:root {
  --ink: #18243a;
  --ink-soft: #40506a;
  --muted: #728098;
  --line: #e1e8f2;
  --paper: #ffffff;
  --paper-soft: #f7f9fd;
  --paper-blue: #f1f5fc;
  --blue: #6071ec;
  --blue-deep: #4e5edb;
  --blue-soft: #edf0ff;
  --cyan: #2bb9c8;
  --cyan-soft: #e8fafb;
  --shadow-sm: 0 12px 34px rgba(39, 60, 99, 0.07);
  --shadow-md: 0 28px 70px rgba(37, 56, 94, 0.12);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 32px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  left: 16px;
  top: -80px;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 16px;
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: 78px;
  border-bottom: 1px solid rgba(225, 232, 242, 0.82);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}

.brand-logo {
  display: block;
  flex: 0 0 auto;
  width: 30px;
  height: auto;
  max-height: 40px;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-copy strong {
  font-size: 20px;
  letter-spacing: -.5px;
  font-weight: 900;
}

.brand-copy strong em {
  color: var(--blue);
  font-style: normal;
}

.brand-copy small {
  margin-top: 6px;
  color: #7f8ba0;
  font-size: 9px;
  letter-spacing: .08em;
  font-weight: 700;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.primary-nav a {
  position: relative;
  color: #4d5d74;
  font-size: 14px;
  font-weight: 700;
  transition: color .2s ease;
}

.primary-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: -11px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transition: left .2s ease, right .2s ease;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--blue-deep);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
  left: 0;
  right: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.text-link {
  font-size: 13px;
  color: #57677d;
  font-weight: 750;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 850;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-small {
  height: 40px;
  padding: 0 17px;
  font-size: 12px;
}

.button-large {
  min-height: 52px;
  padding: 0 22px;
  font-size: 14px;
}

.button-primary {
  color: #fff;
  background: linear-gradient(120deg, #5d70ed, #6878eb 60%, #51a8ce);
  box-shadow: 0 12px 26px rgba(83, 103, 220, .24);
}

.button-primary:hover {
  box-shadow: 0 16px 34px rgba(83, 103, 220, .32);
}

.button-quiet {
  color: #4c5c73;
  border-color: #dce5f0;
  background: rgba(255,255,255,.84);
}

.button-quiet:hover {
  border-color: #bfcae0;
  box-shadow: var(--shadow-sm);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 17px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  padding: 72px 0 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(81, 196, 206, .11), transparent 27%),
    radial-gradient(circle at 13% 7%, rgba(99, 117, 238, .11), transparent 24%),
    linear-gradient(180deg, #fbfcff 0%, #f7f9fe 76%, #ffffff 100%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(2px);
}

.hero-orb-one {
  width: 420px;
  height: 420px;
  right: -120px;
  top: 90px;
  background: radial-gradient(circle, rgba(46, 190, 200, .15), transparent 65%);
}

.hero-orb-two {
  width: 500px;
  height: 500px;
  left: -230px;
  top: 120px;
  background: radial-gradient(circle, rgba(100, 117, 238, .14), transparent 68%);
}

.hero-grid-lines {
  position: absolute;
  width: 720px;
  height: 600px;
  right: -35px;
  top: 30px;
  background-image:
    linear-gradient(rgba(100, 117, 238, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 117, 238, .055) 1px, transparent 1px);
  background-size: 38px 38px;
  transform: rotate(-5deg);
  mask-image: radial-gradient(circle at 50% 45%, #000, transparent 70%);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 38px;
  min-height: 590px;
}

.hero-copy {
  padding: 18px 0 40px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #5b6cdd;
  font-size: 10px;
  line-height: 1.3;
  letter-spacing: .15em;
  font-weight: 900;
}

.eyebrow {
  padding: 8px 12px;
  border: 1px solid rgba(96,113,236,.16);
  border-radius: 999px;
  background: rgba(255,255,255,.72);
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(43,185,200,.09);
}

.hero h1 {
  margin: 25px 0 24px;
  color: #18243a;
  font-size: clamp(50px, 4.8vw, 68px);
  line-height: 1.08;
  letter-spacing: -.055em;
  font-weight: 950;
}

.gradient-text {
  white-space: nowrap;
  color: transparent;
  background: linear-gradient(90deg, #5e6fe8 0%, #6b70e8 45%, #28b2c2 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-lead {
  max-width: 590px;
  margin: 0;
  color: #5f6e84;
  font-size: 17px;
  line-height: 1.82;
  font-weight: 500;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  max-width: 570px;
  margin: 28px 0 0;
}

.hero-points span {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #3e4f67;
  font-size: 13px;
  font-weight: 750;
}

.hero-points i {
  color: var(--blue);
  font-size: 9px;
  font-style: normal;
  font-weight: 950;
  letter-spacing: .06em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.engine-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 30px;
}

.engine-line-label {
  color: #8794a7;
  font-size: 10px;
  font-weight: 750;
}

.engine-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.engine-pills span {
  padding: 5px 8px;
  border: 1px solid #e0e7f2;
  border-radius: 7px;
  background: rgba(255,255,255,.66);
  color: #728097;
  font-size: 9px;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  height: 560px;
  min-width: 0;
}

.visual-halo {
  position: absolute;
  width: 470px;
  height: 470px;
  right: 10px;
  top: 25px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(98,115,244,.12), rgba(47,186,199,.06) 45%, transparent 72%);
  filter: blur(4px);
}

