:root {
  --page-bg: #05020d;
  --section-dark: #0b0318;
  --section-deep: #070111;
  --gradient-hero: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08), transparent 60%), linear-gradient(140deg, #210055, #060113);
  --gradient-cta: linear-gradient(180deg, #100124, #1c0640);
  --text-primary: #f5f2ff;
  --text-secondary: #c9c3ff;
  --accent: #a058ff;
  --accent-strong: #d73fff;
  --accent-blue: #4b9bff;
  --card-bg: rgba(14, 6, 28, 0.95);
  --border-light: rgba(255, 255, 255, 0.08);
}

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

body {
  margin: 0;
  font-family: "Poppins", "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  background: var(--page-bg);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

.converter-page {
  background: #04010a;
}

section {
  position: relative;
  overflow: hidden;
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.hero {
  padding: 180px 0 180px;
  background: var(--gradient-hero);
}

.hero .container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 60px;
  align-items: center;
  padding: 20px 30px;
}

.hero-text h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  margin: 14px 0 24px;
}

.hero-text p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 13px;
  font-weight: 600;
  color: #b2a5f8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.hero-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 7px 36px;
  border-radius: 999px;
  font-weight: 600;
  color: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.hero-actions .btn.primary {
  background: linear-gradient(120deg, #6f46ff, #ba5eff);
  box-shadow: 0 12px 22px rgba(155, 85, 255, 0.4);
}

.hero-actions .btn.secondary {
  background: linear-gradient(120deg, #ff7ad6, #ff5f9a);
  box-shadow: 0 12px 26px rgba(255, 91, 176, 0.35);
}

.hero-actions .btn.large {
  font-size: 18px;
  padding: 16px 36px;
}

.hero-actions .btn.ghost {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--text-primary);
  background: transparent;
  border-radius: 24px;
}

.hero-actions .btn:hover {
  transform: translateY(-3px);
}

.hero-actions .btn:active {
  transform: translateY(0);
}

.hero-actions .btn .iconfont {
  font-size: 24px;
}


.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #c6c5ff;
  font-weight: 500;
  position: relative;
}

.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.3);
  transition: transform 0.3s ease;
  transform-origin: left;
}

.text-link:hover::after {
  transform: scaleX(0.4);
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero-screen {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.window {
  width: min(520px, 95vw);
  border-radius: 36px;
  box-shadow: 0 40px 70px rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.format-badges {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 28px;
  background: rgba(4, 0, 16, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 30px rgba(2, 0, 10, 0.55);
  backdrop-filter: blur(8px);
}

.format-badges span {
  background: linear-gradient(120deg, #3390ff, #61f4e7);
  padding: 6px 14px;
  border-radius: 999px;
  color: #0b0b25;
  font-weight: 700;
  letter-spacing: 0.05em;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.45);
}

.format-badges span:nth-child(2) {
  background: linear-gradient(120deg, #b368ff, #ff7bf3);
}

.format-badges span:nth-child(3) {
  background: linear-gradient(120deg, #47f3a1, #12b58f);
}

.format-badges span:nth-child(4) {
  background: linear-gradient(120deg, #ff7a7a, #ff4fd0);
}

.hero-badges {
  position: absolute;
  right: 0px;
  top: 50%;
  transform: translateY(-50%);
  align-items: stretch;
  animation: heroBadgeFloat 4s ease-in-out infinite;
  will-change: transform;
}

.hero-badges span {
  align-self: auto;
}

@keyframes heroBadgeFloat {
  0% {
    transform: translateY(-50%) translateY(-8px);
  }

  50% {
    transform: translateY(-50%) translateY(8px);
  }

  100% {
    transform: translateY(-50%) translateY(-8px);
  }
}

.needs {
  padding: 90px 0 120px;
  background: linear-gradient(180deg, #05020e 0%, #080112 100%);
}

.needs h2,
.features h2,
.stream h2,
.workflow h2,
.scenarios h2,
.comparison h2,
.trust h2,
.testimonials h2,
.cta h2 {
  text-align: center;
  font-size: clamp(28px, 4vw, 38px);
  margin-bottom: 40px;
}

