:root {
  --ink: #120f12;
  --ink-2: #191417;
  --panel: #211b1f;
  --panel-2: #2a2025;
  --line: rgba(255, 245, 242, 0.13);
  --line-strong: rgba(255, 245, 242, 0.24);
  --paper: #fff4ef;
  --muted: #b9aaa5;
  --red: #ff2f4f;
  --red-dark: #c6102e;
  --green: #62e6a8;
  --gold: #ffd166;
  --body: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --display: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --radius: 18px;
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--paper);
  background:
    radial-gradient(circle at 78% 0%, rgba(255, 47, 79, 0.2), transparent 24rem),
    radial-gradient(circle at 0% 35%, rgba(98, 230, 168, 0.08), transparent 34rem),
    linear-gradient(180deg, #120f12 0%, #171114 46%, #120f12 100%);
  font-family: var(--body);
  line-height: 1.65;
}

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

p {
  margin: 0;
  color: var(--muted);
}

h1,
h2,
h3,
strong {
  margin: 0;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
}

.noise {
  position: fixed;
  z-index: 20;
  inset: 0;
  opacity: 0.22;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, black, transparent 86%);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--paper);
  background: var(--red);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(1220px, calc(100% - 48px));
  margin: 0 auto;
}

.section {
  padding: 108px 0;
  scroll-margin-top: 96px;
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  width: 100%;
  transition: background 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled {
  border-bottom: 1px solid var(--line);
  background: rgba(18, 15, 18, 0.82);
  backdrop-filter: blur(22px);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 188px;
  padding: 0;
  border: 0;
  background: transparent;
}

.brand-logo {
  display: block;
  width: 100%;
  height: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  color: #d9cbc7;
  font-size: 0.92rem;
  font-weight: 700;
}

.nav-more {
  display: none;
}

.nav-more-wrap {
  display: none;
}

.nav-extra-menu {
  display: none;
}

@media (max-width: 980px) and (min-width: 901px) {
  .brand {
    width: 132px;
  }

  .nav-menu {
    gap: 10px;
    font-size: 0.72rem;
  }

  .button-sm {
    min-height: 41px;
    padding: 0 11px;
  }
}

.nav-menu > a:not(.button):hover,
.footer-links a:hover {
  color: var(--red);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--paper);
  transition: transform 180ms ease;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 25px;
  border: 1px solid var(--red);
  border-radius: 999px;
  color: #fff;
  background: var(--red);
  font-weight: 900;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
  white-space: nowrap;
}

.button:hover {
  background: #ff4561;
  box-shadow: 0 0 32px rgba(255, 47, 79, 0.26);
  transform: translateY(-2px);
}

.button-sm {
  min-height: 47px;
  padding: 0 21px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(400px, 0.94fr) minmax(470px, 1fr);
  gap: 64px;
  align-items: center;
  min-height: 94vh;
  padding-top: 104px;
  padding-bottom: 20px;
}

.soon-page {
  min-height: 100vh;
}

.coming-soon {
  display: grid;
  align-content: center;
  min-height: 100vh;
  padding-top: 120px;
  padding-bottom: 80px;
}

.coming-soon h1 {
  max-width: 780px;
  margin: 20px 0 22px;
  font-family: var(--display);
  font-size: clamp(3.2rem, 8vw, 7.2rem);
  font-weight: 950;
  line-height: 0.98;
}

.coming-soon > p:not(.kicker) {
  max-width: 620px;
  color: #d5c6c2;
  font-size: clamp(1rem, 1.8vw, 1.22rem);
}

.coming-soon .hero-actions {
  margin-top: 42px;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 25px;
  color: #e6d6d2;
  font-size: 0.75rem;
  font-weight: 800;
}

.kicker span {
  width: 38px;
  height: 1px;
  background: var(--red);
}

.hero h1 {
  max-width: 650px;
  margin-bottom: 26px;
  font-family: var(--display);
  font-size: clamp(2.9rem, 5.1vw, 5.2rem);
  font-weight: 950;
  line-height: 1.02;
}

.hero-text {
  max-width: 560px;
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 27px;
  margin: 40px 0 55px;
}

.text-link {
  display: inline-flex;
  gap: 13px;
  align-items: center;
  color: var(--paper);
  font-size: 0.94rem;
  font-weight: 800;
}

