@charset "UTF-8";

:root {
  --cream: #F7F4EA;
  --cream-2: #EFEADB;
  --white: #FFFDF8;
  --ink: #15211D;
  --muted: #6C7A73;
  --teal: #0E9C7E;
  --teal-deep: #0A6D58;
  --red: #DD4B38;
  --line: #D9D2C0;
  --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(--ink);
  background: var(--cream);
  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(--teal); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 14px; color: var(--teal-deep); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 2.4px; line-height: 1.4; }
.eyebrow::before { width: 8px; height: 8px; content: ""; background: var(--red); transform: rotate(45deg); }

/* header */
.site-header { position: sticky; top: 0; z-index: 60; border-bottom: 1px solid var(--line); background: rgba(247, 244, 234, .96); 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: 22px; font-weight: 900; letter-spacing: .4px; }
.brand img { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; 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: #5B6A62; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--teal); color: var(--ink); }
.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: 21px; background: var(--teal); color: #fff; font-size: 13px; font-weight: 900; white-space: nowrap; transition: background .18s ease; }
.nav-download:hover { background: var(--teal-deep); }
.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: 10px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 18px; 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(480px 300px at 92% 6%, rgba(14, 156, 126, .12), transparent 70%),
  linear-gradient(180deg, #FBF8F0, var(--cream) 74%); }
.hero::before { position: absolute; inset: 0; content: ""; background-image: radial-gradient(rgba(21, 33, 29, .13) 1px, transparent 1px); background-size: 22px 22px; opacity: .5; pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .92fr); align-items: center; gap: clamp(26px, 4.6vw, 64px); padding: 52px 0 60px; }
.hero-copy { min-width: 0; }
.channel-bar { display: flex; flex-wrap: wrap; gap: 4px 20px; padding: 0 0 18px; margin: 0 0 22px; border-bottom: 1px solid var(--line); list-style: none; }
.channel-bar li { color: #7A877F; font-size: 13px; font-weight: 700; }
.channel-bar li.is-on { position: relative; color: var(--ink); }
.channel-bar li.is-on::after { position: absolute; bottom: -19px; left: 0; right: 0; height: 2px; content: ""; background: var(--teal); }
.hero h1 { margin: 0; font-size: clamp(56px, 8vw, 100px); font-weight: 900; letter-spacing: clamp(-1px, -.34vw, -3.4px); line-height: .96; }
.hero-subtitle { margin: 16px 0 0; color: var(--teal-deep); 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 28px; border-radius: 26px; font-size: 14px; font-weight: 900; transition: transform .18s ease, background .18s ease; }
.button-primary { background: var(--teal); color: #fff; box-shadow: 0 12px 0 #0A6D58; }
.button-primary:hover { transform: translateY(-2px); background: var(--teal-deep); box-shadow: 0 14px 0 #084F40; }
.button-large { min-height: 54px; padding: 0 36px; font-size: 15px; }
.text-link { color: var(--teal-deep); border-bottom: 1px dashed #A9C4B8; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--red); }
.hero-facts { display: flex; flex-wrap: wrap; gap: 0; padding: 0; margin: 32px 0 0; border-top: 1px solid var(--line); }
.hero-facts div { padding: 14px 26px 0 0; }
.hero-facts div + div { padding-left: 26px; border-left: 1px solid var(--line); }
.hero-facts dt { color: var(--ink); font-size: 14px; font-weight: 900; }
.hero-facts dd { margin: 2px 0 0; color: var(--muted); font-size: 11.5px; }