.float-card {
  position: absolute;
  border: 1px solid rgba(213,223,237,.9);
  background: rgba(255,255,255,.93);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(14px);
}

.float-card-main {
  width: 630px;
  height: 406px;
  right: -70px;
  top: 76px;
  border-radius: 19px;
  overflow: hidden;
  transform: rotate(-1.5deg);
  animation: floatMain 7s ease-in-out infinite;
}

.browser-bar {
  height: 35px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 13px;
  border-bottom: 1px solid #e5ebf3;
  background: #fbfcff;
}

.browser-dots {
  display: flex;
  gap: 4px;
}

.browser-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #d4dbe7;
}

.browser-dots i:first-child { background: #efb3b3; }
.browser-dots i:nth-child(2) { background: #efd797; }
.browser-dots i:last-child { background: #a8dbc8; }

.browser-url {
  min-width: 0;
  flex: 1;
  color: #8b97aa;
  font-size: 8px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.browser-badge {
  color: var(--cyan);
  font-size: 7px;
  font-weight: 950;
  letter-spacing: .12em;
}

.float-card-main img {
  display: block;
  width: 100%;
  height: calc(100% - 35px);
  object-fit: cover;
  object-position: left top;
}

.float-card-score {
  width: 220px;
  left: -15px;
  top: 12px;
  padding: 16px;
  border-radius: 16px;
  animation: floatCard 6.5s ease-in-out infinite;
}

.float-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #4d5e74;
  font-size: 10px;
  font-weight: 850;
}

.live-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #2a9aa4;
  font-size: 8px;
}

.live-pill i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

.score-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: 15px;
}

.score-row strong {
  display: block;
  color: #24344c;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -1.5px;
}

.score-row strong span {
  margin-left: 2px;
  color: #93a0b2;
  font-size: 13px;
}

.score-row small {
  display: block;
  margin-top: 6px;
  color: #8996a8;
  font-size: 8px;
  font-weight: 700;
}

.tiny-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  width: 84px;
  height: 42px;
}

.tiny-bars i {
  flex: 1;
  min-height: 8px;
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, #7d8af4, #d8ddff);
}

.score-meta {
  display: flex;
  gap: 12px;
  margin-top: 13px;
  color: #7e8b9f;
  font-size: 8px;
  font-weight: 700;
}

.dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 4px;
  border-radius: 50%;
}

.dot.blue { background: var(--blue); }
.dot.cyan { background: var(--cyan); }

.float-card-proof {
  right: -34px;
  bottom: 47px;
  min-width: 260px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 17px;
  border-radius: 15px;
  animation: floatProof 7.5s ease-in-out infinite;
}

.proof-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, #e9edff, #e2fafb);
  color: #576be0;
  font-size: 14px;
  font-weight: 900;
}

.float-card-proof strong {
  display: block;
  color: #34445b;
  font-size: 11px;
  font-weight: 900;
}

.float-card-proof small {
  display: block;
  margin-top: 4px;
  color: #8995a6;
  font-size: 8px;
  font-weight: 650;
}

.floating-ring {
  position: absolute;
  border: 1px solid rgba(98,115,244,.15);
  border-radius: 50%;
  pointer-events: none;
}

.ring-one {
  width: 96px;
  height: 96px;
  right: -2px;
  top: 25px;
  box-shadow: inset 0 0 0 16px rgba(255,255,255,.16);
}

.ring-two {
  width: 72px;
  height: 72px;
  left: 80px;
  bottom: 20px;
  border-color: rgba(47,186,199,.16);
}

.trust-strip {
  position: relative;
  z-index: 2;
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 28px;
  border-top: 1px solid #e2e9f2;
}

.trust-label {
  flex: 0 0 auto;
  color: #8a97aa;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .05em;
}

.trust-items {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  gap: 12px;
}

.trust-items span {
  position: relative;
  color: #52637a;
  font-size: 11px;
  font-weight: 800;
}

.trust-items span:not(:last-child)::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  right: -20px;
  top: 50%;
  background: #c3d0e1;
  transform: translateY(-50%);
}

.section {
  padding: 118px 0;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 48px;
}

.section-heading > div {
  max-width: 680px;
}

.section-heading h2,
.workflow-copy h2,
.evidence-copy h2,
.faq-copy h2,
.final-cta h2 {
  margin: 13px 0 0;
  font-size: clamp(36px, 4vw, 54px);
  line-height: 1.15;
  letter-spacing: -.045em;
  font-weight: 950;
}

.section-heading > p {
  max-width: 410px;
  margin: 0 0 4px;
  color: #68778e;
  font-size: 14px;
  line-height: 1.85;
  font-weight: 500;
}

.section-heading.centered {
  display: block;
  max-width: 780px;
  margin: 0 auto 54px;
  text-align: center;
}

.section-heading.centered > p {
  max-width: 610px;
  margin: 17px auto 0;
}

.section-problem {
  background: #fff;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.problem-card {
  position: relative;
  min-height: 230px;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.problem-card::after {
  content: "";
  position: absolute;
  width: 150px;
  height: 150px;
  right: -60px;
  top: -70px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(98,115,244,.11), transparent 72%);
}

