:root {
  --ink: #29162d;
  --muted: #746574;
  --green: #f43f78;
  --green-dark: #c81757;
  --green-deep: #501a50;
  --leaf-50: #fff8fb;
  --leaf-100: #ffeaf2;
  --line: #f2d9e3;
  --yellow: #ffb545;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fffbfd; font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; letter-spacing: 0; }
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { width: min(calc(100% - 32px), 1020px); height: 62px; padding: 0 12px 0 18px; display: flex; align-items: center; justify-content: space-between; gap: 28px; background: rgba(255,252,253,.94); border: 1px solid rgba(200,23,87,.16); border-radius: 8px; position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 20; box-shadow: 0 14px 40px rgba(91,38,67,.12); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 800; white-space: nowrap; }
.brand b { color: var(--green); }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--green); color: #fff; border-radius: 7px; font: 800 21px/1 Arial, sans-serif; box-shadow: 0 7px 18px rgba(244,63,120,.22); }
nav { display: flex; gap: 34px; margin-left: auto; }
nav a { color: #5c4b5e; font-size: 14px; font-weight: 600; }
nav a:hover { color: var(--green-dark); }
.header-cta, .primary-cta { display: inline-flex; align-items: center; justify-content: center; gap: 10px; color: #fff; background: var(--green); font-weight: 700; border-radius: 7px; box-shadow: 0 10px 24px rgba(218,29,91,.24); transition: transform .2s ease, background .2s ease; }
.header-cta { min-height: 42px; padding: 0 18px; font-size: 14px; }
.header-cta:hover, .primary-cta:hover { background: var(--green-dark); transform: translateY(-2px); }

.hero { max-width: var(--max); margin: 0 auto; padding: 132px 24px 86px; text-align: center; }
.hero-copy { max-width: 820px; margin: 0 auto 42px; }
.hero h1 { margin: 0; font-size: clamp(42px, 5.2vw, 68px); line-height: 1.12; letter-spacing: 0; }
.hero-copy > p:not(.hero-note) { max-width: 690px; margin: 22px auto 0; color: var(--muted); font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 22px; margin-top: 28px; }
.primary-cta { min-height: 54px; padding: 0 28px; font-size: 17px; }
.text-link { color: var(--green-dark); font-weight: 700; border-bottom: 1px solid var(--line); padding: 9px 0; }
.hero-note { margin: 15px 0 0; color: var(--muted); font-size: 13px; }
.hero-note span { color: var(--green); }
.hero-media { width: min(100%, 900px); aspect-ratio: 16/9; margin: 0 auto; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--leaf-100); box-shadow: 0 22px 60px rgba(91,38,67,.14); }
.hero-media img { height: 100%; object-fit: cover; }

.trust-strip { max-width: var(--max); margin: 0 auto; min-height: 108px; padding: 20px 0; display: grid; grid-template-columns: repeat(4,1fr); border-bottom: 1px solid var(--line); }
.trust-strip p { margin: 0; padding: 5px 30px; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--line); }
.trust-strip p:last-child { border-right: 0; }
.trust-strip strong { font-size: 17px; color: var(--green-deep); }
.trust-strip span { margin-top: 5px; color: var(--muted); font-size: 13px; }

.section { max-width: var(--max); margin: 0 auto; padding: 108px 24px; }
.section-heading { max-width: 760px; margin-bottom: 46px; }
.section-heading.centered { text-align: center; margin-left: auto; margin-right: auto; }
.eyebrow { display: block; margin-bottom: 13px; color: var(--green-dark); font: 800 12px/1.2 Arial, sans-serif; letter-spacing: 0; }
h2 { margin: 0; font-size: clamp(32px, 4vw, 50px); line-height: 1.16; letter-spacing: 0; }
.section-heading p, .feature-copy > p { margin: 18px 0 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.wide-media, .feature-media { margin: 0; overflow: hidden; border-radius: 8px; background: var(--leaf-100); box-shadow: 0 20px 55px rgba(91,38,67,.12); }
.wide-media { width: min(100%, 960px); aspect-ratio: 16/9; margin-left: auto; margin-right: auto; }
.wide-media img, .feature-media img { height: 100%; object-fit: cover; }
.steps { list-style: none; padding: 34px 0 0; margin: 0; display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); }
.steps li { display: flex; gap: 17px; padding: 24px 28px; background: #fff; }
.steps li > span { flex: 0 0 auto; color: var(--green); font: 800 18px/1.4 Arial, sans-serif; }
.steps strong { font-size: 17px; }
.steps p { margin: 6px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

.feature-stack { padding-top: 52px; }
.feature-row { display: grid; grid-template-columns: .78fr 1.22fr; gap: 72px; align-items: center; padding: 74px 0; border-top: 1px solid var(--line); }
.feature-row.reverse { grid-template-columns: 1.22fr .78fr; }
.feature-row.reverse .feature-copy { order: 2; }
.feature-row.reverse .feature-media { order: 1; }
.feature-copy h2 { font-size: clamp(30px, 3.5vw, 46px); }
.feature-media { aspect-ratio: 16/9; }
.check-list { margin: 24px 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.check-list li { color: #574759; font-size: 15px; }
.check-list li::before { content: "✓"; color: var(--green); font-weight: 800; margin-right: 10px; }
.inline-cta { display: inline-flex; gap: 8px; margin-top: 8px; color: var(--green-dark); font-weight: 800; border-bottom: 1px solid #f2adc4; padding-bottom: 5px; }
.mini-stats { display: grid; gap: 1px; margin-top: 26px; background: var(--line); border: 1px solid var(--line); }
.mini-stats span { display: flex; justify-content: space-between; gap: 12px; padding: 13px 15px; background: var(--leaf-50); color: var(--muted); font-size: 13px; }
.mini-stats b { color: var(--green-deep); }