.text-link span {
  color: var(--green);
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translateX(4px);
}

.headline-stats {
  display: flex;
  gap: 28px;
}

.headline-stats div {
  padding-right: 28px;
  border-right: 1px solid var(--line);
}

.headline-stats div:last-child {
  padding-right: 0;
  border: 0;
}

.headline-stats strong {
  display: block;
  margin-bottom: 4px;
  color: var(--paper);
  font-size: 1.58rem;
  font-weight: 950;
}

.headline-stats small {
  color: var(--muted);
  font-size: 0.76rem;
}

.hero-dashboard {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.05), transparent 35%),
    var(--panel);
  box-shadow: var(--shadow);
}

.dashboard-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 25px;
  color: #92827f;
  font-size: 0.67rem;
  font-weight: 800;
}

.dashboard-top p {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #dfd1cd;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 13px var(--green);
}

.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.dashboard-metrics article {
  padding: 17px 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.025);
}

.dashboard-metrics small {
  display: block;
  margin-bottom: 10px;
  color: #a99894;
  font-size: 0.7rem;
}

.dashboard-metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(1rem, 1.4vw, 1.22rem);
}

.dashboard-metrics span {
  color: #948682;
  font-size: 0.7rem;
  font-weight: 800;
}

.dashboard-metrics .metric-alert {
  border-color: rgba(255, 209, 102, 0.3);
  background: rgba(255, 209, 102, 0.055);
}

.dashboard-metrics .metric-accent {
  border-color: rgba(98, 230, 168, 0.26);
  background: rgba(98, 230, 168, 0.055);
}

.diagnosis-board {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 12px;
  margin-top: 12px;
}

.chart-card,
.note-stack article {
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.018);
}

.chart-card {
  padding: 25px 17px 9px;
}

.chart-labels {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  color: #d9cbc7;
  font-size: 0.71rem;
  font-weight: 800;
}

.legend {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #9c8d89;
}

.legend i {
  display: inline-block;
  width: 13px;
  height: 2px;
  background: var(--green);
}

.legend i:last-of-type {
  margin-left: 9px;
  background: #6b5d5b;
}

.chart-card svg {
  display: block;
  overflow: visible;
  width: 100%;
}

.grid-line {
  fill: none;
  stroke: #352b2f;
  stroke-dasharray: 3 5;
}

.chart-spend,
.chart-lead,
.chart-lead-glow {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.chart-spend {
  stroke: #736462;
}

.chart-lead-glow {
  stroke: var(--green);
  stroke-width: 11;
  opacity: 0.12;
}

.chart-lead {
  stroke: var(--green);
}

.chart-point {
  fill: var(--green);
  filter: drop-shadow(0 0 8px var(--green));
}

.note-stack {
  display: grid;
  gap: 10px;
}

.note-stack article {
  padding: 17px 16px;
}

.note-stack span {
  display: block;
  margin-bottom: 7px;
  color: var(--red);
  font-size: 0.7rem;
  font-weight: 900;
}

.note-stack strong {
  display: block;
  font-size: 0.93rem;
  line-height: 1.45;
}

.winner-card {
  position: absolute;
  right: 18px;
  bottom: 72px;
  min-width: 188px;
  padding: 15px;
  border: 1px solid rgba(255, 47, 79, 0.34);
  border-radius: 13px;
  background: #2a1d22;
  box-shadow: 0 25px 40px rgba(0, 0, 0, 0.3);
  transform: translateX(22%);
}

.winner-card p {
  margin-bottom: 6px;
  color: var(--red);
  font-size: 0.64rem;
  font-weight: 900;
}

.winner-card strong {
  display: block;
  font-size: 0.94rem;
}

.winner-card span {
  color: var(--green);
  font-size: 0.73rem;
}

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--red);
}

.ticker-track {
  display: flex;
  align-items: center;
  width: max-content;
  height: 69px;
  color: #fff;
  font-size: 0.86rem;
  font-weight: 950;
  animation: ticker 26s linear infinite;
  will-change: transform;
}

.ticker-group {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 33px;
  padding-right: 33px;
}

.ticker-track i {
  display: block;
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #fff;
}

