/* ============================================
   某某公司 — Industrial Poetry
   Design tokens + full layout
   ============================================ */

:root {
  --ink: #0A0A0A;
  --paper: #F2EEE5;
  --paper-2: #E8E2D3;
  --rust: #C2410C;
  --rust-2: #9A330A;
  --signal: #0E7490;
  --mute: #78716C;
  --mute-2: #A8A29E;
  --line: rgba(10, 10, 10, 0.18);
  --line-strong: rgba(10, 10, 10, 0.55);
  --reverse: #0A0A0A;
  --reverse-paper: #F2EEE5;

  --font-display: 'Fraunces', 'Noto Serif SC', serif;
  --font-body: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --container: 1440px;
  --gutter: clamp(20px, 4vw, 56px);
  --section-pad: clamp(80px, 12vw, 160px);
  --section-pad-mobile: 80px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========== Reset ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  cursor: none; /* desktop cursor custom */
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; padding: 0; cursor: none; }
input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; cursor: none; }
em { font-style: italic; }
ol, ul { list-style: none; margin: 0; padding: 0; }
table { border-collapse: collapse; }

::selection { background: var(--ink); color: var(--paper); }

/* ========== Typography utilities ========== */
.mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-feature-settings: 'tnum' 1, 'ss01' 1;
}

/* ========== Loader ========== */
.loader {
  position: fixed; inset: 0;
  background: var(--ink);
  color: var(--paper);
  z-index: 9999;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 32px;
  transition: opacity 600ms var(--ease), visibility 600ms;
}
.loader.is-out { opacity: 0; visibility: hidden; }
.loader__top, .loader__meta {
  display: flex; justify-content: space-between; color: var(--mute-2);
}
.loader__bar {
  position: relative; height: 1px; background: var(--mute-2); align-self: center; width: 100%;
}
.loader__bar > span {
  display: block; position: absolute; inset: 0; background: var(--rust);
  transform-origin: left; transform: scaleX(0);
  transition: transform 200ms linear;
}

/* ========== Brand reveal ========== */
.brand-reveal {
  position: fixed; inset: 0;
  z-index: 9998;
  pointer-events: none;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 400ms var(--ease);
}
.brand-reveal.is-on { opacity: 1; visibility: visible; }
.brand-reveal__mask {
  overflow: hidden;
  display: inline-block;
}
.brand-reveal__text {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(80px, 18vw, 280px);
  font-weight: 400;
  letter-spacing: -0.04em;
  color: var(--ink);
  transform: translateY(110%);
  transition: transform 700ms var(--ease);
}
.brand-reveal.is-on .brand-reveal__text { transform: translateY(0); }
.brand-reveal__text sup { font-size: 0.25em; vertical-align: super; font-weight: 400; }

/* ========== Read progress ========== */
.read-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  background: var(--ink); transform-origin: left; transform: scaleX(0);
  z-index: 100;
  transition: transform 80ms linear;
}

/* ========== Header ========== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 90;
  padding: 18px var(--gutter);
  pointer-events: none; /* let underlying pass, but children capture */
  transition: background 300ms, border-color 300ms;
}
.site-header > * { pointer-events: auto; }
.header__inner {
  max-width: var(--container); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  border-top: 1px solid transparent;
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand__mark {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--ink); color: var(--paper);
  padding: 6px 8px;
  letter-spacing: 0.05em;
}
.brand__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.brand__name em { font-style: normal; opacity: 0.4; padding: 0 2px; }

.nav { display: flex; }
.nav__list { display: flex; gap: 28px; }
.nav__list a {
  display: inline-flex; align-items: baseline; gap: 6px;
  font-size: 14px;
  padding: 4px 0;
  position: relative;
  transition: color 200ms;
}
.nav__list a .mono { font-size: 10px; opacity: 0.6; }
.nav__list a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: right;
  transition: transform 300ms var(--ease);
}
.nav__list a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__list a.is-active { color: var(--rust); }
.nav__list a.is-active::after { background: var(--rust); }

.menu-btn { display: none; width: 36px; height: 36px; position: relative; }
.menu-btn span {
  position: absolute; left: 6px; right: 6px; height: 1px; background: var(--ink);
  transition: transform 300ms;
}
.menu-btn span:nth-child(1) { top: 14px; }
.menu-btn span:nth-child(2) { top: 20px; }
.menu-btn.is-open span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.menu-btn.is-open span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

/* ========== Mobile menu ========== */
.mobile-menu {
  position: fixed; inset: 0; background: var(--paper); z-index: 80;
  display: flex; flex-direction: column; justify-content: center; padding: 80px var(--gutter);
  transform: translateY(-100%); transition: transform 500ms var(--ease);
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu a {
  display: block;
  font-family: var(--font-display);
  font-size: 40px; line-height: 1.2;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.mobile-menu a .mono { display: inline-block; margin-right: 12px; font-size: 12px; opacity: 0.5; }

/* ========== Buttons ========== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 22px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid var(--ink);
  background: var(--paper); color: var(--ink);
  transition: background 250ms, color 250ms, transform 250ms;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn--ink { background: var(--ink); color: var(--paper); }
.btn--ink:hover { background: var(--rust); border-color: var(--rust); }
.btn--ghost { border-color: var(--line-strong); background: transparent; }
.btn--ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--paper { background: var(--paper); color: var(--ink); }
.btn--paper:hover { background: var(--ink); color: var(--paper); }
.btn--block { display: flex; width: 100%; justify-content: space-between; }

/* ========== Section head (shared) ========== */
.section-head {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: end;
  gap: 24px;
  padding: 0 var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 32px;
  margin-bottom: 56px;
  position: relative;
}
.section-head__no { font-size: 11px; opacity: 0.6; align-self: start; padding-top: 16px; }
.section-head__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 88px);
  line-height: 0.95;
  font-weight: 400;
  letter-spacing: -0.03em;
  margin: 0;
}
.section-head__title span { display: block; }
.section-head__title em { font-style: italic; color: var(--rust); }
.section-head__count, .section-head__hint, .section-head__more {
  font-size: 11px; opacity: 0.7; align-self: end;
}
.section-head__more { color: var(--ink); }
.section-head--light { border-color: var(--reverse-paper); }
.section-head--light .section-head__no { color: var(--reverse-paper); opacity: 0.5; }
.section-head--light .section-head__title { color: var(--reverse-paper); }
.section-head--light .section-head__more { color: var(--reverse-paper); }

/* ========== S1: Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px var(--gutter) 80px;
  display: flex; flex-direction: column; justify-content: center;
  max-width: var(--container);
  margin: 0 auto;
  overflow: hidden;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  mask-image: radial-gradient(circle at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black 30%, transparent 80%);
}
.hero__top {
  display: flex; gap: 16px;
  position: relative;
  margin-bottom: 80px;
}
.badge {
  display: inline-flex; gap: 6px; align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.hero__title {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(56px, 11vw, 180px);
  line-height: 0.9;
  font-weight: 400;
  letter-spacing: -0.04em;
  margin: 0;
}
.hero__title .line {
  display: block;
  opacity: 0; transform: translateY(40px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.hero.is-ready .line-1 { opacity: 1; transform: none; transition-delay: 0ms; }
.hero.is-ready .line-2 { opacity: 1; transform: none; transition-delay: 80ms; }
.hero.is-ready .line-3 { opacity: 1; transform: none; transition-delay: 160ms; }
.hero.is-ready .line-4 { opacity: 1; transform: none; transition-delay: 240ms; }
.hero__title em { font-style: italic; color: var(--rust); }

.hero__sub {
  position: relative;
  max-width: 560px;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.5;
  margin: 40px 0 48px;
  color: var(--ink);
  opacity: 0; transform: translateY(20px);
  transition: opacity 700ms, transform 700ms; transition-delay: 400ms;
}
.hero.is-ready .hero__sub { opacity: 1; transform: none; }
.hero__sub br { display: block; content: ''; margin-top: 0.4em; }

.hero__actions {
  position: relative;
  display: flex; gap: 16px; flex-wrap: wrap;
  opacity: 0; transform: translateY(20px);
  transition: opacity 700ms, transform 700ms; transition-delay: 500ms;
}
.hero.is-ready .hero__actions { opacity: 1; transform: none; }

.hero__meta {
  position: relative;
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 80px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  opacity: 0; transform: translateY(20px);
  transition: opacity 700ms, transform 700ms; transition-delay: 600ms;
}
.hero.is-ready .hero__meta { opacity: 1; transform: none; }

/* ========== S2: Pain ========== */
.pain {
  padding: var(--section-pad) 0;
  background: var(--paper);
}
.pain__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 70vw;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0 var(--gutter) 32px;
  scroll-padding-left: var(--gutter);
}
.pain__track::-webkit-scrollbar { height: 4px; }
.pain__track::-webkit-scrollbar-track { background: transparent; }
.pain__track::-webkit-scrollbar-thumb { background: var(--line-strong); }
.pain__card {
  scroll-snap-align: start;
  position: relative;
  padding: 40px 32px;
  border: 1px solid var(--ink);
  background: var(--paper);
  display: flex; flex-direction: column; gap: 20px;
  min-height: 480px;
  transition: background 250ms, color 250ms;
}
.pain__card:hover { background: var(--ink); color: var(--paper); }
.pain__card:hover .pain__bar > span { background: var(--rust); }
.pain__num {
  position: absolute; top: 20px; right: 24px;
  font-size: 80px; line-height: 1;
  color: var(--line-strong);
  font-weight: 300;
  letter-spacing: -0.04em;
}
.pain__card:hover .pain__num { color: var(--mute-2); }
.pain__role { font-size: 10px; opacity: 0.6; }
.pain__quote {
  font-family: var(--font-display);
  font-size: 30px; line-height: 1.15;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0;
}
.pain__quote em { font-style: italic; color: var(--rust); }
.pain__card:hover .pain__quote em { color: #FB923C; }
.pain__desc { font-size: 14px; line-height: 1.6; opacity: 0.8; margin: 0; }
.pain__bar {
  height: 2px; background: var(--line);
  position: relative; margin-top: auto;
}
.pain__bar > span {
  position: absolute; inset: 0;
  width: var(--p, 0%);
  background: var(--ink);
  transition: width 800ms var(--ease-out);
}
.pain__metric { font-size: 10px; opacity: 0.6; }

/* ========== S3: Caps ========== */
.caps {
  padding: var(--section-pad) 0;
  background: var(--paper);
  border-top: 1px solid var(--ink);
}
.caps__grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.cap {
  position: relative;
  padding: 48px 32px;
  border-left: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 16px;
  overflow: hidden;
  min-height: 480px;
}
.cap:first-child { border-left: none; }
.cap::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--rust);
  transform: scaleX(0); transform-origin: left;
  transition: transform 500ms var(--ease);
}
.cap:hover::after { transform: scaleX(1); }
.cap__no { font-size: 11px; opacity: 0.6; }
.cap__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 2.6vw, 40px);
  line-height: 1.05;
  font-weight: 400;
  letter-spacing: -0.025em;
  margin: 0;
}
.cap__title em { font-style: italic; color: var(--rust); }
.cap__desc { font-size: 15px; line-height: 1.6; opacity: 0.8; max-width: 360px; }
.cap__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.tag {
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.05em;
}
.cap__link {
  display: inline-flex; gap: 6px; align-items: center;
  padding-top: 16px; border-top: 1px solid var(--line);
  font-size: 13px; align-self: flex-start;
  margin-top: 8px;
}
.cap__link svg { transition: transform 200ms; }
.cap__link:hover svg { transform: translateX(4px); }
.cap__link:hover { color: var(--rust); }