.template-band { padding: 100px max(24px, calc((100vw - var(--max)) / 2)); background: var(--green-deep); color: #fff; }
.template-band .section-heading { max-width: 820px; }
.section-heading.light p { color: #ead4e8; }
.section-heading.light .eyebrow { color: #ff9cbc; }
.template-band .wide-media { box-shadow: 0 24px 68px rgba(25,5,28,.4); }

.customization { padding-top: 116px; padding-bottom: 116px; }
.custom-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 74px; align-items: center; }
.tag-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.tag-list span { padding: 9px 14px; background: var(--leaf-100); color: var(--green-dark); border-radius: 5px; font-size: 13px; font-weight: 700; }

.scenes { border-top: 1px solid var(--line); }
.scene-list { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; margin-top: 38px; border: 1px solid var(--line); }
.scene-list article { padding: 28px 24px; border-right: 1px solid var(--line); }
.scene-list article:last-child { border-right: 0; }
.scene-list span { color: var(--green); font: 800 13px/1 Arial, sans-serif; }
.scene-list h3 { margin: 15px 0 9px; font-size: 19px; }
.scene-list p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.closing-cta { position: relative; width: min(calc(100% - 48px), 960px); aspect-ratio: 16/9; margin: 20px auto 100px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--leaf-100); box-shadow: 0 22px 60px rgba(91,38,67,.13); }
.closing-cta img { height: 100%; object-fit: cover; }
.closing-actions { position: absolute; left: 50%; bottom: 8%; transform: translateX(-50%); }
.closing-actions .primary-cta { min-width: 220px; }

footer { min-height: 190px; padding: 46px max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px 30px; background: #241226; color: #fff; }
footer > p { margin: 0; color: #cdbdce; font-size: 14px; text-align: right; }
.footer-brand { grid-row: span 2; }
.copyright { font-size: 12px; }

@media (max-width: 900px) {
  nav { display: none; }
  .hero { padding-top: 112px; }
  .trust-strip { grid-template-columns: repeat(2,1fr); padding-left: 18px; padding-right: 18px; }
  .trust-strip p:nth-child(2) { border-right: 0; }
  .trust-strip p:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .feature-row, .feature-row.reverse, .custom-grid { grid-template-columns: 1fr; gap: 35px; }
  .feature-row.reverse .feature-copy, .feature-row.reverse .feature-media { order: initial; }
  .feature-row .feature-copy { max-width: 720px; }
  .scene-list { grid-template-columns: repeat(2,1fr); }
  .scene-list article:nth-child(2) { border-right: 0; }
  .scene-list article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 600px) {
  .site-header { width: calc(100% - 20px); height: 56px; top: 10px; padding: 0 8px 0 12px; gap: 12px; }
  .brand { font-size: 17px; }
  .brand-mark { width: 30px; height: 30px; font-size: 18px; }
  .header-cta { min-height: 38px; padding: 0 12px; font-size: 12px; }
  .header-cta span { display: none; }
  .hero { padding: 96px 18px 64px; }
  .hero-copy { margin-bottom: 30px; }
  .hero h1 { font-size: 34px; line-height: 1.18; }
  .hero-copy > p:not(.hero-note) { margin-top: 16px; font-size: 15px; line-height: 1.7; }
  .hero-actions { width: 100%; flex-direction: column; gap: 6px; }
  .primary-cta { min-height: 50px; width: min(100%, 330px); }
  .hero-note { margin-top: 12px; }
  .trust-strip p { padding: 16px 12px; }
  .trust-strip strong { font-size: 15px; }
  .section { padding: 76px 18px; }
  .section-heading { margin-bottom: 30px; }
  h2, .feature-copy h2 { font-size: 30px; }
  .section-heading p, .feature-copy > p { font-size: 15px; line-height: 1.75; }
  .wide-media, .feature-media { border-radius: 5px; }
  .steps { grid-template-columns: 1fr; padding-top: 18px; }
  .steps li { padding: 18px; }
  .feature-stack { padding-top: 18px; }
  .feature-row { padding: 58px 0; }
  .template-band { padding: 76px 18px; }
  .customization { padding-top: 76px; padding-bottom: 76px; }
  .scene-list { grid-template-columns: 1fr; }
  .scene-list article { border-right: 0; border-bottom: 1px solid var(--line); }
  .scene-list article:last-child { border-bottom: 0; }
  .closing-cta { width: calc(100% - 36px); margin: 0 auto 72px; }
  .closing-actions { bottom: 5%; width: calc(100% - 36px); display: flex; justify-content: center; }
  footer { grid-template-columns: 1fr; min-height: 220px; text-align: left; }
  footer > p { text-align: left; }
  .footer-brand { grid-row: auto; }
}

@media (prefers-reduced-motion: no-preference) {
  .reveal { animation: rise linear both; animation-timeline: view(); animation-range: entry 5% cover 30%; }
  @keyframes rise { from { opacity: .25; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
}