.poster-stack { position: relative; min-width: 0; min-height: 420px; }
.poster-card { position: absolute; display: flex; flex-direction: column; justify-content: flex-end; width: min(62%, 250px); min-height: 320px; padding: 18px 16px 20px; border: 1px solid #C9C0AA; border-radius: 12px; background: linear-gradient(165deg, #26372F, #13211B 82%); color: #F5F2E8; box-shadow: 0 18px 34px rgba(21, 33, 29, .22); }
.poster-card::before { position: absolute; inset: 10px 10px auto; height: 42%; content: ""; border-radius: 7px; background: repeating-linear-gradient(135deg, rgba(255, 255, 255, .07) 0 8px, transparent 8px 16px); }
.poster-a { top: 12px; left: 2%; transform: rotate(-5deg); z-index: 1; }
.poster-b { top: 44px; left: 27%; transform: rotate(2deg); z-index: 3; background: linear-gradient(165deg, #0E9C7E, #085D4B 86%); }
.poster-c { top: 88px; right: 0; transform: rotate(7deg); z-index: 2; background: linear-gradient(165deg, #3C2B2A, #1E1413 84%); }
.poster-score { position: absolute; top: 14px; right: 14px; padding: 2px 8px; border-radius: 4px; background: #F4B740; color: #2A2010; font-family: var(--mono); font-size: 12px; font-weight: 700; }
.poster-card b { position: relative; font-size: 17px; font-weight: 900; line-height: 1.4; }
.poster-card small { position: relative; margin-top: 4px; color: #C7D2C9; font-size: 11px; }
.poster-card i { position: absolute; top: 14px; left: 14px; padding: 2px 7px; border-radius: 3px; background: var(--red); color: #fff; font-size: 9px; font-style: normal; font-weight: 900; letter-spacing: 1px; }
.poster-note { position: absolute; bottom: 0; left: 2%; margin: 0; color: #7C887F; font-size: 11.5px; }

/* features: 2x2 archive cards */
.features { padding: 70px 0 76px; border-bottom: 1px solid var(--line); background: var(--cream-2); }
.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-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.feature-card { position: relative; padding: 22px 22px 20px; border: 1px dashed #B9B09A; border-radius: 10px; background: var(--white); min-width: 0; }
.feature-card:nth-child(2), .feature-card:nth-child(3) { border-style: solid; }
.feature-no { display: inline-block; padding: 1px 7px; margin-bottom: 10px; border: 1px solid var(--teal); border-radius: 3px; color: var(--teal-deep); font-family: var(--mono); font-size: 10px; font-weight: 700; }
.feature-card h3 { margin: 0 0 7px; font-size: 17px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* shots: 2x2 tilted frames */
.shots { padding: 72px 0 84px; }
.shot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.shot-card { position: relative; margin: 0; padding: 10px 10px 0; border: 1px solid var(--line); border-radius: 10px; background: var(--white); transform: rotate(-.8deg); }
.shot-card:nth-child(3) { transform: rotate(.8deg); }
.shot-card img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 14%; border-radius: 5px; }
.shot-card:nth-child(2) img { object-position: center 46%; }
.shot-card figcaption { display: flex; align-items: center; gap: 10px; padding: 12px 6px; }
.shot-card figcaption span { color: var(--red); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption b { font-size: 13.5px; font-weight: 900; }
.shot-card figcaption small { margin-left: auto; color: var(--muted); font-size: 11px; text-align: right; }

/* faq: 2 x 3 with top rule only */
.faq { padding: 70px 0 78px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--cream-2); }
.faq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 30px; }
.faq-grid details { border-top: 1px solid var(--line); min-width: 0; }
.faq-grid summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 16px 2px; cursor: pointer; list-style: none; }
.faq-grid summary::-webkit-details-marker { display: none; }
.faq-grid summary h3 { margin: 0; font-size: 14.5px; font-weight: 900; }
.faq-grid summary i { position: relative; flex: none; width: 18px; height: 18px; }
.faq-grid summary i::before, .faq-grid summary i::after { position: absolute; top: 50%; left: 50%; width: 10px; height: 1.5px; content: ""; background: var(--teal); transform: translate(-50%, -50%); }
.faq-grid summary i::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .2s ease; }
.faq-grid details[open] summary i::after { transform: translate(-50%, -50%) rotate(0); }
.faq-grid details p { padding: 0 2px 16px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

