:root {
  --ink: #07111f;
  --ink-2: #0c1b2e;
  --panel: #111c2b;
  --line: #dce3ec;
  --muted: #647287;
  --blue: #1e6bff;
  --blue-2: #0a45bd;
  --green: #b7ff3c;
  --teal: #18d8c8;
  --red: #d9122a;
  --gold: #d3ad46;
  --paper: #f5f7fa;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(7, 17, 31, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 104px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

body.locked {
  overflow: hidden;
}

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

img {
  display: block;
  max-width: 100%;
}

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

.site-shell {
  min-height: 100vh;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(245, 247, 250, 0) 0, #f5f7fa 680px),
    var(--paper);
}

.topline {
  position: relative;
  z-index: 30;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.topline span {
  min-height: 34px;
  display: grid;
  place-items: center;
  font-size: 12px;
  background: rgba(7, 17, 31, 0.86);
}

.site-header {
  position: fixed;
  top: 34px;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  padding: 0 16px 0 20px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 17, 31, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.18);
}

.site-header.scrolled {
  top: 12px;
  background: rgba(7, 17, 31, 0.92);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 72px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--green);
  background: transparent;
  border: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 28px;
  font-weight: 800;
}

.brand-logo {
  padding: 2px 0;
  filter: drop-shadow(0 0 14px rgba(183, 255, 60, 0.16));
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand strong,
.footer-brand strong {
  display: block;
  color: #fff;
  font-size: 18px;
  line-height: 1.1;
}

.brand small {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 14px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex: 1;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  white-space: nowrap;
}

.main-nav a:hover {
  color: #fff;
}

.main-nav a.active {
  color: #fff;
}

.main-nav a.active::after {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  margin-top: 7px;
  background: var(--green);
}

.header-action,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease;
}

.header-action {
  color: var(--ink);
  background: var(--green);
  font-weight: 800;
}

.lang-switch {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 12px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  cursor: pointer;
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.lang-switch:hover {
  transform: translateY(-2px);
  border-color: rgba(183, 255, 60, 0.55);
  background: rgba(255, 255, 255, 0.11);
}

.lang-switch .lang-option {
  min-width: 27px;
  min-height: 24px;
  display: inline-grid;
  place-items: center;
  padding: 0 5px;
}

.lang-switch .lang-option.active {
  color: var(--ink);
  background: var(--green);
}

.lang-divider {
  color: rgba(255, 255, 255, 0.34);
}

.header-action:hover,
.btn:hover {
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.hero {
  position: relative;
  min-height: 88vh;
  padding: 150px 0 54px;
  color: #fff;
  background: var(--ink);
}

.hero-media,
.hero-shade,
.circuit-layer {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.54;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(7, 17, 31, 0.96) 0%, rgba(7, 17, 31, 0.84) 42%, rgba(7, 17, 31, 0.34) 100%),
    linear-gradient(180deg, rgba(7, 17, 31, 0.24) 0%, rgba(7, 17, 31, 0.94) 100%);
}

.circuit-layer {
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(183, 255, 60, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 107, 255, 0.12) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000 0, transparent 75%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 40px));
  min-height: calc(88vh - 204px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 0.85fr);
  align-items: center;
  gap: 30px;
}

.hero-copy {
  max-width: 720px;
  padding-top: 20px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--green);
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 18px;
  font-weight: 800;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
}

.eyebrow span {
  padding: 6px 10px;
  color: var(--ink);
  background: var(--green);
}

.eyebrow b {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-weight: 800;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: 80px;
  line-height: 0.94;
}

.hero-lede {
  max-width: 660px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 18px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 28px;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 18px 42px rgba(30, 107, 255, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 20px 48px rgba(30, 107, 255, 0.36);
}

.btn-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tags span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 0 12px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
}

.hero-product {
  min-height: 590px;
  display: grid;
  align-content: center;
}

.product-stage {
  position: relative;
  height: 500px;
  isolation: isolate;
}

.product-stage::before {
  content: "";
  position: absolute;
  right: 6%;
  bottom: 34px;
  width: 72%;
  height: 28px;
  background: rgba(0, 0, 0, 0.48);
  filter: blur(18px);
  transform: skewX(-24deg);
}

.product {
  position: absolute;
  width: 58%;
  max-width: 430px;
  object-fit: contain;
  filter: drop-shadow(0 34px 58px rgba(0, 0, 0, 0.58));
}

