/**
 * 前台首页 — 白色简约 + 动态渐变
 */

:root {
  --lp-content-max: 1280px;
  --lp-pad-x: 24px;
}

/* 落地页 / 授权查询页：纵向堆叠 main + footer */
.tc-layout--landing .tc-body,
.tc-layout--license-query .tc-body {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 100vh;
  padding-top: var(--tc-header-h);
}

.tc-layout--landing.tc-layout:not(.tc-layout--console) .tc-main.tc-main--landing,
.tc-layout--license-query.tc-layout:not(.tc-layout--console) .tc-main.tc-main--license-query {
  flex: 0 0 auto !important;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 !important;
  min-height: 0 !important;
  background: transparent;
}

.tc-layout--landing .tc-header,
.tc-layout--license-query .tc-header {
  background: transparent;
  border-bottom-color: transparent;
  backdrop-filter: none;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}

.tc-layout--landing .tc-header.tc-header--lp-scrolled,
.tc-layout--license-query .tc-header.tc-header--lp-scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom-color: rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 24px rgba(0, 40, 120, 0.06);
}

.tc-layout--landing .tc-logo,
.tc-layout--landing .lp-nav__link,
.tc-layout--license-query .tc-logo,
.tc-layout--license-query .lp-nav__link,
.tc-layout--landing .tc-header-right .tc-btn,
.tc-layout--license-query .tc-header-right .tc-btn {
  transition: color 0.25s ease;
}

.tc-layout--landing .tc-site-footer {
  display: none;
}

.tc-layout--landing .lp-footer {
  flex: 0 0 auto;
  width: 100%;
}

/* ---------- 落地页作用域重置 ---------- */
.lp,
.lp-footer {
  box-sizing: border-box;
}

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

.lp {
  width: 100%;
  color: var(--tc-text);
  overflow-x: clip;
  background: transparent;
}

.lp h1,
.lp h2,
.lp h3,
.lp p {
  margin: 0;
}

.lp ul,
.lp ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.lp-container {
  width: 100%;
  max-width: var(--lp-content-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--lp-pad-x);
  padding-right: var(--lp-pad-x);
}

.lp-nav {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 32px;
  margin-left: 24px;
}

.lp-nav__link {
  display: inline-block;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--tc-text-secondary);
  text-decoration: none;
  background: none;
  border: none;
  padding: 0;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.lp-nav__link:hover {
  color: var(--tc-brand);
}

.lp-nav__link.is-active {
  color: var(--tc-brand);
}

/* ---------- 布局 ---------- */
.lp-section {
  padding: 72px 0;
}

.lp-section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.lp-section-head .lp-badge {
  margin-bottom: 12px;
}

.lp-section-head__title {
  margin-bottom: 12px;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--tc-text-title);
}

.lp-section-head__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--tc-text-secondary);
}

/* ---------- Reveal ---------- */
.lp-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.lp-reveal--delay { transition-delay: 0.08s; }
.lp-reveal--delay-2 { transition-delay: 0.16s; }
.lp-reveal--delay-3 { transition-delay: 0.24s; }

/* ---------- Toast ---------- */
.lp-toast {
  position: fixed;
  top: calc(var(--tc-header-h) + 12px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  animation: lpToastIn 0.4s ease;
}

.lp-toast--warn {
  background: #fff7ed;
  border: 1px solid #ffd6a8;
  color: #c45c00;
  box-shadow: 0 8px 24px rgba(255, 114, 0, 0.12);
}

@keyframes lpToastIn {
  from { opacity: 0; transform: translate(-50%, -8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ---------- Hero ---------- */
.lp-hero {
  position: relative;
  display: flex;
  align-items: center;
  padding: clamp(40px, 6vh, 72px) 0 clamp(56px, 8vh, 88px);
  overflow: hidden;
  background: transparent;
}

.lp-hero--cinema {
  min-height: calc(100vh - var(--tc-header-h));
  min-height: calc(100dvh - var(--tc-header-h));
  padding-bottom: clamp(72px, 10vh, 100px);
}

.lp-hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 110, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 110, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  pointer-events: none;
}

.lp-hero__spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
  background: radial-gradient(
    420px circle at var(--lp-spot-x, 50%) var(--lp-spot-y, 40%),
    rgba(0, 110, 255, 0.12),
    transparent 65%
  );
}

.lp-hero.is-hero-ready .lp-char {
  display: inline-block;
  animation: lpCharIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.lp-hero.is-hero-ready .lp-char--space {
  width: 0.28em;
}