/* ========== S4: Design Demo ========== */
.design {
  padding: var(--section-pad) 0;
  background: var(--paper-2);
  border-top: 1px solid var(--ink);
}
.design__grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 220px 1fr 280px;
  gap: 32px;
  align-items: stretch;
}
.design__zones { display: flex; flex-direction: column; gap: 16px; }
.design__zones-label, .design__list-label { font-size: 10px; opacity: 0.6; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--ink);
  background: var(--paper);
  font-size: 13px;
  letter-spacing: 0.01em;
  transition: background 200ms, color 200ms, border-color 200ms;
}
.chip:hover { background: var(--ink); color: var(--paper); }
.chip.is-on { background: var(--ink); color: var(--paper); }
.chip.is-on::before { content: '✓ '; }
.chip--sm { padding: 6px 10px; font-size: 12px; }
.chips--small { gap: 6px; }

.design__selected { font-size: 10px; padding-top: 8px; border-top: 1px solid var(--line); }

.design__plan {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 0;
  position: relative;
  min-height: 400px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.floorplan { width: 100%; height: auto; color: var(--ink); }
.zone {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 1;
  transition: fill 250ms, opacity 250ms;
}
.zone:hover { fill: var(--paper-2); cursor: pointer; }
.zone.is-on { fill: var(--rust); fill-opacity: 0.18; }
.zone-labels text {
  font-family: var(--font-mono); font-size: 12px;
  fill: var(--ink); opacity: 0.6;
  pointer-events: none;
}
.zone.is-on + .zone-labels,
.zone.is-on ~ .zone-labels text { fill: var(--ink); opacity: 1; }

.points-layer circle {
  transition: r 200ms var(--ease), opacity 200ms;
}
.pt {
  fill: var(--rust);
  stroke: var(--paper);
  stroke-width: 2;
}
.pt-camera { fill: var(--rust); }
.pt-access { fill: var(--signal); }
.pt-ap { fill: var(--ink); }
.pt-broadcast { fill: #CA8A04; }
.pt-parking { fill: var(--rust); }

.design__list { display: flex; flex-direction: column; gap: 16px; }
.ptlist {
  display: flex; flex-direction: column; gap: 0;
  border: 1px solid var(--ink);
  background: var(--paper);
  flex: 1;
}
.ptlist__empty {
  padding: 32px 16px; text-align: center; font-size: 10px; opacity: 0.5;
}
.ptrow {
  display: grid; grid-template-columns: 24px 1fr auto;
  align-items: center; gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  transition: background 200ms;
}
.ptrow:last-child { border-bottom: none; }
.ptrow:hover { background: var(--paper-2); }
.ptrow__dot { width: 10px; height: 10px; border-radius: 50%; justify-self: center; }
.ptrow__name { font-weight: 500; }
.ptrow__count {
  font-family: var(--font-mono); font-size: 13px; color: var(--ink);
}
.ptrow__count strong { font-weight: 500; font-size: 18px; padding-right: 4px; }

/* ========== S5: Equipment Table ========== */
.equip {
  padding: var(--section-pad) 0;
  background: var(--paper);
  border-top: 1px solid var(--ink);
}
.equip__tabs {
  max-width: var(--container); margin: 0 auto 32px;
  padding: 0 var(--gutter);
  display: flex; gap: 0;
  border-bottom: 1px solid var(--line);
}
.tab {
  padding: 14px 22px;
  font-size: 14px;
  border: 1px solid var(--line);
  border-bottom: none;
  background: var(--paper);
  margin-right: -1px;
  transition: background 200ms, color 200ms;
}
.tab:hover { background: var(--paper-2); }
.tab.is-active { background: var(--ink); color: var(--paper); }
.equip__scroll {
  max-width: var(--container); margin: 0 auto;
  padding: 0 var(--gutter);
  overflow-x: auto;
}
.eqtable {
  width: 100%;
  min-width: 720px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.eqtable th, .eqtable td {
  padding: 16px 20px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.eqtable th {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 500; opacity: 0.7;
}
.eqtable__rec {
  position: relative;
  color: var(--rust);
  border-bottom: 2px solid var(--rust);
  background: rgba(194, 65, 12, 0.04);
}
.eqtable td.eqtable__rec {
  background: rgba(194, 65, 12, 0.04);
  border-bottom: 2px solid var(--rust);
  color: var(--rust);
  font-weight: 500;
}
.eqtable tr:last-child td { border-bottom: 1px solid var(--ink); }
.equip__note { max-width: var(--container); margin: 24px auto 0; padding: 0 var(--gutter); opacity: 0.5; font-size: 10px; }

/* ========== S6: Quote ========== */
.quote {
  padding: var(--section-pad) 0;
  background: var(--paper-2);
  border-top: 1px solid var(--ink);
}
.quote__grid {
  max-width: var(--container); margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: stretch;
}
.quote__inputs { display: flex; flex-direction: column; gap: 32px; }
.field { display: flex; flex-direction: column; gap: 12px; }
.field__label {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 11px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-strong);
}
.field__val {
  margin-left: auto;
  font-size: 28px; line-height: 1;
  color: var(--ink);
  text-transform: none;
  letter-spacing: -0.02em;
  font-weight: 400;
}
.field__unit { color: var(--mute); }

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 1px;
  background: var(--ink);
  outline: none;
  margin: 12px 0;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 24px; height: 24px;
  background: var(--rust);
  border: 2px solid var(--paper);
  border-radius: 50%;
  cursor: none;
  transition: transform 200ms;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.2); }
input[type="range"]::-moz-range-thumb {
  width: 24px; height: 24px;
  background: var(--rust);
  border: 2px solid var(--paper);
  border-radius: 50%;
  cursor: none;
}
.field__scale {
  display: flex; justify-content: space-between;
  font-size: 10px; opacity: 0.5;
}

.quote__out {
  background: var(--ink);
  color: var(--paper);
  padding: 40px;
  display: flex; flex-direction: column; gap: 32px;
}
.bars { display: flex; flex-direction: column; gap: 20px; }
.bar__head { display: flex; justify-content: space-between; font-size: 11px; opacity: 0.6; padding-bottom: 8px; }
.bar__val { font-size: 16px; opacity: 1; color: var(--paper); }
.bar__track { height: 8px; background: rgba(255,255,255,0.08); position: relative; }
.bar__track > span {
  display: block; position: absolute; inset: 0;
  background: var(--rust);
  width: var(--p, 0%);
  transition: width 600ms var(--ease);
}
.bar:nth-child(2) .bar__track > span { background: var(--signal); }
.bar:nth-child(3) .bar__track > span { background: #CA8A04; }

.quote__total {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 24px;
}
.quote__total-label { font-size: 10px; opacity: 0.6; padding-bottom: 8px; }
.quote__total-num {
  display: flex; align-items: baseline; gap: 8px;
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 80px);
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--paper);
}
.quote__total-num .currency { font-size: 0.5em; opacity: 0.6; }
.quote__total-meta { font-size: 10px; opacity: 0.6; padding-top: 12px; }

.quote .btn--ink { background: var(--rust); border-color: var(--rust); }
.quote .btn--ink:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }

/* ========== S7: Workflow ========== */
.work {
  padding: var(--section-pad) 0;
  background: var(--paper);
  border-top: 1px solid var(--ink);
}
.work__steps {
  max-width: var(--container); margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.work__steps::before {
  content: ''; position: absolute;
  left: var(--gutter); right: var(--gutter);
  top: 60px; height: 1px;
  background: repeating-linear-gradient(to right, var(--ink) 0 6px, transparent 6px 12px);
}
.step {
  position: relative;
  padding: 40px 24px 24px;
  display: flex; flex-direction: column; gap: 16px;
  border-left: 1px solid var(--line);
}
.step:first-child { border-left: none; }
.step::before {
  content: ''; position: absolute; top: 56px; left: 24px;
  width: 9px; height: 9px;
  background: var(--rust);
  border-radius: 50%;
}
.step__no { font-size: 10px; opacity: 0.6; padding-top: 8px; }
.step__icon { color: var(--ink); margin: 16px 0; }
.step__title {
  font-family: var(--font-display);
  font-size: 24px; line-height: 1.15;
  font-weight: 400; margin: 0;
  letter-spacing: -0.02em;
}
.step__desc { font-size: 13px; line-height: 1.5; opacity: 0.7; margin: 0; }

/* ========== S8: Numbers ========== */
.nums {
  padding: var(--section-pad) 0;
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid var(--ink);
}
.nums__grid {
  max-width: var(--container); margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.num {
  padding: 32px 24px;
  border-left: 1px solid rgba(255,255,255,0.2);
  display: flex; flex-direction: column; gap: 16px;
}
.num:first-child { border-left: none; }
.num__val {
  font-family: var(--font-display);
  font-size: clamp(72px, 9vw, 140px);
  line-height: 0.9;
  font-weight: 400;
  letter-spacing: -0.04em;
}
.num__label { font-size: 11px; opacity: 0.6; }
.num__line { display: block; height: 1px; background: var(--rust); width: 64px; margin-top: auto; }

/* ========== S9: Cases ========== */
.cases {
  padding: var(--section-pad) 0;
  background: var(--paper);
  border-top: 1px solid var(--ink);
}
.cases__list {
  max-width: var(--container); margin: 0 auto;
  padding: 0 var(--gutter);
}
.case {
  position: relative;
  display: grid;
  grid-template-columns: 80px 140px 60px 1fr 140px;
  align-items: center;
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  transition: padding 250ms, background 250ms;
}
.case:last-child { border-bottom: 1px solid var(--ink); }
.case:hover { background: var(--ink); color: var(--paper); padding-left: 16px; padding-right: 16px; }
.case__year { font-size: 12px; opacity: 0.7; }
.case__city { font-size: 12px; opacity: 0.7; }
.case__no {
  font-family: var(--font-display);
  font-size: 28px; line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 400;
  color: var(--mute);
}
.case:hover .case__no { color: var(--rust); }
.case__name {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 36px);
  line-height: 1.1;
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.02em;
}
.case__link {
  font-size: 11px;
  opacity: 0; transform: translateX(-8px);
  transition: opacity 250ms, transform 250ms;
}
.case:hover .case__link { opacity: 1; transform: translateX(0); color: var(--rust); }
.section-head__more { transition: opacity 200ms; }
.section-head__more:hover { opacity: 1; color: var(--rust); }

/* ========== S10: Contact ========== */
.contact {
  padding: var(--section-pad) 0;
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid var(--ink);
}
.contact__grid {
  max-width: var(--container); margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 64px;
}
.contact__info { display: flex; flex-direction: column; gap: 0; }
.contact__line {
  display: grid; grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  font-size: 14px;
  align-items: baseline;
}
.contact__line:first-child { border-top: 1px solid rgba(255,255,255,0.2); }
.contact__link { border-bottom: 1px solid currentColor; }
.contact__link:hover { color: var(--rust); border-color: var(--rust); }

.contact__form { display: flex; flex-direction: column; gap: 0; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.row__field {
  display: flex; flex-direction: column; gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
.row__field--full { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,0.2); }
.row__field input, .row__field select, .row__field textarea {
  background: transparent;
  border: none; outline: none;
  color: var(--paper);
  font-size: 16px;
  padding: 6px 0;
  width: 100%;
  font-family: var(--font-body);
  cursor: none;
}
.row__field textarea { resize: vertical; min-height: 60px; }
.row__field input::placeholder, .row__field textarea::placeholder { color: var(--mute-2); }
.row__field select option { background: var(--ink); color: var(--paper); }
.contact__form .btn { margin-top: 32px; }

