:root {
  --navy: #0b1c35;
  --navy-2: #102b4f;
  --blue: #2367f2;
  --blue-dark: #1650c8;
  --cyan: #18b7c9;
  --lime: #b7e33d;
  --coral: #ff6b5b;
  --ink: #13213a;
  --muted: #617087;
  --line: #dce4ef;
  --soft: #eef4fb;
  --paper: #f8fafc;
  --white: #ffffff;
  --header-height: 76px;
  --shadow: 0 22px 60px rgba(11, 28, 53, 0.14);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  letter-spacing: 0;
}

body.menu-open,
body.dialog-open {
  overflow: hidden;
}

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

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

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

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

button {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--white);
  border: 2px solid var(--blue);
  transform: translateY(-150%);
}

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

.shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.section {
  padding: 112px 0;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  transition: background-color 220ms ease, box-shadow 220ms ease, color 220ms ease;
}

.site-header.scrolled,
.site-header.menu-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 35px rgba(11, 28, 53, 0.1);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 224px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  object-fit: contain;
  background: var(--white);
  border-radius: 6px;
}

.brand-ai {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--navy);
  background: var(--lime);
  border-radius: 6px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1;
}

.brand-name {
  display: grid;
  line-height: 1.08;
}

.brand-name strong {
  font-size: 18px;
  font-weight: 800;
}

.brand-name small {
  margin-top: 5px;
  font-size: 11px;
  opacity: 0.72;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-left: auto;
  margin-right: 25px;
}

.desktop-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 650;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 760;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

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

.button svg,
.icon-button svg,
.play-button svg {
  width: 19px;
  height: 19px;
  stroke-width: 2;
}

.button-primary {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 12px 30px rgba(35, 103, 242, 0.28);
}

.button-primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 15px 34px rgba(35, 103, 242, 0.34);
}

.button-light {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.94);
}

.button-light:hover {
  background: var(--white);
}

.button-small {
  min-height: 40px;
  padding: 0 16px;
  font-size: 13px;
}

.site-header:not(.scrolled):not(.menu-visible) .header-cta {
  color: var(--navy);
  background: var(--lime);
  box-shadow: none;
}

.icon-button {
  display: inline-grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle {
  display: none;
}

.mobile-nav {
  position: absolute;
  top: var(--header-height);
  right: 0;
  left: 0;
  padding: 12px 24px 24px;
  color: var(--ink);
  background: var(--white);
  border-top: 1px solid var(--line);
  box-shadow: 0 22px 38px rgba(11, 28, 53, 0.12);
}

.mobile-nav a {
  display: block;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.hero {
  position: relative;
  display: flex;
  min-height: 94svh;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("assets/场地环境图2.jpg");
  background-position: center 48%;
  background-size: cover;
}

.hero-overlay {
  background: rgba(4, 19, 40, 0.69);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--header-height) + 68px);
  padding-bottom: 110px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 750;
  text-transform: uppercase;
}

.eyebrow span {
  width: 34px;
  height: 3px;
  background: var(--lime);
}

.eyebrow.dark {
  color: var(--blue);
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(48px, 6.6vw, 92px);
  font-weight: 850;
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 670px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 1.7vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.hero-points {
  display: flex;
  gap: 0;
  max-width: 960px;
  margin-top: 54px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-points div {
  display: grid;
  width: 25%;
  gap: 2px;
  padding: 20px 28px 0 0;
}

.hero-points strong {
  color: var(--lime);
  font-size: 15px;
}

.hero-points span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.hero-scroll {
  position: absolute;
  z-index: 2;
  right: 36px;
  bottom: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 12px;
  writing-mode: vertical-rl;
}

.hero-scroll svg {
  width: 17px;
  height: 17px;
  animation: down 1.8s ease-in-out infinite;
}

@keyframes down {
  50% { transform: translateY(6px); }
}

.intro {
  position: relative;
  background: var(--paper);
}

.intro::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 23%;
  height: 8px;
  content: "";
  background: var(--lime);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: 82px;
  align-items: center;
}

.section-heading h2,
.experience-copy h2,
.system-copy h2,
.case-copy h2,
.guidance-copy h2,
.contact-copy h2,
.video-content h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 58px);
  font-weight: 820;
  line-height: 1.14;
  letter-spacing: 0;
}

.section-heading > p:last-child,
.section-copy,
.system-copy > p,
.contact-copy > p {
  max-width: 620px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.learning-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.map-line {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 8%;
  width: 84%;
  height: 2px;
  background: var(--blue);
  opacity: 0.18;
}

.map-node {
  position: relative;
  z-index: 1;
  min-height: 218px;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(11, 28, 53, 0.06);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.map-node:hover {
  transform: translateY(-5px);
  border-color: rgba(35, 103, 242, 0.42);
  box-shadow: 0 18px 42px rgba(11, 28, 53, 0.1);
}

.map-node > svg {
  width: 30px;
  height: 30px;
  color: var(--blue);
}

.map-node h3 {
  margin: 23px 0 5px;
  font-size: 19px;
}

.map-node p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.node-index {
  position: absolute;
  top: 22px;
  right: 24px;
  max-width: calc(100% - 80px);
  color: #8290a4;
  font-size: 11px;
  font-weight: 800;
  text-align: right;
}

.node-two > svg { color: var(--cyan); }
.node-three > svg { color: var(--coral); }
.node-four > svg { color: #7fa600; }

.experience {
  overflow: hidden;
  background: var(--white);
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: 86px;
  align-items: center;
}

.experience-photo {
  position: relative;
  min-height: 610px;
}

.experience-photo::before {
  position: absolute;
  z-index: 0;
  top: -24px;
  right: -24px;
  width: 58%;
  height: 66%;
  content: "";
  background: var(--lime);
}

.experience-photo img {
  position: absolute;
  z-index: 1;
  inset: 0;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.photo-caption {
  position: absolute;
  z-index: 2;
  right: -32px;
  bottom: 36px;
  display: flex;
  width: min(330px, 76%);
  align-items: center;
  gap: 13px;
  padding: 20px 22px;
  color: var(--white);
  background: var(--navy);
  border-radius: 6px;
  box-shadow: var(--shadow);
  font-size: 14px;
  font-weight: 700;
}

.photo-caption svg {
  flex: 0 0 auto;
  color: var(--lime);
}

.feature-list {
  display: grid;
  gap: 25px;
  margin-top: 38px;
}

.feature-list article {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 17px;
  align-items: start;
}

.feature-icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: var(--blue);
  background: #eaf1ff;
  border-radius: 6px;
}

.feature-icon.cyan { color: #008c9a; background: #e1f8fa; }
.feature-icon.coral { color: #d94a3c; background: #fff0ed; }

.feature-list h3 {
  margin: 0 0 5px;
  font-size: 18px;
}

.feature-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.system-demo {
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}

.system-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 70px;
  align-items: center;
}

.system-copy > p {
  color: rgba(255, 255, 255, 0.68);
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 14px;
}