@keyframes lpCharIn {
  from {
    opacity: 0;
    transform: translateY(1.1em) rotateX(-40deg);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0);
    filter: blur(0);
  }
}

.lp-hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.55;
}

.lp-hero__mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.lp-hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.55;
  animation: lpBlobMove 18s ease-in-out infinite;
}

.lp-hero__blob--1 {
  width: min(520px, 60vw);
  height: min(520px, 60vw);
  top: -15%;
  right: -8%;
  background: linear-gradient(135deg, rgba(0, 110, 255, 0.22), rgba(124, 92, 255, 0.14));
}

.lp-hero__blob--2 {
  width: min(400px, 50vw);
  height: min(400px, 50vw);
  bottom: -10%;
  left: -6%;
  background: linear-gradient(135deg, rgba(0, 180, 216, 0.18), rgba(0, 110, 255, 0.1));
  animation-delay: -6s;
}

.lp-hero__blob--3 {
  width: min(280px, 36vw);
  height: min(280px, 36vw);
  top: 35%;
  left: 42%;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.12), rgba(0, 180, 216, 0.1));
  animation-delay: -12s;
}

@keyframes lpBlobMove {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -16px) scale(1.04); }
  66% { transform: translate(-12px, 12px) scale(0.96); }
}

.lp-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--lp-content-max);
  margin: 0 auto;
  padding: 0 var(--lp-pad-x);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

@keyframes lpGradientText {
  to { background-position: 200% center; }
}

.lp-badge {
  display: inline-block;
  padding: 5px 12px;
  margin-bottom: 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tc-brand);
  background: rgba(0, 110, 255, 0.06);
  border: 1px solid rgba(0, 110, 255, 0.12);
  border-radius: 999px;
}

.lp-hero__title {
  margin: 0 0 16px;
  font-size: clamp(32px, 4.8vw, 56px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.03em;
  color: var(--tc-text-title);
  perspective: 600px;
}

.lp-hero__title-line {
  display: block;
}

.lp-hero__title-line--accent {
  background: linear-gradient(120deg, #006eff 0%, #5b8def 40%, #7c5cff 70%, #00b4d8 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: lpGradientText 8s ease infinite;
}

.lp-hero__title-line--accent .lp-char {
  background: linear-gradient(120deg, #006eff 0%, #5b8def 40%, #7c5cff 70%, #00b4d8 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lp-hero__desc {
  margin: 0 0 24px;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--tc-text-secondary);
}

.lp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.lp-btn:hover {
  transform: translateY(-1px);
}

.lp-btn--primary {
  color: #fff;
  background: linear-gradient(135deg, #006eff, #4d9fff);
  box-shadow: 0 4px 16px rgba(0, 110, 255, 0.28);
}

.lp-btn--primary:hover {
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 110, 255, 0.32);
}

.lp-btn--ghost {
  color: var(--tc-text);
  background: #fff;
  border-color: var(--tc-border);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.lp-btn--ghost:hover {
  color: var(--tc-brand);
  border-color: rgba(0, 110, 255, 0.3);
}

.lp-btn--lg {
  min-width: 148px;
  padding: 13px 26px;
  font-size: 15px;
}

.lp-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.lp-hero__tags li {
  padding: 5px 11px;
  font-size: 12px;
  color: var(--tc-text-secondary);
  background: #fff;
  border: 1px solid var(--tc-border);
  border-radius: 6px;
}

/* ---------- Mock console (light) ---------- */
.lp-hero__visual {
  position: relative;
  width: 100%;
  max-width: none;
  justify-self: stretch;
}

.lp-mock {
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--tc-card-border);
  box-shadow:
    0 24px 64px rgba(0, 40, 120, 0.14),
    0 2px 8px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  transition: transform 0.15s ease-out, box-shadow 0.35s ease;
  transform-style: preserve-3d;
  will-change: transform;
}

.lp-hero.is-hero-ready .lp-mock {
  animation: lpMockFloat 6s ease-in-out infinite;
}

@keyframes lpMockFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.lp-mock__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: #f7f9fc;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.lp-mock__bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.lp-mock__bar span:nth-child(1) { background: #ff5f57; }
.lp-mock__bar span:nth-child(2) { background: #febc2e; }
.lp-mock__bar span:nth-child(3) { background: #28c840; }

.lp-mock__bar em {
  margin-left: auto;
  font-style: normal;
  font-size: 11px;
  color: var(--tc-text-secondary);
}