.problem-card:hover {
  transform: translateY(-5px);
  border-color: #ccd7ec;
  box-shadow: var(--shadow-sm);
}

.problem-number {
  color: #9aa7b9;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .13em;
}

.problem-card h3 {
  margin: 28px 0 0;
  font-size: 23px;
  font-weight: 900;
  letter-spacing: -.4px;
}

.problem-card p {
  margin: 12px 0 0;
  color: #6e7d92;
  font-size: 13px;
  line-height: 1.75;
}

.problem-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 25px;
  padding-top: 15px;
  border-top: 1px solid #edf1f6;
}

.problem-line span {
  color: #92a0b1;
  font-size: 10px;
  font-weight: 750;
}

.problem-line strong {
  color: #5a6cdc;
  font-size: 12px;
  font-weight: 900;
}

.section-capabilities {
  background:
    radial-gradient(circle at 100% 10%, rgba(47,186,199,.06), transparent 25%),
    linear-gradient(180deg, #f8fafd 0%, #f4f8fd 100%);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.capability-card {
  position: relative;
  min-height: 365px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 32px;
  border: 1px solid #dfe7f2;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.92);
  box-shadow: 0 8px 28px rgba(44,65,103,.035);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}

.capability-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.capability-copy {
  position: relative;
  z-index: 2;
  width: 54%;
}

.card-index {
  color: #7b8be1;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .13em;
}

.capability-card h3 {
  margin: 17px 0 0;
  font-size: 28px;
  line-height: 1.22;
  letter-spacing: -.6px;
  font-weight: 950;
}

.capability-card p {
  margin: 13px 0 0;
  color: #6d7b90;
  font-size: 13px;
  line-height: 1.75;
}

.check-list {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 17px;
  color: #506177;
  font-size: 11px;
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(43,185,200,.09);
}

.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  color: #5a6cdf;
  font-size: 12px;
  font-weight: 850;
}

.inline-link span {
  transition: transform .2s ease;
}

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

.capability-art {
  position: relative;
  width: 44%;
  flex: 0 0 44%;
  min-height: 270px;
}

.art-monitor {
  display: grid;
  place-items: center;
}

.art-monitor::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(98,115,244,.12), transparent 66%);
}

.mini-window {
  position: relative;
  width: 280px;
  padding: 12px;
  border: 1px solid #dde5f1;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 20px 45px rgba(48,70,109,.12);
  transform: rotate(1.8deg);
}

.mini-window-top {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #92a0b2;
  font-size: 6px;
  font-weight: 850;
  letter-spacing: .1em;
}

.mini-window-top i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #d5ddea;
}

.mini-window-top span {
  margin-left: auto;
}

.mini-metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 12px;
}

.mini-metric-row > div {
  padding: 9px 8px;
  border-radius: 9px;
  background: #f7f9fd;
}

.mini-metric-row small {
  display: block;
  color: #97a3b4;
  font-size: 6px;
  font-weight: 750;
}

.mini-metric-row strong {
  display: inline-block;
  margin-top: 5px;
  color: #283851;
  font-size: 17px;
  line-height: 1;
}

.mini-metric-row span {
  margin-left: 3px;
  color: #2b9faa;
  font-size: 6px;
  font-weight: 850;
}

.mini-chart {
  margin-top: 10px;
  padding: 8px 4px 0;
  border-top: 1px solid #edf1f6;
}

.mini-chart svg {
  width: 100%;
  height: 74px;
}

.art-diagnose {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
}

.diagnose-stack {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  transform: rotate(-1.3deg);
}

.stack-card {
  position: relative;
  width: 31%;
  min-height: 135px;
  padding: 14px 11px;
  border: 1px solid #dfe7f1;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(53,73,109,.08);
}

.stack-card:nth-child(2) {
  top: 18px;
}

.stack-card:nth-child(3) {
  top: 38px;
}

.stack-card span {
  color: #7b899d;
  font-size: 8px;
  font-weight: 800;
}

.stack-card b {
  display: block;
  margin-top: 19px;
  color: #2b3a52;
  font-size: 25px;
  line-height: 1;
}

.stack-card i {
  display: inline-block;
  margin-top: 13px;
  padding: 3px 5px;
  border-radius: 5px;
  background: #f1f4f9;
  color: #7c8a9e;
  font-size: 6px;
  font-style: normal;
  font-weight: 800;
}

.stack-card.accent {
  border-color: rgba(98,115,244,.22);
  background: linear-gradient(145deg, #fff, #f4f3ff);
}

.stack-card.accent b {
  color: #5b6bdc;
}

.diagnose-path {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.diagnose-path span {
  padding: 6px 8px;
  border-radius: 7px;
  background: #f0f4fa;
  color: #6f7f94;
  font-size: 7px;
  font-weight: 800;
}

.diagnose-path i {
  width: 15px;
  height: 1px;
  background: #c7d2e1;
}

.art-content {
  display: grid;
  place-items: center;
}

.doc-card {
  position: relative;
  width: 270px;
  padding: 17px;
  border: 1px solid #dfe7f1;
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 18px 38px rgba(51,70,107,.11);
  transform: rotate(1.4deg);
}

.doc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #6b7d93;
  font-size: 8px;
  font-weight: 800;
}

.doc-head b {
  padding: 4px 6px;
  border-radius: 5px;
  background: #e8fafb;
  color: #2695a0;
  font-size: 6px;
}