.product-main {
  right: 8%;
  bottom: 14px;
  z-index: 5;
}

.product-iso-main {
  right: 13%;
  bottom: -18px;
  width: min(52%, 350px);
  max-width: 350px;
  filter: drop-shadow(0 40px 72px rgba(0, 0, 0, 0.58));
}

.product-back-left {
  left: 0;
  bottom: 58px;
  width: 34%;
  opacity: 0.46;
  transform: rotate(-8deg);
  z-index: 2;
}

.product-back-right {
  right: 0;
  top: 86px;
  width: 32%;
  opacity: 0.42;
  transform: rotate(7deg);
  z-index: 1;
}

.trace-chip {
  position: absolute;
  z-index: 7;
  color: #fff;
  background: rgba(9, 21, 36, 0.76);
  border: 1px solid rgba(183, 255, 60, 0.34);
  backdrop-filter: blur(12px);
}

.trace-chip {
  top: 104px;
  left: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 12px;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
}

.trust-rail {
  position: relative;
  z-index: 4;
  width: min(1180px, calc(100% - 40px));
  margin: -24px auto 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  color: #fff;
  background: var(--white);
  box-shadow: var(--shadow);
}

.trust-rail div {
  min-height: 112px;
  padding: 24px;
  background: var(--ink);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-rail div:nth-child(2) {
  background: #0f263f;
}

.trust-rail div:nth-child(3) {
  background: #14202d;
}

.trust-rail div:nth-child(4) {
  background: #10151d;
  border-right: 0;
}

.trust-rail strong {
  display: block;
  margin-bottom: 6px;
  color: var(--green);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 32px;
  line-height: 1;
}

.trust-rail span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.section {
  padding: 112px 0;
}

.section-light {
  background: var(--paper);
}

.section-heading {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto 48px;
}

.section-heading h2,
.trace-copy h2,
.about-panel h2,
.cooperation-copy h2,
.contact-copy h2 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 56px;
  line-height: 1;
}

.section-heading p:not(.section-kicker),
.trace-copy p,
.about-panel p,
.cooperation-copy p,
.contact-copy p {
  max-width: 760px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.advantage-grid,
.product-grid,
.audience-grid,
.article-grid {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.advantage-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.advantage-card {
  min-height: 280px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 14px 46px rgba(7, 17, 31, 0.06);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.advantage-card:hover {
  transform: translateY(-6px);
  border-color: rgba(30, 107, 255, 0.38);
  box-shadow: 0 24px 60px rgba(7, 17, 31, 0.12);
}

.advantage-card > svg {
  width: 38px;
  height: 38px;
  color: var(--blue);
  margin-bottom: 28px;
}

.advantage-card h3,
.audience-item h3,
.partner-card h3,
.article-card h3,
.product-info h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.25;
}

.advantage-card p,
.audience-item p,
.partner-card p,
.article-card p,
.product-info p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.trace-section {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 0.8fr);
  gap: 42px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto 36px;
  padding: 92px 0;
}

.trace-section::before {
  content: "";
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  background:
    linear-gradient(135deg, rgba(7, 17, 31, 0.96), rgba(14, 31, 52, 0.96)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 120px);
}

.trace-copy h2,
.trace-copy p {
  color: #fff;
}

.trace-copy .section-kicker,
.contact-copy .section-kicker {
  color: var(--green);
}

.trace-copy p {
  color: rgba(255, 255, 255, 0.82);
}

.trace-inline-cta {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  margin-top: 22px;
  padding: 0 18px;
  color: var(--ink);
  background: var(--green);
  font-weight: 900;
}

.trace-steps {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.trace-steps span {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 56px;
  color: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.trace-steps b {
  color: var(--green);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 30px;
}

.trace-tool {
  padding: 28px;
  color: #fff;
  background: rgba(17, 32, 50, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.tool-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 22px;
  margin-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.tool-header span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
}

.tool-header b {
  color: var(--green);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 22px;
}

.trace-form label,
.contact-form label {
  display: grid;
  gap: 9px;
  color: rgba(255, 255, 255, 0.84);
  font-weight: 700;
}

.trace-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 10px;
}

.trace-input-row input,
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid transparent;
  outline: 0;
}

.trace-input-row input:focus,
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(183, 255, 60, 0.16);
}

.trace-scan {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.qr-frame {
  padding: 12px;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.qr-frame img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.scan-copy h3 {
  margin-bottom: 10px;
  color: #fff;
  font-size: 28px;
  line-height: 1.15;
}