.lp-mock__body {
  display: grid;
  grid-template-columns: 48px 1fr;
  min-height: 240px;
}

.lp-mock__side {
  padding: 14px 8px;
  border-right: 1px solid rgba(0, 0, 0, 0.05);
  background: #fafbfd;
}

.lp-mock__side-item {
  height: 6px;
  margin-bottom: 10px;
  border-radius: 3px;
  background: #e8ecf2;
}

.lp-mock__side-item.is-active {
  background: linear-gradient(90deg, #006eff, #5b8def);
}

.lp-mock__main {
  padding: 14px;
}

.lp-mock__stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.lp-mock__stat {
  padding: 8px;
  border-radius: 8px;
  background: #f7f9fc;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.lp-mock__stat small {
  display: block;
  font-size: 10px;
  color: var(--tc-text-secondary);
  margin-bottom: 2px;
}

.lp-mock__stat strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--tc-brand);
}

.lp-mock__chart {
  height: 64px;
  margin-bottom: 12px;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(0, 110, 255, 0.06), transparent);
  overflow: hidden;
}

.lp-mock__chart-line {
  stroke: #006eff;
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: lpChartDraw 2s ease forwards 0.5s;
}

@keyframes lpChartDraw {
  to { stroke-dashoffset: 0; }
}

.lp-mock__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 0;
  font-size: 11px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.lp-mock__row span {
  color: var(--tc-text);
}

.lp-mock__row i {
  font-style: normal;
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 999px;
}

.lp-mock__row i.is-ok {
  color: #0a9f55;
  background: rgba(10, 191, 91, 0.1);
}

.lp-mock__row i.is-warn {
  color: #d46b08;
  background: rgba(255, 114, 0, 0.1);
}

.lp-mock-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  font-size: 11px;
  color: var(--tc-text);
  background: #fff;
  border: 1px solid var(--tc-card-border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 40, 120, 0.08);
  animation: lpFloat 5s ease-in-out infinite;
}

.lp-mock-float svg {
  color: var(--tc-brand);
  flex-shrink: 0;
}

.lp-mock-float--a {
  top: 8%;
  left: -4%;
}

.lp-mock-float--b {
  bottom: 12%;
  right: -2%;
  animation-delay: -2.5s;
}

@keyframes lpFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.lp-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform: translateX(-50%);
  text-decoration: none;
  color: var(--tc-text-secondary);
  transition: color 0.2s ease, opacity 0.2s ease;
}

.lp-scroll-hint:hover {
  color: var(--tc-brand);
}

.lp-scroll-hint__text {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.lp-scroll-hint__wheel {
  width: 22px;
  height: 34px;
  border: 2px solid rgba(0, 110, 255, 0.35);
  border-radius: 11px;
  position: relative;
}

.lp-scroll-hint__wheel::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 7px;
  width: 3px;
  height: 7px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--tc-brand);
  animation: lpScrollWheel 1.8s ease-in-out infinite;
}

@keyframes lpScrollWheel {
  0% { opacity: 1; transform: translateY(0); }
  70% { opacity: 0; transform: translateY(10px); }
  100% { opacity: 0; transform: translateY(10px); }
}

/* ---------- 无限滚动标语 ---------- */
.lp-marquee {
  position: relative;
  padding: 20px 0;
  background: transparent;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.lp-marquee__track {
  display: flex;
  width: max-content;
  animation: lpMarquee 32s linear infinite;
}

.lp-marquee__group {
  display: flex;
  align-items: center;
  gap: 48px;
  padding-right: 48px;
}

.lp-marquee__item {
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: transparent;
  background: linear-gradient(90deg, #006eff, #7c5cff, #00b4d8);
  -webkit-background-clip: text;
  background-clip: text;
  opacity: 0.85;
}

.lp-marquee__fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.lp-marquee__fade--l {
  left: 0;
  background: linear-gradient(90deg, #fff, transparent);
}

.lp-marquee__fade--r {
  right: 0;
  background: linear-gradient(270deg, #fff, transparent);
}

@keyframes lpMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- 冲击数字区（南孚式大数字） ---------- */
.lp-impact {
  position: relative;
  padding: clamp(72px, 10vh, 120px) 0 clamp(48px, 6vh, 72px);
  background: #0a0e14;
  color: #fff;
  overflow: hidden;
  text-align: center;
}

.lp-impact__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.lp-impact__ring {
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 50%;
  border: 1px solid rgba(0, 110, 255, 0.2);
  transform: translate(-50%, -50%);
  animation: lpImpactRing 8s ease-in-out infinite;
}

