@charset "UTF-8";

:root {
  --bg: #1c2321;
  --bg-2: #212a27;
  --panel: #263230;
  --line: #33413d;
  --ink: #eef5f1;
  --muted: #9db0a9;
  --green: #1f7a5a;
  --green-bright: #3aa87b;
  --mint: #b9e6d3;
  --shell: 1160px;
  --header-height: 68px;
}

* { 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;
}
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-bright); outline-offset: 3px; }
.page-shell { width: min(calc(100% - 44px), var(--shell)); margin: 0 auto; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  color: var(--green-bright);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 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(28, 35, 33, .94);
  backdrop-filter: blur(12px);
}
.nav-shell {
  display: flex;
  align-items: center;
  gap: 18px;
  width: min(calc(100% - 44px), var(--shell));
  min-height: var(--header-height);
  margin: 0 auto;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 9px; font-size: 21px; font-weight: 900; letter-spacing: -.3px; }
.brand img { width: 34px; height: 34px; border-radius: 9px; object-fit: contain; background: #fff; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--green-bright);
  border-radius: 5px;
  color: var(--mint);
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(11px, 1.7vw, 22px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 6px 0; color: #a5b7b0; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { color: var(--mint); }
.nav-actions { display: flex; align-items: center; flex: none; gap: 9px; }
.nav-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  gap: 7px;
  padding: 0 16px;
  border: 1px solid var(--green-bright);
  border-radius: 6px;
  background: var(--green);
  color: #eafff5;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: var(--green-bright); color: #10231c; }
.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: 6px; 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(600px 400px at 84% -8%, rgba(58, 168, 123, .22), transparent 70%),
    linear-gradient(180deg, #202826 0%, var(--bg) 100%);
}
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: repeating-linear-gradient(90deg, rgba(185, 230, 211, .05) 0 1px, transparent 1px 74px);
  mask-image: linear-gradient(180deg, #000, transparent 92%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(250px, .94fr);
  align-items: stretch;
  gap: clamp(22px, 4vw, 52px);
  padding: 52px 0 26px;
}
.hero-copy { display: flex; flex-direction: column; min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  color: #9db0a9;
  font-size: 11.5px;
  letter-spacing: 1.4px;
}
.hero-kicker b {
  padding: 2px 8px;
  border: 1px solid var(--green-bright);
  border-radius: 4px;
  color: var(--mint);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 1px;
}
.hero h1 {
  margin: 0;
  color: #f2fbf6;
  font-size: clamp(52px, 7.4vw, 92px);
  font-weight: 900;
  letter-spacing: clamp(-3px, -.5vw, -5px);
  line-height: .96;
}
.hero-subtitle {
  margin: 16px 0 0;
  color: var(--mint);
  font-size: clamp(17px, 2vw, 23px);
  font-weight: 800;
  line-height: 1.45;
}
.hero-lead { max-width: 520px; margin: 11px 0 0; color: var(--muted); font-size: 14.5px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 24px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 12px;
  padding: 0 26px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease;
}
.button-primary { background: var(--green-bright); color: #10231c; box-shadow: 0 12px 26px rgba(58, 168, 123, .22); }
.button-primary:hover { background: #4dc090; transform: translateY(-2px); }
.button-large { min-height: 52px; padding: 0 32px; font-size: 15px; }
.text-link { color: #a5b7b0; border-bottom: 1px dashed #48605a; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 4px; color: var(--green-bright); }

.line-list {
  display: grid;
  gap: 6px;
  padding: 22px 0 0;
  margin: auto 0 0;
  list-style: none;
  counter-reset: none;
}
.line-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-left: 3px solid #46605a;
  border-radius: 4px;
  background: rgba(38, 50, 48, .7);
}
.line-list b { flex: none; width: 46px; color: #8fa39c; font-size: 11px; font-weight: 800; letter-spacing: .6px; }
.line-list span { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; font-size: 13.5px; font-weight: 800; }
.line-list small { color: #7d918a; font-size: 11px; font-weight: 500; }
.line-list .is-now { border-left-color: var(--green-bright); background: rgba(31, 122, 90, .26); }
.line-list .is-now b, .line-list .is-now small { color: var(--mint); }