.scan-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.75;
}

.scan-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
}

.wechat-menu-preview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-top: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.16);
}

.wechat-menu-preview span,
.wechat-menu-preview strong {
  min-height: 48px;
  display: grid;
  place-items: center;
  padding: 0 10px;
  background: rgba(7, 17, 31, 0.72);
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.wechat-menu-preview strong {
  color: var(--ink);
  background: var(--green);
  font-weight: 900;
}

.form-note {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  line-height: 1.7;
}

.trace-result {
  margin-top: 22px;
  padding: 18px;
  background: rgba(183, 255, 60, 0.1);
  border: 1px solid rgba(183, 255, 60, 0.28);
}

.result-status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  color: var(--green);
  font-weight: 800;
}

.trace-result dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.trace-result div {
  padding: 12px;
  background: rgba(255, 255, 255, 0.08);
}

.trace-result dt {
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
}

.trace-result dd {
  margin: 4px 0 0;
  color: #fff;
  font-size: 14px;
}

.product-section {
  padding-top: 100px;
  background:
    linear-gradient(180deg, #ffffff 0%, #ffffff 62%, #edf3fa 100%),
    radial-gradient(circle at 18% 0%, rgba(30, 107, 255, 0.12), transparent 34%);
}

.product-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.product-proof {
  min-width: 260px;
  padding: 18px 20px;
  background: var(--ink);
  color: #fff;
  border-left: 5px solid var(--green);
  box-shadow: 0 18px 50px rgba(7, 17, 31, 0.12);
}

.product-proof strong,
.product-proof span {
  display: block;
}

.product-proof strong {
  color: var(--green);
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 28px;
  line-height: 1;
}

.product-proof strong#productTotal {
  font-size: 52px;
}

.product-proof span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.goal-strip {
  width: min(1180px, calc(100% - 40px));
  margin: -20px auto 30px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgba(7, 17, 31, 0.1);
  background: #fff;
  box-shadow: 0 22px 70px rgba(7, 17, 31, 0.08);
}

.goal-strip article {
  min-height: 118px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 22px;
  border-right: 1px solid rgba(7, 17, 31, 0.08);
  transition: background 180ms ease, transform 180ms ease;
}

.goal-strip article:last-child {
  border-right: 0;
}

.goal-strip article:hover {
  background: #f5f8fc;
  transform: translateY(-2px);
}

.goal-strip svg {
  width: 22px;
  height: 22px;
  color: var(--blue);
}

.goal-strip strong {
  color: var(--ink);
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 22px;
  line-height: 0.95;
  letter-spacing: 0;
}

.goal-strip span {
  color: #5e7085;
  font-size: 13px;
  font-weight: 800;
}

.catalog-summary {
  width: min(1180px, calc(100% - 40px));
  margin: -8px auto 24px;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.catalog-stat {
  min-height: 108px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 16px;
  text-align: left;
  background: #fff;
  border: 1px solid #dfe8f2;
  cursor: pointer;
  box-shadow: 0 14px 40px rgba(7, 17, 31, 0.05);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.catalog-stat:hover {
  transform: translateY(-3px);
  border-color: rgba(30, 107, 255, 0.32);
  box-shadow: 0 20px 52px rgba(7, 17, 31, 0.1);
}

.catalog-stat small {
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.catalog-stat strong {
  color: var(--ink);
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 42px;
  line-height: 0.92;
}

.catalog-stat span {
  color: #52667c;
  font-size: 13px;
  font-weight: 900;
}

.catalog-control-deck {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto 26px;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(7, 17, 31, 0.98), rgba(16, 34, 55, 0.96)),
    radial-gradient(circle at 8% 0%, rgba(183, 255, 60, 0.18), transparent 30%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 5px solid var(--green);
  box-shadow: 0 24px 70px rgba(7, 17, 31, 0.18);
}

.catalog-control-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.catalog-control-title span {
  color: var(--green);
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 22px;
  font-weight: 900;
  text-transform: uppercase;
}

.catalog-control-title strong {
  color: #fff;
  font-size: 14px;
}

.product-toolbar {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.catalog-control-deck .product-toolbar {
  width: 100%;
  margin: 0 0 14px;
}

.product-filter {
  min-height: 42px;
  padding: 0 16px;
  color: #20324a;
  background: #fff;
  border: 1px solid var(--line);
  cursor: pointer;
  font-weight: 800;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.catalog-control-deck .product-filter {
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}