.needs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.needs-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--card-bg);
  border-radius: 24px;
  padding: 32px 26px;
  border: 1px solid var(--border-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border 0.3s ease;
  position: relative;
  overflow: hidden;
}

.needs-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
  border-color: rgba(255, 255, 255, 0.2);
}

.needs-card:hover::after {
  opacity: 1;
}

.needs-card .needs-icon::before {
  font-size: 54px;
  color: #ba5eff;
}

.needs-card p {
  text-align: center;
  margin: 0;
  color: hsl(240deg 6.14% 55.29%);
}
.features {
  padding: 100px 0 80px;
  background: radial-gradient(circle at 60% 0%, rgba(102, 37, 234, 0.3), transparent 60%), #070111;
}

.feature-row {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.feature-row.reverse {
  flex-direction: row-reverse;
}

.feature-text {
  flex: 1 1 320px;
}

.feature-text h3 {
  margin-bottom: 12px;
  font-size: 26px;
}

.feature-text p {
  color: var(--text-secondary);
}

.feature-visual {
  --visual-glow: rgba(2, 0, 8, 0.7);
  flex: 1 1 320px;
  min-height: 240px;
  aspect-ratio: 16 / 9;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 40px 70px var(--visual-glow);
  background: #080013;
}

.feature-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  transition: transform 0.6s ease;
}

.feature-visual:hover img {
  transform: scale(1.03);
}

.stream {
  padding: 90px 0;
  background: linear-gradient(180deg, #0f0423 0%, #180733 100%);
}

.stream-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  align-items: center;
}

.stream-text p {
  color: var(--text-secondary);
  margin-top: -16px;
}

.stream-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.stream-item {
  background: rgba(18, 6, 34, 0.95);
  border-radius: 22px;
  padding: 18px 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border 0.3s ease, transform 0.3s ease;
}

.stream-item:hover {
  border-color: rgba(74, 227, 255, 0.6);
  transform: translateY(-4px);
}

.check-icon {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border-radius: 50%;
  background: linear-gradient(140deg, #49f4b2, #2dbce0);
  position: relative;
}

.check-icon::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 10px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  left: 7px;
  top: 3px;
  transform: rotate(40deg);
}

.workflow {
  padding: 100px 0 90px;
  background: radial-gradient(circle at 50% 0%, rgba(147, 73, 255, 0.25), transparent 55%), linear-gradient(180deg, #180632 0%, #090312 100%);
}

.workflow-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 50px;
}

.workflow-head p {
  color: var(--text-secondary);
  margin-top: 14px;
}

.workflow-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.workflow-copy p {
  color: var(--text-secondary);
  text-align: left;
}

.workflow-steps {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.workflow-step {
  background: rgba(12, 3, 24, 0.95);
  border-radius: 22px;
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
  color: var(--text-secondary);
  transition: border 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

.workflow-step.active {
  border-color: #bb7dff;
  color: #fff;
  transform: translateX(6px);
  background: rgba(43, 12, 74, 0.8);
}

.workflow-step .step-id {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
}

.workflow-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.workflow-visual img {
  width: min(520px, 92vw);
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 35px 60px rgba(4, 2, 8, 0.75);
  object-fit: cover;
}

.scenarios {
  padding: 100px 0 80px;
  background: linear-gradient(180deg, #160430, #090214);
}

.section-desc {
  text-align: center;
  color: var(--text-secondary);
  margin-top: -24px;
  margin-bottom: 50px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}

.scenario-card {
  background: rgba(15, 4, 30, 0.95);
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  box-shadow: 0 30px 45px rgba(0, 0, 0, 0.45);
  transition: transform 0.3s ease;
}

.scenario-card:hover {
  transform: translateY(-6px);
}

.scenario-visual {
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  position: relative;
  overflow: hidden;
}

.scenario-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 0;
}

.scenario-body {
  padding: 20px 24px 30px;
}

.scenario-body h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.scenario-body p {
  color: var(--text-secondary);
  margin: 0;
}

.comparison {
  padding: 100px 0 80px;
  background: linear-gradient(180deg, #0b0316, #060109);
}