/* ========== S11: Footer ========== */
.site-footer {
  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid var(--ink);
  overflow: hidden;
}
.footer__bigmask {
  overflow: hidden;
  padding: 80px var(--gutter) 32px;
  border-bottom: 1px solid var(--line);
}
.footer__bigtext {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(120px, 22vw, 360px);
  line-height: 0.85;
  font-weight: 400;
  letter-spacing: -0.05em;
  white-space: nowrap;
  transform: translateX(0);
}
.footer__bottom {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  font-size: 11px;
}
.footer__link { border-bottom: 1px solid var(--line); }
.footer__col--center { text-align: center; opacity: 0.6; }
.footer__col--right { text-align: right; opacity: 0.6; }

/* ========== Toast ========== */
.toast {
  position: fixed;
  bottom: 32px; left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--ink); color: var(--paper);
  padding: 16px 24px;
  border-left: 3px solid var(--rust);
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  z-index: 200;
  opacity: 0;
  transition: opacity 300ms, transform 400ms var(--ease);
  pointer-events: none;
  max-width: 90vw;
}
.toast.is-on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ========== Custom Cursor ========== */
.cursor { position: fixed; top: 0; left: 0; z-index: 9999; pointer-events: none; }
.cursor__dot {
  position: fixed; top: 0; left: 0;
  width: 6px; height: 6px;
  background: var(--rust);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 200ms, height 200ms, background 200ms;
  mix-blend-mode: difference;
}
.cursor__ring {
  position: fixed; top: 0; left: 0;
  width: 32px; height: 32px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.4);
  transition: transform 300ms var(--ease), border-color 200ms, background 200ms, width 200ms, height 200ms;
  display: flex; align-items: center; justify-content: center;
}
.cursor__label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--paper);
  opacity: 0;
  transition: opacity 200ms;
  text-transform: uppercase;
}
.cursor.is-hover .cursor__dot { width: 0; height: 0; }
.cursor.is-hover .cursor__ring {
  transform: translate(-50%, -50%) scale(1);
  background: var(--rust);
  border-color: var(--rust);
}
.cursor.is-hover .cursor__label { opacity: 1; }
.cursor.is-drag .cursor__ring { transform: translate(-50%, -50%) scale(1.3); background: var(--ink); }

/* ========== Reveal Animations ========== */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); }
[data-reveal].is-revealed { opacity: 1; transform: none; }
[data-reveal-child] { opacity: 0; transform: translateY(16px); transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out); }
[data-reveal-child].is-revealed { opacity: 1; transform: none; }

/* ========== Responsive ========== */
@media (max-width: 1100px) {
  .design__grid { grid-template-columns: 200px 1fr 240px; }
}

@media (max-width: 900px) {
  .nav { display: none; }
  .menu-btn { display: block; }
  .caps__grid { grid-template-columns: 1fr; }
  .cap { border-left: none; border-top: 1px solid var(--line); padding: 32px 0; min-height: auto; }
  .cap:first-child { border-top: none; }
  .quote__grid { grid-template-columns: 1fr; gap: 32px; }
  .contact__grid { grid-template-columns: 1fr; gap: 32px; }
  .row { grid-template-columns: 1fr; }
  .work__steps { grid-template-columns: 1fr 1fr; }
  .work__steps::before { display: none; }
  .step::before { display: none; }
  .nums__grid { grid-template-columns: 1fr 1fr; }
  .num { border-left: none; border-top: 1px solid rgba(255,255,255,0.2); padding: 24px 0; }
  .num:nth-child(1), .num:nth-child(2) { border-top: none; }
  .num:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.2); }
  .case { grid-template-columns: 60px 1fr 80px; gap: 12px; padding: 16px 0; }
  .case__city, .case__no { display: none; }
  .case__year { grid-row: 1; }
  .case__name { grid-column: 2 / 3; grid-row: 1; font-size: 18px; }
  .case__link { grid-column: 3 / 4; grid-row: 1; opacity: 1; transform: none; }
  .section-head { grid-template-columns: 50px 1fr; }
  .section-head__count, .section-head__hint, .section-head__more { grid-column: 2 / 3; padding-top: 8px; }
  .design__grid { grid-template-columns: 1fr; }
  .design__zones { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 12px; }
  .design__zones-label { width: 100%; }
  .design__selected { border-top: none; padding-top: 0; margin-left: auto; }
  .footer__bottom { grid-template-columns: 1fr; gap: 12px; text-align: center; }
  .footer__col--center, .footer__col--right { text-align: center; }
  .pain__track { grid-auto-columns: 85vw; }
  body { cursor: auto; }
  button, a, input, select, textarea, .chip, .tab, .case { cursor: pointer; }
  .cursor { display: none; }
}

@media (max-width: 600px) {
  :root { --gutter: 20px; --section-pad: 80px; }
  .work__steps { grid-template-columns: 1fr; }
  .nums__grid { grid-template-columns: 1fr; }
  .num:nth-child(odd) { border-right: none; }
  .num { border-top: 1px solid rgba(255,255,255,0.2); padding: 24px 0; }
  .num:first-child { border-top: none; }
  .hero__title { font-size: clamp(48px, 13vw, 80px); }
  .section-head__title { font-size: clamp(32px, 8vw, 48px); }
  .quote__out { padding: 24px; }
}

/* ========== Reduced motion ========== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal], [data-reveal-child] { opacity: 1; transform: none; }
  .hero__title .line { opacity: 1; transform: none; }
  .hero__sub, .hero__actions, .hero__meta { opacity: 1; transform: none; }
  .cursor { display: none; }
  body { cursor: auto; }
  button, a, input, select, textarea, .chip, .tab, .case { cursor: pointer; }
  .brand-reveal { display: none; }
}

/* ============================================
   ENHANCEMENTS v2 — Industrial Poetry++
   ============================================ */

/* ---- Global paper grain texture ---- */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.06;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 9990;
}
.nums::before, .contact::before, .hero::after {
  /* dark sections: lighter grain */
  mix-blend-mode: screen;
  opacity: 0.08;
}

/* ---- Section side chapter markers (blueprint style) ---- */
.section-marker {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: left center;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--mute-2);
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0.6;
  pointer-events: none;
  z-index: 1;
  transition: color 400ms, opacity 400ms;
}
.section-marker.is-active { color: var(--rust); opacity: 1; }
@media (max-width: 1100px) { .section-marker { display: none; } }

/* ---- Pain card enhancements ---- */
.pain__card .pain__role-icon {
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  margin-bottom: 4px;
  transition: background 250ms, color 250ms, border-color 250ms;
}
.pain__card:hover .pain__role-icon { background: var(--rust); color: var(--paper); border-color: var(--rust); }
.pain__card .pain__top {
  display: flex; align-items: center; gap: 12px;
}
.pain__card .pain__metric-row {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px;
  font-size: 10px;
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  margin-top: 8px;
}
.pain__card .pain__metric-row strong { font-weight: 500; color: var(--rust); font-size: 12px; }
.pain__card:hover .pain__metric-row strong { color: #FB923C; }
.pain__bar > span { width: 0; }
.pain__card.is-revealed .pain__bar > span { width: var(--p, 0%); transition: width 1200ms var(--ease) 200ms; }

/* ---- Cap card SVG illustrations ---- */
.cap__visual {
  height: 140px;
  margin: -8px 0 16px;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, transparent 0%, var(--paper-2) 100%);
  overflow: hidden;
}
.cap__visual::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 12px 12px;
  opacity: 0.5;
}
.cap__visual svg { position: relative; z-index: 1; }
.cap__visual .cv-tag {
  position: absolute; top: 8px; left: 8px;
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.1em; opacity: 0.5;
}
.cap__visual .cv-val {
  position: absolute; bottom: 8px; right: 8px;
  font-family: var(--font-mono); font-size: 9px;
  color: var(--rust);
  font-weight: 500;
  letter-spacing: 0.05em;
}
.cap:hover .cap__visual { border-color: var(--rust); }
.cap:hover .cap__visual svg { color: var(--rust); transition: color 400ms; }

/* ---- Design section: floor plan scan line + coords ---- */
.floorplan-wrap { position: relative; }
.design__plan { position: relative; }
.design__plan::before {
  /* top ruler */
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 18px;
  background: linear-gradient(90deg,
    transparent 0, transparent 4px,
    var(--mute-2) 4px, var(--mute-2) 5px,
    transparent 5px, transparent 14px,
    var(--mute-2) 14px, var(--mute-2) 15px,
    transparent 15px, transparent 24px);
  background-size: 24px 100%;
  opacity: 0.4;
}
.design__plan::after {
  /* left ruler */
  content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 18px;
  background: linear-gradient(180deg,
    transparent 0, transparent 4px,
    var(--mute-2) 4px, var(--mute-2) 5px,
    transparent 5px, transparent 14px,
    var(--mute-2) 14px, var(--mute-2) 15px,
    transparent 15px, transparent 24px);
  background-size: 100% 24px;
  opacity: 0.4;
  pointer-events: none;
}
.scan-line {
  position: absolute; top: 18px; left: 18px; right: 0; bottom: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 2;
}
.scan-line::before {
  content: ''; position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--rust) 20%, var(--rust) 80%, transparent);
  box-shadow: 0 0 8px var(--rust);
  animation: scan-move 3s linear infinite;
  opacity: 0.7;
}
@keyframes scan-move {
  0%   { transform: translateY(0); }
  100% { transform: translateY(380px); }
}
.points-layer circle { cursor: pointer; }
.points-layer circle:hover { r: 9; }

/* ---- Workflow: animated connector ---- */
.work__steps::after {
  content: ''; position: absolute;
  left: var(--gutter); right: var(--gutter);
  top: 60px; height: 1px;
  background: var(--ink);
  z-index: -1;
}
.work__steps .step-progress {
  position: absolute;
  left: var(--gutter); right: var(--gutter);
  top: 60px; height: 1px;
  background: var(--rust);
  z-index: 0;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1200ms var(--ease);
}
.work__steps.is-visible .step-progress { transform: scaleX(0.5); }
.work__steps.is-fully-visible .step-progress { transform: scaleX(1); }
.step__duration {
  position: absolute; top: 56px; left: 24px;
  font-family: var(--font-mono); font-size: 9px;
  color: var(--mute);
  background: var(--paper); padding: 0 4px;
  z-index: 1;
}
.step::before { z-index: 2; }

/* ---- Case card: hover image preview ---- */
.case { position: relative; }
.case__preview {
  position: absolute;
  top: 50%; right: 8px;
  transform: translate(20px, -50%);
  width: 200px; height: 120px;
  border: 1px solid var(--ink);
  background: var(--paper-2);
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 300ms, transform 300ms var(--ease);
  z-index: 5;
  overflow: hidden;
}
.case__preview::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 16px 16px;
}
.case__preview-text {
  position: relative;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mute);
  text-align: center;
}
.case__preview-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--ink);
  font-weight: 500;
  margin-top: 4px;
}
.case:hover .case__preview {
  opacity: 1; transform: translate(0, -50%);
}
.case:hover { z-index: 2; }
@media (max-width: 900px) { .case__preview { display: none; } }

/* ---- Floating AI assistant bubble ---- */
.ai-bubble {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 16px 12px 12px;
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--ink);
  z-index: 70;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 250ms, background 250ms, color 250ms;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.ai-bubble:hover { transform: translateY(-2px); }
.ai-bubble__dot {
  width: 8px; height: 8px;
  background: var(--rust);
  border-radius: 50%;
  position: relative;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(194, 65, 12, 0.6); }
  50%      { box-shadow: 0 0 0 6px rgba(194, 65, 12, 0); }
}
.ai-bubble__label strong {
  color: var(--rust);
  font-weight: 500;
  margin-right: 6px;
}
@media (max-width: 600px) {
  .ai-bubble { bottom: 16px; right: 16px; padding: 10px 12px; }
  .ai-bubble__label .bubble-long { display: none; }
}