.hero-visual { position: relative; margin: 0; justify-self: center; width: min(100%, 276px); }
.poster-frame { padding: 8px; border: 1px solid var(--line); border-radius: 14px; background: #101614; }
.poster-frame img { width: 100%; height: auto; aspect-ratio: 460 / 1000; object-fit: cover; border-radius: 9px; }
.preview-bubble {
  position: absolute;
  max-width: 176px;
  margin: 0;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.5;
  box-shadow: 0 12px 24px rgba(0, 0, 0, .3);
}
.bubble-left { top: 22%; left: -30px; background: #f2fbf6; color: #22332d; }
.bubble-right { right: -26px; bottom: 22%; background: var(--green); color: #eafff5; border: 1px solid var(--green-bright); }

.branch-row {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 0 0 38px;
}
.branch-hint { color: #7d918a; font-size: 11px; font-weight: 800; letter-spacing: 2px; margin-right: 2px; }
.branch-item {
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(38, 50, 48, .8);
  color: #b6c8c1;
  font-size: 12px;
  font-weight: 700;
}
.branch-item.is-pick { border-color: var(--green-bright); background: var(--green); color: #eafff5; }

/* features: four across with top rule */
.features { padding: 68px 0 72px; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.section-heading { margin-bottom: 28px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(24px, 2.7vw, 33px); font-weight: 900; letter-spacing: -.6px; line-height: 1.32; }
.section-heading > p:last-child { max-width: 620px; margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(200px, 290px); 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: 0; border-top: 1px solid var(--line); }
.feature-card { padding: 20px 18px 6px 0; border-right: 1px solid var(--line); }
.feature-card:last-child { border-right: 0; padding-right: 0; }
.feature-no { display: block; margin-bottom: 8px; color: var(--green-bright); font-size: 11.5px; font-weight: 800; letter-spacing: 1.6px; }
.feature-card h3 { margin: 0 0 5px; font-size: 16.5px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* shots: four posters across */
.shots { padding: 68px 0 74px; }
.poster-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.poster-card { margin: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); overflow: hidden; }
.poster-card img { width: 100%; height: auto; aspect-ratio: 23 / 50; object-fit: cover; object-position: center 22%; }
.poster-card figcaption { padding: 10px 11px 12px; border-top: 1px solid var(--line); }
.poster-card figcaption b { display: block; margin-bottom: 2px; color: var(--green-bright); font-size: 10.5px; font-weight: 800; }
.poster-card figcaption span { display: flex; flex-direction: column; font-size: 13px; font-weight: 800; line-height: 1.4; }
.poster-card figcaption small { color: var(--muted); font-size: 11px; font-weight: 500; }

/* faq */
.faq { padding: 66px 0 72px; background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .76fr) minmax(0, 1.24fr); 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: 14px;
  padding: 15px 2px;
  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: 20px; height: 20px; border: 1px solid var(--line); border-radius: 4px; }
.faq-list summary i::before,
.faq-list summary i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 1.5px;
  content: "";
  background: var(--green-bright);
  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 15px 2px; margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.85; }

/* reviews: two columns, left bar */
.reviews { padding: 66px 0 72px; }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; }
.review-card { padding: 16px 18px; border: 1px solid var(--line); border-left: 3px solid var(--green); border-radius: 4px; background: var(--panel); }
.review-meta { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 4px; padding-bottom: 8px; margin-bottom: 8px; border-bottom: 1px dashed var(--line); }
.review-meta b { color: var(--mint); font-size: 13px; font-weight: 900; }
.review-meta time { color: #82968f; font-size: 10.5px; }
.review-card p { margin: 0; color: #c2d2cc; font-size: 13px; line-height: 1.8; }