.lp-impact__ring--1 {
  width: min(520px, 80vw);
  height: min(520px, 80vw);
}

.lp-impact__ring--2 {
  width: min(720px, 95vw);
  height: min(720px, 95vw);
  animation-delay: -4s;
  border-color: rgba(124, 92, 255, 0.15);
}

@keyframes lpImpactRing {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.06); opacity: 1; }
}

.lp-impact__inner {
  position: relative;
  z-index: 2;
}

.lp-impact__eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}

.lp-impact__headline {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
  margin-bottom: 16px;
  line-height: 1;
}

.lp-impact__prefix,
.lp-impact__unit {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 700;
  background: linear-gradient(180deg, #fff, rgba(255, 255, 255, 0.65));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lp-impact__num {
  font-size: clamp(72px, 14vw, 140px);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #4d9fff 0%, #fff 45%, #7c5cff 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: lpGradientText 6s ease infinite;
}

.lp-impact__label {
  margin: 0 0 24px;
  font-size: clamp(14px, 1.8vw, 18px);
  color: rgba(255, 255, 255, 0.55);
}

.lp-impact__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.lp-impact__chips span {
  padding: 8px 16px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.75);
}

/* ---------- 沉浸式能力展示 ---------- */
.lp-showcase {
  position: relative;
  padding: clamp(56px, 7vh, 88px) 0 clamp(72px, 8vh, 100px);
  background: #0d1117;
  overflow: hidden;
}

.lp-showcase__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 0%, rgba(0, 110, 255, 0.15), transparent 55%),
    radial-gradient(ellipse 50% 40% at 90% 100%, rgba(124, 92, 255, 0.12), transparent 50%);
  pointer-events: none;
}

.lp-section-head--light .lp-section-head__title {
  color: #fff;
}

.lp-section-head--light .lp-section-head__desc {
  color: rgba(255, 255, 255, 0.55);
}

.lp-badge--light {
  color: #7eb8ff;
  background: rgba(0, 110, 255, 0.15);
  border-color: rgba(0, 110, 255, 0.25);
}

.lp-showcase__stage {
  position: relative;
  z-index: 2;
}

.lp-showcase__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
  justify-content: center;
}

.lp-showcase__tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.lp-showcase__tab:hover,
.lp-showcase__tab.is-active {
  color: #fff;
  background: rgba(0, 110, 255, 0.2);
  border-color: rgba(0, 110, 255, 0.45);
}

.lp-showcase__tab.is-active {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 110, 255, 0.25);
}

.lp-showcase__tab-icon svg {
  width: 16px;
  height: 16px;
  display: block;
}

.lp-showcase__panels {
  position: relative;
  min-height: 380px;
}

.lp-showcase__panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1), transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  position: absolute;
  inset: 0;
}

.lp-showcase__panel.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  position: relative;
}

.lp-showcase__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.lp-showcase__visual--blue { --lp-vis-a: #006eff; --lp-vis-b: #00b4d8; }
.lp-showcase__visual--violet { --lp-vis-a: #7c5cff; --lp-vis-b: #006eff; }
.lp-showcase__visual--cyan { --lp-vis-a: #00b4d8; --lp-vis-b: #28c840; }
.lp-showcase__visual--indigo { --lp-vis-a: #5b8def; --lp-vis-b: #7c5cff; }

.lp-showcase__orb {
  position: absolute;
  left: 50%;
  top: 45%;
  width: 55%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--lp-vis-a), var(--lp-vis-b));
  filter: blur(2px);
  animation: lpOrbPulse 5s ease-in-out infinite;
  box-shadow: 0 0 80px rgba(0, 110, 255, 0.35);
}

@keyframes lpOrbPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -52%) scale(1.08); }
}

.lp-showcase__rings {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lp-showcase__rings span {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  animation: lpRingSpin 12s linear infinite;
}

.lp-showcase__rings span:nth-child(1) { width: 70%; height: 70%; }
.lp-showcase__rings span:nth-child(2) { width: 85%; height: 85%; animation-direction: reverse; animation-duration: 16s; }
.lp-showcase__rings span:nth-child(3) { width: 100%; height: 100%; animation-duration: 20s; opacity: 0.5; }

@keyframes lpRingSpin {
  to { transform: rotate(360deg); }
}

.lp-showcase__stat {
  position: absolute;
  left: 24px;
  bottom: 24px;
  padding: 16px 20px;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(12px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lp-showcase__stat strong {
  display: block;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
}