.product-filter:hover {
  transform: translateY(-2px);
  border-color: rgba(30, 107, 255, 0.36);
}

.product-filter.active {
  color: var(--ink);
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 14px 36px rgba(183, 255, 60, 0.24);
}

.catalog-control-deck .product-filter.active {
  color: var(--ink);
}

.product-catalog-tools {
  width: min(1180px, calc(100% - 40px));
  margin: -14px auto 26px;
  display: grid;
  grid-template-columns: minmax(280px, 520px) minmax(240px, 1fr);
  gap: 14px;
  align-items: center;
}

.catalog-control-deck .product-catalog-tools {
  width: 100%;
  margin: 0;
}

.product-search {
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  background: #fff;
  border: 1px solid #dde6f0;
  box-shadow: 0 16px 40px rgba(7, 17, 31, 0.05);
}

.product-search svg {
  color: var(--blue);
}

.product-search input {
  width: 100%;
  height: 48px;
  min-width: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  outline: 0;
  font: inherit;
  font-weight: 800;
}

.product-source {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  padding: 0 16px;
  color: #52667c;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #e2ebf5;
  font-size: 13px;
  font-weight: 800;
}

.catalog-control-deck .product-source {
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.12);
}

.catalog-control-deck .product-source a {
  color: var(--green);
}

.product-source a {
  color: var(--blue);
  font-weight: 900;
}

.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-grid.is-filtered {
  grid-template-columns: minmax(280px, 320px);
  justify-content: start;
}

.product-card {
  display: grid;
  grid-template-rows: 214px 1fr;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(220, 227, 236, 0.96);
  box-shadow: 0 12px 42px rgba(7, 17, 31, 0.05);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease, opacity 180ms ease;
}

.product-card.featured-catalog-card {
  border-color: rgba(183, 255, 60, 0.78);
  box-shadow: 0 24px 70px rgba(7, 17, 31, 0.13);
}

.featured-catalog-card .product-image {
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 1) 0 34%, rgba(235, 244, 230, 0.98) 35% 70%, rgba(216, 235, 212, 0.92) 100%),
    repeating-linear-gradient(45deg, rgba(183, 255, 60, 0.12) 0 1px, transparent 1px 20px);
}

.featured-catalog-card .product-badge {
  color: var(--ink);
  background: var(--green);
}

.product-card.is-hidden {
  display: none;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(30, 107, 255, 0.24);
  box-shadow: var(--shadow);
}

.product-image {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  padding: 18px;
  background:
    radial-gradient(circle at 50% 44%, rgba(255, 255, 255, 0.98) 0 34%, rgba(232, 239, 248, 0.96) 35% 70%, rgba(217, 226, 238, 0.88) 100%),
    repeating-linear-gradient(45deg, rgba(7, 17, 31, 0.06) 0 1px, transparent 1px 20px);
}

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  color: var(--ink);
  background: var(--green);
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
  box-shadow: 0 12px 26px rgba(183, 255, 60, 0.24);
}

.product-image::before {
  content: "";
  position: absolute;
  inset: 20px;
  z-index: -1;
  border: 1px solid rgba(7, 17, 31, 0.06);
}

.product-image::after {
  content: "";
  position: absolute;
  left: 24%;
  right: 24%;
  bottom: 26px;
  height: 16px;
  z-index: -1;
  background: rgba(7, 17, 31, 0.18);
  filter: blur(14px);
}

.product-image img {
  width: 100%;
  height: 184px;
  object-fit: contain;
  filter: drop-shadow(0 20px 34px rgba(7, 17, 31, 0.2));
  transition: transform 220ms ease;
}

.product-card:hover .product-image img {
  transform: scale(1.04);
}

.catalog-card .product-image img {
  height: 184px;
}

.product-info {
  padding: 18px;
  background: #fff;
}

.product-info h3 {
  min-height: 52px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.product-info p {
  min-height: 70px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.product-series,
.article-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.product-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: 14px;
}

.product-stats span {
  min-height: 54px;
  display: grid;
  place-items: center;
  gap: 2px;
  padding: 10px 6px;
  color: var(--ink);
  background: #f3f7fb;
  border: 1px solid #e5edf6;
}

.product-stats strong {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 0.92;
  letter-spacing: 0;
  white-space: nowrap;
}