/* reviews: rows with big quote */
.reviews { padding: 72px 0 80px; }
.review-list { padding: 0; margin: 0; border-top: 1px solid var(--line); list-style: none; }
.review-card { display: grid; grid-template-columns: 46px minmax(0, 1fr); align-items: start; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.review-card::before { content: "“"; color: var(--teal); font-family: Georgia, serif; font-size: 44px; line-height: .9; }
.review-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 5px; }
.review-meta b { color: var(--ink); font-size: 13px; font-weight: 900; }
.review-meta time { color: #93998F; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: #4F5D56; font-size: 13px; line-height: 1.8; }

/* steps: 3 columns, ghost numbers */
.steps { padding: 68px 0 74px; border-top: 1px solid var(--line); background: var(--cream-2); }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding: 0; margin: 26px 0 0; list-style: none; counter-reset: step; }
.step-list li { position: relative; padding: 24px 20px 20px; border-top: 3px solid var(--teal); background: var(--white); min-width: 0; }
.step-list span { position: absolute; top: 8px; right: 14px; color: #E4DECD; font-family: var(--mono); font-size: 38px; font-weight: 700; line-height: 1; }
.step-list h3 { position: relative; margin: 0 0 6px; font-size: 16px; font-weight: 900; }
.step-list p { position: relative; 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; padding: 46px clamp(22px, 5vw, 56px) 40px; border: 2px dashed #9FC0B2; border-radius: 18px; background: var(--cream-2); text-align: center; }
.download-inner::before { position: absolute; top: -11px; left: 50%; padding: 0 14px; content: "荐片 · 档案"; background: var(--cream); color: var(--teal-deep); font-family: var(--mono); font-size: 10px; letter-spacing: 2px; transform: translateX(-50%); }
.download h2 { 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 { max-width: 520px; margin: 12px 0 22px; color: var(--muted); font-size: 14px; }
.download-notes { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; padding: 18px 0 0; margin: 24px 0 0; border-top: 1px dashed #B9B09A; list-style: none; }
.download-notes li { color: #6E7B73; font-family: var(--mono); font-size: 11px; }
.download-notes li::before { margin-right: 7px; content: "·"; color: var(--teal); }

/* 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: #5B6A62; font-size: 12px; }
.footer-nav a:hover { color: var(--teal); }
.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: #93998F; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero h1 { font-size: clamp(48px, 6.4vw, 72px); }
  .poster-stack { min-height: 380px; }
  .poster-card { min-height: 280px; }
}
@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(--cream); box-shadow: 0 18px 28px rgba(21, 33, 29, .16); }
  .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: 40px 0 52px; }
  .hero-copy { order: 1; }
  .poster-stack { order: 2; min-height: 360px; margin-top: 8px; }
  .poster-card { width: min(56%, 230px); }
  .poster-note { position: static; margin-top: 8px; }
}
@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; gap: 0; }
  .step-list { grid-template-columns: 1fr; gap: 12px; }
  .section-heading-split { grid-template-columns: 1fr; gap: 10px; }
  .section-heading-split > p:last-child { margin: 0; }
  .shot-grid { grid-template-columns: 1fr; gap: 16px; }
  .shot-card img { aspect-ratio: 3 / 4; }
}
@media (max-width: 560px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(42px, 12vw, 60px); }
  .hero-lead { font-size: 14px; }
  .brand { font-size: 17px; 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-facts div { padding-right: 16px; }
  .hero-facts div + div { padding-left: 16px; }
  .poster-stack { min-height: 330px; }
  .poster-card { min-height: 250px; width: 62%; padding: 14px 12px 16px; }
  .poster-card b { font-size: 15px; }
  .poster-a { left: 0; }
  .poster-b { left: 20%; }
  .review-card { grid-template-columns: 30px minmax(0, 1fr); gap: 10px; }
  .download-inner { padding: 38px 20px 32px; }
  .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}