:root {
  color-scheme: light;
  --bg: #eef4f2;
  --surface: #ffffff;
  --ink: #15212a;
  --muted: #62717a;
  --line: #d7e1df;
  --brand: #17b986;
  --brand-strong: #08765f;
  --accent: #f7a931;
  --cyan: #20bfd0;
  --terminal: #102832;
  --terminal-soft: #183945;
  --soft: #e7f5f2;
  --shadow: 0 24px 70px rgba(19, 36, 47, .16);
  font-family: Arial, "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin-top: 0; }
.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(21, 33, 42, .1);
  background: rgba(238, 244, 242, .9);
  backdrop-filter: blur(16px);
}
.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 21px;
  font-weight: 900;
  letter-spacing: 0;
  white-space: nowrap;
}
.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #06231d;
  background: linear-gradient(135deg, #4df3c4, #f4b14d);
  box-shadow: 0 12px 28px rgba(0, 168, 135, .26);
  font-size: 15px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 15px;
}
.nav-links a:hover { color: var(--brand-strong); }

.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
}
.btn-primary {
  color: #06231d;
  background: var(--brand);
  box-shadow: 0 14px 32px rgba(0, 168, 135, .24);
}
.btn-primary:hover { background: #19c79f; }
.btn-secondary {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
}

.hero {
  padding: 78px 0 66px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 16%, rgba(32, 191, 208, .16), transparent 34%),
    linear-gradient(180deg, rgba(23, 185, 134, .12), rgba(238, 244, 242, 0) 62%),
    var(--bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(440px, .94fr);
  gap: 54px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--brand-strong);
  font-size: 14px;
  font-weight: 900;
}
.eyebrow::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--accent);
}
h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: clamp(42px, 6vw, 70px);
  line-height: 1.06;
  letter-spacing: 0;
}
.lead {
  max-width: 700px;
  color: var(--muted);
  font-size: 18px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 26px;
}
.trust-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 730px;
}
.trust-item {
  min-height: 78px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .74);
  color: var(--muted);
  font-size: 14px;
}
.trust-item strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.35;
}

.screenshot-slider {
  min-width: 0;
}
.slider-shell {
  overflow: hidden;
  border: 1px solid rgba(16, 40, 50, .18);
  border-radius: 8px;
  background: var(--terminal);
  box-shadow: var(--shadow);
}
.slider-top {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 14px;
  color: #b5c8c9;
  background: #203745;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px;
}
.dots { display: flex; gap: 7px; }
.dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff6258;
}
.dots span:nth-child(2) { background: #ffbe2e; }
.dots span:nth-child(3) { background: #2aca44; }
.slides {
  width: 300%;
  display: flex;
  animation: screenshot-slide 15s infinite;
}
.slide {
  width: 33.333%;
  flex: 0 0 33.333%;
  margin: 0;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(23, 185, 134, .12), rgba(247, 169, 49, .08)),
    #132d38;
}
.slide img {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 8px;
  background: #eef3f1;
}
.slide figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 74px;
  padding: 14px 2px 2px;
  color: #bad4d5;
}
.slide figcaption strong {
  color: #ffffff;
  font-size: 18px;
  white-space: nowrap;
}
.slide figcaption span {
  max-width: 390px;
  text-align: right;
  font-size: 14px;
}
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}
.slider-dots span {
  width: 34px;
  height: 4px;
  border-radius: 999px;
  background: #bdd3cf;
}
.slider-dots span.is-active {
  background: var(--brand);
}
@keyframes screenshot-slide {
  0%, 28% { transform: translateX(0); }
  34%, 62% { transform: translateX(-33.333%); }
  68%, 94% { transform: translateX(-66.666%); }
  100% { transform: translateX(0); }
}

