/* ============ RESET / TOKENS ============ */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
:root {
  --green: #03a84e;
  --green-dark: #02893f;
  --green-soft: #eafaf1;
  --green-tint: #f3faf6;
  --ink: #16222e;
  --text: #44525d;
  --muted: #7a8893;
  --white: #ffffff;
  --bg-soft: #f5f8fa;
  --line: #e7edf1;
  --line-strong: #d8e0e6;
  --shadow: 0 10px 30px -12px rgba(22,34,46,.12);
  --shadow-lg: 0 24px 60px -28px rgba(22,34,46,.22);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1,h2,h3,h4 { margin: 0; line-height: 1.2; letter-spacing: -0.01em; color: var(--ink); }
p { margin: 0; }
.spark { color: var(--green); }
.gray { color: var(--muted); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
section[id] { scroll-margin-top: 84px; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  border-radius: 10px;
  transition: all .2s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--green); color: #fff; border-color: var(--green);
}
.btn-primary:hover {
  background: var(--green-dark); border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -10px rgba(3,168,78,.5);
}
.btn-ghost {
  background: #fff; color: var(--ink); border-color: var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--green); color: var(--green); background: var(--green-tint);
}

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all .3s ease;
}
.nav.scrolled {
  background: rgba(255,255,255,.96);
  border-bottom-color: var(--line);
  box-shadow: 0 2px 16px rgba(22,34,46,.05);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--green); color: #fff;
  font-weight: 800; font-size: 22px;
  border-radius: 11px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 16px; font-weight: 700; color: var(--ink); }
.brand-text em { font-style: normal; font-size: 11px; color: var(--muted); letter-spacing: 0.1em; }
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  font-size: 14.5px; font-weight: 500; color: var(--text);
  position: relative; padding: 4px 0;
  transition: color .2s;
}
.nav-links a:hover { color: var(--green); }
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--green); border-radius: 2px;
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s;
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta { padding: 10px 22px; font-size: 14px; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 46px; height: 36px; padding: 0 12px;
  font-family: inherit; font-size: 13px; font-weight: 700; letter-spacing: 0.02em;
  color: var(--ink); background: #fff;
  border: 1.5px solid var(--line-strong); border-radius: 9px;
  cursor: pointer; transition: all .2s ease;
}
.lang-toggle:hover {
  border-color: var(--green); color: var(--green); background: var(--green-tint);
}

/* ============ HERO ============ */
.hero {
  position: relative; overflow: hidden;
  padding: 72px 0 0;
  background: linear-gradient(180deg, var(--green-tint) 0%, #fff 62%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px;
  align-items: center;
  padding-bottom: 96px;
}
.hero-meta {
  display: inline-flex; align-items: center; gap: 9px;
  margin-bottom: 28px;
  padding: 6px 14px;
  background: var(--green-soft); color: var(--green-dark);
  border-radius: 999px;
  font-size: 13px; font-weight: 600;
}
.hero-meta .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(3,168,78,.18);
}
.hero-copy h1 {
  font-size: clamp(48px, 7vw, 84px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.04;
  margin-bottom: 28px;
}
.hero-copy h1 .spark { display: inline-block; }
.lede {
  font-size: 18px; line-height: 1.75;
  color: var(--text);
  max-width: 540px;
  margin-bottom: 40px;
}
.lede strong { color: var(--ink); font-weight: 700; }
.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-bottom: 52px;
}
.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  max-width: 540px;
}
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong {
  font-size: 32px; font-weight: 800; color: var(--green);
  letter-spacing: -0.02em;
}
.hero-stats span { font-size: 13px; color: var(--muted); margin-top: 4px; }

.hero-visual { position: relative; }
.visual-frame {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow-lg);
}
.frame-img {
  width: 100%; height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.visual-badge {
  position: absolute; bottom: -22px; right: -16px;
  background: #fff; color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 18px;
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 600;
  box-shadow: var(--shadow);
}
.visual-badge .arrow { color: var(--green); font-size: 17px; }
.visual-badge .badge-out { color: var(--green); font-weight: 700; }

/* ============ SECTIONS ============ */
.section { padding: 104px 0; position: relative; }
.section-head { margin: 0 auto 56px; max-width: 760px; text-align: center; }
.kicker {
  display: inline-block;
  padding: 5px 14px;
  background: var(--green-soft); color: var(--green-dark);
  border-radius: 999px;
  font-size: 13px; font-weight: 600;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: clamp(30px, 4.5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.015em;
}

/* ============ PAIN ============ */
.pain { background: var(--bg-soft); }
.pain-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.pain-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.pain-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}
.pain-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  background: var(--green-soft); color: var(--green-dark);
  border-radius: 12px;
  font-size: 16px; font-weight: 800;
  margin-bottom: 18px;
}
.pain-card h3 { font-size: 19px; margin-bottom: 10px; font-weight: 700; }
.pain-card p { font-size: 14.5px; color: var(--text); line-height: 1.7; }
.pain-card strong { color: var(--green); font-weight: 700; }