@keyframes ticker {
  to {
    transform: translateX(-25%);
  }
}

.section-heading {
  display: grid;
  grid-template-columns: 160px minmax(300px, 640px) minmax(190px, 310px);
  gap: 30px;
  align-items: start;
  margin-bottom: 55px;
}

.label {
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 950;
}

.section-heading h2,
.calculator-copy h2,
.wechat-copy h2 {
  font-family: var(--display);
  font-size: clamp(2.05rem, 3.35vw, 3.15rem);
  font-weight: 950;
  line-height: 1.12;
}

.section-heading > p:last-child {
  padding-top: 7px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, auto);
  gap: 14px;
}

.service-card {
  position: relative;
  min-height: 250px;
  padding: 29px 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: transform 220ms ease, border-color 220ms ease;
}

.service-card:hover {
  border-color: rgba(255, 47, 79, 0.32);
  transform: translateY(-4px);
}

.service-card.feature {
  grid-row: span 2;
  min-height: 514px;
  background:
    linear-gradient(160deg, rgba(255, 47, 79, 0.16), transparent 50%),
    var(--panel);
}

.service-number,
.case-meta,
.step span {
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 950;
}

.service-card h3 {
  margin: 20px 0 13px;
  font-size: 1.35rem;
}

.audit-map {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.audit-map span {
  min-height: 78px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--paper);
  font-weight: 900;
}

.service-suite {
  display: grid;
  gap: 18px;
}

.suite-block {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(150deg, rgba(255, 47, 79, 0.07), transparent 36%),
    var(--panel);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.18);
}

.suite-title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.suite-title span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: #fff;
  background: var(--red);
  font-size: 0.88rem;
  font-weight: 950;
}

.suite-title h3 {
  font-size: clamp(1.55rem, 2.5vw, 2.25rem);
}

.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.deliverable-grid article {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 6px 16px;
  min-height: 132px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
  transition: transform 180ms ease, border-color 180ms ease;
}

.deliverable-grid article:hover {
  border-color: rgba(98, 230, 168, 0.28);
  transform: translateY(-3px);
}

.deliverable-grid article span {
  grid-row: span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(98, 230, 168, 0.38);
  border-radius: 50%;
  color: var(--green);
  font-weight: 950;
}

.deliverable-grid strong {
  color: var(--paper);
  font-size: 1.08rem;
}

.deliverable-grid p {
  font-size: 0.92rem;
  line-height: 1.55;
}

.suite-columns {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.reason-list {
  display: grid;
  gap: 13px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.reason-list li {
  position: relative;
  padding: 18px 20px 18px 52px;
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--paper);
  background: rgba(255, 255, 255, 0.035);
  font-weight: 800;
}

.reason-list li::before {
  position: absolute;
  top: 19px;
  left: 20px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  color: #111;
  background: var(--green);
  font-size: 0.86rem;
  font-weight: 950;
  line-height: 20px;
  text-align: center;
  content: "✓";
}

.price-block {
  display: flex;
  flex-direction: column;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.price-grid article {
  min-height: 150px;
  padding: 22px;
  border: 1px solid rgba(255, 47, 79, 0.24);
  border-radius: 18px;
  background: rgba(255, 47, 79, 0.065);
}

.price-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-weight: 900;
}

.price-grid strong {
  color: var(--paper);
  font-size: clamp(2.15rem, 4vw, 3.4rem);
  line-height: 1;
}

.limit-pill {
  align-self: center;
  width: fit-content;
  padding: 10px 24px;
  margin-top: 22px;
  border-radius: 999px;
  color: #111;
  background: var(--green);
  font-weight: 950;
}

.cases {
  background:
    linear-gradient(180deg, rgba(255, 47, 79, 0.07), transparent 26%),
    rgba(255, 244, 239, 0.025);
}

.case-carousel {
  display: grid;
  gap: 18px;
}

.case-carousel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.case-carousel-top p {
  color: #e7d6d2;
  font-weight: 900;
}

.case-controls {
  display: flex;
  gap: 10px;
}

.case-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--paper);
  background: rgba(255, 255, 255, 0.04);
  font-size: 1.25rem;
  font-weight: 950;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.case-control:hover {
  border-color: rgba(255, 47, 79, 0.4);
  background: rgba(255, 47, 79, 0.12);
  transform: translateY(-2px);
}

