:root {
  --paper: #f5f0e7;
  --paper-soft: #fbf8f2;
  --ink: #15211e;
  --ink-soft: #40504b;
  --muted: #6c7a75;
  --line: rgba(21, 33, 30, 0.13);
  --coral: #d95536;
  --coral-dark: #b63f24;
  --teal: #1f7a68;
  --teal-soft: #dceee7;
  --shadow: 0 24px 70px rgba(42, 48, 40, 0.14);
  --radius: 22px;
  --wrap: 1160px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 9% 4%, rgba(217, 85, 54, 0.09), transparent 34rem),
    radial-gradient(circle at 91% 26%, rgba(31, 122, 104, 0.1), transparent 31rem),
    var(--paper);
  font-family: "Segoe UI Variable", "Segoe UI", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; }

.skip {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
  transform: translateY(-160%);
}
.skip:focus { transform: none; }

.wrap {
  width: min(calc(100% - 48px), var(--wrap));
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid transparent;
  background: rgba(245, 240, 231, 0.82);
  backdrop-filter: blur(18px);
}
.topbar-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand img { border-radius: 8px; }
.brand b {
  margin-left: 2px;
  color: var(--muted);
  font-weight: 500;
}
.nav {
  display: flex;
  gap: 25px;
  margin-left: auto;
}
.nav a,
.footer nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
}
.nav a:hover,
.footer nav a:hover { color: var(--coral); }
.nav-cta {
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.45);
}
.nav-cta:hover { border-color: var(--ink); }

.hero {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: clamp(36px, 6vw, 80px);
  padding-block: clamp(64px, 9vw, 116px) 54px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 22px;
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(217, 85, 54, 0.12);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 28px;
  font-size: clamp(3.3rem, 6.5vw, 6.2rem);
  line-height: 0.99;
  letter-spacing: -0.068em;
  font-weight: 700;
}
h1 span,
h2 span { color: var(--coral); }
.lead {
  max-width: 34rem;
  margin-bottom: 31px;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 11px;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 650;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary {
  color: #fff;
  background: var(--coral);
  box-shadow: 0 11px 28px rgba(182, 63, 36, 0.22);
}
.btn.primary:hover { background: var(--coral-dark); }
.btn.ghost {
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
}
.btn.ghost:hover { border-color: var(--ink); background: #fff; }
.hero-note {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 0.79rem;
  letter-spacing: 0.02em;
}

.hero-visual {
  position: relative;
  padding: 18px 0 24px;
}
.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10.5;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 26px;
  background: #101815;
  box-shadow: var(--shadow);
  transform: rotate(1.1deg);
}
.video-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: inherit;
}
.video-badge {
  position: absolute;
  right: 17px;
  bottom: 15px;
  padding: 6px 9px;
  border-radius: 7px;
  color: rgba(255, 255, 255, 0.76);
  background: rgba(8, 15, 13, 0.56);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  backdrop-filter: blur(8px);
}
.float-card {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 13px;
  background: rgba(251, 248, 242, 0.9);
  box-shadow: 0 14px 34px rgba(31, 42, 38, 0.15);
  backdrop-filter: blur(13px);
  animation: float 6s ease-in-out infinite;
}
.float-card strong { display: block; font-size: 0.79rem; }
.float-card small { display: block; color: var(--muted); font-size: 0.65rem; }
.float-card-a { left: -22px; bottom: 5px; }
.float-card-b { right: -18px; top: 0; animation-delay: -2.4s; }
.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 7px rgba(217, 85, 54, 0.13);
}
.glyph { color: var(--teal); font-size: 1.5rem; line-height: 1; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.metrics div {
  padding: 27px 22px;
  border-right: 1px solid var(--line);
}
.metrics div:first-child { padding-left: 0; }
.metrics div:last-child { border-right: 0; }
.metrics strong {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.55rem);
  line-height: 1;
  letter-spacing: -0.05em;
}
.metrics span { color: var(--muted); font-size: 0.77rem; }

.section { padding-block: clamp(86px, 11vw, 144px) 0; }
.section-head {
  max-width: 700px;
  margin-bottom: 48px;
}
.section-head h2 {
  margin-bottom: 17px;
  font-size: clamp(2.3rem, 4.3vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.055em;
}
.section-head > p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.feature {
  min-height: 245px;
  padding: 29px 28px 27px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 248, 242, 0.36);
}
.feature .index {
  color: var(--coral);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.feature h3 {
  margin: 44px 0 10px;
  font-size: 1.16rem;
  letter-spacing: -0.02em;
}
.feature p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.89rem;
}
.feature a {
  display: inline-block;
  margin-top: 19px;
  color: var(--teal);
  font-size: 0.83rem;
  font-weight: 650;
  text-decoration: none;
}
.feature-accent { background: var(--teal-soft); }