/* ---- Hero: floating annotation tags ---- */
.hero__annot {
  position: absolute;
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
  z-index: 2;
}
.hero__annot--tl { top: 180px; left: var(--gutter); }
.hero__annot--br { bottom: 140px; right: var(--gutter); }
.hero__annot .ha-line {
  display: inline-block; width: 40px; height: 1px; background: var(--mute-2);
}
.hero__annot .ha-dot {
  width: 6px; height: 6px; background: var(--rust);
  border-radius: 50%;
  animation: pulse-dot 2.4s ease-in-out infinite;
}
@media (max-width: 900px) { .hero__annot { display: none; } }

/* ---- Hero ambient gradient ---- */
.hero::after {
  content: '';
  position: absolute;
  top: 20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(194, 65, 12, 0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ---- Caps ambient pattern ---- */
.caps {
  background: var(--paper);
  position: relative;
}
.caps::before {
  content: '';
  position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(14, 116, 144, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(194, 65, 12, 0.04) 0%, transparent 40%);
  pointer-events: none;
}
.caps__grid, .section-head { position: relative; z-index: 1; }

/* ---- Quote: subtle metric strip ---- */
.quote__out::before {
  content: 'QUOTE / ' attr(data-stamp);
  position: absolute;
  top: 16px; right: 20px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--mute-2);
  text-transform: uppercase;
  opacity: 0.5;
}

/* ---- Contact: location badge ---- */
.contact__location {
  position: absolute;
  top: 32px; right: var(--gutter);
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--reverse-paper);
  opacity: 0.6;
}
.contact__location .cl-pulse {
  width: 6px; height: 6px;
  background: var(--rust);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@media (max-width: 900px) { .contact__location { position: static; margin-bottom: 24px; } }

/* ---- Cases: arrow indicator ---- */
.case__arrow {
  display: inline-block;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 250ms, transform 250ms;
}
.case:hover .case__arrow { opacity: 1; transform: translateX(0); }
.case:hover .case__no { transform: scale(1.1); transition: transform 400ms var(--ease); }

/* ---- Footer: corner mark ---- */
.site-footer { position: relative; }
.footer__corner {
  position: absolute;
  top: 24px; right: var(--gutter);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--mute);
  text-transform: uppercase;
  display: flex; align-items: center; gap: 8px;
}
.footer__corner::before {
  content: ''; width: 6px; height: 6px;
  background: var(--rust);
  border-radius: 50%;
  animation: pulse-dot 2.6s ease-in-out infinite;
}

/* ============================================
   ENHANCEMENTS v3 — Section Detail++
   ============================================ */

/* ---- S4: Point legend ---- */
.ptlegend {
  display: flex; flex-wrap: wrap; gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}
.ptlegend__item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--mute);
}
.ptlegend__dot {
  width: 8px; height: 8px; border-radius: 50%;
  flex-shrink: 0;
}

/* ---- S4: Point summary bar ---- */
.ptsummary {
  border: 1px solid var(--ink);
  background: var(--paper);
  margin-top: 12px;
}
.ptsummary__row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
}
.ptsummary__row:last-child { border-bottom: none; }
.ptsummary__val { font-size: 18px; font-weight: 500; color: var(--rust); }

/* ---- S6: Per-sqm metric ---- */
.quote__per-sqm {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: 12px;
  font-size: 10px; opacity: 0.7;
}
.quote__per-sqm-val { font-size: 14px; opacity: 1; color: var(--paper); }

/* ---- S6: Traditional vs AI comparison ---- */
.quote__compare {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 16px;
  display: flex; flex-direction: column; gap: 10px;
}
.quote__compare-row {
  display: grid; grid-template-columns: 80px 1fr 60px;
  align-items: center; gap: 10px;
}
.quote__compare-label { font-size: 10px; opacity: 0.5; }
.quote__compare-label--ai { color: var(--rust); opacity: 1; }
.quote__compare-bar {
  height: 6px; background: rgba(255,255,255,0.08);
  position: relative;
}
.qcb {
  position: absolute; inset: 0; width: var(--p, 0%);
  transition: width 800ms var(--ease);
}
.qcb--old { background: rgba(255,255,255,0.25); }
.qcb--new { background: var(--rust); }
.quote__compare-val { font-size: 10px; opacity: 0.5; text-align: right; }
.quote__compare-val--ai { color: var(--rust); opacity: 1; font-weight: 500; }

/* ---- S8: Number icon + description ---- */
.num__icon {
  color: var(--rust);
  opacity: 0.6;
  margin-bottom: 4px;
}
.num__desc {
  font-size: 12px;
  line-height: 1.5;
  opacity: 0.5;
  margin-top: 4px;
}

/* ---- S9: Case tag ---- */
.case {
  grid-template-columns: 80px 140px 60px 1fr auto 140px;
}
.case__tag {
  font-size: 10px;
  opacity: 0.5;
  align-self: center;
}
.case:hover .case__tag { opacity: 0.8; }
@media (max-width: 900px) {
  .case { grid-template-columns: 60px 1fr 80px; }
  .case__tag { display: none; }
}

/* ---- S10: Contact map ---- */
.contact__map {
  margin-top: 16px;
  border: 1px solid rgba(255,255,255,0.2);
  overflow: hidden;
}

/* ---- S10: Social links ---- */
.contact__social {
  display: flex; gap: 0;
  margin-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.2);
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
.contact__social-link {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  border-right: 1px solid rgba(255,255,255,0.2);
  font-size: 10px;
  transition: background 250ms, color 250ms;
}
.contact__social-link:last-child { border-right: none; }
.contact__social-link:hover { background: rgba(255,255,255,0.08); color: var(--rust); }

/* ---- S5: Table row hover highlight ---- */
.eqtable tbody tr {
  transition: background 200ms;
}
.eqtable tbody tr:hover {
  background: rgba(194, 65, 12, 0.04);
}

/* ---- S5: Brand color strips ---- */
.eqtable th:nth-child(2),
.eqtable td:nth-child(2) { border-left: 3px solid #e63946; }
.eqtable th:nth-child(3),
.eqtable td:nth-child(3) { border-left: 3px solid #cf2029; }
.eqtable th:nth-child(4),
.eqtable td:nth-child(4) { border-left: 3px solid #0a9e4a; }
.eqtable th:nth-child(5),
.eqtable td:nth-child(5) { border-left: 3px solid #f5a623; }

/* ---- S7: Workflow total time strip ---- */
.work__total {
  max-width: var(--container); margin: 32px auto 0;
  padding: 0 var(--gutter);
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--ink);
  padding-top: 20px;
}
.work__total-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; opacity: 0.6; }
.work__total-val {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 400;
  letter-spacing: -0.02em;
}
.work__total-val em { font-style: italic; color: var(--rust); }

/* ---- Section transition dividers ---- */
.section-div {
  position: relative;
  height: 1px;
  background: var(--ink);
  max-width: var(--container);
  margin: 0 auto;
  overflow: visible;
}
.section-div::before {
  content: attr(data-label);
  position: absolute;
  left: var(--gutter);
  top: 50%;
  transform: translateY(-50%);
  background: var(--paper);
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--mute);
  text-transform: uppercase;
}
.section-div::after {
  content: attr(data-pct);
  position: absolute;
  right: var(--gutter);
  top: 50%;
  transform: translateY(-50%);
  background: var(--paper);
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--rust);
}
.nums + .section-div,
.contact + .section-div { background: var(--ink); }
.nums + .section-div::before,
.contact + .section-div::before { background: var(--ink); }
.nums + .section-div::after,
.contact + .section-div::after { background: var(--ink); }

/* ============================================
   ENHANCEMENTS v4 — Detail Polish++
   ============================================ */

/* ---- Hero: badge status dot ---- */
.badge { display: inline-flex; align-items: center; gap: 6px; }
.badge__dot {
  width: 6px; height: 6px;
  background: #16a34a;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.5);
}
.badge__dot--rust {
  background: var(--rust);
  box-shadow: 0 0 0 0 rgba(194, 65, 12, 0.5);
}
.badge--ghost { opacity: 0.7; }

/* ---- Hero: stats strip ---- */
.hero__stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 48px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  opacity: 0; transform: translateY(20px);
  transition: opacity 700ms, transform 700ms; transition-delay: 550ms;
}
.hero.is-ready .hero__stats { opacity: 1; transform: none; }
.hero__stat {
  padding: 20px 16px;
  border-left: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 4px;
}
.hero__stat:first-child { border-left: none; }
.hero__stat-num {
  font-family: var(--font-display);
  font-size: 32px; line-height: 1;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.hero__stat-label { font-size: 10px; opacity: 0.6; }
@media (max-width: 600px) {
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .hero__stat:nth-child(3) { border-left: none; border-top: 1px solid var(--line); }
  .hero__stat:nth-child(4) { border-top: 1px solid var(--line); }
}

/* ---- Hero: coord label ---- */
.hero__coord {
  position: absolute;
  right: var(--gutter);
  opacity: 0.5;
  font-size: 10px;
}

/* ---- Hero: meta time float ---- */
.hero__time { font-variant-numeric: tabular-nums; }

/* ---- Pain: progress bar ---- */
.pain__progress {
  max-width: var(--container);
  margin: 0 auto 32px;
  padding: 0 var(--gutter);
  display: flex; align-items: center;
  gap: 16px;
  position: relative;
}
.pain__progress::before {
  content: ''; flex: 1; height: 1px;
  background: var(--line);
  position: relative;
}
.pain__progress-bar {
  position: absolute; left: var(--gutter); right: var(--gutter);
  height: 1px; top: 50%;
  background: transparent;
  pointer-events: none;
}
.pain__progress-bar::before {
  content: ''; display: block;
  height: 1px; width: 0; background: var(--rust);
  transition: width 400ms var(--ease);
}
.pain__progress[data-progress="1"] .pain__progress-bar::before { width: 25%; }
.pain__progress[data-progress="2"] .pain__progress-bar::before { width: 50%; }
.pain__progress[data-progress="3"] .pain__progress-bar::before { width: 75%; }
.pain__progress[data-progress="4"] .pain__progress-bar::before { width: 100%; }
.pain__progress-dots {
  display: flex; gap: 8px;
  position: relative; z-index: 1;
  background: var(--paper);
  padding: 0 8px;
}
.pp-dot {
  width: 8px; height: 8px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  border-radius: 50%;
  transition: background 250ms, border-color 250ms, transform 250ms;
}
.pp-dot.is-on {
  background: var(--rust);
  border-color: var(--rust);
  transform: scale(1.2);
}

/* ---- Caps: stage indicator ---- */
.caps__stage {
  max-width: var(--container);
  margin: 56px auto 0;
  padding: 24px var(--gutter);
  border-top: 1px solid var(--ink);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 11px;
}
.caps__stage-item {
  padding: 6px 0;
  color: var(--mute);
  letter-spacing: 0.1em;
  position: relative;
  transition: color 300ms;
}
.caps__stage-item.is-on { color: var(--ink); }
.caps__stage-item.is-on::before {
  content: '●';
  color: var(--rust);
  margin-right: 6px;
  font-size: 8px;
}
.caps__stage-arrow {
  color: var(--mute-2);
  font-size: 14px;
}
.caps__stage-divider {
  flex: 1; min-width: 32px;
  height: 1px;
  background: var(--line);
}
.caps__stage-meta { color: var(--mute); }