.case-control:disabled {
  cursor: not-allowed;
  opacity: 0.36;
  transform: none;
}

.case-track {
  display: grid;
  grid-auto-columns: calc((100% - 18px) / 2);
  grid-auto-flow: column;
  gap: 18px;
  padding: 2px 0 12px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.case-track::-webkit-scrollbar {
  display: none;
}

.case-card {
  display: flex;
  flex-direction: column;
  min-height: 385px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #181316;
  scroll-snap-align: start;
}

.case-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: #e7d6d2;
}

.case-card h3 {
  margin: 28px 0 22px;
  font-size: 1.35rem;
  line-height: 1.36;
}

.case-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.case-results strong {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--green);
  background: rgba(98, 230, 168, 0.055);
  font-size: 1.28rem;
}

.case-results small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
}

.case-card a {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  margin-top: auto;
  color: var(--paper);
  font-weight: 900;
}

.case-card a span {
  color: var(--red);
}

.case-image-card {
  min-height: auto;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015)),
    #181316;
}

.case-title {
  display: block;
  padding: 16px 4px 4px;
  color: var(--paper);
  font-size: 1.22rem;
  line-height: 1.25;
}

.case-image {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
}

.case-story {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}

.case-window {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.case-window span {
  padding: 9px 10px;
  border: 1px solid rgba(255, 244, 239, 0.11);
  border-radius: 12px;
  color: #d9cbc7;
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.75rem;
  font-weight: 850;
  line-height: 1.35;
}

.case-change {
  display: grid;
  gap: 9px;
}

.case-change p {
  padding: 12px 13px;
  border-left: 2px solid rgba(255, 47, 79, 0.72);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.035);
  color: #cdbebb;
  font-size: 0.86rem;
  line-height: 1.55;
}

.case-change p:last-child {
  border-left-color: rgba(98, 230, 168, 0.8);
}

.case-change b {
  display: block;
  margin-bottom: 2px;
  color: var(--paper);
  font-size: 0.78rem;
}

.case-impact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.case-impact strong {
  display: block;
  padding: 13px;
  border: 1px solid rgba(98, 230, 168, 0.24);
  border-radius: 13px;
  color: var(--green);
  background:
    linear-gradient(145deg, rgba(98, 230, 168, 0.1), rgba(255, 255, 255, 0.025));
  font-size: clamp(0.95rem, 1.45vw, 1.16rem);
  line-height: 1.25;
}

.case-impact small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 750;
}

.case-cta {
  width: fit-content;
  padding: 10px 13px;
  border: 1px solid rgba(255, 47, 79, 0.22);
  border-radius: 999px;
  background: rgba(255, 47, 79, 0.08);
}

.case-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.case-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 244, 239, 0.28);
  transition: width 180ms ease, background 180ms ease;
}

.case-dot.is-active {
  width: 26px;
  background: var(--red);
}

.testimonials {
  margin-top: 84px;
}

.testimonial-heading {
  display: grid;
  grid-template-columns: 140px minmax(280px, 560px) minmax(220px, 340px);
  gap: 28px;
  align-items: start;
  margin-bottom: 34px;
}

.testimonial-heading h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 950;
  line-height: 1.12;
}

.testimonial-heading p:last-child {
  padding-top: 4px;
}

.testimonial-marquee {
  position: relative;
  overflow: hidden;
  padding: 34px 0 44px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    radial-gradient(circle at 50% 50%, rgba(98, 230, 168, 0.13), transparent 19rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
  cursor: default;
  touch-action: pan-y;
  user-select: none;
}

.testimonial-marquee::before,
.testimonial-marquee::after {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 3;
  width: min(120px, 18vw);
  pointer-events: none;
  content: "";
}

.testimonial-marquee::before {
  left: 0;
  background: linear-gradient(90deg, #1a1418, rgba(26, 20, 24, 0));
}

.testimonial-marquee::after {
  right: 0;
  background: linear-gradient(270deg, #1a1418, rgba(26, 20, 24, 0));
}

.testimonial-track {
  display: flex;
  gap: 22px;
  align-items: center;
  width: max-content;
  will-change: transform;
}

