@charset "UTF-8";

:root {
  --black: #0D100F;
  --panel: #161B19;
  --panel-2: #1D2421;
  --white: #F6F8F2;
  --muted: #9BA79E;
  --lime: #B8E62E;
  --lime-deep: #8FBB12;
  --line: #2A322E;
  --shell: 1160px;
  --header-height: 70px;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 18px); }
body {
  min-width: 320px;
  margin: 0;
  color: var(--white);
  background: var(--black);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}
img { display: block; max-width: 100%; height: auto; }
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(--lime); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 14px; color: var(--lime); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 2.4px; line-height: 1.4; }
.eyebrow::before { width: 22px; height: 2px; content: ""; background: var(--lime); }

/* header */
.site-header { position: sticky; top: 0; z-index: 60; border-bottom: 1px solid var(--line); background: rgba(13, 16, 15, .94); 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: 20px; }
.brand { display: inline-flex; align-items: center; flex: none; gap: 10px; font-size: 20px; font-weight: 900; }
.brand img { width: 40px; height: 40px; border-radius: 11px; object-fit: contain; background: #fff; }
.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: #A8B4AB; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--lime); color: var(--white); }
.nav-actions { display: flex; align-items: center; flex: none; gap: 10px; }
.nav-download { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; gap: 8px; padding: 0 16px; border-radius: 6px; background: var(--lime); color: #16200A; font-size: 13px; font-weight: 900; white-space: nowrap; transition: background .18s ease; }
.nav-download:hover { background: var(--lime-deep); color: #fff; }
.nav-download svg, .button svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--white); 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(560px 320px at 88% 12%, rgba(184, 230, 46, .16), transparent 66%),
  linear-gradient(180deg, #101512, #0D100F 76%); }
.hero::before { position: absolute; inset: 0; content: ""; background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 42px); pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); align-items: center; gap: clamp(26px, 4.4vw, 60px); padding: 58px 0 62px; }
.hero-copy { min-width: 0; }
.hero-kicker { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 16px; color: #9FAA9F; font-family: var(--mono); font-size: 11px; letter-spacing: 1.5px; }
.hero-kicker b { padding: 3px 8px; border: 1px solid var(--lime); border-radius: 4px; color: var(--lime); font-size: 9.5px; font-weight: 900; letter-spacing: 1.2px; }
.hero h1 { margin: 0; font-size: clamp(50px, 7.4vw, 92px); font-weight: 900; letter-spacing: clamp(-1px, -.32vw, -3.2px); line-height: .98; color: var(--white); }
.hero h1 em { color: var(--lime); font-style: normal; }
.hero-subtitle { margin: 16px 0 0; color: var(--lime); font-size: clamp(17px, 2vw, 23px); font-weight: 800; line-height: 1.45; }
.hero-lead { max-width: 520px; margin: 14px 0 0; color: var(--muted); font-size: 14.5px; }
.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: 50px; gap: 14px; padding: 0 26px; border-radius: 6px; font-size: 14px; font-weight: 900; transition: transform .18s ease, background .18s ease; }
.button-primary { background: var(--lime); color: #16200A; box-shadow: 0 12px 26px rgba(184, 230, 46, .2); }
.button-primary:hover { background: var(--lime-deep); color: #fff; transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 36px; font-size: 15px; }
.text-link { color: #C9D6C8; border-bottom: 1px dashed #4A574E; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--lime); }
.hero-badges { display: flex; flex-wrap: wrap; gap: 0; padding: 0; margin: 32px 0 0; border-top: 1px solid var(--line); list-style: none; }
.hero-badges li { padding: 16px 24px 0 0; min-width: 0; }
.hero-badges li + li { padding-left: 24px; border-left: 1px solid var(--line); }
.hero-badges b { display: block; color: var(--lime); font-family: var(--mono); font-size: 19px; line-height: 1.2; }
.hero-badges span { color: var(--muted); font-size: 11.5px; }