/* ---- Design: corner markers ---- */
.design__plan { position: relative; }
.design__corner {
  position: absolute;
  z-index: 3;
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--mute-2);
  background: var(--paper);
  padding: 1px 4px;
  pointer-events: none;
}
.design__corner--tl { top: 4px;    left: 22px;  }
.design__corner--tr { top: 4px;    right: 4px;  }
.design__corner--bl { bottom: 4px; left: 22px;  }
.design__corner--br { bottom: 4px; right: 4px;  }

/* ---- Design: title block ---- */
.design__title-block {
  position: absolute;
  bottom: 4px; left: 50px;
  z-index: 3;
  display: flex; gap: 12px;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--mute);
  background: var(--paper);
  padding: 2px 6px;
  pointer-events: none;
}
.design__title-block span:last-child { color: var(--rust); }

/* ---- Equip: tab with number ---- */
.tab {
  display: inline-flex; align-items: center; gap: 8px;
}
.tab__num {
  font-size: 9px;
  opacity: 0.5;
  color: currentColor;
}
.tab.is-active .tab__num { opacity: 1; color: var(--rust); }

/* ---- Equip: brand strip legend ---- */
.equip__brands {
  max-width: var(--container);
  margin: 0 auto 24px;
  padding: 0 var(--gutter);
  display: flex; gap: 24px; align-items: center;
  flex-wrap: wrap;
  font-size: 10px;
}
.equip__brand {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--mute);
  letter-spacing: 0.08em;
}
.equip__brand-dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
}
.equip__brand-meta {
  margin-left: auto;
  color: var(--mute-2);
  letter-spacing: 0.1em;
}

/* ---- Quote: section padding fix ---- */
.quote { position: relative; }
.quote::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 240px; height: 240px;
  background:
    radial-gradient(circle at top right, rgba(194, 65, 12, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

/* ---- Work: step center dot ---- */
.step { position: relative; }
.step__status {
  position: absolute; top: 50px; left: 18px;
  width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  background: var(--paper);
  z-index: 2;
}
.step__status::before {
  content: ''; width: 8px; height: 8px;
  background: var(--rust);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.2);
  animation: pulse-dot 2.5s ease-in-out infinite;
}
.step__status::after {
  content: '';
  position: absolute; inset: 0;
  border: 1px solid var(--ink);
  border-radius: 50%;
}

/* ---- Nums: giant background number ---- */
.nums { position: relative; overflow: hidden; }
.nums::after {
  content: '弱电 AI';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(180px, 26vw, 420px);
  line-height: 0.85;
  color: var(--paper);
  opacity: 0.025;
  font-weight: 400;
  letter-spacing: -0.05em;
  pointer-events: none;
  white-space: nowrap;
  z-index: 0;
}
.nums__grid { position: relative; z-index: 1; }
.num { position: relative; }

/* ---- Cases: number background ---- */
.cases { position: relative; }
.case__no-bg {
  position: absolute;
  top: 50%; right: 24px;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 240px; line-height: 1;
  color: var(--paper);
  opacity: 0;
  pointer-events: none;
  font-weight: 400;
  letter-spacing: -0.04em;
  transition: opacity 400ms;
  z-index: 0;
}
.case:hover .case__no-bg { opacity: 0.7; }
.case__name, .case__year, .case__city, .case__no, .case__tag, .case__link { position: relative; z-index: 1; }

/* ---- Contact: form focus ring ---- */
.row__field input:focus,
.row__field select:focus,
.row__field textarea:focus {
  outline: none;
  background: linear-gradient(90deg, transparent, rgba(194, 65, 12, 0.06), transparent);
  transition: background 250ms;
}
.row__field input:focus + span,
.row__field select:focus + span { color: var(--rust); }

/* ---- Contact: hours time strip ---- */
.contact__line:nth-child(4) {
  position: relative;
}
.contact__line:nth-child(4)::before {
  content: '●';
  color: #16a34a;
  margin-right: 4px;
  font-size: 8px;
  vertical-align: middle;
  animation: pulse-dot 2s ease-in-out infinite;
}

/* ---- Background floating blobs ---- */
.bg-blobs {
  position: fixed; inset: 0; pointer-events: none; z-index: -1;
  overflow: hidden;
}
.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  transition: transform 1000ms var(--ease);
}
.bg-blob--1 {
  top: 10%; left: 5%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(194, 65, 12, 0.15) 0%, transparent 70%);
}
.bg-blob--2 {
  top: 50%; right: 10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(14, 116, 144, 0.12) 0%, transparent 70%);
}
.bg-blob--3 {
  bottom: 10%; left: 30%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(202, 138, 4, 0.08) 0%, transparent 70%);
}
@media (max-width: 900px) { .bg-blobs { display: none; } }

/* ---- Quote output: ambient highlight ---- */
.quote__out {
  position: relative;
  overflow: hidden;
}
.quote__out::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle at top right, rgba(194, 65, 12, 0.4) 0%, transparent 60%);
  pointer-events: none;
}

/* ---- Caps: cap card hover micro-icon ---- */
.cap__icon-arrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--rust);
  margin-left: auto;
  transition: transform 250ms;
}
.cap:hover .cap__icon-arrow { transform: translateX(4px); }

/* ============================================
   ENHANCEMENTS v5 — Detail Refinements
   ============================================ */

/* ---- Blueprint corner brackets (reusable) ---- */
.corners { position: relative; }
.corners::before,
.corners::after,
.corners > .cn-tl,
.corners > .cn-tr,
.corners > .cn-bl,
.corners > .cn-br {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  pointer-events: none;
  z-index: 4;
  transition: border-color 300ms;
}
.corners::before { /* tl */
  top: -1px; left: -1px;
  border-top: 1.5px solid var(--ink);
  border-left: 1.5px solid var(--ink);
}
.corners::after { /* br */
  bottom: -1px; right: -1px;
  border-bottom: 1.5px solid var(--ink);
  border-right: 1.5px solid var(--ink);
}
.corners > .cn-tr {
  top: -1px; right: -1px;
  border-top: 1.5px solid var(--ink);
  border-right: 1.5px solid var(--ink);
}
.corners > .cn-bl {
  bottom: -1px; left: -1px;
  border-bottom: 1.5px solid var(--ink);
  border-left: 1.5px solid var(--ink);
}
.pain__card.corners::before,
.pain__card.corners::after,
.pain__card.corners > .cn-tl,
.pain__card.corners > .cn-tr,
.pain__card.corners > .cn-bl,
.pain__card.corners > .cn-br { border-color: var(--ink); }
.pain__card.corners:hover::before,
.pain__card.corners:hover::after,
.pain__card.corners:hover > .cn-tl,
.pain__card.corners:hover > .cn-tr,
.pain__card.corners:hover > .cn-bl,
.pain__card.corners:hover > .cn-br { border-color: var(--rust); }
.pain__card:hover.corners::before,
.pain__card:hover.corners::after,
.pain__card:hover.corners > .cn-tl,
.pain__card:hover.corners > .cn-tr,
.pain__card:hover.corners > .cn-bl,
.pain__card:hover.corners > .cn-br { border-color: var(--paper); }
.case.corners::before,
.case.corners::after { border-color: var(--line-strong); }
.cap.corners::before,
.cap.corners::after,
.cap.corners > .cn-tl,
.cap.corners > .cn-tr,
.cap.corners > .cn-bl,
.cap.corners > .cn-br { border-color: var(--line); }
.cap.corners:hover::before,
.cap.corners:hover::after,
.cap.corners:hover > .cn-tl,
.cap.corners:hover > .cn-tr,
.cap.corners:hover > .cn-bl,
.cap.corners:hover > .cn-br { border-color: var(--rust); }
.quote__out.corners::before,
.quote__out.corners::after,
.quote__out.corners > .cn-tl,
.quote__out.corners > .cn-tr,
.quote__out.corners > .cn-bl,
.quote__out.corners > .cn-br { border-color: var(--paper); }
.contact__form.corners::before,
.contact__form.corners::after,
.contact__form.corners > .cn-tl,
.contact__form.corners > .cn-tr,
.contact__form.corners > .cn-bl,
.contact__form.corners > .cn-br { border-color: rgba(255,255,255,0.35); }

/* ---- Pain: side index marks ---- */
.pain__card { position: relative; overflow: hidden; }
.pain__card .pain__index {
  position: absolute;
  left: 12px; top: 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--mute);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 300ms, transform 300ms;
}
.pain__card .pain__index::before {
  content: ''; display: inline-block;
  width: 16px; height: 1px;
  background: var(--mute);
  vertical-align: middle;
  margin-right: 6px;
}
.pain__card:hover .pain__index { opacity: 1; transform: translateX(0); }
.pain__card .pain__rotate {
  position: absolute;
  bottom: 12px; right: 14px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--mute);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 300ms, transform 300ms;
}
.pain__card:hover .pain__rotate { opacity: 1; transform: translateY(0); color: var(--paper); }
.pain__rotate::before { content: '// '; color: var(--rust); }

/* ---- Quote: small circular chart ---- */
.quote__donut {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 0;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.quote__donut-svg {
  width: 64px; height: 64px;
  flex-shrink: 0;
  transform: rotate(-90deg);
}
.quote__donut-svg circle {
  fill: none;
  stroke-width: 8;
  transition: stroke-dasharray 800ms var(--ease);
}
.quote__donut-svg .qd-bg { stroke: rgba(255,255,255,0.1); }
.quote__donut-svg .qd-eq { stroke: var(--rust); }
.quote__donut-svg .qd-ca { stroke: var(--signal); }
.quote__donut-svg .qd-lb { stroke: #CA8A04; }
.quote__donut-legend {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  flex: 1;
}
.quote__donut-legend-row {
  display: flex; align-items: center; gap: 8px;
}
.quote__donut-legend-row .dot {
  width: 8px; height: 8px; border-radius: 50%;
  flex-shrink: 0;
}
.quote__donut-legend-row .lab { opacity: 0.6; }
.quote__donut-legend-row .val { margin-left: auto; color: var(--paper); font-size: 11px; }

/* ---- Cases: progress fill ---- */
.case { position: relative; }
.case__progress {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--ink);
  overflow: hidden;
  z-index: 0;
}
.case__progress::before {
  content: ''; position: absolute; inset: 0;
  background: var(--rust);
  transform: scaleX(0); transform-origin: left;
  transition: transform 600ms var(--ease);
}
.case:hover .case__progress::before { transform: scaleX(1); }

/* ---- Work: step duration badge ---- */
.step__duration {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--rust);
  padding: 4px 8px;
  border: 1px solid var(--rust);
  border-radius: 999px;
  background: rgba(194, 65, 12, 0.04);
  position: absolute;
  top: 100px; left: 24px;
}
.step__duration::before {
  content: '●';
  color: var(--rust);
  font-size: 6px;
  animation: pulse-dot 2s ease-in-out infinite;
}

/* ---- Equip: recommend ribbon ---- */
.eqtable td.eqtable__rec {
  position: relative;
}
.eqtable td.eqtable__rec::after {
  content: 'RECOMMEND';
  position: absolute;
  top: 4px; right: 4px;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--rust);
  opacity: 0.7;
}