.check-list svg {
  width: 20px;
  height: 20px;
  padding: 3px;
  color: var(--navy);
  background: var(--lime);
  border-radius: 50%;
}

.device-stage {
  position: relative;
}

.device-stage::after {
  position: absolute;
  z-index: 0;
  right: -18%;
  bottom: -35%;
  width: 68%;
  height: 46%;
  content: "";
  background: var(--cyan);
  opacity: 0.16;
  filter: blur(58px);
}

.device-frame {
  position: relative;
  z-index: 1;
  padding: 12px;
  background: #07101d;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.34);
}

.device-camera {
  position: absolute;
  z-index: 2;
  top: 5px;
  left: 50%;
  width: 5px;
  height: 5px;
  background: #334b65;
  border-radius: 50%;
}

.device-screen {
  display: grid;
  min-height: 470px;
  overflow: hidden;
  grid-template-columns: 66px minmax(0, 1fr);
  color: var(--ink);
  background: #f4f7fb;
  border-radius: 4px;
}

.demo-sidebar {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 15px;
  padding: 16px 10px;
  background: var(--white);
  border-right: 1px solid #e5eaf0;
}

.demo-logo {
  display: grid;
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
  place-items: center;
  color: var(--navy);
  background: var(--lime);
  border-radius: 6px;
  font-size: 15px;
  font-weight: 900;
}

.demo-sidebar button {
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0;
  place-items: center;
  color: #8593a7;
  background: transparent;
  border: 0;
  border-radius: 6px;
}

.demo-sidebar button.active {
  color: var(--white);
  background: var(--blue);
}

.demo-sidebar svg {
  width: 17px;
  height: 17px;
}

.demo-content {
  position: relative;
  padding: 24px;
}

.demo-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.demo-topbar div {
  display: grid;
}

.demo-topbar small {
  color: var(--muted);
  font-size: 10px;
}

.demo-topbar strong {
  font-size: 18px;
}

.demo-avatar {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--blue);
  background: #dfe9ff;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 800;
}

.demo-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 25px;
  padding: 18px 20px;
  background: var(--navy-2);
  border-radius: 7px;
  color: var(--white);
}

.demo-progress > div:first-child {
  display: grid;
}

.demo-progress span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 10px;
}

.demo-progress strong {
  margin-top: 3px;
  font-size: 15px;
}

.progress-ring {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 7px solid var(--lime);
  border-right-color: rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  transform: rotate(-26deg);
}

.progress-ring span {
  color: var(--white);
  font-size: 11px;
  font-weight: 800;
  transform: rotate(26deg);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 12px;
  margin-top: 14px;
}

.knowledge-main,
.knowledge-item {
  padding: 18px;
  background: var(--white);
  border: 1px solid #e5eaf0;
  border-radius: 7px;
}

.knowledge-main {
  display: grid;
  grid-row: span 2;
  align-content: center;
}

.knowledge-main span,
.knowledge-item span {
  color: var(--muted);
  font-size: 9px;
}

.knowledge-main strong {
  margin: 4px 0 16px;
  font-size: 14px;
}

.knowledge-main button {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  color: var(--white);
  background: var(--blue);
  border: 0;
  border-radius: 5px;
  font-size: 10px;
  font-weight: 700;
}

.knowledge-main svg,
.knowledge-item svg {
  width: 14px;
  height: 14px;
}

.knowledge-item {
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: center;
  column-gap: 8px;
}

.knowledge-item svg {
  grid-row: span 2;
  color: #41aa6f;
}

.knowledge-item strong {
  font-size: 11px;
}

.knowledge-item.yellow svg {
  color: #d79a00;
}

.activity-line {
  position: absolute;
  right: 24px;
  bottom: 20px;
  left: 24px;
  display: flex;
  height: 48px;
  align-items: end;
  gap: 6px;
}

.activity-line span {
  flex: 1;
  min-width: 4px;
  background: #cddcf7;
  border-radius: 2px 2px 0 0;
}

.activity-line span:nth-child(3n) { background: var(--cyan); }
.activity-line span:nth-child(4n) { background: var(--blue); }

.case-example {
  overflow: hidden;
  background: var(--white);
}

.case-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 86px;
  align-items: center;
}

.case-photo {
  position: relative;
  min-height: 590px;
}

.case-photo::before {
  position: absolute;
  z-index: 0;
  right: -24px;
  bottom: -24px;
  width: 62%;
  height: 44%;
  content: "";
  background: var(--navy);
}

.case-illustration {
  position: absolute;
  z-index: 1;
  inset: 0;
  overflow: hidden;
  color: var(--ink);
  background: #eaf2ff;
  border-radius: 8px;
}

.case-illustration::before,
.case-illustration::after {
  position: absolute;
  content: "";
  background: rgba(35, 103, 242, 0.08);
}

.case-illustration::before {
  top: 64px;
  bottom: 98px;
  left: 32%;
  width: 1px;
}

.case-illustration::after {
  top: 42%;
  right: 0;
  left: 0;
  height: 1px;
}

.illustration-brand {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 74px;
  align-items: center;
  gap: 10px;
  padding: 0 26px;
  color: var(--white);
  background: var(--navy);
  font-size: 14px;
  font-weight: 800;
}

.illustration-brand svg {
  width: 24px;
  height: 24px;
  color: var(--lime);
}

.illustration-board {
  position: absolute;
  z-index: 2;
  top: 74px;
  right: 0;
  bottom: 98px;
  left: 0;
}

.illustration-route {
  position: absolute;
  top: 20%;
  right: 15%;
  bottom: 18%;
  left: 16%;
  border-right: 2px solid rgba(35, 103, 242, 0.32);
  border-bottom: 2px solid rgba(35, 103, 242, 0.32);
}

.illustration-core {
  position: absolute;
  top: 34%;
  left: 50%;
  display: grid;
  width: 154px;
  height: 154px;
  place-items: center;
  align-content: center;
  gap: 10px;
  color: var(--white);
  background: var(--blue);
  border: 12px solid rgba(255, 255, 255, 0.74);
  border-radius: 50%;
  box-shadow: 0 20px 40px rgba(35, 103, 242, 0.22);
  transform: translate(-50%, -50%);
}

.illustration-core svg {
  width: 38px;
  height: 38px;
}

.illustration-core span {
  font-size: 12px;
  font-weight: 800;
}

.illustration-chip {
  position: absolute;
  z-index: 2;
  display: flex;
  min-width: 96px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  background: var(--white);
  border: 1px solid #d5e1f3;
  border-radius: 6px;
  box-shadow: 0 14px 34px rgba(11, 28, 53, 0.12);
  font-size: 12px;
  font-weight: 800;
}

.illustration-chip svg {
  width: 19px;
  height: 19px;
}

.chip-diagnose {
  top: 17%;
  left: 9%;
  color: var(--blue);
}

.chip-target {
  top: 18%;
  right: 8%;
  color: #68a000;
}

.chip-review {
  right: 12%;
  bottom: 15%;
  color: #008c9a;
}

.illustration-footer {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  min-height: 98px;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  padding: 0 26px;
  background: var(--white);
  border-top: 1px solid #d5e1f3;
}

