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(235, 92, 32, 0.13);
}
.hero h1 {
  margin-top: 26px;
  font-size: clamp(42px, 5.4vw, 72px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.ink-mark {
  display: inline-block;
  padding: 0 0.06em;
  margin: 0 -0.06em;
  background-image: linear-gradient(
    92deg,
    rgba(235, 92, 32, 0.26),
    rgba(235, 92, 32, 0.52) 42%,
    rgba(235, 92, 32, 0.32)
  );
  background-repeat: no-repeat;
  background-size: 100% 0.3em;
  background-position: 0 84%;
}
.hero-lead {
  margin-top: 26px;
  max-width: 34em;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ink-2);
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 34px;
}
.hero-note {
  margin-top: 18px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--ink-3);
}

.hero-stage {
  position: relative;
  height: 678px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.hero-ring {
  position: absolute;
  top: 44px;
  left: 50%;
  width: 520px;
  height: 520px;
  margin-left: -260px;
  border-radius: 50%;
  border: 1px solid rgba(235, 92, 32, 0.16);
  pointer-events: none;
}
.hero-ring::before {
  content: "";
  position: absolute;
  inset: 52px;
  border-radius: 50%;
  border: 1px dashed rgba(235, 92, 32, 0.16);
}
.hero-ring::after {
  content: "";
  position: absolute;
  inset: -46px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(235, 92, 32, 0.1) 0%, rgba(235, 92, 32, 0) 62%);
  z-index: -1;
}
.phone {
  position: relative;
  border-radius: 46px;
  background: #1d1511;
  padding: 9px;
  overflow: hidden;
  box-shadow: 0 60px 100px -46px rgba(74, 38, 16, 0.6),
    0 2px 8px rgba(74, 38, 16, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}
.phone img { width: 100%; border-radius: 38px; }
.phone-notch {
  position: absolute;
  z-index: 2;
  top: 17px;
  left: 50%;
  width: 86px;
  height: 22px;
  margin-left: -43px;
  border-radius: 999px;
  background: #1d1511;
}
.phone-hero {
  width: 300px;
  margin-top: 24px;
  transform: rotate(-1.6deg);
}
.float-card {
  position: absolute;
  z-index: 3;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 252, 248, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: 0 26px 54px -26px rgba(94, 52, 25, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px) saturate(165%);
  -webkit-backdrop-filter: blur(16px) saturate(165%);
  animation: bob 7.5s ease-in-out infinite;
}
.float-card .float-sub {
  margin-top: 9px;
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--ink-3);
}
.float-progress { left: -18px; top: 92px; width: 184px; animation-delay: -1.2s; }
.float-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
}
.float-head strong {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}
.mini-bar {
  height: 5px;
  margin-top: 9px;
  border-radius: 3px;
  background: rgba(43, 33, 25, 0.08);
  overflow: hidden;
}
.mini-bar i {
  display: block;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #f47b43, var(--primary));
}
.float-sign { right: -18px; top: 344px; width: 192px; animation-delay: -3.4s; }
.float-label {
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
.sign-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
}
.avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 10.5px;
  font-weight: 700;
  color: #fff;
  border: 1.5px solid rgba(255, 252, 248, 0.9);
}
.avatar.a1 { background: #e4551a; }
.avatar.a2 { background: #1e9a5b; margin-left: -8px; }
.avatar.a3 { background: #6b5648; margin-left: -8px; }
.sign-check {
  margin-left: auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--green-soft);
  color: var(--green);
}
.sign-check svg { width: 15px; height: 15px; }
.float-settle {
  left: -18px;
  bottom: 54px;
  width: 252px;
  display: flex;
  gap: 11px;
  align-items: center;
  animation-delay: -5.2s;
}
.settle-icon {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--green-soft);
  color: var(--green);
}
.settle-icon svg { width: 21px; height: 21px; }
.float-settle strong {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink);
}
.float-settle span {
  display: block;
  margin-top: 3px;
  font-size: 10.5px;
  color: var(--ink-3);
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

.hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  background: var(--line);
}
.hero-stats .stat {
  background: rgba(255, 253, 250, 0.78);
  padding: 22px 26px;
}
.stat strong {
  display: block;
  font-size: 29px;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--ink);
}
.stat strong em {
  font-style: normal;
  margin-left: 3px;
  font-size: 12.5px;
  font-weight: 650;
  letter-spacing: 0.02em;
  color: var(--primary-deep);
}
.stat > span {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink-3);
}