/* ============ FEATURES ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 34px 30px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}
.feature-card.big {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}
.feature-card.big:hover { box-shadow: 0 28px 60px -26px rgba(3,168,78,.6); }
.feature-card.big h3 { color: #fff; }
.feature-card.big p { color: rgba(255,255,255,.92); }
.feature-card.big strong { color: #fff; }
.feature-card.big .feature-icon { color: #fff; }
.feature-card.big .feature-list li { color: rgba(255,255,255,.92); }
.feature-card.big .check { background: rgba(255,255,255,.2); color: #fff; }
.feature-icon {
  width: 52px; height: 52px;
  margin-bottom: 22px;
  color: var(--green);
}
.feature-icon svg { width: 100%; height: 100%; }
.feature-card h3 {
  font-size: 20px; font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 15px; line-height: 1.75; color: var(--text);
}
.feature-card strong { color: var(--green); font-weight: 700; }
.feature-list {
  list-style: none; padding: 0; margin: 22px 0 0;
  display: flex; flex-direction: column; gap: 10px;
}
.feature-list li {
  font-size: 13.5px; display: flex; align-items: center; gap: 10px;
  color: var(--text);
}
.check {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; flex-shrink: 0;
  background: var(--green-soft); color: var(--green-dark);
  border-radius: 50%;
  font-size: 11px; font-weight: 800;
}

/* ============ WORKFLOW ============ */
.workflow { background: var(--green-tint); }
.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: center;
}
.flow-step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 22px;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.flow-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.flow-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  background: var(--green); color: #fff;
  border-radius: 11px;
  font-size: 15px; font-weight: 800;
  margin-bottom: 16px;
}
.flow-step h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.flow-step p { font-size: 13px; color: var(--text); line-height: 1.6; }
.flow-line {
  position: relative;
  height: 2px;
  background: repeating-linear-gradient(to right, var(--line-strong) 0 6px, transparent 6px 12px);
}
.flow-line::after {
  content: '›'; position: absolute; right: -4px; top: 50%;
  transform: translateY(-50%);
  color: var(--green); font-size: 22px; font-weight: 700; line-height: 1;
}

/* ============ SCREENS ============ */
.screens { background: #fff; }
.screens-main {
  display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px;
  margin-bottom: 56px;
  align-items: center;
}
.screen-frame {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.screen-bar {
  height: 40px;
  display: flex; align-items: center;
  padding: 0 16px; gap: 8px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}
.screen-bar > span:nth-child(-n+3) {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--line-strong);
}
.screen-bar > span:nth-child(1) { background: #FF5F57; }
.screen-bar > span:nth-child(2) { background: #FEBC2E; }
.screen-bar > span:nth-child(3) { background: #28C840; }
.screen-url {
  flex: 1; text-align: center;
  font-size: 11.5px; color: var(--muted);
}
.screen-frame img { width: 100%; height: auto; display: block; }

.screens-mobile { display: flex; gap: 20px; justify-content: center; }
.phone-frame {
  width: 180px;
  background: var(--ink);
  border-radius: 28px;
  padding: 8px;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.phone-notch {
  position: absolute; top: 16px; left: 50%;
  transform: translateX(-50%);
  width: 56px; height: 6px;
  background: rgba(255,255,255,.25);
  border-radius: 4px;
  z-index: 1;
}
.phone-frame img { width: 100%; border-radius: 20px; }

.screens-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.screens-row figure {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.screens-row figure:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}
.screens-row img { width: 100%; height: auto; border-radius: 8px; }
.screens-row figcaption {
  margin-top: 12px;
  font-size: 13.5px; color: var(--text);
  text-align: center;
}

/* ============ CLIENTS ============ */
.clients { background: var(--bg-soft); }
.client-table {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.client-row {
  display: grid; grid-template-columns: 1.3fr 2fr .5fr;
  gap: 24px;
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  transition: background .2s;
}
.client-row:last-child { border-bottom: none; }
.client-row:not(.head):hover { background: var(--green-tint); }
.client-row.head {
  background: var(--green); color: #fff;
  font-size: 13px; font-weight: 600; letter-spacing: 0.04em;
}
.client-row strong { display: block; font-size: 16.5px; font-weight: 700; }
.client-row em {
  display: block; font-style: normal;
  font-size: 12.5px; color: var(--muted);
  margin-top: 4px;
}
.client-row span:nth-child(2) { font-size: 14.5px; color: var(--text); }
.client-row.head span:nth-child(2) { color: #fff; }
.client-row .stars {
  color: var(--green);
  font-size: 15px;
  letter-spacing: 2px;
}