.illustration-footer > div:first-child {
  display: grid;
}

.illustration-footer span {
  color: var(--muted);
  font-size: 10px;
}

.illustration-footer strong {
  margin-top: 2px;
  font-size: 14px;
}

.illustration-progress {
  height: 9px;
  overflow: hidden;
  background: #dce6f5;
  border-radius: 5px;
}

.illustration-progress span {
  display: block;
  width: 68%;
  height: 100%;
  background: var(--lime);
  border-radius: inherit;
}

.case-photo > span {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 18px;
  padding: 7px 11px;
  color: var(--white);
  background: rgba(11, 28, 53, 0.9);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 750;
}

.case-lead {
  max-width: 660px;
  margin: 24px 0 30px;
  color: var(--muted);
  font-size: 15px;
}

.case-steps {
  display: grid;
  border-top: 1px solid var(--line);
}

.case-steps article {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.case-steps article > span {
  padding-top: 2px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
}

.case-steps h3 {
  margin: 0 0 5px;
  font-size: 18px;
  line-height: 1.4;
}

.case-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.case-note {
  display: flex;
  max-width: 660px;
  align-items: flex-start;
  gap: 9px;
  margin: 24px 0 0;
  padding: 12px 14px;
  color: #50627c;
  background: #eef5ff;
  border-left: 3px solid var(--blue);
  border-radius: 4px;
  font-size: 12px;
}

.case-note svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  margin-top: 1px;
  color: var(--blue);
}

.report {
  overflow: hidden;
  background:
    linear-gradient(180deg, #f3f7fc 0%, #edf4fb 100%);
}

.report-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  column-gap: 72px;
  align-items: end;
}

.report-heading .eyebrow {
  grid-column: 1 / -1;
}

.report-heading h2 {
  max-width: 820px;
  font-size: clamp(36px, 3.55vw, 52px);
}

.report-heading > p:last-child {
  margin: 0 0 4px;
  font-size: 15px;
}

.centered {
  max-width: 780px;
  margin-inline: auto;
  text-align: center;
}

.centered .eyebrow {
  justify-content: center;
}

.centered > p:last-child {
  margin-inline: auto;
}

.report-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin-top: 48px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.report-card {
  position: relative;
  min-height: 252px;
  padding: 30px 25px 28px;
  background: transparent;
  border-right: 1px solid var(--line);
}

.report-card:last-child { border-right: 0; }

.report-card:nth-child(3) {
  color: var(--white);
  background: var(--navy-2);
  box-shadow: 0 20px 42px rgba(11, 28, 53, 0.18);
}

.report-card > svg {
  width: 31px;
  height: 31px;
  margin-bottom: 34px;
  color: var(--blue);
}

.report-card:nth-child(2) > svg { color: var(--cyan); }
.report-card:nth-child(3) > svg { color: var(--lime); }
.report-card:nth-child(4) > svg { color: #7fa600; }
.report-card:nth-child(5) > svg { color: var(--blue); }

.report-card > span {
  display: block;
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.report-card:nth-child(3) > span { color: var(--lime); }

.report-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.42;
}

.report-card p {
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.report-card:nth-child(3) p { color: rgba(255, 255, 255, 0.72); }

.report-proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.55fr);
  gap: 16px;
  margin-top: 16px;
}

.research-note {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin-top: 0;
  padding: 28px 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 5px solid var(--lime);
  border-radius: 8px;
}

.research-number {
  color: var(--navy);
  font-size: 42px;
  font-weight: 850;
  line-height: 1;
}

.research-number span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.research-note .eyebrow {
  margin-bottom: 8px;
}

.research-note h3 {
  margin: 0;
  font-size: 19px;
}

.research-note p:last-child {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.research-link {
  min-height: 44px;
  color: var(--blue);
  background: #edf3ff;
  border-color: #ccdaf8;
  box-shadow: none;
}

.report-actions {
  display: grid;
  align-content: center;
  gap: 22px;
  margin-top: 0;
  padding: 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.report-actions > div {
  display: flex;
  align-items: center;
  gap: 12px;
}

.report-actions > div > svg {
  width: 24px;
  height: 24px;
  color: var(--blue);
}

.report-actions span {
  display: grid;
  gap: 2px;
}

.report-actions strong {
  font-size: 14px;
}

.report-actions small {
  color: var(--muted);
  font-size: 12px;
}

.report-action-link {
  min-height: 42px;
  color: var(--blue);
  background: var(--white);
  border-color: #ccdaf8;
  box-shadow: none;
}

.report-actions .report-action-link {
  width: 100%;
}

.video-story {
  position: relative;
  display: flex;
  min-height: 600px;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}

.video-backdrop,
.video-overlay {
  position: absolute;
  inset: 0;
}

.video-backdrop {
  background-image: url("assets/正在学习的小朋友们.jpg");
  background-position: center 48%;
  background-size: cover;
  transform: scale(1.01);
}

.video-overlay {
  background: linear-gradient(90deg, rgba(4, 19, 40, 0.88) 0%, rgba(4, 19, 40, 0.65) 48%, rgba(4, 19, 40, 0.2) 100%);
}

.video-content {
  position: relative;
  z-index: 2;
}

.video-content h2 {
  max-width: 760px;
  font-size: clamp(38px, 4.25vw, 62px);
}

.video-lead {
  max-width: 520px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
}

.play-button {
  display: inline-flex;
  align-items: center;
  gap: 17px;
  margin-top: 36px;
  padding: 0;
  color: var(--white);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.play-button > span {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  color: var(--navy);
  background: var(--lime);
  border-radius: 50%;
  transition: transform 180ms ease;
}

.play-button:hover > span {
  transform: scale(1.08);
}

.play-button strong {
  font-size: 15px;
}

.guidance-video {
  background: var(--white);
}

.guidance-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(0, 1.18fr);
  gap: 82px;
  align-items: center;
}

.guidance-copy h2 {
  font-size: clamp(34px, 3.35vw, 50px);
}

.guidance-copy > p:not(.eyebrow):not(.guidance-note) {
  max-width: 520px;
  margin: 24px 0 0;
  color: var(--muted);
}

.guidance-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 24px 0 0;
  color: #517082;
  font-size: 12px;
  font-weight: 700;
}

.guidance-note svg {
  width: 18px;
  height: 18px;
  color: #5d9c1d;
}

.guidance-points {
  display: grid;
  gap: 0;
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.guidance-points span {
  display: flex;
  min-height: 54px;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  font-weight: 720;
}

.guidance-points svg {
  width: 19px;
  height: 19px;
  color: var(--blue);
}

.guidance-frame {
  margin: 0;
  overflow: hidden;
  background: var(--navy);
  border: 10px solid var(--white);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(11, 28, 53, 0.16);
}

.guidance-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #020913;
}

.guidance-frame figcaption {
  padding: 14px 18px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 96px;
  align-items: end;
}