.testimonial-card {
  flex: 0 0 clamp(210px, 24vw, 300px);
  padding: 10px;
  border: 1px solid rgba(255, 244, 239, 0.12);
  border-radius: 28px;
  background: rgba(18, 15, 18, 0.72);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.28);
  opacity: 0.62;
  pointer-events: none;
  transform: scale(var(--testimonial-scale, 0.9));
  transform-origin: center center;
  transition: opacity 160ms linear, transform 160ms linear, border-color 160ms linear;
}

.testimonial-card.is-center {
  border-color: rgba(98, 230, 168, 0.36);
  opacity: 1;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.4);
}

.testimonial-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
  background: #fff;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.step {
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.step h3 {
  margin: 42px 0 14px;
  font-size: 1.35rem;
}

.calculator {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(98, 230, 168, 0.1), rgba(255, 47, 79, 0.08));
}

.calculator-layout,
.wechat-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(420px, 1fr);
  gap: 64px;
  align-items: center;
}

.wechat-layout {
  display: flex;
  justify-content: center;
}

.calculator-copy p:not(.label),
.wechat-copy p:not(.label) {
  max-width: 520px;
  margin-top: 22px;
}

.disclaimer {
  color: #8e7e7a;
  font-size: 0.86rem;
}

.calculator-panel,
.wechat-card {
  padding: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background: rgba(18, 15, 18, 0.78);
  box-shadow: var(--shadow);
}

.calculator-panel label {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
  color: var(--paper);
  font-weight: 900;
}

.calculator-panel output {
  color: var(--green);
}

.calculator-panel input[type="range"] {
  width: 100%;
  height: 6px;
  margin: 0 0 27px;
  accent-color: var(--red);
}

.projection {
  padding: 24px;
  border-radius: 18px;
  background: var(--red);
}

.projection p,
.projection span {
  color: rgba(255, 255, 255, 0.78);
}

.projection strong {
  display: block;
  margin: 7px 0 4px;
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
}

.quote {
  padding-top: 124px;
  padding-bottom: 68px;
}

.quote blockquote {
  max-width: 980px;
  margin: 0 0 32px;
  font-size: clamp(2.05rem, 4.3vw, 4.45rem);
  font-weight: 950;
  line-height: 1.18;
}

.quote-author {
  display: flex;
  gap: 18px;
  align-items: center;
}

.quote-author strong {
  color: var(--green);
}

.quote-author span {
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--panel);
}

summary {
  padding: 22px 24px;
  font-weight: 900;
  list-style: none;
  cursor: pointer;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  float: right;
  color: var(--red);
  content: "+";
}

details[open] summary::after {
  content: "-";
}

details p {
  padding: 0 24px 23px;
}

.wechat {
  background:
    radial-gradient(circle at 72% 44%, rgba(255, 47, 79, 0.2), transparent 24rem),
    #171114;
}

.contact-detail {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.contact-detail span {
  width: fit-content;
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper);
  background: rgba(255, 255, 255, 0.035);
  font-weight: 800;
}

.contact-detail b {
  color: var(--green);
}

.wechat-card {
  display: grid;
  justify-items: center;
  width: min(760px, 100%);
  text-align: center;
}

.contact-card {
  position: relative;
  gap: 16px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 16%, rgba(98, 230, 168, 0.16), transparent 13rem),
    linear-gradient(145deg, rgba(35, 28, 34, 0.92), rgba(18, 15, 18, 0.86));
}

.contact-card::before {
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255, 245, 242, 0.08);
  border-radius: 19px;
  pointer-events: none;
  content: "";
}

.proof-card {
  justify-items: stretch;
  text-align: left;
}

.qr-shell {
  position: relative;
  isolation: isolate;
  width: min(310px, 100%);
  padding: 16px;
  border: 1px solid rgba(255, 245, 242, 0.16);
  border-radius: 30px;
  background:
    linear-gradient(150deg, rgba(255, 47, 79, 0.16), transparent 38%),
    rgba(255, 255, 255, 0.045);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.35);
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

.qr-frame {
  position: relative;
  padding: 13px;
  border: 1px solid rgba(255, 245, 242, 0.2);
  border-radius: 23px;
  background: #fff4ef;
}