.doc-title {
  margin-top: 18px;
  color: #27374f;
  font-size: 12px;
  font-weight: 900;
}

.doc-lines {
  display: grid;
  gap: 7px;
  margin-top: 13px;
}

.doc-lines i {
  height: 5px;
  border-radius: 4px;
  background: #eef2f7;
}

.doc-lines .short {
  width: 62%;
}

.doc-tags {
  display: flex;
  gap: 5px;
  margin-top: 15px;
}

.doc-tags span {
  padding: 4px 6px;
  border-radius: 5px;
  background: #f2f3ff;
  color: #6572d7;
  font-size: 6px;
  font-weight: 800;
}

.publish-nodes {
  position: absolute;
  width: 255px;
  right: -2px;
  bottom: 15px;
  display: flex;
  justify-content: space-between;
}

.publish-nodes span {
  padding: 5px 7px;
  border: 1px solid #e2e8f1;
  border-radius: 7px;
  background: rgba(255,255,255,.9);
  color: #7a889c;
  font-size: 6px;
  font-weight: 800;
  box-shadow: 0 6px 18px rgba(47,69,108,.05);
}

.art-verify {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-content: center;
  gap: 8px;
}

.verify-before,
.verify-after {
  min-height: 124px;
  padding: 18px 13px;
  border: 1px solid #dfe7f1;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(51,70,107,.07);
}

.verify-after {
  border-color: rgba(43,185,200,.25);
  background: linear-gradient(145deg, #fff, #edfbfc);
}

.verify-before small,
.verify-after small {
  color: #8c99aa;
  font-size: 7px;
  font-weight: 800;
}

.verify-before strong,
.verify-after strong {
  display: block;
  margin-top: 16px;
  color: #53647b;
  font-size: 29px;
}

.verify-after strong {
  color: #279aa5;
}

.verify-before span,
.verify-after span {
  display: block;
  margin-top: 8px;
  color: #8391a4;
  font-size: 7px;
  font-weight: 750;
}

.verify-arrow {
  color: #8a98ac;
  font-size: 17px;
}

.verify-check,
.muted-check {
  grid-column: span 3;
  padding: 7px 10px;
  border-radius: 7px;
  background: #e9fafb;
  color: #278f98;
  font-size: 7px;
  font-weight: 850;
}

.muted-check {
  background: #f2f5f9;
  color: #8b98aa;
}

.section-workflow {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 5% 30%, rgba(98,115,244,.09), transparent 25%),
    #fff;
}

.section-pricing {
  position: relative;
  overflow: hidden;
  scroll-margin-top: 82px;
  background:
    radial-gradient(circle at 8% 16%, rgba(43,185,200,.08), transparent 24%),
    radial-gradient(circle at 92% 12%, rgba(96,113,236,.1), transparent 27%),
    #fff;
}

.pricing-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 42px;
  margin-bottom: 30px;
}

.pricing-intro .section-heading {
  display: block;
  max-width: 720px;
  margin: 0;
}

.pricing-intro .section-heading h2 {
  max-width: 680px;
}

.pricing-intro .section-heading > p {
  max-width: 650px;
  margin-top: 17px;
  font-size: 13px;
}

.billing-panel {
  width: 302px;
  padding: 7px;
  border: 1px solid #dfe7f2;
  border-radius: 18px;
  background: rgba(255,255,255,.86);
  box-shadow: 0 15px 42px rgba(47, 68, 105, .07);
  backdrop-filter: blur(12px);
}

.billing-switch {
  display: grid;
  grid-template-columns: 1fr 1.22fr;
  gap: 4px;
  padding: 4px;
  border-radius: 13px;
  background: #f1f5fb;
}

.billing-option {
  min-height: 42px;
  padding: 7px 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #718098;
  font: inherit;
  font-size: 12px;
  font-weight: 850;
  cursor: pointer;
  transition: color .2s ease, background .2s ease, box-shadow .2s ease;
}

.billing-option span {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  margin-left: 4px;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--cyan-soft);
  color: #158a98;
  font-size: 9px;
  font-weight: 900;
  white-space: nowrap;
}

.billing-option.is-active {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 6px 18px rgba(49, 69, 106, .1);
}

.billing-option:focus-visible {
  outline: 3px solid rgba(96,113,236,.23);
  outline-offset: 2px;
}

.billing-caption {
  margin: 8px 8px 3px;
  color: #8390a3;
  font-size: 10px;
  line-height: 1.5;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 660px;
  padding: 30px 27px 27px;
  border: 1px solid #dfe6f0;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(44, 65, 99, .045);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.pricing-card::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -90px;
  top: -100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(98,115,244,.11), transparent 70%);
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: #cbd8eb;
  box-shadow: var(--shadow-sm);
}

.pricing-card.featured {
  border-color: rgba(98,115,244,.45);
  background:
    linear-gradient(155deg, rgba(255,255,255,.98) 0%, rgba(243,248,255,.98) 62%, rgba(238,251,252,.98) 100%);
  box-shadow: 0 22px 54px rgba(78, 101, 209, .13);
}

.pricing-card.featured::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.pricing-badge {
  position: absolute;
  right: 20px;
  top: 20px;
  padding: 6px 11px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--blue), var(--cyan));
  color: #fff;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .06em;
  box-shadow: 0 8px 18px rgba(88, 106, 220, .2);
}