.space {
  background: var(--paper);
}

.split-heading h2 {
  font-size: clamp(36px, 3.55vw, 52px);
}

.split-heading > p {
  margin: 0 0 8px;
}

.gallery {
  display: grid;
  grid-template-columns: 1.45fr 0.8fr;
  grid-template-rows: repeat(2, 238px);
  gap: 14px;
  margin-top: 48px;
}

.gallery figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--soft);
  border-radius: 6px;
}

.gallery-large {
  grid-row: 1 / 3;
}

.gallery img {
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.gallery figure:hover img {
  transform: scale(1.035);
}

.gallery figcaption {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 7px 10px;
  color: var(--white);
  background: rgba(11, 28, 53, 0.82);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
}

.local-story {
  overflow: hidden;
  background: var(--navy);
}

.story-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.86fr) minmax(0, 1.14fr);
  gap: 86px;
  align-items: center;
}

.story-photo {
  position: relative;
}

.story-photo::before {
  position: absolute;
  z-index: 0;
  top: -16px;
  left: -16px;
  width: 46%;
  height: 46%;
  content: "";
  background: var(--lime);
}

.story-photo img {
  position: relative;
  z-index: 1;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.story-photo > span {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 18px;
  left: 18px;
  padding: 12px 15px;
  color: var(--white);
  background: rgba(11, 28, 53, 0.88);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
}

.story-copy h2 {
  margin: 0;
  max-width: 700px;
  color: var(--white);
  font-size: clamp(34px, 3.4vw, 50px);
  line-height: 1.15;
}

.story-copy > p:not(.eyebrow):not(.fine-print) {
  margin: 25px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.story-copy .eyebrow.dark {
  color: var(--lime);
}

.story-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.story-facts > span {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  min-height: 72px;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.story-facts svg {
  width: 24px;
  height: 24px;
  margin-bottom: 0;
  color: var(--lime);
}

.story-facts > span > span {
  display: grid;
}

.story-facts strong {
  font-size: 15px;
}

.story-facts small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
}

.fine-print {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.45);
  font-size: 11px;
}

.news-feed {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.news-feed-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.62fr);
  align-items: end;
  gap: 70px;
}

.news-feed-heading h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.14;
}

.news-feed-heading > p {
  margin: 0 0 6px;
  color: var(--muted);
}

.news-feed-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  gap: 16px;
  margin-top: 48px;
}

.news-featured {
  position: relative;
  display: grid;
  min-height: 430px;
  overflow: hidden;
  align-content: space-between;
  gap: 30px;
  padding: 38px;
  color: var(--white);
  background: var(--navy);
  border: 0;
  border-radius: 8px;
  text-align: left;
  cursor: pointer;
  transition: background-color 180ms ease, transform 180ms ease;
}

.news-featured::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 32%;
  height: 7px;
  content: "";
  background: var(--lime);
}

.news-featured:hover {
  background: #102b4f;
  transform: translateY(-3px);
}

.news-featured-image {
  display: block;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #e8edf4;
}

.news-featured-image[hidden] {
  display: none;
}

.news-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-featured.has-image {
  min-height: 0;
  grid-template-rows: auto auto 1fr auto;
  align-content: stretch;
  gap: 20px;
  padding: 0 0 30px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}

.news-featured.has-image:hover {
  background: var(--white);
}

.news-featured.has-image .news-featured-meta,
.news-featured.has-image .news-featured-copy,
.news-featured.has-image .news-read-more {
  margin-inline: 30px;
}

.news-featured.has-image .news-featured-meta time {
  color: var(--muted);
}

.news-featured.has-image .news-featured-copy {
  align-self: start;
}

.news-featured.has-image .news-featured-copy > span {
  color: var(--muted);
}

.news-featured.has-image .news-read-more {
  color: var(--blue);
}

.news-featured-meta,
.news-stream-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.news-featured-meta time {
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
}

.news-public-kind {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  padding: 0 9px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 800;
}

.news-public-kind.news {
  color: var(--navy);
  background: var(--lime);
}

.news-public-kind.flash {
  color: var(--white);
  background: var(--coral);
}

.news-featured-copy {
  display: grid;
  align-self: end;
  gap: 17px;
}

.news-featured-copy strong {
  max-width: 680px;
  font-size: clamp(29px, 3.2vw, 46px);
  line-height: 1.18;
}

.news-featured-copy > span {
  max-width: 660px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.news-read-more {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 7px;
  color: var(--lime);
  font-size: 12px;
  font-weight: 760;
}

.news-read-more svg {
  width: 16px;
  height: 16px;
}

.news-stream {
  min-width: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.news-stream > header {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
}

.news-stream > header > span {
  display: flex;
  align-items: center;
  gap: 9px;
}

.news-stream > header svg {
  width: 18px;
  height: 18px;
  color: var(--blue);
}

.news-stream > header strong {
  font-size: 14px;
}

.news-stream > header small {
  color: var(--muted);
  font-size: 11px;
}

.news-stream-list {
  display: grid;
}

.news-stream-item {
  position: relative;
  display: grid;
  width: 100%;
  min-height: 132px;
  align-content: center;
  gap: 8px;
  padding: 18px 50px 18px 20px;
  color: var(--ink);
  background: var(--white);
  border: 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms ease;
}

.news-stream-item:hover {
  background: #f4f8fd;
}

.news-stream-item.has-image {
  min-height: 132px;
  padding-left: 142px;
}

.news-stream-thumb {
  position: absolute;
  top: 50%;
  left: 20px;
  width: 102px;
  height: 78px;
  object-fit: cover;
  border-radius: 5px;
  transform: translateY(-50%);
}

.news-stream-item:last-child {
  border-bottom: 0;
}

.news-stream-item > strong {
  overflow-wrap: anywhere;
  font-size: 16px;
  line-height: 1.35;
}

.news-stream-meta time {
  color: var(--muted);
  font-size: 10px;
}

.news-stream-item .news-public-kind {
  min-height: 21px;
  padding-inline: 7px;
  font-size: 9px;
}

.news-stream-summary {
  display: -webkit-box;
  overflow: hidden;
  color: var(--muted);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: 11px;
}

.news-stream-item > svg {
  position: absolute;
  top: 50%;
  right: 18px;
  width: 18px;
  height: 18px;
  color: #91a0b5;
  transform: translateY(-50%);
}

.news-stream-empty {
  margin: 0;
  padding: 70px 20px;
  color: var(--muted);
  text-align: center;
  font-size: 12px;
}

.news-empty {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin-top: 48px;
  padding: 24px;
  background: var(--white);
  border: 1px dashed #b8c7d9;
  border-radius: 8px;
}

.news-empty > svg {
  width: 30px;
  height: 30px;
  justify-self: center;
  color: var(--blue);
}

.news-empty > div {
  display: grid;
  gap: 3px;
}

.news-empty strong {
  font-size: 15px;
}

.news-empty span {
  color: var(--muted);
  font-size: 12px;
}

.contact {
  color: var(--white);
  background: #102b4f;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(560px, 1.08fr);
  gap: 76px;
  align-items: center;
}