.comparison-table {
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  background: rgba(15, 2, 28, 0.85);
  box-shadow: 0 40px 60px rgba(0, 0, 0, 0.55);
}

.comparison-header {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: linear-gradient(120deg, #7e5fff, #ff5ebc);
  padding: 20px 30px;
  font-weight: 600;
  text-align: center;
}

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

.comparison-body > div {
  padding: 18px 90px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  justify-content: flex-start;
}

.comparison-body > div:nth-child(even) {
  border-right: none;
}

.trust {
  padding: 90px 0 60px;
  background: linear-gradient(180deg, #120424, #050109);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.trust-card {
  background: rgba(10, 2, 24, 0.95);
  border-radius: 20px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  color: var(--text-secondary);
}

.trust-card h3 {
  color: var(--text-primary);
  margin-bottom: 10px;
}

.trust-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, #5d2fff, #e244ff);
  margin: 0 auto 14px;
  position: relative;
}
.trust-icon.iconfont::before {
  font-size: 32px;
  color: #fff;
  line-height: 60px;
}

.testimonials {
  padding: 100px 0 70px;
  background: #050109;
}

.testimonial-card {
  background: rgba(9, 9, 20, 0.96);
  border-radius: 24px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 24px 40px rgba(0, 0, 0, 0.55);
  height: auto;
}

.stars {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.stars span {
  width: 16px;
  height: 16px;
  background: radial-gradient(circle, #ffc84d, #ff9f1a);
  clip-path: polygon(
    50% 0%,
    61% 35%,
    98% 35%,
    68% 57%,
    79% 91%,
    50% 70%,
    21% 91%,
    32% 57%,
    2% 35%,
    39% 35%
  );
}

.quote {
  color: var(--text-secondary);
  font-size: 17px;
  min-height: 80px;
}

.author {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
  flex-direction: row-reverse;
}
.author p {
  margin: 0;
  padding: 0;
  font-size: 12px;
  color: #cccc;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6c5bff, #ba5eff);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.swiper-pagination-bullet {
  background: rgba(255, 255, 255, 0.5);
}

.swiper-pagination-bullet-active {
  background: #a45bff;
}

.cta {
  padding: 90px 0;
  background: var(--gradient-cta);
  text-align: center;
}

.cta p {
  color: var(--text-secondary);
  margin-top: -16px;
  margin-bottom: 32px;
}

.cta .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 7px 36px;
  border-radius: 999px;
  font-weight: 600;
  color: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.cta .btn.primary {
  background: linear-gradient(120deg, #6f46ff, #ba5eff);
  box-shadow: 0 12px 22px rgba(155, 85, 255, 0.4);
}

.cta .btn.secondary {
  background: linear-gradient(120deg, #ff7ad6, #ff5f9a);
  box-shadow: 0 12px 26px rgba(255, 91, 176, 0.35);
}

.cta .btn.large {
  font-size: 18px;
  padding: 16px 36px;
}

.cta .btn.ghost {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--text-primary);
  background: transparent;
  border-radius: 24px;
}

.cta .btn:hover {
  transform: translateY(-3px);
}

.cta .btn:active {
  transform: translateY(0);
}

.cta .btn .iconfont {
  font-size: 16px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}

@media (max-width: 768px) {
  .comparison-body > div {
    padding: 18px 26px;
  }
  .feature-row {
    flex-direction: column;
  }

  .hero {
    padding: 100px 0 40px;
  }

  .hero .container {
    padding-inline: 20px;
  }

  .hero-visual {
    justify-content: center;
  }

  .hero-screen {
    flex-direction: column;
    align-items: center;
  }

  .hero-badges {
    position: static;
    transform: none;
    flex-direction: row;
    margin-top: 20px;
    gap: 10px;
    width: 100%;
    justify-content: center;
    animation: none;
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
  }

  .comparison-header,
  .comparison-body {
    grid-template-columns: 1fr;
  }

  .workflow-step {
    padding: 14px 16px;
  }
  .feature-visual {
    flex: none;
    width: 100%;
    min-height: 0;
  }
  .feature-text {
    flex: 1 1 auto;
  }
}

@media (max-width: 520px) {
  .needs-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .workflow-visual img {
    border-radius: 24px;
  }

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