.pricing-tier {
  color: #8797ad;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .16em;
}

.pricing-card h3 {
  margin: 14px 0 0;
  font-size: 27px;
  font-weight: 950;
  letter-spacing: -.6px;
}

.pricing-summary {
  min-height: 46px;
  margin: 12px 0 0;
  color: #718096;
  font-size: 11.5px;
  line-height: 1.75;
}

.pricing-price {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  min-height: 58px;
  margin-top: 18px;
  color: #27364d;
}

.pricing-price > span {
  margin-bottom: 6px;
  font-size: 19px;
  font-weight: 850;
}

.pricing-price strong {
  font-size: clamp(39px, 3.6vw, 49px);
  line-height: .95;
  letter-spacing: -2.2px;
  font-weight: 950;
  font-variant-numeric: tabular-nums;
  transition: opacity .18s ease, transform .18s ease;
}

.pricing-price em {
  margin: 0 0 6px 3px;
  color: #7a889c;
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}

.pricing-card.is-price-changing .pricing-price strong {
  opacity: .2;
  transform: translateY(3px);
}

.pricing-billing-note {
  min-height: 19px;
  margin: 7px 0 0;
  color: #7d8da3;
  font-size: 9.5px;
  line-height: 1.5;
  font-weight: 650;
}

.pricing-billing-note.is-annual {
  color: #188f9d;
}

.benefit-groups {
  display: grid;
  gap: 0;
  margin: 12px 0 24px;
}

.benefit-group {
  padding: 16px 0;
  border-top: 1px solid #edf1f6;
}

.benefit-group h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 11px;
  color: #3e4f67;
  font-size: 11px;
  font-weight: 900;
}

.benefit-group h4 span {
  display: inline-grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 7px;
  background: #f1f5fb;
  color: #70809a;
  font-size: 8px;
  letter-spacing: 0;
}

.benefit-group ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.benefit-group li {
  position: relative;
  padding-left: 17px;
  color: #506177;
  font-size: 10.5px;
  line-height: 1.5;
  font-weight: 650;
}

.benefit-group li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 900;
}

.pricing-card .button {
  width: 100%;
  min-height: 46px;
  margin-top: auto;
  font-size: 12px;
}

.button-outline-blue {
  color: #5d6fdf;
  border-color: #d4def1;
  background: #fff;
}

.button-outline-blue:hover {
  border-color: #aebce0;
  box-shadow: 0 10px 24px rgba(64,84,133,.08);
}

.service-section {
  margin-top: 26px;
  padding: 30px;
  border: 1px solid #e0e7f1;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(248,250,254,.98), rgba(255,255,255,.98));
}

.service-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: end;
  gap: 40px;
  margin-bottom: 23px;
}

.service-heading h3 {
  max-width: 640px;
  margin: 10px 0 0;
  font-size: clamp(23px, 2.4vw, 31px);
  line-height: 1.35;
  letter-spacing: -.035em;
  font-weight: 920;
}

.service-heading > p {
  margin: 0;
  color: #748399;
  font-size: 11px;
  line-height: 1.75;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.service-card {
  min-width: 0;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid #e1e8f2;
  border-radius: 17px;
  background: rgba(255,255,255,.9);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: #cbd8eb;
  box-shadow: 0 14px 34px rgba(42, 62, 100, .065);
}

.service-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.service-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(145deg, var(--blue-soft), var(--cyan-soft));
  color: #5266d9;
  font-size: 11px;
  font-weight: 900;
}

.service-type {
  padding: 5px 8px;
  border-radius: 999px;
  background: #f3f6fb;
  color: #7e8ba0;
  font-size: 8px;
  font-weight: 850;
  letter-spacing: .04em;
}

.service-card h4 {
  margin: 16px 0 0;
  color: #27364d;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -.2px;
}

.service-card p {
  margin: 8px 0 0;
  color: #738196;
  font-size: 10px;
  line-height: 1.7;
}

.service-price {
  margin-top: auto;
  padding-top: 16px;
  color: #33455e;
  font-size: 18px;
  font-weight: 950;
  letter-spacing: -.35px;
}

.service-price small {
  color: #8996a8;
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0;
}

.service-card .inline-link {
  margin-top: 10px;
  font-size: 10px;
}

.pricing-footnote {
  margin: 18px 0 0;
  padding: 13px 18px;
  border: 1px solid #ebf0f6;
  border-radius: 12px;
  background: rgba(247,249,253,.82);
  color: #8996a8;
  font-size: 10px;
  line-height: 1.65;
  text-align: center;
}

.workflow-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  align-items: start;
  gap: 80px;
}

.workflow-copy {
  position: sticky;
  top: 120px;
}

.workflow-copy p {
  max-width: 430px;
  margin: 22px 0 0;
  color: #69788e;
  font-size: 14px;
  line-height: 1.9;
}

.workflow-copy .button {
  margin-top: 30px;
}

.workflow-steps {
  position: relative;
}

.workflow-steps::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 44px;
  bottom: 44px;
  width: 1px;
  background: linear-gradient(#d5ddf5, #bfe7ea, #dce4f2);
}