section { padding: 72px 0; }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 30px;
}
.section-head h2 {
  max-width: 660px;
  margin-bottom: 8px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.16;
  letter-spacing: 0;
}
.section-head p {
  max-width: 560px;
  margin-bottom: 0;
  color: var(--muted);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.feature-card {
  min-height: 224px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}
.feature-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 8px;
  color: var(--brand-strong);
  background: var(--soft);
  font-weight: 900;
}
.feature-card:nth-child(2n) .feature-icon {
  color: #875100;
  background: #fff0d3;
}
.feature-card:nth-child(3n) .feature-icon {
  color: #076d77;
  background: #ddf7fa;
}
.feature-card h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: 0;
}
.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.trust-panel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.trust-panel {
  min-height: 132px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}
.trust-panel strong,
.trust-panel span {
  display: block;
}
.trust-panel strong {
  margin-bottom: 8px;
  font-size: 19px;
}
.trust-panel span {
  color: var(--muted);
}

.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.tutorial-card {
  min-height: 238px;
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}
.tutorial-card.wide {
  grid-column: span 2;
}
.tutorial-card span {
  width: max-content;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: #09251f;
  background: var(--brand);
  font-size: 13px;
  font-weight: 900;
}
.tutorial-card h3 {
  margin: 16px 0 10px;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0;
}
.tutorial-card h3 a:hover {
  color: var(--brand-strong);
}
.tutorial-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.dark-band {
  background: var(--terminal);
  color: #f3fbfa;
}
.dark-band .section-head p,
.workflow-card p,
.scenario p { color: #c0d0d3; }
.workflow-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 22px;
  align-items: stretch;
}
.workflow-card {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 8px;
  background: rgba(255, 255, 255, .06);
}
.workflow-card strong {
  display: block;
  margin-bottom: 12px;
  color: #fff;
  font-size: 24px;
  line-height: 1.3;
}
.workflow-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.workflow-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  color: #e5f2ee;
}
.workflow-list span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #09251f;
  background: var(--brand);
  font-weight: 900;
}
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.scenario {
  min-height: 156px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 8px;
  background: rgba(255, 255, 255, .06);
}
.scenario h3 {
  margin-bottom: 8px;
  color: #fff;
  font-size: 18px;
}

.version-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.version-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--line);
}
.version-row:last-child { border-bottom: 0; }
.version-row span,
.version-row strong {
  padding: 16px 18px;
  line-height: 1.6;
}
.version-row span {
  color: var(--muted);
  background: #f8fbfa;
}
.version-row strong { font-weight: 700; }

.download {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.wizard-section {
  background: #ffffff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.wizard-grid {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(340px, 1fr);
  gap: 24px;
  align-items: stretch;
}
.wizard-form,
.wizard-result {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfc;
}
.wizard-form {
  display: grid;
  gap: 16px;
}
.wizard-form label span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}
.wizard-form select {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
}
.wizard-result {
  background: var(--terminal);
  color: #d8eee6;
}
.wizard-result strong {
  display: block;
  margin-bottom: 12px;
  color: #ffffff;
  font-size: 22px;
}
.wizard-result ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
}
.wizard-result li {
  color: #c0d0d3;
}
.download-box {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 26px;
  align-items: stretch;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 168, 135, .11), rgba(255, 159, 28, .1)),
    #fbfdfc;
}
.download-box h2 {
  margin-bottom: 10px;
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: 0;
}
.download-box p {
  max-width: 700px;
  color: var(--muted);
}
.download-copy {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 18px 46px rgba(19, 36, 47, .08);
}
.download-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.download-meta span,
.comment-meta span {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--brand-strong);
  font-size: 13px;
  font-weight: 900;
}
.download-check {
  margin-top: 18px;
  padding: 14px;
  border: 1px solid #c9e9e3;
  border-radius: 8px;
  background: #fff;
}
.download-check strong,
.download-check span {
  display: block;
}
.download-check span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
}
.download-panel {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 14px;
  align-self: stretch;
  height: 100%;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .84);
  box-shadow: 0 18px 46px rgba(19, 36, 47, .08);
}
.download-panel .btn {
  width: 100%;
  min-height: 56px;
  font-size: 17px;
}
.download-panel-head {
  padding: 16px;
  border-radius: 8px;
  background: var(--terminal);
  color: #d8eee6;
}
.download-panel-head span,
.download-summary span {
  display: block;
  color: #a7c2c4;
  font-size: 13px;
  line-height: 1.5;
}
.download-panel-head strong {
  display: block;
  margin-top: 4px;
  color: #fff;
  font-size: 25px;
  line-height: 1.25;
}
.download-summary {
  display: grid;
  gap: 10px;
}
.download-summary div {
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.download-summary span { color: var(--muted); }
.download-summary strong {
  display: block;
  margin-top: 3px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.45;
}

