@charset "UTF-8";

:root {
  --bg: #0B0B0B;
  --bg-2: #111211;
  --panel: #151716;
  --line: #262A27;
  --ink: #EDF1EE;
  --muted: #9BA69F;
  --green: #22C55E;
  --green-deep: #15803D;
  --amber: #D9A227;
  --shell: 1160px;
  --header-height: 68px;
  --mono: "Consolas", "JetBrains Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 16px); }
body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
svg { display: block; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.2px;
  line-height: 1.4;
}
.eyebrow::before { width: 18px; height: 2px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 11, 11, .95);
  backdrop-filter: blur(12px);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), var(--shell));
  min-height: var(--header-height);
  margin: 0 auto;
  gap: 18px;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 10px; font-size: 20px; font-weight: 900; letter-spacing: .4px; }
.brand img { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 9px; object-fit: contain; background: #101311; }
.brand-tag {
  padding: 2px 6px;
  border: 1px solid var(--green-deep);
  border-radius: 4px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 9px;
  font-style: normal;
  letter-spacing: 1px;
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(12px, 1.8vw, 24px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 7px 0; border-bottom: 2px solid transparent; color: #A6B0A9; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--green); color: #fff; }
.nav-actions { display: flex; align-items: center; flex: none; gap: 10px; }
.nav-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  gap: 8px;
  padding: 0 17px;
  border: 1px solid var(--green);
  border-radius: 7px;
  background: var(--green);
  color: #04140A;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: transparent; color: var(--green); }
.nav-download svg, .button svg { width: 17px; height: 17px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 17px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .18s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* hero */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(620px 340px at 88% -12%, rgba(34, 197, 94, .16), transparent 72%),
    linear-gradient(180deg, #0F1411 0%, var(--bg) 100%);
}
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: repeating-linear-gradient(0deg, rgba(34, 197, 94, .05) 0 1px, transparent 1px 5px);
  opacity: .5;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 430px);
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  padding: 60px 0 34px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: #97A39B;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.2px;
}
.hero-kicker b {
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--green);
  color: #04140A;
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 1.4px;
}
.hero h1 { margin: 0; font-size: clamp(54px, 7.6vw, 96px); font-weight: 900; letter-spacing: -3px; line-height: .98; }
.hero-subtitle { margin: 16px 0 0; color: var(--green); font-size: clamp(18px, 2vw, 23px); font-weight: 800; line-height: 1.4; }
.hero-lead { max-width: 510px; margin: 13px 0 0; color: var(--muted); font-size: 14px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 26px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 12px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--green); color: #04140A; box-shadow: 0 12px 26px rgba(34, 197, 94, .2); }
.button-primary:hover { background: #3EDD77; transform: translateY(-2px); }
.button-large { min-height: 52px; padding: 0 32px; font-size: 15px; }
.text-link { color: #BFD0C6; border-bottom: 1px dashed #2E4A37; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 4px; color: var(--green); }

.config-panel {
  min-width: 0;
  border: 1px solid #2A4534;
  border-radius: 10px;
  background: #0D1210;
  box-shadow: 0 24px 48px rgba(0, 0, 0, .5);
  overflow: hidden;
}
.config-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 16px;
  margin: 0;
  border-bottom: 1px solid #22352A;
  background: #121A15;
  color: #C9D8CF;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.2px;
}
.config-head b { color: var(--green); font-weight: 700; }
.config-body {
  padding: 16px 16px 8px;
  margin: 0;
  overflow-x: auto;
  color: #9FE8B9;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.85;
  white-space: pre;
}
.config-body code { font-family: inherit; }
.config-foot { padding: 10px 16px 14px; margin: 0; border-top: 1px solid #1B2A21; color: #7E8F86; font-size: 11.5px; }

.lamp-row {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding: 12px 18px;
  margin: 0 0 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0E1210;
  list-style: none;
}
.lamp { display: inline-flex; align-items: center; gap: 8px; color: #B6C4BB; font-family: var(--mono); font-size: 11.5px; }
.lamp i { width: 8px; height: 8px; border-radius: 50%; background: #3A4740; }
.lamp.is-ok i { background: var(--green); box-shadow: 0 0 0 4px rgba(34, 197, 94, .14); }
.lamp.is-wait i { background: var(--amber); box-shadow: 0 0 0 4px rgba(217, 162, 39, .12); }
.lamp-note { margin-left: auto; color: #6F7E75; font-family: var(--mono); font-size: 11px; }

/* features */
.features { padding: 72px 0 76px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 30px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(23px, 2.7vw, 34px); font-weight: 900; letter-spacing: -.5px; line-height: 1.3; }
.section-heading > p:last-child { max-width: 600px; margin: 11px 0 0; color: var(--muted); font-size: 13.5px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(190px, 280px); align-items: end; gap: 24px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.feature-card {
  padding: 22px 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  border-left: 2px solid var(--green-deep);
}
.feature-no { display: block; margin-bottom: 9px; color: var(--green); font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: 1.6px; }
.feature-card h3 { margin: 0 0 6px; font-size: 16.5px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.6px; line-height: 1.8; }

