:root {
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: #252623;
  background: #f4efe7;
  --ink: #252623;
  --paper: #f4efe7;
  --cream: #fcfaf6;
  --accent: #b85f47;
  --green: #36584b;
  --line: rgba(37, 38, 35, .14);
  -webkit-text-size-adjust: 100%;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  background:
    radial-gradient(circle at 8% 7%, rgba(222, 188, 148, .26), transparent 30%),
    linear-gradient(180deg, #f7f2ea 0%, var(--paper) 100%);
}

a { color: inherit; }

.home-header {
  display: flex;
  width: min(1400px, calc(100% - 72px));
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
}

.home-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .08em;
  text-decoration: none;
}

.home-brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
}

.home-nav { display: flex; align-items: center; gap: 28px; }
.home-nav a { color: #6e6d67; font-size: 13px; font-weight: 700; text-decoration: none; }
.home-nav a:hover { color: var(--ink); }
.home-nav .nav-album { padding: 11px 17px; border-radius: 999px; background: var(--ink); color: #fff; }

.home-hero {
  display: grid;
  width: min(1400px, calc(100% - 72px));
  min-height: calc(100svh - 92px);
  grid-template-columns: minmax(0, .9fr) minmax(440px, 1.1fr);
  align-items: center;
  gap: clamp(48px, 7vw, 110px);
  margin: 0 auto;
  padding: 70px 0 86px;
}

.hero-copy { max-width: 650px; }
.hero-eyebrow, .section-number { margin: 0 0 23px; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .24em; }
.hero-copy h1 { max-width: 11em; margin: 0; font-family: Georgia, "Songti SC", serif; font-size: clamp(48px, 6vw, 88px); font-weight: 500; line-height: 1.08; letter-spacing: -.035em; }
.hero-subtitle { margin: 28px 0 0; color: var(--green); font-size: clamp(18px, 2vw, 25px); font-weight: 700; }
.hero-description { max-width: 540px; margin: 18px 0 0; color: #74736d; font-size: 15px; line-height: 1.9; white-space: pre-line; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-actions a { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 20px; padding: 0 24px; border-radius: 999px; font-size: 14px; font-weight: 800; text-decoration: none; }
.primary-home-button { background: var(--ink); color: #fff; }
.primary-home-button:hover { background: #000; }
.secondary-home-button { border: 1px solid var(--line); color: #66655f; }
.secondary-home-button:hover { border-color: var(--ink); color: var(--ink); }

.hero-visual {
  position: relative;
  min-height: min(72vh, 720px);
  overflow: hidden;
  border-radius: 220px 220px 20px 20px;
  background: #d7cabc;
  box-shadow: 0 35px 80px rgba(59, 45, 30, .13);
}
.hero-visual img { width: 100%; height: 100%; min-height: inherit; object-fit: cover; }
.visual-placeholder { position: absolute; inset: 0; display: grid; place-content: center; gap: 14px; background: linear-gradient(145deg, #dccab2, #bda994); color: rgba(255,255,255,.9); text-align: center; }
.placeholder-mark { font-family: Georgia, "Songti SC", serif; font-size: clamp(92px, 16vw, 210px); line-height: .85; }
.visual-overlay, .about-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; gap: 8px; padding: 26px; color: #fff; pointer-events: none; text-shadow: 0 1px 5px rgba(0,0,0,.32); background: linear-gradient(180deg, transparent 52%, rgba(18, 23, 20, .3)); }
.visual-overlay > span:first-child, .about-overlay small { font-size: 10px; font-weight: 800; letter-spacing: .28em; }
.visual-overlay > span:last-child { align-self: flex-end; font-size: 10px; font-weight: 800; letter-spacing: .2em; }

.home-about {
  display: grid;
  width: min(1400px, calc(100% - 72px));
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr);
  align-items: center;
  gap: clamp(50px, 9vw, 140px);
  margin: 0 auto;
  padding: 120px 0;
  border-top: 1px solid var(--line);
}
.about-image { position: relative; min-height: 520px; overflow: hidden; border-radius: 18px; background: #cad3cd; }
.about-image img { width: 100%; height: 100%; min-height: inherit; object-fit: cover; }
.about-placeholder { position: absolute; inset: 0; display: grid; place-content: center; background: linear-gradient(135deg, #8ca497, #36584b); color: rgba(255,255,255,.9); text-align: center; }
.about-placeholder-mark { font-family: Georgia, "Songti SC", serif; font-size: clamp(70px, 10vw, 142px); }
.about-overlay { justify-content: flex-start; align-items: flex-start; padding: 26px; }
.about-overlay > span { font-family: Georgia, "Songti SC", serif; font-size: clamp(42px, 7vw, 86px); line-height: 1; }
.about-copy h2 { max-width: 12em; margin: 0; font-family: Georgia, "Songti SC", serif; font-size: clamp(38px, 4.5vw, 66px); font-weight: 500; line-height: 1.16; }
.about-copy > p:not(.section-number) { max-width: 550px; margin: 25px 0 0; color: #74736d; font-size: 15px; line-height: 1.95; white-space: pre-line; }
.about-copy a { display: inline-flex; align-items: center; gap: 50px; margin-top: 33px; padding-bottom: 7px; border-bottom: 1px solid var(--ink); font-size: 13px; font-weight: 800; text-decoration: none; }