.qr-frame::before {
  position: absolute;
  top: 13px;
  right: 13px;
  left: 13px;
  z-index: 1;
  height: 26px;
  border-radius: 14px 14px 0 0;
  background: #fff;
  pointer-events: none;
  content: "";
}

.qr-frame::after {
  position: absolute;
  inset: 13px;
  z-index: 2;
  border: 2px solid rgba(255, 47, 79, 0.22);
  border-radius: 14px;
  pointer-events: none;
  content: "";
}

.wechat-qr {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 14px;
  object-fit: contain;
  background: #fff;
  -webkit-touch-callout: default;
}

.qr-hint {
  display: block;
  margin-top: 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
}

.qr-shell.is-pressing .qr-hint,
.is-wechat .qr-hint {
  color: #fff;
}

.qr-shell.is-pressing::after,
.is-wechat .qr-shell::after {
  position: absolute;
  right: 28px;
  bottom: 56px;
  z-index: 1;
  max-width: calc(100% - 56px);
  padding: 9px 13px;
  border: 1px solid rgba(98, 230, 168, 0.36);
  border-radius: 999px;
  color: #fff;
  background: rgba(18, 15, 18, 0.88);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.34);
  font-size: 0.75rem;
  font-weight: 900;
  content: "长按二维码识别添加";
}

.wechat-id {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: min(430px, 100%);
  min-height: 58px;
  padding: 10px 14px;
  border: 1px solid rgba(98, 230, 168, 0.32);
  border-radius: 16px;
  color: var(--paper);
  background: rgba(98, 230, 168, 0.08);
  text-align: left;
}

.wechat-id:hover {
  border-color: rgba(98, 230, 168, 0.54);
  background: rgba(98, 230, 168, 0.12);
}

.wechat-id span,
.wechat-id em {
  color: var(--muted);
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 850;
}

.wechat-id b {
  overflow: hidden;
  color: #fff;
  font-size: 1.02rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.copy-toast {
  position: fixed;
  z-index: 80;
  right: 22px;
  bottom: 22px;
  max-width: min(360px, calc(100% - 44px));
  padding: 12px 16px;
  border: 1px solid rgba(98, 230, 168, 0.35);
  border-radius: 999px;
  color: #fff;
  background: rgba(18, 15, 18, 0.92);
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.36);
  font-size: 0.86rem;
  font-weight: 900;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.copy-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.qr-placeholder {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  width: min(290px, 100%);
  aspect-ratio: 1;
  padding: 22px;
  border: 14px solid #fff;
  border-radius: 20px;
  background:
    linear-gradient(90deg, #141014 50%, transparent 0) 0 0 / 32px 32px,
    linear-gradient(#141014 50%, transparent 0) 0 0 / 32px 32px,
    #fff;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.32);
}

.qr-placeholder span {
  border: 10px solid #141014;
  border-radius: 10px;
  background: #fff;
}

.qr-placeholder span:nth-child(1) {
  grid-column: 1 / span 2;
  grid-row: 1 / span 2;
}

.qr-placeholder span:nth-child(2) {
  grid-column: 5 / span 2;
  grid-row: 1 / span 2;
}

.qr-placeholder span:nth-child(3) {
  grid-column: 1 / span 2;
  grid-row: 5 / span 2;
}

.qr-placeholder span:nth-child(4) {
  grid-column: 4 / span 2;
  grid-row: 4 / span 2;
  border-color: var(--red);
}

.qr-placeholder i {
  min-height: 22px;
  border-radius: 5px;
  background: #141014;
}

.wechat-card p {
  margin-top: 24px;
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 950;
}

.contact-card p {
  margin-top: 0;
}

.wechat-card strong {
  display: block;
  margin: 7px 0 22px;
  font-size: 1.25rem;
}

.contact-card strong {
  max-width: 430px;
  margin: 0;
}

.proof-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0 0 24px;
  list-style: none;
}

.proof-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 6px 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
}

.proof-list.compact {
  width: min(430px, 100%);
  margin-top: 2px;
  margin-bottom: 0;
}

.proof-list.compact li {
  grid-template-columns: auto 1fr;
  padding: 12px 14px;
}

.proof-list span {
  grid-row: span 2;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 950;
}