.contact-copy h2 {
  max-width: 520px;
  font-size: clamp(38px, 3.7vw, 54px);
}

.contact-copy > p {
  color: rgba(255, 255, 255, 0.68);
}

.contact-notes {
  display: grid;
  gap: 14px;
  margin-top: 38px;
}

.contact-notes span,
.contact-notes a,
.contact-notes button {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.78);
  background: transparent;
  border: 0;
  font-size: 13px;
  text-align: left;
}

.contact-notes svg {
  width: 18px;
  height: 18px;
  color: var(--lime);
}

.contact-notes a:hover,
.contact-notes button:hover {
  color: var(--lime);
}

.contact-copy .location-panel {
  grid-template-columns: 1fr;
  max-width: 480px;
  margin-top: 30px;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.contact-copy .location-panel .mini-map {
  height: 178px;
  min-height: 178px;
  margin-top: 0;
  border: 0;
  border-radius: 0;
}

.mini-map {
  position: relative;
  height: 236px;
  margin-top: 34px;
  overflow: hidden;
  color: var(--ink);
  background: #eaf1f6;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.mini-map::before,
.mini-map::after {
  position: absolute;
  z-index: 1;
  content: "";
  background: var(--white);
  box-shadow: 0 0 0 1px #d4dde7;
}

.mini-map::before {
  top: 94px;
  right: -10px;
  left: -10px;
  height: 42px;
}

.mini-map::after {
  top: -10px;
  bottom: -10px;
  left: 58%;
  width: 38px;
  transform: rotate(7deg);
}

.road {
  position: absolute;
  z-index: 3;
  color: #78869a;
  font-size: 10px;
  font-weight: 750;
}

.road-horizontal {
  top: 104px;
  left: 28px;
}

.road-vertical {
  top: 31px;
  left: calc(58% + 10px);
  writing-mode: vertical-rl;
}

.map-block {
  position: absolute;
  z-index: 0;
  background: #d7e6d7;
  border: 1px solid #c7d7c7;
  border-radius: 5px;
}

.block-one { top: 20px; left: 24px; width: 35%; height: 55px; }
.block-two { right: 18px; bottom: 24px; width: 27%; height: 60px; }
.block-three { bottom: 22px; left: 22px; width: 30%; height: 52px; }

.map-pin {
  position: absolute;
  z-index: 4;
  top: 67px;
  left: 62%;
  display: grid;
  justify-items: center;
  color: var(--blue);
  transform: translateX(-50%);
}

.map-pin svg {
  width: 34px;
  height: 34px;
  fill: var(--lime);
  stroke: var(--navy);
}

.map-pin strong {
  margin-top: 2px;
  padding: 2px 7px;
  color: var(--white);
  background: var(--navy);
  border-radius: 4px;
  font-size: 10px;
}

.mini-map > small {
  position: absolute;
  z-index: 4;
  right: 12px;
  bottom: 9px;
  color: #778397;
  font-size: 9px;
}

.purchase-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px 16px;
  align-items: center;
  margin-top: 20px;
  padding: 18px 20px;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
}

.purchase-copy {
  min-width: 0;
}

.purchase-copy .eyebrow {
  margin-bottom: 7px;
  font-size: 11px;
}

.purchase-copy h3 {
  margin: 0;
  font-size: 18px;
}

.purchase-copy > p:last-child {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.douyin-code {
  grid-column: 1 / -1;
  width: max-content;
  max-width: 100%;
  padding: 7px 9px;
  color: var(--blue-dark);
  background: #edf3ff;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 800;
}

.purchase-copy-button {
  min-height: 42px;
  padding-inline: 15px;
  color: var(--white);
  background: var(--blue);
}

.purchase-status {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 11px;
}

.purchase-status.success { color: #2b7e32; }
.purchase-status.error { color: #c63a2e; }

.contact-tools {
  display: block;
  margin-top: 24px;
}

.location-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(190px, 0.72fr);
  overflow: hidden;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
}

.location-copy {
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 28px;
  border-left: 1px solid var(--line);
}

.location-copy span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.location-copy strong {
  font-size: 20px;
  line-height: 1.4;
}

.location-copy small {
  margin-top: 8px;
  color: var(--muted);
}

.contact-tools .mini-map,
.contact-tools .purchase-box {
  margin-top: 0;
}

.contact-tools .mini-map {
  height: 100%;
  min-height: 216px;
  border: 0;
  border-radius: 0;
}

.contact-tools .purchase-box {
  grid-template-columns: minmax(260px, 1fr) auto auto;
  align-content: center;
  padding: 18px 20px;
}

.contact-tools .purchase-copy-button {
  width: auto;
}

.contact-tools .douyin-code {
  grid-column: auto;
  width: max-content;
  overflow-wrap: anywhere;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 32px;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.18);
}

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

.contact-form label:not(.consent) {
  display: grid;
  gap: 7px;
}

.contact-form label > span:first-child {
  font-size: 13px;
  font-weight: 760;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: #fbfcfe;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.contact-form input,
.contact-form select {
  height: 48px;
  padding: 0 13px;
}

.contact-form textarea {
  min-height: 92px;
  padding: 12px 13px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(35, 103, 242, 0.12);
}

.contact-form [aria-invalid="true"] {
  border-color: var(--coral);
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
}

.consent input {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--blue);
}

.submit-button {
  width: 100%;
  margin-top: 2px;
}

.form-status {
  min-height: 20px;
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.form-status.error { color: #c63a2e; }
.form-status.success { color: #16824a; }

.site-footer {
  padding: 68px 0 26px;
  color: rgba(255, 255, 255, 0.72);
  background: #071426;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.6fr 1fr;
  gap: 70px;
  padding-bottom: 50px;
}

.brand.light {
  color: var(--white);
}

.footer-brand p {
  max-width: 360px;
  margin: 22px 0 0;
  font-size: 13px;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 10px;
  font-size: 13px;
}

.footer-column strong {
  margin-bottom: 6px;
  color: var(--white);
  font-size: 14px;
}

.footer-column a:hover {
  color: var(--lime);
}

.footer-phone-button {
  width: fit-content;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  font: inherit;
  text-align: left;
}

.footer-phone-button:hover {
  color: var(--lime);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 11px;
}

.video-dialog {
  width: min(940px, calc(100% - 32px));
  padding: 0;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.4);
}

.phone-dialog {
  width: min(390px, calc(100% - 32px));
  padding: 38px 30px 30px;
  overflow: visible;
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(11, 28, 53, 0.12);
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(2, 9, 19, 0.34);
  text-align: center;
}

.phone-dialog::backdrop {
  background: rgba(2, 9, 19, 0.68);
  backdrop-filter: blur(5px);
}

.phone-dialog-close {
  position: absolute;
  top: 10px;
  right: 10px;
  display: grid;
  width: 36px;
  height: 36px;
  padding: 0;
  place-items: center;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 6px;
}