/* ============ PRICING ============ */
.pricing { background: #fff; }
.pricing-card {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 52px;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.price-badge {
  display: inline-block; font-size: 13px; font-weight: 600;
  padding: 6px 16px;
  background: var(--green); color: #fff;
  border-radius: 999px;
  margin-bottom: 22px;
}
.pricing-left h3 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800; margin-bottom: 18px;
  letter-spacing: -0.015em;
}
.pricing-left p {
  font-size: 16px; line-height: 1.8;
  color: var(--text);
  margin-bottom: 30px;
}
.pricing-left strong { color: var(--green); font-weight: 700; }
.pricing-right {
  border-left: 1px solid var(--line);
  padding-left: 56px;
}
.pricing-right ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 14px;
}
.pricing-right li {
  display: flex; align-items: center; gap: 12px;
  font-size: 15px; color: var(--ink);
}

/* ============ CONTACT ============ */
.contact { background: var(--green); color: #fff; }
.contact-inner {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 72px;
  align-items: center;
}
.contact .kicker { background: rgba(255,255,255,.18); color: #fff; }
.contact-left h2 {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 800; margin: 14px 0 28px;
  color: #fff;
}
.phone-big {
  display: inline-block;
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 800;
  color: #fff;
  background: rgba(255,255,255,.14);
  padding: 12px 22px;
  border-radius: 14px;
  margin-bottom: 28px;
  transition: all .25s;
  white-space: nowrap;
  max-width: 100%;
}
.phone-big:hover { background: #fff; color: var(--green); }
.contact-note {
  font-size: 15px; line-height: 1.8;
  color: rgba(255,255,255,.9);
  max-width: 500px;
}
.contact-note strong { color: #fff; font-weight: 700; }

.qr-cards {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
  max-width: 460px;
}
.qr-card {
  margin: 0;
  background: #fff;
  color: var(--ink);
  border-radius: 14px;
  padding: 18px 18px 16px;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.qr-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.qr-card img {
  width: 100%; aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
  display: block;
}
.qr-card figcaption {
  margin-top: 12px;
  display: flex; flex-direction: column; gap: 3px;
  text-align: center;
}
.qr-card figcaption strong { font-size: 14px; font-weight: 700; }
.qr-card figcaption span { font-size: 11.5px; color: var(--muted); }

.contact-info {
  background: rgba(255,255,255,.1);
  border-radius: 12px;
  padding: 8px 20px;
  max-width: 460px;
}
.ci-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 0;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,.16);
}
.ci-row:last-child { border-bottom: none; }
.ci-row span { color: rgba(255,255,255,.78); }
.ci-row strong { color: #fff; font-weight: 600; }

/* ============ FOOTER ============ */
.footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 40px 0 32px;
}
.footer-inner {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 40px; align-items: center;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand div { display: flex; flex-direction: column; line-height: 1.3; }
.footer-brand strong { font-size: 15px; color: var(--ink); }
.footer-brand em { font-style: normal; font-size: 12px; color: var(--muted); }
.footer-links {
  display: flex; gap: 12px 24px; justify-content: center;
  flex-wrap: wrap;
  font-size: 14px;
}
.footer-links a { white-space: nowrap; color: var(--text); }
.footer-links a:hover { color: var(--green); }
.footer-meta {
  text-align: right;
  font-size: 12px; color: var(--muted);
  line-height: 1.8;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 56px; padding-bottom: 80px; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: 1fr 1fr; }
  .flow-line { display: none; }
  .screens-main { grid-template-columns: 1fr; }
  .screens-mobile { justify-content: center; }
  .screens-row { grid-template-columns: 1fr; }
  .pricing-card { grid-template-columns: 1fr; gap: 40px; padding: 40px; }
  .pricing-right { padding-left: 0; border-left: none; border-top: 1px solid var(--line); padding-top: 40px; }
  .contact-inner { grid-template-columns: 1fr; gap: 56px; }
  .contact-right { max-width: 460px; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 44px; }
  .pain-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .hero-copy h1 { font-size: 56px; }
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .hero-stats div { flex-direction: row; align-items: baseline; gap: 12px; }
  .visual-badge { right: 0; bottom: -18px; padding: 10px 16px; font-size: 13px; }
  .client-row { grid-template-columns: 1fr; gap: 10px; padding: 20px; }
  .client-row.head { display: none; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; gap: 24px; }
  .footer-links { justify-content: center; }
  .footer-meta { text-align: center; }
  .nav-cta { display: none; }
  .pricing-card { padding: 32px 22px; }
}
@media (max-width: 480px) {
  .qr-cards { grid-template-columns: 1fr; gap: 16px; max-width: 320px; margin-inline: auto; }
  .phone-big { padding: 12px 18px; }
  .contact-inner { gap: 44px; }
  .hero-actions .btn { width: 100%; }
}