.product-stats small {
  color: #61748a;
  font-size: 11px;
  font-weight: 900;
}

.catalog-card .product-stats strong {
  max-width: 100%;
  font-size: 18px;
  white-space: normal;
  overflow-wrap: anywhere;
  text-align: center;
}

.catalog-card .product-stats span {
  align-content: center;
}

.catalog-card .product-info p {
  min-height: 46px;
  color: #5f7186;
  font-size: 14px;
  line-height: 1.55;
  -webkit-line-clamp: 2;
}

.catalog-card .product-stats span {
  min-height: 48px;
  padding: 8px 4px;
}

.catalog-card .product-stats small {
  font-size: 10px;
}

.product-facts {
  display: grid;
  gap: 7px;
  margin-top: 14px;
  padding: 12px 0;
  border-top: 1px solid #edf1f6;
  border-bottom: 1px solid #edf1f6;
}

.product-facts span {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: #4c5f77;
  font-size: 13px;
  line-height: 1.45;
}

.product-facts b {
  color: var(--ink);
  white-space: nowrap;
}

.product-facts em {
  min-width: 0;
  display: -webkit-box;
  overflow: hidden;
  font-style: normal;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.catalog-card .product-facts {
  gap: 5px;
  margin-top: 12px;
  padding: 10px 0;
}

.catalog-card .product-facts span {
  font-size: 12px;
  line-height: 1.35;
}

.catalog-card .product-facts span:nth-child(3) {
  display: none;
}

.catalog-card .product-facts em {
  -webkit-line-clamp: 1;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.product-tags b {
  padding: 5px 8px;
  color: #17324f;
  background: #eef4ff;
  font-size: 12px;
}

.catalog-card .product-tags {
  min-height: 26px;
  flex-wrap: nowrap;
  overflow: hidden;
}

.catalog-card .product-tags b {
  white-space: nowrap;
}

.catalog-card .product-tags b:nth-child(n + 3) {
  display: none;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 16px;
  color: var(--blue);
  font-weight: 900;
}

.product-link:hover {
  color: var(--blue-2);
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.catalog-card .product-link {
  font-size: 13px;
}

.product-link-muted {
  color: #52667c;
}

.catalog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 34px;
  color: #52667c;
  background: #fff;
  border: 1px solid #e0e8f1;
  font-weight: 900;
}

.catalog-more {
  width: min(1180px, calc(100% - 40px));
  margin: 28px auto 0;
  display: flex;
  justify-content: center;
}

.catalog-more .btn[hidden] {
  display: none;
}

.product-note {
  width: min(1180px, calc(100% - 40px));
  margin: 22px auto 0;
  padding: 14px 18px;
  color: #586b82;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #e3ebf5;
  font-size: 13px;
  font-weight: 700;
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.65fr);
  gap: 42px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 110px 0;
}

.about-panel {
  padding: 46px;
  background: #fff;
  border-left: 8px solid var(--green);
  box-shadow: var(--shadow);
}

.value-list {
  display: grid;
  align-content: stretch;
  gap: 14px;
}

.value-list div {
  padding: 28px;
  color: #fff;
  background: var(--ink);
}

.value-list div:nth-child(2) {
  background: #10243b;
}

.value-list div:nth-child(3) {
  background: var(--blue);
}

.value-list strong {
  display: block;
  margin-bottom: 12px;
  color: var(--green);
  font-size: 16px;
}

.value-list span {
  line-height: 1.75;
}

.audience-section {
  background: #fff;
}

.audience-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.audience-item {
  min-height: 220px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 5px solid var(--blue);
}

.audience-item:nth-child(2) {
  border-top-color: var(--red);
}

.audience-item:nth-child(3) {
  border-top-color: var(--green);
}

.audience-item:nth-child(4) {
  border-top-color: var(--gold);
}

.audience-item > svg {
  width: 34px;
  height: 34px;
  margin-bottom: 24px;
  color: var(--ink);
}

.cooperation-section {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(500px, 0.95fr);
  gap: 52px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 112px 0;
}

.cooperation-section::before {
  content: "";
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  background: linear-gradient(180deg, #f5f7fa, #eaf0f7);
}

.cooperation-copy .btn {
  margin-top: 20px;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.partner-card {
  min-height: 230px;
  padding: 26px;
  color: #fff;
  background: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.partner-card:nth-child(2),
.partner-card:nth-child(3) {
  background: #10243b;
}