.home-app-showcase {
  width: min(1400px, calc(100% - 72px));
  margin: 0 auto;
  padding: 120px 0 130px;
  border-top: 1px solid var(--line);
}
.showcase-heading { max-width: 640px; }
.showcase-heading h2 { max-width: 12em; margin: 0; font-family: Georgia, "Songti SC", serif; font-size: clamp(38px, 4.5vw, 66px); font-weight: 500; line-height: 1.16; }
.showcase-heading p:not(.section-number) { margin: 25px 0 0; color: #74736d; font-size: 15px; line-height: 1.95; }
.showcase-carousel { position: relative; display: grid; grid-template-columns: 48px minmax(0, 430px) 48px; justify-content: center; align-items: center; gap: 20px; margin-top: 58px; }
.showcase-frame { overflow: hidden; width: min(430px, 100%); border-radius: 18px; background: #fff; box-shadow: 0 18px 45px rgba(59, 45, 30, .12); }
.showcase-frame img { display: block; width: 100%; height: auto; }
.showcase-arrow { display: grid; width: 44px; height: 44px; place-items: center; padding: 0 0 5px; border: 1px solid var(--line); border-radius: 50%; background: rgba(255,255,255,.8); color: var(--ink); font-size: 34px; line-height: 1; cursor: pointer; }
.showcase-arrow:hover { background: var(--ink); color: #fff; }
.showcase-dots { position: absolute; right: 0; bottom: -34px; left: 0; display: flex; justify-content: center; gap: 8px; }
.showcase-dot { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: rgba(37,38,35,.22); cursor: pointer; }
.showcase-dot.active { background: var(--ink); transform: scale(1.25); }

.home-footer { display: flex; width: min(1400px, calc(100% - 72px)); min-height: 100px; align-items: center; justify-content: space-between; margin: 0 auto; border-top: 1px solid var(--line); color: #85847e; font-size: 11px; letter-spacing: .08em; }
.home-footer a { font-weight: 800; text-decoration: none; }
main, .home-footer { transition: opacity 180ms ease; }

@media (max-width: 900px) {
  .home-header, .home-hero, .home-about, .home-app-showcase, .home-footer { width: min(100% - 40px, 720px); }
  .home-hero { min-height: auto; grid-template-columns: 1fr; gap: 48px; padding: 65px 0 80px; }
  .hero-copy h1 { font-size: clamp(46px, 11vw, 70px); }
  .hero-visual { min-height: 620px; order: -1; border-radius: 160px 160px 18px 18px; }
  .home-about { grid-template-columns: 1fr; padding: 85px 0; }
  .home-app-showcase { padding: 85px 0 95px; }
  .showcase-carousel { grid-template-columns: 38px minmax(0, 430px) 38px; gap: 12px; margin-top: 42px; }
}

@media (max-width: 560px) {
  .home-header, .home-hero, .home-about, .home-app-showcase, .home-footer { width: calc(100% - 32px); }
  .home-header { min-height: 76px; }
  .home-brand { font-size: 14px; }
  .home-nav { gap: 10px; }
  .home-nav .nav-album { padding: 9px 13px; font-size: 11px; }
  .home-hero { padding: 35px 0 70px; }
  .hero-copy h1 { font-size: clamp(40px, 12.5vw, 58px); }
  .hero-visual { min-height: 470px; border-radius: 120px 120px 14px 14px; }
  .hero-actions { display: grid; }
  .hero-actions a { width: 100%; }
  .home-about { padding: 70px 0; }
  .home-app-showcase { padding: 70px 0 78px; }
  .showcase-carousel { grid-template-columns: 34px minmax(0, 1fr) 34px; gap: 8px; margin-top: 34px; }
  .showcase-arrow { width: 34px; height: 34px; font-size: 27px; }
  .about-image { min-height: 400px; }
  .home-footer { min-height: 90px; gap: 20px; }
}