/* ---- Hero: marquee ribbon ---- */
.hero__ticker {
  position: relative;
  margin-top: 32px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  gap: 48px;
  white-space: nowrap;
  opacity: 0; transform: translateY(20px);
  transition: opacity 700ms, transform 700ms; transition-delay: 700ms;
}
.hero.is-ready .hero__ticker { opacity: 1; transform: none; }
.hero__ticker-track {
  display: flex; gap: 48px;
  animation: ticker-scroll 40s linear infinite;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--mute);
  flex-shrink: 0;
}
.hero__ticker-track span { display: inline-flex; align-items: center; gap: 16px; }
.hero__ticker-track span::after {
  content: '◆';
  color: var(--rust);
  font-size: 8px;
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---- Caps: stage indicator glow ---- */
.caps__stage-item.is-on {
  position: relative;
  padding-left: 16px;
}
.caps__stage-item.is-on::before {
  content: ''; position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  background: var(--rust);
  border-radius: 50%;
  font-size: 0;
  box-shadow: 0 0 0 0 rgba(194, 65, 12, 0.4);
  animation: stage-pulse 2s ease-in-out infinite;
}
@keyframes stage-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(194, 65, 12, 0.4); }
  50%      { box-shadow: 0 0 0 6px rgba(194, 65, 12, 0); }
}

/* ---- Nums: number bottom caption refinement ---- */
.num { position: relative; }
.num::before {
  content: '';
  position: absolute;
  bottom: 24px; left: 24px;
  width: 24px; height: 1px;
  background: var(--paper);
  opacity: 0.4;
  transition: width 600ms var(--ease);
}
.num:hover::before { width: 64px; background: var(--rust); opacity: 1; }
.num__val {
  position: relative;
  display: inline-block;
}
.num__val::after {
  content: attr(data-suffix);
  font-size: 0.5em;
  color: var(--rust);
  vertical-align: top;
  margin-left: 4px;
  font-weight: 400;
}

/* ---- Hero: status light row ---- */
.hero__top { align-items: center; }
.hero__top .badge:last-child { margin-left: auto; }
@media (max-width: 768px) {
  .hero__top .badge:last-child { margin-left: 0; }
}

/* ---- Footer: edge mark ---- */
.footer__edge {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ink) 30%, var(--ink) 70%, transparent);
  opacity: 0.3;
}

/* ---- Section head: small accent ---- */
.section-head__title em::after {
  content: ' ';
  display: inline-block;
  width: 8px; height: 1px;
  background: var(--rust);
  vertical-align: middle;
  margin-left: 8px;
  opacity: 0.6;
}

/* ---- Pain card: hover chevron ---- */
.pain__card::after {
  content: '→';
  position: absolute;
  bottom: 16px; right: 16px;
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--rust);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 300ms, transform 300ms;
  z-index: 1;
}
.pain__card:hover::after { opacity: 1; transform: translateX(0); }
.pain__card .pain__bar { margin-bottom: 32px; }
.pain__card .pain__metric-row { margin-bottom: 0; }

/* ---- Equip: brand column accent line ---- */
.eqtable thead th { position: relative; }
.eqtable thead th:not(:first-child):not(:last-child)::after {
  content: '';
  position: absolute;
  top: 4px; left: 4px;
  width: 6px; height: 6px;
  border-radius: 50%;
}
.eqtable thead th:nth-child(2)::after { background: #e63946; }
.eqtable thead th:nth-child(3)::after { background: #cf2029; }
.eqtable thead th:nth-child(4)::after { background: #0a9e4a; }
.eqtable thead th:nth-child(5)::after { background: #f5a623; }
.eqtable thead th { padding-left: 16px; }

/* ---- Quote: input label tooltip ---- */
.field__hint {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--mute);
  padding-left: 6px;
}

/* ---- Caps card: corner accent ---- */
.cap::before {
  content: '·';
  position: absolute;
  top: 16px; right: 20px;
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--rust);
  opacity: 0.3;
  transition: opacity 300ms;
}
.cap:hover::before { opacity: 0.8; }

/* ---- Caps stage item hover ---- */
.caps__stage-item {
  transition: color 300ms, transform 300ms;
  cursor: default;
}
.caps__stage-item:hover { color: var(--rust); }

/* ---- Cases: hover glow on first letter ---- */
.case__name::first-letter {
  transition: color 300ms;
}
.case:hover .case__name::first-letter { color: var(--rust); }

/* ---- Hero annotation: dynamic coord float ---- */
.hero__annot {
  transition: color 400ms, opacity 400ms;
}
.hero:hover .hero__annot { color: var(--ink); opacity: 0.9; }

/* ---- Work total: more refined ---- */
.work__total {
  position: relative;
  background:
    linear-gradient(90deg, transparent, var(--paper-2) 20%, var(--paper-2) 80%, transparent);
  border: none;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 24px var(--gutter);
  margin-top: 48px;
}
.work__total-label { opacity: 0.7; }
.work__total-val {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.03em;
  display: flex; align-items: baseline; gap: 12px;
}
.work__total-val em {
  font-size: 1.4em;
  font-style: italic;
  color: var(--rust);
}
.work__total-val small {
  font-size: 0.4em;
  font-family: var(--font-mono);
  letter-spacing: 0.15em;
  opacity: 0.5;
  margin-left: 4px;
}

/* ---- Section head: hover interactive underline ---- */
.section-head__more { position: relative; }
.section-head__more::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 300ms var(--ease);
}
.section-head__more:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---- Hero: meta footer ribbon ---- */
.hero__meta::before {
  content: '';
  position: absolute;
  top: -8px; left: 0; right: 0;
  height: 1px;
  background: var(--ink);
  opacity: 0.1;
}

/* ============================================
   v6: Chinese User Habits Optimization
   ============================================ */

/* ---- Live activity top bar ---- */
.live-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 0;
  font-size: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: transform 400ms var(--ease);
}
.live-bar.is-hidden { transform: translateY(-100%); }
.live-bar__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap;
}
.live-bar__pulse {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--rust);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(194, 65, 12, 0.6);
  animation: live-pulse 1.6s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(194, 65, 12, 0.6); }
  50%      { box-shadow: 0 0 0 6px rgba(194, 65, 12, 0); }
}
.live-bar__text { flex: 1; opacity: 0.95; }
.live-bar__num { color: var(--rust); font-weight: 700; margin: 0 2px; }
.live-bar__time {
  font-size: 10px;
  letter-spacing: 0.1em;
  opacity: 0.6;
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .live-bar__time { display: none; }
  .live-bar__text { font-size: 11px; }
}

/* ---- Phone button in hero ---- */
.btn--phone {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px;
  border: 1.5px solid var(--rust);
  color: var(--rust);
  background: var(--paper);
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: all 250ms var(--ease);
}
.btn--phone strong { font-family: var(--font-display); font-size: 18px; font-weight: 500; }
.btn--phone:hover {
  background: var(--rust);
  color: var(--paper);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px -4px rgba(194, 65, 12, 0.3);
}
.btn--phone:hover .btn__phone-icon svg { stroke: var(--paper); }
.btn__phone-icon { display: inline-flex; align-items: center; }
@media (max-width: 1024px) {
  .hero__actions { flex-wrap: wrap; }
  .btn--phone { padding: 12px 18px; font-size: 13px; }
  .btn--phone strong { font-size: 16px; }
}

/* ---- Floating bottom CTA bar ---- */
.float-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 999;
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 -8px 24px rgba(0,0,0,0.15);
  transform: translateY(120%);
  transition: transform 400ms var(--ease);
}
.float-cta.is-visible { transform: translateY(0); }
.float-cta__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 12px var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.float-cta__info {
  display: flex; align-items: center; gap: 12px;
  flex: 1; min-width: 0;
}
.float-cta__dot {
  width: 8px; height: 8px;
  background: var(--rust);
  border-radius: 50%;
  flex-shrink: 0;
  animation: live-pulse 1.6s ease-in-out infinite;
}
.float-cta__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.float-cta__text strong { font-size: 14px; font-weight: 500; }
.float-cta__text .mono { font-size: 10px; opacity: 0.6; }
.float-cta__btns { display: flex; gap: 8px; flex-shrink: 0; }
.float-cta__btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  font-size: 13px;
  border-radius: 999px;
  transition: all 250ms var(--ease);
  white-space: nowrap;
}
.float-cta__btn--phone {
  color: var(--paper);
  border: 1px solid rgba(255,255,255,0.3);
  background: transparent;
}
.float-cta__btn--phone:hover {
  border-color: var(--rust);
  color: var(--rust);
}
.float-cta__btn--main {
  background: var(--rust);
  color: var(--paper);
  font-weight: 500;
}
.float-cta__btn--main:hover {
  background: var(--paper);
  color: var(--ink);
  transform: scale(1.02);
}
@media (max-width: 768px) {
  .float-cta__info .float-cta__text strong { font-size: 12px; }
  .float-cta__info .float-cta__text .mono { font-size: 9px; }
  .float-cta__btn { padding: 8px 12px; font-size: 12px; }
}
@media (max-width: 480px) {
  .float-cta__btn--phone { padding: 8px 10px; }
  .float-cta__btn--phone span { display: none; }
  .float-cta__btn--phone::after { content: '电话'; font-size: 12px; }
}

/* ---- Trusted By (logo wall) ---- */
.trusted {
  position: relative;
  padding: 96px var(--gutter);
  background: var(--paper);
  border-top: 1px solid var(--line);
}
.trusted::before {
  content: '';
  position: absolute;
  top: 48px; left: 50%;
  transform: translateX(-50%);
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--ink) 50%, transparent);
  opacity: 0.2;
}
.trusted__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-top: 48px;
}
.trusted__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px;
  padding: 32px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: all 300ms var(--ease);
  cursor: default;
  position: relative;
  background: var(--paper);
}
.trusted__item:hover {
  background: var(--ink);
  color: var(--paper);
  transform: scale(1.02);
  z-index: 2;
}
.trusted__item:hover .trusted__note { opacity: 0.7; }
.trusted__item::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--rust);
  transform: scaleX(0); transform-origin: left;
  transition: transform 400ms var(--ease);
}
.trusted__item:hover::after { transform: scaleX(1); }
.trusted__logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: inherit;
  line-height: 1;
}
.trusted__logo--mark {
  display: inline-flex; align-items: center;
  color: var(--rust);
  transition: color 300ms;
}
.trusted__item:hover .trusted__logo--mark { color: var(--paper); }
.trusted__note {
  font-size: 9px;
  letter-spacing: 0.15em;
  opacity: 0.5;
  transition: opacity 300ms;
}
@media (max-width: 1024px) {
  .trusted__grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  .trusted__grid { grid-template-columns: repeat(3, 1fr); }
  .trusted__logo { font-size: 16px; }
}
@media (max-width: 480px) {
  .trusted__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Trusted stats bar ---- */
.trusted__stats {
  max-width: var(--container);
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.trusted__stat {
  padding: 24px 16px;
  border-left: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 4px;
  text-align: center;
}
.trusted__stat:first-child { border-left: none; }
.trusted__stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
}
.trusted__stat-label {
  font-size: 10px;
  letter-spacing: 0.15em;
  opacity: 0.5;
}
@media (max-width: 768px) {
  .trusted__stats { grid-template-columns: repeat(2, 1fr); }
  .trusted__stat:nth-child(3) { border-left: none; }
  .trusted__stat:nth-child(3), .trusted__stat:nth-child(4) { border-top: 1px solid var(--line); }
  .trusted__stat-num { font-size: 24px; }
}