.workflow-step {
  position: relative;
  min-height: 125px;
  display: grid;
  grid-template-columns: 42px 48px 1fr;
  align-items: center;
  gap: 17px;
  padding: 20px 21px 20px 9px;
  margin-bottom: 14px;
  border: 1px solid transparent;
  border-radius: 18px;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.workflow-step:hover,
.workflow-step.active {
  border-color: #e1e7f1;
  background: rgba(255,255,255,.84);
  box-shadow: var(--shadow-sm);
  transform: translateX(5px);
}

.step-number {
  color: #9ba7b8;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .08em;
}

.step-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid #dce5f0;
  border-radius: 13px;
  background: #fff;
  color: #5f71e1;
  font-size: 12px;
  font-weight: 950;
  box-shadow: 0 8px 22px rgba(44,65,103,.06);
}

.workflow-step.active .step-icon {
  border-color: transparent;
  background: linear-gradient(135deg, #6878ed, #2fb9c8);
  color: #fff;
}

.workflow-step h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
}

.workflow-step p {
  margin: 7px 0 0;
  color: #758399;
  font-size: 12px;
  line-height: 1.65;
}

.section-platforms {
  background: linear-gradient(180deg, #f6f9fd, #f1f6fc);
}

.platform-panels {
  display: grid;
  gap: 14px;
}

.platform-panel {
  display: grid;
  grid-template-columns: 280px 1fr;
  align-items: center;
  gap: 28px;
  padding: 24px 26px;
  border: 1px solid #dfe6f0;
  border-radius: 18px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 8px 26px rgba(42,63,98,.035);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.panel-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(135deg, #e9edff, #e7fafb);
  color: #5b6bde;
  font-size: 9px;
  font-weight: 950;
  letter-spacing: .04em;
}

.panel-head h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 900;
}

.panel-head p {
  margin: 5px 0 0;
  color: #8996a8;
  font-size: 10px;
  font-weight: 650;
}

.platform-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.platform-logos span {
  padding: 7px 10px;
  border: 1px solid #e3e9f2;
  border-radius: 8px;
  background: #f8fafd;
  color: #64758b;
  font-size: 10px;
  font-weight: 800;
}

.platform-note {
  margin: 20px 0 0;
  text-align: center;
  color: #929dac;
  font-size: 10px;
  font-weight: 600;
}

.section-evidence {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 90% 20%, rgba(47,185,200,.22), transparent 32%),
    radial-gradient(circle at 10% 80%, rgba(98,115,244,.26), transparent 38%),
    #111c34;
}

.section-evidence::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 70% 50%, #000, transparent 66%);
}

.evidence-layout {
  position: relative;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 78px;
  align-items: center;
}

.section-kicker.light {
  color: #9eb5ff;
}

.evidence-copy h2 {
  color: #fff;
}

.evidence-copy p {
  max-width: 460px;
  margin: 22px 0 0;
  color: #aab7ca;
  font-size: 14px;
  line-height: 1.9;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.evidence-card {
  min-height: 160px;
  padding: 22px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  background: rgba(255,255,255,.055);
  backdrop-filter: blur(10px);
}

.evidence-card span {
  color: #7c8fb9;
  font-size: 9px;
  font-weight: 900;
}

.evidence-card h3 {
  margin: 21px 0 0;
  color: #fff;
  font-size: 18px;
  font-weight: 900;
}

.evidence-card p {
  margin: 9px 0 0;
  color: #9eacc0;
  font-size: 11px;
  line-height: 1.65;
}

.section-solutions {
  background: #fff;
}

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

.solution-card {
  min-height: 225px;
  padding: 25px 22px;
  border: 1px solid #e0e7f1;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #fbfcff);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.solution-card:hover {
  transform: translateY(-5px);
  border-color: #ccd8ec;
  box-shadow: var(--shadow-sm);
}

.solution-icon {
  display: inline-flex;
  padding: 6px 8px;
  border-radius: 7px;
  background: #eff2ff;
  color: #6171dc;
  font-size: 8px;
  font-weight: 950;
  letter-spacing: .1em;
}

.solution-card h3 {
  margin: 32px 0 0;
  font-size: 18px;
  font-weight: 900;
}

.solution-card p {
  margin: 10px 0 0;
  color: #758399;
  font-size: 11px;
  line-height: 1.72;
}

.section-faq {
  background: #f7f9fd;
}

.faq-layout {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 76px;
}

.faq-copy p {
  margin: 20px 0 0;
  color: #6d7c92;
  font-size: 14px;
  line-height: 1.8;
}

.faq-list {
  border-top: 1px solid #dfe6f0;
}

.faq-list details {
  border-bottom: 1px solid #dfe6f0;
}

.faq-list summary {
  position: relative;
  padding: 24px 42px 24px 0;
  cursor: pointer;
  list-style: none;
  color: #33435b;
  font-size: 15px;
  font-weight: 850;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 3px;
  top: 50%;
  color: #7b8a9f;
  font-size: 20px;
  font-weight: 400;
  transform: translateY(-50%);
  transition: transform .2s ease;
}

.faq-list details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-list details p {
  margin: -6px 42px 23px 0;
  color: #738197;
  font-size: 12px;
  line-height: 1.8;
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding: 94px 0;
  color: #fff;
  background: linear-gradient(120deg, #586be5 0%, #6571e8 48%, #27aebc 100%);
}

.final-cta::before,
.final-cta::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.13);
}

.final-cta::before {
  width: 560px;
  height: 560px;
  right: -80px;
  top: -330px;
  box-shadow: 0 0 0 85px rgba(255,255,255,.035);
}