.proof-list b {
  color: var(--paper);
}

.proof-list em {
  color: var(--muted);
  font-size: 0.88rem;
  font-style: normal;
  line-height: 1.55;
}

.site-footer {
  padding: 34px 0 42px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1.2fr;
  gap: 30px;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 0.9rem;
}

.mobile-cta {
  display: none;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 640ms ease, transform 640ms ease;
}

.delay-1.is-visible {
  transition-delay: 110ms;
}

.delay-2.is-visible {
  transition-delay: 190ms;
}

.delay-3.is-visible {
  transition-delay: 270ms;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  .hero,
  .calculator-layout,
  .wechat-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy {
    max-width: 760px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .testimonial-heading {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .service-grid,
  .suite-columns,
  .steps,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .case-track {
    grid-auto-columns: calc((100% - 18px) / 2);
  }

  .service-card.feature {
    grid-row: auto;
    min-height: 360px;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 900px) {
  body {
    padding-bottom: 76px;
  }

  .shell {
    width: min(100% - 32px, 1220px);
  }

  .section {
    padding: 74px 0;
  }

  .nav {
    gap: 12px;
    justify-content: flex-start;
    height: 70px;
  }

  .brand {
    flex: 0 0 auto;
    width: 120px;
  }

  .nav-toggle {
    display: none;
  }

  .nav-toggle[aria-expanded="true"] {
    border-color: rgba(255, 47, 79, 0.42);
    background: rgba(255, 47, 79, 0.12);
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    transform: translateY(-4px) rotate(-45deg);
  }

  .nav-menu {
    position: static;
    flex: 1 1 auto;
    display: flex;
    width: auto;
    min-width: 0;
    gap: 6px;
    padding: 0 0 0 4px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    overflow: visible;
    pointer-events: auto;
  }

  .nav-more-wrap {
    position: static;
    flex: 0 0 auto;
    display: block;
  }

  .nav-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-height: 34px;
    padding: 7px 10px;
    border: 1px solid rgba(98, 230, 168, 0.26);
    border-radius: 999px;
    color: #f2e7e3;
    background: rgba(98, 230, 168, 0.08);
    font-size: 0.68rem;
    font-weight: 950;
    line-height: 1;
    transition: border-color 180ms ease, background 180ms ease;
    white-space: nowrap;
    cursor: pointer;
    list-style: none;
  }

  .nav-more::-webkit-details-marker {
    display: none;
  }

  .nav-more span {
    color: var(--green);
    font-size: 0.76rem;
    transition: transform 180ms ease;
  }

  .nav-more-wrap[open] .nav-more,
  .nav-more-wrap:focus-within .nav-more,
  .nav-more-wrap.is-open .nav-more {
    border-color: rgba(98, 230, 168, 0.5);
    background: rgba(98, 230, 168, 0.14);
  }

  .nav-more-wrap[open] .nav-more span,
  .nav-more-wrap:focus-within .nav-more span,
  .nav-more-wrap.is-open .nav-more span {
    transform: rotate(90deg);
  }

  .nav-extra-menu {
    position: absolute;
    z-index: 35;
    top: 58px;
    right: 0;
    display: grid;
    width: min(220px, calc(100vw - 32px));
    gap: 8px;
    padding: 10px;
    border: 1px solid rgba(255, 244, 239, 0.16);
    border-radius: 14px;
    background:
      linear-gradient(140deg, rgba(255, 47, 79, 0.14), transparent 55%),
      rgba(18, 15, 18, 0.96);
    box-shadow: 0 22px 56px rgba(0, 0, 0, 0.34);
    backdrop-filter: blur(20px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
    visibility: hidden;
  }

  .nav-more-wrap[open] .nav-extra-menu,
  .nav-more-wrap:focus-within .nav-extra-menu,
  .nav-more-wrap.is-open .nav-extra-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .nav-extra-menu a {
    display: flex;
    align-items: center;
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid rgba(255, 244, 239, 0.12);
    border-radius: 11px;
    color: var(--paper);
    background: rgba(255, 255, 255, 0.045);
    font-size: 0.78rem;
    font-weight: 950;
  }