/* ── section basics ─────────────────────────────────────── */
.section { position: relative; padding: 108px 0; }
.section-head { max-width: 820px; margin-bottom: 54px; }
.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--primary-deep);
}
.kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}
.section h2 {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.04em;
}
.section-lead {
  margin-top: 20px;
  max-width: 48em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink-2);
}
.br-m { display: none; }

/* ── problems ───────────────────────────────────────────── */
.problems {
  background: linear-gradient(180deg, var(--paper) 0%, #f4ede6 52%, var(--paper) 100%);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.problem-card {
  position: relative;
  overflow: hidden;
  padding: 34px 30px 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 253, 250, 0.74);
  transition: transform 0.4s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.4s var(--ease), background-color 0.3s;
}
.problem-card:hover {
  transform: translateY(-5px);
  border-color: rgba(235, 92, 32, 0.28);
  background: rgba(255, 253, 250, 0.96);
  box-shadow: var(--shadow-lg);
}
.quote-mark {
  position: absolute;
  top: 4px;
  right: 22px;
  font-family: var(--font-serif);
  font-size: 96px;
  line-height: 1;
  color: rgba(235, 92, 32, 0.12);
  pointer-events: none;
}
.problem-card h3 {
  position: relative;
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -0.01em;
}
.problem-card p {
  position: relative;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-2);
}
.problem-tag {
  display: inline-block;
  margin-top: 22px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(43, 33, 25, 0.055);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}
.problem-closing {
  margin-top: 46px;
  text-align: center;
  font-size: clamp(18px, 2.2vw, 23px);
  letter-spacing: -0.01em;
  color: var(--ink-2);
}
.problem-closing strong {
  color: var(--primary-deep);
  font-weight: 750;
}

/* ── capability ─────────────────────────────────────────── */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
}
.cap-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 420px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 250, 0.78);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.4s var(--ease),
    transform 0.4s var(--ease);
}
.cap-card:hover {
  border-color: rgba(235, 92, 32, 0.24);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.cap-wide { grid-column: span 7; flex-direction: row; gap: 26px; align-items: stretch; }
.cap-tall { grid-column: span 5; }
.cap-gate { grid-column: span 5; }
.cap-ledger { grid-column: span 7; }
.cap-card:nth-last-child(2), .cap-card:last-child { grid-column: span 6; }
.cap-copy { position: relative; z-index: 2; }
.cap-wide .cap-copy {
  width: 45%;
  flex: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.cap-wide .cap-list { margin-top: 22px; }
.cap-index {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--primary-deep);
}
.cap-card h3 {
  margin: 15px 0 12px;
  font-size: 23px;
  font-weight: 760;
  line-height: 1.38;
  letter-spacing: -0.025em;
}
.cap-card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-2);
}
.cap-card p.cap-note {
  margin-top: 12px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-3);
}
.cap-list {
  margin-top: auto;
  padding-top: 22px;
  display: grid;
  gap: 9px;
}
.cap-list li {
  position: relative;
  padding-left: 17px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-2);
}
.cap-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(235, 92, 32, 0.12);
}
.cap-media {
  position: relative;
  flex: 1;
  min-height: 250px;
  border-radius: 20px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(235, 92, 32, 0.13), rgba(235, 92, 32, 0) 70%),
    linear-gradient(180deg, #f7efe7, #fbf7f2);
  display: flex;
  justify-content: center;
  align-items: flex-end;
}
.cap-wide .cap-media {
  height: 470px;
  min-height: 0;
  flex: none;
  align-self: flex-end;
  margin: -10px -12px -34px 0;
}
.shot {
  overflow: hidden;
  border-radius: 26px 26px 0 0;
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 30px 60px -32px rgba(94, 52, 25, 0.55), 0 0 0 1px rgba(35, 26, 19, 0.05);
  background: #fff;
}
.shot-phone { width: 82%; max-width: 300px; height: 100%; }
.shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.cap-wide .shot-phone { width: 248px; height: 100%; }