/* ---- Testimonials ---- */
.testi {
  position: relative;
  padding: 96px var(--gutter);
  background: var(--paper-2);
  border-top: 1px solid var(--line);
}
.testi__grid {
  max-width: var(--container);
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.testi__card {
  background: var(--paper);
  padding: 32px;
  border: 1px solid var(--line);
  position: relative;
  transition: all 300ms var(--ease);
  overflow: hidden;
}
.testi__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 100%;
  background: linear-gradient(180deg, var(--rust), transparent);
  opacity: 0.04;
  transition: width 500ms var(--ease);
}
.testi__card:hover::before { width: 100%; }
.testi__card:hover {
  transform: translateY(-4px);
  border-color: var(--rust);
  box-shadow: 0 16px 32px -8px rgba(0,0,0,0.1);
}
.testi__quote-mark {
  position: absolute;
  top: -10px; right: 24px;
  font-family: var(--font-display);
  font-size: 96px;
  font-weight: 700;
  color: var(--rust);
  line-height: 1;
  opacity: 0.15;
  transition: opacity 300ms;
}
.testi__card:hover .testi__quote-mark { opacity: 0.3; }
.testi__quote {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  margin: 0 0 16px;
  position: relative;
  z-index: 1;
}
.testi__quote em {
  color: var(--rust);
  font-style: normal;
  font-weight: 600;
  border-bottom: 1.5px solid var(--rust);
  padding-bottom: 1px;
}
.testi__rating {
  display: flex; align-items: center; gap: 2px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.testi__star {
  color: #F59E0B;
  font-size: 14px;
}
.testi__star--big { font-size: 24px; }
.testi__rating-text {
  margin-left: 8px;
  font-size: 10px;
  letter-spacing: 0.1em;
  opacity: 0.5;
}
.testi__author {
  display: flex; align-items: center; gap: 12px;
}
.testi__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  flex-shrink: 0;
}
.testi__author-info {
  display: flex; flex-direction: column; gap: 2px;
  flex: 1; min-width: 0;
}
.testi__name { font-size: 14px; font-weight: 500; color: var(--ink); }
.testi__role { font-size: 10px; opacity: 0.5; }
.testi__date { font-size: 10px; opacity: 0.4; }
@media (max-width: 1024px) {
  .testi__grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .testi__card { padding: 24px; }
  .testi__quote { font-size: 14px; }
  .testi__quote-mark { font-size: 64px; }
}

/* ---- Testimonials aggregate ---- */
.testi__aggregate {
  max-width: var(--container);
  margin: 48px auto 0;
  padding: 32px;
  background: var(--ink);
  color: var(--paper);
  display: flex; align-items: center; gap: 32px;
  border-radius: 0;
}
.testi__agg-num {
  display: flex; align-items: baseline; gap: 4px;
  flex-shrink: 0;
}
.testi__agg-score {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--rust);
  line-height: 1;
}
.testi__agg-suffix {
  font-size: 18px;
  opacity: 0.5;
  font-family: var(--font-mono);
}
.testi__agg-stars {
  display: flex; gap: 4px;
  flex-shrink: 0;
}
.testi__agg-meta {
  display: flex; flex-direction: column; gap: 4px;
  margin-left: auto;
  text-align: right;
}
.testi__agg-meta .mono {
  font-size: 11px;
  opacity: 0.7;
  letter-spacing: 0.1em;
}
@media (max-width: 768px) {
  .testi__aggregate { flex-wrap: wrap; gap: 16px; padding: 24px; }
  .testi__agg-score { font-size: 48px; }
  .testi__agg-meta { width: 100%; text-align: left; margin-left: 0; }
}

/* ---- FAQ ---- */
.faq {
  position: relative;
  padding: 96px var(--gutter);
  background: var(--paper);
  border-top: 1px solid var(--line);
}
.faq__grid {
  max-width: var(--container);
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.faq__item {
  border: 1px solid var(--line);
  background: var(--paper);
  position: relative;
  transition: all 300ms var(--ease);
  overflow: hidden;
}
.faq__item:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.faq__item[open] {
  border-color: var(--rust);
  box-shadow: 0 12px 24px -8px rgba(0,0,0,0.08);
  background: linear-gradient(180deg, rgba(194, 65, 12, 0.02), transparent 50%);
}
.faq__q {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 250ms;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q:hover { background: var(--paper-2); }
.faq__no {
  font-size: 11px;
  font-weight: 600;
  color: var(--rust);
  letter-spacing: 0.1em;
  flex-shrink: 0;
  width: 32px;
}
.faq__q-text {
  flex: 1;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.5;
}
.faq__icon {
  position: relative;
  width: 18px; height: 18px;
  flex-shrink: 0;
  transition: transform 300ms var(--ease);
}
.faq__icon::before, .faq__icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  background: var(--ink);
  transition: all 300ms var(--ease);
}
.faq__icon::before { width: 14px; height: 1.5px; transform: translate(-50%, -50%); }
.faq__icon::after  { width: 1.5px; height: 14px; transform: translate(-50%, -50%); }
.faq__item[open] .faq__icon::after { transform: translate(-50%, -50%) scaleY(0); }
.faq__item[open] .faq__icon { transform: rotate(180deg); }
.faq__item[open] .faq__icon::before { background: var(--rust); }
.faq__a {
  padding: 0 24px 24px 72px;
  border-top: 1px solid var(--line);
  margin-top: -1px;
}
.faq__a p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  opacity: 0.85;
  margin: 16px 0 0;
}
.faq__a p + p { margin-top: 12px; }
.faq__a strong {
  color: var(--rust);
  font-weight: 600;
}
.faq__a em {
  font-style: normal;
  font-weight: 600;
  color: var(--ink);
  background: rgba(194, 65, 12, 0.1);
  padding: 1px 6px;
  border-radius: 2px;
}
.faq__a-tip,
.faq__a p.faq__a-tip {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  line-height: 1.6;
  border-left: 3px solid var(--rust);
  opacity: 1;
  font-weight: 400;
}
.faq__a-tip::before {
  content: '★';
  display: inline-block;
  color: var(--rust);
  margin-right: 8px;
  font-size: 11px;
}
.faq__a-tip em,
p.faq__a-tip em {
  background: rgba(255,255,255,0.1);
  color: var(--paper);
  font-weight: 700;
  font-style: normal;
  padding: 2px 8px;
  border-radius: 2px;
  margin: 0 2px;
}
@media (max-width: 1024px) {
  .faq__grid { grid-template-columns: 1fr; }
  .faq__a { padding-left: 24px; }
}

/* ============================================
   v7: Enhanced FAQ Section
   ============================================ */
.faq__intro {
  max-width: 720px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  opacity: 0.75;
  margin: 16px 0 0;
}
.faq__intro-link {
  color: var(--rust);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid var(--rust);
  padding-bottom: 1px;
  margin-left: 4px;
  transition: opacity 200ms;
}
.faq__intro-link:hover { opacity: 0.7; }

/* Toolbar */
.faq__toolbar {
  max-width: var(--container);
  margin: 48px auto 32px;
  display: flex; flex-direction: column; gap: 20px;
}
.faq__search {
  position: relative;
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 0;
  transition: all 250ms var(--ease);
}
.faq__search:focus-within {
  border-color: var(--rust);
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.08);
}
.faq__search-icon {
  flex-shrink: 0;
  color: var(--mute);
  transition: color 200ms;
}
.faq__search:focus-within .faq__search-icon { color: var(--rust); }
.faq__search-input {
  flex: 1; min-width: 0;
  border: none; outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  padding: 0;
}
.faq__search-input::placeholder { color: var(--mute); }
.faq__search-count {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mute);
  flex-shrink: 0;
  border-left: 1px solid var(--line);
  padding-left: 12px;
}
.faq__filters {
  display: flex; gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.faq__filter {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all 200ms var(--ease);
}
.faq__filter:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}
.faq__filter.is-on {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.faq__filter-num {
  font-size: 10px;
  opacity: 0.6;
  padding-left: 6px;
  border-left: 1px solid currentColor;
}
.faq__filter.is-on .faq__filter-num { opacity: 0.8; }

/* Layout */
.faq__layout {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}

/* Sidebar */
.faq__side {
  position: sticky;
  top: 100px;
  display: flex; flex-direction: column;
  gap: 24px;
}
.faq__side-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--mute);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.faq__side-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex; flex-direction: column;
}
.faq__side-list li { display: block; }
.faq__side-list a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0;
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  border-bottom: 1px solid var(--line);
  transition: all 200ms;
  position: relative;
}
.faq__side-list a:hover {
  padding-left: 8px;
  color: var(--rust);
}
.faq__side-list a:hover .faq__side-num { color: var(--rust); }
.faq__side-list a.is-on {
  color: var(--rust);
  font-weight: 500;
  padding-left: 8px;
}
.faq__side-list a.is-on .faq__side-num { color: var(--rust); }
.faq__side-list a.is-on::before {
  content: '';
  position: absolute;
  left: -16px; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 1.5px;
  background: var(--rust);
}
.faq__side-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mute);
  flex-shrink: 0;
  transition: color 200ms;
}
.faq__side-text { flex: 1; }
.faq__side-count {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.4;
  flex-shrink: 0;
}
.faq__side-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.faq__side-stat {
  display: flex; flex-direction: column; gap: 4px;
}
.faq__side-stat strong {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--rust);
  letter-spacing: -0.02em;
  line-height: 1;
}
.faq__side-stat strong small {
  font-size: 0.5em;
  margin-left: 2px;
}
.faq__side-stat .mono {
  font-size: 9px;
  letter-spacing: 0.1em;
  opacity: 0.6;
  line-height: 1.3;
}
.faq__side-stat:last-child {
  grid-column: 1 / -1;
}
.faq__side-stat:last-child strong {
  font-size: 16px;
  color: var(--ink);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}
.faq__side-cta {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  transition: all 250ms var(--ease);
  position: relative;
  overflow: hidden;
}
.faq__side-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 100%;
  background: var(--rust);
  transition: width 400ms var(--ease);
  z-index: 0;
}
.faq__side-cta:hover::before { width: 100%; }
.faq__side-cta > * { position: relative; z-index: 1; }
.faq__side-cta:hover { transform: translateY(-2px); }
.faq__side-cta-icon {
  display: flex; align-items: center;
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--rust);
  border-radius: 50%;
  align-items: center; justify-content: center;
  transition: background 250ms;
}
.faq__side-cta:hover .faq__side-cta-icon { background: var(--paper); }
.faq__side-cta:hover .faq__side-cta-icon svg { stroke: var(--ink); }
.faq__side-cta > span:nth-child(2) {
  display: flex; flex-direction: column; gap: 2px;
  flex: 1;
}
.faq__side-cta strong { font-size: 13px; font-weight: 500; }
.faq__side-cta .mono { font-size: 9px; opacity: 0.7; }
.faq__side-cta-arrow {
  font-size: 18px;
  flex-shrink: 0;
  transition: transform 250ms;
}
.faq__side-cta:hover .faq__side-cta-arrow { transform: translateX(4px); }

/* Main content */
.faq__main {
  display: flex; flex-direction: column;
  gap: 48px;
}
.faq__cat-group {
  scroll-margin-top: 120px;
}
.faq__cat-group.is-hidden { display: none; }
.faq__cat-head {
  display: flex; align-items: center; gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 16px;
}
.faq__cat-icon {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  background: var(--ink);
  color: var(--paper);
  flex-shrink: 0;
  transition: background 250ms;
}
.faq__cat-icon[data-color="price"] { background: var(--rust); }
.faq__cat-icon[data-color="tech"]  { background: var(--ink); }
.faq__cat-icon[data-color="service"] { background: #0a9e4a; }
.faq__cat-icon[data-color="deploy"] { background: #7C3AED; }
.faq__cat-icon[data-color="study"]  { background: #F59E0B; }
.faq__cat-head > div { flex: 1; }
.faq__cat-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  margin: 0 0 4px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.faq__cat-sub {
  font-size: 12px;
  color: var(--mute);
  margin: 0;
}