/* shots */
.shots { padding: 72px 0 78px; }
.shot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
}
.shot-card { margin: 0; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); overflow: hidden; }
.shot-lead { grid-row: span 2; }
.shot-card img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.shot-lead img { flex: 1; aspect-ratio: auto; height: 100%; min-height: 220px; }
.shot-card figcaption { display: flex; align-items: baseline; gap: 8px; padding: 10px 12px 11px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--green); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption span { display: flex; flex-direction: column; font-size: 12.8px; font-weight: 800; line-height: 1.4; }
.shot-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }
.shot-note {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 18px 16px;
  border: 1px dashed #34503C;
  border-radius: 9px;
  background: #0E1411;
}
.shot-note b { color: var(--green); font-family: var(--mono); font-size: 11px; letter-spacing: 1px; }
.shot-note p { margin: 0; color: var(--muted); font-size: 12.4px; line-height: 1.75; }

/* faq */
.faq { padding: 70px 0 76px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: clamp(24px, 4vw, 50px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 24px); align-self: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary h3 { margin: 0; font-size: 15px; font-weight: 900; }
.faq-list summary i { position: relative; flex: none; width: 22px; height: 22px; border: 1px solid var(--line); border-radius: 5px; }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 9px; height: 1.5px; content: ""; background: var(--green); transform: translate(-50%, -50%); }
.faq-list summary i::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .2s ease; }
.faq-list details[open] summary i::after { transform: translate(-50%, -50%) rotate(0); }
.faq-list details p { padding: 0 26px 16px 0; margin: 0; color: var(--muted); font-size: 13.2px; line-height: 1.85; }

/* reviews */
.reviews { padding: 72px 0 78px; }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 0; margin: 0; list-style: none; }
.review-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--green-deep);
  border-radius: 8px;
  background: var(--panel);
}
.review-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.review-meta b { color: var(--green); font-size: 12.8px; font-weight: 900; }
.review-meta time { color: #78877E; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: #B8C6BD; font-size: 12.8px; line-height: 1.8; }

/* steps */
.steps { padding: 68px 0 74px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding: 0; margin: 0; list-style: none; counter-reset: step; }
.step-list li { display: flex; flex-direction: column; gap: 8px; padding: 20px 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.step-list span { color: var(--green); font-family: var(--mono); font-size: 24px; font-weight: 700; line-height: 1; }
.step-list h3 { margin: 0; font-size: 15.5px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.8px; line-height: 1.75; }

/* download */
.download { padding: 26px 0; }
.download-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 26px;
  padding: 42px clamp(24px, 4.5vw, 54px);
  border: 1px solid #2B4A35;
  border-radius: 10px;
  background:
    radial-gradient(400px 220px at 96% -10%, rgba(34, 197, 94, .2), transparent 72%),
    linear-gradient(110deg, #10201A, #0E1611 78%);
}
.download-copy { min-width: 0; flex: 1 1 320px; }
.download .eyebrow { color: var(--green); }
.download h2 { max-width: 560px; }
.download-copy > p:last-child { max-width: 500px; margin: 12px 0 0; color: #9FB0A6; font-size: 13.5px; }
.download-action { display: flex; flex-direction: column; align-items: flex-start; flex: 0 1 auto; gap: 16px; }
.download-notes { display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 0; margin: 0; list-style: none; }
.download-notes li { color: #9FE8B9; font-family: var(--mono); font-size: 11px; }
.download-notes li::before { margin-right: 6px; content: "·"; color: var(--green); }

/* footer */
.site-footer { padding: 40px 0 48px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 36px; align-items: start; }
.footer-brand strong { font-size: 17px; font-weight: 900; }
.footer-brand p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-nav a { color: #B1BFB6; font-size: 12px; }
.footer-nav a:hover { color: var(--green); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-meta p { margin: 0; }
.footer-meta a { color: var(--muted); }
.disclaimer { grid-column: 1 / -1; margin: 0; color: #75847B; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 340px); gap: 24px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shot-lead { grid-row: auto; }
  .shot-lead img { aspect-ratio: 16 / 9; height: auto; min-height: 0; }
  .review-list { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 8px 24px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    box-shadow: 0 16px 26px rgba(0, 0, 0, .6);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .hero-grid { grid-template-columns: 1fr; padding: 44px 0 26px; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
}
@media (max-width: 768px) {
  .step-list { grid-template-columns: 1fr; }
  .lamp-note { margin-left: 0; }
  .download-inner { flex-direction: column; align-items: flex-start; }
  .download-action { width: 100%; }
}
@media (max-width: 560px) {
  .page-shell, .nav-shell { width: calc(100% - 30px); }
  .hero h1 { font-size: clamp(46px, 15vw, 62px); }
  .hero-subtitle { font-size: 17.5px; }
  .feature-grid { grid-template-columns: 1fr; }
  .shot-grid { grid-template-columns: 1fr; }
  .config-body { font-size: 11px; }
  .section-heading-split { grid-template-columns: 1fr; gap: 8px; }
  .section-heading-split > p:last-child { margin: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .button { width: 100%; }
  .download-action { align-items: stretch; }
}
@media (max-width: 380px) {
  .brand { font-size: 16px; gap: 7px; }
  .brand img { width: 30px; height: 30px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 7px; }
  .nav-download { min-height: 34px; padding: 0 8px; font-size: 11px; gap: 4px; }
  .nav-download svg { width: 13px; height: 13px; }
  .menu-toggle { width: 34px; height: 34px; }
  .hero h1 { font-size: 44px; }
  .hero-kicker { font-size: 10px; }
  .lamp-row { padding: 10px 12px; gap: 6px 12px; }
  .lamp { font-size: 10.5px; }
  .config-body { font-size: 10px; }
}