/* signature panel (card 02) */
.sign-panel {
  margin-top: 24px;
  padding: 18px 20px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fffdfa, #fbf5ee);
  box-shadow: 0 20px 44px -34px rgba(94, 52, 25, 0.55);
}
.sign-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.sign-panel-head strong {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
}
.sign-panel-badge {
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 10px;
  font-weight: 700;
}
.sign-line {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(35, 26, 19, 0.09);
}
.sign-line:nth-of-type(4) { border-bottom: 0; }
.sign-who { width: 82px; flex: none; }
.sign-who strong { display: block; font-size: 12px; font-weight: 700; }
.sign-who span { display: block; margin-top: 1px; font-size: 9.5px; color: var(--ink-3); }
.sign-line img {
  flex: 1;
  min-width: 0;
  height: 34px;
  object-fit: contain;
  object-position: center;
  mix-blend-mode: multiply;
  opacity: 0.88;
}
.sign-ok {
  flex: none;
  font-size: 10px;
  font-weight: 650;
  color: var(--green);
}
.sign-panel-foot {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-top: 12px;
  font-size: 10.5px;
  color: var(--ink-3);
}
.sign-panel-foot svg { width: 14px; height: 14px; color: var(--primary); }

/* gate visual */
.gate-visual {
  position: relative;
  margin-top: auto;
  padding-top: 28px;
}
.gate-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 11px 14px;
  border-radius: 15px;
  background: rgba(255, 253, 250, 0.66);
  border: 1px solid rgba(35, 26, 19, 0.06);
  margin-bottom: 8px;
}
.gate-row:last-child { margin-bottom: 0; }
.gate-row.active {
  background: rgba(253, 235, 228, 0.72);
  border-color: rgba(235, 92, 32, 0.26);
}
.gate-row.locked { opacity: 0.66; }
.gate-dot {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--green-soft);
  color: var(--green);
}
.gate-dot svg { width: 16px; height: 16px; }
.gate-row.active .gate-dot { background: #fff; border: 2px solid var(--primary); }
.gate-row.active .gate-dot i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(235, 92, 32, 0.16);
}
.gate-dot.lock { background: rgba(43, 33, 25, 0.06); color: var(--ink-3); }
.gate-dot.lock svg { width: 15px; height: 15px; }
.gate-info { min-width: 0; }
.gate-info strong { display: block; font-size: 13.5px; font-weight: 700; }
.gate-info span { display: block; margin-top: 1px; font-size: 10.5px; color: var(--ink-3); }
.gate-badge {
  margin-left: auto;
  flex: none;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 650;
  background: rgba(43, 33, 25, 0.06);
  color: var(--ink-3);
}
.gate-badge.green { background: var(--green-soft); color: var(--green); }
.gate-badge.orange { background: rgba(235, 92, 32, 0.12); color: var(--primary-deep); }
.gate-badge.muted { background: rgba(43, 33, 25, 0.06); }

/* visit visual */
.visit-visual {
  position: relative;
  margin-top: auto;
  padding-top: 30px;
}
.map-card {
  position: relative;
  height: 172px;
  border-radius: 18px;
  overflow: hidden;
  background: #f6f0e9;
  border: 1px solid rgba(35, 26, 19, 0.07);
}
.map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(35, 26, 19, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 26, 19, 0.055) 1px, transparent 1px);
  background-size: 34px 34px;
  transform: rotate(-4deg) scale(1.18);
}
.map-grid::after {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  top: 52%;
  height: 22px;
  background: rgba(255, 253, 250, 0.9);
  transform: rotate(8deg);
}
.map-route {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.pin {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3.5px solid var(--primary);
  box-shadow: 0 0 0 5px rgba(235, 92, 32, 0.16);
}
.pin-a { left: 9%; top: 74%; }
.pin-b { left: 38%; top: 36%; }
.pin-c { right: 7%; top: 15%; }
.map-tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(255, 253, 250, 0.92);
  font-size: 10.5px;
  font-weight: 650;
  color: var(--ink-2);
  box-shadow: 0 6px 14px -8px rgba(94, 52, 25, 0.5);
}
.visit-check {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  margin: -22px 14px 0;
  padding: 13px 15px;
  border-radius: 15px;
  background: rgba(255, 253, 250, 0.95);
  border: 1px solid rgba(35, 26, 19, 0.07);
  box-shadow: 0 18px 36px -22px rgba(94, 52, 25, 0.5);
}
.visit-ic {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary-deep);
}
.visit-ic svg { width: 18px; height: 18px; }
.visit-check strong { display: block; font-size: 12px; font-weight: 700; }
.visit-check span { display: block; margin-top: 1px; font-size: 10.5px; color: var(--ink-3); }
.visit-check .ok-dot {
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(30, 154, 91, 0.14);
}