/* steps: horizontal with arrows */
.steps { padding: 64px 0 70px; background: var(--bg-2); border-top: 1px solid var(--line); }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding: 0; margin: 0; list-style: none; }
.step-list li { position: relative; padding: 18px 20px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); }
.step-list li::after {
  position: absolute;
  top: 50%;
  right: -10px;
  z-index: 2;
  width: 9px;
  height: 9px;
  border-top: 1px solid var(--green-bright);
  border-right: 1px solid var(--green-bright);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}
.step-list li:last-child::after { display: none; }
.step-list span { display: block; margin-bottom: 6px; color: var(--green-bright); font-size: 12px; font-weight: 900; letter-spacing: 1.4px; }
.step-list h3 { margin: 0 0 4px; font-size: 16px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* download */
.download { padding: 24px 0; }
.download-inner {
  padding: 44px clamp(22px, 5vw, 54px) 38px;
  border: 1px solid rgba(58, 168, 123, .4);
  border-radius: 10px;
  background:
    radial-gradient(360px 220px at 92% -10%, rgba(58, 168, 123, .34), transparent 72%),
    linear-gradient(120deg, #23443a, #1b2e28);
  color: var(--ink);
}
.download .eyebrow { color: var(--mint); }
.download h2 { max-width: 620px; color: #f2fbf6; }
.download-inner > p { max-width: 520px; margin: 11px 0 22px; color: #a8bdb5; font-size: 14px; }
.download-notes { display: flex; flex-wrap: wrap; gap: 7px 20px; padding: 18px 0 0; margin: 24px 0 0; border-top: 1px solid rgba(185, 230, 211, .22); list-style: none; }
.download-notes li { color: #a8bdb5; font-size: 11.5px; }
.download-notes li::before { margin-right: 7px; color: var(--green-bright); content: "▸"; }

/* 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: 3px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 7px 20px; }
.footer-nav a { color: #a5b7b0; font-size: 12px; }
.footer-nav a:hover { color: var(--mint); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 7px 18px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); color: #82968f; font-size: 12px; }
.footer-meta p { margin: 0; }
.footer-meta a { color: #82968f; }
.disclaimer { grid-column: 1 / -1; margin: 0; color: #7d918a; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) 260px; gap: 24px; }
  .bubble-left { left: -14px; }
  .bubble-right { right: -12px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-card:nth-child(2) { border-right: 0; padding-right: 0; }
  .poster-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 6px 22px 14px;
    border-bottom: 1px solid var(--line);
    background: #1c2321;
    box-shadow: 0 14px 24px rgba(0, 0, 0, .5);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav a { padding: 11px 0; border-bottom: 1px solid var(--line); }
  .hero-grid { grid-template-columns: 1fr; padding: 40px 0 22px; }
  .hero-visual { justify-self: center; width: min(260px, 70%); margin-top: 8px; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
}
@media (max-width: 640px) {
  .page-shell, .nav-shell { width: calc(100% - 30px); }
  .hero h1 { font-size: clamp(44px, 14vw, 60px); }
  .hero-lead { font-size: 14px; }
  .line-list li { padding: 8px 10px; gap: 9px; }
  .line-list b { width: 40px; }
  .line-list span { font-size: 12.5px; gap: 5px; }
  .branch-row { padding-bottom: 30px; }
  .branch-item { padding: 6px 11px; font-size: 11.5px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { border-right: 0; border-bottom: 1px solid var(--line); padding: 16px 0; }
  .feature-card:last-child { border-bottom: 0; }
  .poster-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .review-list { grid-template-columns: 1fr; }
  .step-list { grid-template-columns: 1fr; }
  .step-list li::after { top: auto; bottom: -7px; right: 50%; transform: translateX(50%) rotate(135deg); }
  .section-heading-split { grid-template-columns: 1fr; gap: 8px; }
  .section-heading-split > p:last-child { margin: 0; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .brand { font-size: 17px; gap: 6px; }
  .brand img { width: 28px; height: 28px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 7px; }
  .nav-download { min-height: 33px; padding: 0 9px; font-size: 10.5px; gap: 4px; }
  .nav-download svg { width: 13px; height: 13px; }
  .menu-toggle { width: 33px; height: 33px; }
  .preview-bubble { max-width: 132px; font-size: 10.5px; padding: 6px 9px; }
  .bubble-left { left: -4px; }
  .bubble-right { right: -4px; }
  .button { width: 100%; }
}