.final-cta::after {
  width: 360px;
  height: 360px;
  left: -210px;
  bottom: -260px;
  box-shadow: 0 0 0 70px rgba(255,255,255,.03);
}

.final-cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

.final-cta h2 {
  color: #fff;
  font-size: clamp(34px, 4.2vw, 54px);
}

.final-cta p {
  margin: 18px 0 0;
  color: rgba(255,255,255,.74);
  font-size: 14px;
}

.final-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .65fr);
  align-items: center;
  gap: 72px;
}

.contact-copy {
  max-width: 660px;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.contact-methods a {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 14px;
  color: #fff;
  background: rgba(255,255,255,.09);
  backdrop-filter: blur(12px);
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.contact-methods a:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.14);
}

.contact-methods span {
  color: rgba(255,255,255,.68);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
}

.contact-methods strong {
  font-size: 16px;
  font-weight: 850;
}

.contact-person {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 18px;
  color: rgba(255,255,255,.7);
  font-size: 12px;
}

.contact-person strong {
  color: #fff;
  font-size: 16px;
}

.contact-actions {
  justify-content: flex-start;
  margin-top: 28px;
}

.wechat-contact-card {
  position: relative;
  justify-self: end;
  width: min(100%, 330px);
  padding: 22px 22px 26px;
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 24px;
  color: #253652;
  text-align: center;
  background: #fff;
  box-shadow: 0 28px 68px rgba(24,36,58,.24);
}

.wechat-contact-card img {
  display: block;
  width: 100%;
  height: auto;
  margin: 14px auto;
  border-radius: 14px;
  background: #fff;
}

.wechat-contact-card strong {
  display: block;
  color: #18243a;
  font-size: 20px;
  font-weight: 900;
}

.wechat-contact-card > span {
  display: block;
  margin-top: 6px;
  color: #728098;
  font-size: 11px;
  line-height: 1.7;
}

.wechat-contact-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: 999px;
  color: #5366da;
  font-size: 10px;
  font-weight: 850;
  background: #edf0ff;
}

.button-white {
  color: #5161cf;
  background: #fff;
  box-shadow: 0 14px 34px rgba(34,54,96,.16);
}

.button-outline-light {
  color: #fff;
  border-color: rgba(255,255,255,.38);
  background: rgba(255,255,255,.06);
}

.site-footer {
  padding: 62px 0 24px;
  background: #101a30;
  color: #aab6c9;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 80px;
}

.brand-footer {
  color: #fff;
}

.brand-footer .brand-copy small {
  color: #7f8eaa;
}

.footer-brand p {
  margin: 19px 0 0;
  color: #8291aa;
  font-size: 12px;
  font-weight: 600;
}

.footer-links {
  display: flex;
  gap: 72px;
}

.footer-links > div {
  display: grid;
  align-content: start;
  gap: 11px;
}

.footer-links strong {
  margin-bottom: 5px;
  color: #fff;
  font-size: 11px;
  font-weight: 850;
}

.footer-links a {
  color: #8f9db3;
  font-size: 10px;
  font-weight: 650;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  color: #697991;
  font-size: 9px;
  font-weight: 600;
}

.floating-contact {
  position: fixed;
  z-index: 50;
  right: 17px;
  bottom: 24px;
  display: grid;
  gap: 7px;
  padding: 7px;
  border: 1px solid #e0e7f1;
  border-radius: 16px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 16px 40px rgba(34,54,90,.15);
  backdrop-filter: blur(15px);
}

.floating-contact a {
  width: 46px;
  height: 54px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 11px;
  color: #5b6bd8;
  transition: background .2s ease;
}

.floating-contact a:hover {
  background: #f1f3ff;
}

.floating-contact span {
  font-size: 17px;
  font-weight: 800;
  line-height: 1;
}

.floating-contact small {
  color: #718096;
  font-size: 7px;
  font-weight: 750;
  white-space: nowrap;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}

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

@keyframes floatMain {
  0%, 100% { transform: rotate(-1.5deg) translateY(0); }
  50% { transform: rotate(-.8deg) translateY(-7px); }
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0) rotate(-.8deg); }
  50% { transform: translateY(-8px) rotate(.2deg); }
}

@keyframes floatProof {
  0%, 100% { transform: translateY(0) rotate(.5deg); }
  50% { transform: translateY(-6px) rotate(-.4deg); }
}

.primary-nav .mobile-login {
  display: none;
}

@media (max-width: 1100px) {
  .primary-nav {
    gap: 20px;
  }

  .hero-layout {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .hero h1 {
    font-size: 58px;
  }

  .float-card-main {
    width: 570px;
    right: -120px;
  }

  .capability-card {
    min-height: 390px;
    padding: 26px;
  }

  .capability-card h3 {
    font-size: 25px;
  }

  .mini-window {
    width: 250px;
  }

  .solution-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card {
    min-height: 630px;
    padding-inline: 23px;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-heading {
    grid-template-columns: minmax(0, 1fr) 320px;
  }
}

@media (max-width: 860px) {
  .site-header {
    height: 70px;
  }

  .header-actions .text-link {
    display: none;
  }

  .primary-nav {
    position: fixed;
    inset: 70px 0 auto;
    display: grid;
    gap: 0;
    padding: 18px 24px 25px;
    border-bottom: 1px solid var(--line);
    background: rgba(255,255,255,.98);
    box-shadow: 0 20px 40px rgba(36,54,88,.12);
    transform: translateY(-130%);
    transition: transform .25s ease;
  }