/* lock visual */
.lock-visual {
  margin-top: auto;
  padding-top: 30px;
}
.lock-card {
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, #fffdfa, #f8f1e9);
  border: 1px solid rgba(35, 26, 19, 0.07);
  box-shadow: 0 22px 44px -30px rgba(94, 52, 25, 0.55);
}
.lock-top { display: flex; align-items: center; gap: 11px; }
.lock-ic {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: #f7efe7;
}
.lock-ic svg { width: 19px; height: 19px; }
.lock-top strong { display: block; font-size: 12.5px; font-weight: 700; }
.lock-top span { display: block; margin-top: 1px; font-size: 10.5px; color: var(--ink-3); }
.lock-badge {
  margin-left: auto;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 10px;
  font-weight: 650;
}
.lock-code {
  display: flex;
  gap: 9px;
  margin: 17px 0 14px;
}
.lock-code i {
  width: 26px;
  height: 32px;
  border-radius: 8px;
  background: rgba(43, 33, 25, 0.06);
  position: relative;
}
.lock-code i::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: var(--ink-2);
}
.audit-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 10.5px;
  color: var(--ink-3);
}
.audit-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
}

/* ── flow ───────────────────────────────────────────────── */
.flow { background: linear-gradient(180deg, var(--paper), #f7f1ea 40%, var(--paper)); }
.flow-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.flow-list::before {
  content: "";
  position: absolute;
  top: 27px;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, rgba(235, 92, 32, 0.45), rgba(235, 92, 32, 0.16) 72%, rgba(235, 92, 32, 0.04));
}
.flow-step { position: relative; padding-top: 72px; }
.flow-num {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--paper);
  border: 1px solid rgba(235, 92, 32, 0.34);
  color: var(--primary-deep);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}
.flow-step:last-child .flow-num {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 12px 26px -12px rgba(196, 71, 16, 0.75);
}
.flow-body h3 {
  font-size: 17.5px;
  font-weight: 750;
  letter-spacing: -0.02em;
}
.flow-body p {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-2);
}
.flow-meta {
  display: inline-block;
  margin-top: 12px;
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--ink-3);
}
.flow-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 900px;
  margin: 46px auto 0;
  padding: 20px 24px;
  border-radius: 18px;
  background: rgba(235, 92, 32, 0.065);
  border: 1px solid rgba(235, 92, 32, 0.18);
}
.flow-note-ic {
  flex: none;
  width: 26px;
  height: 26px;
  color: var(--primary-deep);
}
.flow-note-ic svg { width: 100%; height: 100%; }
.flow-note p {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-2);
}
.flow-note strong { color: var(--primary-deep); font-weight: 750; }

/* ── roles ──────────────────────────────────────────────── */
.role-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.role-card {
  padding: 28px 24px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 250, 0.74);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
    border-color 0.3s var(--ease);
}
.role-card:hover {
  transform: translateY(-5px);
  border-color: rgba(235, 92, 32, 0.24);
  box-shadow: var(--shadow-lg);
}
.role-top {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.role-avatar {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary-deep);
  font-size: 17px;
  font-weight: 750;
}
.role-card h3 { font-size: 18px; font-weight: 750; letter-spacing: -0.02em; }
.role-top div > span {
  display: block;
  margin-top: 2px;
  font-size: 10.5px;
  color: var(--ink-3);
}
.role-foreman .role-avatar { background: var(--gold-soft); color: var(--gold); }
.role-supervisor .role-avatar { background: var(--green-soft); color: var(--green); }
.role-admin .role-avatar { background: rgba(35, 26, 19, 0.08); color: var(--ink); }
.role-card ul {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}
.role-card li {
  position: relative;
  padding-left: 15px;
  font-size: 13px;
  line-height: 1.7;
  color: #4f4034;
}
.role-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(35, 26, 19, 0.24);
}