.phone-dialog-close:hover {
  color: var(--ink);
  background: #f1f4f8;
}

.phone-dialog-close svg {
  width: 20px;
  height: 20px;
}

.phone-dialog-icon {
  display: grid;
  width: 54px;
  height: 54px;
  margin: 0 auto 18px;
  place-items: center;
  color: var(--navy);
  background: var(--lime);
  border-radius: 7px;
}

.phone-dialog-icon svg {
  width: 26px;
  height: 26px;
}

.phone-dialog > p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
}

.phone-dialog h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.15;
  word-break: break-word;
}

.phone-dialog-hours {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.phone-dialog-call {
  width: 100%;
  margin-top: 24px;
}

.news-dialog {
  width: min(720px, calc(100% - 32px));
  max-height: min(84vh, 820px);
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(11, 28, 53, 0.14);
  border-radius: 8px;
  box-shadow: 0 30px 90px rgba(2, 9, 19, 0.38);
}

.news-dialog::backdrop {
  background: rgba(2, 9, 19, 0.72);
  backdrop-filter: blur(5px);
}

.news-dialog-topbar {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px 0 24px;
  background: #f4f7fb;
  border-bottom: 1px solid var(--line);
}

.news-dialog-close {
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0;
  place-items: center;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.news-dialog-close:hover {
  color: var(--ink);
  background: #e9eef5;
}

.news-dialog-close svg {
  width: 20px;
  height: 20px;
}

.news-dialog-content {
  max-height: calc(min(84vh, 820px) - 62px);
  overflow-y: auto;
  padding: 40px 44px 48px;
}

.news-dialog-content > time {
  color: var(--blue);
  font-size: 12px;
  font-weight: 720;
}

.news-dialog-content h2 {
  margin: 12px 0 0;
  overflow-wrap: anywhere;
  font-size: clamp(27px, 4vw, 40px);
  line-height: 1.22;
}

.news-dialog-image {
  width: 100%;
  margin-top: 24px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #e8edf4;
  border-radius: 6px;
}

.news-dialog-summary {
  margin: 22px 0 0;
  padding: 16px 18px;
  color: #42526a;
  background: #f3f7fc;
  border-left: 4px solid var(--lime);
  font-size: 14px;
  font-weight: 650;
}

.news-dialog-body {
  margin-top: 28px;
  color: #33445d;
  font-size: 15px;
  line-height: 1.9;
  white-space: pre-line;
}

.video-dialog::backdrop {
  background: rgba(2, 9, 19, 0.82);
  backdrop-filter: blur(7px);
}

.dialog-topbar {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px 0 22px;
}

.dialog-topbar strong {
  font-size: 14px;
}

.dialog-close {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.25);
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #020913;
}

.video-frame video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  padding: 28px;
  text-align: center;
  background: rgba(7, 20, 38, 0.9);
}

.video-fallback[hidden] {
  display: none;
}

.video-fallback svg {
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  color: var(--lime);
}

.video-fallback strong {
  font-size: 18px;
}

.video-fallback span {
  max-width: 480px;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

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

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 620ms ease, transform 620ms ease;
}

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

@media (max-width: 980px) {
  :root { --header-height: 70px; }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .intro-grid,
  .experience-grid,
  .system-grid,
  .case-grid,
  .report-heading,
  .guidance-grid,
  .contact-grid,
  .story-grid,
  .news-feed-layout {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .experience-grid,
  .system-grid,
  .case-grid,
  .report-heading,
  .guidance-grid,
  .contact-grid,
  .story-grid,
  .news-feed-layout {
    gap: 50px;
  }

  .report-heading > p:last-child {
    margin-top: 22px;
  }

  .experience-photo {
    min-height: 560px;
  }

  .experience-copy {
    max-width: 740px;
  }

  .system-copy {
    max-width: 720px;
  }

  .guidance-copy {
    max-width: 720px;
  }

  .case-photo {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

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

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

  .report-card {
    min-height: 0;
    border-bottom: 1px solid var(--line);
  }

  .report-card:nth-child(3) { border-right: 0; }
  .report-card:nth-child(4),
  .report-card:nth-child(5) { border-bottom: 0; }

  .report-card > svg {
    margin-bottom: 34px;
  }

  .research-note {
    grid-template-columns: 130px minmax(0, 1fr);
  }

  .research-link {
    grid-column: 1 / -1;
    width: max-content;
  }

  .report-proof-grid {
    grid-template-columns: 1fr;
  }

  .report-actions {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .report-actions .report-action-link {
    width: max-content;
  }

  .location-panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(220px, 0.75fr);
  }

  .contact-copy .location-panel {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 0.7fr 1.2fr;
    gap: 35px;
  }
}

@media (max-width: 720px) {

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

  .shell {
    width: min(100% - 32px, 620px);
  }

  .section {
    padding: 64px 0;
  }

  .desktop-break {
    display: none;
  }

  .brand {
    min-width: auto;
  }

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

  .brand-name small {
    font-size: 10px;
  }

  .hero {
    min-height: 92svh;
  }

  .hero-media {
    background-position: 55% center;
  }

  .hero-content {
    padding-top: calc(var(--header-height) + 74px);
    padding-bottom: 88px;
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 62px);
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    max-width: 330px;
  }

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

  .hero-points div {
    width: auto;
    padding-right: 8px;
  }

  .hero-points span {
    display: none;
  }

  .hero-scroll {
    display: none;
  }

  .section-heading h2,
  .experience-copy h2,
  .system-copy h2,
  .case-copy h2,
  .guidance-copy h2,
  .contact-copy h2,
  .video-content h2 {
    font-size: clamp(29px, 8.4vw, 40px);
    line-height: 1.18;
  }

  .report-heading {
    display: block;
  }

  .report-heading h2,
  .split-heading h2,
  .story-copy h2,
  .contact-copy h2 {
    max-width: none;
    font-size: clamp(29px, 8.4vw, 40px);
  }

  .report-heading > p:last-child {
    margin-top: 20px;
  }

  .learning-map {
    grid-template-columns: 1fr;
  }

  .map-line {
    top: 6%;
    bottom: 6%;
    left: 29px;
    width: 2px;
    height: auto;
  }

  .map-node {
    min-height: 0;
    padding: 26px 26px 26px 76px;
  }

  .node-index {
    top: 25px;
    right: 22px;
    max-width: calc(100% - 145px);
  }

  .map-node > svg {
    position: absolute;
    top: 29px;
    left: 25px;
  }

  .map-node h3 {
    margin-top: 0;
  }

  .experience-photo {
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .experience-photo::before {
    top: -14px;
    right: -14px;
  }

  .photo-caption {
    right: 14px;
    bottom: 14px;
  }

  .device-screen {
    min-height: 400px;
    grid-template-columns: 50px minmax(0, 1fr);
  }