/* FAQ item tags */
.faq__tags {
  display: inline-flex; align-items: center; gap: 4px;
  flex-shrink: 0;
  margin: 0 12px;
}
.faq__tag {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  padding: 3px 6px;
  border-radius: 2px;
  line-height: 1;
  font-weight: 600;
}
.faq__tag--hot { background: rgba(239, 68, 68, 0.1); color: #DC2626; }
.faq__tag--new { background: rgba(16, 185, 129, 0.1); color: #059669; }
.faq__q-text { flex: 1; }

/* FAQ answer enhanced */
.faq__a-list {
  list-style: none;
  padding: 0; margin: 12px 0;
}
.faq__a-list li {
  position: relative;
  padding: 8px 0 8px 24px;
  font-size: 14px;
  line-height: 1.6;
  border-bottom: 1px dashed var(--line);
}
.faq__a-list li:last-child { border-bottom: none; }
.faq__a-list li::before {
  content: '→';
  position: absolute;
  left: 0; top: 9px;
  color: var(--rust);
  font-weight: 600;
}
.faq__a-list strong {
  color: var(--ink);
  font-weight: 600;
}

/* Comparison table */
.faq__table {
  margin: 16px 0;
  border: 1px solid var(--ink);
  background: var(--paper);
}
.faq__table-row {
  display: grid;
  grid-template-columns: 100px 1fr 1fr;
  align-items: center;
  font-size: 13px;
  border-bottom: 1px solid var(--line);
  transition: background 200ms;
}
.faq__table-row:last-child { border-bottom: none; }
.faq__table-row > span {
  padding: 10px 14px;
}
.faq__table-row--head {
  background: var(--ink);
  color: var(--paper);
  font-size: 11px;
  letter-spacing: 0.1em;
  font-weight: 500;
}
.faq__table-row--head .faq__hl { color: var(--rust); }
.faq__table-label { font-weight: 500; opacity: 0.7; }
.faq__table-row .faq__hl {
  background: rgba(194, 65, 12, 0.06);
  font-weight: 600;
  color: var(--rust);
}
.faq__table-row:hover:not(.faq__table-row--head) { background: var(--paper-2); }

/* Package list */
.faq__package {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  margin: 16px 0;
}
.faq__package-item {
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px 14px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  position: relative;
  transition: all 250ms var(--ease);
}
.faq__package-item:hover {
  background: var(--paper);
  border-color: var(--rust);
  transform: translateY(-2px);
}
.faq__package-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 2px;
  background: var(--rust);
  transition: width 300ms var(--ease);
}
.faq__package-item:hover::before { width: 100%; }
.faq__package-num {
  font-size: 10px;
  font-weight: 600;
  color: var(--rust);
  letter-spacing: 0.1em;
}
.faq__package-item strong {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}
.faq__package-item span:not(.faq__package-num) {
  font-size: 11px;
  color: var(--mute);
  line-height: 1.3;
}

/* 3-card grid (for guarantees etc.) */
.faq__a-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
}
.faq__a-card {
  display: flex; flex-direction: column; gap: 4px;
  padding: 16px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  position: relative;
  transition: all 250ms var(--ease);
}
.faq__a-card:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-2px);
  border-color: var(--ink);
}
.faq__a-card:hover .faq__a-card-num { color: var(--rust); }
.faq__a-card-num {
  font-size: 10px;
  font-weight: 600;
  color: var(--mute);
  letter-spacing: 0.1em;
  transition: color 250ms;
}
.faq__a-card strong {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}
.faq__a-card span:not(.faq__a-card-num) {
  font-size: 11px;
  opacity: 0.7;
  line-height: 1.4;
}

/* Timeline */
.faq__timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
  position: relative;
}
.faq__timeline::before {
  content: '';
  position: absolute;
  top: 28px; left: 16px; right: 16px;
  height: 1.5px;
  background: var(--line);
  z-index: 0;
}
.faq__timeline-step {
  position: relative;
  display: flex; flex-direction: column; gap: 4px;
  padding: 0;
  z-index: 1;
}
.faq__timeline-step::before {
  content: '';
  display: block;
  width: 12px; height: 12px;
  background: var(--rust);
  border: 2px solid var(--paper);
  border-radius: 50%;
  margin: 22px 0 8px;
  box-shadow: 0 0 0 1.5px var(--rust);
}
.faq__timeline-time {
  font-size: 10px;
  font-weight: 600;
  color: var(--rust);
  letter-spacing: 0.15em;
}
.faq__timeline-step strong {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}
.faq__timeline-step span:not(.faq__timeline-time) {
  font-size: 11px;
  color: var(--mute);
  line-height: 1.4;
}

/* FAQ answer foot */
.faq__a-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.faq__helpful {
  display: flex; align-items: center; gap: 8px;
}
.faq__helpful-label {
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--mute);
  margin-right: 4px;
}
.faq__vote {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  font-size: 12px;
  cursor: pointer;
  transition: all 200ms var(--ease);
}
.faq__vote:hover {
  border-color: var(--ink);
  transform: translateY(-1px);
}
.faq__vote.is-on {
  background: var(--rust);
  border-color: var(--rust);
  color: var(--paper);
}
.faq__vote .mono {
  font-size: 11px;
  font-weight: 500;
}
.faq__updated {
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--mute);
}

/* Empty state */
.faq__empty {
  text-align: center;
  padding: 64px 32px;
  background: var(--paper-2);
  border: 1px dashed var(--line);
}
.faq__empty-icon {
  display: inline-flex;
  color: var(--mute);
  margin-bottom: 16px;
  opacity: 0.5;
}
.faq__empty h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 8px;
  color: var(--ink);
}
.faq__empty p {
  font-size: 13px;
  color: var(--mute);
  margin: 0 0 24px;
}
.faq__empty-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  background: var(--rust);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 250ms var(--ease);
}
.faq__empty-cta:hover {
  background: var(--ink);
  transform: translateY(-2px);
}

/* Bottom CTA grid */
.faq__bottom {
  max-width: var(--container);
  margin: 64px auto 0;
  padding-top: 48px;
  border-top: 1px solid var(--ink);
}
.faq__bottom-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--ink);
}
.faq__bottom-cell {
  display: flex; flex-direction: column; gap: 8px;
  padding: 24px 20px;
  border-left: 1px solid var(--line);
  transition: all 250ms var(--ease);
  cursor: pointer;
  position: relative;
  background: var(--paper);
}
.faq__bottom-cell:first-child { border-left: none; }
.faq__bottom-cell:hover {
  background: var(--ink);
  color: var(--paper);
}
.faq__bottom-cell--main {
  background: var(--rust);
  color: var(--paper);
}
.faq__bottom-cell--main:hover { background: var(--ink); }
.faq__bottom-icon {
  display: inline-flex;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  background: var(--paper-2);
  color: var(--ink);
  margin-bottom: 4px;
  transition: all 250ms;
}
.faq__bottom-cell:hover .faq__bottom-icon { background: var(--rust); color: var(--paper); }
.faq__bottom-cell--main .faq__bottom-icon { background: rgba(255,255,255,0.15); color: var(--paper); }
.faq__bottom-cell strong {
  font-size: 14px;
  font-weight: 500;
}
.faq__bottom-cell .mono {
  font-size: 11px;
  opacity: 0.7;
  letter-spacing: 0.05em;
}

/* Item highlight when filter active */
.faq__item.is-dim {
  opacity: 0.3;
  pointer-events: none;
  transition: opacity 250ms;
}

/* Responsive */
@media (max-width: 1024px) {
  .faq__layout { grid-template-columns: 1fr; gap: 32px; }
  .faq__side { position: static; }
  .faq__side-stats { grid-template-columns: repeat(3, 1fr); }
  .faq__side-stat:last-child { grid-column: auto; }
  .faq__side-stat strong { font-size: 18px; }
  .faq__a-grid { grid-template-columns: 1fr; }
  .faq__timeline { grid-template-columns: 1fr; gap: 16px; }
  .faq__timeline::before { display: none; }
  .faq__bottom-grid { grid-template-columns: repeat(2, 1fr); }
  .faq__bottom-cell { border-top: 1px solid var(--line); }
  .faq__bottom-cell:nth-child(3) { border-left: none; }
  .faq__table-row { grid-template-columns: 80px 1fr 1fr; }
}
@media (max-width: 768px) {
  .faq__cat-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .faq__cat-title { font-size: 18px; }
  .faq__q { padding: 16px 18px; gap: 12px; }
  .faq__q-text { font-size: 14px; }
  .faq__tags { display: none; }
  .faq__a { padding: 0 18px 18px 18px; }
  .faq__package { grid-template-columns: 1fr 1fr; }
  .faq__a-foot { flex-direction: column; align-items: flex-start; gap: 12px; }
  .faq__bottom-grid { grid-template-columns: 1fr; }
  .faq__bottom-cell { border-left: none; }
  .faq__side-stats { grid-template-columns: 1fr 1fr; }
  .faq__table-row { grid-template-columns: 1fr 1fr 1fr; font-size: 12px; }
}
@media (max-width: 480px) {
  .faq__package { grid-template-columns: 1fr; }
  .faq__table-row { grid-template-columns: 1fr; }
  .faq__table-row > span { padding: 8px 10px; }
  .faq__table-row .faq__table-label { background: var(--paper-2); font-weight: 600; }
}

/* ---- Contact trust (新) ---- */
.contact__lines {
  display: flex; flex-direction: column;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 32px;
}
.contact__line {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 14px;
  transition: background 250ms;
}
.contact__line:hover { background: rgba(255,255,255,0.03); padding-left: 8px; }
.contact__line > .mono { font-size: 10px; letter-spacing: 0.15em; opacity: 0.6; }
.contact__link {
  color: var(--paper);
  text-decoration: none;
  transition: color 250ms;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
}
.contact__link:hover { color: var(--rust); }
.contact__link--hl {
  color: var(--rust);
  font-size: 20px;
}
.contact__trust {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}
.contact__trust-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 250ms var(--ease);
}
.contact__trust-item:hover {
  background: rgba(194, 65, 12, 0.1);
  border-color: var(--rust);
  transform: translateX(4px);
}
.contact__trust-icon {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  background: var(--rust);
  color: var(--paper);
  border-radius: 50%;
  flex-shrink: 0;
}
.contact__trust-item > div {
  display: flex; flex-direction: column; gap: 2px;
}
.contact__trust-item strong {
  font-size: 13px;
  font-weight: 500;
  color: var(--paper);
  line-height: 1.4;
}
.contact__trust-item .mono {
  font-size: 9px;
  letter-spacing: 0.15em;
  opacity: 0.5;
}
.contact__form-tip {
  font-size: 10px;
  letter-spacing: 0.05em;
  opacity: 0.6;
  text-align: center;
  margin-top: 12px;
}
.contact__form-tip::before {
  content: '✓ ';
  color: var(--rust);
}
.section-head__hint {
  display: inline-block;
  margin-top: 12px;
  font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.5;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  width: 100%;
}
.section-head__hint--light { color: var(--paper); opacity: 0.6; }
@media (max-width: 768px) {
  .contact__line { grid-template-columns: 1fr; gap: 4px; }
  .contact__trust { grid-template-columns: 1fr; }
  .contact__link--hl { font-size: 18px; }
}

/* ---- Push main content down to account for live bar ---- */
body { padding-top: 36px; }
@media (max-width: 768px) {
  body { padding-top: 32px; }
}