/* ── trust ──────────────────────────────────────────────── */
.trust {
  overflow: hidden;
  background: var(--ink);
  color: #f7efe7;
  padding: 104px 0;
}
.trust::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 44% 52% at 12% 18%, rgba(235, 92, 32, 0.2) 0%, rgba(235, 92, 32, 0) 66%),
    radial-gradient(ellipse 40% 50% at 92% 84%, rgba(235, 92, 32, 0.12) 0%, rgba(235, 92, 32, 0) 70%),
    radial-gradient(circle, rgba(247, 239, 231, 0.06) 1px, transparent 1.2px);
  background-size: auto, auto, 34px 34px;
  opacity: 0.9;
}
.trust-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.kicker-light { color: #ff9a66; }
.trust h2 {
  color: #fff8f1;
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 780;
  line-height: 1.24;
  letter-spacing: -0.035em;
}
.trust .section-lead {
  margin-top: 22px;
  color: rgba(247, 239, 231, 0.74);
  font-size: 14.5px;
  line-height: 1.95;
}
.trust-foot {
  margin-top: 26px;
  padding-left: 15px;
  border-left: 2px solid rgba(235, 92, 32, 0.6);
  font-size: 12px;
  line-height: 1.8;
  color: rgba(247, 239, 231, 0.62);
}
.trust-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.trust-item {
  padding: 24px 22px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
  transition: background-color 0.3s, border-color 0.3s, transform 0.35s var(--ease);
}
.trust-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 154, 102, 0.28);
  transform: translateY(-3px);
}
.trust-ic {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: rgba(235, 92, 32, 0.16);
  color: #ff9a66;
}
.trust-ic svg { width: 21px; height: 21px; }
.trust-item h3 {
  margin-top: 16px;
  font-size: 15px;
  font-weight: 700;
  color: #fff8f1;
}
.trust-item p {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.8;
  color: rgba(247, 239, 231, 0.64);
}

/* ── faq ────────────────────────────────────────────────── */
.faq-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 64px;
  align-items: start;
}
.faq-head { position: sticky; top: 112px; }
.faq-list { display: grid; gap: 12px; }
.faq-list details {
  padding: 0 24px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 250, 0.72);
  transition: border-color 0.3s, background-color 0.3s;
}
.faq-list details[open] {
  background: rgba(255, 253, 250, 0.95);
  border-color: rgba(235, 92, 32, 0.24);
}
.faq-list summary {
  position: relative;
  padding: 22px 42px 22px 0;
  font-size: 15.5px;
  font-weight: 650;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 23px;
  font-weight: 300;
  line-height: 1;
  color: var(--primary);
  transition: transform 0.3s var(--ease);
}
.faq-list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-body {
  padding: 2px 0 24px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.faq-body p {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--ink-2);
}

/* ── download ───────────────────────────────────────────── */
.download { padding: 20px 0 100px; }
.download-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 30px;
  min-height: 372px;
  padding: 60px 64px;
  border-radius: 34px;
  background: linear-gradient(135deg, #f26b2e 0%, #eb5c20 46%, #d24e13 100%);
  color: #fff;
  box-shadow: 0 56px 110px -56px rgba(196, 71, 16, 0.8);
}
.download-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 46% 60% at 84% 20%, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0) 62%),
    radial-gradient(ellipse 40% 50% at 6% 100%, rgba(90, 30, 0, 0.24) 0%, rgba(90, 30, 0, 0) 66%);
}
.download-copy { position: relative; z-index: 2; }
.download .kicker { color: rgba(255, 255, 255, 0.86); }
.download h2 {
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.04em;
}
.download-copy > p:not(.kicker) {
  margin-top: 18px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.86);
}
.download-cta { margin-top: 32px; }
.wechat-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 23px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: #2b1b12;
  font-size: 14.5px;
  font-weight: 750;
  cursor: pointer;
  box-shadow: 0 18px 34px -16px rgba(80, 24, 0, 0.55);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.wechat-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 40px -16px rgba(80, 24, 0, 0.6);
}
.wechat-pill:active { transform: none; }
.wechat-pill svg { width: 20px; height: 20px; color: var(--primary); }
.download-sub {
  display: block;
  margin-top: 14px;
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.84);
  letter-spacing: 0.02em;
}
.download-art { position: relative; z-index: 1; }
.dl-phone {
  position: absolute;
  right: 44px;
  top: -24px;
  width: 250px;
  border-radius: 34px;
  border: 8px solid #2a1b13;
  overflow: hidden;
  transform: rotate(3deg);
  box-shadow: 0 46px 80px -34px rgba(60, 20, 0, 0.7);
  background: #2a1b13;
  -webkit-mask-image: linear-gradient(180deg, #000 46%, rgba(0, 0, 0, 0) 70%);
  mask-image: linear-gradient(180deg, #000 46%, rgba(0, 0, 0, 0) 70%);
}
.dl-phone img { border-radius: 27px; }
.dl-tag {
  position: absolute;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 253, 250, 0.94);
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 14px 28px -14px rgba(60, 20, 0, 0.6);
}
.dl-tag-1 { right: 8px; top: 96px; transform: rotate(-7deg); }
.dl-tag-2 { left: 22px; bottom: 12px; transform: rotate(-4deg); }