  .demo-sidebar {
    padding-inline: 6px;
  }

  .demo-logo,
  .demo-sidebar button {
    width: 34px;
    height: 34px;
  }

  .demo-content {
    padding: 16px;
  }

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

  .knowledge-main {
    grid-row: auto;
  }

  .knowledge-item,
  .activity-line {
    display: none;
  }

  .case-grid {
    gap: 46px;
  }

  .case-photo {
    aspect-ratio: 4 / 3;
  }

  .illustration-brand {
    min-height: 58px;
    padding-inline: 18px;
  }

  .illustration-board {
    top: 58px;
    bottom: 76px;
  }

  .illustration-core {
    width: 112px;
    height: 112px;
    border-width: 9px;
  }

  .illustration-core svg {
    width: 28px;
    height: 28px;
  }

  .illustration-chip {
    min-width: 78px;
    min-height: 40px;
    padding-inline: 10px;
  }

  .illustration-footer {
    min-height: 76px;
    grid-template-columns: 102px minmax(0, 1fr);
    padding-inline: 18px;
  }

  .case-photo::before {
    right: -14px;
    bottom: -14px;
  }

  .case-steps article {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .video-story {
    min-height: 500px;
  }

  .video-content h2 {
    max-width: 330px;
  }

  .video-lead {
    max-width: 310px;
    font-size: 14px;
  }

  .guidance-grid {
    gap: 34px;
  }

  .guidance-frame {
    border-width: 6px;
  }

  .guidance-points {
    margin-top: 26px;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .gallery {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 150px;
    gap: 10px;
    margin-top: 36px;
  }

  .gallery-large {
    grid-column: 1 / 3;
    grid-row: 1;
    aspect-ratio: 4 / 3;
  }

  .gallery figure:not(.gallery-large) {
    min-height: 150px;
  }

  .story-grid {
    gap: 40px;
  }

  .news-feed-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .news-feed-heading h2 {
    font-size: clamp(29px, 8.4vw, 40px);
  }

  .news-feed-layout {
    gap: 12px;
    margin-top: 34px;
  }

  .news-featured {
    min-height: 350px;
    padding: 26px;
  }

  .news-featured.has-image {
    min-height: 0;
    padding: 0 0 24px;
  }

  .news-featured.has-image .news-featured-meta,
  .news-featured.has-image .news-featured-copy,
  .news-featured.has-image .news-read-more {
    margin-inline: 22px;
  }

  .news-featured-copy strong {
    font-size: clamp(27px, 8vw, 36px);
  }

  .news-stream-item.has-image {
    min-height: 116px;
    padding-left: 118px;
  }

  .news-stream-thumb {
    left: 16px;
    width: 82px;
    height: 68px;
  }

  .news-empty {
    grid-template-columns: 42px minmax(0, 1fr);
    margin-top: 34px;
    padding: 20px;
  }

  .news-empty .button {
    width: 100%;
    grid-column: 1 / -1;
  }

  .news-dialog-content {
    padding: 30px 22px 38px;
  }

  .story-photo::before {
    top: -10px;
    left: -10px;
  }

  .story-facts > span { min-height: 64px; }

  .report-actions {
    align-items: flex-start;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .purchase-box {
    grid-template-columns: 1fr;
  }

  .purchase-copy-button {
    width: max-content;
  }

  .research-note {
    grid-template-columns: 1fr;
  }

  .research-number {
    font-size: 36px;
  }

  .report-grid {
    grid-template-columns: 1fr;
    overflow: visible;
    background: transparent;
    border: 0;
    border-radius: 0;
  }

  .report-card,
  .report-card:nth-child(3) {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    min-height: 0;
    padding: 18px 0;
    color: var(--ink);
    background: transparent;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    box-shadow: none;
  }

  .report-card:first-child {
    border-top: 1px solid var(--line);
  }

  .report-card > svg,
  .report-card:nth-child(3) > svg {
    grid-row: 1 / 4;
    width: 23px;
    height: 23px;
    margin: 3px 0 0;
    color: var(--blue);
  }

  .report-card > span,
  .report-card:nth-child(3) > span {
    margin-bottom: 2px;
    color: var(--blue);
  }

  .report-card h3 {
    font-size: 16px;
  }

  .report-card p,
  .report-card:nth-child(3) p {
    margin-top: 5px;
    color: var(--muted);
    font-size: 13px;
  }

  .report-proof-grid {
    gap: 12px;
    margin-top: 12px;
  }

  .research-note {
    gap: 18px;
    padding: 22px;
  }

  .research-link,
  .report-actions .report-action-link {
    width: 100%;
  }

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

  .contact-form {
    padding: 24px;
    gap: 14px;
  }

  .contact-form input,
  .contact-form select {
    height: 46px;
  }

  .contact-form textarea {
    min-height: 78px;
  }

  .contact-grid {
    gap: 40px;
  }

  .contact-tools {
    gap: 12px;
    margin-top: 20px;
  }

  .location-panel {
    grid-template-columns: 1fr;
  }

  .location-copy {
    padding: 20px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .contact-tools .purchase-box {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .contact-tools .douyin-code {
    grid-column: 1;
    width: 100%;
  }

  .contact-tools .purchase-copy-button {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }
}

@media (max-width: 430px) {
  .hero-points {
    gap: 8px;
  }

  .hero-points strong {
    font-size: 13px;
  }

  .gallery {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 128px;
  }

  .gallery-large {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .gallery figure:not(.gallery-large) {
    min-height: 128px;
  }
}

.support-widget {
  position: fixed;
  z-index: 180;
  right: 22px;
  bottom: 22px;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

.support-launcher {
  position: relative;
  display: flex;
  min-width: 176px;
  height: 58px;
  align-items: center;
  gap: 10px;
  padding: 0 15px 0 9px;
  color: var(--white);
  background: var(--navy);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(11, 28, 53, 0.26);
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease, opacity 180ms ease;
}

.support-launcher:hover {
  background: #153257;
  transform: translateY(-2px);
}

.support-launcher-icon,
.support-avatar {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--navy);
  background: var(--lime);
  border-radius: 6px;
}

.support-launcher-icon svg,
.support-avatar svg {
  width: 21px;
  height: 21px;
  stroke-width: 2.2;
}

.support-launcher-copy {
  display: grid;
  min-width: 0;
  text-align: left;
  line-height: 1.15;
}

.support-launcher-copy strong {
  font-size: 14px;
}

.support-launcher-copy small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 10px;
}

.support-launcher > b {
  position: absolute;
  top: -7px;
  right: -7px;
  display: grid;
  min-width: 23px;
  height: 23px;
  place-items: center;
  padding: 0 6px;
  color: var(--navy);
  background: var(--lime);
  border: 2px solid var(--white);
  border-radius: 12px;
  font-size: 10px;
  line-height: 1;
}

.support-widget.panel-open .support-launcher {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}