  .primary-nav a {
    padding: 14px 3px;
    border-bottom: 1px solid #edf1f6;
    font-size: 13px;
  }

  .primary-nav .mobile-login {
    display: block;
  }

  .primary-nav a::after {
    display: none;
  }

  .primary-nav.is-open {
    transform: translateY(0);
  }

  .menu-button {
    display: block;
  }

  .menu-button[aria-expanded="true"] span:first-child {
    transform: translateY(5.5px) rotate(45deg);
  }

  .menu-button[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-button[aria-expanded="true"] span:last-child {
    transform: translateY(-5.5px) rotate(-45deg);
  }

  .hero {
    padding-top: 48px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  .hero h1 {
    font-size: clamp(44px, 10vw, 64px);
  }

  .hero-visual {
    height: 480px;
    margin-top: 20px;
  }

  .float-card-main {
    width: 680px;
    right: auto;
    left: 9%;
    top: 68px;
  }

  .float-card-score {
    left: 0;
    top: 5px;
  }

  .float-card-proof {
    right: 1%;
    bottom: 12px;
  }

  .trust-items {
    flex-wrap: wrap;
    justify-content: flex-start;
    padding: 20px 0;
  }

  .trust-items span::after {
    display: none;
  }

  .section-heading,
  .faq-layout,
  .workflow-layout,
  .evidence-layout {
    display: block;
  }

  .pricing-intro,
  .service-heading {
    display: block;
  }

  .billing-panel {
    width: 100%;
    max-width: 360px;
    margin-top: 24px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card {
    min-height: 0;
  }

  .service-heading > p {
    max-width: 620px;
    margin-top: 14px;
  }

  .section-heading > p {
    margin-top: 18px;
  }

  .problem-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .capability-card {
    min-height: 340px;
  }

  .workflow-copy {
    position: static;
    margin-bottom: 44px;
  }

  .platform-panel {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .evidence-copy {
    margin-bottom: 38px;
  }

  .faq-copy {
    margin-bottom: 38px;
  }

  .final-cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .wechat-contact-card {
    justify-self: start;
  }

  .final-actions {
    justify-content: flex-start;
  }

  .footer-main {
    flex-direction: column;
    gap: 42px;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .brand-copy small {
    display: none;
  }

  .brand-copy strong {
    font-size: 18px;
  }

  .brand-logo {
    width: 30px;
    height: auto;
  }

  .header-actions {
    gap: 8px;
  }

  .header-actions .button-small {
    display: inline-flex;
    min-height: 36px;
    padding: 8px 10px;
    font-size: 11px;
  }

  .hero {
    min-height: auto;
  }

  .hero h1 {
    margin-top: 21px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-visual {
    height: 360px;
    margin-inline: -8px;
  }

  .float-card-main {
    width: 500px;
    height: 320px;
    left: 23%;
    top: 40px;
  }

  .float-card-score {
    width: 182px;
    padding: 13px;
  }

  .score-row strong {
    font-size: 26px;
  }

  .float-card-proof {
    min-width: 225px;
    right: -6px;
    padding: 11px 13px;
  }

  .trust-strip {
    display: block;
  }

  .trust-label {
    display: block;
    padding-top: 18px;
  }

  .trust-items {
    gap: 10px 18px;
  }

  .section {
    padding: 82px 0;
  }

  .section-heading h2,
  .workflow-copy h2,
  .evidence-copy h2,
  .faq-copy h2,
  .final-cta h2 {
    font-size: 36px;
  }

  .problem-grid {
    gap: 12px;
  }

  .capability-card {
    display: block;
    min-height: 0;
    padding: 24px;
  }

  .capability-copy,
  .capability-art {
    width: 100%;
  }

  .capability-art {
    min-height: 250px;
    margin-top: 26px;
  }

  .workflow-step {
    grid-template-columns: 34px 43px 1fr;
    gap: 10px;
    padding-inline: 4px;
  }

  .workflow-step:hover,
  .workflow-step.active {
    transform: none;
  }

  .evidence-grid,
  .solution-grid {
    grid-template-columns: 1fr;
  }

  .billing-panel {
    max-width: none;
  }

  .pricing-card {
    padding: 26px 22px 23px;
    border-radius: 19px;
  }

  .pricing-card::after {
    width: 130px;
    height: 130px;
    right: -64px;
    top: -74px;
  }

  .pricing-price strong {
    font-size: 43px;
  }

  .service-section {
    padding: 21px;
    border-radius: 20px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 230px;
  }

  .final-actions {
    display: grid;
    width: 100%;
  }

  .contact-methods {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    margin-top: 22px;
  }

  .wechat-contact-card {
    width: min(100%, 300px);
    padding: 18px 18px 22px;
  }

  .footer-links {
    gap: 38px;
  }

  .footer-bottom {
    display: grid;
  }

  .floating-contact {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

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

/* ICP filing number (required for mainland hosting) */
.footer-icp{display:inline-flex;gap:.35rem;align-items:center}
.footer-icp a{color:inherit;text-decoration:none;opacity:.85}
.footer-icp a:hover{text-decoration:underline;opacity:1}