/* ── toast ──────────────────────────────────────────────── */
.site-toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 200;
  padding: 12px 20px;
  border-radius: 999px;
  background: rgba(35, 26, 19, 0.95);
  color: #fff8f1;
  font-size: 13px;
  letter-spacing: 0.01em;
  box-shadow: 0 20px 44px -20px rgba(35, 26, 19, 0.65);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 12px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease),
    visibility 0.25s;
  pointer-events: none;
}
.site-toast.is-show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

/* ── footer ─────────────────────────────────────────────── */
.site-footer {
  padding: 56px 0 28px;
  background: var(--paper-2);
  border-top: 1px solid var(--line);
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
}
.footer-brand p {
  margin-top: 18px;
  max-width: 24em;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-3);
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-nav h4 {
  margin-bottom: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink-3);
}
.footer-nav a, .footer-nav span {
  display: block;
  padding: 4px 0;
  font-size: 12.5px;
  color: var(--ink-2);
}
.footer-nav a:hover { color: var(--primary-deep); }
.footer-bottom {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--ink-3);
}
.footer-legal {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.beian-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
.beian-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-3);
  transition: color 0.2s var(--ease);
}
.beian-link:hover { color: var(--primary-deep); }
.beian-link img {
  width: 18px;
  height: 18px;
  flex: none;
  object-fit: contain;
  opacity: 0.92;
}

/* ── responsive ─────────────────────────────────────────── */
@media (max-width: 1080px) {
  .hero { padding-top: 118px; }
  .hero-grid { grid-template-columns: 1fr; gap: 18px; }
  .hero-copy { max-width: 720px; }
  .hero-stage { height: 656px; margin-top: -16px; }
  .hero-ring { width: 480px; height: 480px; margin-left: -240px; }
  .phone-hero { width: 286px; }
  .float-progress { left: calc(50% - 338px); top: 118px; }
  .float-sign { right: calc(50% - 338px); top: 340px; }
  .float-settle { left: calc(50% - 338px); bottom: 58px; }

  .cap-card { min-height: 400px; }
  .cap-wide { grid-column: span 12; }
  .cap-tall { grid-column: span 6; }
  .cap-gate { grid-column: span 6; }
  .cap-ledger { grid-column: span 12; }
  .cap-card:nth-last-child(2), .cap-card:last-child { grid-column: span 6; }

  .flow-list { grid-template-columns: repeat(3, 1fr); gap: 30px 22px; }
  .flow-list::before { display: none; }
  .flow-step { padding-top: 66px; }