.comments-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.comment-card {
  min-height: 228px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.comment-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.comment-user {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  min-height: 44px;
}
.avatar {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 50%;
  color: #09251f;
  background: var(--brand);
  font-size: 17px;
  font-weight: 900;
  line-height: 1;
  text-align: center;
}
.avatar b {
  display: block;
  font: inherit;
  line-height: 1;
  transform: translateY(2px);
}
.comment-user strong,
.comment-user span { display: block; }
.comment-user strong {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.25;
}
.comment-user span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.25;
}
.stars {
  color: var(--accent);
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
}
.comment-card p {
  margin-bottom: 0;
  color: var(--muted);
}
.comment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 920px;
  margin: 0 auto;
}
details {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
}
details p {
  margin: 12px 0 0;
  color: var(--muted);
}
.site-footer {
  padding: 34px 0;
  background: var(--terminal);
  color: #c0d0d3;
}

.article-page {
  padding: 54px 0 80px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.simple-page {
  padding: 60px 0 80px;
}
.simple-card {
  max-width: 860px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}
.simple-card h1 {
  font-size: clamp(34px, 4vw, 52px);
}
.simple-card p {
  color: var(--muted);
}
.article-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 820px);
  gap: 42px;
  align-items: start;
}
.article-toc {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}
.article-toc a {
  color: var(--muted);
  font-size: 14px;
}
.article-toc a:first-child {
  color: var(--brand-strong);
  font-weight: 900;
}
.article-main {
  min-width: 0;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 14px;
}
.breadcrumb a {
  color: var(--brand-strong);
  font-weight: 800;
}
.article-hero {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(23, 185, 134, .11), rgba(247, 169, 49, .08)),
    #ffffff;
}
.article-hero h1 {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: clamp(34px, 4vw, 52px);
}
.article-hero p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}
.article-cover {
  width: 100%;
  margin: 22px 0 30px;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}
.article-main section {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.article-main section:last-of-type {
  border-bottom: 0;
}
.article-main h2 {
  margin-bottom: 12px;
  font-size: 30px;
  line-height: 1.25;
}
.article-main h3 {
  margin: 22px 0 8px;
  font-size: 20px;
  line-height: 1.35;
}
.article-main p {
  color: var(--muted);
}
.article-main code {
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--soft);
  color: var(--brand-strong);
}
.article-next {
  margin-top: 28px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 14px;
}
.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 980px) {
  .hero-grid,
  .workflow-grid,
  .download-box {
    grid-template-columns: 1fr;
  }
  .feature-grid,
  .trust-panel-grid,
  .tutorial-grid,
  .comments-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tutorial-card.wide {
    grid-column: span 2;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-toc {
    position: static;
  }
  .screenshot-slider { max-width: none; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 28px, 1180px); }
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 15px 0;
  }
  .nav-links {
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .hero { padding-top: 48px; }
  h1 { font-size: 42px; }
  .trust-row,
  .feature-grid,
  .trust-panel-grid,
  .tutorial-grid,
  .scenario-grid,
  .comments-grid {
    grid-template-columns: 1fr;
  }
  .tutorial-card.wide {
    grid-column: auto;
  }
  .article-hero {
    padding: 24px;
  }
  .slide { padding: 14px; }
  .slide figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
  .slide figcaption span {
    max-width: none;
    text-align: left;
  }
  .section-head { display: block; }
  .version-row { grid-template-columns: 1fr; }
  .download-box { padding: 24px; }
  .download-copy {
    min-height: 0;
    padding: 20px;
  }
  .wizard-grid {
    grid-template-columns: 1fr;
  }
  .download-panel {
    height: auto;
    grid-template-rows: none;
  }
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}