.player-panel { min-width: 0; padding: 16px; border: 1px solid #333C36; border-radius: 14px; background: var(--panel); box-shadow: 0 30px 60px rgba(0, 0, 0, .5); }
.player-screen { position: relative; padding: 18px 18px 14px; border-radius: 9px; background: linear-gradient(140deg, #202723, #0A0C0B 74%); border: 1px solid #2F3832; }
.player-live { display: inline-block; padding: 2px 9px; border-radius: 3px; background: rgba(184, 230, 46, .14); color: var(--lime); font-size: 10px; font-weight: 700; font-family: var(--mono); }
.player-title { margin: 24px 0 22px; font-size: 21px; font-weight: 900; letter-spacing: .6px; }
.player-bar { height: 3px; border-radius: 2px; background: #39433C; }
.player-bar i { display: block; width: 46%; height: 100%; border-radius: 2px; background: var(--lime); }
.player-time { display: flex; justify-content: space-between; margin-top: 7px; color: #84917F; font-family: var(--mono); font-size: 10px; }
.player-route { margin: 14px 0 8px; color: #A9B5A6; font-size: 12px; font-weight: 900; }
.route-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; padding: 0; margin: 0; list-style: none; }
.route-list li { display: flex; flex-direction: column; gap: 2px; padding: 9px 10px; border: 1px solid #313B34; border-radius: 7px; background: #1B211E; min-width: 0; }
.route-list b { font-size: 12.5px; font-weight: 900; }
.route-list small { color: #7F8C80; font-size: 10px; }
.route-list i { align-self: flex-start; margin-top: 3px; padding: 1px 5px; border-radius: 2px; background: var(--lime); color: #16200A; font-family: var(--mono); font-size: 9px; font-style: normal; font-weight: 700; }
.route-list li.is-on { border-color: var(--lime); background: #232D1A; }
.route-list li.is-on b { color: var(--lime); }
.ep-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-top: 12px; }
.ep-grid b, .ep-grid span { padding: 8px 4px; border-radius: 5px; background: #1B211E; color: #93A08F; font-size: 11px; font-weight: 500; text-align: center; }
.ep-grid b { background: var(--lime); color: #16200A; font-weight: 900; }

/* features: rows */
.features { padding: 70px 0 74px; border-bottom: 1px solid var(--line); background: var(--panel); }
.section-heading { margin-bottom: 30px; }
.section-heading h2 { margin: 0; font-size: clamp(23px, 2.6vw, 33px); font-weight: 900; letter-spacing: -.5px; line-height: 1.35; }
.section-heading > p:last-child { max-width: 620px; margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(200px, 300px); align-items: end; gap: 24px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.feature-table { border-top: 1px solid var(--line); }
.feature-row { display: grid; grid-template-columns: 86px minmax(0, 1fr) auto; align-items: center; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.feature-row > span { color: #39433B; font-family: var(--mono); font-size: 26px; font-weight: 700; line-height: 1; }
.feature-row h3 { margin: 0 0 4px; font-size: 17px; font-weight: 900; }
.feature-row p { margin: 0; color: var(--muted); font-size: 13px; }
.feature-row::after { content: "↗"; color: var(--lime); font-size: 18px; }

/* shots: 2x2 large */
.shots { padding: 70px 0 80px; }
.shot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.shot-card { margin: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); overflow: hidden; }
.shot-card img { width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; object-position: center 12%; transition: transform .3s ease; }
.shot-card:nth-child(2) img { object-position: center 50%; }
.shot-card:hover img { transform: scale(1.02); }
.shot-card figcaption { display: flex; align-items: baseline; gap: 10px; padding: 12px 16px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--lime); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption span { display: flex; flex-direction: column; font-size: 13.5px; font-weight: 900; line-height: 1.45; min-width: 0; }
.shot-card figcaption small { color: var(--muted); font-size: 11px; font-weight: 500; }

/* faq */
.faq { padding: 70px 0 78px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--panel); }
.faq-list { display: grid; gap: 10px; }
.faq-list details { border: 1px solid var(--line); border-radius: 9px; background: var(--panel-2); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 18px; 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-radius: 4px; background: rgba(184, 230, 46, .14); }
.faq-list summary i::before, .faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 9px; height: 1.5px; content: ""; background: var(--lime); 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 18px 16px; margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.85; }

/* reviews: 3 columns dark cards */
.reviews { padding: 70px 0 80px; }
.review-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; }
.review-card { padding: 18px; border: 1px solid var(--line); border-top: 2px solid var(--lime); border-radius: 8px; background: var(--panel); min-width: 0; }
.review-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.review-meta b { color: var(--lime); font-size: 13px; font-weight: 900; }
.review-meta time { color: #6E7A70; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: #B9C4B8; font-size: 12.8px; line-height: 1.8; }