.partner-card span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  color: var(--ink);
  background: var(--green);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 24px;
  font-weight: 800;
}

.partner-card h3 {
  color: #fff;
}

.partner-card p {
  color: rgba(255, 255, 255, 0.68);
}

.classroom-section {
  background: #fff;
}

.article-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-card {
  min-height: 230px;
  padding: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.94)),
    repeating-linear-gradient(-45deg, rgba(30, 107, 255, 0.12) 0 2px, transparent 2px 18px);
  border: 1px solid var(--line);
}

.contact-section {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(500px, 0.95fr);
  gap: 56px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 106px 0;
  color: #fff;
}

.contact-section::before {
  content: "";
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  background:
    linear-gradient(140deg, rgba(7, 17, 31, 0.98), rgba(7, 17, 31, 0.88)),
    repeating-linear-gradient(90deg, rgba(183, 255, 60, 0.08) 0 1px, transparent 1px 80px);
}

.contact-copy h2,
.contact-copy p {
  color: #fff;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.84);
}

.contact-copy ul {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 34px 0 0;
  list-style: none;
}

.contact-copy li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.9);
}

.contact-form {
  padding: 30px;
  background: rgba(17, 32, 50, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(16px);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.contact-form textarea {
  min-height: 128px;
  padding-top: 14px;
  resize: vertical;
}

.contact-form .btn {
  margin-top: 18px;
}

.form-success {
  margin: 16px 0 0;
  color: var(--green);
  font-weight: 700;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 34px max(20px, calc((100vw - 1180px) / 2));
  color: rgba(255, 255, 255, 0.68);
  background: #050b14;
}

.footer-brand p {
  margin: 4px 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.72);
}

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

.legal {
  max-width: 340px;
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
}

.mobile-quick-actions {
  display: none;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke-width: 2.2;
}

@media (max-width: 1080px) {
  .site-header {
    width: min(960px, calc(100% - 28px));
  }

  .main-nav {
    position: fixed;
    top: 78px;
    right: 0;
    display: none;
    width: min(360px, calc(100vw - 28px));
    padding: 20px;
    align-items: stretch;
    flex-direction: column;
    background: rgba(7, 17, 31, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.12);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    min-height: 42px;
    display: flex;
    align-items: center;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
    margin-left: auto;
  }

  .header-action {
    display: none;
  }

  .lang-switch {
    min-width: 88px;
  }

  .hero-inner,
  .trace-section,
  .about-section,
  .cooperation-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
  }

  .hero-product {
    min-height: 480px;
  }

  .product-stage {
    height: 390px;
  }

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

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

  .catalog-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .product-catalog-tools {
    grid-template-columns: 1fr;
  }

  .product-source {
    justify-content: space-between;
  }

  .goal-strip article:nth-child(2n) {
    border-right: 0;
  }

  .product-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .product-proof {
    min-width: 0;
  }

  .cooperation-section,
  .contact-section {
    gap: 32px;
  }
}

@media (max-width: 760px) {
  .topline {
    display: none;
  }

  .site-header,
  .site-header.scrolled {
    top: 10px;
    min-height: 62px;
    width: calc(100% - 20px);
    padding: 0 10px 0 12px;
  }

  .brand strong {
    font-size: 16px;
  }

  .brand small {
    font-size: 12px;
  }

  .brand-mark {
    width: 62px;
    height: 36px;
  }

  .brand {
    gap: 9px;
  }

  .lang-switch {
    min-width: 76px;
    min-height: 40px;
    padding: 0 8px;
    gap: 4px;
    font-size: 13px;
  }

  .lang-switch svg {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 90px 0 26px;
  }

  body {
    padding-bottom: 74px;
  }

  .hero-inner,
  .section-heading,
  .goal-strip,
  .catalog-summary,
  .catalog-control-deck,
  .product-toolbar,
  .product-catalog-tools,
  .catalog-more,
  .product-note,
  .advantage-grid,
  .product-grid,
  .audience-grid,
  .article-grid,
  .trace-section,
  .about-section,
  .cooperation-section,
  .contact-section,
  .trust-rail {
    width: calc(100% - 28px);
  }

  .eyebrow {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: 40px;
    line-height: 1.02;
  }