  .role-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: 1fr; gap: 40px; }
  .trust-copy { max-width: 680px; }
  .faq-grid { grid-template-columns: 1fr; gap: 34px; }
  .faq-head { position: static; }
  .download-card { padding: 48px 48px; }
  .dl-phone { right: 0; width: 220px; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 980px) {
  .site-nav {
    position: fixed;
    top: 86px;
    left: 20px;
    right: 20px;
    z-index: 79;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 14px;
    border-radius: 20px;
    background: rgba(255, 253, 250, 0.97);
    border: 1px solid var(--line);
    box-shadow: 0 30px 60px -30px rgba(94, 52, 25, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .site-nav a {
    padding: 13px 14px;
    border-radius: 12px;
    font-size: 15px;
  }
  .site-nav a:hover { background: rgba(235, 92, 32, 0.07); }
  .site-nav a::after { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 760px) {
  .shell { padding-left: 20px; padding-right: 20px; }
  .header-inner { height: 68px; gap: 14px; }
  .brand-text em { display: none; }
  .brand-text strong { font-size: 16.5px; }
  .brand-mark { width: 34px; height: 34px; border-radius: 10px; }
  .header-cta { display: none; }
  .site-nav { top: 78px; }

  .hero { padding-top: 104px; }
  .hero h1 { font-size: clamp(34px, 9.2vw, 46px); letter-spacing: -0.04em; }
  .hero-lead { font-size: 14.5px; line-height: 1.85; }
  .hero-cta .btn { flex: 1 1 auto; padding: 14px 20px; font-size: 14px; }
  .hero-stage { height: 664px; margin-top: 0; }
  .hero-ring { width: 390px; height: 390px; margin-left: -195px; top: 66px; }
  .phone-hero { width: 250px; margin-top: 24px; }
  .float-card { animation: none; }
  .float-progress { display: none; }
  .float-sign { display: none; }
  .float-settle {
    left: 0;
    right: 0;
    bottom: 0;
    width: auto;
    max-width: 300px;
    margin: 0 auto;
    padding: 16px 18px;
  }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stats .stat { padding: 18px 18px; }
  .stat strong { font-size: 24px; }

  .section { padding: 72px 0; }
  .section-head { margin-bottom: 36px; }
  .section h2 { font-size: clamp(27px, 7.6vw, 36px); }
  .section-lead { font-size: 14px; margin-top: 16px; }
  .br-m { display: inline; }

  .problem-grid { grid-template-columns: 1fr; }
  .problem-card { padding: 28px 24px 26px; }
  .problem-card h3 { font-size: 23px; }
  .problem-closing { margin-top: 32px; text-align: left; }

  .cap-grid { gap: 16px; }
  .cap-card, .cap-wide, .cap-tall, .cap-gate, .cap-ledger,
  .cap-card:nth-last-child(2), .cap-card:last-child {
    grid-column: span 12;
    min-height: 0;
    padding: 26px 24px;
  }
  .cap-wide { flex-direction: column; }
  .cap-wide .cap-copy { width: 100%; }
  .cap-card h3 { font-size: 21px; }
  .cap-wide .cap-media {
    align-self: stretch;
    margin: 24px -10px -26px;
    height: 300px;
    min-height: 0;
  }
  .cap-wide .shot-phone { width: 74%; height: 100%; }
  .shot img { height: 100%; }
  .cap-list { padding-top: 18px; }

  .flow-list { grid-template-columns: 1fr; gap: 28px; }
  .flow-step { padding-top: 0; padding-left: 68px; }
  .flow-num { width: 48px; height: 48px; font-size: 12px; }
  .flow-body p { font-size: 12.5px; }
  .flow-note { margin-top: 32px; padding: 18px; }

  .role-grid { grid-template-columns: 1fr; gap: 14px; }
  .role-card { padding: 24px 22px; }

  .trust { padding: 72px 0; }
  .trust-list { grid-template-columns: 1fr; gap: 12px; }
  .trust-item { padding: 22px 20px; }

  .download { padding: 8px 0 72px; }
  .download-card {
    grid-template-columns: 1fr;
    padding: 38px 26px;
    min-height: 0;
    border-radius: 26px;
  }
  .download-art { display: none; }
  .wechat-pill { font-size: 13.5px; padding: 13px 20px; }

  .faq-list details { padding: 0 18px; }
  .faq-list summary { font-size: 14.5px; padding: 18px 36px 18px 0; }

  .site-footer { padding: 44px 0 24px; }
  .footer-nav { grid-template-columns: 1fr 1fr; gap: 22px; }
  .footer-bottom { flex-direction: column; gap: 6px; margin-top: 32px; }
}

@media (max-width: 420px) {
  .hero-stage { height: 624px; }
  .phone-hero { width: 228px; }
  .hero-stats .stat { padding: 16px 14px; }
  .stat > span { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}