/* steps: alternating rows */
.steps { padding: 68px 0 74px; border-top: 1px solid var(--line); background: var(--panel); }
.step-list { display: grid; gap: 0; padding: 0; margin: 26px 0 0; border-top: 1px solid var(--line); list-style: none; }
.step-list li { display: grid; grid-template-columns: 92px minmax(0, 1fr); align-items: center; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.step-list li:nth-child(even) { grid-template-columns: minmax(0, 1fr) 92px; }
.step-list li:nth-child(even) > span { order: 2; text-align: right; }
.step-list li:nth-child(even) > div { order: 1; }
.step-list span { color: transparent; font-family: var(--mono); font-size: 46px; font-weight: 700; line-height: 1; -webkit-text-stroke: 1px #4B574E; }
.step-list h3 { margin: 0 0 4px; font-size: 16px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.8px; }

/* download */
.download { padding: 26px 0 30px; }
.download-inner { position: relative; display: flex; flex-direction: column; align-items: center; overflow: hidden; padding: 46px clamp(22px, 5vw, 56px) 40px; border: 1px solid #353F37; border-radius: 16px; background:
  repeating-linear-gradient(115deg, rgba(184, 230, 46, .07) 0 2px, transparent 2px 22px),
  linear-gradient(150deg, #1C231E, #0F1310 80%); text-align: center; }
.download-inner::before { position: absolute; top: -80px; right: -60px; width: 240px; height: 240px; border-radius: 50%; content: ""; background: radial-gradient(circle, rgba(184, 230, 46, .2), transparent 68%); }
.download .eyebrow { position: relative; z-index: 1; }
.download h2 { position: relative; z-index: 1; max-width: 620px; margin: 0; font-size: clamp(23px, 2.6vw, 33px); font-weight: 900; letter-spacing: -.5px; line-height: 1.35; }
.download-inner > p { position: relative; z-index: 1; max-width: 520px; margin: 12px 0 22px; color: var(--muted); font-size: 14px; }
.download .button-primary { position: relative; z-index: 1; }
.download-notes { position: relative; z-index: 1; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; padding: 18px 0 0; margin: 24px 0 0; border-top: 1px solid var(--line); list-style: none; }
.download-notes li { color: #93A08F; font-family: var(--mono); font-size: 11px; }
.download-notes li::before { margin-right: 7px; content: "▸"; color: var(--lime); }

/* 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: 18px 40px; align-items: start; }
.footer-brand strong { font-size: 18px; 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 22px; }
.footer-nav a { color: #A8B4AB; font-size: 12px; }
.footer-nav a:hover { color: var(--lime); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; 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: #6E7A70; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero h1 { font-size: clamp(44px, 6vw, 66px); }
  .review-list { 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: 8px 24px 16px; border-bottom: 1px solid var(--line); background: #111513; box-shadow: 0 18px 28px 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: 12px 0; border-bottom: 1px solid var(--line); }
  .hero-grid { grid-template-columns: 1fr; padding: 42px 0 50px; }
  .hero-copy { order: 1; }
  .player-panel { order: 2; }
  .feature-row { grid-template-columns: 62px minmax(0, 1fr); }
  .feature-row::after { display: none; }
}
@media (max-width: 768px) {
  .shot-grid { grid-template-columns: 1fr; }
  .shot-card img { aspect-ratio: 4 / 3; object-position: center 8%; }
  .review-list { grid-template-columns: 1fr; }
  .section-heading-split { grid-template-columns: 1fr; gap: 10px; }
  .section-heading-split > p:last-child { margin: 0; }
  .step-list li, .step-list li:nth-child(even) { grid-template-columns: 64px minmax(0, 1fr); gap: 14px; }
  .step-list li:nth-child(even) > span { order: 1; text-align: left; }
  .step-list li:nth-child(even) > div { order: 2; }
  .step-list span { font-size: 34px; }
}
@media (max-width: 560px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(38px, 11.6vw, 56px); }
  .hero-lead { font-size: 14px; }
  .brand { font-size: 16px; gap: 7px; }
  .brand img { width: 32px; height: 32px; }
  .nav-actions { gap: 8px; }
  .nav-download { min-height: 36px; padding: 0 10px; font-size: 11.5px; gap: 5px; }
  .nav-download svg { width: 14px; height: 14px; }
  .menu-toggle { width: 36px; height: 36px; }
  .hero-badges li { padding-right: 16px; }
  .hero-badges li + li { padding-left: 16px; }
  .player-panel { padding: 12px; }
  .route-list { grid-template-columns: 1fr; }
  .ep-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .download-inner { padding: 38px 20px 32px; }
  .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}