  .hero-lede {
    font-size: 16px;
    line-height: 1.8;
  }

  .hero-actions,
  .hero-tags {
    align-items: stretch;
  }

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

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

  .hero-tags span {
    min-height: 44px;
  }

  .hero-product {
    min-height: 300px;
  }

  .product-stage {
    height: 220px;
  }

  .product-main {
    right: 6%;
    width: 56%;
  }

  .product-iso-main {
    right: 18%;
    bottom: -22px;
    width: 44%;
  }

  .product-back-left,
  .product-back-right {
    width: 30%;
  }

  .trace-chip {
    top: 28px;
    left: 0;
  }

  .trust-rail,
  .advantage-grid,
  .product-grid,
  .audience-grid,
  .article-grid,
  .partner-grid,
  .field-grid,
  .trace-result dl {
    grid-template-columns: 1fr;
  }

  .trust-rail {
    margin-top: 0;
  }

  .trust-rail div {
    min-height: 86px;
  }

  .section,
  .trace-section,
  .about-section,
  .cooperation-section,
  .contact-section {
    padding: 72px 0;
  }

  .section-heading h2,
  .trace-copy h2,
  .about-panel h2,
  .cooperation-copy h2,
  .contact-copy h2 {
    font-size: 38px;
    line-height: 1.08;
  }

  .trace-input-row {
    grid-template-columns: 1fr;
  }

  .trace-inline-cta {
    display: inline-flex;
    width: 100%;
  }

  .trace-steps {
    margin-top: 22px;
  }

  .trace-steps span {
    min-height: 48px;
  }

  .trace-scan {
    grid-template-columns: 1fr;
  }

  .qr-frame {
    width: min(230px, 100%);
    margin: 0 auto;
  }

  .scan-copy {
    text-align: center;
  }

  .scan-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .about-panel,
  .trace-tool,
  .contact-form {
    padding: 22px;
  }

  .product-card {
    grid-template-rows: 250px 1fr;
  }

  .product-grid.is-filtered {
    grid-template-columns: 1fr;
  }

  .product-section {
    padding-top: 76px;
  }

  .product-heading {
    gap: 18px;
    margin-bottom: 28px;
  }

  .product-proof {
    padding: 16px;
  }

  .goal-strip {
    margin: -10px auto 22px;
    gap: 1px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    background: #dfe7f0;
  }

  .goal-strip article {
    min-height: 98px;
    padding: 16px 14px;
    background: #fff;
    border-right: 0;
  }

  .goal-strip strong {
    font-size: 19px;
  }

  .goal-strip span {
    font-size: 12px;
    line-height: 1.35;
  }

  .catalog-summary {
    margin: -8px auto 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .catalog-stat {
    min-height: 86px;
    padding: 12px;
  }

  .catalog-stat strong {
    font-size: 34px;
  }

  .catalog-control-deck {
    padding: 12px;
  }

  .catalog-control-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .product-toolbar {
    flex-wrap: nowrap;
    overflow-x: auto;
    margin-top: 0;
    margin-bottom: 22px;
    padding-bottom: 6px;
    scrollbar-width: none;
  }

  .product-toolbar::-webkit-scrollbar {
    display: none;
  }

  .product-filter {
    flex: 0 0 auto;
    min-height: 40px;
    padding: 0 14px;
  }

  .product-catalog-tools {
    margin-top: -4px;
    margin-bottom: 20px;
  }

  .product-search,
  .product-source {
    min-height: 50px;
    padding: 0 12px;
  }

  .product-source {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    padding: 10px 12px;
  }

  .product-image img {
    height: 216px;
  }

  .catalog-card .product-image img {
    height: 210px;
  }

  .product-info {
    padding: 22px;
  }

  .product-info h3,
  .product-info p {
    min-height: auto;
  }

  .product-stats strong {
    font-size: 22px;
  }

  .catalog-card .product-stats strong {
    font-size: 20px;
  }

  .catalog-more {
    margin-top: 22px;
  }

  .mobile-quick-actions {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 80;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 18px 50px rgba(7, 17, 31, 0.28);
    backdrop-filter: blur(16px);
  }

  .mobile-quick-actions a {
    min-height: 54px;
    display: grid;
    place-items: center;
    gap: 2px;
    color: #fff;
    background: rgba(7, 17, 31, 0.9);
    font-size: 12px;
    font-weight: 800;
  }

  .mobile-quick-actions a:nth-child(2) {
    color: var(--ink);
    background: var(--green);
  }

  .mobile-quick-actions svg {
    width: 18px;
    height: 18px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .legal {
    max-width: none;
  }
}

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

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