.lp-showcase__stat small {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
}

.lp-showcase__copy h3 {
  margin: 0 0 12px;
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 600;
  color: #fff;
}

.lp-showcase__copy p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.6);
}

.lp-showcase__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.lp-showcase__tags li {
  padding: 6px 12px;
  font-size: 12px;
  color: #7eb8ff;
  background: rgba(0, 110, 255, 0.12);
  border: 1px solid rgba(0, 110, 255, 0.2);
  border-radius: 6px;
}

.lp-showcase__progress {
  height: 3px;
  margin-top: 28px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.lp-showcase__progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #006eff, #7c5cff);
  border-radius: 2px;
}

/* ---------- 深色区块之间的渐变白条分隔 ---------- */
.lp-bridge {
  position: relative;
  z-index: 4;
  height: clamp(48px, 7vh, 80px);
  overflow: hidden;
  background: linear-gradient(
    180deg,
    #0a0e14 0%,
    #151c28 12%,
    #c8d4e8 38%,
    #ffffff 50%,
    #d4deef 62%,
    #121820 88%,
    #0d1117 100%
  );
}

.lp-bridge__core {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: clamp(14px, 2.2vh, 22px);
  transform: translateY(-50%);
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.95) 18%,
    #ffffff 50%,
    rgba(255, 255, 255, 0.95) 82%,
    rgba(255, 255, 255, 0) 100%
  );
  box-shadow:
    0 0 40px rgba(255, 255, 255, 0.55),
    0 1px 0 rgba(0, 110, 255, 0.08);
}

.lp-bridge__line {
  position: absolute;
  left: 10%;
  right: 10%;
  top: 50%;
  height: 1px;
  transform: translateY(-50%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 110, 255, 0.2) 30%,
    rgba(124, 92, 255, 0.25) 50%,
    rgba(0, 180, 216, 0.2) 70%,
    transparent
  );
}

/* ---------- 流程步骤（卡片式，与能力区一致） ---------- */
.lp-steps {
  background: transparent;
  position: relative;
}

.lp-steps__rail {
  position: absolute;
  left: var(--lp-pad-x);
  right: var(--lp-pad-x);
  top: 50%;
  height: 3px;
  margin-top: 48px;
  background: rgba(0, 110, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  display: none;
}

.lp-steps__rail-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #006eff, #7c5cff, #00b4d8);
  border-radius: 2px;
  transition: width 0.15s ease-out;
}

.lp-steps__item.is-lit {
  border-color: rgba(0, 110, 255, 0.35);
  box-shadow: 0 16px 40px rgba(0, 110, 255, 0.12);
  transform: translateY(-2px);
}

.lp-steps__track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.lp-steps__item {
  position: relative;
  padding: 24px 20px;
  background: #fff;
  border: 1px solid var(--tc-card-border);
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(0, 40, 120, 0.04);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.lp-steps__item:hover {
  border-color: rgba(0, 110, 255, 0.15);
  box-shadow: 0 12px 32px rgba(0, 110, 255, 0.08);
}

.lp-steps__dot {
  display: none;
}

.lp-steps__num {
  display: inline-block;
  margin-bottom: 12px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--tc-brand);
  background: rgba(0, 110, 255, 0.08);
  border-radius: 4px;
}

.lp-steps__item h3 {
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--tc-text-title);
}

.lp-steps__item p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--tc-text-secondary);
}

/* ---------- 安全信任 ---------- */
.lp-trust {
  background: transparent;
}

.lp-trust__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.lp-trust-card {
  padding: 24px 22px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--tc-card-border);
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(0, 40, 120, 0.04);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.2s ease-out;
  transform-style: preserve-3d;
}

.lp-trust-card:hover {
  border-color: rgba(0, 110, 255, 0.15);
  box-shadow: 0 12px 32px rgba(0, 110, 255, 0.08);
}

.lp-trust-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--tc-brand);
  background: linear-gradient(135deg, rgba(0, 110, 255, 0.08), rgba(124, 92, 255, 0.05));
  border-radius: 10px;
}

.lp-trust-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--tc-text-title);
}

.lp-trust-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--tc-text-secondary);
}

/* ---------- 腾讯云风格页脚 ---------- */
.lp-footer {
  margin-top: 0;
  width: 100%;
}

.lp-footer__main {
  width: 100%;
  background: #fff;
  color: var(--tc-text-secondary);
  padding: 48px 0 0;
  border-top: none;
}