.support-panel {
  position: absolute;
  right: 0;
  bottom: 0;
  display: grid;
  width: min(380px, calc(100vw - 32px));
  height: min(610px, calc(100vh - 34px));
  height: min(610px, calc(100dvh - 34px));
  overflow: hidden;
  grid-template-rows: auto minmax(0, 1fr);
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(11, 28, 53, 0.14);
  border-radius: 8px;
  box-shadow: 0 24px 65px rgba(11, 28, 53, 0.26);
  transform-origin: right bottom;
  animation: support-panel-in 180ms ease both;
}

@keyframes support-panel-in {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.support-panel-header {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px 11px 14px;
  color: var(--white);
  background: var(--navy);
}

.support-panel-header > div:first-child {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}

.support-avatar {
  width: 38px;
  height: 38px;
}

.support-avatar.large {
  width: 48px;
  height: 48px;
}

.support-avatar.large svg {
  width: 24px;
  height: 24px;
}

.support-heading {
  display: grid;
  min-width: 0;
  line-height: 1.15;
}

.support-heading strong {
  overflow: hidden;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.support-heading small {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 10px;
}

.support-heading small > i {
  width: 7px;
  height: 7px;
  background: var(--lime);
  border-radius: 50%;
}

.support-heading small.waiting > i {
  background: #f6bd50;
}

.support-heading small.ended > i {
  background: #97a6b9;
}

.support-header-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 4px;
}

.support-header-actions button {
  display: grid;
  width: 36px;
  height: 36px;
  padding: 0;
  place-items: center;
  color: rgba(255, 255, 255, 0.78);
  background: transparent;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.support-header-actions button:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.support-header-actions svg {
  width: 18px;
  height: 18px;
}

.support-panel-body {
  min-height: 0;
}

.support-start {
  height: 100%;
  overflow-y: auto;
  padding: 28px 24px 22px;
}

.support-welcome {
  display: grid;
  justify-items: center;
  text-align: center;
}

.support-welcome h2 {
  margin: 14px 0 5px;
  font-size: 20px;
  line-height: 1.3;
}

.support-welcome p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.support-start-form {
  display: grid;
  gap: 13px;
  margin-top: 25px;
}

.support-faq {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.support-faq[hidden] {
  display: none;
}

.support-faq > span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 720;
}

.support-faq-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.support-faq-list button {
  min-height: 32px;
  padding: 6px 9px;
  color: var(--blue-dark);
  background: #edf3ff;
  border: 1px solid #dbe7ff;
  border-radius: 5px;
  font-size: 10px;
  line-height: 1.35;
  text-align: left;
}

.support-faq-list button:hover {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.support-faq + .support-start-form {
  margin-top: 18px;
}

.support-start-form label {
  display: grid;
  gap: 6px;
}

.support-start-form label > span {
  font-size: 12px;
  font-weight: 720;
}

.support-start-form label > span small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
}

.support-start-form input,
.support-start-form textarea,
.support-composer textarea {
  width: 100%;
  color: var(--ink);
  background: #f9fbfd;
  border: 1px solid var(--line);
  border-radius: 6px;
  outline: 0;
}

.support-start-form input {
  height: 42px;
  padding: 0 11px;
}

.support-start-form textarea,
.support-composer textarea {
  padding: 10px 11px;
  resize: none;
}

.support-start-form input:focus,
.support-start-form textarea:focus,
.support-composer textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(35, 103, 242, 0.1);
}

.support-primary-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 2px;
  color: var(--white);
  background: var(--blue);
  border: 0;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 760;
  cursor: pointer;
}

.support-primary-button:hover {
  background: var(--blue-dark);
}

.support-primary-button svg {
  width: 17px;
  height: 17px;
}

.support-primary-button:disabled,
.support-composer button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.support-form-status {
  min-height: 18px;
  margin: 0;
  color: var(--muted);
  font-size: 10px;
}

.support-form-status.error {
  color: var(--coral);
}

.support-conversation {
  display: grid;
  height: 100%;
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.support-session-status {
  min-height: 35px;
  padding: 9px 14px;
  color: #8a560d;
  background: #fff5df;
  border-bottom: 1px solid #f4dfb5;
  font-size: 10px;
  text-align: center;
}

.support-session-status.active {
  color: #126850;
  background: #e9f7f2;
  border-bottom-color: #cce9df;
}

.support-session-status.ended {
  color: var(--muted);
  background: #eef2f6;
  border-bottom-color: var(--line);
}

.support-message-list {
  min-height: 0;
  overflow-y: auto;
  padding: 17px 14px;
  background: #f6f8fb;
}

.support-message-row {
  display: flex;
  margin-bottom: 13px;
}

.support-message-row.visitor {
  justify-content: flex-end;
}

.support-message-row.bot .support-message-bubble p {
  background: #f0f8ed;
  border-color: #d8ebd2;
}

.support-message-row.system {
  justify-content: center;
}

.support-message-bubble {
  max-width: 82%;
}

.support-message-bubble > span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 9px;
}

.support-message-row.visitor .support-message-bubble > span {
  text-align: right;
}

.support-message-bubble p {
  margin: 0;
  padding: 9px 11px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.support-message-row.visitor .support-message-bubble p {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.support-message-row.system .support-message-bubble {
  max-width: 94%;
}

.support-message-row.system .support-message-bubble > span {
  display: none;
}

.support-message-row.system .support-message-bubble p {
  padding: 4px 9px;
  color: var(--muted);
  background: #e9eef5;
  border: 0;
  border-radius: 4px;
  font-size: 9px;
  text-align: center;
}

.support-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px;
  align-items: end;
  gap: 9px;
  padding: 11px 12px 12px;
  background: var(--white);
  border-top: 1px solid var(--line);
}

.support-composer textarea {
  min-height: 42px;
  max-height: 100px;
  font-size: 12px;
}

.support-composer button {
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.support-composer button:hover {
  background: var(--blue-dark);
}

.support-composer button svg {
  width: 18px;
  height: 18px;
}

.support-ended-actions {
  padding: 13px 14px 15px;
  background: var(--white);
  border-top: 1px solid var(--line);
  text-align: center;
}

.support-ended-actions p {
  margin: 0 0 9px;
  color: var(--muted);
  font-size: 10px;
}

.support-ended-actions button {
  min-height: 38px;
  padding: 0 14px;
  color: var(--blue);
  background: #edf3ff;
  border: 0;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 740;
  cursor: pointer;
}

@media (max-width: 600px) {
  body.support-chat-open {
    overflow: hidden;
  }

  .support-widget {
    right: 12px;
    bottom: 12px;
  }

  .support-launcher {
    min-width: 0;
    width: 54px;
    height: 54px;
    padding: 7px;
  }

  .support-launcher-icon {
    width: 38px;
    height: 38px;
  }

  .support-launcher-copy {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .support-panel {
    position: fixed;
    top: 10px;
    right: 10px;
    bottom: 10px;
    left: 10px;
    width: auto;
    height: auto;
    max-height: none;
  }

  .phone-dialog h2 {
    font-size: 28px;
  }
}

@media (max-width: 390px) {
  .support-start {
    padding: 22px 18px 18px;
  }

  .support-panel-header {
    padding-left: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}