  .nav-menu a {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 7px 10px;
    border: 1px solid rgba(255, 244, 239, 0.12);
    border-radius: 999px;
    color: #f2e7e3;
    background: rgba(255, 255, 255, 0.045);
    font-size: 0.68rem;
    font-weight: 950;
    line-height: 1;
    white-space: nowrap;
    transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
  }

  .nav-menu::-webkit-scrollbar {
    display: none;
  }

  .nav-menu a:hover {
    border-color: rgba(98, 230, 168, 0.34);
    background: rgba(98, 230, 168, 0.08);
    transform: translateY(-1px);
  }

  .nav-menu .button {
    display: none;
  }

  .nav-menu a:nth-of-type(n + 4):not(.button) {
    display: none;
  }

  .nav-menu a[href="#faq"] {
    min-height: 34px;
  }

  .hero {
    gap: 36px;
    padding-top: 112px;
    padding-bottom: 48px;
  }

  html {
    scroll-padding-top: 86px;
  }

  .section,
  #next-step {
    scroll-margin-top: 86px;
  }

  .hero h1 {
    font-size: clamp(2.25rem, 9.8vw, 3.25rem);
    line-height: 1.06;
  }

  .hero-actions,
  .quote-author {
    align-items: stretch;
    flex-direction: column;
  }

  .headline-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .headline-stats div {
    min-width: 0;
    padding: 12px 10px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.035);
  }

  .headline-stats div:last-child {
    padding: 12px 10px;
    border: 1px solid var(--line);
  }

  .headline-stats strong {
    font-size: 1.22rem;
  }

  .headline-stats small {
    display: block;
    font-size: 0.68rem;
    line-height: 1.35;
  }

  .hero-dashboard {
    padding: 18px;
    border-radius: 22px;
  }

  .dashboard-metrics,
  .diagnosis-board,
  .service-grid,
  .suite-columns,
  .deliverable-grid,
  .price-grid,
  .steps,
  .calculator-layout,
  .wechat-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .chart-labels,
  .case-meta,
  .calculator-panel label {
    flex-direction: column;
  }

  .winner-card {
    position: static;
    margin-top: 12px;
    transform: none;
  }

  .ticker-track {
    height: 56px;
  }

  .service-card,
  .service-card.feature,
  .case-card,
  .step {
    min-height: auto;
  }

  .audit-map {
    position: static;
    margin-top: 28px;
  }

  .case-results {
    grid-template-columns: 1fr;
  }

  .case-window,
  .case-impact {
    grid-template-columns: 1fr;
  }

  .case-carousel-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .case-track {
    grid-auto-columns: minmax(280px, 88%);
  }

  .testimonials {
    margin-top: 58px;
  }

  .testimonial-marquee {
    padding: 26px 0 34px;
    border-radius: 22px;
  }

  .testimonial-track {
    gap: 14px;
  }

  .testimonial-card {
    flex-basis: min(250px, 70vw);
    padding: 8px;
  }

  .quote {
    padding-top: 90px;
  }

  .quote blockquote {
    font-size: clamp(2rem, 10vw, 3.25rem);
  }

  .wechat-card,
  .calculator-panel {
    padding: 22px;
  }

  .mobile-cta {
    position: fixed;
    z-index: 40;
    right: 16px;
    bottom: 16px;
    left: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    border-radius: 999px;
    color: #fff;
    background: var(--red);
    box-shadow: 0 16px 36px rgba(255, 47, 79, 0.28);
    font-weight: 950;
  }

  .copy-toast {
    right: 16px;
    bottom: 84px;
    left: 16px;
    max-width: none;
    border-radius: 18px;
    text-align: center;
  }
}

@media (max-width: 430px) {
  .brand {
    width: 76px;
  }

  .nav {
    gap: 8px;
  }

  .nav-menu {
    gap: 5px;
    padding-left: 2px;
  }

  .nav-more {
    min-height: 31px;
    padding: 6px 8px;
    font-size: 0.62rem;
  }

  .nav-menu a {
    min-height: 31px;
    padding: 6px 8px;
    font-size: 0.62rem;
  }

  .nav-menu a[href="#faq"] {
    min-height: 31px;
  }

  .button {
    width: 100%;
    padding: 0 18px;
    white-space: normal;
    text-align: center;
  }

  .contact-detail span {
    width: 100%;
    border-radius: 16px;
  }
}