.lp-footer__cta {
  width: 100%;
  background: linear-gradient(135deg, #006eff 0%, #2b85ff 45%, #5b8def 100%);
  padding: clamp(40px, 5vw, 56px) 0;
}

.lp-footer__cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.lp-footer__cta-title {
  margin: 0 0 8px;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 600;
  color: #fff;
}

.lp-footer__cta-desc {
  margin: 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 480px;
}

.lp-footer__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.lp-footer__cta .lp-btn--primary {
  color: #006eff;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.lp-footer__cta .lp-btn--primary:hover {
  color: #006eff;
  background: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.lp-footer__cta .lp-btn--ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: none;
}

.lp-footer__cta .lp-btn--ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.lp-footer__grid {
  display: grid;
  grid-template-columns: minmax(200px, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 40px 32px;
  padding-bottom: 40px;
}

.lp-footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--tc-text-title);
  text-decoration: none;
}

.lp-footer__logo:hover {
  color: var(--tc-brand);
}

.lp-footer__logo-img {
  display: block;
  height: 36px;
  width: auto;
  max-width: min(360px, 85vw);
  object-fit: contain;
  object-position: left center;
}

.lp-mock__brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-style: normal;
  font-size: 11px;
  color: var(--tc-text-secondary);
}

.lp-mock__brand img {
  display: block;
  height: 18px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  opacity: 0.92;
}

.lp-mock__brand span {
  flex-shrink: 0;
}

.lp-footer__brand-desc {
  margin: 0;
  max-width: 320px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--tc-text-secondary);
}

.lp-footer__col-title {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--tc-text-title);
}

.lp-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lp-footer__links li {
  margin-bottom: 10px;
}

.lp-footer__links a {
  font-size: 13px;
  color: var(--tc-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.lp-footer__links a:hover {
  color: var(--tc-brand);
}

.lp-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 16px var(--lp-pad-x) 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 12px;
  background: #fff;
}

.lp-footer__copy {
  margin: 0;
  color: var(--tc-text-secondary);
}

.lp-footer__legal {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lp-footer__legal a {
  color: var(--tc-text-secondary);
  text-decoration: none;
}

.lp-footer__legal a:hover {
  color: var(--tc-brand);
}

.lp-footer__sep {
  color: rgba(0, 0, 0, 0.15);
}

/* ---------- Responsive ---------- */
@media (min-width: 961px) {
  .lp-steps__rail {
    display: block;
    max-width: var(--lp-content-max);
    margin-left: auto;
    margin-right: auto;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: calc(100% - var(--lp-pad-x) * 2);
  }
}

@media (max-width: 1100px) {
  .lp-showcase__panel {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .lp-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .lp-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 960px) {
  .lp-nav {
    margin-left: 12px;
    gap: 16px;
  }

  .lp-hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .lp-hero__desc {
    margin-left: auto;
    margin-right: auto;
  }

  .lp-hero__actions,
  .lp-hero__tags {
    justify-content: center;
  }

  .lp-hero__visual {
    max-width: 400px;
    margin: 0 auto;
    justify-self: center;
  }

  .lp-hero--cinema {
    min-height: auto;
  }

  .lp-scroll-hint {
    display: none;
  }

  .lp-showcase__panels {
    min-height: 520px;
  }

  .lp-mock-float--a { left: 0; }
  .lp-mock-float--b { right: 0; }

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

  .lp-footer__cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .lp-footer__cta-actions {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  :root {
    --lp-pad-x: 16px;
  }

  .lp-section {
    padding: 48px 0;
  }

  .lp-trust__grid,
  .lp-steps__track {
    grid-template-columns: 1fr;
  }

  .lp-showcase__tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .lp-showcase__tab {
    flex-shrink: 0;
  }

  .lp-footer__grid {
    grid-template-columns: 1fr;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .lp-reveal,
  .lp-mock-float,
  .lp-hero__blob,
  .lp-mock__chart-line,
  .lp-section-head__eyebrow,
  .lp-hero__title-line--accent,
  .lp-marquee__track,
  .lp-impact__ring,
  .lp-impact__num,
  .lp-showcase__orb,
  .lp-showcase__rings span,
  .lp-hero.is-hero-ready .lp-mock,
  .lp-char {
    animation: none !important;
    transition: none !important;
  }

  .lp-reveal,
  .lp-showcase__panel {
    opacity: 1;
    transform: none;
  }

  .lp-showcase__panel[hidden] {
    display: none !important;
  }

  .lp-showcase__panel.is-active {
    display: grid !important;
  }
}