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: end;
  gap: 7vw;
  margin-bottom: 45px;
}
.steps { display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 16px;
  padding: 17px 0;
  border-top: 1px solid var(--line);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step > span {
  color: var(--coral);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.step strong { font-size: 1rem; }
.step p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.83rem;
}

.shot {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-soft);
  box-shadow: 0 20px 50px rgba(42, 48, 40, 0.1);
}
.shot img { width: 100%; height: auto; }
.shot figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px 17px;
  border-top: 1px solid var(--line);
}
.shot figcaption span { font-size: 0.88rem; font-weight: 650; }
.shot figcaption small { color: var(--muted); font-size: 0.72rem; text-align: right; }
.shot-wide { transform: perspective(1400px) rotateX(1.5deg); }

.gallery {
  display: grid;
  grid-template-columns: 0.76fr 1.24fr;
  gap: 22px;
  align-items: stretch;
}
.gallery .shot { height: 100%; }
.gallery .shot img { height: 100%; object-fit: cover; object-position: top; }
.quote {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 330px;
  overflow: hidden;
  padding: clamp(30px, 4vw, 56px);
  border-radius: var(--radius);
  color: #f9f4ea;
  background:
    radial-gradient(circle at 82% 20%, rgba(217, 85, 54, 0.45), transparent 17rem),
    radial-gradient(circle at 14% 88%, rgba(31, 122, 104, 0.75), transparent 17rem),
    #15211e;
}
.quote p {
  position: relative;
  z-index: 1;
  margin-bottom: 22px;
  font-size: clamp(1.65rem, 3vw, 2.55rem);
  line-height: 1.25;
  letter-spacing: -0.045em;
}
.quote > span { color: rgba(255, 255, 255, 0.58); font-size: 0.78rem; }
.quote-lines {
  position: absolute;
  right: -30px;
  bottom: -50px;
  width: 230px;
  height: 230px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  box-shadow:
    0 0 0 28px rgba(255, 255, 255, 0.035),
    0 0 0 58px rgba(255, 255, 255, 0.025);
}

.open-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 55px;
  align-items: center;
  padding: clamp(34px, 5vw, 66px);
  border-radius: 28px;
  border: 1px solid var(--line);
  background: rgba(251, 248, 242, 0.65);
}
.open-card h2 {
  margin-bottom: 16px;
  font-size: clamp(2.1rem, 4vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -0.055em;
}
.open-card p:not(.eyebrow) {
  max-width: 31rem;
  color: var(--ink-soft);
}
.donate { text-align: center; }
.donate > p {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.78rem;
}
.qr-pair { display: flex; gap: 13px; }
.qr-pair figure {
  margin: 0;
  padding: 9px 9px 7px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 13px 30px rgba(42, 48, 40, 0.1);
}
.qr-pair img { width: 126px; height: 126px; }
.qr-pair figcaption {
  padding-top: 4px;
  color: var(--muted);
  font-size: 0.67rem;
}

.footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px 40px;
  align-items: center;
  margin-top: clamp(80px, 10vw, 130px);
  padding-block: 30px 42px;
  border-top: 1px solid var(--line);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.88rem;
  font-weight: 650;
}
.footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 21px;
}
.footer > p {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
}

/* Content stays visible without JavaScript; the small motions live inside the hero instead. */
.reveal { opacity: 1; }

@media (max-width: 900px) {
  .nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 54px; }
  .hero-copy { max-width: 680px; }
  .hero-visual { max-width: 680px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics div:nth-child(2) { border-right: 0; }
  .metrics div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 12px; }
  .gallery { grid-template-columns: 1fr; }
  .gallery .shot img { height: auto; }
  .open-card { grid-template-columns: 1fr; }
  .donate { text-align: left; }
}

@media (max-width: 620px) {
  .wrap { width: min(calc(100% - 30px), var(--wrap)); }
  .topbar-inner { min-height: 60px; }
  .brand b { display: none; }
  .nav-cta { margin-left: auto; }
  h1 { font-size: clamp(2.9rem, 14vw, 4.2rem); }
  .float-card { display: none; }
  .metrics div { padding: 22px 14px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature { min-height: auto; }
  .feature h3 { margin-top: 28px; }
  .shot figcaption { display: block; }
  .shot figcaption small { display: block; margin-top: 3px; text-align: left; }
  .qr-pair img { width: 112px; height: 112px; }
  .footer { grid-template-columns: 1fr; }
  .footer nav { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}